CN204479561U - A kind of passive type air sampling monitoring device - Google Patents
A kind of passive type air sampling monitoring device Download PDFInfo
- Publication number
- CN204479561U CN204479561U CN201520203120.1U CN201520203120U CN204479561U CN 204479561 U CN204479561 U CN 204479561U CN 201520203120 U CN201520203120 U CN 201520203120U CN 204479561 U CN204479561 U CN 204479561U
- Authority
- CN
- China
- Prior art keywords
- measurement channel
- passive type
- type air
- sensor
- measurement
- 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 passive type air sampling monitoring device, comprise the first Measurement channel, second Measurement channel, passive type air sampler and processor, described first Measurement channel and the second Measurement channel install phase the same side on the device housing, passive type air sampler is installed relative and both sides on the device housing and is measured the side of passage, and described two Measurement channel and passive type air sampler are connected in device case inside, first Measurement channel is provided with PM2.5 sensor, humidity compensate sensor and the first solenoid valve, on described PM2.5 sensor and the humidity compensate sensor setting measurement chamber in the middle part of the first Measurement channel, first solenoid valve is arranged on the outlet side in described measurement chamber, this device is provided with two Measurement channel and carries out the measurement of PM2.5 and the measurement of TVOC respectively, measure comprehensively, and form continuous flow carry out air monitering by being arranged in device of passive type air sampler, by miniature sliding vane rotary pump subband moving air flow, realize Real-Time Monitoring.
Description
Technical field
The utility model relates to air monitoring device, specifically a kind of passive type air sampling monitoring device.
Background technology
General active air sampling thief device, by asepwirator pump and air-flow measurement device, within the regular hour, the air sample of certain volume is passed through the absorbing medium in gatherer, gas pollutant is concentrated in absorbing medium, and reach the object of concentrated sampling.The TVOC concentration that just can detect in detected surrounding air is used in conjunction with instruments such as gas chromatographs, active sampling thief is expensive, must be operated by professional testing staff, so labour cost, depreciation of equipment and transportation expenses just make testing cost be difficult to significantly lower, and can not Real-Time Monitoring be accomplished, high measurement accuracy or raising sampling efficiency have to be hoisted.
Utility model content
The purpose of this utility model is to provide a kind of passive type air sampling monitoring 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 passive type air sampling monitoring device, comprise the first Measurement channel, second Measurement channel, passive type air sampler and processor, described first Measurement channel and the second Measurement channel install phase the same side on the device housing, passive type air sampler is installed relative and both sides on the device housing and is measured the side of passage, and described two Measurement channel and passive type air sampler are connected in device case inside, first Measurement channel is provided with PM2.5 sensor, humidity compensate sensor and the first solenoid valve, on described PM2.5 sensor and the humidity compensate sensor setting measurement chamber in the middle part of the first Measurement channel, first solenoid valve is arranged on the outlet side in described measurement chamber, described PM2.5 sensor, humidity compensate sensor are connected the processor that enclosure interior is arranged with the first solenoid valve signal, second Measurement channel is provided with TVOC sensor and the second solenoid valve, on the measurement chamber of described TVOC sensor setting in the middle part of the second Measurement channel, described second solenoid valve is arranged on the outlet side in described measurement chamber, described TVOC sensor and the second solenoid valve signal connection handling device, passive type air sampler is provided with miniature sliding vane rotary pump, described passive type air sampler comprises adsorbent, medicament cage and pedestal, described pedestal is fixed with air duct, described adsorbent and medicament cage are all arranged in air duct, above medicament cage, be provided with well heater, well heater is connected with the sheet that is electrically connected, described in the sheet that is electrically connected be connected with processor signal, medicament cage is provided with stopper, is provided with the boss installed for medicament cage at seat surface, in device case, be also provided with communication module, temperature sensor, temperature controller and power supply, temperature sensor and temperature controller connection handling device respectively, temperature sensor is arranged on separately in housing, and power supply is connected with outside civil power.
As further program of the utility model: described processor is single-chip microcomputer.
As the utility model further scheme: described medicament cage is cylindrical structural.
As the utility model further scheme: described temperature controller comprises control circuit and fan, described control circuit is connected with processor signal.
Compared with prior art, the beneficial effects of the utility model are: this device is provided with two Measurement channel and carries out the measurement of PM2.5 and the measurement of TVOC respectively, measure comprehensively, and form continuous flow carry out air monitering by being arranged in device of passive type air sampler, by miniature sliding vane rotary pump subband moving air flow, realize Real-Time Monitoring.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of passive type air sampler in the utility model.
