CN213461254U - Container electric energy storage system - Google Patents
Container electric energy storage system Download PDFInfo
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- CN213461254U CN213461254U CN202022373628.XU CN202022373628U CN213461254U CN 213461254 U CN213461254 U CN 213461254U CN 202022373628 U CN202022373628 U CN 202022373628U CN 213461254 U CN213461254 U CN 213461254U
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Abstract
本实用新型涉及一种集装箱电力储能系统。该集装箱电力储能系统包括分PCS层，包括多台PCS、升压变压器、通讯柜、配电柜、开关柜和控制柜，通讯柜用于PCS层的电源分配及各设备通讯，配电柜用于PCS层的低压开关，开关柜用于PCS层的中压开关，控制柜用于控制各PCS；第一蓄电池层和第二蓄电池层，两者结构相同，各包括多套电池簇和汇流柜，多套电池簇按组接入汇流柜，汇流柜通过动力电缆接入到PCS层的直流侧；PCS层、第一蓄电池层和第二蓄电池层各自被容纳在一集装箱内，且按序在垂直方向上自下而上堆叠。本实用新型提出了一种集装箱电力储能系统，整体设计简洁，能提升集装箱储能系统的易用性。
The utility model relates to a container power storage system. The containerized power energy storage system includes a sub-PCS layer, including multiple PCS, step-up transformers, communication cabinets, power distribution cabinets, switch cabinets and control cabinets. It is used for low-voltage switches on the PCS layer, the switch cabinet is used for medium-voltage switches on the PCS layer, and the control cabinet is used to control each PCS; the first battery layer and the second battery layer have the same structure, each including multiple sets of battery clusters and busbars cabinet, multiple sets of battery clusters are connected to the combiner cabinet in groups, and the combiner cabinet is connected to the DC side of the PCS layer through power cables; Stack vertically bottom-up. The utility model proposes a container power energy storage system, which has a simple overall design and can improve the usability of the container energy storage system.
Description
Technical Field
The utility model relates to a technical field of electric power energy storage especially relates to a container electric power energy storage system.
Background
In recent years, the energy storage technology at home and abroad is rapidly developed, and the container type energy storage system has the advantages of mature technology, high capacity, mobility, high reliability, no pollution, strong adaptability, expandability, convenience in installation and the like. The container energy storage system has important significance for standardization and low cost of the energy storage system, the usability and the stability of the energy storage system can be greatly improved, the development of the distributed micro-grid energy storage system is facilitated, and the container energy storage system is a development direction of future energy storage.
At present, a container energy storage system at a power generation side mainly comprises an energy storage battery cluster, a Battery Management System (BMS), an energy storage converter (PCS), an energy storage Energy Management System (EMS) and the like. The container type battery energy storage system generally takes a lithium iron phosphate battery as an energy carrier, and carries out charging and discharging through PCS (Power conversion systems), so that various energy exchanges with a power system are realized, and various power supply modes can be accessed.
At present, the energy storage project generally mainly adopts a container single-layer distribution arrangement mode, and the defects of the arrangement mode are as follows:
(1) occupies a large land area and has low land utilization efficiency. The single-layer arrangement mode of the containers of the conventional energy storage project and the safety distance between the containers occupy a large amount of land area, which has certain influence on enterprises with shortage of land resources, and the configuration scale of the energy storage project can be reduced in the early planning.
(2) Due to the fact that the energy storage containers are distributed and arranged in a single-layer mode, the cost of the communication cables among the container modules is increased, and the cost of energy storage projects is increased.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem of prior art, the utility model provides a container electric power energy storage system, the global design is succinct, can promote container energy storage system's ease for use.
The utility model provides a container electric power energy storage system, including the PCS layer, including many PCS, step-up transformer, communication cabinet, switch board, cubical switchboard and switch board, the communication cabinet is used for the power distribution on PCS layer and each equipment communication, the switch board is used for the low-voltage switch on PCS layer, the switch board is used for the medium-voltage switch on PCS layer, the switch board is used for controlling each PCS;
the first storage battery layer and the second storage battery layer are identical in structure and respectively comprise a plurality of sets of battery clusters and a collecting cabinet, the plurality of sets of battery clusters are connected into the collecting cabinet in a group mode, and the collecting cabinet is connected to the direct current side of the PCS layer through a power cable;
the PCS layer, the first battery layer and the second battery layer are each accommodated in a container and sequentially stacked in a vertical direction from bottom to top.
According to the utility model discloses an embodiment still includes warm terminal of leading to the long limit one side of the container on PCS layer has been seted up the air conditioner and has been advanced the return air inlet, warm terminal of leading to with the return air inlet intercommunication is advanced to the air conditioner for control PCS layer internal temperature.
According to the utility model discloses an embodiment, the cross sectional area in air conditioner intake-return air mouth according to calorific capacity when PCS layer during operation is confirmed.
According to the utility model discloses an embodiment, first battery layer and second battery layer still include fire-fighting equipment, fire-fighting equipment is in with the setting smoke transducer and the temperature sensor in first battery layer and the second battery layer are connected.
