Assembly structure of rack type lithium battery module

Abstract

The utility model provides an assembly structure of a rack type lithium battery module, which belongs to the field of battery box assembly, and comprises a case, a positioning plate is arranged in the case, the positioning plate is matched with the case, a battery module is arranged in the positioning plate, the battery module is matched with the case, and the battery module is connected with the case. A positioning frame is installed at the top end of the battery module, a front cover is installed at the outer end of the case and located at the front end of the battery module, the front cover is matched with the battery module, a top cover is installed at the top end of the case, and the top cover is matched with the front cover. The failure mode that the battery module loses capacitance due to expansion of the battery module is solved, meanwhile, the functions of shock absorption, isolation and insulation are achieved, a user can conveniently install the battery module through cooperation of the case and the positioning plate, and the functions of shock absorption, isolation and insulation are achieved on the battery module through cooperation of the top cover and the front cover.

Description

Technical Field

[0001] The utility model relates to the field of battery box assembly, in particular to an assembly structure of a rack-type lithium battery module. Background Art

[0002] Lithium battery is a kind of battery that uses lithium metal or lithium alloy as positive / negative electrode material and non-aqueous electrolyte solution. The widely used lithium-ion battery uses carbon material as negative electrode and lithium-containing compound as positive electrode. There is no metallic lithium, only lithium ions. The charging and discharging process of lithium-ion battery is the process of lithium ion embedding and de-embedding. During the charging and discharging process, lithium ions are embedded / de-embedded and inserted / de-inserted back and forth between the positive and negative electrodes, which is vividly called "rocking chair battery". Due to the very active chemical properties of lithium metal, the processing, storage and use of lithium metal have very high environmental requirements. At present, the existing technology of lithium battery assembly mainly fixes the battery module through the bottom card strip, directly assembles it with highland barley paper as a bond at the bottom of the battery, or fills EVA instant noodles between the modules as a material, fixes the battery with fiber tape and puts it into the battery box for assembly.

[0003] However, due to the existing design, the bottom of the battery cell is fixed only by a clip, and the welding point of the clip is only a tiny welding position at the bottom. In special circumstances such as a slight drop, the battery cell may be displaced, resulting in a short circuit, and the battery pack may lose capacity due to cell expansion during use.

[0004] Therefore, it is necessary to provide an assembly structure of a rack-type lithium battery module to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an assembly structure of a rack-type lithium battery module.

[0006] The utility model provides an assembly structure of a rack-type lithium battery module, comprising a chassis, a positioning plate installed inside the chassis, the positioning plate is adapted to the chassis, a battery module is installed inside the positioning plate, the battery module is adapted to the chassis, a positioning frame is installed on the top of the battery module, a front cover is installed on the outer end of the chassis and at the front end of the battery module, the front cover is adapted to the battery module, and a top cover is installed on the top of the chassis, the top cover is adapted to the front cover.

[0007] Preferably, the chassis comprises an outer shell, and a front end of the outer shell is fixedly connected to a plurality of symmetrically distributed front mounting angle plates.

[0008] Preferably, the battery module includes a battery pack, which is installed on the inner wall of the positioning plate and located inside the positioning frame, a circuit board is installed on the front side of the battery pack and at the outer end of the positioning frame, a function control component is installed on the front side of the circuit board and at the inner end of the front cover, and the function control component passes through the front cover.

[0009] Preferably, the positioning frame includes a top frame bar, which is installed at the top of the battery pack and connected to the positioning plate, and the front end of the top frame bar is fixedly connected to a fixing plate, which is installed at the front end of the battery pack and located at the rear end of the circuit board.

[0010] Preferably, a cover plate is installed at the top end of the top frame bar, and the cover plate is adapted to the positioning plate.

[0011] Preferably, the front cover includes a panel, the panel is mounted on the front end of the shell and connected to the front mounting angle plate, the panel is adapted to the function control component, and a plurality of symmetrically distributed handles are fixedly connected to the front end of the panel.

