CN113640698B

CN113640698B - Power supply aging test equipment

Info

Publication number: CN113640698B
Application number: CN202111185359.7A
Authority: CN
Inventors: 田斌
Original assignee: Nantong Tenghao Electronics Co ltd
Current assignee: Nantong Tenghao Electronics Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2021-12-14
Anticipated expiration: 2041-10-12
Also published as: CN113640698A

Abstract

The invention discloses a power supply aging test device, which belongs to the technical field of power supply circuit test and comprises a test box body, wherein a test circuit element and a display instrument are fixedly assembled at the top of the test box body, a base is fixedly assembled at the bottom of the test box body, a heating limiting mechanism is fixedly installed at the top of the base, and a temperature control mechanism is arranged at one side of the test box body. The testing box body can adapt to the heating processing capacity of power supplies with different thicknesses, the heating seat can simulate the heat conduction influence of other circuit elements when the power supplies work through the heating of the heat transfer plate, the monitoring, acquisition and processing of power supply aging testing data under different temperature states by the testing element of the testing box body are facilitated, the heat transfer plate is used for limiting and fixing the motor through the matching of the rear side fixing sleeve and the limiting nut, the testing safety and stability of the motor are improved, the influence of the external shaking during testing on the data is avoided, and the testing safety and accuracy are effectively improved.

Description

Power supply aging test equipment

Technical Field

The invention belongs to the technical field of power supply circuit testing, and particularly relates to power supply aging testing equipment.

Background

The power supply is equipment which forms a filtering voltage stabilizing circuit through multiple elements and realizes voltage conversion, and the power supply is generally required to be subjected to factory inspection through aging equipment for safety consideration before factory leaving, so that the working problem in an actual use environment is facilitated, and the factory use safety is improved.

Chinese patent publication No. CN210605021U discloses an intelligent security experience system and a circuit overload simulation experience device thereof, including: the shell comprises a base platform, a back plate, a top plate and two side plates; the wire interface comprises a plurality of groups of wire interfaces arranged on a back plate, each group of wire interfaces comprises two wiring terminals, a wire to be tested and observed is electrically connected between the two wire interfaces, a plurality of accommodating grooves for accommodating the wire are arranged on the back plate, and at least one group of wire interfaces is arranged in each accommodating groove; a power supply module; and each regulating circuit is used for regulating the voltage and/or the current of the lead connected to the corresponding lead interface. The power-on demonstration of a plurality of groups of different wires playing a role in comparison is watched at the same time, the voltage and/or current of each wire can be controlled respectively, and certain defects still exist in the practical use process, such as the lack of the requirement for adaptive regulation and control of power supply equipment during aging test simulation due to the change of circuit voltage caused by different temperatures, and the influence on the accuracy of the power supply aging test.

Disclosure of Invention

The invention aims to: the power supply aging test equipment is provided for solving the problem that the power supply equipment lacks of adaptability requirements during aging test simulation due to the fact that the circuit voltage of the power supply equipment is changed due to different temperatures.

In order to achieve the purpose, the invention adopts the following technical scheme:

a power supply aging test device comprises a test box body, wherein a test circuit element and a display instrument are fixedly assembled at the top of the test box body, a base is fixedly assembled at the bottom of the test box body, a heating limiting mechanism is fixedly installed at the top of the base, a temperature control mechanism is arranged on one side of the test box body and used for adjusting the temperature environment in the test box body during circuit test, a wiring mechanism is fixedly connected to the rear side of the test box body, and a supporting mechanism is fixedly installed on the rear side of the wiring mechanism;

temperature control mechanism is including inserting the connection and seting up the fishplate bar in the cell body in test box one side, and fishplate bar one side has seted up a plurality of air leakage grooves for to the internal ventilation cooling of test box, a plurality of air inlets have all been seted up to test box one side cell body inner chamber both sides for the heat dissipation with air leakage groove intercommunication after the fishplate bar removes, the laminating of air inlet one side has accuse temperature fan housing, accuse temperature fan housing swing joint is in test box one side, accuse temperature fan housing one side intercommunication has defeated tuber pipe for with outside heat transfer medium intercommunication accuse temperature, heating stop gear includes the heat transfer plate of two relative settings, is used for carrying out control by temperature change aging testing through heat transfer intensification.

