Efficient heat dissipation device for energy storage liquid cooling battery pack and use method of efficient heat dissipation device

Abstract

The invention relates to the technical field of new energy automobile batteries, in particular to an energy storage liquid cooling battery pack efficient heat dissipation device and a using method thereof.The energy storage liquid cooling battery pack efficient heat dissipation device comprises a box body and a top cover, a containing cavity is formed in the middle of the box body, a cooling cavity and a replacement cavity are formed in the periphery of the outer wall of the containing cavity, and a cooling assembly is arranged in the cooling cavity; a conveying pipe is arranged at the lower end of the cooling assembly, a collecting assembly is arranged at the upper end of the cooling assembly, a replacement assembly is arranged in the replacement cavity, a driving assembly and a heat dissipation assembly are arranged at the right end of the box body, the driving assembly drives the replacement assembly to convey cooling water into the conveying pipe, and the cooling water is conveyed into the cooling assembly through the conveying pipe. The cooling water is conveyed back into the replacement assembly through the collection assembly, and meanwhile, the cooling assembly is driven by the driving assembly to cool the interior of the cooling assembly and the replacement assembly; the problems that an existing heat dissipation device is poor in heat dissipation effect through an air cooling assembly, and a water cooling assembly only dissipates heat at the bottom of a battery pack and is poor in heat dissipation effect on the periphery of the battery pack are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy vehicle batteries, and in particular to a high-efficiency heat dissipation device for an energy storage liquid-cooled battery pack and a method for using the same. Background Art

[0002] The battery pack is the power source of new energy vehicles, and the quality of its working condition directly affects the reliability, safety and service life of the whole vehicle. A Chinese invention patent with application announcement number CN112259828B discloses a new energy vehicle battery pack heat dissipation device, including a box body, a box cover, a dust filter, a baffle, a battery pack assembly, an air cooling assembly, and a water cooling assembly. The device solves the problems of poor heat dissipation efficiency and effect, high heat dissipation cost, and inconvenience to people in existing new energy vehicle battery pack heat dissipation devices; a Chinese invention patent with application announcement number CN108172928B discloses a battery pack heat dissipation structure, including a base, a battery cell module, a fixing assembly and a data acquisition and wireless transmission module. The heat emitted by the battery cell module and the data acquisition and wireless transmission module can be stably transferred to the base for centralized rapid cooling, effectively preventing the battery cell module and the data acquisition and wireless transmission module from overheating.

[0003] However, the inventors found that in the actual production process, the heat dissipation effect of the heat dissipation device through the air cooling component is poor, and the water cooling component only dissipates heat to the bottom of the battery pack, and the heat dissipation effect to its surroundings is poor. Summary of the invention

[0004] The purpose of the present invention is to address the deficiencies in the prior art. A cooling cavity is opened around the outer wall of the placement cavity, a cooling assembly is arranged in the cooling cavity, a driving assembly drives a replacement assembly to deliver cooling water into a delivery pipe, the cooling water is delivered into the cooling assembly through the delivery pipe, the cooling water is delivered back to the replacement assembly through a collecting assembly, and at the same time, the driving assembly drives the heat dissipation assembly to dissipate the heat of the cooling assembly and the interior of the replacement assembly, thereby solving the problem that the existing heat dissipation device has a poor heat dissipation effect through the air cooling assembly, and the water cooling assembly only dissipates heat to the bottom of the battery pack, and has a poor heat dissipation effect on its surroundings.

[0005] In view of the above technical problems, the technical solutions adopted by the present invention are as follows:

[0006] A highly efficient heat dissipation device for an energy storage liquid-cooled battery pack comprises a box body and a top cover arranged at the upper end of the box body, a placement cavity is provided in the middle portion of the box body, a cooling cavity is provided around the outer wall of the placement cavity, a replacement cavity is provided at the lower end of the placement cavity, a cooling component is provided in the cooling cavity, a delivery pipe is provided at the lower end of the cooling component, a collecting component is provided at the upper end of the cooling component, a replacement component is provided in the replacement cavity, a driving component and a heat dissipation component are provided at the right end of the box body, the driving component drives the replacement component to deliver cooling water into the delivery pipe, the delivery pipe delivers the cooling water into the cooling component, the collecting component delivers the cooling water back to the replacement component, and the driving component drives the heat dissipation component to dissipate heat inside the cooling component and the replacement component.