According to the utility model discloses an embodiment, be equipped with the cooling device in first battery layer and the second battery layer, including a plurality of surface coolers and with the refrigerated water supply return circuit that the surface cooler is connected.
According to the utility model discloses an embodiment, a plurality of batteries in the first battery layer are clustered into two sets of the long limit one side of pasting in the container of place separately, and the collection flow cabinet is 2, pastes respectively and pastes in long limit one side of the container of place, homonymy the battery cluster inserts the homonymy the collection flow cabinet.
According to the utility model discloses an embodiment still includes first connecting plate, first connecting plate sets up the bottom of the container that PCS layer belonged to is connected fixedly with outside ground.
According to the utility model discloses an embodiment still includes the second connecting plate, the second connecting plate is used for connecting the bottom of the container that first battery layer belonged to with the top of the container that PCS layer belonged to.
According to the utility model discloses an embodiment still includes the corner fittings backing plate for connect fixedly the minor face junction of the container that first battery layer, second battery layer and PCS layer were located.
According to the utility model discloses an embodiment still includes stair and stair connecting piece, the stair connecting piece sets up minor face one side on first battery layer and the second battery layer, stair pass through the stair connecting piece is fixed container power energy storage system's both sides.
The utility model provides a pair of container electric power energy storage system piles up PCS layer and battery layer, has saved occupation of land space and has reduced the cost that the cable used, has promoted container electric power energy storage system's utilization efficiency.
It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principle of the invention. In the drawings:
fig. 1 shows a schematic structural diagram of a container power energy storage system according to an embodiment of the present invention.
Fig. 2 shows a schematic structure of the PCS layer.
Fig. 3 shows a schematic structural diagram of the first battery layer.
Fig. 4 is an enlarged schematic view showing a connection structure and a connection part of each container according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
container power energy storage system 100 PCS layer 101
PCS 104 step-up transformer 105
106 switch boards 107 of communication cabinet
Switch cabinet 108 control cabinet 109
Heating and ventilation terminal 112 air-conditioning air inlet and return port 113
Chilled water supply loop 116 first connection plate 117
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited. Further, although the terms used in the present application are selected from publicly known and used terms, some of the terms mentioned in the specification of the present application may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Further, it is required that the present application is understood not only by the actual terms used but also by the meaning of each term lying within.
Fig. 1 shows a schematic structural diagram of a container power energy storage system according to an embodiment of the present invention. Fig. 2 shows a schematic structure of the PCS layer. As shown, a container power storage system 100 generally includes a PCS layer 101, a first battery layer 102, and a second battery layer 103.
Referring to fig. 2, the PCS layer 101 includes a plurality of PCS 104, a step-up transformer 105, a communication cabinet 106, a distribution cabinet 107, a switch cabinet 108, and a control cabinet 109. The communication cabinet 106 is used for power distribution of the PCS layer 101 and communication of each device. The switch board 107 is used for low-voltage switching of the PCS layer 101, the switch cabinet 108 is used for medium-voltage switching of the PCS layer 101, and the control cabinet 109 is used for controlling each PCS 104. A step-up transformer 105 and a switch cabinet 108 and the like are integrated together in the PCS layer 101 to form a primary step-up cabin.
Referring to fig. 3, the first battery layer 102 and the second battery layer 103 have the same structure. Taking the first battery layer 102 as an example, the first battery layer 102 includes a plurality of sets of battery clusters 110 and a bus bar cabinet 111, the plurality of sets of battery clusters 110 are connected to the bus bar cabinet 111 in groups, and the bus bar cabinet 111 is connected to the dc side of the PCS layer 101 through a power cable.
The PCS layer 101, the first battery layer 102, and the second battery layer 103 are each accommodated in a container, and are sequentially stacked in a vertical direction from bottom to top.
The utility model provides a container electric power energy storage system 100 adopts the mode of piling up, has saved the occupation of land space of system and has rationally shortened mutual cable junction's distance to the cost is reduced has promoted container electric power energy storage system 100's utilization efficiency.
The container size may be selected according to the actual operating project, for example a 40 to 50 foot standard container size may be selected. The PCS layer 101, the first battery layer 102 and the second battery layer 103 are selected to have the same container size, so that operations such as stacking and connection can be conveniently performed.
Preferably, the container power energy storage system 100 further includes a heating and ventilation terminal 112. An air-conditioning air inlet/return port 113 is provided on one side of the long side of the container on the PCS layer 101. The heating and ventilating terminal 112 is communicated with an air inlet 113 and an air return 113 of the air conditioner, so that the container and the outside form an air path circulation for controlling the internal temperature of the PCS layer 101. More preferably, the cross-sectional area of the air-conditioning intake/return port 113 is determined according to the amount of heat generated when the PCS layer 101 is operated. The structure enables the working temperature of the container power energy storage system 100 to be strictly controlled within the optimal working temperature range, and ensures the stable operation of the container power energy storage system 100.