As a further description of the above technical solution:

the heating limiting machine further comprises a testing seat, a hinged seat is fixedly connected to the top of the testing seat, a hinged plate is hinged to one side of the hinged seat through a hinge pin, a limiting stud is fixedly connected to the top of the hinged plate, the outer side wall of the limiting stud is in threaded connection with two limiting nuts, the limiting nuts are sleeved with two fixing sleeves arranged on the outer side of the middle of the limiting stud in a sleeved mode, a connecting seat is fixedly connected to one side of the fixing sleeve, two heating seats are fixedly mounted in the inner cavity of the connecting seat, the inner cavity of each heating seat is fixedly connected to one side of a heat transfer plate, and the two sides of each heating seat are fixedly mounted through clamping rods.

As a further description of the above technical solution:

the heat transfer plate is an aluminum insulating heat transfer plate, a plurality of heating resistance wires are fixedly arranged in the inner cavity of the heat transfer plate, the resistance wires are connected with the heating base on one side, and the heat transfer plate is movably connected with the heating base on one side.

As a further description of the above technical solution:

the equal fixedly connected with telescopic link in fender board one side both ends, telescopic link one end and test box one side cell body inner chamber fixed connection, and the equal fixedly connected with fixture block in test box one side both ends, the fixture block cross sectional shape is L shape, and the fixture block joint is in accuse temperature fan housing inner chamber one side, accuse temperature fan housing is flexible heat exchanger that separates, defeated tuber pipe inner chamber inlays to be equipped with and shields the cover.

As a further description of the above technical solution:

wiring mechanism includes the slide of two relative settings, slide fixed connection is at the base top, sliding connection has the slider in the slide, and fixedly connected with junction frame between the slider of both sides, junction frame inner chamber sliding connection has a plurality of wiring modules.

As a further description of the above technical solution:

the cross section shapes of the sliding block and the sliding seat inner cavity are both T-shaped, and one side of the sliding block is fixedly connected with a plurality of balls for reducing friction between the sliding block and the sliding seat inner cavity.

As a further description of the above technical solution:

wiring module bottom fixedly connected with rank dress piece, and the wiring module passes through rank dress piece sliding connection is in the spout that the junction frame inner chamber was seted up, a plurality of spacing grooves have been seted up at junction frame inner chamber top, wiring module top fixedly connected with stopper, and the stopper joint is at spacing inslot, and the stopper is elasticity metal component, and the wiring module rear side is linked together through cable and test box top test element, and a plurality of cell bodies of wiring module front end are equipped with binding post for be linked together through cable and module power source.

As a further description of the above technical solution:

the top of the wiring module is fixedly connected with a heat dissipation fin, and the top of the heat dissipation fin is provided with a plurality of heat dissipation grooves.

As a further description of the above technical solution:

the supporting mechanism includes the support frame, the support frame is two supporting parts and laminates relatively and constitutes, and the equal fixedly connected with fixed block in supporting part both sides, and supporting part both sides relative position all inlays and is equipped with a plurality of wiring covers, the sliding sleeve has been inlayed at the fixed block top, sliding connection has the slide bar in the sliding sleeve, slide bar top fixedly connected with kicking block, slide bar bottom fixedly connected with connecting plate, connecting plate fixed connection is in wiring mechanism one side, slide bar lateral wall cover is equipped with the spring, spring one end and kicking block bottom fixed connection, the spring other end corresponds fixed connection with the sliding sleeve top.

