CN210245584U

CN210245584U - New energy automobile battery over-temperature cooling device

Info

Publication number: CN210245584U
Application number: CN201921250151.7U
Authority: CN
Inventors: Weijian Zhang; 张炜剑
Original assignee: Shanghai Yujia Electromechanical Technology Co Ltd
Current assignee: Shanghai Yujia Electromechanical Technology Co Ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-04-03
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses a new energy automobile battery cooling device that exceeds temperature, including the battery box, the battery box mainly comprises refrigeration room and placing chamber, and refrigerates fixedly connected with between room and the placing chamber and place the board, the top outer wall of placing the board is provided with the lug that the equidistance distributes, and opens between two adjacent lugs and have the through-hole, the equal fixedly connected with cooler in both sides of refrigeration bottom of the house inner wall, the louvre that the equidistance distributes is all opened to the both sides inner wall of placing chamber, the inner wall of battery box is provided with the case lid, and all opens the recess in the both sides of case lid top outer wall, two the inner wall of recess all rotates and is connected with the handle. The utility model discloses can prevent because the battery with place the great cooling effect who leads to the battery of area of contact between the board relatively poor to the life of battery and cause the influence, can prevent that the dust from causing the corruption to the surface of battery, can be convenient for carry out quick cooling treatment to the battery.

Description

New energy automobile battery over-temperature cooling device

Technical Field

The utility model relates to a new energy automobile technical field especially relates to a new energy automobile battery cooling device that exceeds temperature.

Background

At present, the development of electric vehicles is widely concerned by people, and batteries as the heart of electric vehicles are the key point of electric vehicle research, and the batteries of electric vehicles generally adopt power battery packs, and generate a large amount of heat during the use process, especially during the rapid charge and discharge and high-speed driving process, and in order to ensure that the batteries work in a proper temperature range, the battery packs need to be effectively cooled.

Through the retrieval, chinese patent application number is CN 201721377384.4's patent, discloses an electric automobile power battery cooling device, including the install bin, the inner chamber of install bin is equipped with the absorber plate, the inner chamber at the install bin is no less than four and the equidistance distribution to the absorber plate setting quantity, the tank wall of install bin and the inside of absorber plate are equipped with the passageway, be equipped with the fin on the inner wall of passageway, the both ends of passageway all set up with external intercommunication, and the passageway of one end is connected with the air extractor through the wind channel, and the passageway of the other end is connected with the air-blower through the wind channel, this electric automobile power battery cooling device, temperature sensor send measured data for the PLC controller, and the PLC controller is according to measured data to control the work of air extractor and air-blower, thereby carry out the cooling of forced air cooling. The cooling device for the power battery of the electric automobile in the patent has the following defects: when the conventional device cools the battery, the contact area between the battery and the battery box is large, so that the device cannot effectively cool the battery, and the service life of the battery is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an over-temperature cooling device for a new energy automobile battery.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a new energy automobile battery cooling device that exceeds temperature, includes the battery box, the battery box mainly comprises refrigeration room and placing chamber, and the board is placed to fixedly connected with between refrigeration room and the placing chamber, the top outer wall of placing the board is provided with the lug that the equidistance distributes, and opens between two adjacent lugs and have the through-hole, the equal fixedly connected with cooler in both sides of refrigeration bottom of the room inner wall, the louvre that the equidistance distributes is all opened to the both sides inner wall of placing chamber, the inner wall of battery box is provided with the case lid, and all opens the recess in the both sides of case lid top outer wall, two the inner wall of recess all rotates and is connected with the handle.

As a further aspect of the present invention: the cross section of the heat dissipation hole is trapezoidal, and the aperture of the heat dissipation hole inside the battery box is larger than that of the heat dissipation hole outside the battery box.

As a further aspect of the present invention: the inner walls of the two sides of the refrigerating chamber are provided with ventilation openings, and the inner walls of the two ventilation openings are fixedly connected with louver type blades which are distributed equidistantly.

As a further aspect of the present invention: and two dust screens are fixedly connected to one sides of the inner walls of the ventilation openings.

