Temperature control device and energy storage system

Abstract

The invention provides a temperature control device and an energy storage system. The temperature control device comprises a temperature control module and a pipeline module. The temperature control module is used for providing a temperature control medium. The pipeline module comprises a first main path, a plurality of first branches, a second main path, a plurality of second branches and a plurality of third branches, the first main path is communicated with the temperature control module and the first branches, and the second main path is communicated with the temperature control module and the second branches; each first branch is suitable for being communicated with one side of each first battery module in a one-to-one correspondence manner, each third branch is suitable for being communicated with the other side of each first battery module in a one-to-one correspondence manner, each second branch is suitable for being communicated with one side of each second battery module in a one-to-one correspondence manner, and each third branch is suitable for being communicated with one side of each second battery module in a one-to-one correspondence manner. Therefore, the temperature control device is beneficial to reducing the temperature control cost, improving the temperature control effect, and simplifying the structure of the pipeline module and the complexity of arrangement.

Description

Technical Field

[0001] The present invention relates to the technical field of energy storage devices, and in particular to a temperature control device and an energy storage system. Background Art

[0002] With the development of the energy storage market and the sharp increase in user demand for industrial and commercial energy storage applications, energy storage systems are gradually developing from single-battery clusters to multi-battery clusters. The dual-battery cluster design has gradually become an important development direction for energy storage systems due to its advantages such as high energy density, high system conversion rate, flexible modular assembly, and intelligent integrated management.

[0003] The energy storage system needs to have a temperature control function. By delivering temperature control media, the battery temperature can be effectively controlled to ensure stable operation of the system. However, with the increase in the capacity of the energy storage system, the traditional single battery cluster liquid cooling system has been unable to meet the demand. In related technologies, multiple battery clusters usually use multiple liquid cooling systems for temperature control and adjustment, and the layout of the temperature control pipelines is complex. This design makes the energy storage system structure complex, the temperature control effect is uneven, the battery temperature consistency is poor, and the space utilization rate is low, which also increases the manufacturing cost. Summary of the invention

[0004] The main purpose of the present invention is to provide a temperature control device and an energy storage system, which are conducive to reducing the temperature control cost, improving the temperature control effect, and simplifying the structure and layout complexity of the pipeline module.

[0005] To achieve the above objectives, the embodiments of the present invention adopt the following technical solutions: A temperature control device for an energy storage system, wherein the energy storage system comprises a first battery cluster having a plurality of first battery modules and a second battery cluster having a plurality of second battery modules, wherein the temperature control device comprises: A temperature control module, used for providing a temperature control medium; A pipeline module, comprising a first main path, a plurality of first branches, a second main path, a plurality of second branches, and a plurality of third branches, wherein the first main path is connected to the temperature control module and each of the first branches, the second main path is connected to the temperature control module and each of the second branches, each of the first branches, each of the second branches, and each of the third branches are located on one side of the temperature control module along a first direction, and each of the first branches, each of the second branches, and each of the third branches extend along a second direction perpendicular to the first direction; Among them, along the second direction, each of the first branches is suitable for connecting one side of each of the first battery modules in a one-to-one manner, and each of the third branches is suitable for connecting one side of each of the first battery modules in a one-to-one manner, and each of the second branches is suitable for connecting one side of each of the second battery modules in a one-to-one manner, and each of the third branches is suitable for connecting one side of each of the second battery modules in a one-to-one manner.

[0006] In some embodiments, the temperature control module is configured to allow the temperature control medium to flow into the first main path, so that the temperature control medium can flow through each of the first branches simultaneously from the first main path, then flow through each of the third branches simultaneously, then flow through each of the second branches simultaneously, and then flow through the second main path and return to the temperature control module.

[0007] In some embodiments, a third direction is perpendicular to the first direction and the second direction, and the pipeline module is located on one side of the temperature control module along the third direction.

[0008] In some embodiments, the pipeline module further includes a quick-release joint, which is configured to be detachably connected. The quick-release joint includes a trigger structure, which has a locked state and an unlocked state. When the trigger structure is in the locked state, the quick-release joint is fixedly connected to at least one of the first main path, the first branch, the second main path, the second branch, and the third branch. When the trigger structure is subjected to an external driving force, it can be switched from the locked state to the unlocked state to release the fixed connection.

[0009] An embodiment of the second aspect of the present invention further provides an energy storage system, including the temperature control device according to any of the above embodiments; the first battery cluster; and the second battery cluster, where the first battery cluster and the second battery cluster are arranged opposite to each other along the second direction.

