CN110487616A - A kind of reaction chamber and VOC sensor of VOC sensor - Google Patents
A kind of reaction chamber and VOC sensor of VOC sensor Download PDFInfo
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- CN110487616A CN110487616A CN201910781985.9A CN201910781985A CN110487616A CN 110487616 A CN110487616 A CN 110487616A CN 201910781985 A CN201910781985 A CN 201910781985A CN 110487616 A CN110487616 A CN 110487616A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 55
- 238000009434 installation Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 9
- 239000002245 particle Substances 0.000 abstract description 9
- 239000012855 volatile organic compound Substances 0.000 description 53
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0047—Organic compounds
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Immunology (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
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- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Abstract
The invention discloses a kind of reaction chamber of VOC sensor and VOC sensors, the reaction chamber includes air inlet assembly, reaction chamber assembly and net-filter assembly, reaction chamber assembly includes component body, component body is equipped with inner cavity, the first opening and the second opening, the air inlet assembly, reaction chamber assembly and net-filter assembly are tightly connected, the air inlet assembly is equipped with air inlet, and the air inlet is connected to by net-filter assembly and the first opening with the inner cavity of component body；The component body is equipped with gas outlet, and the first mounting structure for installing VOC sensor module is additionally provided in the component body, and first mounting structure makes mounted VOC sensor module seal second opening.The present invention is provided with net-filter assembly, can filter dust in air particle, be covered on VOC sensing element to avoid dust particles, increase the service life of VOC sensor.The present invention can be widely applied to sensor field.
Description
Technical field
The present invention relates to sensor field, the reaction chamber and VOC sensor of especially a kind of VOC sensor
Background technique
VOC (volatile organic compounds, i.e. volatile organic compounds) exhaust gas is usually in plastics, rubber
It is generated in many industrial fields such as processing, paint production automotive lacquer and coating material production, the production of product and process generate
Largely containing the exhaust gas of volatile organic compounds.These exhaust gas are unprocessed to discharge into atmosphere, will form under certain condition
Photochemical pollution influences air quality, influences animal and plant growth and the health of the mankind.
VOC sensor is the sensor for detecting the ingredients such as including volatile organic compounds in air, is usually being examined
It surveys in device, VOC sensing element is all direct exposed installation or is simply installed among protection shell.In practical application
In, in air in addition to a gas, dust particles are also had, for example, PM2.5 and PM10 etc..VOC sensing element is in use process
In be easy to be covered by dust particles, lead to deterioration of sensitivity, so that many VOC sensors are in not up to projected life
When, just it is not available.
Summary of the invention
In order to solve the above technical problems, it is an object of the invention to: the reaction chamber and VOC of a kind of VOC sensor are provided
Sensor, to extend the service life of VOC sensor.
The first technical solution adopted by the present invention is:
A kind of reaction chamber of VOC sensor, including air inlet assembly, reaction chamber assembly and net-filter assembly, the reaction chamber
Component includes component body, and the component body is equipped with inner cavity, the first opening and the second opening, the air inlet assembly, reaction
Chamber component and net-filter assembly are tightly connected, and the air inlet assembly is equipped with air inlet, and the air inlet passes through net-filter assembly and the
One opening is connected to the inner cavity of component body；The component body is equipped with gas outlet, is additionally provided with and is used in the component body
First mounting structure of VOC sensor module is installed, first mounting structure makes mounted VOC sensor module seal institute
State the second opening.
Further, the air inlet assembly includes pagoda shape air inlet and the second mounting structure；The pagoda shape air inlet
Mouth is fixedly connected with the second mounting structure, and the net-filter assembly includes several strainers and third mounting structure, the component
Ontology is equipped with the 4th mounting structure in the locating one side of the first opening；Second mounting structure, third mounting structure and the 4th
Mounting structure is coupled；Several described strainers are sandwiched in during installation between third mounting structure and the second mounting structure,
And/or it is sandwiched between third mounting structure and the 4th mounting structure.
Further, second mounting structure, third mounting structure and the 4th mounting structure be equipped with 3 or 4 it is right
Claim the screw hole of distribution.
Further, second mounting structure, third mounting structure and the 4th mounting structure are installed by screw and nut.
Further, between second mounting structure and third mounting structure and third mounting structure and the 4th installation knot
Airtight construction is equipped between structure.
