Aluminum profile battery pack for electric automobile

Abstract

The aluminum profile battery pack for the electric automobile comprises a bottom shell, the upper surface of the bottom shell is fixedly connected with a side frame, the upper surface of the side frame is provided with a battery groove, and the left inner side wall and the right inner side wall of the battery groove are fixedly connected with metal aluminum profile protection plates; plastic protection plates are symmetrically arranged on the lower surface of the bottom shell in the front-back direction and fixedly connected with the bottom shell. According to the aluminum profile battery pack for the electric automobile, through the arrangement of the bottom shell, the side frame, the battery jar, the metal aluminum profile protection plate, the plastic protection plate, the metal strip and the storage groove, the bottom shell and the side frame are fixed together, a battery pack block is installed in the battery jar, the metal aluminum profile protection plate protects various cooling liquid pipelines and circuit interfaces connected with the battery pack, and the battery pack block is installed in the storage groove. And the plastic protection plate is light in weight and low in cost, the bottom of the bottom shell is protected, collision is avoided, the high-voltage wiring harness can be installed and connected in the storage groove in the metal strip, and the protection degree and the safety are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery packs, in particular to an aluminum profile battery pack for electric vehicles. Background Art

[0002] my country is in a stage of rapid development of new energy vehicles. New energy vehicles have been put into the market in large quantities. Under the guidance of policies and markets, ordinary people have begun to gradually accept new energy vehicles. Electric vehicles, especially pure electric vehicles, have been widely introduced into the field of mass consumption. Battery packs composed of lithium iron phosphate batteries can be used as battery packs for electric vehicles. Their operating temperature range is generally -20℃-60℃.

[0003] After searching, Chinese patent publication (announcement) No. CN 219321499 U discloses an electric vehicle battery pack profile structure, including a shell. The utility model can cover and protect the first heat dissipation port and the second heat dissipation port by setting a first protective component and a second protective component when the battery pack body does not need to be heat-dissipated, thereby preventing small particles of dust or humid gas in the outside air from passing through the filter and entering the shell when the battery pack body does not need to be heat-dissipated. It can play a certain protective role on the battery pack body installed inside the shell and improve the service life of the battery pack body. However, in actual use, electric vehicles are prone to bumps when running, and a higher safety factor is required for the battery pack. A structure that can improve safety is needed to protect the battery for long-term use and reduce economic losses. Therefore, it is very necessary to design an aluminum profile battery pack for electric vehicles. Utility Model Content

[0004] The main purpose of the present invention is to provide an aluminum profile battery pack for electric vehicles, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] An aluminum profile battery pack for an electric vehicle includes a bottom shell, the upper surface of which is fixedly connected to a side frame, the upper surface of which is provided with a battery slot, and the left and right inner side walls of the battery slot are fixedly connected to a metal aluminum profile guard plate; the lower surface of the bottom shell is symmetrically provided with a plastic guard plate, the plastic guard plate is fixedly connected to the bottom shell, the outer surface of the plastic guard plate is fixedly connected to a metal strip, and the upper surface of the metal strip is provided with a storage slot.

[0007] In order to fully utilize the space under the rear seat of an electric vehicle, the utility model provides an aluminum profile battery pack for an electric vehicle. The upper right surface of the side frame is fixedly connected to a rear seat block, and an additional groove is provided on the upper surface of the rear seat block.

[0008] In order to help cool the battery pack, as an aluminum profile battery pack for electric vehicles of the present invention, the front and rear inner walls of the side frame are symmetrically provided with slots, and the inner walls of the slots are fixedly connected to coolant pipes.

[0009] In order to achieve the purpose of cooling the bottom of the battery, as an aluminum profile battery pack for electric vehicles of the present invention, a liquid cooling plate is fixedly connected to the lower surface of the side frame.

[0010] In order to achieve the purpose of upper protection, as an aluminum profile battery pack for electric vehicles of the present invention, the outer surface of the rear seat block is sleeved with an upper protective shell.

