Energy storage communication device and energy storage system

Abstract

The utility model relates to an energy storage communication device and an energy storage system. A first shell in the device is provided with a first accommodating cavity; the antenna assembly is arranged in the first accommodating cavity; the lifting control assembly is arranged adjacent to the first port of the first accommodating cavity, the lifting control assembly is connected with the antenna assembly, and the lifting control assembly is used for controlling the antenna assembly to be far away from or close to the second port of the first accommodating cavity, so that the mounting structure of the communication device is simplified, and the mounting space of the communication device is reduced; the second port can control the antenna assembly to rise to be far away from the first accommodating cavity, so that the reliability of data communication is enhanced; and when the communication function is not used, the antenna assembly can be controlled to descend to be close to the second port of the first accommodating cavity, so that the antenna assembly is accommodated, the antenna assembly is prevented from being damaged due to long-term exposure, and the service life of the antenna assembly is prolonged.

Description

Technical Field

[0001] The present application relates to the field of energy storage technology, and in particular to an energy storage communication device and an energy storage system. Background Art

[0002] As a renewable DC power technology, battery energy storage technology has developed rapidly. Battery energy storage systems can not only store electrical energy, but also release energy when needed. Battery energy storage systems use the electrical energy storage function of batteries to store the electrical energy of the power grid in the form of chemical energy.

[0003] In the prior art, the communication device installation structure of the battery energy storage system is complex and occupies a large installation space. Utility Model Content

[0004] Based on this, it is necessary to provide an energy storage communication device and energy storage system that can simplify the installation structure of the communication device, facilitate the assembly of the communication device, and occupy a small installation space in order to address the technical problems existing in the communication device of the above-mentioned existing battery energy storage system.

[0005] In a first aspect, the present application provides an energy storage communication device, comprising:

[0006] A first shell, wherein the first shell is provided with a first accommodating cavity;

[0007] An antenna assembly, the antenna assembly is arranged in the first accommodating cavity;

[0008] A lifting control component is disposed adjacent to the first port of the first accommodating cavity, the lifting control component is connected to the antenna component, and is used to control the antenna component to be away from or close to the second port of the first accommodating cavity.

[0009] In one embodiment, the antenna assembly includes an antenna body and a support rod, the support rod is arranged in a first accommodating cavity, the first end of the support rod is connected to the antenna body, the lifting control assembly is connected to the second end of the support rod, and the lifting control assembly is used to control the lifting of the support rod to drive the antenna body away from or close to the second port of the first accommodating cavity.

[0010] In one embodiment, the lifting control assembly includes a lifting controller and a transmission rod; the transmission rod is located in the first accommodating cavity;

[0011] The lifting controller is arranged adjacent to the first port of the first accommodating chamber, the first end of the transmission rod is connected to the lifting controller, and the second end of the transmission rod is connected to the second end of the support rod.

[0012] In one embodiment, the support rod is provided with a second accommodating cavity, and the second accommodating cavity is used to accommodate the transmission rod;

[0013] The first port of the second accommodating chamber is provided with an internal thread, and the transmission rod is provided with an external thread. The external thread of the transmission rod is matched and connected with the internal thread of the first port of the second accommodating chamber to drive the support rod to rise and fall.

[0014] In one of the embodiments, a limiting groove is provided at the second port of the first accommodating cavity, and the limiting groove is used to limit the antenna body.

[0015] In a second aspect, the present application provides an energy storage system, comprising a plurality of energy storage boxes and a plurality of energy storage communication devices as described above;

[0016] The energy storage box is provided with a plurality of support columns, and the support columns are provided with third accommodating cavities; the first shells of the energy storage communication devices are arranged in the third accommodating cavities in a one-to-one correspondence.

[0017] In one embodiment, it also includes a plurality of energy storage container bodies and a plurality of power conversion cabin bodies; each energy storage box is divided into a plurality of first boxes and a plurality of second boxes; each energy storage container body is arranged in a one-to-one correspondence with each first box, and each power conversion cabin body is arranged in a one-to-one correspondence with each second box; each energy storage container body and each power conversion cabin body are connected in a one-to-one correspondence;

[0018] The first box body is provided with a plurality of first support columns, and the first support columns are provided with first accommodating sub-cavities; the first accommodating sub-cavity of at least one first support column in the same first box body is provided with an energy storage communication device; the energy storage container body is connected to the energy storage communication device in the corresponding first box body;

[0019] The second box body is provided with a plurality of second support columns, and the second support columns are provided with a second accommodating sub-cavity; the second accommodating sub-cavity of at least one second support column in the same second box body is provided with an energy storage communication device; the power conversion cabin body is connected to the energy storage communication device in the corresponding second box body, and the energy storage communication devices are connected to each other for communication.

[0020] In one embodiment, it further includes a communication base station and an energy management system; the energy management system is connected to the communication base station;

[0021] Each energy storage container body is connected to the communication base station through a corresponding energy storage communication device.

[0022] In one of the embodiments, the energy storage container body further includes a combiner cabinet and a plurality of battery clusters;

[0023] The combiner cabinets are respectively connected to the battery clusters in the same energy storage container body; the combiner cabinets are respectively connected to the corresponding power conversion cabin bodies and the energy storage communication device of the same energy storage container body, and each power conversion cabin body is respectively connected to the mains bus.

[0024] In one of the embodiments, the energy storage system further includes a first communication harness and a first power harness;

[0025] The first communication harness and the first power harness pass through the first accommodating subcavities of the corresponding first boxes respectively, and the first communication harness is connected between the junction cabinet of the same energy storage container body and the corresponding energy storage communication device, and the first power harness is connected between the junction cabinet of the same energy storage container body and the corresponding energy storage communication device;

[0026] And / or, the energy storage system also includes a second communication harness and a second power harness; the second communication harness and the second power harness respectively pass through the second accommodating sub-cavity of the corresponding second box body, and the second communication harness is connected between the corresponding power conversion cabin body and the energy storage communication device of the same second box body, and the first power harness is connected between the corresponding power conversion cabin body and the energy storage communication device of the same second box body.

[0027] In one embodiment, the combiner cabinet includes a data storage module and a data processing module. The data storage module is connected to the data processing module. The data processing module is respectively connected to each energy storage communication device of the same first box.

