Energy storage battery module with cooling structure and cooling method

Abstract

The invention relates to the technical field of energy storage battery module cooling, and discloses an energy storage battery module with a cooling structure and a cooling method. Through energy storage operation of the energy storage mechanism, the energy storage mechanism generates a large amount of heat, cooling liquid in the energy storage mechanism is circularly pumped by utilizing the staggered pumping structure, so that the cooling liquid in the energy storage mechanism circularly flows, and the cooling liquid is circularly and alternately pumped by the staggered pumping structure, so that the cooling liquid smoothly circularly flows; the cooling liquid flows through the cooling fins before flowing back into the energy storage mechanism, and the cooling fins are used for cooling the cooling liquid, so that the viscosity influence of the cooling liquid is eliminated, the circulating speed of the cooling liquid is increased, the cooling efficiency is effectively improved, the cooling effect of the energy storage battery module is enhanced, and the service life of the energy storage battery module is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of energy storage battery module cooling, in particular to an energy storage battery module with a cooling structure and a cooling method. BACKGROUND

[0002] In a new type of power system with large-scale new energy power application, the demand for energy storage systems as flexible scheduling resources is increased to ensure the complementary relationship between new energy power and the safe and stable control of power system operation. The large-scale battery energy storage system currently in use needs to effectively improve the battery temperature consistency control capability to ensure that the battery module of the battery energy storage system meets the requirements of the battery's own working temperature range and the temperature consistency range between the batteries during operation, thereby improving the safety of the battery energy storage system.

[0003] In existing energy storage battery modules, such as Chinese patent application CN119381638A, the cooling parameters of the cooling liquid in each first flow channel entering the first liquid cooling plate are controlled according to the temperature signal generated by the temperature of the top surface of the battery cell unit, the cooling effect of the cooling liquid is improved, and the service life of the energy storage battery module is increased.

[0004] However, there are still the following problems: when the battery module is cooled by the cooling liquid, the circulation of the cooling liquid is mostly slow due to the influence of the viscosity of the cooling liquid, which leads to a decrease in the cooling efficiency when the battery module generates a large amount of heat, resulting in poor cooling effect. SUMMARY

[0005] To overcome the deficiencies of the prior art, the present application provides an energy storage battery module with a cooling structure and a cooling method, which has the advantages of eliminating the influence of the viscosity of the cooling liquid, improving the circulation speed of the cooling liquid, effectively improving the cooling efficiency, enhancing the cooling effect of the energy storage battery module, and prolonging the service life of the energy storage battery module. The problem of poor cooling effect caused by the slow circulation of the cooling liquid due to the influence of the viscosity of the cooling liquid when the battery module is cooled by the cooling liquid is solved.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solution: an energy storage battery module with a cooling structure, comprising a shell, a storage mechanism arranged in the shell, and an auxiliary mechanism arranged on the shell, wherein the storage mechanism is used for storing electric energy, the top end of the storage mechanism is at the same height as the top end of the shell, and the top end of the storage mechanism penetrates the wall surface of the shell. The auxiliary mechanism comprises staggered pumping structures arranged on the shell, and the shell is provided with radiating fins, the staggered pumping structures circulate and pump the coolant of the energy storage mechanism, and the coolant pumped by the staggered pumping structures passes through the radiating fins, and the radiating fins radiate the coolant.

[0007] Preferably, the energy storage mechanism comprises an energy storage bin, the energy storage bin is arranged in the shell, the top end of the energy storage bin penetrates the top surface of the shell, the top end of the energy storage bin is an open end, the top end of the energy storage bin is at the same height as the top end of the shell, a battery module is fixedly installed in the energy storage bin, the top end of the battery module is at the same height as the top end of the energy storage bin, and the top end of the battery module is adapted in size to the open end of the energy storage bin.

[0008] Preferably, the energy storage bin is filled with coolant, the coolant covers the battery module in the energy storage bin, the structural size of the battery module in the energy storage bin is smaller than the internal size of the energy storage bin, and a gap is arranged between the bottom end of the battery module and the bottom end of the energy storage bin, so that the coolant completely covers the battery module for cooling.