[0011] In order to achieve the purpose of helping to buffer and protect, as an aluminum profile battery pack for electric vehicles of the present invention, a buffer belt is fixedly connected to the upper surface of the upper protective shell.

[0012] In order to achieve the purpose of heat dissipation, as an aluminum profile battery pack for electric vehicles of the present invention, a heat dissipation slot is opened on the upper surface of the upper protective shell.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. In the present invention, the bottom shell and the side frames are fixed together and the battery pack is installed inside the battery slot by arranging the bottom shell, the side frames, the battery slot, the metal aluminum profile guard plate, the plastic guard plate, the metal strip and the storage slot. The metal aluminum profile guard plate protects the various coolant pipes and circuit interfaces connected to the battery pack and protects the key parts exposed to the outside, providing double protection. The plastic guard plate is lightweight and low in cost, and protects the bottom of the bottom shell to avoid bumps. The storage slot in the metal strip can be installed to connect the high-voltage wiring harness, thereby improving protection and safety.

[0015] 2. In the present invention, the rear seat block, additional slot, card slot, coolant pipe and liquid cooling plate are arranged. The coolant pipe inside the card slot is connected to the battery pack to cool it down and extend its service life. The liquid cooling plate contacts the bottom of the battery pack to cool it down and improve the scope of safety protection. The additional slot opened in the rear seat block can increase the battery storage capacity. The shape and size of the rear seat block are adapted to the size and shape of the rear seat of the electric vehicle, making full use of the space area. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the rear seat block structure of an embodiment of the present utility model;

[0018] Figure 3This is a schematic diagram of the plastic guard plate structure of an embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of the upper protective shell structure of an embodiment of the utility model;

[0020] Figure 5 This is a schematic diagram of the side sectional structure of the battery pack according to an embodiment of the present utility model.

[0021] In the figure: 1. Bottom shell; 2. Side frame; 3. Battery slot; 4. Metal aluminum profile guard plate; 5. Plastic guard plate; 6. Metal strip; 7. Storage slot; 8. Rear seat block; 9. Additional slot; 10. Card slot; 11. Coolant pipe; 12. Liquid cooling plate; 13. Upper protective shell; 14. Buffer strip; 15. Heat dissipation gap. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example

[0024] like Figure 1-5 As shown, an aluminum profile battery pack for electric vehicles includes a bottom shell 1, a side frame 2 is fixedly connected to the upper surface of the bottom shell 1, a battery slot 3 is formed on the upper surface of the side frame 2, and a metal aluminum profile guard plate 4 is fixedly connected to the left and right inner side walls of the battery slot 3;

[0025] In this embodiment, plastic guard plates 5 are symmetrically arranged on the front and back of the lower surface of the bottom shell 1. The plastic guard plates 5 are fixedly connected to the bottom shell 1. A metal strip 6 is fixedly connected to the outer surface of the plastic guard plates 5. A storage groove 7 is provided on the upper surface of the metal strip 6.

[0026] During specific use, the bottom shell 1 and the side frame 2 are fixed together, and the battery pack is installed inside the battery slot 3. The metal aluminum profile guard plate 4 protects the various coolant pipes and circuit interfaces connected to the battery pack, and protects the key parts exposed to the outside, providing double protection. The plastic guard plate 5 is lightweight and low in cost, and protects the bottom of the bottom shell 1 to avoid bumps. The storage slot 7 in the metal bar 6 can be installed to connect the high-voltage wiring harness to improve protection and safety.

[0027] In this embodiment, a rear seat block 8 is fixedly connected to the right upper surface of the side frame 2 , and an additional groove 9 is formed on the upper surface of the rear seat block 8 .

[0028] During specific use, the additional slot 9 provided in the rear seat block 8 can increase the battery storage capacity. The shape and size of the rear seat block 8 are adapted to the shape and size of the rear seat of the electric vehicle, making full use of the space.

[0029] In this embodiment, the front and rear inner side walls of the side frame 2 are symmetrically provided with card slots 10 , and the inner side walls of the card slots 10 are fixedly connected to the coolant pipes 11 .

