Switching jig for testing new energy magnetic device

Abstract

The utility model relates to the technical field of test jigs, in particular to a switching jig for testing a new energy magnetic device, which comprises a main box body, a plurality of test stations, a pressing fixing module, a front test switching module and a rear test switching module, the plurality of test stations are installed on the main box body, the upper parts of the test stations are detachably connected with test fixture boxes, the test fixture boxes are used for connecting and placing to-be-tested products, the pressing-down fixing module is arranged above the test stations, the front test switching module is arranged at the front sides of the plurality of test stations, and the front test switching module is connected with the pressing-down fixing module. The rear test switching module is arranged on the rear side of the plurality of test stations, and the front test switching module and the rear test switching module are respectively connected to the front side and the rear side of the test fixture box. The utility model provides a high-efficiency switching jig for testing a new energy magnetic device.

Description

Technical Field

[0001] The utility model relates to the technical field of test fixtures, in particular to a switching fixture for testing new energy magnetic devices. Background Art

[0002] New energy magnetic components refer to a type of components that utilize the characteristics of magnetic materials to convert energy into electrical energy, magnetic energy or mechanical energy through corresponding devices. They can effectively convert energy in nature into usable electrical energy and achieve efficient use of energy.

[0003] For new energy magnetic components, finished product testing is required to ensure that the electrical characteristics of the product meet customer needs. The current test has disadvantages such as low test efficiency and low automation. At the same time, the product is not transported, circulated, and tested multiple times at a shared test station, which causes secondary damage to the product and pins, and there are also missed tests. Therefore, in view of the problems in the existing technology, it is particularly important to provide an efficient new energy magnetic component test fixture. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide an efficient switching fixture for testing new energy magnetic devices.

[0005] The utility model adopts the following technical solutions:

[0006] A switching fixture for testing new energy magnetic devices comprises a main box, a plurality of test stations, a downward pressing and fixing module, a front test switching module and a rear test switching module; the plurality of test stations are installed on the main box, the upper part of the test station is detachably connected with a test fixture box, the test fixture box is used to connect and place a product to be tested, the downward pressing and fixing module is arranged above the test station, the front test switching module is arranged at the front side of the plurality of test stations, the rear test switching module is arranged at the rear side of the plurality of test stations, and the front test switching module and the rear test switching module are respectively connected to the front and rear sides of the test fixture box.

[0007] A further improvement to the above technical solution is that the number of the test stations is set to four, and the test station includes a test bench, a station PCB board, a front pin board, a rear pin board and a first fixed cylinder. The station PCB board is embedded in the test bench, the bottom of the test fixture box is connected to the station PCB board, and the first fixed cylinder is used to fix one side of the test fixture box.

[0008] A further improvement to the above technical solution is that the front pin board and the rear pin board are respectively connected to the front and rear sides of the workstation PCB board, and the front pin board and the rear pin board are both connected to a first spring probe. The front pin board is used to switch superposition, resistance, and inductance tests, and the rear pin board is used to switch comprehensive, high voltage, and interlayer tests.

[0009] A further improvement to the above technical solution is that the downward pressing and fixing module includes a gantry, a plurality of downward pressing components, and a plurality of second fixed cylinders. The downward pressing components include a lifting slide cylinder and a downward pressing plate for fixing the product in the test fixture box. The downward pressing plate is movably connected to the lifting slide cylinder, and the second fixed cylinder is used to fix the rear side of the test fixture box.

[0010] A further improvement to the above technical solution is that the number of the pressing components is set to four, and the number of the second fixed cylinders is set to four.

[0011] A further improvement to the above technical solution is that the front test switching module is used for superposition, resistance, and inductance switching tests, and the front test switching module includes a switching pin assembly, a moving slider, a plurality of slide rails, a synchronous belt, a drive motor, and a moving drag chain. The switching pin assembly is arranged above the moving slider, and the moving slider is movably connected to the plurality of slide rails and the synchronous belt, respectively. The drive motor is used to drive the synchronous belt to rotate, and the moving drag chain is connected to the switching pin assembly.

