CN223637025U - Sensor test fixture - Google Patents
Sensor test fixtureInfo
- Publication number
- CN223637025U CN223637025U CN202520098713.XU CN202520098713U CN223637025U CN 223637025 U CN223637025 U CN 223637025U CN 202520098713 U CN202520098713 U CN 202520098713U CN 223637025 U CN223637025 U CN 223637025U
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- CN
- China
- Prior art keywords
- testing
- sensor
- test
- housing
- machine shell
- Prior art date
- 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.)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a sensor testing tool which comprises a base and a sealing end cover, wherein a testing machine shell is arranged on the upper side of the base, a gas booster pump is connected to the inner top of the testing machine shell through a pipeline, a standard gas pressure sensor and a temperature sensor are arranged on the inner wall of the testing machine shell, an electric heating pipe is arranged in a first groove of the inner wall of the testing machine shell, a vertical frame is arranged on the upper side of the base, and the sealing end cover is arranged on the side of the testing machine shell through a first cylinder.
Description
Technical Field
The utility model relates to the technical field of sensor testing, in particular to a sensor testing tool.
Background
The air pressure sensor is an electronic device capable of detecting external air pressure change, after the external air pressure changes, the air pressure sensor can convert the detected air pressure change into an electric signal, but after production, the existing air pressure sensor is usually required to be subjected to corresponding test precision test for screening unqualified products, but the existing air pressure sensor detection equipment is usually provided with some defects when in use, the traditional air pressure sensor is complex in general structure, and the operation is complex when in test, so that the test efficiency is greatly influenced.
The utility model provides a pneumatic sensor test fixture among the prior art application number 202222678889.1, includes the base, the fixed fixing base that is provided with in upper end intermediate position of base, the fixed test cylinder that is provided with in upper end intermediate position of fixing base, the upper end of base is close to the fixed bracing piece that is provided with of fixing base, the fixed roof that is provided with in upper end of bracing piece, the fixed pneumatic cylinder that is provided with in upper end intermediate position of roof, the output of pneumatic cylinder link up roof and fixedly connected with connecting piece. According to the air pressure sensor testing tool, the testing efficiency of the device on the sensor is greatly improved through the arranged testing structure in actual use, the testing accuracy is maintained, meanwhile, the arranged adjustable testing structure enables the testing structure of the device to be capable of adjusting the testing structure of the corresponding size according to the size of the sensor, the applicability of the device is wider, popularization is worth, but the air pressure sensor testing under different temperature conditions is difficult to meet, and therefore the testing accuracy is affected.
Disclosure of utility model
The utility model aims to provide a sensor testing tool, which is used for solving the problem that the air pressure sensor test under different temperature conditions is difficult to meet in the prior art, so that the test accuracy is affected.
In order to achieve the purpose, the sensor testing tool comprises a base and a sealing end cover, wherein a testing machine shell is arranged on the upper side of the base, a gas booster pump is connected to the inner top of the testing machine shell through a pipeline, a standard gas pressure sensor and a temperature sensor are arranged on the inner wall of the testing machine shell, an electric heating tube is arranged in a first groove on the inner wall of the testing machine shell, a vertical frame is arranged on the upper side of the base, and the sealing end cover is arranged beside the testing machine shell through a first cylinder.
Further, the test machine shell is arranged in a hollow cylinder shape, and the test machine shell is transversely arranged on the upper side of the base.
Further, the sealing end cover and the test machine shell are coaxially arranged, and one end of the sealing end cover is provided with a sealing gasket.
Further, the gas booster pump is fixedly arranged on the outer wall of the test machine shell, and an electric control valve is arranged on the pipeline.
Further, the inside of the test machine shell is provided with a pushing plate through a second cylinder, and the pushing plate and the inner wall of the test machine shell are arranged in a sliding mode.
Furthermore, the electric heating tubes and the first grooves are arranged at equal included angles on the upper part of the test machine shell, and the electric heating tubes are embedded in the first grooves.
Further, the standard air pressure sensor and the temperature sensor are both arranged in the second groove in the test machine shell, and the standard air pressure sensor and the temperature sensor are both electrically connected with the controller in the PLC control cabinet on the base.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, the electric heating tubes are arranged in the first grooves on the inner wall of the test machine shell, a plurality of electric heating tubes are arranged on the upper part of the test machine shell at equal included angles with the first grooves, and the electric heating tubes are embedded in the first grooves, so that the test machine shell can be heated, and the temperature of the test machine shell can be precisely controlled by utilizing the temperature sensor and the temperature controller arranged on the inner wall of the test machine shell, so that the test treatment of the air pressure sensor under different temperature conditions is satisfied, the test precision is improved, and the test operation is convenient and quick.
2. According to the utility model, the pushing plate is arranged in the test machine shell through the second cylinder, and the pushing plate and the inner wall of the test machine shell are arranged in a sliding manner, so that the pushing plate is driven to transversely move and adjust through the second cylinder, a sensor placed in the test machine shell for completing the test can be pushed out of the detection chamber, and the unloading is convenient and quick.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of a first view structure according to the present utility model;
FIG. 2 is a schematic view of a second view angle structure according to the present utility model;
FIG. 3 is a cross-sectional view of a test housing of the present utility model.
