Efficient liquid cooling energy storage module and energy storage cooling system thereof

Abstract

The invention provides an efficient liquid cooling energy storage module and an energy storage cooling system thereof. Relates to the technical field of energy storage. The device comprises a placement box with the upper portion and the lower portion being open, four supporting legs are fixedly installed at the bottom of the placement box, a liquid cooling heat conduction placement plate is fixedly installed in the placement box, a plurality of battery monomers are arranged at the top of the liquid cooling heat conduction placement plate, and the battery monomers are connected in series to form an energy storage battery. A snake-shaped cooling pipeline is arranged in the liquid-cooling heat-conducting placement plate, a heat-conducting cooling box is fixedly mounted below the liquid-cooling heat-conducting placement plate, a cooling liquid pump is fixedly mounted in the heat-conducting cooling box, and a liquid outlet pipe is fixedly mounted at a liquid outlet of the cooling liquid pump. The efficient liquid cooling energy storage module and the energy storage cooling system thereof have the advantages that use is convenient, operation is easy, cooling liquid is rapidly cooled, and the cooling efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of energy storage, and particularly to an efficient liquid-cooled energy storage module and its energy storage cooling system. Background Art

[0002] With the large-scale application of renewable energy and the continuous increase in the demand for energy storage in the power system, energy storage technology has developed rapidly. Among various energy storage methods, battery energy storage is widely used due to its advantages such as fast response speed and high energy density. During the charging and discharging process of the battery, a large amount of heat is generated. If the heat cannot be dissipated in a timely and effective manner, it will cause the battery temperature to be too high, which will in turn affect the performance and life of the battery, and even lead to safety problems.

[0003] The existing energy storage cooling methods are mainly liquid cooling. However, when the existing liquid cooling dissipates heat, it is unable to quickly cool its coolant, resulting in the coolant having to cool down slowly by itself, with a very low cooling speed, which affects the heat dissipation efficiency.

[0004] Therefore, it is necessary to provide an efficient liquid-cooled energy storage module and its energy storage cooling system to solve the above technical problems.

[0005] Summary of the Invention The technical problem solved by the present invention is to provide an efficient liquid-cooled energy storage module and its energy storage cooling system that are convenient to use, simple to operate, can quickly dissipate heat from the coolant, and improve the heat dissipation efficiency.

[0006] To solve the above technical problems, the efficient liquid-cooled energy storage module and its energy storage cooling system provided by the present invention include a placement box with openings at both the top and bottom. Four support legs are fixedly installed at the bottom of the placement box. A liquid-cooled heat-conducting placement plate is fixedly installed inside the placement box. A plurality of battery cells are arranged on the top of the liquid-cooled heat-conducting placement plate. The plurality of battery cells are connected in series to form an energy storage battery. A serpentine cooling pipe is provided inside the liquid-cooled heat-conducting placement plate. A heat-conducting cooling box is fixedly installed below the liquid-cooled heat-conducting placement plate. A coolant pump is fixedly installed inside the heat-conducting cooling box. The liquid outlet of the coolant pump is fixedly installed with an outlet pipe, and the outlet pipe is fixedly connected to one end of the serpentine cooling pipe. The other end of the serpentine cooling pipe is fixedly installed with an inlet pipe, and the other end of the inlet pipe extends into the heat-conducting cooling box. Heat dissipation fins are fixedly installed at the bottom of the heat-conducting cooling box.

[0007] Preferably, a protective box is fixedly installed at the bottom of the liquid-cooled heat-conducting placement plate. An air inlet and a heat dissipation outlet are respectively provided on the outer walls of both sides of the protective box. A dust-proof cloth is fixed inside the air inlet, and a dust-proof net is fixedly installed inside the heat dissipation outlet.

