Portable power battery pack test auxiliary device

Abstract

The utility model relates to the technical field of power battery pack test equipment, in particular to a portable power battery pack test auxiliary device, which comprises an operation box, an upper chamber and a lower chamber are arranged in the operation box, the lower chamber is a storage chamber, and the operation box is provided with a first sealing door, a fixing shaft and a second sealing door. The first sealing door and the second sealing door are provided with rotating shafts, the fixing shaft is arranged in the middle of the front side wall of the operation box, the fixing shaft is provided with a first lock catch facing the first sealing door, and the fixing shaft is provided with a second lock catch facing the second sealing door. The main board is arranged at the inner bottom of the upper cavity, a control panel is arranged on the side, facing the first sealing door, of the main board, and a first BMS terminal, a second BMS terminal, a network port, a channel power terminal and a channel voltage sampling terminal which are electrically connected with the main board are arranged on the control panel. The device is convenient to carry, a storage space is arranged in the operation box, tools and wires can be placed in the storage space, and the main board can be protected when the first sealing door covers the operation box.

Description

Technical Field

[0001] The utility model relates to the technical field of power battery pack testing equipment, and in particular to a portable power battery pack testing auxiliary device. Background Art

[0002] As the core of electric vehicles, power batteries are directly related to the efficiency and safety of vehicles. Traditional battery pack testing requires connecting the low-voltage output line of the battery pack to various testing equipment to ensure that it is safe and qualified before it can enter the market.

[0003] In a power battery charge and discharge detection power supply with publication number CN207910689U, the main power unit, main power transformer, output filter inductor, and main control circuit are concentrated in a cabinet. However, the vertical cabinet is large in size, and each detection requires manual wiring of a large number of low-voltage output lines and detection equipment, and then one-to-one corresponding connection. The process is complicated and prone to errors. In actual applications, the above equipment is not convenient to carry around, and the cabinet has no storage space, which cannot meet the diverse usage needs of users. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a portable power battery pack testing auxiliary device, which is easy to carry and equipped with storage space.

[0005] Based on the above purpose, the utility model provides a portable power battery pack test auxiliary device, including:

[0006] An operation box is provided with an upper and lower chamber, the lower chamber is a storage chamber, the operation box is provided with a first sealing door, a fixed shaft, and a second sealing door, the first sealing door and the second sealing door are provided with a rotating shaft, the rotating shaft is rotatably connected to the left and right side walls of the operation box respectively, the fixed shaft is arranged in the middle of the front side wall of the operation box, the fixed shaft is provided with a first lock buckle toward the first sealing door, and a second lock buckle toward the second sealing door, the first sealing door and the second sealing door are plugged with the fixed shaft through the first lock buckle and the second lock buckle respectively;

[0007] The main board is arranged at the bottom of the upper chamber. The main board is provided with a control panel on the side facing the first sealed door. The control panel is provided with a first BMS terminal, a second BMS terminal, a network port, a channel power terminal, and a channel voltage sampling terminal electrically connected to the main board.

[0008] As an optional implementation, it further includes a fan, wherein the fan is disposed in the upper chamber, a heat dissipation net is disposed on the outer side of the fan, and the heat dissipation net is embedded in the control panel.

[0009] As an optional implementation, an energy-saving lamp is provided at the top of the upper chamber, and the energy-saving lamp is located above the fan.

[0010] As an optional implementation, the side wall of the operation box is provided with a first screw, the first sealing door and a threaded hole are provided at a position corresponding to the first screw, the rotating shaft is provided with a pin shaft, and the pin shaft is rotatably connected to the operation box.

[0011] As an optional implementation, the size of the first lock buckle is not larger than the threaded hole, and a socket corresponding to the size of the second lock buckle is provided on the side of the second sealing door facing the fixed shaft.

[0012] As an optional embodiment, the fixed shaft is also provided with a first limiting groove and a second limiting groove, the first locking buckle and the second locking buckle are respectively slidably connected to the first limiting groove and the second limiting groove, the first limiting groove and the second limiting groove are also respectively provided with a first spring and a second spring, one end of the first spring and the second spring are respectively fixed to the inner side walls of the first limiting groove and the second limiting groove, and the other ends of the first spring and the second spring are respectively fixedly connected to the side walls of the first locking buckle and the second locking buckle.

[0013] As an optional implementation, the operation box is provided with a second screw, and the control panel is detachably connected to the outer wall of the upper chamber via the second screw.

[0014] As an optional embodiment, the main board is also provided with a spare interface on one side facing the control panel, and an air switch and AC wiring terminals are provided on the other side of the main board through the operation box, and the AC wiring terminals are provided with a slidably connected protective cover.

[0015] As an optional implementation, a handle is further provided on the top of the operation box, and the handle is made of an elastic band.