[0012] A further improvement to the above technical solution is that the switching pin assembly includes a connecting column, a plurality of pin slide cylinders and a plurality of second spring probes, the connecting column is arranged above the movable slider, the pin slide cylinder is fixed to the connecting column, the plurality of second spring probes are connected to the output end of the pin slide cylinder, and the second spring probe is connected to the first spring probe.

[0013] A further improvement to the above technical solution is that the post-test switching module includes a comprehensive test switching component, an inter-layer switching component, a high-voltage switching component and a plurality of clamping components, and the comprehensive test switching component, the inter-layer switching component and the high-voltage switching component are stacked in sequence.

[0014] A further improvement to the above technical solution is that the comprehensive measurement switching component includes a comprehensive measurement connecting plate, a comprehensive measurement slide cylinder arranged above the comprehensive measurement connecting plate, and a plurality of comprehensive measurement probes connected to the output end of the comprehensive measurement slide cylinder; the interlayer switching component includes an interlayer connecting plate, an interlayer slide cylinder arranged above the interlayer connecting plate, and a plurality of interlayer probes connected to the output end of the interlayer slide cylinder; the high-voltage switching component includes a high-voltage connecting plate, a high-voltage slide cylinder arranged above the high-voltage connecting plate, and a plurality of high-voltage probes connected to the output end of the high-voltage slide cylinder; the comprehensive measurement probe, interlayer probe, and high-voltage probe are respectively connected to the rear pin board.

[0015] A further improvement to the above technical solution is that the number of the clamping assemblies is set to two, and the two clamping assemblies are respectively clamped on both sides of the comprehensive measurement switching assembly, the interlayer switching assembly and the high-voltage switching assembly, and the clamping assembly includes a clamping plate and a plurality of fixing screws connected to the clamping plate, and the plurality of fixing screws are respectively connected to the comprehensive measurement connecting plate, the interlayer connecting plate and the high-voltage connecting plate.

[0016] The beneficial effects of the utility model are:

[0017] The utility model is provided with a plurality of test stations, a downward pressing fixing module, a front test switching module and a rear test switching module, so that a plurality of test items can be completed at one time, labor is saved, and the product test is completed at one time, and the secondary damage to the product and the pin feet caused by the transportation, turnover and multiple tests of the product at non-shared test stations is reduced, and missed tests are also prevented. A detachable test fixture box structure is provided, and the fixture can be replaced according to needs. The test system can automatically identify the fixture, and after detecting different fixtures, the test system automatically retrieves the test data set by the corresponding fixture, and the replacement of products is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a switching fixture for testing new energy magnetic devices of the utility model;

[0019] Figure 2 for Figure 1 Schematic diagram of the internal structure of the switching fixture for testing new energy magnetic devices;

[0020] Figure 3 for Figure 1 A schematic diagram of the structure of the test station of the switching fixture for testing new energy magnetic devices;

[0021] Figure 4 for Figure 1 A schematic diagram of the structure of a downward pressing and fixing module of a switching fixture for testing new energy magnetic devices;

[0022] Figure 5 for Figure 1A schematic diagram of the structure of the front test switching module of the switching fixture for testing new energy magnetic devices;

[0023] Figure 6 for Figure 1 A structural schematic diagram of a post-test switching module of a switching fixture for testing new energy magnetic devices;

[0024] Figure 7 for Figure 6 A schematic structural diagram of the post-test switching module from another angle.

[0025] Numbers in the figure:

[0026] 10. Main box; 11. Test fixture box;

[0027] 20. Test station; 21. Test bench; 22. Station PCB board; 23. Front pin board; 24. Rear pin board; 25. First fixed cylinder; 26. First spring probe;

[0028] 30. Pressing down the fixed module; 31. Gantry; 32. Pressing down the assembly; 321. Lifting slide cylinder; 322. Pressing down the plate; 33. Second fixed cylinder;

[0029] 40. Front test switching module; 41. Switching pin assembly; 411. Connecting column; 412. Pin slide cylinder; 413. Second spring probe; 42. Moving slider; 43. Slide rail; 44. Synchronous belt; 45. Driving motor; 46. Moving drag chain;

