A GaN fast charging test fixture

Abstract

The utility model relates to the technical field of charging test fixtures, and specifically discloses a gallium nitride fast charging test fixture, including a base, the base including a base body, the upper end surface of the base body is provided with a mounting groove, a test socket is arranged inside the mounting groove, an infrared thermometer is fixed to the front side of the upper end surface of the base body, a locking assembly is arranged inside the base body, the locking assembly is used to lock the test socket, a Z-axis moving assembly is fixed to the rear end of the base body, the Z-axis moving assembly includes a frame and a Z-axis slide, and an X-axis moving assembly is fixed to the front end surface of the Z-axis slide. In the utility model, moving assemblies in the three axes of X, Y, and Z are provided, so that the clamping assembly can be flexibly moved and adjusted. After the charging test is completed, the clamping assembly can be raised to drive the charger to separate from the test socket, without the need to manually unplug the charger, which is more convenient and safer.

Description

Technical Field

[0001] The utility model relates to the technical field of charging test fixtures, and in particular to a gallium nitride fast charging test fixture. Background Art

[0002] GaN charger is a high-efficiency, high-power density charger. It uses GaN materials to achieve high-efficiency power conversion. It has the advantages of fast charging, small size, easy to carry, and less heat generated during charging. Due to these advantages, GaN chargers are widely used in charging electronic devices such as mobile phones, tablets, and laptops.

[0003] When performing a fast charging test on a GaN charger, the GaN charger is connected to a test socket, and a power tester is connected between the charger and the charging device. If the test socket is loose, it is easy to cause inaccurate test data. Currently, most chargers are tested by manually unplugging them, which is labor-intensive and inconvenient when there are many test batches. At the same time, if the GaN charger heats up during the test, the manual unplugging method also has certain safety hazards. Therefore, those skilled in the art provide a GaN fast charging test fixture to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a gallium nitride fast charging test fixture to solve the following technical problems:

[0005] How to ensure the stability of the charger during GaN fast charging tests and improve convenience and safety.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A gallium nitride fast charging test fixture comprises a base, the base comprises a base body, an upper end surface of the base body is provided with a mounting groove, a test socket is arranged inside the mounting groove, an infrared thermometer is fixed to the front side of the upper end surface of the base body, a locking assembly is arranged inside the base body, and the locking assembly is used to lock the test socket;

[0008] A Z-axis moving assembly is fixed to the rear end of the seat body, the Z-axis moving assembly includes a frame and a Z-axis slide, and an X-axis moving assembly is fixed to the front end surface of the Z-axis slide;

[0009] The X-axis moving assembly comprises a housing and two X-axis slides symmetrically arranged on both sides of the housing, and the front end surfaces of the two X-axis slides are fixed with a Y-axis moving assembly;

[0010] The Y-axis moving assembly includes a suspension and a Y-axis slide, and a clamping assembly is fixed on opposite sides of the two Y-axis slides;

[0011] The clamping assembly comprises a clamping plate, and supporting plates are fixed on both sides of the lower end of the clamping plate.

[0012] Further, the locking assembly includes an unlocking knob rotatably connected to the upper end surface of the seat body, and a push rod slidably arranged inside the seat body, the lower end of the unlocking knob extends into the seat body and is fixedly connected to a gear, a rack is fixed to one end of the push rod close to the gear, the rack is meshed with the gear, and one end of the push rod away from the gear is fixed to a lock head extending to the mounting groove, a slot is provided on one side of the test socket, and the lock head is engaged with the slot;

[0013] Furthermore, a spring is sleeved on one end of the push rod close to the lock head, one end of the spring abuts against the lock head, and the other end abuts against the inner wall of the seat body;

[0014] Furthermore, a Z-axis screw rod is rotatably connected at the middle of the interior of the frame, guide rods 1 are fixed at both sides of the interior of the frame close to the Z-axis screw rod, the Z-axis slide is sleeved between the Z-axis screw rod and the two guide rods 1, a motor 1 is fixed below the frame, and the output end of the motor 1 is fixed to the Z-axis screw rod;

[0015] Furthermore, a bidirectional screw is rotatably connected to the middle of the shell, two guide rods are fixed on both sides of the shell near the bidirectional screw, the two X-axis slides are sleeved with the bidirectional screw and the two guide rods, a motor is fixed to one end of the shell, and the output end of the motor is fixed to the bidirectional screw;

