CN213546407U

CN213546407U - New energy automobile battery thermal management system

Info

Publication number: CN213546407U
Application number: CN202022572975.5U
Authority: CN
Inventors: 汪陈芳; 汪茂海; 张钊
Original assignee: Wuhu Zhanyi Automobile Technology Co ltd
Current assignee: Wuhu Zhanyi Automobile Technology Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-06-25
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a new energy automobile battery thermal management system, which comprises an upper cover body, a lower cover body and a battery core box, wherein a plurality of battery core grooves are evenly distributed in the battery core box, a battery core is placed in the battery core grooves, the inside of the battery core box is divided into a plurality of middle water flow channels by a plurality of horizontal division plates and vertical division plates, the battery core grooves pass through a plurality of middle water flow channels, the water inlet ends of the middle water flow channels are connected with a water inlet pipe group, the water outlet ends of the middle water flow channels are connected with a water outlet pipe group, the upper and lower two battery core ends of the battery core extend to the outside of the battery core grooves, end grooves are arranged on the opposite inner side walls of the upper cover body and the lower cover body, end water flow channels around the end grooves are arranged in the upper cover body and the lower cover body, a first-level plate sleeved on the upper section of the battery core is connected between the upper end surfaces of the upper cover body and the, first grade board and second grade board and the equal electric connection of electric core, the utility model discloses can prolong the life of battery.

Description

New energy automobile battery thermal management system

Technical Field

The utility model relates to a thermal management system technical field, concretely relates to new energy automobile battery thermal management system.

Background

With the rapid development of new energy automobile technology, the problems of new energy automobiles are increasingly remarkable. For example, when new energy automobile used under high temperature environment or low temperature environment, power battery module can take place defect such as charge-discharge difficulty under the thermal runaway or the low temperature condition, and then influence the life of battery module. Therefore, the power battery needs to be provided with a cooling or heating supporting facility to ensure the normal operation of the battery pack. The battery in the prior art mainly adopts a mode of placing the battery in a cooling plate containing cooling water for cooling and cooling the side wall of the battery core through cooling liquid. However, this method has the following disadvantages: because the upper end and the lower end of the battery cell are covered by the electrode plates, the heat at the end part of the battery cell is difficult to dissipate, and the regulation capacity of the battery on the environmental temperature is reduced to a certain extent; and the battery cell is subjected to heat exchange by the cooling liquid, only one liquid flow channel is usually arranged, and the liquid is difficult to rapidly and uniformly pass through the surface of the battery cell in the flowing process, so that the temperature adjusting efficiency of the battery cell is reduced.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a new energy automobile battery thermal management system to solve the above-mentioned defect among the prior art.

A new energy automobile battery thermal management system comprises an upper cover body, a lower cover body and a battery cell box positioned between the upper cover body and the lower cover body, wherein a plurality of battery cell grooves which are communicated up and down are uniformly distributed in the battery cell box, a battery cell is placed in the battery cell groove, the interior of the battery cell box is divided into a plurality of middle water flow channels which are arrayed and sealed along the horizontal direction and the vertical direction by a plurality of horizontal division plates and vertical division plates, the battery cell groove penetrates through a plurality of middle water flow channels, the water inlet ends of the middle water flow channels are connected with a water inlet pipe group, the water outlet ends of the middle water flow channels are connected with a water outlet pipe group, the upper battery cell end and the lower battery cell end of the battery cell extend to the exterior of the battery cell groove, a plurality of end grooves used for accommodating the corresponding battery cell ends are arranged on the inner side walls of the upper cover body and the lower cover body, end water flow channels around the peripheries of the, and the two ends of the end water flow channel are respectively connected with a water inlet and a water outlet, a first-stage plate sleeved on the upper sections of the plurality of electric cores is connected between the upper cover body and the upper end face of the electric core box, a second-stage plate sleeved on the lower sections of the plurality of electric cores is connected between the lower cover body and the lower end face of the electric core box, and the first-stage plate and the second-stage plate are electrically connected with the electric cores.

Preferably, the side wall of the electric core groove and the inner side wall of the end groove are both provided with insulating layers.

Preferably, the water inlet pipe group and the water outlet pipe group respectively comprise horizontal pipes connected to the end parts of the middle water flow channels and arranged horizontally, the horizontal pipes are connected through vertical pipes at the same side, the upper ends of the vertical pipes at the water inlet ends are provided with water inlets, and the lower ends of the vertical pipes at the water outlet ends are provided with water outlets.

