阅读说明：本技术 新能源汽车电池散热风扇驱动装置 (New energy automobile battery radiator fan drive arrangement ) 是由 诸玲敏 于 2021-10-26 设计创作，主要内容包括：本发明涉及电池散热技术领域,尤其涉及一种新能源汽车电池散热风扇驱动装置。所述新能源汽车电池散热风扇驱动装置包括电池壳罩；散热风扇,转动安装在所述电池壳罩顶部固定嵌合的安装筒内；引气筒,通过导气部件与所述安装筒连通；阻风部件,位于所述引气筒内,所述阻风部件包括阻风盘,所述阻风盘固定嵌合在引气筒的进气口处,且所述阻风盘上开设有进风的进风孔以及安装有用于密封进风孔的挡风柱。本发明提供的新能源汽车电池散热风扇驱动装置有效的利用汽车行驶时车外的风体作为散热气体引入到车内对电池进行散热,降低了电池散热所需的能源耗损,还可以使得车体内部气体可以进行不断的循环、更新净化的优点。(The invention relates to the technical field of battery heat dissipation, in particular to a driving device of a battery heat dissipation fan of a new energy automobile. The new energy automobile battery cooling fan driving device comprises a battery shell cover; the heat radiation fan is rotatably arranged in the mounting cylinder fixedly embedded at the top of the battery shell cover; the air guide cylinder is communicated with the mounting cylinder through an air guide part; the air guide cylinder is provided with an air inlet, the air inlet is communicated with the air inlet, the air guide cylinder is provided with an air inlet hole, the air inlet hole is communicated with the air inlet, and the air guide cylinder is provided with a wind blocking part which is arranged in the air guide cylinder and comprises a wind blocking disc which is fixedly embedded at the air inlet of the air guide cylinder. The driving device of the battery cooling fan of the new energy automobile effectively utilizes the air outside the automobile as cooling air to be introduced into the automobile to cool the battery when the automobile runs, reduces the energy consumption required by battery cooling, and also has the advantages that the air inside the automobile body can be continuously circulated and updated and purified.)

1. New energy automobile battery radiator fan drive arrangement includes:

a battery case (1);

the heat radiation fan (4) is rotatably installed in an installation cylinder (2) fixedly embedded at the top of the battery shell cover (1), and a rotating motor (9 d) used for driving the heat radiation fan (4) to rotate is installed in the installation cylinder (2);

characterized in that the drive means further comprises:

the air introducing cylinder (7) is communicated with the mounting cylinder (2) through an air guide part (6), and air flow introduced by the air introducing cylinder (7) when the automobile runs is utilized to dissipate heat of the battery in the battery shell cover (1);

the cylinder body of the air introducing cylinder (7) is fixedly connected with the cylinder bottom through threads, an activated carbon column (9 a) used for drying and purifying introduced air flow is installed in the air introducing cylinder (7), and the activated carbon column (9 a) is fixed through a plurality of groups of clamping components (8) installed in the air introducing cylinder (7);

the air blocking component (9) is positioned in the air induction cylinder (7), the air blocking component (9) comprises an air blocking disc (91), the air blocking disc (91) is fixedly embedded at an air inlet of the air induction cylinder (7), and the air blocking disc (91) is provided with an air inlet hole (97) for air inlet and a wind blocking column (96) for sealing the air inlet hole (97);

choke part (9) still include driving gear (92), driving gear (92) are installed in the inboard center of rotation department of choke dish (91) through the pivot rotation, just there is micro motor (93) that are used for driving gear (92) rotation through frame fixed mounting in choke dish (91), driving gear (92) and the multiunit driven gear (94) meshing of installing on choke dish (91) are connected, and the multiunit driven gear (94) ring-type distribution is peripheral at driving gear (92), each group equal fixed mounting has solid fixed ring (95) on driven gear (94), just gu fixed ring (95) pass through connecting rod and wind-blocking post (96) fixed connection.

2. The new energy automobile battery cooling fan driving device according to claim 1, wherein each fixing ring (95) is provided with two groups of wind-blocking posts (96) with the same included angle, and the wind-blocking posts (96) on each fixing ring (95) are matched with wind inlet holes (97) formed in positions adjacent to the wind-blocking discs (91).