As a further description of the above technical solution:

the test box body top has been seted up and has been inserted the groove, and inserts and put the inslot and put and be connected with the guard plate, and the guard plate bottom laminates with the base top mutually, the cross sectional shape of inserting the groove is semi-circular.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. in the invention, after a power supply to be tested is inserted from the corresponding positions at two sides of the heat transfer plate, the axial positions of the fixed sleeve and the connecting seat at one side are adjusted and limited by screwing the limiting nut to rotate outside the limiting screw thread, the connecting seat can move to pull the heating seat at one side and the heat transfer plate to adjust the relative distance, thereby can adapt to the heat treatment ability of different thickness power, and the heating seat can be through to the heat conduction influence of heat transfer board heating simulation power at the during operation other circuit components, be favorable to testing box test element and acquire the processing to the control of power ageing test data under the different temperature state, the heat transfer board carries out spacing fixed through the cooperation of the fixed cover of rear side and limit nut to the motor, improve its test security and stability, avoid testing the outside influence of rocking the production of data, effectively improve test security and accuracy.

2. According to the invention, when the motor aging test is carried out, the relative communication area of the air leakage groove and the air inlet groove can be adjusted by sliding the connecting baffle plate in the groove body on one side, so that the circulation of the temperature control air cover and an external heat exchange medium can be controlled, the change of the external heat dissipation environment from the working limit heat pressure of the power supply to the current data in the heat dissipation state can be simulated during the test, the diversity and adjustability of the test conditions are improved, the heat exchange air flow can be inserted into the temperature control air cover through the shielding cover on one side, the heat increase or heat dissipation is realized, the shielding cover can reduce the leakage of air through the self sealing capacity, and the stability and durability of the test environment are improved.

3. According to the invention, after the power supply is inserted into the heat transfer plates on the two sides and fixed, the power supply can realize assembly connection with the rear side wiring module through the power supply connecting wire, so that wiring connection with test equipment can be realized through the wiring module, the overall test wiring efficiency is effectively improved, the wiring module can relatively slide in the sliding groove through the bottom step mounting block, the relative position is adjusted to adapt to the wiring requirement, meanwhile, the incremental arrangement of a plurality of groups of wiring frames and wiring modules can be realized through the sliding connection of the wiring frames in the sliding seat, and the wiring requirement of multi-interface power supplies or a plurality of groups of common tests can be met.

4. According to the invention, through the designed protection plate, when the power supply generates a fire or deflagration phenomenon due to overlarge aging test current and temperature pressure, the protection plate can resist corresponding impact through protection on one side of the test box body, so that the influence on an external test environment and top test element equipment is avoided, the test safety is effectively improved, and the protection plate can realize stable sliding in the insertion groove through arc structures on two sides.

5. According to the invention, the rear side cable of the wiring module can be guided and processed by inserting the rear side wiring sleeve, the support frame can slide outside the slide rod at the corresponding position through the fixed blocks at two sides and the sliding sleeve, the spring can be synchronously extruded when the sliding sleeve moves, so that the accepting and resisting capacity of the wiring cable can be realized, the supporting effect of the spring is ensured, the wiring sleeve can reduce the accumulation of heat at the interface through the arrangement of heat exchange materials, the emission capacity of the temperature at the interface of the cable is improved, meanwhile, the wiring module can realize the increase of the air contact area through the top heat radiation fins, the heat radiation processing can be effectively carried out on the wiring terminal per se, and the influence on the test precision is avoided.

Drawings

Fig. 1 is a schematic perspective view of a power supply aging test apparatus according to the present invention;

fig. 2 is a schematic diagram of a disassembled structure of a power supply aging test device according to the present invention;

FIG. 3 is a schematic view of an assembly structure of a heating limiting mechanism of the power supply aging test device according to the present invention;

FIG. 4 is a schematic diagram of a disassembled structure of a heating limiting mechanism of the power supply aging test device provided by the invention;

FIG. 5 is a schematic diagram of a wiring mechanism of the power supply aging test device according to the present invention;

FIG. 6 is a schematic view of a wiring mechanism assembly structure of a power supply aging test device according to the present invention;

fig. 7 is a schematic perspective view of a wiring module of a power supply aging test device according to the present invention.

