CN220398792U - Pressure sensor's test fixture - Google Patents
Pressure sensor's test fixture Download PDFInfo
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- CN220398792U CN220398792U CN202322025442.9U CN202322025442U CN220398792U CN 220398792 U CN220398792 U CN 220398792U CN 202322025442 U CN202322025442 U CN 202322025442U CN 220398792 U CN220398792 U CN 220398792U
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- 238000012360 testing method Methods 0.000 title claims abstract description 140
- 238000007789 sealing Methods 0.000 claims abstract description 68
- 239000000523 sample Substances 0.000 claims abstract description 41
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 238000010586 diagram Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of sensor testing, in particular to a testing jig for a pressure sensor, which comprises a base, a mounting assembly and an auxiliary assembly, wherein the mounting assembly comprises a testing female die, a probe plate, a placement template, a detection machine and a sealing member, the testing female die is fixedly connected with the base, the probe plate is fixedly connected with the testing female die, the placement template is fixedly connected with the testing female die, the detection machine is fixedly connected with the base, the sealing member is connected with the base, the pressure sensor is placed in the placement template, the testing female die is sealed through the sealing member, the auxiliary member pressurizes the testing female die after the sealing, the pressure sensor is tested and tested through the probe plate, test data are transmitted to the detection machine, and the detection machine compares and analyzes the data, so that the problem that automatic sealing cannot be carried out is solved.
Description
Technical Field
The utility model relates to the technical field of sensor testing, in particular to a testing jig for a pressure sensor.
Background
A pressure sensor is a device or apparatus that senses a pressure signal and converts the pressure signal into a usable output electrical signal according to a certain rule, and is typically composed of a pressure sensitive element and a signal processing unit. Pressure sensors can be classified into gauge pressure sensors, differential pressure sensors, and absolute pressure sensors, according to the type of test pressure.
The utility model provides a manual pressure sensor test fixture in patent CN217953761U provides high atmospheric pressure to the sensor through the air inlet of lower plate, air guide groove, seals the gas that fills through the sealant of lower plate, the sealing tape that pastes on the upper plate, and the upper cover plate sets up a plurality of sensor arrangement holes, can measure a plurality of sensors once, improves measurement of efficiency.
When the jig is sealed manually, the sealing effect is poor, the operation is inconvenient, the automatic sealing cannot be performed, the downward pressure cannot be provided, the occurrence of air leakage is easily caused when the internal pressure is overlarge, and therefore invalid testing is caused, and the testing efficiency is reduced.
Disclosure of Invention
The utility model aims to provide a testing jig for a pressure sensor, which solves the problem that automatic sealing cannot be performed.
In order to achieve the above object, the utility model provides a test fixture for a pressure sensor, which comprises a base, a mounting assembly and an auxiliary assembly, wherein the mounting assembly comprises a test female die, a probe card, a placement template, a detection machine and a sealing member, the test female die is fixedly connected with the base and is positioned at one side of the base, the probe card is fixedly connected with the test female die and is positioned in the test female die, the placement template is fixedly connected with the test female die and is positioned in the test female die, the detection machine is fixedly connected with the base and is positioned at one side of the base, the sealing member is connected with the base, the pressure sensor is placed in the placement template to seal the test female die through the sealing member, the auxiliary member pressurizes the test female die after sealing, the probe card is used for verifying and testing the pressure sensor and transmitting verification and test data to the detection machine, and the detection machine is used for comparing and analyzing the data, so that the problem that automatic sealing cannot be carried out is solved.
The sealing component comprises a supporting frame, a pressing cylinder, a sealing template and a sealing ring, wherein the supporting frame is fixedly connected with the base and is positioned on a side disc of the base; the lower pressure cylinder is fixedly connected with the support frame and is positioned at one side of the support frame; the sealing template is connected with the output end of the lower pressure cylinder; the sealing ring is fixedly connected with the sealing template and is positioned on one side of the sealing template.