[0010] In some embodiments, the energy storage system further includes a plurality of battery cluster mounting structures for mounting the first battery cluster and the second battery cluster; The first branch includes a first bending section, and the first bending section bends to form a first avoidance space, and at least part of the battery cluster mounting structure is located in the first avoidance space; And / or, The second branch includes a second bending section, and the second bending section bends to form a second avoidance space, and at least part of the battery cluster mounting structure is located in the second avoidance space; And / or, The third branch includes a third bending section, and the third bending section bends to form a third avoidance space, and at least part of the battery cluster mounting structure is located in the third avoidance space.

[0011] In some embodiments, a third direction is perpendicular to the first direction and the second direction, and the battery cluster mounting structure forms a sliding connection with the first battery module and forms a sliding connection with the second battery module, so that both the first battery module and the second battery module can move along the third direction to connect to or separate from the battery cluster mounting structure.

[0012] In some embodiments, the energy storage system further includes a cabinet body and wiring. The cabinet body forms a cavity, and the wiring, the temperature control device, the first battery cluster, and the second battery cluster are all located in the cavity; The third direction is perpendicular to the first direction and the second direction. Along the third direction, the pipeline module is located on one side of the temperature control module along the third direction; When observed along the third direction, at least part of the first main circuit and at least part of the wiring are both located between the first battery cluster and the cabinet body, and / or when observed along the third direction, at least part of the second main circuit and at least part of the wiring are both located between the second battery cluster and the cabinet body.

[0013] In some embodiments, the energy storage system further includes a cabinet body, a PCS, a control box, and a power distribution box. The cabinet body forms a cavity, and the PCS, the control box, the power distribution box, the temperature control device, the first battery cluster, and the second battery cluster are all located in the cavity; The first direction is the vertical direction, the second direction is the horizontal direction. The first battery cluster, the temperature control device, and the power distribution box are arranged in sequence from top to bottom. The PCS and the control box are both located on the lower side of the second battery cluster, and the PCS and the control box are both located on one side of the power distribution box along the second direction close to the second battery cluster.

[0014] In some embodiments, the energy storage system further includes a detection module. The detection module is configured to respectively detect the temperatures of the first battery cluster and the second battery cluster and provide a temperature control signal to the control component. The temperature control module responds to the temperature control signal and adjusts the temperature control ability of the temperature control medium.

[0015] Compared with the prior art, the beneficial effects of the present invention are: The temperature control device of the present invention includes a temperature control module and a pipeline module. The temperature control module is used to provide a temperature control medium. The pipeline module includes a first main pipeline, a plurality of first branch pipelines, a second main pipeline, a plurality of second branch pipelines, and a plurality of third branch pipelines. The first main pipeline can simultaneously transport the cooling medium provided by the temperature control module to each first branch pipeline, and the second main pipeline can simultaneously transport the cooling medium provided by the temperature control module to each second branch pipeline. The third branch pipeline plays a role in connecting the first battery module and the second battery module respectively and transporting the temperature control medium between them. In order to enable the temperature control module to cool the battery cluster through the pipeline module, each first branch pipeline can evenly transport the cooling medium to each first battery module, and each second branch pipeline can evenly recover the cooling medium from each second battery module. Compared with the solution of using multiple liquid cooling systems for temperature control adjustment respectively in the related art, the temperature control device of the present invention enables the temperature control device to achieve the temperature control effect on multiple battery clusters through one temperature control module, which can effectively reduce the temperature control cost of single battery cluster superposition, simplify the structure and layout complexity of the pipeline module, and the layout of the pipeline module is more reasonable, resulting in high temperature control efficiency and uniform temperature control. Therefore, the temperature control device is beneficial to reducing the temperature control cost, improving the temperature control effect, and simplifying the structure and layout complexity of the pipeline module. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0017] Figure 1 The front view schematic diagram of the temperature control device provided in an embodiment of the present invention applied to an energy storage system; Figure 2 The three-dimensional schematic diagram of the temperature control device provided in an embodiment of the present invention applied to an energy storage system; Figure 3 For Figure 3 The partial enlarged schematic diagram at position A in Figure 4 The three-dimensional schematic diagram of the temperature control device provided in an embodiment of the present invention; Figure 5 For Figure 4 The partial enlarged schematic diagram at position B in Figure 6 For Figure 4 The partial enlarged schematic diagram at position C in

[0018] Explanation of the reference numerals in the drawings: Temperature control device 100; Temperature control module 110; Pipeline module 120; first main path 121; first branch path 122; first bending section 1221; first avoidance space 1222; second main path 123; second branch path 124; second bending section 1241; second avoidance space 1242; third branch path 125; third bending section 1251; third avoidance space 1252; quick-release joint 126; trigger structure 1261; Energy storage system 200; first battery cluster 210; first battery module 211; second battery cluster 220; second battery module 221; battery cluster installation structure 230; cabinet 240; cavity 241; PCS 250; control box 260; distribution box 270; First direction X; Second direction Y; Third direction Z.

