Frequency converter test bench
By designing a clamping mechanism, including springs and adjustment studs on the inverter test bench, the problem of unstable clamping of the inverter test bench is solved, and the accuracy of the test data is improved.
Patent Information
- Application Number
- CN202420797962.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-17
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-04-17
AI Technical Summary
The existing inverter test bench is not convenient to adjust the clamping force for different inverters during the inspection process, resulting in unstable clamping and affecting the accuracy of the test data.
A frequency converter test bench including a clamping mechanism is designed. The clamping mechanism consists of a placement groove, a partition plate, a spring seat, a telescopic spring, an adjustment stud and a clamping plate, by adjusting the clamping force and buffering column of the clamping plate, The setting of the holding strip and the anti-slip strip ensures stable clamping of different inverters during the detection process.
The stable clamping of different inverters is achieved, which avoids shaking during clamping and improves the accuracy of the test data.
Smart Images
Figure CN222259480U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of frequency converter testing, in particular to a frequency converter testing platform. Background Art
[0002] The inverter comprehensive performance test bench is the core test instrument for the inverter. It tests the overall performance of the inverter and the problems that may occur during normal use. It can simulate fault testing and overload testing the performance of the inverter software and hardware.
[0003] The existing inverter test bench is not convenient for adjusting the clamping force for different inverters during the detection process, which easily causes the inverter to be clamped unstable during the detection process, affecting the accuracy of the inverter test data. Therefore, we propose a inverter test bench. Utility Model Content
[0004] The main purpose of the utility model is to provide a frequency converter test bench, which can effectively solve the technical problems in the background technology.
[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: a frequency converter test bench, comprising a test bench main body and a tester, an operation button is provided at the front end of the tester, a test interface is provided at one end of the tester, a fixed plate is provided at the upper end of the test bench main body, a guide rail is provided at the upper end of the test bench main body, the guide rail is installed between the tester and the fixed plate, a moving block is provided on one side of the upper end of the guide rail, the moving block is slidably connected to the guide rail, an electric telescopic rod is provided at one end of the fixed plate, the output end of the electric telescopic rod is fixedly connected to the moving block, and a clamping mechanism is provided at the upper end of the moving block; the clamping mechanism comprises a placement groove, a partition plate is provided at the center of the placement groove, a first spring seat is provided at one end of the placement groove, a second spring seat is provided at one end of the partition plate, a telescopic spring is provided between the first spring seat and the second spring seat, two ends of the telescopic spring are sleeved on the outside of the first spring seat and the second spring seat, an adjusting stud is provided at one end of the placement groove, the adjusting stud is threadedly connected to the placement groove, one end of the adjusting stud is connected to the first spring seat, an adjusting handle is provided on the outside of the adjusting stud, a clamping plate is provided at one end of the partition plate, and one end of the clamping plate passes through the partition plate and is fixedly connected to the second spring seat.
[0006] Preferably, a buffer column is provided at one end of the clamping plate close to the test interface. By providing the buffer column, a buffering effect can be played between the clamping plate and the inverter to prevent the surface of the inverter from being damaged during the clamping process of the clamping plate.
[0007] Preferably, the number of buffer columns is greater than one group, the buffer columns are soft sponge columns, and the buffer columns are fixedly connected to the splint.
[0008] Preferably, two groups of clamping strips are provided on the outside of the buffer column. The two groups of clamping strips are installed in a V-shaped tilted manner. One end of the clamping strip is fixedly connected to the clamping plate. By providing the clamping strips, both sides of the inverter can be protected during movement to prevent the inverter from falling off from the placement slot.
[0009] Preferably, an anti-slip strip is provided on one side of the clamping strip, and the anti-slip strip is a soft rubber strip. One end of the anti-slip strip is fixedly connected to the clamping strip. By providing the anti-slip strip, the anti-slip strip can increase the adaptability of the clamping strip, so that the clamping strip and the inverter surface are clamped more tightly.
[0010] Preferably, the placement slot is a U-shaped frame, and a wire outlet hole is provided at one end of the placement slot. By providing the wire outlet hole at one end of the placement slot, it is convenient for the conductor of the frequency converter to be connected to the test interface through the wire outlet hole.
[0011] Beneficial Effects
[0012] The utility model provides a frequency converter test bench, which has the following beneficial effects:
[0013] (1) This inverter test bench is equipped with a clamping mechanism. The clamping force of the clamping plate can be adjusted according to the size of the inverter by rotating the adjustment handle to drive the telescopic spring to contract. This can make the clamping of different inverters more stable during the detection process, avoid the inverter from shaking during the clamping process, and improve the accuracy of the inverter test data. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the implementation mode of the present utility model or the technical solution in the prior art, the drawings required for use in the implementation mode or the description of the prior art will be briefly introduced below.
