Summary of the invention
The object of the present invention is to provide a kind of can environmentally the modularization water-cooled cabinet of variations in temperature or outside water-cooled electronic equipment operating condition change tread adjustment heat exchange refrigeration unit semiconductor chilling plate operating current, fan assembly operating voltage and noise redundancy control method thereof.
The technical solution realizing the object of the invention is: a kind of modularization water-cooled cabinet, comprise cabinet, indicative control unit, water supply tank, heat exchange refrigeration unit, pressure conversion unit, damper, accident warning device, environment temperature sensor and outside water-cooled electronic equipment, wherein indicative control unit comprises information acquisition module, message processing module, display and operation module and state indicator module; Described information acquisition module, message processing module, display and operation module, water supply tank, state indicator module are all arranged at water-cooled cabinet top, accident warning device, environment temperature sensor are arranged at bottom water-cooled cabinet, and bottom of cabinet bulk corner respectively arranges a damper; Heat exchange refrigeration unit, between pressure conversion unit and outside water-cooled electronic equipment cooling water by being with plane self-locking liquid stream fitting passage communication loop, information acquisition module is connected with heat exchange refrigeration unit, pressure conversion unit respectively by the cable of band aviation plug, information acquisition module access information processing module, display and operation module is connected with message processing module respectively by USB interface, RS422 interface, and display and operation module is connected with information acquisition module by cpci bus;
When described water-cooled cabinet works in constant flow mode, the cooling water of outside water-cooled electronic equipment is connected to heat exchange refrigeration unit by fluid flow tube road, heat exchange refrigeration unit is by heating sink in air with Forced Air Convection heat exchange, and the cooling water after temperature reduces is back to outside water-cooled electronic equipment and recycles through fluid flow tube road; When water-cooled cabinet is with the configurable mode of pressure or hybrid mode work, be communicated to pressure conversion unit from heat exchange refrigeration unit cooling water out through water-cooled cabinet internal duct, pressure conversion unit is back to outside water-cooled electronic equipment through fluid flow tube road after regulating cooling water discharge pressure and recycles.
Based on a noise redundancy control method for modularization water-cooled cabinet, comprise the following steps:
Step 1: described modularization water-cooled cabinet is initialized;
Step 2: information acquisition module gathers the ambient temperature value of water-cooled cabinet, outside water-cooled electronic equipment temperature value, pressure conversion unit delivery port force value and heat exchange refrigeration unit water inlet temperature value, outlet temperature value;
Step 3: message processing module judges whether water-cooled cabinet ambient temperature value exceedes setting threshold range, is no more than maintenance semiconductor chilling plate benchmark job electric current when setting threshold range, the work of fan assembly reference voltage is constant; When exceeding setting upper threshold limit, after message processing module process, increase semiconductor chilling plate benchmark job electric current, fan assembly benchmark job voltage; When exceeding setting lower threshold limit, after message processing module process, reduce fan assembly benchmark job voltage, semiconductor chilling plate benchmark job electric current;
Step 4: message processing module judges whether heat exchange refrigeration unit delivery port coolant water temperature angle value exceeds preset temperature threshold range, when being no more than preset temperature threshold range, keep semiconductor chilling plate operating current, fan assembly operating voltage of floating of floating constant, directly go to step 8; When exceeding preset temperature lower threshold limit, keeping the semiconductor chilling plate operating current that floats constant, according to the temperature approach of delivery port coolant water temperature angle value and preset temperature threshold value, after message processing module process, reducing fan assembly to float operating voltage; When exceeding preset temperature upper threshold limit, keeping fan assembly operating voltage of floating constant, according to the temperature approach of delivery port coolant water temperature angle value and preset temperature threshold value, after message processing module process, increasing semiconductor chilling plate to float operating current;
Step 5: float operating voltage or semiconductor chilling plate of adjustment fan assembly floats after operating current, message processing module judges whether heat exchange refrigeration unit delivery port coolant water temperature angle value exceeds preset temperature threshold range, when being no more than preset temperature threshold range, after keeping adjustment, semiconductor chilling plate efforts electric current, fan assembly operating voltage of floating of floating is constant, directly goes to step 8; When exceeding preset temperature lower threshold limit, keep the fan assembly operating voltage of floating after adjustment constant, according to the temperature approach of delivery port coolant water temperature angle value and preset temperature threshold value, after message processing module process, reduce semiconductor chilling plate to float operating current; When exceeding preset temperature upper threshold limit, after keeping adjustment, the semiconductor chilling plate operating current that floats is constant, according to the temperature approach of delivery port coolant water temperature angle value and preset temperature threshold value, increases fan assembly and float operating voltage after message processing module process;
Step 6: float operating voltage or semiconductor chilling plate of adjustment fan assembly floats after operating current, message processing module judges whether heat exchange refrigeration unit delivery port coolant water temperature angle value exceeds preset temperature threshold range, when being no more than preset temperature threshold range, after keeping adjustment, float operating current, fan assembly floating voltage of semiconductor chilling plate is constant, directly goes to step 8; When delivery port coolant water temperature angle value exceedes preset temperature lower threshold limit or in limited time upper, circulation performs step 4 ~ 5, until semiconductor chilling plate operating current, fan assembly operating voltage all exceed setting bottom threshold or the upper limit;
Step 7: message processing module judges whether heat exchange refrigeration unit delivery port coolant water temperature angle value exceeds preset temperature threshold range, when outlet coolant water temperature angle value is higher than preset temperature upper threshold limit and semiconductor chilling plate operating current, fan assembly operating voltage is all prescribed a time limit higher than in preset threshold range, keep semiconductor chilling plate electric current, fan assembly operating voltage is to preset threshold range upper limit operation, to accident warning device, display and operation module sends fault status information, state indicator module corresponding heat exchange refrigeration unit status indicator lamp becomes red alarm state, when delivery port coolant water temperature angle value exceedes preset temperature lower threshold limit and semiconductor chilling plate electric current, fan assembly operating voltage all to exceed under preset threshold range in limited time, keep semiconductor chilling plate electric current, fan assembly operating voltage to preset threshold range lower limit operation, send fault status information to accident warning device, display and operation module,
Step 8: message processing module judges whether main constant displacement pump flow value exceeds preset threshold range, when flow value exceeds preset threshold range, send heat exchange refrigeration unit constant displacement pump job failure signal to display and operation module, accident warning device, send switching signal to control signal modular converter, after the conversion of control signal modular converter, switch main constant displacement pump switching solenoid valve, constant displacement pump switching solenoid valve duty for subsequent use, change the status indicator lamp of state indicator module corresponding heat exchange refrigeration unit constant displacement pump for flicker alert state or red alarm state;
Step 9: message processing module judges whether pressure conversion unit delivery port force value exceeds preset threshold range, when delivery port force value exceeds preset threshold range, send pressure conversion unit corresponding pressure control valve fault-signal to display and operation module, accident warning device, changing state indicator module relevant pressure converting unit corresponding pressure control valve status indicator lamp is red alarm state.