[0028] One of the above technical solutions has the following advantages and beneficial effects:

[0029] The above-mentioned energy storage communication device includes a first shell, an antenna assembly and a lifting control assembly; the first shell is provided with a first accommodating cavity; the antenna assembly is arranged in the first accommodating cavity; the lifting control assembly is arranged adjacent to the first port of the first accommodating cavity, the lifting control assembly is connected to the antenna assembly, and the lifting control assembly is used to control the antenna assembly to be away from or close to the second port of the first accommodating cavity. The present application optimizes the structure of the energy storage communication device and simplifies the installation structure of the communication device to achieve convenient disassembly and assembly of the energy storage communication device; the energy storage communication device occupies a small installation space, and when the communication function needs to be used, the antenna assembly can be controlled to rise and away from the second port of the first accommodating cavity, reducing the impact of high obstacles on the communication rate, improving the system data communication rate, and enhancing the reliability of data communication; when the communication function is not used, the antenna assembly can be controlled to descend and close to the second port of the first accommodating cavity, so as to realize the storage of the antenna assembly, avoid damage caused by long-term exposure of the antenna assembly, and improve the service life of the antenna assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the first perspective structure of the energy storage communication device in an embodiment of the present application;

[0031] Figure 2 This is a schematic diagram of the structure of the energy storage communication device from a second perspective in an embodiment of the present application;

[0032] Figure 3 This is a schematic diagram of the cross-sectional structure of the energy storage communication device in the embodiment of the present application;

[0033] Figure 4 This is a schematic diagram of the first perspective structure of the energy storage system in an embodiment of the present application;

[0034] Figure 5 A schematic diagram of a partial structure of an energy storage system in an embodiment of the present application;

[0035] Figure 6 This is a schematic diagram of the cross-sectional structure of the energy storage system in the embodiment of the present application;

[0036] Figure 7 for Figure 6 A schematic diagram of the enlarged structure at A in the middle;

[0037] Figure 8 for Figure 6 A schematic diagram of the enlarged structure at B in the middle;

[0038] Fig. 9 This is a first circuit diagram of the energy storage system in an embodiment of the present application;

[0039] Fig.10 Schematic diagram of a second circuit of the energy storage system in an embodiment of the present application.

[0040] Reference numerals:

[0041] 10. Energy storage box; 110. First box; 120. Second box; 130. Support column; 132. First support column; 134. Second support column; 136. Third accommodating chamber; 138. First accommodating sub-chamber; 142. Second accommodating sub-chamber; 20. Energy storage communication device; 210. First shell; 212. First accommodating chamber; 214. Limiting groove; 220. Antenna assembly; 222. Antenna body; 224. Support rod; 226. Second accommodating chamber; 230. Lifting control assembly; 232. Lifting controller; 234. Transmission rod; 30. Energy storage container body; 310. Convergence cabinet; 312. Data storage module; 314. Data processing module; 320. Battery cluster; 40. Power conversion cabin body; 50. Communication base station; 60. Energy management system. DETAILED DESCRIPTION

[0042] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0043] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0044] In addition, the term "plurality" shall mean two or more.

[0045] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0046] In one embodiment, Figure 1 , Figure 2 and Figure 5 As shown, an energy storage communication device is provided, and the energy storage communication device 20 includes a first shell 210, an antenna assembly 220 and a lifting control assembly 230. The first shell 210 is provided with a first accommodating cavity 212; the antenna assembly 220 is arranged in the first accommodating cavity 212; the lifting control assembly 230 is arranged adjacent to the first port of the first accommodating cavity 212, the lifting control assembly 230 is connected to the antenna assembly 220, and the lifting control assembly 230 is used to control the antenna assembly 220 to be away from or close to the second port of the first accommodating cavity 212.

[0047] Among them, the energy storage communication device can be applied to the energy storage system, the energy storage system can be but not limited to a lithium battery energy storage system, and the energy storage system can include a plurality of boxes 10, each box 10 and divided into a plurality of energy storage boxes 10 for the energy storage container body 30 and a plurality of energy storage boxes 10 for the power conversion cabin body 40. It should be noted that the number of energy storage boxes 10 for the energy storage container body 30 is the same as the number of energy storage boxes 10 for the power conversion cabin body 40, and each energy storage container body 30 is connected to each power conversion cabin body 40 in a one-to-one correspondence. The shape of the energy storage box 10 can be but not limited to a square shape, and the energy storage box 10 is provided with a plurality of support columns 130, and the support columns 130 are upright columns, that is, the support columns 130 are perpendicular to the bottom plate of the energy storage box 10. Exemplarily, the energy storage box 10 is provided with 4 support columns 130, and the 4 support columns 130 are distributed at the 4 corners of the energy storage box 10. The support column 130 may be, but is not limited to, a rectangular strip-shaped structure. A third accommodating cavity 136 is disposed in the support column 130 . The third accommodating cavity 136 is a hollow through cavity. Accordingly, the third accommodating cavity 136 is in a rectangular strip-shaped structure.

[0048] The energy storage communication device 20 is a wireless communication device. The energy storage communication device 20 includes a first shell 210, and the first shell 210 can be arranged in the third accommodating cavity 136 by means of snap-fitting or sleeve-fitting. For example, a first end of the first shell 210 is provided with an annular card plate, and the second end of the first shell 210 is inserted from the first port of the third accommodating cavity 136, so that the first shell 210 is accommodated in the third accommodating cavity 136, and the annular card plate of the first shell 210 is snap-fitted to the first port of the third accommodating cavity 136, so as to limit the first shell 210 in the third accommodating cavity 136. In another example, the annular card plate of the first shell 210 can also be locked to the first port of the third accommodating cavity 136 by bolts, so as to fix the first shell 210 in the third accommodating cavity 136. Exemplarily, the shape of the first shell 210 is the same as the shape of the third accommodating cavity 136 of the support column 130, for example, the shapes of the first shell 210 and the third accommodating cavity 136 are both rectangular strips. The first shell 210 may be a shell made of metal or non-metal. The first shell 210 is provided with a first accommodating cavity 212 . The first accommodating cavity 212 may be, but is not limited to, cylindrical in shape. The first accommodating cavity 212 may be used to accommodate the support rod 224 of the antenna assembly 220 .

