Soaking liquid-cooled battery box

Abstract

The utility model relates to a soaking liquid-cooled battery box, which is characterized in that the bottom of a liquid-cooled plate is detachably connected with an integral sheet metal part through a first connecting piece, aluminum joints are vertically and fixedly mounted at two ends of the side edge of the top of the liquid-cooled plate, a front cover plate is detachably mounted at the bottom of the integral sheet metal part, and front fixed boxes are mounted at two ends of the side edge of the front cover plate in a fitting manner; a first reinforcing piece is arranged on the side edge of the front fixing box, a second reinforcing piece is welded to the side edge of the first reinforcing piece, a third reinforcing piece is fixedly welded to the other side of the second reinforcing piece, and a reinforcing piece is fixedly installed on the side edge of the third reinforcing piece. According to the technical scheme, corresponding supporting force can be provided for the module mounting beam and the bending piece, then corresponding reinforcing force can be provided for the whole box body from the top, the side edges of the box body and the top of the whole box body are prevented from being bent and damaged due to any external impact, and the sealing performance of the whole box body on cooling liquid in the box body is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technology field, concretely is a kind of immersion liquid cooling battery box. BACKGROUND

[0002] As a key component in energy storage system, the immersion liquid cooling battery box directly contacts with the surface of the battery through the internal cooling liquid, efficiently absorbs the heat generated during the charging and discharging process of the battery, and then cools down through the external circulation system, so as to keep the battery within a stable temperature range. The design of the box not only needs to consider its function of carrying battery modules, but also needs to ensure the effective distribution of the cooling liquid inside the box to achieve the best cooling effect.

[0003] According to the disclosed patent CN219832798U, a liquid-cooled battery box belongs to the technical field of battery liquid cooling systems. The utility model discloses a box frame and a bottom guard plate. The bottom guard plate covers one of the openings of the box frame. A liquid cooling plate is arranged on the side of the bottom guard plate close to the box frame. One side of the liquid cooling plate protrudes outward of the box frame and is provided with a liquid cooling connecting plate. The inlet and outlet of the liquid cooling channel on the liquid cooling plate are arranged on the liquid cooling connecting plate. A pipe joint is arranged on the liquid cooling connecting plate to connect the inlet and outlet of the liquid cooling plate. The pipe joint is located outside the box frame. The main purpose of the utility model is to locate the pipe joint and the connecting pipe outside the box. The original pipe design of the liquid cooling system is cancelled in the box, so that more battery cells can be placed in the battery pack, greatly improving the volume utilization rate and energy density of the battery pack. However, during actual use, the overall side seal of the liquid cooling box is insufficient, which leads to leakage of the cooling liquid inside the battery box from the connection between the box and the sheet metal part, affecting the cooling quality of the battery pack. Therefore, a new technical solution is needed to solve this problem. SUMMARY

[0004] The utility model aims to overcome the shortcomings of the prior art, meet the needs of reality, and provide an immersion liquid cooling battery box to solve the technical problem of insufficient overall side seal of the liquid cooling box during use, which leads to leakage of the cooling liquid inside the battery box from the connection between the box and the sheet metal part, affecting the cooling quality of the battery pack.

[0005] To achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: an immersion liquid cooling battery box is designed, which includes a liquid cooling plate. The bottom of the liquid cooling plate is detachably connected to a whole sheet metal part through a first connecting piece. Aluminum connectors are vertically fixed and installed at both ends of the top side of the liquid cooling plate. A front cover plate is detachably installed at the bottom of the whole sheet metal part.

[0006] The front fixed box is arranged on the both ends of the front cover plate side edge, the first reinforcing part is arranged on the side edge of the front fixed box, the second reinforcing part is welded on the side edge of the first reinforcing part, the third reinforcing part is fixedly welded on the other side of the second reinforcing part, the reinforcing sheet is fixedly installed on the side edge of the third reinforcing part, and the rear fixed box is fixedly installed on the side edge of the reinforcing part.

[0007] The module beam rivet strip is detachably installed on the top side edge of the liquid cooling plate, and the module installation beam is detachably installed on the top of the module beam rivet strip through the second connecting piece.

[0008] The third bending piece is detachably installed on the other side of the top of the liquid cooling plate through a hexagonal rivet nut, the riveting strip is fixedly welded on the inner side wall of the third bending piece, and the module installation beam gasket is detachably installed on the top end of the module installation beam and the top side edge of the third bending piece through the third connecting piece.