The present invention compared with prior art, its remarkable advantage is: (1) passes through indicative control unit, water-cooled cabinet can detect constant displacement pump in real time, semiconductor chilling plate, fan assembly, the duty of pressure-regulating valve, according to external electronic device operation conditions change or variation of ambient temperature with redundant fashion dynamic conditioning semiconductor chilling plate efforts electric current, fan assembly operating voltage, the main constant displacement pump of online switching, the duty of constant displacement pump for subsequent use, water-cooled cabinet delivery port cooling water temperature can realize ± 0.5 DEG C of control accuracy, achieve water-cooled cabinet reliably working under comparatively low noise, the electric energy loss of about 10% ~ 25% can be decreased, (2) by regulating the dynamic redundancy of heat exchange refrigeration unit semiconductor chilling plate operating current, fan assembly operating voltage, effectively water-cooled cabinet noise is controlled, high-power under adverse circumstances can be met, Variable power electronic equipment dissipating heat demand, (3) environmentally variations in temperature or outside water-cooled electronic equipment operating condition change tread adjust heat exchange refrigeration unit semiconductor chilling plate operating current, fan assembly operating voltage, water-cooled cabinet adopts coupling operating mode to run automatically, reach well energy-conservation and muting function, with the electronic equipment dissipating heat requirement fully meeting the larger high-power electronic device of working conditions change under adverse circumstances or work in the environment that difference variation is larger, and have that structure is simple, reliability is high, maintainability is good, can the advantage such as spot replace.
Detailed description of the invention
Modular water cold group of the present invention becomes schematic diagram as shown in Figure 1, comprise cabinet 1, indicative control unit 2, water supply tank 6, heat exchange refrigeration unit 8, pressure conversion unit 9, damper 10, accident warning device 11, environment temperature sensor 12 and outside water-cooled electronic equipment 13, wherein indicative control unit 2 comprises information acquisition module 3, message processing module 4, display and operation module 5 and state indicator module 7; Described information acquisition module 3, message processing module 4, display and operation module 5, water supply tank 6, state indicator module 7 are all arranged at water-cooled cabinet top, accident warning device 11, environment temperature sensor 12 are arranged at bottom water-cooled cabinet, and bottom cabinet 1, corner respectively arranges a damper 10; Heat exchange refrigeration unit 8, between pressure conversion unit 9 and outside water-cooled electronic equipment 13 cooling water by being with plane self-locking liquid stream fitting passage communication loop, information acquisition module 3 is connected with heat exchange refrigeration unit 8, pressure conversion unit 9 respectively by the cable of band aviation plug, information acquisition module 3 access information processing module 4, display and operation module 5 is connected with message processing module 4 respectively by USB interface, RS422 interface, and display and operation module 5 is connected with information acquisition module 3 by cpci bus;
When described water-cooled cabinet works in constant flow mode, the cooling water of outside water-cooled electronic equipment 13 is connected to heat exchange refrigeration unit 8 by fluid flow tube road 14, heat exchange refrigeration unit 8 is by heating sink in air with Forced Air Convection heat exchange, and the cooling water after temperature reduces is back to outside water-cooled electronic equipment 13 and recycles through fluid flow tube road 14; When water-cooled cabinet is with the configurable mode of pressure or hybrid mode work, be communicated to pressure conversion unit 9 from heat exchange refrigeration unit 8 cooling water out through water-cooled cabinet internal duct, be back to outside water-cooled electronic equipment 13 through fluid flow tube road 14 after pressure conversion unit 9 pairs of cooling water discharge pressures regulate and recycle.
Described display and operation module 5 pairs of heat exchange refrigeration units 8, the different operating state of pressure conversion unit 9, fault message show, and state indicator module 7 is according to heat exchange refrigeration unit 8 and the duty of pressure conversion unit 9, the color of fault message switching corresponding states indicator lamp.Cabinet 1 adopts ZL102 aluminium alloy to cast and forms, and 4 resonance free GWF-50 type dampers 10 are installed in bottom, can realize long-time reliably working in strong vibration environment.Display and operation module 4 adopts 12.1 inches of LB121S03-TL01 high brightness touching liquid-crystal display screens.
Described heat exchange refrigeration unit 8 operation principle schematic diagram as shown in Figure 2, heat exchange refrigeration unit 8 comprises the first water inlet self-locking liquid stream joint 15, water inlet temperature sensor 16, radiating subassembly 17, main constant displacement pump switching solenoid valve 18, constant displacement pump switching solenoid valve 19 for subsequent use, redundancy pump assembly 20, main constant displacement pump 21, constant displacement pump 22 for subsequent use, flow sensor 23, control signal modular converter 24, first power module 25, wizard-like overflow valve 26, first power-supply filter 27, outlet temperature sensor 28, first delivery port self-locking liquid stream joint 29, aviation socket 30, delivery port pressure sensor 40, second delivery port self-locking liquid stream joint 41,
Wherein main constant displacement pump 21, constant displacement pump for subsequent use 22 adopt twayblade gear pump HTP-212HA, are connected in primary path with redundancy structure, and main constant displacement pump 21 works under normal circumstances, and constant displacement pump 22 for subsequent use is standby; Main constant displacement pump switching solenoid valve 18 is connected with main constant displacement pump 21, constant displacement pump switching solenoid valve 19 for subsequent use is connected with constant displacement pump 22 for subsequent use, when main constant displacement pump 21 breaks down situation, canbe used on line switches main constant displacement pump 21, constant displacement pump for subsequent use 22, to improve heat exchange refrigeration unit 7 functional reliability; First water inlet self-locking liquid stream joint 15 and the first delivery port self-locking liquid stream joint 29 all adopt TSA-8Z05 plane self-locking liquid stream joint, be communicated with outside water-cooled electronic equipment 13 by fluid flow tube road 14, control signal modular converter 24 is connected with message processing module 4 by YMC water proof type bayonet type aviation socket 30, communication cable successively, switching on and off of realizing circuit, flow channel, convenient for maintaining and spot replace; Water inlet temperature sensor 16 is arranged at the first water inlet self-locking liquid stream joint 15 rear end, outlet temperature sensor 28 is arranged at the first delivery port self-locking liquid stream joint 29 front end, be conducive to the precision ensureing collecting temperature data, thus realize controlling more accurately semiconductor chilling plate 31 electric current and fan assembly 34 voltage, effectively ensure the stability that outside water-cooled electronic equipment 13 works.