[0009] Preferably, the auxiliary mechanism further comprises a protective cover, the protective cover is fixedly installed on the shell, the protective cover is used for protecting the auxiliary mechanism, the remaining structure of the auxiliary mechanism is located in the protective cover, the staggered pumping structures are arranged on one side of the shell, a first straight cylinder is fixedly installed on one side of the shell, the first straight cylinder is located on one side of the shell, a first suction stop valve is fixedly installed at the bottom end of the shell, one end of the first suction stop valve is in communication with the bottom end of the first straight cylinder, the other end of the first suction stop valve is in communication with the bottom end of one side of the shell, a first piston rod is slidably fitted in the first straight cylinder, the top end of the first piston rod penetrates the top end of the first straight cylinder, the cross-sectional size of the first piston rod is adapted to the internal cross-sectional size of the first straight cylinder, a first discharge stop valve is fixedly installed on one side of the shell, and one end of the first discharge stop valve is in communication with the lower end of the side of the first straight cylinder.

[0010] Preferably, one side of the shell is fixedly installed with a second straight cylinder, the second straight cylinder is located at the other side of the shell, the bottom end of the shell is fixedly installed with a second suction stop valve, one end of the second suction stop valve is in communication with the bottom end of the second straight cylinder, the other end of the second suction stop valve is in communication with the bottom end of one side of the shell, the second straight cylinder is slidably fitted with a second piston rod, the top end of the second piston rod penetrates the top end of the second straight cylinder, the cross-sectional size of the second piston rod is matched with the internal cross-sectional size of the second straight cylinder, one side of the shell is fixedly installed with a second discharge stop valve, one end of the second discharge stop valve is in communication with the lower end of the side of the second straight cylinder.

[0011] Preferably, the bottom end of the shell is fixedly installed with a plurality of communication pipes, one end of the communication pipe is in communication with the other end of the first discharge stop valve, the other end of the second discharge stop valve, the other end of the communication pipe is in communication with the bottom end of the other side of the shell, the staggered pumping structure comprises the first straight cylinder, the first piston rod, the second straight cylinder, the second piston rod and the communication pipe.

[0012] Preferably, one side of the shell is fixedly installed with a first rail frame, the first rail frame is located at one side of the shell, the first rail frame is slidably fitted with a first rack, the top end of the first rack is fixedly connected with the top end of the first piston rod, one side of the shell is fixedly installed with a second rail frame, the second rail frame is located at the other side of the shell, the second rail frame is slidably fitted with a second rack, the top end of the second rack is fixedly connected with the top end of the second piston rod.

[0013] Preferably, one side of the shell is rotatably fitted with a gear, the gear is located between the first rack and the second rack, the gear is engaged with the first rack, the gear is engaged with the second rack, a limiting ring is fixedly installed on the second rack, a servo motor is fixedly installed in the protective cover, an extension arm is fixedly installed on the shaft of the servo motor, the extension arm extends into the limiting ring, the extension arm is slidably fitted in the limiting ring.

[0014] Preferably, the top end of the first rail frame and the top end of the second rail frame are fixedly installed with a first trigger controller adjacent to the top end of the track path of the first rail frame and the second rail frame, the bottom end of the first rail frame and the bottom end of the second rail frame are fixedly installed with a second trigger controller adjacent to the bottom end of the track path of the first rail frame and the second rail frame, the bottom end of the shell is fixedly installed with a plurality of the cooling fins, the cooling fins are symmetrically distributed on both sides of the shell, the communication pipes all penetrate the cooling fins and are in communication with the cooling fins, the bottom end of the shell is fixedly installed with a fan between the cooling fins on both sides, the fan blows downward, and a plurality of air holes are formed in the two sides and the bottom end of the protective cover, and the air holes on the bottom end of the protective cover are located below the fan.

[0015] A cooling method using the energy storage battery module with a cooling structure, comprising the following steps: S1: As the energy storage mechanism operates, a large amount of heat is generated, the cooling liquid in the energy storage mechanism is pumped by the staggered pumping structure, and the cooling liquid in the energy storage mechanism flows in a cycle; S2: The cooling liquid is pumped in a cycle by the staggered pumping structure, and the cooling liquid flows in a cycle smoothly; S3: Before flowing back into the energy storage mechanism, the cooling liquid flows through the cooling fins first, and the cooling fins cool the cooling liquid.