[0016] From the above description, it can be seen that the utility model provides a portable power battery pack test auxiliary device. When testing the power battery, the second sealed door is opened by sliding the second lock, and the required wires or tools are stored in the storage chamber. By turning the first screw and rotating the first sealed door, the power battery to be tested can be connected to the various interfaces on the control panel through wires, so as to collect data. The device is easy to carry when used, and the operation box is equipped with storage space for placing some tools and wires. When not working, closing the first sealed door and the second sealed door can prevent dust from entering the device and protect the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A left side structural schematic diagram provided by the utility model;

[0019] Figure 2 A left side cross-sectional structural schematic diagram provided by the utility model;

[0020] Figure 3 A schematic diagram of the main cross-sectional structure provided by the utility model;

[0021] Figure 4 A schematic diagram of the right front stereoscopic structure provided by the utility model;

[0022] Figure 5 A schematic diagram of the left front stereoscopic structure provided by the utility model;

[0023] Figure 6 A schematic diagram of the first lock buckle and the second lock buckle provided by the utility model;

[0024] Figure 7 The utility model provides Figure 1 Schematic diagram of the local enlarged structure at point A in the middle.

[0025] Numbers in the figure: 1. Operation box; 11. First sealing door; 111. Threaded hole; 112. Rotating shaft; 1121. Pin; 12. Energy-saving lamp; 13. First screw; 14. Fixed shaft; 141. First lock buckle; 142. Second lock buckle; 143. First limiting groove; 1431. First spring; 144. Second limiting groove; 1441. Second spring; 15. Second sealing door; 16. Storage room; 17. Second screw; 18. Handle; 2. Main board; 21. First BMS terminal; 22. Second BMS terminal; 23. Network port; 24. Channel power terminal; 25. Channel voltage sampling terminal; 26. Spare interface; 27. Air switch; 28. AC wiring terminal; 281. Protective cover; 3. Fan; 31. Heat dissipation net. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0027] In order to achieve the above-mentioned invention object, the utility model provides a portable power battery pack test auxiliary device, such as Figure 1-Figure 7As shown, including:

[0028] An operation box 1 is provided with an upper and lower chamber, wherein the lower chamber is a storage chamber 16, the operation box 1 is provided with a first sealed door 11, a fixed shaft 14, and a second sealed door 15, the first sealed door 11 and the second sealed door 15 are provided with a rotating shaft 112, the rotating shaft 112 is rotatably connected to the left and right side walls of the operation box 1 respectively, the fixed shaft 14 is arranged in the middle of the front side wall of the operation box 1, the fixed shaft 14 is provided with a first lock buckle 141 toward the first sealed door 11, and is provided with a second lock buckle 142 toward the second sealed door 15, the first sealed door 11 and the second sealed door 15 are plugged with the fixed shaft 14 through the first lock buckle 141 and the second lock buckle 142 respectively;

[0029] The main board 2 is arranged at the bottom of the upper chamber. The main board 2 is provided with a control panel on the side facing the first sealed door 11. The control panel is provided with a first BMS terminal 21, a second BMS terminal 22, a network port 23, a channel power terminal 24, and a channel voltage sampling terminal 25 electrically connected to the main board 2.

[0030] In this embodiment, the portability can be greatly improved by the operation box 1. When conducting on-site testing, the operation box 1 is placed, and the first sealing door 11 is rotated around the rotating shaft 112 by screwing the first screw 13. When the first sealing door 11 is rotated to a position corresponding to the first lock buckle 141, the first sealing door 11 can be temporarily fixed on the side wall of the operation box 1, while the control panel on the main board 2 is exposed. Then the second lock buckle 142 is slid to open the second sealing door 15, and the tools and wires in the storage chamber 16 are taken out. The test battery can be connected to the various interface terminals on the operation panel through wires, and the control panel can be removed from one side of the box by the second screw 17.

[0031] An optional embodiment further includes a fan 3, wherein the fan 3 is disposed in the upper chamber, and a heat dissipation net 31 is disposed on the outer side of the fan 3, and the heat dissipation net 31 is embedded in the control panel. In this way, the main board 2 and other parts inside the operating box 1 can be cooled when working. An energy-saving lamp 12 is disposed at the top of the upper chamber, and the energy-saving lamp 12 is located above the fan 3. In this way, when the ambient light is insufficient, the energy-saving lamp 12 can be turned on for lighting.

[0032] In an optional embodiment, the side wall of the operation box 1 is provided with a first screw 13, the first sealing door 11 is provided with a threaded hole 111 at a position corresponding to the first screw 13, the rotating shaft 112 is provided with a pin 1121, and the pin 1121 is rotatably connected to the operation box 1. The fixed shaft 14 is also provided with a first limiting groove 143 and a second limiting groove 144, the first lock buckle 141 and the second lock buckle 142 are respectively slidably connected to the first limiting groove 143 and the second limiting groove 144, the first limiting groove 143 and the second limiting groove 144 are also provided with a first spring 1431 and a second spring 1441, one end of the first spring 1431 and the second spring 1441 are respectively fixed to the inner side wall of the first limiting groove 143 and the second limiting groove 144, and the other ends of the first spring 1431 and the second spring 1441 are respectively fixedly connected to the side walls of the first locking buckle 141 and the second locking buckle 142.

