Energy storage PACK plastic uptake shell

Abstract

The utility model discloses an energy storage PACK plastic uptake shell, which relates to a plastic uptake shell and comprises a shell body, round corners, reinforcing ribs, avoiding grooves, electric appliance connecting holes and electric control connecting positions, the reinforcing ribs are arranged at the bottom and the side edges of the shell body through simulation analysis, the round corners are arranged at the four corners of the shell body, and the avoiding grooves are arranged at the four corners of the shell body. A plurality of electric appliance connecting holes are formed in the flange edge and the side edge electric control connecting positions of the shell body, and a plurality of receding grooves are further formed in the flange edge. The utility model has the advantages of reasonable structural design, lightweight design, convenience and reliability in use, improved safety and strong practicability.

Description

Technical Field

[0001] The utility model relates to a blister shell, in particular to an energy storage PACK blister shell. Background Art

[0002] The battery pack is the power source of new energy vehicles. The battery pack body is composed of a shell covering the battery module. The battery shell plays a key role in the safe operation and protection of the battery module. Its material is required to have corrosion resistance, insulation, resistance to normal temperature and low temperature (-25℃) impact, and flame retardancy. The traditional battery shell adopts sheet metal welding technology, and its finished product is bulky and has poor safety, which seriously affects the weight of the entire battery PACK. In order to improve safety performance and lightweight design, PP flame retardant material is used to perfectly solve the above problems. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model aims to provide an energy storage PACK blister shell with reasonable structural design, lightweight design, convenient and reliable use, improved safety and strong practicality.

[0004] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: an energy storage PACK blister shell, including a shell body, rounded corners, reinforcing ribs, avoidance grooves, electrical connection holes and electrical control connection positions. The bottom and sides of the shell body are provided with reinforcing ribs through simulation analysis, the four corners of the shell body are provided with rounded corners, a plurality of electrical connection holes are provided on the flange edge and the side electrical control connection positions of the shell body, and a plurality of avoidance grooves are also provided on the flange edge.

[0005] Preferably, the shell body is a 3.5 mm thick modified PP plate blister shell.

[0006] Preferably, the sealing tail of the box cover of the shell body adopts a 2-degree draft, the electric control connection position adopts an 8-degree draft, and both sides of the shell body adopt a 0.5-degree draft.

[0007] Beneficial effects of the utility model: The structural design of the utility model is reasonable, and the energy storage box cover shell is made of modified PP flame retardant material with a base material of 3.5mm through thick plate blister forming process. PP flame retardant modified material has the advantages of light density, non-toxic and odorless, easy molding and processing, corrosion resistance, low price and easy recycling and recycling. In order to meet the impact toughness of the battery pack cover, the optimal content of PP toughening agent is required to be 10%. Reinforcing ribs are provided to prevent the box cover from cooling and shrinking after thick plate blister forming, causing outward expansion and deformation, which ultimately brings assembly difficulties. The four corners of the shell are treated with special large fillets to ensure the molding thickness of the four corners of the bottom. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The utility model is described in detail below with reference to the accompanying drawings and specific implementation methods;

[0009] Figure 1 It is a schematic diagram of the structure of the utility model;

[0010] Figure 2 for Figure 1 Another schematic diagram of the orientation. DETAILED DESCRIPTION

[0011] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0012] Reference Figure 1-2 This specific embodiment adopts the following technical scheme: an energy storage PACK blister shell, including a shell body 1, rounded corners 2, reinforcing ribs 3, avoidance grooves 4, electrical connection holes 5 and electric control connection positions 6. The bottom and sides of the shell body 1 are provided with reinforcing ribs 3 through simulation analysis, the four corners of the shell body 1 are provided with rounded corners 2, and multiple electrical connection holes 5 are provided on the flange edge and the side electric control connection position 6 of the shell body 1, and multiple avoidance grooves 4 are also provided on the flange edge.

[0013] It is worth noting that the shell body 1 is a 3.5 mm thick modified PP plate blister shell.

[0014] It is worth noting that there is an explosion-proof valve hole 7 on the other side of the shell body 1.

[0015] In addition, the sealing tail of the housing cover of the housing body 1 adopts a 2-degree draft, the electric control connection position adopts an 8-degree draft, and both sides of the housing body 1 adopt a 0.5-degree draft.

[0016] The energy storage box cover shell of this specific embodiment is made of modified PP flame retardant material with a base material of 3.5mm through thick plate blister process. PP flame retardant modified material has the advantages of light density, non-toxic and tasteless, easy molding and processing, corrosion resistance, low price and easy recycling and recycling. In order to meet the impact toughness of the battery pack cover, the optimal content of PP toughening agent is required to be 10%.

[0017] Since the energy storage box cover shell is generally large, it is easy to expand and deform outward after the thick plate is blister formed. Therefore, reinforcing ribs are provided at the bottom and sides of the shell. The reinforcing ribs are reasonably designed through simulation analysis, which can prevent the box cover from cooling and shrinking after the thick plate is blister formed, causing expansion and deformation, which ultimately leads to assembly difficulties. The tail of the box cover seal adopts 2-degree draft, the electric control connection position adopts 8-degree draft, and the two sides adopt 0.5-degree draft. In order to ensure the molding thickness of the four corners of the bottom, the four corners of the shell are treated with special large fillets. The flange edge and the electric control connection position are provided with electrical connection holes and avoidance holes, and the side is provided with explosion-proof valve connection holes.

[0018] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An energy storage PACK blister shell, characterized in that: The invention comprises a shell body (1), rounded corners (2), reinforcing ribs (3), avoidance grooves (4), electrical connection holes (5) and electrical control connection positions (6); the bottom and sides of the shell body (1) are provided with reinforcing ribs (3) through simulation analysis; the four corners of the shell body (1) are provided with rounded corners (2); a plurality of electrical connection holes (5) are provided on the flange side of the shell body (1) and the side electrical control connection positions (6); and a plurality of avoidance grooves (4) are also provided on the flange side.

2. The energy storage PACK blister shell according to claim 1, characterized in that: The shell body (1) is a 3.5 mm thick modified PP plate blister shell.

3. The energy storage PACK blister shell according to claim 1, characterized in that: The other side of the housing body (1) is also provided with an explosion-proof valve hole (7).

4. The energy storage PACK blister shell according to claim 1, characterized in that: The box cover sealing tail of the shell body (1) adopts a 2-degree draft, the electric control connection position adopts an 8-degree draft, and the two sides of the shell body (1) adopt a 0.5-degree draft.

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