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 It is a side view of the overall structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the clamping mechanism of the utility model.
[0018] Legend:
[0019] 1. Test bench body; 2. Tester; 3. Operation button; 4. Test interface; 5. Fixed plate; 6. Moving block; 7. Guide rail; 8. Electric telescopic rod; 9. Clamping mechanism; 10. Placement slot; 11. Partition plate; 12. First spring seat; 13. Second spring seat; 14. Telescopic spring; 15. Adjustment stud; 16. Adjustment handle; 17. Clamping plate; 18. Buffer column; 19. Clamping strip; 20. Anti-slip strip. DETAILED DESCRIPTION
[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0021] Embodiment 1: A frequency converter test bench, such as Figure 1 - Figure 3 As shown, it includes a test bench body 1, the four corners of the lower end of the test bench body 1 are fixedly connected to support legs, a tester 2 is arranged on one side of the upper end of the test bench body 1, the lower end of the tester 2 is fixedly connected to the test bench body 1 by bolts, the tester 2 is linearly connected to the external power supply through a wire, an operation button 3 is arranged at the front end of the tester 2, a test interface 4 is arranged at one end of the outer side of the tester 2, the test interface 4 is connected to the tester 2 through a wire, a fixing plate 5 is arranged at the end of the upper end of the test bench body 1 away from the tester 2, the fixing plate 5 is a rectangular plate, the lower end of the fixing plate 5 is fixedly connected to the test bench body 1, and a guide rail 7 is arranged at the upper end of the test bench body 1. 7 is arranged between the tester 2 and the fixed plate 5, the lower end of the guide rail 7 is fixedly connected to the test bench body 1 by bolts, the two ends of the guide rail 7 are respectively in contact with the tester 2 and the fixed plate 5 on both sides, a moving block 6 is arranged at the end of the upper end of the guide rail 7 away from the test interface 4, the lower end of the moving block 6 is slidably connected to the guide rail 7, an electric telescopic rod 8 is arranged at the end of the fixed plate 5 close to the moving block 6, one end of the electric telescopic rod 8 is fixedly connected to the moving block 6, the output end of the electric telescopic rod 8 is fixedly connected to the moving block 6, the electric telescopic rod 8 is linearly connected to the external power supply through a wire, a clamping mechanism 9 is arranged at the upper end of the moving block 6, and the lower end of the clamping mechanism 9 is connected to the moving block 6.
[0022] Embodiment 2: A frequency converter test bench, based on the embodiment 1 Figure 1 - Figure 3As shown, the clamping mechanism 9 includes a placement slot 10, which is a U-shaped frame. The lower end of the placement slot 10 is fixedly connected to the moving block 6 by bolts. The end of the placement slot 10 close to the test interface 4 is provided with a wire outlet hole. A partition plate 11 is provided in the center of the placement slot 10. The lower end of the partition plate 11 is fixedly connected to the placement slot 10. The partition plate 11 divides the inside of the placement slot 10 into two left and right chambers. The end of the placement slot 10 away from the test interface 4 is provided with a first spring seat 12. The first spring seat 12 is a conical hard base. The tip of the first spring seat 12 The partition plate 11 is arranged to face the partition plate 11, and a second spring seat 13 is arranged at a position of the partition plate 11 relative to the first spring seat 12. The tip of the second spring seat 13 is arranged to face the first spring seat 12. A telescopic spring 14 is arranged between the first spring seat 12 and the second spring seat 13. Both ends of the telescopic spring 14 are respectively sleeved on the outside of the first spring seat 12 and the second spring seat 13. The telescopic spring 14 is movably connected with the first spring seat 12 and the second spring seat 13. The cross-sectional diameter of the telescopic spring 14 is smaller than the cross-sectional diameter of the first spring seat 12 and the second spring seat 13. An adjusting stud 15 is arranged at a position on the outside of the groove 10 relative to the first spring seat 12, and the adjusting stud 15 is threadedly connected to the placement groove 10, one end of the adjusting stud 15 passes through the side wall of the placement groove 10 and is fixedly connected to the first spring seat 12, and an adjusting handle 16 is fixedly connected to the outer end of the adjusting stud 15, a clamping plate 17 is arranged at the end of the partition plate 11 away from the second spring seat 13, and one end of the clamping plate 17 is fixedly connected to the second spring seat 13 through a connecting rod, and a buffer column 18 is arranged at the end of the clamping plate 17 close to the test interface 4, and the number of buffer columns 18 is greater than one The buffer column 18 is a soft sponge column, one end of the buffer column 18 is fixedly connected to the splint 17, two groups of clamping strips 19 are arranged on the outside of the buffer column 18, the clamping strip 19 is a hard strip rod, and the two groups of clamping strips 19 are installed in a V-shaped inclined manner, one end of the clamping strip 19 is fixedly connected to the splint 17, the opening of the clamping strip 19 is arranged toward the test interface 4, the opening of the clamping strip 19 is larger than the width of the placement groove 10, and an anti-slip strip 20 is arranged on the side of the clamping strip 19 close to the buffer column 18. The anti-slip strip 20 is a soft rubber strip, and one end of the anti-slip strip 20 is fixedly connected to the clamping strip 19.
