PD power supply aging test device

Abstract

The utility model discloses a PD power supply aging test device which comprises a box body, a plurality of test cavities are arranged in the box body, one side of the box body is provided with an adjustable heat dissipation port, the adjustable heat dissipation port is located at one end of each test cavity, and the adjustable heat dissipation port comprises a sliding frame and a first perforated plate. The sliding frame is arranged on the outer wall of one side of the box body, one end of the sliding frame is communicated with the testing cavity, the first perforated plate is arranged on the inner wall of the end, communicated with the sliding frame, of the testing cavity, the inner wall of the sliding frame is slidably connected with a second perforated plate, an electric telescopic rod is fixed to the inner wall of one end of the sliding frame, and the telescopic end of the electric telescopic rod is connected with the second perforated plate. According to the utility model, through the arrangement of the adjustable heat dissipation ports, different heat dissipation environments when the power supply works can be simulated during testing, and the diversity of the simulation environments during detection of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power supply aging testing, in particular to a PD power supply aging testing device. Background Art

[0002] PD power is a power delivery system that uses a USB-Type-C interface. The primary purpose of PD power aging testing is to simulate the long-term aging and performance changes of a power supply during use, thereby evaluating its reliability and durability in real-world applications. During testing, the power supply's workload and temperature are typically increased to accelerate the aging process of its internal components, allowing potential problems to be identified in a shorter period of time.

[0003] After searching, the Chinese patent publication number CN115754791A discloses a power supply aging test device, including an equipment box and a sealing detection component. The sealing detection component is arranged on the top of the equipment box. The sealing detection component includes a fixed plate and a sealing frame. The fixed plate is fixedly installed on the top of one side of the equipment box. The sealing frame is arranged on one side of the fixed plate. A accommodating cavity is provided in the equipment box, and a mounting frame is provided in the accommodating cavity. An electrical parameter tester, a withstand voltage tester, a numerical multimeter and a voltage regulator are provided on the mounting frame. An integrated circuit board is installed in the sealing frame, power terminals are installed on the integrated circuit board, and a mounting plate is provided in the accommodating cavity.

[0004] This patent can create a high-temperature and highly harsh test environment by sealing the power supply placement space during the aging test. However, the heat dissipation conditions of the power supply are different in different usage environments, and the changes in the circuit voltage of the power supply due to different temperatures cannot be detected. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a PD power supply aging test device.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A PD power aging test device comprises a box body, wherein a plurality of test cavities are provided inside the box body, an adjustable heat dissipation port is provided on one side of the box body, the adjustable heat dissipation port is located at one end of the test cavity, the adjustable heat dissipation port comprises a sliding frame and a perforated plate 1, the sliding frame is provided on an outer wall of one side of the box body, and one end of the sliding frame is connected to the test cavity, the perforated plate 1 is provided on the inner wall of the end connecting the test cavity and the sliding frame, the inner wall of the sliding frame is slidably connected to the perforated plate 2, an electric telescopic rod is fixed to the inner wall of one end of the sliding frame, and the telescopic end of the electric telescopic rod is connected to the perforated plate 2.

[0008] As a further solution of the present invention: a door is hinged on one side of the box body, a power connection mechanism is provided inside the test cavity, the inner wall of the test cavity is relatively slidably connected to a limit plate, and one side of the limit plate is connected to the inner wall of the test cavity through an extrusion spring.

[0009] As a further solution of the present invention: the power connection mechanism includes a plug and two movable components, the two movable components are arranged alternately, one of the movable components is arranged on the inner wall of the bottom end of the test cavity, and the plug is connected to the other movable component.

[0010] As a further solution of the present invention: the moving assembly includes a limiting rod and a sliding block, the limiting rod is fixed to the inner wall of the test cavity, and the sliding block is slidably connected to the inner wall of the limiting rod.

[0011] As a further solution of the present invention: the side wall of the limiting rod is slidably connected to a limiting ball head, the limiting ball head cooperates with the sliding block to limit, one end of the limiting ball head is connected to a limiting spring, and the other end of the limiting spring is connected to the limiting rod.

