Functional cabinet and energy storage system
By integrating battery management and temperature control devices into the functional cabinet, the problem of large space occupation by equipment in energy storage containers is solved, energy density is improved, and connection and maintenance are facilitated, achieving more efficient space utilization and flexible application.
Patent Information
- Application Number
- CN202522471825.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-21
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-11-21
AI Technical Summary
In existing energy storage containers, each container needs to be equipped with a set of control, fire protection, electrical and thermal management equipment, which results in high energy consumption and occupies the volume inside the container, thus reducing the energy density of the energy storage container.
Battery management and temperature control devices are centralized in a functional cabinet, which is shared by at least two battery cabinets. Only individual battery cells are installed in the battery cabinet, reducing the space occupied by the equipment. Quick-release interfaces and maintenance channels facilitate connection and maintenance.
It improves the energy density of energy storage containers, saves equipment installation space, facilitates connection and maintenance, and adapts to different application scenarios.
Smart Images
Figure CN223927409U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of energy storage devices, in particular to a function cabinet and an energy storage system. BACKGROUND
[0002] In the existing energy storage container, a set of devices for controlling fire fighting, electricity and heat management, etc. are needed in each energy storage container. These devices consume a lot of energy and occupy a large volume in the container, resulting in low energy density of the energy storage container. CONTENT OF THE UTILITY MODEL
[0003] The present application provides a function cabinet and an energy storage system, which can improve the energy density of the energy storage container.
[0004] The first aspect of the present application provides an energy storage system, comprising at least two battery cabinets and a function cabinet. The battery cabinet comprises a first cabinet body and a battery monomer arranged in the first cabinet body, and the first cabinet body is provided with a first interface. The function cabinet comprises a second cabinet body and a battery management device and a temperature control device arranged in the second cabinet body, and the second cabinet body is provided with a second interface. The first interface and the second interface are connected to connect the battery management device and the temperature control device in the function cabinet to the at least two battery cabinets. The temperature control device at least comprises one of a fire fighting device and a heat exchange device.
[0005] The energy storage system provided by the present application comprises at least two battery cabinets and a function cabinet. The battery monomer is mainly arranged in the battery cabinet, and the battery management device and the temperature control device are arranged in the function cabinet without arranging the battery monomer. In this way, the battery management device and the temperature control device, which are devices that can be shared by at least two battery cabinets, can be integrated in the function cabinet. The space for arranging these devices can be saved in the battery cabinet, and more battery monomers can be arranged to improve the energy density of the battery cabinet. At the same time, the battery management device and the temperature control device arranged in the function cabinet are multiplexed for at least two battery cabinets, i.e. one set of devices can be adapted to at least two battery cabinets, further saving the space required for arrangement, making the space of the entire energy storage system be reasonably utilized, further improving the capacity density, and facilitating the arrangement and layout. In addition, the arrangement of the first interface and the second interface can facilitate the connection between the battery cabinet and the function cabinet.
[0006] In some embodiments of the present application, the battery management device comprises at least one of a transformer, a ring network cabinet and a control cabinet.
[0007] Here, the battery management device can comprise some devices that can be shared by at least two battery cabinets, such as a transformer, a ring network cabinet and a control cabinet, etc. These devices can simultaneously provide functions related to the batteries in at least two battery cabinets, thereby reducing the required devices, reducing the required space for arranging the devices, and effectively utilizing the space in the cabinet.
[0008] In some embodiments of the present application, the energy storage system further comprises energy storage converters, the number of which corresponds to the number of battery cabinets, and the energy storage converters are arranged in the battery cabinets or functional cabinets.
[0009] Here, the energy storage converters are more front-end electrically coupled to each battery cabinet, and the positions where they are arranged can be more required to be arranged in the battery cabinets or functional cabinets. In some cases, the functional cabinet has sufficient space, and the energy storage converter can be arranged in the functional cabinet; in other cases, an energy storage converter needs to be arranged in each battery cabinet, so an energy storage converter can also be arranged in each battery cabinet. The arrangement is convenient and flexible, and can adapt to different application scenarios.
[0010] In some embodiments of the present application, the functional cabinet comprises a first functional cabinet and a second functional cabinet, the battery management device is arranged in the first functional cabinet, and the temperature control device is arranged in the second functional cabinet.
[0011] Here, different functional cabinets can be arranged, and devices with different functions or different volumes can be integrated in different functional cabinets, and these functional cabinets can be matched with different battery cabinets. In this way, the matching and arrangement of the energy storage system are more convenient.
[0012] In some embodiments of the present application, the second functional cabinet is further provided with an energy storage converter, and the number of the energy storage converter corresponds to the number of the battery cabinet.
