Summary of the invention
It is an object of the invention to overcoming above-mentioned the deficiencies in the prior art, providing a kind of can be not required to additionally screen hardwareService life improves production efficiency and also reduces Thermostatic water heaters that the temperature drift of product cost is calibrated automatically and automaticAdjustment controlling means.
The Thermostatic water heaters that a kind of temperature drift that the present invention describes is calibrated automatically, include such as flowering structure.
Shell is equipped with instantaneous heating pipe in shell, and instantaneous heating pipe is connected separately with water inlet pipe and outlet pipe.
Water flow sensing unit for detecting the water velocity in water inlet pipe, and exports water velocity parameter.
That is heat sensor for detecting the heating temperature of instantaneous heating pipe, and exports hot water temperature's parameter.
Water present sensor for detecting the coolant-temperature gage of detection outlet pipe, and exports hot water temperature's parameter.
Single-chip microcontroller, single-chip microcontroller receive water flow sensing unit, i.e. heat sensor and water present sensor difference output data ginseng respectivelyNumber, and to data parameter processing and data parameters will be calibrated.
Reservoir with reception and saves calibration data parameter and reads for single-chip microcontroller.
It is specific further, it is connected between the water flow sensing unit and single-chip microcontroller by water flow data transmitting circuit.
Specific further, the water flow data transmitting circuit includes the first connector CN1, first resistor R1 and first capacitor2 feet of C1, the first connector CN1 are connected with first resistor R1, and one end of first capacitor C1 is connected with first resistor R1, and firstThe other end of capacitor C1 is connected with 1 foot of the first connector CN1.
Specific further, described is between heat sensor and single-chip microcontroller by being that dsc data transmitting circuit is connected.
Specific further, i.e. the dsc data transmitting circuit includes the second connector CN2, second resistance R2,3rd resistor R3With the second capacitor C2,1 foot of the second connector CN2 is connected with second resistance R2, and 3rd resistor R3 and the second capacitor C2 are in parallelAnd it is connected with 1 foot of the second connector CN2.
It is specific further, it is connected between the water present sensor and single-chip microcontroller by leaving water temperature transmitting circuit.
Specific further, the leaving water temperature transmitting circuit includes third connector CN3, the 4th resistance R4, the 5th resistance R5It is connected with third capacitor C3, third connector CN3 with the 4th resistance R4, the 4th resistance R4, the 5th resistance R5 and third capacitor C3It is in parallel and is connected with 1 foot of third connector CN3.
It is specific that further the single-chip microcontroller is connected with power circuit, power circuit include integrator IC1, transformer T1 andVoltage detection terminal CN4, integrator IC1 are connected with the input terminal of transformer T1, the output end and voltage detection terminal of transformer T1CN4 is connected.
Specific further, the single-chip microcontroller is connected with Data Input Interface, passes through between single-chip microcontroller and instantaneous heating pipePower controller is connected, and reservoir is divided into band Electrically Erasable Programmable Read-Only Memory EEPROM or Nonvolatile memory FLASH.
Meanwhile the Thermostatic water heaters calibrated automatically the invention also discloses temperature drift described in any of the above-described technical solutionAutomatic adjustment controlling means, it is characterised in that: include the following steps as follows.
Step 1: the liquid that instantaneous heating pipe heating water inlet pipe enters.
Step 2: water flow sensing unit detection water inlet pipe exports water velocity parameter, i.e. heat sensor output heating temperature ginsengNumber, water present sensor detect hot water temperature's parameter in outlet pipe, and feedback to single-chip microcontroller 5 etc. is to be processed.
Step 3: single-chip microcontroller temperature is set separately according to parameter required for power.
P=(Tset-Tin) × 4200 × S, wherein Tset is setting temperature, and Tin input temp, S is the flow of water；Pass throughThis formula exports heating power.
And single-chip microcontroller inputs deviation in typing reservoir, deviation X=(Tout-Tin)/(Tset-Tin).
Step 4: single-chip microcontroller implements automatic calibration data parameter according to deviation.
Step 5: in single-chip microcontroller output power parameter input power controller, the instant heating type hair of power controller real-time controlHeat pipe state.
