Power supply aging multi-station detection device

Abstract

The utility model relates to a power supply aging multi-station detection device, which belongs to the technical field of power supply aging detection and comprises a power supply aging multi-station detection device body, an equipment box and a detection table, the equipment box and the detection table are arranged on the power supply aging multi-station detection device body, and the top surface of the detection table is movably connected with a driving rod through a bearing. The bottom face of the equipment box is movably connected with a screw rod through a bearing, one end of the screw rod extends into the driving rod, positioning holes are formed in the left side face and the right side face of the screw rod correspondingly, and the bottom face of the equipment box is fixedly connected with two positioning rods with one ends extending into the two positioning holes correspondingly. The power supply aging multi-station detection device drives the equipment box to move and adjust the height of the equipment box through the threaded connection between the screw rod and the driving rod, facilitates the detection of products with different heights by workers, improves the use effect, supports the supporting rod through the clearance fit between the supporting rod and the placement hole, and improves the detection efficiency. The stability of the equipment box is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power supply aging detection, in particular to a power supply aging multi-station detection device. Background Art

[0002] When conducting aging tests on BMS products, core components of new energy vehicles, it is necessary to apply thermal, electrical or a combination of external effects to electronic components in a high-temperature environment to simulate a harsh working environment, accelerate the exposure of potential internal faults, and then measure electrical parameters to screen out those circuit boards that have failed or changed parameters. With the continuous development of new energy vehicles, the number of BMS-produced monitored batteries is increasing, and the quality requirements for products are becoming higher and higher.

[0003] Chinese patent CN220872635U discloses a multi-station detection device for power aging of BMS products. The patent discloses a technical solution for improving test efficiency, which solves the problem that the existing power aging test method provides a set of simulated battery systems to simulate battery power supply and a set of current sources to perform aging tests on its single cells. If multiple BMS products are tested, it is necessary to increase the equipment testing system accordingly, which increases the volume of production equipment and the difficulty of production process. The overall cost is high, the efficiency is low, and the overall floor space is large, which affects the production efficiency.

[0004] When in use, the device supplies power to multiple BMS products undergoing aging tests by simulating the battery cell voltage, realizing simultaneous aging tests on the discharge MOS tubes of multiple BMS products. The overall test efficiency is high, but the distance between the equipment box and the test table is fixed, which is not convenient for testing products of different heights, and it is not convenient for staff to disassemble and repair the interior of the equipment box. Therefore, a power supply aging multi-station detection device is proposed to solve the above problems. Utility Model Content

[0005] In response to the deficiencies in the prior art, the utility model provides a multi-station power aging detection device with the advantage of convenient adjustment. It solves the problem that when the device is in use, it supplies power to multiple BMS products that undergo aging tests by simulating the battery cell voltage to achieve simultaneous aging tests on the discharge MOS tubes of multiple BMS products. The overall test efficiency is high, but the distance between the equipment box and the test table is a fixed distance, which is not convenient for testing products of different heights and is not convenient for staff to disassemble and repair the interior of the equipment box.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a multi-station detection device for power supply aging, comprising a power supply multi-station detection device body and an equipment box and a detection table arranged on the power supply aging multi-station detection device body, the top surface of the detection table being movably connected to a drive rod through a bearing, and the bottom surface of the equipment box being movably connected to a screw having one end extending to the interior of the drive rod through a bearing.

[0007] Positioning holes are provided on the left and right sides of the screw rod. Two positioning rods are fixedly connected to the bottom surface of the equipment box, one end of which extends into the two positioning holes respectively. A connecting rod is fixedly connected to the top surface of the testing table. A placement hole is provided on the top surface of the connecting rod. A support rod with one end extending into the placement hole is placed on the bottom surface of the equipment box, and an installation groove is provided on the bottom surface of the equipment box.

[0008] The connecting rod is provided with a supporting assembly for supporting the supporting rod.

[0009] The equipment box is provided with a fixing assembly for fixing the support rod.

[0010] Furthermore, a threaded hole is provided on the top surface of the driving rod, the screw rod extends into the inside of the threaded hole and is threadedly connected thereto, and the support rod and the placement hole are clearance-matched.

[0011] Furthermore, the two positioning rods are both L-shaped rods, the positioning rods are elastic rods, and the two positioning rods are respectively clearance-matched with the two positioning holes.

[0012] Furthermore, the support assembly includes a connecting spring, which is fixedly connected to the inside of the placement hole. The connecting spring and the support rod are fixedly connected. Two positioning grooves are opened inside the connecting rod. The left side and the right side of the support rod are fixedly connected to a positioning plate with one end extending into the inside of the positioning groove.

[0013] Furthermore, the two positioning grooves are symmetrically distributed with the placement hole as the center, and the two positioning plates are slidably connected to the two positioning grooves respectively.