3. The new energy automobile battery cooling fan driving device according to claim 1, wherein the clamping component (8) includes a fixing plate (81), the fixing plate (81) is fixedly embedded on the inner cylinder wall of the air induction cylinder (7), the fixing plate (81) is fixedly installed with an elastic plastic plate (82) axially distributed along the air induction cylinder (7), an embedded silica gel head (83) is fixedly installed on a head of the elastic plastic plate (82), and the fixing plate (81) is elastically connected with the pressing plate (85) through a spring (84).

4. The new energy automobile battery cooling fan driving device according to claim 4, wherein the activated carbon column (9 a) is clamped in the plurality of sets of clamping components (8), specifically, a sleeving ring (9 b) is fixedly sleeved on the activated carbon column (9 a), and the sleeving ring (9 b) is inserted into a gap between the pressing sheet (85) and the embedded silicone head (83).

5. The new energy automobile battery cooling fan driving device according to claim 1, characterized in that the air guide part (6) comprises a connecting header pipe (61), one end of the connecting header pipe (61) is communicated with the bottom of the air introducing cylinder (7) through an air guide hose (64), the other end of the connecting header pipe (61) is connected with a plurality of connecting branch pipes (62) with the same specification, each connecting branch pipe (62) is fixedly provided with a rotating connector (63) on the pipe head, and the connecting branch pipes (62) are connected with a covering assembly (5) covering the air introducing cylinder (7) through the rotating connectors (63).

6. The new energy automobile battery cooling fan driving device according to claim 5, wherein the covering assembly (5) comprises a barrel cover (51), a metal separation net (53) is fixedly embedded in a through cavity formed in the barrel cover (51), a plurality of threaded connecting pipes (52) distributed in an annular shape are fixedly installed on the metal separation net (53), and the threaded connecting pipes (52) on the covering assembly (5) are in one-to-one correspondence with the rotary connectors (63) in the air guide part (6) and are fixedly connected with the rotary connectors in a threaded manner.

7. The driving device of the new energy automobile battery cooling fan according to claim 1, wherein a filter screen (9 c) is fixedly installed at a cylinder opening of the air induction cylinder (7).

8. The driving device of the new energy automobile battery cooling fan according to claim 1, wherein the battery casing cover (1) outside the installation cylinder (2) is fixedly embedded with annularly distributed cooling fins (3), and the cylinder wall of the installation cylinder (2) is provided with a plurality of annularly distributed through holes.

Technical Field

The invention relates to the technical field of battery heat dissipation, in particular to a driving device of a battery heat dissipation fan of a new energy automobile.

Background

The new energy automobile adopts unconventional automobile fuel as a power source (or uses conventional automobile fuel and adopts a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, forms an automobile with advanced technical principle, new technology and new structure, the energy storage of the current new energy automobile (oil-electricity hybrid electric automobile and pure electric automobile) needs to use a high-performance power battery, the temperature inside the battery is heated to exceed the normal use temperature of the battery due to the charging and discharging of large current in the use process, even the battery is broken, leaked, ignited and exploded, so that the reliability and the safety of the battery are influenced, in order to ensure the reliable and safe running of the new energy automobile, the reliable and safe running of the power battery is ensured, and the heat radiation performance is also improved besides the optimization of the battery structure, therefore, in a battery management system of a new energy automobile, a fan dedicated to heat dissipation of a battery is often provided.

However, the conventional cooling fan dedicated for the storage battery is generally integrated, and is mostly driven by a motor, but the cooling fan does not have any other power source after the motor is damaged, so that the temperature of the storage battery is rapidly increased immediately, and the battery panel is easily overheated to cause an accident.

Therefore, it is necessary to provide a new driving device for a battery cooling fan of a new energy vehicle to solve the above technical problems.

Disclosure of Invention

In order to solve the technical problems, the invention provides the driving device of the battery cooling fan of the new energy automobile, which can effectively utilize the air outside the automobile as cooling air to be introduced into the automobile to cool the battery when the automobile runs, and reduce the energy consumption required by the battery cooling.

