A battery cooling device and a battery cooling method

Abstract

The present invention discloses a battery cooling device and cooling method, which relates to the field of battery temperature control and solves the problem of insufficient battery cooling effect. The battery cooling device and cooling method include a coolant storage tank, a liquid cooling component is installed on the top of the coolant storage tank, and the liquid cooling component can provide liquid cooling for the battery, and the liquid cooling component includes a liquid cooling pipe; an air cooling component, an air cooling component is installed on one side of the liquid cooling pipe, and the air cooling component includes a hollow conical bottle, and the hollow conical bottle can enhance the air cooling effect; a supercharging component is installed inside the coolant storage tank, and the supercharging component can speed up the flow rate of the coolant, and the air cooling component can provide power to the supercharging component at the same time; in the present invention, the liquid cooling pipes surrounding the outside of the battery module and the annularly distributed liquid cooling pipes can cool the battery in all directions, and the cooling device only cools one side, and there will be a temperature difference on the battery surface, which affects the battery life.

Description

Technical Field

[0001] The invention relates to the field of battery temperature control, and in particular to a battery cooling device and a battery cooling method. Background Art

[0002] With the development of the times, the exploitation of non-renewable resources has gradually dried up. New energy vehicles have begun to occupy the market with the advantage of environmental protection and energy saving, which is to change energy from oil to batteries. Batteries are widely used in the development of modern industries. They are not only used in the automotive industry, but also in other mobile appliances. Higher energy density is the future development direction of power batteries. However, the continuous high temperature of high energy density power batteries will not only affect the performance of electrical appliances, but also affect the battery life and safety. Therefore, as an important component to ensure battery stability, the development of cooling technology is conducive to battery state control. The more mature the cooling technology is, the more secure the battery use will be.

[0003] The existing Chinese patent with publication number CN115764076B discloses a battery module and a battery pack, wherein the battery module includes a hollow battery cell and a shell, the shell includes an upper cooling part, a lower cooling part and a side cooling part, the side cooling part is supported between the upper cooling part and the upper cooling part, the upper cooling part, the lower cooling part and the side cooling part are respectively in contact with the upper end, the lower end and the side wall of the battery cell arranged in a matrix and seal the battery cell in the shell, and the upper cooling part, the lower cooling part and the side cooling part are all provided with a cavity for accommodating a cooling medium. In the battery module and the battery pack of the present invention, the shell can cool the upper end and the lower end of the battery cell arranged in a matrix through the upper cooling part and the lower cooling part, and can cool the side wall of the battery cell arranged in a matrix through the side cooling part, thereby improving the overall cooling effect of the battery cell arranged in a matrix;

[0004] However, the battery module and battery pack still have the following defects

[0005] 1. The battery module cools the battery by placing a cavity for accommodating a cooling medium between the battery modules and placing a cooling medium in the cavity. However, the cooling method of the device is single and the energy consumption of liquid cooling is large. In actual application, the liquid-cooled power motor needs to be cooled when the device is working.

[0006] 2. In addition, the design of the device fitting the battery module limits the application scope of the battery cooling equipment, and the overly irregular shape also limits the flow speed of the coolant and the cooling efficiency. Summary of the invention

[0007] The object of the present invention is to provide a battery cooling device and a cooling method to solve the problems raised in the above background technology.

[0008] The technical solution of the present invention is: a battery cooling device and cooling method, comprising a coolant reserve tank, a liquid cooling assembly is installed on the top of the coolant reserve tank, and the liquid cooling assembly can provide liquid cooling for the battery, the liquid cooling assembly comprises a liquid cooling pipe, and the liquid cooling pipe is installed on the top of the coolant reserve tank;

[0009] An air cooling component is installed on one side of the liquid cooling tube, and the air cooling component can cool the battery, the air cooling component includes a hollow conical bottle, and the hollow conical bottle is installed at the air outlet of the air cooling component, and the hollow conical bottle can enhance the air cooling effect;

[0010] A supercharging component is installed inside the coolant storage tank, and the supercharging component can speed up the flow rate of the coolant, and the air-cooling component can provide power to the supercharging component at the same time.

