Medium-pressure calibration detector for pressure sensor finished product

Abstract

The utility model provides a medium-pressure calibration detector for a pressure sensor finished product, and belongs to the technical field of pressure sensor detection. The medium-pressure calibration detector for the pressure sensor finished product comprises a detection table. During use, a pressure sensor can be placed in a loading hole, a PI N needle of the pressure sensor penetrates through the loading hole, then a force multiplying cylinder drives a probe to move upwards, the top end of the probe is in contact with and abuts against the PI N needle of the pressure sensor, and the pressure sensor is placed in the loading hole. Then external equipment for providing air pressure conveys air pressure to the top end of the pressure sensor through the medium-voltage one-way valve and the air pipe, the voltage detector detects the voltage of the pressure sensor and the change of the voltage through the probe, the voltage detector displays the detected voltage through the computer and the display, and in the detection process, manual work is in an auxiliary position; the manual influence on the detection is small, so that the detection efficiency can be improved, and the detection accuracy can be improved.

Description

Technical Field

[0001] The present application relates to the field of pressure sensor detection, and in particular, to a pressure sensor finished product mid-pressure calibration detector. Background Art

[0002] A pressure sensor is a device or apparatus that can sense pressure signals and convert them into usable output electrical signals according to certain rules. Under normal pressure and medium pressure, the voltage of the pressure sensor will vary with the pressure. To ensure the accuracy of the pressure sensor and determine whether the pressure sensor is qualified, it is necessary to test the voltage of the pressure sensor under normal pressure and medium pressure. Traditional testing is mainly done manually by switching between normal pressure and medium pressure. However, manual testing is easily affected by workers, which can lead to limited detection efficiency and large detection errors. Utility Model Content

[0003] In order to remedy the above deficiencies, the present application provides a pressure sensor finished product medium-pressure calibration tester, which aims to improve the problem that manual detection has limited efficiency and is prone to large detection errors.

[0004] An embodiment of the present application provides a pressure sensor finished product medium-pressure calibration tester, including a test bench.

[0005] An electric slide is provided on the upper surface of the testing platform, a carrier plate is provided on the movable end of the electric slide, a carrier plate body is provided with a carrier hole, an air cylinder is provided on the upper surface of the testing platform, an air pipe is provided on the telescopic end of the air cylinder, the air pipe is provided corresponding to the carrier hole, a medium-pressure one-way valve is connected to the pipe body of the air pipe, a double-force cylinder is provided inside the testing platform, a probe is provided on the telescopic end of the double-force cylinder, the probe is provided corresponding to the carrier hole, a voltage detector is provided inside the testing platform, the voltage detector is electrically connected to the probe, a computer is provided inside the testing platform, the computer is electrically connected to the voltage detector, and a display of the computer is connected to the upper surface of the testing platform.

[0006] In a specific embodiment, a linear guide rail is disposed on the upper surface of the detection platform, and the carrier plate is connected to the moving end of the linear guide rail.

[0007] In a specific embodiment, a plurality of the loading holes are provided, and the plurality of the loading holes are evenly distributed.

[0008] In a specific implementation manner, a support platform is disposed on the upper surface of the detection platform, the cylinder is connected to the upper surface of the support platform, and the telescopic end of the cylinder slides through the body of the support platform.

[0009] In a specific implementation, a connecting block is provided at the telescopic end of the cylinder, a cavity is provided inside the connecting block, and the cavity is communicated with the medium-pressure one-way valve.

[0010] In a specific embodiment, the top end of the trachea is connected to the connecting block, and the top end of the trachea is communicated with the cavity.

[0011] In a specific implementation scheme, several air tubes are provided, the top ends of several air tubes are connected to the lower surface of the connecting block, the top ends of several air tubes are connected to the cavity, several air tubes are respectively provided in one-to-one correspondence with several loading holes, and several air tubes are located above the loading holes.

