CN201811955U - Car volatile organic compounds (VOC) release amount test environmental chamber - Google Patents
Car volatile organic compounds (VOC) release amount test environmental chamber Download PDFInfo
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- CN201811955U CN201811955U CN2010205699151U CN201020569915U CN201811955U CN 201811955 U CN201811955 U CN 201811955U CN 2010205699151 U CN2010205699151 U CN 2010205699151U CN 201020569915 U CN201020569915 U CN 201020569915U CN 201811955 U CN201811955 U CN 201811955U
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Abstract
The utility model discloses a car volatile organic compounds (VOC) release amount test environmental chamber, which is characterized in that a detection cabin is a box body which is provided with circulating air ducts and is connected with a VOC online detection and a humiture sensor, the circulating air duct is respectively arranged at the top and the bottom of a box body of the detection cabin, the circulating air duct at the top is connected with a humidity adjusting device, and the circulating air duct at the bottom is connected with a filter through a circulating fan unit. Roughly filtered air from an air supply device is connected with an intake filter chamber through a pipeline after passing through an A electromagnetic valve and an A flowmeter and is connected with the circulating air ducts through the pipeline after passing through a B electromagnetic valve and a B flowmeter. The exit of a mixing chamber is connected with a temperature adjusting device and the humidity adjusting device in series in turn through the pipeline. Compared with the prior art, the utility model has the advantages of low internal formaldehyde and VOC background concentration, high temperature, humidity and background control speed needed by ready condition, small temperature and humidity fluctuation extent, high automation integration level, more objective and accurate test data and is convenient to operate.
Description
Technical field
The utility model relates to quality analysis and environmental protection tests technical field, specifically a kind of automobile VOC burst size test environment case that is used to detect interior volatile organic matter of automobile and keto-aldehyde class material.
Background technology
The Domestic Automotive Industry development is swift and violent, decoration to automobile is also more paid attention to, the automobile decoration material that provides in the market mostly is chemosynthesis greatly, because the quality of material is very different, more or less all can discharge some harmful volatile organic compounds matter such as benzene, formaldehyde etc., influence the healthy of people.Raising along with living standards of the people, environmental quality to life is more and more paid attention to, especially the automobile environment-protection quality after decorating is more paid attention to, and the domestic automobile VOC burst size test environment case that does not also have now according to " volatile organic matter and aldoketones material sampling determination method in the HJ/T400-2007 car " foundation.
The utility model content
The purpose of this utility model is a kind of automobile VOC burst size test environment case that designs at the deficiencies in the prior art, it is provided with circulation air path and auxiliary warm, humidity control system in detecting the cabin, the detected temperatures fluctuation is less, the data that detect are accurate, adopt advanced VOC filtering technique simultaneously, guaranteed the requirement of test chamber VOC background concentration, thereby the automotive environment quality of censorship has been made more accurate objective evaluation.
The concrete technical scheme that realizes the utility model purpose is: a kind of automobile VOC burst size test environment case, the detection cabin and the feeder that comprise the peripheral hardware heat-insulation layer, being characterized in detecting the cabin is to be provided with circulation air path and the casing that is connected the online detection of VOC, Temperature Humidity Sensor, circulation air path is arranged on top and the bottom of detecting the cabin casing, the circulation air path at its top is connected with humidity control apparatus, and the circulation air path of bottom is connected with the circulating air decontamination chamber of filtration unit through the recirculating air unit; Filtration unit top is for replenishing the inlet air filtration chamber, and the bottom is the circulating air decontamination chamber, and its middle part is a mixing chamber; Feeder is connected by pipeline the air one tunnel of coarse filtration behind A solenoid valve, A flowmeter with additional inlet air filtration chamber, another road is connected with the circulation air path that detects the top, cabin by pipeline behind B solenoid valve, B flowmeter; Mixing chamber outlet is connected in series with temperature control equipment and humidity control apparatus successively by pipeline.
Be provided with strainer filter before the described feeder.
On the circulation air path in the described test storehouse air vent is set evenly.
Described detection cabin is provided with pressure equaliser.
Described humidity control apparatus, temperature control equipment, pressure equaliser and Temperature Humidity Sensor are realized programming Control by the PLC controller.