[0007] Preferably, the cooling assembly comprises cooling tube a, cooling tube b, cooling tube c and cooling tube d arranged in the cooling cavity, the cooling tubes are all arranged in close contact with the outer wall of the cooling cavity, and the cooling tubes are all arranged as S-shaped pipes.

[0008] Preferably, the collecting assembly comprises a collecting pipe arranged at the upper end of the cooling assembly and a heat dissipation pipe arranged at the right end of the cooling chamber, and the heat dissipation pipe is configured as an S-shaped pipe.

[0009] As a preferred embodiment, the replacement assembly includes a replacement cylinder arranged in the replacement chamber and a screw dragon rotatably arranged in the replacement cylinder, the left end of the replacement cylinder is provided with a liquid outlet pipe connected to the delivery pipe, the right end of the replacement cylinder is provided with a liquid inlet pipe connected to the heat dissipation pipe, and the right end of the replacement cylinder is provided with a water inlet pipe.

[0010] As a preference, a cooling groove is provided in the auger, and a plurality of air inlet holes are provided at the right end of the auger.

[0011] As a preferred embodiment, the heat dissipation assembly includes a plurality of fans rotatably arranged at the right end of the box and a plurality of belts a arranged between the fans, a plurality of pulleys a are arranged at the rear end of the fans, a wind hood is arranged at the fan at the right end of the driving assembly, and an air intake duct is arranged at the left end of the wind hood.

[0012] As a preference, the driving assembly includes a driving member arranged at the right end of the box body and a rotating shaft driven by the driving member, a plurality of pulleys b are arranged on the rotating shaft, a belt b is arranged between the driving member and the fans on the left and right sides, and the driving member is connected to the auger.

[0013] As another preferred embodiment, the left end of the box body is provided with a plurality of heat dissipation holes, the right end of the box body is provided with a plurality of heat dissipation slots for fixing the fan, the right end of the displacement chamber is provided with a rotating sleeve, the right end of the auger is rotatably set in the middle part of the rotating sleeve, an air supply channel is opened in the rotating sleeve, and the air supply channel is connected to the air inlet pipe.

[0014] In addition, the present invention also provides a method for using a high-efficiency heat dissipation device for an energy storage liquid-cooled battery pack, which includes the following steps:

[0015] a. In the loading process, cooling water is injected into the displacement cylinder through the water inlet pipe, and the driving member is started, and the driving member drives the auger to rotate to transport the cooling water to the left end of the displacement cylinder;

[0016] b. In the infusion cooling process, cooling water is sent to the liquid outlet pipe through the auger, the cooling water is sent to the delivery pipe through the liquid outlet pipe, the cooling water is sent to the cooling pipe a, cooling pipe b, cooling pipe c and cooling pipe d through the delivery pipe, and the surrounding of the placement cavity is cooled through the cooling pipe a, cooling pipe b, cooling pipe c and cooling pipe d;

[0017] c. Reflux collection process, the heated cooling water is sent to the collection pipe through cooling pipe a, cooling pipe b, cooling pipe c and cooling pipe d, the heated cooling water is sent to the heat dissipation pipe through the collection pipe for cooling, the cooled cooling water is sent to the liquid inlet pipe through the heat dissipation pipe, and the cooling water is sent to the displacement cylinder through the liquid inlet pipe;

[0018] d. Heat dissipation process, the driving member drives the shaft to rotate, the pulley b on the shaft drives the belt b to make a rotary motion, the belt b drives the fans on the left and right sides of the driving member to rotate, the fan on the right side blows the cold air into the wind cover, the cold air is sent to the air transmission channel through the air intake pipe, and enters the cooling tank through the air intake hole to perform secondary cooling on the cooling water, the left side fan performs air cooling and heat dissipation on the displacement chamber, the fans on the left and right sides of the driving member drive the belt a to make a rotary motion, and the belt a drives several fans to rotate to perform air cooling and heat dissipation on the cooling chamber.

