CN213366671U

CN213366671U - Heat abstractor of lithium cell package for electric automobile

Info

Publication number: CN213366671U
Application number: CN202022778402.8U
Authority: CN
Inventors: 陈晓鹏; 刘成恩; 卢阳
Original assignee: Zhengzhou Electric Power Technology College
Current assignee: Zhengzhou Electric Power Technology College
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-06-04
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a heat abstractor of lithium cell package for electric automobile, including the battery package of fixed mounting on the automobile body, fixed mounting has the mounting bracket on the automobile body, fixed mounting has two air inlet seats on the mounting bracket, and equal fixed mounting has the filter screen in two air inlet seats, two equal fixed intercommunication has defeated tuber pipe between air inlet seat and two battery packages, be equipped with the air outlet on the battery package, install the extraction fan on the air outlet, fixed mounting has the condenser on the battery package, and the condenser intussuseption is filled with liquid coolant liquid, install compressing mechanism on the condenser. Has the advantages that: the utility model discloses can utilize the natural wind to cool down the operation to the battery package at the vehicle in-process of traveling, ensure that electric automobile continuation of the journey is stable, and when the battery package temperature under the still higher condition of natural wind cooling internal temperature, the heat absorption and the gasification effect of usable liquid coolant further cool down the operation to the battery package, and whole cooling effect is comparatively showing.

Description

Heat abstractor of lithium cell package for electric automobile

Technical Field

The utility model relates to an electric automobile technical field especially relates to a heat abstractor of lithium cell package for electric automobile.

Background

Lithium cell package is a key core component on the electric automobile, and it can provide the power supply for electric automobile, ensures that it stabilizes long distance and traveles, but lithium cell package in the use, can inevitably produce a large amount of heats, and when its internal temperature is higher, the electric energy of storing in the lithium cell package can be lost by a wide margin, leads to electric automobile duration to reduce, consequently the heat abstractor of lithium cell package for electric automobile need design urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem existing in the prior art, and the heat abstractor of lithium cell package for electric automobile that provides.

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

the utility model provides a heat abstractor of lithium cell package for electric automobile, includes the battery package of fixed mounting on the automobile body, fixed mounting has the mounting bracket on the automobile body, fixed mounting has two air inlet seats on the mounting bracket, and equal fixed mounting has the filter screen in two air inlet seats, two equal fixed intercommunication has the defeated tuber pipe between air inlet seat and two battery packages, be equipped with the air outlet on the battery package, install the extraction fan on the air outlet, fixed mounting has the condenser on the battery package, and the condenser intussuseption is filled with liquid coolant liquid, install compression mechanism on the condenser, install link gear between compression mechanism and the extraction fan.

In the above-mentioned heat abstractor of lithium cell package for electric automobile, fixed mounting has branch on the air outlet, fixed mounting has the supporting shoe on the branch, it is connected with the bull stick to rotate on the supporting shoe, bull stick and suction fan fixed connection.

In foretell heat abstractor of lithium cell package for electric automobile, compressing mechanism is including fixed cover, fixed cover fixed mounting is on the condenser, and fixed cover is linked together with the condenser, sliding connection has the piston in the fixed cover, the one end fixed mounting that the condenser was kept away from to the piston has the ratch.

In foretell heat abstractor of lithium cell package for electric automobile, the link gear includes the gear, the gear passes through the actuating lever and rotates the connection on the automobile body, and gear and ratch mesh mutually, fixed mounting has helical gear one on the actuating lever, fixed mounting has the installation pole on the automobile body, it is connected with the round bar to rotate on the installation pole, the one end fixed mounting of round bar has helical gear two, and helical gear two meshes with helical gear one mutually, the other end fixed mounting of round bar has drive gear, install torsion spring between drive gear and the helical gear two, fixed mounting has installation pole one on the automobile body, it is connected with the lead screw to rotate on the installation pole one, fixed mounting has the connecting gear on the lead screw, and connecting gear meshes with drive gear mutually, install the belt drive structure between lead screw and the bull stick.

In the above heat dissipation device for a lithium battery pack for an electric vehicle, the diameter of the transmission gear is larger than that of the connecting gear.

Compared with the prior art, the utility model discloses the advantage lies in:

1: through the cooperation of seat and defeated tuber pipe of admitting air, at the vehicle in-process of traveling, during natural wind can get into the battery package, takes away its interior heat to cool down the operation to it, avoid the battery package because of the higher problem that leads to electric automobile duration to reduce of temperature, and this kind of cooling mode can go on automatically at the vehicle in-process of traveling, and cooling efficiency is high, and energy loss is less.