Described radiating subassembly 17 forms schematic diagram as shown in Figure 3, comprise semiconductor chilling plate 31, water cooling heat exchanger 32, fin 33, fan assembly 34, wherein fin 33 adopts precision aluminium-alloy casting, be of a size of (length × wide x is high) 240 × 65x35mm, substrate thickness 4mm, fin 33 is divided into 2, be arranged at the upper of water cooling heat exchanger 32 respectively, lower both sides, semiconductor chilling plate 31 is respectively arranged with between fin 33 and water cooling heat exchanger 32, between fin 33 and semiconductor chilling plate 31, all screw fastening is passed through between semiconductor chilling plate 31 and water cooling heat exchanger 32, thermally-conductive interface gap-fill high thermal conductivity coefficient heat-conducting glue SE4420, to reduce water cooling heat exchanger 32 to semiconductor chilling plate 31, the equivalent thermal-conduction resistance of semiconductor chilling plate 31 to fin 33, fan assembly 32 adopts 2 groups of 10 DC12 to lie prostrate 8412NGMV type blower fan, semiconductor chilling plate 31 adopts 2 groups of 8 PCR-12708 semiconductor chilling plates, water cooling heat exchanger 32 adopts FZ450R12ME type aluminium alloy cooled plate, information acquisition module 3 gathers the temperature value of environment temperature sensor 12 or outside water-cooled electronic equipment temperature sensor 42, through the digital pid control algolithm of message processing module 4 according to the temperature difference △ T of delivery port coolant water temperature angle value and set temperature value1after calculating, transmit control signal to control signal modular converter 24, semiconductor chilling plate 31 electric current, fan assembly 34 voltage are controlled in real time, ensure water-cooled cabinet reliably working under comparatively low noise level.Control signal modular converter 24 is analog signal amplifying device, and the control signal according to message processing module 4 adjusts semiconductor chilling plate 31 operating current, fan assembly 34 operating voltage and main constant displacement pump switching solenoid valve 18, constant displacement pump switching solenoid valve 19 on off state for subsequent use after amplifying.
When water-cooled cabinet works in constant flow mode, the cooling water of outside water-cooled electronic equipment 13 is connected to the first water inlet self-locking liquid stream joint 15 of heat exchange refrigeration unit 8 by fluid flow tube road 14, with water cooling heat exchanger 31 heat convection under main constant displacement pump 21 drives, heat is through semiconductor chilling plate 32, fin conductive 33, last by fan assembly 34 by heating sink in air with Forced Air Convection heat exchange, the cooling water after temperature reduces is back to outside water-cooled electronic equipment 13 recycles through the first delivery port self-locking liquid stream joint 29, fluid flow tube road 14; When water-cooled cabinet is with the configurable mode of pressure or hybrid mode work, being communicated to pressure conversion unit 9 second water inlet self-locking liquid stream joint 15 from exchanging refrigeration unit 8 first delivery port self-locking liquid stream joint 29 cooling water out through water-cooled cabinet internal duct, being back to outside water-cooled electronic equipment 13 recycling through the second delivery port self-locking liquid stream joint 41, fluid flow tube road 14 after pressure-regulating valve 38 pairs of cooling water discharge pressures regulate.
Temperature value in information acquisition module 3 Real-time Collection heat exchange refrigeration unit 8, flow value and rack 1 operating ambient temperature value, outside water-cooled electronic equipment 13 temperature value, the environmentally water inlet coolant water temperature angle value of range of temperature and the outside water-cooled electronic equipment 13 operating condition change of reaction, under the prerequisite controlling water-cooled cabinet noise and the temperature rise of outside water-cooled electronic equipment 13, after the pid control algorithm of message processing module 4 calculates according to the temperature approach of set temperature value and delivery port coolant water temperature angle value, output a control signal in heat exchange refrigeration unit 8 and control signal conversion module 24, dynamically to increase semiconductor chilling plate 31 electric current, fan assembly 34 voltage or dynamically reduction fan assembly 34 voltage, the Redundant Control mode of semiconductor chilling plate 31 electric current, control water-cooled cabinet noise, when breaking down, output alarm signal is reported to the police to accident warning device 11.
In water-cooled cabinet heat exchange refrigeration unit 8 all with constant flow mode be single or multiple water-cooled electronic equipment 13 dispel the heat time, operation principle is as follows as shown in Figure 4: the cooling water of outside water-cooled electronic equipment 13 is connected to the first water inlet self-locking liquid stream joint 15 of heat exchange refrigeration unit 8 by fluid flow tube road 14, cooling fluid is the inner snakelike smooth fluid course four peripheral wall surfaces forced-convection heat transfer with FZ450R12ME type aluminium alloy water cooling heat exchanger 32 under HTP-212HA twayblade gear main constant displacement pump 21 drives, via semiconductor chilling plate 31, after the radiating subassembly 17 that fin 33 and fan assembly 34 form dispels the heat, temperature reduces, by the first delivery port self-locking liquid stream joint 29, fluid flow tube road 14 is back to outside water-cooled electronic equipment 13 and recycles.Information acquisition module 3 gathers outside water-cooled electronic equipment temperature sensor 42, environment temperature sensor 12, water inlet temperature sensor 16, outlet temperature sensor 28, the temperature of sensor such as flow sensor 23 grade, flow signal, carry information processing module 4 judges mouth of a river coolant water temperature angle value, constant displacement pump flow value whether in setting threshold range and variation of ambient temperature amplitude whether exceed design temperature threshold range 1.5, DEG C keep or dynamic conditioning heat exchange refrigeration unit 8 semiconductor chilling plate 31 operating current, fan assembly 34 operating voltage and main constant displacement pump switching solenoid valve 18 switch, state indicator module 7 corresponding heat exchange refrigeration unit 8 status indicator lamp state, accident warning device 11 state.