The beneficial effects of the present invention are: this structure is applied in combination by single-chip microcontroller and reservoir, can be not required to additionally screen hardThe service life of part improves production efficiency and also reduces product cost.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to endSame or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attachedThe embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
The constant-temperature hot water that a kind of temperature drift according to an embodiment of the present invention is calibrated automatically is described below with reference to Fig. 1 to Fig. 6Device includes following structures.
Shell 13, instantaneous heating pipe 9 is equipped in shell 13, and instantaneous heating pipe 9 is connected separately with water inlet pipe and goes outWater pipe.
Water flow sensing unit 12 for detecting the water velocity in water inlet pipe, and exports water velocity parameter.
That is heat sensor 11 for detecting the heating temperature of instantaneous heating pipe 9, and exports hot water temperature's parameter.
Water present sensor 10 for detecting the coolant-temperature gage of detection outlet pipe, and exports hot water temperature's parameter.
Single-chip microcontroller 5, single-chip microcontroller receives water flow sensing unit 12, i.e. heat sensor 11 respectively and water present sensor 10 exports respectivelyData parameters, and to data parameter processing and data parameters will be calibrated.
Reservoir 6 with reception and saves calibration data parameter and reads for single-chip microcontroller 5.
This structure is applied in combination by single-chip microcontroller 5 and reservoir 6, can be not required to additionally screen the service life of hardware, be improvedProduction efficiency and also reduce product cost.
Wherein water flow sensing unit 12 detects water inlet pipe and exports water velocity parameter, i.e. heat sensor 11 exports heating temperature ginsengNumber, water present sensor 10 detect hot water temperature's parameter in outlet pipe, and feedback to single-chip microcontroller 5 etc. is to be processed；Single-chip microcontroller 5 is by deviationInput in typing reservoir 6, deviation X=(Tout-Tin)/(Tset-Tin)；Single-chip microcontroller 5 is implemented certainly according to deviationDynamic calibration data parameter；To implement precisely to use device, reduction manually further tests component, improves production efficiencyWith also reduce product cost.
Wherein reservoir 6 is with receiving and saving calibration data parameter, for overcoming water flow sensing unit 12, water present sensor 10That is error existing for heat sensor 11 itself can be implemented per the device more renewed, just can automatic regulator part itself mistakeDifference can be implemented to be precisely controlled.
Wherein single-chip microcontroller 5 (Microcontrollers) is a kind of IC chip, is using ultra-large integrated electricityRoad technique is the central processor CPU, random access memory ram, read only memory ROM, I/O mouthfuls a variety of with data-handling capacityIt (may further include that display driver circuit, pulse-width modulation circuit, Multipexer turn with the system of interruption, the functions such as timer/counterThe circuits such as parallel operation, A/D converter) it is integrated into the small and perfect microcomputer system constituted on one piece of silicon wafer.MonolithicMachine 5 can choose 8051 single-chip microcontrollers and draw AVR single chip or PIC single chip microcomputer or STM8 single-chip microcontroller or ARM single-chip microcontroller series.
It is connected between water flow sensing unit 12 of the present invention and single-chip microcontroller 5 by water flow data transmitting circuit 1.Water flow numberIt can implement to export water velocity parameter according to transmitting circuit 1；The hair of water flow sensing unit 12 is in water flow data transmitting circuit 1.
In addition, the water flow data transmitting circuit 1 includes the first connector CN1, first resistor R1 and first capacitor C1, first2 feet of connector CN1 are connected with first resistor R1, and one end of first capacitor C1 is connected with first resistor R1, first capacitor C1The other end be connected with 1 foot of the first connector CN1.Wherein first resistor R1 plays the role of protecting single-chip microcontroller 5, avoids voltageIt is excessively high and damage single-chip microcontroller 5.
Of the present invention is between heat sensor 11 and single-chip microcontroller 5 by being that dsc data transmitting circuit 2 is connected.Wherein it isDsc data transmitting circuit 2 can be implemented to export hot water temperature's parameter；I.e. heat sensor 11 is installed in i.e. dsc data transmitting circuit 2.