[0013] Here, in the case where the first functional cabinet and the second functional cabinet are provided, in order to make use of the space in the functional cabinet, the energy storage converter is also arranged in the second functional cabinet, thereby accepting the space in the battery cabinet. In this way, the space in the battery cabinet can further increase the space for arranging battery monomers, and the energy density is improved.
[0014] In some embodiments of the present application, the first functional cabinet and the second functional cabinet are provided with a third interface and a fourth interface, and the third interface and the fourth interface are connected to connect the battery management device and the temperature control device.
[0015] Here, in order to facilitate the connection of the first functional cabinet and the second functional cabinet, the third interface and the fourth interface are respectively arranged on the first functional cabinet and the second functional cabinet, and the battery management device in the first functional cabinet and the temperature control device in the second functional cabinet can be conveniently connected through the third interface and the fourth interface.
[0016] In some embodiments of the present application, the first interface and the second interface are quick release interfaces, and / or the third interface and the fourth interface are quick release interfaces.
[0017] Here, in order to further facilitate the connection between the various cabinet bodies, the connection of the first interface and the second interface, and / or the connection of the third interface and the fourth interface, the first interface and the second interface, and / or the third interface and the fourth interface can be quick release interfaces.
[0018] In some embodiments of the present application, the first function cabinet and the second function cabinet have a first maintenance channel therebetween.
[0019] Here, in order to facilitate the operation, maintenance, and other work of the connection between the various cabinet bodies, a first maintenance channel can be provided between the first function cabinet and the second function cabinet, and then workers can reach the desired operating position through the first maintenance channel.
[0020] In some embodiments of the present application, the second cabinet body has a device layout area and a second maintenance channel inside, the battery management device and the temperature control device are arranged in the device layout area, and the second maintenance channel is avoided.
[0021] Here, the second maintenance channel can be provided inside the function cabinet, and the battery management device and the temperature control device are arranged to avoid the second maintenance channel, so that workers can conveniently enter the function cabinet to maintain and repair the devices.
[0022] In some embodiments of the present application, the second maintenance channel penetrates the second cabinet body along a first direction, and the device layout area is located on both sides of the second maintenance channel.
[0023] Here, the second maintenance channel penetrates the second cabinet body, and the device layout area is located on both sides of the second maintenance channel, that is, through the second maintenance channel, the opposite ends of the function cabinet can be reached, and the devices located on both sides are facilitated.
[0024] In some embodiments of the present application, the second maintenance channel is arranged in the second cabinet body along a second direction, a first end of the second maintenance channel is communicated to outside of the second cabinet body, and the device layout area is located at a second end and on both sides of the second maintenance channel.
[0025] Here, in the function cabinet, the first end of the second maintenance channel is communicated to outside of the second cabinet body, facilitating the entry and exit of workers, and the corresponding devices are arranged at the second end and on both sides of the second maintenance channel, facilitating the maintenance and repair of these devices.
[0026] In some embodiments of the present application, the battery cabinet and the function cabinet have a third maintenance channel therebetween.
[0027] Here, in order to facilitate the connection between the battery cabinet and the function cabinet, and maintenance and repair, a third maintenance channel is provided between the battery cabinet and the function cabinet.
[0028] In some embodiments of the present application, the first cabinet body and the second cabinet body have the same shape, and the volume of the second cabinet body is equal to or less than the volume of the first cabinet body.
[0029] Here, the volume of the battery cabinet and the function cabinet can be consistent, facilitating unified production, transportation and handling, or the function cabinet can be slightly smaller than the battery cabinet, reducing the space required for the entire energy storage system and facilitating layout.
[0030] In some embodiments of the present application, the number of battery cabinets is a multiple of the number of function cabinets.
[0031] Here, one function cabinet can correspond to two or more battery cabinets, for example, two, four, six, eight, etc. Different function cabinets can be used to adapt to the entire energy storage system as needed to facilitate layout.
[0032] The second aspect of the present application provides a function cabinet, comprising a second cabinet body and a battery management device and a temperature control device arranged inside the second cabinet body, the second cabinet body being provided with a second interface, the second interface being used to connect the battery management device and the temperature control device in the function cabinet to at least two battery cabinets.
[0033] Among them, the temperature control device at least includes one of fire-fighting equipment and heat exchange equipment.
[0034] The function cabinet provided by the present application sets the battery management device and the temperature control device in the function cabinet, and does not set the battery monomer. In this way, the battery management device and the temperature control device, which are devices that can be shared by at least two battery cabinets, can be integrated separately in the function cabinet, so that the space for setting these devices in the battery cabinet cooperating with it can be saved, and more battery monomers can be set, thereby improving the energy density of the battery cabinet. At the same time, since the battery management device and the temperature control device arranged in the function cabinet are multiplexed for at least two battery cabinets, i.e., one set of equipment can adapt to at least two battery cabinets, the space required for setting is further saved, and the setting and layout are facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0035] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and serve to explain the principles of the present application together with the specification.
[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.