[0014] Furthermore, the fixing assembly includes two telescopic rods, both of which are fixedly connected to the inside of the mounting slot, and the support rod extends to the inside of the mounting slot. The opposite side surfaces of the two telescopic rods are fixedly connected to baffles, and the opposite side surfaces of the two baffles are fixedly connected to clamping rods. The outer peripheral walls of the two telescopic rods are respectively provided with support springs fixedly connected to the mounting slot and the baffle, and the left and right sides of the support rods are provided with clamping holes. The two clamping rods extend to the inside of the two clamping holes respectively, and the interior of the equipment box is provided with two connecting slots, and the top surfaces of the two baffles are fixedly connected to a connecting plate with one end extending to the inside of the connecting slot.

[0015] Furthermore, the two connecting grooves are both located at the top of the installation groove, the two connecting plates are respectively slidably connected to the two connecting grooves, and the two clamping rods are respectively clearance-matched with the two clamping holes.

[0016] Furthermore, the two baffles are both fitted with the support rod, and the telescopic rod consists of a sleeve and a moving rod. One end of the moving rod passes through and extends into the interior of the sleeve, and the outer side of the moving rod is fixedly connected to a limiting block located inside the sleeve, and a through hole adapted to the moving rod is opened on one side of the sleeve.

[0017] Compared with the existing technology, the technical solution of this application has the following beneficial effects:

[0018] 1. This multi-station power aging detection device drives the equipment box to move through the threaded connection between the screw and the drive rod, and adjusts the height of the equipment box, making it convenient for staff to test products at different heights and improving the use effect. At the same time, the clearance between the support rod and the placement hole supports the support rod, thereby improving the stability of the equipment box.

[0019] 2. The multi-station detection device for power aging can rotate the equipment box through the rotation connection between the screw and the equipment box, making it convenient for staff to disassemble and repair the equipment box. The support rod is fixed through the clearance between the clamping rod and the clamping hole, making it convenient to disassemble and assemble the equipment box and the support rod, which is more convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of the utility model;

[0021] Figure 2 for Figure 1 A schematic diagram of the structure of the middle part;

[0022] Figure 3 This is a schematic diagram of the internal structure of the connecting rod in the structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the internal structure of the mounting slot in the structure of the present utility model;

[0024] Figure 5 This is a schematic diagram of the right side of the baffle in the structure of the present utility model.

[0025] In the figure: 1 power aging multi-station detection device body, 2 equipment box, 3 positioning rod, 4 screw, 5 driving rod, 6 detection table, 7 support rod, 8 connecting rod, 9 positioning hole, 10 positioning slot, 11 positioning plate, 12 connecting spring, 13 placement hole, 14 installation slot, 15 telescopic rod, 16 support spring, 17 connecting slot, 18 baffle, 19 connecting plate, 20 clamping rod, 21 clamping hole. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] Example 1: Please refer to Figures 1 to 4 The power supply aging multi-station detection device in this embodiment includes a power supply aging multi-station detection device body 1 and an equipment box 2 and a detection table 6 arranged on the power supply aging multi-station detection device body 1. The top surface of the detection table 6 is movably connected to a drive rod 5 through a bearing, and the bottom surface of the equipment box 2 is movably connected to a screw 4 with one end extending to the inside of the drive rod 5 through a bearing.

[0028] Positioning holes 9 are provided on the left and right sides of the screw rod 4. Two positioning rods 3 are fixedly connected to the bottom surface of the equipment box 2, one end of which extends to the inside of the two positioning holes 9 respectively. A connecting rod 8 is fixedly connected to the top surface of the testing table 6. A placement hole 13 is provided on the top surface of the connecting rod 8. A support rod 7 with one end extending to the inside of the placement hole 13 is placed on the bottom surface of the equipment box 2, and an installation groove 14 is provided on the bottom surface of the equipment box 2.

[0029] Among them, a threaded hole is opened on the top surface of the driving rod 5, the screw rod 4 extends to the inside of the threaded hole and is threadedly connected to it, the support rod 7 and the placement hole 12 are clearance-fitted, the two positioning rods 3 are both L-shaped rods, the positioning rods 3 are elastic rods, and the two positioning rods 3 are clearance-fitted with the two positioning holes 9 respectively.

[0030] Specifically, grasp the screw 4 and rotate the equipment box 2 to rotate the equipment box 2. The support rod 7 and the installation slot 14 are located on the same center line. The support rod 7 is inserted into the interior of the installation slot 14 to push the positioning rod 3 to deform the positioning rod 3. The positioning rod 3 and the positioning hole 9 are located on the same center line to reset the positioning rod 3. The positioning rod 3 is inserted into the interior of the positioning hole 9. The screw 4 is fixed by the clearance fit between the positioning rod 3 and the positioning hole 9. The drive rod 5 is rotated. The screw 4 drives the equipment box 2 to move through the threaded connection between the drive rod 5 and the screw 4 and the restriction of the support rod 7 on the equipment box 2. The height of the equipment box 2 is adjusted and the product is inspected by the power aging multi-station detection device body 1. The product is inspected by the power aging multi-station detection device body 1.

