Fool-proof device and system suitable for manual test of power module
By designing a foolproof device and system suitable for manual testing of power modules, and using the test results to transmit module conversion signals to control the door operation, the problem of mixing good and defective products was solved, and the testing quality was improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2026-04-14
AI Technical Summary
In existing technologies, manual testing production lines suffer from the problem of mixing good, defective, tested, and untested products, leading to testing quality incidents.
A foolproof device and system for manual testing of power modules was designed. The test result transmission module converts the test signal into the opening and closing action signal of the compartment door to ensure that good and defective products are stored separately. The system includes a test button, a defective product compartment door and a good product compartment door to prevent mixed storage.
This effectively prevents testers from mistakenly mixing good and bad products, reducing the occurrence of test quality accidents.
Smart Images

Figure CN224122704U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of manual testing of power modules, and specifically to a method and system for digital conversion of supervision quality standards. Background Technology
[0002] With the robust release of domestic demand for new energy in recent years, the existing production capacity of power products is far from meeting market demand. Many companies have begun to integrate resources and develop new technologies in hopes of gaining better control over the related industrial chain. In the testing phase, fully automated equipment can significantly improve production efficiency and reduce production / quality accidents, but the corresponding investment is also very high. Generally, companies initially implement manual testing production lines for trial production. Once the production testing process is verified, and as customer demand increases, the production lines are upgraded to automation.
[0003] The advantages of manual testing lines are low equipment cost, fast delivery, and quick response to test changes; the disadvantages are low efficiency, high dependence on testing personnel, and occasional instances of untested products leaving the line or good products being retested, resulting in test quality incidents. Utility Model Content
[0004] The purpose of this utility model embodiment is to provide a foolproof device and system suitable for manual testing of power modules. This device and system solves the problem in the prior art of mixing good / bad / tested / untested products due to mechanical means.
[0005] To achieve the above objectives, this utility model provides a foolproof device suitable for manual testing of power modules, the device comprising:
[0006] The testing machine can prepare test items based on the opening and closing status of the defective product compartment door and the good product compartment door;
[0007] A test result transmission module, wherein the input end of the test result transmission module is connected to the output end of the test machine, and is used to transmit and convert test signals;
[0008] A door module, wherein the input terminal of the door module is connected to the output terminal of the test result transmission module, the door module comprising:
[0009] A test button, which is connected to the control terminal of the test machine;
[0010] The defective product storage door has one end connected to the output of the test result transmission module, and can open the door according to the trigger signal converted by the test result transmission module to place defective products.
[0011] The good product storage door is connected at one end to the output of the test result transmission module, and can open the door according to the trigger signal converted by the test result transmission module to place good products.
[0012] Optionally, the compartment door module further includes:
[0013] Good Product Warehouse Door Closer Switch, which is connected to the control terminal of the Good Product Warehouse Door;
[0014] A defective goods warehouse door closing switch is connected to the control terminal of the defective goods warehouse door.
[0015] Optionally, the door module further includes a test result indicator light, one end of which is connected to the output of the test result transmission module, and the other end of which is connected to the input of the door module.
[0016] Optionally, the device further includes an anti-pinch sensor connected to one end of the defective product compartment door and the good product compartment door.
[0017] On the other hand, this utility model provides a foolproof system suitable for manual testing of power modules, the system including any of the devices described above, the devices including:
[0018] The testing machine can prepare test items based on the opening and closing status of the defective product compartment door and the good product compartment door;
[0019] A test result transmission module, wherein the input end of the test result transmission module is connected to the output end of the test machine, and is used to transmit and convert test signals;
[0020] A door module, wherein the input terminal of the door module is connected to the output terminal of the test result transmission module, the door module comprising:
[0021] A test button, which is connected to the control terminal of the test machine;
[0022] The defective product storage door has one end connected to the output of the test result transmission module, and can open the door according to the trigger signal converted by the test result transmission module to place defective products.
[0023] The good product storage door is connected at one end to the output of the test result transmission module, and can open the door according to the trigger signal converted by the test result transmission module to place good products.
[0024] Optionally, the door module further includes:
[0025] Good Product Warehouse Door Closer Switch, which is connected to the control terminal of the Good Product Warehouse Door;
[0026] A defective goods warehouse door closing switch is connected to the control terminal of the defective goods warehouse door.
