CN216350588U - Tool for detecting performance index of gas sensor - Google Patents
Tool for detecting performance index of gas sensor Download PDFInfo
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- CN216350588U CN216350588U CN202122537152.3U CN202122537152U CN216350588U CN 216350588 U CN216350588 U CN 216350588U CN 202122537152 U CN202122537152 U CN 202122537152U CN 216350588 U CN216350588 U CN 216350588U
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Abstract
The utility model relates to a tool for detecting performance indexes of a gas sensor, which comprises a plurality of groups of detection systems, wherein each group of detection systems comprises a valve, a detection unit and an air pump, the detection unit is provided with an air inlet and an air outlet, the outlet of the valve is communicated with the air inlet of the detection unit through a pipeline, and the air outlet of the detection unit is communicated with the air inlet of the air pump through a pipeline; the detection unit comprises a detection circuit board and an air cavity shell, the air cavity shell is detachably connected with the detection circuit board, an air inlet and an air outlet of the detection unit are respectively positioned at the left end and the right end of the air cavity shell, a plurality of sensor mounting holes are formed in the air cavity shell, a plurality of groups of sensor sockets are formed in the detection circuit board, and each sensor mounting hole is communicated with the air inlet and the air outlet of the detection unit; according to the utility model, multiple groups of detection systems are arranged, and each group of detection systems can simultaneously detect multiple gas sensors to be detected, so that the detection efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of gas sensor detection equipment, in particular to a tool for detecting performance indexes of a gas sensor.
Background
A gas sensor is a transducer that converts a certain gas volume fraction into a corresponding electrical signal. The probe conditions the gas sample through the gas sensor, typically including filtering out impurities and interfering gases, drying or refrigerating the instrument display. The device converts information such as the composition and concentration of gas into information usable by personnel, instruments, computers, and the like.
After the production of the gas sensor is finished, the performance of the gas sensor needs to be detected, in the traditional production technology, the detection of the finished product gas sensor is single detection, the detection efficiency is very low, and the production efficiency of enterprises is greatly reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that the detection efficiency of a gas sensor is low in the prior production technology, the utility model provides a tool for detecting the performance index of the gas sensor.
The technical scheme for solving the technical problems is as follows:
a tool for detecting performance indexes of a gas sensor comprises a plurality of groups of detection systems, wherein each group of detection systems comprises a valve, a detection unit and an air pump, the detection unit is provided with an air inlet and an air outlet, the outlet of the valve is communicated with the air inlet of the detection unit through a pipeline, and the air outlet of the detection unit is communicated with the air inlet of the air pump through a pipeline; the detection unit comprises a detection circuit board and an air cavity shell, the air cavity shell is detachably connected with the detection circuit board, an air inlet and an air outlet of the detection unit are respectively positioned at the left end and the right end of the air cavity shell, a plurality of sensor mounting holes are formed in the air cavity shell, a plurality of groups of sensor sockets are arranged on the detection circuit board, and each sensor mounting hole is communicated with the air inlet and the air outlet of the detection unit.
The utility model has the beneficial effects that: installing a gas sensor to be detected in a sensor mounting hole, inserting a pin of the gas sensor to be detected into a sensor socket on a detection circuit board, opening a valve, starting an air pump, allowing the gas to be detected to enter a detection unit through the valve, detecting the gas to be detected in the detection unit by the gas sensor to be detected, if the performance index of the gas sensor to be detected is qualified, enabling an electric signal transmitted to the detection circuit board by the gas sensor to be detected to be normal, and if the performance index of the gas sensor to be detected is unqualified, enabling the electric signal transmitted to the detection circuit board by the gas sensor to be detected to be abnormal, so as to detect the performance index of the gas sensor to be detected; in the utility model, a plurality of groups of detection systems are arranged, and each group of detection systems can simultaneously detect a plurality of gas sensors to be detected, so that in practical production application, compared with the detection technology of only one gas sensor to be detected in the traditional production each time, the utility model can greatly improve the product detection efficiency, thereby improving the production efficiency.
On the basis of the technical scheme, the utility model can be further improved as follows.
Further, each group of detection systems further comprises a mass flow controller, wherein an air inlet of the mass flow controller is communicated with an outlet of the valve through a pipeline, and an air outlet of the mass flow controller is communicated with an air inlet of the detection unit through a pipeline.