[0012] As a further solution of the present invention: the limiting rod in another movable assembly is connected to the sliding block, and the plug is detachably connected to the sliding block.

[0013] As a further solution of the present invention: a touch screen is provided on the side wall of the box, and a controller, a voltage detection module, a current detection module and an electronic load are provided inside the bottom end of the box.

[0014] As a further solution of the present invention: a fire extinguishing agent tank is provided on one side of the box body, a smoke sensor is installed on the inner wall of the top of the test cavity, and electric sprinklers are provided on both sides of the top of the test cavity, and the electric sprinklers face the limit plate.

[0015] Compared with the prior art, the present invention provides a PD power supply aging test device with the following beneficial effects:

[0016] 1. The utility model is provided with an adjustable heat dissipation port, which can simulate different heat dissipation environments when the power supply is working during testing, thereby improving the diversity of the simulated environment during testing.

[0017] 2. The utility model is provided with a power connection mechanism. According to the position of the power socket, the plug drives the sliding block to slide in the limit rod, thereby changing the position of the plug and facilitating connection of the plug with different types of power sources.

[0018] 3. The utility model is provided with a fire extinguishing agent tank, an electric nozzle and a smoke sensor. When the smoke sensor detects smoke generated by spontaneous combustion, the electric nozzle opens to extinguish the fire in time.

[0019] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a PD power aging test device proposed by the utility model;

[0021] Figure 2 This is a side structural diagram of a PD power aging test device proposed by the utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of a PD power aging test device proposed by the utility model;

[0023] Figure 4 This is a schematic diagram of the internal structure of a test chamber of a PD power aging test device proposed in the present invention;

[0024] Figure 5 This is a schematic diagram of the internal structure of an adjustable heat dissipation port of a PD power aging test device proposed in the utility model;

[0025] Figure 6 This is a structural schematic diagram of a mobile component of a PD power aging test device proposed by the utility model.

[0026] In the figure: 1. Box body; 2. Box door; 3. Touch screen; 4. Adjustable heat dissipation vent; 5. Test chamber; 6. Controller; 7. Voltage detection module; 8. Current detection module; 9. Electronic load; 10. Power connection mechanism; 11. Moving component; 12. Plug; 13. Limit rod; 14. Sliding block; 15. Limit ball head; 16. Limit spring; 17. Limit plate; 18. Extrusion spring; 19. Sliding frame; 20. Perforated plate 1; 21. Perforated plate 2; 22. Electric telescopic rod; 23. Fire extinguisher tank; 24. Electric sprinkler; 25. Smoke sensor. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0028] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0029] Example 1

[0030] A PD power supply aging test device, such as Figures 1 to 6 As shown, it includes a box body 1, a box door 2 is hinged on one side of the box body 1, a plurality of test cavities 5 are arranged inside the box body 1, an adjustable heat dissipation port 4 is provided on one side of the box body 1, the adjustable heat dissipation port 4 is located at one end of the test cavity 5, a power connection mechanism 10 is provided inside the test cavity 5, the adjustable heat dissipation port 4 includes a sliding frame 19 and a perforated plate 20, the sliding frame 19 is arranged on the outer wall of one side of the box body 1, and one end of the sliding frame 19 is connected with the test cavity 5, the perforated plate 20 is arranged on the inner wall of the end connecting the test cavity 5 and the sliding frame 19, the inner wall of the sliding frame 19 is slidably connected with a perforated plate 21, an electric telescopic rod 22 is fixed to the inner wall of one end of the sliding frame 19, the telescopic end of the electric telescopic rod 22 is connected with the perforated plate 21, the inner wall of the test cavity 5 is relatively slidably connected to the limit plate 17, and one side of the limit plate 17 is connected to the limit plate 17 by an extrusion spring 18 The test chamber 5 is connected to the inner wall, and the power connection mechanism 10 includes a plug 12 and two movable components 11. The two movable components 11 are arranged alternately, one of which is arranged on the inner wall of the bottom end of the test chamber 5, and the plug 12 is connected to the other movable component 11. The movable component 11 includes a limit rod 13 and a sliding block 14. The limit rod 13 is fixed to the inner wall of the test chamber 5, and the sliding block 14 is slidably connected to the inner wall of the limit rod 13. The side wall of the limit rod 13 is slidably connected to a limit ball head 15, and the limit ball head 15 is limited and matched with the sliding block 14. One end of the limit ball head 15 is connected to a limit spring 16, and the other end of the limit spring 16 is connected to the limit rod 13. The limit rod 13 in the other movable component 11 is connected to the sliding block 14, and the plug 12 is detachably connected to the sliding block 14. An electric heating plate is provided on the inner wall of the test chamber 5.

