Connector for laminated battery box

Abstract

The utility model belongs to the technical field of high-voltage connectors, and particularly relates to a connector for a laminated battery box, which comprises a connector socket arranged on the laminated battery box and a connector plug matched with the connector socket. First rotary buckle assemblies are arranged on the connector socket at intervals, second rotary buckle assemblies are arranged on the connector plug at intervals, and the second rotary buckle assemblies are matched with the first rotary buckle assemblies so that the connector socket can be stably connected with the connector plug. By using the connector, the cost of a wire harness connector can be reduced, the arrangement space of a whole machine is saved, the size of the whole machine is reduced, the adaptability is improved, the copper bar connector can rotate by 360 degrees, and the stability and reliability of long-span copper bar connection are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of high-voltage connectors, and in particular relates to a connector for a laminated battery box. Background Art

[0002] The development and use of new energy is an important direction for China's future energy exploration, especially the use of new energy in automobiles, which is of great significance for China to achieve overtaking in the international automobile field. At present, the new energy vehicles on the market are mainly electric vehicles, which are composed of laminated battery boxes in the form of stacked battery packs, and the laminated battery boxes provide kinetic energy for new energy vehicles. Each battery pack in the laminated battery box is supplied with electrical energy by several high-voltage connectors to ensure the normal operation of various components of the vehicle. Therefore, the quality of the connector has an important impact on the effectiveness of the laminated battery box.

[0003] After searching, the Chinese utility model patent: A combined copper busbar connector in a new energy vehicle battery system (publication number CN 221009262U, publication date 2024.05.24), includes a connecting frame, the left and right side walls of the connecting frame are provided with connecting plates, a plurality of groups of jacks are opened at the bottom of the connecting frame, a plurality of groups of fixing plates are arranged in the connecting frame, the tops of the plurality of fixing plates are connected with screw rods through bearings, the outer walls of the plurality of plug rods are sleeved with pressure plates, and an adjustment mechanism is arranged at the bottom of the fixing plate.

[0004] During use, the copper busbar connector has problems such as many interfaces, many wiring harnesses, messy wiring, and the space for maintenance and debugging wrenches being blocked by the wiring harnesses due to the large number of battery packs in the stacked battery box. Utility Model Content

[0005] 1. Technical problems to be solved by the utility model

[0006] The utility model aims to solve the problem that the existing laminated battery box has a large number of battery packs, resulting in a large number of interfaces, a large number of wiring harnesses and messy wiring.

[0007] 2. Technical solution

[0008] In order to achieve the above-mentioned purpose, the technical solution provided by the utility model is:

[0009] The utility model discloses a connector for a laminated battery box, comprising a connector socket arranged on the laminated battery box, and a connector plug matched with the connector socket, wherein the connector plug is connected to a conductive copper bus, and a rotating buckle assembly 1 is arranged at intervals on the connector socket, and a rotating buckle assembly 2 is arranged at intervals on the connector plug, and the rotating buckle assembly 2 is matched with the rotating buckle assembly 1 to ensure a stable connection between the connector socket and the connector plug.

[0010] Preferably, the rotating buckle component 1 is a raised mountain shape, and when the rotating buckle component 2 is matched with the rotating buckle component 1, the movable space of the rotating buckle component 2 is limited.

[0011] Preferably, the connector plug is provided with a button buckle, and the connector socket is provided with an annular stop assembly that cooperates with the button buckle to prevent the connector plug from moving forwards and backwards.

[0012] Preferably, the connector socket is provided with a high-voltage connection terminal 1, and the connector plug is provided with a high-voltage connection terminal 2, and the high-voltage connection terminal 1 and the high-voltage connection terminal 2 are arranged in cooperation with each other to enable current conduction between the connector socket and the connector plug.

[0013] Preferably, the end of the conductive copper bar includes a copper bar connection terminal, and the copper bar connection terminal is arranged in cooperation with the second high-voltage connection terminal to make the conductive copper bar conductive with the connector plug.