[0027] Optionally, the door module further includes a test result indicator light, one end of which is connected to the output of the test result transmission module, and the other end of which is connected to the input of the door module.
[0028] Optionally, the device further includes an anti-pinch sensor connected to one end of the defective product compartment door and the good product compartment door.
[0029] Using the above technical solution, the tester removes the module to be tested from the test area and places it on the test position of the testing machine. The tester presses the test button to perform the test operation on the module under test. If one or both doors of the good product compartment and the defective product compartment are open, the testing machine will not start; if both doors are closed, the testing machine will start and the test will begin. The test result transmission module receives the test result signal from the testing machine and then converts the test result signal into trigger signals for the opening and closing of the good product compartment and the defective product compartment. When the good product compartment receives the opening and closing trigger signal, the good product compartment opens, and the defective product compartment remains closed. The tester can then place the good product into the good product compartment and close it to proceed to the next product under test. When the defective product compartment receives the opening and closing trigger signal, the defective product compartment opens, and the good product compartment remains closed. The tester can then place the defective product into the defective product compartment and close it to proceed to the next product under test. This device can prevent testers from accidentally mixing good and bad test products, and also prevent test quality accidents from occurring. Attached Figure Description
[0030] The accompanying drawings are provided to further illustrate the embodiments of the present invention and form part of the specification. They are used together with the following detailed description to explain the embodiments of the present invention, but do not constitute a limitation thereof. In the drawings:
[0031] Figure 1 This is a frame diagram of a foolproof device for manual testing of power modules according to one embodiment of the present invention;
[0032] Figure 2 This is a frame diagram of a foolproof device for manual testing of power modules according to one embodiment of the present invention;
[0033] Figure 3This is a schematic diagram of a foolproof device for manual testing of power modules according to one embodiment of the present invention.
[0034] Explanation of reference numerals in the attached figures
[0035] Detailed Implementation
[0036] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of the present invention.
[0037] In the embodiments of this application, unless otherwise stated, directional terms such as "upper," "lower," "top," and "bottom" are generally used to describe the relative positional relationships of components in relation to the directions shown in the accompanying drawings or in relation to the vertical, perpendicular, or gravitational directions.
[0038] Furthermore, if the embodiments of this application involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed in this application.
[0039] like Figure 1 As shown, Figure 1 This is a schematic diagram of a foolproof device for manual testing of power modules according to one embodiment of the present invention. Figure 1The device comprises a testing machine 1, a test result transmission module 2, and a door module 3. The input of the test result transmission module 2 is connected to the output of the testing machine 1; the input of the door module 3 is connected to the output of the test result transmission module 2. The door module 3 includes a test button 31, a defective product door 32, and a good product door 33. The test button 31 is connected to the control terminal of the testing machine 1; one end of the defective product door 32 is connected to the output of the testing machine 1; and one end of the good product door 33 is connected to the output of the testing machine 1. The defective product door 32 and the good product door 33 have a certain number of compartments for storing a certain number of good products. The tester removes the module to be tested from the test area and places it on the test position of test machine 1. The tester presses test button 31 to perform the test operation on the module under test. If one or both doors of the good product compartment 33 and the defective product compartment 32 are open, test machine 1 will not start; if both doors of the good product compartment 33 and the defective product compartment 32 are closed, test machine 1 will start and the test will begin. Test result transmission module 2 will receive the test result signal from test machine 1, and then convert the test result signal from test machine 1 into a good product signal. The device provides trigger signals for opening and closing the good product compartment door 33 and the defective product compartment door 32. When the good product compartment door 33 receives the trigger signal, it opens while the defective product compartment door 32 remains closed. Testers can then place good products into the good product compartment door 33 and close it before proceeding to the next product to be tested. Conversely, when the defective product compartment door 32 receives the trigger signal, it opens while the good product compartment door 33 remains closed. Testers can then place defective products into the defective product compartment door 32 and close it before proceeding to the next product to be tested. This device prevents testers from mistakenly mixing good and defective products, thus avoiding test quality incidents.