[0030] 50. Post-test switching module;

[0031] 60. Comprehensive testing switching assembly; 61. Comprehensive testing connection plate; 62. Comprehensive testing slide cylinder; 63. Comprehensive testing probe;

[0032] 70. Interlayer switching assembly; 71. Interlayer connecting plate; 72. Interlayer slide cylinder; 73. Interlayer probe;

[0033] 80. High-voltage switching assembly; 81. High-voltage connecting plate; 82. High-voltage slide cylinder; 83. High-voltage probe;

[0034] 90. Clamping assembly; 91. Clamping plate; 92. Fixing screw. DETAILED DESCRIPTION

[0035] 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.

[0036] In the description of the present invention, it should be noted that the terms "vertical direction", "upper", "lower", "horizontal" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, 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, "first", "second", "third", and "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] like Figures 1 to 7 As shown, it is an embodiment of the utility model, which relates to a switching fixture for testing new energy magnetic devices, including a main box 10, a plurality of test stations 20, a downward pressing and fixing module 30, a front test switching module 40, and a rear test switching module 50; the plurality of test stations 20 are installed on the main box 10, and the upper part of the test station 20 is detachably connected with a test fixture box 11, and the test fixture box 11 is used to connect and place the product to be tested, the downward pressing and fixing module 30 is arranged above the test station 20, the front test switching module 40 is arranged on the front side of the plurality of test stations 20, and the rear test switching module 50 is arranged on the rear side of the plurality of test stations 20, and the front test switching module 40 and the rear test switching module 50 are respectively connected to the front and rear sides of the test fixture box 11.

[0039] Furthermore, if Figure 3 As shown, the number of the test stations 20 is set to four, and the test station 20 includes a test bench 21, a station PCB board 22, a front pin board 23, a rear pin board 24 and a first fixed cylinder 25. The station PCB board 22 is embedded in the test bench 21, and the bottom of the test fixture box 11 is connected to the station PCB board 22. The first fixed cylinder 25 is used to fix one side of the test fixture box 11. Specifically, the test fixture box 11 is detachably connected to the test station 20, which is convenient for replacing the test fixture box 11 according to the test product requirements, with high convenience and a wide range of applications.

[0040] Furthermore, if Figure 3 As shown, the front pin board 23 and the rear pin board 24 are respectively connected to the front and rear sides of the workstation PCB board 22, and the front pin board 23 and the rear pin board 24 are both connected to the first spring probe 26. The front pin board 23 is used to switch the superposition, resistance, and inductance tests, and the rear pin board 24 is used to switch the comprehensive, high voltage, and interlayer tests. Specifically, the front pin board 23 and the rear pin board 24 are respectively switched and connected with the front test switching module 40 and the rear test switching module 50, so as to facilitate the switching of superposition, resistance, inductance, high voltage, comprehensive test, interlayer and other tests as needed, and have strong practicality.

[0041] Furthermore, if Figure 4 As shown, the pressing and fixing module 30 includes a gantry 31, a plurality of pressing components 32, and a plurality of second fixing cylinders 33. The pressing component 32 includes a lifting slide cylinder 321, and a pressing plate 322 for fixing the product in the test fixture box 11. The pressing plate 322 is movably connected to the lifting slide cylinder 321, and the second fixing cylinder 33 is used to fix the rear side of the test fixture box 11. Specifically, by pressing and fixing the module 30, the fixing effect of the product is improved, so that the product can be tested, and the stability is high.

[0042] Furthermore, if Figure 4 As shown, the number of the pressing components 32 is set to four, and the number of the second fixed cylinders 33 is set to four. Specifically, the pressing components 32 are matched with the test station 20 to facilitate simultaneous testing of multiple groups of products, effectively improving the testing efficiency.

