Inner rotor motor stator test tool

Abstract

The utility model relates to an inner rotor motor stator test tool which comprises a test machine table, a guide rail, a movable frame, an induction piece, a material placing assembly and a wiring assembly. Induction plates are arranged on the two sides of the movable frame, and induction pieces are arranged on the two sides of the guide rail; two material placing assemblies and two wiring assemblies are transversely arranged on a test table top of the test machine table, each material placing assembly comprises a material placing seat, an inserting rod, a connecting wire and a fastening screw, and the inserting rod is obliquely arranged on the test table top through the material placing seat; the wiring assembly comprises a wiring board, a plurality of wiring clamps, a plurality of wiring frames and a spring. The utility model has the advantages that the two groups of test stations are arranged, and the movable frame is moved back and forth to test the two groups of test stations in sequence, so that the waiting time of wiring is reduced; the wiring assembly can meet the requirements of various test items, and facilitates the connection between the stator and a corresponding test port of a test machine. The insertion rod is obliquely arranged, thereby reducing the gap between the insertion rod and the stator, and ensuring that the connecting wire is always connected with the stator.

Description

Technical Field

[0001] This utility model relates to the field of motor testing technology, and in particular to a stator testing fixture for an internal rotor motor. Background Technology

[0002] Routine tests for motor stator testing systems include DC resistance, insulation resistance, inter-turn testing, withstand voltage testing, and motor rotation direction testing. These tests help determine if the motor stator meets design specifications and can promptly identify any potential problems or defects. However, for stator testing of internal rotor motors, poor contact issues can easily arise during the wiring and positioning of the stator before testing, leading to a higher maintenance frequency for the testing system and impacting testing efficiency. Utility Model Content

[0003] The purpose of this utility model is to provide a testing fixture for the stator of an internal rotor motor, which can improve the positioning capability of the internal rotor motor stator during testing, and improve wiring efficiency and testing efficiency.

[0004] To achieve the above-mentioned utility model objectives, this utility model provides a stator testing fixture for an internal rotor motor, including a testing machine, guide rails, a moving frame, induction components, a material placement assembly, and a wiring assembly;

[0005] The guide rail is connected to the frame of the testing machine. The movable frame is provided with a connection hole, and the movable frame is connected to the guide rail through the connection hole. Both sides of the movable frame are provided with sensing plates, and both sides of the guide rail are provided with sensing elements. The positions of the sensing plates and the positions of the sensing elements are adapted to each other.

[0006] The testing platform of the testing machine is horizontally provided with two material placement assemblies and two wiring assemblies. The material placement assembly includes a material placement base, a plug, a connecting wire, and a fastening screw. The material placement base is an insulating base. The plug is inclinedly set on the testing platform through the material placement base. The connecting wire is located on the top surface of the plug. The material placement base is detachably connected to the testing platform through the fastening screw.

[0007] The wiring assembly includes a wiring board, several wiring clips, several wiring frames, and a spring. A wiring module is provided inside the wiring frame. One end of each of the several wiring clips is arranged on the wiring board via the spring. The middle of each of the several wiring clips is hinged to the wiring frame. Each wiring clip has a connector, and the connector faces the wiring module.

[0008] Preferably, the end of the guide rail is provided with a limiting block.

[0009] As a further improvement to the utility model, the movable frame is equipped with a protective cover, which is located above the material placement assembly.

[0010] Further, the protective cover is a transparent cover.

[0011] As a further improvement of the utility model, the wiring clip and the wiring frame are made of insulating material.

[0012] As a further improvement of the utility model, the spring is a conical spring.

[0013] As a further improvement of the utility model, the cross section of the insertion rod is semicircular.

[0014] The utility model discloses a kind of inner rotor motor stator test tool, stator is inserted in the insertion rod of one of the material placing seat, and the connecting wire on insertion rod is electrically connected with test machine;One end of test cable is connected with the wiring module of corresponding required test item by wiring clip, wiring module is electrically connected with test machine, and the other end of test cable is connected with stator;After stator is connected with connecting wire and wiring module, mobile frame is moved to corresponding position, and make the corresponding inductive plate of mobile frame move to the sensing position of sensing piece, sensing piece can be existing photoelectric sensor, the light signal sensed is converted into electric signal, and is transmitted to test machine, so that test machine tests the stator on this material placing seat;Two material placing seats on stator can be tested by moving mobile frame, reduce the waiting time of connection.