[0049] The energy storage communication device 20 further includes an antenna assembly 220, which may be an omnidirectional antenna assembly 220. The lifting control assembly 230 may be used to control the antenna assembly 220 to rise or fall. For example, the lifting control assembly 230 is disposed in the third accommodating cavity 136, and the lifting control assembly 230 is disposed adjacent to the first port of the first accommodating cavity 212.

[0050] In the above-mentioned embodiment, a first accommodating cavity 212 is provided through the first shell 210; the antenna assembly 220 is provided in the first accommodating cavity 212; the lifting control assembly 230 is provided adjacent to the first port of the first accommodating cavity 212, the lifting control assembly 230 is connected to the antenna assembly 220, and the lifting control assembly 230 is used to control the antenna assembly 220 to be away from or close to the second port of the first accommodating cavity 212. The present application optimizes the structure of the energy storage communication device 20 and simplifies the installation structure of the communication device to achieve convenient disassembly and assembly of the energy storage communication device 20; for example, the energy storage communication device 20 is arranged in the third accommodating cavity 136 of the support column 130 of the energy storage box 10, saving the wire slot space and structural cost. When the communication function needs to be used, the antenna assembly 220 can be controlled to rise and move away from the second port of the first accommodating cavity 212, thereby reducing the impact of high obstacles on the communication rate, improving the system data communication rate, and enhancing the data communication reliability; when the communication function is not used, the antenna assembly 220 can be controlled to descend and move close to the second port of the first accommodating cavity 212, so as to realize the storage of the antenna assembly 220, avoid the antenna assembly 220 from being exposed for a long time and causing damage, and improve the service life of the antenna assembly 220.

[0051] In one embodiment, Figure 1 , Figure 2 and Figure 5 As shown, the antenna assembly 220 includes an antenna body 222 and a support rod 224. The support rod 224 is arranged in the first accommodating cavity 212. The first end of the support rod 224 is connected to the antenna body 222. The lifting control assembly 230 is connected to the second end of the support rod 224. The lifting control assembly 230 is used to control the lifting and lowering of the support rod 224 to drive the antenna body 222 away from or close to the second port of the first accommodating cavity 212.

[0052] The antenna body 222 may be an omnidirectional antenna body 222, for example, the antenna body 222 may be an integrally cast omnidirectional antenna body 222. The support rod 224 may be used to drive the antenna body 222 to move up and down, and the support rod 224 may be movably disposed in the first accommodating cavity 212, for example, the support rod 224 may be in the shape of a cylindrical structure, the first end of the support rod 224 may be fixedly disposed on the antenna body 222, and the second end of the support rod 224 may be used to connect to the lifting control assembly 230, and then based on the driving of the lifting control assembly 230, the support rod 224 may be controlled to move up and down, thereby driving the antenna body 222 to move up and down.

[0053] The lifting control component 230 can be used to control the support rod 224 to rise or fall, thereby driving the antenna body 222 to rise or fall. The lifting control component 230 is set in the third accommodating cavity 136, and the lifting control component 230 is set adjacent to the first port of the first accommodating cavity 212. For example, the antenna body 222 is arranged adjacent to the second port of the first accommodating cavity 212, the second end of the support rod 224 is inserted into the first accommodating cavity 212, the lifting control component 230 is inserted into the first accommodating cavity 212 from the first port of the first accommodating cavity 212, and the second end of the support rod 224 is mechanically connected to the lifting control component 230, and then when the lifting control component 230 controls the support rod 224 to rise, the support rod 224 drives the antenna body 222 to rise, so that the antenna body 222 is away from the second port of the first accommodating cavity 212, that is, the antenna body 222 is away from the energy storage box 10; when the lifting control component 230 controls the support member to descend, the support rod 224 drives the antenna host to descend, so that the antenna body 222 is close to the second port of the first accommodating cavity 212, until the antenna body 222 is attached to the second port of the first accommodating cavity 212, that is, the antenna body 222 is stored and hidden.

[0054] In the above-mentioned embodiment, a first accommodating cavity 212 is provided through the first shell 210; the antenna assembly 220 includes an antenna body 222 and a support rod 224, the support rod 224 is arranged in the first accommodating cavity 212, the first end of the support rod 224 is connected to the antenna body 222, and the antenna body 222 is arranged adjacent to the second port of the first accommodating cavity 212; the lifting control assembly 230 is arranged adjacent to the first port of the first accommodating cavity 212, the lifting control assembly 230 is mechanically connected to the second end of the support rod 224, and the lifting control assembly 230 is used to control the lifting and lowering of the support rod 224 to drive the antenna body 222 away from or close to the second port of the first accommodating cavity 212, so as to realize the convenient assembly of the energy storage communication device 20 on the energy storage box 10 of the energy storage system. The present application optimizes the structure of the energy storage communication device 20 and simplifies the installation structure of the communication device to achieve convenient disassembly and assembly of the energy storage communication device 20; for example, the energy storage communication device 20 is arranged in the third accommodating cavity 136 of the support column 130 of the energy storage box 10, saving the wire slot space and structural cost. When the communication function needs to be used, the antenna body 222 can be controlled to rise and move away from the second port of the first accommodating cavity 212, thereby reducing the impact of high obstacles on the communication rate, improving the system data communication rate, and enhancing the data communication reliability; when the communication function is not used, the antenna body 222 can be controlled to descend and move close to the second port of the first accommodating cavity 212, so as to realize the storage of the antenna body 222, avoid the antenna body 222 from being exposed for a long time and causing damage, and improve the service life of the antenna body 222.

[0055] In one embodiment, Figure 1 , Figure 2 and Figure 3 As shown, the lifting control assembly 230 includes a lifting controller 232 and a transmission rod 234; the transmission rod 234 is located in the first accommodating chamber 212; the lifting controller 232 is arranged adjacent to the first port of the first accommodating chamber 212, the first end of the transmission rod 234 is connected to the lifting controller 232, and the second end of the transmission rod 234 is connected to the second end of the support rod 224.