[0009] The third bending piece is detachably installed on the other side of the top of the liquid cooling plate through a hexagonal rivet nut, the riveting strip is fixedly welded on the inner side wall of the third bending piece, and the module installation beam gasket is detachably installed on the top end of the module installation beam and the top side edge of the third bending piece through the third connecting piece.

[0010] Preferably, the first connecting piece comprises a rivet nut column and a cross screw, the cross screw is inserted through the liquid cooling plate, the rivet nut column is vertically installed on the top side edge of the whole metal part, and the cross screw is screwed into the interior of the rivet nut column.

[0011] Preferably, the second connecting piece comprises a rivet nut, and the rivet nut is inserted through the interior of the module installation beam and the third bending piece.

[0012] Preferably, the third connecting piece comprises a through-hole rivet nut, the through-hole rivet nut is inserted through and slid into the interior of the module installation beam gasket, and is screwed into the interior of the top end of the module installation beam and the interior of the top end side edge of the third bending piece.

[0013] Preferably, the fourth connecting piece comprises a round-head rivet screw, the round-head rivet screw is inserted through the top of the second bending piece, and the bottom of the round-head rivet screw is screwed with a rivet nut.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The utility model discloses a first reinforcing piece, second reinforcing piece and third reinforcing piece are set up on the top of liquid cooling board, can strengthen the overall structure of liquid cooling board from the side, and set up multiple module mounting beams, module beam rivet strip and module beam gasket on the top of liquid cooling board, set up module mounting beam gasket on module mounting beam, and the third bending piece and the second bending piece can provide corresponding support to module mounting beam and bending piece, and further can provide corresponding reinforcement to the overall box from the top, avoid the bending damage of the side and the overall top of the box under the impact of external, further improve the sealing of the overall box to the internal coolant.

[0016] 2. The utility model discloses a plurality of pull rivet nuts, through-hole pull rivet nuts, pressure rivet nuts and hexagonal pull rivet nuts are set up in the box, can assemble module mounting beam, module beam rivet strip and module beam gasket to the surface of liquid cooling board, and simultaneously assemble multiple bending pieces, so that the damaged and bent components in the corresponding position of the overall mechanism can be quickly disassembled and replaced, avoiding the disassembly and replacement of the overall components and increasing the cost of battery box maintenance. DRAWINGS

[0017] Fig. 1 It is the overall three-dimensional explosion diagram of the utility model;

[0018] Fig. 2 It is the three-dimensional structure schematic diagram of pull rivet nut of the utility model;

[0019] Fig. 3 It is the enlarged structure schematic diagram of A of the utility model;

[0020] In the drawing: 1, liquid cooling board; 2, aluminium joint; 3, front cover plate; 4, overall sheet metal part; 5, front fixed box; 6, first reinforcing piece; 7, second reinforcing piece; 8, third reinforcing piece; 9, reinforcing sheet; 10, rear fixed box; 11, module mounting beam; 12, module beam rivet strip; 13, module beam gasket; 14, first bending piece; 15, second bending piece; 16, fixed plate; 17, rivet strip; 18, third bending piece; 19, pull rivet nut; 20, through-hole pull rivet nut; 21, pressure rivet nut; 22, round head pressure rivet screw; 23, hexagonal pull rivet nut; 24, pressure rivet nut column; 25, cross screw. DETAILED DESCRIPTION

[0021] The utility model is further illustrated below in connection with the drawings and examples:

[0022] Example 1: a water immersion liquid cooling battery box, refer to Figs. 1-3, including liquid cooling plate 1, the bottom of the first connecting piece detachable connection with the overall sheet metal piece 4, the top of the liquid cooling plate 1 side edge both ends are vertically fixed installation of aluminum joint 2, the bottom of the overall sheet metal piece 4 detachable installation of front cover plate 3, the front cover plate 3 side edge both ends are fitted with front fixed box 5, the first reinforcing piece 6 is provided on the side of the front fixed box 5, the second reinforcing piece 7 is welded on the side of the first reinforcing piece 6, the third reinforcing piece 8 is fixedly welded on the other side of the second reinforcing piece 7, the reinforcing piece 8 is fixedly installed on the side of the third reinforcing piece 8, the reinforcing piece is fixedly installed on the side of the rear fixed box 10, the top of the liquid cooling plate 1 side edge detachable installation of module beam pull rivet strip 12, the top of the module beam pull rivet strip 12 is detachable installed through the second connecting piece, the top of the other side of the liquid cooling plate 1 is detachable installed through the hexagonal pull rivet nut 23, the third bending piece 18, the inner side wall of the third bending piece 18 is fixedly welded with rivet strip 17, the top of the third bending piece 18 is detachable installed through the third connecting piece, the top of the third bending piece 18 is detachable installed through the fourth connecting piece, the top of the third bending piece 18 is detachable installed through the fourth connecting piece, the second bending piece 15, the second bending piece 15 and the third bending piece 18 are detachably provided with the first bending piece 14 through the fourth connecting piece.

[0023] Specifically, see Figs. 1-3 , the first connecting piece includes rivet nut 21 column and cross screw 25, and the cross screw 25 is inserted into the liquid cooling plate 1, the top of the overall sheet metal piece 4 is vertically installed with rivet nut 21 column, and the bottom of the cross screw 25 is screwed into the interior of the rivet nut 21 column, the assembly of the overall sheet metal piece 4 and the liquid cooling plate 1 can be realized through the screwing connection of the cross screw 25 and the rivet nut 21 column, and the sealing and stability of the overall sheet metal piece 4 and the liquid cooling plate 1 are improved.

[0024] Further, see Figs. 1-3 , the second connecting piece includes pull rivet nut 19, the pull rivet nut 19 is inserted into the interior of the module installation beam 11 and the third bending piece 18 side, the module installation beam 11 and the third bending piece 18 are installed through the pull rivet nut 19, and the module installation beam 11 and the third bending piece 18 can be quickly disassembled, so that the corresponding parts can be replaced and maintained conveniently.

[0025] It is worth mentioning that, see Figs. 1-3The third connecting piece includes a through-hole pull rivet nut 20, the through-hole pull rivet nut 20 is inserted through the inside of the module beam gasket 13 and is screwed to the inside of the top end of the module mounting beam 11 and the inside of the top end side of the third bending piece 18, through the connecting effect of the through-hole pull rivet nut 20, the module beam gasket 13 and the module mounting beam 11 and the third bending piece 18 can be installed and used, thereby improving the disassembly and assembly efficiency and improving the reinforcement stability of the overall box body.

[0026] It is worth noting that, referring to Figs. 1-3 The fourth connecting piece includes a round head press-in rivet screw 22, the top of the second bending piece 15 is inserted through the round head press-in rivet screw 22 on both sides, the bottom of the round head press-in rivet screw 22 is screwed with a press-in rivet nut 21, through the mutual screwing effect of the round head press-in rivet screw 22 and the press-in rivet nut 21, the second bending piece 15 can be quickly disassembled and assembled, thereby when the second bending piece 15 is damaged, it can be quickly replaced and maintained.

[0027] In working, the liquid cooling plate 1 and the integral sheet metal part 4 are connected by vertically inserting the pull rivet nut 19 and the pressure rivet nut 21 into the mounting hole formed on the surface of the liquid cooling plate 1 and the integral sheet metal part 4, and by screwing the cross screw 25 through the liquid cooling plate 1 to the inside of the pressure rivet nut 21 column located on the surface of the integral sheet metal part 4, then the module installation beam 11, the module beam pull rivet strip 12 and the module beam gasket 13 are simultaneously installed on the top left side of the liquid cooling plate 1 through the through-hole pull rivet nut 20, and the first bending part 14, the second bending part 15, the fixed plate 16 and the second bending part 15 are simultaneously installed on the top right side of the liquid cooling plate 1 under the connection of the pressure rivet nut 21 and the round head pressure rivet screw 22, then the front cover plate 3 is installed on the right side surface of the liquid cooling plate 1 and the integral sheet metal part 4 through the hexagonal pull rivet nut 23, and the first reinforcing part 6, the second reinforcing part 7 and the third reinforcing part 8 are fixedly installed on the front and rear ends of the liquid cooling plate 1 and the integral sheet metal part 4 through the connection of the front fixed box 5 and the rear fixed box 10, so that the liquid cooling plate 1 and the integral sheet metal part 4 form a liquid cooling battery box, and the first reinforcing part 6, the second reinforcing part 7 and the third reinforcing part 8 can strengthen the overall structure of the liquid cooling plate 1 from the side, and a plurality of module installation beams 11, module beam pull rivet strips 12 and module beam gaskets 13 are arranged on the top of the liquid cooling plate 1, the module beam gasket 13 is arranged between the module installation beam 11 and the third bending part 18 and the second bending part 15, so that the module installation beam 11 and the bending part can be provided with corresponding supporting force, and the top of the overall box and the outer side wall can be provided with corresponding reinforcing force from the top, so that the side of the box and the overall top are prevented from being damaged by external impact, and when the reinforcing part at the corresponding position is damaged, the nut and the screw at the corresponding position are disassembled and used, so that the damaged position can be quickly disassembled and replaced, and the sealing property of the box during long-time use is ensured.