Further, the strainer is polytetrafluoroethylene (PTFE) strainer, and the aperture of the strainer is less than 10 microns.
Further, the quantity of the strainer has multiple, and at least there are two or more apertures or two kinds in multiple strainers
The strainer of the above material.
Further, the gas outlet is pagoda shape gas outlet.
Further, the component body is round tube shape structure.
Second of technical solution adopted by the present invention is:
A kind of VOC sensor, reaction chamber and VOC sensor module including the VOC sensor, the VOC are passed
Sensor component includes the VOC sensing element of circuit board and installation on circuit boards, and the circuit board and the first mounting structure cooperate
Installation, circuit board sealing second opening, the VOC sensing element are placed in the inner cavity of reaction chamber assembly.
The beneficial effects of the present invention are: the present invention is that VOC sensor module is provided with reaction chamber, the air inlet of the reaction chamber
It is provided with net-filter assembly between the inner cavity of reaction chamber assembly, which is equipped with the second opening and the first installation knot
Structure, when VOC sensor module is installed in reaction chamber assembly, by second opening seal so that detection gas from air inlet into
Enter, detected in reaction chamber assembly by VOC sensor module again after being filtered by net-filter assembly, is finally discharged from gas outlet, the filter
Screen component can filter dust in air particle, be covered on VOC sensing element to avoid dust particles, increase VOC sensing
The service life of device.
Detailed description of the invention
Fig. 1 is a kind of main view of the reaction chamber of the VOC sensor of specific embodiment of the present invention；
Fig. 2 is a kind of right view of the air inlet assembly of the reaction chamber of the VOC sensor of specific embodiment of the present invention；
Fig. 3 is a kind of right side of the mounting structure of the net-filter assembly of the reaction chamber of the VOC sensor of specific embodiment of the present invention
View；
Fig. 4 is a kind of right view of the reaction chamber assembly of the reaction chamber of the VOC sensor of specific embodiment of the present invention；
Fig. 5 is a kind of left view of the reaction chamber assembly of the reaction chamber of the VOC sensor of specific embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of the VOC sensor of specific embodiment of the present invention；
Fig. 7 is a kind of sectional structure chart of the VOC sensor of specific embodiment of the present invention.
Specific embodiment
The present invention is further detailed with specific embodiment with reference to the accompanying drawings of the specification.
Present embodiment discloses a kind of reaction chambers of VOC sensor, including air inlet assembly, reaction chamber assembly and strainer group
Part, the reaction chamber assembly include component body, the component body be equipped with inner cavity, the first opening and the second opening, it is described into
Port component, reaction chamber assembly and net-filter assembly are tightly connected, and the air inlet assembly is equipped with air inlet, and the air inlet passes through
Net-filter assembly and the first opening are connected to the inner cavity of component body；The component body is equipped with gas outlet, in the component body
On be additionally provided with the first mounting structure for installing VOC sensor module, first mounting structure senses mounted VOC
Device assembly sealing second opening.
Specifically, referring to Figures 1 and 2, in the present embodiment, the air inlet assembly is by air inlet 302 and mounting structure
301 are formed, and the air inlet 302 is equipped with air inlet 303, and air inlet 302 is mounted on mounting structure 301, wherein air inlet
302 be pagoda shape, enables to the hose of air pump to be easier to cover on air inlet 302 using the air inlet of pagoda shape, makes simultaneously
The hose in air inlet 302 must be covered and generate bigger frictional force when extracted, so that hose is not easy to fall off, outside pagoda shape
Shape can make the air-tightness between hose and air inlet 302 better.Certainly, as alternative embodiment, the air inlet
Cylindric or mesa-shaped air inlet can be used.In addition, several screw holes 400c is additionally provided on the mounting structure 301,
For mounting structure.It is of course also possible to use be clasped or the modes such as glue come substitute screw hole realize component between
Installation.The advantages of being installed using screw is to be conveniently replaceable net-filter assembly.The mounting structure 301 is disk, much less,
It can also be realized with polygonal patch such as square plates.