Illustration of the drawings:

1. testing the box body; 2. a temperature control mechanism; 201. a temperature control fan cover; 202. a wind delivery pipe; 203. a shielding cover; 204. a blocking plate; 205. a telescopic rod; 206. a wind leaking groove; 207. an air inlet groove; 208. a clamping block; 3. a base; 4. a wiring mechanism; 401. a wire frame; 402. a wiring module; 403. a slide base; 404. a slider; 405. a limiting groove; 406. a limiting block; 407. heat dissipation fins; 408. a ball bearing; 409. a chute; 5. a support mechanism; 501. a support frame; 502. a wiring sleeve; 503. a fixed block; 504. a slide bar; 505. a connecting plate; 506. a top block; 507. a spring; 6. a heating limiting mechanism; 601. a test seat; 602. a hinged seat; 603. a limit nut; 604. a limiting stud; 605. a hinge plate; 606. fixing a sleeve; 607. a connecting seat; 608. a heating base; 609. a heat transfer plate; 610. a clamping rod; 7. and (4) a protective plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a power supply aging test device comprises a test box body 1, wherein a test circuit element and a display instrument are fixedly assembled at the top of the test box body 1, a base 3 is fixedly assembled at the bottom of the test box body 1, a heating limiting mechanism 6 is fixedly installed at the top of the base 3, a temperature control mechanism 2 is arranged on one side of the test box body 1 and used for adjusting the temperature environment in the test box body 1 during circuit testing, a wiring mechanism 4 is fixedly connected to the rear side of the test box body 1, and a supporting mechanism 5 is fixedly installed on the rear side of the wiring mechanism 4;

the heating limiting mechanism 6 comprises two heat transfer plates 609 which are arranged oppositely and used for carrying out temperature control aging test through heat transfer and temperature rise, the heating limiting machine further comprises a test seat 601, the top of the test seat 601 is fixedly connected with a hinge seat 602, one side of the hinge seat 602 is hinged with a hinge plate 605 through a pin shaft, the top of the hinge plate 605 is fixedly connected with a limiting stud 604, the outer side wall of the limiting stud 604 is in threaded connection with two limiting nuts 603, the limiting nuts 603 are attached to two fixing sleeves 606 which are sleeved on the outer side of the middle part of the limiting stud 604, one side of the fixing sleeves 606 is fixedly connected with a connecting seat 607, the inner cavity of the connecting seat 607 is fixedly provided with two heating seats 608, the inner cavity of each heating seat 608 is fixedly connected with one side of the heat transfer plate 609, the heating seats 608 on the two sides are fixedly arranged through clamping rods 610, and the heat transfer plate 609 is an aluminum insulating heat transfer plate, the inner cavity of the heat transfer plate 609 is fixedly provided with a plurality of heating resistance wires, the resistance wires are connected with a heating seat 608 at one side, and the heat transfer plate 609 is movably connected through the heating seat 608 at one side.

The implementation mode is specifically as follows: after the power supply to be tested is inserted from the corresponding positions of the two sides of the heat transfer plate 609, the limit nut 603 is screwed to rotate outside the limit thread to realize the adjustment limit of the axial positions of the fixed sleeve 606 and the connecting seat 607, the connecting seat 607 can move to pull the heating seat 608 on one side and the heat transfer plate 609 to adjust the relative distance, so that the heat treatment capacity of the power supplies with different thicknesses can be adapted, the heating seat 608 can heat the heat transfer plate 609 through the resistance wire, the heat conduction influence of other circuit elements when the power supply works can be simulated, the monitoring and acquisition processing of power supply aging test data of the test element of the test box 1 in different temperature states can be facilitated, the relative positions of the heating seats 608 on the two sides can be adjusted after the test element is moved out of the buckle on one side of the clamping rod 610, so that the relative positions of the heat transfer plate 609 on the surface of the heating seat 608 can be adjusted, and the heat transfer plate 609 can fully limit the motor through the matching of the fixed sleeve 606 on the rear side and the limit nut 603 The position is fixed, and the test safety and stability of the test device are improved.

