CN204575622U - A kind of Mercury In The Air accurate detection device - Google Patents
A kind of Mercury In The Air accurate detection device Download PDFInfo
- Publication number
- CN204575622U CN204575622U CN201520256495.4U CN201520256495U CN204575622U CN 204575622 U CN204575622 U CN 204575622U CN 201520256495 U CN201520256495 U CN 201520256495U CN 204575622 U CN204575622 U CN 204575622U
- Authority
- CN
- China
- Prior art keywords
- air
- amplifier
- solenoid valve
- circuit
- control module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of Mercury In The Air accurate detection device, comprise detection system and control system; Detection system comprises source of the gas, the first solenoid valve, the second solenoid valve, air photoelectricity harvester, well heater, air pump, pick-up unit and computer PC, and control system comprises processor unit and coupled solenoid valve control module, temperature monitoring module, air pump control module, gaseous state control module, man-machine interface monitoring modular.Compared with prior art, the beneficial effects of the utility model are: the utility model leads to the accurate control achieved each step in mercury testing process, air photoelectricity harvester is rational in infrastructure, reliable simultaneously, possess the function of compensation and sinusoidal energy dispensing, thus ensure that the pollution index testing result for air has higher accuracy.
Description
Technical field
The utility model relates to a kind of air quality detection field, specifically a kind of Mercury In The Air accurate detection device.
Background technology
Along with the importance of environmental problem is more and more taken seriously, it is also urgently to be resolved hurrily that air-polluting detects, and the mercury pollution wherein in air is very serious, and the toxicity difference of various mercury compound is very large.Mercuric chloride in inorganic mercury is extremely toxic substance; Phenyl mercury in organic mercury decomposes very fast, and toxicity is little, and methyl mercury enters human body and is easy to be absorbed, and not easily degrade, excretion is very slow, particularly easily accumulates in brain, and toxicity is maximum.The control of mercury analytic system is implemented at present with manual operation and hand-timed mode operation, therefore in the urgent need to developing a kind of automatic control equipment, existing custom circuit does not possess the function of compensation and sinusoidal energy dispensing, thus causes the result error of detection larger.To meet routine experimentation and the test needs of this equipment better.
Utility model content
The purpose of this utility model is to provide a kind of Mercury In The Air accurate detection device, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of Mercury In The Air accurate detection device, comprises detection system and control system, detection system comprises source of the gas, first solenoid valve, second solenoid valve, air photoelectricity harvester, well heater, air pump, pick-up unit and computer PC, described source of the gas has two, be respectively air source and zero source of the gas, air source connects the first solenoid valve, zero source of the gas connects the second solenoid valve, first solenoid valve is connected with air photoelectricity harvester, air photoelectricity harvester is connected with well heater with the second solenoid valve simultaneously, air pump is by the gas suction pick-up unit after heating, pick-up unit is connected with computer PC, control system comprises processor unit and coupled solenoid valve control module, temperature monitoring module, air pump control module, gaseous state control module, man-machine interface monitoring modular, described air photoelectricity harvester is also connected with processor unit, solenoid valve control module connects two solenoid valves, temperature monitoring module connects two well heaters, air pump control module connects air pump, gaseous state control module connects pick-up unit.
As further program of the utility model: the circuit of described air photoelectricity harvester includes oscillatory circuit, negative-feedback circuit, signal amplification circuit, temperature-compensation circuit, current rectifying and wave filtering circuit, signal follow circuit, power circuit and electric wire connecting junction J1, J2, and oscillatory circuit, negative-feedback circuit, signal amplification circuit, temperature-compensation circuit, current rectifying and wave filtering circuit and signal follow circuit include amplifier U2A, U2B, U3D, U3C, U3B, U3A respectively, be connected with the signal input part of electric wire connecting junction J2 after the positive input contact resistance R3 of amplifier U2A, be connected with the reverse input end of amplifier U2B after the output terminal contact resistance R4 of amplifier U2A, the output terminal of amplifier U2B is connected with signal output part with the signal input part of electric wire connecting junction J1 respectively with the reverse input end of U3D, feedback resistance R6 is parallel with between the reverse input end of amplifier U2B and output terminal, be connected with the reverse input end of amplifier U3C after the output terminal contact resistance R9 of amplifier U3D, be connected with the reverse input end of amplifier U3B after the output terminal contact resistance R13 of amplifier U3C, the output terminal of amplifier U3B connects diode D3 successively, resistance R16, be connected with the positive input of amplifier U3A after R17, the output terminal of amplifier U3A is connected with the signal output part of electric wire connecting junction J2.
