Liquid cooling system for energy storage equipment and energy storage system

Abstract

The utility model relates to the technical field of energy storage, and discloses a liquid cooling system for energy storage equipment and an energy storage system. The liquid cooling system for the energy storage equipment comprises a cooling module, a heat exchange module and a dehumidification module. The heat exchange module comprises a heat exchanger, and the heat exchanger comprises a refrigerant flow path and a water flow path. The refrigerant flow path is communicated with the cooling module to form a refrigerant circulation flow path. The dehumidification module communicates with the water flow path of the heat exchange module to form a circulating water flow path. The heat of the refrigerant flow path and the water flow path is exchanged through the heat exchange module, the water flow path is cooled, and the dehumidification module communicates with the water flow path to form a circulating water flow path. When the humid air passes through the dehumidification module, the dehumidification module conducts dehumidification treatment on the humid air, and dehumidification through the circulating water flow path is achieved. Compared with the prior art, the consumption of the refrigerant is reduced, so that the refrigerant adding frequency of a user is reduced, and the use experience of the user is improved.

Description

Technical Field

[0001] The present application relates to the field of energy storage technology, for example, to a liquid cooling system and an energy storage system for energy storage equipment. Background Art

[0002] In energy storage devices, multiple batteries connected in series and parallel are usually placed in a box so that the box can effectively protect the batteries. In actual use, it is necessary to ensure that the battery is within a suitable operating temperature range to ensure its safety and reliability. The battery will generate a lot of heat during operation, so a cooling and heat dissipation system is required to dissipate the heat of the energy storage device so that the battery can operate normally within an appropriate temperature range. The current cooling and heat dissipation systems mostly use liquid cooling to dissipate heat, that is, a water pump drives the refrigerant to various places in the battery compartment, and the heat emitted by the battery is taken away by the battery cooling liquid cold plate. However, the traditional liquid cooling system does not have a dehumidification function, which is not conducive to the operation of batteries and other electrical equipment when the air humidity is high. Therefore, there is an urgent need for a solution to control the air humidity in the battery compartment.

[0003] In order to dehumidify the air in the battery compartment, the relevant technology proposes a storage liquid cooling system with integrated dehumidification function, including a cooling condensing module and a heat exchange module, the heat exchange module is used to reduce the temperature of the battery, the cooling condensing module is connected to a dehumidification module, the dehumidification module is used to dehumidify the air in the battery compartment, the dehumidification module and the cooling condensing module form a circulation loop, or the dehumidification module, the cooling condensing module and the heat exchange module form a circulation loop.

[0004] In the publicly available implementation process, the energy storage liquid cooling system using the integrated dehumidification function has the following problems:

[0005] In the related art, although the dehumidification module and the cooling condensation module form a circulation loop or the dehumidification module, the cooling condensation module and the heat exchange module form a circulation loop, so that the refrigerant flows through the dehumidification module, the dehumidification module dehumidifies the air in the battery compartment. However, dehumidification by refrigerant circulation will accelerate the consumption of refrigerant, increase the frequency of refrigerant addition by users, and reduce the user experience.

[0006] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present application, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0007] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical components or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0008] The disclosed embodiments provide a liquid cooling system and an energy storage system for energy storage equipment, which utilize a circulating water flow path for dehumidification, thereby reducing the consumption of refrigerant and the frequency of refrigerant addition by users, thereby improving the user experience.

[0009] In some embodiments, a liquid cooling system for an energy storage device is provided, comprising: a cooling module; a heat exchange module, the heat exchange module comprising a heat exchanger, the heat exchanger comprising a refrigerant flow path and a water flow path, the refrigerant flow path is connected to the cooling module to form a refrigerant circulation flow path; a dehumidification module, the dehumidification module is connected to the water flow path of the heat exchange module to form a circulating water flow path.

[0010] Optionally, the dehumidification module includes: a dehumidification coil, which is connected to the water flow path of the heat exchange module and is used to condense and dehumidify the air flowing through the dehumidification coil.

[0011] Optionally, the dehumidification module also includes: a fan, which is arranged on one side of the dehumidification coil.

[0012] Optionally, the dehumidification module also includes: a water receiving tray, located below the dehumidification coil, for collecting condensed water generated by the dehumidification coil; a drain pipe, the water inlet end of the drain pipe is connected to the water receiving tray, and is used to discharge the condensed water collected in the water receiving tray.