[0016] Compared with the prior art, the energy storage battery module with a cooling structure has the following beneficial effects: 1. The energy storage battery module with a cooling structure, by the energy storage mechanism operating, a large amount of heat is generated, the cooling liquid in the energy storage mechanism is pumped by the staggered pumping structure, and the cooling liquid in the energy storage mechanism flows in a cycle, and the cooling liquid is pumped in a cycle by the staggered pumping structure, and the cooling liquid flows in a cycle smoothly, and before flowing back into the energy storage mechanism, the cooling liquid flows through the cooling fins first, and the cooling fins cool the cooling liquid, thereby eliminating the influence of the viscosity of the cooling liquid, improving the circulation speed of the cooling liquid, effectively improving the cooling efficiency, enhancing the cooling effect of the energy storage battery module, and prolonging the service life of the energy storage battery module.

[0017] 2. The energy storage battery module with a cooling structure, by the setting of the first trigger controller and the second trigger controller, the opening and closing time of the first suction stop valve, the first discharge stop valve, the second suction stop valve and the second discharge stop valve is accurately positioned, and the stability of the device operation is improved.

[0018] 3. The energy storage battery module with cooling structure, through the setting of the air holes and the fan, the fan forms the air flow, the air enters the protective cover from the air holes on both sides of the protective cover, the air is discharged from the air holes at the bottom end of the protective cover after passing through the fan, the air flow is formed in the protective cover to discharge the heat dissipated by the cooling fins, the heat dissipation efficiency of the cooling fins is improved, and the stability of the operation of the energy storage battery module is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure distribution schematic diagram of the shell of the application; Figure 2 It is a whole structure schematic diagram of the energy storage battery module of the application; Figure 3 It is a structure schematic diagram of the energy storage mechanism of the application; Figure 4 It is a structure schematic diagram of the battery module of the application; Figure 5 It is a structure schematic diagram of the auxiliary mechanism of the application; Figure 6 It is a structure distribution schematic diagram of the cooling fin of the application; Figure 7 It is a structure distribution schematic diagram of the first straight cylinder of the application; Figure 8 It is a structure distribution schematic diagram of the communication pipe of the application; Figure 9 It is a structure distribution schematic diagram of the gear of the application; Figure 10 It is a structure distribution schematic diagram of the fan of the application; Figure 11 It is a structure distribution schematic diagram of the air hole of the application.

[0020] In the figure: 1, shell; 2, energy storage mechanism; 21, energy storage bin; 22, battery module; 3, auxiliary mechanism; 31, protective cover; 32, staggered pumping structure; 33, first straight cylinder; 34, first suction port stop valve; 35, first piston rod; 36, first discharge port stop valve; 37, second straight cylinder; 38, second suction port stop valve; 39, second piston rod; 310, second discharge port stop valve; 311, communication pipe; 312, first rail frame; 313, first rack; 314, second rail frame; 315, second rack; 316, gear; 317, limiting ring; 318, servo motor; 319, extension arm; 320, first trigger controller; 321, second trigger controller; 322, cooling fin; 323, fan; 324, air hole. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0022] As introduced in the background, the deficiencies in the prior art, in order to solve the above technical problems, the present application provides a kind of energy storage battery module with cooling structure and cooling method.

[0023] In a typical embodiment of the present application, as shown in Figure 1 An energy storage battery module with cooling structure, comprising a shell 1, an energy storage mechanism 2 arranged in the shell 1, an auxiliary mechanism 3 arranged on the shell 1, the energy storage mechanism 2 is used to store energy, the top end of the energy storage mechanism 2 is at the same height as the top end of the shell 1, and the top end of the energy storage mechanism 2 penetrates the wall surface of the shell 1. The auxiliary mechanism 3 includes staggered pumping structure 32 and heat sink 322, the staggered pumping structure 32 is arranged on the shell 1, the shell 1 is provided with heat sink 322, the staggered pumping structure 32 circulates and pumps the coolant in the energy storage mechanism 2, the coolant pumped by the staggered pumping structure 32 passes through the heat sink 322, and the heat sink 322 radiates the coolant.

