CN207816933U - Gas-detecting device with water-proof function - Google Patents
Gas-detecting device with water-proof function Download PDFInfo
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- CN207816933U CN207816933U CN201820200450.9U CN201820200450U CN207816933U CN 207816933 U CN207816933 U CN 207816933U CN 201820200450 U CN201820200450 U CN 201820200450U CN 207816933 U CN207816933 U CN 207816933U
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- needle stand
- detecting device
- water
- waterproof
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Abstract
The utility model is related to gas detecting instrument technical fields, disclose a kind of gas-detecting device with water-proof function.The gas-detecting device with water-proof function; including gas chamber lower cover, gas chamber upper cover, needle stand circuit board, waterproof and breathable diaphragm, waterproof sealing component and gas detection module; the gas detection module includes protection cap, gas sensor, control circuit and pedestal; protection cap one end of the gas detection module is connect by the waterproof sealing component with the gas chamber lower cover waterproof sealing, and pedestal one end of the gas detection module is connect by the waterproof sealing component with the needle stand circuit board waterproof sealing in the gas chamber upper cover.It is designed by double water-proof sealing structure, avoids moisture or corrosive gas in detection gas and enter needle stand circuit board and the oxidation and corrosion that cause needle stand circuit and needle stand device, improve the service life, property easy to use and user experience of gas-detecting device.
Description
Technical field
The present invention relates to gas detecting instrument technical field more particularly to a kind of gas detection dresses with water-proof function
It sets.
Background technology
Existing gas-detecting device usually installs gas sensor by way of needle stand grafting, but examines in practical applications
The moisture or corrosive gas surveyed in gas can also enter needle stand while entering sensor, and needle stand is highly susceptible to oxygen
Change and corrode, causes the service life of entire gas-detecting device shorter, influence the user experience of gas detection.
Invention content
In consideration of it, the present invention provides a kind of gas-detecting device with water-proof function, existing gas-detecting device is solved
Needle stand be easy to be aoxidized and corroded and lead to that service life is short and the bad technical problem of user experience.
According to one embodiment of present invention, a kind of gas-detecting device with water-proof function is provided, including under gas chamber
Lid, gas chamber upper cover, needle stand circuit board, waterproof and breathable diaphragm, waterproof sealing component and gas detection module, the waterproof ventilated membrane
Piece is fixed on the air inlet of the gas chamber lower cover, and the needle stand circuit board is fixed at the lid of the gas chamber upper cover
Interior, the gas detection module includes protection cap, gas sensor, control circuit and pedestal, the needle stand circuit board with it is described
Control circuit is electrically connected by needle stand grafting, and protection cap one end of the gas detection module passes through the waterproof sealing component
It is connect with the gas chamber lower cover waterproof sealing, pedestal one end of the gas detection module passes through the waterproof sealing component and institute
The needle stand circuit board waterproof sealing connection in gas chamber upper cover is stated, the gas chamber lower cover is connected with gas chamber upper cover waterproof sealing.
Preferably, the susceptor surface of the gas detection module is additionally provided with location hole, is arranged on the inside of the gas chamber upper cover
There is the locating piece being adapted to the location hole.
Preferably, the waterproof sealing component includes waterproof grommet and waterproof sealing gasket, the waterproof grommet and anti-
Water seal washer shape and size are adapted to.
Preferably, the protection cap and the hermetically sealed formation seal cavity of pedestal, the gas sensor and control circuit
It is sealingly disposed in the seal cavity.
Preferably, the needle stand circuit board includes needle stand circuit and needle stand.
Preferably, the needle stand circuit board is fixed at the lid of the gas chamber upper cover by polymer reperfusion mode
It is interior.
Preferably, the polymer is epoxy resin.
Preferably, the waterproof and breathable diaphragm is fixed at the air inlet of the gas chamber lower cover by physics pressing mode
On.
Preferably, the waterproof and breathable diaphragm is fixed at by bonding way on the air inlet of the gas chamber lower cover.
Preferably, the gas-detecting device with water-proof function further includes being removably disposed in the gas chamber lower cover
External sealing cover.
Gas-detecting device provided by the invention with water-proof function is designed by double water-proof sealing structure, avoids examining
Moisture or corrosive gas enter needle stand circuit board and cause the oxidation and corrosion of needle stand circuit and needle stand device in survey gas, have
Needle stand circuit and needle stand are protected to effect, the damage because of needle stand circuit and needle stand is avoided due to leads to overall gas detection device
It scraps, improves the service life, property easy to use and user experience of gas-detecting device.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.It should be evident that drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the schematic cross-section of the gas-detecting device with water-proof function in one embodiment of the invention.
Fig. 2 is the configuration schematic diagram of the gas-detecting device with water-proof function in one embodiment of the invention.
