Industrial-grade energy storage battery pack

Abstract

The utility model provides an industrial-grade energy storage battery pack which comprises a battery shell, a plurality of energy storage batteries are fixedly arranged in the battery shell, heat dissipation rings are fixedly arranged on the peripheries of the energy storage batteries in a circumferential mode, cooling pipes are arranged on the peripheries of the heat dissipation rings at equal intervals, and liquid inlet pipes and liquid outlet pipes are fixedly arranged on the cooling pipes. According to the energy storage battery heat dissipation device, direct contact type heat dissipation and cooling can be conducted on the energy storage battery through the heat dissipation ring and the cooling pipe, air cooling and heat dissipation can be conducted on the energy storage battery through the heat dissipation fan, and heat dissipation and cooling efficiency can be higher through combination of the heat dissipation ring and the cooling pipe; a transmission chain and a transmission gear are arranged to enable a rotating plate on a rotating rod to synchronously rotate, so that the ventilation slots are controlled to be closed, the interior of the battery shell can be cooled and ventilated when the ventilation slots are opened, and the ventilation slots can be closed when the battery is not used to prevent dust from entering; and dust is not easy to enter the joint of the rotating plate and the battery shell through the upper baffle plate, the lower baffle plate, the sealing piece and the sealing groove.

Description

Technical Field

[0001] The utility model relates to the technical field of battery packs, in particular to an industrial-grade energy storage battery pack. Background Art

[0002] Industrial energy storage battery packs are mainly composed of battery packs, battery management systems (BMS), charging devices, etc. The battery pack is the core part of the system, consisting of multiple lithium batteries connected in series and parallel, responsible for storing and releasing energy. BMS monitors and manages the battery pack to ensure the safe operation of the system. The charging device is responsible for charging the battery pack. Industrial energy storage battery pack technology is widely used. It can be used as an energy storage unit for microgrids to provide a reliable power supply and ensure the stability and reliability of the power grid. In terms of electric vehicle charging infrastructure, industrial energy storage battery packs can be used as energy storage devices for charging stations to balance the gap between power demand and supply and provide a continuous and stable power supply. In addition, industrial energy storage battery packs can also solve the volatility of renewable energy and store it to supply the needs of the power system in conditions such as low wind or low light.

[0003] Publication number "CN213340559U" provides an industrial-grade energy storage battery pack, including a battery box, a BMS, a chip and a battery module. The battery box includes a box cover and a box body. The battery module is provided with two groups. The battery modules are set in series, and the battery module is connected to the BMS. The BMS includes an active mixed balance BMS management system and a passive mixed balance BMS management system. The BMS is provided with a chip; fans and heat dissipation holes are provided at both ends of the box body, and a collection harness plug is installed at the end of the box body. The utility model has a simple architecture, high space utilization, high assembly efficiency, and strong scalability. It can meet the system design requirements of different voltages and electric quantities. The configuration of the active and passive mixed balance BMS management system adds one chip to complete the collection, and the software compensation method reduces the number of collection channels and reduces the hardware cost of the system.

[0004] However, the above technical solutions and the prior art have the following defects:

[0005] Although the above-mentioned battery pack has the advantages of simple structure and high space utilization, it often generates a large amount of heat during the use of the battery. If the battery is not cooled, long-term use will affect the safety performance, performance and service life of the battery pack, which will not only affect the use of the battery pack, but may also pose a threat to the safety of nearby workers. Utility Model Content

[0006] The purpose of the utility model is to provide an industrial-grade energy storage battery pack to solve the problems raised in the above-mentioned background technology.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] An industrial-grade energy storage battery pack, comprising a battery shell, wherein a plurality of energy storage batteries are fixedly arranged in the battery shell, a heat dissipation ring is fixedly arranged around the energy storage battery, cooling pipes are equidistantly arranged around the heat dissipation ring, a liquid inlet pipe and a liquid outlet pipe are fixedly arranged on the cooling pipe, and the liquid inlet pipe and the liquid outlet pipe are fixedly arranged on the battery shell;

[0009] Air cooling components, which are arranged on both sides of the battery housing and are used to send external air into the battery housing to dissipate heat for the energy storage battery;

[0010] The ventilation components are arranged on both sides of the battery housing to circulate the air inside the battery housing in contact with the outside to enhance the heat dissipation effect.

[0011] Preferably, the air cooling component includes dustproof plates fixedly arranged on both sides of the battery housing, a dustproof cavity is fixedly arranged on one side of the dustproof plate, a second dustproof plate is fixedly arranged on one side of the dustproof cavity, a plurality of cooling fans are fixedly arranged at equal intervals on the second dustproof plate, and a cleaning component for cleaning the second dustproof plate is arranged on the dustproof cavity.

