Frame of battery pack

Abstract

The utility model discloses a framework of a battery pack, which comprises a main body frame, fixed handles are fixed on two sides of the main body frame, a first limiting piece is fixed at the upper end of each fixed handle through a first fixed bolt group, a second fixed bolt group is arranged in the main body frame, a second limiting piece is connected onto the second fixed bolt group, and the second limiting piece is connected with a first limiting piece. An upper fixing cover is connected to the lower side of the first limiting piece and the lower side of the second limiting piece, a battery pack is connected to the lower portion of the upper fixing cover, a lower fixing cover is connected to the lower portion of the battery pack, and third fixing bolt sets are installed at the two ends of the lower fixing cover and the two ends of the upper fixing cover. According to the frame of the battery pack, the radiating fins are arranged between the upper fixing cover and the lower fixing cover, and the external connecting plates and the lining sheets are arranged on the radiating fins, so that the whole frame is hollow, a stable radiating space can exist between the battery packs, and meanwhile, the external connecting plates and the lining sheets can also exchange heat, so that heat between the battery packs can be quickly taken away, and the service life of the battery pack is prolonged. And an effective cooling effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy technology field, concretely is the frame of battery pack. BACKGROUND

[0002] Battery pack usually refers to a plurality of single batteries through series or parallel mode, combine into a system that can store and release energy. At present, the composition of battery pack is usually to arrange single battery unit in the frame for array fixing, then the battery arranged in array is integrated together through series or parallel mode, in the current energy storage field, battery pack is widely used in various energy storage systems.

[0003] At present, the conventional composition of battery pack is mostly to fix battery unit directly through frame, and due to the integrated setting of battery unit on the frame, a large amount of heat cannot be effectively dissipated, leading to the sharp temperature rise of battery pack as a whole, which affects the normal work of battery, therefore, the frame of battery pack is provided to solve the problems in the above. UTILITY MODEL CONTENT

[0004] The utility model discloses a frame of battery pack to solve the poor heat dissipation effect of the current battery pack as proposed in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: the frame of battery pack, including main body frame, both sides of the main body frame are fixed with fixed handle, the upper end of the fixed handle is fixed with first limit piece through first fixed bolt group, install second fixed bolt group in the main body frame, the second fixed bolt group is connected with second limit piece, the lower side of first limit piece and second limit piece is connected with upper fixed cover, the lower fixed cover is connected with battery pack below the upper fixed cover, the lower fixed cover and upper fixed cover upper two ends install third fixed bolt group, the battery pack is connected with fin between, the upper and lower ends of fin are connected with lower fixed cover and upper fixed cover.

[0006] Preferably, the fixed handle is integrally arranged with the main body frame, the first limit piece is detachably connected between the fixed handle and the first fixed bolt group, and the outer side of the first limit piece is flush with the outer side of the fixed handle.

[0007] Preferably, the upper fixed cover and the lower fixed cover form a single group of battery pack through the third fixed bolt group, and the single group of battery pack is fixed in the main body frame through the first limit piece and the second limit piece.

[0008] Preferably, the bottom surface of the main body frame is hollow, and the bolt head of the second fixed bolt group is embeddedly connected in the bottom surface of the main body frame.

[0009] Preferably, the upper fixing cover and the lower fixing cover are both provided with a through opening, and a hollow connector is fixed outside the through opening and is embeddedly connected in the end of the heat dissipation fin.

[0010] Preferably, the heat dissipation fin comprises an outer plate and an inner lining, the inner lining is fixed inside the outer plate, and the outer plate and the inner lining are both provided with a through hole structure.

[0011] Preferably, the upper fixing cover and the lower fixing cover are both provided with a positioning groove, and a battery pack is embeddedly connected in the positioning groove.

