New energy storage equipment

Abstract

The invention relates to new energy storage equipment in the technical field of battery energy storage, which comprises a cabinet body with a bottom plate and a top plate, a cooling fan and a plurality of layers of battery rack plates are arranged in the cabinet body, and a cabinet door and cooling holes are mounted on the corresponding side of the cabinet body; a water storage tank is fixed on the upper plate surface of the top plate, a heat-conducting vertical plate is fixed in the center of the lower plate surface of the top plate, a temperature detector and a smoke detector are mounted on the lower plate surface of the top plate, the battery rack plate is fixed between the heat-conducting vertical plate and the corresponding side wall of the cabinet body, and a plurality of flow guide holes are formed in the plate surface of the battery rack plate; a fire extinguisher is fixed to the lower end of the heat conduction vertical plate, and a nozzle of the fire extinguisher is provided with control valves in signal connection with the temperature detector and the smoke detector. A plurality of air inlet holes are formed in the surface of the bottom plate, supporting legs are fixed to the four corners of the lower surface of the bottom plate, a cooling fan is installed in the center of the upper surface of the bottom plate, and cooling holes are formed in the top ends of the side walls of the cabinet body parallel to the heat conduction vertical plates; according to the energy storage equipment, the heat dissipation effect can be improved, and the fire danger can be safely and efficiently coped with.

Description

Technical Field

[0001] The present invention relates to the technical field of battery energy storage, and in particular to a new energy storage device. Background Art

[0002] As is well known, new energy storage devices use physical and chemical methods to store energy and release it when needed to ensure a stable supply and efficient utilization of energy. With the development of renewable energy (such as solar and wind energy), energy storage devices play an important role in balancing supply and demand fluctuations, improving energy utilization efficiency, and ensuring grid stability. Currently, one of the most widely used energy storage devices is the lithium battery energy storage cabinet. Due to its high energy density, long service life, and high charge and discharge efficiency, it is suitable for residential, commercial, and industrial energy storage. As shown in a new energy storage device disclosed in invention patent publication number CN119133739A, to ensure the temperature stability of lithium batteries during energy storage, cooling fans and heat dissipation holes are generally installed in the energy storage cabinet to dissipate heat. However, due to the high heat generation of lithium batteries and their compact layout, the heat dissipation effect is not very ideal. In the event of a high-temperature fire in the lithium battery, this existing technology cannot safely and efficiently implement timely fire extinguishing control. Summary of the Invention

[0003] In order to overcome the deficiencies in the background technology and solve the existing technical problems, the present invention discloses a new energy storage device, which can not only improve the heat dissipation effect, but also safely and efficiently deal with the risk of fire.

[0004] To achieve the above object, the present invention adopts the following technical solutions: The heat dissipation fan of the second cabinet body is fixed with the heat dissipation fan of the second cabinet body, and the heat dissipation fan of the second cabinet body is installed in the heat dissipation fan of the second cabinet body.

[0005] Furthermore, the water tank is made of heat-conducting material and is integrally connected to the heat-conducting vertical plate. A heat-insulating umbrella cover is provided above the notch of the water tank. A column is fixed in the middle of the bottom of the water tank. The center of the lower cover surface of the heat-insulating umbrella cover is fixed to the top of the column. The cover surface of the heat-insulating umbrella cover is tilted downward from the center to the edge.

[0006] Furthermore, the inner cavity of the cabinet is divided into bilaterally symmetrical energy storage spaces by heat-conducting vertical plates, and each energy storage space is provided with four or five battery racks from top to bottom.

[0007] Furthermore, two supporting rails are symmetrically fixed on both sides of the plate surface of the battery clamp corresponding to the lower surface of the lithium battery.

[0008] Furthermore, a heat conducting block for tightly positioning the lithium battery is fixed on the plate surface of the heat conducting vertical plate corresponding to each lithium battery.

[0009] Furthermore, the fire extinguisher is provided with two fixed installations respectively close to the two plate surfaces of the heat-conducting vertical plate.

[0010] Furthermore, the fire extinguisher is set to be a dry powder fire extinguisher or a carbon dioxide fire extinguisher.