[0012] Compared with the related art, the assembly structure of a rack-type lithium battery module provided by the utility model has the following beneficial effects:

[0013] 1. An assembly structure of a rack-type lithium battery module, which surrounds the battery pack through the top frame bar, the fixing plate and the positioning plate, limits the position of the battery pack, and applies a certain pressure to the battery pack to suppress the expansion of the battery pack. The positioning plate and the positioning frame cooperate to reinforce the position of the battery module to prevent the battery module from shifting and short-circuiting due to micro-falling during the process.

[0014] 2. A rack-mounted lithium battery module assembly structure, which facilitates users to install the battery module through the cooperation of the chassis and the positioning plate, and cooperates with the top cover and the front cover to play the role of shock absorption, isolation and insulation for the battery module. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the overall split structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the battery module and positioning frame installation structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the positioning frame of the utility model.

[0019] Numbers in the figure: 1, chassis; 2, positioning plate; 3, battery module; 4, positioning frame; 5, front cover; 6, top cover; 101, outer shell; 102, front mounting angle plate; 301, battery pack; 302, circuit board; 303, function control component; 401, top frame bar; 402, fixing plate; 403, cover plate; 501, panel; 502, handle. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figures 1 to 4 The utility model provides an assembly structure of a rack-type lithium battery module, including a chassis 1, a positioning plate 2 is installed inside the chassis 1, the positioning plate 2 is adapted to the chassis 1, a battery module 3 is installed inside the positioning plate 2, the battery module 3 is adapted to the chassis 1, a positioning frame 4 is installed on the top of the battery module 3, a front cover 5 is installed at the outer end of the chassis 1 and at the front end of the battery module 3, the front cover 5 is adapted to the battery module 3, and a top cover 6 is installed on the top of the chassis 1, and the top cover 6 is adapted to the front cover 5;

[0022] The chassis 1 cooperates with the positioning plate 2 to facilitate the user to install the battery module 3, and cooperates with the top cover 6 and the front cover 5 to play the role of shock absorption, isolation and insulation for the battery module 3. The positioning plate 2 and the positioning frame 4 cooperate to reinforce the position of the battery module 3 to prevent the battery module 3 from shifting and short-circuiting due to slight drops during the process.

[0023] The chassis 1 comprises a shell 101 , and a front end of the shell 101 is fixedly connected with a plurality of symmetrically distributed front mounting angle plates 102 .

[0024] The battery module 3 includes a battery pack 301, which is mounted on the inner wall of the positioning plate 2 and located inside the positioning frame 4. A circuit board 302 is mounted on the front side of the battery pack 301 and located at the outer end of the positioning frame 4. A function control component 303 is mounted on the front side of the circuit board 302 and located at the inner end of the front cover 5. The function control component 303 passes through the front cover 5.

[0025] The function control component 303 has an external socket, a circuit breaker mounting component, a circuit breaker, a DC output terminal, a communication terminal, a weak current switch and a battery pack circuit breaker switch, which is convenient for subsequent users to connect external devices for use.

[0026] The positioning frame 4 includes a top frame bar 401, which is installed at the top of the battery pack 301 and connected to the positioning plate 2, and a fixing plate 402 is fixedly connected to the front end of the top frame bar 401, and the fixing plate 402 is installed at the front end of the battery pack 301 and located at the rear end of the circuit board 302;

[0027] The top frame bar 401 , the fixing plate 402 and the positioning plate 2 cooperate to surround the battery pack 301 , limit the position of the battery pack 301 , and apply a certain pressure to the battery pack 301 to suppress the expansion of the battery pack 301 .

[0028] A cover plate 403 is installed on the top end of the top frame bar 401 , and the cover plate 403 is matched with the positioning plate 2 .

