CN212540221U - Patch type electrochemical gas sensor - Google Patents
Patch type electrochemical gas sensor Download PDFInfo
- Publication number
- CN212540221U CN212540221U CN202021219171.0U CN202021219171U CN212540221U CN 212540221 U CN212540221 U CN 212540221U CN 202021219171 U CN202021219171 U CN 202021219171U CN 212540221 U CN212540221 U CN 212540221U
- Authority
- CN
- China
- Prior art keywords
- gas
- base
- gas sensor
- cover body
- sensitive detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model provides a surface mount electrochemical gas sensor, which comprises a base, a gas-sensitive detection body and a cover body, wherein the top of the cover body is provided with an air inlet, the bottom of the base is provided with a metal contact, the base is provided with a connecting column, and the connecting column is electrically connected with the metal contact; the gas-sensitive detection body is arranged on the base and is connected with the connecting column through a lead; the cover body is covered outside the gas-sensitive detection body and arranged on the base. The patch type electrochemical gas sensor has the advantages of small volume and convenient use.
Description
Technical Field
The utility model relates to a SMD electrochemistry gas sensor.
Background
An Electrochemical gas sensor (Electrochemical gas sensor) is a detector that measures a current by oxidizing or reducing a gas to be measured at an electrode, and obtains a concentration of the gas to be measured. The existing electrochemical gas sensor is in a lead pin mode and is welded on a circuit board through the lead pin. In order to facilitate specific use, the lead pins are generally longer, and are trimmed according to requirements when used, so that the process is more and the use is troublesome; and the contact pin can not be completely cut off during welding, and the sensor occupies a large space after being welded by the contact pin, so that the whole volume of the circuit board is large.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem existing in the background art, the utility model provides a SMD electrochemistry gas sensor.
A patch type electrochemical gas sensor comprises a base, a gas-sensitive detection body and a cover body, wherein the top of the cover body is provided with an air inlet, the bottom of the base is provided with a metal contact, the base is provided with a connecting column, and the connecting column is electrically connected with the metal contact; the gas-sensitive detection body is arranged on the base and is connected with the connecting column through a lead; the cover body is covered outside the gas-sensitive detection body and arranged on the base.
Based on the above, the gas-sensitive detection body comprises a heating electrode, a measuring electrode and a gas-sensitive material, wherein the measuring electrode is arranged on the heating electrode, and the gas-sensitive material is coated on the measuring electrode.
Based on the above, the number of the metal contacts and the number of the connecting columns are four, the heating electrodes are connected with two of the connecting columns, and the measuring electrodes are connected with the other two connecting columns.
Based on the above, the lower part of the air inlet hole at the inner side of the cover body is provided with a waterproof breathable film.
The utility model discloses relative prior art has substantive characteristics and progress, specific theory, the utility model discloses a set up the metal contact and the spliced pole of mutually supporting on the base for the sensor passes through the mode setting of paster on the circuit board, has avoided the process of cutting the foot, has also reduced the space of sensor on the circuit board and has occupy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a side view of the cross-sectional structure of the present invention.
Fig. 2 is a schematic view of the top view structure of the inside of the present invention.
In the figure: 1. a base; 2. a cover body; 3. connecting columns; 4. a metal contact; 5. heating the electrode; 6. a measuring electrode; 7. a gas sensitive material; 8. a waterproof breathable film; 9. an air inlet; 10. and (4) conducting wires.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, a surface mount electrochemical gas sensor includes a substrate 1, a gas-sensitive detection body, and a cover 2, wherein an air inlet 9 is disposed at the top of the cover 2, a metal contact 4 is disposed at the bottom of the substrate 1, a connection column 3 is disposed on the substrate 1, and the connection column 3 is electrically connected to the metal contact 4; the gas-sensitive detection body is arranged on the base 1 and is connected with the connecting column 3 through a lead 10; the cover body 2 is covered outside the gas-sensitive detection body and is arranged on the base 1.
When the gas sensor is used, the sensor is arranged on the circuit board through the metal contact 4, and gas enters the cover body 2 through the gas inlet hole 9 and contacts with a gas-sensitive detection body to detect the gas.