As the utility model further scheme: described well heater has two, primary heater and secondary heater are connected in series.
As the utility model further scheme: man-machine interface monitoring modular is provided with display button.
Compared with prior art, the beneficial effects of the utility model are: the utility model is by arranging control system, various control module is set in control system, to control the solenoid valve in detection system respectively, air photoelectricity harvester, well heater, air pump and pick-up unit, realize the accurate control to each step in mercury testing process, meet routine experimentation and the test needs of this equipment better, air photoelectricity harvester is rational in infrastructure simultaneously, reliably, possesses the function of compensation and sinusoidal energy dispensing, thus ensure that the pollution index testing result for air has higher accuracy.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of Mercury In The Air accurate detection device.
Fig. 2 is the circuit theory diagrams figure of air photoelectricity harvester in a kind of Mercury In The Air accurate detection device.
In figure: 1, air source, 2, zero source of the gas, the 3, first solenoid valve, the 4, second solenoid valve, 5, air photoelectricity harvester, 6, primary heater, 7, secondary heater, 8, air pump, 9, pick-up unit, 10, computer PC.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
Refer to Fig. 1-2, a kind of Mercury In The Air accurate detection device, comprises detection system and control system, detection system comprises source of the gas, first solenoid valve 3, second solenoid valve 4, air photoelectricity harvester 5, well heater, air pump 8, pick-up unit 9 and computer PC 10, wherein, source of the gas has two, be respectively air source 1 and zero source of the gas 2, air source 1 connects the first solenoid valve 3, zero source of the gas 2 connects the second solenoid valve 4, by passing through of solenoid control gas, first solenoid valve 3 is connected with air photoelectricity harvester 5, air photoelectricity harvester 5 is connected with well heater with the second solenoid valve 4 simultaneously, well heater has two, primary heater 6 and secondary heater 7 are connected in series, two well heaters heating-up temperature is operationally different, to meet different phase gas-heated needs, air pump 8 is by the gas suction pick-up unit 9 after heating, mercury content in gas is detected, pick-up unit 9 is connected with computer PC 10, the testing result of computer PC 10 pairs of pick-up units 9 stores, analysis and display etc.
The circuit of described air photoelectricity harvester 5 includes oscillatory circuit, negative-feedback circuit, signal amplification circuit, temperature-compensation circuit, current rectifying and wave filtering circuit, signal follow circuit, power circuit and electric wire connecting junction J1, J2, and oscillatory circuit, negative-feedback circuit, signal amplification circuit, temperature-compensation circuit, current rectifying and wave filtering circuit and signal follow circuit include amplifier U2A, U2B, U3D, U3C, U3B, U3A respectively, be connected with the signal input part of electric wire connecting junction J2 after the positive input contact resistance R3 of amplifier U2A, be connected with the reverse input end of amplifier U2B after the output terminal contact resistance R4 of amplifier U2A, the output terminal of amplifier U2B is connected with signal output part with the signal input part of electric wire connecting junction J1 respectively with the reverse input end of U3D, feedback resistance R6 is parallel with between the reverse input end of amplifier U2B and output terminal, be connected with the reverse input end of amplifier U3C after the output terminal contact resistance R9 of amplifier U3D, be connected with the reverse input end of amplifier U3B after the output terminal contact resistance R13 of amplifier U3C, the output terminal of amplifier U3B connects diode D3 successively, resistance R16, be connected with the positive input of amplifier U3A after R17, the output terminal of amplifier U3A is connected with the signal output part of electric wire connecting junction J2.
