Grid structure for storage battery

Abstract

The grid structure comprises a frame body, a pole lug is fixedly connected to the top end of one side of the frame body, main ribs are evenly and fixedly connected to the interior of the frame body at equal intervals, a honeycomb plate is fixedly connected to one side of the interior of each main rib, cooling fins are evenly and fixedly connected to one side of each honeycomb plate at equal intervals, and the cooling fins are fixedly connected to the other side of each honeycomb plate at equal intervals. And a material layer is arranged in the frame body. The plurality of groups of main ribs and reinforcing ribs are distributed in the frame body in a staggered manner, so that the overall framework strength of the frame body can be ensured, meanwhile, the honeycomb plates are arranged in the main ribs and the reinforcing ribs, the honeycomb structure in the honeycomb plates effectively disperses stress while improving the stability, and the graphite is filled in the honeycomb plates, so that the service life of the honeycomb plates is prolonged. And meanwhile, the copper metal nanoparticles are coated outside, so that the electrical conductivity and heat conduction effects of the grid plate are remarkably improved while the space of the grid structure is fully utilized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery grid, concretely to a grid structure for storage battery. BACKGROUND

[0002] The grid structure of the storage battery is composed of a metal grid frame and active material. It plays a supporting and conducting role. The grid is usually in a grid or strip structure, which can not only increase the surface area to improve the performance of the battery, but also reduce the weight. The grid structure can enhance the durability and service life of the storage battery and is widely used in the field of automotive batteries.

[0003] However, the conventional grid structure is single, and the conventional structure distribution cannot effectively ensure the use strength and overall service life of the grid. At the same time, the internal space of the grid structure cannot be fully and effectively utilized, resulting in waste of materials and increase of battery energy loss, which is not conducive to the long-term stable use of the grid structure. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a grid structure for storage battery to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a grid structure for storage battery, comprising a frame, a tab is fixedly connected to the top of one side of the frame, main reinforcement is fixedly connected to the inside of the frame at equal intervals, a honeycomb plate is fixedly connected to one side of the inside of the main reinforcement, heat dissipation fins are fixedly connected to one side of the honeycomb plate at equal intervals, and a material layer is arranged in the inside of the frame.

[0006] Preferably, the main reinforcement is fixedly connected to the reinforcing rib at equal intervals on one side, and the main reinforcement and the reinforcing rib are made of carbon fiber reinforced composite material.

[0007] Preferably, the inside of the honeycomb plate is filled with a filling layer, the honeycomb plate is made of carbon nanotube material, and the filling layer is made of graphite material.

[0008] Preferably, the outside of the honeycomb plate is coated with copper metal nanoparticles.

[0009] Preferably, the material layer comprises a protective layer arranged at the middle position in the inside of the frame, an enhanced layer is arranged on the outside of the protective layer, and a support layer is arranged on the outside of the enhanced layer.

[0010] Preferably, the protective layer is made of lead-plated alloy material, the enhanced layer is made of nickel-based alloy, and the support layer is made of carbon fiber reinforced composite material.

[0011] Preferably, the protective layer and the enhanced layer are connected by conductive brazing, and the enhanced layer and the support layer are adhered by conductive adhesive.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The plate grid structure for storage battery, through setting up multiple groups of main reinforcement and reinforcing bars staggered distribution in the frame body, can guarantee the overall framework strength of the frame body, and the inside of the main reinforcement and reinforcing bars is provided with honeycomb plate, the honeycomb structure in the honeycomb plate improves stability while effectively dispersing stress, and the inside of the honeycomb plate is filled with graphite, and the outside is coated with copper metal nanoparticles, fully utilizing the space of the plate grid structure while significantly improving the conductivity and heat conduction effect of the grid plate, improving the stability of the plate grid structure for long time use;

[0014] 2. The plate grid structure for storage battery, through setting up multiple layers of materials such as protective layer, reinforcing layer and support layer in the frame body, the support layer guarantees the strength of the outside of the frame body while the inside is provided with protective layer and reinforcing layer, and the inside of the frame body is provided with protective layer which can effectively resist the corrosion of battery electrolyte, and the reinforcing layer is arranged at the intermediate position of the protective layer and the support layer to enhance conductivity and oxidation resistance, by combining the advantages of different materials inside the frame body, the performance complementation between different levels can be realized, so as to improve the function of the overall plate grid. BRIEF DESCRIPTION OF DRAWINGS

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

[0016] Figure 2 It is the utility model Figure 1 The enlarged structure schematic diagram of A place in the utility model;

[0017] Figure 3 It is the rear view structure schematic diagram of the utility model;

[0018] Figure 4 It is the utility model Figure 3 The enlarged structure schematic diagram of B place in the utility model.