[0014] Preferably, a plurality of fixing holes are provided on the connector socket, and the connector socket is fixed to the battery box through the fixing holes.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0017] The utility model provides a connector for a laminated battery box, which can reduce the cost of a wiring harness connector, save space for the layout of the entire machine, reduce the volume of the entire machine, and improve adaptability. The copper busbar connector can rotate 360°, thereby improving the stability and reliability of the long-bridge copper busbar connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a connector for a laminated battery box of the utility model;

[0019] Figure 2 This is a front view of a connector socket for a laminated battery box of the utility model;

[0020] Figure 3 This is a front view of a connector plug for a laminated battery box of the utility model;

[0021] Figure 4 A schematic diagram of a soft and hard jumper of a connector for a laminated battery box of the utility model;

[0022] Figure 5 This is a comparison diagram of the usage status of a connector and a cable for a laminated battery box of the utility model.

[0023] Explanation of the symbols in the schematic diagram:

[0024] 100, connector socket; 110, fixing hole; 120, rotating buckle assembly 1; 130, high-voltage connecting terminal 1; 140, high-voltage interlocking device; 150, stopper assembly;

[0025] 200, connector plug; 210, button buckle; 220, rotating buckle assembly 2; 230, high voltage connection terminal 2;

[0026] 300, conductive copper busbar; 310, copper busbar connecting terminal; 320, conductive soft copper busbar; 330, conductive hard copper busbar;

[0027] 400, battery bracket;

[0028] 500, battery pack; 510, main negative electrode 1 of the battery; 520, main negative electrode 2 of the battery; 530, main positive electrode 1 of the battery; 540, main positive electrode 2 of the battery;

[0029] 600. Traditional cables. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0031] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0032] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0033] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0034] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0035] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0036] Example 1

[0037] See attached Figure 1-3 The connector for the laminated battery box of this embodiment includes three parts: a connector socket 100, a connector plug 200, and a conductive copper bus 300.

[0038] Each of the four corners of the connector socket 100 has a fixing hole 110 , and the connector socket 100 is fixed to the side wall of the battery box through the four fixing holes 110 .

[0039] The connector socket 100 is provided with a plurality of raised rotating buckle components 120 at intervals, and the rotating buckle components 120 are in the shape of a mountain, and the protruding part is the tip of the mountain shape. The connector plug 200 is provided with a plurality of raised rotating buckle components 220 at intervals, and the rotating buckle components 220 and the rotating buckle components 120 fit each other. When the connector plug 200 and the connector socket 100 are completely docked, the connector plug 200 is adjusted so that the rotating buckle components 220 snap into the gap between two adjacent rotating buckle components 120. Because the rotating buckle components 120 are in the shape of a mountain and have a pointed top, when the rotating buckle components 220 snap into the gap between two adjacent rotating buckle components 120, the connector plug 200 can be prevented from rotating excessively or rotating in the wrong angle direction to avoid damage.

[0040] The connector socket 100 is provided with a high-voltage connection terminal 1 130 at the center, and the connector plug 200 is provided with a high-voltage connection terminal 2 230. When the connector plug 200 is fully mated with the connector socket 100, the high-voltage connection terminal 2 230 is mated with the high-voltage connection terminal 1 130, and current is conducted.

[0041] The connector socket 100 is provided with a high-voltage interlocking device 140. When the connector plug 200 is docked with the connector socket 100, current is conducted, and the high-voltage connection state can be determined through the high-voltage interlocking device 140, and an abnormal alarm is issued.

[0042] The connector socket 100 is provided with an annular stopper assembly 150, and the connector plug 200 is provided with a button buckle 210. After the connector plug 200 is docked with the connector socket 100, the button buckle 210 is pressed, and the stopper assembly 150 blocks the button buckle 210, so that the connector plug 200 cannot fall off from the connector socket 100.

[0043] The conductive copper bar 300 is provided with a copper bar connection terminal 310 at its end. The shape of the conductive copper bar 300 can be freely adjusted according to the shape of the battery box, saving the space of the whole machine. The copper bar connection terminal 310 is tightly connected to the high-voltage connection terminal 230 in the connector sheath.