The invention provides a new energy automobile battery cooling fan driving device, which comprises:

a battery can;

the heat dissipation fan is rotationally arranged in an installation cylinder fixedly embedded at the top of the battery shell cover, and a rotating motor for driving the heat dissipation fan to rotate is arranged in the installation cylinder;

the driving device further includes:

the air guide cylinder is communicated with the mounting cylinder through an air guide part, and air flow generated when the automobile travels is guided by the air guide cylinder to dissipate heat of the battery in the battery shell cover;

the air guide cylinder is arranged in the air guide cylinder, the air guide cylinder is provided with an air inlet hole for air inlet, and the air guide cylinder is provided with an air inlet hole for air inlet;

the cylinder body of the air introducing cylinder is fixedly connected with the cylinder bottom through threads, an activated carbon column for drying and purifying introduced air flow is installed in the air introducing cylinder, the added activated carbon column can dehumidify, remove peculiar smell and remove tiny impurities from the externally introduced air flow, and therefore the purity of air entering a carriage is effectively guaranteed, and the activated carbon column is fixed through a plurality of groups of clamping components installed in the air introducing cylinder;

the wind-blocking component also comprises a driving gear which is rotatably arranged at the rotating center of the inner side of the wind-blocking disc through a rotating shaft, and a micro motor for driving the driving gear to rotate is fixedly arranged in the wind resistance disc through a frame, the driving gear is meshed and connected with a plurality of groups of driven gears arranged on the wind resistance disc, and a plurality of groups of driven gears are annularly distributed on the periphery of the driving gear, each group of driven gears is fixedly provided with a fixed ring, and the fixed ring is fixedly connected with the wind shielding column through a connecting rod, the micro motor is started to drive the driving gear to rotate, thereby the driving gear drives the driven gear which is meshed and connected with the driving gear to synchronously rotate to drive the wind shielding column which covers the air inlet hole to rotate, so that the wind shielding column and the air inlet hole are staggered, therefore, in the advancing process of the automobile, airflow can flow into the air guide part through the air inlet hole and then flow into the mounting cylinder to dissipate heat of the new energy automobile battery.

Preferably, each all install two sets of the same wind posts of contained angle on the solid fixed ring, and each the fresh air inlet that wind post and the adjacent position of choke disc set up on the solid fixed ring matches each other.

Preferably, the clamping component comprises a fixing piece which is fixedly embedded on the inner cylinder wall of the air entraining cylinder, an elastic plastic plate is fixedly arranged on the fixing piece and is distributed on the elastic plastic plate along the axial direction of the air entraining cylinder, an embedded silica gel head is fixedly arranged at the head of the elastic plastic plate, when the activated carbon column is installed, the cylinder body of the air entraining cylinder is rotated from the cylinder bottom and is pulled upwards and outwards to press the sleeving ring on the pressing piece, the elastic plastic plate is subsequently loosened to lock the elastic plastic plate on the upper surface of the sleeving ring, so that the installation of the activated carbon column is completed, when the activated carbon column is disassembled, the elastic plastic plate is pulled upwards and outwards to take down the sleeving ring off from the pressing piece, so that the activated carbon column is convenient to replace, the fixing piece is elastically connected with the pressing piece through a spring, and when the activated carbon column encounters large airflow impact, the clamping component is provided with the spring, so that the activated carbon column can extrude the spring, thereby reducing the impact on the activated carbon column, the stability of the activated carbon column is improved.

Preferably, the activated carbon column is clamped in a plurality of groups of clamping components, specifically, a sleeve ring is fixedly sleeved on the activated carbon column, and the sleeve ring is inserted into a gap between the press-fit sheet and the embedded silica gel head.

Preferably, the air guide part is including connecting house steward, connecting house steward's one end is passed through the air guide hose and is linked together at the bottom of the section of thick bamboo that draws the gas cylinder, just connecting house steward's the other end is connected with many connecting branch pipes that the specification is the same, each equal fixed mounting has the rotation connector on connecting branch pipe's the nose, just connecting branch pipe closes the subassembly through rotating the connector and the lid that closes on the gas cylinder and is connected.

