CN213336621U - Gauge pressure sensor calibration tool - Google Patents
Gauge pressure sensor calibration tool Download PDFInfo
- Publication number
- CN213336621U CN213336621U CN202022728662.4U CN202022728662U CN213336621U CN 213336621 U CN213336621 U CN 213336621U CN 202022728662 U CN202022728662 U CN 202022728662U CN 213336621 U CN213336621 U CN 213336621U
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- gas circuit
- circuit board
- connecting hole
- gauge pressure
- pressure sensor
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Abstract
The utility model discloses a frock is markd to gauge pressure sensor, be equipped with the pipeline on the sensor, including the gas circuit board, the inside gas circuit of having seted up of gas circuit board, the gas circuit is connected with the air supply, the upper surface of gas circuit board is equipped with a plurality of connecting hole, the connecting hole with the gas circuit intercommunication, be equipped with O shape circle in the connecting hole, the pipeline passes through O shape circle is installed in the connecting hole. The utility model is provided with the gas circuit board, a plurality of sensors are simultaneously arranged on the gas circuit board, a plurality of sensors can be simultaneously calibrated, the efficiency is high, and the use is convenient; the O-shaped ring is arranged in the connecting hole on the gas circuit board, so that the sealing performance can be ensured, and the gas can not leak at high temperature; the utility model is provided with the thimble, the sensor can be automatically ejected out after the calibration is finished, the manual work is replaced, and the time and the labor are saved; the utility model discloses it is airtight under the high low temperature, easily connect, the reliability is high, not disturbed by stress, efficient.
Description
Technical Field
The utility model relates to a mark, specifically a frock is markd to gauge pressure sensor.
Background
At present, calibration of the gauge pressure sensor with the air tap is generally realized by adopting an air pipe inserting mode, air leakage of the air pipe is easy to occur due to expansion caused by heat and contraction caused by cold at high and low temperatures, batch calibration is inaccurate or even cannot be performed during batch calibration, and the air pipe inserting and pulling is time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
For solving the defect of above-mentioned prior art, the utility model provides a gauge pressure sensor marks frock, the utility model discloses high low temperature is airtight down, easy connection, and the reliability is high, does not receive stress interference, and is efficient.
In order to achieve the technical purpose, the utility model adopts the following technical scheme: the utility model provides a gauge pressure sensor calibrates frock, be equipped with the pipeline on the sensor, including the gas circuit board, the inside gas circuit of having seted up of gas circuit board, the gas circuit is connected with the air supply, the upper surface of gas circuit board is equipped with a plurality of connecting hole, the connecting hole with the gas circuit intercommunication, be equipped with O shape circle in the connecting hole, the pipeline passes through O shape circle is installed in the connecting hole.
Furthermore, an air inlet and an air outlet are formed in one side face of the air circuit board and communicated with the air circuit and the air source.
Furthermore, a pressing plate is further arranged above the gas circuit board, a mounting area for mounting the sensor is arranged on the pressing plate, a mounting hole is formed in the mounting area, and the pipeline penetrates through the mounting hole and then extends into the connecting hole.
Furthermore, both sides of the mounting area are provided with spacing blocks.
Further, still include the thimble board, be equipped with a plurality of thimble on the thimble board, the thimble will the sensor is followed the installation region is ejecting.
Furthermore, first through holes are formed in the periphery of the connecting hole, second through holes are formed in the periphery of the mounting area, and the ejector pin penetrates into the second through holes from the first through holes and then pushes up the sensor.
Further, one sensor is fitted with four of the first through holes and four of the second through holes.
Furthermore, a pressing plate, a contact pin limiting plate, a PCB and an upper pressing plate are sequentially arranged above the pressing plate.