[0037] Figure 1 The structural schematic diagram of the energy storage system of the embodiments of the present application;
[0038] Figure 2Structure diagram of one function cabinet and two battery cabinets of the energy storage system of the embodiment of the present application;
[0039] Figure 3 Structure diagram of one function cabinet and four battery cabinets of the energy storage system of the embodiment of the present application;
[0040] Figure 4 Structure diagram of two function cabinets and four battery cabinets of the energy storage system of the embodiment of the present application;
[0041] Figure 5 Structure diagram of two function cabinets and four battery cabinets of the energy storage system of the embodiment of the present application;
[0042] Figure 6 Structure diagram of two function cabinets and eight battery cabinets of the energy storage system of the embodiment of the present application.
[0043] Explanation of reference signs:
[0044] 1-battery cabinet; 11-first cabinet body; 12-first interface; 2-function cabinet; 21-second cabinet body; 22-second interface; 23-first function cabinet; 231-third interface; 24-second function cabinet; 241-fourth interface; 3-battery management device; 31-transformer; 32-ring main unit; 33-control cabinet; 4-temperature control device; 41-fire fighting device; 42-heat exchange device; 5-energy storage converter; 6-first maintenance passage; 7-second maintenance passage; 8-third maintenance passage. DETAILED DESCRIPTION
[0045] In order to enable the above objects, features and advantages of the present application to be more clearly understood, the following will further describe the schemes of the present application. It should be explained that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0046] In the following description, many specific details are set forth in order to fully understand the present application, but the present application can also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only some of the embodiments of the present application, not all the embodiments.
[0047] Unless otherwise defined, all the technical and scientific terms used herein have the same meaning as understood by the person skilled in the art to which the present application belongs; the terms used herein are only for the purpose of describing the specific embodiments, not intended to limit the present application; the terms “include” and “have” and any variations thereof in the specification and claims of the present application and the above description of drawings, are intended to cover the non-exclusive inclusion.
[0048] In the description of the embodiments of the present application, the technical terms "first", "second", "third" and the like are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.
[0049] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The occurrence of the phrase in various places in the specification is not necessarily all referring to the same embodiment, nor is it referring to a preferred or alternative embodiment selected from other embodiments that have been provided for illustrative purposes. The skilled person explicitly and implicitly understands that the embodiments described herein can be combined with other embodiments.
[0050] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character " / " herein generally represents an "or" relationship between the front and rear associated objects.
[0051] In the description of the embodiments of the present application, the technical terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the embodiments of the present application and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed in a particular orientation, be operated or used, and therefore cannot be understood as a limitation on the embodiments of the present application.
[0052] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0053] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical term "contact" should be understood in a broad sense, which can be direct contact or contact through an intermediate medium layer, which can be contact between two objects in contact without interaction force, or contact between two objects in contact with interaction force.
[0054] The present application will be described in detail below.
[0055] In the related art, each energy storage container is provided with all the devices required for energy storage, including battery monomers and related control devices, fire-fighting electrical devices, etc. The overall transportation and setting are facilitated.
[0056] However, such a setting mode requires each container to have complete facilities and devices, which will inevitably occupy the space where the battery monomers can be set, that is, the energy density of the energy storage container is limited.
[0057] In addition, there is no special connection interface between the energy storage containers, and it is not very convenient to form a plurality of energy storage containers.
[0058] To solve the above problems, the present application provides a functional cabinet 2 and an energy storage system, which can improve the energy density of the energy storage container.
[0059] The energy storage system can include at least one energy storage cabinet with battery monomers. The cabinet body of the energy storage cabinet can be a standard part meeting the international standards or related Chinese national standards formulated by the International Organization ISO, or a non-standard part. The cabinet body of the energy storage cabinet can be referred to as a container, and the energy storage cabinet can be referred to as an energy storage container. The cabinet body of the energy storage cabinet can have various shapes, such as a prism shape or a cylindrical shape. The prism can be a triangular prism, a quadrangular prism, a pentagonal prism, a hexagonal prism, etc. As an example, the cabinet body of the energy storage cabinet is a quadrangular prism, specifically, a cuboid.
[0060] The battery monomers can be arranged directly in the energy storage cabinet, or can be arranged in the energy storage cabinet after being formed into a module. The present application does not limit this.
[0061] In the present application, the battery monomers can be secondary batteries, which are battery monomers that can be activated by charging after discharging.
[0062] The battery monomers can be lithium ion batteries, sodium ion batteries, sodium lithium ion batteries, lithium metal batteries, sodium metal batteries, lithium sulfur batteries, magnesium ion batteries, nickel hydrogen batteries, nickel cadmium batteries, lead-acid batteries, etc. The present application does not limit this.
