Utility model content
In view of the drawbacks described above of the prior art, the technical problem to be solved by the utility model is to provide a kind of VOC to existLine monitoring device.
To achieve the above object, the utility model provides a kind of VOC on-Line Monitor Devices, including, cabinet, the cabinetVOC air inlets, the gas outlets VOC are provided on body, the VOC air inlets are connected to the air source that outside need detects, VOC air inletsMouth is connected to first filter air inlet, and first filter gas outlet is connected to first the first air inlet of solenoid directional control valve；
Second air inlet of first solenoid directional control valve is connected to the second filter outlet mouth, the second filter air inletMouth is connected to clean gas；
The first electromagnetic switch valve air gate is connected to the first air pump inlet end, the first air pump outlet side and dehumidifierInlet end is connected to, and dehumidifying motor spindle is provided with water tank, and the water tank at water pipe and dehumidifier liquid collection by being connected toTo collect the moisture content of dehumidifier generation；
The dehumidifier gas outlet is connected to third filtering air inlet, the third filter outlet mouth and flowAir inlet connection is counted, the flowmeter gas outlet is connected to VOC detector air inlets, and the VOC detectors are for detectingVOC concentration；
The gas outlets VOC of the VOC detectors are connected to the first air valve air inlet and the second solenoid directional control valve air inlet,Second first gas outlet of solenoid directional control valve is connected to the second air pump gas outlet, and the second air pump air inlet connects with clean gasIt is logical；
Second the second gas outlet of solenoid directional control valve is connected to combustion furnace air inlet, and the combustion furnace air inlet also with oxygenGas is connected to；
Igniter is provided in the combustion furnace, the igniter is used to light the VOC in the air in combustion furnaceBurning；
Combustion furnace gas outlet is connected to exhaust pipe one end, to which the air after burning is discharged.
First solenoid directional control valve, the second solenoid directional control valve, dehumidifying as a further improvement of the utility model,Machine, flowmeter, VOC detectors, the second air pump, the first air pump, the first air valve, igniter are opened with a relay respectively into electric endThe current output terminal connection of pass is conductive, and relay switch connect conduction, relay switch, flowmeter, VOC inspections with external power supply into electric endThe signal output end for surveying instrument connect and carries out data transmission with the signal input part of controller respectively, and the controller is for solvingAnalysis and transmitting-receiving instruction；
The controller is connected to digital analog converter input terminal, and the digital analog converter output end connects with network moduleLogical, the network module is used for and external equipment, network-in-dialing and carries out data transmission.Digital analog converter is used for controllerDigital signal be converted into electric signal and exported by network module, the network module can be wired network adapter or wireless networkCard can built-in 4G modules or WIFI module etc. when for wireless network card.
Non-return air valve, unidirectional gas are provided between water tank and dehumidifier as a further improvement of the utility model,The airflow direction of valve is to flow to water tank by dehumidifier.
First partition and second partition are provided in cabinet as a further improvement of the utility model, for that will burnFuel assembly where stove is kept apart, and regulating tank is provided in the first partition, top surface is fixed with the second thermal insulation board, describedThe second thermal insulation board surrounding be connected and fixed with the first thermal insulation board；
Engaging slot is provided on the burning furnace outer wall, the engaging slot is assembled with the clamping of first connecting rod one end, instituteThe first connecting rod other end stated and the assembly of the first axis pin are fixed, and first axis pin passes through recessing groove, the recessing groove to setIt sets on second connecting rod, the second connecting rod middle section and third connecting rod one end are hinged by the second axis pin, and described theThree-link is connected and fixed with the first thermal insulation board, and the second connecting rod bottom is connected and fixed with fourth link one end, and describedThe double leval jib other end is adjacent to after passing through fixed block with adjustable column, and restraining position ring block, the limit are arranged in the fourth linkSpring is equipped between ring and fixed block, the spring is for making fourth link generate the power moved to adjustable column；
The adjustable column main body section is cam, and when combustion furnace is installed, longitudinal end and fourth link hold out against so thatFirst connecting rod clamping combustion furnace；Spindle portion is additionally provided on adjustable column, the spindle portion is rotatably assembled with first partition.