[0008] Preferably, a horizontal plate is fixedly installed inside the protective box. A plurality of rotating rods are rotatably installed on one outer wall of the horizontal plate. One ends of the plurality of rotating rods are fixedly installed with heat dissipation fan blades. A plurality of worm wheels are respectively fixedly sleeved on the plurality of rotating rods. A worm is rotatably installed inside the protective box, and the worm is meshed with the plurality of worm wheels. One end of the worm extends outside the protective box and is fixedly sleeved with a first pulley. Two fixing plates are fixedly installed on one outer wall of the protective box. A reciprocating lead screw is rotatably installed on the two fixing plates, and one end of the reciprocating lead screw extends outside the two fixing plates and is fixedly sleeved with a second pulley. A synchronous belt is sleeved on the first pulley and the second pulley. A rotating motor is fixedly installed on one outer wall of the corresponding fixing plate, and an output shaft of the rotating motor is fixedly connected to one end of the reciprocating lead screw.

[0009] Preferably, a cleaning brush is threadedly sleeved on the reciprocating lead screw, and the bristles on the cleaning brush are in contact with the dust-proof net.

[0010] Preferably, two limiting rods are fixedly installed on one outer wall of the two fixing plates close to each other, and both of the two limiting rods are slidably connected to the cleaning brush.

[0011] Preferably, two through holes are formed in the cleaning brush. Linear bearings are respectively fixedly installed in the two through holes. The two limiting rods respectively penetrate through the two linear bearings and are respectively slidably connected to inner walls of the two linear bearings.

[0012] Preferably, a vertical rod is rotatably installed on a bottom inner wall of the heat conduction and cooling box, and a top end of the vertical rod extends into the liquid inlet pipe and is fixedly sleeved with a propeller. A plurality of stirring plates are fixedly sleeved on the vertical rod.

[0013] Preferably, a rotating hole is formed in a bottom inner wall of the heat conduction and cooling box. A bottom end of the vertical rod extends into the rotating hole and is fixedly sleeved with a rotating bearing, and an inner wall of the rotating bearing is fixedly connected to an inner wall of the rotating hole.

[0014] Compared with the related art, the high-efficiency liquid-cooled energy storage module and its energy storage cooling system provided by the present invention have the following beneficial effects: The present invention provides a high-efficiency liquid-cooled energy storage module and its energy storage cooling system. Through a coolant pump, the coolant in the heat conduction and cooling box is conveyed into the serpentine cooling pipeline through the liquid outlet pipe, and then flows into the heat conduction and cooling box through the liquid inlet pipe. The heat on the battery monomer is conducted into the coolant through the liquid-cooled heat conduction placement plate, and the liquid-cooling temperature reduction operation of the battery monomer is completed by absorbing the heat through the coolant.

[0015] The heat is conducted to the heat dissipation fins through the heat conduction cooling box, and the coolant is cooled by the heat dissipation fins. The rotation of the rotation motor drives the rotation of the heat dissipation fan blades to generate wind blowing towards the heat dissipation fins for heat dissipation, further improving the cooling efficiency of the coolant. At the same time, it drives the cleaning brush to move to clean the dust adhering to the dust-proof net, keeping the dust-proof net always unblocked and improving the heat dissipation efficiency. The coolant that absorbs heat flows in the liquid inlet pipe to drive the stirring plate to rotate, evenly dispersing the coolant that absorbs heat into the coolant that has not absorbed heat in the heat conduction cooling box, increasing the heat dissipation area, quickly cooling the coolant that absorbs heat, and improving the cooling efficiency. Brief Description of the Drawings

[0016] Figure 1 The first cross-sectional view of the high-efficiency liquid-cooled energy storage module and its energy storage cooling system provided by the present invention; Figure 2 is Figure 1 The enlarged schematic view of part A shown; Figure 3 The second cross-sectional view of the high-efficiency liquid-cooled energy storage module and its energy storage cooling system provided by the present invention; Figure 4 is Figure 3 The enlarged schematic view of part B shown; Figure 5 is Figure 1 The enlarged schematic view of part C shown; Figure 6 is Figure 1 The top view of the protective box shown; Figure 7 is Figure 1 The front view of the protective box shown; Figure 8 is Figure 1 The top view of the liquid-cooled heat conduction placement plate shown; Figure 9 The schematic diagram of the high-efficiency liquid-cooled energy storage cooling system provided by the present invention.

