Aging detection device of PD mobile power supply

Abstract

The present application relates to the technical fields of aging detection, in particular to a kind of aging detection equipment of PD mobile power supply, it includes cabinet, cabinet is used to carry integral detection equipment, its inside is closed state;Clamping part, clamping part has multiple groups of installation in the inside of cabinet;And heat dissipation part, heat dissipation part is installed in the outside of cabinet;Wherein, clamping part is used to carry out aging detection after being clamped and fixed to multiple groups of PD mobile power supply, heat dissipation part is used to circulate cabinet and external air, simulates various working conditions under actual use environment, by being provided with clamping part, the spacing between multiple clamping plates can be adjusted according to the body shape and model of PD mobile power supply, and then multiple groups of different models of PD mobile power supply can be clamped and fixed, ensure that PD mobile power supply can guarantee stable electrical connection and mechanical fixation in the process of aging detection, to improve the accuracy and reliability of aging test.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of aging detection, in particular to an aging detection equipment for a PD mobile power supply. BACKGROUND

[0002] It is necessary to detect the aging of the PD mobile power supply. Firstly, due to the quality difference of components, production process fluctuation and other reasons, there may be some potential defective products in the production process of the PD mobile power supply. These defects may not appear in the initial stage of normal use, but as the use time increases and the number of charge and discharge increases, the problems will gradually be exposed, such as reduced charging efficiency, inability to normally output power, and even causing safety hazards. Through aging detection, long-time and high-load use scenarios can be simulated to screen out such potential defective products in advance and prevent them from flowing into the market to harm users. Secondly, the use scenarios of the PD mobile power supply are diverse and the use environment is complex and changeable, including different temperatures, humidities and frequent plugging and unplugging. Aging detection can simulate these complex environments to test the performance stability and reliability of the mobile power supply under various conditions to ensure that it can work stably in actual use and protect the charging needs and use safety of users. Thirdly, the PD technology develops rapidly and the functions of the mobile power supply become increasingly complex. The multi-gear PDO output and other features increase the risk of product failure. Aging detection can comprehensively evaluate the overall performance of the product to ensure that it meets the quality standards and user expectations, thereby improving the product quality and enhancing the brand competitiveness.

[0003] However, in the existing aging detection equipment for the PD mobile power supply, the PD mobile power supply is detected at different extreme temperatures during the aging detection process, which causes the PD mobile power supply to expand. The traditional clamping structure often cannot flexibly adjust the distance between the clamping plates according to the diverse sizes and models of the PD mobile power supply, which results in the inability to effectively clamp and fix PD mobile power supplies of different models. The PD mobile power supply is prone to unstable electrical connection, and the detection effect is single, making it difficult to achieve efficient and diverse detection effects simultaneously. SUMMARY

[0004] To solve the problem that the traditional clamping structure often cannot flexibly adjust the distance between the clamping plates according to the diverse sizes and models of the PD mobile power supply, resulting in the inability to effectively clamp and fix PD mobile power supplies of different models, the present application provides an aging detection equipment for a PD mobile power supply, which comprises:

[0005] A cabinet body, a plurality of clamping parts are installed inside the cabinet body, and a heat dissipation part is installed outside the cabinet body;

[0006] The clamping part is used for clamping and fixing a plurality of groups of PD mobile power supplies, and the detection mechanism is used for aging detection of the mobile power supplies; the heat dissipation part is used for circulating the cabinet and external air to simulate various working conditions in actual use environment.

[0007] The clamping part comprises:

[0008] The three detection boxes are used for respectively bearing PD mobile power supply detection of different body types, and the left sides of the three detection boxes are fixedly connected with motors one.

[0009] Preferably, the outer walls of the three slide rods are slidably connected with a plurality of clamping plates, the clamping plates are fixedly connected with slide blocks, the slide blocks are fixedly connected with springs one, and the springs one are wound on the outer walls of the three slide rods.

[0010] Preferably, the inner parts of the three detection boxes are provided with heat insulation cavities one, the inner walls of the heat insulation cavities one are coated with heat insulation layers, the detection mechanism comprises a plurality of PCB detection plates fixed on the inner walls of the heat insulation cavities one, the PCB detection plates are provided with data lines, and the data lines extend into the inner parts of the detection boxes.

[0011] Preferably, the data lines are provided with connectors at the ends away from the PCB detection plates, and the front sides of the three detection boxes are hingedly connected with cabinet doors.