2: through the cooperation of condenser and liquid coolant liquid, can carry out the absorption of certain degree to the heat in the battery package under the battery package still higher condition of through the interior temperature of natural wind cooling, can improve its cooling effect to a certain extent.

3: through compression mechanism and link gear's cooperation, can utilize the atmospheric pressure change in the condenser after liquid coolant absorbs the heat and takes place the gasification, make the extraction fan rotate automatically, further cool down the operation to the battery package.

To sum up, the utility model discloses can utilize natural wind to cool down the operation to the battery package at the vehicle in-process of traveling, ensure that electric automobile continuation of the journey is stable, and when the battery package temperature under the still higher condition of natural wind cooling inside temperature, the heat absorption and the gasification effect of usable liquid coolant further cool down the operation to the battery package, whole cooling effect is comparatively showing.

Drawings

Fig. 1 is a schematic structural view of a heat dissipation device of a lithium battery pack for an electric vehicle according to the present invention;

FIG. 2 is an enlarged view of the structure of part A in FIG. 1;

FIG. 3 is an enlarged view of the structure of part B in FIG. 1;

fig. 4 is an enlarged schematic view of a portion C in fig. 2.

In the figure: the device comprises a vehicle body 1, a battery pack 2, a mounting frame 3, an air inlet seat 4, an air delivery pipe 5, a filter screen 6, an air outlet 7, a condenser 8, liquid cooling liquid 9, a fixing sleeve 10, a piston 11, a toothed bar 12, a supporting bar 13, a supporting block 14, a rotating bar 15, a suction fan 16, a gear 17, a bevel gear 18, a mounting bar 19, a bevel gear 20, a torsion spring 21, a lead screw 22, a connecting gear 23 and a belt transmission structure 24.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a heat dissipation device for a lithium battery pack for an electric vehicle comprises a battery pack 2 fixedly mounted on a vehicle body 1, wherein a mounting frame 3 is fixedly mounted on the vehicle body 1, two air inlet seats 4 are fixedly mounted on the mounting frame 3, filter screens 6 are fixedly mounted in the two air inlet seats 4, air delivery pipes 5 are fixedly communicated between the two air inlet seats 4 and the two battery packs 2, and air outlets 7 are formed in the battery packs 2;

the above is noteworthy:

1. when the vehicle traveles, the nature wind can get into air inlet seat 4, passes through air delivery pipe 5 afterwards and gets into in battery package 2, takes out its interior heat from air outlet 7 to can cool down the operation to it, this kind of cooling mode can go on automatically at the vehicle in-process that traveles, and cooling efficiency is high, and energy loss is less.

2. Install extraction fan 16 on air outlet 7, fixed mounting has branch 13 on air outlet 7, fixed mounting has supporting shoe 14 on branch 13, it is connected with bull stick 15 to rotate on the supporting shoe 14, bull stick 15 and extraction fan 16 fixed connection, fixed mounting has condenser 8 on the battery package 2, and the intussuseption of condenser 8 is filled with liquid coolant 9, install compression mechanism on the condenser 8, under the cooling effect of battery package 2 at the natural wind, its internal temperature is still when higher, the heat can be transmitted for liquid coolant 9 on it, liquid coolant 9 can carry out preliminary cooling to it.

3. Compressing mechanism includes fixed cover 10, fixed cover 10 fixed mounting on condenser 8, and fixed cover 10 is linked together with condenser 8, sliding connection has piston 11 in fixed cover 10, and the one end fixed mounting that condenser 8 was kept away from to piston 11 has ratch 12, and after liquid coolant 9 absorbed the heat, it can take place the gasification, and 8 internal pressure increases in condenser this moment, can promote piston 11 and remove to the direction of keeping away from condenser 8 in fixed cover 10.

A linkage mechanism is arranged between the compression mechanism and the exhaust fan 16;

the above is noteworthy:

1. the link gear includes gear 17, gear 17 rotates through the actuating lever and connects on automobile body 1, and gear 17 meshes with pinion 12 mutually, fixed mounting has helical gear 18 on the actuating lever, fixed mounting has installation pole 19 on automobile body 1, it is connected with the round bar to rotate on the installation pole 19, the one end fixed mounting of round bar has helical gear two 20, and helical gear two 20 meshes with helical gear 18 mutually, when piston 11 removed, drive pinion 12 and remove simultaneously, after that through the meshing effect of pinion 12 with gear 17, can drive the actuating lever and rotate, and then through the meshing effect of helical gear 18 and helical gear two 20, make the round bar rotate simultaneously.

