A circuit board inspection apparatus
By introducing a mounting box, pressing device, and control device into the circuit board testing device, the problem of unstable contact caused by probe structure misalignment was solved, automated testing was achieved, testing efficiency and accuracy were improved, the structure was simplified, and costs were reduced.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO XINSHENGDAI ELECTRONICS CO LTD
- Filing Date
- 2025-06-07
- Publication Date
- 2026-07-07
AI Technical Summary
In existing circuit board testing devices, the probe structure is prone to misalignment with the detection position on the circuit board, resulting in unstable contact between the contacts and the circuit board and low testing efficiency.
A circuit board testing device is designed, including a mounting box, a pressing device, and a control device. By setting contacts on the mounting plate and using pressing and driving components, the circuit board can be automatically tested, ensuring stable contact between the contacts and the circuit board, and improving testing efficiency and accuracy.
It automates the circuit board testing process, ensuring stable contact between the contacts and the circuit board, improving testing efficiency and accuracy, simplifying structural design, and reducing manufacturing costs.
Smart Images
Figure CN224471796U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of testing devices, and in particular to a circuit board testing device. Background Technology
[0002] Currently, many massage devices require testing to ensure the internal circuit boards function properly. This testing typically involves manually connecting the circuit board to an external test board, which is a standard test board. In this technology, the external test board is electrically connected to probes on the pressure plate of the testing device to check the accuracy of the contacts and the integrity of the functions of the circuit board under test.
[0003] The detection device includes a template at the bottom, on which the circuit board is placed. The placement of the circuit board requires a certain amount of space. After prolonged use, there is a risk of misalignment between the probe structure and the detection position on the circuit board, making it impossible to ensure stable contact between the contacts and the circuit board, resulting in low detection efficiency. Utility Model Content
[0004] The purpose of this invention is to provide a circuit board testing device that solves the technical problem of low testing efficiency due to the inability to ensure stable contact between the contacts and the circuit board.
[0005] To achieve the above objectives, the solution adopted by this utility model is: a circuit board testing device, including a mounting box, wherein a mounting plate for mounting circuit boards is provided on the mounting box, and a plurality of contacts are provided on the mounting plate;
[0006] A pressing device is movably mounted in the mounting box for pressing the circuit board;
[0007] A control device is located inside the mounting box and electrically connected to the contacts; the control device is used to connect to an external test board.
[0008] The mounting box is also equipped with multiple test knobs that are electrically connected to the control device;
[0009] The pressing device includes a pressing component and a driving component. A bracket is provided on the mounting box, and a guide rail is provided on the bracket. The pressing component is slidably mounted on the guide rail. The driving component is located on the bracket and connected to the pressing component for driving the pressing component to move up and down to press or move away from the circuit board.
[0010] In this solution, a mounting plate is integrated on the mounting box, and contacts are set on the mounting plate. The circuit board is mounted on the mounting plate, and the same-direction contacts of the circuit board are made in contact with the contacts on the mounting plate. After installation, a pressing device is used to press it down, and then a control device is used to detect it, thereby realizing the automated operation of circuit board detection, ensuring stable contact between the contacts and the circuit board, and improving detection efficiency and accuracy.
[0011] As a further preferred embodiment, the drive assembly includes a lever, a connecting rod, and a moving rod. The lever is hinged to the side of the bracket near the mounting plate. The connecting rod is located at the lower end of the lever. The moving rod is connected to the lower end of the connecting rod and is connected to the pressing assembly.
[0012] In this solution, the pressing component is driven by a manually operated lever, which simplifies the structural design, reduces manufacturing costs, and ensures the reliability and intuitiveness of operation.
[0013] As a further preferred embodiment, the pressing assembly includes a pressing plate and pressing rods, the lower end of the moving rod is provided with the pressing plate, and the lower end surface of the pressing plate is provided with a plurality of pressing rods, the pressing rods being used to press the circuit board.
[0014] In this design, multiple pressing rods are evenly distributed, which can apply uniform pressure to the circuit board, avoid local stress concentration, protect the structural integrity of the circuit board, and improve the uniformity of the detection contact.
[0015] Preferably, the mounting plate is also provided with a number of grooves for accommodating the protrusions of the circuit board.
[0016] In this solution, the groove design adapts to the raised structure of different circuit boards, expands the compatibility of the device, ensures the circuit board is installed firmly, and avoids contact misalignment caused by the protrusion.
[0017] Preferably, a start switch is provided on the side of the mounting box, and the start switch is electrically connected to the control device.
[0018] In this solution, the start switch is integrated on the side, which allows users to quickly start and stop the detection process, improves ease of operation, and reduces the risk of accidental activation.
[0019] As a further preferred embodiment, the mounting box includes a box body and a box cover, the box cover is hinged to the upper end of the box body, the box cover is connected to the box body through a connecting device, the control device is located inside the box body, and the mounting plate and the bracket are located on the box cover.
[0020] In this design, the separate box and lid facilitate the maintenance and replacement of internal components, while the connecting device allows for easy opening, closing, and sealing of the lid, making transportation convenient.
[0021] As a further preferred option, the lid of the box is provided with several indicator lights.
[0022] In this solution, the indicator light provides real-time feedback on the detection status, enhancing human-computer interaction and making it easier for users to quickly obtain detection results.
[0023] As a further preferred embodiment, the drive assembly includes a drive motor and a connecting rod. The drive motor is located on the side of the bracket near the mounting plate, and the connecting rod is located at the lower end of the drive motor. The connecting rod is connected to the pressing assembly.
[0024] In this solution, the drive motor provides an automated power source, replacing manual operation, improving detection efficiency, and reducing errors caused by human intervention. Attached Figure Description
[0025] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the present invention.
[0026] Figure 1 This is a first structural schematic diagram of the circuit board testing device of this utility model;
[0027] In the diagram: 1. Mounting box; 11. Box body; 12. Box cover; 13. Connecting device; 14. Mounting plate; 15. Contact point; 16. Groove; 2. Pressing device; 21. Drive assembly; 211. Actuating lever; 212. Connecting rod; 213. Moving rod; 22. Pressing assembly; 221. Pressing plate; 222. Pressing rod; 23. Bracket; 24. Guide rail; 3. Test knob; 4. Start switch; 5. Indicator light. Detailed Implementation
[0028] In the description of this utility model, unless otherwise explicitly specified and limited, the term "connection" or similar designation indicating the connection relationship between components should be interpreted broadly. For example, it can refer to a fixed connection, a detachable connection, or an integral part; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Example 1
[0029] A circuit board testing device includes a mounting box 1, on which a mounting plate 14 for mounting circuit boards is provided, and a plurality of contacts 15 are provided on the mounting plate 14.
[0030] The pressing device 2 is vertically mounted on the mounting box 1 and is used to press the circuit board;
[0031] The control device is located inside the mounting box 1 and is electrically connected to the contact 15. The control device is used to connect to an external test board.
[0032] The mounting box 1 is also equipped with multiple test knobs 3 that are electrically connected to the control device. The mounting box 1 includes a box body 11 and a box cover 12. The box cover 12 is hinged to the upper end of the box body 11. The box cover 12 is connected to the box body 11 through a connecting device 13. The control device is located inside the box body 11.
[0033] Furthermore, as a preferred embodiment, the mounting plate 14 is also provided with a plurality of grooves 16 for accommodating the protrusions of the circuit board.
[0034] Furthermore, as a preferred embodiment, a start switch 4 is provided on the side of the mounting box 1, and the start switch 4 is electrically connected to the control device.
[0035] Specifically, in this embodiment, the housing 11 has an opening at its upper end, and a control device, which is a programmable logic controller (PLC), is installed in the installation slot. A cover 12 is hinged to the upper end of the housing 11, and the cover 12 is used to seal the opening. The cover 12 is connected to the housing 11 via a connecting device 13. A lock body is provided on one side of the housing 11, and a lock beam is provided on the cover 12. The lock beam engages with the lock body to lock the housing 11 and the cover 12.
[0036] The upper surface of the cover 12 is provided with a mounting plate 14, which has multiple contacts 15. The contacts 15 on the mounting plate 14 abut against the same-direction contacts 15 on the circuit board. The contacts 15 are electrically connected to the control device to power the circuit board. The mounting plate 14 is also provided with multiple grooves 16, which are used to accommodate the protrusions of the circuit board.
[0037] A pressing device 2 is provided at the upper end of the cover 12. The pressing device 2 is movably mounted on the cover 12 for pressing or moving away from the circuit board, and is located above the mounting plate 14. Four test knobs 3 are also provided at the upper end of the cover 12, and the test knobs 3 are electrically connected to the control device. The control device has multiple connecting wires for connecting to the external test board and the massage device, respectively. A start switch 4 is provided on the side of the housing 11. The start switch 4 is electrically connected to the control device for starting or stopping the control device to turn the testing device on or off.
[0038] Furthermore, as a preferred embodiment, the cover 12 is provided with a plurality of indicator lights 5, which are electrically connected to the control device.
[0039] Specifically, in this embodiment, a mounting plate 14 is integrated on the mounting box 1, and contacts 15 are provided on the mounting plate 14. The circuit board is mounted on the mounting plate 14, and the same-direction contacts 15 of the circuit board are made in contact with the contacts 15 on the mounting plate 14. After installation, the circuit board is pressed using a pressing device 2, and then the circuit board is tested by a control device to realize the automated operation of circuit board testing, ensuring stable contact between the contacts 15 and the circuit board, and improving testing efficiency and accuracy.
[0040] Test knob 3 provides manual adjustment functionality, allowing users to adjust parameters according to the testing requirements of different circuit boards, thus enhancing the flexibility and applicability of the device.
[0041] Specifically, in this embodiment, the groove 16 is designed to accommodate the raised structures of different circuit boards, expanding the compatibility of the device, ensuring the circuit board is securely installed, and avoiding contact misalignment caused by the raised structure. The start switch 4 is integrated into the side, allowing users to quickly start and stop the detection process, improving operational convenience and reducing the risk of accidental activation.
[0042] The split-type enclosure 11 and cover 12 design facilitates the maintenance and replacement of internal components. A connecting device 13 allows for easy opening, closing, and sealing of the cover 12, simplifying transportation. An indicator light 5 provides real-time feedback on the testing status, enhancing human-machine interaction and enabling users to quickly obtain test results.
[0043] Furthermore, in a preferred embodiment, the pressing device 2 includes a pressing component 22 and a driving component 21. A bracket 23 is provided on the mounting box 1, and a guide rail 24 is provided on the bracket 23. The pressing component 22 is slidably mounted on the guide rail 24. The driving component 21 is mounted on the bracket 23 and connected to the pressing component 22 for driving the pressing component 22 to move up and down to press or move away from the circuit board. The mounting plate 14 and the bracket 23 are mounted on the box cover 12.
[0044] Furthermore, as a preferred embodiment, the drive assembly 21 includes a lever 211, a connecting rod 212, and a moving rod 213. The lever 211 is hinged to the side of the bracket 23 near the mounting plate 14. The lower end of the lever 211 is provided with the connecting rod 212, and the lower end of the connecting rod 212 is connected to the moving rod 213. The moving rod 213 is connected to the pressing assembly 22.
[0045] Furthermore, as a preferred embodiment, the pressing assembly 22 includes a pressing plate 221 and pressing rods 222. The lower end of the moving rod 213 is provided with the pressing plate 221, and the lower end surface of the pressing plate 221 is provided with a plurality of pressing rods 222. The pressing rods 222 are used to press the circuit board.
[0046] Specifically, in this embodiment, a bracket 23 is provided on the upper surface of the cover 12 on one side of the mounting plate 14 (the side away from the start switch 4). A connecting plate is provided on the upper end of the bracket 23, and a fixing plate is provided on the side of the connecting plate near the mounting plate 14. A lever 211 is hinged to the side of the fixing plate near the mounting plate 14, and a connecting rod 212 is provided at the lower end of the lever 211. A moving rod 213 is provided at the lower end of the connecting rod 212. A guide rail 24 is provided between the lower end of the connecting plate and the cover 12. A pressing plate 221 is slidably provided on the guide rail 24, and a plurality of pressing rods 222 are provided at the lower end of the pressing plate 221. The pressing rods 222 are used to press and fix the circuit board. The pressing plate 221 is connected to the moving rod 213. When the moving rod 211 is moved downward, it drives the connecting rod 212 to move downward, which in turn drives the moving rod 213 to move downward. The moving rod 213 drives the pressing plate 221 to move downward along the guide rail 24, so that the pressing rod 222 is pressed onto the circuit board for fixation.