[0019] In the drawing: 1, frame body;101, pole lug;2, main reinforcement;201, reinforcing bar;3, honeycomb plate;301, filling layer;4, fin;5, material layer;501, protective layer;502, reinforcing layer;503, support layer. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides two technical schemes:

[0022] Embodiment one, a kind of plate grid structure for battery, including frame 1, the top end of one side of frame 1 is fixedly connected with tab 101, the inside of frame 1 is uniformly fixedly connected with main reinforcement 2, the inside of main reinforcement 2 is fixedly connected with honeycomb plate 3 on one side, honeycomb plate 3 one side is uniformly fixedly connected with fin 4, the inside of frame 1 is provided with material layer 5, fin 4 is distributed in the one side of honeycomb plate 3, using aluminum alloy material, enhance heat conduction performance, ensure that battery temperature is evenly distributed.

[0023] Main reinforcement 2 one side is uniformly fixedly connected with reinforcing rib 201, main reinforcement 2 and reinforcing rib 201 all adopt carbon fiber reinforced composite material, by the staggered distribution of main reinforcement 2 and reinforcing rib 201, the overall strength of plate grid structure can be increased.

[0024] The inside of honeycomb plate 3 is filled with filling layer 301, honeycomb plate 3 adopts carbon nanotube material, filling layer 301 adopts graphite material, honeycomb plate 3 has good conductivity, and filling layer 301 in the honeycomb cell inside honeycomb plate 3 can further enhance thermal conductivity.

[0025] The outside of honeycomb plate 3 is coated with copper metal nanoparticles, by electrochemical deposition technology, copper metal nanoparticles are evenly covered on the surface of honeycomb grid, can significantly improve the conductivity of grid plate.

[0026] Embodiment two, the main difference from embodiment one is:

[0027] A kind of plate grid structure for battery, material layer 5 includes the protective layer 501 of the inside middle position setting of frame 1, the outside of protective layer 501 is provided with enhancement layer 502, the outside of enhancement layer 502 is provided with support layer 503.

[0028] Protective layer 501 adopts lead-plated alloy material, can effectively resist the corrosion of battery electrolyte, and optimizes the electrochemical reaction process of battery.

[0029] Enhancement layer 502 adopts nickel-based alloy, enhances conductivity and oxidation resistance, facilitates the dispersion of battery heat.

[0030] Support layer 503 adopts carbon fiber reinforced composite material, light weight, corrosion resistant, at the same time, reduce the overall weight of battery and plate grid.

[0031] Protective layer 501 and enhancement layer 502 are connected by conductive brazing, ensure that frame 1 is resistant to electrolyte corrosion as a whole, and have excellent conductivity.

[0032] The reinforcing layer 502 and the supporting layer 503 are adhered by conductive glue, and the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0033] In use, the plurality of main ribs 2 and the reinforcing ribs 201 can reinforce the whole of the plate grid structure, the honeycomb plate 3 inside the main ribs 2 and the reinforcing ribs 201 adopts a honeycomb structure to further improve the stability of the plate grid, the filling layer 301 inside the honeycomb plate 3 can increase the conductive effect of the plate grid, and the plurality of heat dissipation fins 4 on one side of the filling layer 301 can quickly dissipate heat to ensure that the temperature of the battery is uniformly distributed.

[0034] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A grid structure for a storage battery, comprising a frame (1), characterized in that: A tab (101) is fixedly connected to the top of one side of the frame (1). Main ribs (2) are fixedly connected at equal intervals inside the frame (1). A honeycomb plate (3) is fixedly connected to one side of the main rib (2). A heat sink (4) is fixedly connected to one side of the honeycomb plate (3). A material layer (5) is provided inside the frame (1).

2. The grid structure for a storage battery according to claim 1, characterized in that: One side of the main rib (2) is uniformly and evenly fixed with reinforcing ribs (201), and both the main rib (2) and the reinforcing ribs (201) are made of carbon fiber reinforced composite material.

3. The grid structure for a storage battery according to claim 1, characterized in that: The honeycomb panel (3) is filled with a filling layer (301). The honeycomb panel (3) is made of carbon nanotube material, and the filling layer (301) is made of graphite material.

4. The grid structure for a storage battery according to claim 1, characterized in that: The outside of the honeycomb panel (3) is coated with copper metal nanoparticles.

5. The grid structure for a storage battery according to claim 1, characterized in that: The material layer (5) includes a protective layer (501) disposed in the middle of the frame (1), an reinforcing layer (502) disposed outside the protective layer (501), and a supporting layer (503) disposed outside the reinforcing layer (502).

6. The grid structure for a storage battery according to claim 5, characterized in that: The protective layer (501) is made of lead-plated alloy, the reinforcing layer (502) is made of nickel-based alloy, and the support layer (503) is made of carbon fiber reinforced composite material.

7. The grid structure for a storage battery according to claim 5, characterized in that: The protective layer (501) and the reinforcing layer (502) are connected by conductive brazing, and the reinforcing layer (502) and the support layer (503) are bonded by conductive adhesive.

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