The placement template is provided with detection holes, the probe board is provided with test probes, the number of the detection holes is multiple, and the detection holes penetrate through the placement template; the number of the test probes is multiple, and the test probes penetrate into the detection holes.
The auxiliary assembly comprises an air inlet pipe, a supercharger, a pressure controller and a depressurization member, wherein the air inlet pipe is communicated with the test female die and is positioned at one side of the test female die; the supercharger is fixedly connected with the base, and the output end of the supercharger is communicated with the air inlet pipe; the pressure controller is fixedly connected with the supercharger and is positioned at one side of the supercharger; the depressurization component is connected with the test female die.
The pressure reducing component comprises an air outlet pipe and a control valve, wherein the air outlet pipe is communicated with the test female die and is positioned at one side of the test female die; the control valve is communicated with the air outlet pipe and is positioned at one end of the air outlet pipe.
The utility model relates to a test fixture for a pressure sensor, which comprises a base, a mounting component and an auxiliary component, wherein the mounting component comprises a test female die, a probe plate, a placement template, a detection machine and a sealing component, the sealing component comprises a support frame, a pressing cylinder, a sealing template and a sealing ring, the placement template is provided with a detection hole, the probe plate is provided with a test probe, the auxiliary component comprises an air inlet pipe, a booster, a pressure controller and a depressurization component, the depressurization component comprises an air outlet pipe and a control valve, the test female die is fixedly connected with the base and is positioned at one side of the base, the probe plate is fixedly connected with the test female die and is positioned in the test female die, the detection machine is fixedly connected with the base and is positioned at one side of the base, the sealing component is connected with the base, the auxiliary component is used for sealing the test female die by placing the pressure sensor in the placement template, and is used for automatically analyzing and analyzing data by the probe and the pressure sensor after sealing, and the data can not be compared with the data in the test machine.
Drawings
In order to more clearly illustrate the embodiments of the present application 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.
Fig. 1 is a schematic diagram of the overall structure of a testing fixture of a pressure sensor according to a first embodiment of the present utility model.
Fig. 2 is a schematic diagram showing connection between a placement die plate and a test female die of a test fixture of a pressure sensor according to a first embodiment of the present utility model.
Fig. 3 is a schematic diagram of a testing fixture of a pressure sensor according to a second embodiment of the present utility model.
In the figure: 101-base, 102-test die, 103-probe card, 104-placing template, 105-detecting machine, 106-supporting frame, 107-pressing cylinder, 108-sealing template, 109-sealing ring, 110-detecting hole, 111-test probe, 201-air inlet pipe, 202-booster, 203-pressure controller, 204-air outlet pipe, 205-control valve.
Detailed Description
The following detailed description of embodiments of the utility model, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the utility model.
The first embodiment of the application is as follows:
referring to fig. 1 and 2, fig. 1 is a schematic overall structure of a test fixture of a pressure sensor according to a first embodiment of the present utility model, and fig. 2 is a schematic connection diagram of a placement die plate and a test die of the test fixture of the pressure sensor according to the first embodiment of the present utility model, where the test fixture of the pressure sensor includes a base 101, a mounting assembly and an auxiliary assembly, the mounting assembly includes a test die 102, a probe board 103, a placement die plate 104, a detector 105 and a sealing member, the sealing member includes a support 106, a pressing cylinder 107, a sealing die plate 108 and a sealing ring 109, the placement die plate 104 has a detection hole 110, and the probe board 103 has a test probe 111.
For this embodiment, the pressure sensor is placed in the placement template 104, the sealing member seals the test die 102, the auxiliary member pressurizes the test die 102 after sealing, the probe board 103 performs a test and a test on the pressure sensor, and the test and test data are transmitted to the detector 105, and the detector 105 performs a comparison analysis on the data, thereby solving the problem that automatic sealing cannot be performed.
