CN210400714U - Negative pressure sensor calibration frock - Google Patents
Negative pressure sensor calibration frock Download PDFInfo
- Publication number
- CN210400714U CN210400714U CN201921752781.4U CN201921752781U CN210400714U CN 210400714 U CN210400714 U CN 210400714U CN 201921752781 U CN201921752781 U CN 201921752781U CN 210400714 U CN210400714 U CN 210400714U
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- China
- Prior art keywords
- pressure sensor
- negative pressure
- air supply
- supply port
- socket
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- 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.)
- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model provides a negative pressure sensor calibration tool, including test panel and closing device, the gas supply channel has been buried underground in the test panel, be equipped with air supply port and socket on the test panel, the air supply port with the gas supply channel intercommunication; when the negative pressure sensor is tested, the pressing device tightly presses the negative pressure sensor, the negative pressure sensor is communicated with the air supply port in an air-tight mode, and the negative pressure sensor is electrically connected with the socket. The pressure sensor is in butt joint with the air supply port on the test board and then is compressed, so that the air tightness between the pressure sensor and the air supply port is good, and the test is accurate; especially, a plurality of pressure sensors can detect simultaneously, and the detection is quick and convenient.
Description
Technical Field
The utility model belongs to the technical field of the calibration frock, concretely relates to negative pressure sensor calibration frock.
Background
The existing pressure sensor calibration tool is low in calibration efficiency, inconvenient to operate and failed in calibration due to poor sealing.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in providing a negative pressure sensor calibration frock, the gas tightness is good, and the calibration is efficient.
In order to solve the problems, the utility model provides a negative pressure sensor calibration tool, which comprises a test board and a pressing device, wherein an air supply channel is embedded in the test board, an air supply port and a socket are arranged on the test board, and the air supply port is communicated with the air supply channel; when the negative pressure sensor is tested, the pressing device tightly presses the negative pressure sensor, the negative pressure sensor is communicated with the air supply port in an air-tight mode, and the negative pressure sensor is electrically connected with the socket.
Preferably, negative pressure sensor calibration frock still includes positioner, positioner establishes survey on the board, it is right negative pressure sensor advances line location, is convenient for negative pressure sensor with the intercommunication is aimed at to the air feed port.
Preferably, the negative pressure sensor calibration tool further comprises a sealing gasket, and the sealing gasket is arranged between the negative pressure sensor and the air supply port.
Preferably, the gas supply port and the socket are provided in plurality.
Preferably, the plurality of air supply ports are arranged in a plurality of rows.
Preferably, the pressing device is a pressing strip, and one pressing strip is arranged at each row of the air supply ports.
The utility model provides a negative pressure sensor calibration frock, including test panel and closing device, the gas supply passageway has been buried underground in the test panel, be equipped with air supply port and socket on the test panel, the air supply port with the gas supply passageway communicates; when the negative pressure sensor is tested, the pressing device tightly presses the negative pressure sensor, the negative pressure sensor is communicated with the air supply port in an air-tight mode, and the negative pressure sensor is electrically connected with the socket. The pressure sensor is in butt joint with the air supply port on the test board and then is compressed, so that the air tightness between the pressure sensor and the air supply port is good, and the test is accurate; especially, a plurality of pressure sensors can detect simultaneously, and the detection is quick and convenient.
Drawings
Fig. 1 is a top view of a calibration fixture for a negative pressure sensor according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of an embodiment of the present invention.
The reference numerals are represented as:
1. a test board; 11. a gas supply channel; 12. a socket; 2. a pressing strip 3 and a positioning pin; 4. a pressure sensor; 5. and a gasket.
Detailed Description
Referring to fig. 1 to 2 in combination, according to an embodiment of the present invention, a calibration tool for a negative pressure sensor 4 includes a test board 1 and a pressing device, an air supply channel 11 is embedded in the test board 1, the test board 1 is provided with an air supply port and a socket 12, and the air supply port is communicated with the air supply channel 11; when the negative pressure sensor 4 is tested, the pressing device tightly presses the negative pressure sensor 4, the negative pressure sensor 4 is communicated with the air supply port in an air-tight mode, and the negative pressure sensor 4 is electrically connected with the socket 12.
