Motor function integrated detection device

By integrating withstand voltage testing and motor function testing components into a single workstation, the problem of increased labor costs due to separate measurement workstations in DC motor production has been solved, achieving efficient motor performance testing.

CN223977325UActive Publication Date: 2026-03-06NICHIBO MOTOR SHENZHEN CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2026-03-06

AI Technical Summary

Technical Problem

In existing technologies, the functional measurement and withstand voltage measurement of DC motors need to be conducted in two separate testing stages, which increases the number of measurement stations and labor costs.

Method used

Design an integrated motor function testing device that integrates a withstand voltage test component and a motor function test component into one station. The motor is fixed and the wires are connected through the motor mounting window on the housing. The withstand voltage test component applies high voltage to test the insulation performance, and basic performance tests are performed at the same station. The test parameters are displayed through the display and control panel.

Benefits of technology

It integrates functional measurement and withstand voltage measurement, reducing the number of workstations and lowering labor costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a motor function integrated detection device, the device is provided with a withstand voltage test assembly and a motor function test assembly, a shell is provided with a motor installation window used for accommodating a motor, and a motor wiring port of the withstand voltage test assembly can allow a wire of the motor to be connected. The withstand voltage test assembly applies a test voltage higher than a normal working voltage to detect the withstand capability of the motor insulation system, and after the withstand voltage test assembly completes the test, the motor can be subjected to a basic performance test through the motor function test assembly without moving out of the motor installation window. The withstand voltage parameters of the withstand voltage test assembly and the test parameters of the motor function test assembly can be sent to the display control panel for judgment and display. Wherein the function measurement and the withstand voltage measurement are integrated in one station detection, so that the labor cost caused by station increase is reduced.
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Description

Technical Field

[0001] This utility model relates to an integrated testing device for motor functions, belonging to the field of motor function testing technology. Background Technology

[0002] A DC motor (direct current motor) is an electric motor that converts direct current electrical energy into mechanical energy, and it is widely used in various industries and daily life. During the production process, DC motors typically require functional measurements and withstand voltage measurements. Functional measurements usually involve testing the motor's basic performance parameters, such as speed, torque, current, and voltage. Withstand voltage measurements primarily test the motor's insulation performance, including DC and AC withstand voltage tests. In the industry, functional and withstand voltage measurements are typically performed as two separate testing stages in motor production, using different equipment and at different workstations. This results in an increase in the number of measurement workstations and higher labor costs. Utility Model Content

[0003] To address the shortcomings of the existing technology, the present invention aims to provide an integrated motor function testing device. This device comprises a withstand voltage testing component and a motor function testing component. The housing has a motor mounting window for accommodating the motor. The motor wiring port of the withstand voltage testing component allows the motor's wires to be connected. The withstand voltage testing component applies a test voltage higher than the normal operating voltage to test the withstand capability of the motor's insulation system. After the withstand voltage testing component completes its test, the motor does not need to be removed from the motor mounting window; basic performance testing of the motor can be performed using the motor function testing component. The withstand voltage parameters and test parameters of both components can be sent to a display panel for judgment and display. The integration of function measurement and withstand voltage measurement into a single testing station reduces the labor costs associated with additional workstations.

[0004] To achieve the above objectives, this utility model provides an integrated motor function testing device, comprising:

[0005] The housing includes at least one motor mounting window disposed on the main body of the housing, the at least one motor mounting window being capable of detachably securing a motor;

[0006] A withstand voltage test assembly is disposed on the housing. The withstand voltage test assembly includes a motor wiring port disposed on one side of the at least one motor mounting window. The motor wiring port can be used to insert motor wires to form an electrical connection.

[0007] A motor function test assembly is disposed on the housing and includes a function test connection end that can be connected to the output shaft of the motor.

[0008] A display and control panel, which is electrically connected to the withstand voltage test component and the motor function test component respectively;

[0009] The power supply is electrically connected to the display and control panel, the withstand voltage test component, and the motor function test component.

[0010] Furthermore, as a more preferred embodiment of this utility model,

[0011] The motor function testing components include:

[0012] At least one torque testing mechanism, wherein the at least one torque testing mechanism is disposed on the housing, and the at least one torque testing mechanism includes a torque testing connection end capable of connecting to the output shaft of a motor; and / or

[0013] At least one radial runout testing mechanism is disposed on the housing, and the at least one radial runout testing mechanism includes a radial runout testing connection end, which can abut against the outer side of the output shaft of the motor;

[0014] Furthermore, as a more preferred embodiment of the present invention, the pressure resistance testing component includes a pressure resistance tester, which is disposed inside the housing.