[0028] In addition, the components of the utility model are all general standard components or components known by those skilled in the art, the structure and principle of which can be known by technical personnel through a technical manual or through a conventional experimental method, and those skilled in the art can realize it without further description, and the content protected by the utility model does not involve improvement of the internal structure and method.

[0029] The embodiments of the utility model disclose preferred embodiments, but are not limited to this, and those skilled in the art can easily understand the spirit of the utility model according to the above-mentioned embodiments, and make different inferences and changes, as long as they do not deviate from the spirit of the utility model, they are within the protection scope of the utility model.

Claims

1. A water-immersed liquid-cooled battery casing, comprising a liquid cooling plate (1), characterized in that, The bottom of the liquid cooling plate (1) is detachably connected to an integral sheet metal part (4) via a first connector. Both ends of the top side of the liquid cooling plate (1) are vertically fixed with aluminum connectors (2). The bottom of the integral sheet metal part (4) is detachably installed with a front cover plate (3). The front cover plate (3) has a front fixed box (5) attached to both ends of its side. The front fixed box (5) has a first reinforcing member (6) on its side. The first reinforcing member (6) has a second reinforcing member (7) welded to its side. The second reinforcing member (7) has a third reinforcing member (8) fixedly welded to its other side. The third reinforcing member (8) has a reinforcing piece (9) fixedly installed on its side. The reinforcing member has a rear fixed box (10) fixedly installed on its side. The top side of the liquid cooling plate (1) is detachably fitted with a module beam rivet strip (12), and the top of the module beam rivet strip (12) is detachably fitted with a module mounting beam (11) via a second connector; The liquid cooling plate (1) is detachably mounted on the other side of the top via a hexagonal rivet nut (23) with a third bending piece (18). The inner wall of the third bending piece (18) is fixedly welded with a rivet strip (17). The top of the module mounting beam (11) and the top side of the third bending piece (18) are detachably mounted with a module beam gasket (13) via a third connector. The top of the third bending member (18) is detachably mounted with a fixing plate (16) via a fourth connector. The middle of the top of the third bending member (18) is detachably mounted with a second bending member (15) via a fourth connector. The top sides of the second bending member (15) and the third bending member (18) are both detachably mounted with a first bending member (14) via a fourth connector.

2. The water-immersed liquid-cooled battery case as described in claim 1, characterized in that, The first connector includes a press-fit nut (21) post and a cross screw (25), and the cross screw (25) is inserted through the liquid cooling plate (1). The top side of the integral sheet metal part is vertically installed with a press-fit nut post (24), and the bottom of the cross screw (25) is screwed into the press-fit nut post (24) by threads.

3. The water-immersed liquid-cooled battery case as described in claim 1, characterized in that, The second connector includes a rivet nut (19), which is inserted through the module mounting beam (11) and the inside of the side of the third bending member (18).

4. The water-immersed liquid-cooled battery case as described in claim 1, characterized in that, The third connector includes a through-hole rivet nut (20), which is slidably inserted into the module beam gasket (13) and screwed to the inside of the top of the module mounting beam (11) and the inside of the top side of the third bending member (18).

5. The water-immersed liquid-cooled battery case as described in claim 1, characterized in that, The fourth connector includes a round-headed rivet screw (22), and the round-headed rivet screw (22) is inserted through both sides of the top of the second bent part (15). The bottom of the round-headed rivet screw (22) is screwed with a rivet nut (21) by thread.

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