[0056] Among them, the lifting controller 232 may include a motor, and the lifting controller 232 may be arranged at the first port of the first accommodating chamber 212 by screwing, clamping or welding. The transmission rod 234 may be a long cylindrical structure, and the transmission rod 234 is arranged in the first accommodating chamber 212. The first end of the transmission rod 234 may be fixedly arranged on the motor shaft of the lifting controller 232, so that the lifting controller 232 can drive the transmission rod 234 to move; the second end of the transmission rod 234 may be movably arranged at the second end of the support rod 224, so that when the transmission rod 234 moves, it can drive the support rod 224 to move up or down. Exemplarily, the motor may be a rotary motor, so that the lifting controller 232 can drive the transmission rod 234 to rotate and move, and when the transmission rod 234 rotates and moves, it can drive the support rod 224 to move up or down. In another example, the motor may be a telescopic cylinder, so that the lifting controller 232 can drive the transmission rod 234 to move telescopically, and when the transmission rod 234 moves telescopically, it can drive the support rod 224 to move up or down.

[0057] In the rising embodiment, when the communication function needs to be used, the lifting controller 232 drives the transmission rod 234 to move based on the first direction, and then the transmission rod 234 drives the support rod 224 to rise, and the support rod 224 drives the antenna body 222 to rise and move away from the second port of the first accommodating cavity 212, thereby reducing the impact of high obstacles on the communication rate, improving the system data communication rate, and enhancing the data communication reliability; when the communication function is not used, the lifting controller 232 drives the transmission rod 234 to move based on the second direction, and then the transmission rod 234 drives the support rod 224 to descend, and the support rod 224 drives the antenna body 222 to descend and approach the second port of the first accommodating cavity 212, thereby realizing the storage of the antenna body 222, avoiding damage caused by long-term exposure of the antenna body 222, and improving the service life of the antenna body 222.

[0058] In one embodiment, Figure 1 and Figure 2As shown, the support rod 224 is provided with a second accommodating chamber 226, and the second accommodating chamber 226 is used to accommodate the transmission rod 234; the first port of the second accommodating chamber 226 is provided with an internal thread, and the transmission rod 234 is provided with an external thread, and the external thread of the transmission rod 234 is matched and connected with the internal thread of the first port of the second accommodating chamber 226 to drive the support rod 224 to rise and fall.

[0059] The second accommodating chamber 226 can be used to accommodate the transmission rod 234. Exemplarily, the transmission rod 234 can be a screw rod, and a fixing plate is provided at the first port of the second accommodating chamber 226. The fixing plate can be a square structure, and the fixing plate is provided with a through hole with an internal thread. The transmission rod 234 penetrates the through hole of the fixing plate, and is connected by the external thread of the transmission rod 234 and the internal thread of the through hole. At the same time, the fixing plate is limited in the second accommodating chamber 226, and then when the transmission rod 234 rotates, it can drive the support rod 224 to move along the axial direction of the transmission rod 234, so as to drive the support rod 224 to rise or fall, and prevent the support rod 224 from rotating with the rotation of the transmission rod 234, so that the support rod 224 drives the antenna body 222 to rise or fall, and realizes the lifting and lowering control of the antenna body 222.

[0060] By optimizing the structure of the energy storage communication device 20, the energy storage communication device 20 can be easily disassembled and assembled. If the transportation conditions are not met, it can be quickly disassembled, packaged and transported, which does not destroy the integrity of the original energy storage box 10 and can meet the wireless communication requirements of the energy storage box 10.

[0061] In one embodiment, Figure 1 As shown, a second port of the first accommodating cavity 212 is provided with a limiting groove 214 , and the limiting groove 214 is used to limit the antenna body 222 .

[0062] The limiting groove 214 can be used to accommodate the bottom of the antenna body 222 , so that when the antenna body 222 descends, the antenna body 222 can be stored in the limiting groove 214 .

[0063] Exemplarily, an annular step is provided in the limiting groove 214 , an annular boss is provided at the bottom of the antenna body 222 , and the annular step in the limiting groove 214 is matched with the annular boss of the antenna body 222 .

[0064] When the communication function needs to be used, the lifting controller 232 drives the transmission rod 234 to move based on the first direction, and then the transmission rod 234 drives the support rod 224 to rise, and the support rod 224 drives the antenna body 222 to rise, so that the antenna body 222 is away from the limiting groove 214, that is, the antenna body 222 is raised relative to the box 10, reducing the impact of high obstacles on the communication rate, improving the system data communication rate, and enhancing the data communication reliability; when the communication function is not used, the lifting controller 232 drives the transmission rod 234 to move based on the second direction, and then the transmission rod 234 drives the support rod 224 to descend, and the support rod 224 drives the antenna body 222 to descend, so that the antenna body 222 is stored in the limiting groove 214, so as to realize the storage of the antenna body 222 and prevent the antenna body 222 from being exposed.

[0065] In one embodiment, Figures 4 to 8 As shown, an energy storage system is also provided, including a plurality of energy storage boxes 10 and a plurality of energy storage communication devices 20 as described above; the energy storage boxes are provided with a plurality of support columns 130, and the support columns 130 are provided with a third accommodating cavity 136; the first shells 210 of each energy storage communication device 20 are arranged in each third accommodating cavity 136 in a one-to-one correspondence.

[0066] It should be noted that the specific limitations on the energy storage box 10 and the energy storage communication device 20 can be found in the above limitations on the energy storage box 10 and the energy storage communication device 20, which will not be repeated here.

[0067] In the above embodiment, by setting a liftable energy storage communication device 20 on the support column 130 of the energy storage box 10, when the energy storage box 10 needs to use the communication function, the antenna body 222 of the corresponding energy storage communication device 20 can be controlled to rise and move away from the second port of the first accommodating cavity 212, so as to realize wireless communication between energy storage boxes, reduce the impact of high obstacles on the communication rate, improve the system data communication rate, and enhance the reliability of data communication; when the communication function is not used, the antenna body 222 of the corresponding energy storage communication device 20 can be controlled to descend and approach the second port of the first accommodating cavity 212, so as to realize the storage of the antenna body 222, avoid the antenna body 222 from being exposed for a long time and causing damage, and improve the service life of the antenna body 222. In addition, the energy storage communication device 20 can be conveniently disassembled and assembled; the energy storage communication device 20 is arranged in the third accommodating cavity 136 of the support column 130 of the energy storage box 10, saving the wire slot space and structural cost.