Described control system comprises processor unit and coupled solenoid valve control module, temperature monitoring module, air pump control module, gaseous state control module, man-machine interface monitoring modular, described air photoelectricity harvester 5 is also connected with processor unit, solenoid valve control module connects two solenoid valves, Controlling solenoid valve break-make; Temperature monitoring module connects two well heaters, the heating-up temperature of control heater and heat time, air pump control module connects air pump 8, control the break-make of air pump 8, with by proper amount of gas suction pick-up unit 9, gaseous state control module connects pick-up unit 9, control pick-up unit 9 and be in different duties, man-machine interface monitoring modular is provided with display button, to transmit different control informations to processor unit, sends order to each control module by processor unit.
In the application process of reality, solenoid valve control module adopts 24V Control electromagnetic valve coil, realizes controlling the break-make of gas circuit; Temperature monitoring module uses photoelectronic coupler to control the work of heating module, and temperature-controlled portion is controlled by heating system; Air pump control module adopts the switch of Control air pump; Gaseous state control module uses serial ports (RS232) to arrange the state of current detection gas, to indicate the data that it exports to PC; Processor unit uses ATMEL8 position single-chip microcomputer, frequency of operation at 16MHz, built-in 16K BYTE memory under program; Man-machine interface monitoring modular uses 6 light-emitting diode displays, and (state of front pump is worked as in one piece of display to the state of display 2 pieces of heating modules; The classification of another block display gas), display button arranges four, can the mode of operation of initialization system and state, as: the manual unlocking of solenoid valve and closedown, to realize controlling the classification of gas; The Non-follow control of heating tube; The Non-follow control of air pump; And the switching of hand control and automation pattern.
Principle of work of the present utility model is: select corresponding solenoid valve during utility model works, make gas enter heating tube; Air photoelectricity harvester possesses the function of compensation and sinusoidal energy dispensing, thus ensure that the pollution index testing result for air has higher accuracy.Use customization quartz ampoule heated air to 500 DEG C or 800 DEG C; Temperature in heating process controls to have been come by quartz ampoule temperature control system, and temperature-control range within 10%, and starts timing; By flowing into pick-up unit to the control of air pump to realize gas; Current state is sent to the data that checkout equipment exports to PC to indicate it.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, can also makes a variety of changes under the prerequisite not departing from this patent aim.
Claims (4)
1. a Mercury In The Air accurate detection device, comprises detection system and control system, detection system comprises source of the gas, first solenoid valve (3), second solenoid valve (4), air photoelectricity harvester (5), well heater, air pump (8), pick-up unit (9) and computer PC (10), it is characterized in that, described source of the gas has two, be respectively air source (1) and zero source of the gas (2), air source (1) connects the first solenoid valve (3), zero source of the gas (2) connects the second solenoid valve (4), first solenoid valve (3) is connected with air photoelectricity harvester (5), air photoelectricity harvester (5) is connected with well heater with the second solenoid valve (4) simultaneously, air pump (8) is by the gas suction pick-up unit (9) after heating, control system comprises processor unit and coupled solenoid valve control module, temperature monitoring module, air pump control module, gaseous state control module, man-machine interface monitoring modular, described air photoelectricity harvester (5) is also connected with processor unit, solenoid valve control module connects two solenoid valves, temperature monitoring module connects two well heaters, air pump control module connects air pump (8), gaseous state control module connects pick-up unit (9), pick-up unit (9) is connected with computer PC (10).