Referring to Figure 1 and Figure 3, the net-filter assembly includes mounting structure 201 and several strainers 202, in the present embodiment
The quantity of strainer 202 is 2.In further embodiments, three or one be can be, strainer 202 is sandwiched in different groups
Between part, as long as in fact, strainer 202 be arranged in gas enter reaction chamber assembly component body 100 inner cavity wind path on
It can play the role of filtering dust particles.As shown in figure 3, the mounting structure 201 is the installation knot in disk, with Fig. 2
The joint face of structure 301 generallys use identical shape or mutually matched shape.In the present embodiment, on mounting structure 201
The peace being additionally provided in quantity screw hole 400d, these screw holes 400d and Fig. 2 identical with 301 quantity of mounting structure in Fig. 2
Screw hole 400c on assembling structure 301 is corresponded.Certainly, in other embodiments, if by the way of the installation of non-screw,
Screw hole can be omitted.It is additionally provided with through-hole 203 among mounting structure 201, circulates for gas.
Referring to Fig.1, Fig. 4 and Fig. 5, in the present embodiment, the reaction chamber assembly include component body 100, the component
Ontology 100 is tubulose, specially circular tube shaped, is equipped with inner cavity.Certain component body 100 can also be using other with inner cavity
Structure realize, not necessarily want circular tube shaped, in the present embodiment component body 100 using circular tube shaped purpose be it is easy to process and
Installation.In addition, component body 100 is equipped with gas outlet 101, mounting structure 102 and mounting structure 103.The component body 100
It is equipped with the first opening 104 and the second opening 105, wherein the first opening 104 is located at the side of mounting structure 103, the second opening
105 are located at the side of mounting structure 102.The mounting structure 102 is equipped with screw hole 400a, and screw hole 400a is passed for installing
Sensor component.The mounting structure 103 is equipped with screw hole 400b.Wherein, shown in Fig. 1, mounting structure 103, mounting structure
201, mounting structure 301 is successively coupled by screw hole.Shown in Fig. 1, gas enters from air inlet 302, passes through several
Strainer 202 and mounting structure 201 are entered the inner cavity of component body 100 by the first opening 104 as shown in Figure 4, passed in installation
The second opening shown in fig. 5 105 is sealed by sensor module in the case where sensor component, therefore gas is by being placed in wall
Sensor element after be discharged by gas outlet 101.
Screw hole 400a on the mounting structure 102 is used to install the circuit board of sensor module.In order to guarantee to seal
Performance, while technology difficulty is reduced, it can be by mounting structure 102, mounting structure 103, mounting structure 201 and mounting structure 301
It needs to be made into plane with the surface that other component is coupled.
Referring to figure 6 and figure 7, the present embodiment is illustrated the reaction chamber after installing VOC sensor module additional.The VOC is passed
Sensor component includes VOC sensing element 501 and circuit board 500.In the present embodiment, between various components, pass through 401 He of screw
Nut 402 is combined.Wherein, circuit board 500 is equipped with screw hole corresponding with the screw hole on mounting structure 102.Such as
In Fig. 7 shown in dotted arrow, gas from air inlet 302 enter, in the inner cavity of the component body 100 of reaction chamber assembly with VOC
Sensing element 501 contacts, and then passes through and rebounds several times, is discharged from gas outlet 101.Wherein circuit board 500 and mounting structure 102
The face of connection is plane, therefore has preferable air-tightness.Furthermore it can also be provided on circuit board 500 and be passed for handling VOC
The processing circuit for the detection voltage that sensing unit 501 is exported.For example, filter circuit, A/D conversion circuit and/or signal send electricity
Road etc..Certainly, which can also directly draw the interface of VOC sensing element 501, in order to pacify VOC sensor
On other circuits.
The preferred embodiment of reaction chamber is illustrated below, these preferred embodiments do not generate it is contradictory before
Putting can be combined with each other.
As preferred embodiment, the air inlet assembly includes pagoda shape air inlet and the second mounting structure；It is described
Pagoda shape air inlet is fixedly connected with the second mounting structure, and the net-filter assembly includes several strainers and third installation knot
Structure, the reaction chamber assembly are equipped with the 4th mounting structure in the locating one side of the first opening；Second mounting structure, third peace
Assembling structure and the 4th mounting structure are coupled；Several described strainers are sandwiched in third mounting structure and the second peace during installation
Between assembling structure, and/or it is sandwiched between third mounting structure and the 4th mounting structure.
In the present embodiment, the air inlet uses pagoda shape, convenient for the hose of connection air pump, inserts so that hose is convenient
Enter and be not easy to loosen, while generating preferable air-tightness.Gas to be detected can be pumped into air inlet by hose by air pump
Mouthful.