[0015] The relay is electrically connected to both the withstand voltage tester and the motor wiring port. The display and control panel is electrically connected to the relay and can control the relay to open. The withstand voltage tester can apply voltage to the motor, and the display and control panel can receive the measurement data of the motor from the withstand voltage tester.

[0016] Furthermore, as a more preferred embodiment of this utility model, the at least one torque testing mechanism includes:

[0017] A first support plate is disposed inside the housing;

[0018] A load brake, wherein the load brake is detachably mounted on the first support plate;

[0019] A coupling, one end of which is detachably connected to the output shaft of the load brake, and the other end of which is detachably connected to the output shaft of the motor within the at least one motor mounting window.

[0020] Furthermore, as a more preferred embodiment of the present invention, the at least one radial runout testing mechanism includes a second support plate, which is disposed inside the housing;

[0021] A dial indicator is mounted on the second support plate, and the measuring end of the dial indicator can abut against the outside of the motor's output shaft.

[0022] Furthermore, as a more preferred embodiment of the present invention, the first support plate includes a first cylinder slide disposed on the main body of the first support plate and a cylinder power source disposed within the housing, the cylinder power source being connected to the first cylinder slide; the movable end of the first cylinder slide is detachably connected to the load brake, and the first cylinder slide can drive the load brake to move toward the at least one motor mounting window.

[0023] Furthermore, as a more preferred embodiment of the present invention, the second support plate includes a second cylinder slide disposed on the main body of the second support plate. The movable end of the second cylinder slide is detachably connected to the dial indicator, and the second cylinder slide can drive the dial indicator to move toward the output shaft of the motor in the at least one motor mounting window.

[0024] Furthermore, as a more preferred embodiment of the present invention, the housing includes an operation opening disposed on the main body of the housing, the operation opening corresponding to the installation position of the at least one torque testing mechanism, and the operation opening allowing a human hand to extend to the torque testing connection end.

[0025] Furthermore, as a more preferred embodiment of the present invention, the housing includes an observation window disposed on the main body of the housing, the position of the observation window corresponding to the position of the dial indicator, and the dial of the dial indicator can be observed through the observation window.

[0026] Furthermore, as a more preferred embodiment of this utility model, the housing includes a control plane disposed on the surface of the housing, and the control plane is provided with the motor wiring port; the display and control panel includes control buttons, and the control buttons are disposed on the control plane; the power supply includes a power socket, and the power socket is disposed on one side wall of the housing.

[0027] An integrated motor function testing device includes a withstand voltage testing component and a motor function testing component. The housing has a motor mounting window for accommodating the motor. The motor wiring port of the withstand voltage testing component allows the motor's wires to be connected. The withstand voltage testing component tests the withstand capability of the motor's insulation system by applying a test voltage higher than the normal operating voltage. After the withstand voltage test is completed, the motor does not need to be removed from the motor mounting window; basic performance tests can be performed on the motor through the motor function testing component. The withstand voltage parameters and test parameters of both components can be sent to a display panel for judgment and display. The integration of function measurement and withstand voltage measurement into a single testing station reduces the labor costs associated with additional workstations. Attached Figure Description

[0028] Figure 1 This is a schematic diagram showing the structure of the integrated motor function detection device in the embodiment.

[0029] Figure 2 This is another schematic diagram showing the structure of the integrated motor function detection device in the embodiment.

[0030] Figure 3 This is a schematic diagram of the integrated motor function detection device in the embodiment.

[0031] Figure 4 This is another schematic diagram of the structure of the integrated motor function detection device in the embodiment.

[0032] Figure 5 This is a schematic diagram showing the unfolded structure of the motor function test component in the embodiment.

[0033] Figure label:

[0034] 1-Housing, 11-Motor mounting window, 12-Operating opening, 13-Observation window, 2-Pressure withstand test assembly, 21-Motor wiring port, 22-Pressure withstand tester, 23-Relay, 3-Motor function test assembly, 31-Function test connection, 311-Torque test connection, 312-Radial runout test connection, 32-Torque test mechanism, 321-First support plate, 322-Load brake, 323-Coupling, 324-First cylinder slide, 325-Cylinder power source, 33-Radial runout test mechanism, 331-Second support plate, 332-Dial indicator, 333-Second cylinder slide, 4-Display control panel, 41-Display screen, 42-Circuit board, 43-Control buttons, 5-Power supply, 51-Power socket.