[0012] Preferably, the cleaning assembly includes support plates fixedly arranged on both sides of the dustproof chamber, guide rods and electric screws are fixedly arranged between the support plates, a cleaning brush plate is threadedly sleeved on the electric screw, and one side of the cleaning brush plate is movably sleeved on the guide rod.

[0013] Preferably, the ventilation assembly includes a plurality of ventilation grooves equidistantly provided on the battery housing, an upper baffle and a lower baffle are fixedly provided on both sides of the ventilation groove, a sealing sheet is fixedly provided on the upper baffle and the lower baffle, a rotating rod is rotatably provided at the bottom of the ventilation groove, a rotating plate is fixedly provided on the rotating rod, sealing grooves for inserting the sealing sheet are provided on both sides of the rotating plate, and a driving assembly for driving the rotating rod to rotate is provided on the rotating rod.

[0014] Preferably, the driving assembly includes a rotating gear that passes through the battery casing and is fixed on the top of the rotating rod, and several rotating gears on the same side are rotatably connected by a transmission chain. A mounting block is fixedly provided on the top of the battery casing, and a driving motor is fixedly provided on the mounting block. The driving motor is rotatably connected to the rotating gear through a transmission belt.

[0015] Preferably, the spacing between the ventilation slots is 1 cm greater than the length of the rotating plate.

[0016] Preferably, the heat dissipation fan is a high-efficiency, low-noise DC brushless fan.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The utility model can perform direct contact heat dissipation and cooling of the energy storage battery by arranging the heat dissipation ring and the cooling pipe, and can perform air cooling of the energy storage battery by the heat dissipation fan. The combination of the two can make the heat dissipation and cooling efficiency higher. The dustproof plate and the second dustproof plate can prevent dust in the air from entering the battery housing. At the same time, the cleaning brush plate driven by the arranged electric screw to clean the second dustproof plate can prevent the second dustproof plate from being blocked and affecting the dustproof effect.

[0019] 2. The utility model can make the rotating plate on the rotating rod rotate synchronously by setting a transmission chain and a transmission gear, so as to control the closing of the ventilation slot. When it is opened, the inside of the battery shell can be ventilated for heat dissipation. When the battery is not in use, the ventilation slot can be closed to prevent dust from entering. The upper and lower baffles, sealing sheets and sealing slots can prevent dust from entering the connection between the rotating plate and the battery shell, thereby improving the dustproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a three-dimensional schematic diagram of the internal structure of the utility model;

[0022] Figure 3 It is a three-dimensional schematic diagram of the cooling pipe structure of the utility model;

[0023] Figure 4 It is a three-dimensional schematic diagram of the air cooling component structure of the utility model;

[0024] Figure 5 It is a three-dimensional schematic diagram of the ventilation component structure of the utility model;

[0025] Figure 6 It is a schematic plan cross-sectional view of the ventilation slot of the utility model;

[0026] Figure 7 For the utility model Figure 5 Enlarged schematic diagram of point A inside;

[0027] Figure 8 For the utility model Figure 5 Enlarged schematic diagram of point B inside.

[0028] In the figure: 1. battery casing; 2. energy storage battery; 3. heat dissipation ring; 4. cooling pipe; 5. liquid inlet pipe; 6. liquid outlet pipe; 7. dustproof plate; 8. dustproof chamber; 9. second dustproof plate; 10. cooling fan; 11. support plate; 12. guide rod; 13. electric screw; 14. cleaning brush plate; 15. ventilation slot; 16. upper baffle; 17. lower baffle; 18. sealing sheet; 19. rotating rod; 20. rotating plate; 21. sealing groove; 22. rotating gear; 23. transmission chain; 24. mounting block; 25. driving motor; 26. transmission belt. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-8 , the utility model provides a technical solution:

[0031] Embodiment 1:

[0032] An industrial-grade energy storage battery pack comprises a battery housing 1, a plurality of energy storage batteries 2 are fixedly arranged in the battery housing 1, a heat dissipation ring 3 is fixedly arranged around the energy storage battery 2, cooling pipes 4 are equidistantly arranged around the heat dissipation ring 3, a liquid inlet pipe 5 and a liquid outlet pipe 6 are fixedly arranged on the cooling pipe 4, and the liquid inlet pipe 5 and the liquid outlet pipe 6 are fixedly arranged on the battery housing 1;

[0033] In this embodiment, the heat dissipation ring 3 can be in direct contact with the energy storage battery 2 to dissipate heat, and the cooling tube 4 can be in active contact with the heat dissipation ring 3 to dissipate heat and cool the heat dissipation ring 3, and a coolant flows in the cooling tube 4;

[0034] Air cooling components are arranged on both sides of the battery housing 1 to send external air into the battery housing 1 to dissipate heat for the energy storage battery 2;

[0035] The ventilation components are arranged on both sides of the battery housing 1 to allow the air inside the battery housing 1 to circulate in contact with the outside to enhance the heat dissipation effect.

