Testing device for frequency conversion module

Abstract

The utility model discloses a testing device for a frequency conversion module, which relates to the technical field of frequency conversion module testing and comprises a fixed supporting mechanism, a rotation adjusting mechanism is rotatably arranged at the upper end of the fixed supporting mechanism, and an adjustable testing positioning mechanism is fixed in the rotation adjusting mechanism. The frequency converter module testing device solves the problems that an existing frequency converter module testing device only has one detection position, the detection efficiency is low, meanwhile, the fixing position of the module cannot be adjusted, frequency conversion modules of different specifications can be fixed at the same time, the number of testing stations needs to be increased, and the testing efficiency of the frequency conversion module efficacy is improved. According to the utility model, through rotation of the rotary table in the rotation adjusting mechanism, back-and-forth replacement of two test positions is realized, through bidirectional clamping of the test positioning mechanism, symmetrical fixation of two groups of frequency conversion modules is realized, a single detection position is changed into two symmetrical detection positions, and the test positioning mechanism enables the frequency conversion modules to adjust the fixed positions. And meanwhile, frequency conversion modules of different specifications are fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency conversion module testing, in particular to a testing device for a frequency conversion module. Background Art

[0002] The test device for the frequency conversion module is a device used to test the performance and functions of the frequency conversion module, which can help engineers conduct comprehensive testing and evaluation of the frequency conversion module.

[0003] A frequency converter module testing device with publication number CN215340120U includes a rectifier, which includes a housing, a circuit board and a top cover. A fixing column is provided at the bottom end of the inner wall of the housing, and a screw hole is provided on the top surface of the fixing column. The top surface of the housing is mounted with a top cover, and the top surface of the top cover is provided with a countersunk hole and a power switch. An input interface is provided on one side surface of the housing, and an output interface is provided on the other side surface of the housing. The circuit board is mounted on the inside of the housing. This testing device connects the rectifier and the photoelectric converter to the module under test. After the computer is connected to the photoelectric converter, it detects the module under test and can quickly determine whether the IGBT module inside the module under test is damaged. This can reduce the time for fault detection, improve work efficiency, and enhance the safety of frequency converter maintenance. However, this frequency converter module testing device has only one detection position, and the detection efficiency is low. At the same time, it cannot adjust the fixed position of the module and fix frequency converter modules of different specifications at the same time. It is necessary to increase the test position to improve the test efficiency of the frequency converter module efficacy.

[0004] In order to solve the above problems, a testing device for a frequency conversion module is proposed. Utility Model Content

[0005] The purpose of the present utility model is to provide a testing device for a frequency conversion module, which solves the problem that the existing frequency conversion module testing device in the background technology has only one detection position, low detection efficiency, and cannot adjust the fixed position of the module. At the same time, it is necessary to add test stations to fix frequency conversion modules of different specifications and improve the test efficiency of the frequency conversion module.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a testing device for a frequency conversion module, comprising a fixed support mechanism, a rotation adjustment mechanism is rotatably provided on the upper end of the fixed support mechanism, an adjustable test positioning mechanism is fixed in the rotation adjustment mechanism, the test positioning mechanism is provided with two groups that are mirror-symmetrical with respect to the rotation adjustment mechanism, the fixed support mechanism comprises a support table, the rotation adjustment mechanism comprises a servo motor fixed at the lower end of the support table, a turntable is provided at the output end of the servo motor, two frequency conversion module bayonet holes are provided on the turntable, the test positioning mechanism is engaged in the frequency conversion module bayonet hole, the test positioning mechanism comprises a guide block and a drive block fixedly connected to the turntable, and two groups of movable clamping blocks threadedly connected to the drive block.

[0007] Preferably, the fixed support mechanism further includes support feet fixed to the four corners of the lower end of the support platform, and the support platform is provided with a rotation positioning groove.

[0008] Preferably, the fixed support mechanism further includes an arc-shaped frame connected to the upper end of the support platform and a test frame fixed to one side of the arc-shaped frame.

[0009] Preferably, the rotation adjustment mechanism further includes a rotating rod connected to the output end of the servo motor, one end of the rotating rod is connected to an insertion rod, the upper end of the insertion rod is connected to the turntable and the insertion rod passes through the rotation positioning slot.

[0010] Preferably, the turntable further comprises two groups of notches provided at the lower end of the frequency conversion module bayonet, and central positioning blocks are connected to both sides of the center of the frequency conversion module bayonet.

[0011] Preferably, a bidirectional motor is provided at the center of one side of the driving block, and threaded rods are provided at both ends of the bidirectional motor.

[0012] Preferably, the movable clamping blocks are connected between the guide block and the driving block, and the two groups of movable clamping blocks are arranged in mirror symmetry with respect to the bidirectional motor.