To sum up, the utility model discloses following technological effect has been gained:
1. the utility model is provided with the gas circuit board, a plurality of sensors are simultaneously arranged on the gas circuit board, a plurality of sensors can be simultaneously calibrated, the efficiency is high, and the use is convenient;
2. the O-shaped ring is arranged in the connecting hole on the gas circuit board, so that the sealing performance can be ensured, and the gas can not leak at high temperature;
3. the utility model is provided with the thimble, the sensor can be automatically ejected out after the calibration is finished, the manual work is replaced, and the time and the labor are saved;
4. the utility model has the advantages of no air leakage at high and low temperature, easy connection, high reliability, no stress interference and high efficiency;
5. arranging an O-shaped ring in a connecting hole 201 on the gas circuit board 2, placing the pressure plate 5 on the gas circuit board 2, extending pipelines of a plurality of sensors into the mounting hole 502, then extending into the O-shaped ring to be mutually communicated with a gas circuit, mounting other boards, and connecting a gas source; the gas source injects gas into the gas path, and the gas enters the pipeline to calibrate the sensor; after calibration is finished, the mold is opened, the thimble 101 is pushed up to penetrate through the two through holes to contact the lower side surface of the sensor body, and the sensor is pushed out.
Drawings
Fig. 1 is a schematic view of a tool provided in an embodiment of the present invention;
FIG. 2 is a schematic view of an ejector plate;
FIG. 3 is a schematic view of a gas panel;
FIG. 4 is a schematic view of a platen;
FIG. 5 is a schematic view of a sensor installation;
fig. 6 is a schematic view of a hold-down plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Example (b):
a gauge pressure sensor calibration tool is characterized in that a pipeline is arranged at the bottom of a sensor 10 and used for gas inlet and outlet.
The gas circuit board calibration device comprises a gas circuit board 2, a pressing plate 5 is further arranged above the gas circuit board 2, an ejector plate 1 (shown in figure 2) is arranged below the gas circuit board 2, an ejector pin 101 is fixed on the ejector plate 1, a sensor 10 is calibrated on the gas circuit board 2, the pressing plate 5 is used for installing the sensor 10 on the gas circuit board 2, and the ejector pin 101 is used for ejecting the sensor 10 after calibration is finished.
As shown in fig. 3, an air path (not shown) is formed inside the air path plate 2, the air path is arranged in a transverse and longitudinal staggered manner, the air path is connected with an air source (not shown), the upper surface of the air path plate 2 is provided with a plurality of connecting holes 201, the connecting holes 201 are communicated with the air path, O-rings (not shown) are arranged in the connecting holes 201, and the pipeline is installed in the connecting holes 201 through the O-rings. The pipeline (not shown) of the sensor 10 is arranged in the connecting hole 201, the sensor 10 is inflated by an air source to realize calibration, and the pipeline is sealed by an O-shaped ring to prevent air leakage.
Specifically, an air inlet and outlet 3 (shown in fig. 1) is formed in one side surface of the air channel plate 2, the air inlet and outlet 3 is communicated with an air channel and an air source, and the rest openings of the air channel are blocked by plugs 11.
As shown in fig. 4, a mounting area 501 for mounting the sensor 10 is provided on the pressure plate 5, a mounting hole 502 is provided in the mounting area 501, and the pipeline passes through the mounting hole 502 and then extends into the connecting hole 201, so that the body of the sensor 10 is located on the pressure plate 5, and only the pipeline passes through the pressure plate 5 and then is mounted on the gas circuit board 2.
Furthermore, the two sides of the mounting region 501 are provided with the spacers 504, so that the plurality of sensors 10 are isolated from each other, and the mounting and the taking out are facilitated.
Further, in order to cooperate with the use of the thimble 101, through holes are opened on the gas circuit board 2 and the pressure plate 5: as shown in fig. 3, a first through hole 202 is formed around the connection hole 201, the first through hole 202 does not interfere with the air path, as shown in fig. 4, a second through hole 503 is formed around the mounting area 501, and the thimble 101 penetrates from the first through hole 202 to the second through hole 503 and then pushes up the sensor 10 to the lower side surface of the sensor 10 body, as shown in fig. 5.
Further, in order to ensure the stability of the ejector pin 101 ejecting out the sensor 10, one sensor 10 is fitted with four first through holes 202 and four second through holes 503.