[0012] In a specific implementation, the block body of the connecting block is connected to a connecting frame, the pressure outlet hole of the medium-pressure one-way valve is connected to a pressure gauge, and the pressure gauge and the medium-pressure one-way valve are both connected to the connecting frame.

[0013] In a specific implementation scheme, a connecting plate is provided at the telescopic end of the double-force cylinder, and a plurality of probes are provided, and the plurality of probes are fixedly connected to the connecting plate, and the plurality of probes are respectively provided in one-to-one correspondence with the plurality of loading holes, and the plurality of probes are located below the loading holes, and the plurality of probes are electrically connected to the voltage detector.

[0014] In a specific implementation manner, a support frame is provided on the back of the display, and the bottom end of the support frame is fixedly connected to the upper surface of the detection platform.

[0015] The beneficial effect of the utility model is as follows: the utility model obtains a finished medium-pressure calibration tester for a pressure sensor through the above-mentioned design. When in use, the electric slide drives the carrier plate to withdraw from the bottom of the air pipe, and then the pressure sensor can be placed inside the carrier hole, and the PIN pin of the pressure sensor passes through the carrier hole, and then the electric slide drives the carrier plate to enter the bottom of the air pipe, and then the cylinder drives the air pipe to move downward, and the bottom end of the air pipe is tightly pressed against the top of the pressure sensor, and then the double-force cylinder drives the probe to move upward, and the top end of the probe is tightly pressed against the PIN pin of the pressure sensor, and then the equipment providing air pressure from the outside transmits air pressure to the top of the pressure sensor through the medium-pressure one-way valve and the air pipe, and the voltage detector detects the voltage of the pressure sensor and the voltage change through the probe, and the voltage detector displays the detected voltage through the computer and the display, and in the detection process, manual labor is in an auxiliary position, and manual labor has little influence on the detection, thereby improving the detection efficiency and the detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic structural diagram of a pressure sensor finished product medium-pressure calibration detector from a first perspective provided in an embodiment of the present application;

[0018] Figure 2 A schematic diagram of the structure of a finished medium-pressure calibration tester for a pressure sensor provided in an embodiment of the present application from a second viewing angle;

[0019] Figure 3 A schematic diagram of the structure of a medium-pressure one-way valve provided in an embodiment of the present application;

[0020] Figure 4 A schematic diagram of the connection block structure provided for an implementation method of the present application;

[0021] Figure 5 This is a schematic diagram of the structure of the double-force cylinder provided in the implementation mode of the present application.

[0022] In the figure: 100-testing table; 101-supporting table; 110-electric slide; 120-carrying plate; 121-carrying hole; 130-cylinder; 131-connecting block; 133-connecting frame; 140-air pipe; 150-medium pressure one-way valve; 151-pressure gauge; 160-double force cylinder; 161-connecting plate; 170-probe; 180-voltage detector; 190-computer; 191-display; 1911-supporting frame; 200-linear guide. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0024] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0025] See also Figure 1 The present application provides a pressure sensor finished product mid-pressure calibration tester, including a test bench 100.

[0026] See also Figure 1-5 An electric slide 110 is arranged on the upper surface of the detection platform 100, and a carrier plate 120 is arranged on the movable end of the electric slide 110. A linear guide rail 200 is arranged on the upper surface of the detection platform 100, and the carrier plate 120 is connected to the movable end of the linear guide rail 200. A carrier hole 121 is opened on the plate body of the carrier plate 120, and a plurality of carrier holes 121 are opened, and the plurality of carrier holes 121 are evenly distributed. The pressure sensor can be placed inside the carrier hole 121, and the carrier hole 121 is a through hole, and the carrier hole 121 runs through the carrier plate 120.

[0027] In the present application, a cylinder 130 is provided on the upper surface of the testing platform 100, and a support platform 101 is provided on the upper surface of the testing platform 100. The cylinder 130 is connected to the upper surface of the support platform 101, and the telescopic end of the cylinder 130 slides through the body of the support platform 101. The telescopic end of the cylinder 130 is provided with a connecting block 131, and a cavity is provided inside the connecting block 131.