[0015] The utility model discloses a kind of inner rotor motor stator test tool compared with prior art has the advantages of:

[0016] (1) by setting two groups of test stations, back and forth mobile frame, in turn, two groups of test stations are tested, reduce the waiting time of connection;

[0017] (2) wiring assembly can meet the demand of multiple test items, facilitate the corresponding test port connection of stator and test machine;

[0018] (3) insertion rod is inclined to set, reduce the gap between insertion rod and stator to some extent, ensure that connecting wire and stator are always kept connected. DRAWINGS

[0019] Figure 1 It is a kind of inner rotor motor stator test tool structure schematic view of the utility model;

[0020] Figure 2 It is sensing piece position schematic view;

[0021] Figure 3 It is material placing assembly structure schematic view;

[0022] Figure 4 It is wiring assembly structure schematic view;

[0023] Figure 5A wiring structure schematic diagram for the wiring assembly. DETAILED DESCRIPTION

[0024] The specific embodiments of the utility model will be further described in detail below in combination with the drawings.

[0025] As Figures 1-2 shown, the utility model discloses a inner rotor motor stator test tool, including test machine table 1, guide rail 2, moving frame 3, inductive piece 4, material placing assembly 5 and wiring assembly 6;

[0026] Guide rail 2 is connected on the frame 1 of test machine table 1, and moving frame 3 is provided with connecting hole 31, and moving frame 3 is connected with guide rail 2 through connecting hole 31;Both sides of moving frame 3 are provided with inductive plate 33, and both sides of guide rail 2 are provided with inductive piece 4, and the setting position of inductive plate 33 is adapted to the setting position of inductive piece 4;

[0027] Two material placing assemblies 5 and two wiring assemblies 6 are horizontally arranged on the test platform of test machine table 1, as Figure 3 Shown, material placing assembly 5 includes material placing seat 51, plug rod 52, connecting wire 53 and fastening screw 54, material placing seat 51 is insulating seat, avoids the interference to test, also strengthens test safety, and plug rod 52 is obliquely arranged on the test platform through material placing seat 51;Connecting wire 53 is located on the top surface of plug rod 52, and material placing seat 51 is detachably connected on the test platform through fastening screw 54, which facilitates the replacement of different sizes of material placing seat 51 to meet the material placing demand of different sizes of stator.

[0028] The oblique arrangement of plug rod 52 has the advantage that the gravity of the stator itself can be utilized to reduce the gap between the arc surface of plug rod 52 and the inner wall of the stator, so that the inner wall of the stator is more closely attached to the connecting wire 53, reducing the possibility of poor contact between the stator and the connecting wire 53.

[0029] The cross section of plug rod 52 is preferably a semicircle, compared to the conventional cylindrical structure of plug rod 52, the cross section of plug rod 52 is a semicircular structure, which can utilize the space between plug rod 52 and the stator to quickly unload the stator from plug rod 52.

[0030] As Figures 4-5 Shown, wiring assembly 6 includes wiring board 61, a plurality of wiring clips 62, a plurality of wiring frames 63 and springs 64, wiring frame 63 is provided with wiring module 631, one end of a plurality of wiring clips 62 is arranged on wiring board 61 through spring 64, the middle part of a plurality of wiring clips 62 is hinged with wiring frame 63, wiring clip 62 is provided with connecting head 621, and connecting head 621 faces wiring module 631.

