CN218448083U

CN218448083U - Battery pack of electric automobile

Info

Publication number: CN218448083U
Application number: CN202220245926.7U
Authority: CN
Inventors: 刘高钦
Original assignee: Teco Precision Parts Pinghu Co ltd
Current assignee: Teco Precision Parts Pinghu Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2023-02-03
Anticipated expiration: 2032-01-27

Abstract

The utility model provides an electric automobile battery pack belongs to new forms of energy battery technical field, including the bottom plate, fixedly connected with protection casing on the bottom plate upper surface, protection casing upper end and external intercommunication have placed a plurality of groups group battery on the bottom plate upper surface, and the protection casing cover is established around the group battery, installs an apron on the protection casing upper surface, has all seted up the mounting hole on the protection casing lateral wall all around, fixedly connected with exhaust fan on the mounting hole inner wall, the utility model has the advantages of made things convenient for the operator to dispel the heat to the group battery, improved the life of battery.

Description

Battery pack of electric automobile

Technical Field

The utility model belongs to the technical field of the new forms of energy battery, especially an electric automobile battery pack.

Background

At present, energy shortage has become a worldwide problem, and in order to alleviate the problem of oil resource shortage, the development of new energy automobiles replacing traditional fuel vehicles has been reached to an unabated stage, and at present, all countries have gained certain performance in the development of new energy automobiles, and the new energy automobiles can be used as power energy sources including solar energy, hydrogen fuel, wind energy and the like, wherein the lithium ion batteries which are most concerned by people and have the widest application range are lithium ion batteries.

Lithium ion battery takes place thermal runaway more easily than primary battery, reach certain critical point when the inside reaction rate of battery, thereby the heat that the inside reaction of battery produced surpasss the heat that can distribute away and lead to the increase of the inside reaction rate of battery and produce the heat increase, chinese patent discloses a battery box that prevents that lithium ion battery thermal runaway for electric motor car from stretching, its publication number is (CN 205752329U), this patent technology can prevent effectively when lithium ion battery thermal runaway, the temperature risees, it leads to the trouble that takes place of other batteries to stretch to influence the use to take place, however, the device can only control and place the battery and influence the use, do not have direct effectual method to dispel the heat when inside high temperature. Accordingly, one skilled in the art provides a battery pack for an electric vehicle to solve the problems set forth in the background art.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided an electric automobile battery pack, had and made things convenient for the operator to dispel the heat to the group battery, improved the life's of battery characteristics.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides an electric automobile battery pack, includes the bottom plate, fixedly connected with protection casing on the bottom plate upper surface, and a plurality of groups group battery have been placed with external intercommunication to protection casing upper end on the bottom plate upper surface, and the protection casing cover is established around the group battery, installs an apron on the protection casing upper surface, has all seted up the mounting hole on the protection casing lateral wall all around, fixedly connected with exhaust fan on the mounting hole inner wall.

Further, be equipped with a connecting piece between exhaust fan and the mounting hole inner wall, the connecting piece is including seting up spread groove on the mounting hole inner wall, the go-between of fixed connection on the exhaust fan lateral wall and the connecting bolt of threaded connection on the spread groove inner wall, connecting bolt's bolt head supports tightly on the go-between.

Furthermore, the inner wall of the periphery of the protective cover is fixedly connected with a guide plate, and the guide plate is arranged in an arc shape.

Further, equal two deflectors of fixedly connected with on the inner wall all around of protection casing, set up about two deflectors on the same side inner wall are, and the orientation of two deflectors is opposite, shelters from both sides about the mounting hole with two deflectors on the same side inner wall.

Furthermore, four arc plates with arc-shaped cross sections are fixedly connected to the lower surface of the cover plate, the four arc plates are distributed in a rectangular shape, and the arc plates are arranged towards the battery pack.

Further, be equipped with a coupling mechanism between apron and the protection casing, coupling mechanism is including offering connecting hole on the apron, fixed connection connecting rod and the coupling nut of threaded connection at connecting rod one end on the protection casing upper surface, connecting rod sliding connection is in the connecting hole, coupling nut supports tightly on the apron upper surface.