When water-cooled cabinet is single or multiple water-cooled electronic equipment dissipating heat, when water-cooled cabinet works in constant flow mode, fundamental diagram is as shown in Figure 5: outside water-cooled electronic equipment 13 is connected to heat exchange refrigeration unit 8 first water inlet self-locking liquid stream joint 15 by fluid flow tube road 14, cooling water is the inner snakelike smooth fluid course four peripheral wall surfaces forced-convection heat transfer with FZ450R12ME type aluminium alloy water cooling heat exchanger 32 under main constant displacement pump 21 drives, through semiconductor chilling plate 31, after the radiating subassembly 17 that fin 33 and fan assembly 34 form dispels the heat, temperature reduces, cooling water after temperature reduces is by the first delivery port self-locking liquid stream joint 29, fluid flow tube road 14 is back to outside water-cooled electronic equipment 13 and recycles.
When water-cooled cabinet is single or multiple water-cooled electronic equipment dissipating heat, when water-cooled cabinet works in the configurable mode of pressure, fundamental diagram is as shown in Figure 6: outside water-cooled electronic equipment 13 is connected to the first water inlet self-locking liquid stream joint 15 of heat exchange refrigeration unit 8 by fluid flow tube road 14, cooling water is the inner snakelike smooth fluid course four peripheral wall surfaces forced-convection heat transfer with FZ450R12ME type aluminium alloy water cooling heat exchanger 32 under main constant displacement pump 21 drives, and after the radiating subassembly 17 of semiconductor chilling plate 31, fin 33 and fan assembly 34 composition dispels the heat, temperature reduces.Cooling water after temperature reduces enters into the second water inlet self-locking liquid stream joint 35 of pressure conversion unit 9 by the first delivery port self-locking liquid stream joint 29, band plane self-locking liquid stream joint internal liquid pipeline, after pressure-regulating valve 38 pairs of cooling water pressures adjustment through going out the second delivery port self-locking liquid stream joint 41, fluid flow tube road 14 is back to outside water-cooled electronic equipment 13 and recycles.
Information acquisition module 3 gathers outside water-cooled electronic equipment temperature sensor 42, environment temperature sensor 12, water inlet temperature sensor 16, outlet temperature sensor 28, flow sensor 23, the temperature of delivery port pressure sensor 40, flow, force value after analog-to-digital conversion, message processing module 4 according to the flow gathered, force value whether exceeds threshold range and whether variation of ambient temperature amplitude exceeds design temperature threshold value ± 1.5 DEG C scope, according to the temperature approach △ T of delivery port design temperature and delivery port cooling water temperature1transmit control signal to control signal modular converter 24 after digital pid control algolithm calculates, keep or dynamic conditioning semiconductor chilling plate 31 electric current, fan assembly 34 voltage, main constant displacement pump switching solenoid valve 18 switch, state indicator module 7 status indicator lamp state, accident warning device 11 state.
Preferably, water-cooled cabinet comprises the environment temperature sensor 12 of multiple different size or diverse location, lost efficacy while can preventing same specification temp probe from causing, also the error magnification phenomena that the measurement of same size temp probe causes can effectively be avoided, make the measurement of environment temperature more accurate, thus realize more accurate temperature control.
In a further embodiment, as shown in Figure 7, message processing module 4 comprises the outside water-cooled electronic equipment temperature sensor 42 that acquisition module 3 of receiving information gathers, environment temperature sensor 12, water inlet temperature sensor 16, outlet temperature sensor 28, flow sensor 23, water inlet pressure sensor 36, the temperature of delivery port pressure sensor 40, flow, pressure signal also carries out judging that the temperature/pressure/flow judge module 4-1 of process and employing digital pid control algolithm calculating semiconductor chilling plate 31 adjust operating current, fan assembly 34 adjusts the temperature/pressure/flow rate calculation module 4-2 of operating voltage, this temperature/pressure/flow rate calculation module 4-2 adopts software mode to realize, also hardware mode can be adopted to realize.In a further embodiment, temperature/pressure/flow control signal module can be increased at message processing module 4 and digital-to-analogue conversion is carried out to the electric current of temperature/pressure/flow rate calculation module 4-2, magnitude of voltage, remove the control signal modular converter 24 of heat exchange refrigeration unit 8, reduce control hysteresis phenomenon, improve control accuracy.
Whether temperature/pressure/flow judge module 4-1 exceeds preset threshold range for outside water-cooled electronic equipment 13 temperature sensor 42, environment temperature sensor 12, water inlet temperature sensor 16, outlet temperature sensor 28, flow sensor 23, delivery port pressure sensor more than 40 temperature, flow, the force value judging information acquisition module 4 and gather.Preset temperature threshold value, preset pressure threshold range can set as required in cabinet system, temperature value, flow value, force value upper and lower bound that sensors such as can showing external equipment temperature sensor 42, environment temperature sensor 12, water inlet temperature sensor 16, outlet temperature sensor 28, flow sensor 23, delivery port pressure sensor 40 can detect in normal operation can be comprised, and adjust the environment temperature threshold range of semiconductor chilling plate 31 reference current, fan assembly 34 reference voltage.
Temperature/pressure/flow rate calculation module 4-2, for when delivery port coolant water temperature angle value exceeds preset threshold range, according to the temperature approach △ T of delivery port design temperature and delivery port cooling water temperature1, after adopting digital pid control algolithm to calculate, dynamically increase or reduce semiconductor chilling plate 31 operating current, fan assembly 34 operating voltage.
