Energy storage battery device

Abstract

The utility model provides an energy storage battery device which comprises a shell, a plurality of single batteries, cooling liquid, a multi-pipeline valve, a cooling pipe and an electric pump, a plurality of independent cavities are arranged in the shell, the axes of the single batteries are in a horizontal state and are sequentially arranged on the horizontal plane, and the single batteries are arranged in a plurality of layers; the cooling liquid flows in a gap in the cavity, the gap in the cavity is communicated with a water inlet of the electric pump, and the multi-pipeline valve is arranged between the cavity and the electric pump; a water outlet of the electric pump is connected with the cooling pipe, and a backflow pipeline is arranged between the cooling pipe and the cavity. According to the utility model, the problem of internal heating of the energy storage battery is solved, heating is avoided, and the safety of the battery device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technology field especially relates to a kind of energy storage battery device. BACKGROUND

[0002] The existing electrochemical energy storage device mainly connects or parallels small cell units by certain method to form large battery module and battery system with cylindrical battery, square aluminum shell battery and soft package battery cell.The main problem of this mode is the potential safety hazard of system thermal runaway caused by too many single bodies.In addition, the common method in the industry is to vertically place the battery cell, and the gap between the battery cells causes low volume utilization of the battery system. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model provides an energy storage battery device, which solves the problems of internal heating of the energy storage battery in the prior art affecting safety and low volume utilization.

[0004] According to the embodiment of the utility model, an energy storage battery device includes a shell, a plurality of battery monomers, a cooling liquid, a multi-pipeline valve, a cooling pipe and an electric pump, the shell is internally provided with a plurality of independent chambers, the axis of the battery monomer is in a horizontal state and is sequentially arranged on a horizontal plane, and the battery monomer is provided with a plurality of layers; the cooling liquid flows in the gap in the chamber, the gap in the chamber is in communication with the water inlet of the electric pump, and the multi-pipeline valve is arranged between the chamber and the electric pump; the water outlet of the electric pump is connected with the cooling pipe, and a backflow pipeline is arranged between the cooling pipe and the chamber.

[0005] The technical principle of the utility model is that the cooling liquid is circulated through the cooling pipe by the externally arranged electric pump, so as to reduce the stability of the battery monomer, and the shell interior is partitioned, the cooling liquid of the chamber where the internal battery unit generates heat is sequentially refrigerated, and the load of the electric pump is reduced.

[0006] Preferably, the battery monomer is cylindrical, and the length of the battery monomer ranges from 100 to 2000 mm.

[0007] Preferably, the battery monomers of the upper layer and the two battery monomers of the lower layer are tangent at the same time.

[0008] Preferably, the shell is internally provided with four chambers.

[0009] Preferably, the cooling pipe is in S-shaped structure arranged on a vertical plane.

[0010] Preferably, the utility model further includes a secondary pump body and a rotating blade, the secondary pump body is in communication with the cooling pipe, and the rotating blade and the rotating shaft of the secondary pump body are provided with a magnetic coupling for connection.

[0011] Compared with the prior art, the utility model has the advantages that the utility model discloses through the electric pump circulates the cooling liquid through the cooling pipe fast, avoids the inside steady rise of battery device, improves the security when using the battery, the horizontal placement battery monomer improves the physical utilization rate of battery device. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the whole structure schematic diagram of the utility model.

[0013] Figure 2 It is the cooling pipe schematic diagram of the utility model.

[0014] Figure 3 It is the battery monomer placement drawing of the utility model.

[0015] In the above-mentioned drawing: 1, the casing;2, the electric pump;3, the multi-pipeline valve;4, the cooling pipe;5, the water outlet pipeline;6, the backflow pipeline;7, the rotating vane;8, the battery monomer;9, the auxiliary pump body. DETAILED DESCRIPTION

[0016] The technical scheme in the utility model will be further explained below in connection with the drawings and examples.