[0029] The front cover 5 includes a panel 501, which is mounted on the front end of the housing 101 and connected to the front mounting angle plate 102. The panel 501 is adapted to the function control component 303, and a plurality of symmetrically distributed handles 502 are fixedly connected to the front end of the panel 501.

[0030] The panel 501 defines and protects the position of the function control component 303 to prevent it from falling or shifting during use and affecting the connection of external devices. The handle 502 facilitates the user to carry the entire device when transferring the entire device.

[0031] During operation, the positioning frame 4 is connected to the battery module 3, and then the installed positioning frame 4 and the battery module 3 are placed inside the housing 101, and the positioning frame 4 is connected to the positioning plate 2, and then the panel 501 is connected to the battery module 3, and then the top cover 6 is covered, and the top cover 6 is connected to the panel 501, so as to surround the battery group 301 of the battery module 3, wherein the top frame bar 401, the fixing plate 402 and the positioning plate 2 cooperate to surround the battery group 301, and the position of the battery group 301 is The position is limited and a certain pressure is applied to the battery pack 301 to suppress the expansion of the battery pack 301, thereby solving the failure mode of the battery pack 301 losing capacity due to the expansion of the battery pack 301. At the same time, the chassis 1 cooperates with the positioning plate 2 to facilitate the user to install the battery module 3, and cooperates with the top cover 6 and the front cover 5 to play a role in shock absorption, isolation and insulation of the battery module 3. The positioning plate 2 cooperates with the positioning frame 4 to reinforce the position of the battery module 3 to prevent the battery module 3 from shifting and short-circuiting due to a slight drop during the process.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art 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 appended claims and their equivalents.

Claims

1. An assembly structure of a rack-type lithium battery module, characterized in that: The invention comprises a chassis (1), wherein a positioning plate (2) is installed inside the chassis (1), wherein the positioning plate (2) is compatible with the chassis (1), wherein a battery module (3) is installed inside the positioning plate (2), wherein the battery module (3) is compatible with the chassis (1), wherein a positioning frame (4) is installed at the top of the battery module (3), wherein a front cover (5) is installed at the outer end of the chassis (1) and at the front end of the battery module (3), wherein the front cover (5) is compatible with the battery module (3), and wherein a top cover (6) is installed at the top of the chassis (1), wherein the top cover (6) is compatible with the front cover (5).

2. The assembly structure of a rack-type lithium battery module according to claim 1, characterized in that: The chassis (1) comprises a shell (101), and a front end of the shell (101) is fixedly connected to a plurality of symmetrically distributed front mounting angle plates (102).

3. The assembly structure of a rack-type lithium battery module according to claim 1, characterized in that: The battery module (3) comprises a battery pack (301), the battery pack (301) being mounted on the inner wall of the positioning plate (2) and located inside the positioning frame (4), a circuit board (302) being mounted on the front side of the battery pack (301) and located at the outer end of the positioning frame (4), a function control component (303) being mounted on the front side of the circuit board (302) and located at the inner end of the front cover (5), and the function control component (303) passing through the front cover (5).

4. The assembly structure of a rack-type lithium battery module according to claim 1, characterized in that: The positioning frame (4) comprises a top frame bar (401), the top frame bar (401) is installed at the top of the battery pack (301) and is connected to the positioning plate (2), the front end of the top frame bar (401) is fixedly connected to a fixing plate (402), and the fixing plate (402) is installed at the front end of the battery pack (301) and is located at the rear end of the circuit board (302).

5. The assembly structure of a rack-type lithium battery module according to claim 4, characterized in that: A cover plate (403) is installed at the top end of the top frame bar (401), and the cover plate (403) is compatible with the positioning plate (2).

6. The assembly structure of a rack-type lithium battery module according to claim 1, characterized in that: The front cover (5) comprises a panel (501), the panel (501) is mounted on the front end of the housing (101) and connected to the front mounting angle plate (102), the panel (501) is adapted to the function control component (303), and the front end of the panel (501) is fixedly connected with a plurality of symmetrically distributed handles (502).

Images