All by being connected with the pipeline of TSA type plane fast self-locking liquid stream joint between described heat exchange refrigeration unit 8, pressure conversion unit 9 and with outside liquid cooling pipeline 14, outside water-cooled electronic equipment 13, heat exchange refrigeration unit 8 is changed under can realizing open state, improve the reliability of cabinet system, facilitate system maintenance.Simultaneously, because temperature sensor detects the temperature value of heat exchange refrigeration unit 8 water inlet and delivery port position simultaneously, more can ensure the precision of collecting temperature data, thus realize controlling more accurately semiconductor chilling plate 31 operating current and fan assembly 34 operating voltage, effectively ensure the validity and reliability that outside water-cooled electronic equipment 13 is cooled.
It should be noted that, water-cooled cabinet of the present invention is except comprising each several part in foregoing embodiments, and also can comprise all the other necessarieses, no further details to be given herein.Set temperature sensor number, except such as shown in Fig. 5, Fig. 6, Fig. 7, i.e. 2 road environment temperature sensors, 2 road intake-outlet temperature sensors, No. 1 flow sensor, No. 4 pressure sensors, for controlling progress and watch-dog duty needs, dissimilar sensor can be greater than any number of 2, no longer illustrates with accompanying drawing at this.
On the basis of above water-cooled cabinet, present invention also offers a kind of redundancy temperature control method of water-cooled cabinet, comprise a kind of initial method of water-cooled cabinet, concrete steps are as follows:
Step 1: described modularization water-cooled cabinet is initialized;
Steps A 1: determine the duty of heat exchange refrigeration unit 8, mode of operation;
Steps A 2: information acquisition module 3 gathers water inlet temperature value, outlet temperature value, the delivery port flow value of ambient temperature value, outside water-cooled electronic equipment 13 temperature value, pressure conversion unit 9 force value and heat exchange refrigeration unit 8 respectively;
Steps A 3: message processing module 4 judges whether water-cooled cabinet ambient temperature value exceedes setting threshold range, keeps semiconductor chilling plate 31 benchmark job electric current, fan assembly 34 benchmark job voltage constant when being no more than setting threshold range; When exceeding setting upper threshold limit, after message processing module 4 processes, increase semiconductor chilling plate 31 benchmark job electric current, fan assembly 34 benchmark job voltage; When exceeding setting lower threshold limit, reduce fan assembly 34 benchmark job voltage, semiconductor chilling plate 31 benchmark job electric current;
Steps A 4: message processing module 4 judges whether temperature value, flow value, force value exceed preset threshold range, judge that whether constant displacement pump in each heat exchange refrigeration unit 8, radiating subassembly 17 duty and pressure conversion unit 9 pressure-regulating valve 38 duty be normal, when all not exceeding predetermined threshold value, send state normal information to display and operation module 5, state indicator module 7 status indicator lamp becomes green normal condition; When temperature value, flow value, force value exceed predetermined threshold value, send to display and operation module 5 and report to the police or information fault, state indicator module 7 indicator lamp becomes flicker alarm condition or red-fault state.
Step 2: information acquisition module 3 gathers the ambient temperature value of water-cooled cabinet, outside water-cooled electronic equipment 13 temperature value, pressure conversion unit 9 delivery port force value and heat exchange refrigeration unit 8 water inlet temperature value, outlet temperature value;
Step 3: message processing module 4 judges whether water-cooled cabinet ambient temperature value exceedes setting threshold range, is no more than maintenance semiconductor chilling plate 31 benchmark job electric current when setting threshold range, the work of fan assembly 34 reference voltage is constant; When exceeding setting upper threshold limit, after message processing module 4 processes, increase semiconductor chilling plate 31 benchmark job electric current, fan assembly 34 benchmark job voltage; When exceeding setting lower threshold limit, after message processing module 4 processes, reduce fan assembly 34 benchmark job voltage, semiconductor chilling plate 31 benchmark job electric current;
Step 4: message processing module 4 judges whether heat exchange refrigeration unit 8 delivery port coolant water temperature angle value exceeds preset temperature threshold range, when being no more than preset temperature threshold range, keep semiconductor chilling plate 31 operating current, fan assembly 34 operating voltage of floating of floating constant, directly go to step 8; When exceeding preset temperature lower threshold limit, keeping semiconductor chilling plate 31 operating current that floats constant, according to the temperature approach of delivery port coolant water temperature angle value with preset temperature threshold value, after message processing module 4 process, reducing fan assembly 34 to float operating voltage; When exceeding preset temperature upper threshold limit, keeping fan assembly 34 operating voltage of floating constant, according to the temperature approach of delivery port coolant water temperature angle value with preset temperature threshold value, after message processing module 4 process, increasing semiconductor chilling plate 31 to float operating current;
Step 5: float operating voltage or semiconductor chilling plate 31 of adjustment fan assembly 34 floats after operating current, message processing module 4 judges whether heat exchange refrigeration unit 8 delivery port coolant water temperature angle value exceeds preset temperature threshold range, when being no more than preset temperature threshold range, after keeping adjustment, semiconductor chilling plate 31 efforts electric current, fan assembly 34 operating voltage of floating of floating is constant, directly goes to step 8; When exceeding preset temperature lower threshold limit, keep fan assembly 34 operating voltage of floating after adjustment constant, according to the temperature approach of delivery port coolant water temperature angle value and preset temperature threshold value, after message processing module 4 processes, reduce semiconductor chilling plate 31 to float operating current; When exceeding preset temperature upper threshold limit, after keeping adjustment, semiconductor chilling plate 31 operating current that floats is constant, according to the temperature approach of delivery port coolant water temperature angle value and preset temperature threshold value, after message processing module 4 processes, increase fan assembly 34 to float operating voltage;
Step 6: float operating voltage or semiconductor chilling plate 31 of adjustment fan assembly 34 floats after operating current, message processing module 4 judges whether heat exchange refrigeration unit 8 delivery port coolant water temperature angle value exceeds preset temperature threshold range, when being no more than preset temperature threshold range, after keeping adjustment, float operating current, fan assembly 34 floating voltage of semiconductor chilling plate 31 is constant, directly goes to step 8; When delivery port coolant water temperature angle value exceedes preset temperature lower threshold limit or in limited time upper, circulation performs step 4 ~ 5, until semiconductor chilling plate 31 operating current, fan assembly 34 operating voltage all exceed setting bottom threshold or the upper limit;
