CN207866781U - A kind of harmful substance test device with inner air circulator - Google Patents
A kind of harmful substance test device with inner air circulator Download PDFInfo
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- CN207866781U CN207866781U CN201721676095.4U CN201721676095U CN207866781U CN 207866781 U CN207866781 U CN 207866781U CN 201721676095 U CN201721676095 U CN 201721676095U CN 207866781 U CN207866781 U CN 207866781U
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Abstract
The utility model discloses a kind of harmful substance test device with inner air circulator, including a nacelle, nacelle is equipped with the inner air circulator for simulated interior air circulation；Can simulated vehicle or indoor internal gas circulating system, avoid the component environment factor from interfering influences, raising measuring accuracy to test structure；The fragrant atmosphere feeder of fragrant atmosphere test, after carrying out simulated vehicle, indoor location perfume (or spice) atmosphere, perception test of the human body to environment can be further equipped with；Make the test device functional diversities；Can realize nacelle open in ventilation/inside circulated air/it is closed lower to gas sampling, the burst size of the volatile harmful gases such as the formaldehyde, the VOC that are volatilized in testee is detected, again after energy simulated vehicle, indoor location perfume (or spice) atmosphere, perception test of the human body to environment, simulated environment diversification, it is strong to simulate element controllability, environmental factor or uncertain factor is avoided to interfere influence to test result, measuring accuracy is high.
Description
Technical field
The utility model belongs to volatile organic matter test equipment technical field, is to be related to one kind to have more specifically
The harmful substance test device of inner air circulator has for testing the fragrant atmosphere in gas, smell, VOC and other floatings
The assessment and test of evil substance.
Background technology
The volatility such as formaldehyde, volatile organic matter (VOC) present in the meeting of the materials such as existing furniture, Automobile Products have
Evil gas, if when the concentration of volatile harmful gase is more than certain range, it can do harm to huamn body.Reasonably collect bed
The volatile harmful gases such as formaldehyde, VOC in pad are one of important links of detection technique.
Currently, industrial, also there are many systems that the volatile harmful gases such as PARA FORMALDEHYDE PRILLS(91,95), VOC carry out sample detecting, still
Existing detecting system has the following disadvantages：
(1) detecting system is tested in common environment, temperature, humidity and the composition of air of ambient enviroment and dense
The environmental factors such as degree can have an impact the precision of test；
(2) when testing, pollution air original in test chamber body is not discharged in advance for the test nacelle of the detecting system,
The volatile harmful gases such as formaldehyde, the VOC that testee evaporates are caused to be mixed with pollution air original in test chamber body,
Affect the precision of test；
(3) when sampling, after the exhaust check valve in the test nacelle of the detecting system is opened, the gas meeting in test chamber body
Discharge, causes the air pressure in test chamber body to reduce, and the air meeting draught head in ambient enviroment enters in test chamber body at this time, influences
The precision of test.
(4) it is conventionally used to the system that the volatile harmful gases such as PARA FORMALDEHYDE PRILLS(91,95), VOC carry out sample detecting, it cannot be first to test
Gas in nacelle is purified, and the volatile harmful gases such as remaining formaldehyde, VOC can influence to detect in gas in test chamber body
Precision.
Meanwhile existing test device function is more single, after simulated vehicle, indoor location perfume (or spice) atmosphere can not be carried out,
Perception test of the human body to environment.
There are one changed inside and outside internal gas circulation system and one for vehicle interior or indoor gas system itself tool
The ventilation system of gas；And existing test device, i.e., the setting of no simulated vehicle internal gas circulation system；Do not have yet
Simulate the setting of ventilating system；It has a certain impact to simulating the measuring accuracy for being located at and being tested under these specific environments.
Invention content
In order to overcome the shortcomings of the prior art, the utility model provides a kind of with inner air circulator
The circulating system of harmful substance test device, simulated vehicle or indoor internal gas, avoids the component environment factor pair
Test result interferes influence, improves measuring accuracy.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of harmful substance test device with inner air circulator, including a nacelle, the nacelle are equipped with
At least one odor thief hatch, the nacelle are equipped with the inner air circulator for simulated interior air circulation.
Preferably, the inner air circulator includes inner air circulating line, internally positioned air circulating umbilical
Recycle stream gauge or circular flow controller on road and internal circulating fan；Distinguish at the both ends of the inner air circulating line
It is connected on the different location of nacelle, the both ends of the inner air circulating line are equipped with control valve；The recycle stream gauge
Or the internally positioned circulating fan of circular flow controller is front or rear.
Preferably, the nacelle is equipped with the fragrant atmosphere feeder for fragrant atmosphere test.
Preferably, the fragrant atmosphere feeder includes fragrant atmosphere generator and control valve.
Preferably, the nacelle is additionally provided with External Circulation Filtration Apparatus, and the External Circulation Filtration Apparatus includes and phase in nacelle
The outer circulation pipeline of connection installs the 4th switch valve, circulating fan and filter device on outer circulation pipeline.
Preferably, the nacelle at least one side is glass structure, and infrared heating device is provided with outside the glass structure
Or sunlight lamp.
Preferably, the nacelle be connected in gas sampling process to nacelle inside carry out gas volume compensation from
And prevent the polluted gas outside nacelle from entering the gas compensation device in nacelle because of draught head.
Preferably, the inner wall of the nacelle is equipped with the anti-absorbent coating for preventing volatile organic matter from adsorbing；The cabin
It is equipped with stirring wind turbine in vivo, the stirring wind turbine is connect with the motor driven being installed in the nacelle, and the nacelle is equipped with
Hatch door, the inside of the nacelle or outer wall are equipped with heating and temperature controlling device and/or refrigeration register；Examination is installed in the nacelle
Part holder or hook；The nacelle is mounted in constant temperature and/or constant-humidity clean room or nacelle exterior design insulating layer.
Preferably, the nacelle is connected with the air interchanger for simulating external ventilation.
Preferably, the air interchanger includes to be connected to the ventilation admission line being connected to inside nacelle and with nacelle inside
Ventilation discharge duct, the ventilation admission line or the ventilation discharge duct are equipped with ventilating fan；It is described take a breath into
Feed channel and/or the ventilation discharge duct are equipped with ventilation flowmeter or ventilation flow controller；The ventilation admission line
It is equipped with control valve on the ventilation discharge duct.
Compared with prior art, the utility model has the beneficial effects that：
1, the nacelle of the utility model is equipped with the inner air circulator for simulated interior air circulation, can simulate friendship
The circulating system of logical tool or indoor internal gas, avoids the component environment factor from interfering influence to test structure, carries
High measuring accuracy.
2, the nacelle of the utility model is equipped with the fragrant atmosphere feeder of fragrant atmosphere test so that the test device not only can be to quilt
The burst size of the volatile hazardous substances gas such as formaldehyde, VOC that test object volatilizes in specific environment is tested, moreover it is possible to
After carrying out simulated vehicle, indoor location perfume (or spice) atmosphere, perception test of the human body to environment；Make the test device functional diversities,
So that the application range of test device is wider.
3, the nacelle is provided with External Circulation Filtration Apparatus, before detection, first starts External Circulation Filtration Apparatus to residual in nacelle
The volatile organic matters such as the fragrant atmosphere, formaldehyde, the VOC that stay are purified, and measuring accuracy is improved.
4, the utility model is used is designed as glass structure by nacelle at least one side, is provided with outside the glass structure infrared
Line heating device or sunlight lamp, to in nacelle temperature or intensity of illumination control, product can be detected in illumination
Under the conditions of the volatile organic matters such as fragrant atmosphere, formaldehyde, VOC situation of change.
5, External Circulation Filtration Apparatus of the utility model outside nacelle before detection, first starts External Circulation Filtration Apparatus pair
The volatile organic matters such as remaining formaldehyde, VOC are purified in nacelle, improve measuring accuracy.
6, the gas compensation device of the utility model can during gas sampling is extracted to nacelle inside into promoting the circulation of qi
Body cubage compensation avoids environmental factor or other from not knowing to prevent the polluted gas outside nacelle from entering nacelle because of draught head
Influence of the factor to test result, improves measuring accuracy.
7, the utility model is additionally provided with air interchanger, can simulate under special environment condition, such as the interior environment of the vehicles
The phenomenon that generating convection current with outdoor air under lower or indoor environment, makes simulation more actualization, controllableization avoid environmental factor
Or influence of other uncertain factors to test result, improve measuring accuracy.
In conclusion the utility model can realize that nacelle is opened in ventilation/inside circulated air/closed lower adopted to gas
Sample is detected the burst size of the volatile harmful gases such as the formaldehyde, the VOC that are volatilized in testee, and can simulate traffic
After tool, indoor location perfume (or spice) atmosphere, human body is to the perception test of environment, simulated environment diversification, and simulated environment condition controllability
By force, which avoids environmental factor or other uncertain factors from interfering influence to test result, and stability is good, measuring accuracy
It is high.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is a kind of harmful substance test with inner air circulator described in the utility model embodiment 1
The structural schematic diagram of device；
Fig. 2 is a kind of harmful substance test with inner air circulator described in the utility model embodiment 2
The structural schematic diagram of device；
Fig. 3 is a kind of harmful substance test with inner air circulator described in the utility model embodiment 3
The structural schematic diagram of device.
Specific implementation mode
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
Embodiment 1
A kind of harmful substance test device with inner air circulator as shown in Figure 1, including a nacelle 1, institute
It states nacelle 1 and is equipped at least one odor thief hatch 5, the nacelle 1 is equipped with the inner air for simulated interior air circulation
Circulator 11.
In the present embodiment, the inner air circulator 11 includes inner air circulating line 111, internally positioned sky
Recycle stream gauge or circular flow controller 113 on gas circulating line 111 and internal circulating fan 114；The inner air
The both ends of circulating line 111 are connected on the different location of nacelle 1, and the both ends of the inner air circulating line 111 are equal
Equipped with control valve 112；The front end of 113 internally positioned circulating fan 114 of the recycle stream gauge or circular flow controller or after
End.
The control valve 112 for opening 111 both ends of inner air circulating line makes internal circulating fan 114 work, you can with
The gas inside nacelle 1 is set to start the cycle over flowing, to simulate the harmful substance or fragrant atmosphere, smell, VOC in internal gas
Deng a situation of change in flowing gas；It is controllable flow rate by controlling control valve 112 or internal circulating fan 114
The size of wind speed so that simulation element controllability is high；Testing staff can open hatch door 16 come into cabin carry out experience obtain
Test result can also be detected by odor thief hatch 5 and obtain test result.
In the present embodiment, the nacelle 1 is equipped with the fragrant atmosphere feeder for fragrant atmosphere test.It is described perfume atmosphere feeder include
Fragrant atmosphere generator 91 and control valve 92.So that the test device not only can in specific environment be volatilized to being tested object
The burst size of the volatile hazardous substances gas such as formaldehyde, VOC is tested, moreover it is possible to it is fragrant to carry out simulated vehicle, indoor location
After atmosphere, perception test of the human body to environment；Make the test device functional diversities.
Further include the External Circulation Filtration Apparatus 30 being installed in outside nacelle 1, the External Circulation Filtration Apparatus in the present embodiment
30 include the outer circulation pipeline 301 being connected in nacelle 1, the 4th switch valve 302, cycle on installing outer circulation pipeline 301
Wind turbine 303 and filter device 304, before detection, first start External Circulation Filtration Apparatus 30 in nacelle 1 it is remaining perfume atmosphere, smell,
The volatile organic matters such as formaldehyde, VOC are purified, and are conducive to improve measuring accuracy.
In the present embodiment, 1 at least one side of the nacelle is glass structure, and infrared heating is provided with outside the glass structure
Device (not shown) or sunlight lamp (not shown) can detect product volatility such as fragrant atmosphere, formaldehyde, VOC under illumination condition
Situation of change.
Wherein, nacelle 1 is equipped with hatch door 16, and nacelle 1 is in air-tight state, and stirring wind turbine 8 is equipped in nacelle 1, stirs wind turbine 8
It is sequentially connected with the motor 9 being installed in nacelle 1, stirring wind turbine 8 can be uniform to the Gas Stirring inside nacelle 1.Nacelle 1
Outer wall or inside can be equipped with filter device, heating and temperature controlling device 12 and/or refrigeration register 13 (such as：Mounted on nacelle wall
On electronic refrigerating sheet) etc. equipment, provide a stable standard test environment for the test of volatile organic matter, avoid outer
The influence of boundary's environmental factor or other uncertain factors to test result, ensure that measuring stability, improves measuring accuracy.
Preferably, volatile organic matter is adsorbed on the inner wall of nacelle 1 to influence measuring accuracy, nacelle in order to prevent
1 inner wall is equipped with anti-absorbent coating.
As shown in Figure 1, in the present embodiment, gas compensation device includes soft tonifying Qi bag 41, tonifying Qi bag 41 is located at nacelle 1
Outside, the inlet end of tonifying Qi bag 41 is connected with feeder, and the outlet side of tonifying Qi bag 41 is connected to the air inlet of nacelle 1
14.Tonifying Qi bag 41 can store and discharge clean gas, can be filled with the clean gas of storage in gas sampling process
Gas volume compensation is realized in nacelle 1.
When it is implemented, feeder may include clean gas air source 2, inlet end and the clean gas gas of tonifying Qi bag 41
First switch valve 3 is connected between the outlet side in source 2, wherein first switch valve 3 can be carried on clean gas air source 2
Switch valve can also be switch valve set in addition, as long as can be used in cut-out air inlet can implement.
In addition, second switch valve 6 can be connected between the outlet side and the air inlet of nacelle 1 of tonifying Qi bag 41.Clean gas
The flow measuring unit 7 for coutroi velocity and flow can also be connected between the outlet side and the inlet end of tonifying Qi bag 41 of body air source 2.
The inflation of feeder is deflated to orient and be quantified, and operating error is reduced.
Third switch valve 10 is connected at odor thief hatch 5, it can be by the gas in nacelle 1 after opening third switch valve 10
Discharge carries out gas sampling.Certainly, third switch valve 10 can not also be arranged in odor thief hatch 5, and odor thief hatch 5 can be arranged
Can be one or more in the quantity of 1 either side of nacelle, odor thief hatch 5.
Preferably, it is also installed with humidity control apparatus 33 on the pipeline that the clean gas air source 2 is connected with nacelle 1,
Humidity to entering the pure air in nacelle 1 is adjusted.
Preferably, sample stent or hook 34 are installed in the nacelle 1, convenient for hanging test specimen in nacelle 1.
Preferably, the nacelle 1 is mounted in constant temperature and humidity toilet 35 or 1 exterior design insulating layer of nacelle.Mould
The external environment of quasi- constant temperature and humidity reduces influence of the environmental factor to testing result.
Preferably, the nacelle 1 is connected with the air interchanger for simulating external ventilation.The air interchanger include with
The ventilation admission line 81 being connected to inside nacelle and the ventilation discharge duct 82 being connected to nacelle inside, are changed described in the present embodiment
Gas admission line is equipped with ventilating fan；The ventilation admission line 81 is equipped with ventilation flowmeter or ventilation flow controller；
It is equipped with control valve on the ventilation admission line 81 and the ventilation discharge duct 82.In other embodiments, scavenging flow
Gauge or ventilation flow controller and ventilating fan can be arranged in ventilation discharge duct 82 and/or ventilation admission line 81
On；Be provided with air interchanger, can simulate under special environment condition, as the vehicles interior environment under or indoor environment under with outdoor
Air generates the phenomenon that convection current, and simulation more actualization, controllableization is made to avoid environmental factor or other uncertain factors to surveying
The influence of test result, improves measuring accuracy.
The test device of the present embodiment, after fragrant atmosphere under simulated vehicle environment, is installed, perception of the human body to environment
The method of test is：
After hatch door 16 is closed, fragrant atmosphere generator is closed, the devices such as ventilation are closed.Open External Circulation Filtration Apparatus 30, processing
Nacelle internal contamination device is for a period of time.It requires to place necessary sample according to simulation test in cabin and component, tester beats
The door 16 that opens the cabin enters in cabin, is stayed in cabin with stance or sitting posture, closes hatch door 16.At this point, can stirring more be opened according to needs
Wind turbine, sunlight simulation, infrared heating, air interchanger or inner air circulator 11 open fragrant atmosphere generator 91 and control
The functions such as valve 92, temperature regulating device, humidity control apparatus 33, gas compensation device, to simulate the environmental element under true environment；It surveys
Examination personnel by can really perceive out influence situation of the fragrant atmosphere smell for pernicious gas in that case；Such as test man
Outside nacelle, it also can test sampling by odor thief hatch 5 or outside smells and distinguishes that mouthfeel knows test environment state.
Embodiment 2
Referring to FIG. 2, the utility model embodiment 2 provides another nuisance with inner air circulator
Matter test device, the harmful substance test device with inner air circulator of the utility model embodiment 2, with above-mentioned reality
The structure for applying the harmful substance test device with inner air circulator of example 1 is largely identical, and something in common is no longer superfluous
It states, the difference is that the design of gas compensation device and the design of air interchanger.
As indicated with 2, the gas compensation device include in gas sampling process occur bulging so as to nacelle 1 inside
Realize that the soft compensation bag 42 of gas volume compensation, compensation bag 42 are located at the inside of nacelle 1, the air inlet and outlet end connection of compensation bag 42
On the bulkhead of nacelle 1.
Preferably, compensation bag 42 could be provided as the sealed soft bag made of fluoride materials.Specifically, the fluoride material
Material can be polytetrafluoroethylene (PTFE) or other fluorides.Wherein, bag is compensated made of fluoride materials can prevent compensation bag
Outer wall adsorbs volatile organic matter, improves measuring accuracy.
Before equipment test sample, need discharge compensation bag in some or all of gas.When in sample decimation nacelle
When gas, bulging occurs for compensation bag, to compensate the gas volume in nacelle, it is therefore prevented that the polluted gas outside nacelle is because of draught head
Into nacelle, measuring accuracy is improved.
Meanwhile in the present embodiment, the ventilation discharge duct 82 is arranged on External Circulation Filtration Apparatus 30, passes through outer circulation
Pipeline 301 is connected to inside nacelle 1 indirectly.When carrying out simulating inside and outside ventilation, air inlet still passes through admission line of taking a breath
81, the operating method of exhaust is the valve 302 opened on outer circulation pipeline 301, opens the control on ventilation discharge duct 82
Valve processed can be both vented, while in the present embodiment, and the circulating fan 303 on former outer circulation pipeline 301, which can be used as air exhauster, to be made
With filter device (304) also has filter effect, and internal harmful substance is avoided to be passed in external environment.Control can be passed through
The control valve taken a breath on admission line 81 or ventilation discharge duct 82, the ventilating fan of control ventilation admission line 81, or control
The modes such as valve 302 or control loop wind turbine 303 processed can be adjusted air-flow size and flow, and regulative mode is various
Change, convenient purification.
Embodiment 3
Referring to FIG. 3, the utility model embodiment 3 provides another nuisance with inner air circulator
Matter test device, the harmful substance test device with inner air circulator of the utility model embodiment 3, with above-mentioned reality
The structure for applying the harmful substance test device with inner air circulator of example 1 is largely identical, and something in common is no longer superfluous
It states, the difference is that the design of gas compensation device and the design of air interchanger.
As shown in figure 3, the gas compensation device includes for invaginating to nacelle in gas sampling process and then to nacelle 1
Inside realizes that the soft compensation bag 43 of gas volume compensation, compensation bag 43 are located at the inside of nacelle 1, and compensation bag 43 can will go out
Gas port, which amplifies, to be sealed in turn on the big mouth 15 that the bulkhead for being fixed on nacelle 1 opens up.
Preferably, compensation bag 43 could be provided as the sealed soft bag made of fluoride materials.Specifically, the fluoride material
Material can be polytetrafluoroethylene (PTFE) or other fluorides.Wherein, bag 43 is compensated made of fluoride materials can prevent compensation bag
43 outer wall adsorbs volatile organic matter, improves measuring accuracy.
Before equipment test sample, need discharge compensation bag 43 in some or all of gas.When in sample decimation nacelle 1
Gas when, compensation bag 43 invaginate to 1 internal direction of nacelle, to compensate the gas volume in nacelle 1, it is therefore prevented that nacelle
Polluted gas outside 1 improves measuring accuracy because draught head enters nacelle 1.
It should be noted that the harmful substance with inner air circulator of embodiment two and embodiment three is surveyed
The air inlet for the nacelle 1 that trial assembly is set can connect feeder, which can be the clean gas described in embodiment one
Air source.
Meanwhile in the present embodiment, the ventilation discharge duct 82 is arranged on internal air circulation device 11, passes through inside
Air circulation duct 111 is connected to inside nacelle 1 indirectly.When carrying out simulating inside and outside ventilation, air inlet still passes through ventilation
The operating method of 81 air inlet of admission line, exhaust is the valve 112 opened on inner air circulating line 111, and opening is changed
Control valve on gas discharge duct 82 can be both vented, while in the present embodiment, interior on former inner air circulating line 111
Portion's circulating fan 114 can be used as air exhauster use.
In conclusion the utility model can realize that nacelle is opened in ventilation/inside circulated air/closed lower adopted to gas
Sample is detected the burst size of the volatile harmful gases such as the formaldehyde, the VOC that are volatilized in testee, and can simulate traffic
After tool, indoor location perfume (or spice) atmosphere, human body is to the perception test of environment, simulated environment diversification, and simulated environment condition controllability
By force, which avoids environmental factor or other uncertain factors from interfering influence to test result, and stability is good, measuring accuracy
It is high.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various change, delete and change without departing from the scope of the technological thought of the present invention' completely.This item is sent out
Bright technical scope is not limited to the contents of the specification, it is necessary to determine its technical model according to right
It encloses.
Claims (9)
1. a kind of harmful substance test device with inner air circulator, it is characterised in that：Including a nacelle (1), institute
It states nacelle (1) and is equipped at least one odor thief hatch (5), the nacelle (1) is equipped with for the interior of simulated interior air circulation
Portion's air circulation device (11)；The inner air circulator (11) includes inner air circulating line (111), positioned at interior
Recycle stream gauge or circular flow controller (113) in portion's air circulation duct (111) and internal circulating fan (114)；Institute
The both ends for stating inner air circulating line (111) are connected on the different location of nacelle (1), the inner air circulation pipe
The both ends in road (111) are equipped with control valve (112)；The recycle stream gauge or circular flow controller (113) is internally positioned follows
Ring wind turbine (114) it is front or rear.
2. the harmful substance test device according to claim 1 with inner air circulator, it is characterised in that：Institute
It states nacelle (1) and is equipped with the fragrant atmosphere feeder tested for fragrant atmosphere.
3. the harmful substance test device according to claim 2 with inner air circulator, it is characterised in that：Institute
It includes fragrant atmosphere generator (91) and control valve (92) to state fragrant atmosphere feeder.
4. the harmful substance test device according to claim 1 with inner air circulator, it is characterised in that：Institute
It states nacelle (1) and is additionally provided with External Circulation Filtration Apparatus (30), the External Circulation Filtration Apparatus (30) includes and is connected in nacelle (1)
Outer circulation pipeline (301), the 4th switch valve (302), circulating fan (303) and filtering in installing outer circulation pipeline (301)
Device (304).
5. the harmful substance test device according to claim 1 with inner air circulator, it is characterised in that：Institute
It is glass structure to state nacelle (1) at least one side, and infrared heating device or sunlight lamp are provided with outside the glass structure.
6. the harmful substance test device according to claim 1 with inner air circulator, it is characterised in that：Institute
Nacelle (1) is stated to be connected with for compensating to prevent nacelle carrying out gas volume inside nacelle (1) in gas sampling process
Outer polluted gas enters gas compensation device (41) or (42) or (43) in nacelle (1) because of draught head.
7. the harmful substance test device according to claim 1 with inner air circulator, it is characterised in that：Institute
The inner wall of nacelle (1) is stated equipped with the anti-absorbent coating for preventing volatile organic matter from adsorbing；Stirring is equipped in the nacelle (1)
Wind turbine (8), the stirring wind turbine (8) and the motor (9) being installed in the nacelle (1) are sequentially connected, and are set on the nacelle (1)
There are hatch door (16), the inside of the nacelle (1) or outer wall to be equipped with heating and temperature controlling device (12) and/or refrigeration register (13)；
Sample stent or hook (34) are installed in the nacelle (1)；The nacelle (1) is mounted on constant temperature and/or constant-humidity clean room
(35) interior or nacelle (1) exterior design insulating layer.
8. there is the harmful substance test device of inner air circulator according to claim 1-7 any one of them, it is special
Sign is：The nacelle (1) is connected with the air interchanger for simulating external ventilation.
9. the harmful substance test device according to claim 8 with inner air circulator, it is characterised in that：Institute
It includes the ventilation exhaust pipe being connected to the ventilation admission line (81) that be connected to inside nacelle and with nacelle inside to state air interchanger
Road (82), the ventilation admission line (81) and/or the ventilation discharge duct (82) are equipped with ventilating fan；It is described take a breath into
Feed channel (81) and/or the ventilation discharge duct (82) are equipped with ventilation flowmeter or ventilation flow controller；The ventilation
It is equipped with control valve on admission line (81) and the ventilation discharge duct (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721676095.4U CN207866781U (en) | 2017-12-06 | 2017-12-06 | A kind of harmful substance test device with inner air circulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721676095.4U CN207866781U (en) | 2017-12-06 | 2017-12-06 | A kind of harmful substance test device with inner air circulator |
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| CN207866781U true CN207866781U (en) | 2018-09-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152451A (en) * | 2017-12-06 | 2018-06-12 | 东莞市升微机电设备科技有限公司 | A kind of harmful substance test device with inner air circulator |
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2017
- 2017-12-06 CN CN201721676095.4U patent/CN207866781U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152451A (en) * | 2017-12-06 | 2018-06-12 | 东莞市升微机电设备科技有限公司 | A kind of harmful substance test device with inner air circulator |
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