[0036] Embodiment 2:

[0037] On the basis of Example 1, this example describes one of the implementable structures of the air cooling component, which includes dustproof plates 7 fixedly arranged on both sides of the battery housing 1, a dustproof cavity 8 fixedly arranged on one side of the dustproof plate 7, a second dustproof plate 9 fixedly arranged on one side of the dustproof cavity 8, and a plurality of cooling fans 10 fixedly arranged at equal intervals on the second dustproof plate 9. The cooling fan 10 uses a high-efficiency, low-noise DC brushless fan, and a cleaning component for cleaning the second dustproof plate 9 is arranged on the dustproof cavity 8.

[0038] The cleaning assembly includes support plates 11 fixedly arranged on both sides of the dustproof chamber 8, guide rods 12 and electric screws 13 are fixedly arranged between the support plates 11, a cleaning brush plate 14 is threadedly sleeved on the electric screw 13, and one side of the cleaning brush plate 14 is movably sleeved on the guide rod 12;

[0039] In this embodiment, the cooling fan 10 can discharge external air into the battery housing 1 to dissipate heat for the energy storage battery 2. During the operation of the cooling fan 10, the dustproof chamber 8, the second dustproof plate 9 and the dustproof plate 7 can filter dust in the air to prevent dust from entering the battery housing 1 and affecting the operation of the energy storage battery 2. The support plate 11 supports and fixes the cleaning component. The electric screw 13 can drive the cleaning brush plate 14 to move back and forth during operation. The guide rod 12 plays a fixing and guiding role. The cleaning brush plate 14 can clean the second dustproof plate 9 to prevent the second dustproof plate 9 from being blocked.

[0040] Embodiment three:

[0041] On the basis of Example 1, this example describes one of the implementable structures of the ventilation assembly, the ventilation assembly includes a plurality of ventilation grooves 15 equidistantly arranged on the battery housing 1, an upper baffle 16 and a lower baffle 17 are fixedly arranged on both sides of the ventilation groove 15, a sealing sheet 18 is fixedly arranged on the upper baffle 16 and the lower baffle 17, a rotating rod 19 is rotatably arranged at the bottom of the ventilation groove 15, a rotating plate 20 is fixedly sleeved on the rotating rod 19, the spacing of the ventilation grooves 15 is 1 cm larger than the length of the rotating plate 20, sealing grooves 21 for inserting the sealing sheet 18 are arranged on both sides of the rotating plate 20, and a driving assembly for driving the rotating rod 19 to rotate is arranged on the rotating rod 19.

[0042] The driving assembly includes a rotating gear 22 that penetrates the battery housing 1 and is fixedly arranged on the top of the rotating rod 19. A plurality of rotating gears 22 on the same side are rotationally connected through a transmission chain 23. A mounting block 24 is fixedly arranged on the top of the battery housing 1. A driving motor 25 is fixedly arranged on the mounting block 24. The driving motor 25 is rotationally connected to the rotating gear 22 through a transmission belt 26.

[0043] In this embodiment, the ventilation slot 15 can be ventilated, and the hot air can be discharged from the battery housing 1 more quickly in conjunction with the air cooling component. The driving motor 25 can drive one of the rotating gears 22 to rotate through the transmission belt 26. When the rotating gear 22 rotates, it can drive all the rotating gears 22 on the same side to rotate through the transmission chain 23, so that the rotating rod 19 at the bottom of the rotating gear 22 rotates, driving the rotating plate 20 to rotate, and controlling the closing of the ventilation slot 15 by forward and reverse rotation. When the ventilation slot 15 is closed, the upper baffle plate 16 and the lower baffle plate 17 will limit the rotating plate 20, and the sealing sheet 18 will be inserted into the sealing slot 21 to seal the connection to prevent dust from entering when the ventilation slot 15 is closed, thereby improving the heat dissipation and dustproof effects. The gap of the ventilation slot 15 is greater than the length of the rotating plate 20, so that the rotating plate 20 will not be blocked by the inner wall of the ventilation slot 15 when rotating.

[0044] The energy storage battery 2, the cooling fan 10, the electric screw 13 and the drive motor 25 are devices or equipment existing in the prior art, or are devices or equipment that can be realized in the prior art, and the specifications and models of the energy storage battery 2, the cooling fan 10, the electric screw 13 and the drive motor 25 are well known to those skilled in the art and will not be described in detail here.

