Stator detection device and stator detection equipment

Abstract

The invention belongs to the technical field of stator testing, and discloses a stator detection device and stator detection equipment. The stator detection device comprises a chassis assembly, a lifting assembly and a detection assembly. The base plate assembly comprises a sealing base plate, the sealing base plate is used for placing a shell to be detected and a stator, the sealing base plate can seal the bottom opening, the sealing base plate comprises a liquid inlet hole and a liquid outlet hole, and the liquid inlet hole and the liquid outlet hole can be communicated with the interior of the shell. The lifting assembly comprises a first driving part and a pressing part, the pressing part is located above the sealing chassis in the first direction, the first driving part drives the pressing part to move in the first direction, and the pressing part can press the top face of the shell and seal the top opening. The detection assembly comprises a movable probe, and the probe can abut against or be away from the shell. According to the stator detection device, the stator can be placed in a liquid environment for electrical performance detection, the detection environment is closer to the actual use scene of the stator, and the detection stability and accuracy are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of stator testing, and in particular to a stator testing device and a stator testing equipment. Background Art

[0002] A motor is an electromagnetic device that converts or transmits electric energy according to the law of electromagnetic induction. It is usually composed of a stator and a rotor. The stator is an important component of the motor, mainly consisting of three parts: the stator core, the stator winding, and the frame. Its main function is to generate a rotating magnetic field so that the rotor is cut by the magnetic lines of force, thereby generating current. Its performance directly affects the working efficiency and service life of the motor. Therefore, strict performance testing of the motor stator is a prerequisite for ensuring the quality and safe operation of the motor.

[0003] Normally, when testing the electrical performance of the stator, wiring is performed directly outside the housing, and the space between the housing and the stator is filled only with air. The humidity of the air and dust in the air will affect the accuracy of the stator testing, and there are subtle hidden dangers that are difficult to identify.

[0004] Therefore, there is an urgent need for a stator detection device and a stator detection equipment to solve the above problems. Summary of the invention

[0005] One object of the present invention is to provide a stator detection device, which can inject filling liquid into the shell so that the stator can be tested for performance in a liquid environment. The detection environment is closer to the use scenario of the stator, thereby improving the stability of the stator detection process and the accuracy of the detection results.

[0006] To achieve this object, the present invention adopts the following technical solutions:

[0007] A stator detection device is used to detect the electrical performance of a stator, wherein the stator is placed in a housing, and the housing is provided with a top opening and a bottom opening, comprising:

[0008] A chassis assembly, the chassis assembly comprising a sealed chassis, the sealed chassis being used to place the housing to be detected and the stator, the sealed chassis being capable of sealing the bottom opening, the sealed chassis comprising a liquid inlet and a liquid outlet, both of which being capable of communicating with the interior of the housing;

[0009] A lifting assembly, the lifting assembly comprising a first driving member and a pressing member, the pressing member being located above the sealing chassis in a first direction, the first driving member driving the pressing member to move in the first direction, the pressing member being able to press the top surface of the shell and seal the top opening;

[0010] The detection component includes a movable probe, and the probe can abut against or be away from the housing.

[0011] As an optional solution of the stator detection device, the sealing chassis includes a positioning groove, the shape of the positioning groove matches the shape of the shell, and the bottom of the shell can be limited in the positioning groove.

[0012] As an optional solution of the stator detection device, the chassis assembly further includes a sliding mechanism, the sealed chassis is connected to the sliding mechanism, and the sliding mechanism can move along a second direction, which is perpendicular to the first direction.

[0013] As an optional solution of the stator detection device, the sliding mechanism includes a slide rail and a movable chassis, the movable chassis is slidably connected to the slide rail along the second direction, and the sealing chassis is fixed to the movable chassis.

[0014] As an optional solution of the stator detection device, the lifting assembly further includes a guide member, the guide member extends along the first direction, and the pressing member is slidably connected to the guide member.

[0015] As an optional solution of the stator detection device, the stator detection device also includes a sealing mechanism, which includes a sealing member and a second driving member, the second driving member drives the sealing member to abut against or move away from the side wall of the shell, and the sealing member can close the opening on the shell.

[0016] Another object of the present invention is to provide a stator detection device that can perform stator performance detection in a liquid environment, improve the electrical safety performance of the stator, and avoid product defects.