[0031] The utility model discloses a inner rotor motor stator test tool, and the stator is inserted on the plug rod 52 of one of the material placing seat 51, and the connecting wire 53 on the plug rod 52 is electrically connected with the test machine table 1, one end of the test cable 7 is connected with the wiring module 631 of the corresponding required test item through the binding post 62, the wiring module 631 is electrically connected with the test machine table 1, and the other end of the test cable 7 is connected with the stator, after the stator is connected with the connecting wire 53 and the wiring module 631, the movable frame 3 is moved to the corresponding position, and the movable frame 3 corresponding induction plate 33 is moved to the induction position of the induction piece 4, the induction piece 4 can be the existing photoelectric sensor, and the sensed light signal is converted into electric signal and is transmitted to the test machine table 1, so that the test machine table 1 tests the stator on the material placing seat 51, and the stator on the two material placing seats 51 can be tested respectively by moving the movable frame 3, and the waiting time of connection is reduced.

[0032] The end of the guide rail 2 is provided with a limiting block 21, the limiting block 21 can limit the moving stroke of the movable frame 3 on the guide rail 2, so that the induction plate 33 can quickly reach the induction position of the induction piece 4 after the movable frame 3 moves back and forth.

[0033] The movable frame 3 is provided with a protective cover 32, and the protective cover 32 is located above the material placing assembly 5. When the stator is tested, the protective cover 32 can play a protective role to avoid the danger caused by high pressure. The protective cover 32 is preferably a transparent cover body, which facilitates the operator to observe the stator state in real time through the transparent cover body.

[0034] The wiring assembly 6 can satisfy the electrical connection of multiple test requirements, different test ports of each wiring module 631 are connected with the test machine table 1, and the wiring module 631 of different positions can be selected according to the requirement. The end of the binding post 62 is pressed, and the test cable 7 is clamped between the target wiring module 631 and the connecting head 621, so that the test cable 7 is electrically connected with the test machine table 1. The binding post 62 and the wiring frame 63 are preferably made of insulating materials to avoid affecting the test result and the operation safety.

[0035] The spring 64 clamps the wiring of the binding post 62, and the spring 64 is preferably a pagoda-shaped spring, which improves the service life of the spring and avoids the spring 64 loosening after high-frequency use, so that the test cable 7 is not connected well and the test result is affected.

[0036] The above has carried out the specific description to the preferred embodiment of the utility model, but the utility model is not limited to the embodiment, and the skilled person in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the application.

Claims

1. A stator testing fixture for an internal rotor motor, characterized in that, This includes the testing machine, guide rails, moving frame, sensors, material placement assembly, and wiring assembly; The guide rail is connected to the frame of the testing machine. The movable frame is provided with a connection hole, and the movable frame is connected to the guide rail through the connection hole. Both sides of the movable frame are provided with sensing plates, and both sides of the guide rail are provided with sensing elements. The positions of the sensing plates and the positions of the sensing elements are adapted to each other. The testing platform of the testing machine is horizontally provided with two material placement assemblies and two wiring assemblies. The material placement assembly includes a material placement base, a plug, a connecting wire, and a fastening screw. The material placement base is an insulating base. The plug is inclinedly set on the testing platform through the material placement base. The connecting wire is located on the top surface of the plug. The material placement base is detachably connected to the testing platform through the fastening screw. The wiring assembly includes a wiring board, several wiring clips, several wiring frames, and a spring. A wiring module is provided inside the wiring frame. One end of each of the several wiring clips is arranged on the wiring board via the spring. The middle of each of the several wiring clips is hinged to the wiring frame. Each wiring clip has a connector, and the connector faces the wiring module.

2. The stator testing fixture for an internal rotor motor as described in claim 1, characterized in that, The guide rail is provided with a limiting block at its end.

3. The stator testing fixture for an internal rotor motor as described in claim 1, characterized in that, The movable frame is equipped with a protective cover, which is located above the material placement assembly.

4. The stator testing fixture for an internal rotor motor as described in claim 3, characterized in that, The protective cover is a transparent cover.

5. The stator testing fixture for an internal rotor motor as described in claim 1, characterized in that, The terminal clamp and the terminal frame are made of insulating material.

6. The stator testing fixture for an internal rotor motor as described in claim 1, characterized in that, The spring is a pagoda-type spring.

7. The stator testing fixture for an internal rotor motor as described in claim 1, characterized in that, The cross-section of the insertion rod is semi-circular.

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