[0012] Compared with the prior art, the battery pack has the beneficial effects that:

[0013] (1) The frame of the battery pack is provided with a first fixing bolt group, a first limiting piece, a second limiting piece and a second fixing bolt group, so that the battery pack can be grouped and disassembled, which improves the disassembly efficiency of the battery and ensures the stable use state of the battery pack as a whole;

[0014] (2) The frame of the battery pack is provided with an upper fixing cover, a lower fixing cover and a third fixing bolt group on the battery pack, so that the battery pack can be integrated, which facilitates subsequent quick disassembly, and the upper fixing cover and the lower fixing cover are provided with a heat dissipation fin, and the heat dissipation fin is provided with an outer plate and an inner lining, and the whole forms a hollow shape, so that stable heat dissipation spaces exist between the battery packs, and the outer plate and the inner lining can also exchange heat, so as to quickly take away the heat between the battery packs and achieve effective cooling effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a main body frame structure schematic view of the utility model;

[0017] Figure 3 It is a single battery pack structure schematic view of the utility model;

[0018] Figure 4 It is a lower fixing cover and heat dissipation fin connecting structure schematic view of the utility model;

[0019] Figure 5 It is a heat dissipation fin cross section structure schematic view of the utility model;

[0020] Figure 6 It is an upper fixing cover, lower fixing cover and heat dissipation fin side cross section structure schematic view of the utility model;

[0021] Figure 7 It is a side view structure schematic view of the utility model.

[0022] In the figure: 1, main frame; 2, fixed handle; 3, first fixed bolt group; 4, first limiting piece; 5, second limiting piece; 6, second fixed bolt group; 7, upper fixed cover; 8, lower fixed cover; 9, third fixed bolt group; 10, battery pack; 11, through hole; 12, cooling fin; 1201, external plate; 1202, inner lining piece; 13, connecting head; 14, positioning groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer to Figures 1-7 The utility model provides technical scheme: the frame of battery pack, including main frame 1, both sides of main frame 1 are fixed with fixed handle 2, the upper end of fixed handle 2 is fixed with first limiting piece 4 through first fixed bolt group 3, the inside installation of main frame 1 has second fixed bolt group 6, and second limiting piece 5 is connected on second fixed bolt group 6.

[0025] Further, fixed handle 2 is integrally arranged with main frame 1, main frame 1 is lifted by fixed handle 2, convenient to use, first limiting piece 4 is detachably connected between first fixed bolt group 3 and fixed handle 2, both ensure the stable working state of first limiting piece 4 and facilitate the disassembly of battery pack 10, and the outside edge of first limiting piece 4 is flush with the outside of fixed handle 2, to reduce the adverse effects of first limiting piece 4.

[0026] Further, the bottom surface of main frame 1 is hollow, to ensure normal ventilation and improve the heat dissipation effect, and the bolt head of second fixed bolt group 6 is embeddedly connected in the bottom surface of main frame 1, to hide the bolt head of second fixed bolt group 6 and ensure the stable placement of main frame 1.

[0027] First limiting piece 4 and second limiting piece 5 are connected with upper fixed cover 7 below, battery pack 10 is connected below upper fixed cover 7, lower fixed cover 8 is connected below battery pack 10, and third fixed bolt group 9 is installed on the upper two ends of lower fixed cover 8 and upper fixed cover 7.

[0028] Further, upper fixed cover 7 and lower fixed cover 8 form a single group by third fixed bolt group 9, to facilitate the subsequent disassembly of battery pack 10, and the single group of battery pack 10 is fixed in main frame 1 by first limiting piece 4 and second limiting piece 5, and the third fixed bolt group 9 on the two sides of single group of battery pack 10 protrudes outside main frame 1, to ensure the stable overall state.

[0029] Further, the upper fixing cover 7 and the lower fixing cover 8 are both provided with positioning grooves 14, and the battery pack 10 is embeddedly connected in the positioning grooves 14, so as to ensure the stable working state of the battery pack 10.

[0030] The battery pack 10 is connected with the radiating fins 12, and the upper and lower ends of the radiating fins 12 are connected with the lower fixing cover 8 and the upper fixing cover 7.

[0031] Further, the upper fixing cover 7 and the lower fixing cover 8 are both provided with through openings 11, and the hollow connecting heads 13 are fixed outside the through openings 11, and the connecting heads 13 are embeddedly connected in the end heads of the radiating fins 12, so as to ensure the stable connection state of the radiating fins 12 with the upper fixing cover 7 and the lower fixing cover 8, and also to facilitate the direct communication between the inside of the radiating fins 12 and the outside, and improve the radiating working effect.

[0032] Further, the radiating fins 12 include outer connecting plates 1201 and inner lining plates 1202, the inner lining plates 1202 are fixed inside the outer connecting plates 1201, and the through hole structures are formed in the outer connecting plates 1201 and the inner lining plates 1202, so as to improve the ventilation effect, and the outer connecting plates 1201 and the inner lining plates 1202 can also contact the battery pack 10 for heat exchange, so as to improve the radiating working efficiency.