The test die 102 is fixedly connected with the base 101 and is located at one side of the base 101, the probe board 103 is fixedly connected with the test die 102 and is located at the inside of the test die 102, the placement template 104 is fixedly connected with the test die 102 and is located at the inside of the test die 102, the detector 105 is fixedly connected with the base 101 and is located at one side of the base 101, the sealing member is connected with the base 101, the test die 102 is located above the base 101, the probe board 103 is located at the bottom inside the test die 102, the placement template 104 is located inside the test die 102 and is located above the probe board 103, the detector 105 is located above the base 101, the auxiliary member pressurizes the test die 102 after sealing by placing the pressure sensor in the placement template 104, and the probe board 103 performs a test and a test, and the detector 105 performs an automatic comparison of the test and the detection data.
Secondly, the supporting frame 106 is fixedly connected with the base 101 and is positioned on a side disc of the base 101; the lower pressure cylinder 107 is fixedly connected with the supporting frame 106 and is positioned at one side of the supporting frame 106; the sealing template 108 is connected with the output end of the lower pressure cylinder 107; the sealing ring 109 is fixedly connected with the sealing template 108 and is located on one side of the sealing template 108, the supporting frame 106 is located above the base 101, the pressing cylinder 107 is located below the supporting frame 106, the sealing template 108 is located at the lower end of the pressing cylinder 107, the sealing ring 109 is located below the pressing template, the sealing template 108 is driven to move downwards through the pressing cylinder 107, the sealing template 108 drives the sealing ring 109 to move downwards, the sealing template 108 enables the testing female die 102 to be closed, and the sealing ring 109 enables the testing female die 102 and the sealing template 108 to be sealed.
Then, the placement template 104 has a plurality of test probes 111, the number of test holes 110 is plural, and the test holes 110 penetrate through the placement template 114; the number of the test probes 111 is a plurality, the test probes 111 penetrate into the detection holes 110, and the placement template 104 is provided with a plurality of the detection holes 110 and penetrates through the placement template 104; the test probes 111 have a plurality of test probes and penetrate into the test holes 110, and by placing pressure sensors in the placement templates 104, one pressure sensor needs to insert three test pins into the test holes 110, the test pins of the pressure sensor are in contact with the corresponding test probes 111, and the pressure sensors are verified and clamped by the test probes 111.
When the testing jig for the pressure sensor of this embodiment is used, by placing the pressure sensor in the placement template 104, one pressure sensor needs to insert three detection pins into the detection holes 110, the detection pins of the pressure sensor contact with the corresponding test probes 111, the sealing template 108 is driven to move downward by the pressing cylinder 107, the sealing template 108 drives the sealing ring 109 to move downward, the sealing template 108 closes the testing female die 102, the sealing ring 109 seals the testing female die 102 with the sealing template 108, the auxiliary member pressurizes the testing female die 102 after sealing, and the test probes 111 and the probe boards 103 are used for testing the pressure sensor and comparing and analyzing the test data to the testing machine 105, thereby solving the problem that automatic sealing cannot be performed.
The second embodiment of the present application is:
referring to fig. 3, fig. 3 is a schematic diagram of a testing fixture for a pressure sensor according to a second embodiment of the present utility model, and the testing fixture for a pressure sensor according to the first embodiment further includes an auxiliary assembly, wherein the auxiliary assembly includes an air inlet pipe 201, a supercharger 202, a pressure controller 203, and a pressure reducing member, and the pressure reducing member includes an air outlet pipe 204 and a control valve 205.
For the present embodiment, the booster 202 is used to boost the pressure of the test die 102 through the air inlet pipe 201, and the pressure controller 203 controls the booster 202 to boost the pressure of the test die 102, and after the detection is completed, the pressure reducing component discharges the pressure of the test die 102.
Wherein, the air inlet pipe 201 is communicated with the test female die 102 and is positioned at one side of the test female die 102; the supercharger 202 is fixedly connected with the base 101, and the output end of the supercharger 202 is communicated with the air inlet pipe 201; the pressure controller 203 is fixedly connected with the supercharger 202 and is positioned at one side of the supercharger 202; the pressure reducing component is connected with the test female die 102, one end of the air inlet pipe 201 is communicated with the test female die 102, the pressure booster 202 is communicated with one end of the air inlet pipe 201, which is far away from the test female die 102, the pressure controller 203 is arranged on the upper side of the pressure booster 202, the pressure booster 202 is used for boosting the test female die 102 through the air inlet pipe 201, the pressure controller 203 is used for controlling the pressure booster 202 to boost the pressure of the test female die 102, and after detection is completed, the pressure reducing component is used for discharging the pressure of the test female die 102.