[0023] It should be noted that the utility model is a frequency converter test bench. When in use, the frequency converter to be tested is first placed in the placement slot 10 at one end close to the test interface 4. After placement, the adjustment handle 16 is rotated. The adjustment handle 16 pushes the first spring seat 12 to move toward the side close to the second spring seat 13 through the adjustment stud 15 during rotation. The first spring seat 12 pushes the telescopic spring 14 to contract and drive the second spring seat 13 to move. The second spring seat 13 drives the clamping plate 17 to move through the connecting rod during movement. The clamping mechanism 9 can be moved to clamp the inverter placed in the placement slot 10. The buffer column 18 set at one end of the clamping plate 17 can play a buffering role between the clamping plate 17 and the inverter to prevent the clamping plate 17 from causing damage to the inverter surface during the clamping process. The clamping strips 19 set on both sides of the clamping plate 17 can protect both sides of the inverter during the movement to prevent the inverter from falling off from the placement slot 10. The anti-slip strips 20 can increase the adaptability of the clamping strips 19 and make the clamping strips 19 and the inverter surface clamped more tightly. By setting the clamping mechanism 9, the clamping force of the clamping plate 17 can be adjusted according to the size of the inverter by rotating the adjustment handle 16 to drive the telescopic spring 14 to contract, so that different inverters can be clamped more stably during the detection process, avoiding the inverter from shaking during the clamping process, and improving the accuracy of the inverter test data.
[0024] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A frequency converter test bench, comprising a test bench body (1) and a tester (2), wherein the front end of the tester (2) is provided with an operation button (3), one end of the tester (2) is provided with a test interface (4), the upper end of the test bench body (1) is provided with a fixed plate (5), the upper end of the test bench body (1) is provided with a guide rail (7), the guide rail (7) is installed between the tester (2) and the fixed plate (5), a moving block (6) is provided on one side of the upper end of the guide rail (7), the moving block (6) is slidably connected to the guide rail (7), one end of the fixed plate (5) is provided with an electric telescopic rod (8), the output end of the electric telescopic rod (8) is fixedly connected to the moving block (6), and the characteristics are: A clamping mechanism (9) is provided at the upper end of the moving block (6); the clamping mechanism (9) comprises a placement groove (10), a partition plate (11) is provided at the center of the placement groove (10), a first spring seat (12) is provided at one end of the placement groove (10), a second spring seat (13) is provided at one end of the partition plate (11), a telescopic spring (14) is provided between the first spring seat (12) and the second spring seat (13), and both ends of the telescopic spring (14) are sleeved on the first spring seat (12). The outer side of the seat (12) and the second spring seat (13), one end of the placement groove (10) is provided with an adjusting stud (15), the adjusting stud (15) is threadedly connected to the placement groove (10), one end of the adjusting stud (15) is connected to the first spring seat (12), an adjusting handle (16) is provided on the outer side of the adjusting stud (15), and one end of the dividing plate (11) is provided with a clamping plate (17), one end of the clamping plate (17) passes through the dividing plate (11) and is fixedly connected to the second spring seat (13).
2. The frequency converter test bench according to claim 1, characterized in that: A buffer column (18) is provided at one end of the clamping plate (17) close to the test interface (4).
3. The frequency converter test bench according to claim 2, characterized in that: The number of the buffer columns (18) is greater than one group, and the buffer columns (18) are soft sponge columns. The buffer columns (18) are fixedly connected to the splint (17).
4. A frequency converter test bench according to claim 2 or 3, characterized in that: Two groups of clamping strips (19) are arranged on the outside of the buffer column (18), and the two groups of clamping strips (19) are installed in a V-shaped inclined manner, and one end of the clamping strip (19) is fixedly connected to the clamping plate (17).
5. The frequency converter test bench according to claim 4, characterized in that: An anti-slip strip (20) is provided on one side of the clamping strip (19); the anti-slip strip (20) is a soft rubber strip; one end of the anti-slip strip (20) is fixedly connected to the clamping strip (19).
6. The frequency converter test bench according to claim 1, characterized in that: The placement groove (10) is a U-shaped frame, and one end of the placement groove (10) is provided with a wire outlet hole.