CN219265588U - Automatic calibration device - Google Patents
Automatic calibration device Download PDFInfo
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- CN219265588U CN219265588U CN202320731313.9U CN202320731313U CN219265588U CN 219265588 U CN219265588 U CN 219265588U CN 202320731313 U CN202320731313 U CN 202320731313U CN 219265588 U CN219265588 U CN 219265588U
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- fixing seat
- circuit board
- supporting block
- clamping
- valve
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Abstract
The utility model relates to the technical field of sensor testing, in particular to an automatic calibration device; the test device comprises a transfer circuit board, a calibration module and a plurality of groups of clamping modules, wherein the transfer circuit board is connected with the calibration module; the clamping module comprises a fixing seat, a rotating shaft, a supporting spring and a supporting block, wherein the fixing seat is fixedly connected with the switching circuit board, the rotating shaft is rotationally connected with the fixing seat and is positioned in the fixing seat, the supporting block is fixedly connected with the rotating shaft, the supporting spring is arranged in the fixing seat, two ends of the supporting spring are respectively connected with the fixing seat and the supporting block, and through the structure, the effect of preventing the looseness between the sensor and the switching circuit board and facilitating the pressure test of the sensor is obtained.
Description
Technical Field
The utility model relates to the technical field of sensor testing, in particular to an automatic calibration device.
Background
At present, in the process of testing the pressure of the sensor, a switching circuit board is adopted for calibration; in the prior art, a circuit adapter board device and a gas sensor testing system are disclosed in the patent application with the application number of 202020388597.2, a plurality of sensors are connected with an adapter circuit board, and pressure test is performed on the plurality of sensors.
In the testing process, a plurality of sensors are placed on the switching circuit board for connection treatment, and connection between the sensors and the switching circuit board is easy to loosen, so that the pressure testing is not facilitated.
Disclosure of Invention
The utility model aims to provide an automatic calibration device, which solves the problems that the connection between a sensor and a switching circuit board is easy to loosen and is unfavorable for pressure test.
In order to achieve the above purpose, the automatic test calibrating device comprises a switching circuit board, test calibrating modules and a plurality of groups of clamping modules, wherein the switching circuit board is connected with the test calibrating modules, each group of clamping modules is respectively connected with the switching circuit board, and every two groups of clamping modules are symmetrically arranged;
the clamping module comprises a fixing seat, a rotating shaft, a supporting spring and a supporting block, wherein the fixing seat is fixedly connected with the switching circuit board, the rotating shaft is rotationally connected with the fixing seat and is positioned in the fixing seat, the supporting block is fixedly connected with the rotating shaft, the supporting spring is arranged in the fixing seat, and two ends of the supporting spring are respectively connected with the fixing seat and the supporting block.
The clamping module further comprises a guide arc block which is fixedly connected with the supporting block and is located above the supporting block.
The clamping module further comprises an outer cylinder and an inner rod, the outer cylinder is fixedly connected with the fixing seat and located in the fixing seat, one end of the inner rod is slidably connected with the outer cylinder, the other end of the inner rod is fixedly connected with the supporting block, and the supporting springs respectively surround the outer cylinder and the outer side wall of the inner rod.
The clamping module further comprises a buffer pad, and the buffer pad is connected with the switching circuit board.
The calibration module comprises a high-low temperature box, a plurality of air distribution bags, air control valves, a pressure controller, a vacuum pump, a first manual valve, a second manual valve, a safety valve, an electromagnetic valve group, a pressure reducing valve and an air source, wherein each air distribution bag is connected with the switching circuit board, each air distribution bag is provided with the air control valve, the electromagnetic valve group is connected with each air distribution bag, the electromagnetic valve group and the pressure controller are connected with the air source, the air source is provided with the pressure reducing valve, the pressure controller is connected with each air distribution bag, the safety valve, the first manual valve and the second manual valve are arranged between the pressure controller and the air distribution bags, and the vacuum pump is connected with the pressure controller.
According to the automatic calibration device, two groups of clamping modules are used for clamping and fixing the sensor, the sensor is aligned between the two groups of clamping modules in the process of connecting the sensor and the switching circuit board, the supporting block is pushed to the inside of the fixing seat and rotates around the rotating shaft, at the moment, the supporting spring is compressed and has resilience force, the sensor moves between the supporting blocks in the two groups of clamping modules, the sensor is connected to an interface of the switching circuit board for connection, and the supporting block clamps and fixes the sensor under the action of the supporting spring, so that the effect of preventing looseness between the sensor and the switching circuit board and facilitating pressure test of the sensor is achieved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an automatic calibration device according to the present utility model.