The beneficial effect of adopting the further scheme is that: the flow of the gas to be detected entering the detection unit can be accurately controlled by arranging the mass flow controller, the detection environment of the gas sensor to be detected is changed by changing the flow of the gas to be detected entering the detection unit, and the detection performance of the gas sensor to be detected under different flow environments is realized.
Further, the model of the mass flow controller is PI G-MC 201.
Furthermore, the device also comprises a bottom plate, and all the detection systems are fixedly arranged on the bottom plate.
Further, the air cavity shell sequentially comprises an air cavity upper shell and an air cavity lower shell from top to bottom, the air inlet and the air outlet of the detection unit are respectively positioned at the left end and the right end of the air cavity upper shell, the lower end of the air cavity upper shell is provided with a plurality of detection air holes, and each detection air hole is communicated with the air inlet and the air outlet of the detection unit; the sensor mounting hole is positioned on the lower air cavity shell.
Further, the detection air hole and the sensor mounting hole are provided with sealing rings.
The flow divider comprises a main body, a main air inlet hole and a plurality of flow dividing air outlet holes are formed in the main body, and all the flow dividing air outlet holes are communicated with the main air inlet hole; each branch air outlet is communicated with the inlet of one valve.
The beneficial effect of adopting the further scheme is that: the arrangement of the flow divider can improve the integration level of the valves and reduce the use number of pipelines.
Furthermore, quick connectors for air are arranged at the main air inlet, the air inlet and the air outlet of the detection unit.
The beneficial effect of adopting the further scheme is that: the use of quick-operation joint for the air, the pipeline can be used between each interface of being convenient for and carry out high-speed joint, reduces the installation time of this frock.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
fig. 3 is a schematic perspective view of the detection unit.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a valve; 2. a mass flow controller; 3. a detection unit; 4. an air pump; 5. a base plate; 6. detecting the circuit board; 7. a seal ring; 8. an air cavity lower shell; 9. a gas sensor to be measured; 10. an air cavity upper shell; 11. detecting air holes; 12. a sensor mounting hole; 13. a flow divider.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1 to 2, the present invention provides a tool for detecting performance indexes of a gas sensor, including five groups of detection systems, each group of detection system includes a valve 1, a detection unit 3 and an air pump 4, the detection unit 3 is provided with an air inlet and an air outlet, the outlet of the valve 1 is communicated with the air inlet of the detection unit 3 through a pipeline, and the air outlet of the detection unit 3 is communicated with the air inlet of the air pump 4 through a pipeline; the detection unit 3 comprises a detection circuit board 6 and an air cavity shell, the air cavity shell is detachably connected with the detection circuit board 6, an air inlet and an air outlet of the detection unit 3 are respectively located at the left end and the right end of the air cavity shell, ten sensor mounting holes 12 are formed in the air cavity shell, ten groups of sensor sockets are arranged on the detection circuit board 6, each group of sensor sockets comprises three jacks, and each sensor mounting hole 12 is communicated with the air inlet and the air outlet of the detection unit 3.
Each group of detection systems further comprises a mass flow controller 2 with the model number of PI G-MC201, wherein the air inlet of the mass flow controller 2 is communicated with the outlet of the valve 1 through a pipeline, and the air outlet of the mass flow controller 2 is communicated with the air inlet of the detection unit 3 through a pipeline.
The flow divider 13 comprises a main body, wherein a main air inlet hole and five flow dividing air outlet holes are formed in the main body, and all the flow dividing air outlet holes are communicated with the main air inlet hole; each of the branched gas outlets communicates with an inlet of one of the valves 1. And quick connectors for air are arranged at the main air inlet, the air inlet and the air outlet of the detection unit 3.
Specifically, the main body, the housing of the air pump 4, and the mass flow controller 2 are also connected to the base plate 5 by screws. The reposition of redundant personnel venthole sets up to the screw hole, utilizes the straight-through coupling of external screw thread to put through reposition of redundant personnel venthole and valve 1's entry to this reduces the use of pipeline, improves the compactness of frock.
As shown in fig. 3, the air cavity shell sequentially comprises an air cavity upper shell 10 and an air cavity lower shell 8 from top to bottom, the air inlet and the air outlet of the detection unit 3 are respectively located at the left end and the right end of the air cavity upper shell 10, ten detection air holes 11 are arranged at the lower end of the air cavity upper shell 10, and each detection air hole 11 is communicated with the air inlet and the air outlet of the detection unit 3; the sensor mounting hole 12 is positioned on the lower air cavity shell 8; ten detection air holes 11 are opposite to ten sensor mounting holes 12 one by one. The detection air hole 11 and the sensor mounting hole 12 are provided with the seal ring 7.