[0063] In addition, the battery monomers can be cylindrical battery monomers, prismatic battery monomers, soft-pack battery monomers, or other shaped battery monomers. The prismatic battery monomers include square cell battery monomers, blade-shaped battery monomers, and multi-prismatic battery monomers, such as hexagonal prism battery monomers, etc. The present application does not have special limitations.
[0064] Specifically, the application provides a kind of energy storage system, refer to Figure 1 And Figure 2 Including at least two battery cabinets 1 and function cabinet 2, battery cabinet 1 includes first cabinet body 11 and battery monomer arranged in first cabinet body 11, first cabinet body 11 is equipped with first interface 12;Function cabinet 2 includes second cabinet body 21 and battery management device 3 and temperature control device 4 arranged in second cabinet body 21, second cabinet body 21 is equipped with second interface 22, first interface 12 and second interface 22 are connected, to connect battery management device 3 and temperature control device 4 in function cabinet 2 to at least two battery cabinets 1;Wherein, temperature control device 4 at least includes one of fire-fighting equipment 41 and heat exchange equipment 42.
[0065] Battery cabinet 1 includes first cabinet body 11 and battery monomer arranged in first cabinet body 11, refers to, first cabinet body 11 is arranged in battery monomer, provides the function of storing energy by battery monomer, its inside can only be arranged battery monomer, or battery monomer plus some necessary equipment with smaller space occupation.
[0066] Function cabinet 2 includes second cabinet body 21 and battery management device 3 and temperature control device 4 arranged in second cabinet body 21, refers to, second cabinet body 21 is mainly arranged in some auxiliary equipment except battery monomer, for example, battery management device 3 and temperature control device 4 etc.
[0067] Battery management device 3 refers to the device for managing battery monomer, electrical equipment such as ring network cabinet 32 (Ring Main Unit, RMU for short), transformer 31, control cabinet 33, wherein, ring network cabinet 32 is the switch device for medium voltage distribution system, core function includes circuit control, fault isolation and protection.Its typical composition can include circuit breaker, load switch, fuse, grounding switch and busbar, mainly used to ensure power supply continuity.
[0068] Temperature control device 4 refers to the device for controlling the temperature of environment in energy storage system, can include fire-fighting equipment 41, heat exchange equipment 42 etc., wherein, fire-fighting equipment 41 includes electrical control required for fire-fighting, fire-fighting pipeline etc., heat exchange equipment 42 can include heat exchange piece for water cooling or air cooling, heat exchange channel etc.
[0069] First cabinet body 11 is equipped with first interface 12, second cabinet body 21 is equipped with second interface 22, first interface 12 and second interface 22 are connected, to connect battery management device 3 and temperature control device 4 in function cabinet 2, refers to, two interfaces are arranged on battery cabinet 1 and function cabinet 2 respectively, facilitate the connection between each other.
[0070] The energy storage system provided in the application includes at least two battery cabinets 1 and a function cabinet 2. The battery cabinet 1 is mainly provided with battery monomers, the function cabinet 2 is provided with a battery management device 3 and a temperature control device 4, and no battery monomer is provided. In this way, the battery management device 3 and the temperature control device 4, which are devices that can be shared by at least two battery cabinets 1, can be integrated in the function cabinet 2. The space for setting these devices in the battery cabinet 1 can be saved, and more battery monomers can be set to improve the energy density of the battery cabinet 1. At the same time, the battery management device 3 and the temperature control device 4 provided in the function cabinet 2 are multiplexed for at least two battery cabinets 1, that is, one set of devices can be adapted to at least two battery cabinets 1, further saving the space required for setting, so that the space of the entire energy storage system is reasonably utilized, further improving the capacity density, and facilitating setting and layout. In addition, the first interface 12 and the second interface 22 can facilitate the connection between the battery cabinet 1 and the function cabinet 2.
[0071] In some embodiments of the application, with reference to Figure 1 and Figure 2 , the battery management device 3 includes at least one of a transformer 31, a ring net cabinet 32 and a control cabinet 33.
[0072] That is, in the function cabinet 2, only one of the transformer 31, the ring net cabinet 32 and the control cabinet 33 can be included, two of them can be included, or all three of them can be included. It can be flexibly set according to the demand.
[0073] Here, the battery management device 3 can include some devices that can be shared by at least two battery cabinets 1, such as the transformer 31, the ring net cabinet 32 and the control cabinet 33, etc. These devices can simultaneously provide functions related to the battery in at least two battery cabinets 1, thereby reducing the required devices and the required setting space of the devices, and effectively utilizing the space in the cabinet.
[0074] In some embodiments of the application, with reference to Figure 3 , the energy storage system further includes an energy storage converter 5, the number of the energy storage converter 5 corresponds to the number of the battery cabinet 1, and the energy storage converter 5 is arranged in the battery cabinet 1 or the function cabinet 2.