[0013] Preferably, the upper end of the movable clamping block is connected to a pad clip, and the pad clip is engaged in the slot and slides along the slot.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] 1. The utility model provides a testing device for a frequency conversion module. By rotating the turntable in the rotation adjustment mechanism, a servo motor drives the turntable to rotate and adjust the processing position. The corresponding settings of two sets of frequency conversion module bayonet holes and two sets of test positioning mechanisms realize the back-and-forth replacement of two test positions, solving the problem that the existing frequency converter module testing device has only one detection position and low detection efficiency.

[0016] 2. The utility model provides a test device for a frequency conversion module, which realizes the symmetrical fixation of two groups of frequency conversion modules through the bidirectional clamping setting of the test positioning mechanism, and changes the single detection position into two mutually symmetrical detection positions. The test positioning mechanism enables the frequency conversion module to adjust the fixed position and fix frequency conversion modules of different specifications at the same time, thereby improving the test efficiency of the frequency conversion module efficacy, solving the problem that the existing frequency conversion module test device cannot adjust the fixed position of the module and fix frequency conversion modules of different specifications at the same time, requiring additional test stations to improve the test efficiency of the frequency conversion module efficacy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 2 The overall structure of the utility model is shown in FIG. Figure 2 ;

[0019] Figure 3 This is a structural diagram of the fixed support mechanism of the utility model;

[0020] Figure 4 This is a structural diagram of the rotation adjustment mechanism of the utility model;

[0021] Figure 5 This is a structural diagram of the test positioning mechanism of the utility model.

[0022] In the figure: 1. Fixed support mechanism; 11. Support foot; 12. Support platform; 121. Rotation positioning slot; 13. Arc frame; 14. Test frame; 2. Rotation adjustment mechanism; 21. Servo motor; 22. Rotating rod; 23. Insert rod; 24. Turntable; 241. Frequency conversion module bayonet; 242. Notch; 243. Center positioning block; 3. Test positioning mechanism; 31. Guide block; 32. Drive block; 321. Bidirectional motor; 322. Threaded rod; 33. Moving clamp; 331. Pad clamp. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings.

[0025] Combine Figure 1The utility model is a testing device for a frequency conversion module, comprising a fixed support mechanism 1, a rotation adjustment mechanism 2 is rotatably provided on the upper end of the fixed support mechanism 1, an adjustable test positioning mechanism 3 is fixed in the rotation adjustment mechanism 2, the test positioning mechanism 3 is provided with two groups that are mirror-symmetrical with respect to the rotation adjustment mechanism 2, the fixed support mechanism 1 comprises a support table 12, the rotation adjustment mechanism 2 comprises a servo motor 21 fixed at the lower end of the support table 12, a turntable 24 is provided at the output end of the servo motor 21, two frequency conversion module bayonet sockets 241 are provided on the turntable 24, the test positioning mechanism 3 is engaged in the frequency conversion module bayonet socket 241, the test positioning mechanism 3 comprises a guide block 31 and a drive block 32 fixedly connected to the turntable 24, and two groups of movable clamping blocks 33 threadedly connected to the drive block 32.

[0026] Specifically, the servo motor 21 realizes limiting and fixing, and the servo motor 21 drives the turntable 24 to rotate and adjust the processing position. The corresponding settings of the two groups of frequency conversion module bayonet 241 and the two groups of test positioning mechanisms 3 realize the back and forth replacement of the two test positions. The guide block 31 guides the movable clamping block 33, and the drive block 32 drives the two groups of movable clamping blocks 33 to adjust toward each other to realize the symmetrical fixation of the two groups of frequency conversion modules, and changes the single detection position into two mutually symmetrical detection positions. The setting of the test positioning mechanism 3 enables the frequency conversion module to adjust the fixed position, and at the same time fix frequency conversion modules of different specifications, thereby improving the test efficiency of the frequency conversion module efficacy.

[0027] The present invention will be further described below with reference to the embodiments.

[0028] Example 1:

[0029] Combine Figure 2-Figure 4 The fixed support mechanism 1 also includes support feet 11 fixed at the four corners of the lower end of the support platform 12. A rotation positioning groove 121 is provided on the support platform 12. The four groups of support feet 11 realize the support and fixation of the support platform 12. The rotation positioning groove 121 provides a rotation guide for the rotation adjustment mechanism 2.

[0030] The fixed support mechanism 1 further includes an arc frame 13 connected to the upper end of the support platform 12 and a test frame 14 fixed to one side of the arc frame 13 . The arc frame 13 supports the turntable 24 , and the test frame 14 implements testing of the frequency conversion module.

