CN215418315U

CN215418315U - Battery pack control module of electric automobile

Info

Publication number: CN215418315U
Application number: CN202121399108.4U
Authority: CN
Inventors: 魏东亚
Original assignee: Chongqing Xiaodian Xingxing New Energy Vehicle Co ltd
Current assignee: Chongqing Xiaodian Xingxing New Energy Vehicle Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-01-04
Anticipated expiration: 2031-06-23

Abstract

The utility model relates to the technical field of temperature control equipment and discloses a battery pack control module of an electric automobile, which comprises an outer shell, wherein a radiating fin is fixedly arranged at the bottom of the outer shell, supporting legs are fixedly arranged on two sides of the bottom of the outer shell, connecting cylinders are arranged on two sides of the outer shell, a work indicating lamp is fixedly arranged on the front side of the outer shell, a cover plate is detachably connected to the top of the outer shell, and an alarm is detachably connected to the top of the cover plate. This electric automobile group battery control module, when the inside high temperature of shell body, temperature sensor transmits the signal transmission of monitoring to the controller, and the controller starts radiator fan and dispels the heat this moment to can be accurate control the start-up of radiator fan, it is comparatively convenient to use, when the high temperature in the shell body, can send out the police dispatch newspaper, thereby can warn the user, be convenient for timely inspect the lithium cell.

Description

Battery pack control module of electric automobile

Technical Field

The utility model relates to the technical field of temperature control equipment, in particular to a battery pack control module of an electric automobile.

Background

Batteries of electric vehicles are divided into two major categories, including storage batteries and fuel cells, the storage batteries are suitable for pure electric vehicles, including lead-acid batteries, nickel-hydrogen batteries, sodium-sulfur batteries, secondary lithium batteries, air batteries and ternary lithium batteries, the fuel cells are specially used for fuel cell electric vehicles, including alkaline fuel cells, phosphoric acid fuel cells, molten carbonate fuel cells, solid oxide fuel cells, proton exchange membrane fuel cells and direct methanol fuel cells, the types of the electric vehicles are slightly different, in the pure electric vehicles only equipped with the storage batteries, the storage batteries are used as the only power source of the vehicle driving system, in the hybrid electric vehicles equipped with the traditional engine (or fuel cells) and the storage batteries, the storage batteries can play the role of the main power source of the vehicle driving system and also can be used as the auxiliary power source, and it can be seen that at low speed and during starting, the storage battery plays the role of a main power source of an automobile driving system; during full-load acceleration, the device plays the role of an auxiliary power source; what act as when normal driving or slow down, braking is the role of storage energy, because battery charge-discharge all can make the battery generate heat, influences the life of battery, when the temperature reaches the limit height, still can explode, consequently the cooling of group battery is the measure that improves lithium cell performance and increase of service life and prevent the explosion that the too high temperature of lithium cell arouses, consequently needs to install cooling device on the group battery.

Some electric automobile group battery cooling devices on the existing market:

(1) in the process of cooling the battery pack, the fan is usually adopted for heat dissipation, but because the temperature in the battery pack cannot be detected, the heat dissipation fan is inconvenient to accurately control, and therefore the heat dissipation fan needs to be continuously operated, so that not only is the consumption of electric energy large, but also the service life of the heat dissipation fan is reduced due to the continuous operation of the heat dissipation fan;

(2) the radiating in-process is carried out the group battery because current group battery does not have the alarming function reason, when the temperature of group battery was too high, can't report to the police to the user, easily leads to the group battery to take place to damage because of the high temperature.

We have proposed a battery pack control module for an electric vehicle in order to solve the problems set forth above.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the above-mentioned shortcomings in the prior art, an object of the present invention is to provide a battery pack control module for an electric vehicle, so as to solve the problems of inconvenience and accuracy in controlling a heat dissipation fan and no alarm function of some battery pack control modules for electric vehicles in the market proposed in the above-mentioned prior art.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a battery pack control module of an electric automobile comprises an outer shell, wherein cooling fins are fixedly arranged at the bottom of the outer shell, supporting legs are fixedly arranged on two sides of the bottom of the outer shell, connecting cylinders are arranged on two sides of the outer shell, a work indicator lamp is fixedly arranged on the front side of the outer shell, a cover plate is detachably connected to the top of the outer shell, and an alarm is detachably connected to the top of the cover plate;

the utility model discloses a screen cloth, including shell body, inner wall, heat-conducting plate, interior fixed mounting of shell body has the heat-conducting plate, the top of heat-conducting plate can be dismantled and is connected with interior casing, the inside of interior casing can be dismantled and be connected with the lithium cell, inner wall one side top fixed mounting of shell body has temperature sensor, the inner wall opposite side top fixed mounting of shell body has the controller, the equal fixed mounting in inner wall both sides of shell body has radiator fan, the inner wall one side of connecting cylinder can be dismantled and be connected with filter screen plate, the inner wall opposite side of connecting cylinder can be dismantled and be connected with the gauze plate.