[0017] To achieve this object, the present invention adopts the following technical solutions:

[0018] A stator detection device comprises a frame, a feeding device and the above-mentioned stator detection device, wherein the stator detection device is arranged on the frame, and the feeding device is arranged on one side of the frame.

[0019] As an optional solution of the stator detection equipment, the stator detection equipment includes a plurality of the stator detection devices, and the plurality of the stator detection devices are arranged in parallel on the frame.

[0020] As an optional solution of the stator detection device, the stator detection device further includes a feeding device, which is arranged at one side of the loading device, and the housing and the stator to be detected are placed on the feeding device.

[0021] As an optional solution of the stator detection device, the stator detection device further includes a liquid supply device, the liquid supply device includes a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe is connected to the liquid inlet hole, and the liquid outlet pipe is connected to the liquid outlet hole.

[0022] Beneficial effects of the present invention:

[0023] The present invention provides a stator detection device, wherein the stator is located in a shell, the shell and the stator are placed on a sealed chassis, and a first driving member drives a pressing member to press the shell, so that the top opening of the shell is closed by the pressing member, and the bottom opening of the shell is sealed by the sealed chassis. After the shell is sealed, a filling liquid is injected into the shell through a liquid inlet hole, and after the filling is full, the probe is moved to abut against the shell, and the product can be tested for related electrical items. After the test is completed, the probe is moved away from the shell, the filling liquid in the shell is emptied through a liquid outlet, and the pressing member is driven away from the shell, and the next set of shell and stator tests can be replaced. The stator detection device can place the stator in a liquid environment for electrical performance testing, fully simulate the real operating environment of the stator, so that when performing electrical project testing, it is closer to the actual use scenario of the stator, which is conducive to improving the electrical safety performance of the product, eliminating the interference of air on the test results, improving the stability and accuracy of the stator performance test, and avoiding the detection of early defects in the subsequent process after the product is assembled to the finished product state.

[0024] The present invention also proposes a stator detection device, comprising a frame, a feeding device and the above-mentioned stator detection device, wherein the stator detection device is placed on the frame to ensure the stability of the stator detection device, and the feeding device is located on one side of the frame to facilitate loading and unloading of the housing and the stator onto the stator detection device. The stator detection device can perform stator performance testing in a liquid environment, improve the electrical safety performance of the stator, avoid product defects, facilitate operation, and help reduce labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a first structural schematic diagram of the stator detection device provided by the present invention;

[0026] Figure 2 It is a structural schematic diagram of a sealed chassis and a movable chassis of a stator detection device provided by the present invention;

[0027] Figure 3 is a second structural schematic diagram of the stator detection device provided by the present invention;

[0028] Figure 4 It is a partial structural schematic diagram of the stator detection device provided by the present invention;

[0029] Figure 5 It is a structural schematic diagram of the stator detection equipment provided by the present invention.

[0030] In the figure:

[0031] 1. chassis assembly; 11. sealed chassis; 111. liquid inlet hole; 112. liquid outlet hole; 113. positioning groove; 12. sliding mechanism; 121. slide rail; 122. mobile chassis; 123. limiter;

[0032] 2. Lifting assembly; 21. First driving member; 22. Pressing member; 23. Guide member; 24. Lifting plate; 25. Fixing plate;

[0033] 3. Detection component; 31. Probe; 32. Mounting seat;

[0034] 4. Sealing mechanism; 41. Sealing member; 42. Second driving member;

[0035] 5. Workbench;

[0036] 100, frame; 200, feeding device;

[0037] 300. feeding device; 301. feeding track; 302. tray;

[0038] 400. Liquid supply device; 500. Shell. DETAILED DESCRIPTION

[0039] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0040] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0042] In the description of this embodiment, the terms "upper", "lower", "right", etc., directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0043] like Figures 1 to 3 As shown, the stator detection device of this embodiment is used to detect the electrical performance of the stator. The stator is placed in a shell 500. The shell 500 is provided with a top opening and a bottom opening, and includes a chassis assembly 1, a lifting assembly 2 and a detection assembly 3. The chassis assembly 1 includes a sealed chassis 11. The sealed chassis 11 is used to place the shell 500 and the stator to be detected. The sealed chassis 11 can seal the bottom opening. The sealed chassis 11 includes a liquid inlet 111 and a liquid outlet 112. The liquid inlet 111 and the liquid outlet 112 can be connected to the inside of the shell 500. The lifting assembly 2 includes a first driving member 21 and a pressing member 22. The pressing member 22 is located above the sealed chassis 11 in a first direction. The first direction is Figure 1 In the X direction, the first driving member 21 drives the pressing member 22 to move in the first direction, and the pressing member 22 can press the top surface of the housing 500 and seal the top opening. The detection assembly 3 includes a movable probe 31, which can abut against or move away from the housing 500.