[0024] When using the present application: As the energy storage mechanism 2 operates to store energy, a large amount of heat is generated in the energy storage mechanism 2, the staggered pumping structure 32 is used to circulate and pump the coolant in the energy storage mechanism 2, so that the coolant in the energy storage mechanism 2 flows in a cycle, and the staggered pumping structure 32 pumps the coolant in a cycle, so that the coolant flows smoothly in a cycle, and before the coolant flows back into the energy storage mechanism 2, it flows through the heat sink 322 first, the heat sink 322 radiates and cools the coolant, thereby eliminating the influence of the viscosity of the coolant, improving the circulation speed of the coolant, effectively improving the cooling efficiency, enhancing the cooling effect of the energy storage battery module, and prolonging the service life of the energy storage battery module.

[0025] As shown in Figures 2-4 The difference between the above embodiment and the above embodiment is that the energy storage mechanism 2 includes an energy storage bin 21, the energy storage bin 21 is arranged in the shell 1, the top end of the energy storage bin 21 penetrates the top surface of the shell 1, the top end of the energy storage bin 21 is an open end, the top end of the energy storage bin 21 is at the same height as the top end of the shell 1, a battery module 22 is fixedly installed in the energy storage bin 21, the top end of the battery module 22 is at the same height as the top end of the energy storage bin 21, and the size of the top end of the battery module 22 is matched with the size of the open end of the energy storage bin 21.

[0026] Furthermore, the energy storage bin 21 is filled with coolant, which covers the battery module 22 inside the energy storage bin 21. The structural dimensions of the battery module 22 inside the energy storage bin 21 are smaller than the internal dimensions of the energy storage bin 21. A gap is provided between the bottom of the battery module 22 and the bottom of the energy storage bin 21, so that the coolant completely covers the battery module 22 for cooling.

[0027] Furthermore, the battery module 22 is an existing structure. Specifically, the battery module 22 is a conventional battery module kit in the art, which is used to store and release electrical energy.

[0028] Example 3, as Figures 5-11 As shown, the difference from the above embodiment is that the auxiliary mechanism 3 also includes a protective cover 31, which is fixedly mounted on the shell 1 and is used to protect the auxiliary mechanism 3. The remaining structure of the auxiliary mechanism 3 is located in the protective cover 31, and the staggered pumping structure 32 is arranged on one side of the shell 1. A first straight cylinder 33 is fixedly mounted on one side of the shell 1. The first straight cylinder 33 is located on one side of the shell 1, and a first suction stop valve 34 is fixedly mounted on the bottom end of the shell 1. One end of the first suction stop valve 34 is connected to the bottom end of the first straight cylinder 33, and the other end of the first suction stop valve 34 is connected to the bottom end of one side of the shell 1. A first piston rod 35 is slidably fitted in the first straight cylinder 33, and the top end of the first piston rod 35 passes through the top end of the first straight cylinder 33. The cross-sectional size of the first piston rod 35 is adapted to the internal cross-sectional size of the first straight cylinder 33. A first discharge stop valve 36 is fixedly mounted on one side of the shell 1, and one end of the first discharge stop valve 36 is connected to the lower end of the side of the first straight cylinder 33.

[0029] Furthermore, a second straight cylinder 37 is fixedly installed on one side of the shell 1, and the second straight cylinder 37 is located on the other side of the shell 1. A second suction stop valve 38 is fixedly installed on the bottom end of the shell 1, and one end of the second suction stop valve 38 is connected to the bottom end of the second straight cylinder 37, and the other end of the second suction stop valve 38 is connected to the bottom end of one side of the shell 1. A second piston rod 39 is slidably fitted in the second straight cylinder 37, and the top end of the second piston rod 39 passes through the top end of the second straight cylinder 37. The cross-sectional size of the second piston rod 39 is adapted to the internal cross-sectional size of the second straight cylinder 37. A second discharge stop valve 310 is fixedly installed on one side of the shell 1, and one end of the second discharge stop valve 310 is connected to the lower end of the side of the second straight cylinder 37.