[0044] The conductive copper bus 300 is provided with shielding wires and insulating rubber skin on the outside to ensure the waterproofness and electromagnetic radiation of the entire laminated battery box.

[0045] The conductive copper busbar 300 is made of copper and is circular in shape. The diameter of the conductive copper busbar 300 is determined according to the current carrying capacity. When the conductive copper busbar 300 is used to connect battery packs with different spans, copper with different hardness is used. When the span of two battery packs is far, a conductive soft copper busbar 320 is used; when the span of two battery packs is close, a conductive hard copper busbar 330 is used. This principle is the comprehensive optimal solution, and the design scheme can also be not based on this principle as long as it does not affect the normal operation of the battery system.

[0046] By attaching Figure 4 , several battery packs 500 are installed in the battery holder 400 to form a laminated battery box. In the cushion battery box, the top battery main negative electrode 1 510 is transferred to the bottom battery main negative electrode 2 520 through a conductive soft copper busbar 320, and the upper battery main positive electrode 1 530 is connected to the lower battery main positive electrode 2 540 using a conductive hard copper busbar 330. The conductive copper busbars 300 all follow the principle of using conductive hard copper busbars 330 for short jumper copper busbars and conductive soft copper busbars 320 for long jumper copper busbars. In addition to the two-branch connection scheme of the battery pack in the laminated battery box shown in the figure, it can also be changed to a three-branch scheme according to the actual endurance requirements and volume density requirements of the vehicle.

[0047] By attaching Figure 5 It can be seen that the connection method of the conductive copper busbar 300 is at least 150mm shorter than the connection method of the traditional cable 600. In addition, the connection method of the conductive copper busbar 300 has high hardness and does not have the large-scale vibration problem of the traditional cable 600.

[0048] The above-described embodiments only express a certain implementation method of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the patent of the utility model shall be based on the attached claims.

Claims

1. A connector for a laminated battery box, characterized in that: The invention comprises a connector socket (100) arranged on a laminated battery box, and a connector plug (200) matched with the connector socket (100); the connector plug (200) is connected to a conductive copper bus (300); a rotating buckle assembly (120) is arranged at intervals on the connector socket (100); a rotating buckle assembly (220) is arranged at intervals on the connector plug (200); the rotating buckle assembly (220) is matched with the rotating buckle assembly (120) so that the connector socket (100) and the connector plug (200) are stably connected.

2. A connector for a laminated battery box according to claim 1, characterized in that: The rotating buckle component 1 (120) is in the shape of a raised mountain. When the rotating buckle component 2 (220) is matched with the rotating buckle component 1 (120), the movable space of the rotating buckle component 2 (220) is limited.

3. A connector for a laminated battery box according to claim 2, characterized in that: The connector plug (200) is provided with a button buckle (210), and the connector socket (100) is provided with an annular stopper assembly (150) matched with the button buckle (210) to prevent the connector plug (200) from moving forwards and backwards.

4. A connector for a laminated battery box according to claim 3, characterized in that: The connector socket (100) is provided with a high-voltage connection terminal 1 (130), and the connector plug (200) is provided with a high-voltage connection terminal 2 (230). The high-voltage connection terminal 1 (130) and the high-voltage connection terminal 2 (230) are arranged in coordination to enable current conduction between the connector socket (100) and the connector plug (200).

5. A connector for a laminated battery box according to claim 4, characterized in that: The end of the conductive copper busbar (300) comprises a copper busbar connecting terminal (310), and the copper busbar connecting terminal (310) is arranged in cooperation with the second high-voltage connecting terminal (230) so that the conductive copper busbar (300) and the connector plug (200) are in conduction.

6. A connector for a laminated battery box according to claim 5, characterized in that: A plurality of fixing holes (110) are provided on the connector socket (100), and the connector socket (100) is fixed to the battery box through the fixing holes (110).

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