[0012] The connectors are used for being inserted into the interfaces of the PD mobile power supplies, and the PCB detection plates are used for aging detection of the PD mobile power supplies.

[0013] Preferably, the top parts of the detection boxes are fixedly connected with pressure detection plates, the two push blocks are hingedly connected with hinge rods on the sides close to each other, the bottom ends of the hinge rods are hingedly connected with a moving plate, and the inner walls of the detection boxes are fixedly connected with two connecting rods one.

[0014] Preferably, the moving plate is penetrated with a plurality of connecting rods two, the bottom ends of the connecting rods two are fixedly connected with pressing plates, the pressing plates are located above the connectors, the outer walls of the connecting rods two are wound with springs two, one end of the springs two is fixedly connected with the moving plate, and the other end of the springs two is fixedly connected with the pressing plates.

[0015] On this basis, since the existing device is difficult to promote the inside air of the detection box and the outside to circulate quickly and fully, resulting in slow heat exchange process, and different detection boxes have uneven heat exchange efficiency.

[0016] Preferably, the heat dissipation part comprises:

[0017] The fixed frame is fixedly installed on the inner wall of the cabinet body, the heat dissipation part is used for hot air heating of the PD mobile power supply, the fixed frame is used for bearing the three detection boxes, a heat insulation cavity two is formed between the fixed frame and the left inner wall of the cabinet body, the inner wall of the heat insulation cavity two is coated with a heat insulation layer, and the three motors one are located in the heat insulation cavity two.

[0018] Preferably, the bottom of each of the three detection boxes is provided with a heating cavity, the inner wall of each of the three heating cavities is fixedly connected with a resistance wire, the rear side of each of the three heating cavities is provided with an air inlet, the inner bottom of each of the three detection boxes is provided with an air guide hole, the right side of each of the three detection boxes is provided with an air outlet, the right side of the cabinet body is communicatively provided with a fan housing, the rear side of the fan housing is fixedly connected with a motor two, the output end of the motor two is fixedly connected with a rotating rod through a shaft coupling, and the outer wall of the rotating rod is fixedly connected with an impeller.

[0019] As a further improvement of the technical solution, by setting the fixed frame and the air outlet, when the motor two drives the rotating rod and the impeller to rotate, the internal air of the multiple detection boxes is communicated and circulated with the external air, and then the internal air of the multiple detection boxes is synchronously heated.

[0020] In another scheme, it is difficult to realize the targeted heating of the PD mobile power supply in different detection boxes to meet the needs of aging detection of different models in different environments.

[0021] As a further improvement of the technical solution, by setting the heat dissipation part, when the resistance wire drives the internal air of the heating cavity to heat, the external air is introduced into the heating cavity through the air inlet in sequence by the rotation of the impeller, and then introduced into the internal air of the detection box through the air guide hole, so that the PD mobile power supply in the internal air of the three detection boxes can be heated by hot air, and the heated air is discharged through the air outlet, and the three detection boxes are heated independently in sequence.

[0022] Compared with the prior art, the present application has the following advantages:

[0023] 1、Through the setting up has the clamping portion, in the drive motor one drives the double -sided screw rod rotation, under the cooperation of the slide rod, make two push block each other close or far away, when two push block each other close extrude the two slide block at the most edge, will drive the most left and the most right two slide block each other close, make a plurality of slide block extrude a plurality of spring one, after respectively put a plurality of PD mobile power between a plurality of clamping plate, a plurality of slide block each other close to PD mobile power for clamping fixed, simultaneously after a plurality of joint are inserted into a plurality of PD mobile power, cooperate PCB detection board to PD mobile power for aging detection, the device can adjust the spacing between a plurality of clamping plates according to the body shape and model of PD mobile power, and then a plurality of groups of different models of PD mobile power can be clamped and fixed, to ensure that the PD mobile power can guarantee stable electrical connection and mechanical fixation during the aging detection process, thereby improving the accuracy and reliability of the aging test, when two push block each other close, under the cooperation of two hinged rods and the limiting action of two connecting rods one, the moving plate can be extruded to move downward, and then the pressing plate can be attached to the top of the PD mobile power, when the PD mobile power expands under high temperature environment, the pressing plate will be extruded to move upward, at this time, the spring two will be compressed, and the connecting rod two will be pressed against the pressure detection plate, so that the pressure detection plate can detect the expansion amplitude and effectively protect and control the detection process of the PD mobile power.