[0047] Specifically, in this embodiment, precise guidance is achieved through the sliding engagement of the guide rail 24 and the pressing component 22, while the drive component 21 provides stable lifting power, ensuring the smoothness and consistency of the pressing action and avoiding poor contact problems. The pressing component 22 is driven manually by the lever 211, simplifying the structural design, reducing manufacturing costs, and ensuring operational reliability and intuitiveness. Multiple evenly distributed pressing levers 222 apply uniform pressure to the circuit board, avoiding localized stress concentration, protecting the structural integrity of the circuit board, and improving the uniformity of detection contact. Example 2
[0048] The drive assembly 21 includes a drive motor and a connecting rod. The drive motor is located on the side of the bracket 23 near the mounting plate 14, and the connecting rod is located at the lower end of the drive motor. The connecting rod is connected to the pressing assembly 22.
[0049] Specifically, in this embodiment, the difference from Embodiment 1 is that the manual drive component 21 is replaced with a drive motor driving a connecting rod. The connecting rod is connected to the pressing plate 221, and the drive component 21 drives the pressing plate 221 to move downward along the guide rail 24, thereby pressing the pressing rod 222 onto the circuit board. Furthermore, the drive motor can be electrically connected to the control device or a switch can be installed on the drive motor.
[0050] Specifically, in this embodiment, the drive motor provides an automated power source to replace manual operation, improve detection efficiency, and reduce errors caused by human intervention.
[0051] It should be understood that this invention is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this invention is limited only by the appended claims.
Claims
1. A circuit board testing device, characterized in that: Includes a mounting box, on which a mounting plate for mounting circuit boards is provided, and the mounting plate is provided with a plurality of contacts; A pressing device is mounted in the mounting box in a height-adjustable manner and is used to press the circuit board; A control device is located inside the mounting box and electrically connected to the contacts; the control device is used to connect to an external test board. The mounting box is also equipped with multiple test knobs that are electrically connected to the control device; The pressing device includes a pressing component and a driving component. A bracket is provided on the mounting box, and a guide rail is provided on the bracket. The pressing component is slidably mounted on the guide rail. The driving component is located on the bracket and connected to the pressing component for driving the pressing component to move up and down to press or move away from the circuit board.
2. The circuit board testing device according to claim 1, characterized in that, The drive assembly includes a lever, a connecting rod, and a moving rod. The lever is hinged to the side of the bracket near the mounting plate. The connecting rod is located at the lower end of the lever. The moving rod is connected to the lower end of the connecting rod and is connected to the pressing assembly.
3. The circuit board testing device according to claim 2, characterized in that, The pressing assembly includes a pressing plate and pressing rods. The pressing plate is provided at the lower end of the moving rod, and a plurality of pressing rods are provided on the lower end surface of the pressing plate. The pressing rods are used to press the circuit board.
4. The circuit board testing device according to claim 1, characterized in that, The mounting plate is also provided with several grooves for accommodating the protrusions of the circuit board.
5. The circuit board testing device according to claim 1, characterized in that, A start switch is provided on the side of the mounting box, and the start switch is electrically connected to the control device.
6. The circuit board testing device according to claim 1, characterized in that, The installation box includes a box body and a box cover. The box cover is hinged to the upper end of the box body. The box cover is connected to the box body through a connecting device. The control device is located inside the box body. The mounting plate and the bracket are located on the box cover.
7. A circuit board testing device according to claim 6, characterized in that, The lid of the box is equipped with several indicator lights.
8. The circuit board testing device according to claim 1, characterized in that, The drive assembly includes a drive motor and a connecting rod. The drive motor is located on the side of the bracket near the mounting plate, and the connecting rod is located at the lower end of the drive motor. The connecting rod is connected to the pressing assembly.