[0019] Beneficial effects of the present invention:

[0020] 1. In the present invention, a cooling cavity is opened around the outer wall of the placement cavity, a cooling component is arranged in the cooling cavity, a driving component drives a replacement component to deliver cooling water into a delivery pipe, the cooling water is delivered into the cooling component through the delivery pipe, and the cooling water is delivered back to the replacement component through the collecting component. At the same time, the driving component drives the heat dissipation component to dissipate heat to the cooling component and the interior of the replacement component, thereby improving the heat dissipation effect.

[0021] 2. In the present invention, the fan is driven to rotate in the driving assembly, and the cold air is blown into the wind cover through the fan, and the cold air is sent to the air transmission channel through the air inlet pipe, and enters the cooling tank through the air inlet hole to perform secondary cooling on the cooling water, so that the cooling water can form a water circulation in the displacement cylinder, the cooling assembly, the delivery pipe and the collection assembly, which is beneficial to reduce the heat dissipation cost and save water resources.

[0022] In summary, the device has the advantages of improving heat dissipation effect, reducing heat dissipation cost, saving water resources, etc., and is particularly suitable for the field of new energy vehicle battery technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0024] Figure 1 It is a schematic diagram of the structure of a high-efficiency heat dissipation device for a liquid-cooled energy storage battery pack;

[0025] Figure 2 It is a cross-sectional schematic diagram of a high-efficiency heat dissipation device for a liquid-cooled energy storage battery pack;

[0026] Figure 3 It is a schematic diagram of the structure of the cooling component and the collection component;

[0027] Figure 4 It is a schematic diagram of the structure of the driving component and the heat dissipation component;

[0028] Figure 5 It is a schematic diagram of the structure of the replacement component and the drive component;

[0029] Figure 6 It is a cross-sectional schematic diagram of the auger and the rotating sleeve;

[0030] Figure 7 Process flow chart for efficient heat dissipation device for liquid-cooled energy storage battery pack.

[0031] 1. Box body; 2. Top cover; 3. Cooling assembly; 4. Delivery pipe; 5. Collection assembly; 6. Replacement assembly; 7. Drive assembly; 8. Heat dissipation assembly; 9. Rotating sleeve; 11. Placement chamber; 12. Cooling chamber; 13. Replacement chamber; 14. Heat dissipation hole; 15. Heat dissipation groove; 31. Cooling pipe a; 32. Cooling pipe b; 33. Cooling pipe c; 34. Cooling pipe d; 51. Collection pipe; 52. Heat dissipation pipe; 61. Replacement cylinder; 62. Auger; 71. Drive member; 72. Rotating shaft; 73. Pulley b; 74. Belt b; 81. Fan; 82. Belt a; 83. Wind hood; 84. Air inlet pipe; 91. Air delivery channel; 611. Liquid outlet pipe; 612. Liquid inlet pipe; 613. Water inlet pipe; 621. Cooling groove; 622. Air inlet hole; 811. Pulley a. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings.

[0033] Embodiment 1

[0034] like Figures 1 to 7 As shown, a high-efficiency heat dissipation device for an energy storage liquid-cooled battery pack comprises a box body 1 and a top cover 2 arranged at the upper end of the box body 1, a placement cavity 11 is provided in the middle part of the box body 1, a cooling cavity 12 is provided around the outer wall of the placement cavity 11, a replacement cavity 13 is provided at the lower end of the placement cavity 11, a cooling component 3 is provided in the cooling cavity 12, a delivery pipe 4 is provided at the lower end of the cooling component 3, a collecting component 5 is provided at the upper end of the cooling component 3, a replacement component 6 is provided in the replacement cavity 13, a driving component 7 and a heat dissipation component 8 are provided at the right end of the box body 1, the driving component 7 drives the replacement component 6 to deliver cooling water into the delivery pipe 4, the cooling water is delivered into the cooling component 3 through the delivery pipe 4, the cooling water is delivered back to the replacement component 6 through the collecting component 5, and the heat dissipation component 8 is driven by the driving component 7 to dissipate heat inside the cooling component 3 and the replacement component 6.