The temperature control mechanism 2 comprises a baffle plate 204 inserted and connected into a groove body arranged on one side of the test box body 1, a plurality of air leakage grooves 206 are arranged on one side of the baffle plate 204 and used for ventilating and radiating heat in the test box body 1, a plurality of air inlet grooves 207 are arranged on both sides of an inner cavity of the groove body on one side of the test box body 1 and used for communicating and radiating heat with the air leakage grooves 206 after the baffle plate 204 moves, a temperature control air hood 201 is attached to one side of the air inlet grooves 207, the temperature control air hood 201 is movably connected to one side of the test box body 1, an air conveying pipe 202 is communicated with one side of the temperature control air hood 201 and used for communicating and controlling temperature with an external heat exchange medium, a telescopic rod 205 is fixedly connected to both ends of one side of the baffle plate 204, one end of the telescopic rod 205 is fixedly connected with the inner cavity of the groove body on one side of the test box body 1, a fixture block 208 is fixedly connected to both ends of one side of the test box body 1, the cross section of the fixture block 208 is L-shaped, and the fixture block 208 is clamped on one side of the inner cavity of the temperature control air hood 201, temperature control fan housing 201 is flexible thermal shroud, defeated tuber pipe 202 inner chamber inlays and is equipped with and shields cover 203, the insertion groove has been seted up at test box 1 top, and inserts to put in the groove and put and be connected with guard plate 7, and guard plate 7 bottom and the laminating of 3 tops mutually of base, the cross sectional shape of insertion groove is semi-circular.

As shown in fig. 1-2, the embodiment specifically is: when the motor aging test is carried out, the internal temperature of the test box body 1 can adjust the relative communication area of the air leakage groove 206 and the air inlet groove 207 through sliding the baffle plate 204 in the groove body at one side, the circulation of the temperature control air hood 201 and an external heat exchange medium can be controlled, the change of the external heat dissipation environment to the power supply working current data can be simulated, the baffle plate 204 can be more stable through sliding the rear side telescopic rod 205 in the groove body, the slippage caused by external impact can be avoided, the temperature control air hood 201 can insert heat exchange air flow into the shielding cover 203 at one side to realize the heat increase or heat dissipation, the shielding cover 203 can reduce the leakage of air through self-sealing capacity, the stability and durability of the test environment are improved, and when the power supply generates fire or deflagration phenomenon due to the aging test current and excessive temperature pressure, the protection plate 7 can resist the corresponding impact through protection at one side of the test box body 1, the influence on an external test environment and top test element equipment is avoided, and the test safety is effectively improved.

The wiring mechanism 4 comprises two sliding seats 403 which are oppositely arranged, the sliding seats 403 are fixedly connected to the top of the base 3, sliding blocks 404 are connected in the sliding seats 403 in a sliding mode, wiring frames 401 are fixedly connected between the sliding blocks 404 on the two sides, an inner cavity of the wiring frame 401 is connected with a plurality of wiring modules 402 in a sliding mode, the cross sections of the inner cavities of the sliding blocks 404 and the sliding seats 403 are both T-shaped, a plurality of balls 408 are fixedly connected to one sides of the sliding blocks 404 and used for reducing friction between the sliding blocks 404 and the inner cavities of the sliding seats 403, stepped assembling blocks are fixedly connected to the bottoms of the wiring modules 402, the wiring modules 402 are connected in sliding grooves 409 formed in the inner cavity of the wiring frame 401 in a sliding mode through the stepped assembling blocks, a plurality of limiting grooves 405 are formed in the top of the inner cavity of the wiring frame 401, limiting blocks 406 are fixedly connected to the tops of the wiring modules 402, the limiting blocks 406 are clamped in the limiting grooves 405, and the limiting blocks 406 are elastic metal members, and the rear side of the wiring module 402 is communicated with the testing component at the top of the testing box body 1 through a cable, and a plurality of groove bodies at the front end of the wiring module 402 are provided with wiring terminals for communicating with the module power interface through the cable, the top of the wiring module 402 is fixedly connected with a heat radiation fin 407, and the top of the heat radiation fin 407 is provided with a plurality of heat radiation grooves, the support mechanism 5 comprises a support frame 501, the support frame 501 is formed by relatively laminating two support parts, both sides of the support parts are fixedly connected with a fixed block 503, and the opposite positions at both sides of the support parts are respectively embedded with a plurality of wiring sleeves 502, the top of the fixed block 503 is embedded with a sliding sleeve, the sliding sleeve is internally and slidably connected with a sliding rod 504, the top end of the sliding rod 504 is fixedly connected with a top block 506, the bottom end of the sliding rod 504 is fixedly connected with a connecting plate 505, the connecting plate 505 is fixedly connected to one side of the wiring mechanism 4, and the outer side wall of the sliding rod 504 is sleeved with a spring 507, one end of the spring 507 is fixedly connected with the bottom of the top block 506, and the other end of the spring 507 is fixedly connected with the corresponding position of the top of the sliding sleeve.