[0045] Working principle: When the battery pack needs to dissipate heat during use, the operator injects coolant into the liquid inlet pipe 5 and turns on the cooling fan 10, so that the energy storage battery 2 can be cooled and dissipated under the triple action of the cooling ring 3, the cooling pipe 4 and the cooling fan 10. At this time, the driving motor 25 is controlled to drive one of the rotating gears 22 to rotate through the transmission belt 26. When the rotating gear 22 rotates, it can drive all the rotating rods 19 on the same side to rotate through the transmission chain 23, thereby driving the rotating plate 20 to rotate, so that the ventilation slot 15 is opened, so that the heat inside the battery housing 1 can be discharged faster, thereby accelerating the heat dissipation efficiency;

[0046] When the battery pack is not in use, the drive motor 25 can be controlled to reverse, driving the rotating plate 20 to rotate and close the ventilation slot 15. When the ventilation slot 15 is closed, the upper baffle 16 and the lower baffle 17 will limit the rotating plate 20, and the sealing sheet 18 will be inserted into the sealing groove 21 to seal the connection to prevent dust from entering when the ventilation slot 15 is closed.

[0047] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An industrial-grade energy storage battery pack, comprising a battery housing (1), characterized in that: A plurality of energy storage batteries (2) are fixedly arranged in the battery housing (1); a heat dissipation ring (3) is fixedly arranged around the energy storage battery (2); cooling pipes (4) are equidistantly arranged around the heat dissipation ring (3); a liquid inlet pipe (5) and a liquid outlet pipe (6) are fixedly arranged on the cooling pipe (4); and the liquid inlet pipe (5) and the liquid outlet pipe (6) are fixedly arranged on the battery housing (1); An air cooling component, the air cooling component being arranged on both sides of the battery housing (1) and being used to send external air into the battery housing (1) to dissipate heat for the energy storage battery (2); A ventilation assembly is arranged on both sides of the battery housing (1) and is used to allow air inside the battery housing (1) to circulate in contact with the outside, thereby enhancing the heat dissipation effect.

2. An industrial-grade energy storage battery pack according to claim 1, characterized in that: The air cooling component comprises dustproof plates (7) fixedly arranged on both sides of the battery housing (1), a dustproof cavity (8) fixedly arranged on one side of the dustproof plate (7), a second dustproof plate (9) fixedly arranged on one side of the dustproof cavity (8), a plurality of cooling fans (10) fixedly arranged at equal intervals on the second dustproof plate (9), and a cleaning component for cleaning the second dustproof plate (9) arranged on the dustproof cavity (8).

3. An industrial-grade energy storage battery pack according to claim 2, characterized in that: The cleaning assembly comprises support plates (11) fixedly arranged on both sides of the dustproof chamber (8), a guide rod (12) and an electric screw (13) fixedly arranged between the support plates (11), a cleaning brush plate (14) threadedly sleeved on the electric screw (13), and one side of the cleaning brush plate (14) movably sleeved on the guide rod (12).

4. The industrial-grade energy storage battery pack according to claim 1, characterized in that: The ventilation assembly comprises a plurality of ventilation slots (15) equidistantly arranged on the battery housing (1), an upper baffle (16) and a lower baffle (17) being fixedly arranged on both sides of the ventilation slot (15), a sealing sheet (18) being fixedly arranged on the upper baffle (16) and the lower baffle (17), a rotating rod (19) being rotatably arranged at the bottom of the ventilation slot (15), a rotating plate (20) being fixedly sleeved on the rotating rod (19), sealing grooves (21) for inserting the sealing sheet (18) being arranged on both sides of the rotating plate (20), and a driving assembly for driving the rotating rod (19) to rotate is arranged on the rotating rod (19).

5. An industrial-grade energy storage battery pack according to claim 4, characterized in that: The driving assembly comprises a rotating gear (22) penetrating the battery housing (1) and fixedly arranged on the top of the rotating rod (19); a plurality of the rotating gears (22) on the same side are rotationally connected via a transmission chain (23); a mounting block (24) is fixedly arranged on the top of the battery housing (1); a driving motor (25) is fixedly arranged on the mounting block (24); and the driving motor (25) is rotationally connected to the rotating gear (22) via a transmission belt (26).

6. An industrial-grade energy storage battery pack according to claim 4, characterized in that: The spacing between the ventilation slots (15) is 1 cm greater than the length of the rotating plate (20).

7. An industrial-grade energy storage battery pack according to claim 2, characterized in that: The heat dissipation fan (10) uses a high-efficiency, low-noise DC brushless fan.

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