[0035] It is worth mentioning here that a cooling cavity 12 is opened around the outer wall of the placement cavity 11, a cooling component 3 is arranged in the cooling cavity 12, and the driving component 7 drives the replacement component 6 to deliver cooling water into the delivery pipe 4, and the cooling water is delivered into the cooling component 3 through the delivery pipe 4, and the cooling water is delivered back to the replacement component 6 through the collecting component 5. At the same time, the driving component 7 drives the heat dissipation component 8 to dissipate heat inside the cooling component 3 and the replacement component 6, thereby improving the heat dissipation effect.

[0036] like Figure 3 As shown, the cooling assembly 3 includes a cooling pipe a31, a cooling pipe b32, a cooling pipe c33 and a cooling pipe d34 arranged in the cooling cavity 12. The cooling pipes are all arranged in contact with the outer wall of the cooling cavity 12, and the cooling pipes are all arranged as S-shaped pipes.

[0037] In this example, the cooling effect of the cooling pipes on the battery pack is improved by setting the cooling pipes as S-shaped pipes.

[0038] like Figure 3 As shown, the collecting assembly 5 includes a collecting pipe 51 arranged at the upper end of the cooling assembly 3 and a heat dissipation pipe 52 arranged at the right end of the cooling cavity 12, and the heat dissipation pipe 52 is configured as an S-shaped pipe.

[0039] In this example, by configuring the heat dissipation pipe 52 as an S-shaped pipe, the heat dissipation effect of the cooling water is improved, and the time for the fan 81 to dissipate heat for the cooling water is increased.

[0040] like Figure 5As shown, the replacement assembly 6 includes a replacement cylinder 61 arranged in the replacement chamber 13 and an auger 62 rotatably arranged in the replacement cylinder 61, the left end of the replacement cylinder 61 is provided with a liquid outlet pipe 611 connected to the delivery pipe 4, the right end of the replacement cylinder 61 is provided with a liquid inlet pipe 612 connected to the heat dissipation pipe 52, and the right end of the replacement cylinder 61 is provided with a water inlet pipe 613.

[0041] In this example, the cooling water is driven by the auger 62 to enter the delivery pipe 4 from the liquid outlet pipe 611 , and the cooling water in the heat dissipation pipe 52 is sent back to the replacement cylinder 61 through the liquid inlet pipe 612 .

[0042] like Figure 6 As shown, a cooling groove 621 is provided in the auger 62 , and a plurality of air inlet holes 622 are provided at the right end of the auger 62 .

[0043] In this example, the cooling water in the displacement cylinder 61 is cooled secondary by blowing cold air into the cooling groove 621 .

[0044] like Figure 4 , Figure 5 As shown, the heat dissipation assembly 8 includes a plurality of fans 81 rotatably arranged at the right end of the housing 1 and a plurality of belts a82 arranged between the fans 81, a plurality of pulleys a811 are arranged at the rear end of the fans 81, a wind hood 83 is arranged at the fan 81 at the right end of the driving assembly 7, and an air intake duct 84 is arranged at the left end of the wind hood 83.

[0045] like Figure 4 , Figure 5 As shown, the driving assembly 7 includes a driving member 71 arranged at the right end of the box body 1 and a rotating shaft 72 driven by the driving member 71, and a plurality of pulleys b73 are arranged on the rotating shaft 72. A belt b74 is arranged between the driving member 71 and the fans 81 on the left and right sides, and the driving member 71 is connected to the auger 62.