As preferred embodiment, second mounting structure, third mounting structure and the 4th mounting structure are equipped with 3
Or 4 symmetrical screw holes.
The present embodiment uses 3 or 4 symmetrical screw holes, can make to be mounted so as to compare abutting between component.
Wherein, it is described it is symmetrical include to some dot center rotational symmetry or to some axis centre it is symmetrical.
As preferred embodiment, second mounting structure, third mounting structure and the 4th mounting structure pass through screw
It is installed with nut.
It is installed using screw and nut, it, can be with relative to other mounting means, such as glue, buckle or self-tapping screw
It disassembles and installs repeatedly, is conveniently replaceable net-filter assembly.
As preferred embodiment, between second mounting structure and third mounting structure and third mounting structure and
Airtight construction is equipped between 4th mounting structure.
Since above structure is for clamping strainer, because this gap may be bigger.When air-tightness requirement is high, such as
When installation can measure the sensing element of VOC content in the reaction chamber, need to increase air-tightness.Gas is thus set between the components
Close structure, such as increase rubber pad, coating, the measure of precision of device can be promoted.
As preferred embodiment, the strainer is polytetrafluoroethylene (PTFE) strainer, and the aperture of the strainer is less than 10 microns.
The present embodiment can be increased the maintainability of device, reduce component more using polytetrafluoroethylene (PTFE) strainer in order to clean
The cost changed.Meanwhile most of dust particles can be effectively filtered using 10 microns of apertures below.
As preferred embodiment, the quantity of the strainer has multiple, and at least there are two or more holes in multiple strainers
The strainer of diameter or two or more materials.
In practical applications, usual strainer can have multiple, and the mounting structure for clamping strainer also can be set multiple.
Such as by the way that two mounting structures are arranged in net-filter assembly, the quantity of strainer is allowed to increase to 3.It is so at this point, more
A strainer can be combined using different materials or different apertures, to reach more dust particles filtering effect
Fruit.
As preferred embodiment, the gas outlet is pagoda shape gas outlet.
Gas is discharged in order to connect hose in the present embodiment, sets pagoda shape for gas outlet, can be inserted into order to hose,
Hose is not easy to loosen simultaneously.
Referring to figure 6 and figure 7, a kind of VOC sensor, the reaction chamber including VOC sensor as shown in Figures 1 to 5, and
VOC sensor module, the VOC sensor module include circuit board 500 and the VOC sensing element that is mounted on circuit board 500
501, the circuit board 500 is coupled with mounting structure 102, and the circuit board 500 seals the second opening 105 shown in fig. 5,
The VOC sensing element 501 is placed in the inner cavity of reaction chamber assembly.
It is to be illustrated to preferable implementation of the invention, but the present invention is not limited to the embodiment above, it is ripe
Various equivalent deformation or replacement can also be made on the premise of without prejudice to spirit of the invention by knowing those skilled in the art, this
Equivalent deformation or replacement are all included in the scope defined by the claims of the present application a bit.
Claims (10)
1. a kind of reaction chamber of VOC sensor, it is characterised in that: including air inlet assembly, reaction chamber assembly and net-filter assembly, institute
Stating reaction chamber assembly includes component body, and the component body is equipped with inner cavity, the first opening and the second opening, the air inlet group
Part, reaction chamber assembly and net-filter assembly are tightly connected, and the air inlet assembly is equipped with air inlet, and the air inlet passes through strainer group
Part and the first opening are connected to the inner cavity of component body；The component body is equipped with gas outlet, also sets in the component body
There is the first mounting structure for installing VOC sensor module, first mounting structure makes mounted VOC sensor module
Seal second opening.
2. a kind of reaction chamber of VOC sensor according to claim 1, it is characterised in that: the air inlet assembly includes
Pagoda shape air inlet and the second mounting structure；The pagoda shape air inlet is fixedly connected with the second mounting structure, the strainer
Component includes several strainers and third mounting structure, and the component body is equipped with the 4th peace in the locating one side of the first opening
Assembling structure；Second mounting structure, third mounting structure and the 4th mounting structure are coupled；Several described strainers are being pacified
It is sandwiched in when dress between third mounting structure and the second mounting structure, and/or is sandwiched in third mounting structure and the 4th installation knot
Between structure.
3. a kind of reaction chamber of VOC sensor according to claim 2, it is characterised in that: second mounting structure,
Three mounting structures and the 4th mounting structure are equipped with 3 or 4 symmetrical screw holes.
