Position sensor performance detection device

Abstract

The utility model discloses a position sensor performance detection device, and belongs to the technical field of detection. The device is characterized in that a fixed seat, a position sensor, a single-shaft driver and a driving motor are arranged on the mounting bottom plate; a grating ruler displacement sensor is arranged on the single-shaft driver; a grating reading head is arranged on the grating ruler displacement sensor; and the grating reading head is connected with the sliding connection block. The detection device can perform automatic loading on the position sensor, the grating ruler displacement sensor performs real-time monitoring to perform data acquisition, the driving motor can act on the single-shaft driver to drive the moving end of the position sensor to generate displacement, and the grating ruler displacement sensor detects and acquires the displacement amount in real time. And the acquired data is sent to the upper computer to analyze the measured data in real time. The position sensor performance detection device of the utility model has the characteristic of high degree of automation, and the design structure and the optimization of the driving device have high measurement precision during detection, thereby solving the problem of errors caused by low degree of automation.

Description

Technical Field

[0001] The utility model belongs to the field of detection technology, and in particular relates to a position sensor performance detection device. Background Art

[0002] At present, common position sensor detection equipment includes: "Fault Detection Method of Crankshaft and Camshaft Position Sensors of 2019 Magotan B8L Car" (Automobile Practical Technology [J], 2024, 49 (14)); "Fault Diagnosis and Fault-Tolerant Control of Position Sensors Based on DFPMM" (Acta Aeronautica Sinica, 2024, 45 (10)); "Research on Fault Diagnosis of Throttle Position Sensors Based on Magnetoresistive Principle" (Automobile Practical Technology [J], 2024, 49 (14)); "Integrated Teaching Design of "Theory and Reality" for Crankshaft Position Sensor Detection" (Automobile Maintenance and Repair [J]). ], 2024 (12); "Research on Fault Diagnosis Method of Switched Reluctance Motor Position Sensor" (Qufu Normal University [D], 2024); "Research on Detection and Fault Diagnosis Teaching Mode of 2013 Volkswagen Magotan 1.8T Engine Speed ​​Sensor and Camshaft Position Sensor" (Auto Maintenance [J], 2023, (03)) and other documents record that in the detection process, there is a lot of human participation, resulting in a relatively low degree of detection automation. There is no device with higher automation requirements specifically for position sensors, which also affects the test accuracy and efficiency of the angle sensor to a certain extent. Summary of the Invention

[0003] The utility model aims to solve the above problems and provides a position sensor performance detection device which can automatically load the position sensor, has adjustable moving speed and collects real-time data.

[0004] The position sensor performance detection device of the utility model comprises a mounting base; a fixing seat, a position sensor, a single-axis driver and a driving motor are sequentially arranged on the mounting base;

[0005] A grating scale displacement sensor is provided on one side of the single-axis drive; the single-axis drive and the grating scale displacement sensor are arranged in parallel; a grating reading head is provided on the grating scale displacement sensor;

[0006] The uniaxial driver is provided with a driver slider;

[0007] The driver slider is provided with a sliding connection block;

[0008] The movable end of the position sensor is connected to the aforementioned sliding connection block, and the other end is connected to the aforementioned fixed seat;

[0009] The grating reading head is connected to the sliding connection block via a grating head connecting piece;

[0010] The driving motor is connected with the single-shaft driver.

[0011] The single-shaft driver drives the driver slider to displace under the action of the driving motor, and then drives the position sensor moving end to make translational reciprocating motion through the sliding connection block, and the grating reading head is driven to slide relative to the grating ruler displacement sensor under the action of the grating head connector and the driver slider; while the grating reading head slides, the displacement of the position sensor moving end is collected in real time.

[0012] Further, the utility model discloses a position sensor performance detection device, be provided with the guide support seat between the fixed seat and single -shaft driver, be provided with the guide groove on the guide support seat, the guide support seat is located the below of position sensor, the guide support seat passes through the guide groove and guarantees the axial height and the guide direction of position sensor.

[0013] Further, the utility model discloses a position sensor performance detection device, both ends of the installation bottom plate are provided with the handle, and the handle is convenient for moving the test device and improves use efficiency.