Further, as shown in fig. 1, a pressing plate 6, a pin limiting plate 7, a PCB 8, and an upper pressing plate 9 are sequentially disposed above the pressing plate 5, and positioning blocks 4 are further disposed at two ends between the PCB 8 and the circuit board 2, and are used for fixing and positioning the PCB 8 and the upper pressing plate 9.
Further, as shown in fig. 6, a plurality of projections are provided on the lower side of the pressing plate 6 for pressing the sensor 10, thereby ensuring stability of the sensor 10 during calibration.
The working principle is as follows:
arranging an O-shaped ring in a connecting hole 201 on the gas circuit board 2, placing the pressure plate 5 on the gas circuit board 2, extending pipelines of a plurality of sensors into the mounting hole 502, then extending into the O-shaped ring to be mutually communicated with a gas circuit, mounting other boards, and connecting a gas source;
the gas source injects gas into the gas path, and the gas enters the pipeline to calibrate the sensor;
after calibration is finished, the mold is opened, the thimble 101 is pushed up to penetrate through the two through holes to contact the lower side surface of the sensor body, and the sensor is pushed out.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all the modifications and equivalents of the technical spirit of the present invention to any simple modifications of the above embodiments are within the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a gauge pressure sensor marks frock, be equipped with the pipeline on the sensor, its characterized in that: including gas circuit board (2), the inside gas circuit of having seted up of gas circuit board (2), the gas circuit is connected with the air supply, the upper surface of gas circuit board (2) is equipped with a plurality of connecting hole (201), connecting hole (201) with the gas circuit intercommunication, be equipped with O shape circle in connecting hole (201), the pipeline passes through O shape circle is installed in connecting hole (201).
2. The gauge pressure sensor calibration tool according to claim 1, characterized in that: and a gas inlet and outlet (3) is formed in one side surface of the gas circuit board (2), and the gas inlet and outlet (3) is communicated with the gas circuit and the gas source.
3. The gauge pressure sensor calibration tool according to claim 2, characterized in that: the sensor is characterized in that a pressing plate (5) is further arranged above the gas circuit board (2), a mounting area (501) of the sensor is arranged on the pressing plate (5), a mounting hole (502) is formed in the mounting area (501), and the pipeline penetrates through the mounting hole (502) and then extends into the connecting hole (201).
4. The gauge pressure sensor calibration tool according to claim 3, wherein: and two sides of the mounting area (501) are provided with spacing blocks (504).
5. The gauge pressure sensor calibration tool according to claim 4, wherein: still include thimble board (1), be equipped with a plurality of thimble (101) on thimble board (1), thimble (101) will the sensor is followed installation area (501) are ejecting.
6. The gauge pressure sensor calibration tool according to claim 5, wherein: first through holes (202) are formed in the periphery of the connecting hole (201), second through holes (503) are formed in the periphery of the mounting area (501), and the ejector pin (101) penetrates into the second through holes (503) from the first through holes (202) and then pushes up the sensor.
7. The gauge pressure sensor calibration tool according to claim 6, wherein: one of the sensors is fitted with four of the first through holes (202) and four of the second through holes (503).
8. The gauge pressure sensor calibration tool according to claim 7, wherein: and a pressing plate (6), a pin limiting plate (7), a PCB (printed circuit board) plate (8) and an upper pressing plate (9) are sequentially arranged above the pressing plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022728662.4U CN213336621U (en) | 2020-11-23 | 2020-11-23 | Gauge pressure sensor calibration tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022728662.4U CN213336621U (en) | 2020-11-23 | 2020-11-23 | Gauge pressure sensor calibration tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213336621U true CN213336621U (en) | 2021-06-01 |
Family
ID=76077933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022728662.4U Active CN213336621U (en) | 2020-11-23 | 2020-11-23 | Gauge pressure sensor calibration tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213336621U (en) |
-
2020
- 2020-11-23 CN CN202022728662.4U patent/CN213336621U/en active Active
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