New energy automobile battery pack water cooling structure

Abstract

The utility model discloses a new energy automobile battery pack water-cooling structure in the technical field of new energy automobile battery packs, which comprises a battery pack body and water-cooling sheets, the water-cooling sheets are positioned at the top of the battery pack body and are uniformly distributed, water-cooling pipes are arranged in the water-cooling sheets, water outlets of the water-cooling pipes are fixedly connected with butt joints, and the butt joints are fixedly connected with a water inlet of the battery pack body. A water inlet of the water cooling pipe is fixedly connected with a butt joint pipe, the butt joint pipe is inserted into an inner cavity of the butt joint head, the outer side wall of the butt joint pipe is sleeved with a sealing ring, the front side wall and the rear side wall of the water cooling piece are fixedly connected with sockets, mounting holes are formed in the outer side walls of the sockets, and inner cavities of the mounting holes are slidably connected with pressing columns. The new energy automobile battery pack water-cooling structure is reasonable in structural design, a single water-cooling module can be replaced under the condition that the water-cooling mechanism is damaged, cannot be maintained and needs to be replaced, so that the use cost is reduced, later installation, maintenance and disassembly of the water-cooling mechanism can be facilitated, and the after-sale efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicle battery packs, in particular to a water cooling structure for a new energy vehicle battery pack. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional automotive fuels as their power source (or use conventional automotive fuels and adopt new on-board power devices), and integrate advanced technologies in vehicle power control and drive to form vehicles with advanced technical principles, new technologies, and new structures. New energy vehicle battery packs are widely used in new energy hybrid vehicles. However, due to the high charge and discharge rates of hybrid vehicle battery packs, the battery heating problem is serious, and normal natural cooling can no longer meet the requirements. Water cooling is a necessary configuration for hybrid battery packs.

[0003] The existing automotive battery pack water-cooling structure is usually an integrated structure, which is installed as a whole on the top or bottom of the parallel battery pack. However, when the water-cooling structure leaks and cannot be repaired, the entire water-cooling module needs to be replaced, which increases the cost of replacement. In addition, the overall water-cooling mechanism is not convenient for subsequent installation, maintenance and disassembly, which also affects the efficiency of after-sales service. For this reason, we propose a new energy vehicle battery pack water-cooling structure. Utility Model Content

[0004] The purpose of the utility model is to provide a water cooling structure for a new energy vehicle battery pack, so as to solve the problems raised in the above background technology, namely, increased replacement cost, inconvenience in subsequent installation, maintenance and disassembly, and also affecting the efficiency of after-sales service.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water-cooling structure for a new energy vehicle battery pack, comprising a battery pack body and a water-cooling plate, the water-cooling plate being located on the top of the battery pack body and evenly distributed, a water-cooling pipe being arranged inside the water-cooling plate, a water outlet of the water-cooling pipe being fixedly connected with a docking joint, a water inlet of the water-cooling pipe being fixedly connected with a docking tube, the docking tube being inserted into the inner cavity of the docking joint, a sealing ring being sleeved on the outer wall of the docking tube, front and rear side walls of the water-cooling plate being fixedly connected with a socket, an installation hole being opened on the outer wall of the socket, a pressure column being slidably connected to the inner cavity of the installation hole, a plug being clamped on the outer side of the installation hole, and a heat-absorbing pad being arranged between the bottom of the water-cooling plate and the battery pack body.

[0006] As a further description of the above technical solution:

[0007] The left and right side walls of the battery pack body are fixedly connected with buckles, and the buckles are arranged in sequence from front to back.

[0008] As a further description of the above technical solution:

[0009] A water inlet pipe is clamped between the left buckles, and a water outlet pipe is clamped between the right buckles. Branch pipes are fixedly connected to the tops of the water inlet pipe and the water outlet pipe, and the branch pipes are arranged in sequence from front to back.