[0033] In this embodiment, a threaded hole 111 is opened on the side wall of the first sealing door 11. When the operation box 1 is not needed, the first sealing door 11 is covered on the control panel and fixed by screwing the first screw 13. When the operation box 1 needs to be used, the first screw 13 is unscrewed and the first sealing door 11 is rotated. When the threaded hole 111 corresponds to the first lock buckle 141 on the fixed shaft 14, the first sealing door 11 can be fixed by sliding the first lock buckle 141 into the threaded hole 111. When the tools and wires in the storage chamber 16 need to be taken out, the second lock buckle 142 is slid out of the insertion hole to rotate the second sealing door 15. The first spring 1431 and the second spring 1441 adopted in the design ensure that the first lock buckle 141 and the second lock buckle 142 can ensure that they can be fixed when inserted into the threaded hole 111 and the insertion hole.

[0034] In an optional embodiment, the main board 2 is also provided with a spare interface 26 on one side facing the control panel, and an air switch 27 and an AC terminal 28 are provided on the other side of the main board 2 through the operating box 1. The AC terminal 28 is provided with a slidably connected protective cover 281. In this way, more functions are provided for the operating box 1, and the device body can also be protected.

[0035] In an optional implementation manner, a handle 18 is further provided at the top of the operation box 1, and the handle 18 is made of an elastic band for easy movement and carrying.

[0036] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the embodiments of the utility model should be the common meanings understood by people with ordinary skills in the field to which the disclosure belongs. The "first", "second" and similar words used in the present disclosure do not represent any order, quantity or importance, but are only used to distinguish different components. "Including" or "comprising" and similar words mean that the elements or objects appearing before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0037] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0038] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A portable power battery pack test auxiliary device, characterized in that: include: An operation box (1) is provided with an upper and lower chamber, wherein the lower chamber is a storage chamber (16), the operation box (1) is provided with a first sealing door (11), a fixed shaft (14), and a second sealing door (15), the first sealing door (11) and the second sealing door (15) are provided with a rotating shaft (112), the rotating shaft (112) is rotatably connected to the left and right side walls of the operation box (1), the fixed shaft (14) is arranged in the middle of the front side wall of the operation box (1), the fixed shaft (14) is provided with a first lock buckle (141) toward the first sealing door (11), and is provided with a second lock buckle (142) toward the second sealing door (15), the first sealing door (11) and the second sealing door (15) are plugged into the fixed shaft (14) through the first lock buckle (141) and the second lock buckle (142) respectively; A main board (2) is arranged at the bottom of the upper chamber, and a control panel is provided on the side of the main board (2) facing the first sealed door (11), and the control panel is provided with a first BMS terminal (21), a second BMS terminal (22), a network port (23), a channel power terminal (24), and a channel voltage sampling terminal (25) electrically connected to the main board (2).

2. A portable power battery pack test auxiliary device according to claim 1, characterized in that: It also comprises a fan (3), wherein the fan (3) is arranged in the upper chamber, a heat dissipation net (31) is arranged on the outer side of the fan (3), and the heat dissipation net (31) is embedded in the control panel.

3. A portable power battery pack test auxiliary device according to claim 2, characterized in that: An energy-saving lamp (12) is provided at the top of the upper chamber, and the energy-saving lamp (12) is located above the fan (3).

4. A portable power battery pack test auxiliary device according to claim 1, characterized in that: The side wall of the operation box (1) is provided with a first screw (13); the first sealing door (11) is provided with a threaded hole (111) at a position corresponding to the first screw (13); the rotating shaft (112) is provided with a pin shaft (1121); and the pin shaft (1121) is rotatably connected to the operation box (1).

5. A portable power battery pack test auxiliary device according to claim 4, characterized in that: The size of the first lock buckle (141) is not larger than the threaded hole (111), and a plug hole corresponding to the size of the second lock buckle (142) is provided on the side of the second sealing door (15) facing the fixed shaft (14).

6. A portable power battery pack test auxiliary device according to claim 1, characterized in that: The fixed shaft (14) is also provided with a first limiting groove (143) and a second limiting groove (144); the first locking buckle (141) and the second locking buckle (142) are respectively slidably connected to the first limiting groove (143) and the second limiting groove (144); the first limiting groove (143) and the second limiting groove (144) are also respectively provided with a first spring (1431) and a second spring (1441); one end of the first spring (1431) and the second spring (1441) are respectively fixed to the inner side wall of the first limiting groove (143) and the second limiting groove (144); the other ends of the first spring (1431) and the second spring (1441) are respectively fixedly connected to the side wall of the first locking buckle (141) and the second locking buckle (142).

7. A portable power battery pack test auxiliary device according to claim 1, characterized in that: The operation box (1) is provided with a second screw (17), and the control panel is detachably connected to the outer wall of the upper chamber via the second screw (17).

8. A portable power battery pack test auxiliary device according to claim 1, characterized in that: The main board (2) is also provided with a spare interface (26) on one side facing the control panel, and the other side of the main board (2) is provided with an air switch (27) and an AC wiring terminal (28) penetrating the operation box (1), and the AC wiring terminal (28) is provided with a slidably connected protective cover (281).

9. A portable power battery pack test auxiliary device according to claim 1, characterized in that: The top of the operation box (1) is also provided with a handle (18), and the handle (18) is made of an elastic band.

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