As shown in fig. 3 to 7, the embodiment specifically is: after the power supply is inserted into the heat transfer plates 609 at the two sides for fixation, the power supply can realize the assembly connection with the rear side wiring module 402 through the power supply connection wire, thereby realizing the connection with the test equipment through the wiring module 402, effectively improving the overall test wiring efficiency, and the wiring module 402 can relatively slide in the sliding groove 409 through the bottom step mounting block, adjusting the relative position to adapt to the wiring requirement, and simultaneously realizing the incremental arrangement of a plurality of groups of wiring frames 401 and wiring modules 402 through the sliding connection of the wiring frames 401 in the sliding seat 403, thereby meeting the wiring requirement of multi-interface power supply or common test, and the wiring frames 401 can more stably slide in the sliding seat 403 through the T-shaped sliding blocks 404 at the two sides, and the sliding blocks 404 can be abutted and fixed through a plurality of arc-shaped grooves of the ball 408 at one side in the sliding seat 403, thereby realizing the self-limiting adjustment and control processing of the wiring frames 401, and the back side cable of the wiring module 402 can be guided and processed by inserting into the back side wiring sleeve 502, and the supporting frame 501 can slide outside the sliding rod 504 at the corresponding position through the fixing blocks 503 at the two sides and the sliding sleeve, the sliding sleeve can synchronously press the spring 507 when moving, thereby realizing the bearing and resisting ability to the wiring cable, and the top block 506 can realize the energy absorption treatment by the abutting to the spring 507, thereby ensuring the supporting effect of the spring 507, and the wiring sleeve 502 can reduce the accumulation of heat at the interface through the arrangement of heat exchange material, thereby improving the radiating ability of the temperature at the interface of the cable, meanwhile, the wiring module 402 can realize the increase of the air contact area through the top radiating fin 407, effectively carry out the heat radiation treatment to the self wiring terminal, thereby avoiding influencing the test precision, meanwhile, the wiring module 402 can realize the limit clamping to the limit groove 405 through the top limit block 406, the limiting support capability after the position of the wiring module 402 is adjusted is ensured, and the wiring module 402 is prevented from deviating due to bending stress of the wiring harness.

The working principle is as follows: when the test device is used, after a tested power supply is inserted from corresponding positions on two sides of the heat transfer plate 609, the limit nut 603 is screwed to rotate outside the limit thread to realize the adjustment and the limit of the axial positions of the fixing sleeve 606 and the connecting seat 607 on one side, the connecting seat 607 moves to pull the heating seat 608 on one side and the heat transfer plate 609 to adjust the relative distance, and the heating seat 608 performs heating simulation on the heat transfer plate 609 by heating a resistance wire;