[0017] Reference numerals in the figure: 1. placement box; 2. battery cell; 3. liquid-cooled heat conduction placement plate; 4. serpentine cooling pipe; 5. heat conduction cooling box; 6. coolant pump; 7. liquid outlet pipe; 8. liquid inlet pipe; 9. heat dissipation fins; 10. protective box; 11. dust-proof cloth; 12. cross plate; 13. worm; 14. worm gear; 15. heat dissipation fan blade; 16. rotating rod; 17. first pulley; 18. synchronous belt; 19. fixing plate; 20. rotation motor; 21. reciprocating lead screw; 22. second pulley; 23. cleaning brush; 24. dust-proof net; 25. limiting rod; 26. vertical rod; 27. stirring plate; 28. propeller. Detailed Description of the Invention

[0018] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0019] Please refer to Figures 1 - 8 , in the present invention, the high-efficiency liquid-cooled energy storage module and its energy storage cooling system include: a placement box 1 with openings at both the top and bottom. A protective cover plate is detachably installed on the top of the protective box 10, and four support legs are fixedly installed at the bottom of the placement box 1. A liquid-cooled heat-conducting placement plate 3 is fixedly installed inside the placement box 1. A plurality of battery cells 2 are arranged on the top of the liquid-cooled heat-conducting placement plate 3. The plurality of battery cells 2 are connected in series to form an energy storage battery. A serpentine cooling pipe 4 is provided inside the liquid-cooled heat-conducting placement plate 3. A heat-conducting cooling box 5 is fixedly installed below the liquid-cooled heat-conducting placement plate 3. A coolant pump 6 is fixedly installed inside the heat-conducting cooling box 5. The liquid outlet of the coolant pump 6 is fixedly installed with an outlet pipe 7, and the outlet pipe 7 is fixedly connected to one end of the serpentine cooling pipe 4. The other end of the serpentine cooling pipe 4 is fixedly installed with an inlet pipe 8, and the other end of the inlet pipe 8 extends into the heat-conducting cooling box 5. Through the coolant pump 6, the coolant in the heat-conducting cooling box 5 is transported into the serpentine cooling pipe 4 through the outlet pipe 7, and then flows back into the heat-conducting cooling box 5 through the inlet pipe 8. The heat on the battery cells 2 is conducted into the coolant through the liquid-cooled heat-conducting placement plate 3, and the liquid-cooling cooling operation of the battery cells 2 is completed by absorbing the heat with the coolant. A heat dissipation fin 9 is fixedly installed at the bottom of the heat-conducting cooling box 5. The heat is conducted to the heat dissipation fin 9 through the heat-conducting cooling box 5, and the coolant is cooled by the heat dissipation fin 9.

[0020] In order to protect the heat dissipation fin 9 and prevent external objects from colliding with the heat dissipation fin 9, causing damage to the heat dissipation fin 9 and affecting its service life, a protective box 10 is fixedly installed at the bottom of the liquid-cooled heat-conducting placement plate 3. An air inlet and a heat dissipation outlet are respectively provided on the outer walls of both sides of the protective box 10. A dust-proof cloth 11 is fixed in the air inlet, and a dust-proof net 24 is fixedly installed in the heat dissipation outlet. The dust-proof cloth 11 and the dust-proof net 24 prevent external dust from adhering to the heat dissipation fin 9 and affecting the heat dissipation efficiency of the heat dissipation fin 9.