[0016] Further, the interior of the suspension is rotatably connected to a Y-axis screw rod, a guide rail is fixed to the inner bottom of the suspension, the Y-axis slide is sleeved with the Y-axis screw rod, the lower end of the Y-axis slide is slidably connected to the guide rail, and the outer end of the suspension is provided with an adjustment knob fixedly connected to the Y-axis screw rod;

[0017] Furthermore, the opposite end surfaces of the two clamping plates are both fixed with soft pads;

[0018] Furthermore, a power connector with an interface located at the outer end of the seat body is provided inside the mounting groove, and the power connector is electrically connected to the test socket;

[0019] Beneficial effects of the utility model:

[0020] (1) The utility model is provided with moving components in three axes, X, Y, and Z, so that the clamping components can be flexibly moved and adjusted, so as to adapt to the shapes of various gallium nitride chargers and stably clamp the chargers. During testing, the chargers are not prone to loosening or poor contact, thus ensuring the accuracy of the test structure.

[0021] (2) The utility model is provided with a clamping assembly, and a bracket is provided under the clamping plate. When the charging test is performed, the bracket is located under the charger. After the test is completed, the clamping assembly is raised to drive the charger to separate from the test socket. In addition, an infrared thermometer is also provided to detect the test temperature of the charger. If the temperature is higher than the set threshold, the clamping assembly is automatically raised to terminate the test. There is no need to manually unplug the charger, which is more convenient and safer.

[0022] (2) The utility model is provided with a test socket that can be quickly disassembled. The test socket is installed in the installation groove of the seat body and is locked by a provided locking assembly. After the locking assembly is unlocked, the test socket can be taken out. If the test socket is unstable or the socket model needs to be replaced, it is more convenient. The utility model has a wide range of applications and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The utility model is further described below in conjunction with the accompanying drawings.

[0024] Figure 1 It is the overall structure diagram of the utility model;

[0025] Figure 2 It is a structural diagram of the base of the utility model;

[0026] Figure 3 It is a rear view of the Z-axis moving assembly of the utility model;

[0027] Figure 4 It is a structural diagram of the X-axis moving assembly and the Y-axis moving assembly of the utility model;

[0028] Figure 5 It is a partial cross-sectional view of the base of the utility model.

[0029] Reference numerals:

[0030] 1. Base; 11. Base body; 12. Mounting slot; 13. Test socket; 14. Infrared thermometer; 15. Locking assembly; 151. Unlocking knob; 152. Gear; 153. Push rod; 154. Lock head; 155. Spring; 156. Rack; 16. Slot; 17. Power connector; 2. Z-axis moving assembly; 21. Frame; 22. Z-axis lead screw; 23. Guide rod 1; 24. Z-axis slide; 25. Motor 1; 3. X-axis moving assembly; 31. Shell; 32. Bidirectional lead screw; 33. Guide rod 2; 34. X-axis slide; 35. Motor 2; 4. Y-axis moving assembly; 41. Suspension; 42. Y-axis lead screw; 43. Guide rail; 44. Adjustment knob; 45. Y-axis slide; 5. Clamping assembly; 51. Clamping plate; 52. Supporting piece; 53. Cushion. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Please refer to the attached Figure 1-5 A gallium nitride fast charging test fixture in an embodiment of the utility model includes a base 1, the base 1 includes a base body 11, an upper end surface of the base body 11 is provided with a mounting groove 12, a test socket 13 is arranged inside the mounting groove 12, an infrared thermometer 14 is fixed to the front side of the upper end surface of the base body 11, a locking component 15 is arranged inside the base body 11, the locking component 15 is used to lock the test socket 13, the infrared thermometer 14 is arranged with its detection end facing the direction of the test socket 13, when the charger is tested, the infrared thermometer 14 can detect the surface temperature of the charger, if the temperature exceeds the set threshold, the Z-axis moving component 2 is started to separate the charger from the test socket 13 to ensure safety.

[0033] A Z-axis moving assembly 2 is fixed to the rear end of the seat body 11 . The Z-axis moving assembly 2 includes a frame 21 and a Z-axis slide 24 . An X-axis moving assembly 3 is fixed to the front end surface of the Z-axis slide 24 .

[0034] The X-axis moving assembly 3 includes a housing 31 and two X-axis slides 34 symmetrically arranged on both sides of the housing 31 , and the front end surfaces of the two X-axis slides 34 are fixed with the Y-axis moving assembly 4 .