[0043] Furthermore, if Figure 5 As shown, the front test switching module 40 is used for superposition, resistance and inductance switching tests, and the front test switching module 40 includes a switching pin assembly 41, a moving slider 42, a plurality of slide rails 43, a synchronous belt 44, a driving motor 45 and a moving drag chain 46. The switching pin assembly 41 is arranged above the moving slider 42, and the moving slider 42 is movably connected to the plurality of slide rails 43 and the synchronous belt 44 respectively. The driving motor 45 is used to drive the synchronous belt 44 to rotate, and the moving drag chain 46 is connected to the switching pin assembly 41; the switching pin assembly 41 includes a connecting column 411, a plurality of pin slide cylinders 412 and a plurality of second spring probes 413. The connecting column 411 is arranged above the moving slider 42, and the pin slide cylinder 412 is fixed to the connecting column 411. The plurality of second spring probes 413 are connected to the output end of the pin slide cylinder 412, and the second spring probe 413 is connected to the first spring probe 26. Specifically, according to product testing requirements, superposition, resistance, and inductance testing can be switched, with a wide range of applications.

[0044] Furthermore, if Figure 6 and Figure 7 As shown, the post-test switching module 50 includes a comprehensive test switching component 60, an inter-layer switching component 70, a high-voltage switching component 80 and a plurality of clamping components 90, wherein the comprehensive test switching component 60, the inter-layer switching component 70 and the high-voltage switching component 80 are sequentially stacked; the comprehensive test switching component 60 includes a comprehensive test connection plate 61, a comprehensive test slide cylinder 62 arranged above the comprehensive test connection plate 61 and a plurality of comprehensive test probes 63 connected to the output end of the comprehensive test slide cylinder 62, and the inter-layer switching component 70 includes an interlayer connection plate 71, an interlayer slide cylinder 72 disposed above the interlayer connection plate 71, and a plurality of interlayer probes 73 connected to the output end of the interlayer slide cylinder 72. The high-voltage switching assembly 80 includes a high-voltage connection plate 81, a high-voltage slide cylinder 82 disposed above the high-voltage connection plate 81, and a plurality of high-voltage probes 83 connected to the output end of the high-voltage slide cylinder 82. The comprehensive test probe 63, the interlayer probe 73, and the high-voltage probe 83 are respectively connected to the rear pin board 24. Specifically, according to the product testing requirements, comprehensive test, interlayer, and high-voltage test switching can be performed, and the application range is wide.

[0045] Furthermore, if Figure 6 and Figure 7 As shown, the number of the clamping assemblies 90 is set to two, and the two clamping assemblies 90 are respectively clamped on both sides of the comprehensive test switching assembly 60, the interlayer switching assembly 70 and the high-voltage switching assembly 80. The clamping assembly 90 includes a clamping plate 91, and a plurality of fixing screws 92 connected to the clamping plate 91. The plurality of fixing screws 92 are respectively connected to the comprehensive test connection plate 61, the interlayer connection plate 71 and the high-voltage connection plate 81. Specifically, two clamping assemblies 90 are provided, which effectively improves the installation stability of the post-test switching module 50, ensures the normal operation of the post-test switching module 50, and has strong practicality.

[0046] The utility model is provided with a plurality of test stations 20, a downward pressing fixing module 30, a front test switching module 40, and a rear test switching module 50, so as to complete a plurality of test items at one time, save labor, complete the product test at one time, reduce the secondary damage to the product and the pin caused by the transportation, turnover, and multiple tests of the product at non-shared test stations, and also prevent missed tests. A detachable test fixture box 11 structure is provided, and the fixture can be replaced according to needs. The test system can automatically identify the fixture. After detecting different fixtures, the test system automatically retrieves the test data set by the corresponding fixture, and the replacement of products is simple and convenient.

[0047] The above only expresses the preferred technical solution of the utility model, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and the utility model is also intended to include these modifications and modifications.

Claims

1. A switching fixture for testing new energy magnetic devices, characterized in that: It includes a main box, a plurality of test stations, a downward pressing and fixing module, a front test switching module, and a rear test switching module; the plurality of test stations are installed on the main box, the upper part of the test station is detachably connected with a test fixture box, the test fixture box is used to connect and place the product to be tested, the downward pressing and fixing module is arranged above the test station, the front test switching module is arranged at the front side of the plurality of test stations, the rear test switching module is arranged at the rear side of the plurality of test stations, and the front test switching module and the rear test switching module are respectively connected to the front and rear sides of the test fixture box.