[0075] The energy storage converter 5 (PCS) is the core device in the energy storage system, which realizes the bidirectional conversion of electric energy. The working principle of PCS is mainly based on power electronic technology, which realizes the conversion and bidirectional flow of electric energy by controlling the on-off of switching devices. Charging mode: convert the alternating current in the power grid into direct current and store it in the energy storage battery; discharging mode: convert the direct current in the energy storage battery into alternating current to supply local load or feed into the power grid.
[0076] Here, the energy storage converter 5 is electrically connected to each battery cabinet 1 in the front end, and the position of the energy storage converter 5 can be set in the battery cabinet 1 or the function cabinet 2. In some cases, the function cabinet 2 has sufficient space, and the energy storage converter 5 can be arranged in the function cabinet 2. In some other cases, the energy storage converter 5 is arranged in each battery cabinet 1. In this way, the energy storage converter 5 can also be arranged in each battery cabinet 1. The arrangement is convenient and flexible, and can adapt to different application scenarios.
[0077] In some embodiments of the present application, with reference to Figure 4 , Figure 5 and Figure 6 , the function cabinet 2 includes a first function cabinet 23 and a second function cabinet 24. The battery management device 3 is arranged in the first function cabinet 23, and the temperature control device 4 is arranged in the second function cabinet 24.
[0078] The function cabinet 2 includes a first function cabinet 23 and a second function cabinet 24, which means that the function cabinet 2 includes at least two, that is, two, three or more. Among them, it must include two, that is, the first function cabinet 23 and the second function cabinet 24.
[0079] The battery management device 3 is arranged in the first function cabinet 23, and the temperature control device 4 is arranged in the second function cabinet 24. This means that the battery management device 3 and the temperature control device 4 can be arranged in different function cabinets 2, and then a plurality of function cabinets 2 can be used for integrating different devices by different functions. This makes the arrangement and layout more flexible.
[0080] Here, the function cabinets 2 with different functions can be arranged, and devices with different functions or different volumes can be integrated in different function cabinets 2. These function cabinets 2 can be matched with different battery cabinets 1. In this way, the matching and arrangement of the energy storage system are more convenient.
[0081] In some embodiments of the present application, the second function cabinet 24 further comprises an energy storage converter 5, and the number of energy storage converters 5 corresponds to the number of battery cabinets 1.
[0082] The second function cabinet 24 further comprises an energy storage converter 5, which means that the energy storage converter 5 can be arranged in the second function cabinet 24 based on the arrangement of the temperature control device 4. In this way, the energy storage converter 5 can not be arranged in the battery cabinet 1, which increases the space in the battery cabinet 1 and improves the energy density.
[0083] Here, in the case where the first function cabinet 23 and the second function cabinet 24 are provided, in order to make use of the space in the function cabinet 2, the energy storage converter 5 is also provided in the second function cabinet 24, and further, the space in the battery cabinet 1 is accepted, so that the space in the battery cabinet 1 can be further increased to increase the space for arranging the battery monomers, and the energy density is improved.
[0084] In some embodiments of the present application, the third interface 231 and the fourth interface 241 are provided on the first function cabinet 23 and the second function cabinet 24, and the third interface 231 and the fourth interface 241 are connected to connect the battery management device 3 and the temperature control device 4.
[0085] The third interface 231 and the fourth interface 241 provided on the first function cabinet 23 and the second function cabinet 24 means that interfaces that can be conveniently connected can also be provided between the function cabinets 2, and communication, control, fire fighting, heat exchange and other functions between them are facilitated.
[0086] Here, in order to facilitate the connection of the first function cabinet 23 and the second function cabinet 24, the third interface 231 and the fourth interface 241 are respectively provided on the first function cabinet 23 and the second function cabinet 24, and further, the battery management device 3 in the first function cabinet 23 and the temperature control device 4 in the second function cabinet 24 can be conveniently connected through the third interface 231 and the fourth interface 241.
[0087] In some embodiments of the present application, the first interface 12 and the second interface 22 are quick release interfaces, and / or the third interface 231 and the fourth interface 241 are quick release interfaces.
[0088] Here, in order to further facilitate the connection between the cabinets, the connection of the first interface 12 and the second interface 22, and / or the connection of the third interface 231 and the fourth interface 241 can be a quick release interface.
[0089] It should be noted that the connection between the battery cabinet 1 and the function cabinet 2 through the first interface 12 and the second interface 22, and the connection between the function cabinets 2 through the third interface 231 and the fourth interface 241 can be a quick release structure that is convenient to connect, and the quick release structure can be corresponding in height and position, and can be inserted and connected for convenient connection when assembled.
[0090] In some embodiments of the present application, referring to Figure 4 , Figure 5 and Figure 6 , the first function cabinet 23 and the second function cabinet 24 have a first maintenance passage 6.