[0031] A touch screen 3 is provided on the side wall of the box 1, and a controller 6, a voltage detection module 7, a current detection module 8 and an electronic load 9 are provided inside the bottom end of the box 1. The voltage detection module 7, the current detection module 8, the electronic load 9 are electrically connected to the output circuit of the plug 12.

[0032] During testing, the box door 2 is opened, and multiple power supplies are placed in the test chamber 5. The extrusion spring 18 pushes the limit plate 17 to limit the power supply, and the plug 12 is connected to the power supply. The controller 6 controls the electric heating plate on the side wall of the test chamber 5 to heat the internal environment of the test chamber 5, so that the inside of the test chamber 5 enters a high-temperature state, simulating the heating of the power supply working limit. The voltage detection module 7 and the current detection module 8 detect the current and voltage output by the power supply, and detect the fluctuation of the current and voltage. The electric telescopic rod 22 drives the perforated plate 21 to move inside the sliding frame 19, and the size of the heat dissipation hole is changed by alternating the perforated plate 21 and the perforated plate 1 20 to simulate the heat dissipation environment when the power supply is working; since the socket positions of different power supplies are different, during testing, the plug 12 drives the sliding block 14 to slide in the limit rod 13 according to the position of the power socket, and the position of the plug 12 is changed. After the adjustment is completed, the limit spring 16 pushes the limit ball head 15 to insert into the sliding block 14. The limit ball head 15 limits the sliding block 14, and the user needs to apply force to move the sliding block 14.

[0033] By providing the adjustable heat dissipation port 4 , different heat dissipation environments when the power supply is working can be simulated during testing, thereby increasing the diversity of simulated environments during testing of the device.

[0034] By providing the power connection mechanism 10 , the plug 12 drives the sliding block 14 to slide in the limiting rod 13 according to the position of the power socket, thereby changing the position of the plug 12 and facilitating connection of the plug 12 to different types of power sources.

[0035] Example 2

[0036] A PD power supply aging test device, based on Example 1, this embodiment makes the following improvements: Figure 2 、 Figure 4 As shown, a fire extinguishing agent box 23 is provided on one side of the box body 1. A fire extinguishing agent container for storing any fire extinguishing agent such as dry powder fire extinguishing agent can be installed inside the fire extinguishing agent box 23. A smoke sensor 25 is installed on the inner wall of the top of the test cavity 5. Electric nozzles 24 are provided on both sides of the top of the test cavity 5. The electric nozzles 24 face the limit plate 17 and are connected to the fire extinguishing agent container in the fire extinguishing agent box 23.

[0037] During the test, an unqualified power supply may spontaneously combust. When the smoke sensor 25 detects the smoke generated by the spontaneous combustion, the electric nozzle 24 opens and sprays the fire extinguishing agent in the fire extinguishing agent tank 23 toward the power supply to extinguish the fire. At the same time, the electric telescopic rod 22 pushes the perforated plate 21 to move to seal the test chamber 5, thereby reducing the air input to the test chamber 5.

[0038] By providing the fire extinguishing agent tank 23, the electric nozzle 24 and the smoke sensor 25, when the smoke sensor 25 detects smoke generated by spontaneous combustion, the electric nozzle 24 is opened to extinguish the fire of the power supply in time.