Step 7: message processing module 4 judges whether heat exchange refrigeration unit 8 delivery port coolant water temperature angle value exceeds preset temperature threshold range, when outlet coolant water temperature angle value is higher than preset temperature upper threshold limit and semiconductor chilling plate 31 operating current, fan assembly 34 operating voltage is all prescribed a time limit higher than in preset threshold range, keep semiconductor chilling plate 31 electric current, fan assembly 34 operating voltage is to preset threshold range upper limit operation, to accident warning device 11, display and operation module 5 sends fault status information, state indicator module 7 corresponding heat exchange refrigeration unit 8 status indicator lamp becomes red alarm state, when delivery port coolant water temperature angle value exceedes preset temperature lower threshold limit and semiconductor chilling plate 31 electric current, fan assembly 34 operating voltage all to exceed under preset threshold range in limited time, keep semiconductor chilling plate 31 electric current, fan assembly 34 operating voltage to preset threshold range lower limit operation, send fault status information to accident warning device 11, display and operation module 5,
Step 8: message processing module 4 judges whether main constant displacement pump 21 flow value exceeds preset threshold range, when flow value exceeds preset threshold range, send heat exchange refrigeration unit 8 constant displacement pump job failure signal to display and operation module 5, accident warning device 11, send switching signal to control signal modular converter 24, main constant displacement pump switching solenoid valve 18 is switched after control signal modular converter 24 is changed, constant displacement pump switching solenoid valve 19 duty for subsequent use, change the status indicator lamp of state indicator module 7 corresponding heat exchange refrigeration unit 8 constant displacement pump for flicker alert state or red alarm state,
Step 9: message processing module 4 judges whether pressure conversion unit 9 delivery port force value exceeds preset threshold range, when delivery port force value exceeds preset threshold range, send pressure conversion unit 9 corresponding pressure control valve fault-signal to display and operation module 5, accident warning device 11, changing state indicator module 7 relevant pressure converting unit 9 corresponding pressure control valve status indicator lamp is red alarm state.
Detail flowchart refers to Fig. 8 ~ 9, and the method shown in Fig. 8 starts from step S101:
In step s 102, information acquisition module 3, by reading heat exchange refrigeration unit 8 mode switch state, after message processing module 4 judges, determines whether each heat exchange refrigeration unit 8 works and corresponding mode of operation.
In step s 103, information acquisition module 3 gathers the pressure signal of cabinet 1 interior environment temperature signal, the temperature of heat exchange refrigeration unit 8, flow signal or pressure conversion unit 9, compare after each temperature, flow, pressure signal analog-to-digital conversion with corresponding predetermined threshold value, judge whether to exceed preset threshold range and whether working sensor is normal, wherein predetermined threshold value can set as required in cabinet system, can comprise the upper and lower bound that can show that temperature, flow, pressure sensor can detect in normal operation.
In step S104, judge preset temperature threshold range ± 1.5 whether described water-cooled cabinet 1 ambient temperature value exceeds 27 DEG C further, DEG C comprise two steps, be respectively:
In step S105, if judge that ambient temperature value is within DEG C scope of preset temperature threshold value ± 1.5, namely ambient temperature value is when 25.5-28.5 DEG C of scope, maintains existing semiconductor chilling plate 31 reference current, fan assembly 34 reference voltage is constant;
In step s 106, if ambient temperature value exceeds preset temperature threshold range, the temperature approach △ T of message processing module 4 environmentally temperature value and design temperature threshold value1after digital pid control algolithm calculates, on setting benchmark job electric current, benchmark job voltage basis, adjust semiconductor chilling plate 31 benchmark job electric current, fan assembly 34 benchmark job magnitude of voltage, and be set as the benchmark job electric current that semiconductor chilling plate 31 is new, the benchmark job magnitude of voltage that fan assembly 34 is new.
Judge whether temperature, the flow value of heat exchange refrigeration unit 8 exceed preset flow threshold range in step s 107 further;
In step S108, judge that heat exchange refrigeration unit 8 flow value exceeds preset flow threshold range further, comprise three steps, be respectively:
If judge the not super preset flow threshold range of main constant displacement pump 21 flow value in heat exchange refrigeration unit 8, in step S109, keep main constant displacement pump switching solenoid valve 18, constant displacement pump switching solenoid valve 19 state control signal for subsequent use constant, arranging main constant displacement pump 21 is in step s 110 duty, in step S111, send corresponding main constant displacement pump 21 state normal information to display and operation module 5, in state indicator module 7, redundancy pump assembly 20 status indicator lamp of corresponding heat exchange refrigeration unit 8 becomes green state;
If judge that in heat exchange refrigeration unit 8, main constant displacement pump 21 flow value exceeds preset flow threshold range, main constant displacement pump switching solenoid valve 18, constant displacement pump switching solenoid valve 19 state control signal for subsequent use is switched in step S112, cut-in stand-by constant displacement pump 22 to duty in step S213, in step S114, send main constant displacement pump 21 fault message to display and operation module 5, in transition state indicating module 7, corresponding heat exchange refrigeration unit 8 redundancy pump assembly 20 status indicator lamp is to alert state of glimmering.
After cut-in stand-by constant displacement pump 22 to duty, judge through step S115, if heat exchange refrigeration unit 8 flow value still exceeds normality threshold scope, export this heat exchange refrigeration unit 8 in the step s 120 and initialize unsuccessful information, corresponding error code is exported to display and operation module 5 in step S121, export this heat exchange refrigeration unit 8 redundancy pump assembly 20 failure alarm signal to accident warning device 11, transition state indicating module 7 corresponding heat exchange refrigeration unit 8 redundancy pump assembly 20 status indicator lamp is to red alarm state.
Heat exchange refrigeration unit water inlet, delivery port coolant water temperature difference △ T is judged further in step S1162whether exceed preset temperature threshold range, comprise two steps, be respectively:
If judge the temperature approach △ T of water inlet temperature sensor 16 temperature value and outlet temperature sensor 28 temperature value in heat exchange refrigeration unit 82do not exceed preset temperature threshold range, in step 117, send radiating subassembly 17 state normal information to display and operation module 5, in the corresponding heat exchange refrigeration unit 8 of state indicator module 7, radiating subassembly 17 status indicator lamp becomes green state.
