Multi-purpose capacitive key function inspection jig

By designing a multi-purpose capacitive button function inspection fixture and using contact terminals and conversion modules for signal processing, the problem of low detection efficiency, high error rate and inability to detect in the absence of a driver chip in the prior art is solved, and a fast and accurate detection effect is achieved.

CN119805198APending Publication Date: 2025-04-11JINLONG MASCH & ELECTRONICS HANGZHOU CO LTD
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Patent Information

Application Number
CN202510048540.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2025-04-11

AI Technical Summary

Technical Problem

The prior art is inefficient when detecting capacitive buttons, has a high misjudgment rate, and cannot perform accurate detection in the absence of a driver chip, and there is a risk of damage to the product when testing the multimeter.

Method used

A multi-purpose capacitive button function inspection fixture is designed, including a detection table, a conversion module, a connecting frame, a mounting base and a detection unit. It is connected to the capacitive button pin through the contact terminal, and the signal processing and detection results are displayed using the analog drive of the conversion module and the PC terminal.

Benefits of technology

It realizes fast and accurate detection of capacitor buttons, avoids physical damage to capacitor buttons, improves detection accuracy and efficiency, and is suitable for the detection of a variety of capacitive button products.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of electrical component detection equipment, and particularly relates to a multipurpose capacitive key function inspection jig which comprises a detection table, a conversion module is installed in the detection table and electrically connected with a PC end through a data interface, a connecting frame is inserted into the detection table and electrically connected with the conversion module, and the conversion module is electrically connected with the detection table. A mounting seat is mounted in the connecting frame, a plurality of mounting grooves are formed in the mounting seat, detection units are inserted into the mounting grooves, and limiting grooves are formed in the surfaces of the detection units; the capacitive key detection device can be compatible with detection of various capacitive key products, signals of the capacitive key are transmitted to the simulation drive through the conversion module, whether the capacitive key is damaged or not is judged through the simulation drive, the detection efficiency and accuracy of the capacitive key are improved, operation is easy, the difficulty of detecting the capacitive key is reduced, and the detection efficiency is improved. According to the invention, a large batch of capacitor keys can be detected at the same time, the detection efficiency of the capacitor keys is further improved, and the detection time is saved.
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Description

Technical Field

[0001] The invention belongs to the technical field of electrical component detection equipment, and in particular relates to a multi-purpose capacitive button function inspection jig. Background Art

[0002] Capacitive buttons are touch buttons that use human body capacitance as a signal source. When a person approaches or touches a button, the capacitance between the person and the button changes. The button is identified and triggered by detecting this capacitance change. Capacitive buttons are used to control the opening and closing of various electrical appliances. Capacitive buttons need to be tested after they are manufactured and before they leave the factory to eliminate faulty or damaged parts. However, when testing, capacitive buttons cannot be directly tested if there is no driver chip designed on the product membrane; the external chips used in the product membrane of capacitive buttons are diverse, which brings great convenience problems to manufacturers, such as low production efficiency and high misjudgment rate. At present, the market basically adopts the method of measuring resistance with a multimeter, and uses the loop resistance of a single-button channel to determine whether an effective function is formed. However, the testing method of the multimeter is inefficient and accompanied by the risk of damaging the product, which may cause the product to be defective and has a high misjudgment rate.

[0003] In order to solve the above problems, the present application proposes a multi-purpose capacitive button function inspection jig. Summary of the invention

[0004] In order to solve the problems raised in the above background technology, the present invention provides a multi-purpose capacitive button function inspection jig, which has the characteristics of fast and accurate detection of capacitive buttons, avoiding damage to capacitive buttons, high accuracy and convenience.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a multi-purpose capacitive button function inspection jig, comprising a testing platform, a conversion module is installed inside the testing platform, the conversion module is electrically connected to the PC end through a data interface, a connecting frame is plugged into the testing platform, the connecting frame and the conversion module are electrically connected, a mounting seat is installed in the connecting frame, a plurality of mounting grooves are provided on the mounting seat, a detection unit is plugged into the mounting groove, a limiting groove is provided on the surface of the detection unit, a plurality of contact terminals are fixed in the limiting groove, the contact terminals correspond to the pins of the capacitive button, a switch and a power interface are installed on the side of the testing platform, and the power interface is connected to the power module.