It is low that the utility model compared with prior art has in the cabin control of formaldehyde and VOC background concentration, the needed temperature of standby condition, humidity and background control rate are fast, the temperature and humidity fluctuating range is little, robotization integrated level height, easy to operate, and test data is more objective, correct.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Above-mentioned humidity control apparatus 11, temperature control equipment 12, pressure equaliser 16 and Temperature Humidity Sensor 17 are realized programming Control by the PLC controller.
Below will be further elaborated the utility model by specific embodiment:
The utility model is to the detection of indoor volatile organic matter of automobile and keto-aldehyde class material burst size, and following step is pressed in its concrete operations:
A, cleaning
Being examined vehicle enters in the detection cabin 19, kill engine and also door and window are all opened, remove car inner member surface covering (dispatching from the factory as automobile is protection carpet, seat plastic sheeting), close then and detect cabin 19, open the PLC controller power source, the touch screen function of controller is provided with cleaning model: close recirculating air unit 15, A solenoid valve 4, humidity control apparatus 11 and temperature control equipment 12 simultaneously automatically; The feeder 2 of controller opens air supply system brings into operation, open B solenoid valve 3 on the pipe blow-through simultaneously, B flowmeter 5 is adjusted to opens the pressure equaliser 16 that detects cabin 19 automatically after setting flow, clean detection cabin 19 casing intrinsic motivations discharging tail gas and other object and discharge VOC, after excessive flow cleaning, the VOC of parking rear engine and the generation of other parts is discharged detection cabin 19, the ventilation volume of its big flow cleaning for 10 ~ 30 times of the volumes that detect cabin 19 per hour, finish cleaning model by the relatively stable back of VOC concentration change that online detection 14 monitorings of VOC detect in the cabins 19.
B, temp and humidity regulator start operation
Through a large amount of ventilations back detect VOC numerical value in the cabins 19 tend towards stability or reach set numerical value and require after, close B solenoid valve 3 end cleaning models on the pipe blow-through, the touch screen function of controller is set to operational mode: the air demand of regulating feeder 2 then, open the A solenoid valve 4 that replenishes on the inlet channel, and regulate A flowmeter 6 to setting flow (keeping detecting cabin 19 malleations), open temperature control equipment 12 and humidity control apparatus 11 then, and by PLC control temperature control equipment 12 and humidity control apparatus 11, open circulating fan 15 simultaneously, circulation air path 18 will regulate the air of temperature and humidity and send into detection cabin 19, the air vent of the circulation air path 18 evenly top in the cabin blows to casing, and the air vent of the circulation air path 18 by bottom half through recirculating air unit 15 with the cabin in air discharge and detect cabin 19, the circulating air of discharging is sent into the circulating air decontamination chamber 9 of filtration unit 23 bottoms by recirculating air unit 15, and circulating air decontamination chamber 9 will enter airborne VOC and remove the back and obtain clean gas and enter mixing chamber 7; Feeder 2 will be through the air of coarse filtration through A solenoid valve 4 through preposition strainer filter 1, enter behind the A flowmeter 6 and replenish inlet air filtration chamber 8, filtered additional air with deliver to temperature control equipment 12 after the circulating air of removing VOC mixes in mixing chamber 7, after the regulation and control of temperature control equipment 12 and humidity control apparatus 11, mixing air is evenly sent in the detection cabin 19 from the cabin inner top by the air vent of the circulation air path 18 at casing top, just can detect in real time and analyze in the online detection 14 of four hours requirement back VOC of " volatile organic matter and aldoketones material sample mode in the HJ/T400-2007 car " standard up to detecting cabin 19 homeostasis, detect and finish back end operational mode and closing device.
C, operation control
, the mensuration stage: detect ambient stable in the cabin 19 after 4 hours, closed door window and B solenoid valve 3, the air demand of regulating feeder 2 is opened and is replenished the A solenoid valve 4 on the inlet channel and regulate A flowmeter 6 to setting flow (keeping detecting cabin 19 malleations); Open humidity control apparatus 11, temperature control equipment 12 and recirculating air unit 15 and regulate the round-robin wind speed, assurance detects temperature, relative humidity, formaldehyde and VOC background concentration and the circulation wind speed satisfied test conditions needed value in the cabin 19 and kept 16 hours; Detect temperature, relative humidity, circulation wind speed, formaldehyde and VOC background concentration and the atmospheric pressure numerical value in cabin 19 by PLC control system record.