[0024] 2、Through the setting up has the fixed frame and the air outlet, in the drive motor two drive the rotating rod and the impeller rotation, make a plurality of detection box inside air and outside air circulation, then heat exchange in a plurality of detection box, improve the heat exchange efficiency of different detection box, ensure that the detection box can reach the specified detection temperature in a short time.

[0025] 3、Through the setting up has the heat dissipation part, in the drive resistance wire heats the air inside the heating cavity, the impeller rotates and the outside air is introduced into the heating cavity in turn for heating, and is introduced into the detection box inside through the air outlet, so that the PD mobile power inside the three detection boxes can be heated by hot air, and the heated air is discharged through the air outlet. Three detection boxes are heated independently in turn, so that three groups of PD mobile power of different sizes can be aged in different environments, and the comparison data improves the accuracy and efficiency of the aging detection. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the overall structure schematic diagram of the present application;

[0027] Figure 2 It is the front view cross-sectional structure schematic diagram of the cabinet body of the present application;

[0028] Figure 3 It is the explosion effect schematic diagram of the detection box of the present application;

[0029] Figure 4 This is a schematic diagram of the internal structure of the detection box of the present invention;

[0030] Figure 5 This is a schematic diagram of the left cross-sectional structure of the detection box of the present invention;

[0031] Figure 6 This is a schematic diagram of the clamping plate structure of the present invention;

[0032] Figure 7 for Figure 2 Enlarged structural diagram at point A;

[0033] Figure 8 for Figure 5 Enlarged structural diagram at point B;

[0034] Figure 9 for Figure 6 A magnified structural diagram at point C.

[0035] The meanings of the labels in the diagram are as follows:

[0036] 1. Cabinet body; 2. Clamping part; 3. Heat dissipation part;

[0037] 21. Testing box; 211. Motor 1; 212. Double-ended threaded rod; 213. Slide rod; 214. Push block;

[0038] 22. Clamping plate; 221. Slider; 222. Spring 1;

[0039] 23. Insulation cavity one; 231. PCB test board; 232. Data cable; 233. Connector;

[0040] 24. Box door;

[0041] 25. Pressure detection plate; 251. Hinge rod; 252. Moving plate; 253. Connecting rod one; 254. Connecting rod two; 255. Pressure plate; 256. Spring two;

[0042] 31. Fixed frame; 32. Insulation cavity two;

[0043] 33. Heating chamber; 331. Resistance wire; 332. Air inlet; 333. Air vent;

[0044] 34. Air outlet; 341. Fan casing; 342. Motor II; 343. Rotating rod; 344. Impeller. Detailed Implementation

[0045] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present application.

[0046] The present application provides a kind of PD mobile power supply aging detection equipment, refer to Figures 1-9 As shown in the figure, it includes:

[0047] Cabinet 1, cabinet 1 is used to carry integral detection equipment, its inside is closed state;

[0048] Clamping part 2, clamping part 2 has multiple groups of installation in the inside of cabinet 1;And

[0049] Heat dissipation part 3, heat dissipation part 3 is installed in the outside of cabinet 1;

[0050] Among them, wherein, clamping part 2 is used to clamp and fix multiple groups of PD mobile power supply, and then detects the aging of mobile power supply by detection mechanism, heat dissipation part 3 is used to circulate cabinet 1 and external air, simulate various working conditions under actual use environment;

[0051] Three detection boxes 21, three detection boxes 21 are used to carry different body type PD mobile power supply detection respectively, the left side of three detection boxes 21 is fixedly connected with motor one 211, the output end of three motor one 211 is fixedly connected with bidirectional screw rod 212 through coupling, three bidirectional screw rods 212 are respectively rotatingly penetrated in three detection boxes 21, the inner wall of three detection boxes 21 is fixedly connected with slide rod 213, the outer wall of three bidirectional screw rods 212 is threadedly connected with two push blocks 214, a plurality of push blocks 214 are respectively connected with the outer wall of three slide rods 213 slidingly, three motor one 211 are respectively driven to drive three bidirectional screw rods 212 to rotate, in turn drive three groups of push blocks 214 to move away from each other or close to each other, the outer wall of three slide rods 213 is slidingly connected with a plurality of clamping plates 22, a plurality of clamping plates 22 are fixedly connected with slide block 221, three groups of slide blocks 221 are respectively fixedly connected with spring one 222 between them, a plurality of spring one 222 are respectively wound on the outer wall of three slide rods 213;

