Burn-in board structure special for DC-DC power supply module test

Abstract

The utility model discloses a special burn-in board structure for testing a DC-DC power supply module, which comprises a fixed supporting plate, the top end of the fixed supporting plate is provided with an burn-in test board, the back of the fixed supporting plate is symmetrically embedded with two fixed side plates, and one side of each fixed side plate is rotatably sleeved with a rotary cover plate. According to the utility model, the rotary cover plate, the fixed rotating shaft, the fixed supporting plate and the arc-shaped side plate are arranged and are matched with one another, so that the rotary cover plate is driven to rotate and be buckled above the fixed supporting plate through the fixed rotating shaft on one side of the fixed side plate; according to the aging test board and the DC-DC power supply module, when the limiting top plate drives the arc-shaped side plates to rotate and move towards one side of the locking plate, the two arc-shaped side plates can be clamped with the adaptive limiting blocks, and when the aging test board and the DC-DC power supply module are integrally tested by using the rotating cover plate, a temporary semi-closed state is formed; the heat dissipation effect of the power supply module in a semi-sealed state after assembly is simulated, and the accuracy degree of a final test result of an experiment is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to DC-DC power module test technical field, more specifically, the utility model is a kind of DC-DC power module test special ageing board structure. BACKGROUND

[0002] DC-DC power module needs to be powered on for a long time after production and manufacturing to achieve the purpose of testing the yield of the same batch of products, and an ageing board is needed to bear the power module during this process, one of the purposes of the ageing board is to fix the power module, and the second is to simulate the real use environment of the power module. Among the test experiments of the ageing board structure to the power module, especially the burn-in test, which is crucial to the electronic industry, it can enable component manufacturers to determine whether the products of the batch can operate reliably without premature failure. The results of the burn-in test help to draw a "bathtub curve", which shows the failure characteristics of the products under test. Defective components usually fail in the early stages of their application environment. After testing, engineers can identify design and manufacturing defects and correct them to ensure the quality of the products.

[0003] However, it still has some shortcomings in actual use. When the current ageing board is used to burn-in test the power module, since the ageing board is directly connected with the outside space, it cannot simulate the heat dissipation effect of the power module in the semi-sealed state after assembly, which leads to the error caused by the high-frequency heat exchange between the outside and the power module. UTILITY MODEL CONTENTS

[0004] In order to overcome the above-mentioned defects of the prior art, the embodiments of the utility model provide a kind of DC-DC power module test special ageing board structure, by setting rotating cover plate and fixed pivot and fixed supporting plate and arc side plate, utilize the mutual cooperation of its several, first the ageing test board and power module are placed on fixed supporting plate, when being driven rotating cover plate is rotated and is buckled in the top of fixed supporting plate by fixed pivot in one side of fixed side plate, when buckling, the thickness value range of the spacing between two arc side plates is adapted to the thickness value range of adaptive limiting block, so that the limiting top plate is rotated and moves to the side of locking plate by two arc side plates, two arc side plates are stuck between adaptive limiting block, to fix rotating cover plate, when opening, only need to hold the top of fixed handle, and rotating cover plate is rotated in reverse direction upwards, so that the rotating strength thereof is greater than the sliding friction force between arc side plate and adaptive limiting block, i.e. rotating cover plate can be smoothly opened, the ageing test board and DC-DC power module are tested as a whole using rotating cover plate and fixed supporting plate, form a temporary semi-closed state, to simulate the heat dissipation effect of power module in the semi-sealed state after assembly, ensure the accuracy of the test results of experiment, install side plate and fixed plate and fixed spring are set, utilize the mutual cooperation of its several, install side plate and fixed plate are located on the same center line, and the fixed plate is located at the top of fixed spring, so that the fixed spring below install side plate can accurately fall on the top of fixed plate when rotating cover plate is closed to the top of fixed supporting plate, so as to buffer install side plate and rotating cover plate as a whole, so as to reduce the impact force between install side plate and fixed supporting plate, ensure that the wear rate between two structures is effectively controlled, so as to further improve the practicability and safety degree of equipment, to solve the problems proposed in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of DC-DC power module test special ageing board structure, including fixed supporting plate, the top of the fixed supporting plate is placed with ageing test board, the top of the ageing test board is electrically connected with capacitor, fixed plate is inlaidly installed in the side surface of the fixed supporting plate, one rubber base is inlaidly installed at the bottom of the fixed supporting plate four corners, two fixed side plates are inlaid on the back of the fixed supporting plate, fixed round hole is formed in the side surface of the fixed side plate, rotating cover plate is rotatably connected to one side of the fixed side plate, fixed top plate is fixedly connected to the bottom of the rotating cover plate;

[0006] The bottom end of the fixed top plate is inlaidly installed with a fixed rotating shaft, the top end of the rotating cover plate is inlaidly connected with a fixed handle, the surface of the rotating cover plate and on the same side of the fixed plate is inlaidly connected with a mounting side plate, the surface of the rotating cover plate and on both sides of the mounting side plate is inlaidly installed with a pair of limiting top plates in a symmetrical manner, the inner wall of one side of the limiting top plate is inlaidly installed with arc-shaped side plates which are equally divided from top to bottom, the side surface of the fixed supporting plate is inlaidly installed with a locking plate, and one end of the locking plate is integrally formed with an adaptive limiting block matched with the arc-shaped side plate.

[0007] Further, the inner wall side surface of the rotating cover plate is inlaidly installed with a fixed cylinder, the surface of the fixed cylinder is slidably sleeved with a sliding seat, the inside of the sliding seat is provided with a fixed sliding groove, and the left and right sides of the sliding seat are inlaidly connected with a first buffer spring and a second buffer spring respectively.

[0008] Further, the side surfaces of the first buffer spring and the second buffer spring are inlaidly connected with fixed sleeve plates, and the inside of the fixed sleeve plate is provided with a sliding circular hole matched with the fixed cylinder.

[0009] Further, the bottom end of the fixed supporting plate is provided with a communication groove, and the shape of the communication groove is smaller than that of the aging test plate.

[0010] Further, the bottom end of the mounting side plate is inlaidly installed with a fixed spring, and the surface of the fixed spring is uniformly coated with a layer of anticorrosive paint layer.

[0011] Further, the mounting side plate and the fixed plate are located on the same center line, and the shape of the mounting side plate and the fixed plate is matched, and the fixed plate is located directly above the fixed spring.

[0012] Further, the overall material of the arc-shaped side plate is elastic rubber material, and the surface of the arc-shaped side plate is smooth.

[0013] Further, the spacing between the two arc-shaped side plates is matched with the thickness range of the adaptive limiting block, the side surface of the arc-shaped side plate and the locking plate is in contact, and the surfaces of the arc-shaped side plate and the locking plate are uniformly coated with a lubricating oil layer.

[0014] The technical effects and advantages of the utility model are as follows:

[0015] 1, the utility model discloses a rotating cover plate and fixed rotating shaft and fixed supporting plate and arc-shaped side plate are set up, utilize the mutual cooperation of its several, control the angle between rotating cover plate and fixed supporting plate, make the aging test plate and DC-DC power module whole in test, form a temporary semi-closed state, to simulate the heat dissipation effect of power module under the semi-sealed state after assembly, guarantee the accuracy degree of the last test result of experiment;

[0016] 2, the utility model discloses a set up installation side plate and fixed plate and fixed spring, utilize its mutual cooperation, utilize installation side plate and fixed plate on the same center line, and the fixed plate is located at the top of fixed spring, so that the rotary cover plate is covered to the top of fixed support plate after rotation, the fixed spring below installation side plate can accurately fall to the top of fixed plate, thereby buffering installation side plate and rotary cover plate whole, thereby the impact force between its installation side plate and fixed support plate, the wear rate between two structures is effectively controlled to reduce, thereby further improve the practicability and safety degree of its equipment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is whole structure schematic diagram of the utility model;

[0018] Figure 2 It is three-dimensional assembly structure schematic diagram of the utility model;

[0019] Figure 3 It is rotary cover plate open state structure schematic diagram of the utility model;

[0020] Figure 4 It is rotary cover plate internal three-dimensional structure schematic diagram of the utility model;

[0021] Figure 5 It is fixed top plate whole structure schematic diagram of the utility model;

[0022] Figure 6 It is the utility model's Figure 5 It is the A place enlarged structure schematic diagram of the utility model;

[0023] Figure 7 It is the limiting top plate and locking plate installation adaptation structure schematic diagram of the utility model.

[0024] The sign is: 1, fixed support plate;2, aging test board;3, a kind of DC-DC power module test special aging board structure container;4, fixed plate;5, rubber base;6, fixed side plate;7, fixed round hole;8, rotary cover plate;9, fixed top plate;10, fixed rotating shaft;11, fixed handle;12, installation side plate;13, limiting top plate;14, arc side plate;15, locking plate;16, adaptation limiting block;17, fixed cylinder;18, sliding seat;19, fixed sliding slot;20, first buffer spring;21, fixed cover plate;22, second buffer spring;23, communication groove;24, fixed spring. DETAILED DESCRIPTION

[0025] Clearly and completely describe the technical scheme in the embodiments of the utility model with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0026] As shown in the drawings Figure 1 to the drawings Figure 7 As shown in the drawings, a DC-DC power module test special aging board structure, including fixed apron 1, the top of the fixed apron 1 is placed with aging test board 2, the top of the aging test board 2 is electrically connected with capacitor 3, the side of the fixed apron 1 is embeddedly installed with fixed plate 4, the bottom of the fixed apron 1 four corners is embeddedly installed with a rubber base 5, the back of the fixed apron 1 is symmetrically embedded with two fixed side plates 6, the side of the fixed side plate 6 is provided with fixed round hole 7, one side of the fixed side plate 6 is rotatably sleeved with rotating cover plate 8, the bottom of the rotating cover plate 8 is fixedly connected with fixed top plate 9;

[0027] The bottom of the fixed top plate 9 is embeddedly installed with fixed rotating shaft 10, one end of the rotating cover plate 8 is embeddedly connected with fixed handle 11, the surface of the rotating cover plate 8 and the same side of the fixed plate 4 are embeddedly connected with installation side plate 12, the surface of the rotating cover plate 8 and the both sides of the installation side plate 12 are symmetrically embeddedly installed with a pair of limiting top plates 13, the inner wall of one side of the limiting top plate 13 is installed with arc-shaped side plate 14 from top to bottom, the side of the fixed apron 1 is embeddedly installed with locking plate 15, one end of the locking plate 15 is integrally formed with adaptive limiting block 16 matched with the arc-shaped side plate 14.

[0028] The inner wall side of the rotating cover plate 8 is embeddedly installed with fixed cylinder 17, the surface of the fixed cylinder 17 is slidably sleeved with sliding seat 18, the inside of the sliding seat 18 is provided with fixed sliding groove 19, the left and right sides of the sliding seat 18 are embeddedly connected with first buffer spring 20 and second buffer spring 22 respectively, the side of the first buffer spring 20 and the second buffer spring 22 is embeddedly connected with fixed sleeve plate 21, the inside of the fixed sleeve plate 21 is provided with sliding round hole matched with the fixed cylinder 17, the bottom of the fixed apron 1 is provided with communication groove 23, the shape of the communication groove 23 is smaller than the shape of the aging test board 2, the bottom of the installation side plate 12 is embeddedly installed with fixed spring 24, the surface of the fixed spring 24 is evenly coated with a layer of anticorrosive paint layer, the overall material of the arc-shaped side plate 14 is elastic rubber material, and the surface of the arc-shaped side plate 14 is smooth.

[0029] As Figures 3-4As shown in the utility model embodiment, the mounting side plate 12 and the fixed plate 4 are located on the same center line, and the mounting side plate 12 and the fixed plate 4 are in shape adaptation, the fixed plate 4 is located at the position directly above the fixed spring 24.

[0030] The embodiment is specific: the position of the sliding seat 18 is adjusted by sliding to avoid collision with the circuit of the aging test plate 2 when rotating, and the first buffer spring 20 and the second buffer spring 22 are used to hinder the rotation of the rotating cover plate 8 to buffer, and the mounting side plate 12 and the fixed plate 4 are located on the same center line, and the fixed plate 4 is located at the position directly above the fixed spring 24, so that when the rotating cover plate 8 is closed above the fixed support plate 1 after rotating, the fixed spring 24 below the mounting side plate 12 can accurately fall above the fixed plate 4, thereby buffering the mounting side plate 12 and the rotating cover plate 8 as a whole, so as to buffer the impact force between the mounting side plate 12 and the fixed support plate 1, thereby further improving the practicability and safety of the equipment.

[0031] As Figures 4-7 As shown in the utility model embodiment, the spacing between every two arc-shaped side plates 14 is adapted to the thickness value range of the adaptive limiting block 16, one side surface of the arc-shaped side plate 14 and the locking plate 15 is in contact, and the arc-shaped side plate 14 and the locking plate 15 are uniformly coated with a lubricating oil layer.

[0032] The embodiment is specific: the spacing between the two arc-shaped side plates 14 is adapted to the thickness value range of the adaptive limiting block 16, so that when the limiting top plate 13 drives the arc-shaped side plate 14 to rotate and move towards one side of the locking plate 15, the two arc-shaped side plates 14 will be clamped between the adaptive limiting block 16, thereby fixing the rotating cover plate 8, and when opening, only the upper part of the fixed handle 11 needs to be held and the rotating cover plate 8 is rotated upwards in the opposite direction, so that the rotating force is greater than the sliding friction force between the arc-shaped side plate 14 and the adaptive limiting block 16, and the rotating cover plate 8 can be smoothly opened.

[0033] The working principle of the utility model is:

[0034] Firstly, the operator connects the DC-DC power module to be tested with the aging test board 2 to form an effective electrical signal connection, and places the aging test board 2 and the power module on the fixed supporting plate 1. At this time, the rotating cover plate 8 is rotated and buckled above the fixed supporting plate 1 by the fixed rotating shaft 10 on one side of the fixed side plate 6. When buckling, the interval between the two arc-shaped side plates 14 is adapted to the thickness value range of the adaptive limiting block 16, so that the limiting top plate 13 is rotated and moved towards the side of the locking plate 15, and the two arc-shaped side plates 14 are clamped between the adaptive limiting block 16, thereby fixing the rotating cover plate 8. When opening, only the upper part of the fixed handle 11 needs to be held, and the rotating cover plate 8 is rotated upwards in the opposite direction, so that the rotating force is greater than the sliding friction force between the arc-shaped side plate 14 and the adaptive limiting block 16, and the rotating cover plate 8 can be smoothly opened. When the rotating cover plate 8 and the fixed supporting plate 1 are used to cooperate with the aging test board 2 and the DC-DC power module as a whole during testing, a temporary semi-closed state is formed to simulate the heat dissipation effect of the power module in the semi-sealed state after assembly, and the accuracy of the final test results is ensured.

[0035] Finally, it should be pointed out that: first of all, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0036] Secondly: the utility model discloses the embodiment of the drawings only relates to the structure involved in the embodiment of the present disclosure, and other structures can refer to the usual design, and under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0037] Finally: the above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A structure for an aging test board for a DC-DC power module, comprising a fixed support plate (1), an aging test board (2) placed on the top of the fixed support plate (1), a fixed plate (4) embedded in the side of the fixed support plate (1), and two fixed side plates (6) symmetrically embedded on the back of the fixed support plate (1), characterized in that: The side of the fixed side plate (6) is provided with a fixed circular hole (7), one side of the fixed side plate (6) is rotatably sleeved with a rotating cover plate (8), and the bottom end of the rotating cover plate (8) is fixedly connected with a fixed top plate (9); The bottom end of the fixed top plate (9) is inlaidly installed with a fixed rotating shaft (10), the top end of the rotating cover plate (8) is inlaidly connected with a fixed handle (11), the surface of the rotating cover plate (8) and located on the same side of the fixed plate (4) is inlaidly connected with a mounting side plate (12), a pair of limiting top plates (13) are inlaidly installed on the surface of the rotating cover plate (8) and located on both sides of the mounting side plate (12) in a symmetrical manner, and arc-shaped side plates (14) are installed on the inner wall of one side of the limiting top plate (13) in an equidistant manner from top to bottom.

2. The DC-DC power module test dedicated burn-in board structure of claim 1, wherein: The inner wall side of the rotating cover plate (8) is inlaidly installed with a fixed cylinder (17), the surface of the fixed cylinder (17) is slidably sleeved with a sliding seat (18), the inside of the sliding seat (18) is provided with a fixed sliding groove (19), and the left and right sides of the sliding seat (18) are inlaidly connected with a first buffer spring (20) and a second buffer spring (22) respectively.

3. The DC-DC power module test dedicated burn-in board structure of claim 2, wherein: The side of the first buffer spring (20) and the second buffer spring (22) is inlaidly connected with a fixed sleeve plate (21), and the inside of the fixed sleeve plate (21) is provided with a sliding circular hole matched with the fixed cylinder (17).

4. The DC-DC power module test dedicated burn-in board structure of claim 1, wherein: The bottom end of the fixed supporting plate (1) is provided with a communication groove (23), and the shape of the communication groove (23) is smaller than that of the aging test plate (2).

5. The DC-DC power module test dedicated burn-in board structure of claim 1, wherein: The bottom end of the mounting side plate (12) is inlaidly installed with a fixed spring (24), and the surface of the fixed spring (24) is uniformly coated with a layer of anticorrosive coating.

6. The DC-DC power module test dedicated burn-in board structure of claim 5, wherein: The mounting side plate (12) and the fixed plate (4) are located on the same center line, and the shape of the mounting side plate (12) and the fixed plate (4) is matched, and the fixed plate (4) is located directly above the fixed spring (24).

7. The DC-DC power module test dedicated burn-in board structure of claim 1, wherein: The overall material of the arc-shaped side plate (14) is elastic rubber material, and the surface of the arc-shaped side plate (14) is smooth.

8. The DC-DC power module test dedicated burn-in board structure of claim 1, wherein: The spacing between the two arc-shaped side plates (14) is matched with the thickness range of the matching limiting block (16), one side of the arc-shaped side plate (14) and the locking plate (15) is in contact, and the surfaces of the arc-shaped side plate (14) and the locking plate (15) are uniformly coated with a lubricating oil layer.

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