Fig. 2 is an enlarged view of the partial structure at a of fig. 1 according to the present utility model.
Fig. 3 is a structural cross-sectional view of the clamping module of the present utility model.
FIG. 4 is a schematic diagram of a calibration module according to the present utility model.
The device comprises a 10-switching circuit board, a 20-calibration module, a 30-clamping module, a 31-fixing seat, a 32-rotating shaft, a 33-supporting spring, a 34-supporting block, a 35-guiding arc block, a 36-outer cylinder, a 37-inner rod, a 38-buffer pad, a 201-high-low temperature box, a 202-gas distribution bag, a 203-gas control valve, a 204-pressure controller, a 205-vacuum pump, a 206-first manual valve, a 207-second manual valve, a 208-safety valve, a 209-electromagnetic valve group, a 210-pressure reducing valve and a 211-gas source.
Detailed Description
Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of an automatic calibration device, fig. 2 is a partial enlarged structural diagram of a portion a of fig. 1, fig. 3 is a structural sectional view of a clamping module, and fig. 4 is a schematic structural diagram of a calibration module.
The utility model provides an automatic calibration device, which comprises: the test fixture comprises a transfer circuit board 10, a calibration module 20 and a plurality of groups of clamping modules 30, wherein the transfer circuit board 10 is connected with the calibration module 20, each group of clamping modules 30 is respectively connected with the transfer circuit board 10, and every two groups of clamping modules 30 are symmetrically arranged;
the clamping module 30 comprises a fixing seat 31, a rotating shaft 32, a supporting spring 33 and a supporting block 34, the fixing seat 31 is fixedly connected with the switching circuit board 10, the rotating shaft 32 is rotationally connected with the fixing seat 31 and is positioned in the fixing seat 31, the supporting block 34 is fixedly connected with the rotating shaft 32, the supporting spring 33 is arranged in the fixing seat 31, and two ends of the supporting spring 33 are respectively connected with the fixing seat 31 and the supporting block 34.
In this embodiment, two sets of clamping modules 30 are used to clamp and fix the sensor, in the process of connecting the sensor and the adapting circuit board 10, the sensor is aligned between the two sets of clamping modules 30, the supporting block 34 is pushed to the inside of the fixing seat 31, the supporting block 34 rotates around the rotating shaft 32 as a center, at this time, the supporting spring 33 is compressed and has a rebound force, the sensor moves between the supporting blocks 34 in the two sets of clamping modules 30, the sensor is connected to an interface of the adapting circuit board 10, connection processing is performed, and under the action of the supporting spring 33, the supporting block 34 clamps and fixes the sensor, so that the effect of preventing looseness between the sensor and the adapting circuit board 10 and facilitating pressure test of the sensor is obtained.
Further, the clamping module 30 further includes a guiding arc block 35, where the guiding arc block 35 is fixedly connected to the supporting block 34 and located above the supporting block 34.
In this embodiment, in the process of connecting the sensor and the adapting circuit board 10, the sensor is aligned between the two groups of clamping modules 30, a force is applied, the cambered surface of the guiding arc block 35 contacts the sensor, the guiding arc block 35 is pressed, the guiding arc block 35 pushes the supporting block 34 toward the inside of the fixing seat 31, the supporting block 34 rotates around the rotating shaft 32 as a center, and at this time, the supporting spring 33 is compressed and has a resilience force.
Further, the clamping module 30 further includes an outer cylinder 36 and an inner rod 37, the outer cylinder 36 is fixedly connected with the fixing seat 31 and is located inside the fixing seat 31, one end of the inner rod 37 is slidably connected with the outer cylinder 36, the other end of the inner rod 37 is fixedly connected with the supporting block 34, and the supporting spring 33 surrounds the outer side walls of the outer cylinder 36 and the inner rod 37 respectively.
In this embodiment, the holding spring 33 surrounds the outer cylinder 36 and the outer side wall of the inner rod 37, the inner rod 37 slides in the outer cylinder 36, and the inner rod 37 cooperates with the outer cylinder 36 to improve the stability of the holding spring 33.
Further, the clamping module 30 further includes a cushion pad 38, and the cushion pad 38 is connected to the transit circuit board 10.
In this embodiment, the buffer pad 38 is used to buffer the sensor to prevent the sensor from being damaged during the connection process.