[0013] Optionally, the dehumidification module further includes: a first valve body, located on the pipeline between the water inlet end of the dehumidification coil and the water outlet end of the water flow path, and used for opening or closing the dehumidification module.

[0014] Optionally, the heat exchange module further includes: a water inlet pipe connected to the water inlet end of the water flow path; a water outlet pipe connected to the water outlet end of the water flow path; and a water pump disposed on the water inlet pipe.

[0015] Optionally, the heat exchange module further includes: a second valve body, located on the water outlet pipe.

[0016] In some embodiments, an energy storage system is provided, comprising: a box body, comprising a first cabin body and a second cabin body; an energy storage device, arranged in the first cabin body; and a liquid cooling system for the energy storage device as described in any of the above embodiments, wherein the cooling module and the heat exchange module are arranged in the second cabin body, and the dehumidification module is arranged in the first cabin body or the second cabin body.

[0017] Optionally, the box body also includes a ventilation port and a return air port, and the first cabin body and the second cabin body are connected through the ventilation port and the return air port; the energy storage system also includes a first damper and a second damper, the first damper is arranged at the ventilation port, and the second damper is arranged at the return air port.

[0018] Optionally, the box body also includes a first air supply port and a second air supply port, and the first air supply port and the second air supply port are arranged on opposite sides of the second cabin body, and the first air supply port is located on the side adjacent to the ventilation port; the energy storage system also includes a third air gate and a fourth air gate, and the third air gate is arranged at the first air supply port, and the fourth air gate is arranged at the second air supply port.

[0019] The liquid cooling system and energy storage system for energy storage equipment provided by the embodiments of the present disclosure can achieve the following technical effects:

[0020] The liquid cooling system for energy storage equipment provided by the embodiment of the present disclosure includes a cooling module, a heat exchange module and a dehumidification module. The heat exchange module includes a heat exchanger, and the heat exchanger includes a refrigerant flow path and a water flow path. The refrigerant flow path is connected to the cooling module to form a refrigerant circulation flow path. The dehumidification module is connected to the water flow path of the heat exchange module to form a circulating water flow path.

[0021] In the liquid cooling system for energy storage equipment provided by the embodiment of the present disclosure, the heat exchange module is used to exchange the heat between the refrigerant flow path and the water flow path, and the water flow path is cooled, and the dehumidification module is connected with the water flow path to form a circulating water flow path. When the humid air passes through the dehumidification module, the dehumidification module dehumidifies it, and dehumidification is achieved by using the circulating water flow path. Compared with the related art, the consumption of refrigerant is reduced, thereby reducing the frequency of users adding refrigerant and improving the user experience.

[0022] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] One or more embodiments are exemplarily described by corresponding drawings, which do not limit the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements, and the drawings do not constitute a scale limitation, and wherein:

[0024] Figure 1 is a structural schematic diagram of a liquid cooling system for an energy storage device provided in an embodiment of the present disclosure;

[0025] Figure 2 is a structural schematic diagram of a liquid cooling system for an energy storage device provided by another embodiment of the present disclosure;

[0026] Figure 3 is a structural schematic diagram of a liquid cooling system for an energy storage device provided by another embodiment of the present disclosure;

[0027] Figure 4 is a schematic diagram of the structure of the energy storage system provided by an embodiment of the present disclosure;

[0028] Figure 5 It is a structural schematic diagram of an energy storage system provided in another embodiment of the present disclosure.

[0029] Reference numerals:

[0030] 1Liquid cooling system for energy storage equipment;

[0031] 10 cooling module; 110 electronic expansion valve; 120 condenser; 130 compressor; 140 condensing fan;

[0032] 20 heat exchange module; 210 heat exchanger; 220 water inlet pipe; 230 water outlet pipe; 240 water pump; 250 second valve body;

[0033] 30 dehumidification module; 310 dehumidification coil; 320 fan; 330 water receiving tray; 340 drainage pipe; 350 first valve body;

[0034] 40 three-way valve; 50 first connecting pipe; 60 second connecting pipe;

[0035] 2. Energy storage system;

[0036] 70 box body; 710 first cabin body; 720 second cabin body; 722 ventilation port; 724 return air port; 726 first air supply port; 728 second air supply port

[0037] 80 energy storage devices. DETAILED DESCRIPTION

[0038] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0039] The terms "first", "second", etc. in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so that the embodiments of the embodiments of the present disclosure described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0040] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0041] In addition, the terms "disposed", "connected", and "fixed" should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0042] Unless otherwise stated, the term "plurality" means two or more.

