Circuit board testing device and equipment with replaceable connecting assembly

Abstract

The utility model discloses a circuit board testing device and equipment with a replaceable connecting assembly, and relates to the technical field of testing, an upper connecting assembly is detachably connected with a first pressing driving assembly, the first pressing driving assembly drives the upper connecting assembly to move up and down, and a carrier plate supporting assembly is used for placing a product carrier plate. The product carrier plate is used for placing a to-be-tested circuit board, and the lower connecting assembly is detachably connected with the device main body; the test port on the device main body is connected with the communication connection pin group on the reverse side of the lower connection assembly; and the first pressing driving assembly drives the upper connecting assembly to move downwards and presses the product carrier plate downwards, so that the communication connecting pin group of the upper connecting assembly and the communication connecting pin group of the lower connecting assembly are respectively connected with the test points on the front and back surfaces of the circuit board to be tested on the product carrier plate, and the test data is transmitted to the device main body. Through the design, the detection efficiency and the detection stability can be improved, and the applicability of the device is improved.

Description

Technical Field

[0001] This application relates to the field of testing technology, and in particular to a circuit board testing apparatus and device with replaceable connection components. Background Technology

[0002] With the rapid development of electronic technology, the integration and output of circuit boards are constantly increasing, which puts forward higher requirements for the quality and performance of circuit boards. As a result, circuit board defect detection technology has become a very critical technology in the electronics industry. In order to ensure the performance and reliability of electronic products, the performance testing of circuit boards has become particularly important.

[0003] Traditional manual testing methods are inefficient and prone to errors, resulting in poor testing stability. Furthermore, different devices are required when testing different types of circuit boards, making them less versatile. Utility Model Content

[0004] The purpose of this application is to provide a circuit board testing device and equipment with replaceable connection components, which improves testing efficiency and stability, as well as the applicability of the device.

[0005] This application discloses a circuit board testing device with replaceable connection components, including a device body, a first pressing drive component, an upper connection component, a carrier board support component, and a lower connection component; the first pressing drive component is connected to the device body, and the upper connection component is detachably connected to the first pressing drive component, the first pressing drive component driving the upper connection component to move up and down; the carrier board support component is connected to the device body, the carrier board support component is used to place a product carrier board, and the product carrier board is used to place the circuit board to be tested;

[0006] The lower connecting component is detachably connected to the main body of the device, and the lower connecting component is located below the upper connecting component. The carrier plate support component is located between the upper connecting component and the lower connecting component.

[0007] The main body of the device is provided with a test port, and the lower connecting component is provided with communication connection pin groups on both sides. The test port on the main body of the device is connected to the communication connection pin groups on the back of the lower connecting component. The upper connecting component is also provided with a communication connection pin group on the side close to the lower connecting component.

[0008] The first downward driving component drives the upper connecting component to move downward and presses down on the product carrier board, so that the communication connection pin group of the upper connecting component and the communication connection pin group on the lower connecting component are respectively connected to the test points on the front and back sides of the circuit board to be tested on the product carrier board, and the test data is transmitted to the main body of the device.

[0009] Optionally, the main body of the device includes an upper plate, a support rod, and a lower plate. The upper plate and the lower plate are arranged opposite to each other. The two ends of the support rod are respectively connected to the upper plate and the lower plate. The test port is located on the side of the lower plate near the lower connecting assembly. The first pressing drive assembly is connected to the side of the upper plate near the lower plate. The carrier plate support assembly and the lower connecting assembly are both connected to the side of the lower plate near the upper plate.

[0010] Optionally, the circuit board testing device that can replace the connection component further includes a second pressure drive component, which is connected to the lower plate body and is used to drive the lower connection component to move up and down.

[0011] Optionally, the second pressing drive assembly includes two pressing frames, two L-shaped limiting plates, and four second pressing drive components. The two ends of the pressing frames are respectively connected to the lower plate body through two second pressing drive components. The second pressing drive components are used to drive the pressing frames to move up and down. The two pressing frames are arranged in parallel and located above the lower connecting assembly. The two ends of the two L-shaped limiting plates are respectively connected to the two pressing frames. The two L-shaped limiting plates are arranged in parallel and perpendicular to the pressing frames. A stop is provided at the rear end of the L-shaped limiting plates.

[0012] The lower connecting component has its two sides abutting against the L-shaped limiting plate, which supports the lower connecting component. The rear side of the lower connecting component abuts against the stop block. The lower connecting component can be pulled out from the L-shaped limiting plate.

[0013] Optionally, the second pressing drive assembly includes a second pressing drive motor, a second pressing threaded rod, a second pressing limit rod, and a fixing block. One end of the second pressing threaded rod is connected to the lower plate, and the other end passes through the pressing frame and is connected to the fixing block. The second pressing drive motor is connected to the fixing block. One end of the second pressing threaded rod is connected to the output end of the second pressing drive motor, and the second pressing threaded rod is threadedly connected to the pressing frame. By driving the second pressing threaded rod to rotate, the pressing frame is driven to move up and down.

[0014] Optionally, the lower connecting component has two pull-out grooves on its front side.

[0015] Optionally, the first downward driving component includes a left downward driving component, a right downward driving component, and a first downward driving motor. The left downward driving component, the right downward driving component, and the first downward driving motor are all connected to the upper plate. The first downward driving motor simultaneously drives the left downward driving component and the right downward driving component to work.

[0016] The left and right sides of the upper connecting component are respectively connected to the left lower pressing drive component and the right lower pressing drive component. The left lower pressing drive component and the right lower pressing drive component work synchronously to drive the upper connecting component to press down horizontally and press down the product carrier board.

[0017] Optionally, the first downward pressure drive assembly further includes a limiting plate, and the left downward pressure drive assembly includes a left L-shaped plate, a left slide rail, a left vertical screw, a left U-shaped slider, and a left limiting fixing plate;

[0018] The top of the left L-shaped plate is connected to the upper plate. The left slide rail is set on the L-shaped plate, and the length direction of the left slide rail is vertical. The inner wall of the left U-shaped slider is slidably connected to the left slide rail. The left limiting fixing plate is connected to the left U-shaped slider. The top end of the left vertical screw passes through the upper plate, and the bottom end passes through the left U-shaped slider and is connected to the L-shaped plate. The left vertical screw is threadedly connected to the left U-shaped slider. The rotation of the left vertical screw drives the left U-shaped slider to move up and down, and drives the left limiting fixing plate to move up and down.

[0019] The right downward pressure drive assembly includes a right L-shaped plate, a right slide rail, a right vertical screw, a right U-shaped slider, and a right limiting and fixing plate;

[0020] The top of the right L-shaped plate is connected to the upper plate. The right slide rail is set on the L-shaped plate, and the length direction of the right slide rail is vertical. The inner wall of the right U-shaped slider is slidably connected to the right slide rail. The right limiting fixing plate is connected to the right U-shaped slider. The top end of the right vertical screw passes through the upper plate, and the bottom end passes through the right U-shaped slider and is connected to the L-shaped plate. The right vertical screw is threadedly connected to the right U-shaped slider. The rotation of the right vertical screw drives the right U-shaped slider to move up and down, and drives the right limiting fixing plate to move up and down.

[0021] The two ends of the limiting plate are respectively connected to the left limiting fixing plate and the right limiting fixing plate. The left and right sides of the upper connecting component abut against the left limiting fixing plate and the right limiting fixing plate respectively. The rear side of the upper connecting component abuts against the limiting plate. The upper connecting component can be pulled out from the left limiting fixing plate and the right limiting fixing plate.

[0022] Optionally, the front side of the upper connecting component is provided with two pull-out rings.

[0023] This application also discloses a circuit board testing device, which includes a control host and a circuit board testing device with replaceable connection components. The control host is connected to the circuit board testing device with replaceable connection components and is used to drive the circuit board testing device with replaceable connection components to work.

[0024] Compared to existing methods that rely on manual inspection of circuit boards, this application uses a circuit board testing device with replaceable connecting components to inspect the circuit boards, which improves inspection efficiency and avoids inspection failures caused by instability due to manual operation. Furthermore, the upper connecting component is detachably connected to the first lower driving component, and the lower connecting component is detachably connected to the main body of the device. This allows for testing of circuit boards of different sizes and models by simply replacing the corresponding upper and lower connecting components, thus improving the applicability of the device. Attached Figure Description

[0025] The accompanying drawings, which form part of the specification, are used to provide a further understanding of the embodiments of this application and illustrate the implementation methods of this application, together with the textual description, to explain the principles of this application. Obviously, the drawings described below are merely some embodiments of this application, and those skilled in the art can obtain other drawings based on these drawings without creative effort. In the drawings:

[0026] Figure 1 This is a schematic diagram of a circuit board testing device according to an embodiment of this application;

[0027] Figure 2 This is a schematic diagram of a circuit board testing device with replaceable connection components according to an embodiment of this application;

[0028] Figure 3 This is a schematic diagram of a device body and a second pressure drive assembly according to an embodiment of this application;

[0029] Figure 4 This is a schematic diagram of a second downward driving component and a downward connecting component according to an embodiment of this application;

[0030] Figure 5 This is a schematic diagram of a left-downward pressure driving component according to an embodiment of this application;

[0031] Figure 6 This is a schematic diagram of a right-down pressure driving component according to an embodiment of this application;

[0032] Figure 7 This is a schematic diagram of an upper connection component and a first lower pressure drive component according to an embodiment of this application;

[0033] Figure 8 This is a schematic diagram of a carrier plate support assembly according to an embodiment of this application.

[0034] Among them, 10 is a circuit board testing device; 20 is a control host; 30 is a circuit board testing device with replaceable connecting components; 100 is the main body of the device; 110 is an upper plate; 120 is a support rod; 130 is a lower plate; 200 is a first downward pressure drive assembly; 210 is a left downward pressure drive assembly; 211 is a left L-shaped plate; 212 is a left slide rail; 213 is a left vertical screw; 214 is a left U-shaped slider; 215 is a left limit fixing plate; 220 is a right downward pressure drive assembly; 221 is a right L-shaped plate; 222 is a right slide rail; 223 is a right vertical screw; 224 is a right U-shaped slider; 225 is a right limit fixing plate; 230 is a first downward pressure drive motor; 240 is a limit plate; and 300 is an upper connecting assembly. 310. Pull-out ring; 400. Carrier plate support assembly; 410. Front crossbar; 420. Rear crossbar; 430. Elastic assembly; 431. Lower slider; 432. Connecting post; 433. Return spring; 434. Upper top block; 435. Crossbar connecting block; 500. Second downward pressure drive assembly; 510. Downward pressure frame; 520. L-shaped limiting plate; 530. Second downward pressure drive assembly; 531. Second downward pressure drive motor; 532. Second downward pressure threaded rod; 533. Second downward pressure limiting rod; 534. Fixing block; 600. Lower connecting assembly; 610. Pull-out groove; 710. Product carrier plate; 720. Circuit board to be tested; 810. Test port; 820. Communication connection pin group. Detailed Implementation

[0035] It should be understood that the terminology, specific structural and functional details used herein are merely for describing particular embodiments and are representative. However, this application may be implemented in many alternative forms and should not be construed as being limited to the embodiments set forth herein.

[0036] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating relative importance or implying the number of technical features indicated. Therefore, unless otherwise stated, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; "multiple" means two or more. The term "comprising" and any variations thereof mean non-exclusive inclusion, where one or more other features, integers, steps, operations, units, components, and / or combinations thereof may be present or added.

[0037] In addition, terms such as “center,” “horizontal,” “up,” “down,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer” that indicate orientation or positional relationship are based on the orientation or relative positional relationship shown in the accompanying drawings. They are only for the purpose of simplifying the description of this application and do not indicate that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0038] Furthermore, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium, or internal connections between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0039] The present application will now be described in detail with reference to the accompanying drawings and optional embodiments.

[0040] Figure 1 This is a schematic diagram of a circuit board testing device according to an embodiment of this application, as shown below. Figure 1 As shown, this application discloses a circuit board testing device 10, which includes a control host 20 and a circuit board testing device 30 with replaceable connection components. The control host 20 is connected to the circuit board testing device 30 with replaceable connection components and is used to drive the circuit board testing device 30 with replaceable connection components to work.

[0041] The control host 20 includes a computer host, etc. This application mainly improves the circuit board testing device 30 with replaceable connection components to make it suitable for the circuit board testing equipment 10 described above. The specific design is as follows:

[0042] Figure 2 This is a schematic diagram of a circuit board testing device with replaceable connection components according to an embodiment of this application, as shown below. Figure 2 As shown, this application discloses a circuit board testing device 30 with replaceable connection components, including a device body 100, a first pressing drive component 200, an upper connection component 300, a carrier board support component 400, and a lower connection component 600; the first pressing drive component 200 is connected to the device body 100, and the upper connection component 300 is detachably connected to the first pressing drive component 200, and the first pressing drive component 200 drives the upper connection component 300 to move up and down; the carrier board support component 400 is connected to the device body 100, and the carrier board support component 400 is used to place a product carrier board 710, and the product carrier board 710 is used to place a circuit board 720 to be tested.

[0043] The lower connecting component 600 is detachably connected to the device body 100, and the lower connecting component 600 is located below the upper connecting component 300. The carrier plate support component 400 is located between the upper connecting component 300 and the lower connecting component 600.

[0044] The device body 100 is provided with a test port 810, and the lower connecting component 600 is provided with communication connection pin groups 820 on both sides. The test port 810 on the device body 100 is connected to the communication connection pin group 820 on the back of the lower connecting component 600. The upper connecting component 300 is also provided with a communication connection pin group 820 on the side close to the lower connecting component 600.

[0045] The first downward driving component 200 drives the upper connecting component 300 to move downward and presses down the product carrier board 710, so that the communication connection pin group 820 of the upper connecting component 300 and the communication connection pin group 820 on the lower connecting component 600 are respectively connected to the test points on the front and back sides of the circuit board 720 to be tested on the product carrier board 710, and the test data is transmitted to the device body 100.

[0046] For example, when the circuit board 720 to be tested needs to be tested, the circuit board 720 to be tested is placed on the product carrier board 710, the product carrier board 710 is placed on the carrier board support assembly 400, the upper connection assembly 300 matching the circuit board 720 to be tested is installed on the first pressure drive assembly 200, and the lower connection assembly 600 matching the circuit board 720 to be tested is installed on the device body 100.

[0047] Then, the first pressing drive component 200 presses down the upper connecting component 300, causing the upper connecting component 300 to abut against the carrier board support component 400. The communication connection pin group 820 on the upper connecting component 300 contacts the test points on the front side of the circuit board 720 under test. The carrier board support component 400 is then pressed down, causing the product carrier board 710 to move downwards together, so that the communication connection pin group 820 on the lower connecting component 600 contacts the test points on the back side of the circuit board 720 under test. The upper connecting component 300 and the lower connecting component 600 are communicatively connected, and the lower connecting component 600 is communicatively connected to the device body 100. Test data of the circuit board 720 under test is acquired and transmitted to the device body 100 through the upper connecting component 300 and the lower connecting component 600 to complete the testing of the circuit board 720 under test.

[0048] Furthermore, multiple circuit boards 720 to be tested can be placed on a product carrier board 710. For example, 28 circuit boards 720 to be tested are placed on the product carrier board 710 of this application. Correspondingly, 28 sets of communication connection pin groups 820 are also provided on the upper connection component 300 and the lower connection component 600 to test the 28 circuit boards 720 to be tested at the same time.

[0049] Compared to existing solutions that use manual inspection of the circuit board 720 to be tested, this application uses a circuit board testing device 30 with replaceable connecting components to inspect the circuit board 720 to be tested, which can improve inspection efficiency and avoid inspection failures caused by instability due to manual operation.

[0050] Furthermore, the upper connecting component 300 and the first lower driving component 200 are detachably connected, and the lower connecting component 600 and the main body 100 of the device are also detachably connected. Thus, when testing circuit boards 720 of different models and sizes, only the corresponding upper connecting component 300 and lower connecting component 600 need to be replaced, which improves the applicability of the device.

[0051] Figure 3 This is a schematic diagram of a device body and a second downward pressure drive assembly according to an embodiment of this application, in conjunction with... Figures 2-3 As shown, the main body 100 of the device includes an upper plate 110, a support rod 120, and a lower plate 130. The upper plate 110 and the lower plate 130 are arranged opposite to each other. The two ends of the support rod 120 are respectively connected to the upper plate 110 and the lower plate 130. The test port 810 is located on the side of the lower plate 130 near the lower connecting assembly 600. The first pressing drive assembly 200 is connected to the side of the upper plate 110 near the lower plate 130. The carrier plate support assembly 400 and the lower connecting assembly 600 are both connected to the side of the lower plate 130 near the upper plate 110.

[0052] The circuit board testing device 30 with replaceable connection components also includes a second pressure drive component 500, which is connected to the lower plate 130 and is used to drive the lower connection component 600 to move up and down.

[0053] By setting the second pressure drive component 500, the lower connection component 600 can be stably connected to the lower plate 130, avoiding the situation where the test port 810 on the lower plate 130 and the communication connection pin group 820 on the lower connection component 600 are disconnected, which would lead to test failure.

[0054] Figure 4 This is a schematic diagram of a second downward pressure driving component and a downward connection component according to an embodiment of this application, in conjunction with... Figure 4As shown, the second pressing drive assembly 500 includes two pressing frames 510, two L-shaped limiting plates 520, and four second pressing drive components 530. The two ends of the pressing frames 510 are respectively connected to the lower plate body 130 through the two second pressing drive components 530. The second pressing drive components 530 are used to drive the pressing frames 510 to move up and down. The two pressing frames 510 are arranged in parallel and located above the lower connecting assembly 600. The two ends of the two L-shaped limiting plates 520 are respectively connected to the two pressing frames 510. The two L-shaped limiting plates 520 are arranged in parallel and perpendicular to the pressing frames 510. A stop is provided at the rear end of the L-shaped limiting plate 520.

[0055] The lower connecting component 600 has its two sides abutting against the L-shaped limiting plate 520, which supports the lower connecting component 600. The rear side of the lower connecting component 600 abuts against the stop block. The lower connecting component 600 can be pulled out of the L-shaped limiting plate 520.

[0056] This application uses the downward movement of the pressing frame 510 to press the lower connecting component 600 onto the lower plate 130. Two L-shaped limiting plates 520 support the left and right sides of the lower connecting component 600. The upward movement of the two L-shaped limiting plates 520 allows the lower connecting component 600 to detach from the lower plate 130. Then, a stop is set at the rear end of the L-shaped limiting plates 520. This ensures that the lower connecting component 600 can be pulled out and pulled on the two L-shaped limiting plates 520. Moreover, the stop also positions the lower connecting component 600, preventing it from failing to align and connect with the lower plate 130.

[0057] Furthermore, the lower connecting component 600 is provided with two pull-out grooves 610 on its front side, which makes it easier to remove and put down the lower connecting component 600.

[0058] The second pressing drive assembly 530 includes a second pressing drive motor 531, a second pressing threaded rod 532, a second pressing limit rod 533, and a fixing block 534. One end of the second pressing threaded rod 532 is connected to the lower plate 130, and the other end passes through the pressing frame 510 and is connected to the fixing block 534. The second pressing drive motor 531 is connected to the fixing block 534. One end of the second pressing threaded rod 532 is connected to the output end of the second pressing drive motor 531, and the second pressing threaded rod 532 is threadedly connected to the pressing frame 510. By driving the second pressing threaded rod 532 to rotate, the pressing frame 510 is driven to move up and down.

[0059] By providing second pressing drive components 530 on both the left and right sides of the pressing frame 510, the pressing frame 510 can move smoothly up and down. Moreover, the second pressing drive components 530 are threadedly connected to the pressing frame 510 by a second pressing threaded rod 532. By driving the rotation of the second pressing threaded rod 532, the pressing frame 510 can be driven to move up and down, which can ensure the accuracy of the moving distance of the pressing frame 510.

[0060] Figure 5 This is a schematic diagram of a left-downward pressure driving component according to an embodiment of this application. Figure 6 This is a schematic diagram of a right-down pressure driving component according to an embodiment of this application. Figure 7 This is a schematic diagram of an upper connection component and a first lower pressure drive component according to an embodiment of this application, in conjunction with... Figures 5-7 As shown, the first downward pressure drive assembly 200 includes a left downward pressure drive assembly 210, a right downward pressure drive assembly 220, and a first downward pressure drive motor 230. The left downward pressure drive assembly 210, the right downward pressure drive assembly 220, and the first downward pressure drive motor 230 are all connected to the upper plate 110. The first downward pressure drive motor 230 simultaneously drives the left downward pressure drive assembly 210 and the right downward pressure drive assembly 220 to work.

[0061] The left and right sides of the upper connecting component 300 are respectively connected to the left lower pressing drive component 210 and the right lower pressing drive component 220. The left lower pressing drive component 210 and the right lower pressing drive component 220 work synchronously to drive the upper connecting component 300 to press down horizontally and press down the product carrier plate 710.

[0062] By simultaneously setting the left-side pressure drive component 210 and the right-side pressure drive component 220 to press down on the upper connecting component 300 from both sides, it is possible to avoid the situation where only a single pressure drive component causes the product carrier board 710 to tilt and the circuit board under test 720 to fall off the product carrier board 710 and be damaged, thereby improving the reliability of the device.

[0063] The first downward pressure drive assembly 200 also includes a limiting plate 240, and the left downward pressure drive assembly 210 includes a left L-shaped plate 211, a left slide rail 212, a left vertical screw 213, a left U-shaped slider 214, and a left limiting fixing plate 215.

[0064] The top of the left L-shaped plate 211 is connected to the upper plate 110. The left slide rail 212 is disposed on the L-shaped plate, and the length direction of the left slide rail 212 is vertical. The inner wall of the left U-shaped slider 214 is slidably connected to the left slide rail 212. The left limiting fixing plate 215 is connected to the left U-shaped slider 214. The top end of the left vertical screw 213 passes through the upper plate 110, and the bottom end passes through the left U-shaped slider 214 and is connected to the L-shaped plate. The left vertical screw 213 is threadedly connected to the left U-shaped slider 214. The rotation of the left vertical screw 213 drives the left U-shaped slider 214 to move up and down, thereby driving the left limiting fixing plate 215 to move up and down.

[0065] The right downward pressure drive assembly 220 includes a right L-shaped plate 221, a right slide rail 222, a right vertical screw 223, a right U-shaped slider 224, and a right limiting and fixing plate 225.

[0066] The top of the right L-shaped plate 221 is connected to the upper plate 110. The right slide rail 222 is disposed on the L-shaped plate, and the length direction of the right slide rail 222 is vertical. The inner wall of the right U-shaped slider 224 is slidably connected to the right slide rail 222. The right limiting fixing plate 225 is connected to the right U-shaped slider 224. The top end of the right vertical screw 223 passes through the upper plate 110, and the bottom end passes through the right U-shaped slider 224 and is connected to the L-shaped plate. The right vertical screw 223 is threadedly connected to the right U-shaped slider 224. The rotation of the right vertical screw 223 drives the right U-shaped slider 224 to move up and down, which in turn drives the right limiting fixing plate 225 to move up and down.

[0067] The two ends of the limiting plate 240 are respectively connected to the left limiting fixing plate 215 and the right limiting fixing plate 225. The left and right sides of the upper connecting component 300 abut against the left limiting fixing plate 215 and the right limiting fixing plate 225 respectively. The rear side of the upper connecting component 300 abuts against the limiting plate 240. The upper connecting component 300 can be pulled out from the left limiting fixing plate 215 and the right limiting fixing plate 225.

[0068] By setting limiting plates 240 on the left limiting fixing plate 215 and the right limiting fixing plate 225, the upper connecting component 300 is positioned, allowing the upper connecting component 300 to be pulled out from the left limiting fixing plate 215 and the right limiting fixing plate 225. This makes it easier to remove the upper connecting component 300 from the first pressing drive component 200 and avoids the upper connecting component 300 failing to align and connect with the product carrier plate 710.

[0069] Furthermore, the upper connecting component 300 is provided with two pull-out rings 310 on its front side, which makes it easier to pick up and put down the upper connecting component 300.

[0070] The upper connecting assembly 300 is driven to move up and down by means of a left vertical screw 213 threadedly connected to the left U-shaped slider 214, and a right vertical screw 223 threadedly connected to the right U-shaped slider 224. In this way, the left U-shaped slider 214 and the right U-shaped slider 224 can support the heavier upper connecting assembly 300, improving the stability of the upper connecting assembly 300, and allowing for more precise control over the distance of the upper connecting assembly 300's up and down movement.

[0071] Figure 8 This is a schematic diagram of a carrier plate support assembly according to an embodiment of this application, as shown below. Figure 8 As shown, the carrier plate support assembly 400 includes a front crossbar 410, a rear crossbar 420, and four elastic couplings 430. The two ends of the front crossbar are respectively connected to the lower plate body 130 through two of the elastic couplings 430, and the two ends of the rear crossbar are respectively connected to the lower plate body 130 through the other two elastic couplings 430.

[0072] The elastic assembly 430 includes a lower slider 431, a connecting post 432, a return spring 433, an upper block 434, and a crossbar connecting block 435. The lower slider 431 is disposed on the lower plate 130. The crossbar connecting block 435 is located between the lower slider 431 and the upper block 434. One end of the connecting post 432 is connected to the side of the slider away from the lower plate 130, and the other end passes through the crossbar connecting block 435 and is connected to the upper block 434. The return spring 433 is sleeved on the connecting post 432, and both ends of the return spring 433 abut against the lower slider 431 and the crossbar connecting block 435, respectively.

[0073] The front crossbar 410 is connected to the crossbar connecting block 435 of the elastic assembly 430, and the rear crossbar 420 is also connected to the crossbar connecting block 435 of the elastic assembly 430; the two sides of the product carrier plate 710 are respectively placed on the front crossbar 410 and the rear crossbar 420.

[0074] When the upper connecting assembly 300 moves downward and presses down on the product carrier plate 710 and the carrier plate support assembly 400, the front crossbar 410 and the rear crossbar 420 drive the crossbar connecting block 435 to press down on the return spring 433. The front crossbar 410, the rear crossbar 420, the crossbar connecting block 435, and the product carrier plate 710 move downward together. When the upper connecting assembly 300 moves upward, the return spring 433 resets, and the front crossbar 410, the rear crossbar 420, the crossbar connecting block 435, and the product carrier plate 710 move upward together.

[0075] The connecting post 432 serves to prevent the horizontal displacement of the crossbar connecting block 435 from causing misalignment between the upper connecting assembly 300 and the circuit board 720 to be tested on the product carrier 710.

[0076] It should be noted that the inventive concept of this application can form many embodiments, but due to the limited space of the application documents, they cannot all be listed. Therefore, without conflict, the embodiments described above or the technical features can be arbitrarily combined to form new embodiments. After the embodiments or technical features are combined, the original technical effect will be enhanced.

[0077] The above description, in conjunction with specific optional embodiments, provides a further detailed explanation of this application and should not be construed as limiting the specific implementation of this application to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of this application, and all such modifications or substitutions should be considered within the scope of protection of this application.

Claims

1. A circuit board testing device with replaceable connection components, characterized in that, The device includes a main body, a first downward driving component, an upper connecting component, a carrier plate support component, and a lower connecting component. The first downward driving component is connected to the main body, and the upper connecting component is detachably connected to the first downward driving component. The first downward driving component drives the upper connecting component to move up and down. The carrier plate support component is connected to the main body and is used to place a product carrier plate, which is used to place a circuit board to be tested. The lower connecting component is detachably connected to the main body of the device, and the lower connecting component is located below the upper connecting component. The carrier plate support component is located between the upper connecting component and the lower connecting component. The main body of the device is provided with a test port, and the lower connecting component is provided with communication connection pin groups on both sides. The test port on the main body of the device is connected to the communication connection pin groups on the back of the lower connecting component. The upper connecting component is also provided with a communication connection pin group on the side close to the lower connecting component. The first downward driving component drives the upper connecting component to move downward and presses down on the product carrier board, so that the communication connection pin group of the upper connecting component and the communication connection pin group on the lower connecting component are respectively connected to the test points on the front and back sides of the circuit board to be tested on the product carrier board, and the test data is transmitted to the main body of the device.

2. The circuit board testing device with replaceable connection components according to claim 1, characterized in that, The main body of the device includes an upper plate, a support rod, and a lower plate. The upper plate and the lower plate are arranged opposite to each other. The two ends of the support rod are respectively connected to the upper plate and the lower plate. The test port is located on the side of the lower plate near the lower connecting assembly. The first pressing drive assembly is connected to the side of the upper plate near the lower plate. The carrier plate support assembly and the lower connecting assembly are both connected to the side of the lower plate near the upper plate.

3. The circuit board testing device with replaceable connection components according to claim 2, characterized in that, The circuit board testing device that can replace the connection component also includes a second pressure drive component, which is connected to the lower plate and is used to drive the lower connection component to move up and down.

4. The circuit board testing device with replaceable connection components according to claim 3, characterized in that, The second pressing drive assembly includes two pressing frames, two L-shaped limiting plates, and four second pressing drive components. The two ends of each pressing frame are connected to the lower plate body through two second pressing drive components. The second pressing drive components are used to drive the pressing frames to move up and down. The two pressing frames are arranged in parallel and are located above the lower connecting assembly. The two ends of each L-shaped limiting plate are connected to the two pressing frames. The two L-shaped limiting plates are arranged in parallel and are perpendicular to the pressing frames. A stop is provided at the rear end of each L-shaped limiting plate. The lower connecting component has its two sides abutting against the L-shaped limiting plate, which supports the lower connecting component. The rear side of the lower connecting component abuts against the stop block. The lower connecting component can be pulled out from the L-shaped limiting plate.

5. The circuit board testing apparatus with replaceable connection components according to claim 4, characterized in that, The second pressing drive assembly includes a second pressing drive motor, a second pressing threaded rod, a second pressing limit rod, and a fixing block. One end of the second pressing threaded rod is connected to the lower plate, and the other end passes through the pressing frame and is connected to the fixing block. The second pressing drive motor is connected to the fixing block. One end of the second pressing threaded rod is connected to the output end of the second pressing drive motor, and the second pressing threaded rod is threadedly connected to the pressing frame. By driving the second pressing threaded rod to rotate, the pressing frame is driven to move up and down.

6. The circuit board testing apparatus with replaceable connection components according to claim 4, characterized in that, The lower connecting component has two pull-out grooves on its front side.

7. The circuit board testing apparatus with replaceable connection components according to claim 4, characterized in that, The first downward driving assembly includes a left downward driving assembly, a right downward driving assembly, and a first downward driving motor. The left downward driving assembly, the right downward driving assembly, and the first downward driving motor are all connected to the upper plate. The first downward driving motor simultaneously drives the left downward driving assembly and the right downward driving assembly to work. The left and right sides of the upper connecting component are respectively connected to the left lower pressing drive component and the right lower pressing drive component. The left lower pressing drive component and the right lower pressing drive component work synchronously to drive the upper connecting component to press down horizontally and press down the product carrier board.

8. The circuit board testing apparatus with replaceable connection components according to claim 7, characterized in that, The first downward pressure drive assembly also includes a limiting plate, and the left downward pressure drive assembly includes a left L-shaped plate, a left slide rail, a left vertical screw, a left U-shaped slider, and a left limiting fixing plate; The top of the left L-shaped plate is connected to the upper plate. The left slide rail is set on the L-shaped plate, and the length direction of the left slide rail is vertical. The inner wall of the left U-shaped slider is slidably connected to the left slide rail. The left limiting fixing plate is connected to the left U-shaped slider. The top end of the left vertical screw passes through the upper plate, and the bottom end passes through the left U-shaped slider and is connected to the L-shaped plate. The left vertical screw is threadedly connected to the left U-shaped slider. The rotation of the left vertical screw drives the left U-shaped slider to move up and down, and drives the left limiting fixing plate to move up and down. The right downward pressure drive assembly includes a right L-shaped plate, a right slide rail, a right vertical screw, a right U-shaped slider, and a right limiting and fixing plate; The top of the right L-shaped plate is connected to the upper plate. The right slide rail is set on the L-shaped plate, and the length direction of the right slide rail is vertical. The inner wall of the right U-shaped slider is slidably connected to the right slide rail. The right limiting fixing plate is connected to the right U-shaped slider. The top end of the right vertical screw passes through the upper plate, and the bottom end passes through the right U-shaped slider and is connected to the L-shaped plate. The right vertical screw is threadedly connected to the right U-shaped slider. The rotation of the right vertical screw drives the right U-shaped slider to move up and down, and drives the right limiting fixing plate to move up and down. The two ends of the limiting plate are respectively connected to the left limiting fixing plate and the right limiting fixing plate. The left and right sides of the upper connecting component abut against the left limiting fixing plate and the right limiting fixing plate respectively. The rear side of the upper connecting component abuts against the limiting plate. The upper connecting component can be pulled out from the left limiting fixing plate and the right limiting fixing plate.

9. The circuit board testing apparatus with replaceable connection components according to claim 8, characterized in that, Two pull-out rings are provided on the front side of the upper connecting component.

10. A circuit board testing device, characterized in that, The circuit board testing equipment includes a control host and a circuit board testing device with replaceable connection components as described in any one of claims 1-9, wherein the control host is connected to the circuit board testing device with replaceable connection components and is used to drive the circuit board testing device with replaceable connection components to work.

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