Further, the calibration module 20 includes a high-low temperature box 201, a plurality of air distribution bags 202, an air control valve 203, a pressure controller 204, a vacuum pump 205, a first manual valve 206, a second manual valve 207, a safety valve 208, an electromagnetic valve group 209, a pressure reducing valve 210 and an air source 211, each air distribution bag 202 is respectively connected with the switching circuit board 10, each air distribution bag 202 is provided with the air control valve 203, each electromagnetic valve group 209 is connected with each air distribution bag 202, each electromagnetic valve group 209 and the pressure controller 204 are respectively connected with the air source 211, the air source 211 is provided with the pressure reducing valve 210, the pressure controller 204 is connected with each air distribution bag 202, the safety valve 208, the first manual valve 206 and the second manual valve 207 are arranged between the pressure controller 204 and the air distribution bags 202, and the vacuum pump 205 is connected with the pressure controller 204.
In this embodiment, the air source 211 is depressurized by the depressurization valve 210 and supplies air to the pressure controller 204, and is regulated by the pressure controller 204 and then sent to the four air distribution bags 202, and then sent to the sensor of the tested pressure by each air distribution bag 202 through the air control valve 203 and the switching circuit board 10; the electromagnetic valve group 209 supplies air from a factory building compressed air system, compressed air is subjected to depressurization and filtration by the pressure reducing valve 210 to control the opening and closing of the pneumatic control valve 203, the vacuum pump 205 is used for exhausting and vacuumizing in the test process, and the high-low temperature box 201 is configured for simulating the working temperature of a tested pressure sensor; the relief valve 210 is configured to safely relieve pressure should the pressure controller 204 fail unexpectedly.
The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.
Claims (5)
1. An automatic calibration device comprises a switching circuit board, and is characterized in that,
the test device comprises a test module, a plurality of groups of clamping modules, a test module and a test module, wherein the test module is connected with the test module, each group of clamping modules is connected with the test module, and every two groups of clamping modules are symmetrically arranged;
the clamping module comprises a fixing seat, a rotating shaft, a supporting spring and a supporting block, wherein the fixing seat is fixedly connected with the switching circuit board, the rotating shaft is rotationally connected with the fixing seat and is positioned in the fixing seat, the supporting block is fixedly connected with the rotating shaft, the supporting spring is arranged in the fixing seat, and two ends of the supporting spring are respectively connected with the fixing seat and the supporting block.
2. The automated test equipment of claim 1, wherein,
the clamping module further comprises a guide arc block which is fixedly connected with the supporting block and is positioned above the supporting block.
3. The automated test equipment of claim 1, wherein,
the clamping module further comprises an outer cylinder and an inner rod, the outer cylinder is fixedly connected with the fixing seat and is located in the fixing seat, one end of the inner rod is slidably connected with the outer cylinder, the other end of the inner rod is fixedly connected with the supporting block, and the supporting springs respectively surround the outer cylinder and the outer side wall of the inner rod.
4. The automated test equipment of claim 1, wherein,
the clamping module further comprises a buffer pad, and the buffer pad is connected with the switching circuit board.
5. The automated test equipment of claim 1, wherein,
the calibration module comprises a high-low temperature box, a plurality of gas distribution bags, gas control valves, a pressure controller, a vacuum pump, a first manual valve, a second manual valve, a safety valve, an electromagnetic valve group, a pressure reducing valve and a gas source, wherein each gas distribution bag is connected with the switching circuit board, each gas distribution bag is provided with the gas control valve, the electromagnetic valve group is connected with each gas distribution bag, the electromagnetic valve group and the pressure controller are connected with the gas source, the gas source is provided with the pressure reducing valve, the pressure controller is connected with each gas distribution bag, the safety valve, the first manual valve and the second manual valve are arranged between the pressure controller and the gas distribution bags, and the vacuum pump is connected with the pressure controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320731313.9U CN219265588U (en) | 2023-04-06 | 2023-04-06 | Automatic calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320731313.9U CN219265588U (en) | 2023-04-06 | 2023-04-06 | Automatic calibration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219265588U true CN219265588U (en) | 2023-06-27 |
Family
ID=86857668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320731313.9U Active CN219265588U (en) | 2023-04-06 | 2023-04-06 | Automatic calibration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219265588U (en) |
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2023
- 2023-04-06 CN CN202320731313.9U patent/CN219265588U/en active Active
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