[0019] The realization, functional characteristics and advantages of the object of the present invention will be further described in conjunction with the embodiments with reference to the accompanying drawings. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0021] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship and movement conditions between components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0022] In addition, if there are descriptions such as "first" and "second" in the embodiments of the present invention, the descriptions of "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or", "and / or" or "and / or" appear throughout the text, their meanings include three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or a solution that satisfies both A and B at the same time. In addition, the technical solutions between the embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present invention.

[0023] In the related art, a multi-battery cluster usually uses multiple liquid cooling systems to perform temperature control and adjustment separately, and the layout of the temperature control pipelines is complicated. This design makes the energy storage system structure complex, the temperature control effect is uneven, the battery temperature consistency is poor, and the space utilization rate is low, which also increases the manufacturing cost.

[0024] In view of this, see Figures 1-6 , a temperature control device 100 is provided in an embodiment of the present invention. The temperature control device 100 is used in an energy storage system 200. Specifically, the energy storage system 200 can be an industrial and commercial energy storage cabinet. By integrating batteries, intelligent management systems and power conversion equipment, efficient storage and flexible scheduling of electric energy can be achieved, helping users optimize electricity costs, improve energy utilization efficiency and ensure power supply stability. The energy storage system 200 includes a first battery cluster 210 having a plurality of first battery modules 211 and a second battery cluster 220 having a plurality of second battery modules 221. In the description of the present invention, the temperature control device 100 is applied to the energy storage system 200, and the energy storage system 200 is placed flat on the ground for illustration.

[0025] Specifically, the temperature control device 100 includes a temperature control module 110 and a pipeline module 120. Figure 1 , Figure 2 and Figure 3 , the temperature control module 110 is used to provide a temperature control medium. The temperature control module 110 provides a temperature control medium that can be used for cooling or heating. Specifically, the temperature control module 110 can be a liquid-cooled host, and the temperature control medium can be a coolant. The liquid-cooled host can store and supply the coolant through the pipeline, thereby using the coolant as a cooling medium. The circulating coolant takes away the heat generated during the operation of the equipment, thereby achieving efficient heat dissipation. For ease of description, the following is an example in which the temperature control module 110 is a liquid-cooled host.

[0026] See also Figure 1 , Figure 2 and Figure 3, the pipeline module 120 includes a first main path 121, a plurality of first branch paths 122, a second main path 123, a plurality of second branch paths 124, and a plurality of third branch paths 125. The first main path 121 is connected to the temperature control module 110 and each first branch path 122. The second main path 123 is connected to the temperature control module 110 and each second branch path 124. Each first branch path 122, each second branch path 124, and each third branch path 125 are all located on one side of the temperature control module 110 along the first direction X, and each first branch path 122, each second branch path 124, and each third branch path 125 all extend along the second direction Y perpendicular to the first direction X. It should be noted that each first branch path 122 is respectively connected to different positions of the first main path 121, and each second branch path 124 is respectively connected to different positions of the second main path 123. It can be understood that one of the first main path 121 and the second main path 123 can be used to obtain the temperature control medium provided by the temperature control module 110, and the other can be used to return the temperature control medium to the temperature control module 110. In order to make the temperature control function more flexible, in some embodiments, the temperature control module 110 can transport the temperature control medium in two opposite directions, so that the functions of the above-mentioned first main path 121 and the second main path 123 can be interchanged according to requirements. The following will take the embodiment in which the first main path 121 is used to obtain the temperature control medium provided by the temperature control module 110 and the second main path 123 is used to return the temperature control medium to the temperature control module 110 as an example. Thus, the first main path 121 can transport the cooling medium provided by the temperature control module 110 to each first branch path 122 at the same time, and the second main path 123 can transport the cooling medium provided by the temperature control module 110 to each second branch path 124 at the same time, so that each first branch path 122 and each second branch path 124 can uniformly obtain and transport the cooling medium.