[0043] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B indicates: A or B.

[0044] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.

[0045] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

[0046] Combination Figures 1 to 3 As shown, the embodiment of the present disclosure provides a liquid cooling system 1 for energy storage equipment, including a cooling module 10, a heat exchange module 20 and a dehumidification module 30. The heat exchange module 20 includes a heat exchanger 210, and the heat exchanger 210 includes a refrigerant flow path and a water flow path. The refrigerant flow path is connected to the cooling module 10 to form a refrigerant circulation flow path. The dehumidification module 30 is connected to the water flow path of the heat exchange module 20 to form a circulating water flow path.

[0047] The liquid cooling system 1 for energy storage equipment provided in the embodiment of the present disclosure can exchange heat between the refrigerant flow path and the water flow path through the heat exchange module 20, cool the water flow path, and the dehumidification module 30 is connected to the water flow path to form a circulating water flow path. When the humid air passes through the dehumidification module 30, the dehumidification module 30 dehumidifies it, realizing dehumidification using the circulating water flow path. Compared with the related art, the consumption of refrigerant is reduced, thereby reducing the frequency of users adding refrigerant and improving the user experience.

[0048] Optionally, combined Figures 1 to 3 As shown, the dehumidification module 30 includes a dehumidification coil 310. The dehumidification coil 310 is connected to the water flow path of the heat exchange module 20, and is used to condense and dehumidify the air flowing through the dehumidification coil 310.

[0049] In this embodiment, the dehumidification module 30 includes a dehumidification coil 310. The dehumidification coil 310 is connected to the water flow path of the heat exchange module 20, forming a circulating water flow path. The water flow after the temperature reduction treatment of the heat exchange module 20 passes through the dehumidification module 30, so that the surface temperature of the dehumidification coil 310 is relatively low, so as to achieve condensation and dehumidification of the wet air flowing through the dehumidification coil 310. Specifically, since the surface temperature of the wet coil is relatively low, when the air flows through the dehumidification coil 310, heat exchange occurs with the dehumidification coil 310, the air temperature is reduced, and the water vapor in the air reaches a cannon and state, and the water vapor condenses into liquid water on the surface of the dehumidification coil 310, that is, condensed water. By connecting the dehumidification coil 310 to the circulating water flow path and performing dehumidification treatment on the energy storage system 2, it is avoided that a new dehumidification device is added to dehumidify the energy storage system 2, thereby reducing the environmental management cost of the energy storage system 2.

[0050] Optionally, combined Figure 1 As shown, the dehumidification module 30 further includes a fan 320. The fan 320 is disposed on one side of the dehumidification coil 310.

[0051] In this embodiment, the dehumidification module 30 includes a dehumidification coil 310 and a fan 320. The fan 320 is disposed on one side of the dehumidification coil 310. The fan 320 is used to guide air to flow through the dehumidification coil 310 and accelerate the air circulation rate. By accelerating the rate at which air flows through the dehumidification coil 310, the dehumidification efficiency of the dehumidification module 30 is improved, further improving the user experience.

[0052] Optionally, combined Figures 1 to 3 As shown, the dehumidification module 30 further includes a water receiving pan 330 and a drain pipe 340. The water receiving pan 330 is located below the dehumidification coil 310 and is used to collect condensed water generated by the dehumidification coil 310. The water inlet end of the drain pipe 340 is connected to the water receiving pan 330 and is used to discharge the condensed water collected in the water receiving pan 330.

[0053] In this embodiment, the dehumidification module 30 includes a dehumidification coil 310, a water receiving pan 330 and a drain pipe 340. The water receiving pan 330 is located below the dehumidification coil 310, and the water inlet end of the drain pipe 340 is connected to the water receiving pan 330. During the dehumidification process of the dehumidification module 30 on the humid air, condensed water will be generated on the surface of the dehumidification coil 310. By setting the water receiving pan 330 below the dehumidification coil 310, the condensed water generated by the dehumidification coil 310 is collected to reduce the risk of affecting or damaging other components of the energy storage system 2 due to the overflow of condensed water. At the same time, a drain pipe 340 is set to be connected to the water receiving pan 330 to guide the condensed water collected in the water receiving pan 330 to be discharged, reducing the risk of condensed water overflowing from the water receiving pan 330 due to excessive collection of condensed water in the water receiving pan 330, thereby further reducing the risk of affecting or damaging other components of the energy storage system 2.