If judge the temperature-difference value △ T of water inlet temperature sensor 16 and outlet temperature sensor 28 in heat exchange refrigeration unit 82exceed preset temperature threshold range, radiating subassembly 17 status fault information is sent to display and operation module 5 in step S118, in the corresponding heat exchange refrigeration unit 8 of state indicator module 7, radiating subassembly 17 status indicator lamp becomes red alarm state, exports this heat exchange refrigeration unit 8 radiating subassembly 17 warning message to accident warning device 11 in step S119.
Judge that in heat exchange refrigeration unit 8, water inlet temperature sensor 16 is with the temperature-difference value of outlet temperature sensor 28 and when step S117 judges that constant displacement pump flow value does not all exceed normality threshold scope through step S116, in step S122, send exchange refrigeration unit 8 to display and operation module 5 initialize successful information.
Order exchanges refrigeration unit 8 to other and initializes, and after all exchange refrigeration units 8 have initialized, after display and operation module 5 processes corresponding warning, fault message, can start water-cooled cabinet and start working.
More than for heat exchange refrigeration unit 8 is with the initialization step of constant flow mode work, if heat exchange refrigeration unit 8 coordinates when working in the configurable mode of pressure with pressure conversion unit 9, increase pressure conversion unit 9 pressure judges branch.
On the basis of above water-cooled cabinet, present invention also offers a kind of redundancy temperature control method of water-cooled cabinet, its detail flowchart refers to Fig. 9.Method shown in Fig. 9 starts from step S201.
In step S202, after information acquisition module 3 gathers the ambient temperature signal of at least two diverse locations in cabinet 1 inside, the pressure signal of pressure conversion unit 9 and exchange refrigeration unit 8 temperature, flow value, each temperature, flow, force value are compared with corresponding predetermined threshold value, judge whether to exceed preset threshold range, wherein predetermined threshold value can set as required in water-cooled cabinet system, can comprise the temperature upper limit and lowest temperature that can show that temperature, flow, pressure sensor can detect in normal operation.
Gather the ambient temperature value of diverse location in cabinet 1, not only can reduce the probability that in spot measurement, environment temperature sensor 12 breaks down, as long as namely there is the effective work of one of them environment temperature sensor 12 can ensure temperature collection effective, and multimetering value on average more can reduce measure error, ensure the precision gathering ambient temperature data.
Judge to comprise the preset temperature threshold value ± 1.5 DEG C scope whether described cabinet 1 environment temperature value exceeds 27 DEG C two steps, be respectively further in step S203:
If judge that ambient temperature value is no more than design temperature threshold value ± 1.5 DEG C scope, namely ambient temperature value is when 25.5-28.5 DEG C of scope, maintains existing semiconductor chilling plate 31 reference current, fan assembly 34 reference voltage is constant in step S204;
If ambient temperature value exceedes preset temperature threshold value ± 1.5 DEG C scope, the temperature approach △ T of message processing module 4 environmentally temperature value and set temperature value 27 DEG C1after adopting pid control algorithm to calculate, in step S205, on setting benchmark job electric current, voltage power supply basis, adjust semiconductor chilling plate 31 benchmark job electric current, fan assembly 34 benchmark electricity work pressure value.
In step S206, judge heat exchange refrigeration unit flow 8 temperature further, whether flow value exceed preset flow threshold range;
In step S207, judge whether the flow value of the main constant displacement pump 21 of heat exchange refrigeration unit 8 exceeds preset flow threshold range, comprises three steps, is respectively further:
If the flow value of the main constant displacement pump 21 of heat exchange refrigeration unit 8 does not exceed preset flow threshold range, in step S210, keep main constant displacement pump switching solenoid valve 18, constant displacement pump switching solenoid valve 19 state control signal for subsequent use constant, in step S212, send main constant displacement pump 18 state normal information to display and operation module 5, state indicator module 7 corresponding heat exchange refrigeration unit 8 redundancy pump assembly 20 status indicator lamp keeps green state;
If judge that heat exchange refrigeration unit 8 main constant displacement pump 21 flow value exceeds preset flow threshold range, main constant displacement pump switching solenoid valve 18, constant displacement pump switching solenoid valve 19 state control signal for subsequent use is switched in step S209, cut-in stand-by constant displacement pump 22 to duty in step S213, send main constant displacement pump 21 fault message to display and operation module 5 in step 213, in transition state indicating module 7, corresponding heat exchange refrigeration unit 8 redundancy pump assembly 20 status indicator lamp is to alarm condition of glimmering.
After switching to constant displacement pump 22 for subsequent use work, in step S223, judge whether the flow value of constant displacement pump 22 for subsequent use exceeds preset flow threshold range further, if heat exchange refrigeration unit 8 flow value does not exceed preset flow threshold range, in step S224 hold mode indicating module 7, corresponding heat exchange refrigeration unit 8 redundancy pump assembly 20 status indicator lamp is flicker alarm condition; If heat exchange refrigeration unit 8 constant displacement pump 22 for subsequent use flow value still exceeds preset flow threshold range, in step S224 output error code to display and operation module 5, port redundancy pump assembly 20 alarm signal is to accident warning device 11, and transition state indicating module 7 corresponding heat exchange refrigeration unit 8 redundancy pump assembly 20 status indicator lamp is to red alarm state.
Judge whether the temperature value of heat exchange refrigeration unit 8 outlet temperature sensor 28 exceeds preset temperature threshold range, comprises two steps, is respectively in step 214 further:
If when judging that the temperature value of heat exchange refrigeration unit 8 outlet temperature sensor 28 does not exceed preset temperature threshold value ± 0.5 DEG C scope, in step S215, keep existing semiconductor chilling plate 31 operating current, fan assembly 34 operating voltage of floating of floating constant, in step S220, send radiating subassembly 17 state normal information to display and operation module 5, in the corresponding heat exchange refrigeration unit 8 of state indicator module 7, radiating subassembly 17 status indicator lamp keeps green state.