Specifically, the gas-sensitive detection body comprises a metal contact 4, a measuring electrode 6 and a gas-sensitive material 7, wherein the measuring electrode 6 is arranged on the metal contact 4, and the gas-sensitive material 7 is coated on the measuring electrode 6. The metal contact 4 is used for heating when in use, providing a suitable temperature, and the gas sensitive material 7 and the measuring electrode 6 are used for gas detection.
In this embodiment, there are four metal contacts 4 and four connection posts 3, the metal contacts 4 are connected to two of the connection posts 3, and the measurement electrode 6 is connected to the other two connection posts 3.
Preferably, a waterproof breathable film 8 is arranged at the lower part of the air inlet 9 at the inner side of the cover body 2, and the waterproof breathable film 8 is actually a PTFE film and is used for waterproofing.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. A patch type electrochemical gas sensor is characterized in that: the gas sensor comprises a base, a gas-sensitive detection body and a cover body, wherein an air inlet is formed in the top of the cover body, a metal contact is formed in the bottom of the base, a connecting column is arranged on the base, and the connecting column is electrically connected with the metal contact; the gas-sensitive detection body is arranged on the base and is connected with the connecting column through a lead; the cover body is covered outside the gas-sensitive detection body and arranged on the base.
2. The patch-type electrochemical gas sensor according to claim 1, wherein: the gas-sensitive detection body comprises a heating electrode, a measuring electrode and a gas-sensitive material, wherein the measuring electrode is arranged on the heating electrode, and the gas-sensitive material is coated on the measuring electrode.
3. The patch-type electrochemical gas sensor according to claim 2, wherein: the number of the metal contacts and the number of the connecting columns are four respectively, the heating electrodes are connected with two of the connecting columns, and the measuring electrodes are connected with the other two connecting columns.
4. The patch-type electrochemical gas sensor according to claim 1, wherein: and a waterproof breathable film is arranged at the lower part of the air inlet at the inner side of the cover body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021219171.0U CN212540221U (en) | 2020-06-28 | 2020-06-28 | Patch type electrochemical gas sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021219171.0U CN212540221U (en) | 2020-06-28 | 2020-06-28 | Patch type electrochemical gas sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212540221U true CN212540221U (en) | 2021-02-12 |
Family
ID=74545694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021219171.0U Active CN212540221U (en) | 2020-06-28 | 2020-06-28 | Patch type electrochemical gas sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212540221U (en) |
-
2020
- 2020-06-28 CN CN202021219171.0U patent/CN212540221U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0762116B1 (en) | Amperometric gas sensor | |
| TW306078B (en) | ||
| EP0886776B1 (en) | Electrochemical sensor | |
| US11231389B2 (en) | Method and apparatus for electrolyte concentration measurement in an electrochemical sensor | |
| EP3901625A1 (en) | Method and apparatus for measuring humidity using an electrochemical gas sensor | |
| CN212540221U (en) | Patch type electrochemical gas sensor | |
| JPS59163558A (en) | Electrochemical apparatus | |
| CN106404843A (en) | Electrical measurement based four-point type nondestructive test probe with adaptive adjustment | |
| CN109612921B (en) | Corrosion monitoring sensor and preparation method thereof | |
| WO1995002817A1 (en) | Fuel cells | |
| US9400257B2 (en) | Sensors and sensor housing systems | |
| JPH084609Y2 (en) | Conductivity meter | |
| US4973395A (en) | Humidified high sensitivity oxygen detector | |
| RU90204U1 (en) | DEVICE FOR CONTROL OF SECURITY OF UNDERGROUND METAL STRUCTURES | |
| EP0103588A1 (en) | Device for determining hydrogen flux | |
| KR200175157Y1 (en) | Oxygen sensor | |
| EP0363427A1 (en) | Electrochemical micro sensor | |
| CN215813040U (en) | Proton conductivity testing device for proton exchange membrane | |
| CN217133028U (en) | Electrochemical gas sensor | |
| JPS6428555A (en) | Enzyme sensor | |
| KR200175158Y1 (en) | Toxic gas sensor | |
| CN115266840A (en) | Machine learning auxiliary flexible wearable hydrogen sulfide detection device | |
| JP2761086B2 (en) | Electrochemical gas sensor device | |
| JPH1038843A (en) | Gas/moisture sensor for inert gas | |
| TW522233B (en) | Mobile sensor device for detecting the activity of electrochemical catalyst electrode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |