Test equipment for circuit board and butterfly laser

Abstract

The utility model discloses a test device for a circuit board and a butterfly-shaped laser, which relates to the technical field of laser test and comprises a case, and a circuit board test assembly, a butterfly-shaped laser test assembly and a control assembly are respectively integrated on the case. The circuit board test assembly and the butterfly laser test assembly are respectively connected with the control assembly. The test equipment designed by the utility model is formed by integrating the circuit board test assembly, the butterfly laser test assembly and the control assembly on the case, so that the test equipment provided by the utility model can complete the test of the circuit board and the test of the butterfly laser, the two tests can be completed on one equipment, and the integrated layout design can realize the test of the circuit board and the butterfly laser. The overall occupied space of the device is reduced, the purpose of miniaturization of the overall occupied space of the device is facilitated, and the technical problems that the circuit board and the butterfly laser are tested on two devices respectively, the testing device does not have an integrated layout design, and the overall occupied space of the device is large are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of laser testing, in particular to testing equipment for a circuit board and a butterfly laser. Background Art

[0002] The laser module product consists of two parts: a circuit board and a butterfly laser. During the production process, the circuit board and the butterfly laser need to be tested separately.

[0003] Testing of circuit boards is usually achieved by using a lifting assembly to lift a pressure plate and a detection needle. For example, Chinese patent application number CN218455726U discloses a detection jig for main control board production, comprising a bottom plate, a box body slidably mounted on the left side of the top of the bottom plate, a drive assembly fixedly mounted on the right side of the rotating disk, two sets of side panels fixedly mounted on the right side of the top of the bottom plate, a lifting assembly fixedly mounted on the left side of the placement plate, a pressure plate fixedly mounted on the bottom of the lifting assembly, a detection needle fixedly mounted on the bottom of the pressure plate, a display light fixedly mounted on the left side of the bottom plate, and support columns fixedly mounted on the four corners of the bottom of the bottom plate. The utility model uses the design of a limit assembly to limit the position of the box body, so that the box body will not shake during operation and is more stable. Through the design of the side panels, top plate, placement plate, lifting assembly, pressure plate and detection needle, when the main control board is moved to the detection range, the lifting assembly can be used to lift the pressure plate and detection needle, and then the main control board can be tested.

[0004] The test of butterfly lasers is usually carried out by pressing the laser pins and connector pins. For example, the Chinese patent with authorization announcement number CN218455726U discloses a connector for testing butterfly laser devices. By arranging multiple connector pins to be inserted into the holes on the base, and providing side panels on the sides of the base, and providing limit grooves corresponding to the positions of the holes, it is ensured that when the laser pins are inserted from the limit grooves, they abut against the upper ends of the connector pins inserted in the holes, and the laser pins and connector pins are pressed by a pin pressure plate axially connected to one end of the base. The inner side of the pin pressure plate is connected to a self-positive pressure block. During the downward pressing process of the pin pressure plate, the self-positive pressure block rotates and adjusts according to the force to ensure that the pins at each position are evenly stressed, thus avoiding damage to the laser pins due to uneven force during pressing.

[0005] The above two devices are used to test the circuit board and the butterfly laser respectively. The test equipment is relatively scattered and has no integrated layout design, resulting in a large overall space occupied by the equipment, which is not conducive to miniaturization of the overall space occupied by the equipment. Utility Model Content

[0006] In response to the deficiencies in the above-mentioned background technology, the present invention proposes a test device for a circuit board and a butterfly laser, which solves the technical problem that the tests of the circuit board and the butterfly laser are completed separately on two devices, and the test equipment has no integrated layout design, resulting in a large overall space occupied by the equipment, which is not conducive to miniaturizing the overall space occupied by the equipment.

[0007] The technical solution of the present utility model is implemented as follows: a test device for a circuit board and a butterfly laser comprises a chassis, on which a circuit board test component, a butterfly laser test component and a control component are integrated, and the circuit board test component and the butterfly laser test component are respectively connected to the control component.

[0008] Preferably, the control component includes a display screen, a PLC and a main circuit board. The display screen is arranged outside the chassis, and the PLC and the main circuit board are arranged inside the chassis. The display screen is connected to the PLC, and the PLC is connected to the main circuit board. The main circuit board is respectively connected to the circuit board test component and the butterfly laser test component.

[0009] Preferably, the circuit board test assembly includes a fixing seat arranged on the chassis, a support plate is provided on the fixing seat, a probe for detecting the circuit board is provided on the top of the support plate, a pressure plate is provided above the support plate, and the distance between the pressure plate and the support plate is adjustable.

[0010] Preferably, a fixing frame is provided on the fixing seat, a fixing sleeve is provided at one end of the fixing frame, and a handle is hinged at the other end. The fixing sleeve is arranged near one end of the pressure plate, and the top of the pressure plate is connected to a pull rod. The fixing sleeve is sleeved on the outside of the pull rod, and the top of the pull rod is hinged with a connecting frame, which is hinged to the handle.

[0011] Preferably, the connecting frame is hinged to the middle of the handle, and the end of the handle is hinged to the fixing frame.

[0012] Preferably, a guide mechanism is provided on the fixing frame, and the pressing plate is in sliding cooperation with the guide mechanism.

[0013] Preferably, two groups of the guide mechanisms are provided on the fixing frame, and the two groups of the guide mechanisms are respectively slidably matched with the two ends of the pressing plate.

[0014] Preferably, the guide mechanism includes a first connecting block and a second connecting block, and the first connecting block and the second connecting block are spaced apart along the height direction of the fixed frame. The top of the first connecting block is connected to a guide rod, and the guide rod is connected to the bottom of the second connecting block, and the guide rod is slidably fitted with the pressure plate.

[0015] Preferably, the butterfly laser test assembly includes a connecting plate, two clamping units are arranged opposite to each other on the connecting plate, and the clamping units are connected to the display screen; a heat sink is provided on the connecting plate, and the heat sink is located between the two clamping units.

[0016] Preferably, the clamping units all include a base, the base is provided with pin mounting holes, the pin mounting holes are connected with elastic pins, the elastic pins extend out of the bottom surface of the base along the pin mounting holes, and the protruding ends of the elastic pins are connected to the display screen; the pin mounting holes are provided with a fixing plate for crimping the butterfly laser pins, and the fixing plate is movably connected to the base.

[0017] Beneficial effects of the utility model:

[0018] 1. The test equipment designed in the present invention is formed by integrating a circuit board test component, a butterfly laser test component and a control component on a chassis, so that the test equipment of the present application can complete the test of the circuit board and the test of the butterfly laser, completing two tests on one device. This integrated layout design reduces the overall space occupied by the equipment, which is conducive to achieving the purpose of miniaturization of the overall space occupied by the equipment.

[0019] 2. The test equipment designed in the present invention combines the test of the circuit board and the test of the butterfly laser with each other. On the one hand, it can be judged whether the circuit board meets the requirements through the system program and the light output of the butterfly laser. On the other hand, it can be judged whether the butterfly laser meets the requirements through the signal transmitted by the probe and the light output of the butterfly laser. By integrating these two test structure systems, both the circuit board and the butterfly laser can be tested, which greatly improves the applicability of the test equipment of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 It is a three-dimensional diagram of the present utility model.

[0022] Figure 2 This is a three-dimensional diagram of the circuit board test assembly of the present invention.

[0023] Figure 3 This is a three-dimensional diagram of the butterfly laser test assembly of the present invention.

[0024] Figure 4 This is a three-dimensional diagram of the clamping unit of the present invention.

[0025] In the figure, 1 is a chassis, 2 is a circuit board test assembly, 3 is a butterfly laser test assembly, 4 is a control assembly, 5 is a display screen, 6 is a pressure plate, 7 is a support plate, 8 is a probe, 9 is a fixing seat, 10 is a fixing frame, 11 is a fixing sleeve, 12 is a handle, 13 is a pull rod, 14 is a first connecting block, 15 is a second connecting block, 16 is a guide rod, 17 is a connecting plate, 18 is a clamping unit, 19 is a base, 20 is a pin mounting hole, 21 is an elastic pin, 22 is a fixing plate, 23 is a heat sink, 24 is a connecting frame, and 25 is a locking block. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] Example 1, a test device for a circuit board and a butterfly laser, such as Figure 1 、 Figure 2 and Figure 3 As shown, it includes a chassis 1, on which a circuit board test component 2, a butterfly laser test component 3 and a control component 4 are integrated. The circuit board test component 2 and the butterfly laser test component 3 are respectively connected to the control component 4. The test equipment designed in this utility model is formed by integrating the circuit board test component 2, the butterfly laser test component 3 and the control component 4 on the chassis 1, so that the test equipment of this application can complete the circuit board test and the butterfly laser test, completing two tests on a single device. This integrated layout design reduces the overall space occupied by the device, which is conducive to achieving the purpose of miniaturization of the overall space occupied by the device.

[0028] The test equipment designed in the present invention combines the test of the circuit board with the test of the butterfly laser. On the one hand, it can judge whether the circuit board meets the requirements through the system program and the light output of the butterfly laser. On the other hand, it can judge whether the butterfly laser meets the requirements through the signal transmitted by the probe and the light output of the butterfly laser. The two test structure systems are integrated together, which can test both the circuit board and the butterfly laser, greatly improving the applicability of the test equipment of the present application.

[0029] Example 2, based on Example 1, a circuit board and butterfly laser testing equipment, such as Figure 1As shown, the control component 4 includes a display screen 5, a PLC, and a main circuit board. The display screen 5 is arranged outside the chassis 1, and the PLC and the main circuit board are arranged inside the chassis 1. The display screen 5 is connected to the PLC, and the PLC is connected to the main circuit board. The main circuit board is respectively connected to the circuit board test component 2 and the butterfly laser test component 3. In other words, the display screen 5 can realize the operation control of the circuit board test component 2 and the butterfly laser test component 3 through the main circuit board.

[0030] Preferably, the display screen 5 is a touch display screen. After the touch display screen is used on the test device of the present application, the test declaration of the present application can realize the operation of the entire device by lightly touching the icons or text on the screen with a finger, getting rid of keyboard and mouse operations, making human-computer interaction more straightforward.

[0031] Among them, the chassis 1 is provided with a power interface and a communication interface. The power interface is externally connected to the power line to provide power to the entire device, and the power interface is internally connected to the main circuit board and PLC respectively to supply power to the main circuit board and PLC; the outside of the communication interface is connected to the circuit board test component 2 and the butterfly laser test component 3 through the communication line respectively; the circuit board test component 2 and the butterfly laser test component 3 are connected through the adapter of the main circuit board.

[0032] Example 3, based on Example 2, a circuit board and butterfly laser testing equipment, such as Figure 1 and Figure 2 As shown, the circuit board test assembly 2 includes a fixing base 9 provided on the chassis 1, a support plate 7 provided on the fixing base 9, a probe 8 for detecting the circuit board provided on the top of the support plate 7, and a pressure plate 6 provided above the support plate 7. The distance between the pressure plate 6 and the support plate 7 is adjustable. When testing the circuit board, the circuit board is placed on the support plate 7, and the position of the pressure plate 6 is adjusted so that the pressure plate 6 presses the circuit board against the support plate 7, achieving a close fit between the circuit board and the probe 8, thereby achieving electrical connection between the probe 8 and the circuit board to transmit relevant signals to the PLC and display them on the display screen 5.

[0033] The probe 8 is connected to the communication interface on the chassis 1, and the relevant information of the circuit board under test is transmitted to the PLC in the chassis 1 through the communication interface, and the PLC processes the relevant parameter information.

[0034] Example 4, based on Example 3, a circuit board and butterfly laser testing equipment, such as Figure 2As shown, a fixing frame 10 is provided on the fixing seat 9, a fixing sleeve 11 is provided at one end of the fixing frame 10, and a handle 12 is hinged at the other end. The fixing sleeve 11 is provided near one end of the pressure plate 6. A pull rod 13 is connected to the top of the pressure plate 6. The fixing sleeve 11 is sleeved on the outside of the pull rod 13. A connecting frame 24 is hinged at the top of the pull rod 13, and the connecting frame 24 is hinged to the handle 12. By rotating the handle 12, the pull rod 13 is driven to move axially along the fixing sleeve 11, thereby realizing the lifting and lowering of the pull rod 13, and then realizing the lifting and lowering of the pressure plate 6.

[0035] Example 5, based on Example 4, a circuit board and butterfly laser testing equipment, such as Figure 2 As shown, the connecting frame 24 is hinged to the middle portion of the handle 12, and the end portion of the handle 12 is hinged to the fixing frame 10. The end portion of the handle 12 is hinged to the fixing frame 10 to form a hinge point, allowing the handle 12 to rotate around the hinged position with the fixing frame 10; the middle portion of the handle 12 is hinged to the connecting frame 24, and the connecting frame 24 is hinged to the pull rod 13. The rotation of the handle 12 drives the pull rod 13 to rise and fall; the hinged connection between the middle portion of the handle 12 and the connecting frame 24 greatly reduces the force applied to the handle 12 when the pull rod 13 is raised or lowered.

[0036] Example 6, based on Example 5, a circuit board and butterfly laser testing equipment, such as Figure 1 and Figure 2 As shown, the fixing frame 10 is provided with a guide mechanism, and the pressing plate 6 is slidably matched with the guide mechanism. The setting of the guide mechanism makes the lifting and lowering of the pressing plate 6 more stable, which is conducive to ensuring that the pressing plate 6 presses the circuit board evenly.

[0037] Example 7, based on Example 6, a circuit board and butterfly laser testing equipment, such as Figure 1 and Figure 2 As shown, two sets of guide mechanisms are provided on the fixing frame 10, and the two sets of guide mechanisms are respectively slidably engaged with the two ends of the pressing plate 6. The provision of two sets of guide mechanisms greatly ensures the stability of the sliding engagement between the pressing plate 6 and the guide mechanisms on the fixing frame 10, and avoids the situation where a single set of guide mechanisms is prone to loss of alignment accuracy when subjected to lateral pressure.

[0038] Example 8, based on Example 7, a circuit board and butterfly laser testing equipment, such as Figure 1 and Figure 2As shown, the guide mechanism includes a first connecting block 14 and a second connecting block 15, which are spaced apart along the height direction of the fixing frame 10. A guide rod 16 is connected to the top of the first connecting block 14, and the guide rod 16 is connected to the bottom of the second connecting block 15. The guide rod 16 slides with the pressure plate 6. The first connecting block 14 and the second connecting block 15 are spaced apart along the height direction of the fixing frame 10. When the pressure plate 6 is raised or lowered along the guide rod 16, the pressure plate 6 is raised or lowered along the height direction of the fixing frame 10, thereby achieving an adjustable spacing between the pressure plate 6 and the support plate 7.

[0039] Example 9, based on any one of Examples 2 to 8, a circuit board and butterfly laser testing device, such as Figure 1 、 Figure 3 and Figure 4 As shown, the butterfly laser test assembly includes a connecting plate 17, on which two clamping units 18 are arranged opposite each other. The clamping units 18 are connected to the display screen 5. A heat sink 23 is provided on the connecting plate 17, and the heat sink 23 is located between the two clamping units 18. The provision of the heat sink 23 allows the butterfly laser to dissipate heat quickly when the test fixture is testing the butterfly laser, ensuring that the test fixture is not affected by temperature increases.

