Position sensor testing mechanism
By designing a position sensor testing mechanism, the relative position change and current voltage detection of simulated rotor and inductive position sensor are solved, and the problem of difficult to determine the adaptability of the position sensor and the motor is achieved, and high-precision and stable testing are achieved.
Patent Information
- Application Number
- CN202422611467.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-10-28
AI Technical Summary
In the prior art, the adaptation degree of position sensor and motor cannot be accurately determined, resulting in large detection errors.
A position sensor testing mechanism is designed, including a base, an analog rotor, a driving assembly and a fixing seat. The driving assembly drives the analog rotor to lift and lower and horizontal movement, change its relative position with the inductive position sensor, and test the inductive position sensor by detecting the voltage or current of the coil.
Accurate testing of the adaptability of the position sensor to the motor is achieved, improving the testing accuracy and stability, and ensuring the accuracy and efficiency of the test.
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Figure CN223216833U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sensors, in particular to a position sensor testing mechanism. Background Art
[0002] With the continuous improvement of industrial automation, the demand for various sensors, especially those used for position detection, is growing. Position sensors are increasingly used in the automotive, aviation, marine, and machinery manufacturing industries. These sensors are essential tools for precise position detection due to their non-contact measurement, high reliability, and adaptability to harsh environments.
[0003] Position sensors are commonly used detection components on motors. Existing motors of different specifications require configurations of position sensors of different specifications. However, in the actual production process, it is impossible to accurately determine whether the position sensor is compatible with the motor, resulting in large detection errors of the position sensor. Utility Model Content
[0004] The purpose of this application is to provide a position sensor testing mechanism to solve the problem in the prior art that it is impossible to determine whether the position sensor is compatible with the motor.
[0005] To achieve this goal, this application adopts the following technical solutions:
[0006] The present application provides a position sensor testing mechanism, which includes a base, a simulated rotor, a drive assembly, and a fixed seat, wherein:
[0007] The fixed end of the driving assembly is mounted on the base, the driving end of the driving assembly is connected to the simulated rotor, and the driving assembly is configured to drive the simulated rotor to move up and down and horizontally;
[0008] The fixing base is provided with an avoidance hole for avoiding the simulated rotor. At least one inductive position sensor to be tested is installed on the fixing base. The inductive position sensor to be tested is located on the periphery of the simulated rotor. The inductive position sensor includes a silicon steel sheet and a coil.
[0009] The driving component drives the simulated rotor to rise and fall and move horizontally to change the relative position of the simulated rotor and the inductive position sensor. At the same time, the voltage or current of the coil is tested by the detection instrument to test the inductive position sensor.
[0010] Optionally, the fixing seat includes a fixing plate and a plurality of support rods, the plurality of support rods are evenly distributed around the circumference of the fixing plate, the support rods are respectively fixedly connected to the fixing plate and the base in a vertical direction, and the support rods are configured to support the fixing plate.
[0011] Optionally, a plurality of inductive position sensors are evenly distributed along the circumference of the fixed disk.
[0012] Optionally, a plurality of slots are evenly distributed along the circumferential direction on the fixed disk, each slot can be installed with an inductive position sensor, and the slots are configured to limit the inductive position sensor.
[0013] Optionally, the drive assembly is configured as a three-phase precision slide.
[0014] Optionally, a plurality of first mounting holes are provided on the base, and a second mounting hole is provided at the first end of the support rod, and the second mounting hole corresponds to the first mounting hole.
[0015] Optionally, the second mounting hole is connected to the first mounting hole by a quick-release bolt to fix the support rod on the base.
[0016] Compared with the prior art, the position sensor testing mechanism proposed in this application has the following advantages:
[0017] 1) By simulating the relative position of the rotor and the position sensor, and by detecting the voltage or current of the coil through the detection instrument, the position sensor is tested to determine its compatibility with the motor.
[0018] 2) By setting the drive component as a three-phase precision slide, precise positioning and multi-dimensional adjustment of the simulated rotor can be achieved, thereby improving test accuracy.
[0019] 3) By providing a slot on the fixed plate for limiting the installation of the position sensor, not only the accuracy of the installation position of the position sensor is ensured, but also the position sensor is effectively prevented from displacement or loosening during the test, thereby ensuring the stability and accuracy of the test. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate and understand the technical solutions in the embodiments of the present application, a brief introduction is given below to the background technology of the present application and the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the content of the embodiments of the present application and these drawings without paying any creative work.
[0021] Figure 1 This is a schematic diagram of the three-dimensional split structure of the position sensor testing mechanism provided in an embodiment of the present application;
[0022] Figure 2 1 is a front view of a position sensor testing mechanism provided in an embodiment of the present application;
[0023] Figure 3 It is a top view of the position sensor testing mechanism provided in an embodiment of the present application. DETAILED DESCRIPTION
[0024] To facilitate understanding of the present application, a more comprehensive description of the present application will be provided below with reference to the relevant drawings. Preferred embodiments of the present application are shown in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to enable a more thorough and comprehensive understanding of the disclosure of the present application. It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there can also be a central component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or there can also be a central component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by a person skilled in the art to which the present application belongs. The terms used herein in the specification of the present application are for the purpose of describing specific embodiments only and are not intended to limit the present application. The term "and / or" used herein includes any and all combinations of one or more of the relevant listed items.
[0025] See also Figures 1 to 3 As shown, an embodiment of the present application provides a position sensor testing mechanism, which includes a base 10, a simulated rotor 20, a drive assembly 30 and a fixed base 40, wherein:
[0026] The fixed end of the driving assembly 30 is mounted on the base 10 , and the driving end of the driving assembly 30 is connected to the simulated rotor 20 . The driving assembly 30 is configured to drive the simulated rotor 20 to move up and down and horizontally.