[0091] The first maintenance channel 6 is a channel arranged between different functional cabinets 2 and can be passed through by at least one worker, facilitating the worker to pass through and reach the installation, maintenance, and repair positions. The width of the first maintenance channel 6 can be 80-120 cm, and can be 90 cm.
[0092] Here, to facilitate the operation, maintenance, and repair work of the connection between the cabinets, the first maintenance channel 6 can be arranged between the first functional cabinet 23 and the second functional cabinet 24, and then the worker can reach the required operation position through the first maintenance channel 6.
[0093] In some embodiments of the present application, referring to Figure 5 and Figure 6 , the second cabinet 21 has a device layout area and a second maintenance channel 7 inside, the battery management device 3 and the temperature control device 4 are arranged in the device layout area, and the second maintenance channel 7 is avoided.
[0094] The device layout area refers to an area in the functional cabinet 2 for arranging devices, and the corresponding devices can be arranged in the area. Referring to Figure 5 and Figure 6 , the device layout area can occupy space in the vertical direction.
[0095] The device layout area avoids the second maintenance channel 7, which means that the device layout area should avoid the space of the second maintenance channel 7 in the vertical direction to leave space for the worker to pass through.
[0096] The second maintenance channel 7 is a channel arranged inside the functional cabinet 2 and can be passed through by at least one worker, facilitating the worker to pass through and reach the installation, maintenance, and repair positions. The width of the first maintenance channel 6 can be 80-120 cm, and can be 90 cm.
[0097] Here, the second maintenance channel 7 can be arranged inside the functional cabinet 2, and the battery management device 3 and the temperature control device 4 are arranged to avoid the second maintenance channel 7, so that the worker can conveniently enter the inside of the functional cabinet 2 to maintain and repair the devices.
[0098] In some embodiments of the present application, referring to Figure 5 and Figure 6 , the second maintenance channel 7 penetrates the second cabinet 21 along the first direction, and the device layout area is located on both sides of the second maintenance channel 7.
[0099] The first direction refers to any direction in the horizontal direction in the functional cabinet 2, which can be determined according to actual needs.
[0100] The second maintenance channel 7 penetrates the second cabinet body 21, that is, two ends of the second maintenance channel 7 can extend to opposite ends of the functional cabinet 2, and for the second cabinet body 21, one end of the two ends of the second maintenance channel 7 can have a door, or both ends can have doors, facilitating workers to enter and exit.
[0101] Here, the second maintenance channel 7 penetrates the second cabinet body 21, and the equipment layout area is located on both sides of the second maintenance channel 7, that is, the opposite ends in the functional cabinet 2 can be reached through the second maintenance channel 7, facilitating the equipment located on both sides.
[0102] In some embodiments of the present application, referring to Figure 5 and Figure 6 , the second maintenance channel 7 is arranged in the second cabinet body 21 along the second direction, the first end of the second maintenance channel 7 is communicated to the outside of the second cabinet body 21, and the equipment layout area is located at the second end and on both sides of the second maintenance channel 7.
[0103] The second direction refers to any direction in the horizontal direction in the functional cabinet 2, which can be determined according to actual needs. Moreover, the first direction and the second direction are not necessarily related, and are determined separately according to needs.
[0104] The first end of the second maintenance channel 7 is communicated to the outside of the second cabinet body 21, that is, the first end of the second maintenance channel 7 in the functional cabinet 2 can have a door to facilitate workers to enter and exit.
[0105] The equipment layout area is located at the second end and on both sides of the second maintenance channel 7, that is, there are equipment layouts on possible positions of the second maintenance channel 7, which further improves the space utilization.
[0106] Here, in the functional cabinet 2, the first end of the second maintenance channel 7 is communicated to the outside of the second cabinet body 21, facilitating the workers to enter and exit, and corresponding equipment is arranged at the second end and on both sides of the second maintenance channel 7, facilitating the equipment to be overhauled and maintained.
[0107] In some embodiments of the present application, referring to Figure 5 and Figure 6 , the battery cabinet 1 and the functional cabinet 2 have a third maintenance channel 8.
[0108] The third maintenance channel 8 refers to a channel arranged between the battery cabinet 1 and the functional cabinet 2, which can pass at least one worker, facilitating the worker to pass through and reach installation, overhaul, maintenance and other positions. The width of the first maintenance channel 6 can be 80-120 cm, and can be 90 cm.
[0109] Here, in order to facilitate the connection between the battery cabinet 1 and the function cabinet 2, and maintenance, etc., a third maintenance channel 8 is arranged between the battery cabinet 1 and the function cabinet 2.
[0110] In some embodiments of the present application, the first cabinet body 11 and the second cabinet body 21 are consistent in shape, and the volume of the second cabinet body 21 is equal to or less than the volume of the first cabinet body 11.
[0111] The first cabinet body 11 and the second cabinet body 21 are consistent in shape, which means that the outer shape of the battery cabinet 1 and the outer shape of the function cabinet 2 are consistent, facilitating production and transportation, for example, it can be a standard volume container.