[0030] During specific use, the coolant pipe 11 inside the card slot 10 is connected to the battery pack to reduce the temperature and extend the service life.

[0031] In this embodiment, a liquid cooling plate 12 is fixedly connected to the lower surface of the side frame 2 .

[0032] During specific use, the liquid cooling plate 12 contacts the bottom of the battery pack to cool the bottom and increase the scope of safety protection.

[0033] In this embodiment, an upper protective shell 13 is sleeved on the outer surface of the rear seat block 8 .

[0034] During specific use, the upper protective shell 13 protects the safety and sealing of the internal battery pack to avoid damage caused by bumps.

[0035] In this embodiment, a buffer strip 14 is fixedly connected to the upper surface of the upper protective shell 13 .

[0036] During specific use, the buffer strip 14 can protect the safety of the contact point between the upper protective shell 13 and the electric vehicle, thereby achieving the purpose of buffering protection during driving.

[0037] In this embodiment, a heat dissipation slot 15 is defined on the upper surface of the upper protective shell 13 .

[0038] During specific use, the heat dissipation slots 15 dissipate the heat generated by the battery pack to achieve the purpose of cooling.

[0039] Working principle: During use, the bottom shell 1 and the side frame 2 are fixed together, and the battery pack is installed inside the battery slot 3. The metal aluminum profile guard plate 4 protects the various coolant pipes and circuit interfaces connected to the battery pack, protects the key parts exposed to the outside, and provides double protection. The plastic guard plate 5 is lightweight and low in cost, and protects the bottom of the bottom shell 1 to avoid bumps. The storage slot 7 in the metal bar 6 can be installed to connect the high-voltage wiring harness to improve protection and safety. The additional slot 9 opened in the rear seat block 8 can increase the battery storage capacity. The shape and size of the rear seat block 8 are adapted to the size and shape of the rear seat of the electric vehicle, making full use of the space area. The coolant pipe 11 inside the slot 10 is connected to the battery pack to cool it down and extend its service life. The liquid cooling plate 12 contacts the bottom of the battery pack to cool the bottom and increase the range of safety protection. The buffer belt 14 can protect the safety of the contact between the upper protective shell 13 and the electric vehicle, thereby achieving the purpose of buffering protection during driving.

[0040] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. An aluminum profile battery pack for electric vehicles, comprising a bottom shell (1), characterized in that: The upper surface of the bottom shell (1) is fixedly connected to a side frame (2), the upper surface of the side frame (2) is provided with a battery slot (3), and the left and right inner side walls of the battery slot (3) are fixedly connected to a metal aluminum profile guard plate (4); Plastic guard plates (5) are symmetrically arranged on the front and rear sides of the lower surface of the bottom shell (1), and the plastic guard plates (5) are fixedly connected to the bottom shell (1). A metal strip (6) is fixedly connected to the outer surface of the plastic guard plates (5), and a storage groove (7) is provided on the upper surface of the metal strip (6).

2. The aluminum profile battery pack for electric vehicles according to claim 1, characterized in that: The right upper surface of the side frame (2) is fixedly connected with a rear seat block (8), and the upper surface of the rear seat block (8) is provided with an additional groove (9).

3. The aluminum profile battery pack for electric vehicles according to claim 1, characterized in that: The front and rear inner side walls of the side frame (2) are symmetrically provided with clamping grooves (10), and the inner side walls of the clamping grooves (10) are fixedly connected with cooling liquid pipes (11).

4. The aluminum profile battery pack for electric vehicles according to claim 1, characterized in that: A liquid cooling plate (12) is fixedly connected to the lower surface of the side frame (2).

5. The aluminum profile battery pack for electric vehicles according to claim 2, characterized in that: An upper protective shell (13) is sleeved on the outer surface of the rear seat block (8).

6. The aluminum profile battery pack for electric vehicles according to claim 5, characterized in that: A buffer belt (14) is fixedly connected to the upper surface of the upper protective shell (13).

7. The aluminum profile battery pack for electric vehicles according to claim 5, characterized in that: A heat dissipation slot (15) is provided on the upper surface of the upper protective shell (13).

Images