[0040] In this embodiment, such as Figure 2 As shown, the door module 3 also includes a good product door closing switch 34 and a defective product door closing switch 35. The good product door closing switch 34 is connected to the control terminal of the good product door 33; the defective product door closing switch 35 is connected to the control terminal of the defective product door 32. When a product under test is either good or defective, the corresponding door will open. Doors that do not receive a signal will remain closed. After the tester places the product back in its place, the corresponding door closing switch needs to be pressed to test the next product.
[0041] In this embodiment, the door module 3 also includes a test result indicator light 4. One end of the test result indicator light 4 is connected to the output of the test result transmission module 2, and the other end is connected to the input of the door module 3. When the testing machine 1 is started, the test result transmission module 2 receives the test result signal and converts it into a good product door 33 or a defective product door 32. The test result indicator light 4 will indicate the result according to the test result. The test result indicator light 4 corresponding to the defective product door 32 is the FAIL module, and the test result indicator light 4 corresponding to the good product door 33 is the PASS module.
[0042] In this embodiment, the device further includes an anti-pinch sensor 5, which is connected to one end of the defective product compartment door 32 and the good product compartment door 33. When there is an obstruction at the corresponding position of the compartment door, the compartment door cannot close.
[0043] Furthermore, this utility model also includes a foolproof system suitable for manual testing of power modules, which includes any of the above-mentioned devices. The device includes a testing machine 1, a test result transmission module 2, and a door module 3. The input terminal of the test result transmission module 2 is connected to the output terminal of the testing machine 1; the input terminal of the door module 3 is connected to the output terminal of the test result transmission module 2. The door module 3 includes a test button 31, a defective product door 32, and a good product door 33, wherein the test button 31 is connected to the control terminal of the testing machine 1; one end of the defective product door 32 is connected to the output terminal of the testing machine 1; and one end of the good product door 33 is connected to the output terminal of the testing machine 1. The tester removes the module to be tested from the test area and places it on the test position of test machine 1. The tester presses test button 31 to perform the test operation on the module under test. If one or both doors of the good product compartment 33 and the defective product compartment 32 are open, test machine 1 will not start; if both doors of the good product compartment 33 and the defective product compartment 32 are closed, test machine 1 will start and the test will begin. Test result transmission module 2 will receive the test result signal from test machine 1, and then convert the test result signal from test machine 1 into a good product signal. The system includes trigger signals for opening and closing the good product compartment door 33 and the defective product compartment door 32. When the good product compartment door 33 receives the trigger signal, it opens while the defective product compartment door 32 remains closed. Testers can then place good products into the good product compartment door 33 and close it before proceeding to the next product to be tested. Conversely, when the defective product compartment door 32 receives the trigger signal, it opens while the good product compartment door 33 remains closed. Testers can then place defective products into the defective product compartment door 32 and close it before proceeding to the next product to be tested. This device prevents testers from mistakenly mixing good and defective products, thus avoiding test quality incidents.
[0044] In this embodiment, the door module 3 also includes a good product door closing switch 34 and a defective product door closing switch 35. The good product door closing switch 34 is connected to the control terminal of the good product door 33; the defective product door closing switch 35 is connected to the control terminal of the defective product door 32. When a product under test is either good or defective, the corresponding door will open. Doors that do not receive a signal remain closed. After the tester places the product back in its place, the corresponding door closing switch needs to be pressed to test the next product.
[0045] In this embodiment, the door module 3 also includes a test result indicator light 4. One end of the test result indicator light 4 is connected to the output of the test result transmission module 2, and the other end is connected to the input of the door module 3. When the testing machine 1 is started, the test result transmission module 2 receives the test result signal and converts it into a good product door 33 or a defective product door 32. The test result indicator light 4 will indicate the result according to the test result. The test result indicator light 4 corresponding to the defective product door 32 is the FAIL module, and the test result indicator light 4 corresponding to the good product door 33 is the PASS module.
[0046] In this embodiment, the device further includes an anti-pinch sensor 5, which is connected to one end of the defective product compartment door 32 and the good product compartment door 33. When there is an obstruction at the corresponding position of the compartment door, the compartment door cannot close.