[0054] Optionally, combined Figure 1 and Figure 2 As shown, the dehumidification module 30 further includes a first valve body 350. The first valve body 350 is located on the pipeline between the water inlet end of the dehumidification coil 310 and the water outlet end of the water flow path, and is used to open or close the dehumidification module 30.

[0055] In this embodiment, the dehumidification module 30 includes a first valve body 350 and a dehumidification coil 310. The first valve body 350 is located on the pipeline between the water inlet end of the dehumidification coil 310 and the water outlet end of the water flow path, and the first valve body 350, the dehumidification coil 310 and the water flow path form a circulating water flow path. The first valve body 350 is used to connect or block the circulating water flow path formed between the first valve body 350, the dehumidification coil 310 and the water flow path, so as to open or close the dehumidification module 30 and start or stop the dehumidification mode of the liquid cooling system 1 for energy storage equipment.

[0056] Specifically, when the dehumidification mode is started, the first valve body 350 is opened, and the circulating water flow path formed between the first valve body 350, the dehumidification coil 310 and the water flow path is connected. The water flows through the water flow path to complete the heat exchange with the refrigerant flow path in the heat exchange module 20. The cooled water flows through the first valve body 350 and enters the dehumidification coil 310 to exchange heat with the humid air. The dehumidification coil 310 dehumidifies the humid air. The water flows after the temperature is increased through the dehumidification coil 310 and returns to the water flow path to exchange heat with the refrigerant flow path, thereby realizing the circulation and realizing the stable operation of the dehumidification mode. When the dehumidification mode is stopped, the first valve body 350 is closed, and the first valve body 350 blocks the circulating water flow path formed between the dehumidification coil 310 and the water flow path. The dehumidification module 30 is closed and the dehumidification mode is exited.

[0057] Optionally, combined Figure 1 and Figure 2As shown, the heat exchange module 20 also includes a water inlet pipe 220, a water outlet pipe 230 and a water pump 240. The water inlet pipe 220 is connected to the water inlet end of the water flow path. The water outlet pipe 230 is connected to the water outlet end of the water flow path. The water pump 240 is arranged on the water inlet pipe 220.

[0058] In this embodiment, the heat exchange module 20 includes an inlet pipe 220, an outlet pipe 230 and a water flow path. The inlet pipe 220 is connected to the water inlet end of the water flow path, and the outlet end of the water flow path is connected to the outlet pipe 230. The inlet pipe 220, the outlet pipe 230 and the water flow path form an external circulation water flow path, and the external circulation water flow path is used to reduce the temperature of the energy storage system 2, so that the liquid cooling system 1 for energy storage equipment provided by the present disclosure has a refrigeration function. In addition, a water pump 240 is provided on the pipeline of the water inlet pipe 220, and the water pump 240 is used to speed up the water circulation efficiency. By providing the water pump 240 to speed up the water circulation efficiency, the heat exchange efficiency between the water flow path and the refrigerant flow path is improved, thereby improving the refrigeration efficiency of the liquid cooling system 1 for energy storage equipment.

[0059] Optionally, combined Figure 1 and Figure 2 As shown, the heat exchange module 20 further includes a second valve body 250. The second valve body 250 is located on the water outlet pipe 230.

[0060] In this embodiment, the heat exchange module 20 includes a water inlet pipe 220, a water outlet pipe 230, a water flow path, and a second valve body 250. The second valve body 250 is located on the water outlet pipe 230. The water inlet pipe 220, the water outlet pipe 230, the water flow path, and the second valve body 250 form an external circulation water flow path. The second valve body 250 is used to connect or block the external circulation water flow path formed between the water inlet pipe 220, the water outlet pipe 230 and the water flow path, thereby realizing opening or closing the cooling mode of the liquid cooling system 1 for the energy storage device.