Environment temperature: 25.0 ℃ ± 1.0 ℃;
Envionmental humidity: 50% ± 10%;
Ambient windstream speed≤0.3m/s;
Environmental contaminants background concentration value: toluene≤0.02mg/m3, formaldehyde≤0.02mg/m3.
Claims (5)
1. automobile VOC burst size test environment case, the detection cabin (19) and the feeder (2) that comprise peripheral hardware heat-insulation layer (21), it is characterized in that detecting cabin (19) for being provided with circulation air path (18) and being connected the online detection of VOC (14), the casing of Temperature Humidity Sensor (17), circulation air path (18) is arranged on top and the bottom of detecting cabin (19) casing, the circulation air path at its top (18) is connected with humidity control apparatus (11), and the circulation air path of bottom (18) is connected with the circulating air decontamination chamber (9) of filtration unit (23) through recirculating air unit (15); Filtration unit (23) top is for replenishing inlet air filtration chamber (8), and the bottom is circulating air decontamination chamber (9), and its middle part is mixing chamber (7); Feeder (2) is connected by pipeline the air one tunnel of coarse filtration behind A solenoid valve (4), A flowmeter (6) with additional inlet air filtration chamber (8), another road is connected with the circulation air path (18) that detects top, cabin (19) by pipeline behind B solenoid valve (3), B flowmeter (5); Mixing chamber (7) outlet is connected in series with temperature control equipment (12) and humidity control apparatus (11) successively by pipeline.
2. according to the described automobile VOC of claim 1 burst size test environment case, it is characterized in that the preceding strainer filter (1) that is provided with of described feeder (2).
3. according to the described automobile VOC of claim 1 burst size test environment case, it is characterized in that on the circulation air path (18) in the described test chamber (19) air vent being set evenly.
4. according to the described automobile VOC of claim 1 burst size test environment case, it is characterized in that described detection cabin (19) is provided with pressure equaliser (16).
5. according to the described automobile VOC of claim 1 burst size test environment case, it is characterized in that described humidity control apparatus (11), temperature control equipment (12), pressure equaliser (16) and Temperature Humidity Sensor (17) are by PLC controller realization programming Control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205699151U CN201811955U (en) | 2010-10-21 | 2010-10-21 | Car volatile organic compounds (VOC) release amount test environmental chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205699151U CN201811955U (en) | 2010-10-21 | 2010-10-21 | Car volatile organic compounds (VOC) release amount test environmental chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201811955U true CN201811955U (en) | 2011-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205699151U Expired - Fee Related CN201811955U (en) | 2010-10-21 | 2010-10-21 | Car volatile organic compounds (VOC) release amount test environmental chamber |
Country Status (1)
| Country | Link |
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| CN (1) | CN201811955U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181015A (en) * | 2014-08-22 | 2014-12-03 | 上海延锋江森座椅有限公司 | Novel automatic sampling system used in bag method |
| CN104614206A (en) * | 2015-02-09 | 2015-05-13 | 通标标准技术服务(上海)有限公司 | VOC finished vehicle environment sampling cabin and testing method thereof |
| CN104764858A (en) * | 2015-04-10 | 2015-07-08 | 北京汽车股份有限公司 | Peculiar smell source detection cabin and vehicle peculiar smell source detection method |