[0011] Furthermore, the cooling fan and the temperature detector are connected with corresponding signals.

[0012] Furthermore, the cabinet door is equipped with a detachable window corresponding to each lithium battery.

[0013] Furthermore, a shutter is installed on the outer port of the heat dissipation hole.

[0014] Due to the adoption of the above-mentioned technical solution, the present invention has the following beneficial effects: The new energy storage device disclosed in the present invention can, when the temperature inside the cabinet is low, not turn on the cooling fan, and only rely on self-heating and heat conduction through the heat-conducting vertical plates and the water storage tank to dissipate heat, thereby reducing energy consumption. When the temperature inside the cabinet is high, the cooling fan is started to improve the heat dissipation effect. By arranging a fire extinguisher and a detector, a fire can be extinguished in time when it occurs in the cabinet. The installation position of the fire extinguisher can not only ensure that the fire extinguishing material can use the air blown by the cooling fan to flow upward for safe and efficient fire extinguishing, but also can cool the fire extinguisher by air cooling and heat conduction during normal storage, thereby increasing its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional schematic diagram of an implementation structure of the present invention; Figure 2 It is a schematic cross-sectional view of another embodiment of the present invention; Figure 3 yes Figure 2 AA sectional view schematic diagram.

[0016] In the figure: 1. Cabinet body; 2. Cabinet door; 3. Window; 4. Support leg; 5. Shutter; 6. Water tank; 7. Cooling fan; 8. Air inlet; 9. Fire extinguisher; 10. Control valve; 11. Battery rack; 12. Diversion hole; 13. Support rail; 14. Heat conduction vertical plate; 15. Heat conduction block; 16. Heat dissipation hole; 17. Smoke detector; 18. Temperature detector; 19. Column; 20. Heat insulation umbrella cover. DETAILED DESCRIPTION

[0017] The technical solution of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention. In the description, it should be understood that if there are terms such as "upper", "lower", "front", "back", "left", and "right" indicating directions or positional relationships, they only correspond to the drawings of the present invention and are for the convenience of describing the present invention, and do not indicate or imply that the device or component referred to must have a specific direction.

[0018] Combined with attachment Figure 1 The new energy storage device comprises a cabinet 1 with a bottom plate and a top plate, wherein a cooling fan 7 and multiple layers of battery racks 11 for holding lithium batteries are provided in the cabinet 1, and a cabinet door 2 is installed on the corresponding side of the cabinet 1 corresponding to the lithium battery removal and placement end face, and a side wall of the cabinet 1 away from the cooling fan 7 is provided with a heat dissipation hole 16. There is also offline energy storage in which the charged lithium batteries are placed on the battery rack 11 in the cabinet 1 for storage, but most of the existing ones are online energy storage, that is, a charging interface is provided in the cabinet 1 corresponding to the position of each battery rack 11. After opening the cabinet door 2 and placing the lithium battery on the battery rack 11, the lithium battery will be directly connected for charging control. The lithium battery will release heat during the charging process, so it is necessary to use the cooling fan 7 and the heat dissipation holes 16 to drive air flow for heat dissipation; as needed, the cabinet door 2 is installed with a detachable window 3 corresponding to each lithium battery to facilitate observation of the status of the lithium battery.

