CN212182501U

CN212182501U - Thermal management structure of automobile power battery

Info

Publication number: CN212182501U
Application number: CN202021364436.6U
Authority: CN
Inventors: 郭宝会
Original assignee: Weinan Teachers College
Current assignee: Weinan Teachers College
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-12-18
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses an automobile power battery thermal management structure, which relates to the technical field of battery thermal management, comprising an automobile body, wherein an automobile battery pack and a thermal management structure are arranged inside the automobile body, the automobile battery pack is provided with six groups, gaps are arranged between the six automobile battery packs, a waterproof structure is also arranged inside the automobile body, the waterproof structure comprises a battery mounting groove and a water pipe mounting groove, the depth of the battery mounting groove is the same as that of the water pipe mounting groove, a heat preservation device and a battery junction box are arranged at one side position of the automobile battery pack inside the automobile body, the utility model discloses a cooling water pipe and a mounting groove are arranged at the bottom of the battery pack, so that the battery pack and the cooling water pipe are both arranged in the mounting groove, even if the cooling water pipe is broken, water can not soak the battery pack, and cooling water can flow into, and (4) manually cleaning.

Description

Thermal management structure of automobile power battery

Technical Field

The utility model belongs to the technical field of the battery heat management, concretely relates to car power battery heat management structure.

Background

The battery thermal management is a new technology which is based on the influence of temperature on the battery performance, combines the electrochemical characteristics and the heat production mechanism of the battery, is based on the optimal charging and discharging temperature interval of the specific battery, is established on the basis of multiple disciplines and fields of materials science, electrochemistry, heat transfer science, molecular dynamics and the like through reasonable design, and aims to solve the problem of heat dissipation or thermal runaway caused by the fact that the battery works under the condition of overhigh or overlow temperature so as to improve the overall performance of the battery. The battery heat management significance is great in pure electric vehicles, hybrid electric vehicles and other power systems using a power battery as a power source. The current battery thermal management mainly comprises multiple modes such as air cooling, liquid cooling, thermoelectric cooling, heat pipe cooling, phase-change material thermal management and the like.

However, the existing battery thermal management structure has some defects in the use process, for example, a cooling water pipe is broken, and the flowing-out of the cooling water can damage a battery pack of an automobile and influence the normal operation and running of the automobile; most of the heat management structures mostly cool the battery pack, a device for keeping the temperature of the battery pack in winter is not arranged, and the service life of the battery pack can be influenced under the condition of low temperature.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile power battery thermal management structure to the condenser tube that proposes takes place to break in solving above-mentioned background art, the condenser tube play can damage the car group battery and do not set up the problem of the device that keeps warm for the group battery winter.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automobile power battery thermal management structure, includes the automobile body, the internally mounted of automobile body has car group battery and thermal management structure, the car group battery is provided with six groups altogether, and all is provided with the space between six group's car group batteries, the inside of automobile body still is provided with waterproof construction, waterproof construction includes battery mounting groove and water pipe mounting groove, the battery mounting groove is the same with the degree of depth of water pipe mounting groove, one side position department that the inside of automobile body is located the car group battery installs heat preservation device and battery terminal box, heat preservation device is provided with two altogether, and two heat preservation device are located the both sides of battery terminal box respectively.

Preferably, the heat management structure comprises a cooler, a compressor, a condenser and a water pump, wherein a cooling water pipe is connected to a water outlet of the cooler and a water inlet of the water pump, and the cooling water pipe is positioned in the water pipe mounting groove.

Preferably, the water outlets of the condenser and the water pump are fixedly connected with the cooler through water pipes, the water inlet and the water pipe of the compressor are fixedly connected with the cooler, and the water outlet of the compressor is fixedly connected with the condenser through the water pipe.

Preferably, the heat preservation device comprises an air supply chamber and a heating chamber, a ventilation plate is arranged between the air supply chamber and the heating chamber, and a ventilation hole is formed in the ventilation plate.

Preferably, a fan is installed inside the air supply chamber, and two electric heating pipes are installed inside the heating chamber.

Preferably, the battery mounting groove is located at the bottom of the automobile battery pack, and the water pipe mounting groove is located at the gap.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a set up the mounting groove in the bottom of condenser tube and group battery, make group battery and condenser tube all install in the mounting groove, even condenser tube breaks, water can not the flooding group battery yet, and the cooling water can flow into in the mounting groove, but manual clearance has solved condenser tube and has taken place to break, and the cooling water outflow can damage the car group battery, influences the normal work of car and the problem of operation.

(2) The utility model discloses a set up heat preservation device, the heating of the electric heating pipe in the heating chamber to blow through the fan in the air feed room, then become hot-blast blowing out through the heating chamber, then can keep a temperature in the automobile body, solved most of heat management structures and mostly had for the group battery cooling, do not set up winter for the heat retaining device of group battery, under the lower condition of temperature, also can influence the life's of group battery problem.