[0044] This embodiment provides a stator detection device, in which the stator is located in a shell 500, and the shell 500 and the stator are placed on a sealed chassis 11. The first driving member 21 drives the pressing member 22 to press the shell 500, so that the top opening of the shell 500 is closed by the pressing member 22, and the bottom opening of the shell 500 is sealed by the sealed chassis 11. After the shell 500 is sealed, the filling liquid is injected into the shell 500 through the liquid inlet hole 111. After it is filled, the probe 31 is moved to abut against the shell 500, and the relevant electrical items of the product can be tested. After the test is completed, the probe 31 is moved away from the shell 500, and the filling liquid in the shell 500 is emptied through the liquid outlet hole 112, and the pressing member 22 is driven away from the shell 500, and the next set of shell 500 and stator tests can be replaced. The stator detection device can place the stator in a liquid environment for electrical performance testing, fully simulating the actual operating environment of the stator, making the electrical project testing closer to the actual use scenario of the stator, which is beneficial to improving the electrical safety performance of the product, eliminating the interference of air on the test results, and improving the stability and accuracy of the stator performance test, avoiding the detection of early defects in the subsequent process after the product is assembled to the finished product state.

[0045] Furthermore, the lifting assembly 2 further includes a guide member 23, the guide member 23 extends along the first direction, and the pressing member 22 is slidably connected to the guide member 23. Specifically, two guide members 23 are provided, and the two guide members 23 are spaced apart in the third direction. Figure 1 In the middle Z direction, the third direction is perpendicular to the first direction, the chassis assembly 1 and the clamping member 22 are located between the two guide members 23, the lifting assembly 2 also includes a lifting plate 24 and a fixed plate 25, the lifting plate 24 is slidably connected to the two guide members 23, the clamping member 22 is connected below the lifting plate 24, the fixed plate 25 is fixedly connected to the top of the two guide members 23, the first driving member 21 is mounted on the fixed plate 25, and the first driving member 21 is connected to the lifting plate 24 by power. Such an arrangement can ensure the stability of the first driving member 21 and the smooth movement of the clamping member 22. Optionally, the guide member 23 can be set as a guide column structure, and the first driving member 21 can be set to use a direct-acting cylinder, a hydraulic cylinder, etc.

[0046] It should be noted that, in order to ensure that the top opening can be sealed after the pressing member 22 presses the housing 500, the pressing member 22 is usually made of a flexible material to achieve good sealing. Optionally, the pressing member 22 can be made of rubber, plastic, silicone and other materials, which have mature technology and low cost.

[0047] Furthermore, a positioning groove 113 is further provided on the upper surface of the sealing chassis 11, and the shape of the positioning groove 113 matches the shape of the housing 500. The bottom of the housing 500 can be limited in the positioning groove 113, which is convenient for positioning the housing 500 during loading. Optionally, a sealing material layer is provided in the positioning groove 113, which can be sealed and connected to the bottom opening, thereby improving the sealing effect of the sealing chassis 11 and the housing 500.

[0048] Furthermore, the chassis assembly 1 further comprises a sliding mechanism 12, the sealed chassis 11 is connected to the sliding mechanism 12, and the sliding mechanism 12 can move along a second direction, the second direction being Figure 1 In the middle Y direction, the first direction, the second direction and the third direction are perpendicular to each other. By moving the sealing chassis 11 in the second direction, the sealing chassis 11 and the pressing member 22 can be staggered in the first direction during loading and unloading, so as to avoid interference of the pressing member 22 on the loading and unloading path, reduce bumps and scratches of the shell 500 during loading and unloading, and ensure a good appearance of the product.

[0049] Specifically, the sliding mechanism 12 includes a slide rail 121 and a moving chassis 122. The moving chassis 122 is connected to the slide rail 121 by sliding along the second direction. The sealing chassis 11 is fixed to the moving chassis 122. The structure is simple and easy to operate. Optionally, the sliding mechanism 12 also includes a stopper 123. The stopper 123 is located at one end of the slide rail 121. When the moving chassis 122 moves to one end of the slide rail 121 close to the stopper 123, it can abut against the stopper 123 to prevent the moving chassis 122 from falling off the slide rail 121.

[0050] Furthermore, the stator detection device also includes a workbench 5, and the chassis assembly 1, the lifting assembly 2 and the detection assembly 3 are all arranged on the workbench 5 and on one side of the chassis assembly 1. The detection assembly 3 also includes a third driving member and a mounting seat 32, and the mounting seat 32 is fixed on the workbench 5. The third driving member and the probe 31 are installed on the mounting seat 32, and the third driving member can drive the probe 31 to abut against or away from the shell 500.

[0051] In actual production, the shell 500 is not only provided with a top opening and a bottom opening, but other openings are also usually provided on the side wall. In order to ensure the sealing when the stator detection device is used, the stator detection device also includes a sealing mechanism 4. The sealing mechanism 4 includes a sealing member 41 and a second driving member 42. The second driving member 42 drives the sealing member 41 to abut against or away from the side wall of the shell. The sealing member 41 can close the opening on the shell to ensure the sealing of the shell 500.

[0052] When using the stator detection device proposed in this embodiment, first place the housing 500 in the positioning groove 113, control the first driving member 21 to move the pressing member 22 downward, so that the pressing member 22 presses the housing 500, and then start the second driving member 42 to seal the opening on the side wall of the housing 500 to ensure the sealing of the housing 500, fill the housing 500 with filling liquid through the liquid inlet hole 111, so that the stator is in the filling liquid, drive the third driving member so that the probe abuts against the housing 500 to start measurement. After the measurement is completed, the filling liquid in the housing 500 is discharged through the liquid outlet hole 112, and the first driving member 21, the second driving member 42 and the third driving member are driven so that the pressing member 22, the sealing member 41 and the probe 31 are away from the housing 500, and the next housing 500 and stator detection can be replaced.

[0053] like Figures 4 to 5 As shown, this embodiment also proposes a stator detection device, including a frame 100, a feeding device 200 and the above-mentioned stator detection device. The stator detection device is arranged on the frame 100 to ensure the stability of the stator detection device. The feeding device 200 is arranged on one side of the frame 100. Specifically, the feeding device 200 is located on one side of the frame 100 in the second direction, and when the movable chassis 122 and the clamping member 22 are moved away from the misalignment, they can be close to the feeding device 200, which is convenient for loading and unloading the housing 500 and the stator onto the stator detection device. The stator detection device can perform stator performance detection in a liquid environment, improve the electrical safety performance of the stator, avoid product defects, facilitate operation, and help reduce labor intensity. In this embodiment, the feeding device 200 is a feeding manipulator with high flexibility and accuracy.

[0054] Preferably, the stator detection device may include a plurality of stator detection devices. Specifically, the plurality of stator detection devices are arranged in parallel along the third direction on the frame 100, so that the feeding device 200 can feed the plurality of stator detection devices in sequence, thereby reducing the intermittent time of the feeding device 200 and improving the efficiency of the production line. In this embodiment, two stator detection devices are provided, which can improve the production efficiency and control the range of motion of the feeding device 200, thereby reducing the motion time during feeding.

[0055] Furthermore, the stator detection equipment also includes a feeding device 300, which is arranged on one side of the loading device 200. In the present embodiment, the feeding device 300 is located on the same side of the frame 100 and the loading device 200 in the third direction. The shell and stator to be detected are placed on the feeding device 300 for feeding the loading device 200.

[0056] Specifically, the feeding device 300 includes a feeding track 301 and a tray 302. The feeding track 301 extends along the second direction. The tray 302 is placed on the feeding track 301. The shell and stator to be inspected are placed on the tray 302. The loading device 200 can directly pick up the shell 500 and the stator on the tray, thereby improving the convenience of the stator inspection equipment.

[0057] Furthermore, the stator detection device further includes a liquid supply device 400, which includes a liquid inlet pipe and a liquid outlet pipe, wherein the liquid inlet pipe is connected to the liquid inlet hole 111, and the liquid outlet pipe is connected to the liquid outlet hole 112. The liquid supply device 400 can mix the filling liquid and transport the filling liquid from the liquid inlet pipe to the liquid inlet hole 111, and fill the filling liquid into the housing 500 through the liquid inlet hole 111. After the detection is completed, the liquid supply device 400 uses an internal vacuum pump to draw the filling liquid inside the housing 500 back to the liquid outlet pipe through the liquid outlet hole 112, and the filling liquid is filtered, separated, and stored inside the liquid supply device 400, waiting for mixing and filling again.

[0058] Optionally, the stator detection device further includes a protective net, which is at least arranged around the frame 100, the loading device 200 and the feeding device 300 to improve the safety of the stator detection device.

[0059] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the embodiments here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A stator detection device for detecting the electrical performance of a stator, wherein the stator is placed in a housing, and the housing is provided with a top opening and a bottom opening, wherein: include: A chassis assembly (1), the chassis assembly (1) comprising a sealed chassis (11), the sealed chassis (11) being used to place the housing and the stator to be detected, the sealed chassis (11) being capable of sealing the bottom opening, the sealed chassis (11) comprising a liquid inlet (111) and a liquid outlet (112), the liquid inlet (111) and the liquid outlet (112) both being capable of communicating with the interior of the housing; A lifting assembly (2), the lifting assembly (2) comprising a first driving member (21) and a pressing member (22), the pressing member (22) being located above the sealing bottom plate (11) in a first direction, the first driving member (21) driving the pressing member (22) to move in the first direction, the pressing member (22) being able to press the top surface of the shell and seal the top opening; A detection component (3), wherein the detection component (3) comprises a movable probe (31), wherein the probe (31) can abut against or move away from the housing.

2. The stator detection device according to claim 1, characterized in that: The sealed chassis (11) comprises a positioning groove (113), the shape of the positioning groove (113) matches the shape of the shell, and the bottom of the shell can be confined in the positioning groove (113).

3. The stator detection device according to claim 1, characterized in that: The chassis assembly (1) further comprises a sliding mechanism (12), the sealed chassis (11) being connected to the sliding mechanism (12), and the sliding mechanism (12) being capable of moving along a second direction, the second direction being perpendicular to the first direction.

4. The stator detection device according to claim 3, characterized in that: The sliding mechanism (12) comprises a sliding rail (121) and a movable chassis (122); the movable chassis (122) is slidably connected to the sliding rail (121) along the second direction; and the sealing chassis (11) is fixed to the movable chassis (122).

5. The stator detection device according to claim 1, characterized in that: The lifting assembly (2) further comprises a guide member (23), wherein the guide member (23) extends along the first direction, and the pressing member (22) is slidably connected to the guide member (23).

6. The stator detection device according to claim 1, characterized in that: The stator detection device further comprises a sealing mechanism (4), wherein the sealing mechanism (4) comprises a sealing member (41) and a second driving member (42), wherein the second driving member (42) drives the sealing member (41) to abut against or move away from a side wall of the shell, and the sealing member (41) is capable of closing an opening on the shell.

7. A stator detection device, characterized in that: It comprises a frame (100), a feeding device (200) and a stator detection device according to any one of claims 1 to 6, wherein the stator detection device is arranged on the frame (100), and the feeding device (200) is arranged on one side of the frame (100).

8. The stator detection device according to claim 7, characterized in that: The stator detection equipment comprises a plurality of stator detection devices, and the plurality of stator detection devices are arranged in parallel on the frame (100).

9. The stator detection device according to claim 7, characterized in that: The stator detection device further comprises a feeding device (300), wherein the feeding device (300) is arranged on one side of the loading device (200), and the housing and the stator to be detected are placed on the feeding device (300).

10. The stator detection device according to claim 7, characterized in that: The stator detection device further comprises a liquid supply device (400), wherein the liquid supply device (400) comprises a liquid inlet pipe and a liquid outlet pipe, wherein the liquid inlet pipe is connected to the liquid inlet hole (111), and the liquid outlet pipe is connected to the liquid outlet hole (112).

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