4. a kind of reaction chamber of VOC sensor according to claim 2 or 3, it is characterised in that: the second installation knot
Structure, third mounting structure and the 4th mounting structure are installed by screw and nut.
5. a kind of reaction chamber of VOC sensor according to claim 2, it is characterised in that: second mounting structure and
Airtight construction is equipped between third mounting structure and between third mounting structure and the 4th mounting structure.
6. a kind of reaction chamber of VOC sensor according to claim 2, it is characterised in that: the strainer is polytetrafluoroethyl-ne
Alkene strainer, the aperture of the strainer is less than 10 microns.
7. a kind of reaction chamber of VOC sensor according to claim 2, it is characterised in that: the quantity of the strainer has more
It is a, and at least there is the strainer in two or more apertures or two or more materials in multiple strainers.
8. a kind of according to claim 1, reaction chamber of VOC sensor described in 3,5,6 or 7, it is characterised in that: the gas outlet
For pagoda shape gas outlet.
9. a kind of according to claim 1, reaction chamber of VOC sensor described in 3,5,6 or 7, it is characterised in that: the component sheet
Body is round tube shape structure.
10. a kind of VOC sensor, it is characterised in that: the reaction including the described in any item VOC sensors of such as claim 1-9
Room and VOC sensor module, the VOC sensor module include the VOC sensing element of circuit board and installation on circuit boards
Part, the circuit board are coupled with the first mounting structure, circuit board sealing second opening, the VOC sensing element
Part is placed in the inner cavity of reaction chamber assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910781985.9A CN110487616A (en) | 2019-08-23 | 2019-08-23 | A kind of reaction chamber and VOC sensor of VOC sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910781985.9A CN110487616A (en) | 2019-08-23 | 2019-08-23 | A kind of reaction chamber and VOC sensor of VOC sensor |
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| Publication Number | Publication Date |
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| CN110487616A true CN110487616A (en) | 2019-11-22 |
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| CN201910781985.9A Pending CN110487616A (en) | 2019-08-23 | 2019-08-23 | A kind of reaction chamber and VOC sensor of VOC sensor |
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Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6319378B1 (en) * | 1998-08-12 | 2001-11-20 | Denso Corporation | Gas sensor having improved structure |
| US20020000375A1 (en) * | 2000-06-30 | 2002-01-03 | Makoto Shirai | Sealing structure of gas sensor |
| US20050241368A1 (en) * | 2004-04-13 | 2005-11-03 | Denso Corporation | Gas sensor |
| US20090200164A1 (en) * | 2008-02-08 | 2009-08-13 | Ngk Spark Plug Co., Ltd. | Gas sensor |
| KR20100093338A (en) * | 2009-02-16 | 2010-08-25 | 엘지이노텍 주식회사 | Particle filtering apparatus |
| CN202512060U (en) * | 2012-02-15 | 2012-10-31 | 深圳市赛宝伦计算机技术有限公司 | Nox analyzer |
| CN202871742U (en) * | 2012-09-26 | 2013-04-10 | 天津通广集团数字通信有限公司 | PID sensor ionization gas chamber structure |
| CN203772800U (en) * | 2014-02-24 | 2014-08-13 | 天津七一二通信广播有限公司 | Universal type PID sensor gas chamber structure |
| CN105003829A (en) * | 2015-08-05 | 2015-10-28 | 中南大学 | Device, system, and method for monitoring oil depot fuel leakage based on wireless sensing |
| CN205786211U (en) * | 2016-05-30 | 2016-12-07 | 武汉四方光电科技有限公司 | Particle analyte detection device in a kind of air |
| CN206740730U (en) * | 2017-04-28 | 2017-12-12 | 江苏寅源科技股份有限公司 | A kind of gas circuit cascaded structure of gas on-line monitoring system |