Drawings

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

fig. 2 is a schematic structural view of the waterproof structure of the present invention;

FIG. 3 is a schematic structural view of the heat preservation device of the present invention;

fig. 4 is a circuit block diagram of the present invention;

in the figure: 1-an automotive battery pack; 2-an automobile body; 3-a cooling water pipe; 4-a heat preservation device; 41-an air supply chamber; 42-a heating chamber; 5-a cooler; 6-a compressor; 7-a condenser; 8-a water pump; 9-a battery junction box; 10-battery mounting groove; 11-water pipe mounting grooves; 12-an electric heating tube; 13-a ventilation board; 14-Fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides an automobile power battery thermal management structure, including automobile body 2, automobile body 2's internally mounted has car group battery 1 and thermal management structure, car group battery 1 is provided with six groups altogether, and all be provided with the space between six groups of car group battery 1, automobile body 2's inside still is provided with waterproof construction, waterproof construction includes battery mounting groove 10 and water pipe mounting groove 11, battery mounting groove 10 is the same with the degree of depth of water pipe mounting groove 11, one side position department that automobile body 2's inside is located car group battery 1 installs heat preservation device 4 and battery terminal box 9, heat preservation device 4 is provided with two altogether, and two heat preservation device 4 are located the both sides of battery terminal box 9 respectively.

The related electric elements are powered on, the automobile battery pack 1 is firstly installed in the battery installation groove 10, the cooling water pipe 3 is placed in the water pipe installation groove 11, cooling water cooled by the compressor 6 and the condenser 7 enters the cooler 5 and then circulates in the cooling water pipe 3, and the cooling water is circulated by the water pump 8, so that heat around the automobile battery pack 1 is taken away by the cooling water, and the cooling water is cooled.

Further, the heat management structure comprises a cooler 5, a compressor 6, a condenser 7 and a water pump 8, wherein a water outlet of the cooler 5 and a water inlet of the water pump 8 are both connected with a cooling water pipe 3, and the cooling water pipe 3 is positioned in a water pipe mounting groove 11.

Further, the water outlets of the condenser 7 and the water pump 8 are fixedly connected with the cooler 5 through water pipes, the water inlet and the water outlet of the compressor 6 are fixedly connected with the cooler 5 through water pipes, and the water outlet of the compressor 6 is fixedly connected with the condenser 7 through water pipes.

Further, the heat preservation device 4 includes an air supply chamber 41 and a heating chamber 42, a ventilation plate 13 is installed between the air supply chamber 41 and the heating chamber 42, and a ventilation hole is opened on the ventilation plate 13.

The electric heating pipe 12 in the heating chamber 42 is heated, and the air is blown by the fan 14 in the air supply chamber 41, and the heated air is blown out through the heating chamber 42, so that the automobile battery pack 1 in the automobile body 2 can keep warm at a low temperature.

Further, the fan 14 is installed inside the air supply chamber 41, and the two electric heating pipes 12 are installed inside the heating chamber 42.

Further, a battery mounting groove 10 is located at the bottom of the automobile battery pack 1, and a water pipe mounting groove 11 is located at the gap.

The cooler 5, the compressor 6, the water pump 8, the electric heating pipe 12 and the fan 14 are all electrically connected with the automobile battery pack 1, and the water pump 8 is a GBL50-125 centrifugal pump.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automobile power battery thermal management structure, includes automobile body (2), the internally mounted of automobile body (2) has car group battery (1) and thermal management structure, car group battery (1) is provided with six groups altogether, and all is provided with space, its characterized in that between six group car group batteries (1): the inside of car automobile body (2) still is provided with waterproof construction, waterproof construction includes battery mounting groove (10) and water pipe mounting groove (11), battery mounting groove (10) are the same with the degree of depth of water pipe mounting groove (11), one side position department that the inside of car automobile body (2) is located car group battery (1) installs heat preservation device (4) and battery terminal box (9), heat preservation device (4) are provided with two altogether, and two heat preservation device (4) are located the both sides of battery terminal box (9) respectively.

2. The automobile power battery heat management structure according to claim 1, characterized in that: the heat management structure comprises a cooler (5), a compressor (6), a condenser (7) and a water pump (8), wherein a cooling water pipe (3) is connected to a water outlet of the cooler (5) and a water inlet of the water pump (8), and the cooling water pipe (3) is located in a water pipe mounting groove (11).

3. The automobile power battery heat management structure according to claim 2, characterized in that: the water outlets of the condenser (7) and the water pump (8) are fixedly connected with the cooler (5) through water pipes, the water inlet and the water pipe of the compressor (6) are fixedly connected with the cooler (5), and the water outlet of the compressor (6) is fixedly connected with the condenser (7) through the water pipe.

4. The automobile power battery heat management structure according to claim 1, characterized in that: the heat preservation device (4) comprises an air supply chamber (41) and a heating chamber (42), a ventilation plate (13) is arranged between the air supply chamber (41) and the heating chamber (42), and a ventilation hole is formed in the ventilation plate (13).

5. The automobile power battery heat management structure according to claim 4, characterized in that: a fan (14) is arranged in the air supply chamber (41), and two electric heating pipes (12) are arranged in the heating chamber (42).

6. The automobile power battery heat management structure according to claim 1, characterized in that: the battery mounting groove (10) is located at the bottom of the automobile battery pack (1), and the water pipe mounting groove (11) is located in the gap.