Further, a plurality of horizontal poles of fixedly connected with along bottom plate length direction interval is even on the bottom plate, a plurality of montants of fixedly connected with along bottom plate width direction interval is even on the bottom plate, montant and horizontal pole are perpendicular setting, montant upper surface and horizontal pole upper surface are on same horizontal plane, the group battery is installed on montant and horizontal pole upper surface.

Compared with the prior art, the utility model has the advantages of it is following:

1. the utility model discloses a set up the mounting hole on the protective housing, install the exhaust fan in the mounting hole, blow in the air through the exhaust fan toward the protection casing in, through such setting, simple structure, convenient operation has made things convenient for the operator to dispel the heat to the group battery, has improved the life of battery.

2. The utility model discloses a apron passes through connecting hole sliding connection on the connecting rod, screws up coupling nut, and coupling nut supports tightly on the apron on the surface, through such setting, simple structure, convenient operation has made things convenient for the operator to the installation and the dismantlement of apron.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure, 1, a bottom plate; 2. a protective cover; 3. a battery pack; 4. a cover plate; 5. mounting holes; 6. an exhaust fan; 7. a connecting member; 8. connecting grooves; 9. a connecting ring; 10. a connecting bolt; 11. a guide plate; 12. a circular arc plate; 13. a connecting mechanism; 14. connecting holes; 15. A connecting rod; 16. a connecting nut; 17. a cross bar; 18. a vertical rod.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, an electric vehicle battery pack, including bottom plate 1, a protection casing 2 of fixedly connected with on bottom plate 1, install an apron 4 on protection casing 2 upper surface, a plurality of horizontal poles 17 of fixedly connected with along bottom plate 1 length direction interval is even on bottom plate 1 upper surface, a plurality of montants 18 of fixedly connected with along bottom plate 1 width direction interval is even on bottom plate 1 upper surface, horizontal pole 17 and montant 18 are perpendicular setting and the upper surface of horizontal pole 17 and the upper surface of montant 18 are on same horizontal plane, install a plurality of group battery 3 on horizontal pole 17 and montant 18 upper surface.

As shown in fig. 1, for better heat dissipation of the battery pack 3, a mounting hole 5 is formed in the peripheral side wall of the protective cover 2, the mounting hole 5 is rectangular, a row of fans 6 are mounted on the inner wall of the mounting hole 5, in order to facilitate the mounting and dismounting of the fans 6 by an operator, a connecting piece 7 is arranged between the fans 6 and the inner wall of the mounting hole 5, the connecting piece 7 includes a connecting groove 8, a connecting ring 9 and a connecting bolt 10, the connecting groove 8 is formed in the inner wall of the mounting hole 5, one side of the connecting groove 8 is communicated with the outer wall of the protective cover 2, the connecting ring 9 is fixedly connected to the outer wall of the fans 6, the fans 6 are slidably connected to the connecting groove 8 through the connecting ring 9, the connecting bolt 10 is threadedly connected to the inner wall of the connecting groove 8, and the bolt head of the connecting bolt 10 abuts against the connecting ring 9.

As shown in fig. 1, two deflectors 11 of equal fixedly connected with on the inner wall all around of protection casing 2, the cross-section of deflector 11 is circular-arc setting, and two deflectors 11 shelter from the upper and lower both sides at mounting hole 5 respectively, and the one end that keeps away from protection casing 2 inner wall with the deflector 11 that leans on in two deflectors 11 on the same side inner wall extends up, and the one end that keeps away from protection casing 2 inner wall with the deflector 11 that leans on down in two deflectors 11 on the same side inner wall extends down.

As shown in fig. 1, four arc plates 12 are fixedly connected to the lower surface of the cover plate 4, the arc plates 12 are disposed in an arc shape in cross section, the four arc plates 12 are arranged in a rectangular shape, and the arc plates 12 are disposed toward the battery pack 3, in order to guide the wind more favorably.

As shown in fig. 1, in order to facilitate the installation and removal of the cover plate 4 by an operator, a connection mechanism 13 is disposed between the cover plate 4 and the shield 2, the connection mechanism 13 includes a connection rod 15, a connection hole 14 and a connection nut 16, the connection hole 14 is opened on the cover plate 4, the connection rod 15 is fixedly connected to the upper surface of the shield 2, the connection rod 15 is slidably connected in the connection hole 14, the connection nut 16 is screwed on the outer wall of the connection rod 15, and the lower surface of the connection nut 16 abuts against the upper surface of the cover plate 4.