[0046] like Figure 2 , Figure 6 As shown, a plurality of heat dissipation holes 14 are provided at the left end of the box body 1, a plurality of heat dissipation slots 15 for fixing the fan 81 are provided at the right end of the box body 1, a rotating sleeve 9 is provided at the right end of the displacement chamber 13, the right end of the auger 62 is rotatably provided in the middle part of the rotating sleeve 9, an air delivery channel 91 is opened in the rotating sleeve 9, and the air delivery channel 91 is connected to the air intake pipe 84.

[0047] Embodiment 2

[0048] A method for using a high-efficiency heat dissipation device for an energy storage liquid-cooled battery pack, using a high-efficiency heat dissipation device for an energy storage liquid-cooled battery pack, comprising the following steps:

[0049] a. Loading process, cooling water is injected into the displacement cylinder 61 through the water inlet pipe 613, the driving member 71 is started, and the driving member 71 drives the auger 62 to rotate to deliver the cooling water to the left end of the displacement cylinder 61;

[0050] b. In the infusion cooling process, cooling water is sent to the liquid outlet pipe 611 through the auger 62, the cooling water is sent to the delivery pipe 4 through the liquid outlet pipe 611, and the cooling water is sent to the cooling pipe a31, the cooling pipe b32, the cooling pipe c33 and the cooling pipe d34 through the delivery pipe 4, and the surrounding of the placement cavity 11 is cooled by the cooling pipe a31, the cooling pipe b32, the cooling pipe c33 and the cooling pipe d34;

[0051] c. Reflux collection process, the heated cooling water is sent to the collection pipe 51 through the cooling pipe a31, the cooling pipe b32, the cooling pipe c33 and the cooling pipe d34, the heated cooling water is sent to the heat dissipation pipe 52 through the collection pipe 51 for cooling, the cooled cooling water is sent to the liquid inlet pipe 612 through the heat dissipation pipe 52, and the cooling water is sent to the displacement cylinder 61 through the liquid inlet pipe 612;

[0052] d. Heat dissipation process, the driving member 71 drives the rotating shaft 72 to rotate, the pulley b73 on the rotating shaft 72 drives the belt b74 to make a rotational motion, the belt b74 drives the fans 81 on the left and right sides of the driving member 71 to rotate, the fan 81 on the right side blows the cold air into the wind cover 83, the cold air is sent to the air delivery channel 91 through the air inlet pipe 84, and enters the cooling groove 621 through the air inlet hole 622 to perform secondary cooling of the cooling water, the left side fan 81 is used to air-cool the displacement chamber 13, the fans 81 on the left and right sides of the driving member 71 drive the belt a82 to make a rotational motion, and the belt a82 drives several fans 81 to rotate to perform air-cooling and heat dissipation in the cooling chamber 12.

[0053] It is worth mentioning here that by driving the fan 81 to rotate in the driving component 7, the cold air is blown into the wind cover 83 by the fan 81, and the cold air is sent to the air supply channel 91 through the air inlet pipe 84, and enters the cooling groove 621 through the air inlet hole 622 to perform secondary cooling on the cooling water, so that the cooling water can form a water circulation in the replacement cylinder 61, the cooling component 3, the delivery pipe 4 and the collection component 5, which is beneficial to reduce the heat dissipation cost and save water resources.