[0028] In this embodiment, an air pipe 140 is provided at the telescopic end of the cylinder 130, the top end of the air pipe 140 is connected to the connecting block 131, the top end of the air pipe 140 is connected to the cavity, the air pipe 140 is arranged corresponding to the loading hole 121, and a plurality of air pipes 140 are arranged, the top ends of the plurality of air pipes 140 are connected to the lower surface of the connecting block 131, the top ends of the plurality of air pipes 140 are connected to the cavity, the plurality of air pipes 140 are respectively arranged corresponding to the plurality of loading holes 121, and the plurality of air pipes 140 are located above the loading holes 121.

[0029] In the specific setting, the tube body of the air pipe 140 is connected to the medium-pressure one-way valve 150, the pressure inlet hole of the medium-pressure one-way valve 150 is connected to the equipment for transmitting air pressure from the outside, the cavity is connected to the medium-pressure one-way valve 150, the block body of the connecting block 131 is connected to the connecting frame 133, the pressure outlet hole of the medium-pressure one-way valve 150 is connected to the pressure gauge 151, the pressure outlet hole of the medium-pressure one-way valve 150 and the cavity are connected to the pressure transmission pipeline, the pressure gauge 151 is connected to the pressure transmission pipeline, and the pressure gauge 151 and the medium-pressure one-way valve 150 are both connected to the connecting frame 133.

[0030] In the present application, a double-force cylinder 160 is provided inside the detection table 100, and a probe 170 is provided at the telescopic end of the double-force cylinder 160. The probe 170 is arranged corresponding to the loading hole 121. A connecting plate 161 is provided at the telescopic end of the double-force cylinder 160. A plurality of probes 170 are provided, and the plurality of probes 170 are fixedly connected to the connecting plate 161. The plurality of probes 170 are respectively arranged corresponding to the plurality of loading holes 121, and the plurality of probes 170 are located below the loading holes 121.

[0031] In this embodiment, a voltage detector 180 is disposed inside the testing platform 100, and the voltage detector 180 is electrically connected to the probe 170, and several probes 170 are electrically connected to the voltage detector 180. A computer 190 is disposed inside the testing platform 100, and the computer 190 is electrically connected to the voltage detector 180. The display 191 of the computer 190 is connected to the upper surface of the testing platform 100, and a support frame 1911 is disposed on the back of the display 191, and the bottom end of the support frame 1911 is fixedly connected to the upper surface of the testing platform 100.

[0032] Specifically, the working principle of the pressure sensor finished medium pressure calibration tester is as follows: when in use, the electric slide 110 is opened, and the electric slide 110 drives the carrier plate 120 to withdraw from the bottom of the air pipe 140, and then the pressure sensor can be placed inside the carrier hole 121, and the PI of the pressure sensor The N needle passes through the carrier hole 121, and then the electric slide 110 drives the carrier plate 120 to enter under the air pipe 140, and then the cylinder 130 drives the air pipe 140 to move downward, and the bottom end of the air pipe 140 is tightly pressed against the top of the pressure sensor, and then the double force cylinder 160 drives the probe 170 to move upward, and the top of the probe 170 is tightly pressed against the PIN needle of the pressure sensor, and then the equipment providing air pressure from the outside transmits air pressure to the top of the pressure sensor through the medium-pressure one-way valve 150, the cavity and the air pipe 140, and the voltage detector 180 detects the voltage of the pressure sensor and the change of the voltage through the probe 170, and the voltage detector 180 displays the detected voltage through the computer 190 and the display 191. During the detection process, manual labor is in an auxiliary position, and the influence of manual labor on the detection is small, thereby improving the efficiency of the detection and improving the accuracy of the detection.

