Aging test device for converter of electric vehicle

Abstract

The utility model discloses an electric vehicle converter aging test device, which comprises an aging oven, a plurality of placing plates are arranged in the aging oven, and the placing plates are provided with placing grooves, positioning grooves, first abdicating grooves, second abdicating grooves and third abdicating grooves; and the placing groove is communicated with the positioning groove, the first abdicating groove, the second abdicating groove and the third abdicating groove. Through the cooperation of the placing groove and the positioning groove, when the converter is placed in the placing groove, the limiting plate is arranged in the positioning groove communicated with the placing groove, and the converter in the placing groove is tightly abutted through the limiting plate, so that the converter can be more stably placed in the placing groove; meanwhile, a rubber pad is arranged on the limiting plate, so that the stability of the converter is further improved; and by arranging the square tube at the bottom of the placement plate and forming the air outlet holes in the square tube, the converter is heated more uniformly, and the aging test efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aging testing, in particular to an aging testing device for an electric vehicle converter. Background Art

[0002] The quality inspection of electric vehicle converters has become an important link. Aging test is an important means to detect the performance stability and reliability of converters. The existing aging test devices are generally in the shape of a cabinet. The existing aging test devices hold the converters unstably. At the same time, hot air is blown downward from the top, and the upper placement plate will block the wind received by the lower converters, resulting in different aging degrees of each converter, which will affect the test results. Summary of the Utility Model

[0003] Aiming at the above technical deficiencies, the purpose of the utility model is to provide an aging testing device for an electric vehicle converter to solve some or all of the above technical problems.

[0004] To solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model provides an aging testing device for an electric vehicle converter, including an aging box. A plurality of placement plates are arranged in the aging box. The placement plates are provided with placement grooves, positioning grooves, first relief grooves, second relief grooves and third relief grooves; the placement grooves are communicated with the positioning grooves, the first relief grooves, the second relief grooves and the third relief grooves.

[0006] Preferably, a limiting groove is opened on the positioning groove. A limiting plate is slidably arranged in the limiting groove. A plurality of springs are fixedly installed at the bottom of the limiting plate; one end of the spring is connected with the limiting plate, and the other end is connected with the limiting groove; a rubber pad is fixedly installed on the limiting plate.

[0007] Preferably, relief grooves are opened at the four corners of the placement groove, and the relief grooves are arc-shaped structures.

[0008] Preferably, the first relief groove and the second relief groove are symmetrically arranged, and the two corners of the third relief groove far away from the placement groove are arc-shaped structures.

[0009] Preferably, a plurality of through holes are opened on the placement plate.

[0010] Preferably, square pipes are fixedly installed at the bottom of the placement plate, and a plurality of air outlet holes are opened on the square pipes.

[0011] Preferably, the two ends of the square pipe are respectively connected with an input air pipe and an output air pipe; the input air pipe and the output air pipe are connected with a circulating air pump.

[0012] Preferably, both the input air pipe and the output air pipe extend through the placement plate to the circulation cavity at the bottom of the aging chamber.

[0013] The beneficial effects of the present utility model are as follows: Through the cooperation of the placement groove and the positioning groove, when the converter is placed in the placement groove, there is a limiting plate in the positioning groove communicated with the placement groove. The converter in the placement groove is tightened by the limiting plate, so that the converter can be placed in the placement groove more stably;

[0014] At the same time, by providing a rubber pad on the limiting plate, the stability of the converter is further improved;

[0015] By providing a square pipe at the bottom of the placement plate and providing air outlet holes on the square pipe, the converter is heated more evenly, improving the efficiency of the aging test. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 FIG. 1 is a schematic structural diagram (view angle one) of an aging test device for an electric vehicle converter provided by an embodiment of the present utility model;

[0018] Figure 2 FIG. 2 is a schematic structural diagram (view angle two) of an aging test device for an electric vehicle converter;

[0019] Figure 3 FIG. 3 is Figure 2 an enlarged view of A in FIG. 2;

[0020] Figure 4 FIG. 4 is a schematic structural diagram (view angle three) of an aging test device for an electric vehicle converter;

[0021] Figure 5 FIG. 5 is a schematic structural diagram (view angle four) of an aging test device for an electric vehicle converter.

[0022] Description of the reference numerals:

[0023] 1 - aging chamber, 2 - placement plate, 21 - first relief groove, 22 - positioning groove, 221 - limiting groove, 222 - spring, 223 - limiting plate, 224 - rubber pad, 23 - placement groove, 24 - second relief groove, 25 - third relief groove, 26 - avoidance groove, 3 - through hole, 4 - input air pipe, 5 - output air pipe, 6 - square pipe, 61 - air outlet hole, 7 - circulation air pump, 8 - circulation cavity. Detailed implementation mode

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Embodiment 1:

[0026] As Figure 1 , Figure 2 and Figure 3 shown, the present invention provides an aging test device for an electric vehicle converter, including an aging box 1. Two placement plates 2 are arranged in the aging box 1. The placement plate 2 is provided with a placement groove 23, a positioning groove 22, a first relief groove 21, a second relief groove 24 and a third relief groove 25. The placement groove 23 communicates with the positioning groove 22, the first relief groove 21, the second relief groove 24 and the third relief groove 25. Avoidance grooves 26 are provided at the four corners of the placement groove 23. The avoidance grooves 26 are arc-shaped structures. The arc-shaped avoidance grooves 26 can avoid the four corners of the electric vehicle converter when the converter is placed in the placement groove 23, and reduce the situation of scratches when placing the electric vehicle converter. The first relief groove 21 and the second relief groove 24 are symmetrically arranged. The first relief groove 21 and the second relief groove 24 are arranged on both sides of the placement groove 23. The first relief groove 21 and the second relief groove 24 can place the connecting wires on the converter, so that the converter can be completely placed in the placement groove 23. The symmetrical arrangement can make the placement of the electric vehicle converter more flexible. The converter can be placed upright or upside down. The two corners of the third relief groove 25 far from the placement groove 23 are arc-shaped structures. The setting of this arc-shaped structure enables the arc part to avoid the hand when placing and taking out the converter, and reduces the situation of scratches on the hand when placing the converter.

[0027] Further, a limiting groove 221 is formed on the side wall of the positioning groove 22. A limiting plate 223 is slidably arranged in the limiting groove 221 through the cooperation of a sliding groove and a slider. Three springs 222 are fixedly installed at the bottom of the limiting plate 223; one end of the spring 222 is connected to the limiting plate 223, and the other end of the spring 222 is connected to the bottom of the limiting groove 221; a rubber pad 224 is fixedly installed on the limiting plate 223. When the converter is placed in the placement groove 23, the converter presses the limiting plate 223 in the positioning groove 22, causing the limiting plate 223 to slide in a direction away from the converter. Then, through the deformation of the spring 222, the spring 222 pushes the limiting plate 223 to move towards the electric vehicle converter and press it, so that the electric vehicle converter is clamped in the placement groove 23. The rubber pad 224 provided on the limiting plate 223 further increases the roughness of the contact surface between the limiting plate 223 and the converter, making the placement of the electric vehicle converter more stable.

[0028] Among them, as Figure 4 and Figure 5 shown, a plurality of through holes 3 are formed in the placement plate 2. A square pipe 6 is fixedly installed at the bottom of the placement plate 2. The square pipe 6 is closely attached to the bottom of the placement plate 2, so that the hot air in the square pipe 6 can heat the electric vehicle on the placement plate 2 and make it heated more evenly. A plurality of air outlet holes 61 are formed in the square pipe 6, so that the hot air in the square pipe 6 can be discharged from the air outlet holes 61, enabling the electric vehicle converter in the placement groove 23 to be heated. Through the square pipe 6 and the air outlet holes 61 on the square pipe 6, the electric vehicle converter is heated more evenly, which can improve the efficiency of the aging test of the electric vehicle converter.

[0029] Both ends of the square pipe 6 are respectively connected to the input air pipe 4 and the output air pipe 5. The input air pipe 4 and the output air pipe 5 are connected to a circulating air pump 7. The hot air is conveyed from the input air pipe 4 to the square pipe 6 through the circulating air pump 7 and then sprayed out from the air outlet holes 61 on the square pipe 6 to heat the electric vehicle converter. The input air pipe 4 and the output air pipe 5 both pass through the placement plate 2 and extend to the circulation cavity 8 at the bottom of the aging box 1. The hot air between the two placement plates 2 enters the circulation cavity 8 through the through holes 3. In the circulation cavity 8, the output air pipe 5 extracts the already warm gas through the circulating air pump 7, and the input air pipe 4 conveys hot air to conduct the aging test on the electric vehicle converter, making the electric vehicle converter heated more evenly.

[0030] Embodiment 2:

[0031] Based on the above-mentioned First Embodiment, a door is provided on the aging chamber 1, and a handle is provided on the door. By pulling the handle, the door is opened, and the electric vehicle converter is placed in the placement groove 23. A number of rubber strips are provided on the limiting plate 223. The setting of the rubber strips can further increase the contact area between the limiting plate 223 and the electric vehicle converter, enabling the limiting plate 223 to tightly press against the electric vehicle converter, making the placement of the electric vehicle converter more stable and improving the aging detection efficiency.

[0032] Working principle: First, open the door of the aging chamber through the handle. Then, place the electric vehicle converter to be subjected to aging test into the placement groove 23. The electric vehicle converter presses against the limiting plate 223, and the limiting plate 223 slides. Due to the acting force of the spring at the bottom of the limiting plate 223, when the electric vehicle converter is placed well, the limiting plate 223 tightly presses against the electric vehicle converter, making the placement of the electric vehicle converter more stable. Then, turn on the circulating air pump 7 to send hot air into the aging chamber 1 through the input air pipe 4 to age the electric vehicle converter. Finally, take out the electric vehicle converter that has completed the aging test from the aging chamber 1.

[0033] Obviously, those skilled in the art can make various modifications and variations to the present utility model without departing from the spirit and scope of the present utility model. Thus, if these modifications and variations of the present utility model fall within the scope of the claims of the present utility model and their equivalent technologies, the present utility model is also intended to include these modifications and variations.

Claims

1. An electric vehicle converter aging test device, comprising an aging box (1), wherein a plurality of placement boards (2) are arranged in the aging box (1), characterized in that: The placement plate (2) is provided with a placement groove (23), a positioning groove (22), a first giving way groove (21), a second giving way groove (24) and a third giving way groove (25); the placement groove (23) is connected with the positioning groove (22), the first giving way groove (21), the second giving way groove (24) and the third giving way groove (25).

2. An electric vehicle converter aging test device as claimed in claim 1, characterized in that: A limiting groove (221) is provided on the positioning groove (22), a limiting plate (223) is slidably arranged in the limiting groove (221), and a plurality of springs (222) are fixedly installed at the bottom of the limiting plate (223); One end of the spring (222) is connected to the limiting plate (223), and the other end is connected to the limiting groove (221); A rubber pad (224) is fixedly mounted on the limiting plate (223).

3. An electric vehicle converter aging test device as claimed in claim 1, characterized in that: Avoidance grooves (26) are provided at the four corners of the placement groove (23), and the avoidance grooves (26) are arc-shaped structures.

4. The electric vehicle converter aging test device according to claim 1, characterized in that: The first clearance groove (21) and the second clearance groove (24) are symmetrically arranged, and the two corners of the third clearance groove (25) away from the placement groove (23) are arc-shaped structures.

5. The electric vehicle converter aging test device according to claim 1, characterized in that: The placement plate (2) is provided with a plurality of through holes (3).

6. An electric vehicle converter aging test device as claimed in claim 5, characterized in that: A square tube (6) is fixedly mounted on the bottom of the placement plate (2), and a plurality of air outlet holes (61) are formed on the square tube (6).

7. An electric vehicle converter aging test device as claimed in claim 6, characterized in that: The two ends of the square tube (6) are respectively connected to the input air pipe (4) and the output air pipe (5); The input air pipe (4) and the output air pipe (5) are connected to a circulating air pump (7).

8. An electric vehicle converter aging test device as claimed in claim 7, characterized in that: The input air pipe (4) and the output air pipe (5) both pass through the placement plate (2) and extend into the circulation chamber (8) at the bottom of the aging box (1).

Images