[0014] Further, the utility model discloses a position sensor performance detection device, a plurality of shockproof base feet are arranged at the lower corner of the installation bottom plate, the shockproof base foot has the support and the damping effect, avoids the damage to the instrument inside the device in the vibration process.

[0015] Further, the utility model discloses a position sensor performance detection device, the moving end of position sensor is connected with the sliding connection block through the internal thread and the installation hole of sliding connection block, and the other end is connected with the fixed seat through the pin shaft and simultaneously penetrates the installation hole of position sensor and the fixed seat. The pin shaft simultaneously penetrates the displacement sensor installation hole and product fixed seat installation hole and is connected with two installation holes through the tolerance tight fit, eliminates the clearance of installation part in the test process.

[0016] The position sensor performance detection device also includes a host computer, which is connected with the position sensor, the grating ruler displacement sensor and the driving motor. The host computer can control the direction and speed of the driving motor, thereby controlling the translation direction and speed of the single-shaft driver slider. The single-shaft driver slider controls the movement of the grating reading head, and the position sensor is powered. The data collected by the grating ruler displacement sensor is input into the host computer for storage and analysis.

[0017] The position sensor performance testing device described in this utility model can automatically load the position sensor and monitor the grating scale displacement sensor in real time for data collection. It can drive the position sensor's mobile end to generate displacement by acting on a single-axis driver through a drive motor. The grating scale displacement sensor detects and collects the displacement in real time, analyzes the test results in real time, and transmits the collected data to a host computer for real-time analysis. The position sensor performance testing device described in this utility model is characterized by a high degree of automation. The designed structure and optimized drive mechanism provide high measurement accuracy during testing, eliminating the error problem caused by a low degree of automation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of a position sensor performance detection device according to an embodiment of the present utility model;

[0019] Among them, 1-mounting base; 2-fixed seat; 3-guide support seat; 4-single-axis drive; 5-drive slider; 6-sliding connection block; 7-handle; 8-drive motor; 9-shockproof base; 10-grating scale displacement sensor; 11-grating head connector; 12-grating reading head; 13-position sensor moving end; 14-position sensor; 15-pin shaft. DETAILED DESCRIPTION

[0020] The performance detection device for the position sensor 14 of the present invention will be described in detail below with reference to the accompanying drawings and embodiments.

[0021] This embodiment discloses a device for detecting the performance of a position sensor 14. Figure 1 As shown, it includes a mounting base 1; a fixed seat 2, a position sensor 14, a single-axis driver 4 and a drive motor 8 are sequentially arranged on the mounting base 1; a grating scale displacement sensor 10 is arranged on one side of the single-axis driver 4; the single-axis driver 4 and the grating scale displacement sensor 10 are arranged in parallel, ensuring that the moving end 13 of the position sensor 14 does not generate additional torque during the translation process; a grating reading head 12 is arranged on the grating scale displacement sensor 10; a drive slider 5 is provided on the single-axis driver 4; a sliding connection block 6 is provided on the drive slider 5; the moving end 13 of the position sensor 14 is connected to the aforementioned sliding connection block 6, and the other end is connected to the aforementioned fixed seat 2; the aforementioned grating reading head 12 is connected to the aforementioned sliding connection block 6 via a grating head connector 11; the drive motor 8 is connected to the aforementioned single-axis driver 4.

[0022] In the embodiment of the present disclosure, the fixed seat 2 is provided with a guide support seat 3 between the single-shaft driver 4; the guide support seat 3 is provided with a guide groove; the guide support seat 3 is located below the position sensor 14; the guide support seat 3 ensures the axial height and guide direction of the position sensor 14 through the guide groove.

[0023] In the embodiment of the present disclosure, the moving end 13 of the position sensor 14 is connected with the aforementioned sliding connection block 6 through an inner thread and a mounting hole provided on the sliding connection block 6, and the other end is connected with the aforementioned fixed seat 2 through a pin shaft 15 which penetrates the mounting hole of the position sensor 14 and the mounting hole of the fixed seat 2 at the same time. The pin shaft 15 penetrates the displacement sensor mounting hole and the product fixed seat 2 mounting hole at the same time, and is connected with the two mounting holes through a tolerance tight fit, eliminating the gap of the installation part during the test process.