[0033] The above description is only an embodiment of the present application and is not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0034] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A pressure sensor finished product medium pressure calibration tester, characterized in that: include A testing platform (100), wherein an electric slide (110) is arranged on the upper surface of the testing platform (100), a carrier plate (120) is arranged at the movable end of the electric slide (110), a carrier hole (121) is opened on the plate body of the carrier plate (120), a cylinder (130) is arranged on the upper surface of the testing platform (100), an air pipe (140) is arranged at the telescopic end of the air cylinder (130), the air pipe (140) is arranged corresponding to the carrier hole (121), the pipe body of the air pipe (140) is connected to a medium-pressure one-way valve (150), and the interior of the testing platform (100) is arranged A double-force cylinder (160) is provided, and a probe (170) is arranged at the telescopic end of the double-force cylinder (160), and the probe (170) is arranged corresponding to the loading hole (121). A voltage detector (180) is arranged inside the detection platform (100), and the voltage detector (180) is electrically connected to the probe (170). A computer (190) is arranged inside the detection platform (100), and the computer (190) is electrically connected to the voltage detector (180), and a display (191) of the computer (190) is connected to the upper surface of the detection platform (100).

2. A pressure sensor finished product medium pressure calibration tester according to claim 1, characterized in that: A linear guide rail (200) is provided on the upper surface of the detection platform (100), and the carrier plate (120) is connected to the movable end of the linear guide rail (200).

3. A pressure sensor finished product medium pressure calibration tester according to claim 1, characterized in that: A plurality of the carrying holes (121) are provided, and the plurality of the carrying holes (121) are evenly distributed.

4. The pressure sensor finished product medium pressure calibration tester according to claim 1, characterized in that: A support platform (101) is provided on the upper surface of the detection platform (100), the cylinder (130) is connected to the upper surface of the support platform (101), and the telescopic end of the cylinder (130) slides through the body of the support platform (101).

5. The pressure sensor finished product medium pressure calibration tester according to claim 1, characterized in that: A connecting block (131) is provided at the telescopic end of the cylinder (130), and a cavity is provided inside the connecting block (131), and the cavity is connected to the medium-pressure one-way valve (150).

6. A pressure sensor finished product medium pressure calibration tester according to claim 5, characterized in that: The top end of the air pipe (140) is connected to the connection block (131), and the top end of the air pipe (140) is in communication with the cavity.

7. A pressure sensor finished product mid-pressure calibration tester according to claim 6, characterized in that: A plurality of the air pipes (140) are provided, the top ends of the plurality of the air pipes (140) are connected to the lower surface of the connecting block (131), the top ends of the plurality of the air pipes (140) are connected to the cavity, the plurality of the air pipes (140) are respectively provided in one-to-one correspondence with the plurality of the carrying holes (121), and the plurality of the air pipes (140) are located above the carrying holes (121).

8. The pressure sensor finished product mid-pressure calibration tester according to claim 5, characterized in that: The block body of the connection block (131) is connected to a connection frame (133), the pressure outlet hole of the medium-pressure one-way valve (150) is connected to a pressure gauge (151), and the pressure gauge (151) and the medium-pressure one-way valve (150) are both connected to the connection frame (133).

9. The pressure sensor finished product mid-pressure calibration tester according to claim 3, characterized in that: A connecting plate (161) is provided at the telescopic end of the multiplier cylinder (160), a plurality of probes (170) are provided, the plurality of probes (170) are fixedly connected to the connecting plate (161), the plurality of probes (170) are respectively provided in one-to-one correspondence with the plurality of loading holes (121), the plurality of probes (170) are located below the loading holes (121), and the plurality of probes (170) are electrically connected to the voltage detector (180).

10. The pressure sensor finished product medium pressure calibration tester according to claim 1, characterized in that: A support frame (1911) is provided on the back of the display (191), and the bottom end of the support frame (1911) is fixedly connected to the upper surface of the detection platform (100).

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