Specific implementation mode
Further more detailed description is made to technical scheme of the present invention with reference to the accompanying drawings and detailed description.It is aobvious
So, described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without making creative work,
The scope of protection of the invention should all be belonged to.
In the description of the present invention, it is to be understood that, term " first ", " second " etc. are used for description purposes only, without
It can be interpreted as indicating or implying relative importance.In the description of the present invention, it should be noted that unless otherwise specific regulation
And restriction, term " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediary can also be passed through
It is indirectly connected.For the ordinary skill in the art, it can understand above-mentioned term in the present invention in conjunction with concrete condition
Concrete meaning.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
Referring to Fig. 1 and Fig. 2, the gas-detecting device with water-proof function of the present embodiment, including gas chamber lower cover 1, gas chamber
Upper cover 2, needle stand circuit board 3, waterproof and breathable diaphragm 4, waterproof sealing component 5 and gas detection module 6.
The gas chamber lower cover 1 connects to form air chamber with 2 waterproof sealing of gas chamber upper cover, and the waterproof and breathable diaphragm 4 passes through
Physics presses or bonding way is fixed on the air inlet of the gas chamber lower cover 1, avoid moisture in detection gas into
Enter the gas detection module 6 and device is caused to aoxidize or corrode, service life and the performance for improving gas-detecting device are steady
It is qualitative.
In some embodiments, dismountable sealing cover also is set outside the gas chamber lower cover 1, need not be into promoting the circulation of qi
By gas chamber lower cover 1 described in the seal cap sealing when physical examination is surveyed, the moisture avoided in detection gas is examined into the gas
It surveys module 6 and device is caused to aoxidize or corrode, further improve the service life and stability of gas-detecting device.
The needle stand circuit board 3 is fixed at the lid of the gas chamber upper cover 1 by polymer epoxy reperfusion mode
In vivo, the needle stand circuit board 3 includes needle stand circuit 31 and needle stand 32, and the needle stand circuit 31 selects general needle stand circuit,
For the transmission of sensor detection signal, the needle stand 32 is used to be electrically connected with the gas detection module 6.The anti-watertight
Sealing assembly 5 includes waterproof grommet 51 and waterproof sealing gasket 52, the waterproof grommet 51 and 52 shape of waterproof sealing gasket and ruler
The function of waterproof sealing is collectively formed in very little adaptation.
In the present embodiment, the gas detection module 6 includes protection cap 61, gas sensor 62,63 and of control circuit
Pedestal 64.The protection cap 61 is opening lid, and plastic material can be used, and protection and branch are provided for the gas sensor 62
Support.The gas sensor 62 is arranged in 61 lid inner cavity of the protection cap, is used for detection gas concentration.The control circuit
63 are arranged in 64 bottom of the pedestal, and the universal control circuit of argoshield sensor can be used, for the gas sensing
The detection parameters and working condition of device 62 are controlled.The needle stand circuit board 3 can pass through the needle with the control circuit 63
Seat 32 grafting electrical connection, conveniently and efficiently realizes the installation and removal of the gas detection module 6.
64 hermetically sealed formation seal cavity of the protection cap 61 and pedestal, the gas sensor 62 and control circuit 63
It is sealingly disposed in the seal cavity, the gas detection module 6 can be made to form whole detection function mould by Seal Design
Block, convenient for waterproof, disassembly and installation.Further, positioning can be also arranged in 64 surface of pedestal of the gas detection module 6
Hole, 1 inside of the gas chamber upper cover are correspondingly arranged on the locating piece being adapted to the location hole such as positioning column, pass through the positioning
The adaptation of hole and locating piece designs, and conveniently and efficiently the gas detection module 6 can be mounted in the gas chamber upper cover 1, real
Existing blindmate and foolproof function, improve the convenience and user experience that gas-detecting device uses.
In the present embodiment, 61 one end of protection cap of the gas detection module 6 passes through the waterproof sealing component 5 and institute
State the connection of 1 waterproof sealing of gas chamber lower cover, 64 one end of pedestal of the gas detection module 6 by the waterproof sealing component 5 with
3 waterproof sealing of needle stand circuit board connection in the gas chamber upper cover 2, is designed by double water-proof sealing structure, avoids detection gas
Moisture or corrosive gas cause the oxidation of 32 device of the needle stand circuit 31 and needle stand into the needle stand circuit board 3 in body
And corrosion, it is effectively protected the needle stand circuit 31 and needle stand 32, avoids the damage because of the needle stand circuit 31 and needle stand 32
Badly lead to scrapping for overall gas detection device, improves the service life and stability of gas-detecting device.Work as institute
State gas detection module 6 reach service life or damage when, the gas detection module 6 that directly can more renew, improve gas inspection
Survey service life, property easy to use and the user experience of device.