[0035] 100 - Motor, 101 - Motor output shaft, 102 - Motor wires Detailed Implementation

[0036] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0037] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly set on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to the other component.

[0038] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0039] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" or "several" means two or more, unless otherwise explicitly specified.

[0040] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce.

[0041] Example

[0042] This embodiment aims to address the existing technology where functional measurement and withstand voltage measurement in motor production are two separate testing stages, performed by different equipment and workstations. This results in an increase in the number of measurement workstations and labor costs. Therefore, referring to... Figure 1-5As shown, this embodiment provides an integrated motor function testing device. The device includes a withstand voltage testing component 2 and a motor function testing component 3. The housing 1 has a motor mounting window 11 for accommodating the motor. The motor wiring port 21 of the withstand voltage testing component 2 allows the motor's wires 102 to be connected. The withstand voltage testing component 2 applies a test voltage higher than the normal operating voltage to test the withstand capability of the motor's insulation system. After the withstand voltage testing component 2 completes its test, the motor does not need to be removed from the motor mounting window 11; basic performance testing can be performed on the motor using the motor function testing component 3. The withstand voltage parameters of the withstand voltage testing component 2 and the test parameters of the motor function testing component 3 can be sent to the display panel 4 for judgment and display. The integration of function measurement and withstand voltage measurement into a single testing station reduces the labor costs associated with additional workstations.

[0043] Reference Figure 1-5 As shown, an integrated motor function testing device includes: a housing 1, a withstand voltage testing component 2, a motor function testing component 3, a display and control panel 4, and a power supply 5. The housing 1 includes at least one motor mounting window 11 disposed on its main body. The at least one motor mounting window 11 can detachably fix the motor. For example, the motor mounting window 11 can be a through-hole stepped opening that can accommodate the motor, and the motor's output shaft 101 can pass downwards through the stepped opening. To further fix the motor, a limiting bolt can be provided on one side of the motor mounting window 11. The limiting bolt is threaded to one side wall of the motor mounting window 11, and the limiting bolt can be inserted into the motor mounting window 11 to hold the motor in place, thus achieving a limiting fixation.

[0044] The withstand voltage test component 2 is disposed on the housing 1. The withstand voltage test component 2 includes a motor wiring port 21 disposed on one side of at least one motor mounting window 11. The motor wiring port 21 can be used to insert the motor wire 102 to form an electrical connection. It should be noted that the motor wiring port 21 is used to connect to the interface of the withstand voltage test component 2.

[0045] The motor function test component 3 is mounted on the housing 1. The motor function test component 3 includes a function test connection end 31, which can be connected to the output shaft 101 of the motor. The function test connection end 31 includes a torque test connection end 311 and a radial runout test connection end 312, which respectively test the torque of the motor and the radial runout of the output shaft.

[0046] The display and control panel 4 is electrically connected to the withstand voltage test component 2 and the motor function test component 3. The display and control panel 4 may include a display screen 41, a circuit board 42, and a processor mounted on the circuit board 42. The processor is used for controlling the entire device, receiving data, and processing judgments. For example, the display and control panel 4 can be an industrial equipment display and control panel widely used in industrial automation control systems, such as a display and control touch screen (manual machine interface) used in small and medium-sized industrial monitoring machines, which features low cost and strong scalability. Furthermore, the display and control panel 4 can also integrate PLC (programmable logic controller) functions to achieve efficient control of the equipment. The power supply 5 is electrically connected to the display and control panel 4, the withstand voltage test component 2, and the motor function test component 3.

[0047] Reference Figure 1 , 2 As shown in Figure 5, the motor function testing assembly 3 includes: at least one torque testing mechanism 32, which is disposed on the housing 1. The torque testing mechanism 32 includes a torque testing connection end 311, which can be connected to the output shaft 101 of the motor to form a fixed connection and achieve synchronous rotation. In some embodiments, the motor function testing assembly 3 may further include: at least one radial runout testing mechanism 33, which is disposed on the housing 1. The radial runout testing mechanism 33 includes a radial runout testing connection end 312, which can abut against the outer side of the output shaft 101 of the motor; its purpose is to measure the radial runout of the motor.

[0048] Reference Figure 1 , 2 As shown in Figure 5, the withstand voltage test assembly 2 includes a withstand voltage tester 22 and a relay 23. The withstand voltage tester 22 is disposed inside the housing 1; for example, the withstand voltage tester 22 can be the PVT-3C withstand voltage tester in existing products.