[0052] As Figure 6 And Figure 9As shown, the inside of the three detection boxes 21 are each provided with a heat insulation cavity one 23, the inner walls of the three heat insulation cavities one 23 are coated with a heat insulation layer, the detection mechanism comprises a plurality of PCB detection plates 231 fixed on the inner wall of the heat insulation cavity one 23, a plurality of data lines 232 are arranged on the plurality of PCB detection plates 231, the plurality of data lines 232 extend to the inside of the detection box 21, and a connector 233 is arranged at the end of the plurality of data lines 232 away from the PCB detection plate 231; the front side of the three detection boxes 21 is hingedly connected with a box door 24;

[0053] The connector 233 is used for being inserted into the interface of the PD mobile power supply, and the PCB detection plate 231 is used for aging detection of the PD mobile power supply.

[0054] The top of the plurality of detection boxes 21 is fixedly connected with a pressure detection plate 25, the side of the two push blocks 214 away from each other is hingedly connected with a hinge rod 251, the bottom end of the two hinge rods 251 is hingedly connected with a moving plate 252, the inner wall of the detection box 21 is fixedly connected with two connecting rods one 253, the two connecting rods one 253 slide through the moving plate 252, a plurality of connecting rods two 254 are arranged through the moving plate 252, the bottom end of the plurality of connecting rods two 254 is fixedly connected with a pressing plate 255, the plurality of pressing plates 255 are located above the plurality of connectors 233, and the outer wall of the plurality of connecting rods two 254 is wound with a spring two 256. One end of the spring two 256 is fixedly connected with the moving plate 252, and the other end of the spring two 256 is fixedly connected with the pressing plate 255.

[0055] When the two push blocks 214 are close to each other, the moving plate 252 can be pressed to move downward under the cooperation of the two hinge rods 251 and the limiting action of the two connecting rods one 253, so that the pressing plate 255 can be attached to the top of the PD mobile power supply. When the PD mobile power supply expands under high-temperature detection, the pressing plate 255 will be pressed to move upward, at this time the spring two 256 will be compressed, and the connecting rod two 254 will abut against the pressure detection plate 25, so that the pressure detection plate 25 can detect the expansion amplitude.

[0056] As shown in the figure, Figures 2-5 The heat dissipation part 3 comprises:

[0057] The fixed frame 31 is fixedly installed on the inner wall of the cabinet body 1, the three detection boxes 21 are all fixedly connected to the inner wall of the fixed frame 31, the fixed frame 31 is used for bearing the three detection boxes 21, a heat insulation cavity two 32 is arranged between the fixed frame 31 and the left inner wall of the cabinet body 1, the inner wall of the heat insulation cavity two 32 is coated with a heat insulation layer, the three motors one 211 are all located in the heat insulation cavity two 32, so as to protect and separate the three motors one 211, the bottom of each of the three detection boxes 21 is provided with a heating cavity 33, the inner wall of each of the three heating cavities 33 is fixedly connected with a resistance wire 331, the rear side of each of the three heating cavities 33 is provided with an air inlet 332, the inner bottom of each of the three detection boxes 21 is provided with an air guide hole 333, and the right side of each of the three detection boxes 21 is provided with an air outlet 34.

[0058] The plurality of resistance wires 331 in the heating cavity 33 can heat the air in the heating cavity 33.

[0059] As shown in the figure, Figure 7 The right side of the cabinet body 1 is communicated with a fan housing 341, the rear side of the fan housing 341 is fixedly connected with a motor two 342, the output end of the motor two 342 is fixedly connected with a rotating rod 343 through a shaft coupling, and the outer wall of the rotating rod 343 is fixedly connected with an impeller 344.

[0060] The motor two 342 can drive the rotating rod 343 and the impeller 344 to rotate, so as to suck out the air in the cabinet body 1.

[0061] The first step is that the motor one 211 drives the bidirectional threaded rod 212 to rotate, and under the cooperation of the sliding rod 213, the two push blocks 214 are close to or away from each other, when the two push blocks 214 are close to each other and press the two sliding blocks 221 at the edge, the two sliding blocks 221 at the leftmost and rightmost sides are close to each other, so that the plurality of sliding blocks 221 press the plurality of springs one 222, after the plurality of PD mobile power supplies are placed between the plurality of clamping plates 22, the plurality of sliding blocks 221 are close to each other to clamp and fix the PD mobile power supply, so as to ensure that the PD mobile power supply can ensure stable electrical connection and mechanical fixation in the process of aging detection, thereby improving the accuracy and reliability of the aging test, under the cooperation of the two hinged rods 251 and the limiting action of the two connecting rods one 253, the moving plate 252 can be pressed to move downward, so that the pressing plate 255 can be attached to the top of the PD mobile power supply, when the PD mobile power supply expands in the high-temperature environment, the pressing plate 255 will move upward, at this time, the spring two 256 will be compressed, and the connecting rod two 254 will abut against the pressure detection plate 25, so that the pressure detection plate 25 can detect the expansion amplitude.