[0112] The volume of the second cabinet body 21 is equal to or less than the volume of the first cabinet body 11, which means that the volume of the function cabinet 2 can be consistent with the volume of the battery cabinet 1, facilitating production and transportation; it can also be slightly smaller than the battery cabinet 1, reducing the occupied space.
[0113] Here, the volume of the battery cabinet 1 and the function cabinet 2 can be consistent, facilitating unified production, transportation and handling, or the function cabinet 2 can be slightly smaller than the battery cabinet 1, reducing the space required for the entire energy storage system and facilitating layout.
[0114] In some embodiments of the present application, with reference to Figure 1 , Figure 3 and Figure 6 , the number of battery cabinets 1 is a multiple of the number of function cabinets 2.
[0115] Here, one function cabinet 2 can correspond to two or more battery cabinets 1, for example, two, four, six, eight, etc. It can facilitate layout and adopt different function cabinets 2 to adapt to the entire energy storage system according to needs.
[0116] The second aspect of the present application provides a function cabinet 2, with reference to Figure 2 and Figure 3 , comprising a second cabinet body 21 and a battery management device 3 and a temperature control device 4 arranged inside the second cabinet body 21, the second cabinet body 21 is provided with a second interface 22, the second interface 22 is used to connect the battery management device 3 and the temperature control device 4 in the function cabinet 2 to at least two battery cabinets 1.
[0117] Among them, the temperature control device 4 at least includes one of a fire-fighting device 41 and a heat exchange device 42.
[0118] The functional cabinet 2 provided in the application is provided with the battery management device 3 and the temperature control device 4, and does not provide the battery monomer, so that the battery management device 3 and the temperature control device 4 can be integrated in the functional cabinet 2, and the space for providing the devices in the battery cabinet 1 matched with the functional cabinet 2 can be saved, and more battery monomers can be provided, so that the energy density of the battery cabinet 1 is improved. At the same time, the battery management device 3 and the temperature control device 4 provided in the functional cabinet 2 are provided for at least two battery cabinets 1, that is, one set of device can be matched with at least two battery cabinets 1, so that the space required for providing the devices is further saved, and the setting and layout are facilitated.
[0119] In the energy storage system of the embodiment of the application, one functional cabinet 2 can be matched with at least two battery cabinets 1 to form an energy storage system. For example, one-to-two, one-to-four, one-to-eight, etc.
[0120] Referring to Figure 2 In one embodiment, one functional cabinet 2 is matched with two battery cabinets 1. The battery cabinet 1 is only provided with the battery monomer, so that the battery cabinet 1 can be a pure energy body. The functional cabinet 2 can be provided with the energy storage converter 5, the transformer 31, the ring network cabinet 32, the control cabinet 33, the fire-fighting device 41 and the heat exchange device 42, that is, all the devices are integrated in the functional cabinet 2. The connection between the functional cabinet 2 and the battery cabinet 1 can include communication, high voltage and waterway. The third maintenance channel 8 can be provided between the battery cabinet 1 and the functional cabinet 2.
[0121] Referring to Figure 3 In one embodiment, one functional cabinet 2 is matched with two battery cabinets 1. The battery cabinet 1 is only provided with the battery monomer, so that the battery cabinet 1 can be a pure energy body. The functional cabinet 2 can be provided with the energy storage converter 5, the transformer 31, the ring network cabinet 32, the control cabinet 33, the fire-fighting device 41 and the heat exchange device 42, that is, all the devices are integrated in the functional cabinet 2. The connection between the functional cabinet 2 and the battery cabinet 1 can include communication, high voltage and waterway. The third maintenance channel 8 can be provided between the battery cabinet 1 and the functional cabinet 2.
[0122] Referring to Figure 4 In another embodiment, two functional cabinets 2 are matched with four battery cabinets 1. The battery cabinet 1 is only provided with the battery monomer, so that the battery cabinet 1 can be a pure energy body. The functional cabinet 2 is two, one of which can be provided with the transformer 31, the ring network cabinet 32 and the control cabinet 33, and the other functional cabinet 2 can be provided with the fire-fighting device 41, the heat exchange device 42 and the energy storage converter 5. The connection between the functional cabinet 2 and the battery cabinet 1 can include communication, high voltage and waterway. The connection between the two functional cabinets 2 can include communication and low voltage lines. The third maintenance channel 8 can be provided between the battery cabinet 1 and the functional cabinet 2, and the first maintenance channel 6 can be provided between the two functional cabinets 2.