[0006] As a preferred multi-purpose capacitive button function inspection jig of the present invention, the connecting frame is a U-shaped plate structure, a connector is installed on the inner side of the connecting frame, the mounting seat and the connector of the connecting frame are plugged in, a contact piece is installed on the bottom of the connecting frame, and the connecting frame is connected to the conversion module through the contact piece.

[0007] As a preferred multi-purpose capacitive button function inspection jig of the present invention, the mounting seat is a prismatic structure, each surface of the mounting seat is provided with a mounting groove, and one side of the mounting seat is adhered with anti-slip tape.

[0008] As a preferred embodiment of the multi-purpose capacitive button function inspection jig of the present invention, the mounting seat is a plate-like structure, and a plurality of evenly distributed mounting grooves are provided on the surface of the mounting seat.

[0009] As a preferred multi-purpose capacitive button function inspection jig of the present invention, an indicator light is installed at a position corresponding to each of the detection units on one side of the detection unit, and the indicator light is installed on the surface of the mounting seat.

[0010] As a preferred multi-purpose capacitive button function inspection jig of the present invention, a cover plate is hingedly connected to the mounting seat at a position corresponding to the detection unit, and the cover plate matches the detection unit.

[0011] As a preferred embodiment of the multi-purpose capacitive button function inspection jig of the present invention, a cover plate is hingedly connected to the surface of the mounting seat, and the cover plate covers the surfaces of several of the detection units.

[0012] As a preferred multi-purpose capacitive button function inspection jig of the present invention, the contact terminal in the detection unit is a copper boss structure, and the contact terminal is electrically connected to the capacitive button pin.

[0013] As a preferred embodiment of the multi-purpose capacitive button function inspection jig of the present invention, a prompt light is installed on the surface of the inspection table.

[0014] A method for inspecting a multi-purpose capacitive button function inspection jig, the specific steps are: S1. Correctly install the capacitive button into the detection unit so that the button pin fits the contact terminal, and cover it with the corresponding cover plate; S2. Touch the cover or capacitive button; S3, the conversion module receives the change of the capacitance sensing amount of the touch position, and transmits the signal to the PC end through the data interface; S4, the transmission signal is processed by the analog driver in the PC end, and the result is transmitted to the display interface of the PC end; S5. Through the PC display interface, you can observe whether the effect of the current touch position is correct to determine whether it is OK or NG.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention is compatible with the detection of various capacitive button products. The signal of the capacitive button is transmitted to the analog driver through the conversion module, and the damage of the capacitive button is determined through the analog driver, thereby improving the detection efficiency and accuracy of the capacitive button. The operation is simple and the difficulty of detecting the capacitive button is reduced.

[0016] 2. When the present invention detects the capacitive button, the capacitive button and the detection unit are in temporary contact, and no physical damage is caused to the capacitive button body during the detection process, thereby avoiding damage to the capacitive button due to detection and improving the yield rate of the capacitive button.

[0017] 3. The present invention can detect a large number of capacitive buttons at the same time, further improving the detection efficiency of the capacitive buttons and saving detection time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a structural diagram of the detection platform in the present invention; Figure 3 It is a structural diagram of the plate-shaped mounting seat in the present invention; Figure 4 is a wiring diagram of the conversion module in the present invention; Figure 5 A circuit diagram of a data interface in the present invention; Figure 6 is a circuit diagram of the conversion module in the present invention; Figure 7 is a circuit diagram of the detection unit in the present invention; In the figure: 1. test bench; 2. conversion module; 3. data interface; 4. connecting frame; 5. mounting seat; 51. mounting slot; 6. detection unit; 61. limit slot; 62. contact terminal; 7. prompt light; 71. indicator light; 8. switch; 9. power interface; 10. cover plate. DETAILED DESCRIPTION

[0019] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0020] Example 1 like Figures 1 to 7 As shown; A multi-purpose capacitive button function inspection jig comprises a test bench 1, a conversion module 2 is installed inside the test bench 1, the conversion module 2 is electrically connected to a PC end through a data interface 3, a connecting frame 4 is plugged into the test bench 1, the connecting frame 4 and the conversion module 2 are electrically connected, a mounting seat 5 is installed in the connecting frame 4, a plurality of mounting grooves 51 are provided on the mounting seat 5, a detection unit 6 is plugged into the mounting groove 51, a limiting groove 61 is provided on the surface of the detection unit 6, a plurality of contact terminals 62 are fixed in the limiting groove 61, and the contact terminals 62 correspond to the pins of the capacitive button, a switch 8 and a power interface 9 are installed on the side of the test bench 1, and the power interface 9 is connected to the power module.

[0021] In this embodiment: before testing the capacitive button, the present invention first places the capacitive button in the limiting groove 61. The limiting groove 61 matches the shape and size of the capacitive button. This design ensures that the pin of the capacitive button can accurately contact the contact terminal 62 to complete the installation of the capacitive button and the present invention. This structure optimizes the installation process and ensures the consistency and reliability of each test.

[0022] After completing the physical connection of the device, the data interface 3 is then connected to the PC via a data cable, and the power module is connected to the power interface 9. These two steps ensure the connectivity and power supply of each part of the system of the present invention, so that the system can work normally.

[0023] The present invention has significant advantages, and can convert, transmit and determine the test signal of the capacitive button, thereby greatly improving the detection efficiency and accuracy of the capacitive button. In some cases, when the capacitive button has not yet been installed on the product film, the lack of a driver chip will result in the inability to perform accurate testing and detection. The design of the present invention effectively solves this problem.

[0024] The contact terminal 62 in the detection unit 6 is connected to the pin of the capacitive button. This connection method is contact-type, rather than traditional welding, which greatly enhances the flexibility and convenience during the test process. The capacitive button is connected to the conversion module 2 through the detection unit 6 to form an efficient signal processing path. The external power supply provides the necessary power support for the conversion module 2 and the capacitive button, so that when the surface of the capacitive button is touched, a tiny capacitance change electrical signal will be generated.

[0025] The received electrical signal is first processed by the conversion module 2 to ensure the accuracy and stability of the signal. The processed signal is quickly transmitted to the PC through the data interface 3. In order to further analyze the signal, an analog driver is installed in the PC to enable it to effectively read and analyze the signal. The analyzed results will be transmitted to the display interface, through which the tester can intuitively obtain the test results of the capacitive button and judge whether it is qualified at a glance.

[0026] After completing the inspection of a capacitive button, the operation is very simple. Just turn off the power, take out the inspected capacitive button, and place a new capacitive button in the limit slot 61 to continue the next round of inspection. This design greatly improves the efficiency of the inspection process, reduces the workload of the operator, and ensures that each test can be completed quickly and accurately.

[0027] In summary, the present invention ensures the high performance of capacitive button detection through precise connection design and efficient signal processing scheme, which not only improves the diversity and flexibility of detection, but also provides a more convenient solution for production and testing links, greatly promoting the application and quality control of capacitive buttons.

[0028] More specifically: In an optional embodiment, the connecting frame 4 is a U-shaped plate structure, a connector is installed on the inner side of the connecting frame 4, the mounting seat 5 and the connector of the connecting frame 4 are plugged in, a contact is installed on the bottom of the connecting frame 4, and the connecting frame 4 is connected to the conversion module 2 through the contact.

[0029] In this embodiment: through this design, the connecting frame 4 plays a vital role in the entire system. It is not only used to connect the communication connection between the mounting seat 5 and the conversion module 2, but also provides necessary support for the mounting seat 5. The U-shaped structural design of the connecting frame 4 enables the mounting seat 5 to be stably fixed therein, thereby effectively ensuring the stability and reliability of the entire connection system during operation.

[0030] After the connection frame 4 is adopted, the mounting base 5 is connected to the connection frame 4 through a precise joint. This design greatly simplifies the installation steps, allowing the operator to quickly complete the assembly of the components. The design of the connection frame 4 not only improves the installation speed, but also makes the connection between each component more compact, reducing the risk of loose connection due to vibration or external impact.

[0031] In actual application, the side of the mounting seat 5 is tightly combined with the inner side of the connecting frame 4, and a stable connection is formed through a precisely matched joint. This connection method allows the mounting seat 5 to always remain in a fixed position during various operations, ensuring that the equipment can maintain a good performance state during long-term operation. During operation, there is no need to use complex tools, and the installation can be completed by simply embedding the mounting seat 5 into the connecting frame 4, which greatly facilitates the use of the operator.

[0032] In addition, the connecting frame 4 also has certain flexibility and adaptability, and can be adjusted or replaced according to different usage requirements. This feature enables the entire system to adapt to a variety of different working environments and application scenarios, ensuring the wide applicability of the equipment.

[0033] Going further: In an optional embodiment, the mounting seat 5 is a prismatic structure, each surface of the mounting seat 5 is provided with a mounting groove 51 , and one side of the mounting seat 5 is adhered with an anti-slip tape.

[0034] In this embodiment: Since there are many models and types of capacitive buttons, the shapes of their pins are also different. Common pin types include pin-type pins, J-shaped pins, L-shaped pins, and ball pins. In order to meet these diverse needs, the contact terminal 62 in the detection unit 6 is carefully designed, and the corresponding contact surface shape can be customized according to different pin types. This innovative design ensures that different types of capacitive buttons can be accurately and effectively detected.

[0035] The mounting base 5 adopts a prismatic structure and has multiple surfaces, each of which can be mounted with a unique detection unit 6. This design enables the mounting base 5 to adapt to capacitive buttons with various pin shapes, greatly improving the versatility and flexibility of its detection. Whether it is for standardized pin pins or more complex J-shaped, L-shaped and ball pins, users can find a suitable detection interface to meet their specific detection requirements.

[0036] In addition, the multi-faceted mounting base 5 is particularly suitable for small batch inspections such as random inspections or sample tests. In small-scale production or quality control processes, the device undoubtedly provides great convenience, allowing workers to quickly switch between different types of capacitive button inspection tasks without changing equipment. This not only improves work efficiency, but also reduces time wasted due to repeated equipment settings.

[0037] The compactness of the overall structure of the present invention is also one of its important advantages. Since the mounting base 5 is reasonably designed and can accommodate multiple detection units, the device can maintain a relatively small size while having diversified functions. This not only makes the device easy to carry and move, but also improves the overall convenience of use. Whether in the laboratory, on the production line or on-site testing, operators can easily handle various types of capacitive button detection tasks.

[0038] Example 2 In order to detect capacitive buttons in batches, the mounting base 5 is further improved in this embodiment; A multi-purpose capacitive button function inspection jig, wherein a mounting seat 5 is a plate-shaped structure, and a surface of the mounting seat 5 is provided with a plurality of evenly distributed mounting grooves 51.

[0039] In this embodiment: through this design, the side where the mounting seat 5 of the plate-like structure is connected to the connecting frame 4 adopts a step structure. When the mounting seat 5 is installed on the connecting frame 4, it is closely combined with the detection platform 1 and the connecting frame 4 to form an integrated structure. This design ensures the stability and durability of the overall connection, can maintain good coordination of various components during high-frequency detection operations, and reduces detection errors caused by poor connection.

[0040] The surface of the mounting base 5 is designed as a plurality of mounting grooves 51, which makes it more flexible and expansible. These mounting grooves can not only accommodate multiple detection units 6, but also facilitate users to configure and adjust according to actual needs. In the scenario of batch detection, multiple capacitive buttons can be installed in parallel in the detection unit 6, and the staff does not need to detect each button one by one, thereby realizing a unified touch test of multiple components. Such a design significantly improves the efficiency of detection and provides an efficient and convenient solution for batch detection.

[0041] On the other hand, the design of the step structure also facilitates the operation of the equipment. Through simple insertion or fixing, the operator can quickly complete the installation without complicated steps or tools, which lowers the threshold for using the equipment and further improves the user's operating experience. In addition, the linkage use of multiple detection units 6 can better cope with the strict efficiency requirements of the production line, ensuring that the pursuit of product quality is not sacrificed while completing efficient detection.

[0042] This modular and scalable design not only meets the testing needs of various sizes, but also leaves room for possible technology upgrades in the future. Users can flexibly add or upgrade testing units according to their own conditions to meet higher standards of testing tasks.

[0043] Going further: In an optional embodiment, an indicator light 71 is installed at a position corresponding to each detection unit 6 on one side of the detection unit 6 , and the indicator light 71 is installed on the surface of the mounting base 5 .

[0044] In this embodiment: Through this design, the indicator light 71 plays a key prompting and warning role in the detection system. It is not only used to indicate whether the detection unit 6 at the location is stably connected to the capacitive button, but also can help the operator to understand the current working status in time through different state feedback. When the capacitive button is in poor contact with the contact terminal 62, the corresponding indicator light 71 will send out a warning signal, such as changing color or flashing, which can effectively reduce the detection misjudgment caused by poor connection and ensure the accuracy of the detection result.

[0045] The design of indicator light 71 fully considers the safety and convenience of users during use. Through indicator light 71, operators can quickly determine the on / off status of the power supply to avoid damage to the capacitive buttons during hot plugging operations. Due to the sensitivity of capacitive buttons to current and voltage, if they are operated under power, they may cause damage to the capacitive buttons and even affect the operation of the entire detection equipment. Indicator light 71 promptly reminds users to ensure that the system is in a power-off state when installing or removing capacitive buttons, thereby effectively ensuring the safety of equipment and components.

[0046] Going further: In an optional embodiment, a cover plate 10 is hingedly connected to the mounting seat 5 at a position corresponding to the detection unit 6 , and the cover plate 10 matches the detection unit 6 .

[0047] In this embodiment: through this design, once the capacitive button is installed in the detection unit 6, the surface of the capacitive button will be covered with the cover plate 10 accordingly. The main purpose of this design is to provide a more stable connection, ensure that the capacitive button can firmly maintain its position in the detection unit 6, achieve efficient and stable contact with the contact terminal 62, and effectively prevent the capacitive button from popping out or shifting during the detection process.

[0048] The use of the cover plate 10 not only enhances the stability of the capacitive key, but also provides an extra layer of protection for it. Since the capacitive key will be pressed by the user's finger in actual use, the cover plate 10 can effectively resist physical impact and prevent the key surface from being worn or damaged due to frequent use, thereby improving the service life and overall reliability of the capacitive key. At the same time, the material and design of the cover plate 10 should take into account good touch and appropriate response speed to ensure that the user's feedback experience during use is consistent with the actual operation experience.

[0049] The cover plate 10 is designed to be not only a cover, but also a contact plate that contacts the user's fingers, and its function is highly consistent with the contact experience in actual operation conditions, which means that the cover plate 10 can simulate a real operating environment.

[0050] It should be noted that the cover plate 10 is an acrylic plate with a thickness of 1.2-1.5 mm.

[0051] Going further: In an optional embodiment, a cover plate 10 is hinged on the surface of the mounting seat 5 , and the cover plate 10 covers the surfaces of the plurality of detection units 6 .

[0052] In this embodiment: through this design, when the cover plate 10 is used on the mounting base 5 of the plate-like structure, it can effectively cover all the detection units 6. This function is particularly suitable for batch detection operations, which significantly improves work efficiency and convenience.

[0053] During batch testing, the cover plate 10 not only provides uniform pressure distribution, but also acts as a limiter to prevent the capacitive buttons from being damaged due to misoperation. After frequent pressing and releasing, the capacitive buttons may face the risk of wear, deformation or misalignment. The presence of the cover plate 10 can effectively prevent these problems and extend the service life of the components.

[0054] In addition, the design of the cover plate 10 takes into account the ease of operation. It can be quickly installed and removed, making the replacement of accessories or equipment maintenance during the inspection process more efficient. The operator does not need to spend too much time on tedious assembly and can quickly enter the inspection state. This is particularly important in a production line or laboratory environment, and the time saved directly improves the overall production efficiency.

[0055] Going further: In an optional embodiment, the contact terminal 62 in the detection unit 6 is a copper boss structure, and the contact terminal 62 is electrically connected to the capacitor button pin.

[0056] In the present embodiment: Since there are many models and types of capacitive buttons, the shapes of their pins are also different. Common pin types include needle pins, J-shaped pins, L-shaped pins and ball pins, etc. The contact terminal 62 is a raised structure, which is convenient for contacting the pin. At the same time, the corresponding contact surface shape can be customized according to different pin types, and the arrangement and distribution of the contact terminal 62 can be set, which further enables the present invention to detect various models of capacitive buttons, thereby improving the scope of application of the present invention.