[0049] The relay 23 is electrically connected to both the withstand voltage tester 22 and the motor terminal 21. The display and control panel 4 is also electrically connected to the relay 23, allowing it to open. The withstand voltage tester 22 applies voltage to the motor 100, and the display and control panel 4 receives and interprets the measurement data from the withstand voltage tester 22. The withstand voltage tester 22 is used to test the motor's insulation performance and withstand voltage capability. It evaluates the motor's insulation strength and withstand capability under high voltage by applying a voltage higher than the normal operating voltage.

[0050] Reference Figure 1 , 2As shown in Figure 5, at least one torque testing mechanism 32 includes: a first support plate 321, a load brake 322, and a coupling 323. The first support plate 321 is disposed inside the housing 1; exemplarily, the motor mounting window 11 is vertically through-hole, and the first support plate 321 can be vertically disposed at the bottom of one side of the motor mounting window 11 within the housing 1. The load brake 322 is detachably disposed on the first support plate 321. One end of the coupling 323 is detachably connected to the output shaft of the load brake 322, and the other end of the coupling 323 can be detachably connected to the output shaft 101 of a motor within at least one motor mounting window 11. Exemplarily, the load brake 322 can be a magnetic powder brake or a hysteresis brake as in the prior art. The load brake 322 is used to simulate load changes under actual working conditions to evaluate motor performance.

[0051] Reference Figure 1 , 2 As shown in Figure 5, at least one radial runout testing mechanism 33 includes a second support plate 331 and a dial indicator 332. The second support plate 331 is disposed inside the housing 1, and exemplaryly, it may be disposed perpendicular to the first support plate 321. The dial indicator 332 is disposed on the second support plate 331, and its measuring end can abut against the outside of the motor's output shaft 101. The dial indicator 332 can measure the radial runout of the motor: with the motor's output shaft 101 fixed in a vertical direction, the dial indicator 332 is fixed on the second support plate 331, and its measuring end, i.e., the probe, is placed on the outer circular surface of the motor's output shaft 101. Measurement is performed by rotating the motor rotor at low speed, and the difference between the maximum and minimum readings of the dial indicator 332 is recorded to determine the radial runout error.

[0052] Reference Figure 1 , 2 As shown in Figure 5, the first support plate 321 includes a first cylinder slide 324 disposed on the main body of the first support plate 321 and a cylinder power source 325 disposed within the housing 1. The cylinder power source 325 is connected to the first cylinder slide 324. The movable end of the first cylinder slide 324 is detachably connected to the load brake 322, and the first cylinder slide 324 can drive the load brake 322 to move toward at least one motor mounting window 11. The purpose of the first cylinder slide 324 is to flexibly adjust the relative position of the coupling 323 and the motor under test, so that the other end of the coupling 323 can be connected to the output shaft 101 of the motor under test.

[0053] Reference Figure 1 , 2As shown in Figure 5, the second support plate 331 includes a second cylinder slide 333 disposed on the main body of the second support plate 331. The movable end of the second cylinder slide 333 is detachably connected to the dial indicator 332. The second cylinder slide 333 can drive the dial indicator 332 to move toward the output shaft 101 of the motor in at least one motor mounting window 11. The purpose of the second cylinder slide 333 is to flexibly adjust the relative position of the dial indicator 332 and the output shaft 101 of the motor under test, so as to facilitate the installation and removal of the motor under test 100 on the motor mounting window 11. After the torque testing mechanism 32 has completed the test on the motor 100, the coupling 323 is released from the limit of the motor shaft, the first cylinder slide 324 retracts, and the second cylinder slide 333, with the detection end of the dial indicator 332, pushes against the output shaft 101 of the motor to detect the radial runout of the output shaft 101 of the motor. For example, the second cylinder slide 333 can also be powered by another cylinder power source 325.

[0054] Reference Figure 1 , 2 As shown in Figure 5, the housing 1 includes an operation opening 12 disposed on the main body of the housing 1. The operation opening 12 corresponds to the installation position of at least one torque testing mechanism 32. The operation opening 12 allows a human hand to reach to the torque testing connection end 311.

[0055] Reference Figure 1 , 2 As shown in Figure 5, the housing 1 includes an observation window 13 disposed on the main body of the housing 1. The position of the observation window 13 corresponds to the position of the dial indicator 332, and the dial of the dial indicator 332 can be observed through the observation window 13.