It should be appreciated that each section of the present invention can be realized with hardware, software, firmware or combination thereof.Above-mentioned
In embodiment, software that multiple steps or method can in memory and by suitable instruction execution system be executed with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit application-specific integrated circuit, programmable gate array（PGA）, scene
Programmable gate array（FPGA）Deng.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The descriptions such as example " or " some examples " mean particular features, structures, materials, or characteristics described in conjunction with this embodiment or example
It is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms differ
Surely identical embodiment or example are referred to.Moreover, particular features, structures, materials, or characteristics described can be any
It can be combined in any suitable manner in one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of gas-detecting device with water-proof function, which is characterized in that including gas chamber lower cover, gas chamber upper cover, needle stand electricity
Road plate, waterproof and breathable diaphragm, waterproof sealing component and gas detection module, the waterproof and breathable diaphragm are fixed at the gas
On the air inlet of room lower cover, the needle stand circuit board is fixed in the lid of the gas chamber upper cover, the gas detection mould
Block includes protection cap, gas sensor, control circuit and pedestal, and the needle stand circuit board is inserted with the control circuit by needle stand
Electrical connection is connect, protection cap one end of the gas detection module passes through the waterproof sealing component and the gas chamber lower cover waterproof
It is tightly connected, pedestal one end of the gas detection module passes through the needle stand in the waterproof sealing component and the gas chamber upper cover
Circuit board waterproof sealing connects, and the gas chamber lower cover is connected with gas chamber upper cover waterproof sealing.
2. the gas-detecting device according to claim 1 with water-proof function, which is characterized in that the gas detection mould
The susceptor surface of block is additionally provided with location hole, and the locating piece being adapted to the location hole is provided on the inside of the gas chamber upper cover.
3. the gas-detecting device according to claim 1 with water-proof function, which is characterized in that the waterproof sealing group
Part includes waterproof grommet and waterproof sealing gasket, and the waterproof grommet and waterproof sealing gasket shape and size are adapted to.
4. the gas-detecting device according to claim 1 with water-proof function, which is characterized in that the protection lid and bottom
The hermetically sealed formation seal cavity of seat, the gas sensor and control circuit are sealingly disposed in the seal cavity.
5. the gas-detecting device according to claim 1 with water-proof function, which is characterized in that the needle stand circuit board
Including needle stand circuit and needle stand.
6. the gas-detecting device according to claim 1 with water-proof function, which is characterized in that the needle stand circuit board
It is fixed at by polymer reperfusion mode in the lid of the gas chamber upper cover.
7. the gas-detecting device according to claim 6 with water-proof function, which is characterized in that the polymer is ring
Oxygen resin.
8. the gas-detecting device according to claim 1 with water-proof function, which is characterized in that the waterproof ventilated membrane
Piece is fixed at by physics pressing mode on the air inlet of the gas chamber lower cover.
9. the gas-detecting device according to claim 1 with water-proof function, which is characterized in that the waterproof ventilated membrane
Piece is fixed at by bonding way on the air inlet of the gas chamber lower cover.
10. the gas-detecting device according to claim 1 with water-proof function, which is characterized in that further include detachable
The sealing cover outside the gas chamber lower cover is arranged in ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820200450.9U CN207816933U (en) | 2018-02-06 | 2018-02-06 | Gas-detecting device with water-proof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820200450.9U CN207816933U (en) | 2018-02-06 | 2018-02-06 | Gas-detecting device with water-proof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207816933U true CN207816933U (en) | 2018-09-04 |
Family
ID=63320598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820200450.9U Active CN207816933U (en) | 2018-02-06 | 2018-02-06 | Gas-detecting device with water-proof function |
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| CN (1) | CN207816933U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487616A (en) * | 2019-08-23 | 2019-11-22 | 中国科学院广州地球化学研究所 | A kind of reaction chamber and VOC sensor of VOC sensor |
| CN110867427A (en) * | 2019-11-28 | 2020-03-06 | 宁波安创电子科技有限公司 | Sealing structure for NOX sensor chip |
-
2018
- 2018-02-06 CN CN201820200450.9U patent/CN207816933U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487616A (en) * | 2019-08-23 | 2019-11-22 | 中国科学院广州地球化学研究所 | A kind of reaction chamber and VOC sensor of VOC sensor |
| CN110867427A (en) * | 2019-11-28 | 2020-03-06 | 宁波安创电子科技有限公司 | Sealing structure for NOX sensor chip |
| CN110867427B (en) * | 2019-11-28 | 2021-10-15 | 宁波安创电子科技有限公司 | Sealing structure for NOX sensor chip |
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