[0030] Furthermore, a plurality of connecting pipes 311 are fixedly installed at the bottom end of the shell 1, one end of the connecting pipe 311 is respectively connected to the other end of the first discharge stop valve 36 and the other end of the second discharge stop valve 310, and the other end of the connecting pipe 311 is connected to the bottom end of the other side of the shell 1. The staggered pumping structure 32 includes a first straight cylinder 33, a first piston rod 35, a second straight cylinder 37, a second piston rod 39, and a connecting pipe 311.

[0031] Further, one side of the shell 1 is fixedly installed with a first rail frame 312, the first rail frame 312 is located at one side of the shell 1, a first rack 313 is slidingly fitted on the first rail frame 312, the top end of the first rack 313 is fixedly connected with the top end of the first piston rod 35, one side of the shell 1 is fixedly installed with a second rail frame 314, the second rail frame 314 is located at the other side of the shell 1, a second rack 315 is slidingly fitted on the second rail frame 314, the top end of the second rack 315 is fixedly connected with the top end of the second piston rod 39.

[0032] Further, one side of the shell 1 is rotatably fitted with a gear 316, the gear 316 is located between the first rack 313 and the second rack 315, the gear 316 is engaged with the first rack 313, the gear 316 is engaged with the second rack 315, a limiting ring 317 is fixedly installed on the second rack 315, a protective cover 31 is fixedly installed with a servo motor 318, an extension arm 319 is fixedly installed on the shaft of the servo motor 318, the extension arm 319 extends into the limiting ring 317, the extension arm 319 is slidingly fitted in the limiting ring 317.

[0033] Further, the top end of the first rail frame 312 and the top end of the second rail frame 314 are both fixedly installed with a first trigger controller 320, the first trigger controller 320 is adjacent to the top end of the track path of the first rail frame 312 and the second rail frame 314, the bottom end of the first rail frame 312 and the bottom end of the second rail frame 314 are both fixedly installed with a second trigger controller 321, the second trigger controller 321 is adjacent to the bottom end of the track path of the first rail frame 312 and the second rail frame 314, a plurality of heat dissipation fins 322 are fixedly installed at the bottom end of the shell 1, the heat dissipation fins 322 are symmetrically distributed on both sides of the shell 1, the communication pipes 311 all penetrate through the heat dissipation fins 322, the communication pipes 311 all communicate with the heat dissipation fins 322, a fan 323 is fixedly installed at the bottom end of the shell 1, the fan 323 is located between the heat dissipation fins 322 on both sides, the blowing direction of the fan 323 is downward, a plurality of air holes 324 are formed on both sides and the bottom end of the protective cover 31, the air holes 324 on the bottom end of the protective cover 31 are located below the fan 323.

[0034] Wherein, when the cooling liquid is pumped staggered, the servo motor 318 is started, the servo motor 318 drives the extension arm 319 to rotate, the extension arm 319 moves back and forth in the limiting ring 317 to drive the limiting ring 317 to drive the second rack 315 to move back and forth on the second rail frame 314, the second rack 315 drives the gear 316 to rotate, the gear 316 drives the first rack 313 to move back and forth on the first rail frame 312, so that the first rack 313 and the second rack 315 move back and forth staggered, the first rack 313 drives the first piston rod 35 to move back and forth in the first straight cylinder 33, the second rack 315 drives the second piston rod 39 to move back and forth in the second straight cylinder 37, so that the first straight cylinder 33 cooperates with the first piston rod 35 to form a pumping cooling liquid suction, the second straight cylinder 37 cooperates with the second piston rod 39 to form a pumping cooling liquid suction, and due to the back and forth movement of the first rack 313 and the second rack 315, the first straight cylinder 33, the first piston rod 35 and the second straight cylinder 37, the second piston rod 39 form a staggered pumping; At the same time, when the first rack 313 moves to the top end, the first trigger controller 320 is triggered, the first trigger controller 320 controls the first exhaust port stop valve 36 to open and the first suction port stop valve 34 to close, so that the cooling liquid is pumped into the first straight cylinder 33 and then into the communication pipe 311, when the first rack 313 moves to the bottom end, the second trigger controller 321 is triggered, the second trigger controller 321 controls the first exhaust port stop valve 36 to close and the first suction port stop valve 34 to open, so that the first straight cylinder 33 re-pumps the cooling liquid, so that the cooling liquid is pumped in a circulating manner; Similarly, when the second rack 315 moves to the top end, the first trigger controller 320 is triggered, the first trigger controller 320 controls the second exhaust port stop valve 310 to open and the second suction port stop valve 38 to close, so that the cooling liquid is pumped into the second straight cylinder 37 and then into the communication pipe 311, when the second rack 315 moves to the bottom end, the second trigger controller 321 is triggered, the second trigger controller 321 controls the second exhaust port stop valve 310 to close and the second suction port stop valve 38 to open, so that the second straight cylinder 37 re-pumps the cooling liquid, so that the cooling liquid is pumped in a circulating manner, so that the cooling liquid is pumped in a relatively smooth circulating process due to the staggered pumping, and because the pumping suction is completed by air pressure, the viscosity of the cooling liquid cannot resist the pressure pumping, so that the cooling liquid cannot flow smoothly due to its own viscosity; Then the cooling liquid is sent into the communication pipe 311 and passes through the heat sink 322, the heat sink 322 cools the cooling liquid, and the fan 323 is started, the fan 323 forms an air flow to make air enter the protective cover 31 from the air holes 324 on both sides of the protective cover 31, and the air is discharged from the air holes 324 at the bottom end of the protective cover 31 after passing through the fan 323, so that an air flow is formed in the protective cover to discharge the heat emitted by the heat sink 322.