Air enters condenser processing after being introduced into dust filter unit filtering as a further improvement of the utility model,Enter air pump after condenser processing, VOC detectors are then delivered to by air pump, number is transmitted the result to after the detection of VOC detectorsAccording to Acquisition Instrument, the data collecting instrument is used to acquire and store the data of VOC detectors；
The data collecting instrument also connect with temperature sensor, pressure sensor and carries out data interaction, the temperatureDegree sensor, pressure sensor are used to detect the temperature and pressure for being sent into VOC detectors；
Air switch and 24V Switching Power Supplies, institute are respectively connected to by leak source protector after external power supply access leak source protectorThe 24V Switching Power Supplies stated are used to 220V voltages are changed into 24V voltages and to pressure sensor, temperature sensor, air pump, condensationDevice, dust filter unit convey electric energy so that they are powered on；
The air switch is powered to VOC detectors, data collecting instrument, is used so that they are powered；
The air pump gas outlet is connected to VOC air inlets.
The utility model has the beneficial effects that：The utility model can realize continuous, the real-time detection to VOC, andThe higher VOC air of concentration can be purified, to prevent secondary pollution and influence measurement accuracy.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples：
Referring to Fig. 1-Fig. 4, a kind of VOC on-Line Monitor Devices, including, cabinet 100 is provided with VOC on the cabinet 100Air inlet 101, the gas outlets VOC 102, the VOC air inlets are connected to the air source that outside need detects, and VOC air inlets withFirst filter air inlet is connected to, and first filter gas outlet is connected to first the first air inlet of solenoid directional control valve；
Second air inlet of first solenoid directional control valve is connected to the second filter outlet mouth, the second filter air inletMouth is connected to clean gas, and the clean gas of this case meaning is free from VOC and is practically free of the air of impurity；
The first electromagnetic switch valve air gate is connected to the first air pump inlet end, the first air pump outlet side and dehumidifierInlet end is connected to, and dehumidifying motor spindle is provided with water tank, and the water tank at water pipe and dehumidifier liquid collection by being connected toTo collect the moisture content of dehumidifier generation；
The dehumidifier gas outlet is connected to third filtering air inlet, the third filter outlet mouth and flowAir inlet connection is counted, the flowmeter gas outlet is connected to VOC detector air inlets, and the VOC detectors are for detectingVOC concentration；
The gas outlets VOC of the VOC detectors are connected to the first air valve air inlet and the second solenoid directional control valve air inlet,Second first gas outlet of solenoid directional control valve is connected to the second air pump gas outlet, and the second air pump air inlet connects with clean gasIt is logical；
Second the second gas outlet of solenoid directional control valve is connected to combustion furnace air inlet, and the combustion furnace air inlet also with oxygenGas is connected to, in use, air enters combustion furnace with oxygen mix；
Igniter is provided in the combustion furnace, the igniter is used to light the VOC in the air in combustion furnaceBurning；
200 gas outlet of combustion furnace is connected to 210 one end of exhaust pipe, to which the air after burning is discharged, it is preferable that burningAir afterwards is discharged by exhaust pipe in air or further air cleaning unit purified after store.This design can dropThe VOC content of low discharge increases accuracy of detection to prevent the VOC content around the utility model from increasing.
First solenoid directional control valve, the second solenoid directional control valve, dehumidifier, flowmeter, VOC detectors, the second air pump,First air pump, the first air valve, igniter connect conduction, relay switch with the current output terminal of a relay switch respectively into electric endInto electric end and external power supply（Battery or alternating current）Connection is conductive, relay switch, flowmeter, VOC detectors signal output endIt connect and carries out data transmission with the signal input part of controller respectively, the controller, can for parsing and receiving and dispatching instructionTo use microcontroller or CPU.
In use, the first solenoid directional control valve first connects the second filter and the first air pump, clean gas enters VOC detectionsInstrument makes detector be zeroed, and then, the first solenoid directional control valve cuts off the connection between the second filter and the first air pump, and makes theOne filter is connected to the first air pump, and the first air pump will need the gas detected to be sucked from VOC air inlets, then into the first mistake excessivelyFilter enters dehumidifier dehumidifying after filtering large granular impurity, enters back into the laggard gauge that becomes a mandarin of the further impurity screening of third filterGas flow is monitored, detects VOC concentration and ingredient subsequently into VOC detectors, when VOC concentration is not exceeded, controller passes throughCorresponding relay switch controls the first air valve opening, the second solenoid directional control valve is closed.Air-flow is discharged from the first air valve；
When VOC concentration over-standards, the first air valve is closed, and controller controls the second electromagnetism by corresponding relay switch and changesThe gas outlets VOC and combustion furnace are connected to valve, then igniter fire arranges the organic compound combustion in air finally by exhaust pipeGo out.