As a further aspect of the present invention: the top outer wall of case lid is opened has the ventilation hole that the equidistance distributes, and the inner wall in ventilation hole is provided with the dust absorption cotton.

As a further aspect of the present invention: the cooler is connected with a switch through a lead, and the switch is connected with a processor through a lead.

As a further aspect of the present invention: the outer wall of the bottom of the box cover is fixedly connected with a temperature sensor, and the signal output end of the temperature sensor is connected with the signal input end of the processor through a signal wire.

As a further aspect of the present invention: the venturi is fixedly connected to the edge of the inner wall of the through hole and located inside the refrigerating chamber.

The utility model has the advantages that:

1. through the arrangement of the placing plate, the through hole, the cooler and the bump, the contact area between the battery and the placing plate can be reduced, so that the bottom of the battery can be cooled, and the influence on the service life of the battery caused by poor cooling effect of the battery due to the large contact area between the battery and the placing plate is prevented;

2. through the trapezoidal heat dissipation holes, heat inside the battery box can be quickly discharged, and meanwhile, the amount of dust entering can be effectively reduced, so that the dust is prevented from corroding the surface of the battery;

3. the venturi tube is arranged, so that the airflow can be thinned from thick to thin, the flow rate of the gas is accelerated, and the gas forms a low-pressure area at the outer ring of the outlet of the venturi tube, so that the battery can be cooled rapidly.

Drawings

Fig. 1 is a schematic cross-sectional structural view of an over-temperature cooling device for a new energy vehicle battery provided in embodiment 1;

fig. 2 is a schematic overall structure diagram of an over-temperature cooling device for a new energy vehicle battery provided in embodiment 1;

fig. 3 is a schematic cross-sectional structure view of an over-temperature cooling device for a new energy vehicle battery provided in embodiment 2.

In the figure: 1 battery box, 2 cooler, 3 refrigeration room, 4 ventilation openings, 5 louver type blades, 6 bumps, 7 heat dissipation holes, 8 box covers, 9 dust absorption cotton, 10 temperature sensor, 11 ventilation holes, 12 placing room, 13 through holes, 14 placing plate, 15 dust screen, 16 grooves and 17 venturis.

Detailed Description

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, a new energy automobile battery cooling device that exceeds temperature, including battery box 1, battery box 1 mainly comprises refrigeration room 3 and placing chamber 12, and there is placing plate 14 through bolted connection between refrigeration room 3 and placing chamber 12, the top outer wall of placing plate 14 is provided with the lug 6 of equidistance distribution, and it has through-hole 13 to open between two adjacent lugs 6, there is cooler 2 both sides of the inner wall of refrigeration room 3 bottom through bolted connection, there is the louvre 7 of equidistance distribution both sides inner wall of placing chamber 12, the inner wall of battery box 1 is provided with case lid 8, and the both sides of case lid 8 top outer wall all open recess 16, the inner wall of two recess 16 all rotates and is connected with the handle.

Wherein, the cross section of louvre 7 is trapezoidal, and 7 apertures of louvre inside battery box 1 are greater than 7 apertures of louvre outside battery box 1, vent 4 has all been opened to the both sides inner wall of refrigeration room 3, and the inner wall of two vent 4 all has the louvered formula blade 5 of equidistance distribution through bolted connection, one side of two vent 4 inner walls all has dust screen 15 through bolted connection, the ventilation hole 11 that has the equidistance distribution is opened to the top outer wall of case lid 8, and the inner wall of ventilation hole 11 is provided with dust absorption cotton 9, cooler 2 is connected with the switch through the wire, and the switch is connected with the treater through the wire, the bottom outer wall of case lid 8 has temperature sensor 10 through bolted connection, and temperature sensor 10's signal output part passes through the signal line and the signal input part.

The working principle is as follows: during the use, place the battery inside battery box 1, can reduce the battery and place the area of contact between the board 14 through lug 6, so as to carry out cooling treatment to the bottom of battery, prevent to cause the influence to the life of battery owing to the battery is relatively poor with the cooling effect who places the great result in battery between board 14, detect the inside temperature of battery box 1 through temperature sensor 10, when the high temperature, temperature sensor 10 can give the treater with information transfer, the treater can be with handling signal transfer for cooler 2, cooler 2 can carry out cooling treatment to the battery, discharge the inside heat of battery box 1 through louvre 7, impurity in the air is cleared up through dust absorption cotton 9.

Example 2

Referring to fig. 3, in the present embodiment, compared with embodiment 1, a venturi 17 is connected to an inner wall edge of the through hole 13 through a bolt, and the venturi 17 is located inside the refrigeration chamber 3.

The working principle is as follows: when the device is used, a battery is placed in the battery box 1, the contact area between the battery and the placing plate 14 can be reduced through the bump 6, so that the bottom of the battery can be cooled, the influence on the service life of the battery caused by poor cooling effect of the battery due to large contact area between the battery and the placing plate 14 is prevented, the temperature in the battery box 1 is detected through the temperature sensor 10, when the temperature is too high, the temperature sensor 10 can transmit information to the processor, the processor can transmit a processing signal to the cooler 2, the cooler 2 can cool the battery, the heat in the battery box 1 is discharged through the heat dissipation hole 7, impurities in the air are cleaned through the dust absorption cotton 9, the air flow can be thinned from thick through the venturi 17 to accelerate the flow rate of the gas, and the gas forms a low-pressure area at the outer ring of the outlet of the venturi 17, thereby facilitating a rapid cooling process for the battery.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An over-temperature cooling device for a new energy automobile battery comprises a battery box (1) and is characterized in that, the battery box (1) mainly comprises a refrigeration chamber (3) and a placing chamber (12), a placing plate (14) is fixedly connected between the refrigerating chamber (3) and the placing chamber (12), the outer wall of the top of the placing plate (14) is provided with lugs (6) which are distributed at equal intervals, a through hole (13) is arranged between two adjacent convex blocks (6), both sides of the inner wall of the bottom of the refrigeration chamber (3) are fixedly connected with coolers (2), the inner walls of the two sides of the placing chamber (12) are provided with radiating holes (7) which are distributed at equal intervals, the inner wall of the battery box (1) is provided with a box cover (8), and grooves (16) are formed in the two sides of the outer wall of the top of the box cover (8), and handles are rotatably connected to the inner walls of the two grooves (16).

2. The over-temperature cooling device for the new energy automobile battery is characterized in that the cross section of the heat dissipation hole (7) is trapezoidal, and the aperture of the heat dissipation hole (7) inside the battery box (1) is larger than that of the heat dissipation hole (7) outside the battery box (1).

3. The over-temperature cooling device for the new energy automobile battery is characterized in that ventilation openings (4) are formed in the inner walls of the two sides of the refrigerating chamber (3), and louver type blades (5) distributed at equal intervals are fixedly connected to the inner walls of the two ventilation openings (4).

4. The over-temperature cooling device for the new energy automobile battery is characterized in that a dust screen (15) is fixedly connected to one side of each of the inner walls of the two ventilation openings (4).

5. The over-temperature cooling device for the new energy automobile battery is characterized in that ventilation holes (11) are formed in the outer wall of the top of the box cover (8) and are distributed equidistantly, and dust-absorbing cotton (9) is arranged on the inner walls of the ventilation holes (11).

6. The over-temperature cooling device for the new energy automobile battery is characterized in that the cooler (2) is connected with a switch through a conducting wire, and the switch is connected with a processor through a conducting wire.

7. The new energy automobile battery over-temperature cooling device according to any one of claims 1 to 6, characterized in that a temperature sensor (10) is fixedly connected to the outer wall of the bottom of the box cover (8), and a signal output end of the temperature sensor (10) is connected with a signal input end of a processor through a signal line.

8. The over-temperature cooling device for the new energy automobile battery is characterized in that a venturi (17) is fixedly connected to the edge of the inner wall of the through hole (13), and the venturi (17) is located inside the refrigerating chamber (3).