Preferably, the covering assembly comprises a barrel cover, a metal separation net is fixedly embedded in a through cavity formed in the barrel cover, a plurality of threaded connecting pipes distributed in an annular shape are fixedly installed on the metal separation net, and the threaded connecting pipes on the covering assembly correspond to the rotary connectors in the air guide part one by one and are fixedly connected through threads.

Preferably, a filter screen is fixedly installed at a cylinder opening of the air entraining cylinder so as to filter dust of the air flow entering the air entraining cylinder.

Preferably, the battery case cover outside the installation cylinder is fixedly embedded with radiating fins distributed annularly, and the cylinder wall of the installation cylinder is provided with a plurality of through holes distributed annularly, so that excessive air flow overflows from the metal separation net and the through holes on the side wall of the installation cylinder, and blows towards the radiating fins, and the radiating fins can also radiate heat quickly.

Compared with the related art, the driving device of the battery cooling fan of the new energy automobile has the following beneficial effects:

1. according to the invention, the air guide barrel is formed into the ventilating barrel by using the choke part, so that airflow generated by an automobile in the advancing process is guided into the mounting barrel through the air guide barrel and the air guide part, and the airflow drives the cooling fan to rotate, so that the airflow can effectively dissipate heat of a new energy automobile battery, and therefore, the air outside the automobile is effectively used as cooling air to be introduced into the automobile to dissipate heat of the battery when the automobile runs, energy consumption required by battery cooling is reduced, and the air inside the automobile body can be continuously circulated, updated and purified;

2. when the new energy automobile battery cannot or does not need to be cooled by external airflow, the miniature motor is reversed to reset the wind blocking column to the corresponding air inlet hole, so that the wind blocking disc is matched with the wind blocking column to seal the air entraining cylinder, and the external airflow cannot flow into the mounting cylinder, thereby effectively protecting the new energy automobile battery;

3. the active carbon column additionally arranged can dehumidify and remove peculiar smell of air flow introduced from the outside and remove tiny impurities, so that the purity of air entering a carriage is effectively ensured.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a driving device of a battery cooling fan of a new energy vehicle according to the present invention;

FIG. 2 is a schematic view of the mounting structure of the cover assembly on the base shown in FIG. 1;

FIG. 3 is a schematic view of the internal structure of the mounting cartridge in the base of FIG. 2;

FIG. 4 is a schematic view of the closure assembly shown in FIG. 2;

FIG. 5 is a schematic structural view of the air guide of FIG. 1;

FIG. 6 is a schematic structural view of an air blocking member in the air induction cylinder shown in FIG. 1;

FIG. 7 is a schematic view showing an installation structure of an activated carbon column in the gas introduction tube shown in FIG. 1;

FIG. 8 is a schematic view of the mounting structure of the clamping assembly in the inflator shown in FIG. 7;

figure 9 is a schematic view of the latch assembly of figure 8.

Reference numbers in the figures: 1. a battery can; 2. mounting the cylinder; 3. a heat dissipating fin; 4. a heat radiation fan; 5. a covering component; 51. a cylinder cover; 52. a threaded connection pipe; 53. a metal screen; 6. an air guide member; 61. connecting a main pipe; 62. connecting branch pipes; 63. rotating the connector; 64. an air guide hose; 7. an air introducing cylinder; 8. a clamping assembly; 81. a fixing sheet; 82. an elastic plastic plate; 83. embedding a silica gel head; 84. a spring; 85. laminating the sheets; 9. a choke member; 91. a wind resistance plate; 92. a driving gear; 93. a micro motor; 94. a driven gear; 95. a fixing ring; 96. a wind-shielding column; 97. an air inlet hole; 9a, an activated carbon column; 9b, a socket ring; 9c, a filter screen; 9d, rotating the motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Referring to fig. 1 to 9, a new energy vehicle battery cooling fan driving device according to an embodiment of the present invention includes: the battery comprises a battery shell cover 1, a heat radiation fan 4, a gas guide cylinder 7 and a wind blocking part 9.