[0011] Further, the liquid cooling tube is tubular and distributed in a surrounding shape around the battery, one end of the liquid cooling tube is connected to a first connecting elbow, and one side of the first connecting elbow is connected to a first connecting straight tube, one side of the first connecting straight tube is connected to a first connecting tee, the top of the first connecting tee is connected to a first opening and closing valve, one side of the first connecting tee is equipped with a first connecting pipe port, and the bottom end of the first connecting pipe port is connected to the inside of the coolant storage tank through and through, and

[0012] The other end of the liquid cooling pipe is connected to a second connecting straight pipe, and a second connecting elbow is installed on one side of the second connecting straight pipe, a second connecting tee is installed on one side of the second connecting elbow, and a second opening and closing valve is installed on one end of the second connecting tee, and a second connecting pipe port is connected to one side of the second connecting tee, and the bottom end of the second connecting pipe port is connected to the inside of the coolant storage tank through and through, and

[0013] The bottom end of the coolant storage tank is externally connected with a circulation pump.

[0014] Furthermore, a reserve tank top plate is installed on the top of the coolant reserve tank, and an air cooling component is fixed on one side of the top of the reserve tank top plate. The air cooling component also includes a support base, and a power motor is fixed on one side of the support base. The output end of the power motor is connected to a fan blade, and one end of the fan blade is installed with a support back plate.

[0015] Furthermore, a support frame is installed on one side of the power motor, and the bottom of the support frame is fixed by a bracket and a top plate of the reserve box.

[0016] A hollow conical bottle is fixed to one end of the support frame close to the battery, and the hollow conical bottle has an irregular shape with one end larger than the other end. The diameter of the end of the hollow conical bottle close to the battery gradually decreases, and the interior of the hollow conical bottle is hollow.

[0017] Furthermore, a heat sink fin is installed at the edge of the support frame near one end of the battery, and the interior of the heat sink fin is a hollow triangular cone shape. The heat sink fins are provided in multiple groups and are divided into annular sections about the midline of the support frame.

[0018] Furthermore, the output end of the power motor is connected to a connecting rod, and the connecting rod and the support frame are connected through, a positioning clamp is installed at the connection between the support frame and the connecting rod, and positioning grooves are inlaid on the four sides of the positioning clamp, and a fixed plug rod is passed through the tail end of the connection between the connecting rod and the support frame, and the fixed plug rod and the positioning groove are engaged and connected.

[0019] Furthermore, the output end of the power motor is connected to a transmission belt, and the bottom end of the transmission belt is in contact with a transmission roller.

[0020] A connecting nut is installed at one end of the transmission crawler, and one end of the connecting nut is connected to a support rod, one end of the support rod is installed with a first stabilizing side plate, and the other end of the support rod is installed with a second stabilizing side plate. A fixing plug-in is installed at the connection between the connecting nut, the first stabilizing side plate and the support rod.

[0021] A supporting thin plate is installed between the first stable side plate and the second stable side plate, and a plurality of supporting thin plates are provided. The supporting thin plates are in a sheet-like shape.

[0022] Furthermore, an arc-shaped stirring blade is connected between the supporting thin plates, and two ends of the arc-shaped stirring blade are respectively installed on the first stable side plate and the second stable side plate, and the arc-shaped stirring blade has an arc-shaped sheet shape.

[0023] Furthermore, protective pads are fixed to the top and bottom ends of the liquid cooling tube, and the protective pads have supporting force and elasticity.

[0024] A battery cooling method comprises the following steps:

[0025] S1. First, place the battery in the middle of the liquid cooling tube, start the external circulation pump of the liquid cooling assembly and the power motor, open the first opening and closing valve and the second opening and closing valve, so that the antifreeze coolant in the coolant reserve tank can circulate in the liquid cooling tube, and the four sides of the battery can be cooled by the surrounding shape of the liquid cooling tube;

[0026] S2. The turned-on power motor drives the support rod to rotate through the transmission track and the transmission roller, and the support rod drives the support thin plate and the arc-shaped stirring blade to rotate. When the arc-shaped stirring blade rotates, it will speed up the flow rate of the antifreeze coolant inside the coolant reserve tank, achieving a pressurization effect;

[0027] S3. The turned-on power motor drives the fan blades to rotate. The wind energy generated by the fan blades blows toward the battery through the hollow conical bottle. The aperture of the hollow conical bottle close to the battery gradually decreases. When the air passes through the hollow conical bottle, the airflow moves from the large aperture to the small aperture, and the flow rate becomes faster. The temperature of the gas decreases as the aperture decreases, which plays a role in enhancing the air cooling effect.