[0035] The Y-axis moving assembly 4 includes a suspension 41 and a Y-axis slide 45 , and clamping assemblies 5 are fixed to opposite sides of the two Y-axis slides 45 .

[0036] By setting up three axial moving components, the clamping component 5 can move flexibly. The Z-axis moving component 2 can drive the clamping component 5 to move upward, thereby separating from the test socket 13. The X-axis moving component 3 adjusts the distance between the two Y-axis moving components 4 through the movement of the X-axis slide 34 to facilitate clamping. The set Y-axis moving component 4 is used to adjust the Y-axis axial orientation of the clamping component 5.

[0037] The clamping assembly 5 includes a clamping plate 51, and support plates 52 are fixed on both sides of the lower end of the clamping plate 51. When performing a gallium nitride fast charging test, the clamping plate 51 is first lowered to a low position so that the support plates 52 are in contact with the lower plane, and the spacing between the two clamping plates 51 is adjusted to be larger than the lateral width of the charger. At the same time, the two support plates 52 can also contact with the lower end surface of the charger. The support plates 52 are relatively thin and do not affect the insertion of the charger into the test socket 13. Then, the two clamping plates 51 stably clamp the charger. When the charger is unplugged, the clamping plate 51 moves upward, and the charging and test socket 13 are separated by multiple support plates 52.

[0038] The locking assembly 15 includes an unlocking knob 151 rotatably connected to the upper end surface of the base body 11, and a push rod 153 slidably arranged inside the base body 11. The lower end of the unlocking knob 151 extends into the base body 11 and is fixedly connected to a gear 152. A rack 156 is fixed to one end of the push rod 153 close to the gear 152, and the rack 156 is meshed with the gear 152. An end of the push rod 153 away from the gear 152 is fixedly extended to a lock head 154 of the mounting groove 12. A slot 16 is provided on one side of the test socket 13, and the lock head 154 is snap-fitted to the slot 16.

[0039] A spring 155 is sleeved on one end of the push rod 153 close to the lock head 154, one end of the spring 155 abuts against the lock head 154, and the other end abuts against the inner wall of the seat body 11. When installing, the test socket 13 is directly inserted into the installation groove 12, and its lower end has an oblique angle, which can be pushed into the hole after contacting the lock head 154. After it is in place, the lock head 154 passes into the interior of the slot 16 through the elastic force of the spring 155, thereby locking the test socket 13 stably. When unlocking, turn the unlocking knob 151, and the gear 152 below it drives the rack 156 to move backward, thereby moving the lock head 154 backward and unlocking the slot 16.

[0040] A Z-axis screw rod 22 is rotatably connected to the middle part of the frame 21, and guide rods 23 are fixed on both sides of the frame 21 near the Z-axis screw rod 22. A Z-axis slide 24 is sleeved between the Z-axis screw rod 22 and the two guide rods 23. A motor 25 is fixed at the bottom of the frame 21, and the output end of the motor 25 is fixed to the Z-axis screw rod 22.

[0041] A bidirectional screw rod 32 is rotatably connected to the middle part of the shell 31, and guide rods 33 are fixed on both sides of the shell 31 near the bidirectional screw rod 32. Two X-axis slides 34 are sleeved with the bidirectional screw rod 32 and the two guide rods 33. A motor 35 is fixed to one end of the shell 31, and the output end of the motor 35 is fixed to the bidirectional screw rod 32. The bidirectional screw rod 32 is driven to rotate by the motor 35, thereby driving the two X-axis slides 34 to move.

[0042] The interior of the suspension 41 is rotatably connected to a Y-axis screw rod 42, a guide rail 43 is fixed to the inner bottom of the suspension 41, a Y-axis slide 45 is sleeved with the Y-axis screw rod 42, the lower end of the Y-axis slide 45 is slidably connected to the guide rail 43, and an adjusting knob 44 fixedly connected to the Y-axis screw rod 42 is provided at the outer end of the suspension 41. When adjusting the Y-axis axial position of the clamping assembly 5, the adjusting knob 44 is rotated to drive the Y-axis screw rod 42 to rotate, thereby adjusting the position of the Y-axis slide 45.

[0043] Soft pads 53 are fixed to the opposite end surfaces of the two clamping plates 51. The soft pads 53 are used to protect the charger from being scratched when the clamping plates 51 clamp the charger.