In the embodiment of the present invention, referring to fig. 1 and 3, the heat dissipation fan 4 is rotatably installed in the installation cylinder 2 fixedly embedded at the top of the battery housing cover 1, the installation cylinder 2 is internally installed with a rotation motor 9d for driving the heat dissipation fan 4 to rotate, the air induction cylinder 7 is communicated with the installation cylinder 2 through an air guide part 6, air flow generated when the air induction cylinder 7 is used for inducing an automobile to advance is used for dissipating heat of the battery in the battery housing cover 1, and a filter screen 9c is fixedly installed at a cylinder opening of the air induction cylinder 7.

It should be noted that: when the equipment is installed, the battery shell cover 1 is buckled on a battery frame of the new energy automobile, the air entraining cylinder 7 is fixed at the edge of the frame, a mounting hole for placing the air entraining cylinder 7 can be formed in the automobile head or the automobile roof, and the air entraining cylinder 7 is consistent with the automobile head;

in the weather of heavy rain, snow or fog, the air entraining cylinder 7 is sealed by the wind blocking part 9, so that air flow cannot enter the air entraining cylinder 7 in the advancing process of the automobile, and at the moment, the rotating motor 9d is started to drive the radiating fan 4 to rotate to radiate the new energy automobile battery;

when the weather is better, the air guide cylinder 7 forms an air funnel by using the choke part 9, so that air flow generated by the automobile in the advancing process passes through the air guide cylinder 7 and is guided into the mounting cylinder 2 by the air guide part 6, the air flow drives the radiating fan 4 to rotate, the air flow can effectively radiate the new energy automobile battery, the air outside the automobile is effectively used as radiating air to be introduced into the automobile to radiate the battery when the automobile runs, the energy consumption required by the battery radiation is reduced, and the air inside the automobile body can be continuously circulated, updated and purified;

it is worth noting that: when the rotating motor 9d is damaged and cannot run due to bad weather, the air guide cylinder 7 can form a ventilating cylinder to carry out emergency heat dissipation treatment on the battery so as to ensure that the battery is in a safe state;

in the present embodiment: the battery shell cover 1 outside the installation cylinder 2 is fixedly embedded with the radiating fins 3 which are distributed annularly, so that the radiating efficiency of the battery shell cover 1 is improved, and the cylinder wall of the installation cylinder 2 is provided with a plurality of through holes which are distributed annularly, so that the radiating fins 3 can be conveniently radiated by airflow.

In an embodiment of the present invention, referring to fig. 1 and 6, the choke member 9 is located in the air guiding cylinder 7, the choke member 9 includes a choke disc 91, the choke disc 91 is fixedly embedded at an air inlet of the air guiding cylinder 7, the choke disc 91 is provided with an air inlet 97 for air inlet and a wind blocking pillar 96 for sealing the air inlet 97, the choke member 9 further includes a driving gear 92, the driving gear 92 is rotatably installed at a rotation center of an inner side of the choke disc 91 through a rotation shaft, a micro motor 93 for driving the driving gear 92 to rotate is fixedly installed in the choke disc 91 through a rack, the driving gear 92 is engaged with a plurality of sets of driven gears 94 installed on the choke disc 91, the plurality of sets of driven gears 94 are annularly distributed around the driving gear 92, each set of driven gears 94 is fixedly installed with a fixing ring 95, and the fixed ring 95 is fixedly connected with the wind-blocking column 96 through a connecting rod, wherein each wind-blocking column 96 with two groups of same included angles is installed on each fixed ring 95, and each wind-blocking column 96 on the fixed ring 95 is mutually matched with the wind inlet 97 arranged at the adjacent position of the wind-blocking disc 91.

It should be noted that: when the air guide cylinder 7 is used as a ventilation cylinder to introduce external air flow, the micro motor 93 is started to drive the driving gear 92 to rotate, so that the driving gear 92 drives the driven gear 94 meshed with the driving gear 92 to synchronously rotate, the air blocking column 96 covered on the air inlet 97 is driven to rotate, the air blocking column 96 and the air inlet 97 are staggered, and the air flow can flow into the air guide part 6 through the air inlet 97 in the advancing process of the automobile and then flow into the mounting cylinder 2 to dissipate heat of the new energy automobile battery;

it should also be noted that: when the new energy automobile battery can not be cooled or does not need to be cooled by utilizing external airflow, the reversing micro motor 93 enables the wind blocking column 96 to reset to the air inlet 97 corresponding to the wind blocking column, so that the wind blocking disc 91 is matched with the wind blocking column 96 to seal the air entraining cylinder 7, the external airflow can not flow into the installation cylinder 2, and the new energy automobile battery is effectively protected.