when the motor aging test is carried out, the internal temperature of the test box body 1 adjusts the relative communication area of the air leakage groove 206 and the air inlet groove 207 through the sliding of the drawing baffle plate 204 in the groove body on one side, the change of the external heat dissipation environment to the power supply working current data is simulated, the heat exchange air flow is inserted into the temperature control air cover 201 through the shielding cover 203 on one side, the heat increase or heat dissipation is realized, and the shielding cover 203 reduces the air leakage through the self sealing capacity;

after a power supply is inserted into heat transfer plates 609 at two sides for fixation, the power supply realizes assembly connection with a rear-side wiring module 402 through a power supply connecting line, the wiring connection with test equipment is realized through the wiring module 402, the wiring module 402 slides relatively in a sliding groove 409 through a bottom step mounting block, the relative position is adjusted to adapt to the wiring, meanwhile, the incremental arrangement of a plurality of groups of wiring frames 401 and wiring modules 402 is realized through the sliding connection of the wiring frames 401 in a sliding seat 403, the wiring frames 401 are more stable through the sliding of T-shaped sliding blocks 404 at two sides in the sliding seat 403, the sliding blocks 404 are abutted and fixed through a plurality of arc-shaped grooves of a ball 408 at one side in the sliding seat 403 for self-limiting adjustment and control processing of the wiring frames 401, a rear-side cable of the wiring module 402 is guided through insertion into a rear-side wiring sleeve 502, and a support frame 501 slides outside a sliding rod 504 at a corresponding position through fixed blocks 503 and a sliding sleeve at two sides, the sliding sleeve synchronously extrudes the spring 507 when moving, so that the accepting and resisting capacity of the wiring cable is realized, the top block 506 realizes energy absorption treatment through the abutting of the spring 507, and meanwhile, the wiring module 402 realizes the increase of the air contact area through the top heat radiation fins 407, and effectively performs heat radiation treatment on the wiring terminal.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The power supply aging test equipment comprises a test box body (1), wherein a test circuit element and a display instrument are fixedly assembled at the top of the test box body (1), and a base (3) is fixedly assembled at the bottom of the test box body (1), and is characterized in that a heating limiting mechanism (6) is fixedly installed at the top of the base (3), a temperature control mechanism (2) is arranged on one side of the test box body (1) and used for adjusting the temperature environment in the test box body (1) during circuit test, a wiring mechanism (4) is fixedly connected to the rear side of the test box body (1), and a supporting mechanism (5) is fixedly installed at the rear side of the wiring mechanism (4);

the temperature control mechanism (2) comprises a blocking plate (204) which is inserted and connected into a groove body formed in one side of the test box body (1), a plurality of air leakage grooves (206) are formed in one side of the blocking plate (204) and used for ventilating and radiating heat in the test box body (1), a plurality of air inlet grooves (207) are formed in one side of the test box body (1) and used for communicating and radiating the blocking plate (204) with the air leakage grooves (206) after moving, a temperature control air cover (201) is attached to one side of the air inlet grooves (207), the temperature control air cover (201) is movably connected to one side of the test box body (1), an air conveying pipe (202) is communicated to one side of the temperature control air cover (201) and used for communicating and controlling temperature with an external heat exchange medium, and the heating limiting mechanism (6) comprises two heat transfer plates (609) which are arranged oppositely and used for carrying out temperature control aging test through heat transfer and temperature rise;

the heating limiting machine further comprises a test seat (601), the top of the test seat (601) is fixedly connected with a hinged seat (602), one side of the hinged seat (602) is hinged with a hinged plate (605) through a pin shaft, the top of the hinged plate (605) is fixedly connected with a limit stud (604), the outer side wall of the limit stud (604) is in threaded connection with two limit nuts (603), two fixed sleeves (606) sleeved on the outer side of the middle of the limit stud (604) are attached to the limit nuts (603), one side of each fixed sleeve (606) is fixedly connected with a connecting seat (607), two heating seats (608) are fixedly installed in the inner cavity of the connecting seat (607), the inner cavities of the heating seats (608) are fixedly connected with one side of a heat transfer plate (609), and the heating seats (608) on two sides are fixedly installed through clamping rods (610).