[0010] As a further description of the above technical solution:

[0011] A positioning bar is fixedly connected to the top of the battery pack body and located on the front and rear sides of the water cooling plate. An insertion rod is fixedly connected to the top of the battery pack body and located on the right side of the positioning bar. The right end of the insertion rod is inserted into the inner cavity of the socket.

[0012] As a further description of the above technical solution:

[0013] The outer side wall of the insertion rod is fixedly connected with a spring sheet, and the end of the spring sheet is fixedly connected with a locking block, and the locking block is clamped in the inner cavity of the mounting hole, and the locking block contacts the end of the pressure column.

[0014] As a further description of the above technical solution:

[0015] The water inlet of the water cooling pipe on the left is fixedly connected to a water inlet auxiliary pipe, and the water inlet auxiliary pipe is clamped on the top of the left branch pipe through a quick connector. The water outlet of the water cooling pipe on the right is fixedly connected to a water outlet auxiliary pipe, and the water outlet auxiliary pipe is clamped on the top of the right branch pipe through a quick connector.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The water-cooling structure of the battery pack of the new energy vehicle is discharged in parallel through multiple water-cooling plates, and the water outlet of each water-cooling plate is provided with a docking pipe, and the water inlet is provided with a docking head, which are connected in parallel by plugging the docking pipe into the docking head. At the same time, the water-cooling pipes in the water-cooling plates in the left row are docked through the branch pipe on the water inlet auxiliary pipe and the water inlet main pipe, and the water-cooling pipes in the water-cooling plates in the right row are docked through the branch pipe on the water outlet auxiliary pipe and the water outlet main pipe, so as to realize the modular assembly of the water-cooling plates, so that when the water cooling mechanism is damaged and cannot be repaired and needs to be replaced, a single water cooling module can be replaced to reduce the use cost.

[0018] 2. The water-cooling structure of the battery pack of the new energy vehicle can position and install the water-cooling plate through the positioning strip installed on the battery pack body. At the same time, a plug rod is installed on the right side of the positioning strip, which is plugged into the socket on the water-cooling plate. Under the action of the spring sheet on the plug rod, the locking block is snapped into the mounting hole on the socket, and the locking block can be unlocked by opening the plug and pressing the pressure column to disassemble the water-cooling plate, thereby facilitating the later installation, maintenance and disassembly of the water-cooling mechanism and improving the efficiency of after-sales service. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a water cooling structure for a new energy vehicle battery pack proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the main structure of a water cooling structure for a new energy vehicle battery pack proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of a top view and cross-sectional structure of a water cooling structure for a battery pack of a new energy vehicle proposed in the utility model;

[0022] Figure 4 A water cooling structure for a battery pack of a new energy vehicle proposed in this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0023] Figure 5 A water cooling structure for a battery pack of a new energy vehicle proposed in this utility model Figure 3 Enlarged structural diagram at B in the middle.

[0024] In the figure: 100, battery pack body; 110, buckle; 111, water inlet main pipe; 112, water outlet main pipe; 113, branch pipe; 120, positioning strip; 130, plug rod; 131, spring sheet; 132, locking block; 200, water cooling plate; 210, water cooling pipe; 211, water inlet auxiliary pipe; 212, water outlet auxiliary pipe; 220, docking joint; 230, docking pipe; 231, sealing ring; 240, socket; 241, mounting hole; 242, pressure column; 243, plug; 250, heat absorbing pad. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The utility model provides a water cooling structure for the battery pack of a new energy vehicle, which reduces the use cost, facilitates the later installation, maintenance and disassembly of the water cooling mechanism, and improves the efficiency of after-sales service. Figure 1-5 , including a battery pack body 100 and a water cooling sheet 200;