| CN108333002A (en) * | 2017-12-22 | 2018-07-27 | 北京林业大学 | VOC harvesters, VOC acquisition methods |
| CN207675735U (en) * | 2017-12-30 | 2018-07-31 | 光力科技股份有限公司 | A kind of gas-detecting device and its gas sampling device |
| CN108426817A (en) * | 2018-05-08 | 2018-08-21 | 宁夏锦汇源化工有限公司 | The system and method for continuous detection gas concentration under high concentrate dust environment |
| CN207816933U (en) * | 2018-02-06 | 2018-09-04 | 深圳市无眼界科技有限公司 | Gas-detecting device with water-proof function |
| CN108692761A (en) * | 2017-04-12 | 2018-10-23 | 北京万生人和科技有限公司 | A kind of air quality sample testing meter |
| CN208171950U (en) * | 2018-05-09 | 2018-11-30 | 上海恩信仪表有限公司 | A kind of VOC detector |
| CN109011862A (en) * | 2018-07-05 | 2018-12-18 | 杨柳锋 | A kind of indoor formaldehyde detection processing device |
| CN109589734A (en) * | 2018-12-19 | 2019-04-09 | 烟台南山学院 | A kind of purification system of organic exhaust gas and dust |
| CN210863315U (en) * | 2019-08-23 | 2020-06-26 | 中国科学院广州地球化学研究所 | VOC sensor's reacting chamber and VOC sensor |
-
2019
- 2019-08-23 CN CN201910781985.9A patent/CN110487616A/en active Pending
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6319378B1 (en) * | 1998-08-12 | 2001-11-20 | Denso Corporation | Gas sensor having improved structure |
| US20020000375A1 (en) * | 2000-06-30 | 2002-01-03 | Makoto Shirai | Sealing structure of gas sensor |
| US20050241368A1 (en) * | 2004-04-13 | 2005-11-03 | Denso Corporation | Gas sensor |
| US20090200164A1 (en) * | 2008-02-08 | 2009-08-13 | Ngk Spark Plug Co., Ltd. | Gas sensor |
| KR20100093338A (en) * | 2009-02-16 | 2010-08-25 | 엘지이노텍 주식회사 | Particle filtering apparatus |
| CN202512060U (en) * | 2012-02-15 | 2012-10-31 | 深圳市赛宝伦计算机技术有限公司 | Nox analyzer |
| CN202871742U (en) * | 2012-09-26 | 2013-04-10 | 天津通广集团数字通信有限公司 | PID sensor ionization gas chamber structure |
| CN203772800U (en) * | 2014-02-24 | 2014-08-13 | 天津七一二通信广播有限公司 | Universal type PID sensor gas chamber structure |
| CN105003829A (en) * | 2015-08-05 | 2015-10-28 | 中南大学 | Device, system, and method for monitoring oil depot fuel leakage based on wireless sensing |
| CN205786211U (en) * | 2016-05-30 | 2016-12-07 | 武汉四方光电科技有限公司 | Particle analyte detection device in a kind of air |
| CN108692761A (en) * | 2017-04-12 | 2018-10-23 | 北京万生人和科技有限公司 | A kind of air quality sample testing meter |
| CN206740730U (en) * | 2017-04-28 | 2017-12-12 | 江苏寅源科技股份有限公司 | A kind of gas circuit cascaded structure of gas on-line monitoring system |
| CN108333002A (en) * | 2017-12-22 | 2018-07-27 | 北京林业大学 | VOC harvesters, VOC acquisition methods |
| CN207675735U (en) * | 2017-12-30 | 2018-07-31 | 光力科技股份有限公司 | A kind of gas-detecting device and its gas sampling device |
| CN207816933U (en) * | 2018-02-06 | 2018-09-04 | 深圳市无眼界科技有限公司 | Gas-detecting device with water-proof function |
| CN108426817A (en) * | 2018-05-08 | 2018-08-21 | 宁夏锦汇源化工有限公司 | The system and method for continuous detection gas concentration under high concentrate dust environment |
| CN208171950U (en) * | 2018-05-09 | 2018-11-30 | 上海恩信仪表有限公司 | A kind of VOC detector |
| CN109011862A (en) * | 2018-07-05 | 2018-12-18 | 杨柳锋 | A kind of indoor formaldehyde detection processing device |
| CN109589734A (en) * | 2018-12-19 | 2019-04-09 | 烟台南山学院 | A kind of purification system of organic exhaust gas and dust |
| CN210863315U (en) * | 2019-08-23 | 2020-06-26 | 中国科学院广州地球化学研究所 | VOC sensor's reacting chamber and VOC sensor |
Non-Patent Citations (1)
| Title |
|---|
| 周丽丽;陈会明;宋乃宁;王;于文莲;: "有害物质环境测试组合舱的研制及性能评价", 环境工程学报, no. 09, 5 September 2013 (2013-09-05) * |
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