[0039] Working principle: During the test, open the box door 2, put multiple power supplies into the test chamber 5, squeeze the spring 18 to push the limit plate 17 to limit the power supply, connect the plug 12 to the power supply, and the controller 6 controls the electric heating plate on the side wall of the test chamber 5 to heat the internal environment of the test chamber 5, so that the inside of the test chamber 5 enters a high-temperature state, simulating the heating of the power supply working limit. The voltage detection module 7 and the current detection module 8 detect the current and voltage output by the power supply, and detect the fluctuation of the current and voltage. The electric telescopic rod 22 drives the perforated plate 21 to move inside the sliding frame 19, and the size of the heat dissipation hole is changed by staggering the perforated plate 21 and the perforated plate 1 20 to simulate the heat dissipation environment when the power supply is working; due to different The position of the power socket is different. During the test, according to the position of the power socket, the plug 12 drives the sliding block 14 to slide in the limit rod 13, changing the position of the plug 12. After the adjustment is completed, the limit spring 16 pushes the limit ball head 15 to insert the sliding block 14. The limit ball head 15 limits the sliding block 14, and the user needs to use force to move the sliding block 14. During the test, an unqualified power supply may spontaneously combust. When the smoke sensor 25 detects the smoke generated by spontaneous combustion, the electric nozzle 24 opens and sprays the fire extinguishing agent in the fire extinguishing agent box 23 to the power supply to extinguish the fire. At the same time, the electric telescopic rod 22 pushes the perforated plate 21 to move to seal the test chamber 5, thereby reducing the air input to the test chamber 5.

[0040] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A PD power supply aging test device, comprising a box (1), characterized in that: A plurality of test cavities (5) are provided inside the box (1), and an adjustable heat dissipation port (4) is provided on one side of the box (1). The adjustable heat dissipation port (4) is located at one end of the test cavity (5). The adjustable heat dissipation port (4) comprises a sliding frame (19) and a perforated plate (20). The sliding frame (19) is provided on an outer wall of one side of the box (1), and one end of the sliding frame (19) is connected to the test cavity (5). The perforated plate (20) is provided on the inner wall of the end connected to the test cavity (5) and the sliding frame (19). The inner wall of the sliding frame (19) is slidably connected to the perforated plate (21). An electric telescopic rod (22) is fixed to the inner wall of one end of the sliding frame (19), and the telescopic end of the electric telescopic rod (22) is connected to the perforated plate (21).

2. A PD power aging test device according to claim 1, characterized in that: A door (2) is hingedly connected to one side of the box body (1), a power connection mechanism (10) is provided inside the test chamber (5), an inner wall of the test chamber (5) is relatively slidably connected to a limit plate (17), and one side of the limit plate (17) is connected to the inner wall of the test chamber (5) via a compression spring (18).

3. A PD power aging test device according to claim 2, characterized in that: The power connection mechanism (10) comprises a plug (12) and two movable components (11), wherein the two movable components (11) are arranged alternately, wherein one movable component (11) is arranged on the inner wall of the bottom end of the test cavity (5), and the plug (12) is connected to the other movable component (11).

4. A PD power aging test device according to claim 3, characterized in that: The moving assembly (11) comprises a limiting rod (13) and a sliding block (14), wherein the limiting rod (13) is fixed to the inner wall of the test cavity (5), and the sliding block (14) is slidably connected to the inner wall of the limiting rod (13).

5. A PD power aging test device according to claim 4, characterized in that: The side wall of the limiting rod (13) is slidably connected to a limiting ball head (15), the limiting ball head (15) is limitedly matched with the sliding block (14), one end of the limiting ball head (15) is connected to a limiting spring (16), and the other end of the limiting spring (16) is connected to the limiting rod (13).

6. A PD power aging test device according to claim 4, characterized in that: The limiting rod (13) in the other movable assembly (11) is connected to the sliding block (14), and the plug (12) is detachably connected to the sliding block (14).

7. A PD power aging test device according to claim 1, characterized in that: A touch screen (3) is provided on the side wall of the box (1), and a controller (6), a voltage detection module (7), a current detection module (8) and an electronic load (9) are provided inside the bottom end of the box (1).

8. The PD power aging test device according to claim 1, characterized in that: A fire extinguishing agent box (23) is provided on one side of the box body (1), a smoke sensor (25) is installed on the inner wall of the top of the test chamber (5), and electric nozzles (24) are provided on both sides of the top of the test chamber (5), and the electric nozzles (24) face the limit plate (17).

Images