2. a kind of Mercury In The Air accurate detection device according to claim 1, it is characterized in that, the circuit of described air photoelectricity harvester (5) includes oscillatory circuit, negative-feedback circuit, signal amplification circuit, temperature-compensation circuit, current rectifying and wave filtering circuit, signal follow circuit, power circuit and electric wire connecting junction J1, J2, and oscillatory circuit, negative-feedback circuit, signal amplification circuit, temperature-compensation circuit, current rectifying and wave filtering circuit and signal follow circuit include amplifier U2A, U2B, U3D, U3C, U3B, U3A respectively, be connected with the signal input part of electric wire connecting junction J2 after the positive input contact resistance R3 of amplifier U2A, be connected with the reverse input end of amplifier U2B after the output terminal contact resistance R4 of amplifier U2A, the output terminal of amplifier U2B is connected with signal output part with the signal input part of electric wire connecting junction J1 respectively with the reverse input end of U3D, feedback resistance R6 is parallel with between the reverse input end of amplifier U2B and output terminal, be connected with the reverse input end of amplifier U3C after the output terminal contact resistance R9 of amplifier U3D, be connected with the reverse input end of amplifier U3B after the output terminal contact resistance R13 of amplifier U3C, the output terminal of amplifier U3B connects diode D3 successively, resistance R16, be connected with the positive input of amplifier U3A after R17, the output terminal of amplifier U3A is connected with the signal output part of electric wire connecting junction J2.
3. a kind of Mercury In The Air accurate detection device according to claim 1, it is characterized in that, described well heater has two, and primary heater (6) and secondary heater (7) are connected in series.
4. a kind of Mercury In The Air accurate detection device according to claim 1, is characterized in that, man-machine interface monitoring modular is provided with display button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256495.4U CN204575622U (en) | 2015-04-24 | 2015-04-24 | A kind of Mercury In The Air accurate detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256495.4U CN204575622U (en) | 2015-04-24 | 2015-04-24 | A kind of Mercury In The Air accurate detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204575622U true CN204575622U (en) | 2015-08-19 |
Family
ID=53868241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520256495.4U Expired - Fee Related CN204575622U (en) | 2015-04-24 | 2015-04-24 | A kind of Mercury In The Air accurate detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204575622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342133A (en) * | 2018-11-16 | 2019-02-15 | 北京雪迪龙科技股份有限公司 | A kind of mercury on-line monitoring system |
-
2015
- 2015-04-24 CN CN201520256495.4U patent/CN204575622U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342133A (en) * | 2018-11-16 | 2019-02-15 | 北京雪迪龙科技股份有限公司 | A kind of mercury on-line monitoring system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liu et al. | Power station flue gas desulfurization system based on automatic online monitoring platform | |
| CN101294841B (en) | Automatic detecting device and method for measuring tank | |
| CN205643684U (en) | Electric energy meter reliability testing system | |
| CN204575622U (en) | A kind of Mercury In The Air accurate detection device | |
| CN206853166U (en) | Integrated water steam distillation instrument | |
| CN205374562U (en) | Change electric energy meter electric quantity compensation arrangement on line | |
| CN204495486U (en) | The on-the-spot self-checking device of integrative temperature transmitter | |
| CN205787017U (en) | A kind of networked temperature switch automatic calibrator | |
| CN204008629U (en) | A kind of division aspect Mercury In The Air pick-up unit | |
| CN103926070B (en) | Band position feedback type EGR valve response time proving installation | |
| CN202403928U (en) | Online thermal load detection platform | |
| CN202309745U (en) | ZigBee-based intelligent appliance energy-saving control system | |
| CN101424618B (en) | Residual carbon analysis system for infrared CO2 detector | |
| CN206038656U (en) | Removable formula gas detection module | |
| CN107894289A (en) | A kind of high-pressure rubber pipe vulcanizing tank temperature no worker monitor system | |
| CN203824747U (en) | Response time testing device with position feedback EGR valve | |
| CN205644312U (en) | Large -scale vulcanizer temperature control system | |
| CN209146725U (en) | A kind of SF6 gas cylinder heats weighing control system automatically | |
| CN207764677U (en) | A kind of intelligent temperature and humidity control system | |
| CN201021985Y (en) | Electrical accompanied thermal line temperature control system | |
| CN206959364U (en) | A kind of gas heater production regulation detection device | |
| CN206601613U (en) | Fully-automatic intelligent tea packaging machine control system based on PLC | |
| CN201872315U (en) | Hot runner controller | |
| CN220241550U (en) | Experimental glove box | |
| CN202838065U (en) | 30-300 DEG C resistance-heated furnace double-way temperature control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20200424 |