[0123] Referring to Figure 5 Another embodiment is that four battery cabinets 1 are adapted to two function cabinets 2. In which, only battery monomers are arranged in the battery cabinets 1, so that the battery cabinets 1 can be pure energy bodies; the function cabinets 2 are two, in which one can be arranged with a transformer 31, a ring network cabinet 32 and a control cabinet 33, and the other function cabinet 2 can be arranged with a fire-fighting equipment 41, a heat exchange equipment 42 and an energy storage converter 5. The connection between the function cabinets 2 and the battery cabinets 1 can include communication, high voltage, waterway, etc. The connection between the two function cabinets 2 can include communication and low voltage lines, and a third maintenance channel 8 can be arranged between the battery cabinets 1 and the function cabinets 2, a first maintenance channel 6 can be arranged between the two function cabinets 2, and a second maintenance channel 7 can be arranged inside the two function cabinets 2.
[0124] Referring to Figure 6 Another embodiment is that four battery cabinets 1 are adapted to two function cabinets 2. In which, only battery monomers are arranged in the battery cabinets 1, so that the battery cabinets 1 can be pure energy bodies; the function cabinets 2 are two, in which one can be arranged with a transformer 31, a ring network cabinet 32 and a control cabinet 33, and the other function cabinet 2 can be arranged with a fire-fighting equipment 41, a heat exchange equipment 42 and an energy storage converter 5. The connection between the function cabinets 2 and the battery cabinets 1 can include communication, high voltage, waterway, etc. The connection between the two function cabinets 2 can include communication and low voltage lines, and a third maintenance channel 8 can be arranged between the battery cabinets 1 and the function cabinets 2, a first maintenance channel 6 can be arranged between the two function cabinets 2, and a second maintenance channel 7 can be arranged inside the two function cabinets 2.
[0125] The above merely provides a specific implementation of the present application, enabling those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments described herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. An energy storage system, characterized in that, include: At least two battery cabinets, including a first cabinet body and battery cells disposed inside the first cabinet body, wherein the first cabinet body is provided with a first interface; The functional cabinet includes a second cabinet and a battery management device and a temperature control device disposed inside the second cabinet. The second cabinet is provided with a second interface, and the first interface and the second interface are connected to connect the battery management device and the temperature control device inside the functional cabinet to the at least two battery cabinets. The temperature control equipment includes at least one of fire-fighting equipment and heat exchange equipment.
2. The energy storage system according to claim 1, characterized in that, The battery management device includes at least one of a transformer, a ring main unit, and a control cabinet.
3. The energy storage system according to claim 2, characterized in that, The energy storage system also includes energy storage converters, the number of which corresponds to the number of battery cabinets, and the energy storage converters are installed in the battery cabinets or the functional cabinets.
4. The energy storage system according to claim 1, characterized in that, The functional cabinet includes a first functional cabinet and a second functional cabinet. The battery management device is installed in the first functional cabinet, and the temperature control device is installed in the second functional cabinet.
5. The energy storage system according to claim 4, characterized in that, The second functional cabinet is also equipped with an energy storage converter, and the number of the energy storage converters corresponds to the number of the battery cabinets.
6. The energy storage system according to claim 4, characterized in that, The first functional cabinet and the second functional cabinet are provided with a third interface and a fourth interface, which are connected to connect the battery management device and the temperature control device.
7. The energy storage system according to claim 6, characterized in that, The first interface and the second interface are quick-release interfaces, and / or the third interface and the fourth interface are quick-release interfaces.
8. The energy storage system according to claim 4, characterized in that, A first maintenance passage is provided between the first functional cabinet and the second functional cabinet.
9. The energy storage system according to claim 1, characterized in that, The second cabinet has an equipment layout area and a second maintenance passage. The battery management device and the temperature control device are located in the equipment layout area, avoiding the second maintenance passage.
10. The energy storage system according to claim 9, characterized in that, The second maintenance passage extends through the second cabinet along the first direction, and the equipment layout area is located on both sides of the second maintenance passage.
11. The energy storage system according to claim 9, characterized in that, The second maintenance channel is provided inside the second cabinet along the second direction, and the first end of the second maintenance channel is connected to the outside of the second cabinet. The equipment layout area is located at the second end of the second maintenance channel and on both sides.
12. The energy storage system according to claim 1, characterized in that, A third maintenance passage is provided between the battery cabinet and the functional cabinet.
13. The energy storage system according to any one of claims 1 to 12, characterized in that, The first cabinet and the second cabinet have the same shape, and the volume of the second cabinet is equal to or less than the volume of the first cabinet.
14. The energy storage system according to any one of claims 1 to 12, characterized in that, The number of battery cabinets is a multiple of the number of functional cabinets.
15. A functional cabinet, characterized in that, The device includes a second cabinet and a battery management device and a temperature control device disposed inside the second cabinet. The second cabinet is provided with a second interface for connecting the battery management device and the temperature control device inside the functional cabinet to at least two battery cabinets. The temperature control equipment includes at least one of fire-fighting equipment and heat exchange equipment.