[0035] The working principle of the present application is as follows: With the energy storage operation of the energy storage mechanism 2, the energy storage mechanism 2 generates a large amount of heat, and the interlaced pumping structure 32 is used to circulate and pump the cooling liquid in the energy storage mechanism 2, so that the cooling liquid in the energy storage mechanism 2 flows in a circulating manner. The pumping of the cooling liquid by the interlaced pumping structure 32 is in a circulating and interlaced manner, so that the cooling liquid flows smoothly in a circulating manner. Before the cooling liquid flows back into the energy storage mechanism 2, it flows through the heat sink 322, which cools the cooling liquid, thereby eliminating the influence of the viscosity of the cooling liquid, improving the circulation speed of the cooling liquid, effectively improving the cooling efficiency, enhancing the cooling effect of the energy storage battery module, and prolonging the service life of the energy storage battery module. When the cooling liquid is pumped in an interlaced manner, the servo motor 318 is started, the extension arm 319 is driven to rotate, and the extension arm 319 moves left and right in the limiting ring 317 with the rotation, thereby driving the limiting ring 317 to drive the second rack 315 to move back and forth on the second rail frame 314. The second rack 315 drives the gear 316 to rotate, and the gear 316 drives the first rack 313 to move back and forth on the first rail frame 312, so that the first rack 313 and the second rack 315 move up and down in an interlaced manner. The first rack 313 drives the first piston rod 35 to move back and forth in the first straight cylinder 33, and the second rack 315 drives the second piston rod 39 to move back and forth in the second straight cylinder 37, so that the first straight cylinder 33 cooperates with the first piston rod 35 to form a pumping force for pumping the cooling liquid, and the second straight cylinder 37 cooperates with the second piston rod 39 to form a pumping force for pumping the cooling liquid. Due to the interlaced back-and-forth movement of the first rack 313 and the second rack 315, the first straight cylinder 33, the first piston rod 35, the second straight cylinder 37, and the second piston rod 39 form an interlaced pumping structure. At the same time, when the first rack 313 moves to the top end and triggers the first trigger controller 320, the first trigger controller 320 controls the first discharge port stop valve 36 to open and the first suction port stop valve 34 to close, so that the cooling liquid is sucked into the first straight cylinder 33 and then into the communication pipe 311. When the first rack 313 moves to the bottom end and triggers the second trigger controller 321, the second trigger controller 321 controls the first discharge port stop valve 36 to close and the first suction port stop valve 34 to open, so that the first straight cylinder 33 re-sucks the cooling liquid, so that the cooling liquid is pumped in a circulating manner. Similarly, when the second rack 315 moves to the top end and triggers the first trigger controller 320, the first trigger controller 320 controls the second exhaust port stop valve 310 to open and the second suction port stop valve 38 to close, so that the cooling liquid is pumped into the second straight cylinder 37 and then into the communication pipe 311. When the second rack 315 moves to the bottom end, the second trigger controller 321 is triggered, which controls the second exhaust port stop valve 310 to close and the second suction port stop valve 38 to open, so that the cooling liquid is pumped into the second straight cylinder 37 to make the cooling liquid circulate and pump, so that the cooling liquid forms a relatively smooth circulation process through staggered pumping, and because the pumping suction is achieved by air pressure, the viscosity of the cooling liquid cannot resist the pressure pumping, thereby eliminating the smooth flow of the cooling liquid due to its own viscosity. Then the cooling liquid is pumped into the communication pipe 311 and passes through the heat sink 322, which cools the cooling liquid. At the same time, the fan 323 is started, which forms an air flow to make air enter the protective cover 31 from the air holes 324 on both sides of the protective cover 31. After passing through the fan 323, the air is discharged from the air holes 324 at the bottom end of the protective cover 31, so that an air flow is formed in the protective cover to discharge the heat emitted by the heat sink 322.