[0040] Example 10, based on Example 9, a test device for a circuit board and a butterfly laser, such as Figure 3 and Figure 4 As shown, the clamping unit 18 includes a base 19, which is provided with a pin mounting hole 20. The pin mounting hole 20 is connected to an elastic pin 21. The elastic pin 21 extends out of the bottom surface of the base 19 along the pin mounting hole 20, and the extended end of the elastic pin 21 is connected to the display screen 5. The pin mounting hole 20 is provided with a fixing plate 22 for crimping the butterfly laser pin, and the fixing plate 22 is movably connected to the base 19. The elastic pin 21 refers to a pin that can undergo a certain degree of elastic deformation. On the one hand, the provision of the elastic pin 21 is to connect the control circuit board with the pin of the butterfly laser. On the other hand, the elastic pin 21 has a certain degree of elasticity, which prevents the pin from breaking easily when the fixing plate 22 is crimped, further ensuring the electrical connection.

[0041] The fixed plate 22 is movably connected to the base 19. This means that one end of the base 19 is hingedly connected to the fixed plate 22, and the other end is provided with a locking block 25. When the fixed plate 22 is rotated toward the locking block 25 and presses the butterfly laser pins, the fixed plate 22 is clamped by the locking block 25. Specifically, by rotating the fixed plate 22, the butterfly laser pins are pressed and connected to the elastic pins 21. The locking block 25 then maintains the fixed plate 22 in this state of compression. The locking block 25 is L-shaped and rotatably mounted on the base 19. The locking block 25 can be rotated to adjust its position, thereby adjusting whether the locking block 25 is clamped to the fixed plate 22. The locking block 25 is L-shaped, with one end rotatably connected to the base 19 and the other end engaging the fixed plate 22. The locking block 25 is connected to the base 19 via a bolt, which can be rotated to adjust its position. The top of the elastic pin 21 is used to contact the pin of the butterfly laser, and the bottom of the elastic pin 21 is connected to the main circuit board in the chassis 1 through a welding wire.

[0042] Implementation method 1 for implementation of embodiment 10: Select a butterfly laser that meets the requirements, place the butterfly laser on the heat sink 23, then rotate the fixing plate 22 to press the pin of the butterfly laser with the elastic pin 21, then rotate the locking block 25 to keep the fixing plate 22 in the state where the pin of the butterfly laser is pressed with the elastic pin 21, place the circuit board on the support plate 7, then rotate the handle 12 to drive the pull rod 13 to move axially along the fixed sleeve 11 to achieve the lifting and lowering of the pull rod 13, and then achieve the lifting and lowering of the pressure plate 6, and use the pressure plate 6 to press the circuit board On the support plate 7, the circuit board and the probe 8 on the support plate 7 are tightly fitted and conductive, then the communication interface 14 is connected to the probe 8, the power interface 13 is connected to the power line, and the circuit board under test is powered on. At this time, the relevant information transmitted by the circuit board under test is transmitted to the PLC in the chassis 1. After the PLC processes the relevant parameter information, the relevant information transmitted by the circuit board under test is displayed on the display screen 5. The relevant information transmitted on the display screen 5 is compared with the relevant information transmitted by the circuit board that meets the requirements and the light output of the butterfly laser to determine whether the circuit board under test meets the requirements.