[0027] The fixing base 40 is provided with an escape hole 41 for evading the simulated rotor 20. At least one position sensor 50 to be tested is mounted on the fixing base 40. The position sensor 50 to be tested is located at the periphery of the simulated rotor 20. The position sensor 50 includes a silicon steel sheet 51 and a coil 52.
[0028] The driving assembly 30 drives the simulated rotor 20 to move up and down and horizontally to change the relative position of the simulated rotor 20 and the position sensor 50 , and at the same time tests the voltage or current of the coil 52 through a detection instrument to test the position sensor 50 .
[0029] By simulating the coordination of the rotor 20, the drive assembly 30, the fixing seat 40 and the position sensor 50, the response characteristics of the position sensor 50 can be accurately tested, and the detailed parameters of the position sensor 50 can be obtained to ensure its compatibility with the motor.
[0030] In one embodiment, the fixing seat 40 includes a fixing plate 42 and a plurality of support rods 43 , wherein the plurality of support rods 43 are evenly distributed around the circumference of the fixing plate 42 , and the support rods 43 are respectively fixedly connected to the fixing plate 42 and the base 10 in the vertical direction, and the support rods 43 are configured to support the fixing plate 42 .
[0031] The cooperation between the fixing plate 42 and the supporting rod 43 enhances the stability of the position sensor 50 during operation and the structural strength of the entire mechanism.
[0032] In one embodiment, a plurality of position sensors 50 are evenly distributed along the circumference of the fixed disk 42 .
[0033] By evenly distributing the plurality of position sensors 50 on the fixed plate 42 , it is possible to test the plurality of position sensors 50 simultaneously, thereby improving the test efficiency.
[0034] In one embodiment, a plurality of support rods 43 are evenly distributed along the circumferential direction on the fixing plate 42 , and a position sensor 50 can be installed in each slot 420 . The slot 420 is configured to limit the position sensor 50 .
[0035] By providing a slot 420 on the fixed plate 42 for limiting the installation of the position sensor 50, not only the accuracy of the installation position of the position sensor 50 is ensured, but also the position sensor 50 is effectively prevented from displacement or loosening during the test, thereby ensuring the stability and accuracy of the test.
[0036] In one embodiment, the drive assembly 30 is configured as a three-phase precision slide.
[0037] By setting the drive assembly 30 as a three-phase precision slide, it is possible to achieve precise positioning and multi-dimensional adjustment of the simulated rotor 20, thereby improving the test accuracy.
[0038] In one embodiment, a plurality of first mounting holes 100 are provided on the base 10 , and a second mounting hole 430 is formed at the first end of the support rod 43 , and the second mounting hole 430 corresponds to the first mounting hole 100 .
[0039] By providing a plurality of first mounting holes 100 on the base 10 , a flexible mounting configuration is provided, which facilitates the disassembly and adjustment of the support rods 43 , thereby enhancing the flexibility and maintainability of the device.
[0040] In one embodiment, the second mounting hole 430 is connected to the first mounting hole 100 via a quick-release bolt to fix the support rod 43 on the base 10 .
[0041] By using quick-release screws to connect the first mounting hole 100 and the second mounting hole 430, quick disassembly and assembly between the support rod 43 and the base 10 is achieved, which simplifies the installation process, improves work efficiency, and enhances the stability of the support structure.
[0042] The above embodiments merely illustrate the basic principles and features of the present application. The present application is not limited by the above examples. Various changes and modifications may be made to the present application without departing from the spirit and scope of the present application. Such changes and modifications are intended to fall within the scope of the present application. The scope of protection claimed in the present application is defined by the appended claims and their equivalents.
Claims
1. A position sensor testing mechanism, characterized in that: The position sensor testing mechanism includes a base, a simulated rotor, a drive assembly and a fixed seat, wherein: The fixed end of the driving assembly is mounted on the base, the driving end of the driving assembly is connected to the simulated rotor, and the driving assembly is configured to drive the simulated rotor to move up and down and horizontally; The fixing base is provided with an avoidance hole for avoiding the simulated rotor, and at least one inductive position sensor to be tested is installed on the fixing base. The inductive position sensor to be tested is located on the periphery of the simulated rotor, and the inductive position sensor includes a silicon steel sheet and a coil; The driving component drives the simulated rotor to rise and fall and move horizontally to change the relative position of the simulated rotor and the inductive position sensor, and at the same time tests the voltage or current of the coil through a detection instrument to test the inductive position sensor.
2. The position sensor testing mechanism according to claim 1, characterized in that: The fixing seat includes a fixing plate and a plurality of support rods, wherein the plurality of support rods are evenly distributed around the circumference of the fixing plate, the support rods are respectively fixedly connected to the fixing plate and the base in a vertical direction, and the support rods are configured to support the fixing plate.
3. The position sensor testing mechanism according to claim 2, characterized in that: The fixed disk is evenly distributed with a plurality of the inductive position sensors along the circumferential direction.
4. The position sensor testing mechanism according to claim 2, characterized in that: The fixing plate is provided with a plurality of slots evenly distributed along the circumferential direction. Each of the slots can be used to install one of the inductive position sensors. The slots are configured to limit the position of the inductive position sensor.
5. The position sensor testing mechanism according to claim 1, characterized in that: The drive assembly is configured as a three-phase precision slide.
6. The position sensor testing mechanism according to claim 2, characterized in that: A plurality of first mounting holes are provided on the base, and a second mounting hole is provided at the first end of the support rod, and the second mounting hole corresponds to the first mounting hole.
7. The position sensor testing mechanism according to claim 6, characterized in that: The second mounting hole is connected to the first mounting hole via a quick-release bolt to fix the support rod on the base.