[0047] Through the above technical solutions, such as Figure 3 As shown, the tester removes the module to be tested from the test area and places it on the test position of the test machine 1. The tester presses the test button 31 to perform the test operation on the module under test. If one or both doors of the good product compartment 33 and the defective product compartment 32 are open, the test machine 1 will not start; if both doors of the good product compartment 33 and the defective product compartment 32 are closed, the test machine 1 will start, and the test will begin. The test result transmission module 2 will receive the test result signal from the test machine 1, and then the test result transmission module 2 will convert the test result signal from the test machine 1 into... The system provides trigger signals for the opening and closing of the good product compartment door 33 and the defective product compartment door 32. When the good product compartment door 33 receives the trigger signal, it opens while the defective product compartment door 32 remains closed. Testers can then place good products into the good product compartment door 33 and close it before proceeding to the next product to be tested. Conversely, when the defective product compartment door 32 receives the trigger signal, it opens while the good product compartment door 33 remains closed. Testers can then place defective products into the defective product compartment door 32 and close it before proceeding to the next product to be tested. This device prevents testers from mistakenly mixing good and defective products, thus avoiding test quality incidents.
[0048] The optional embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the embodiments of the present utility model are not limited to the specific details in the above embodiments. Within the scope of the technical concept of the embodiments of the present utility model, various simple modifications can be made to the technical solutions of the embodiments of the present utility model, and these simple modifications all fall within the protection scope of the embodiments of the present utility model.
[0049] It should also be noted that the various specific technical features described in the above embodiments can be combined in any suitable manner without contradiction. To avoid unnecessary repetition, the various possible combinations will not be described separately in this embodiment.
[0050] Furthermore, various different embodiments of this utility model can be combined arbitrarily, as long as they do not violate the spirit of this utility model, they should also be regarded as the content disclosed by this utility model.
Claims
1. A foolproof device suitable for manual testing of power modules, characterized in that, The device includes: The testing machine can prepare test items based on the opening and closing status of the defective product compartment door and the good product compartment door; A test result transmission module, wherein the input end of the test result transmission module is connected to the output end of the test machine, and is used to transmit and convert test signals; A door module, wherein the input terminal of the door module is connected to the output terminal of the test result transmission module, the door module comprising: A test button, which is connected to the control terminal of the test machine; The defective product storage door has one end connected to the output of the test result transmission module, and can open the door according to the trigger signal converted by the test result transmission module to place defective products. The good product storage door is connected at one end to the output of the test result transmission module, and can open the door according to the trigger signal converted by the test result transmission module to place good products.
2. The apparatus according to claim 1, characterized in that, The door module also includes: Good Product Warehouse Door Closer Switch, which is connected to the control terminal of the Good Product Warehouse Door; A defective goods warehouse door closing switch is connected to the control terminal of the defective goods warehouse door.
3. The apparatus according to claim 1, characterized in that, The door module also includes a test result indicator light, one end of which is connected to the output of the test result transmission module, and the other end of which is connected to the input of the door module.
4. The apparatus according to claim 1, characterized in that, The device also includes an anti-pinch sensor, which is connected to one end of the defective product compartment door and the good product compartment door.
5. A foolproof system suitable for manual testing of power modules, characterized in that, The system includes the apparatus as described in any one of claims 1 to 4, the apparatus comprising: The testing machine can prepare test items based on the opening and closing status of the defective product compartment door and the good product compartment door; A test result transmission module, wherein the input end of the test result transmission module is connected to the output end of the test machine, and is used to transmit and convert test signals; A door module, wherein the input terminal of the door module is connected to the output terminal of the test result transmission module, the door module comprising: A test button, which is connected to the control terminal of the test machine; The defective product storage door has one end connected to the output of the test result transmission module, and can open the door according to the trigger signal converted by the test result transmission module to place defective products. The good product storage door is connected at one end to the output of the test result transmission module, and can open the door according to the trigger signal converted by the test result transmission module to place good products.
6. The system according to claim 5, characterized in that, The door module also includes: Good Product Warehouse Door Closer Switch, which is connected to the control terminal of the Good Product Warehouse Door; A defective goods warehouse door closing switch is connected to the control terminal of the defective goods warehouse door.
7. The system according to claim 5, characterized in that, The door module also includes a test result indicator light, one end of which is connected to the output of the test result transmission module, and the other end of which is connected to the input of the door module.
8. The system according to claim 5, characterized in that, The device also includes an anti-pinch sensor, which is connected to one end of the defective product compartment door and the good product compartment door.