[0028] S4. The fan blades can be disassembled and installed by the fixed plug rod and the connecting rod to facilitate timely cleaning of dust on the surface of the device. The support frame and other parts passing through the connecting rod can be disassembled by pulling out the fixed plug rod, and the fixed plug rod and the positioning groove are snap-connected to facilitate the insertion of the fixed plug rod from different angles.

[0029] The present invention provides a battery cooling device and cooling method by improvement, which have the following improvements and advantages compared with the prior art:

[0030] Firstly, by using the liquid cooling tube surrounding the outside of the battery module, the battery inside the liquid cooling tube can be cooled. The ring-shaped liquid cooling tube can cool the battery in all directions. Because when the cooling device only cools the back, there will be a temperature difference between the front and back, and the temperature difference will have a certain impact on the battery life. The liquid cooling tube has strong inclusiveness. When in use, the battery is placed in the liquid cooling tube to evenly cool the four directions of the battery. The liquid cooling technology uses antifreeze coolant as the heat exchange medium to control the temperature between battery cells, and the heating and cooling efficiency is higher than that of air cooling.

[0031] Secondly, the liquid cooling component cooperates with the air cooling component to enhance the cooling effect, reducing the energy consumption during liquid cooling. The power motor is also arranged inside the device to facilitate cooling the liquid-cooled motor at the same time in actual application. The air cooling component is placed at one end of the liquid cooling pipe, and the wind is passed through the vacant front and rear directions to facilitate air flow. The air cooling technology uses flowing air as a heat exchange medium for cooling. Active air cooling first cools the external air and uses the external air for direct heat exchange. The air cooling technology has the advantages of light weight and low cost. Because its structure is not complicated, it is easy to maintain later.

[0032] Thirdly, the air-cooling component uses air cooling in conjunction with a hollow conical bottle to achieve local cooling. Its mechanism lies in two points. First, when air passes through the hollow conical bottle, the surface temperature of the conical bottle is lower than the indoor temperature, causing the temperature of the air to drop after contacting the bottle wall, thereby achieving a cooling effect. The airflow velocity becomes faster from a large aperture to a small aperture, and the temperature of the gas decreases as the aperture decreases, which is similar to the "narrow pipe effect" in geography, thereby enhancing the air-cooling effect. In addition, the hollow conical bottle also has the ability to store cold, so that the air blowing through it is additionally cooled, which is cooler than the air that has not passed through the hollow conical bottle. It is suitable for local cooling of the battery surface, and when the air-cooling component is working, the power motor drives the supercharging component to start through the crawler drive, and increases the flow rate of the coolant by increasing the pressure of the coolant. Accelerating the flow rate can enhance the cooling effect of liquid cooling, reduce the cost of a motor, and reduce the heat dissipation problem of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The present invention will be further explained below in conjunction with the accompanying drawings and Examples:

[0034] Figure 1 It is a schematic diagram of the three-dimensional appearance structure of the present invention;

[0035] Figure 2 It is a schematic diagram of the first three-dimensional internal structure of the present invention;

[0036] Figure 3 It is a second three-dimensional internal structure schematic diagram of the present invention;

[0037] Figure 4 It is a schematic three-dimensional cross-sectional view of the interior of the first liquid cooling tube of the present invention;

[0038] Figure 5 It is a schematic three-dimensional cross-sectional view of the interior of the second liquid cooling tube of the present invention;

[0039] Figure 6 It is a schematic diagram of the first three-dimensional structure of the air cooling assembly of the present invention;

[0040] Figure 7 It is a schematic diagram of the second three-dimensional structure of the air cooling assembly of the present invention;

[0041] Figure 8 It is a schematic diagram of a partial three-dimensional structure of an air-cooling component of the present invention;

[0042] Fig. 9 For the present invention Figure 8 A partial enlarged schematic diagram in the middle;

[0043] Fig.10 It is a schematic diagram of the three-dimensional structure of the booster assembly of the present invention.

[0044] Description of reference numerals: 1. Coolant storage tank; 2. Liquid cooling assembly; 201. Liquid cooling pipe; 202. First connecting elbow; 203. First connecting straight pipe; 204. First connecting pipe port; 205. First opening and closing valve; 206. First connecting tee; 207. Second connecting pipe port; 208. Second opening and closing valve; 209. Second connecting tee; 210. Second connecting elbow; 211. Second connecting straight pipe; 3. Protective pad; 4. Air cooling assembly; 401. Power motor; 402. Support base; 403. Support frame; 404, fan blades; 405, support back plate; 406, transmission track; 407, heat sink fins; 408, hollow conical bottle; 409, connecting rod; 410, fixed plug rod; 411, positioning clamp; 412, positioning groove; 5, reserve box top plate; 6, booster assembly; 601, transmission roller; 602, connecting nut; 603, fixed plug-in; 604, first stable side plate; 605, support thin plate; 606, arc-shaped stirring knife; 607, second stable side plate; 608, support rod. DETAILED DESCRIPTION

[0045] The following will be combined with the attached Figures 1 to 10 The present invention is described in detail, and the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] The present invention provides a battery cooling device and a cooling method by improving Figure 1-Figure 10 As shown, a battery cooling device and cooling method include a coolant storage tank 1, a liquid cooling assembly 2 is installed on the top of the coolant storage tank 1, and the liquid cooling assembly 2 can provide liquid cooling for the battery, the liquid cooling assembly 2 includes a liquid cooling pipe 201, and the liquid cooling pipe 201 is installed on the top of the coolant storage tank 1. When in use, the battery is first placed in the middle of the liquid cooling pipe 201, and the external circulation pump of the liquid cooling assembly 2 is started, and the battery inside the liquid cooling pipe 201 is cooled by the liquid cooling pipe 201 surrounding the outside of the battery module;

[0047] The liquid cooling tube 201 is tubular and is distributed around the battery. The annularly distributed liquid cooling tube 201 can cool the battery in all directions. When the cooling device only cools the back, there will be a temperature difference between the front and back, which will have a certain impact on the battery life. The liquid cooling tube 201 has strong tolerance. When in use, the battery can be placed in the liquid cooling tube 201 to evenly cool the four directions of the battery. The liquid cooling technology uses antifreeze coolant as a heat exchange medium to control the temperature between the battery cells, and the heating and cooling The efficiency of temperature control is higher than that of air cooling; one end of the liquid cooling pipe 201 is connected to the first connecting elbow 202, and one side of the first connecting elbow 202 is connected to the first connecting straight pipe 203, one side of the first connecting straight pipe 203 is connected to the first connecting tee 206, the top of the first connecting tee 206 is connected to the first opening and closing valve 205, one side of the first connecting tee 206 is equipped with a first connecting pipe port 204, and the bottom end of the first connecting pipe port 204 is connected to the inside of the coolant storage tank 1, and

[0048] The other end of the liquid cooling pipe 201 is connected to a second connecting straight pipe 211, and a second connecting elbow 210 is installed on one side of the second connecting elbow 210, a second connecting tee 209 is installed on one side of the second connecting tee 209, and a second opening and closing valve 208 is installed on one end of the second connecting tee 209, and a second connecting pipe port 207 is connected to one side of the second connecting tee 209, and the bottom end of the second connecting pipe port 207 is connected to the inside of the coolant storage tank 1, and

[0049] The bottom end of the coolant storage tank 1 is externally connected to a circulation pump;

[0050] Air cooling component 4, an air cooling component 4 is installed on one side of the liquid cooling tube 201, and the air cooling component 4 is placed at one end of the liquid cooling tube 201, and air is passed through the vacant front and rear directions to facilitate air flow. The air cooling technology uses flowing air as a heat exchange medium for cooling. Active air cooling first cools the external air and uses the external air for direct heat exchange. The air cooling technology has the advantages of light weight and low cost. Because its structure is not complicated, it is convenient for later maintenance. The air cooling component 4 can cool the battery. The liquid cooling component 2 also cooperates with the air cooling component 4 to enhance the cooling effect and reduce the energy consumption during liquid cooling. The air cooling component 4 includes a hollow conical bottle 408 and a power motor 401. The first opening and closing valve 205 and the second opening and closing valve 208 are opened, so that the antifreeze coolant in the coolant storage tank 1 can circulate in the liquid cooling tube 201. The shape surrounded by the liquid cooling tube 201 allows the four sides of the battery to be cooled.

[0051] The hollow conical bottle 408 is installed at the air outlet of the air cooling component 4, and the hollow conical bottle 408 can enhance the air cooling effect;

[0052] A reserve tank top plate 5 is installed at the top of the coolant reserve tank 1, and an air cooling assembly 4 is fixed to one side of the top of the reserve tank top plate 5. The air cooling assembly 4 also includes a support base 402, and a power motor 401 is fixed to one side of the support base 402. The power motor 401 is also arranged inside the device to facilitate cooling the liquid-cooled motor at the same time in actual application. The output end of the power motor 401 is connected to a fan blade 404. The turned-on power motor 401 drives the fan blade 404 to rotate, and a support back plate 405 is installed at one end of the fan blade 404;

[0053] A support frame 403 is installed on one side of the power motor 401, and the bottom of the support frame 403 is fixed by a bracket and a top plate 5 of the storage box.

[0054] A hollow conical bottle 408 is fixed to one end of the support frame 403 close to the battery. The wind energy generated by the fan blades 404 is blown toward the battery through the hollow conical bottle 408, and the hollow conical bottle 408 has an irregular shape with one end larger than the other end. The diameter of the hollow conical bottle 408 close to the battery gradually decreases. When air passes through the hollow conical bottle 408, the airflow goes from the large aperture to the small aperture, and the flow rate becomes faster. The temperature of the gas decreases as the aperture decreases, which is similar to the "narrow pipe effect" in geography, thereby enhancing the air cooling effect. The diameter of the end of the hollow conical bottle 408 close to the battery gradually decreases, and the interior of the hollow conical bottle 408 is hollow. The air cooling component 4 uses air cooling in conjunction with the hollow conical bottle 408 to achieve local cooling. The mechanism also lies in two points. First, when air passes through the hollow conical bottle 408, the surface temperature of the conical bottle is lower than the indoor temperature, causing the temperature of the air to drop after contacting the bottle wall, achieving a cooling effect. The airflow is from a large aperture to a small aperture. In addition, the hollow conical bottle 408 also has a cold storage capacity, so that the air blown through is additionally cooled, which is cooler than the air that has not passed through the hollow conical bottle 408, and is suitable for local cooling of the battery surface.

[0055] A heat sink 407 is installed at the edge of the support frame 403 near one end of the battery, and the interior of the heat sink 407 is in a hollow triangular cone shape. The heat sink 407 is provided with multiple groups, and the heat sink 407 is divided into a central ring portion of the support frame 403. The function of the heat sink 407 is to enhance the heat dissipation effect through the hollow shape and speed up the air flow speed;

[0056] The output end of the power motor 401 is connected with a connecting rod 409, and the connecting rod 409 and the support frame 403 are connected through, and a positioning snap ring 411 is installed at the connection between the support frame 403 and the connecting rod 409, and positioning grooves 412 are inlaid on the four edges of the positioning snap ring 411, and a fixing plug rod 410 is passed through the tail end of the connection between the connecting rod 409 and the support frame 403. The fan blade 404 can be disassembled and installed by the fixing plug rod 410 and the connecting rod 409 to facilitate timely cleaning of dust on the surface of the device, and the support frame 403 and other parts passing through the connecting rod 409 can be disassembled by pulling out the fixing plug rod 410, and the fixing plug rod 410 and the positioning groove 412 are engaged and connected, and the fixing plug rod 410 and the positioning groove 412 are engaged and connected to facilitate the insertion of the fixing plug rod 410 from different angles;

[0057] A supercharger assembly 6 is installed inside the coolant storage tank 1, and the supercharger assembly 6 can speed up the flow rate of the coolant, and the air cooling assembly 4 can provide power to the supercharger assembly 6 at the same time;

[0058] The output end of the power motor 401 is connected to a transmission crawler 406, and the bottom end of the transmission crawler 406 is in contact with a transmission roller 601;

[0059] A connecting nut 602 is installed at one end of the transmission track 406, and a support rod 608 is connected to one end of the connecting nut 602. The turned-on power motor 401 drives the support rod 608 to rotate through the transmission track 406 and the transmission roller 601. A first stabilizing side plate 604 is installed at one end of the support rod 608, and a second stabilizing side plate 607 is installed at the other end of the support rod 608. A fixing plug-in 603 is installed at the connection between the connecting nut 602, the first stabilizing side plate 604 and the support rod 608;