[0029] See also Figure 1-4The left and right side walls of the battery pack body 100 are fixedly connected with buckles 110, and the buckles 110 are arranged in sequence from front to back. The buckles 110 are used to install the water inlet pipe 111 and the water outlet pipe 112. The water inlet pipe 111 is clamped between the left buckles 110, and the water inlet pipe 111 is used to connect the water cooling water inlet. The water outlet pipe 112 is clamped between the right buckles 110, and the water outlet pipe 112 is used to connect the water cooling water outlet. The tops of the water inlet pipe 111 and the water outlet pipe 112 are fixedly connected. The branch pipe 113 is connected to the main pipe and the auxiliary pipe, and the branch pipes 113 are arranged in sequence from front to back. The top of the battery pack body 100 and the front and rear sides of the water cooling plate 200 are fixedly connected with a positioning bar 120, and the positioning bar 120 is used to position the water cooling plate 200. The top of the battery pack body 100 and the right side of the positioning bar 120 are fixedly connected with a plug rod 130, and the plug rod 130 is used to cooperate with the socket 240 to install the water cooling plate 200. The right end of the plug rod 130 is inserted into the socket 240. The inner cavity of the socket 240 is connected to the outer wall of the plug rod 130, and the spring sheet 131 is fixedly connected to the locking block 132. The end of the spring sheet 131 is fixedly connected to the locking block 132, and the locking block 132 is clamped in the inner cavity of the mounting hole 241. The locking block 132 is used to lock the plug rod 130 with the mounting hole 241. The locking block 132 contacts the end of the pressure column 242, and the water cooling plates 200 are arranged in parallel, and the water outlet of each water cooling plate 200 is The water inlet is provided with a docking pipe 230, and the water inlet is provided with a docking head 220. The docking pipe 230 is inserted into the docking head 220 for parallel combination. At the same time, the water cooling pipes 210 in the water cooling plate 200 in the left row are docked with the branch pipe 113 on the water inlet main pipe 111 through the water inlet auxiliary pipe 211, and the water cooling pipes 210 in the water cooling plate 200 in the right row are docked with the branch pipe 113 on the water outlet main pipe 112 through the water outlet auxiliary pipe 212, so as to realize the modular assembly of the water cooling plate 200;

[0030] In summary, when the water cooling mechanism is damaged and cannot be repaired and needs to be replaced, a single water cooling module can be replaced to reduce the cost of use.

[0031] Please refer again Figure 1-5A water cooling tube 210 is provided inside the water cooling plate 200. The water outlet of the water cooling tube 210 is fixedly connected with a docking joint 220. The water inlet of the water cooling tube 210 is fixedly connected with a docking tube 230. The docking tube 230 is inserted into the inner cavity of the docking joint 220. The outer wall of the docking tube 230 is sleeved with a sealing ring 231. The front and rear side walls of the water cooling plate 200 are fixedly connected with a socket 240. The outer wall of the socket 240 is provided with a mounting hole 241. The inner cavity of the mounting hole 241 is slidably connected with a pressure column 242. The outer side of the mounting hole 241 is clamped with a plug 243. A heat absorbing pad 250 is provided between the bottom of the water cooling plate 200 and the battery pack body 100. The water inlet of the left water cooling tube 210 is fixedly connected with a water inlet auxiliary pipe 211, and the water inlet auxiliary pipe 211 is connected to the battery pack body 100 through a quick connector. The water outlet of the right water-cooling pipe 210 is fixedly connected to the water outlet auxiliary pipe 212 through a quick connector, and the water-cooling plate 200 is located at the top of the battery pack body 100 and is evenly distributed. The water-cooling plate 200 can be positioned and installed by the positioning bar 120 installed on the battery pack body 100. At the same time, a plug rod 130 is installed on the right side of the positioning bar 120, which is plugged into the socket 240 on the water-cooling plate 200. Under the action of the spring sheet 131 on the plug rod 130, the locking block 132 is plugged into the mounting hole 241 on the socket 240, and the locking block 132 can be unlocked by opening the plug 243 and pressing the pressure column 242 to disassemble the water-cooling plate 200.

[0032] To sum up, the later installation, maintenance and disassembly of the water cooling mechanism can be facilitated, thereby improving the efficiency of after-sales service.