Furthermore, the one end of connecting cylinder can be dismantled through set screw and connect in one side middle part of shell body, the heat dissipation window with connecting cylinder looks adaptation is seted up to one side of shell body.

Furthermore, the outside of heat-conducting plate passes through set screw and can dismantle the connection in the inside below of shell body, the heat-conducting plate is made by copper metal.

Furthermore, the quantity of fin has a plurality ofly, and is a plurality of the fin is the equidistance and arranges, the top of fin runs through the top of shell body and can dismantle the connection in the bottom of heat-conducting plate through set screw.

Furthermore, one side of radiator fan is corresponding with the one end of connecting cylinder, the input of work pilot lamp is connected to the output electricity of controller, the input of alarm is connected to the output electricity of controller, the output of lithium cell is connected to the input electricity of controller, temperature sensor's output is connected to the input electricity of controller, radiator fan's output is connected to the output electricity of controller.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: this electric automobile group battery control module:

(1) the temperature sensor is arranged in the outer shell, the internal temperature of the outer shell can be continuously monitored through the temperature sensor, the controller is arranged through the rethread, the cooling fan can be controlled, when the internal temperature of the outer shell is too high, the temperature sensor transmits a monitored signal to the controller, the controller starts the cooling fan to dissipate heat, and therefore the cooling fan can be accurately started to be controlled, and the use is convenient.

(2) The cooperation setting between alarm, temperature sensor, the controller, when the high temperature in the shell body, can send out the police dispatch newspaper to can warn the user, be convenient for timely examine the lithium cell, prevent that lithium cell high temperature from damaging.

Drawings

Fig. 1 is a schematic overall front view of a battery pack control module of an electric vehicle according to the present invention;

FIG. 2 is a schematic cross-sectional view of an electric vehicle battery pack control module according to the present invention;

FIG. 3 is a schematic perspective view of a heat-conducting plate of a battery pack control module of an electric vehicle according to the present invention;

fig. 4 is a connection block diagram of the battery pack control module of the electric vehicle according to the present invention.

In the figure: 1. an outer housing; 2. a heat sink; 3. a support leg; 4. a connecting cylinder; 5. a work indicator light; 6. a cover plate; 7. an alarm; 8. a heat conducting plate; 9. an inner housing; 10. a lithium battery; 11. a temperature sensor; 12. a controller; 13. a heat radiation fan; 14. a filter screen plate; 15. a screen plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a battery pack control module for an electric vehicle; the heat dissipation device comprises an outer shell 1, wherein a heat dissipation sheet 2 is fixedly installed at the bottom of the outer shell 1, support legs 3 are fixedly installed on two sides of the bottom of the outer shell 1, connecting cylinders 4 are arranged on two sides of the outer shell 1, a work indicator lamp 5 is fixedly installed on the front side of the outer shell 1, a cover plate 6 is detachably connected to the top of the outer shell 1, and an alarm 7 is detachably connected to the top of the cover plate 6;

the inside fixed mounting of shell body 1 has heat-conducting plate 8, the top of heat-conducting plate 8 can be dismantled and is connected with interior casing 9, the inside of interior casing 9 can be dismantled and is connected with lithium cell 10, inner wall one side top fixed mounting of shell body 1 has temperature sensor 11, the inner wall opposite side top fixed mounting of shell body 1 has controller 12, the equal fixed mounting in inner wall both sides of shell body 1 has radiator fan 13, inner wall one side of connecting cylinder 4 can be dismantled and is connected with filter plate 14, the inner wall opposite side of connecting cylinder 4 can be dismantled and is connected with gauze plate 15.