Preferably, the first secondary plate and the second secondary plate are both electrically connected to the side wall of the battery cell.

Preferably, the first secondary plate and the second secondary plate are both provided with a plurality of through holes for penetrating through the battery cells.

The utility model has the advantages of as follows:

the utility model discloses a set up thermal management system, realize carrying out temperature adjustment control to the water of electricity core incasement to simultaneously adjust the temperature through the water to the electricity core incasement, thereby realize cooling down or the operation that heaies up to battery electricity core surface, through setting up middle part rivers passageway and tip rivers passageway and adjusting the temperature to each lateral wall of electric core and handling, guarantee the comprehensive contact of battery and cooling water, reach the purpose of cooling down and intensification to the battery, improve the radiating efficiency, prolong the life of battery.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

FIG. 3 is a schematic view of the longitudinal cross-section structure of the present invention;

fig. 4 is a schematic cross-sectional structure of the present invention;

fig. 5 is a schematic structural diagram of the upper cover body of the present invention.

In the figure:

1-upper cover body; 2-lower cover body; 3-an electric core box; 4-electrical core slot; 5-electric core; 6-horizontal partition plate; 7-a vertical divider plate; 8-a middle water flow channel; 9-a water inlet pipe group; 10-a water outlet pipe group; 11-electrical core terminal; 12-end slots; 13-end water flow channel; 14-a water inlet; 15-water outlet; 16-a first stage plate; 17-second stage plate.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 5, the utility model provides a new energy automobile battery thermal management system, it can improve the efficiency of battery to the regulation of ambient temperature change. Specifically, the method comprises the following steps:

the battery thermal management system comprises an upper cover body 1, a lower cover body 2 and a battery cell box 3 positioned between the upper cover body 1 and the lower cover body 2, wherein a plurality of battery cell grooves 4 which are vertically communicated are uniformly distributed in the battery cell box 3, and a battery cell 5 is placed in the battery cell grooves 4.

The inside of the electric core box 3 is divided into a plurality of middle water flow channels 8 which are arrayed and sealed along the horizontal and vertical directions by a plurality of horizontal division plates 6 and vertical division plates 7, the electric core groove 4 penetrates through the middle water flow channels 8, the water inlet end of each middle water flow channel 8 is connected with a water inlet pipe group 9, and the water outlet end of each middle water flow channel 8 is connected with a water outlet pipe group 10. Specifically, the method comprises the following steps:

the water inlet pipe group 9 and the water outlet pipe group 10 both comprise horizontal pipes connected to the end parts of the middle water flow channels 8 which are horizontally arranged, the horizontal pipes which are vertically arranged on the same side are connected through a vertical pipe, the upper end of the vertical pipe at the water inlet end is provided with a water inlet, and the lower end of the vertical pipe at the water outlet end is provided with a water outlet.

Compare in and place electric core 5 in the middle part of the design of an organic whole and fill electric core case 3 of water in usual, the utility model discloses the device more is favorable to the evenly distributed of rivers, can accelerate the regulating action at electric core 5 ambient temperature all around, improves the life of battery.

The upper and lower two electric core ends 11 of electric core 5 all extend to the outside of electric core groove 4, the relative inside wall of going up lid 1 and lid 2 down all is provided with a plurality of end grooves 12 that are used for holding the correspondence electric core end 11, goes up the inside of lid 1 and lid 2 down and is equipped with entangles around end groove 12 tip rivers passageway 13 all around to the water inlet 14 and delivery port 15 are being connected respectively at the both ends of tip rivers passageway 13.

The side wall of the electrical core slot 4 and the inner side wall of the end slot 12 are provided with insulating layers (not shown in the figure). The insulating layer is favorable for improving the insulating efficiency and preventing electric leakage.

The battery pack is characterized in that a first level plate 16 sleeved on the upper sections of the plurality of battery cells 5 is connected between the upper cover body 1 and the upper end face of the battery cell box 3, a second level plate 17 sleeved on the lower sections of the plurality of battery cells 5 is connected between the lower cover body 2 and the lower end face of the battery cell box 3, and the first level plate 16 and the second level plate 17 are electrically connected with the battery cells 5. Specifically, the method comprises the following steps:

the first and second

secondary plates

16 and 17 are electrically connected to the side walls of the battery cells 5. The first secondary plate 16 and the second secondary plate 17 are provided with a plurality of through holes for penetrating through the battery cells 5.

The utility model discloses the theory of operation of device is:

when the internal temperature of the electric core box 3 is too high or too low and temperature adjustment is needed, water flow is introduced into the water inlet pipe group 9, passes through each middle water flow channel 8 and acts on the periphery of the electric core groove 4 of the middle water flow channel 8 to perform temperature adjustment on the electric core 5 in the electric core groove 4, and the water flow in the middle water flow channel 8 exchanges heat with the electric core 5, so that the purpose of adjusting the surface temperature of the electric core 5 is achieved, and due to the partition design of the middle water flow channel 8, the heat exchange water flow can act on the periphery of the electric core groove 4 relatively uniformly and quickly, and the heat exchange efficiency is improved;

simultaneously, go up lid 1 and two water inlets 14 of lower lid 2 and also can pass through rivers toward tip rivers passageway 13 in, carry out the heat transfer to electric core end 11 of electric core 5, so far, all have rivers to pass through around whole electric core, compare in the mode of the only lateral wall heat transfer in the past, the heat transfer of this kind of mode is more thorough.

The utility model discloses a set up thermal management system, realize the control that adjusts the temperature to the water in electric core case 3, and adjust the temperature through the water to electric core case 3 simultaneously, thereby realize cooling down or the operation of heaing up to battery electricity core 5 surface, through setting up middle part rivers passageway 8 and tip rivers passageway 13 to the processing that adjusts the temperature of each lateral wall of electric core 5, guarantee the comprehensive contact of battery and cooling water, reach the purpose of cooling down and rising temperature to the battery, improve the radiating efficiency, prolong the life of battery.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a new energy automobile battery thermal management system, includes lid (1), lower lid (2) and is located go up lid (1) and electric core case (3) between lid (2) down, the inside evenly distributed of electric core case (3) has a plurality of electric core grooves (4) that link up from top to bottom, and electric core (5) are placed in electric core groove (4), its characterized in that: the inner part of the electric core box (3) is divided into a plurality of middle water flow channels (8) which are arrayed and sealed along the horizontal and vertical directions by a plurality of horizontal division plates (6) and vertical division plates (7), the electric core groove (4) penetrates through a plurality of middle water flow channels (8), the water inlet ends of a plurality of middle water flow channels (8) are connected with a water inlet pipe group (9), the water outlet ends of a plurality of middle water flow channels (8) are connected with a water outlet pipe group (10), the upper and lower electric core ends (11) of the electric core (5) extend to the outer part of the electric core groove (4), a plurality of end grooves (12) used for accommodating the electric core ends (11) are arranged on the opposite inner side walls of the upper cover body (1) and the lower cover body (2), end water flow channels (13) which surround the end grooves (12) are arranged inside the upper cover body (1) and the lower cover body (2), and the two ends of the end water flow channels (13) are respectively connected with a water inlet (14) and, the battery is characterized in that a first-level plate (16) sleeved on the upper sections of the plurality of battery cells (5) is connected between the upper cover body (1) and the upper end face of the battery cell box (3), a second-level plate (17) sleeved on the lower sections of the plurality of battery cells (5) is connected between the lower cover body (2) and the lower end face of the battery cell box (3), and the first-level plate (16) and the second-level plate (17) are electrically connected with the battery cells (5) uniformly.

2. The new energy automobile battery thermal management system according to claim 1, characterized in that: and insulating layers are arranged on the side wall of the electric core groove (4) and the inner side wall of the end groove (12).

3. The new energy automobile battery thermal management system according to claim 1, characterized in that: the water inlet pipe group (9) and the water outlet pipe group (10) comprise horizontal pipes connected to the end parts of the middle water flow channels (8) and arranged at a plurality of levels, the horizontal pipes are connected with each other through vertical pipes at the same side, a water inlet is formed in the upper end of each vertical pipe at the water inlet end, and a water outlet is formed in the lower end of each vertical pipe at the water outlet end.

4. The new energy automobile battery thermal management system according to claim 1, characterized in that: the first secondary plate (16) and the second secondary plate (17) are electrically connected to the side wall of the battery cell (5).

5. The new energy automobile battery thermal management system according to claim 1, characterized in that: the first secondary plate (16) and the second secondary plate (17) are provided with a plurality of through holes for penetrating through the battery cells (5).