[0054] The working process is as follows:

[0055] Inject cooling water into the displacement tube 61 through the water inlet pipe 613, start the driving member 71, and drive the auger 62 to rotate through the driving member 71 to deliver the cooling water to the left end of the displacement tube 61;

[0056] The cooling water is sent to the liquid outlet pipe 611 through the auger 62, and the cooling water is sent to the delivery pipe 4 through the liquid outlet pipe 611, and the cooling water is sent to the cooling pipe a31, the cooling pipe b32, the cooling pipe c33 and the cooling pipe d34 through the delivery pipe 4, and the surroundings of the placement cavity 11 are cooled through the cooling pipe a31, the cooling pipe b32, the cooling pipe c33 and the cooling pipe d34;

[0057] The heated cooling water is sent to the collecting pipe 51 through the cooling pipe a31, the cooling pipe b32, the cooling pipe c33 and the cooling pipe d34, the heated cooling water is sent to the heat dissipation pipe 52 through the collecting pipe 51 for cooling, the cooled cooling water is sent to the liquid inlet pipe 612 through the heat dissipation pipe 52, and the cooling water is sent to the displacement cylinder 61 through the liquid inlet pipe 612;

[0058] The driving member 71 drives the rotating shaft 72 to rotate, and the pulley b73 on the rotating shaft 72 drives the belt b74 to make a rotational motion. The fans 81 on the left and right sides of the driving member 71 are driven to rotate by the belt b74. The cold air is blown into the wind cover 83 by the fan 81 on the right side, and is sent to the air delivery channel 91 through the air intake pipe 84. The cold air enters the cooling groove 621 through the air intake hole 622 to perform secondary cooling on the cooling water, and the displacement chamber 13 is air-cooled and dissipated by the left fan 81. The fans 81 on the left and right sides of the driving member 71 drive the belt a82 to make a rotational motion, and the belt a81 drives several fans 81 to rotate to perform air-cooling and dissipation of heat in the cooling chamber 12.

[0059] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art under the technical guidance of the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. An efficient heat dissipation device for an energy storage liquid-cooled battery pack, comprising a box body (1) and a top cover (2) arranged at the upper end of the box body (1), characterized in that: The box body (1) is provided with a placement cavity (11) in the middle part, the outer wall of the placement cavity (11) is provided with a cooling cavity (12) around it, the lower end of the placement cavity (11) is provided with a replacement cavity (13), a cooling component (3) is arranged in the cooling cavity (12), a delivery pipe (4) is arranged at the lower end of the cooling component (3), a collecting component (5) is arranged at the upper end of the cooling component (3), a replacement component (6) is arranged in the replacement cavity (13), and a driving component (7) and a heat dissipation component (8) are arranged at the right end of the box body (1), the driving component (7) drives the replacement component (6) to deliver cooling water into the delivery pipe (4), the cooling water is delivered into the cooling component (3) through the delivery pipe (4), the cooling water is delivered back to the replacement component (6) through the collecting component (5), and the driving component (7) drives the heat dissipation component (8) to dissipate heat inside the cooling component (3) and the replacement component (6).

2. The high-efficiency heat dissipation device for an energy storage liquid-cooled battery pack according to claim 1, characterized in that: The cooling assembly (3) comprises a cooling pipe a (31), a cooling pipe b (32), a cooling pipe c (33) and a cooling pipe d (34) arranged in a cooling cavity (12); the cooling pipes are all arranged in close contact with the outer wall of the cooling cavity (12); and the cooling pipes are all arranged as S-shaped pipes.

3. The high-efficiency heat dissipation device for an energy storage liquid-cooled battery pack according to claim 1, characterized in that: The collecting assembly (5) comprises a collecting pipe (51) arranged at the upper end of the cooling assembly (3) and a heat dissipation pipe (52) arranged at the right end of the cooling chamber (12); the heat dissipation pipe (52) is arranged as an S-shaped pipe.

4. The high-efficiency heat dissipation device for an energy storage liquid-cooled battery pack according to claim 1, characterized in that: The replacement assembly (6) comprises a replacement cylinder (61) arranged in the replacement chamber (13) and an auger (62) rotatably arranged in the replacement cylinder (61); a liquid outlet pipe (611) connected to the delivery pipe (4) is arranged at the left end of the replacement cylinder (61); a liquid inlet pipe (612) connected to the heat dissipation pipe (52) is arranged at the right end of the replacement cylinder (61); and a water inlet pipe (613) is arranged at the right end of the replacement cylinder (61).