2. The power supply aging test device as claimed in claim 1, wherein the heat transfer plate (609) is an aluminum insulating heat conduction plate, a plurality of heating resistance wires are fixedly arranged in the inner cavity of the heat transfer plate (609), the resistance wires are connected with the heating seat (608) on one side, and the heat transfer plate (609) is movably connected with the heating seat (608) on one side.

3. The power supply aging testing device according to claim 1, wherein both ends of one side of the blocking plate (204) are fixedly connected with a telescopic rod (205), one end of the telescopic rod (205) is fixedly connected with an inner cavity of a groove body on one side of the testing box body (1), both ends of one side of the testing box body (1) are fixedly connected with a clamping block (208), the cross section of the clamping block (208) is L-shaped, the clamping block (208) is clamped on one side of an inner cavity of the temperature control fan housing (201), the temperature control fan housing (201) is a flexible heat insulation cover, and a shielding cover (203) is embedded in an inner cavity of the air conveying pipe (202).

4. The power supply aging test device according to claim 1, wherein the wiring mechanism (4) comprises two oppositely arranged sliding seats (403), the sliding seats (403) are fixedly connected to the top of the base (3), sliding blocks (404) are slidably connected in the sliding seats (403), a wiring frame (401) is fixedly connected between the sliding blocks (404) on two sides, and a plurality of wiring modules (402) are slidably connected in an inner cavity of the wiring frame (401).

5. The power supply aging testing device is characterized in that the cross sections of the inner cavities of the sliding block (404) and the sliding seat (403) are both T-shaped, and a plurality of balls (408) are fixedly connected to one side of the sliding block (404) and used for reducing friction between the sliding block (404) and the inner cavity of the sliding seat (403).

6. The power supply aging testing device according to claim 4, wherein a step assembling block is fixedly connected to the bottom of the wiring module (402), the wiring module (402) is slidably connected into a sliding groove (409) formed in an inner cavity of the wiring frame (401) through the step assembling block, a plurality of limiting grooves (405) are formed in the top of the inner cavity of the wiring frame (401), a limiting block (406) is fixedly connected to the top of the wiring module (402), the limiting block (406) is clamped in the limiting groove (405), the limiting block (406) is an elastic metal member, the rear side of the wiring module (402) is communicated with a testing element on the top of the testing box body (1) through a cable, and a plurality of groove bodies in the front end of the wiring module (402) are provided with wiring terminals for being communicated with a module power supply interface through cables.

7. The power supply aging testing device according to any one of claims 4 to 6, wherein a heat dissipation fin (407) is fixedly connected to the top of the wiring module (402), and a plurality of heat dissipation grooves are formed in the top of the heat dissipation fin (407).

8. The power supply aging test device according to claim 1, wherein the support mechanism (5) comprises a support frame (501), the support frame (501) is formed by two support parts which are oppositely attached, fixing blocks (503) are fixedly connected with both sides of the supporting part, a plurality of wire sleeves (502) are embedded in opposite positions of both sides of the supporting part, a sliding sleeve is embedded at the top of the fixed block (503), a sliding rod (504) is connected in the sliding sleeve in a sliding way, the top end of the sliding rod (504) is fixedly connected with a top block (506), the bottom end of the sliding rod (504) is fixedly connected with a connecting plate (505), the connecting plate (505) is fixedly connected with one side of the wiring mechanism (4), a spring (507) is sleeved on the outer side wall of the sliding rod (504), one end of the spring (507) is fixedly connected with the bottom of the top block (506), and the other end of the spring (507) is fixedly connected with the corresponding position of the top of the sliding sleeve.

9. The power supply aging testing device according to claim 1, wherein an insertion groove is formed in the top of the testing box body (1), a protection plate (7) is inserted and connected in the insertion groove, the bottom of the protection plate (7) is attached to the top of the base (3), and the cross section of the insertion groove is semicircular.