[0043] Implementation method 2: Select a circuit board that meets the requirements, place the butterfly laser on the heat sink 23, then rotate the fixing plate 22 to press the pins of the butterfly laser with the elastic pins 21, and then rotate the lock block 25 to keep the fixing plate 22 in the state where the pins of the butterfly laser are pressed and connected with the elastic pins 21, place the circuit board on the support plate 7, and then rotate the handle 12 to drive the pull rod 13 to move axially along the fixed sleeve 11 to achieve the lifting and lowering of the pull rod 13, and then achieve the lifting and lowering of the pressure plate 6, and use the pressure plate 6 to press the circuit board on the support plate 7. At this time, the circuit board and the probe 8 on the support plate 7 are tightly fitted and conductive, and then the communication interface 14 is connected to the probe 8, and the power interface 13 is connected to the power line, and the circuit board is powered on. At this time, the relevant information transmitted by the circuit board is transmitted to the PLC in the chassis 1. After the PLC processes the relevant parameter information, the relevant information transmitted by the circuit board is displayed on the display screen 5. The relevant information transmitted on the display screen 5 is compared with the relevant information transmitted by the circuit board that meets the requirements and the light output of the butterfly laser to determine whether the tested butterfly laser meets the requirements.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A test device for a circuit board and a butterfly laser, comprising a chassis (1), characterized in that: The chassis (1) is respectively integrated with a circuit board test component (2), a butterfly laser test component (3) and a control component (4); the circuit board test component (2) and the butterfly laser test component (3) are respectively connected to the control component (4); the control component (4) comprises a display screen (5), a PLC and a main circuit board; the display screen (5) is arranged outside the chassis (1); the PLC and the main circuit board are arranged inside the chassis (1); the display screen (5) is connected to the PLC, the PLC is connected to the main circuit board, and the main circuit board is respectively connected to the circuit board test component (2) and the butterfly laser test component (3); the circuit board test component (2) and the butterfly laser test component (3) are respectively connected to each other; The test assembly (2) includes a fixing seat (9) arranged on the chassis (1), a support plate (7) is provided on the fixing seat (9), a probe (8) for detecting a circuit board is provided on the top of the support plate (7), a pressure plate (6) is provided above the support plate (7), and the distance between the pressure plate (6) and the support plate (7) is adjustable; the butterfly laser test assembly includes a connecting plate (17), two clamping units (18) are arranged oppositely on the connecting plate (17), and the clamping units (18) are connected to the display screen (5); a heat dissipation plate (23) is provided on the connecting plate (17), and the heat dissipation plate (23) is located between the two clamping units (18).

2. The circuit board and butterfly laser testing device according to claim 1, characterized in that: A fixing frame (10) is provided on the fixing seat (9), one end of the fixing frame (10) is provided with a fixing sleeve (11), and the other end is hinged with a handle (12), the fixing sleeve (11) is provided near one end of the pressure plate (6), the top of the pressure plate (6) is connected with a pull rod (13), the fixing sleeve (11) is sleeved on the outside of the pull rod (13), the top of the pull rod (13) is hinged with a connecting frame (24), and the connecting frame (24) is hinged with the handle (12).

3. The circuit board and butterfly laser testing device according to claim 2, characterized in that: The connecting frame (24) is hinged to the middle of the handle (12), and the end of the handle (12) is hinged to the fixing frame (10).

4. The circuit board and butterfly laser testing device according to claim 3, characterized in that: A guide mechanism is provided on the fixing frame (10), and the pressing plate (6) is in sliding engagement with the guide mechanism.

5. The circuit board and butterfly laser testing device according to claim 4, characterized in that: Two sets of guide mechanisms are provided on the fixing frame (10), and the two sets of guide mechanisms are respectively slidably engaged with the two ends of the pressing plate (6).

6. The circuit board and butterfly laser testing device according to claim 5, characterized in that: The guide mechanism comprises a first connecting block (14) and a second connecting block (15), the first connecting block (14) and the second connecting block (15) being spaced apart along the height direction of the fixing frame (10), the top of the first connecting block (14) being connected to a guide rod (16), the guide rod (16) being connected to the bottom of the second connecting block (15), and the guide rod (16) being in sliding engagement with the pressing plate (6).

7. The circuit board and butterfly laser testing device according to claim 6, characterized in that: The clamping units (18) each include a base (19), the base (19) is provided with a pin mounting hole (20), an elastic pin (21) is connected to the pin mounting hole (20), the elastic pin (21) extends out of the bottom surface of the base (19) along the pin mounting hole (20), and the extended end of the elastic pin (21) is connected to the display screen (5); the pin mounting hole (20) is provided with a fixing plate (22) for crimping the butterfly laser pin, and the fixing plate (22) is movably connected to the base (19).

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