[0036] A cooling method using the energy storage battery module with the cooling structure described above, comprising the following steps: S1: As the energy storage mechanism 2 operates, the energy storage mechanism 2 generates a large amount of heat, and the interlaced pumping structure 32 is used to circulate and pump the cooling liquid in the energy storage mechanism 2, so that the cooling liquid in the energy storage mechanism 2 circulates and flows; S2: The pumping of the interlaced pumping structure 32 is a circulating interlaced pumping, so that the cooling liquid flows smoothly and circulates; S3: Before the cooling liquid flows back into the energy storage mechanism 2, it first flows through the heat sink 322, which cools the cooling liquid.

[0037] Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An energy storage battery module with a cooling structure, comprising a shell, an energy storage mechanism arranged in the shell, and an auxiliary mechanism arranged on the shell, characterized in that: the energy storage mechanism is used for storing electric energy, the top end of the energy storage mechanism is at the same height as the top end of the shell, and the top end of the energy storage mechanism penetrates the wall surface of the shell; the auxiliary mechanism comprises an interleaved pumping structure and a cooling fin, the interleaved pumping structure is arranged on the shell, the cooling fin is arranged on the shell, the interleaved pumping structure circulates and pumps the cooling liquid of the energy storage mechanism, the cooling liquid pumped by the interleaved pumping structure passes through the cooling fin, and the cooling fin radiates the cooling liquid.

2. The energy storage battery module with a cooling structure according to claim 1, characterized in that: the energy storage mechanism comprises an energy storage bin, the energy storage bin is arranged in the shell, the top end of the energy storage bin penetrates the top surface of the shell, the top end of the energy storage bin is an open end, the top end of the energy storage bin is at the same height as the top end of the shell, a battery module is fixedly installed in the energy storage bin, the top end of the battery module is at the same height as the top end of the energy storage bin, and the top end of the battery module is adapted to the size of the open end of the energy storage bin.

3. The energy storage battery module with a cooling structure according to claim 2, characterized in that: cooling liquid is injected into the energy storage bin, the cooling liquid covers the battery module inside the energy storage bin, the structural size of the battery module inside the energy storage bin is smaller than the internal size of the energy storage bin, and a gap is arranged between the bottom end of the battery module and the bottom end inside the energy storage bin, so that the cooling liquid completely covers the battery module for cooling.

4. The energy storage battery module with a cooling structure according to claim 3, characterized in that: the auxiliary mechanism further comprises a protective cover, the protective cover is fixedly installed on the shell, the protective cover is used for protecting the auxiliary mechanism, the remaining structure of the auxiliary mechanism is located in the protective cover, the interleaved pumping structure is arranged on one side of the shell, a first straight cylinder is fixedly installed on one side of the shell, the first straight cylinder is located on one side of the shell, a first suction stop valve is fixedly installed at the bottom end of the shell, one end of the first suction stop valve is in communication with the bottom end of the first straight cylinder, the other end of the first suction stop valve is in communication with the bottom end on one side of the shell, a first piston rod is slidably fitted in the first straight cylinder, the top end of the first piston rod penetrates the top end of the first straight cylinder, the cross-sectional size of the first piston rod is adapted to the internal cross-sectional size of the first straight cylinder, a first discharge stop valve is fixedly installed on one side of the shell, and one end of the first discharge stop valve is in communication with the lower end of the side of the first straight cylinder.