[0033] In specific use, when the technical personnel in this field install the water cooling structure of the battery pack, the positioning bar 120 installed on the battery pack body 100 can position and install the water cooling plate 200, and at the same time, a plug rod 130 is installed on the right side of the positioning bar 120, and the plug rod 130 is inserted into the socket 240 on the water cooling plate 200, and the locking block 132 is snapped into the mounting hole 241 on the socket 240 under the action of the spring sheet 131 on the plug rod 130, and the docking tube 230 is inserted into the docking head 220 for parallel connection. The water-cooling tubes 210 in the left row of water-cooling plates 200 are connected to each other through the water inlet auxiliary pipe 211 and the branch pipe 113 on the water inlet main pipe 111, and the water-cooling tubes 210 in the right row of water-cooling plates 200 are connected to each other through the water outlet auxiliary pipe 212 and the branch pipe 113 on the water outlet main pipe 112, thereby realizing the modular assembly of the water-cooling plates 200. When replacing the water-cooling plates 200, the locking block 132 can be unlocked by opening the plug 243 and pressing the pressure column 242 to disassemble the water-cooling plates 200.

[0034] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A water cooling structure for a battery pack of a new energy vehicle, characterized in that: The battery pack comprises a battery pack body (100) and a water cooling plate (200), wherein the water cooling plate (200) is located at the top of the battery pack body (100) and is evenly distributed, a water cooling pipe (210) is provided inside the water cooling plate (200), a water outlet of the water cooling pipe (210) is fixedly connected to a docking joint (220), a water inlet of the water cooling pipe (210) is fixedly connected to a docking pipe (230), and the docking pipe (230) is plugged into the inner cavity of the docking joint (220). A sealing ring (231) is sleeved on the outer wall of the butt-joint pipe (230); a socket (240) is fixedly connected to the front and rear side walls of the water-cooling plate (200); a mounting hole (241) is opened on the outer wall of the socket (240); a pressure column (242) is slidably connected to the inner cavity of the mounting hole (241); a plug (243) is clamped on the outer side of the mounting hole (241); and a heat absorbing pad (250) is provided between the bottom of the water-cooling plate (200) and the battery pack body (100).

2. A water cooling structure for a new energy vehicle battery pack according to claim 1, characterized in that: Buckles (110) are fixedly connected to the left and right side walls of the battery pack body (100), and the buckles (110) are arranged in sequence from front to back.

3. A water cooling structure for a new energy vehicle battery pack according to claim 2, characterized in that: A water inlet pipe (111) is clamped between the left side buckles (110), and a water outlet pipe (112) is clamped between the right side buckles (110). Branch pipes (113) are fixedly connected to the tops of the water inlet pipe (111) and the water outlet pipe (112), and the branch pipes (113) are arranged in sequence from front to back.

4. The water cooling structure of a new energy vehicle battery pack according to claim 1, characterized in that: A positioning bar (120) is fixedly connected to the top of the battery pack body (100) and located on the front and rear sides of the water cooling plate (200), and an insertion rod (130) is fixedly connected to the top of the battery pack body (100) and located on the right side of the positioning bar (120), and the right end of the insertion rod (130) is inserted into the inner cavity of the socket (240).

5. A water cooling structure for a new energy vehicle battery pack according to claim 4, characterized in that: The outer side wall of the insertion rod (130) is fixedly connected to a spring sheet (131), and the end of the spring sheet (131) is fixedly connected to a locking block (132), and the locking block (132) is snap-fitted into the inner cavity of the mounting hole (241), and the locking block (132) is in contact with the end of the pressure column (242).

6. A water cooling structure for a new energy vehicle battery pack according to claim 3, characterized in that: The water inlet of the water cooling pipe (210) on the left side is fixedly connected to a water inlet auxiliary pipe (211), and the water inlet auxiliary pipe (211) is clamped to the top of the branch pipe (113) on the left side through a quick connector, and the water outlet of the water cooling pipe (210) on the right side is fixedly connected to a water outlet auxiliary pipe (212), and the water outlet auxiliary pipe (212) is clamped to the top of the branch pipe (113) on the right side through a quick connector.

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