In an embodiment of the present invention, referring to fig. 1, 7, 8 and 9, a cylinder body of the air introducing cylinder 7 is fixedly connected to a cylinder bottom through a screw thread, an activated carbon column 9a for drying and purifying an introduced air flow is installed in the air introducing cylinder 7, the activated carbon column 9a is fixed by a plurality of sets of clamping components 8 installed in the air introducing cylinder 7, the clamping components 8 include a fixing piece 81, the fixing piece 81 is fixedly embedded on an inner cylinder wall of the air introducing cylinder 7, the fixing piece 81 is fixedly installed on an elastic plastic plate 82 distributed along an axial direction of the air introducing cylinder 7, a head of the elastic plastic plate 82 is fixedly installed with an embedded silica gel head 83, the fixing piece 81 is elastically connected with a pressing piece 85 through a spring 84, the activated carbon column 9a is clamped in the plurality of sets of clamping components 8, specifically, a sleeving ring 9b is fixedly sleeved on the activated carbon column 9a, and the sleeve ring 9b is inserted into the gap between the press-fit piece 85 and the embedded silicone head 83.

It should be noted that: the added activated carbon column 9a can dehumidify, remove peculiar smell and remove tiny impurities from the air flow introduced from the outside, so that the purity of the air entering the carriage is effectively ensured, when the activated carbon column 9a is installed, the cylinder body of the air induction cylinder 7 is rotated down from the cylinder bottom, the elastic plastic plate 82 is pulled upwards and outwards to press the sleeving ring 9b on the pressing sheet 85, the elastic plastic plate 82 is subsequently loosened to lock the elastic plastic plate 82 on the upper surface of the sleeving ring 9b, so that the installation of the activated carbon column 9a is completed, when the activated carbon column 9a is disassembled, the elastic plastic plate 82 is pulled downwards to slide the sleeving ring 9b from the pressing sheet 85, so that the activated carbon column 9a is convenient to replace, and when the activated carbon column 9a encounters large air flow impact, because the clamping component 8 is provided with the spring 84, the activated carbon column 9a can extrude the spring 84, so that the impact on the activated carbon column 9a can be reduced, the stability of the activated carbon column 9a is improved;

in the present embodiment: the activated carbon column 9a can adopt a composite structure of an activated carbon filter layer, a photocatalyst filter layer and a titanium dioxide filter layer, and meanwhile, the activated carbon column 9a is not limited to the above structure and can adopt other filtering column structures which can effectively dehumidify air, remove peculiar smell and reject tiny impurities.

In an embodiment of the present invention, referring to fig. 1, 4 and 5, the air guide 6 comprises a connecting manifold 61, one end of the connecting manifold 61 is communicated with the cylinder bottom of the air guide cylinder 7 through an air guide hose 64, the other end of the connecting main pipe 61 is connected with a plurality of connecting branch pipes 62 with the same specification, a rotary connector 63 is fixedly arranged on the pipe head of each connecting branch pipe 62, and the connecting branch pipe 62 is connected with the covering component 5 covering the bleed air cylinder 7 through a rotary connector 63, the covering component 5 comprises a cylinder cover 51, a metal separation net 53 is fixedly embedded in a through cavity formed on the cylinder cover 51, and a plurality of threaded connecting pipes 52 distributed annularly are fixedly arranged on the metal separation net 53, and the threaded connecting pipes 52 on the covering component 5 correspond to the rotary connectors 63 in the air guide part 6 one by one and are fixedly connected in a threaded manner.