[0060] A supporting thin plate 605 is installed between the first stable side plate 604 and the second stable side plate 607, and the supporting thin plates 605 are provided in multiple groups, and the supporting thin plates 605 are in a sheet-like shape;

[0061] An arc-shaped stirring blade 606 is connected between the supporting thin plates 605, and the two ends of the arc-shaped stirring blade 606 are respectively installed on the first stable side plate 604 and the second stable side plate 607. The arc-shaped stirring blade 606 has an arc-shaped sheet shape. The supporting rod 608 drives the supporting thin plates 605 and the arc-shaped stirring blade 606 to rotate. When the arc-shaped stirring blade 606 rotates, it will speed up the flow rate of the antifreeze coolant inside the coolant storage tank 1, achieving a pressurization effect.

[0062] The top and bottom ends of the liquid cooling tube 201 are both fixed with protective pads 3, and the protective pads 3 have supporting force and elasticity, and the protective pads 3 have the functions of reducing noise and protecting the liquid cooling tube 201;

[0063] A battery cooling method comprises the following steps:

[0064] S1. First, place the battery in the middle of the liquid cooling tube 201, start the external circulation pump of the liquid cooling assembly 2 and the power motor 401, open the first opening and closing valve 205 and the second opening and closing valve 208, so that the antifreeze coolant in the coolant reserve tank 1 can circulate in the liquid cooling tube 201, and the surrounding shape of the liquid cooling tube 201 can cool down the four sides of the battery;

[0065] S2, the turned-on power motor 401 drives the support rod 608 to rotate through the transmission track 406 and the transmission roller 601, and the support rod 608 drives the support thin plate 605 and the arc-shaped stirring blade 606 to rotate. When the arc-shaped arc-shaped stirring blade 606 rotates, the flow rate of the antifreeze coolant inside the coolant storage tank 1 will be accelerated, achieving a pressurization effect;

[0066] S3, the turned-on power motor 401 drives the fan blades 404 to rotate, and the wind energy generated by the fan blades 404 is blown toward the battery through the hollow conical bottle 408. The aperture of the hollow conical bottle 408 close to the battery gradually decreases. When the air passes through the hollow conical bottle 408, the airflow is from the large aperture to the small aperture, and the flow rate becomes faster. The temperature of the gas decreases as the aperture decreases, which plays a role in enhancing the air cooling effect;

[0067] S4. The fan blades 404 can be disassembled and installed by the fixed plug rod 410 and the connecting rod 409 to facilitate timely cleaning of the dust on the surface of the device. The support frame 403 and other parts passing through the connecting rod 409 can be disassembled by pulling out the fixed plug rod 410. The fixed plug rod 410 and the positioning groove 412 are connected by snapping to facilitate the insertion of the fixed plug rod 410 from different angles.

[0068] Working principle: First, place the battery in the middle of the liquid cooling tube 201, start the external circulation pump of the liquid cooling component 2 and the power motor 401, open the first opening and closing valve 205 and the second opening and closing valve 208, so that the antifreeze coolant in the coolant storage tank 1 can circulate in the liquid cooling tube 201, and the surrounding shape of the liquid cooling tube 201 can cool down the four sides of the battery. The annular liquid cooling tube 201 can cool down the battery in all directions. Because when the cooling device only cools down one side, there will be a temperature difference between the front and back sides, and the temperature difference will have a certain impact on the battery life;

[0069] The turned-on power motor 401 drives the support rod 608 to rotate through the transmission track 406 and the transmission roller 601, and the support rod 608 drives the support plate 605 and the arc-shaped stirring blade 606 to rotate. The arc-shaped stirring blade 606 will accelerate the flow rate of the antifreeze coolant inside the coolant storage tank 1 when rotating, which has the effect of boosting the pressure, and 6 accelerates the air flow rate. By increasing the pressure of the coolant, the flow rate of the coolant is increased, and the accelerated flow rate can enhance the cooling effect of the liquid cooling, and reduce the cost of a motor and reduce the heat dissipation problem of the motor.

[0070] Then, when the power motor 401 is turned on, the fan blades 404 will be driven to rotate. The wind energy generated by the fan blades 404 will be blown toward the battery through the hollow conical bottle 408. The aperture of the hollow conical bottle 408 close to the battery gradually becomes smaller. When the air passes through the hollow conical bottle 408, the airflow changes from a large aperture to a small aperture, and the flow rate becomes faster. The temperature of the gas decreases as the aperture decreases, thereby enhancing the air cooling effect. In addition, the hollow conical bottle 408 also has the ability to store cold, so that the air blown through is additionally cooled, which is cooler than the air that has not passed through the hollow conical bottle 408, and is suitable for local cooling of the battery surface. Another point is that when the air passes through the hollow conical bottle 408, because the surface temperature of the conical bottle is lower than the indoor temperature, the temperature of the air drops after contacting the bottle wall, thereby achieving a cooling effect.

[0071] Finally, the fan blades 404 can be disassembled and installed by fixing the plug rod 410 and the connecting rod 409 to facilitate timely cleaning of dust on the surface of the device. The support frame 403 and other components passing through the connecting rod 409 can be removed by pulling out the fixing plug rod 410, and the fixing plug rod 410 and the positioning groove 412 are snap-connected to facilitate the insertion of the fixing plug rod 410 from different angles.

[0072] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A battery cooling device, comprising a coolant storage tank (1), characterized in that: A liquid cooling assembly (2) is installed at the top of the coolant reserve tank (1), and the liquid cooling assembly (2) can provide liquid cooling for the battery; the liquid cooling assembly (2) comprises a liquid cooling pipe (201), and the liquid cooling pipe (201) is installed at the top of the coolant reserve tank (1); An air cooling component (4), wherein the air cooling component (4) is installed on one side of the liquid cooling tube (201), and the air cooling component (4) is capable of air cooling the battery, the air cooling component (4) comprises a hollow conical bottle (408), and the hollow conical bottle (408) is installed at the air outlet of the air cooling component (4), and the hollow conical bottle (408) is capable of enhancing the air cooling effect; A supercharging component (6) is installed inside the coolant storage tank (1), and the supercharging component (6) is capable of accelerating the flow rate of the coolant, and the air cooling component (4) is capable of providing power to the supercharging component (6) at the same time; The liquid cooling tube (201) is tubular and is distributed in a surrounding shape around the battery; one end of the liquid cooling tube (201) is connected to a first connecting elbow (202), and one side of the first connecting elbow (202) is connected to a first connecting straight tube (203); one side of the first connecting straight tube (203) is connected to a first connecting tee (206); the top end of the first connecting tee (206) is connected to a first opening and closing valve (205); one side of the first connecting tee (206) is equipped with a first connecting pipe port (204), and the bottom end of the first connecting pipe port (204) is connected to the inside of the cooling liquid storage tank (1); and The other end of the liquid cooling pipe (201) is connected to a second connecting straight pipe (211), and a second connecting elbow (210) is installed on one side of the second connecting elbow (210), a second connecting tee (209) is installed on one side of the second connecting tee (209), and a second opening and closing valve (208) is installed on one end of the second connecting tee (209), and a second connecting pipe port (207) is connected to one side of the second connecting tee (209), and the bottom end of the second connecting pipe port (207) is connected to the inside of the cooling liquid storage tank (1), and The bottom end of the coolant storage tank (1) is externally connected to a circulation pump; A reserve tank top plate (5) is installed at the top of the coolant reserve tank (1), and an air cooling component (4) is fixed to one side of the top of the reserve tank top plate (5), the air cooling component (4) further comprises a support base (402), and a power motor (401) is fixed to one side of the support base (402), the output end of the power motor (401) is connected to a fan blade (404), and one end of the fan blade (404) is installed with a support back plate (405); The booster assembly (6) comprises a transmission roller (601), a connecting nut (602), a support rod (608), a first stabilizing side plate (604), a second stabilizing side plate (607), a fixing plug-in (603) and a supporting thin plate (605). The output end of the power motor (401) is connected to a transmission crawler belt (406), and the bottom end of the transmission crawler belt (406) is in contact with a transmission roller wheel (601). A connecting nut (602) is installed at one end of the drive crawler belt (406), and one end of the connecting nut (602) is connected to a support rod (608), a first stabilizing side plate (604) is installed at one end of the support rod (608), and a second stabilizing side plate (607) is installed at the other end of the support rod (608), and a fixing plug-in (603) is installed at the connection between the connecting nut (602), the first stabilizing side plate (604) and the support rod (608). A supporting thin plate (605) is installed between the first stabilizing side plate (604) and the second stabilizing side plate (607), and a plurality of groups of supporting thin plates (605) are provided. The supporting thin plates (605) are in a sheet-like shape.