[0062] The second step: the motor 342 drives the rotating rod 343 and the impeller 344 to rotate, so that the air in the detection boxes 21 communicates and circulates with the external air, thereby heat exchanging the inside of the detection boxes 21, improving the heat exchange efficiency of the inside of the detection boxes 21, and ensuring that the detection boxes 21 can reach the specified detection temperature in a short time.

[0063] The third step: during work, the heating cavity 33 is heated by the driving resistance wire 331, the external air is introduced into the heating cavity 33 through the air inlet 332 and is heated, and then is introduced into the inside of the detection boxes 21 through the air outlet 333, so that the three detection boxes 21 can be heated by the hot air, the heated air is discharged through the air outlet 34, and the three detection boxes 21 are heated independently in turn, so that the three groups of PD mobile power supplies of different sizes can be aged in different environments, and the comparison data improves the accuracy and efficiency of the aging detection.

[0064] Working principle: by setting the clamping part 2, when the bidirectional screw rod 212 is driven by the driving motor 211 to rotate, the two push blocks 214 are close to or away from each other under the cooperation of the slide rod 213, when the two push blocks 214 are close to each other and extrude the two slide blocks 221 at the edge, the two slide blocks 221 at the leftmost and rightmost sides are close to each other, so that the plurality of slide blocks 221 extrude the plurality of springs 222, after the plurality of PD mobile power supplies are placed between the plurality of clamping plates 22, the plurality of slide blocks 221 are close to each other to clamp and fix the PD mobile power supply, and the plurality of connectors 233 are inserted into the plurality of PD mobile power supplies, and the PCB detection plate 231 is used for aging detection of the PD mobile power supply, the device can adjust the spacing between the plurality of clamping plates 22 according to the size and model of the PD mobile power supply, so as to clamp and fix a plurality of groups of PD mobile power supplies of different models, ensure stable electrical connection and mechanical fixation of the PD mobile power supply during the aging detection process, thereby improving the accuracy and reliability of the aging test, when the two push blocks 214 are close to each other, the moving plate 252 can be extruded to move downward under the cooperation of the two hinged rods 251 and the limiting action of the two connecting rods 253, so that the pressing plate 255 can be attached to the top of the PD mobile power supply, when the PD mobile power supply expands in a high-temperature environment, the pressing plate 255 will be extruded to move upward, at this time, the spring 256 will be compressed, and the connecting rod 254 will abut against the pressure detection plate 25, so that the pressure detection plate 25 can detect the expansion amplitude and effectively protect and control the detection process of the PD mobile power supply.

[0065] Through the fixed frame 31 and the air outlet 34, when the driving motor two 342 drives the rotating rod 343 and the impeller 344 to rotate, the air inside the plurality of detection boxes 21 is communicated and circulated with the external air, thereby heat exchanging the plurality of detection boxes 21, improving the heat exchange efficiency of the plurality of detection boxes 21, and ensuring that the detection boxes 21 can reach the specified detection temperature in a short time.

[0066] Through the heat dissipation part 3, when the driving resistance wire 331 heats the air inside the heating cavity 33, the impeller 344 rotates to guide the external air into the heating cavity 33 through the air inlet 332 for heating, and then guide the heated air into the detection box 21 through the air outlet 333, so that the PD mobile power inside the three detection boxes 21 can be heated by hot air, and the heated air is guided out through the air outlet 34. The three detection boxes 21 are heated independently in turn, so that the three groups of PD mobile power of different sizes can be aged in different environments, and the comparison data improves the accuracy and efficiency of the aging detection.