[0027] In order to enable the temperature control module 110 to cool the battery cluster through the pipeline module 120, refer to Figure 1 , Figure 2 and Figure 3, along the second direction Y, each first branch 122 is adapted to communicatively connect with one side of each first battery module 211 in a one-to-one correspondence, each third branch 125 is adapted to communicatively connect with the other side of each first battery module 211 in a one-to-one correspondence, and each second branch 124 is adapted to communicatively connect with one side of each second battery module 221 in a one-to-one correspondence, and each third branch 125 is adapted to communicatively connect with one side of each second battery module 221 in a one-to-one correspondence. Among them, the third branch 125 serves to connect the first battery module 211 and the second battery module 221 respectively and convey the temperature control medium therebetween. The above settings enable the temperature control device 100 to achieve temperature control of multiple battery clusters through one temperature control module 110, which can effectively reduce the temperature control cost of single battery cluster superposition and simplify the structure and layout complexity of the pipeline module 120; further, it also enables each first branch 122 to uniformly convey the cooling medium to each first battery module 211, and each second branch 124 to uniformly recover the cooling medium from each second battery module 221, resulting in high temperature control efficiency and uniform temperature control, which is beneficial to the temperature consistency of each battery module. In some embodiments, in addition to being applicable to temperature control of the first battery cluster 210 and the second battery cluster 220, the temperature control device 100 can also perform temperature control on a greater number of battery clusters. At this time, if the total number of battery clusters is N, then the third branch 125 is correspondingly provided with N - 1 groups. For example, when N = 3, the energy storage system 200 further includes a third battery cluster, and the third branch 125 is provided with 2 groups. The first group of the third branch 125 is connected between the first battery cluster 210 and the second battery cluster 220, and the second group of the third branch 125 is connected between the second battery cluster 220 and the third battery cluster.

[0028] It can be seen that the temperature control device 100 of the present invention includes a temperature control module 110 and a pipeline module 120. The temperature control module 110 is used to provide a temperature control medium. The pipeline module 120 includes a first main path 121, a plurality of first branch paths 122, a second main path 123, a plurality of second branch paths 124, and a plurality of third branch paths 125. The first main path 121 can simultaneously transport the cooling medium provided by the temperature control module 110 to each of the first branch paths 122, and the second main path 123 can simultaneously transport the cooling medium provided by the temperature control module 110 to each of the second branch paths 124. The third branch paths 125 serve to connect the first battery module 211 and the second battery module 221 respectively and transport the temperature control medium between them. In order to enable the temperature control module 110 to cool the battery cluster through the pipeline module 120, each of the first branch paths 122 can uniformly transport the cooling medium to each of the first battery modules 211, and each of the second branch paths 124 can uniformly recover the cooling medium from each of the second battery modules 221. Compared with the solution in the related art that uses multiple liquid cooling systems for temperature control adjustment respectively, the temperature control device 100 of the present invention enables the temperature control device 100 to achieve temperature control of multiple battery clusters through one temperature control module 110, which can effectively reduce the temperature control cost of single battery cluster superposition, simplify the structure and layout complexity of the pipeline module 120, and the layout of the pipeline module 120 is more reasonable, resulting in high temperature control efficiency and uniform temperature control. Therefore, the temperature control device 100 is beneficial to reducing the temperature control cost, improving the temperature control effect, and simplifying the structure and layout complexity of the pipeline module 120.

[0029] For the specific flow direction of the temperature control medium in the working state, see Figure 1 、 Figure 2 and Figure 3 , in some embodiments, the temperature control module 110 is configured to be able to introduce the temperature control medium into the first main path 121, so that the temperature control medium can flow through each of the first branch paths 122 simultaneously from the first main path 121, then flow through each of the third branch paths 125 simultaneously, then flow through each of the second branch paths 124 simultaneously, and then flow through the second main path 123 and return to the temperature control module 110. It can be understood that the above settings enable the pipeline module 120 and the first battery cluster 210 as well as the second battery cluster 220 to jointly form a circulation loop of the temperature control medium. The first main path 121 serves to obtain the temperature control medium and distribute it to each of the first branch paths 122. Each of the first branch paths 122 simultaneously provides the temperature control medium to its corresponding first battery module 211. After the temperature control medium flows through the first battery cluster 210, each of the third branch paths 125 further simultaneously provides the temperature control medium to its corresponding second battery module 221. After the temperature control medium flows through the second battery cluster 220, the temperature control medium simultaneously flows through each of the second branch paths 124 and converges to the second main path 123, and then returns to the temperature control module 110 through the second main path 123 to form a complete circulation loop.