[0019] A water storage tank 6 is fixed on the upper surface of the top plate. Water can be added to the water storage tank 6 actively, and rainwater can also be stored, thereby utilizing the large specific heat capacity of water to absorb heat and insulate. A heat-conducting vertical plate 14 perpendicular to the cabinet door 2 is fixed in the center of the lower surface of the top plate. The heat-conducting vertical plate 14 can extend into the cabinet 1, thereby conducting the temperature in the cabinet 1 to the top plate, thereby improving the heat dissipation efficiency; a temperature detector 18 and a smoke detector 17 are respectively installed on the lower surface of the top plate on both sides of the corresponding heat-conducting vertical plate 14, which are respectively used to detect the temperature in the cabinet 1 and whether smoke is generated. The battery rack 11 is fixed between the heat-conducting vertical plate 14 and the corresponding cabinet 1 side wall, and the battery rack 11 plate surface is provided with a plurality of diversion holes 12, as shown in the attached Figure 2 and Figure 3As shown, specifically, the inner cavity of the cabinet 1 is divided into bilaterally symmetrical energy storage spaces by heat-conducting vertical plates 14, and each energy storage space is provided with four or five battery racks 11 from top to bottom. While ensuring a larger storage space, the heat-conducting vertical plates 14 can also better exert their heat-conducting effect, and the provision of the guide holes 12 can ensure a good air flow effect between the upper and lower battery racks 11; as needed, two supporting rails 13 are symmetrically fixed on both sides of the plate surface of the battery clamp corresponding to the lower surface of the lithium battery, reducing the contact area between the battery clamp and the lithium battery, increasing the bottom space, facilitating air circulation, and also facilitating the lithium battery to slide into and be placed along the support rails 13; in addition, the heat-conducting vertical plates 14 are fixed with heat-conducting blocks 15 for tightly positioning the lithium battery on the plate surface corresponding to each lithium battery, and the heat-conducting blocks 15 can laterally position the lithium battery and also facilitate heat conduction to the heat-conducting vertical plates 14; As needed, the water tank 6 is made of heat-conducting material and is integrally connected to the heat-conducting vertical plate 14 to improve the connection strength and heat-conducting effect. The water in the water tank 6 is mainly used to conduct and reduce the heat inside the cabinet 1, so it is not desired to absorb too much heat from external sunlight. It is preferably arranged that a heat-insulating umbrella cover 20 is provided above the notch of the water tank 6, and a column 19 is fixed in the middle of the bottom of the water tank 6. The center of the lower cover surface of the heat-insulating umbrella cover 20 is fixed to the top of the column 19, and the external heat conduction is isolated by the water tank 6. The cover surface of the heat-insulating umbrella cover 20 is tilted downward from the center to the edge, which can facilitate rainwater to gather from the cover surface of the heat-insulating umbrella cover 20 into the water tank 6, that is, the cover surface of the heat-insulating umbrella cover 20 needs to be as large as possible, but cannot exceed the notch area of the water tank 6.

[0020] A fire extinguisher 9 is fixed at the lower end of the heat-conducting vertical plate 14. The fire extinguisher 9 is set as a dry powder fire extinguisher 9 or a carbon dioxide fire extinguisher 9. For lithium batteries, it may be better to choose a dry powder fire extinguisher 9 when a fire occurs. Preferably, the fire extinguisher 9 is provided with two and fixedly installed on the two plates of the heat-conducting vertical plate 14 respectively, which can extinguish the fire in the two spaces separated by the heat-conducting vertical plate 14, and can also conduct heat and cool down close to the heat-conducting vertical plate 14, thereby keeping the pressure in the fire extinguisher 9 at a lower level and improving the service life of the fire extinguisher 9; the nozzle of the fire extinguisher 9 is installed with a control valve 10 respectively connected to the signal of the temperature detector 18 and the smoke detector 17 to ensure that when the detection reaches the fire temperature value Or when the smoke value is reached, the control valve 10 can be controlled to open to release the fire extinguishing material in the fire extinguisher 9; the bottom plate surface is provided with multiple air inlet holes 8, and the four corners of the lower plate surface of the bottom plate are fixed with support legs 4, and the cooling fan 7 is installed in the center of the upper plate surface of the bottom plate, and the top of the side wall of the cabinet 1 parallel to the heat-conducting vertical plate 14 is provided with a cooling hole 16, so that the cooling fan 7 can send external air into the cabinet 1 and flow upward and be discharged from the cooling hole 16; according to needs, the cooling fan 7 and the temperature detector 18 are connected to each other with corresponding signals, and can specifically control the start of the cooling fan 7 according to the detected temperature in the cabinet 1; in addition, the outer port of the cooling hole 16 is installed with a shutter 5 to prevent external debris from entering the cabinet 1 through the cooling hole 16.