[0021] To improve the heat dissipation efficiency of the heat dissipation fin 9, a cross plate 12 is fixedly installed inside the protective box 10. A number of rotating rods 16 are rotatably installed on one outer wall of the cross plate 12. One ends of the number of rotating rods 16 are fixedly installed with heat dissipation fan blades 15. A number of worm wheels 14 are respectively and fixedly sleeved on the number of rotating rods 16. A worm 13 is rotatably installed inside the protective box 10, and the worm 13 meshes with the number of worm wheels 14. One end of the worm 13 extends outside the protective box 10 and is fixedly sleeved with a first pulley 17. Two fixing plates 19 are fixedly installed on one outer wall of the protective box 10. A reciprocating lead screw 21 is rotatably installed on the two fixing plates 19, and one end of the reciprocating lead screw 21 extends outside the two fixing plates 19 and is fixedly sleeved with a second pulley 22. A synchronous belt 18 is sleeved on the first pulley 17 and the second pulley 22. A rotating motor 20 is fixedly installed on one outer wall of the corresponding fixing plate 19, and the output shaft of the rotating motor 20 is fixedly connected to one end of the reciprocating lead screw 21. The rotating motor 20 rotates to drive the reciprocating lead screw 21 to rotate. The reciprocating lead screw 21 rotates to drive the second pulley 22 to rotate. The second pulley 22 rotates to drive the first pulley 17 to rotate through the synchronous belt 18. The first pulley 17 rotates to drive the worm 13 to rotate. The worm 13 rotates to drive the worm wheel 14 to rotate. The worm wheel 14 rotates to drive the rotating rod 16 to rotate. The rotating rod 16 rotates to drive the heat dissipation fan blade 15 to rotate to generate wind blowing towards the heat dissipation fin 9 to dissipate heat from it, improving the heat dissipation efficiency of the heat dissipation fin 9.

[0022] To clean the dust adhered to the dust-proof net 24 and keep the dust-proof net 24 always unblocked, further improving the heat dissipation efficiency, a cleaning brush 23 is threadedly sleeved on the reciprocating lead screw 21, and the bristles on the cleaning brush 23 are in contact with the dust-proof net 24.

[0023] To limit the cleaning brush 23, so that the reciprocating lead screw 21 can drive the cleaning brush 23 to rotate when rotating, two limiting rods 25 are fixedly installed on one side outer walls of the two fixing plates 19 close to each other, and both of the two limiting rods 25 are slidably connected to the cleaning brush 23. To reduce the friction between the limiting rod 25 and the cleaning brush 23, thereby reducing the wear degree of the limiting rod 25 and improving the service life of the limiting rod 25, two through holes are opened on the cleaning brush 23. Linear bearings are respectively fixedly installed in the two through holes. The two limiting rods 25 respectively penetrate through the two linear bearings and are respectively slidably connected to the inner walls of the two linear bearings.

[0024] In order to evenly disperse the heat-absorbing coolant into the non-heat-absorbing coolant in the heat-conducting cooling box 5, increase the heat dissipation area, quickly cool down the heat-absorbing coolant, and improve the cooling efficiency, a vertical rod 26 is rotatably installed on the inner wall of the bottom of the heat-conducting cooling box 5. In order to rotatably install the vertical rod 26 in the heat-conducting cooling box 5, a rotating hole is provided on the inner wall of the bottom of the heat-conducting cooling box 5. The bottom end of the vertical rod 26 extends into the rotating hole and is fixedly sleeved with a rotating bearing, and the inner wall of the rotating bearing is fixedly connected to the inner wall of the rotating hole. The top end of the vertical rod 26 extends into the liquid inlet pipe 8 and is fixedly sleeved with a propeller 28. A plurality of stirring plates 27 are fixedly sleeved on the vertical rod 26.

[0025] The working principle of the high-efficiency liquid-cooled energy storage module and its energy storage cooling system provided by the present invention is as follows: In the initial state, the heat-conducting cooling box 5 is filled with coolant, and the bottom end of the liquid inlet pipe 8 is located below the cooling liquid level. A plurality of conducting sockets are provided on the outer wall of the placement box 1. The battery cell 2 is electrically connected to the external wire through the conducting socket. When the temperature of the battery cell 2 rises during operation, the coolant pump 6 is started, and the coolant in the heat-conducting cooling box 5 is transported through the liquid outlet pipe 7 to the serpentine cooling pipe 4, and then flows into the heat-conducting cooling box 5 from the liquid inlet pipe 8. The heat on the battery cell 2 is conducted to the coolant through the liquid-cooled heat-conducting placement plate 3, and the heat is absorbed by the coolant, thereby completing the liquid-cooling operation of the battery cell 2.