[0030] For the layout position of the pipeline module 120, refer to Figure 1 , Figure 2 and Figure 3 . In some embodiments, the following defines that the third direction Z is perpendicular to the first direction X and the second direction Y. Along the third direction Z, the pipeline module 120 is located on one side of the temperature control module 110 along the third direction Z. The above setting enables all parts of the pipeline module 120 to be located on one side of the temperature control module 110 along the third direction Z. Specifically, the third direction Z is the front-back direction. The energy storage system 200 further includes a cabinet 240. The cabinet 240 itself forms a cavity 241. The temperature control device 100 is accommodated in the cavity 241. The cabinet 240 includes a cabinet door for closing or opening the cabinet 240. The cabinet door can define the cavity 241. The cabinet door and the pipeline module 120 are both located on the front side of the temperature control module 110. Since the front side where the switch surface is located is suitable for user operation, the above position setting makes the pipeline module 120 convenient for operation, disassembly and assembly. And since the pipeline module 120 only occupies the space on one side of the temperature control module 110, the space utilization rate is high and the pipeline layout is more reasonable.

[0031] To make the pipeline module 120 more convenient for disassembly and assembly, refer to Figure 4 and Figure 6 . In some embodiments, the pipeline module 120 further includes a quick-release joint 126. The quick-release joint 126 is configured for detachable connection. The quick-release joint 126 includes a trigger structure 1261. The trigger structure 1261 has a locked state and an unlocked state. When the trigger structure 1261 is in the locked state, the quick-release joint 126 is fixedly connected to at least one of the first main path 121, the first branch path 122, the second main path 123, the second branch path 124, and the third branch path 125. When the trigger structure 1261 is subjected to an external driving force, it can be switched from the locked state to the unlocked state to release the fixed connection. The quick-release joint 126 can be used in occasions that require frequent disassembly and assembly. Its design feature is the plug-and-play operation. Through the trigger structure 1261 and the locking structure of the quick-release joint 126, the quick-release structure can achieve sealed connection when inserted and disconnected when pulled out. The operation is simple and the sealing performance is reliable. Each part of the pipeline of the pipeline module 120 can be made of plastic material. The quick-release joint 126 can form a snap connection with the pipeline module 120, and the unlocking and locking of the snap connection can be achieved through the trigger structure 1261. In some other embodiments, the pipeline module 120 can also adopt any other type of joint and form any form of detachable coupling connection or fixed connection. In addition, any part of the pipeline module 120 can be fixedly connected to other parts of the energy storage system 200 by using a fixed clamp, such as being fixed to the cabinet 240 of the energy storage system 200.

[0032] For a more specific structural layout of the pipeline module 120, in Figures 4-5In the illustrated embodiment, the pipeline module 120 further includes a tee joint. A tee joint is used to connect each first branch 122 and the first main path 121, and each second branch 124 and the second main path 123. The first main path 121 includes a plurality of first main path 121 segments that are oppositely arranged along the first direction X and are connected to each other through quick-release joints 126. The longer first main path 121 segments are connected to each first branch 122, and the shorter first main path 121 segments are bent and then connected to the temperature control module 110. The elbow is connected to the temperature control module 110. Similarly, the second main path 123 includes a plurality of second main path 123 segments that are oppositely arranged along the first direction X and are connected to each other through quick-release joints 126. The middle second main path 123 segment extends along the second direction Y around the temperature control module 110. The longer second main path 123 segment located on the upper side is connected to each second branch 124, and the shorter second main path 123 segment located on the lower side is bent and then connected to the temperature control module 110. In some embodiments, the pipeline module 120 further includes an exhaust valve, and the exhaust valve is connected to the end of the second main path 123 along the second direction Y away from the temperature control module 110.

[0033] An embodiment of the second aspect of the present invention further provides an energy storage system 200. The energy storage system 200 includes the temperature control device 100 of any of the above embodiments, a first battery cluster 210, and a second battery cluster 220. The first battery cluster 210 and the second battery cluster 220 can both be composed of a plurality of battery packs (Packs) connected in series or in parallel. They are used to store electrical energy and release electrical energy when needed. The first battery cluster 210 and the second battery cluster 220 are oppositely arranged along the second direction Y. Among them, the structures or parameters of the first battery cluster 210 and the second battery cluster 220 can be the same or different. In Figure 1 , Figure 2 and Figure 3 the illustrated embodiment, the first battery cluster 210 and the second battery cluster 220 are the same and are symmetrically arranged along the second direction Y. For various settings of the energy storage system 200, reference can be made to the relevant descriptions of any of the above embodiments. Benefiting from the improvements to the temperature control device 100 in the above embodiments, the energy storage system 200 in the second aspect embodiment of the present invention has the same technical effects as the temperature control device 100 in the above embodiments. Details are not described herein again.