| CN106093311A (en) * | 2016-08-08 | 2016-11-09 | 北京市产品质量监督检验院 | Abnormal smells from the patient, VOC and floating harmful substance test device |
| CN106248880A (en) * | 2016-08-08 | 2016-12-21 | 东莞市升微机电设备科技有限公司 | There is the abnormal smells from the patient of External Circulation Filtration Apparatus, VOC and floating harmful substance detection cabin |
| CN106769239A (en) * | 2016-12-05 | 2017-05-31 | 北京汽车研究总院有限公司 | A kind of gas accommodating device and vehicle |
| CN107941570A (en) * | 2017-12-30 | 2018-04-20 | 武汉博富通试验设备有限公司 | Vehicle VOC samples cabin automatically |
| CN108195636A (en) * | 2017-12-30 | 2018-06-22 | 武汉博富通试验设备有限公司 | Vehicle VOC samples cabin |
| CN108195634A (en) * | 2017-12-11 | 2018-06-22 | 北京汽车研究总院有限公司 | VOC sampler bag aging methods |
| CN108535424A (en) * | 2018-07-10 | 2018-09-14 | 重庆威尔震昌科技股份有限公司 | A kind of test specimen VOC discharges the removal system of amount detecting device and formaldehyde in air |
| CN108593365A (en) * | 2017-12-30 | 2018-09-28 | 武汉博富通试验设备有限公司 | Vehicle VOC samples cabin |
| RU2767152C2 (en) * | 2017-12-08 | 2022-03-16 | Дунгуань Сити Симплвел Текнолоджи Ко., Лтд | Chamber for formaldehyde or voc release testing and pretreatment |
-
2010
- 2010-10-21 CN CN2010205699151U patent/CN201811955U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181015B (en) * | 2014-08-22 | 2016-06-29 | 上海延锋江森座椅有限公司 | A kind of novel sack method adopts system automatically |
| CN104181015A (en) * | 2014-08-22 | 2014-12-03 | 上海延锋江森座椅有限公司 | Novel automatic sampling system used in bag method |
| CN104614206A (en) * | 2015-02-09 | 2015-05-13 | 通标标准技术服务(上海)有限公司 | VOC finished vehicle environment sampling cabin and testing method thereof |
| CN104764858A (en) * | 2015-04-10 | 2015-07-08 | 北京汽车股份有限公司 | Peculiar smell source detection cabin and vehicle peculiar smell source detection method |
| CN104764858B (en) * | 2015-04-10 | 2016-08-24 | 北京汽车股份有限公司 | Sources of odor detection cabin and automobile sources of odor detection method |
| CN106248880B (en) * | 2016-08-08 | 2018-09-28 | 东莞市升微机电设备科技有限公司 | Smell, VOC and floating harmful substance with External Circulation Filtration Apparatus detect cabin |
| CN106093311A (en) * | 2016-08-08 | 2016-11-09 | 北京市产品质量监督检验院 | Abnormal smells from the patient, VOC and floating harmful substance test device |
| CN106248880A (en) * | 2016-08-08 | 2016-12-21 | 东莞市升微机电设备科技有限公司 | There is the abnormal smells from the patient of External Circulation Filtration Apparatus, VOC and floating harmful substance detection cabin |
| CN106093311B (en) * | 2016-08-08 | 2019-03-19 | 北京市产品质量监督检验院 | Smell, VOC and floating harmful substance test device |
| CN106769239A (en) * | 2016-12-05 | 2017-05-31 | 北京汽车研究总院有限公司 | A kind of gas accommodating device and vehicle |
| RU2767152C2 (en) * | 2017-12-08 | 2022-03-16 | Дунгуань Сити Симплвел Текнолоджи Ко., Лтд | Chamber for formaldehyde or voc release testing and pretreatment |
| CN108195634A (en) * | 2017-12-11 | 2018-06-22 | 北京汽车研究总院有限公司 | VOC sampler bag aging methods |
| CN107941570A (en) * | 2017-12-30 | 2018-04-20 | 武汉博富通试验设备有限公司 | Vehicle VOC samples cabin automatically |
| CN108593365A (en) * | 2017-12-30 | 2018-09-28 | 武汉博富通试验设备有限公司 | Vehicle VOC samples cabin |
| CN108195636A (en) * | 2017-12-30 | 2018-06-22 | 武汉博富通试验设备有限公司 | Vehicle VOC samples cabin |
| CN108535424A (en) * | 2018-07-10 | 2018-09-14 | 重庆威尔震昌科技股份有限公司 | A kind of test specimen VOC discharges the removal system of amount detecting device and formaldehyde in air |
| CN108535424B (en) * | 2018-07-10 | 2023-12-29 | 重庆威尔震昌科技股份有限公司 | Test piece VOC release detection device and system for removing formaldehyde in air |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20131021 |