The gas supply channel 11 is buried in the test board 1, and the gas supply port communicated with the gas supply channel 11 is communicated with the pressure sensor 4, and the pressure sensor 4 is buckled and pressed by the pressing device, so that the pressure sensor 4 is stably communicated with the gas supply port, and detection and calibration are facilitated.
Negative pressure force transducer 4 calibration frock is still including positioner, positioner establishes survey test panel 1 is last, right like locating pin 3 negative pressure force transducer 4 advances line location, is convenient for negative pressure force transducer 4 with the intercommunication is aimed at to the air supply port.
The positioning device can conveniently enable the pressure sensor 4 to be in butt joint with the air supply port, and the operation is simple, convenient and quick.
The calibration tool for the negative pressure sensor 4 further comprises a sealing gasket 5, wherein the sealing gasket 5 is arranged between the negative pressure sensor 4 and the air supply port. A sealing gasket 5 is additionally arranged between the pressure sensor 4 and the air supply port to improve the air tightness between the pressure sensor 4 and the air supply port, and the sealing gasket 5 is an O-shaped sealing ring or a similar structure to ensure that the air supply port and the pressure sensor 4 are communicated without leakage.
The air supply port and the socket 12 are provided in plurality. Therefore, the pressure sensors 4 can be synchronously detected, the efficiency is high, and the speed is high.
The plurality of air supply ports are arranged in a plurality of rows, so that the air supply device is easy to manufacture and convenient to operate.
The pressing device is a pressing strip 2, one pressing strip 2 is arranged at each row of the air supply ports, and the pressing strips 2 are arranged on the test board 1 in rows, so that the pressing strips 2 can be used for pressing the pressure sensors 4 in the rows.
It is easily understood by those skilled in the art that the above embodiments can be freely combined and superimposed without conflict.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The negative pressure sensor calibration tool is characterized by comprising a test board (1) and a pressing device, wherein an air supply channel (11) is buried in the test board (1), an air supply port and a socket (12) are arranged on the test board (1), and the air supply port is communicated with the air supply channel (11); when the negative pressure sensor (4) is tested, the pressing device tightly presses the negative pressure sensor (4), the negative pressure sensor (4) is communicated with the air supply port in an air-tight mode, and the negative pressure sensor (4) is electrically connected with the socket (12).
2. The negative pressure sensor calibration tool according to claim 1, further comprising a positioning device, wherein the positioning device is arranged on the test plate (1) to position the negative pressure sensor (4), so that the negative pressure sensor (4) is aligned and communicated with the air supply port.
3. The negative pressure sensor calibration tool according to claim 2, wherein the negative pressure sensor (4) calibration tool further comprises a sealing gasket (5), and the sealing gasket (5) is arranged between the negative pressure sensor (4) and the air supply port.
4. The negative pressure sensor calibration tool according to claim 1, 2 or 3, wherein a plurality of the air supply ports and the socket (12) are provided.
5. The negative pressure sensor calibration tool according to claim 4, wherein the plurality of air supply ports are arranged in a plurality of rows.
6. The negative pressure sensor calibration tool according to claim 5, wherein the compressing device is a pressing strip (2), and one pressing strip (2) is arranged at each row of the air supply ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752781.4U CN210400714U (en) | 2019-10-18 | 2019-10-18 | Negative pressure sensor calibration frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921752781.4U CN210400714U (en) | 2019-10-18 | 2019-10-18 | Negative pressure sensor calibration frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210400714U true CN210400714U (en) | 2020-04-24 |
Family
ID=70342700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921752781.4U Expired - Fee Related CN210400714U (en) | 2019-10-18 | 2019-10-18 | Negative pressure sensor calibration frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210400714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707405A (en) * | 2020-08-19 | 2020-09-25 | 歌尔光学科技有限公司 | Testing device |
-
2019
- 2019-10-18 CN CN201921752781.4U patent/CN210400714U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707405A (en) * | 2020-08-19 | 2020-09-25 | 歌尔光学科技有限公司 | Testing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 |