[0024] In the embodiment of the present disclosure, the position sensor 14 selects a differential transformer, which mainly consists of two parts of a coil component and a moving end 13 component. Both ends of the mounting base plate 1 are provided with a handle 7; the lower corners of the mounting base plate 1 are provided with a plurality of shockproof feet 9; in this embodiment, the height of the shockproof feet 9 can be adjusted to ensure the overall stability of the device after placement. The height adjustment function of the shockproof feet 9 can provide a stable operating environment for the overall system and improve the measurement accuracy.

[0025] At the same time, the embodiment of the present disclosure also includes a host computer; the host computer is connected with the position sensor 14, the grating displacement sensor 10 and the driving motor 8 respectively; the host computer can control the steering and speed of the driving motor 8, so as to control the displacement direction and speed of the driver sliding block 5, drive the grating reading head 12 to move through the driver sliding block 5, and also supply power to the position sensor 14, input the data collected by the grating displacement sensor 10 into the host computer for storage and analysis.

[0026] In the embodiment of the present disclosure, the resolution of the grating displacement sensor 10 is 1 μm; the model of the single-shaft driver 4 is LX20; the model of the driving motor 8 is MSMD5A2L1B1M.

[0027] When the detection of the position sensor 14 is performed, the position sensor 14 to be detected is installed on the fixed seat 2 and the guide support seat 3, the moving end 13 of the position sensor 14 is connected with the sliding connecting block 6, the displacement direction and the speed of the moving end 13 of the position sensor 14 are adjusted through the driving motor 8, so that the position sensor 14 meets the preset test requirements; the grating displacement sensor 10 is connected with the grating reading head 12, the grating head connecting piece 11, the sliding connecting block 6 and the moving end 13 of the position sensor 14 in sequence, and the driver sliding block 5 and the single-shaft driver 4 are connected with the driving motor 8. When the test is performed, the host computer inputs the displacement direction and the speed and other parameters to the driving motor 8, the driving motor 8 drives the driver sliding block 5 on the single-shaft driver 4 to translate, in the moving process, the grating displacement sensor 10 collects the displacement amount of the moving end 13 of the position sensor 14 through the moving signal generated by the displacement of the driver sliding block 5 through the grating reading head 12, and uploads the collected data to the host computer for data analysis and processing, and the displacement amount obtained through the test is the final test result.

[0028] The position sensor 14 performance detection device described in the embodiment has high automation degree, and has high measurement accuracy when the detection is performed, and effectively solves the error problem caused by manual operation.

Claims

1. A position sensor performance detection apparatus comprising a mounting base plate; characterized by: The mounting base is sequentially provided with a fixing seat, a position sensor, a single-shaft driver and a driving motor; One side of the single-shaft driver is provided with a grating ruler displacement sensor; the single-shaft driver and the grating ruler displacement sensor are arranged in parallel; the grating ruler displacement sensor is provided with a grating reading head; The single-shaft driver is provided with a driver sliding block; The driving motor is connected with the single-shaft driver. The fixing seat and the single-shaft driver are provided with a guide support seat; the guide support seat is provided with a guide groove; the guide support seat is located below the position sensor. Both ends of the mounting base are provided with handles. The lower corners of the mounting base are provided with a plurality of shockproof feet.

2. The position sensor performance detection apparatus according to claim 1, characterized by: The moving end of the position sensor is connected with the sliding connecting block through internal threads and mounting holes arranged on the sliding connecting block, and the other end is connected with the fixing seat through a pin shaft and simultaneously penetrates mounting holes arranged on the position sensor and the fixing seat.

3. The position sensor performance detection apparatus of claim 2, wherein: Further comprising a host computer; the host computer is connected with the position sensor, the grating ruler displacement sensor and the driving motor respectively.

4. The position sensor performance detection apparatus of claim 3, wherein: ​ 5. The position sensor performance detection apparatus of claim 4, wherein: ​ 6. The position sensor performance detection apparatus according to claim 1 or 2 or 5, characterized by: ​

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