If when judging in step 214 that heat exchange refrigeration unit 8 outlet temperature sensor 28 temperature value exceeds preset temperature threshold value ± 0.5 DEG C range limit, comprise two steps, be respectively:
According to the temperature approach △ T of outlet temperature sensor 28 temperature value and preset temperature value in step S2162, after message processing module 4 digital pid control algolithm calculate, increase semiconductor chilling plate 31 to float operating current.
In step 217, judge whether heat exchange refrigeration unit 8 outlet temperature sensor 28 temperature value exceeds preset temperature threshold value ± 0.5 DEG C range limit, comprises two steps, is respectively further:
If when judging that heat exchange refrigeration unit 8 outlet temperature sensor 28 temperature value does not exceed preset temperature threshold value ± 0.5 DEG C range limit, keep adjustment after semiconductor chilling plate 31 float operating current and the existing floating operating voltage of fan assembly 34 constant, go to step S220 perform.
If when judging that heat exchange refrigeration unit 8 outlet temperature sensor 28 temperature value exceeds design temperature threshold value ± 0.5 DEG C range limit, after keeping adjustment in step 218, semiconductor chilling plate 31 operating current that floats is constant, according to the temperature value of outlet temperature sensor 28 and the temperature approach △ T of set temperature value2, after message processing module 4 digital pid control algolithm calculates, increase the floating operating voltage of fan assembly 34.
In step 219, judge whether the temperature value of heat exchange refrigeration unit 8 outlet temperature sensor 28 exceeds preset temperature threshold value ± 0.5 DEG C range limit, comprises two steps, is respectively further:
If when judging that heat exchange refrigeration unit 8 outlet temperature sensor 28 temperature value does not exceed design temperature threshold value ± 0.5 DEG C range limit, fan assembly 34 after keeping adjustment in a step 220 operating voltage, semiconductor chilling plate 31 operating current that floats that floats is constant, send corresponding heat exchange refrigeration unit 8 radiating subassembly 17 state normal information to display and operation module 5 in step 221, in the corresponding heat exchange refrigeration unit 8 of state indicator module 7, radiating subassembly 17 status indicator lamp keeps green state.
Float and to increase fan assembly 34 through increasing semiconductor chilling plate 31 in step 216 in operating current and step 218 and float after operating voltage, if judge to exchange refrigeration unit 8 outlet temperature sensor 28 temperature value when still exceeding design temperature threshold value ± 0.5 DEG C range limit in step 219, circulation performs step 216, step 217, step 218, step 219, until heat exchange refrigeration unit 8 semiconductor chilling plate 31 operating current, fan assembly 34 operating voltage all reaches in preset threshold range prescribes a time limit, radiating subassembly 17 status fault information is sent in step 222 to display and operation module 5, in the corresponding heat exchange refrigeration unit 8 of state indicator module 7, radiating subassembly 17 status indicator lamp becomes red status from green.
If when judging in step 214 that heat exchange refrigeration unit 8 outlet temperature sensor 28 temperature value exceeds preset temperature threshold value ± 0.5 DEG C range lower limit, comprise two steps, be respectively:
According to the temperature approach △ T of outlet temperature sensor 28 temperature value and preset temperature value in step S2182, after message processing module 4 digital pid control algolithm calculates, reduce the floating operating voltage of fan assembly 34.
In step 219, judge whether heat exchange refrigeration unit 8 outlet temperature sensor 28 temperature value exceeds preset temperature threshold value ± 0.5 DEG C range lower limit further, go to step S216 to perform, on the floating operating voltage basis keeping adjustment rear fan assembly 34, according to the temperature value of outlet temperature sensor 28 and the temperature approach △ T of set temperature value2, after message processing module 4 digital pid control algolithm calculates, reduce the floating operating current of semiconductor chilling plate 31.
In step 217, judge whether the temperature value of heat exchange refrigeration unit 8 outlet temperature sensor 28 exceeds preset temperature threshold value ± 0.5 DEG C range lower limit, comprises two steps, is respectively further:
If when judging that heat exchange refrigeration unit 8 outlet temperature sensor 28 temperature value does not exceed design temperature threshold value ± 0.5 DEG C range lower limit, directly go to step S220 perform, keep adjustment after semiconductor chilling plate 31 float operating current and the existing floating operating voltage of fan assembly 34 constant.
To float operating voltage and reduce semiconductor chilling plate 31 and float after operating current through reducing fan assembly 34 in step 218 in step 216, if judging to exchange refrigeration unit 8 outlet temperature sensor 28 temperature value in step 217 to exceed at preset temperature threshold value ± 0.5 DEG C in limited time, circulation performs step 216, step 217, step 218, step 219, until heat exchange refrigeration unit 8 semiconductor chilling plate 31 electric current, when fan assembly 34 operating voltage all exceedes under preset threshold range, radiating subassembly 17 status fault information is sent in step 222 to display and operation module 5, in the corresponding heat exchange refrigeration unit 8 of state indicator module 7, radiating subassembly 17 status indicator lamp is become to flicker alarm condition from green.
More than for dynamically judging, adjusting the step of the mouth of a river cooling water temperature when heat exchange refrigeration unit 8 works in constant flow mode, if heat exchange refrigeration unit 8 coordinates with pressure conversion unit 9 when working in the configurable mode of pressure, increase pressure conversion unit 9 exit pressure levels and dynamically judge branch.
In sum, water-cooled cabinet of the present invention comprises 4 modular exchange refrigeration units 8, can dispel the heat to outside water-cooled electronic equipment 13 separately in constant flow mode, also can coordinate with pressure conversion unit 9 and dispel the heat to outside water-cooled electronic equipment 13 in the configurable mode of pressure, redundancy pump assembly 20 improves system reliability in redundancy of effort mode; Water inlet temperature sensor 16, outlet temperature sensor 28 are positioned at heat exchange refrigeration unit 8 cooling water intake-outlet position, be conducive to the accuracy and the reliability that ensure collecting temperature data, thus realize the more accurate redundancy dynamic adjustments of semiconductor chilling plate 31 operating current, fan assembly 34 operating voltage in heat exchange refrigeration unit 8, ensure water-cooled cabinet reliably working under comparatively low noise level.