[0034] The following describes the more specific settings of the energy storage system 200. Refer to Figure 1 , Figure 2 and Figure 3, in some embodiments, each pipeline in the pipeline module 120 may include a bent pipe structure to adapt to the spatial layout or avoid other structures. Regarding the avoidance effect of the bent pipe structure, specifically, in some embodiments, the energy storage system 200 further includes a plurality of battery cluster mounting structures 230 for mounting the first battery cluster 210 and the second battery cluster 220. The battery cluster mounting structure 230 may be any suitable structure, and its connection with the first battery cluster 210 and the second battery cluster 220 may be any form of detachable connection or fixed connection. Based on the setting of the battery cluster mounting structure 230, in some embodiments, the first branch 122 may include a first bending section 1221 that bends to form a first avoidance space 1222, and at least part of the battery cluster mounting structure 230 is located in the first avoidance space 1222; similarly, for the second branch 124, the second branch 124 may include a second bending section 1241 that bends to form a second avoidance space 1242, and at least part of the battery cluster mounting structure 230 is located in the second avoidance space 1242; similarly, for the third branch 125, the third branch 125 may include a third bending section 1251 that bends to form a third avoidance space 1252, and at least part of the battery cluster mounting structure 230 is located in the third avoidance space 1252. It can be understood that the above-mentioned first bending section 1221, second bending section 1241, and third bending section 1251 are all bent pipe structures and can be used to avoid the battery cluster mounting structure 230. In some embodiments, the first bending section 1221 and the second bending section 1241 both bend to form an "L" shape, and the third bending end bends to form an upwardly arched arch shape. More specifically, in some embodiments, the battery cluster mounting structure 230 forms a sliding connection with the first battery module 211 (the sliding connection may specifically be a mating connection of mounting rails. For example, one of the battery cluster mounting structure 230 and the first battery module 211 is provided with a sliding protrusion, and the other is provided with a sliding groove, and the sliding protrusion extends into the sliding groove to form a sliding connection). Similarly, the battery cluster mounting structure 230 forms a sliding connection with the second battery module 221, so that both the first battery module 211 and the second battery module 221 can move along the third direction Z to connect or disconnect from the battery cluster mounting structure 230. According to the above settings, when the cabinet door of the energy storage system 200 is opened, the first battery cluster 210 and the second battery cluster 220 can be directly installed or removed along the third direction Z without being interfered by other components. In addition, in the above settings, the battery cluster mounting structure 230 can form a sliding connection with any number of first battery modules 211 and any number of second battery modules 221. In Figures 1-3 the illustrated embodiment, the number of the battery cluster mounting structures 230 is the same as the total number of the first battery modules 211 and the second battery modules 221 and forms a sliding connection in one-to-one correspondence.

[0035] See Figure 1 、 Figure 2 and Figure 3 , in some embodiments, the energy storage system 200 further includes a cabinet 240 and wiring, the wiring can be used to transmit electric energy or electrical signals, the cabinet 240 forms a cavity 241, and the wiring, the temperature control device 100, the first battery cluster 210, and the second battery cluster 220 are all located in the cavity 241. Based on the various components set as above, the following defines the third direction Z perpendicular to the first direction X and the second direction Y. In order to make the spatial layout of the energy storage system 200 more reasonable, in some embodiments, along the third direction Z, the pipeline module 120 is located on one side of the temperature control module 110 along the third direction Z. When observing along the third direction Z, at least part of the first main path 121 and at least part of the wiring are both located between the first battery cluster 210 and the cabinet 240, and / or when observing along the third direction Z, at least part of the second main path 123 and at least part of the wiring are both located between the second battery cluster 220 and the cabinet 240. It can be understood that since the pipeline module 120 and at least part of the wiring are arranged oppositely along the third direction Z, their arrangements will not interfere with each other. And after the first main path 121 and / or the second main path 123 are arranged in the space for arranging the wiring (that is, the space between the first battery cluster 210 and the cabinet 240, or the space between the second battery cluster 220 and the cabinet 240), there will be no waste of the arrangement space, and it makes the pipeline module 120 easy to disassemble and assemble. In addition to being used to accommodate the wiring, the space between the first battery cluster 210 and the cabinet 240 or the space between the second battery cluster 220 and the cabinet 240 can also be used to arrange other components, such as an electric control box, etc.