1-first Measurement channel in figure, 2-second Measurement channel, 3-passive type air sampler, 31-adsorbent, 32-medicament cage, 33-stopper, 34-pedestal, 35-boss, 36-well heater, 37-air duct, 38-is electrically connected sheet, 4-PM2.5 sensor, 5-TVOC sensor, 6-humidity compensate sensor, 7-first solenoid valve, 8-second solenoid valve, the miniature sliding vane rotary pump of 9-, 10-processor, 11-communication module, 12-temperature controller, 13-temperature sensor, 14-power supply.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 2, in the utility model embodiment, a kind of passive type air sampling monitoring device, comprise the first Measurement channel 1, second Measurement channel 2, passive type air sampler 3 and processor 10, described first Measurement channel 1 and the second Measurement channel 2 install phase the same side on the device housing, passive type air sampler 3 is installed relative and both sides on the device housing and is measured the side of passage, and described two Measurement channel and passive type air sampler 3 are connected in device case inside, first Measurement channel 1 is provided with PM2.5 sensor 4, humidity compensate sensor 6 and the first solenoid valve 7, described PM2.5 sensor 4 and humidity compensate sensor 6 are arranged on the measurement chamber in the middle part of the first Measurement channel 1, first solenoid valve 7 is arranged on the outlet side in described measurement chamber, described PM2.5 sensor 4 measures chamber for being arranged in by an infrarede emitting diode and phototransistor diagonal angle, can detect that aerial dust is reflective with the measurement carrying out fine particle concentration, can measure PM2.5 fast accurately, simultaneously due to PM2.5, to be subject to humidity effect error larger, humidity compensate sensor 6 is as metrophia compensation, improve the degree of accuracy measured, described PM2.5 sensor 4, humidity compensate sensor 6 are connected the processor 10 that enclosure interior is arranged with the first solenoid valve 7 signal, described processor 10 is single-chip microcomputer, second Measurement channel 2 is provided with TVOC sensor 5 and the second solenoid valve 8, described TVOC sensor 5 is arranged on the measurement chamber in the middle part of the second Measurement channel 2, described second solenoid valve 8 is arranged on the outlet side in described measurement chamber, the gas sensitive that TVOC sensor 5 uses is the tin ash that conductivity is lower in clean air, when there is dusty gas in the environment described in TVOC sensor 5, the conductivity of sensor increases along with the concentration increase of dusty gas in air, and the change of conductivity is converted to this gas concentration relative to output signal, described TVOC sensor 5 and the second solenoid valve 8 signal connection handling device 10, passive type air sampler 3 is provided with miniature sliding vane rotary pump 9, described passive type air sampler 3 comprises adsorbent 31, medicament cage 32 and pedestal 34, described pedestal 34 is fixed with air duct 37, described adsorbent 31 and medicament cage 32 are all arranged in air duct 37, described medicament cage 32 is cylindrical structural, well heater 36 is provided with above medicament cage 32, well heater 36 is connected with the sheet 38 that is electrically connected, the described sheet 38 that is electrically connected is connected with processor 10 signal, medicament cage 32 is provided with stopper 33, so that the filling of adsorbent 31 and removal and medicament cage 32 are fixed on the installation of pedestal 34, the boss 35 installed for medicament cage 32 is provided with on pedestal 34 surface, when well heater 36 is energized, the air heat in air duct 37, hot-air rises, cold air passes through the first Measurement channel 1 and the second Measurement channel 2 access to plant internal measurement by device outside, supplement the hot-air of bleeder, form continuous print air-flow when well heater 36 works, convenient monitoring,
Communication module 11, temperature sensor 13, temperature controller 12 and power supply 14 is also provided with in device case, temperature sensor 13 and temperature controller 12 connection handling device 10 respectively, temperature sensor 13 is arranged on separately in housing, pick-up unit internal electron original paper working temperature situation, temperature controller 12 comprises control circuit and fan, and described control circuit is connected with processor 10 signal, controls the opening and closing of fan, power supply 14 is connected with outside civil power, and provides electric energy to electrical equipment original paper each in device.