[0017] As Figure 1 The utility model discloses a kind of energy storage battery devices, including casing 1, several battery monomers 8, cooling liquid, multi-pipeline valve 3, cooling pipe 4 and electric pump 2, the casing 1 inside is provided with several independent chambers, the axis of the battery monomer 8 is horizontal state and is arranged in sequence in horizontal plane, battery monomer 8 is provided with several layers. The cooling liquid flows in the gap in the chamber, the gap in the chamber is all communicated with the water inlet of the electric pump 2, and the multi-pipeline valve 3 is arranged between chamber and electric pump 2. The water outlet of the electric pump 2 is connected with the cooling pipe 4 and is provided with water outlet pipeline 5, and backflow pipeline 6 is further provided between the cooling pipe 4 and the chamber. In the embodiment, battery monomer 8 is provided with two layers. When battery device is charged and discharged, cooling liquid is circulated through cooling pipe 4 and then backflows into chamber when electric pump 2 starts. Battery is charged and discharged in sequence by partition, and the device is circulated and cooled by the multi-pipeline valve 3. Battery monomer 8 is wrapped with insulation layer, and battery monomer 8 and cooling liquid are insulated. Insulating gel is used to wrap electrode connection position of battery monomer 8 to avoid short circuit with cooling liquid.

[0018] Preferably, the battery monomer 8 is cylindrical, and the length of the battery monomer 8 is in the range of 100-2000 mm. The energy of the cylindrical battery cell is improved, the volume energy density is improved, and the manufacturing cost is reduced.

[0019] As Figure 3 shown, as preferred, the upper battery cell 8 and the lower two battery cells 8 are tangent at the same time, so that the overall thickness of the battery device is reduced. In this embodiment, the battery device is arranged at the bottom of the car, and reducing the thickness of the battery device helps to reduce the center of gravity of the car, so that the car is safer when driving.

[0020] As preferred, four chambers are arranged inside the shell 1.

[0021] As Figure 2 shown, as preferred, the cooling pipe 4 is arranged in an S-shaped structure on the vertical plane. In this embodiment, the cooling pipe 4 is arranged at the front of the car, and air and the cooling pipe 4 are in contact, so that the cooling liquid is quickly cooled. The S-shaped structure increases the contact surface of the air and the cooling pipe 4.

[0022] As Figure 2 shown, as preferred, a secondary pump body 9 and a rotating vane 7 are further included, the cooling pipe 4 is communicated with the secondary pump body 9, and the rotating shaft of the rotating vane 7 and the secondary pump body 9 is provided with a magnetic coupling for connection. When the car is driving, the airflow drives the rotating vane 7 to rotate, and the rotating vane 7 makes the secondary pump body 9 work to make the cooling liquid circulate, reducing the consumption of the electric pump 2 to the circuit. When the electric pump 2 drives the cooling pipe 4 to circulate quickly, the cooling liquid passes through the speed hole of the secondary pump body 9, and the rotating vane 7 can be disconnected with the rotating shaft of the secondary pump body 9.

[0023] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. An energy storage battery device, characterized by: The application relates to a battery cooling device, which comprises a shell (1), a plurality of battery monomers (8), cooling liquid, a multi-pipeline valve (3), a cooling pipeline (4) and an electric pump (2), the shell (1) is internally provided with a plurality of independent chambers, the axes of the battery monomers (8) are in a horizontal state and are arranged in sequence in a horizontal plane, the battery monomers (8) are provided with a plurality of layers; the cooling liquid flows in the gaps in the chambers, the gaps in the chambers are communicated with the water inlets of the electric pump (2) and the multi-pipeline valve (3) is arranged between the chambers and the electric pump (2); the water outlet of the electric pump (2) is connected with the cooling pipeline (4), and a backflow pipeline is arranged between the cooling pipeline (4) and the chambers.

2. An energy storage cell device as claimed in claim 1, wherein: The battery monomer (8) is in a cylindrical shape, and the length of the battery monomer (8) ranges from 100 mm to 2000 mm.

3. An energy storage cell device as claimed in claim 1, wherein: The battery monomer (8) in the upper layer and the two battery monomers (8) in the lower layer are tangent to each other.

4. An energy storage cell device as claimed in claim 1, wherein: The shell (1) is internally provided with four chambers.

5. An energy storage cell device as claimed in claim 1, wherein: The cooling pipeline (4) is in an S-shaped structure arranged in a vertical plane.

6. An energy storage cell device as in claim 1, wherein: The application further comprises a secondary pump body (9) and a rotating vane (7), the secondary pump body (9) is communicated with the cooling pipeline (4), and the rotating vane (7) and the rotating shaft of the secondary pump body (9) are provided with a magnetic coupling for connection.

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