[0033] Working principle: when the frame of the battery pack is used, firstly, the single battery pack 10 needs to be assembled, and the battery pack 10 is first arranged between the upper fixing cover 7 and the lower fixing cover 8, and the positioning grooves 14 formed in the upper fixing cover 7 and the lower fixing cover 8 can ensure the stable connection state of the battery pack 10;

[0034] Meanwhile, the radiating fins 12 are installed between the upper fixing cover 7 and the lower fixing cover 8, the position of the radiating fins 12 is between the battery packs 10, the connecting heads 13 on the upper fixing cover 7 and the lower fixing cover 8 are inserted into the two ends of the radiating fins 12, so as to ensure the stable connection state between the radiating fins 12 and the upper fixing cover 7 and the lower fixing cover 8, and the inside of the radiating fins 12 is communicated with the outside of the upper fixing cover 7 and the lower fixing cover 8 through the connecting heads 13 and the through openings 11, so as to improve the radiating efficiency, and then the upper fixing cover 7 and the lower fixing cover 8 can be fixed with the battery pack 10 through the third fixing bolt group 9, so as to form the single battery pack 10;

[0035] Then, the single battery pack 10 is arranged on the main body frame 1, the first limiting plate 4 is fixed on the fixed handle 2 through the first fixing bolt group 3, and the second limiting plate 5 is fixed between the single battery packs 10 through the second fixing bolt group 6, so that the single battery pack 10 can be integrated and fixed on the main body frame 1 through the first limiting plate 4 and the second limiting plate 5, and finally the use of the battery pack 10 is completed in a parallel or series manner.

[0036] A large amount of heat is generated during the operation of the battery pack 10, and due to the presence of the heat dissipation fins 12, stable heat dissipation spaces are ensured between the battery packs 10, and the heat dissipation fins 12 also have heat exchange effects when in contact with the battery packs 10.

[0037] The above is the use process of the frame of the battery pack, and the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0038] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A battery pack frame, including a main frame (1), characterized in that: The main frame (1) is fixed with a fixing handle (2) on both sides. The upper end of the fixing handle (2) is fixed with a first limiting piece (4) through a first fixing bolt group (3). A second fixing bolt group (6) is installed inside the main frame (1). A second limiting piece (5) is connected to the second fixing bolt group (6). The first limiting piece (4) and the second limiting piece (5) are connected to an upper fixing cover (7) on their lower sides. A battery pack (10) is connected below the upper fixing cover (7). A lower fixing cover (8) is connected below the battery pack (10). A third fixing bolt group (9) is installed at both ends of the lower fixing cover (8) and the upper fixing cover (7). A heat sink (12) is connected between the battery packs (10). The upper and lower ends of the heat sink (12) are connected to the lower fixing cover (8) and the upper fixing cover (7).

2. The battery pack frame according to claim 1, characterized in that: The fixed handle (2) is integrated with the main frame (1). The first limiting piece (4) is detachably connected to the fixed handle (2) through the first fixing bolt group (3). The outer side of the first limiting piece (4) is flush with the outer side of the fixed handle (2).

3. The battery pack frame according to claim 1, characterized in that: The upper fixing cover (7) and the lower fixing cover (8) form a battery pack (10) into a single group by the third fixing bolt group (9). The single battery pack (10) is fixed in the main frame (1) by the first limiting piece (4) and the second limiting piece (5).

4. The battery pack frame according to claim 1, characterized in that: The bottom surface of the main frame (1) is hollowed out, and the bolt heads of the second fixing bolt group (6) are embedded in the bottom surface of the main frame (1).

5. The battery pack frame according to claim 1, characterized in that: Both the upper fixed cover (7) and the lower fixed cover (8) are provided with openings (11), and hollow connectors (13) are fixed on the outside of the openings (11). The connectors (13) are embedded in the end of the heat sink (12).

6. The battery pack frame according to claim 1, characterized in that: The heat sink (12) includes an outer plate (1201) and an inner liner (1202). The inner liner (1202) is fixed inside the outer plate (1201). Both the outer plate (1201) and the inner liner (1202) have through holes.

7. The battery pack frame according to claim 1, characterized in that: Both the upper fixing cover (7) and the lower fixing cover (8) are provided with positioning grooves (14), and a battery pack (10) is embedded in the positioning grooves (14).

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