[0026] When the coolant absorbs a large amount of heat and its own temperature rises, the heat is conducted to the heat dissipation fins 9 through the heat-conducting cooling box 5, and the coolant is cooled by the heat dissipation fins 9. At the same time, the rotating motor 20 is started, and the rotation of the rotating motor 20 drives the reciprocating screw rod 21 to rotate. The rotation of the reciprocating screw rod 21 drives the second pulley 22 to rotate. The rotation of the second pulley 22 drives the first pulley 17 to rotate through the synchronous belt 18. The rotation of the first pulley 17 drives the worm 13 to rotate. The rotation of the worm 13 drives the worm gear 14 to rotate. The rotation of the worm gear 14 drives the rotating rod 16 to rotate. The rotation of the rotating rod 16 drives the heat dissipation fan blade 15 to rotate to generate wind and blow towards the heat dissipation fins 9 for heat dissipation, improving the heat dissipation efficiency of the heat dissipation fins 9 and further improving the cooling efficiency of the coolant. At the same time, the rotation of the reciprocating screw rod 21 drives the cleaning brush 23 to move to clean the dust adhering to the dust-proof net 24, so that the dust-proof net 24 is always in a dredged state, improving the heat dissipation efficiency. At the same time, when the heat-absorbing coolant flows from the liquid inlet pipe 8 into the heat-conducting cooling box 5, the flow of the heat-absorbing coolant in the liquid inlet pipe 8 drives the propeller 28 to rotate. The rotation of the propeller 28 drives the vertical rod 26 to rotate. The rotation of the vertical rod 26 drives the stirring plate 27 to rotate, thereby evenly dispersing the heat-absorbing coolant into the non-heat-absorbing coolant in the heat-conducting cooling box 5, increasing the heat dissipation area, quickly cooling down the heat-absorbing coolant, and improving the cooling efficiency.

[0027] Compared with the related technologies, the high-efficiency liquid-cooled energy storage module and its energy storage cooling system provided by the present invention have the following beneficial effects: Through the coolant pump 6, the coolant in the heat-conducting cooling box 5 is transported through the liquid outlet pipe 7 into the serpentine cooling pipe 4, and then flows into the heat-conducting cooling box 5 through the liquid inlet pipe 8. The heat on the battery cell 2 is conducted into the coolant through the liquid-cooled heat-conducting placement plate 3, and the liquid-cooling operation of the battery cell 2 is completed by absorbing its heat with the coolant.

[0028] The heat is conducted to the heat dissipation fins 9 through the heat-conducting cooling box 5. The coolant is cooled by the heat dissipation fins 9. The rotation of the rotating motor 20 drives the rotation of the heat dissipation fan blades 15 to generate wind blowing towards the heat dissipation fins 9 for heat dissipation, further improving the cooling efficiency of the coolant. At the same time, it drives the cleaning brush 23 to move to clean the dust adhering to the dust-proof net 24, keeping the dust-proof net 24 always unblocked and improving the heat dissipation efficiency. The coolant that absorbs heat drives the rotation of the stirring plate 27 during the flow in the liquid inlet pipe 8, evenly dispersing the heat-absorbing coolant into the coolant in the heat-conducting cooling box 5 that has not absorbed heat, increasing the heat dissipation area, quickly cooling the heat-absorbing coolant, and improving the cooling efficiency.

[0029] Embodiment of the high-efficiency liquid-cooled energy storage cooling system; Please refer to the attached Figure 9 , the high-efficiency liquid-cooled energy storage cooling system includes four anti-slip pads and the above-mentioned high-efficiency liquid-cooled energy storage module.

[0030] The four anti-slip pads are respectively fixedly installed at the bottoms of the four support legs.

[0031] The friction between the support legs and the ground is increased through the anti-slip pads, thereby making the device more stable when placed on the ground.

[0032] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the specification and drawings of the present invention, or directly or indirectly applied to other related technical fields, shall be included in the patent protection scope of the present invention by the same token.