[0068] In one embodiment, Figures 4 to 8As shown, the energy storage system further includes a plurality of energy storage container bodies 30 and a plurality of power conversion cabin bodies 40; each energy storage box 10 is divided into a plurality of first boxes 110 and a plurality of second boxes 120; each energy storage container body 30 is arranged in each first box 110 in a one-to-one correspondence, and each power conversion cabin body 40 is arranged in each second box 120 in a one-to-one correspondence; each energy storage container body 30 and each power conversion cabin body 40 are connected in a one-to-one correspondence;

[0069] The first box body 110 is provided with a plurality of first support columns 132, and the first support columns 132 are provided with first accommodating sub-cavities 138; the first accommodating sub-cavity 138 of at least one first support column 132 in the corresponding first box body 110 is provided with an energy storage communication device 20; the energy storage container body 30 is connected to the energy storage communication device 20 in the same first box body 110;

[0070] The second box body 120 is provided with a plurality of second support columns 134, and the second support columns 134 are provided with a second accommodating sub-cavity 142; the second accommodating sub-cavity 142 of at least one second support column 134 in the same second box body 120 is provided with an energy storage communication device 20; the power conversion cabin body 40 is connected to the energy storage communication device 20 in the corresponding second box body 120, and each energy storage communication device 20 is connected to each other for communication.

[0071] The energy storage system may include a plurality of energy storage container bodies 30 and a plurality of power conversion cabin bodies 40 . The energy storage container bodies 30 are arranged on the corresponding first box bodies 110 , and the power conversion cabin bodies 40 are arranged on the corresponding second box bodies 120 .

[0072] Each first box 110 is arranged in a multi-row and multi-column array, each second box 120 is arranged in a multi-row and multi-column array, and each energy storage container body 30 is connected and arranged in a one-to-one correspondence with each power conversion cabin body 40. Exemplarily, the energy storage container body 30 may include a battery compartment and an electrical compartment, a plurality of battery clusters 320 are arranged in the battery compartment, a junction cabinet 310 is arranged in the electrical compartment, and each battery cluster 320 is connected to the junction cabinet 310 of the same energy storage container body 30. The power conversion cabin body 40 is a booster integrated cabin, such as a DC-to-DC device, a PCS, and a transformer are arranged in the power conversion cabin body 40. The energy storage system also includes a plurality of boxes 10, each box 10 is divided into a first box 110 for the energy storage container body 30 and a second box 120 for the power conversion cabin body 40, that is, a battery compartment and an electrical compartment are arranged in the first box 110, and a DC-to-DC device, a PCS, and a transformer are arranged in the second box 120.

[0073] Exemplarily, the first box 110 may be a square box 10, and the first box 110 is provided with four first support columns 132, and the first support columns 132 are distributed at the four corners of the first box 110. The first support columns 132 may be, but are not limited to, a rectangular long strip structure, and a first accommodating sub-cavity 138 is provided in the first support column 132, and the first accommodating sub-cavity 138 is a hollow through cavity; accordingly, the first accommodating sub-cavity 138 is a rectangular long strip.

[0074] The first accommodating subcavities 138 of the four first supporting columns 132 in the same first box body 110 are respectively provided with energy storage communication devices 20; the energy storage communication device 20 includes a first shell 210, an antenna assembly 220 and an upgrade control assembly, which is limitedly arranged in the first accommodating subcavity 138 of the corresponding first supporting column 132 of the energy storage container body 30 through the first shell 210, and the first shell 210 is provided with a first accommodating cavity 212; the antenna assembly 220 includes an antenna body 222 and a supporting rod 224, and the supporting rod 224 is arranged in the first accommodating cavity 212, The first end of the support rod 224 is connected to the antenna body 222, and the antenna body 222 is arranged adjacent to the second port of the first accommodating chamber 212; the lifting control assembly 230 is arranged adjacent to the first port of the first accommodating chamber 212, and the lifting control assembly 230 is mechanically connected to the second end of the support rod 224. The lifting control assembly 230 is used to control the lifting of the support rod 224 to drive the antenna body 222 away from or close to the second port of the first accommodating chamber 212, so as to realize the convenient assembly of the energy storage communication device 20 on the first box 110 of the corresponding energy storage container body 30. In addition, based on the connection between the energy storage container body 30 and the energy storage communication device 20 in the same first box 110, for example, the junction cabinet 310 of the energy storage container body 30 is connected to each energy storage communication device 20 in the same first box 110, and then the energy storage container body 30 can receive signals through the energy storage communication device 20 and process the received signals; the energy storage container body 30 can also transmit the processed data to the communication base station 50 or the power conversion cabin body 40 through the energy storage communication device 20.

[0075] Exemplarily, the second box 120 may be a square box 10, and the second box 120 is provided with four second support columns 134, and the second support columns 134 are distributed at the four corners of the second box 120. The second support columns 134 may be, but are not limited to, a rectangular long strip structure, and a second accommodating sub-cavity 142 is provided in the second support column 134, and the second accommodating sub-cavity 142 is a hollow through cavity; accordingly, the second accommodating sub-cavity 142 is a rectangular long strip.

[0076] The second accommodating subcavities 142 of the four second supporting columns 134 in the same second box 120 are respectively provided with energy storage communication devices 20; the energy storage communication device 20 includes a first shell 210, an antenna assembly 220 and an upgrade control assembly, which is limitedly arranged in the second accommodating subcavity 142 of the corresponding second supporting column 134 of the power conversion cabin body 40 through the first shell 210, and the first shell 210 is provided with a first accommodating cavity 212; the antenna assembly 220 includes an antenna body 222 and a supporting rod 224, and the supporting rod 224 is arranged in the first accommodating cavity 212 , the first end of the support rod 224 is connected to the antenna body 222, and the antenna body 222 is arranged adjacent to the second port of the first accommodating chamber 212; the lifting control assembly 230 is arranged adjacent to the first port of the first accommodating chamber 212, and the lifting control assembly 230 is mechanically connected to the second end of the support rod 224, and the lifting control assembly 230 is used to control the lifting of the support rod 224 to drive the antenna body 222 away from or close to the second port of the first accommodating chamber 212, so as to realize the convenient assembly of the energy storage communication device 20 on the second box 120 of the power conversion cabin body 40. In addition, based on the connection between the power conversion cabin body 40 and the energy storage communication device 20 in the corresponding second box 120, the power conversion cabin body 40 can receive signals through the energy storage communication device 20 and process the received signals; the power conversion cabin body 40 can also transmit the processed data to the communication base station 50 or the energy storage container body 30 through the energy storage communication device 20.