The embodiment of the utility model provides a theory of operation: when the battery pack 3 needs to be cooled, the exhaust fan 6 is powered on, and the exhaust fan 6 blows air into the protective cover 2 to cool the battery pack 3; the exhaust fan 6 is connected in the connecting groove 8 in a sliding way through a connecting ring 9, and a connecting bolt 10 is screwed down; the cover plate 4 is slidably connected to the connecting rod 15 through the connecting hole 14, and the connecting nut 16 is tightened, so that the connecting nut 16 abuts against the upper surface of the cover plate 4.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although 1, the bottom plate is used more herein; 2. a protective cover; 3. a battery pack; 4. a cover plate; 5. mounting holes; 6. an exhaust fan; 7. a connecting member; 8. connecting grooves; 9. a connecting ring; 10. a connecting bolt; 11. a guide plate; 12. a circular arc plate; 13. a connecting mechanism; 14. Connecting holes; 15. a connecting rod; 16. a connecting nut; 17. a cross bar; 18. vertical bars, etc., but do not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides an electric automobile battery pack, a serial communication port, including bottom plate (1), fixedly connected with protection casing (2) on bottom plate (1) upper surface, protection casing (2) upper end and external intercommunication, a plurality of groups group battery (3) have been placed on bottom plate (1) upper surface, protection casing (2) cover is established around group battery (3), install an apron (4) on protection casing (2) upper surface, mounting hole (5) have all been seted up on protection casing (2) lateral wall all around, fixedly connected with exhaust fan (6) on mounting hole (5) inner wall.

2. The battery pack of claim 1, wherein a connecting piece (7) is arranged between the exhaust fan (6) and the inner wall of the mounting hole (5), the connecting piece (7) comprises a connecting groove (8) formed in the inner wall of the mounting hole (5), a connecting ring (9) fixedly connected to the side wall of the exhaust fan (6) and a connecting bolt (10) in threaded connection with the inner wall of the connecting groove (8), and the bolt head of the connecting bolt (10) abuts against the connecting ring (9).

3. The battery pack of claim 1, wherein a guide plate (11) is fixedly connected to the inner wall of the periphery of the protective cover (2), and the guide plate (11) is arc-shaped.

4. The battery pack of claim 3, wherein the two guide plates (11) are fixedly connected to the inner wall of the protection cover, the two guide plates (11) on the inner wall of the same side are arranged up and down, the two guide plates (11) face opposite directions, and the two guide plates (11) on the inner wall of the same side shield the upper and lower sides of the mounting hole (5).

5. The battery pack of claim 4, wherein four circular arc plates (12) with circular arc-shaped cross sections are fixedly connected to the lower surface of the cover plate (4), the four circular arc plates (12) are distributed in a rectangular shape, and the circular arc plates (12) are arranged towards the battery pack (3).

6. The battery pack for the electric vehicle as claimed in claim 1, wherein a connecting mechanism (13) is arranged between the cover plate (4) and the protective cover, the connecting mechanism (13) comprises a connecting hole (14) formed in the cover plate (4), a connecting rod (15) fixedly connected to the upper surface of the protective cover, and a connecting nut (16) screwed on one end of the connecting rod (15), the connecting rod (15) is slidably connected in the connecting hole (14), and the connecting nut (16) abuts against the upper surface of the cover plate (4).

7. The battery pack for the electric automobile as claimed in claim 1, wherein a plurality of cross bars (17) are fixedly connected to the base plate (1) at uniform intervals along the length direction of the base plate (1), a plurality of vertical bars (18) are fixedly connected to the base plate (1) at uniform intervals along the width direction of the base plate (1), the vertical bars (18) and the cross bars (17) are vertically arranged, the upper surfaces of the vertical bars (18) and the upper surfaces of the cross bars (17) are on the same horizontal plane, and the battery pack (3) is mounted on the upper surfaces of the vertical bars (18) and the cross bars (17).