It should be noted that: the air guide part 6 is provided with a plurality of rotary connectors 63 for shunting air, so that the introduced air flow can be dispersed into the installation cylinder 2 through the threaded connecting pipes 52 on the cylinder cover 51, when one rotary connector 63 is damaged and blocked, other air can be effectively exhausted, the metal separation net 53 arranged on the covering assembly 5 not only protects the cooling fan 4, but also enables the excessive air flow to overflow from the metal separation net 53 and the through holes on the side wall of the installation cylinder 2, so that the excessive air flow blows to the cooling fins 3, and the cooling fins 3 can also perform quick cooling.

The working principle of the driving device of the battery cooling fan of the new energy automobile provided by the invention is as follows:

when the equipment is installed, the battery shell cover 1 is buckled on a battery frame of the new energy automobile, the air entraining cylinder 7 is fixed at the edge of the frame, a mounting hole for placing the air entraining cylinder 7 can be formed in the automobile head or the automobile roof, and the air entraining cylinder 7 is consistent with the automobile head;

when the weather is heavy, such as rain, snow or fog, the air induction cylinder 7 is sealed by the aid of the wind blocking part 9, the wind blocking column 96 is reset to the corresponding air inlet hole 97 by reversing the micro motor 93, the wind blocking disc 91 is matched with the wind blocking column 96 to seal the air induction cylinder 7, and accordingly, external air flow cannot flow into the installation cylinder 2 in the advancing process of the automobile, so that the new energy automobile battery is effectively protected, at the moment, the rotating motor 9d is started to drive the cooling fan 4 to rotate to cool the new energy automobile battery, and if the rotating motor 9d is damaged and cannot run, the air induction cylinder 7 can form a ventilation cylinder to perform emergency cooling treatment on the battery to ensure that the battery is in a safe state;

when weather is better, when the air guide cylinder 7 forms an air funnel to introduce external air flow by using the wind blocking part 9, the micro motor 93 is started to drive the driving gear 92 to rotate, so that the driving gear 92 drives the driven gear 94 meshed with the driving gear 92 to rotate synchronously, the wind blocking column 96 covered on the air inlet 97 is driven to rotate, and the wind blocking column 96 and the air inlet 97 are staggered, therefore, the air flow generated in the advancing process of the automobile is guided into the installation cylinder 2 through the air guide part 6 by the air guide cylinder 7, so that the air flow drives the heat dissipation fan 4 to rotate, the air flow can effectively dissipate heat of a new energy automobile battery, the air outside the automobile is used as heat dissipation air to be introduced into the automobile to dissipate heat of the battery when the automobile runs, energy consumption required by heat dissipation of the battery is reduced, the air inside the automobile body can be continuously circulated and purified, and the air guide part 6 is provided with a plurality of rotary connectors 63 for shunting the air, therefore, the introduced air flow can be dispersed into the mounting cylinder 2 through the threaded connecting pipe 52 on the cylinder cover 51, and when one rotary connector 63 is damaged and blocked, other air can be effectively exhausted, the metal separation net 53 arranged on the covering component 5 not only protects the radiating fan 4, but also enables the excessive air flow to overflow from the metal separation net 53 and the through hole on the side wall of the mounting cylinder 2, so as to blow to the radiating fin 3, and the radiating fin 3 can also quickly radiate heat;

the activated carbon column 9a additionally arranged in the air entraining cylinder 7 can dehumidify, remove peculiar smell and remove tiny impurities from the air flow introduced from the outside, so that the purity of the air entering the carriage is effectively ensured, when the activated carbon column 9a is installed, the cylinder body of the air entraining cylinder 7 is rotated down from the cylinder bottom, the elastic plastic plate 82 is pulled upwards and outwards to press the sleeving ring 9b on the pressing sheet 85, the elastic plastic plate 82 is subsequently loosened to enable the elastic plastic plate 82 to be buckled on the upper surface of the sleeving ring 9b, so that the installation of the activated carbon column 9a is completed, when the activated carbon column 9a is disassembled, the elastic plastic plate 82 is pulled upwards and outwards to enable the sleeving ring 9b to slip from the pressing sheet 85, so that the activated carbon column 9a is convenient to replace, and when the activated carbon column 9a is impacted by large air flow, the clamping component 8 is provided with the spring 84, so that the activated carbon column 9a can extrude the spring 84, thereby reducing the impact on the activated carbon column 9a, the stability of the activated carbon column 9a is improved.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.