CN209880681U

CN209880681U - Battery package of new energy automobile

Info

Publication number: CN209880681U
Application number: CN201920457711.XU
Authority: CN
Inventors: 王振
Original assignee: Inner Mongolia University of Technology
Current assignee: Inner Mongolia University of Technology
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2019-12-31
Anticipated expiration: 2029-04-04

Abstract

The utility model discloses a new energy automobile's battery encapsulation, including a plurality of electric cores, electric core establishes ties each other, and is a plurality of two rows of settings are divided to electric core, each in every row electric core separates the setting each other, is provided with the cooling plate between two adjacent electric cores, two rows the top is provided with the coolant liquid and advances the pipe between the electric core, two rows the outside of electric core is provided with the coolant liquid exit tube, the cooling plate is provided with snakelike cooling channel, the top of electric core is connected with the roof, and the side is connected with first curb plate and second curb plate. A new energy automobile's battery encapsulation can improve the radiating efficiency of battery.

Description

Battery package of new energy automobile

Technical Field

The utility model relates to a battery especially relates to a battery package suitable for new energy automobile.

Background

In recent years, with the increase in environmental pollution and the increasing depletion of chemical fuel resources, hybrid vehicles and electric vehicles driven by electric energy have appeared. The battery of the hybrid electric vehicle or the electric vehicle is a core component. During the long-term charge and discharge of the battery, a large amount of heat is generated, and if the heat is not removed in time, a serious accident may occur.

Common cooling methods include natural cooling, air cooling and water cooling: natural cooling refers to accelerating heat exchange with the surrounding environment by arranging fins, and the heat dissipation mode is simple but the efficiency is the lowest; the air cooling means that the purpose of heat dissipation is achieved by additionally arranging a fan and matching with a reasonably designed air channel and accelerating the flow of air flow, and the heat dissipation mode has higher efficiency than a natural cooling mode, but can cause overlarge volume of a battery; the water cooling means that the cooling liquid channel is arranged, and the generated heat is taken away by the cooling liquid in the cooling liquid channel, and the heat dissipation mode is the highest.

However, in the conventional water-cooling heat dissipation method, due to an unreasonable design, when the cooling liquid flows from the inlet to the outlet, the temperature of the cooling liquid is increased, and thus, each part of the battery cannot be sufficiently cooled, and although each part of the battery can reach the same temperature through self heat exchange, the cooling efficiency is greatly reduced.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the deficiencies in the prior art, the utility model provides a new energy automobile's battery encapsulation to improve the cooling efficiency of battery.

The technical scheme is as follows: in order to achieve the purpose, the utility model discloses a new energy automobile's battery package, including a plurality of electric cores, electric core establishes ties each other, and is a plurality of two rows of settings are divided to electric core, each in every row electric core separates the setting each other, is provided with the cooling plate between two adjacent electric cores, and is two rows the top is provided with the coolant liquid and advances the pipe between the electric core, and is two rows the outside of electric core is provided with the coolant liquid exit tube, the cooling plate is provided with cooling channel, the coolant liquid advances the pipe and the coolant liquid exit tube all communicates with each other with cooling channel.

Further, the cooling channels are distributed in a serpentine shape.

Furthermore, a heat insulation film is coated outside the cooling liquid inlet pipe.

Further, the side of electric core is provided with first heat conduction silica gel pad, the cooling plate supports to press and connects on the first heat conduction silica gel pad of two adjacent electric cores.

Further, two rows be provided with second heat conduction silica gel pad between the electric core, second heat conduction silica gel pad sets up in the below that the coolant liquid advances the pipe.

Further, still include roof, first curb plate and second curb plate, the roof connect in the top of electric core, first curb plate advance tub parallel arrangement with the coolant liquid, and connect in the both sides of electric core, the second curb plate advances the pipe with the coolant liquid and sets up perpendicularly, and connect in the both ends of electric core.

Furthermore, the second side plate is provided with a first clamping groove, the top plate is provided with a second clamping groove, and the first clamping groove is vertically opposite to the second clamping groove and is clamped with the cooling liquid inlet pipe.

Further, fins are arranged on the outer side of the first side plate.

The utility model has the advantages as follows: the utility model provides a new energy automobile's battery encapsulation, all installs the heating panel additional between each electric core, parallelly connected with the cooling tube between each heating panel, can cool off simultaneously between each electric core, and the heat dissipation between each electric core can not influence each other simultaneously, has improved the radiating efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

fig. 3 is a schematic structural diagram of the battery cell of the present invention;

fig. 4 is a schematic structural diagram of the heat dissipation plate of the present invention;

FIG. 5 is a schematic diagram of a battery water cooling principle of the new energy automobile.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The battery package of the new energy automobile as shown in fig. 1 to 5 comprises a plurality of battery cores 1, wherein the battery cores 1 are connected in series, the battery cores 1 are arranged in two rows, each battery core 1 in each row is arranged at intervals, a cooling plate 2 is arranged between every two adjacent battery cores 1, a cooling liquid inlet pipe 3 is arranged at the top end between every two battery cores 1, the cooling liquid outlet pipe 4 is arranged on the outer side of each battery core 1, a cooling channel 5 is arranged on the cooling plate 2, and the cooling liquid inlet pipe 3 and the cooling liquid outlet pipe 4 are both communicated with the cooling channel 5.

The liquid cooling principle of the new energy automobile in the implementation is as shown in fig. 5, wherein the dotted line in fig. 5 represents the control signal flow, and the solid line represents the liquid flow. The cooling liquid passing through the battery module is circulated through a heat exchange plate, a heater and a water pump, the cooling performance in the heat exchange plate is subjected to heat exchange through a compressor, a cooler and a fan, and the whole process is controlled through an ECU (electronic control Unit).

The cooling channels 5 are distributed in a serpentine shape to increase the area of heat exchange, the cooling liquid inlet pipe 3 is externally coated with a heat insulation film, the heat insulation film in the embodiment is made of glass, and the heat insulation film is coated outside the cooling liquid inlet pipe to ensure that the cooling liquid does not exchange heat in the cooling liquid inlet pipe, so that the temperature of the cooling liquid flowing into the cooling plate between the electric cores is lower.

The side of electric core 1 is provided with first heat conduction silica gel pad 6, cooling plate 2 supports to press and connects on the first heat conduction silica gel pad 6 of two adjacent electric cores 1.

Two rows be provided with second heat conduction silica gel pad 7 between electric core 1, second heat conduction silica gel pad 7 sets up in the below that the coolant liquid advances pipe 3, and second heat conduction silica gel pad can promote the heat balance between each electric core.

Still include roof 10, first curb plate 8 and second curb plate 9, roof 10 connect in the top of electric core 1, first curb plate 8 advances pipe 3 parallel arrangement with the coolant liquid, and connect in the both sides of electric core 1, second curb plate 9 advances pipe 3 perpendicular settings with the coolant liquid, and connect in the both ends of electric core 1, because electric core still connects BMS promptly battery management system to the realization is to the control of electric core charge-discharge still be provided with the wiring hole 14 that is used for the wiring on the roof.

The second side plate 9 is provided with a first clamping groove 11, the top plate 10 is provided with a second clamping groove 12, the first clamping groove 11 is vertically opposite to the second clamping groove 12, and is clamped with the cooling liquid inlet pipe 3, so that the cooling liquid inlet pipe is fixed.

Fins 13 are arranged on the outer side of the first side plate 8, the coolant outlet pipe is fixed with the first side plate, skirt edges 15 are arranged on the periphery of the first side plate, threaded holes are formed in the skirt edges 15, and the skirt edges are fixed with the top plate and the second side plate through bolts.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. The utility model provides a new energy automobile's battery encapsulation which characterized in that: including a plurality of electric cores (1), electric core (1) is established ties each other, and is a plurality of two rows of settings are divided in electric core (1), each in every row electric core (1) separates the setting each other, is provided with cooling plate (2) between two adjacent electric cores (1), and is two rows the top is provided with the coolant liquid and advances pipe (3) between electric core (1), and is two rows the outside of electric core (1) is provided with coolant liquid exit tube (4), cooling plate (2) are provided with cooling channel (5), coolant liquid advances pipe (3) and coolant liquid exit tube (4) and all communicates with each other with cooling channel (5).

2. The battery package of the new energy automobile according to claim 1, wherein: the cooling channels (5) are distributed in a serpentine shape.

3. The battery package of the new energy automobile according to claim 1, wherein: and a heat insulation film is coated outside the cooling liquid inlet pipe (3).

4. The battery package of the new energy automobile according to claim 1, wherein: the side of electric core (1) is provided with first heat conduction silica gel pad (6), cooling plate (2) support the pressure to connect on first heat conduction silica gel pad (6) of two adjacent electric cores (1).

5. The battery package of the new energy automobile according to claim 1, wherein: two rows be provided with second heat conduction silica gel pad (7) between electric core (1), second heat conduction silica gel pad (7) set up in the below that the coolant liquid advances pipe (3).

6. The battery package of the new energy automobile according to claim 1, wherein: the battery cell structure is characterized by further comprising a top plate (10), a first side plate (8) and a second side plate (9), wherein the top plate (10) is connected above the battery cell (1), the first side plate (8) and the cooling liquid are arranged in parallel and connected to the two sides of the battery cell (1), and the second side plate (9) and the cooling liquid are arranged perpendicularly to the battery cell (3) and connected to the two ends of the battery cell (1).

7. The battery pack of the new energy automobile according to claim 6, wherein: the cooling structure is characterized in that a first clamping groove (11) is formed in the second side plate (9), a second clamping groove (12) is formed in the top plate (10), the first clamping groove (11) is vertically opposite to the second clamping groove (12), and the first clamping groove (11) and the second clamping groove (12) are clamped with the cooling liquid inlet pipe (3).

8. The battery pack of the new energy automobile according to claim 6, wherein: fins (13) are arranged on the outer side of the first side plate (8).