Circuit board testing equipment

By designing a detachable and connected test cart and automated transmission mechanism, the problem that the Bluetooth module circuit board detection method in the existing technology cannot flexibly adapt to different specifications or models is solved, and rapid replacement and maintenance is achieved, and testing efficiency and safety is improved. .

CN222145164UActive Publication Date: 2024-12-10SHENZHEN FENGHEYUAN TECH
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Patent Information

Application Number
CN202420431590.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-06
Publication Date
2024-12-10
Estimated Expiration
2034-03-06

AI Technical Summary

Technical Problem

The existing Bluetooth module circuit board detection methods rely on manual operation and cannot flexibly adapt to the testing needs of different specifications or models. Replacement and debugging are time-consuming and complex.

Method used

A circuit board testing device including a detachable connection test cart and test device is designed, automated testing is achieved through a conveyor mechanism and a robot, equipped with a detachable shielding box and test seat, supporting rapid replacement and maintenance of the test device.

Benefits of technology

Improves the flexibility and scope of application of test equipment, simplifies replacement and maintenance processes, improves testing efficiency and safety, and reduces operational complexity.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222145164U_ABST
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Abstract

The utility model provides a circuit board test device, comprising a device body, the outer side of the device body is provided with at least one channel, at least one test cart is detachably connected with the device body, and the number of the test carts is in one-to-one correspondence with the number of the channels; wherein the testing cart comprises a cart body and a testing device, the cart body is detachably connected with the equipment body and contained in the channel, and the testing device is arranged on the cart body and used for testing the circuit board. The utility model provides a circuit board testing device, which adopts the design of integrating a conveyor belt and a manipulator, realizes automatic conveying and positioning of a circuit board to be tested, and greatly reduces the dependence on manual operation, thereby remarkably improving the testing efficiency and reducing the labor cost. The shielding box can effectively shield external signal interference in a closed state, ensures that the test result of the internal circuit board is accurate and reliable, and improves the overall quality of a product.
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Description

Technical Field

[0001] The utility model relates to the technical field of automation equipment, in particular to a circuit board testing device. Background Art

[0002] As a widely used wireless communication method, Bluetooth technology has widely replaced physical cables such as power cords and played an important role in short-distance data exchange between fixed devices, mobile devices and building personal area networks. With the popularization of Bluetooth functions in electronic products, it is crucial to ensure that the performance indicators of the built-in Bluetooth modules of such products meet the standard requirements when they work normally. However, most of the Bluetooth module circuit board detection methods on the market currently rely on manual operation, which specifically requires each circuit board to be tested to be placed in a shielding box one by one for testing.

[0003] When faced with the need to test circuit boards of different specifications or models, existing test equipment is usually not able to adapt flexibly, and replacement and debugging are time-consuming and complex.

[0004] Therefore, the prior art has deficiencies and needs further improvement. Utility Model Content

[0005] In view of the problems existing in the prior art, the utility model provides a circuit board testing device.

[0006] To achieve the above purpose, the specific scheme of the utility model is as follows:

[0007] The utility model provides a circuit board testing device, comprising:

[0008] A device body, wherein at least one channel is provided on the outer side of the device body;

[0009] at least one test cart, detachably connected to the device body, wherein the number of the test carts corresponds to the number of the channels;

[0010] The test cart comprises a vehicle body and a test device, wherein the vehicle body is detachably connected to the equipment body and accommodated in the passage, and the test device is arranged on the vehicle body and is used to test the circuit board.

[0011] Furthermore, the testing device is installed on the top of the vehicle body, a power supply and a control terminal are installed inside the vehicle body, and the testing device is connected to the power supply and the control device by wire.

[0012] Furthermore, wheels are arranged at the bottom of the vehicle body, and handles are arranged at the outside of the vehicle body.

[0013] Furthermore, the device body is provided with an opening and closing door;

[0014] The opening and closing door is opened when the test cart is disassembled and assembled, and the opening and closing door is closed during the circuit board testing process.

[0015] Furthermore, a conveying mechanism and a manipulator are provided in the main body of the device. The conveying mechanism is used to transport the circuit board, and the manipulator is used to pick up and place the circuit board back and forth between the testing device and the conveying mechanism.

[0016] Furthermore, the test cart is provided with a connection structure detachably connected to the device body, the device body is provided with a lock, and the connection structure and the lock cooperate to achieve locking and unlocking functions.

[0017] Further, the connection structure includes a locking tongue, a pedal and a connecting plate, the locking tongue is connected to one end of the connecting plate and is located at the front end of the test cart, the pedal is connected to the other end of the connecting plate and is located at the rear end of the test cart, and a spring is provided at the bottom of the locking tongue;

[0018] When the test cart is pushed into the device body, the lock tongue moves horizontally to abut against the lock buckle, and the spring is compressed after being squeezed. After the front end of the lock buckle passes over the lock tongue, the spring is reset, and the lock tongue enters the lock buckle to complete locking;

[0019] When unlocking, the pedal is pressed down, driving one end of the connecting plate to rise, and the locking tongue at the other end of the connecting plate descends, and the locking tongue is separated from the lock buckle. After the test cart is pulled out, the pressure is removed, and the unlocking is achieved.

[0020] Furthermore, the test device comprises a test socket and a shielding box, the shielding box is detachably connected to the vehicle body, and the test socket is detachably installed in the shielding box.

[0021] Furthermore, the shielding box includes a box body and a box cover, the box cover is movably connected to the box body, the test seat is arranged in the box body, and a test slot is arranged in the test seat.

[0022] Furthermore, two test slots are provided.

[0023] The technical solution of the utility model has the following beneficial effects:

[0024] In the test equipment of the utility model, the test cart and the equipment body are independent of each other. The test equipment includes a detachably connected test cart and a replaceable test device design, so that the equipment can quickly adapt to PCBA circuit boards of different specifications for testing, which greatly improves the use flexibility and application scope of the test equipment. When replacing and maintaining the test device, it is only necessary to disassemble the test cart, which does not require much effort, and the operation is safe, convenient and simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional diagram of the device body and the test cart of the utility model together;

[0026] Figure 2 It is a schematic diagram of the test cart of the utility model inside the equipment body;

[0027] Figure 3 It is a schematic diagram of the connection mechanism of the utility model and the locking state of the lock buckle;

[0028] Figure 4 It is a schematic diagram of the connection mechanism of the utility model and the unlocked state of the lock;

[0029] Figure 5 It is a three-dimensional diagram of the test cart and the shielding box of the utility model;

[0030] Figure 6 It is a three-dimensional diagram of the shielding box of the utility model;

[0031] Figure 7 It is another stereoscopic view of the shielding box of the present invention.

[0032] In the figure:

[0033] 1. Equipment body; 2. Test cart; 3. Carriage; 4. Shielding box; 5. Test seat; 6. Test slot; 7. Conveyor belt; 8. Manipulator; 9. Opening and closing door; 10. Wheels; 11. Lock; 12. Lock tongue; 13. Pedal; 14. Spring; 15. Box cover; 16. Box body; 17. Connecting plate. DETAILED DESCRIPTION

[0034] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0035] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; 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 be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0037] In the description of this embodiment, the terms "upper", "lower", "front", "back", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operate in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0038] Combination Figure 1-Figure 7 As shown, the utility model provides a circuit board testing device, including a device body 1, at least one channel is provided on the outside of the device body 1, at least one test cart 2 is detachably connected to the device body 1, and the number of the test carts 2 corresponds to the number of the channels; wherein the test cart 2 includes a vehicle body 3 and a test device, the vehicle body 3 is detachably connected to the device body 1 and accommodated inside the channel, the test device is arranged on the vehicle body 3, and the test device is used to test the circuit board. By designing at least one test cart 2 detachably connected to the device body 1, modular assembly and disassembly of the test equipment is realized, so that the test device can be flexibly replaced and maintained, and at the same time, because the test cart 2 corresponds to the channel one by one, the entire test process is orderly and efficient, which effectively improves the work efficiency and flexibility of the circuit board test, and when replacing and maintaining the test device, it is only necessary to disassemble the test cart 2, which does not require much effort, and the operation is safe, convenient and simple.

[0039] Specifically, the test device is installed on the top of the vehicle body 3, and the power supply and control terminal are installed inside the vehicle body 3. The test device is connected to the power supply and control device by wire. By installing the test device on the top of the vehicle body 3 and connecting it to the power supply and control terminal by wire, not only the rationality and stability of the spatial layout of the test device are ensured, but also centralized power supply and control are facilitated, further ensuring the accuracy and reliability of the circuit board test.

[0040] The bottom of the vehicle body 3 is provided with wheels 10, and the outside of the vehicle body 3 is provided with handles. By providing the wheels 10 at the bottom of the vehicle body 3 and the handles on the outside, the test cart 2 can be moved conveniently and quickly in the equipment body 1, which greatly simplifies the operation process and reduces the labor intensity of the staff.

[0041] The device body 1 is provided with an opening and closing door 9; the opening and closing door 9 is opened when the test cart 2 is disassembled and assembled, and the opening and closing door 9 is closed during the circuit board test process. By providing the opening and closing door 9 on the device body 1, it is convenient to load and unload the test cart 2, and a closed environment can be provided during the test process to reduce external interference, which is conducive to improving the accuracy and safety of the circuit board test.

[0042] In the present application, four test carts 2 are provided, and the opening and closing doors 9 are grouped into two, with two groups symmetrically arranged on both sides of the equipment body 1. Each test cart 2 is provided with a test device, that is, the equipment body 1 has four test devices, which can correspond to four circuit board test stations at the same time.

[0043] Furthermore, a conveying mechanism and a manipulator 8 are provided in the equipment body 1. The conveying mechanism is used to convey the circuit board, and the manipulator 8 is used to pick up and place the circuit board between the test device and the conveying mechanism. The conveying mechanism and the manipulator 8 provided in the equipment body 1 can automatically convey and take and place the circuit board, which significantly improves the degree of automation and work efficiency of the circuit board test line operation. The test cart 2 is provided with a connection structure that is detachably connected to the equipment body 1. The equipment body 1 is provided with a lock 11. The connection structure and the lock 11 cooperate to realize the locking and unlocking functions. The detachable connection structure and the lock 11 design between the test cart 2 and the equipment body 1 enhance the overall stability of the test equipment, and also provide a convenient operation method, making the installation and disassembly of the test cart 2 safer and faster.

[0044] The connection structure includes a locking tongue 12, a pedal 13 and a connecting plate 17. The locking tongue 12 is connected to one end of the connecting plate 17 and is located at the front end of the test cart 2. The pedal 13 is connected to the other end of the connecting plate 17 and is located at the rear end of the test cart 2. A spring 14 is provided at the bottom of the locking tongue 12. When the test cart 2 is pushed into the device body 1, the locking tongue 12 moves horizontally to abut against the lock buckle 11. After squeezing, the spring 14 is compressed. After the front end of the lock buckle 11 passes over the locking tongue 12, the spring 14 is reset, and the locking tongue 12 enters the lock buckle 11 to complete the locking. When unlocking, the pedal 13 is pressed down, driving one end of the connecting plate 17 to rise, and the locking tongue 12 at the other end of the connecting plate 17 descends, and the locking tongue 12 is separated from the lock buckle 11. After the test cart 2 is pulled out, the pressure is released, that is, unlocking. The connection structure adopts a linkage mechanism of the lock tongue 12, the pedal 13 and the connection plate 17, and has good self-locking and unlocking functions, which not only ensures the stability of the test cart 2 during use, but also facilitates the operator to disassemble and assemble the test cart 2, thereby improving the usability and practicality of the overall equipment.

[0045] The test device includes a test seat 5 and a shielding box 4. The shielding box 4 is detachably connected to the vehicle body 3, and the test seat 5 is detachably installed in the shielding box 4. The test device includes a detachable test seat 5 and a shielding box 4. This design facilitates replacement or upgrading of test components according to different circuit board test requirements. At the same time, the shielding box 4 can effectively prevent electromagnetic interference and ensure the accuracy of the test results.

[0046] The shielding box 4 includes a box body 16 and a box cover 15, the box cover 15 is movably connected to the box body 16, the test seat 5 is arranged in the box body 16, and the test slot 6 is arranged in the test seat 5. The shielding box 4 adopts the form of movably connecting the box body 16 and the box cover 15, so that the test seat 5 and the test slot 6 therein are easy to operate and repair, and the flexibility and adaptability of the test equipment are enhanced.

[0047] There are two test slots 6. There are two test slots 6, which can support testing two circuit boards at the same time, thereby doubling the testing efficiency of the equipment and meeting the needs of large-scale production.

[0048] The working principle of this utility model:

[0049] The device comprises a device body 1, the outer side of which is designed with at least one channel; each channel can accommodate a test cart 2 detachably connected to the device body 1, and the number of test carts 2 corresponds to the number of channels.

[0050] A vehicle body 3 and a testing device are provided in the test cart 2. The testing device is installed on the top of the vehicle body 3 and is connected to a power supply and a control terminal provided inside the vehicle body 3 through a cable for testing the circuit board.

[0051] The bottom of the vehicle body 3 is equipped with wheels 10 for easy movement, and the outer side is equipped with handles for the operator to push or pull. An opening and closing door 9 is provided on the equipment body 1, which is convenient for opening when disassembling and assembling the test cart 2, and is closed during the circuit board testing process to ensure safety and a stable test environment.

[0052] The equipment body 1 is also provided with a conveying mechanism and a manipulator 8. The conveying mechanism is responsible for conveying the circuit board, and the manipulator 8 is responsible for automatically picking up and placing the circuit board between the test device and the conveying mechanism, thereby realizing an automated test process.

[0053] The test cart 2 realizes locking and unlocking functions by means of a locking tongue 12 at the front end and a pedal 13 at the rear end in cooperation with a lock buckle 11 on the device body 1; when the device body 1 is pushed in, the locking tongue 12 is fastened to the lock buckle 11 by the force of a spring 14; when unlocking, the pedal 13 is stepped on to make the locking tongue 12 descend and disengage from the lock buckle 11, and the test cart 2 can be easily pulled out.

[0054] The test device is composed of a test seat 5 and a shielding box 4, both of which can be detachably connected to the vehicle body 3. The shielding box 4 includes a box body 16 and a movable box cover 15, the test seat 5 is installed in the box body 16, and a test slot 6 for placing a circuit board is provided in the test seat 5, and even two circuit boards can be accommodated for testing at the same time.

[0055] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the protection scope of the utility model.

Claims

1. A circuit board testing device, characterized in that: include: A device body, wherein at least one channel is provided on the outer side of the device body; at least one test cart, detachably connected to the device body, wherein the number of the test carts corresponds to the number of the channels; The test cart comprises a vehicle body and a test device, wherein the vehicle body is detachably connected to the equipment body and accommodated in the passage, and the test device is arranged on the vehicle body and is used to test the circuit board.

2. The circuit board testing device according to claim 1, characterized in that: The testing device is installed on the top of the vehicle body, a power supply and a control terminal are installed inside the vehicle body, and the testing device is connected to the power supply and the control device by wire.

3. The circuit board testing device according to claim 1, characterized in that: The bottom of the vehicle body is provided with wheels, and the outer side of the vehicle body is provided with handles.

4. The circuit board testing device according to claim 1, characterized in that: The equipment body is provided with an opening and closing door; The opening and closing door is opened when the test cart is disassembled and assembled, and the opening and closing door is closed during the circuit board testing process.

5. The circuit board testing device according to claim 1, characterized in that: A conveying mechanism and a manipulator are arranged in the main body of the equipment. The conveying mechanism is used to transport the circuit board, and the manipulator is used to pick up and place the circuit board between the testing device and the conveying mechanism.

6. The circuit board testing device according to claim 1, characterized in that: The test cart is provided with a connection structure that is detachably connected to the device body, the device body is provided with a lock, and the connection structure and the lock cooperate to achieve locking and unlocking functions.

7. The circuit board testing device according to claim 6, characterized in that: The connection structure includes a locking tongue, a pedal and a connecting plate, wherein the locking tongue is connected to one end of the connecting plate and is located at the front end of the test cart, the pedal is connected to the other end of the connecting plate and is located at the rear end of the test cart, and a spring is provided at the bottom of the locking tongue; When the test cart is pushed into the device body, the lock tongue moves horizontally to abut against the lock buckle, and the spring is compressed after being squeezed. After the front end of the lock buckle passes over the lock tongue, the spring is reset, and the lock tongue enters the lock buckle to complete locking; When unlocking, the pedal is pressed down, driving one end of the connecting plate to rise, and the locking tongue at the other end of the connecting plate descends, and the locking tongue is separated from the lock buckle. After the test cart is pulled out, the pressure is removed, and the unlocking is achieved.

8. The circuit board testing device according to any one of claims 1 to 7, characterized in that: The testing device comprises a testing seat and a shielding box. The shielding box is detachably connected to the vehicle body, and the testing seat is detachably installed in the shielding box.

9. The circuit board testing device according to claim 8, characterized in that: The shielding box comprises a box body and a box cover, wherein the box cover is movably connected to the box body, the test seat is arranged in the box body, and a test slot is arranged in the test seat.

10. The circuit board testing device according to claim 9, characterized in that: There are two test slots.