Principle of work of the present utility model is: this device is provided with two Measurement channel and carries out the measurement of PM2.5 and the measurement of TVOC respectively, measure comprehensively, and form continuous flow carry out air monitering by being arranged in device of passive type air sampler 3, by miniature sliding vane rotary pump 9 subband moving air flow, realize Real-Time Monitoring.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should by instructions integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (4)
1. a passive type air sampling monitoring device, comprise the first Measurement channel, second Measurement channel, passive type air sampler and processor, it is characterized in that, described first Measurement channel and the second Measurement channel install phase the same side on the device housing, passive type air sampler install on the device housing relatively with the side of two Measurement channel, and described two Measurement channel and passive type air sampler are connected in device case inside, first Measurement channel is provided with PM2.5 sensor, humidity compensate sensor and the first solenoid valve, on described PM2.5 sensor and the humidity compensate sensor setting measurement chamber in the middle part of the first Measurement channel, first solenoid valve is arranged on the outlet side in described measurement chamber, described PM2.5 sensor, humidity compensate sensor are connected the processor that enclosure interior is arranged with the first solenoid valve signal, second Measurement channel is provided with TVOC sensor and the second solenoid valve, on the measurement chamber of described TVOC sensor setting in the middle part of the second Measurement channel, described second solenoid valve is arranged on the outlet side in described measurement chamber, described TVOC sensor and the second solenoid valve signal connection handling device, passive type air sampler is provided with miniature sliding vane rotary pump, described passive type air sampler comprises adsorbent, medicament cage and pedestal, described pedestal is fixed with air duct, described adsorbent and medicament cage are all arranged in air duct, above medicament cage, be provided with well heater, well heater is connected with the sheet that is electrically connected, described in the sheet that is electrically connected be connected with processor signal, medicament cage is provided with stopper, is provided with the boss installed for medicament cage at seat surface, in device case, be also provided with communication module, temperature sensor, temperature controller and power supply, temperature sensor and temperature controller connection handling device respectively, temperature sensor is arranged on separately in housing, and power supply is connected with outside civil power.
2. a kind of passive type air sampling monitoring device according to claim 1, it is characterized in that, described processor is single-chip microcomputer.
3. a kind of passive type air sampling monitoring device according to claim 1, it is characterized in that, described medicament cage is cylindrical structural.
4. a kind of passive type air sampling monitoring device according to claim 1, it is characterized in that, described temperature controller comprises control circuit and fan, and described control circuit is connected with processor signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520203120.1U CN204479561U (en) | 2015-04-07 | 2015-04-07 | A kind of passive type air sampling monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520203120.1U CN204479561U (en) | 2015-04-07 | 2015-04-07 | A kind of passive type air sampling monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204479561U true CN204479561U (en) | 2015-07-15 |
Family
ID=53635348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520203120.1U Expired - Fee Related CN204479561U (en) | 2015-04-07 | 2015-04-07 | A kind of passive type air sampling monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204479561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158032A (en) * | 2015-10-19 | 2015-12-16 | 北京大学 | Diffusion acceleration type atmosphere sampling device |
-
2015
- 2015-04-07 CN CN201520203120.1U patent/CN204479561U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158032A (en) * | 2015-10-19 | 2015-12-16 | 北京大学 | Diffusion acceleration type atmosphere sampling device |
| CN105158032B (en) * | 2015-10-19 | 2017-10-03 | 北京大学 | Accelerate diffusion atmosphere sampling apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203941150U (en) | A kind of novel portable binary channels air quality monitor | |
| CN205607971U (en) | Air quality detector | |
| CN204693738U (en) | Air conditioner with separate hot pump actual motion energy efficiency detection system | |
| CN203672855U (en) | Portable air quality detecting instrument based on T-shaped channel | |
| CN103292835A (en) | Comprehensive detection simulation experiment device for fire detection performance | |
| CN105445158A (en) | High-accuracy real-time online detecting instrument for atmospheric pollution | |
| CN104849167A (en) | Device for detecting isothermal adsorption and desorption of moisture of tobacco slice or cut tobacco biomass | |
| CN205229017U (en) | Weather -proof testing machine of xenon lamp | |
| CN204479369U (en) | A kind of air pre-test surveys sample collection device | |
| CN110320331A (en) | A kind of Atmosphere Environment Monitoring System Bases | |
| CN204479561U (en) | A kind of passive type air sampling monitoring device | |
| CN103115999B (en) | Gas-solid phase photocatalytic reaction effect detection device and method with controllable influence factor change | |
| CN203287230U (en) | Constant-current constant-temperature multi-path air sampler | |
| CN205910162U (en) | Air quality monitoring equipment | |
| CN204360250U (en) | Microenvironment regulation and control system shown by cultural relics in the collection of cultural institution | |
| CN206002406U (en) | A kind of device for detecting particulate in air concentration | |
| CN203164108U (en) | Gas-solid phase photocatalysis circular reaction effect detection device | |
| CN202093077U (en) | Humidity influence eliminating device | |
| CN204064612U (en) | LED heat dispersion pick-up unit | |
| CN209151097U (en) | Detection device | |
| CN201548510U (en) | Air quality monitoring device | |
| CN203551444U (en) | Automatic replacement device for smoke concentration capacitive sensor | |
| CN203224122U (en) | Intelligent drying oven allowing heating media to be selected | |
| CN204346770U (en) | Constant current temperature control atmosphere sampler | |
| CN201425618Y (en) | Thermostat used for testing lithium iron phosphate material |
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 |
Granted publication date: 20150715 Termination date: 20210407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |