New energy automobile research and development motor test board
By designing a new energy vehicle motor test desk including displacement components, motor fixed components, load components, and test components, the problem of difficulty simulating complex operating conditions for traditional test desks has been solved, and efficient and accurate motor testing is achieved.
Patent Information
- Application Number
- CN202420608662.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-27
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-03-27
AI Technical Summary
Traditional motor test benches are difficult to accurately simulate the complex conditions of the motor during actual operation, such as variable load and temperature changes, which affect the accuracy and reliability of the test. In addition, the accuracy and response speed of load simulation during the test are insufficient, so it is impossible to fully simulate the motor. Performance under various load and speed conditions.
A new energy vehicle R & D motor testing table is designed, including workbench, displacement component, motor fixed component, load components and test components. The displacement components and motor fixed components improve the installation and fixed flexibility of the motor. The load components simulate various load conditions through the U -shaped electromagnet and metal disc. The test components include high -precision torque and speed sensor.
The motor testing effect with convenient operation, accurate load simulation, and high test accuracy has improved the efficiency and quality of motor research and development, and reduced test costs.
Smart Images
Figure CN222420282U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of new energy vehicles, in particular to a motor test bench for the research and development of new energy vehicles. Background Art
[0002] One of the core components of new energy vehicles is its drive motor, whose performance directly affects the power, economy and reliability of the vehicle. Therefore, in the research and development stage of new energy vehicles, the testing and evaluation of the motor is particularly critical.
[0003] Traditional test benches have limitations in simulating actual working conditions and it is difficult to accurately simulate the complex conditions of motors in actual operation, such as variable loads, temperature changes, etc. These limitations not only affect the accuracy and reliability of the test, but also bring additional time and cost pressure to the research and development of motors.
[0004] Although existing motor testing technology can evaluate motor performance to a certain extent, there is still room for improvement. For example, the way the motor is fixed during the test may not be flexible enough, which requires tedious disassembly and installation operations when switching between different motors. At the same time, the accuracy and response speed of load simulation during the test may be insufficient, and it is impossible to fully simulate the performance of the motor under various load and speed conditions, which limits the application value of the test results.
[0005] In view of these problems, the development of a new motor test bench with wide applicability, high flexibility and the ability to accurately simulate the actual working conditions of the motor is of great significance for the research and development of new energy vehicle motors. The new test bench should be able to quickly adapt to the testing of motors of different models, provide accurate load simulation, and be able to conveniently record and analyze test data, thereby effectively improving the efficiency and quality of motor research and development. Utility Model Content
[0006] In view of the above-mentioned deficiencies existing in the prior art, the purpose of the utility model is to provide a motor test bench which is easy to operate, can simulate the operation of the motor under various load conditions, and has high test accuracy.
[0007] The technical solution adopted by the utility model to achieve the above-mentioned purpose is: a new energy vehicle research and development motor test bench, including a workbench, a displacement component, a motor fixing component, a load component, and a test component, wherein the workbench is the basic component of the test bench, providing a stable platform and installing and supporting other components, a displacement component is fixedly connected to one side of the upper end of the workbench, which is used to adjust the position of the motor, facilitate the connection between the rotating shaft of the motor and the transmission rod, and realize load and test through the transmission rod, a motor fixing component is fixedly connected to the upper end of the displacement component, which is used for relative installation and fixation of the motor to be tested, and the motor to be tested is fixedly installed in the motor fixing component, a base is fixedly connected to the other side of the upper end of the workbench, and a plurality of mounting frames are installed on the upper end of the base for fixing the test component and the load component, and the test component and the load component are respectively fixed on the mounting frames, wherein the test component is used to test the performance parameters of the motor, such as torque, speed, etc., and the load component is used to provide a load simulating actual working conditions to test the performance of the motor under load conditions.
[0008] In one embodiment, the displacement assembly includes a slide plate, a driving block, a sliding guide block, a driving screw rod, and a driving motor. The slide plate is fixedly connected to the workbench, and one end of the base is connected to the slide plate. A driving groove is opened in the middle of the upper end of the slide plate, and a driving screw rod is rotatably connected in the driving groove. One side of the driving screw rod passes through the slide plate and is connected to the driving motor. The driving motor is fixedly connected to one end of the slide plate, and a driving block is threadedly connected to the driving screw rod. The driving block is slidably connected in the driving groove. Sliding guide grooves are respectively opened on the slide plates on both sides of the driving groove, and sliding guide blocks are respectively slidably connected in the sliding guide grooves, and the sliding guide block and the driving block are both connected to the motor fixed assembly.
[0009] In one embodiment, the motor fixing assembly includes an outer frame, a limit plate, a threaded rod, a handle, and a guide block. The outer frame is a box structure, and the upper end and one side of the box structure are open. The lower end of the outer frame is fixedly connected to the driving block and the sliding guide block respectively. Two groups of symmetrical limit plates are movably connected in the outer frame. Limiting grooves are respectively provided on opposite sides of the limit plates. Both sides of the motor to be tested are respectively engaged with the limit grooves. Two groups of guide blocks are fixedly connected to the lower end of the limit plate. Guide grooves are provided at the bottom of the outer frame. The guide blocks are respectively slidably connected in the guide grooves. The separated sides of the limit plate are respectively rotatably connected with threaded rods. Threaded holes are provided on both sides of the outer frame. The threaded rods are respectively threadedly connected in the threaded holes. One end of the threaded rod passes through the threaded hole and is fixedly connected to the handle.
[0010] In one embodiment, the load assembly includes a first mounting frame, an annular frame, a U-shaped electromagnet, and a metal disc. The first mounting frame is fixedly connected to the upper end of the base, and the annular frame is fixedly connected inside the first mounting frame. The inner ring of the annular frame is respectively embedded with a plurality of U-shaped electromagnets. The center of the inner ring of the annular frame is rotatably connected with a metal disc, and the edges of the metal disc are respectively arranged in the U-shaped grooves of the U-shaped electromagnet.
[0011] In one of the embodiments, a second mounting frame is fixedly connected to the base on the right side of the load component, a first bearing is fixedly connected to the upper end of the second mounting frame, a third mounting frame is fixedly connected to the base on the left side of the load component, a second bearing is fixedly connected to the third mounting frame, a transmission rod is inserted and connected inside the first bearing and the second bearing, the metal disc is fixedly connected to the transmission rod, a torque sensor is connected to the transmission rod between the second bearing and the metal disc, and both sides of the torque sensor are fixedly connected to the third mounting frame.
[0012] In one of the embodiments, a support plate is fixedly connected to the slide plate on one side of the base, one end of the transmission rod is rotatably connected to the support plate, and the transmission rod passes through the support plate and is connected to the rotating shaft of the motor to be tested through a coupling, and a fourth mounting bracket is fixedly connected to the base on the other side of the support plate, and a speed sensor is fixedly connected to the fourth mounting bracket, and the speed sensor is connected through the transmission rod.
[0013] Beneficial effects of the utility model:
[0014] Convenient operation: The utility model motor test bench can quickly install and fix the motor to be tested through the design of adjustable motor fixing components and displacement components, thereby improving the test efficiency;
[0015] Ability to simulate actual working conditions: With advanced load simulation components, such as U-shaped electromagnets and metal discs, this test bench can more accurately simulate various load conditions when the motor is running. This improvement in simulation capability makes the test results of the motor closer to the actual use status, which helps engineers better evaluate and improve the performance of the motor;
[0016] Accuracy and repeatability: The test kit includes high-precision torque and speed sensors that can accurately measure motor performance parameters such as torque, speed and efficiency. The accurate measurement of these data provides a reliable basis for motor optimization while ensuring the repeatability and consistency of test results;
[0017] In summary, the motor test bench of the utility model provides an efficient, accurate and cost-effective solution, which is of great significance for accelerating the research and development and optimization of new energy vehicle motors. These beneficial effects not only improve the technical level of motor testing, but also contribute important technical support to the development of the new energy vehicle industry. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the displacement assembly of the utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the motor fixing assembly of the utility model;
[0021] Figure 4 This is a schematic diagram of the structure of the load component of the utility model.
[0022] In the figure: 1 workbench, 2 displacement assembly, 3 motor fixing assembly, 4 load assembly, 5 base, 101 slide plate, 102 drive block, 103 slide guide block, 104 drive screw, 105 drive motor, 106 drive groove, 107 slide guide groove, 201 outer frame, 202 limit plate, 203 threaded rod, 204 handle, 205 guide block, 206 guide groove, 301 first mounting frame, 302 annular frame, 303 U-shaped electromagnet, 304 metal disc, 401 second mounting frame, 402 first bearing, 403 third mounting frame, 404 second bearing, 405 torque sensor, 406 transmission rod, 501 support plate, 502 coupling, 503 fourth mounting frame, 504 speed sensor. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1-4A motor test bench for the development of new energy vehicles includes a workbench 1, a displacement component 2, a motor fixing component 3, a load component 4, and a test component, wherein the workbench 1 is the basic component of the test bench, providing a stable platform and installing and supporting other components, a displacement component 2 is fixedly connected to one side of the upper end of the workbench 1, which is used to adjust the position of the motor, facilitate the connection between the motor's rotating shaft and the transmission rod 406, and realize load and testing through the transmission rod 406, a motor fixing component 3 is fixedly connected to the upper end of the displacement component 2, which is used for relative installation and fixation of the motor to be tested, and the motor to be tested is fixedly installed in the motor fixing component 3, a base 5 is fixedly connected to the other side of the upper end of the workbench 1, and a plurality of mounting frames are installed on the upper end of the base 5 for fixing the test component and the load component 4, and the test component and the load component 4 are respectively fixed on the mounting frames, wherein the test component is used to test the performance parameters of the motor, such as torque, speed, etc., and the load component 4 is used to provide a load simulating actual working conditions to test the performance of the motor under load conditions.
[0025] In one embodiment, the displacement assembly 2 includes a slide plate 101, a driving block 102, a sliding guide block 103, a driving screw 104, and a driving motor 105. The slide plate 101 is fixedly connected to the workbench 1, and one end of the base 5 is connected to the slide plate 101. A driving groove 106 is opened in the middle of the upper end of the slide plate 101, and the driving screw 104 is rotatably connected in the driving groove 106. One side of the driving screw 104 passes through the slide plate 101 and is connected to the driving motor 105. The driving motor 105 is fixedly connected to one end of the slide plate 101, and the driving block 102 is threadedly connected to the driving screw 104. The driving block 102 is slidably connected in the driving groove 106. Slide guide grooves 107 are respectively provided on the slide plate 101 on both sides of the driving groove 106, and slide guide blocks 103 are respectively slidably connected in the slide guide grooves 107. The slide guide blocks 103 and the driving blocks 102 are both connected to the motor fixing assembly 3. In specific operations, the motor to be tested is first installed in the motor fixing assembly 3, and then the driving motor 105 is started. The driving motor 105 drives the driving screw 104 to rotate, and the driving screw 104 drives the driving block 102 to move toward the load assembly 4 and the test assembly, thereby facilitating the connection between the rotating shaft of the motor to be tested and the transmission rod 406. The cooperation between the slide guide block 103 and the slide guide groove 107 improves the transmission stability of the displacement assembly 2.
[0026] In one embodiment, the motor fixing assembly 3 includes an outer frame 201, a limit plate 202, a threaded rod 203, a handle 204, and a guide block 205. The outer frame 201 is a box structure, and the upper end and one side of the box structure are open. The lower end of the outer frame 201 is fixedly connected to the driving block 102 and the sliding guide block 103, respectively. Two sets of symmetrical limit plates 202 are movably connected in the outer frame 201. Limit grooves are respectively provided on opposite sides of the limit plates 202. The two sides of the motor to be tested are respectively engaged with the limit grooves. The lower end of the limit plate 202 is fixedly connected to two sets of guide blocks 205. The bottom of the outer frame 201 is opened There are guide grooves 206, and guide blocks 205 are slidably connected in the guide grooves 206 respectively. The separated sides of the limit plates 202 are rotatably connected with threaded rods 203 respectively. Threaded holes are opened on both sides of the outer frame 201, and the threaded rods 203 are respectively threadedly connected in the threaded holes. One end of the threaded rod 203 passes through the threaded holes and is fixedly connected to the handle 204. During the installation process, the motor to be tested is first placed in the outer frame 201, and then the threaded rod 203 is driven to rotate by rotating the handle 204. The threaded rod 203 drives the limit plate 202 to move in the direction of the motor to be tested, and the motor to be tested is clamped and fixed by two sets of relative limit plates 202.
[0027] In one embodiment, the load assembly 4 includes a first mounting frame 301, an annular frame 302, a U-shaped electromagnet 303, and a metal disc 304. The first mounting frame 301 is fixedly connected to the upper end of the base 5. The first mounting frame 301 is fixedly connected to the annular frame 302. The inner ring of the annular frame 302 is respectively embedded and connected with a plurality of U-shaped electromagnets 303. The inner ring of the annular frame 302 is rotatably connected with a metal disc 304. The edges of the metal disc 304 are respectively arranged in the U-shaped groove of the U-shaped electromagnet 303. When in use, the magnetic force of the U-shaped electromagnet 303 can be changed by controlling the current of the U-shaped electromagnet 303. At this time, the metal disc 304 will be subjected to magnetic resistance during the rotation process, which can simulate the mechanical system that the motor needs to drive in actual use. For example, by increasing the current, the magnetic force is enhanced, and the resistance of the metal disc 304 increases, simulating a larger load; and vice versa. This setting can be used to test the performance of the motor under different load conditions, such as speed, torque, and efficiency.
[0028] In one embodiment, a second mounting frame 401 is fixedly connected to the base 5 on the right side of the load component 4, a first bearing 402 is fixedly connected to the upper end of the second mounting frame 401, a third mounting frame 403 is fixedly connected to the base 5 on the left side of the load component 4, a second bearing 404 is fixedly connected to the third mounting frame 403, a transmission rod 406 is inserted and connected between the first bearing 402 and the second bearing 404, a metal disc 304 is fixedly connected to the transmission rod 406, a torque sensor 405 is connected to the transmission rod 406 between the second bearing 404 and the metal disc 304, and both sides of the torque sensor 405 are fixedly connected to the third mounting frame 403; A support plate 501 is fixedly connected, one end of a transmission rod 406 is rotatably connected to the support plate 501, and the transmission rod 406 passes through the support plate 501 and is transmission-connected to the rotating shaft of the motor to be tested through a coupling 502. A fourth mounting frame 503 is fixedly connected to the base 5 on the other side of the support plate 501, and a speed sensor 504 is fixedly connected to the fourth mounting frame 503, and the speed sensor 504 is connected to the transmission rod 406 through it. In this embodiment, the rotating shaft of the motor to be tested is connected to one end of the transmission rod 406 through the coupling 502, and then the torque and speed of the motor are tested under the load provided by the load component 4. By analyzing these data, the performance of the motor under different load conditions can be evaluated.
[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0030] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A motor test bench for developing new energy vehicles, comprising a workbench (1), a displacement assembly (2), a motor fixing assembly (3), a load assembly (4), and a test assembly, characterized in that: A displacement assembly (2) is fixedly connected to one side of the upper end of the workbench (1), a motor fixing assembly (3) is fixedly connected to the upper end of the displacement assembly (2), a motor to be tested is fixedly mounted inside the motor fixing assembly (3), a base (5) is fixedly connected to the other side of the upper end of the workbench (1), a plurality of mounting frames are mounted on the upper end of the base (5), and the test assembly and the load assembly (4) are respectively fixed on the mounting frames.
2. A new energy vehicle R&D motor test bench according to claim 1, characterized in that: The displacement assembly (2) comprises a slide plate (101), a driving block (102), a slide guide block (103), a driving screw rod (104), and a driving motor (105); the slide plate (101) is fixedly connected to the workbench (1), and one end of the base (5) is connected to the slide plate (101); a driving groove (106) is provided in the middle of the upper end of the slide plate (101); a driving screw rod (104) is rotatably connected in the driving groove (106); one side of the driving screw rod (104) passes through the slide plate (101) and is connected to the driving motor The driving motor (105) is connected to a motor (105), the driving motor (105) is fixedly connected to one end of the slide plate (101), the driving screw rod (104) is threadedly connected to a driving block (102), the driving block (102) is slidably connected in a driving groove (106), the slide plate (101) on both sides of the driving groove (106) is respectively provided with a sliding guide groove (107), the sliding guide groove (107) is respectively slidably connected to a sliding guide block (103), and the sliding guide block (103) and the driving block (102) are both connected to the motor fixing component (3).
3. A new energy vehicle R&D motor test bench according to claim 2, characterized in that: The motor fixing assembly (3) comprises an outer frame (201), a limit plate (202), a threaded rod (203), a handle (204), and a guide block (205); the outer frame (201) is a box structure; the upper end and one side of the box structure are open; the lower end of the outer frame (201) is fixedly connected to the driving block (102) and the sliding guide block (103), respectively; two groups of symmetrical limit plates (202) are movably connected in the outer frame (201); limit grooves are respectively arranged on opposite sides of the limit plates (202); and both sides of the motor to be tested are The two guide blocks (205) are respectively engaged with the limiting grooves, and the lower end of the limiting plate (202) is fixedly connected with two groups of guide blocks (205). The bottom of the outer frame (201) is provided with a guide groove (206), and the guide blocks (205) are respectively slidably connected in the guide groove (206). The separated sides of the limiting plate (202) are respectively rotatably connected with threaded rods (203), and threaded holes are provided on both sides of the outer frame (201). The threaded rods (203) are respectively threadedly connected in the threaded holes, and one end of the threaded rod (203) passes through the threaded hole and is fixedly connected to the handle (204).
4. A new energy vehicle R&D motor test bench according to claim 3, characterized in that: The load assembly (4) comprises a first mounting frame (301), an annular frame (302), a U-shaped electromagnet (303), and a metal disc (304); the first mounting frame (301) is fixedly connected to the upper end of the base (5); the annular frame (302) is fixedly connected inside the first mounting frame (301); a plurality of U-shaped electromagnets (303) are respectively embedded and connected to the inner ring of the annular frame (302); the metal disc (304) is rotatably connected to the center of the inner ring of the annular frame (302); and the edges of the metal disc (304) are respectively arranged in the U-shaped grooves of the U-shaped electromagnets (303).
5. A new energy vehicle R&D motor test bench according to claim 4, characterized in that: A second mounting frame (401) is fixedly connected to the base (5) on the right side of the load component (4), and a first bearing (402) is fixedly connected to the upper end of the second mounting frame (401). A third mounting frame (403) is fixedly connected to the base (5) on the left side of the load component (4), and a second bearing (404) is fixedly connected to the third mounting frame (403). A transmission rod (406) is inserted and connected inside the first bearing (402) and the second bearing (404). The metal disc (304) is fixedly connected to the transmission rod (406). A torque sensor (405) is connected to the transmission rod (406) between the second bearing (404) and the metal disc (304), and two sides of the torque sensor (405) are fixedly connected to the third mounting frame (403).
6. A new energy vehicle R&D motor test bench according to claim 5, characterized in that: A support plate (501) is fixedly connected to the slide plate (101) on one side of the base (5); one end of the transmission rod (406) is rotatably connected to the support plate (501); and the transmission rod (406) passes through the support plate (501) and is transmission-connected to the rotating shaft of the motor to be tested through a coupling (502); a fourth mounting frame (503) is fixedly connected to the base (5) on the other side of the support plate (501); a rotation speed sensor (504) is fixedly connected to the fourth mounting frame (503); and the rotation speed sensor (504) is connected through the transmission rod (406).