[0077] Based on the mutual communication connection of the energy storage communication devices 20, it is possible to realize mutual communication between the energy storage container bodies 30 and mutual communication between the power conversion cabin bodies 40 in the energy storage system, and it is also possible to realize mutual communication between the energy storage container body 30 and the power conversion cabin body 40.

[0078] For example, Fig. 9 As shown, based on the establishment of a wireless communication connection between the power conversion cabin body 40 and the energy storage container body 30, the energy storage container body 30 can transmit the current status information of the energy storage container body 30 to the corresponding power conversion cabin body 40 (for example, the current status information of the energy storage container body 30 includes the allowed charging power, the allowed discharging power, the fault status information, the request to stop charging instruction, the request to stop discharging instruction, the request to charge instruction, the request to discharge instruction, the current system voltage, the current allowed charging current, the current chargeable amount or the current dischargeable amount or the current inter-cluster pressure difference, etc.), and the power conversion cabin body 40 feeds back the current PCS status information to the corresponding energy storage container body 30 system based on the received current status information of the energy storage container body 30 (for example, the current PCS status information includes the request response instruction, the current maximum supported charging and discharging power, the currently issued charging and discharging power or the current PCS fault information, etc.).

[0079] In the above embodiment, by arranging a liftable energy storage communication device 20 on the first box body 110 and arranging a liftable energy storage communication device 20 on the second box body 120, when the energy storage container body 30 and / or the power conversion cabin body 40 need to use the communication function, the antenna body 222 of the corresponding energy storage communication device 20 can be controlled to rise and move away from the second port of the first accommodating cavity 212, so as to realize wireless communication between the energy storage container body 30 and the energy storage container body 30, the power conversion cabin body 40 and the power conversion cabin body 40, and the energy storage container body 30 and the power conversion cabin body 40, thereby reducing the influence of high obstacles on the communication rate, improving the system data communication rate, and enhancing the data communication reliability; when the communication function is not used, the antenna body 222 of the corresponding energy storage communication device 20 can be controlled to descend and approach the second port of the first accommodating cavity 212, so as to realize the storage of the antenna body 222, avoid the damage caused by the long-term exposure of the antenna body 222, and improve the service life of the antenna body 222. In addition, the energy storage communication device 20 can be easily assembled and disassembled; the energy storage communication device 20 is arranged on the support column 130 of the first box body 110 or the second box body 120, saving the wire trough space and structural cost.

[0080] In one embodiment, Fig. 9 As shown, the energy storage system also includes a communication base station 50 and an energy management system 60 ; the energy management system 60 is connected to the communication base station 50 ; each energy storage container body 30 is communicatively connected to the communication base station 50 via a corresponding energy storage communication device 20 .

[0081] Among them, the communication base station 50 is provided with a wireless communication module, for example, the communication base station 50 is provided with a 5G communication module, and accordingly, the antenna body 222 of the energy storage communication device 20 is a 5G antenna body 222. The communication base station 50 can be used to communicate with each energy storage container body 30 through the corresponding energy storage communication device 20. The energy management system 60 (EMS) can be used to control the normal operation of the entire energy storage system. The energy management system 60 integrates the server function and can realize the synchronization of data storage and data analysis.

[0082] Based on the energy management system 60, the communication base station 50 is connected; each energy storage container body 30 is connected to the communication base station 50 through the corresponding energy storage communication device 20, and then the data of the energy storage container body 30 can be transmitted to the communication base station 50 through the corresponding energy storage communication device 20, and the communication base station 50 and the energy management system 60 perform wired data transmission, and then the energy management system 60 can process, analyze or store the received data. The energy management system 60 can also send control instructions to the corresponding energy storage container body 30 through the communication base station 50, and then the energy storage container body 30 can perform corresponding actions according to the received control instructions.

[0083] Exemplarily, the energy management system 60 sends instructions to the energy storage container body 30 through the communication base station 50. If the energy management system 60 detects that the charge and discharge rate of a certain energy storage container body 30 meets the preset conditions, the energy management system 60 sends instructions to all energy storage container bodies 30 to adjust the charge and discharge rates of other energy storage container bodies 30 to the charge and discharge rates of the energy storage container bodies 30 whose charge and discharge rates meet the preset conditions, thereby ensuring that the charge and discharge rates of each energy storage container body 30 tend to be consistent.

[0084] In one example, based on the wireless communication connection established between the energy storage container body 30 and the communication base station 50, the communication base station 50 is connected to the energy management system 60, and then the energy storage container body 30 can perform software OTA upgrade of the corresponding BMS (battery management system) through wireless communication.

[0085] In one embodiment, Fig.10 As shown, the energy storage container body 30 also includes a junction box 310 and a plurality of battery clusters 320; the junction box 310 is respectively connected to each battery cluster 320 in the same energy storage container body 30; the junction box 310 is respectively connected to the corresponding power conversion cabin body 40 and the energy storage communication device 20 of the same energy storage container body 30, and each power conversion cabin body 40 is respectively connected to the mains bus.

[0086] For example, the combiner cabinet 310 can be used to realize efficient merging of the electric energy storage and transmission of each battery cluster 320 in the energy storage container body 30. Each battery cluster 320 can be arranged in a multi-row and multi-column array, and the battery cluster 320 can include a plurality of stacked battery packs. The battery pack can include a plurality of single cells connected in series and / or in parallel.