Secondly, the air outlet pipe 204 is communicated with the test female die 102 and is positioned at one side of the test female die 102; the control valve 205 is communicated with the air outlet pipe 204 and is located at one end of the air outlet pipe 204, the air outlet pipe 204 is located at one side of the test female die 102, which is close to the air inlet pipe 201, the control valve 205 is located at one end of the air outlet pipe 204, which is far away from the test female die 102, and after detection, the pressure in the test female die 102 is discharged through the air outlet pipe 204 by opening the control valve 205.
When the test fixture of the pressure sensor of the present embodiment is used, the booster 202 is used to boost the pressure of the test female die 102 through the air inlet pipe 201, the pressure controller 203 controls the booster 202 to boost the pressure of the test female die 102, and after the detection is completed, the control valve 205 is opened, so that the pressure in the test female die 102 is discharged through the air outlet pipe 204.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims of this utility model, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the utility model disclosed herein.
Claims (5)
1. The testing fixture for the pressure sensor comprises a base and an auxiliary component, and is characterized in that,
the device also comprises a mounting assembly;
the mounting assembly comprises a testing female die, a probe card, a placing template, a detecting machine and a sealing component, wherein the testing female die is fixedly connected with the base and is positioned on one side of the base, the probe card is fixedly connected with the testing female die and is positioned in the testing female die, the placing template is fixedly connected with the testing female die and is positioned in the testing female die, the detecting machine is fixedly connected with the base and is positioned on one side of the base, and the sealing component is connected with the base.
2. The test fixture for a pressure sensor according to claim 1, wherein,
the sealing component comprises a supporting frame, a pressing cylinder, a sealing template and a sealing ring, wherein the supporting frame is fixedly connected with the base and is positioned on a side disc of the base; the lower pressure cylinder is fixedly connected with the support frame and is positioned at one side of the support frame; the sealing template is connected with the output end of the lower pressure cylinder; the sealing ring is fixedly connected with the sealing template and is positioned on one side of the sealing template.
3. The test fixture for a pressure sensor according to claim 1, wherein,
the placement template is provided with detection holes, the probe board is provided with test probes, the number of the detection holes is multiple, and the detection holes penetrate through the placement template; the number of the test probes is multiple, and the test probes penetrate into the detection holes.
4. The test fixture for a pressure sensor according to claim 1, wherein,
the auxiliary assembly comprises an air inlet pipe, a supercharger, a pressure controller and a depressurization member, wherein the air inlet pipe is communicated with the test female die and is positioned at one side of the test female die; the supercharger is fixedly connected with the base, and the output end of the supercharger is communicated with the air inlet pipe; the pressure controller is fixedly connected with the supercharger and is positioned at one side of the supercharger; the depressurization component is connected with the test female die.
5. The test fixture for a pressure sensor of claim 4, wherein,
the pressure reducing component comprises an air outlet pipe and a control valve, and the air outlet pipe is communicated with the test female die and is positioned at one side of the test female die; the control valve is communicated with the air outlet pipe and is positioned at one end of the air outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322025442.9U CN220398792U (en) | 2023-07-31 | 2023-07-31 | Pressure sensor's test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322025442.9U CN220398792U (en) | 2023-07-31 | 2023-07-31 | Pressure sensor's test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220398792U true CN220398792U (en) | 2024-01-26 |
Family
ID=89601711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322025442.9U Active CN220398792U (en) | 2023-07-31 | 2023-07-31 | Pressure sensor's test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220398792U (en) |
-
2023
- 2023-07-31 CN CN202322025442.9U patent/CN220398792U/en active Active
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