[0036] For the spatial layout form between other various components of the energy storage system 200, see Figure 1 、 Figure 2 and Figure 3, in some embodiments, the energy storage system 200 further includes a cabinet 240, a PCS 250, a control box 260, and a power distribution box 270. The cabinet 240 forms a cavity 241. The PCS 250, the control box 260, the power distribution box 270, the temperature control device 100, the first battery cluster 210, and the second battery cluster 220 may all be located in the cavity 241. Compartments may be provided at the positions where the above-mentioned components are arranged to separate (or substantially separate) them from other components. Among them, the PCS 250 is a Power Conversion System, which is mainly used to convert direct current (DC) into alternating current (AC), or perform the opposite conversion operation; the control box 260 can be responsible for the monitoring and management of the entire energy storage system 200. Exemplarily, the control box 260 can ensure the safe and efficient operation of the energy storage system 200 by collecting and processing data from various sensors, such as the voltage, current, temperature, etc. of the battery. The control box 260 can also be responsible for the overall coordination of the energy storage system 200, including monitoring the charge and discharge status of the battery, power scheduling, data collection and analysis; the power distribution box 270 is mainly responsible for the distribution and control of electric energy and is a bridge between the energy storage system 200 and the external power grid. Exemplarily, the power distribution box 270 can be responsible for distributing the electric energy of the battery cluster to the inverter, the power grid, or the load device.

[0037] According to the various components defined above, refer to Figure 1 , Figure 2 and Figure 3 , in some embodiments, the first direction X is the vertical direction, and the second direction Y is the horizontal direction. Based on this, the first battery cluster 210, the temperature control device 100, and the power distribution box 270 are arranged in sequence from top to bottom. Both the PCS 250 and the control box 260 are located on the lower side of the second battery cluster 220. Both the PCS 250 and the control box 260 are located on the side of the power distribution box 270 closer to the second battery cluster 220 along the second direction Y. It can be understood that the space inside the cabinet 240 can be divided into upper and lower layers, and each layer can be further divided into left and right sides. The first battery cluster 210 and the second battery cluster 220 are respectively placed on the left and right sides of the upper layer. The control box 260 and the PCS 250 are provided on one side of the lower layer along the second direction Y. The control box 260 and the PCS 250 are arranged in a stacked manner up and down. The temperature control module 110 and the power distribution box 270 are provided on the other side of the lower layer along the second direction Y. The temperature control module 110 is stacked on the upper side of the power distribution box 270. According to requirements, in some other embodiments, there may be other arrangement forms for the various components of the energy storage system 200.

[0038] In some embodiments, the energy storage system 200 further includes a detection module configured to detect the temperature of the first battery cluster 210 and the temperature of the second battery cluster 220 respectively and provide a temperature control signal to the control component. The temperature control module 110 adjusts the temperature control ability of the temperature control medium in response to the temperature control signal. It should be noted that the above temperature detection function can be to directly detect the temperature of any part of the battery cluster itself or to detect the temperature of the environment around the battery cluster. Specifically, the detection module may include a temperature sensor for detecting the temperature of the first battery cluster 210 and the temperature of the second battery cluster 220 respectively. The temperature sensor can emit a temperature control signal, and the temperature control signal can be only a control signal or can reflect the measured temperature. Further, after receiving the temperature control signals from the first battery cluster 210 and the second battery cluster 220, the detection module can compare the temperatures of the two to adjust the temperature control scheme. Specifically, when the temperature control module 110 is configured for cooling, the detection module can compare the maximum temperatures of the first battery cluster 210 and the second battery cluster 220, and perform temperature control adjustment on the first battery cluster 210 and the second battery cluster 220 with the temperature control parameters corresponding to the maximum temperature. Specifically, it can be to adjust the temperature control medium or the delivery parameters of the temperature control medium, so as to adjust the temperature control ability of the temperature control medium.