Claims

1. An efficient liquid-cooled energy storage module, comprising a placement box with openings at both the upper and lower ends, and four support legs fixedly installed at the bottom of the placement box, characterized in that: A liquid-cooled heat-conducting placement plate is fixedly installed inside the placement box. A plurality of battery cells are arranged on the top of the liquid-cooled heat-conducting placement plate. The plurality of battery cells are connected in series to form an energy storage battery. A serpentine cooling pipeline is arranged inside the liquid-cooled heat-conducting placement plate. A heat-conducting cooling box is fixedly installed below the liquid-cooled heat-conducting placement plate. A coolant pump is fixedly installed inside the heat-conducting cooling box. An outlet pipe is fixedly installed at the liquid outlet of the coolant pump, and the outlet pipe is fixedly connected to one end of the serpentine cooling pipeline. The other end of the serpentine cooling pipeline is fixedly installed with an inlet pipe, and the other end of the inlet pipe extends into the heat-conducting cooling box. Heat dissipation fins are fixedly installed at the bottom of the heat-conducting cooling box.

2. The high-efficiency liquid-cooled energy storage module according to claim 1, characterized in that, A protection box is fixedly installed at the bottom of the liquid-cooled heat-conducting placement plate. An air inlet and a heat dissipation outlet are respectively arranged on the outer walls of both sides of the protection box. A dust-proof cloth is fixed inside the air inlet. A dust-proof net is fixedly installed inside the heat dissipation outlet.

3. The high-efficiency liquid-cooled energy storage module according to claim 2, wherein A cross plate is fixedly installed inside the protection box. A plurality of rotating rods are rotatably installed on the outer wall of one side of the cross plate. Heat dissipation fan blades are fixedly installed at one ends of the plurality of rotating rods. A plurality of worm wheels are respectively fixedly sleeved on the plurality of rotating rods. A worm is rotatably installed inside the protection box, and the worm meshes with the plurality of worm wheels. One end of the worm extends outside the protection box and is fixedly sleeved with a first belt pulley. Two fixing plates are fixedly installed on the outer wall of one side of the protection box. A reciprocating lead screw is rotatably installed on the two fixing plates, and one end of the reciprocating lead screw extends outside the two fixing plates and is fixedly sleeved with a second belt pulley. A synchronous belt is sleeved on the first belt pulley and the second belt pulley. A rotating motor is fixedly installed on the outer wall of one side of the corresponding fixing plate, and the output shaft of the rotating motor is fixedly connected to one end of the reciprocating lead screw.

4. The high-efficiency liquid-cooled energy storage module according to claim 3, wherein, A cleaning brush is threadedly sleeved on the reciprocating lead screw, and the bristles on the cleaning brush are in contact with the dust-proof net.

5. The high-efficiency liquid-cooled energy storage module according to claim 4, wherein Two limiting rods are fixedly installed on the outer walls of the two fixing plates close to each other, and both of the two limiting rods are slidably connected to the cleaning brush.

6. The high-efficiency liquid-cooled energy storage module according to claim 5, wherein Two through holes are arranged on the cleaning brush. Linear bearings are respectively fixedly installed in the two through holes. The two limiting rods respectively penetrate through the two linear bearings and are respectively slidably connected to the inner walls of the two linear bearings.

7. The high-efficiency liquid-cooled energy storage module according to claim 6, characterized in that A vertical rod is rotatably installed on the inner wall of the bottom of the heat-conducting cooling box, and the top end of the vertical rod extends into the inlet pipe and is fixedly sleeved with a propeller. A plurality of stirring plates are fixedly sleeved on the vertical rod.

8. The high-efficiency liquid-cooled energy storage module according to claim 7, characterized in that, A rotating hole is arranged on the inner wall of the bottom of the heat-conducting cooling box. The bottom end of the vertical rod extends into the rotating hole and is fixedly sleeved with a rotating bearing, and the inner wall of the rotating bearing is fixedly connected to the inner wall of the rotating hole.

9. An efficient liquid-cooled energy storage cooling system, characterized in that, It includes four anti-slip pads and the high-efficiency liquid-cooled energy storage module according to any one of claims 1 to 8; The four anti-slip pads are respectively fixedly installed at the bottoms of the four support legs.

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