[0044] The interior of the mounting groove 12 is provided with a power connector 17 whose interface is located at the outer end of the seat body 11. The power connector 17 is electrically connected to the test socket 13. The internal structure of the test socket 13 adopts the socket structure of the prior art, so it is not repeated. The power connector 17 is provided to supply power to the test socket 13.

[0045] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A gallium nitride fast charging test fixture, comprising a base (1), characterized in that: The base (1) comprises a base body (11), the upper end surface of the base body (11) is provided with a mounting groove (12), a test socket (13) is arranged inside the mounting groove (12), an infrared thermometer (14) is fixed to the front side of the upper end surface of the base body (11), a locking assembly (15) is arranged inside the base body (11), and the locking assembly (15) is used to lock the test socket (13); a Z-axis moving assembly (2) is fixed to the rear end of the base body (11), the Z-axis moving assembly (2) comprises a frame (21) and a Z-axis slide table (24), and the Z-axis slide table (24) is provided with a plurality of locking assemblies (15) for locking the test socket (13). 4) is fixed with an X-axis moving assembly (3); the X-axis moving assembly (3) comprises a shell (31) and two X-axis slides (34) symmetrically arranged on both sides of the shell (31), and the front ends of the two X-axis slides (34) are fixed with a Y-axis moving assembly (4); the Y-axis moving assembly (4) comprises a suspension (41) and a Y-axis slide (45), and the two Y-axis slides (45) are fixed with a clamping assembly (5) on opposite sides; the clamping assembly (5) comprises a clamping plate (51), and support plates (52) are fixed on both sides of the lower end of the clamping plate (51).

2. A gallium nitride fast charging test fixture according to claim 1, characterized in that: The locking assembly (15) comprises an unlocking knob (151) rotatably connected to the upper end surface of the seat body (11), and a push rod (153) slidably arranged inside the seat body (11); the lower end of the unlocking knob (151) extends into the seat body (11) and is fixedly connected to a gear (152); a rack (156) is fixedly provided at one end of the push rod (153) close to the gear (152); the rack (156) is meshingly connected to the gear (152); an end of the push rod (153) away from the gear (152) is fixedly extended to a lock head (154) of the mounting groove (12); a slot (16) is provided on one side of the test socket (13); and the lock head (154) is snap-fitted to the slot (16).

3. A gallium nitride fast charging test fixture according to claim 2, characterized in that: A spring (155) is sleeved on one end of the push rod (153) close to the lock head (154); one end of the spring (155) abuts against the lock head (154), and the other end abuts against the inner wall of the seat body (11).

4. The gallium nitride fast charging test fixture according to claim 1, characterized in that: A Z-axis screw rod (22) is rotatably connected to the middle of the frame (21), guide rods (23) are fixed to both sides of the frame (21) near the Z-axis screw rod (22), the Z-axis slide (24) is sleeved between the Z-axis screw rod (22) and the two guide rods (23), and a motor (25) is fixed below the frame (21), and the output end of the motor (25) is fixed to the Z-axis screw rod (22).

5. The gallium nitride fast charging test fixture according to claim 1, characterized in that: A bidirectional screw rod (32) is rotatably connected to the middle of the shell (31), two guide rods (33) are fixed to the inside of the shell (31) on both sides close to the bidirectional screw rod (32), and the two X-axis slides (34) are sleeved with the bidirectional screw rod (32) and the two guide rods (33). A motor (35) is fixed to one end of the shell (31), and the output end of the motor (35) is fixed to the bidirectional screw rod (32).

6. The gallium nitride fast charging test fixture according to claim 1, characterized in that: The interior of the suspension (41) is rotatably connected to a Y-axis screw rod (42); a guide rail (43) is fixed to the inner bottom of the suspension (41); the Y-axis slide (45) is sleeved with the Y-axis screw rod (42); the lower end of the Y-axis slide (45) is slidably connected to the guide rail (43); and the outer end of the suspension (41) is provided with an adjusting knob (44) fixedly connected to the Y-axis screw rod (42).

7. The gallium nitride fast charging test fixture according to claim 1, characterized in that: Soft pads (53) are fixed to the opposite end surfaces of the two clamping plates (51).

8. The gallium nitride fast charging test fixture according to claim 1, characterized in that: A power connector (17) whose interface is located at the outer end of the seat body (11) is arranged inside the installation groove (12), and the power connector (17) is electrically connected to the test socket (13).

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