[0039] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention. Any equivalent structural transformation made by using the content of the specification and drawings of the present invention under the application concept of the present invention, or any direct / indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. A temperature control device for an energy storage system, wherein the energy storage system comprises a first battery cluster having a plurality of first battery modules and a second battery cluster having a plurality of second battery modules, wherein: The temperature control device comprises: A temperature control module, used for providing a temperature control medium; A pipeline module, comprising a first main path, a plurality of first branches, a second main path, a plurality of second branches, and a plurality of third branches, wherein the first main path is connected to the temperature control module and each of the first branches, the second main path is connected to the temperature control module and each of the second branches, each of the first branches, each of the second branches, and each of the third branches are located on one side of the temperature control module along a first direction, and each of the first branches, each of the second branches, and each of the third branches extend along a second direction perpendicular to the first direction; Among them, along the second direction, each of the first branches is suitable for connecting one side of each of the first battery modules in a one-to-one manner, and each of the third branches is suitable for connecting one side of each of the first battery modules in a one-to-one manner, and each of the second branches is suitable for connecting one side of each of the second battery modules in a one-to-one manner, and each of the third branches is suitable for connecting one side of each of the second battery modules in a one-to-one manner.

2. The temperature control device according to claim 1, characterized in that: The temperature control module is configured to be able to pass the temperature control medium into the first main path, so that the temperature control medium can flow from the first main path through each of the first branches at the same time, then flow through each of the third branches at the same time, then flow through each of the second branches at the same time, then flow through the second main path and return to the temperature control module.

3. The temperature control device according to claim 1, characterized in that: The third direction is perpendicular to the first direction and the second direction, and the pipeline module is located on one side of the temperature control module along the third direction.

4. The temperature control device according to claim 1, characterized in that: The pipeline module also includes a quick-release joint, which is configured to be detachably connected. The quick-release joint includes a trigger structure, and the trigger structure has a locked state and an unlocked state. When the trigger structure is in the locked state, the quick-release joint is fixedly connected to at least one of the first main road, the first branch road, the second main road, the second branch road, and the third branch road. When the trigger structure is subjected to an external driving force, it can be switched from the locked state to the unlocked state to release the fixed connection.

5. An energy storage system, characterized in that: include: The temperature control device according to any one of claims 1 to 4; the first battery cluster; as well as, The second battery cluster, the first battery cluster and the second battery cluster are arranged opposite to each other along the second direction.

6. The temperature control device according to claim 5, characterized in that: The energy storage system further includes a plurality of battery cluster mounting structures, wherein the battery cluster mounting structures are used to mount the first battery cluster and the second battery cluster; The first branch includes a first curved section, the first curved section is bent to form a first avoidance space, and at least part of the battery cluster installation structure is located in the first avoidance space; and / or, The second branch includes a second curved section, the second curved section is bent to form a second avoidance space, and at least part of the battery cluster installation structure is located in the second avoidance space; and / or, The third branch includes a third curved section, the third curved section is bent to form a third avoidance space, and at least a portion of the battery cluster installation structure is located in the third avoidance space.

7. The temperature control device according to claim 6, characterized in that: The third direction is perpendicular to the first direction and the second direction, and the battery cluster mounting structure forms a sliding connection with the first battery module, and the battery cluster mounting structure forms a sliding connection with the second battery module, so that the first battery module and the second battery module can both move along the third direction to connect or separate from the battery cluster mounting structure.

8. The energy storage system according to claim 5, characterized in that: The energy storage system further includes a cabinet and wiring, the cabinet forms a cavity, and the wiring, the temperature control device, the first battery cluster and the second battery cluster are all located in the cavity; The third direction is perpendicular to the first direction and the second direction, and along the third direction, the pipeline module is located on one side of the temperature control module along the third direction; When viewed along the third direction, at least part of the first main circuit and at least part of the wiring are located between the first battery cluster and the cabinet, and / or, when viewed along the third direction, at least part of the second main circuit and at least part of the wiring are located between the second battery cluster and the cabinet.

9. The energy storage system according to claim 5, characterized in that: The energy storage system further includes a cabinet, a PCS, a control box, and a distribution box, wherein the cabinet forms a cavity, and the PCS, the control box, the distribution box, the temperature control device, the first battery cluster, and the second battery cluster are all located in the cavity; The first direction is a vertical direction, the second direction is a horizontal direction, the first battery cluster, the temperature control device and the distribution box are arranged in sequence from top to bottom, the PCS and the control box are both located on the lower side of the second battery cluster, and the PCS and the control box are both located on the side of the distribution box close to the second battery cluster along the second direction.

10. The energy storage system according to claim 5, characterized in that: The energy storage system further includes a detection module configured to detect the temperature of the first battery cluster and the temperature of the second battery cluster respectively and provide a temperature control signal to the control component. The temperature control module adjusts the temperature control capability of the temperature control medium in response to the temperature control signal.

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