[0057] Going further: In an optional embodiment, a warning light 7 is installed on the surface of the testing platform 1 .

[0058] In this embodiment: through this design, through the prompt light 7 on the surface of the test bench 1, the test personnel can accurately know whether the present invention is in the power-on or power-off state. When installing and removing the capacitive button, it is necessary to turn off the power to avoid damaging the capacitive button. The power status can be intuitively judged through the prompt light 7, and the switch 8 can be used to control the opening and closing of the present invention, which is simple and convenient to operate.

[0059] Combined with the above content, The inspection method for using the fixture to inspect the capacitive button is as follows: S1. Correctly install the capacitor button into the detection unit 6 so that the button pin and the contact terminal 62 fit together, and cover with the corresponding cover plate 10; this step completes the installation of the capacitor button and the present invention, ensuring that the capacitor button is correctly installed into the detection unit 6. During installation, the pins of the capacitor button and the contact terminal 62 must be carefully aligned to ensure that they fit closely to achieve a good electrical connection, and then covered with the corresponding cover plate 10 to protect the capacitor button and ensure its stability. This step is performed in a power-off state.

[0060] S2, touch the cover plate 10 or the capacitive button; after completing the installation of the cover plate 10, turn on the switch 8 of the present invention, the user can touch the cover plate 10 or directly press the capacitive button, this touch action will produce a sensitive reaction of the capacitive technology, affect the electric field in the detection unit, and thus be detected by the system.

[0061] S3, the conversion module 2 receives the change of the capacitive sensing amount at the touch position and transmits the signal to the PC through the data interface 3; at the moment of touch, the conversion module 2 will receive the change of the capacitive sensing amount caused by the touch position in real time, and the change will be converted into an electronic signal and stably transmitted to the PC through the data interface 3 to ensure the integrity and real-time nature of data transmission.

[0062] S4. The transmitted signal is processed through the analog driver in the PC, and the result is transmitted to the display interface of the PC. On the PC, the received signal is processed by the built-in analog driver. The processing module can analyze the characteristics of the signal, extract accurate touch position data, and display these processing results on the display interface of the PC to help users fully understand the detection results.

[0063] S5. Through the PC display interface, you can observe whether the effect of the current touch position is correct to determine OK or NG; on the PC display interface, users will be able to observe whether the feedback effect of the current touch position meets expectations. The interface clearly presents the touch status, and visual prompts can be used to intuitively determine whether the result is "OK" or "NG". If the feedback shows "OK", it means that the capacitive button responds normally and the system works normally; on the contrary, if it is "NG", it indicates that there may be a problem and further inspection or maintenance is required. This process not only improves the efficiency of detection, but also provides users with clear operating instructions and result confirmation, improving the accuracy and reliability of detection. Detecting capacitive buttons in this way is simple, and the efficiency and accuracy are improved.

[0064] It should be noted that: Figure 4-7 As shown, the conversion module circuit includes resistor R1, resistor R2, resistor R3, resistor R4, resistor R5, resistor R6, resistor R7, resistor R8, resistor R9, resistor R10, resistor R11, resistor R12, capacitor C1, capacitor C2, capacitor C3, capacitor C9, touch sensing controller U1. In this embodiment, pin 2 of U1 is connected to resistor R1 and then connected to pin KEY1 of plug J1 in connecting frame 4, pin 3 of U1 is connected to resistor R2 and then connected to pin KEY2 of J1, pin 4 is connected to resistor R3 and then connected to pin KEY3 of J1, pin 5 is connected to capacitor C9 and then connected to ground, pin 6 is connected to capacitor C1 and then connected to ground, pin 7 is connected to power supply, pin 22 is connected to resistor R4 and then connected to SCL pin, pin 21 is connected to resistor R5 and then connected to The SDA pin is connected, pin 20 is connected to resistor R6 and then to J1 pin KEY4, pin 18 is connected to resistor R7 and then to pin KEY5, pin 17 is connected to resistor R8 and pin KEY6, pin 16 is connected to resistor R9 and pin KEY7, pin 15 is connected to resistor R10 and pin KEY8, pin 14 is connected to resistor R11 and pin KEY9, pin 13 is connected to resistor R12 and pin KEY10. When performing capacitive key detection, the electrical signal emitted by the capacitive key is transmitted to the conversion module through the contact terminal 62 in the detection unit 6, the signal of the capacitive key is processed by the touch sensing controller, and then transmitted to the PC end through the data interface J2, so as to realize the real-time transmission of the capacitive key signal, and then the analog drive in the PC end is used for testing to realize the capacitive key detection.