2. The switching fixture for testing new energy magnetic devices according to claim 1, characterized in that: The number of the test stations is set to four, and the test station includes a test bench, a station PCB board, a front pin board, a rear pin board and a first fixed cylinder. The station PCB board is embedded in the test bench, and the bottom of the test fixture box is connected to the station PCB board. The first fixed cylinder is used to fix one side of the test fixture box.

3. The switching fixture for testing new energy magnetic devices according to claim 2, characterized in that: The front pin board and the rear pin board are respectively connected to the front and rear sides of the workstation PCB board, and both are connected with a first spring probe. The front pin board is used to switch superposition, resistance, and inductance tests, and the rear pin board is used to switch comprehensive, high voltage, and interlayer tests.

4. The switching fixture for testing new energy magnetic devices according to claim 1, characterized in that: The downward pressing and fixing module includes a gantry, a plurality of downward pressing components, and a plurality of second fixed cylinders. The downward pressing components include a lifting slide cylinder and a downward pressing plate for fixing the product in the test fixture box. The downward pressing plate is movably connected to the lifting slide cylinder. The second fixed cylinder is used to fix the rear side of the test fixture box.

5. The switching fixture for testing new energy magnetic devices according to claim 4, characterized in that: The number of the pressing components is set to four, and the number of the second fixing cylinders is set to four.

6. The switching fixture for testing new energy magnetic devices according to claim 1, characterized in that: The front test switching module is used for superposition, resistance and inductance switching tests. The front test switching module includes a switching pin assembly, a moving slider, a plurality of slide rails, a synchronous belt, a driving motor and a moving drag chain. The switching pin assembly is arranged above the moving slider. The moving slider is movably connected to the plurality of slide rails and the synchronous belt respectively. The driving motor is used to drive the synchronous belt to rotate. The moving drag chain is connected to the switching pin assembly.

7. The switching fixture for testing new energy magnetic devices according to claim 6, characterized in that: The switching pin assembly includes a connecting column, a plurality of pin slide cylinders and a plurality of second spring probes. The connecting column is arranged above the movable slider, the pin slide cylinder is fixed to the connecting column, the plurality of second spring probes are connected to the output end of the pin slide cylinder, and the second spring probe is connected to the first spring probe.

8. The switching fixture for testing new energy magnetic devices according to claim 1, characterized in that: The post-test switching module includes a comprehensive test switching component, an inter-layer switching component, a high-voltage switching component and a plurality of clamping components. The comprehensive test switching component, the inter-layer switching component and the high-voltage switching component are stacked in sequence.

9. The switching fixture for testing new energy magnetic devices according to claim 8, characterized in that: The comprehensive measurement switching component includes a comprehensive measurement connecting plate, a comprehensive measurement slide cylinder arranged above the comprehensive measurement connecting plate, and a plurality of comprehensive measurement probes connected to the output end of the comprehensive measurement slide cylinder; the interlayer switching component includes an interlayer connecting plate, an interlayer slide cylinder arranged above the interlayer connecting plate, and a plurality of interlayer probes connected to the output end of the interlayer slide cylinder; the high-voltage switching component includes a high-voltage connecting plate, a high-voltage slide cylinder arranged above the high-voltage connecting plate, and a plurality of high-voltage probes connected to the output end of the high-voltage slide cylinder; the comprehensive measurement probe, interlayer probe, and high-voltage probe are respectively connected to the rear pin board.

10. The switching fixture for testing new energy magnetic devices according to claim 8, characterized in that: The number of the clamping assemblies is set to two, and the two clamping assemblies are respectively clamped on both sides of the comprehensive measurement switching assembly, the interlayer switching assembly and the high-voltage switching assembly. The clamping assembly includes a clamping plate and a plurality of fixing screws connected to the clamping plate. The plurality of fixing screws are respectively connected to the comprehensive measurement connecting plate, the interlayer connecting plate and the high-voltage connecting plate.

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