In addition, the i.e. dsc data transmitting circuit 2 includes the second connector CN2, second resistance R2,3rd resistor R3 and secondCapacitor C2,1 foot of the second connector CN2 are connected with second resistance R2,3rd resistor R3 and the second capacitor C2 be in parallel and with1 foot of second connector CN2 is connected.Wherein second resistance R2 plays the role of protecting single-chip microcontroller 5, avoids overtension and damagesSingle-chip microcontroller 5.
It is connected between water present sensor 10 of the present invention and single-chip microcontroller 5 by leaving water temperature transmitting circuit 3.Wherein go outCoolant-temperature gage transmitting circuit 3 can be implemented to export hot water temperature's parameter, be installed on leaving water temperature transmitting circuit 3 convenient for water present sensor 10On.
In addition, the leaving water temperature transmitting circuit 3 includes third connector CN3, the 4th resistance R4, the 5th resistance R5 and thirdCapacitor C3, third connector CN3 are connected with the 4th resistance R4, and the 4th resistance R4, the 5th resistance R5 and third capacitor C3 are in parallelAnd it is connected with 1 foot of third connector CN3.
Single-chip microcontroller 5 of the present invention is connected with power circuit 4, and power circuit 4 includes integrator IC1, transformer T1 and electricityTest side CN4, integrator IC1 is pressed to be connected with the input terminal of transformer T1, the output end and voltage detection terminal CN4 of transformer T1It is connected.Power circuit 4 provides required voltage to be whole, and single-chip microcontroller 5 detects power supply electricity by voltage detection terminal CN44 state of road, wherein single-chip microcontroller 5 obtains mains voltage signal by the anode voltage of detection polar capacitor E4.
In addition, the single-chip microcontroller 5 is connected with Data Input Interface 7, pass through function between single-chip microcontroller 5 and instantaneous heating pipe 9Rate controller is connected, and reservoir is divided into band Electrically Erasable Programmable Read-Only Memory EEPROM or Nonvolatile memory FLASH.
Meanwhile the automatic adjustment controlling means of Thermostatic water heaters that above-mentioned temperature drift is calibrated automatically, including following stepIt is rapid as follows.
Step 1: instantaneous heating pipe 9 heats the liquid that water inlet pipe enters.
Step 2: water flow sensing unit 12, which detects water inlet pipe, exports water velocity parameter, the i.e. output of heat sensor 11 heating temperatureParameter is spent, water present sensor 10 detects hot water temperature's parameter in outlet pipe, and feedback to single-chip microcontroller 5 etc. is to be processed.
Step 3: single-chip microcontroller 5 temperature is set separately according to parameter required for power.
P=(Tset-Tin) × 4200 × S, wherein Tset is setting temperature, and Tin input temp, S is the flow of water；Pass throughThis formula exports heating power.
And single-chip microcontroller 5 is interior by deviation input typing reservoir (6), deviation X=(Tout-Tin)/(Tset-Tin).
Step 4: single-chip microcontroller 5 implements automatic calibration data parameter according to deviation.
Step 5: 8 real-time control of power controller is instant heating type in 5 output power parameter input power controller 8 of single-chip microcontroller9 state of heat-generating pipe.
Wherein water flow sensing unit 12 detects water inlet pipe and exports water velocity parameter, i.e. heat sensor 11 exports heating temperature ginsengNumber, water present sensor 10 detect hot water temperature's parameter in outlet pipe, and feedback to single-chip microcontroller 5 etc. is to be processed；Single-chip microcontroller 5 is by deviationInput in typing reservoir 6, deviation X=(Tout-Tin)/(Tset-Tin)；Single-chip microcontroller 5 is implemented certainly according to deviationDynamic calibration data parameter；To implement precisely to use device, reduction manually further tests component, improves production efficiencyWith also reduce product cost.
Wherein reservoir 6 is with receiving and saving calibration data parameter, for overcoming water flow sensing unit 12, water present sensor 10That is error existing for heat sensor 11 itself can be implemented per the device more renewed, just can automatic regulator part itself mistakeDifference can be implemented to be precisely controlled.
Upper is only presently preferred embodiments of the present invention, is not intended to limit the invention, all in spirit and original of the inventionMade any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention within then.