In the figure, 1, a base; 2, a vertical frame, 3, a test machine shell, 4, a second cylinder, 5, a sealing end cover, 6, a first cylinder, 7, a sealing gasket, 8, a PLC control cabinet, 9, a gas booster pump, 10, a pipeline, 11, an electric control valve, 12, a pushing plate, 13, a standard gas pressure sensor, 14, a temperature sensor, 15, a first groove, 16, an electric heating tube, 17 and a second groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, 2 and 3, in an embodiment of the utility model, a sensor testing tool includes a base 1 and a sealing end cap 5, a testing machine shell 3 is disposed on an upper side of the base 1, a gas booster pump 9 is connected to an inner top of the testing machine shell 3 through a pipeline 10, the gas booster pump 9 is fixedly disposed on an outer wall of the testing machine shell 3, an electric control valve 11 is disposed on the pipeline 10, so that gas is conveniently injected into the testing machine shell 3 for boosting, a stand 2 is disposed on an upper side of the base 1, the sealing end cap 5 is disposed beside the testing machine shell 3 through a first cylinder 6, the testing machine shell 3 is disposed in a hollow cylindrical shape, the testing machine shell 3 is transversely disposed on an upper side of the base 1, the sealing end cap 5 is disposed coaxially with the testing machine shell 3, a sealing gasket 7 is disposed at one end of the sealing end cap 5, a standard gas pressure sensor 13 is disposed on an inner wall of the testing machine shell 3, a controller in a PLC control cabinet 8 on the base 1 of the standard gas pressure sensor 13 is electrically connected, a certain amount of gas pressure is conveniently injected into a detecting chamber in the testing machine shell 3 through the gas booster pump 9 and the pipeline 10, values of the standard gas pressure sensor 13 and the testing gas pressure sensor are conveniently observed, when values of the tested gas pressure sensor and the standard gas pressure sensor are reasonably changed within a standard gas pressure sensor range, and a standard gas pressure sensor is not convenient to test.
As shown in fig. 1 and 3, in order to meet the air pressure sensor test under different temperature conditions, the inner wall of the test case 3 is further provided with a temperature sensor 14, a first groove 15 in the inner wall of the test case 3 is provided with an electric heating tube 16, one end of the electric heating tube 16 is provided with a temperature controller, the standard air pressure sensor 13 and the temperature sensor 14 are both arranged in a second groove 17 in the test case 3, the temperature sensor 14 and the temperature controller are both electrically connected with a controller in the PLC control cabinet 8, the electric heating tube 16 is utilized to heat the test case 3, and the temperature of the temperature sensor 14 and the temperature controller arranged on the inner wall of the test case 3 is utilized to accurately control the temperature, so that the air pressure sensor test under different temperature conditions is met, and the test precision of the test is improved.
As shown in fig. 2 and 3, in order to be convenient for unload the sensor that the test was accomplished, the inside of test casing 3 is equipped with the flitch 12 through second cylinder 4, and the flitch 12 slides with the test casing 3 inner wall and set up for through the sideslip of second cylinder 4 drive flitch 12 regulation, can push out the detection room to the sensor that the test was accomplished of placing in test casing 3, make convenient and fast that unloads.
As shown in fig. 2 and fig. 3, in order to facilitate uniform heating in the test case 3, a plurality of electric heating tubes 16 and first grooves 15 are arranged at the upper part of the test case 3 at equal angles, and the electric heating tubes 16 are embedded in the first grooves 15, so that uniform heating treatment is conveniently performed in the test case 3, and the accuracy of the test is conveniently improved.
When the air pressure sensor to be detected is placed in the test machine shell 3, the first air cylinder 6 drives the sealing end cover 5 to transversely move and press the air pressure sensor to be arranged outside the test machine shell 3, sealing treatment is carried out on the detection chamber, then a certain amount of air pressure is injected into the detection chamber in the test machine shell 3 through the air booster pump 9 and the pipeline 10, the values of the standard air pressure sensor 13 and the test air pressure sensor are observed, and when the values of the test air pressure sensor and the standard air pressure sensor 13 are changed within a reasonable range, the test air pressure sensor is proved to be qualified, otherwise, the test air pressure sensor is not qualified, and the test operation is convenient and quick.
It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited thereto, but may be modified or substituted for some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520098713.XU CN223637025U (en) | 2025-01-16 | 2025-01-16 | Sensor test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520098713.XU CN223637025U (en) | 2025-01-16 | 2025-01-16 | Sensor test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223637025U true CN223637025U (en) | 2025-12-05 |
Family
ID=97857301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520098713.XU Active CN223637025U (en) | 2025-01-16 | 2025-01-16 | Sensor test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223637025U (en) |
-
2025
- 2025-01-16 CN CN202520098713.XU patent/CN223637025U/en active Active
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