2. A battery cooling device according to claim 1, characterized in that: A support frame (403) is installed on one side of the power motor (401), and the bottom of the support frame (403) is fixed by a bracket and a top plate (5) of the storage box. A hollow conical flask (408), wherein the hollow conical flask (408) is fixed to one end of the support frame (403) close to the battery, and the hollow conical flask (408) is of a special shape with one end being larger and the other end being smaller, and the diameter of the hollow conical flask (408) gradually decreases at the end close to the battery, and the interior of the hollow conical flask (408) is hollow.

3. A battery cooling device according to claim 2, characterized in that: A heat dissipation fin (407) is installed at the edge of the support frame (403) close to one end of the battery, and the interior of the heat dissipation fin (407) is in a hollow triangular cone shape. The heat dissipation fin (407) is provided in multiple groups and is divided into annular sections about the center line of the support frame (403).

4. A battery cooling device according to claim 2, characterized in that: The output end of the power motor (401) is connected to a connecting rod (409), and the connecting rod (409) and the support frame (403) are connected through the connecting rod (409), a positioning clamp ring (411) is installed at the connection between the support frame (403) and the connecting rod (409), and the four edges of the positioning clamp ring (411) are inlaid with positioning grooves (412), and a fixed plug rod (410) is passed through the tail end of the connection between the connecting rod (409) and the support frame (403), and the fixed plug rod (410) and the positioning groove (412) are snap-fitted and connected.

5. A battery cooling device according to claim 1, characterized in that: An arc-shaped stirring blade (606) is connected between the supporting thin plates (605), and two ends of the arc-shaped stirring blade (606) are respectively mounted on the first stable side plate (604) and the second stable side plate (607), and the arc-shaped stirring blade (606) has an arc-shaped sheet shape.

6. A battery cooling device according to claim 1, characterized in that: A protective pad (3) is fixed to the top and bottom ends of the liquid cooling tube (201), and the protective pad (3) has supporting force and elasticity.

7. A battery cooling method, comprising a battery cooling device as claimed in any one of claims 1 to 6, characterized in that , including the following steps: S1, firstly, place the battery in the middle of the liquid cooling tube (201), start the external circulation pump of the liquid cooling component (2) and the power motor (401), open the first opening and closing valve (205) and the second opening and closing valve (208), so that the antifreeze coolant in the coolant storage tank (1) can circulate in the liquid cooling tube (201), and the four sides of the battery can be cooled by the surrounding shape of the liquid cooling tube (201); S2, the turned-on power motor (401) drives the support rod (608) to rotate via the transmission track (406) and the transmission roller (601), and the support rod (608) drives the support thin plate (605) and the arc-shaped stirring blade (606) to rotate. When the arc-shaped stirring blade (606) rotates, it accelerates the flow rate of the antifreeze coolant inside the coolant storage tank (1), achieving a pressurization effect; S3, the turned-on power motor (401) drives the fan blades (404) to rotate, and the wind energy generated by the fan blades (404) is blown toward the battery through the hollow conical bottle (408). The aperture of the hollow conical bottle (408) close to the battery gradually decreases. When air passes through the hollow conical bottle (408), the airflow changes from the large aperture to the small aperture, and the flow rate becomes faster. The temperature of the gas decreases as the aperture decreases, thereby enhancing the air cooling effect; S4. The fan blades (404) can be disassembled and installed through the fixed plug rod (410) and the connecting rod (409), so that dust on the surface of the device can be cleaned in a timely manner. The support frame (403) and other parts passing through the connecting rod (409) can be disassembled by pulling out the fixed plug rod (410). The fixed plug rod (410) and the positioning groove (412) are snap-fitted and connected, so that the fixed plug rod (410) can be inserted from different angles.

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