[0065] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multi-purpose capacitive button function inspection jig, characterized in that: The invention comprises a testing platform (1), wherein a conversion module (2) is installed inside the testing platform (1), wherein the conversion module (2) is electrically connected to a PC terminal via a data interface (3), wherein a connecting frame (4) is plugged into the testing platform (1), wherein the connecting frame (4) and the conversion module (2) are electrically connected, wherein a mounting seat (5) is installed in the connecting frame (4), wherein a plurality of mounting grooves (51) are provided on the mounting seat (5), wherein a testing unit (6) is plugged into the mounting groove (51), wherein a limiting groove (61) is provided on the surface of the testing unit (6), wherein a plurality of contact terminals (62) are fixed in the limiting groove (61), wherein the contact terminals (62) correspond to pins of a capacitive button, and wherein a switch (8) and a power interface (9) are installed on the side of the testing platform (1), wherein the power interface (9) is connected to the power module.

2. The multi-purpose capacitive button function inspection jig according to claim 1, characterized in that: The connecting frame (4) is a U-shaped plate-like structure, a connector is installed on the inner side of the connecting frame (4), the mounting seat (5) is plugged into the connector of the connecting frame (4), a contact sheet is installed on the bottom of the connecting frame (4), and the connecting frame (4) is connected to the conversion module (2) via the contact sheet.

3. The multi-purpose capacitive button function inspection jig according to claim 2, characterized in that: The mounting seat (5) is a prism structure, each surface of the mounting seat (5) is provided with a mounting groove (51), and one side of the mounting seat (5) is adhered with an anti-slip tape.

4. The multi-purpose capacitive button function inspection jig according to claim 2, characterized in that: The mounting seat (5) is a plate-shaped structure, and a plurality of evenly distributed mounting grooves (51) are provided on the surface of the mounting seat (5).

5. The multi-purpose capacitive button function inspection jig according to claim 4, characterized in that: An indicator light (71) is installed on one side of the detection unit (6) at a position corresponding to each detection unit (6), and the indicator light (71) is installed on the surface of the mounting seat (5).

6. The multi-purpose capacitive button function inspection jig according to claim 3, characterized in that: A cover plate (10) is hingedly connected to the mounting seat (5) at a position corresponding to the detection unit (6), and the cover plate (10) matches the detection unit (6).

7. The multi-purpose capacitive button function inspection jig according to claim 4, characterized in that: A cover plate (10) is hingedly connected to the surface of the mounting seat (5), and the cover plate (10) covers the surfaces of a plurality of the detection units (6).

8. The multi-purpose capacitive button function inspection jig according to claim 1, characterized in that: The contact terminal (62) in the detection unit (6) is a copper boss structure, and the contact terminal (62) is electrically connected to a capacitor button pin.

9. The multi-purpose capacitive button function inspection jig according to claim 1, characterized in that: A warning light (7) is installed on the surface of the detection platform (1).

10. A method for inspecting a multi-purpose capacitive button function inspection jig, applied to the multi-purpose capacitive button function inspection jig as claimed in any one of claims 1 to 9, characterized in that: The specific steps include: S1. Correctly install the capacitive button into the detection unit (6) so that the button pin and the contact terminal (62) fit together, and cover with a corresponding cover plate (10); S2, touching the cover plate (10) or the capacitive button; S3, the conversion module (2) receives the change of the capacitance sensing quantity at the touch position, and transmits the signal to the PC end through the data interface (3); S4, the transmission signal is processed by the analog driver in the PC end, and the result is transmitted to the display interface of the PC end; S5. Observe whether the effect of the current touch position is correct through the PC display interface, and determine whether it is OK or NG.