[0056] Reference Figure 1 , 2 As shown in Figure 5, the housing 1 includes a control plane 14 disposed on the surface of the housing 1, and the control plane 14 is provided with a motor wiring port 21; the display and control panel 4 includes control buttons 43 disposed on the control plane 14; the power supply 5 includes a power socket 51 disposed on one side wall of the housing 1.

[0057] Reference Figure 1-5As shown, the working principle of this embodiment is as follows: AC power is plugged into the power socket 51, and the power supply 5 provides power to the entire device. The power supply 5 can convert AC power to DC power to supply power to the device. The product under test—motor 100—is placed in the motor mounting window 11, and the motor's wire 102 is connected to the motor wiring port 21. The start control button 43 is pressed, and the display control panel 4 detects the start information from the control button 43. Then, it controls the relay 23 to switch, allowing the withstand voltage tester 22 to output voltage to the motor wiring port 21. The display control panel 4 can connect to the withstand voltage tester via RS485 to control the start of withstand voltage measurement. Then, it reads the measurement parameters from the withstand voltage tester 22. Subsequently, the display control panel 4 controls the relay 23 to switch to motor function measurement. The motor runs, and the display control panel 4 collects the motor's speed and current parameters. These parameters are then sent to the all-in-one computer host computer of the display control panel 4 via RS485. The host computer compares the received parameters with the set parameters and finally displays the results on the display control panel 4.

[0058] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A motor function integrated testing device, characterized in that, The application relates to a motor function integrated detection device. The application relates to a motor function integrated detection device.

2. The motor function integrated detection device according to claim 1, wherein the motor function test assembly comprises: at least one torque test mechanism arranged on the shell, the torque test mechanism comprising a torque test connecting end capable of being connected to the output shaft of the motor; and / or at least one radial run-out test mechanism arranged on the shell, the radial run-out test mechanism comprising a radial run-out test connecting end capable of abutting the outer side of the output shaft of the motor. The pressure resistance test assembly comprises a pressure resistance tester arranged inside the shell. The at least one torque test mechanism comprises: a first support plate arranged inside the shell; a load brake detachably arranged on the first support plate; and a shaft coupling, one end of which is detachably connected to the output shaft of the load brake, and the other end of which is detachably connected to the output shaft of the motor in the at least one motor mounting window. The at least one radial run-out test mechanism comprises a second support plate arranged inside the shell; and a micrometer arranged on the second support plate, the detection end of the micrometer being capable of abutting the outer side of the output shaft of the motor. The first support plate comprises a first air cylinder sliding table arranged on the main body of the first support plate and an air cylinder power source arranged in the shell, the air cylinder power source being connected to the first air cylinder sliding table; the moving end of the first air cylinder sliding table is detachably connected to the load brake, and the first air cylinder sliding table is capable of driving the load brake to move towards the at least one motor mounting window. ​ ​ ​ 3. The motor function integrated detection apparatus according to claim 1, characterized by: ​ ​ 4. The motor function integrated detection apparatus according to claim 2, characterized by: ​ ​ ​ ​ 5. The motor function integrated detection apparatus according to claim 1, characterized by: ​ ​ 6. The motor function integrated detection apparatus according to claim 4, characterized by: ​ 7. The motor function integrated detection apparatus according to claim 5, characterized by: The second support plate member comprises a second cylinder slide table arranged on the main body of the second support plate member, the moving end of the second cylinder slide table is detachably connected with the micrometer, and the second cylinder slide table can drive the micrometer to move towards the output shaft of the motor in the at least one motor installation window.

8. The motor function integrated detection apparatus according to claim 2, characterized by: The shell comprises an operation opening arranged on the main body of the shell, the operation opening corresponds to the installation position of the at least one torque test mechanism, and the operation opening can enable the human hand to reach the torque test connecting end.

9. The motor function integrated detection apparatus according to claim 5, characterized by: The shell comprises an observation window arranged on the main body of the shell, the position of the observation window corresponds to the position of the micrometer, and the dial plate of the micrometer can be observed through the observation window.

10. The motor function integrated detection apparatus according to claim 1, characterized by: The shell comprises a control plane arranged on the surface of the shell, the control plane is provided with the motor wiring port; the display and control panel comprises a control button, the control button is arranged on the control plane; and the power supply comprises an electricity connection socket, the electricity connection socket is arranged on one side shell wall of the shell.