[0087] Based on the fact that the battery clusters 320 in the same energy storage container body 30 are respectively connected to the combiner cabinet 310, the electric energy of each battery cluster 320 can be respectively transmitted to the combiner cabinet 310 for combiner transmission to realize the discharge of each battery cluster 320; in addition, the electric energy can also be transmitted to each battery cluster 320 through the combiner cabinet 310 to realize the charging of each battery cluster 320.

[0088] Based on the fact that the junction cabinet 310 is respectively connected to the corresponding power conversion cabin body 40, each power conversion cabin body 40 is respectively connected to the mains bus, and then the junction cabinet 310 can transmit the electric energy transmitted by each battery cluster 320 to the power conversion cabin body 40, and the power conversion cabin body 40 performs step-up conversion processing on the received electric energy and then transmits it to the mains bus; in addition, the mains bus can also transmit electric energy to the junction cabinet 310 through the power conversion cabin body 40, and then the junction cabinet 310 transmits the received electric energy to each energy storage container body 30, so as to realize charging of the energy storage container body 30.

[0089] Based on the energy storage communication device 20 connected to the same energy storage container body 30 by the combiner cabinet 310, the data of the combiner cabinet 310 can be transmitted to the communication base station 50 through the corresponding energy storage communication device 20, and the communication base station 50 and the energy management system 60 perform wired data transmission, and then the energy management system 60 can process, analyze or store the received data. The energy management system 60 can also send control instructions to the corresponding combiner cabinet 310 through the communication base station 50 and the corresponding energy storage communication device 20, and then the combiner cabinet 310 can perform corresponding actions according to the received control instructions.

[0090] In one embodiment, Fig.10 As shown, the combiner cabinet 310 includes a data storage module 312 and a data processing module 314 . The data storage module 312 is connected to the data processing module 314 , and the data processing module 314 is respectively connected to each energy storage communication device 20 of the same energy storage container body 30 .

[0091] The data storage module 312 and the data processing module 314 may form an integrated data storage processing module. In another example, the data storage module 312 and the data processing module 314 are independent modules.

[0092] By setting up a data storage module 312 and a data processing module 314 in the junction cabinet 310, each energy storage container body 30 can have a local data calculation function. The energy management system 60 only needs to send a small number of instructions to ensure the normal operation of the energy storage system of the entire station, thereby improving the communication efficiency of the entire station, reducing response delays, and realizing the distributed computing function of the power station.

[0093] In one embodiment, the energy storage system further includes a first communication harness and a first power harness; the first communication harness and the first power harness respectively pass through the third accommodating cavity 136 of the corresponding energy storage container body 30, and the first communication harness is connected between the junction cabinet 310 of the same energy storage container body 30 and the corresponding energy storage communication device 20, and the first power harness is connected between the junction cabinet 310 of the same energy storage container body 30 and the corresponding energy storage communication device 20; and / or, the energy storage system further includes a second communication harness and a second power harness; the second communication harness and the second power harness respectively pass through the third accommodating cavity 136 of the corresponding power conversion cabin body 40, and the second communication harness is connected between the corresponding power conversion cabin body 40 and the energy storage communication device 20 of the same power conversion cabin body 40, and the first power harness is connected between the corresponding power conversion cabin body 40 and the energy storage communication device 20 of the same power conversion cabin body 40.

[0094] Wherein, the first power supply wire harness and the second power supply wire harness are low-voltage direct current power supply wires.

[0095] Based on the first communication harness connected between the junction cabinet 310 of the same energy storage container body 30 and the corresponding energy storage communication device 20, the first power harness is connected between the junction cabinet 310 of the same energy storage container body 30 and the corresponding energy storage communication device 20, and then the energy storage communication device 20 establishes a wired communication connection with the junction cabinet 310 through the corresponding first communication harness, and the junction cabinet 310 provides low-voltage DC power supply to the corresponding energy storage communication device 20, without the risk of electric shock, thereby improving the safety and reliability of the system. Based on the second communication harness connected between the corresponding power conversion cabin body 40 and the energy storage communication device 20 of the same power conversion cabin body 40, the first power harness is connected between the corresponding power conversion cabin body 40 and the energy storage communication device 20 of the same power conversion cabin body 40, and then the energy storage communication device 20 establishes a wired communication connection with the power conversion cabin body 40 through the corresponding second communication harness, and the power conversion cabin body 40 provides low-voltage DC power supply to the corresponding energy storage communication device 20, without the risk of electric shock, thereby improving the safety and reliability of the system.

[0096] Based on the first communication harness and the first power harness respectively passing through the third accommodating cavity 136 of the corresponding energy storage container body 30, the first support column 132 of the energy storage container body 30 is used for routing, which saves the space of the wire trough and the structural cost, and avoids the exposure of the harness. The second communication harness and the second power harness respectively pass through the third accommodating cavity 136 of the corresponding power conversion cabin body 40, and the second support column 134 of the power conversion cabin body 40 is used for routing, which saves the space of the wire trough and the structural cost, and avoids the exposure of the harness.

[0097] In one embodiment, the energy storage communication device 20 includes a first communication device, a second communication device, a third communication device and a fourth communication device; the first box body 110 is provided with four first support columns 132, and the first accommodating subcavities 138 of the four first support columns 132 in the same first box body 110 are provided with the first communication device, the second communication device, the third communication device and the fourth communication device in a one-to-one correspondence; the second box body 120 is provided with four second support columns 134, and the second accommodating subcavities 138 of the four second support columns 134 in the same second box body 120 are provided with the first communication device, the second communication device, the third communication device and the fourth communication device in a one-to-one correspondence.

[0098] Among them, the energy storage communication device 20 can be adapted to the support columns 130 (first support column 132 and second support column 134) at the four corners of the first box body 110 and the second box body 120 for installation. The number of energy storage communication devices 20 can be installed according to actual needs, thereby improving the installation flexibility of the energy storage communication device 20.

[0099] For example, the first communication device may be a receiving communication device, the second communication device may be a sending communication device, and the third communication device and the fourth communication device may be used as communication relay stations. For example, the third communication device may be used to strengthen the communication relay of data, and the fourth communication device may be used to relay the communication signal between the energy storage container body 30 and the energy storage container body 30, thereby saving the number of communication base stations 50, expanding the communication range, and saving construction and material costs.