[0021] The new energy storage device of the present invention can achieve the purpose of natural heat dissipation, energy saving and consumption reduction by relying solely on the water in the water storage tank 6 and the heat-conducting vertical plate 14 for conduction cooling when the temperature detector 18 detects that the temperature in the cabinet 1 is lower than 35 degrees. When the temperature detector 18 detects that the temperature in the cabinet 1 is higher than 35 degrees, the cooling fan 7 is controlled to start blowing, so that the outside air enters from the bottom of the cabinet 1, circulates upward to take away the heat of the lithium battery, and is discharged from the heat dissipation hole 16. When the temperature detector 18 detects abnormal combustion stability, or the smoke detector 17 detects smoke, the control valve 10 is opened, and the fire extinguishing material discharged from the fire extinguisher 9 is blown by the cooling fan 7 to extinguish the fire.

[0022] The parts of the present invention that are not described in detail are prior art. It is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the above-mentioned embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the appended claims rather than the above description. Therefore, it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure marks in the claims should not be regarded as limiting the content of the claims involved.

Claims

1. A new energy storage device comprising a cabinet having a bottom plate and a top plate, wherein the cabinet is provided with a cooling fan and multiple battery racks for holding lithium batteries, a cabinet door is installed on the side of the cabinet corresponding to the lithium battery access end face, and a side wall of the cabinet away from the cooling fan is provided with a heat dissipation hole, wherein the device is characterized by: A water tank is fixed on the upper surface of the top plate, a heat-conducting vertical plate perpendicular to the cabinet door is fixed in the center of the lower surface of the top plate, and a temperature detector and a smoke detector are respectively installed on the lower surface of the top plate on both sides of the corresponding heat-conducting vertical plate. The battery rack is fixed between the heat-conducting vertical plate and the corresponding cabinet side wall, and the battery rack surface is provided with a plurality of diversion holes; a fire extinguisher is fixed at the lower end of the heat-conducting vertical plate, and the nozzle of the fire extinguisher is installed with a control valve connected to the temperature detector and the smoke detector signals respectively; the bottom plate is provided with a plurality of air inlet holes, and legs are fixed at the four corners of the lower surface of the bottom plate, the cooling fan is installed in the center of the upper surface of the bottom plate, and the top of the cabinet side wall parallel to the heat-conducting vertical plate is provided with cooling holes.

2. The new energy storage device according to claim 1, characterized in that: The water storage tank is made of heat-conducting material and is integrally connected to the heat-conducting vertical plate. A heat-insulating umbrella cover is provided above the notch of the water storage tank. A column is fixed to the middle of the bottom of the water storage tank. The center of the lower cover surface of the heat-insulating umbrella cover is fixed to the top of the column. The cover surface of the heat-insulating umbrella cover is tilted downward from the center to the edge.

3. The new energy storage device according to claim 1, characterized in that: The inner cavity of the cabinet is divided into bilaterally symmetrical energy storage spaces by heat-conducting vertical plates, and each energy storage space is provided with four or five battery racks from top to bottom.

4. The new energy storage device according to claim 1, characterized in that: Two supporting rails are symmetrically fixed on the plate surface of the battery clamping plate corresponding to the lower surface of the lithium battery.

5. The new energy storage device according to claim 1, characterized in that: The heat-conducting vertical plate corresponding to each lithium battery is fixed with a heat-conducting block for tightly positioning the lithium battery.

6. The new energy storage device according to claim 1, characterized in that: The fire extinguisher is provided with two plates which are fixedly installed close to the two plate surfaces of the heat-conducting vertical plate.

7. The new energy storage device according to claim 1, characterized in that: The fire extinguisher is set as a dry powder fire extinguisher or a carbon dioxide fire extinguisher.

8. The new energy storage device according to claim 1, characterized in that: The cooling fan and the temperature detector are connected with corresponding signals.

9. The new energy storage device according to claim 1, characterized in that: The cabinet door is provided with a detachable window corresponding to each lithium battery.

10. The new energy storage device according to claim 1, characterized in that: The outer port of the heat dissipation hole is equipped with a shutter.

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