[0031] Example 2: Please refer to Figures 1 to 4In the embodiment, on the basis of the first embodiment, the connecting rod 8 is provided with a supporting assembly, the supporting assembly comprises a connecting spring 12 fixedly connected in the placement hole 13, the connecting spring 12 is fixedly connected with the supporting rod 7, the inside of the connecting rod 8 is provided with two positioning grooves 10, and the left side and the right side of the supporting rod 7 are both fixedly connected with a positioning plate 11 extending into the inside of the positioning groove 10.

[0032] The two positioning grooves 10 are symmetrically distributed left and right with the placement hole 13 as the center, and the two positioning plates 11 are respectively in sliding connection with the two positioning grooves 10.

[0033] Specifically, the supporting rod 7 is pushed to move downward, the connecting spring 12 is extruded, the supporting rod 7 is supported through the gap cooperation between the supporting rod 7 and the placement hole 13 and the sliding connection between the positioning plate 11 and the positioning groove 10, the stability of the supporting rod 7 is improved, the supporting rod 7 and the mounting groove 14 are located on the same center line, the supporting rod 7 is loosened, the supporting rod 7 is reset through the action of the connecting spring 12, and the supporting rod 7 is inserted into the inside of the mounting groove 14.

[0034] Embodiment three: please refer to Figures 1 to 4 In the embodiment, on the basis of the first embodiment and the second embodiment, the equipment box 2 is provided with a fixing assembly, the fixing assembly comprises two telescopic rods 15, the two telescopic rods 15 are both fixedly connected in the inside of the mounting groove 14, the supporting rod 7 extends into the inside of the mounting groove 14, the opposite side of the two telescopic rods 15 is both fixedly connected with a baffle 18, the opposite side of the two baffles 18 is both fixedly connected with a clamping rod 20, the outer circumferential wall of the two telescopic rods 15 is both sleeved with a supporting spring 16 fixedly connected with the mounting groove 14 and the baffle 18, the left side and the right side of the supporting rod 7 are both provided with a clamping hole 21, the two clamping rods 20 respectively extend into the inside of the two clamping holes 21, the inside of the equipment box 2 is provided with two connecting grooves 17, and the top of the two baffles 18 is both fixedly connected with a connecting plate 19 extending into the inside of the connecting groove 17.

[0035] The two connecting grooves 17 are both located at the top of the mounting groove 14, the two connecting plates 19 are respectively in sliding connection with the two connecting grooves 17, the two clamping rods 20 are respectively in gap cooperation with the two clamping holes 21, the two baffles 18 are both in contact with the supporting rod 7, the telescopic rod 15 is composed of a sleeve bin and a moving rod, one end of the moving rod penetrates and extends into the inside of the sleeve bin, the outer side of the moving rod is fixedly connected with a limiting block located in the inside of the sleeve bin, and one side of the sleeve bin is provided with a penetrating hole matched with the moving rod.

[0036] Specifically, pull the baffle 18 so that the baffle 18 drives the card rod 20 to move, squeeze the telescopic rod 15 and the support spring 16, and shrink the telescopic rod 15 and the support spring 16. The baffle 18 is supported by the sliding connection between the connecting plate 19 and the connecting groove 17 to improve the stability of the baffle 18. The card rod 20 and the card hole 21 are located on the same center line. Loosen the baffle 18, and the elasticity of the support spring 16 pushes the baffle 18 to reset, so that the card rod 20 is inserted into the inside of the card hole 21. The support rod 7 and the equipment box 2 are fixed by the clearance between the card rod 20 and the card hole 21.

[0037] The working principle of the above embodiment is:

[0038] Push the support rod 7 to move it downward, squeeze the connecting spring 12, support the support rod 7 through the clearance fit between the support rod 7 and the placement hole 13 and the sliding connection between the positioning plate 11 and the positioning groove 10, improve the stability of the support rod 7, grab the screw 4, turn the equipment box 2, make the equipment box 2 rotate, the support rod 7 and the mounting groove 14 are located on the same center line, loosen the support rod 7, and push the support rod 7 to reset under the action of the connecting spring 12. The support rod 7 is inserted into the inside of the mounting groove 14, and the baffle 18 is pulled so that the baffle 18 drives the card rod 20 to move, squeezing the telescopic rod 15 and the support spring 16 so that the telescopic rod 15 and the support spring 16 are contracted. The baffle 18 is supported by the sliding connection between the connecting plate 19 and the connecting groove 17 to improve the stability of the baffle 18. The card rod 20 and the card hole 21 are located on the same center line, and the baffle 18 is loosened. The elasticity of the support spring 16 pushes the baffle 18 to reset, so that the card rod 20 is inserted into the inside of the card hole 21, and the clearance between the card rod 20 and the card hole 21 is matched to fix the support rod 7 and the equipment box 2, and push the positioning rod 3 to deform the positioning rod 3. The positioning rod 3 and the positioning hole 9 are located on the same center line, so that the positioning rod 3 is reset, and the positioning rod 3 is inserted into the inside of the positioning hole 9. The clearance between the positioning rod 3 and the positioning hole 9 is matched to fix the screw 4, and the drive rod 5 is rotated. Through the threaded connection between the drive rod 5 and the screw 4 and the restriction of the support rod 7 on the equipment box 2, the screw 4 drives the equipment box 2 to move, and the height of the equipment box 2 is adjusted. The product is tested by the power aging multi-station detection device body 1.

[0039] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0040] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-station power supply aging detection device, comprising a main body (1) of the multi-station power supply aging detection device, and an equipment box (2) and a detection table (6) arranged on the main body (1) of the multi-station power supply aging detection device, characterized in that: The top surface of the detection table (6) is movably connected to a driving rod (5) via a bearing, and the bottom surface of the equipment box (2) is movably connected to a screw rod (4) having one end extending into the interior of the driving rod (5) via a bearing; The left and right sides of the screw rod (4) are both provided with positioning holes (9); the bottom surface of the equipment box (2) is fixedly connected with two positioning rods (3) with one end extending into the inside of the two positioning holes (9); the top surface of the detection table (6) is fixedly connected with a connecting rod (8); the top surface of the connecting rod (8) is provided with a placement hole (13); the bottom surface of the equipment box (2) is provided with a support rod (7) with one end extending into the inside of the placement hole (13); the bottom surface of the equipment box (2) is provided with a mounting groove (14); A supporting component is provided on the connecting rod (8), and a fixing component is provided on the equipment box (2).

2. The multi-station power aging detection device according to claim 1, characterized in that: A threaded hole is provided on the top surface of the driving rod (5), the screw rod (4) extends into the inside of the threaded hole and is threadedly connected thereto, and the support rod (7) and the placement hole (12) are clearance-fitted.

3. The multi-station power aging detection device according to claim 2, characterized in that: The two positioning rods (3) are both L-shaped rods, the positioning rods (3) are elastic rods, and the two positioning rods (3) are respectively clearance-matched with the two positioning holes (9).

4. The multi-station power aging detection device according to claim 1, characterized in that: The support assembly comprises a connecting spring (12), the connecting spring (12) being fixedly connected to the inside of the placement hole (13), the connecting spring (12) being fixedly connected to the support rod (7), two positioning grooves (10) being provided inside the connecting rod (8), and a positioning plate (11) having one end extending into the inside of the positioning groove (10) being fixedly connected to the left side and the right side of the support rod (7).

5. The multi-station power aging detection device according to claim 4, characterized in that: The two positioning grooves (10) are symmetrically distributed with the placement hole (13) as the center, and the two positioning plates (11) are respectively slidably connected to the two positioning grooves (10).

6. The multi-station power aging detection device according to claim 4, characterized in that: The fixing assembly includes two telescopic rods (15), the two telescopic rods (15) are fixedly connected to the inside of the installation groove (14), the support rod (7) extends to the inside of the installation groove (14), the opposite side surfaces of the two telescopic rods (15) are fixedly connected with a baffle (18), the opposite side surfaces of the two baffles (18) are fixedly connected with a clamping rod (20), the outer peripheral walls of the two telescopic rods (15) are respectively provided with a support spring (16) fixedly connected to the installation groove (14) and the baffle (18), the left side and the right side of the support rod (7) are provided with a clamping hole (21), the two clamping rods (20) extend to the inside of the two clamping holes (21), and the inside of the equipment box (2) is provided with two connecting grooves (17), and the top surfaces of the two baffles (18) are fixedly connected to a connecting plate (19) with one end extending to the inside of the connecting groove (17).

7. The multi-station power aging detection device according to claim 6, characterized in that: The two connecting grooves (17) are both located at the top of the installation groove (14), the two connecting plates (19) are respectively slidably connected to the two connecting grooves (17), and the two clamping rods (20) are respectively clearance-matched with the two clamping holes (21).

8. The multi-station power aging detection device according to claim 7, characterized in that: The two baffles (18) are both fitted with the support rod (7), and the telescopic rod (15) is composed of a sleeve and a motion rod. One end of the motion rod passes through and extends into the interior of the sleeve, and the outer side of the motion rod is fixedly connected to a limiting block located inside the sleeve, and a through hole adapted to the motion rod is opened on one side of the sleeve.

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