[0100] Exemplarily, the first box body 110 and the second box body 120 are respectively provided with four energy storage communication devices 20, and the function of each energy storage communication device 20 can be controlled to achieve communication between energy storage container bodies 30 and energy storage container bodies 30, between energy storage container bodies 30 and power conversion cabin bodies 40, and between power conversion cabin bodies 40 and power conversion cabin bodies 40. For example, energy storage container body 30 No. 1 can receive wireless communication signals from a communication base station 50, and also forward the received wireless communication signals from the communication base station 50 through the corresponding energy storage communication device 20, which is equivalent to a wireless communication relay station. The four energy storage communication devices 20 of the first box 110 can be respectively set with the functions of each energy storage communication device 20, such as the first communication device is used for data reception, the second communication device is used for data communication relay reinforcement, the third communication device is used for communication data transmission, and the fourth communication device is used as a communication signal relay between the energy storage container body 30 and the energy storage container body 30. Since the first communication device adopts a modular design, it can be used more flexibly. Through the signal relay between the energy storage container body 30 and the energy storage container body 30, a large area coverage of a single communication base station 50 is achieved, and the communication reliability is greatly improved. It should be noted that data relay is used as a data relay function under the condition of limited communication distance and limited wireless communication signal transmission distance. The data is not processed in any way and is only forwarded as a communication signal to achieve a large range of data radiation coverage, thereby saving the number of communication base stations 50 and saving costs.

[0101] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0102] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. An energy storage communication device, characterized in that: include: A first shell, wherein the first shell is provided with a first accommodating cavity; An antenna assembly, wherein the antenna assembly is disposed in the first accommodating cavity; A lifting control component is disposed adjacent to the first port of the first accommodating cavity, the lifting control component is connected to the antenna component, and the lifting control component is used to control the antenna component to move away from or approach the second port of the first accommodating cavity.

2. The energy storage communication device according to claim 1, characterized in that: The antenna assembly includes an antenna body and a support rod, wherein the support rod is arranged in the first accommodating cavity, the first end of the support rod is connected to the antenna body, the lifting control assembly is connected to the second end of the support rod, and the lifting control assembly is used to control the lifting of the support rod to drive the antenna body away from or close to the second port of the first accommodating cavity.

3. The energy storage communication device according to claim 2, characterized in that: The lifting control assembly includes a lifting controller and a transmission rod; the transmission rod is located in the first accommodating cavity; The lifting controller is disposed adjacent to the first port of the first accommodating chamber, the first end of the transmission rod is connected to the lifting controller, and the second end of the transmission rod is connected to the second end of the support rod.

4. The energy storage communication device according to claim 3, characterized in that: The support rod is provided with a second accommodating cavity, and the second accommodating cavity is used to accommodate the transmission rod; The first port of the second accommodating chamber is provided with an internal thread, and the transmission rod is provided with an external thread. The external thread of the transmission rod is matched and connected with the internal thread of the first port of the second accommodating chamber to drive the support rod to rise and fall.

5. The energy storage communication device according to any one of claims 2 to 4, characterized in that: A limiting groove is provided at the second port of the first accommodating cavity, and the limiting groove is used to limit the antenna body.

6. An energy storage system, characterized in that: It comprises a plurality of energy storage boxes and a plurality of energy storage communication devices as described in any one of claims 1 to 5; The energy storage box is provided with a plurality of support columns, and the support columns are provided with third accommodating cavities; the first shells of the energy storage communication devices are arranged in a one-to-one correspondence in the third accommodating cavities.

7. The energy storage system according to claim 6, characterized in that: It also includes a plurality of energy storage container bodies and a plurality of power conversion cabin bodies; each of the energy storage boxes is divided into a plurality of first boxes and a plurality of second boxes; each of the energy storage container bodies is arranged in a one-to-one correspondence in each of the first boxes, and each of the power conversion cabin bodies is arranged in a one-to-one correspondence in each of the second boxes; each of the energy storage container bodies and each of the power conversion cabin bodies are connected in a one-to-one correspondence; The first box is provided with a plurality of first support columns, each of which is provided with a first accommodating sub-cavity; the first accommodating sub-cavity of at least one of the first support columns in the same first box is provided with the energy storage communication device; the energy storage container body is connected to the energy storage communication device in the corresponding first box; The second box body is provided with a plurality of second support columns, and the second support columns are provided with a second accommodating sub-cavity; the second accommodating sub-cavity of at least one of the second support columns in the same second box body is provided with the energy storage communication device; the power conversion cabin body is connected to the energy storage communication device in the corresponding second box body, and the energy storage communication devices are connected to each other for communication.

8. The energy storage system according to claim 7, characterized in that: It also includes a communication base station and an energy management system; the energy management system is connected to the communication base station; Each of the energy storage container bodies is communicatively connected to the communication base station via the corresponding energy storage communication device.

9. The energy storage system according to claim 7, characterized in that: The energy storage container body also includes a combiner cabinet and a plurality of battery clusters; The combiner cabinets are respectively connected to the battery clusters in the same energy storage container body; the combiner cabinets are respectively connected to the corresponding power conversion cabin bodies and the energy storage communication device of the same energy storage container body, and each power conversion cabin body is respectively connected to the mains bus.

10. The energy storage system according to claim 9, characterized in that: Also included is a first communication wiring harness and a first power wiring harness; The first communication harness and the first power harness pass through the first accommodating subcavities of the corresponding first boxes respectively, and the first communication harness is connected between the junction cabinet of the same energy storage container body and the corresponding energy storage communication device, and the first power harness is connected between the junction cabinet of the same energy storage container body and the corresponding energy storage communication device; and / or, It also includes a second communication harness and a second power harness; the second communication harness and the second power harness respectively pass through the corresponding second accommodating sub-cavity of the second box, and the second communication harness is connected between the corresponding power conversion cabin body and the energy storage communication device of the same second box, and the first power harness is connected between the corresponding power conversion cabin body and the energy storage communication device of the same second box.

11. The energy storage system according to claim 9, characterized in that: The combiner cabinet includes a data storage module and a data processing module. The data storage module is connected to the data processing module, and the data processing modules are respectively connected to the energy storage communication devices in the same first box.

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