5. The energy storage battery module with a cooling structure according to claim 4, characterized in that: The side of the shell is fixedly installed with a second straight cylinder, the second straight cylinder is located on the other side of the shell, the bottom end of the shell is fixedly installed with a second suction stop valve, one end of the second suction stop valve is communicated with the bottom end of the second straight cylinder, the other end of the second suction stop valve is communicated with the bottom end of the side of the shell, the second straight cylinder is slidably fitted with a second piston rod, the top end of the second piston rod penetrates the top end of the second straight cylinder, the cross-sectional size of the second piston rod is matched with the internal cross-sectional size of the second straight cylinder, the side of the shell is fixedly installed with a second discharge stop valve, one end of the second discharge stop valve is communicated with the lower end of the side of the second straight cylinder.

6. The energy storage battery module with a cooling structure according to claim 5, characterized in that: The bottom end of the shell is fixedly installed with a plurality of communication pipes, one end of the communication pipe is respectively communicated with the other end of the first discharge stop valve and the other end of the second discharge stop valve, the other end of the communication pipe is communicated with the bottom end of the other side of the shell, the staggered pumping structure includes the first straight cylinder, the first piston rod, the second straight cylinder, the second piston rod, and the communication pipe.

7. The energy storage battery module with a cooling structure according to claim 6, characterized in that: The side of the shell is fixedly installed with a first rail frame, the first rail frame is located on one side of the shell, a first rack is slidably fitted on the first rail frame, the top end of the first rack is fixedly connected with the top end of the first piston rod, the side of the shell is fixedly installed with a second rail frame, the second rail frame is located on the other side of the shell, a second rack is slidably fitted on the second rail frame, the top end of the second rack is fixedly connected with the top end of the second piston rod.

8. The energy storage battery module with a cooling structure according to claim 7, characterized in that: The side of the shell is rotatably fitted with a gear, the gear is located between the first rack and the second rack, the gear is engaged with the first rack, the gear is engaged with the second rack, a limiting ring is fixedly installed on the second rack, a servo motor is fixedly installed in the protective cover, an extension arm is fixedly installed on the shaft of the servo motor, the extension arm extends into the limiting ring, the extension arm is slidably fitted in the limiting ring.

9. The energy storage battery module with a cooling structure according to claim 8, characterized in that: The top end of the first rail frame and the top end of the second rail frame are fixedly provided with a first trigger controller, the first trigger controller is adjacent to the top end of the track path of the first rail frame and the second rail frame, the bottom end of the first rail frame and the bottom end of the second rail frame are fixedly provided with a second trigger controller, the second trigger controller is adjacent to the bottom end of the track path of the first rail frame and the second rail frame, a plurality of the radiating fins are fixedly arranged at the bottom end of the shell, the radiating fins are symmetrically arranged at two sides of the shell, the communication pipes penetrate through the radiating fins and are communicated with the radiating fins, a fan is fixedly arranged at the bottom end of the shell, the fan is located between the radiating fins at two sides, the blowing direction of the fan is downward, a plurality of air holes are arranged at two sides and the bottom end of the protective cover, and the air holes at the bottom end of the protective cover are located below the fan.

10. A cooling method using the energy storage battery module with cooling structure according to any one of claims 1-9, characterized in that, The method comprises the following steps: S1: as the energy storage mechanism is running, a large amount of heat is generated, the cooling liquid in the energy storage mechanism is circulated and pumped by the staggered pumping structure, and the cooling liquid in the energy storage mechanism is circulated and flowed; S2: the pumping of the cooling liquid by the staggered pumping structure is circularly and staggered, and the cooling liquid is circularly and flowed smoothly; S3: before the cooling liquid flows back into the energy storage mechanism, the cooling liquid flows through the radiating fins first, and the radiating fins radiate and cool the cooling liquid.

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