[0061] Specifically, when the cooling mode is started, the second valve body 250 is opened, and the external circulation water flow path formed between the second valve body 250, the water inlet pipe 220, the water outlet pipe 230 and the water flow path is connected. The water flows through the water flow path to complete the heat exchange with the refrigerant flow path in the heat exchange module 20. The cooled water flows through the second valve body 250 and the water outlet pipe 230, and exchanges heat with the energy storage device 80 and / or the air in the energy storage system 2, and cools the energy storage system 2. The heated water flows into the water inlet pipe 220 and then returns to the water flow path to exchange heat with the refrigerant flow path, thereby realizing circulation and achieving stable operation of the cooling mode. When the cooling mode is stopped, the second valve body 250 is closed, and the second valve body 250 blocks the external circulation water flow path formed between the water inlet pipe 220, the water outlet pipe 230 and the water flow path, and exits the cooling mode.

[0062] Optionally, combined Figure 3As shown, the liquid cooling system 1 for energy storage equipment also includes a three-way valve 40, a first connecting pipe 50 and a second connecting pipe 60. The three-way valve 40 includes a first opening, a second opening and a third opening. The first opening is connected to the first connecting pipe 50, the second opening is connected to the water inlet end of the dehumidification module, and the third opening is connected to the water outlet end of the water flow path. The second connecting pipe 60 is connected to the water inlet end of the water flow path.

[0063] In this embodiment, when the second opening is connected to the third opening, a circulating water flow path is formed between the water flow path, the dehumidification module 30 and the three-way valve 40. When the first opening is connected to the third opening, an external circulating water flow path is formed between the water flow path, the three-way valve 40, the first connecting pipe 50 and the second connecting pipe 60. The three-way valve 40 can switch the communication state between the first opening, the second opening and the third opening, so as to realize the communication of the circulating water flow path and / or the external circulating water flow path, and then operate the cooling mode and / or the dehumidification mode.

[0064] Specifically, when the dehumidification mode is in operation, the second opening and the third opening of the three-way valve 40 are connected, and the circulating water flow path formed between the three-way valve 40, the dehumidification coil 310 and the water flow path is connected. The water flows through the water flow path to complete the heat exchange with the refrigerant flow path in the heat exchange module 20, and the cooled water flows through the second opening and the third opening to enter the dehumidification coil 310 to exchange heat with the humid air. The dehumidification coil 310 dehumidifies the humid air, and the water flows after being heated by the dehumidification coil 310 return to the water flow path to exchange heat with the refrigerant flow path, thereby realizing the circulation and achieving the stable operation of the dehumidification mode.

[0065] Specifically, in the case of running the cooling mode, the first opening and the third opening of the three-way valve 40 are connected, and the external circulation water flow path formed by the water flow path, the three-way valve 40, the first connecting pipe 50 and the second connecting pipe 60 are connected. The water flows through the water flow path to complete the heat exchange with the refrigerant flow path in the heat exchange module 20, and the cooled water flows through the first opening and the third opening to flow into the first connecting pipe 50, and exchanges heat with the energy storage device 80 and / or air in the energy storage system 2, cooling the energy storage system 2, and the heated water flows into the second connecting pipe 60 and then returns to the water flow path to exchange heat with the refrigerant flow path, thereby realizing circulation and achieving stable operation in the cooling mode.

[0066] Specifically, when the dehumidification mode and the cooling mode are operated synchronously, the first opening, the second opening, and the third opening of the three-way valve 40 are connected. The first opening and the third opening of the three-way valve 40 are connected to the circulating water flow path formed between the dehumidification coil 310 and the water flow path. The second opening and the third opening of the three-way valve 40 are connected to the external circulating water flow path formed between the water flow path, the first connecting pipe 50, and the second connecting pipe 60. The water flows through the water flow path to complete the heat exchange with the refrigerant flow path in the heat exchange module 20. The water flow after cooling is diverted through the three-way valve 40. A part of the water flows through the second opening and the third opening and enters the dehumidification coil 310. The dehumidification coil 310 dehumidifies the humid air. The water flow after heating through the dehumidification coil 310 returns to the water flow path to exchange heat with the refrigerant flow path, thereby realizing the circulation and realizing the operation of the dehumidification mode. Another part of the water flows through the first opening and the third opening and flows into the first connecting pipe 50 to cool the energy storage system 2. The heated water flows into the second connecting pipe 60 and then returns to the water flow path to exchange heat with the refrigerant flow path, thereby realizing circulation and operating in refrigeration mode.