5. The high-efficiency heat dissipation device for an energy storage liquid-cooled battery pack according to claim 4, characterized in that: A cooling groove (621) is provided in the auger (62), and a plurality of air inlet holes (622) are provided at the right end of the auger (62).

6. The high-efficiency heat dissipation device for an energy storage liquid-cooled battery pack according to claim 1, characterized in that: The heat dissipation assembly (8) comprises a plurality of fans (81) rotatably arranged at the right end of the housing (1) and a plurality of belts a (82) arranged between the fans (81); a plurality of pulleys a (811) are arranged at the rear end of each of the fans (81); a wind shield (83) is arranged at the fan (81) at the right end of the driving assembly (7); and an air intake pipe (84) is arranged at the left end of the wind shield (83).

7. The high-efficiency heat dissipation device for an energy storage liquid-cooled battery pack according to claim 4, characterized in that: The driving assembly (7) comprises a driving member (71) arranged at the right end of the housing (1) and a rotating shaft (72) driven by the driving member (71), a plurality of pulleys b (73) being arranged on the rotating shaft (72), a belt b (74) being arranged between the driving member (71) and the fans (81) on the left and right sides, and the driving member (71) being connected to the auger (62).

8. The high-efficiency heat dissipation device for an energy storage liquid-cooled battery pack according to claim 6, characterized in that: The left end of the box body (1) is provided with a plurality of heat dissipation holes (14), the right end of the box body (1) is provided with a plurality of heat dissipation slots (15) for fixing the fan (81), the right end of the displacement chamber (13) is provided with a rotating sleeve (9), the right end of the auger (62) is rotatably arranged in the middle part of the rotating sleeve (9), and an air delivery channel (91) is opened in the rotating sleeve (9), and the air delivery channel (91) is connected to the air intake pipe (84).

9. A method for using the high-efficiency heat dissipation device for an energy storage liquid-cooled battery pack according to any one of claims 1 to 8, comprising the following steps: a. In the feeding process, cooling water is injected into the displacement cylinder (61) through the water inlet pipe (613), the driving member (71) is started, and the auger (62) is driven by the driving member (71) to rotate and deliver the cooling water to the left end of the displacement cylinder (61); b. In a cooling process for infusion, cooling water is delivered to the liquid outlet pipe (611) through the auger (62), the cooling water is delivered to the delivery pipe (4) through the liquid outlet pipe (611), the cooling water is delivered to the cooling pipe a (31), the cooling pipe b (32), the cooling pipe c (33) and the cooling pipe d (34) through the delivery pipe (4), and the surroundings of the placement cavity (11) are cooled through the cooling pipe a (31), the cooling pipe b (32), the cooling pipe c (33) and the cooling pipe d (34); c. reflux collection process, sending the heated cooling water to the collection pipe (51) through the cooling pipe a (31), the cooling pipe b (32), the cooling pipe c (33) and the cooling pipe d (34), sending the heated cooling water to the heat dissipation pipe (52) through the collection pipe (51) for cooling, sending the cooled cooling water to the liquid inlet pipe (612) through the heat dissipation pipe (52), and sending the cooling water to the displacement cylinder (61) through the liquid inlet pipe (612); d. Heat dissipation process, the driving member (71) drives the rotating shaft (72) to rotate, the belt pulley b (73) on the rotating shaft (72) drives the belt b (74) to rotate, the belt b (74) drives the fans (81) on the left and right sides of the driving member (71) to rotate, the right fan (81) blows cold air into the wind cover (83), the cold air is sent to the air delivery channel (91) through the air inlet pipe (84), and enters the cooling groove (621) through the air inlet hole (622) to perform secondary cooling on the cooling water, the left fan (81) performs air cooling and heat dissipation on the displacement chamber (13), the fans (81) on the left and right sides of the driving member (71) drive the belt a (82) to rotate, and the belt a (82) drives a plurality of fans (81) to rotate to perform air cooling and heat dissipation on the cooling chamber (12).

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