[0067] It should be noted that in this document, the terms such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0068] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An aging detection device of a PD mobile power supply, The utility model relates to a cabinet for aging detection of PD mobile power supply, and belongs to the technical field of mobile power supply. Its characterized in include: The cabinet (1) is internally provided with a plurality of clamping parts (2), and the cabinet (1) is externally provided with a heat dissipation part (3); Wherein, the clamping part (2) is used for clamping and fixing a plurality of PD mobile power supplies, and then detecting the mobile power supplies through a detection mechanism, and the heat dissipation part (3) is used for circulating the cabinet (1) and external air to simulate various working conditions under actual use environment; The clamping part (2) comprises: Three detection boxes (21) are used for respectively bearing PD mobile power supply detection of different body types, a motor one (211) is fixedly connected to the left side of each of the three detection boxes (21), a double-way threaded rod (212) is fixedly connected to the output end of each of the three motors one (211) through a shaft coupling, the three double-way threaded rods (212) are respectively rotationally penetrated into the three detection boxes (21), a sliding rod (213) is fixedly connected to the inner wall of each of the three detection boxes (21), two push blocks (214) are threadedly connected to the outer wall of each of the three double-way threaded rods (212), and the plurality of push blocks (214) are respectively and slidably connected to the outer wall of the three sliding rods (213); A plurality of clamping plates (22) are slidably connected to the outer wall of each of the three sliding rods (213), a sliding block (221) is fixedly connected to each of the plurality of clamping plates (22), a spring one (222) is fixedly connected between each of the three sliding blocks (221), and the plurality of spring ones (222) are respectively wound on the outer wall of each of the three sliding rods (213); 2. The aging detection device of a PD mobile power supply according to claim 1, characterized in that; A pressure detection plate (25) is fixedly connected to the top of each of the plurality of detection boxes (21), a hinged rod (251) is hingedly connected to the side of each of the two push blocks (214) that are close to each other, a moving plate (252) is hingedly connected to the bottom end of each of the two hinged rods (251), and two connecting rods one (253) are fixedly connected to the inner wall of the detection box (21) and slidably penetrated into the moving plate (252).

3. The aging detection device of a PD mobile power supply according to claim 2, characterized in that; A heat insulation cavity one (23) is formed in the inner part of each of the three detection boxes (21), a heat insulation layer is coated on the inner wall of each of the three heat insulation cavities one (23), the detection mechanism comprises a plurality of PCB detection plates (231) fixedly connected to the inner wall of the heat insulation cavity one (23), a data line (232) is arranged on each of the plurality of PCB detection plates (231), and the plurality of data lines (232) extend into the inner part of the detection box (21). A connector (233) is arranged on the end of each of the plurality of data lines (232) that is away from the PCB detection plate (231), and a cabinet door (24) is hingedly connected to the front side of each of the three detection boxes (21). Wherein, the connector (233) is used for being inserted into the interface of the PD mobile power supply, and the PCB detection plate (231) is used for detecting the aging of the PD mobile power supply.

4. The aging detection device of a PD mobile power supply according to claim 3, characterized in that; A plurality of connecting rods two (254) are through the mobile plate (252), the bottom end of a plurality of connecting rods two (254) are fixedly connected with the pressing plate (255), a plurality of pressing plates (255) are located above a plurality of joints (233), the outer wall of a plurality of connecting rods two (254) are wound with spring two (256), one end of spring two (256) is fixedly connected with the mobile plate (252), the other end of spring two (256) is fixedly connected with the pressing plate (255).

5. The aging detection device of a PD mobile power supply according to claim 4, characterized in that; The heat dissipation part (3) comprises: The fixed frame (31) is fixedly installed on the inner wall of the cabinet body (1), the heat dissipation part (3) is used for hot air heating of the PD mobile power supply, the fixed frame (31) is used for bearing three detection boxes (21), a heat insulation cavity two (32) is arranged between the fixed frame (31) and the left inner wall of the cabinet body (1), the inner wall of the heat insulation cavity two (32) is coated with a heat insulation layer, three motor ones (211) are located in the heat insulation cavity two (32) to protect the three motor ones (211).

6. The aging detection device of a PD mobile power supply according to claim 5, characterized in that; The bottom of each detection box (21) is provided with a heating cavity (33), the inner wall of each heating cavity (33) is fixedly connected with a resistance wire (331), the rear side of each heating cavity (33) is provided with an air inlet (332), the inner bottom of each detection box (21) is provided with an air guide opening (333), the right side of each detection box (21) is provided with an air outlet (34), the right side of the cabinet body (1) is provided with a fan housing (341), the rear side of the fan housing (341) is fixedly connected with a motor two (342), the output end of the motor two (342) is fixedly connected with a rotating rod (343) through a shaft coupling, and the outer wall of the rotating rod (343) is fixedly connected with an impeller (344).

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