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Method for cooling container energy storage system through underground water and temperature adjusting system thereof

An energy storage system and temperature regulation technology, which is applied in the direction of electrical components, electrochemical generators, secondary batteries, etc., can solve problems such as difficult energy storage system temperature regulation, achieve the effect of improving the cooling effect and ensuring the safety of the battery

Active Publication Date: 2021-05-07
安徽海螺新能源有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for using groundwater to cool container energy storage systems, so as to solve the problem in the prior art that it is difficult to adjust the temperature of energy storage systems in different working states under the condition of avoiding direct cooling or heating in a low temperature environment. technical problem

Method used

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  • Method for cooling container energy storage system through underground water and temperature adjusting system thereof
  • Method for cooling container energy storage system through underground water and temperature adjusting system thereof
  • Method for cooling container energy storage system through underground water and temperature adjusting system thereof

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Embodiment 1

[0027] Such as Figure 1-6 As shown, the present invention provides a temperature regulation system for cooling container energy storage systems using groundwater, including a waterway system, a control system and an air duct system, and the control system is used to control the waterway system and the air duct system according to the collected temperature data , the waterway system includes a constant temperature circulating water pump 12 for extracting groundwater from the constant temperature water layer, several fan coil units 4 and hot water storage tanks 15, and the constant temperature circulating water pump 12 passes through several of the fan coil units through pipelines 4 connected to the hot water storage tank 15, the air duct system includes an inner circulation air duct, an outer circulation air duct and an air duct switching mechanism, and the inner circulation air duct and the outer circulation air duct pass through the air duct The switching mechanism realizes ...

Embodiment 2

[0034] Such as Figure 5 As shown, this embodiment further improves the waterway system on the basis of Embodiment 1 of the present invention. The waterway system also includes a return water circulation pump 16 and a three-way regulating valve 11. The pipeline includes a constant temperature water inlet pipe 6, connecting Pipe and return pipe 5, the adjacent fan coil units 4 are connected through connecting pipes, the constant temperature water inlet pipe 6 is connected to the first fan coil unit 4 that enters the water, and the fan coil unit 4 that finally discharges water passes through the return pipe 5 communicates with the hot water storage tank 15, the return water circulation pump 16 extracts the water after heat exchange from the hot water storage tank 15, and the two water inlets of the three-way regulating valve 11 are respectively connected to the The constant temperature circulating water pump 12 and the return water circulating water pump 16 , the water outlet of...

Embodiment 3

[0047] Such as Figure 6 As shown, this embodiment further improves the waterway system on the basis of Embodiment 1 of the present invention. The constant temperature water inlet pipe 6 arranged outside the container 1 adopts a multi-branch pipeline structure, and the water inlet of the constant temperature water inlet pipe 6 The water inlet end of the main pipe 19 is connected to the water outlet of the constant temperature circulating water pump 12, and the multiple branches of the constant temperature water inlet pipe 6 are respectively connected to the first fan coil unit 4 in each container 1, so that a constant temperature water storage tank 10 can Groundwater in a constant temperature water layer is sent to a plurality of containers 1 . Similarly, the return pipe 5 also adopts a multi-branch pipeline structure. The last fan coil unit 4 of each container 1 is connected to each branch pipe passing through the return pipe 5, and the return water main pipe 20 of the return...

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Abstract

The invention discloses a method for cooling a container energy storage system through underground water and a temperature adjusting system thereof. According to the method, an internal circulation cooling mode is adopted, specifically, underground water of a constant-temperature water layer is pumped and then fed into a hot water reservoir through a plurality of fan coils, and meanwhile the temperature adjusting system pumps air in a battery cabin; the extracted air in the cabin respectively flows through each fan coil through internal circulation air ducts to exchange heat with the underground water, and the air in the cabin is blown into the battery cabin to realize cooling; when the temperature in the battery cabin is still continuously higher than the high-temperature threshold value in the internal circulation cooling mode, the temperature adjusting system is switched into an external circulation cooling mode, the internal circulation air ducts are switched into external circulation air ducts communicated with the outside, and the external circulation air ducts suck external air, and the external air flows through each fan coil and then is blown into the battery cabin to realize cooling. Under the condition that direct refrigeration or heating is avoided in a low-temperature environment, the temperature of the energy storage system in different working states is adjusted.

Description

technical field [0001] The invention relates to a method for cooling a container energy storage system by using underground water and a temperature regulating system thereof. Background technique [0002] In recent years, under the vigorous promotion of the country and the government, renewable energy has attracted more and more attention, and the lithium-ion container energy storage system has been widely used on the user side and the power grid because of its low maintenance cost, long service life, and no pollution. side. The container used in the energy storage system is divided into a battery compartment and an equipment compartment. In the battery compartment, a plurality of lithium-ion batteries are arranged through battery racks, and monitoring equipment is arranged in the equipment compartment. However, the lithium-ion battery generates a lot of heat during operation, and it needs to be cooled in time, otherwise the life of the lithium-ion battery will be reduced. ...

Claims

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Application Information

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IPC IPC(8): H01M10/613H01M10/627H01M10/633H01M10/615H01M10/6556H01M10/6568H01M10/6563H01M10/637
CPCH01M10/613H01M10/627H01M10/633H01M10/615H01M10/6556H01M10/6568H01M10/6563H01M10/637Y02E60/10
Inventor 杨树全张双林杨海泉温小刚西征朱丰华张海波
Owner 安徽海螺新能源有限公司
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