[0031] The rotation adjustment mechanism 2 also includes a rotating rod 22 connected to the output end of the servo motor 21, one end of the rotating rod 22 is connected to the insertion rod 23, the upper end of the insertion rod 23 is connected to the turntable 24 and the insertion rod 23 passes through the rotation positioning slot 121. The servo motor 21 drives the rotating rod 22, the insertion rod 23 and the turntable 24 to rotate synchronously. The rotation positioning slot 121 is opened in a semicircular range. The insertion rod 23 limits the rotation of the turntable 24. The servo motor 21 rotates forward and reverse alternately to realize the processing and replacement of the frequency conversion module.

[0032] The turntable 24 also includes two groups of slots 242 opened at the lower end of the frequency conversion module bayonet 241. Center positioning blocks 243 are connected to both sides of the center of the frequency conversion module bayonet 241. The test positioning mechanism 3 moves along the slots 242 to move and squeeze the frequency conversion module. The center positioning block 243 limits the center origin position to facilitate test positioning.

[0033] Example 2:

[0034] Combine Figure 5 A bidirectional motor 321 is provided at the center of one side of the driving block 32 , and threaded rods 322 are provided at both ends of the bidirectional motor 321 . The bidirectional motor 321 drives the threaded rods 322 at both ends to rotate synchronously.

[0035] The movable clamping blocks 33 are connected between the guide block 31 and the driving block 32 . The two groups of movable clamping blocks 33 are arranged in mirror symmetry with respect to the bidirectional motor 321 . The two groups of movable clamping blocks 33 respectively fix the frequency conversion modules at both ends of the central positioning block 243 .

[0036] The upper end of the movable clamping block 33 is connected to a pad clip 331 . The pad clip 331 is engaged in the slot 242 and slides along the slot 242 . The slot 242 limits and guides the pad clip 331 , and the pad clip 331 squeezes and fixes the frequency conversion module.

[0037] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A testing device for a frequency conversion module, comprising a fixed support mechanism (1), characterized in that: The upper end of the fixed support mechanism (1) is rotatably provided with a rotation adjustment mechanism (2), an adjustable test positioning mechanism (3) is fixed inside the rotation adjustment mechanism (2), and the test positioning mechanism (3) is provided with two groups that are mirror-symmetrical with respect to the rotation adjustment mechanism (2); The fixed support mechanism (1) includes a support platform (12), the rotation adjustment mechanism (2) includes a servo motor (21) fixed at the lower end of the support platform (12), a turntable (24) is provided at the output end of the servo motor (21), two frequency conversion module bayonet holes (241) are provided on the turntable (24), the test positioning mechanism (3) is engaged in the frequency conversion module bayonet holes (241), and the test positioning mechanism (3) includes a guide block (31) and a drive block (32) fixedly connected to the turntable (24), and two groups of movable clamping blocks (33) threadedly connected to the drive block (32).

2. A test device for a frequency conversion module according to claim 1, characterized in that: The fixed support mechanism (1) further comprises support legs (11) fixed to the four corners of the lower end of the support platform (12), and a rotation positioning groove (121) is provided on the support platform (12).

3. The testing device for a frequency conversion module according to claim 1, wherein: The fixed support mechanism (1) further comprises an arc-shaped frame (13) connected to the upper end of the support platform (12), and a test frame (14) fixed to one side of the arc-shaped frame (13).

4. The testing device for a frequency conversion module according to claim 1, wherein: The rotation adjustment mechanism (2) further comprises a rotating rod (22) connected to the output end of the servo motor (21), one end of the rotating rod (22) is connected to an insert rod (23), the upper end of the insert rod (23) is connected to the turntable (24), and the insert rod (23) is arranged to pass through the rotation positioning slot (121).

5. The testing device for a frequency conversion module according to claim 1, characterized in that: The turntable (24) further comprises two groups of notches (242) provided at the lower end of the frequency conversion module bayonet (241), and central positioning blocks (243) are connected to both sides of the center of the frequency conversion module bayonet (241).

6. A testing device for a frequency conversion module according to claim 1, characterized in that: A bidirectional motor (321) is provided at the center of one side of the driving block (32), and threaded rods (322) are provided at both ends of the bidirectional motor (321).

7. The testing device for a frequency conversion module according to claim 1, characterized in that: The movable clamping blocks (33) are connected between the guide block (31) and the driving block (32), and the two groups of movable clamping blocks (33) are arranged in a mirror-symmetrical manner with respect to the bidirectional motor (321).

8. The testing device for a frequency conversion module according to claim 1, characterized in that: The upper end of the movable clamping block (33) is connected to a pad clamp (331), and the pad clamp (331) is engaged in the slot (242) and slides along the slot (242).

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