As a preferred technical scheme of the utility model: one end of the connecting cylinder 4 is detachably connected to the middle part of one side of the outer shell 1 through a fixing screw, and one side of the outer shell 1 is provided with a heat dissipation window matched with the connecting cylinder 4, so that the connecting cylinder 4 can be detached;

as a preferred technical scheme of the utility model: the outer side of the heat conducting plate 8 is detachably connected to the lower part of the inner part of the outer shell 1 through a fixing screw, and the heat conducting plate 8 is made of copper metal and can be detached from the heat conducting plate 8;

as a preferred technical scheme of the utility model: the number of the radiating fins 2 is multiple, the radiating fins 2 are arranged at equal intervals, the tops of the radiating fins 2 penetrate through the top of the outer shell 1 and are detachably connected to the bottom of the heat conducting plate 8 through fixing screws, and the radiating effect is further improved;

as a preferred technical scheme of the utility model: one side of radiator fan 13 is corresponding with the one end of connecting cylinder 4, the input of work pilot lamp 5 is connected to the output electricity of controller 12, the input of alarm 7 is connected to the output electricity of controller 12, the output of lithium cell 10 is connected to the input electricity of controller 12, the output of temperature sensor 11 is connected to the input electricity of controller 12, radiator fan 13's output is connected to the output electricity of controller 12, can set up through the cooperation between filter plate 14 and the gauze plate 15, filter the air that gets into shell body 1 inside.

The working principle of the embodiment is as follows: when the battery pack control module of the electric vehicle is used, as shown in fig. 1-4, the whole device is composed of an outer shell 1, a heat sink 2, a connecting cylinder 4, a heat conducting plate 8, an inner shell 9, a lithium battery 10, a temperature sensor 11 and a controller 12, heat is generated in the use process of the lithium battery 10, the temperature sensor 11 continuously monitors the internal temperature of the outer shell 1 and transmits a monitored signal to the controller 12, when the internal temperature of the outer shell 1 is lower than a set value, the controller 12 does not process the internal temperature, when the internal temperature of the outer shell 1 reaches a heat dissipation set value, the controller 12 transmits a starting signal to the heat dissipating fan 13, the heat dissipating fan 13 starts and blows air to dissipate heat of the lithium battery 10, the heat conducting plate 8 guides out the heat at the bottom of the lithium battery 10 and dissipates the heat via the heat sink 2, when the internal temperature of the outer shell 1 reaches an alarm set value, the controller 12 transmits an activation signal to the alarm 7, and the alarm 7 gives an alarm, which is the working process of the whole device and is not described in detail in this specification, which is well known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, may be fixedly connected or detachably connected; or indirectly through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations; it will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.

Claims

1. The battery pack control module of the electric automobile comprises an outer shell (1) and is characterized in that a radiating fin (2) is fixedly mounted at the bottom of the outer shell (1), support legs (3) are fixedly mounted on two sides of the bottom of the outer shell (1), connecting cylinders (4) are arranged on two sides of the outer shell (1), a work indicator lamp (5) is fixedly mounted on the front side of the outer shell (1), a cover plate (6) is detachably connected to the top of the outer shell (1), and an alarm (7) is detachably connected to the top of the cover plate (6);

the utility model discloses a heat-insulating and heat-insulating integrated circuit, including shell body (1), heat-conducting plate (8), interior fixed mounting of heat-conducting plate (8) can be dismantled and be connected with interior casing (9), the inside of interior casing (9) can be dismantled and be connected with lithium cell (10), inner wall one side top fixed mounting of shell body (1) has temperature sensor (11), the inner wall opposite side top fixed mounting of shell body (1) has controller (12), the equal fixed mounting in inner wall both sides of shell body (1) has radiator fan (13), the inner wall one side of connecting cylinder (4) can be dismantled and be connected with filter screen board (14), the inner wall opposite side of connecting cylinder (4) can be dismantled and be connected with gauze board (15).

2. The battery pack control module of the electric vehicle as claimed in claim 1, wherein one end of the connecting cylinder (4) is detachably connected to the middle of one side of the outer shell (1) through a fixing screw, and a heat dissipation window matched with the connecting cylinder (4) is formed in one side of the outer shell (1).

3. The battery pack control module for an electric vehicle according to claim 1, wherein the outside of the heat conductive plate (8) is detachably attached to the inside of the outer case (1) below by fixing screws, and the heat conductive plate (8) is made of copper metal.

4. The battery pack control module of an electric vehicle according to claim 1, wherein the number of the heat dissipation fins (2) is plural, the plurality of the heat dissipation fins (2) are arranged at equal intervals, and the top of the heat dissipation fin (2) penetrates through the top of the outer housing (1) and is detachably connected to the bottom of the heat conduction plate (8) through a fixing screw.

5. The battery pack control module of an electric vehicle according to claim 1, wherein one side of the heat dissipation fan (13) corresponds to one end of the connecting cylinder (4), the output end of the controller (12) is electrically connected with the input end of the work indicator lamp (5), the output end of the controller (12) is electrically connected with the input end of the alarm (7), the input end of the controller (12) is electrically connected with the output end of the lithium battery (10), the input end of the controller (12) is electrically connected with the output end of the temperature sensor (11), and the output end of the controller (12) is electrically connected with the output end of the heat dissipation fan (13).