[0067] Optionally, combined Figures 1 to 3 As shown, the cooling module 10 includes an electronic expansion valve 110, a condenser 120, a compressor 130 and a condensing fan 140. The outlet of the refrigerant flow path is connected to the inlet of the compressor 130. The outlet of the compressor 130 is connected to the inlet of the condenser 120. The outlet of the condenser 120 is connected to the inlet of the refrigerant flow path. The electronic expansion valve 110 is arranged on the pipeline where the outlet of the condenser 120 is connected to the inlet of the refrigerant flow path. The condensing fan 140 is arranged on one side of the condenser 120.

[0068] In this embodiment, the compressor 130 is used to compress the low-temperature and low-pressure gaseous refrigerant into a high-temperature and high-pressure gaseous refrigerant. The high-temperature and high-pressure gaseous refrigerant enters the condenser 120 for cooling, and the heat is taken away by the condensing fan 140 to guide the air to flow through the condenser 120. The refrigerant cooled by the condenser 120 becomes a medium-temperature and high-pressure liquid refrigerant. The medium-temperature liquid refrigerant is depressurized by the electronic expansion valve 110 and becomes a low-temperature and low-pressure liquid refrigerant. The low-temperature and low-pressure liquid refrigerant passes through the refrigerant flow path and exchanges heat with the water flow path. The low-temperature and low-pressure liquid refrigerant is vaporized and becomes a low-temperature and low-pressure gaseous refrigerant, and then returns to the compressor 130 to continue compression and continue the cycle.

[0069] In some embodiments, in combination Figures 1 to 5As shown, an energy storage system 2 is provided, including a box 70, an energy storage device 80, and a liquid cooling system 1 for an energy storage device as described in any of the above embodiments. The box 70 includes a first cabin 710 and a second cabin 720. The energy storage device 80 is arranged in the first cabin 710. Among them, the cooling module 10 and the heat exchange module 20 in the liquid cooling system 1 for an energy storage device are arranged in the second cabin 720, and the dehumidification module 30 is arranged in the first cabin 710 or the second cabin 720.

[0070] In the energy storage system 2 provided by the embodiment of the present disclosure, the energy storage device 80 is arranged in the first cabin 710, and the liquid cooling system 1 for the energy storage device is used to reduce the temperature and / or humidity of the energy storage device 80. By reducing the temperature and / or humidity of the energy storage device 80, the energy storage device 80 is placed in a suitable working environment to ensure the stable operation of the energy storage device 80 and to increase the service life of the energy storage device 80.

[0071] The cooling module 10 and the heat exchange module 20 in the liquid cooling system 1 for energy storage equipment are arranged in the second cabin 720, and the dehumidification module 30 is arranged in the first cabin 710 or the second cabin 720. Figure 1 and Figure 4 As shown, when the dehumidification module 30 is arranged in the first cabin 710 and the heat exchange module 20 is arranged in the second cabin 720, the dehumidification module 30 includes a fan 320, a dehumidification coil 310, a water receiving tray 330 and a drain pipe 340. Among them, the water inlet end of the dehumidification coil 310 is connected to the water outlet end of the water flow path through a pipeline, and the water outlet end of the dehumidification coil 310 is connected to the water inlet end of the water flow path through a pipeline. The fan 320 is located on one side of the dehumidification coil 310. By arranging the dehumidification module 30 and the energy storage device 80 together in the first cabin 710, the path through which the humid air circulates is reduced, thereby improving the dehumidification efficiency of the liquid cooling system 1 for the energy storage device.

[0072] Optionally, combined Figure 5 As shown, the box 70 further includes a vent 722 and a return air vent 724, and the first cabin 710 and the second cabin 720 are connected through the vent 722 and the return air vent 724. The energy storage system 2 further includes a first damper and a second damper, the first damper is arranged at the vent 722, and the second damper is arranged at the return air vent 724.

[0073] In this embodiment, combined Figure 2 , Figure 3 and Figure 5As shown, the dehumidification module 30, the cooling module 10 and the heat exchange module 20 are all arranged in the second cabin 720, and the energy storage device 80 is arranged in the first cabin 710. Among them, the dehumidification module 30 and the cooling module 10 share the condensing fan 140. The first cabin 710 and the second cabin 720 are connected through the vent 722 and the return air port 724. The vent 722 is provided with a first damper, and the return air port 724 is provided with a second damper. When the dehumidification mode is running, the first damper and the second damper are opened, and the air in the first cabin 710 enters the second cabin 720 through the vent 722. The condensing fan 140 guides the air to pass through the dehumidification module 30 for dehumidification, and the dehumidified air returns to the first cabin 710 through the return air port 724, so as to realize the circulation dehumidification of the energy storage system 2. At the same time, the dehumidification module 30 and the cooling module 10 share the condensing fan 140 to reduce the subcomponents of the liquid cooling system 1 for the energy storage device, thereby reducing the cost of assembling the liquid cooling system 1 for the energy storage device.

[0074] Optionally, combined Figure 5 As shown, the box body 70 further includes a first air supply port 726 and a second air supply port 728, which are arranged at opposite sides of the second cabin body 720, and the first air supply port 726 is located on a side adjacent to the vent 722. The energy storage system 2 further includes a third air door and a fourth air door, the third air door is arranged at the first air supply port 726, and the fourth air door is arranged at the second air supply port 728.

[0075] In this embodiment, the first air supply port 726 is located on a side adjacent to the vent 722, the first air supply port 726 and the second air supply port 728 are arranged on opposite sides of the second cabin 720, a third air door is arranged at the first air supply port 726, and a fourth air door is arranged at the second air supply port 728. In the case of running in cooling mode, the third air door and the fourth air door are opened, air enters the second cabin 720 through the first air supply port 726, the condensing fan 140 guides the air to pass through the condenser 120 to take away the heat, the air temperature rises, and the heated air is discharged through the second air supply port 728, so that the heat of the energy storage system 2 is discharged.

[0076] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. A liquid cooling system for energy storage equipment, characterized in that: include: Cooling module; A heat exchange module, the heat exchange module includes a heat exchanger, the heat exchanger includes a refrigerant flow path and a water flow path, the refrigerant flow path is connected to the cooling module to form a refrigerant circulation flow path; The dehumidification module and the water flow path of the dehumidification module are connected with the water flow path of the heat exchange module to form a circulating water flow path.

2. The liquid cooling system for energy storage equipment according to claim 1, characterized in that: The dehumidification module includes: The dehumidification coil is connected to the water flow path of the heat exchange module and is used to condense and dehumidify the air flowing through the dehumidification coil.

3. The liquid cooling system for energy storage equipment according to claim 2, characterized in that: The dehumidification module also includes: The fan is arranged on one side of the dehumidification coil.

4. The liquid cooling system for energy storage equipment according to claim 2, characterized in that: The dehumidification module also includes: The water collection tray is located below the dehumidification coil and is used to collect the condensed water produced by the dehumidification coil; A drain pipe, the water inlet end of which is connected to the water receiving pan, is used to discharge the condensed water collected in the water receiving pan.

5. The liquid cooling system for energy storage equipment according to claim 2, characterized in that: The dehumidification module also includes: The first valve body is located on the pipeline between the water inlet end of the dehumidification coil and the water outlet end of the water flow path, and is used to open or close the dehumidification module.

6. The liquid cooling system for energy storage equipment according to any one of claims 1 to 5, characterized in that: The heat exchange module also includes: A water inlet pipe, connected to the water inlet end of the water flow path; A water outlet pipe connected to the water outlet end of the water flow path; The water pump is arranged on the water inlet pipe.

7. The liquid cooling system for energy storage equipment according to claim 6, characterized in that: The heat exchange module also includes: The second valve body is located on the water outlet pipe.

8. An energy storage system, characterized in that: include: The box body comprises a first cabin body and a second cabin body; An energy storage device is arranged in the first cabin; as well as A liquid cooling system for an energy storage device as claimed in any one of claims 1 to 7, wherein the cooling module and the heat exchange module are arranged in the second cabin, and the dehumidification module is arranged in the first cabin or the second cabin.

9. The energy storage system according to claim 8, characterized in that: The box body also includes a vent and a return air port, and the first cabin body and the second cabin body are connected through the vent and the return air port; The energy storage system also includes a first damper and a second damper, the first damper is arranged at the ventilation port, and the second damper is arranged at the return air port.

10. The energy storage system according to claim 9, characterized in that: The box body also includes a first air supply port and a second air supply port, the first air supply port and the second air supply port are arranged on opposite sides of the second cabin body, and the first air supply port is located on a side adjacent to the vent; The energy storage system also includes a third damper and a fourth damper. The third damper is arranged at the first air supply port, and the fourth damper is arranged at the second air supply port.

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