2. A transmission gear is fixedly arranged at the other end of the round rod, a torsion spring 21 is arranged between the transmission gear and the second helical gear 20, a first installation rod is fixedly arranged on the vehicle body 1, a screw rod 22 is rotatably connected on the first installation rod, a connecting gear 23 is fixedly arranged on the screw rod 22, and the connecting gear 23 is meshed with the transmission gear, a belt transmission structure 24 is arranged between the screw rod 22 and the rotating rod 15, when the round rod rotates, by the meshing effect of the transmission gear and the connecting gear 23, the screw rod 22 starts to rotate at the same time, therefore, through the design of the belt transmission structure 24, the rotating rod 15 drives the exhaust fan 16 to rotate, so as to exhaust the heat in the battery pack 2, further dissipate the heat, when the cooling liquid and gas in the condenser 8 are liquefied again, the air pressure in the condenser 8 is gradually restored, and at this time, the elastic force of the torsion spring 21 can reset the gear 17, thereby resetting the piston 11.

3. The diameter of the transmission gear is larger than that of the connecting gear 23, and the size design herein has the advantage that the exhaust fan 16 can rotate for a plurality of cycles when the piston 11 moves for a certain distance, so as to ensure the cooling effect on the battery pack 2, and the belt transmission structure 24 is the prior art, and the working principle and the specific structure thereof are not specifically explained herein.

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. A heat dissipation device of a lithium battery pack for an electric automobile comprises a battery pack (2) fixedly arranged on an automobile body (1), it is characterized in that the vehicle body (1) is fixedly provided with an installation frame (3), the installation frame (3) is fixedly provided with two air inlet seats (4), and filter screens (6) are fixedly arranged in the two air inlet seats (4), air delivery pipes (5) are fixedly communicated between the two air inlet seats (4) and the two battery packs (2), an air outlet (7) is arranged on the battery pack (2), an exhaust fan (16) is arranged on the air outlet (7), a condenser (8) is fixedly arranged on the battery pack (2), and the condenser (8) is filled with liquid cooling liquid (9), a compression mechanism is installed on the condenser (8), and a linkage mechanism is installed between the compression mechanism and the exhaust fan (16).

2. The heat dissipation device of the lithium battery pack for the electric vehicle as claimed in claim 1, wherein a support rod (13) is fixedly installed on the air outlet (7), a support block (14) is fixedly installed on the support rod (13), a rotating rod (15) is rotatably connected to the support block (14), and the rotating rod (15) is fixedly connected to the exhaust fan (16).

3. The heat dissipation device of a lithium battery pack for an electric vehicle as recited in claim 1, wherein the compression mechanism comprises a fixing sleeve (10), the fixing sleeve (10) is fixedly mounted on the condenser (8), the fixing sleeve (10) is communicated with the condenser (8), a piston (11) is slidably connected in the fixing sleeve (10), and a rack bar (12) is fixedly mounted at one end of the piston (11) far away from the condenser (8).

4. The heat dissipation device of the lithium battery pack for the electric automobile according to claim 3, wherein the linkage mechanism comprises a gear (17), the gear (17) is rotatably connected to the automobile body (1) through a driving rod, the gear (17) is meshed with the rack (12), a first helical gear (18) is fixedly mounted on the driving rod, a mounting rod (19) is fixedly mounted on the automobile body (1), a round rod is rotatably connected to the mounting rod (19), a second helical gear (20) is fixedly mounted at one end of the round rod, the second helical gear (20) is meshed with the first helical gear (18), a transmission gear is fixedly mounted at the other end of the round rod, a torsion spring (21) is mounted between the transmission gear and the second helical gear (20), a first mounting rod is fixedly mounted on the automobile body (1), and a lead screw (22) is rotatably connected to the first mounting rod, the connecting gear (23) is fixedly mounted on the screw rod (22), the connecting gear (23) is meshed with the transmission gear, and a belt transmission structure (24) is mounted between the screw rod (22) and the rotating rod (15).

5. The heat dissipating device of a lithium battery pack for an electric vehicle as claimed in claim 4, wherein the transmission gear has a diameter larger than that of the connection gear (23).