Specifically, the sensor mounting holes 12 are through holes, and ten groups of sensor sockets on the detection circuit board 6 are opposite to the ten sensor mounting holes 12 one by one; the detection circuit board 6 is positioned between the air cavity lower shell 8 and the bottom plate 5, and the detection circuit board 6 is fixedly connected with the air cavity lower shell 8 through screws; air cavity inferior valve 8 passes through screw and 5 fixed connection of bottom plate, and air cavity epitheca 10 can be dismantled with air cavity inferior valve 8 through the screw and be connected, set up eight screw clearing holes that run through air cavity epitheca 10 promptly on air cavity epitheca 10, set up eight and the screw hole one-to-one of screw clearing hole on air cavity inferior valve 8, recycle set screw insert behind the screw clearing hole with the screw hole threaded connection on air cavity inferior valve 8, be convenient for install and take off the gas sensor 9 that awaits measuring in the air cavity casing.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a frock for detecting gas sensor performance index which characterized in that: the device comprises a plurality of groups of detection systems, wherein each group of detection system comprises a valve (1), a detection unit (3) and an air pump (4), the detection unit (3) is provided with an air inlet and an air outlet, the outlet of the valve (1) is communicated with the air inlet of the detection unit (3) through a pipeline, and the air outlet of the detection unit (3) is communicated with the air inlet of the air pump (4) through a pipeline; the detection unit (3) comprises a detection circuit board (6) and an air cavity shell, the air cavity shell is detachably connected with the detection circuit board (6), an air inlet and an air outlet of the detection unit (3) are respectively located at the left end and the right end of the air cavity shell, a plurality of sensor mounting holes (12) are formed in the air cavity shell, a plurality of groups of sensor sockets are arranged on the detection circuit board (6), and each sensor mounting hole (12) is communicated with the air inlet and the air outlet of the detection unit (3).
2. The tool for detecting the performance index of the gas sensor according to claim 1, wherein: each group of detection systems further comprises a mass flow controller (2), wherein the air inlet of the mass flow controller (2) is communicated with the outlet of the valve (1) through a pipeline, and the air outlet of the mass flow controller (2) is communicated with the air inlet of the detection unit (3) through a pipeline.
3. The tool for detecting the performance index of the gas sensor according to claim 2, characterized in that: the model of the mass flow controller (2) is PIG-MC 201.
4. The tool for detecting the performance index of the gas sensor according to claim 1, wherein: the device also comprises a bottom plate (5), and all detection systems are fixedly arranged on the bottom plate (5).
5. The tool for detecting the performance index of the gas sensor according to claim 1, wherein: the air cavity shell sequentially comprises an air cavity upper shell (10) and an air cavity lower shell (8) from top to bottom, an air inlet and an air outlet of the detection unit (3) are respectively positioned at the left end and the right end of the air cavity upper shell (10), a plurality of detection air holes (11) are formed in the lower end of the air cavity upper shell (10), and each detection air hole (11) is communicated with the air inlet and the air outlet of the detection unit (3); the sensor mounting hole (12) is positioned on the lower air cavity shell (8).
6. The tool for detecting the performance index of the gas sensor according to claim 5, wherein: the detection air hole (11) and the sensor mounting hole (12) are provided with sealing rings (7).
7. The tool for detecting the performance index of the gas sensor according to claim 1, wherein: the air distributor comprises a distributor (13), wherein the distributor (13) comprises a main body, a main air inlet hole and a plurality of distribution air outlet holes are formed in the main body, and all the distribution air outlet holes are communicated with the main air inlet hole; each flow dividing air outlet hole is communicated with the inlet of one valve (1).
8. The tool for detecting the performance index of the gas sensor according to claim 7, wherein: the main air inlet, the air inlet and the air outlet of the detection unit (3) are provided with quick connectors for air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122537152.3U CN216350588U (en) | 2021-10-21 | 2021-10-21 | Tool for detecting performance index of gas sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122537152.3U CN216350588U (en) | 2021-10-21 | 2021-10-21 | Tool for detecting performance index of gas sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216350588U true CN216350588U (en) | 2022-04-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122537152.3U Active CN216350588U (en) | 2021-10-21 | 2021-10-21 | Tool for detecting performance index of gas sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216350588U (en) |
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2021
- 2021-10-21 CN CN202122537152.3U patent/CN216350588U/en active Active
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