When being cleaned, controller controls the second solenoid directional control valve by corresponding relay switch and connects VOCFirst filter is connected in gas outlet with the second air pump, the first solenoid directional control valve, and then the second air pump sucks cleaned air, and will doNet air is reversely blown into VOC detectors and its internal impurity blowout is reached clean effect to realize to VOC air inlets.
Further, blowback is that the water in water tank is redirected back into dehumidifier in order to prevent, can water tank with removeNon-return air valve is set between wet machine, and the airflow direction of Non-return air valve is to flow to water tank by dehumidifier.
It is influenced in order to avoid the heat of generation referring to Fig. 2-Fig. 4 since combustion furnace will produce a large amount of heat in burningEach electrical equipment in cabinet 100, can be arranged first partition 110 in cabinet and second partition 120 is used for combustion furnaceThe fuel assembly at place is kept apart, and is provided with regulating tank 111 in the first partition 110, top surface is fixed with the second thermal insulation board320, the second thermal insulation board surrounding is connected and fixed with the first thermal insulation board 310, in use, combustion furnace is placed in the first thermal insulation boardAnd second between thermal insulation board to prevent the heat unofficial of combustion furnace；
Engaging slot is provided on the burning furnace outer wall, the engaging slot is assembled with 410 one end clamping of first connecting rod,410 other end of first connecting rod and the assembly of the first axis pin 710 are fixed, and first axis pin 710 passes through recessing groove 421,The recessing groove 421 is arranged on second connecting rod 420, and the second connecting rod middle section is logical with 430 one end of third connecting rodIt is hinged to cross the second axis pin 720, the third connecting rod 430 is connected and fixed with the first thermal insulation board 310, the second connecting rod 420Bottom is connected and fixed with 440 one end of fourth link, 440 other end of fourth link pass through fixed block 112 after with adjustable column600 are adjacent to, and restraining position ring block 441 is arranged in the fourth link 440, is equipped between the spacing ring 441 and fixed block 112Spring 510, the spring 510 is for making fourth link generate the power moved to adjustable column；
600 main body section of adjustable column is cam, and when combustion furnace installation, longitudinal end 601 and fourth link topTightly so that first connecting rod clamping combustion furnace.Spindle portion 620, the spindle portion 620 and first are additionally provided on adjustable column 600Partition board 110 rotatably assembles.
When needing to take out combustion furnace, only repairing 600 90 degree of adjustable column to be rotated makes its 602 fourth link of short axle end be adjacent to i.e.Can, in the process, spring drives fourth link to be moved to adjustable column, to burn to drive first connecting rod to be detached from clamping slotStove, which can take out, to be overhauled or is replaced.
External tapping 610 is additionally provided on the adjustable column 600, the external tapping 610 with external tool for engagingTo facilitate rotation adjustable column.
Referring to Fig. 5, air enters condenser processing after being introduced into dust filter unit filtering, enters gas after condenser processingThen pump is delivered to VOC detectors by air pump, data collecting instrument, the data is transmitted the result to after the detection of VOC detectorsAcquisition Instrument is used to acquire and store the data of VOC detectors, and data collecting instrument can be hard disk, micro computer, carry store functionMicrocontroller etc.；
The data collecting instrument also connect with temperature sensor, pressure sensor and carries out data interaction, the temperatureDegree sensor, pressure sensor are used to detect the temperature and pressure for being sent into VOC detectors；
Air switch and 24V Switching Power Supplies, institute are respectively connected to by leak source protector after external power supply access leak source protectorThe 24V Switching Power Supplies stated are used to 220V voltages are changed into 24V voltages and to pressure sensor, temperature sensor, air pump, condensationDevice, dust filter unit convey electric energy so that they are powered on；
The air switch is powered to VOC detectors, data collecting instrument, is used so that they are powered.
The air pump gas outlet is connected to VOC air inlets.
Place is not described in detail for the utility model, is the known technology of those skilled in the art.
The preferred embodiment of the utility model described in detail above.It should be appreciated that the ordinary skill people of this fieldMember according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necksTechnical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to the design of the utility model in domainAvailable technical solution is tested, it all should be in the protection domain being defined in the patent claims.