Preferably, referring to fig. 3, taking the first battery layer 102 as an example, the first battery layer 102 includes a fire fighting device 114, and the fire fighting device 114 is connected with a smoke sensor and a temperature sensor disposed on the first battery layer 102. The fire fighting equipment 114 can determine whether automatic fire extinguishing needs to be performed or whether sound and light or remote alarm is triggered according to the feedback signals of the smoke sensor and the temperature sensor, and the fire fighting equipment is started by staff.
Preferably, a temperature reduction device is arranged in the first storage battery layer 102 and the second storage battery layer 103. Taking the first battery layer 102 as an example, the first battery layer includes a plurality of surface coolers 115 and a chilled water supply circuit 116 connected to the surface coolers 115 to cool the interior of the container in which the first battery layer 102 is located.
It should be noted that, the embodiment of the present invention takes 5MW/MWh as an example of an energy storage unit module, and the number of PCS 104 in the PCS layer 101 and the number of battery clusters 110 in the first battery layer 102 and the second battery layer 103 can be adjusted according to practical situations to meet engineering requirements. In the present embodiment, 8 PCS 104 are provided in the PCS layer 101, and 12 cell clusters 110 are provided in each of the first battery layer 102 and the second battery layer 103. As will be readily appreciated, conventional configurations require 1 PCS 104 connection for every three battery clusters 110.
Preferably, referring to fig. 3, the 12 sets of battery clusters 110 in the first battery layer 102 are divided into two groups, and each group 6 is abutted against one side of the long side of the container where the group is located. The number of the bus cabinets 111 is 2, and the bus cabinets are respectively attached to one side of the long edge of the container. The 6 sets of battery clusters 110 on the same side are connected into the bus cabinet 111 on the same side. The arrangement is convenient for the wiring of the cable, the connection distance is shortened, the number of output cables can be reduced, and therefore the cost of the cable is reduced on the whole.
Fig. 4 is an enlarged schematic view showing a connection structure and a connection part of each container according to an embodiment of the present invention. As shown, the container power energy storage system 100 also includes a first connection plate 117. The first connection plate 117 is disposed at the bottom of the container where the PCS layer 101 is located, and is connected and fixed to an external foundation.
Preferably, the container power energy storage system 100 further comprises a second connection board 118. The second connecting plate 118 is used for connecting the bottom of the container where the first storage battery layer 102 is located and the top of the container where the PCS layer 101 is located, so that the first storage battery layer 102 and the PCS layer 101 are fixedly connected.
Preferably, the container power energy storage system 100 further includes corner strap 119. The corner fitting pad 119 is used for connecting and fixing the short side connection parts of the container where the first storage battery layer 102, the second storage battery layer 103 and the PCS layer 101 are located, so that three containers including the PCS layer 101, the first storage battery layer 102 and the second storage battery layer 103 are stacked up and down in order. Preferably, the four corners of the stacked container can be additionally provided with the upright posts for reinforcement, so that the wind resistance is enhanced.
As shown in fig. 1, the container power energy storage system 100 further preferably includes a staircase 120 and a staircase coupler 121. The stair connectors 121 are arranged on one side of the short sides of the first storage battery layer 102 and the second storage battery layer 103, and the stairs 120 are fixed on two sides of the container power energy storage system 100 through the stair connectors 121. The short sides of the container where the first storage battery layer 102 and the second storage battery layer 103 are located are opened, so that workers can conveniently enter the container to conduct regular inspection.
The utility model provides a container electric power energy storage system can satisfy static load and 8 grades of earthquake resistant intensity requirements.
At present, the domestic container energy storage project is mainly arranged by container single-layer distribution, and the arrangement mode has the defects that a large amount of land area is occupied, the land cannot be efficiently utilized, and the cost of the communication cable between the containers is high. The utility model provides a container electric power energy storage system adopts arrangement, structure, electric, warm logical and the fire control design that the three-layer piles up to close as an organic whole, through integrating the design, has and saves area, satisfies installation site narrow and small relatively and construction restriction and saves advantages such as intermodule contact cable cost.
It will be apparent to those skilled in the art that various modifications and variations can be made to the above-described exemplary embodiments of the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.
Claims (10)
1. A container electrical energy storage system, comprising:
the power distribution cabinet is used for low-voltage switches of the PCS layer, the switch cabinet is used for medium-voltage switches of the PCS layer, and the control cabinet is used for controlling each PCS;
the first storage battery layer and the second storage battery layer are identical in structure and respectively comprise a plurality of sets of battery clusters and a collecting cabinet, the plurality of sets of battery clusters are connected into the collecting cabinet in a group mode, and the collecting cabinet is connected to the direct current side of the PCS layer through a power cable;
the PCS layer, the first battery layer and the second battery layer are each accommodated in a container and sequentially stacked in a vertical direction from bottom to top.
2. The container power energy storage system of claim 1, further comprising a heating and ventilation terminal, wherein an air conditioner air inlet and air return opening is formed in one side of the long side of the container on the PCS layer, and the heating and ventilation terminal is communicated with the air conditioner air inlet and air return opening and used for controlling the internal temperature of the PCS layer.
3. The container power energy storage system of claim 2, wherein the cross-sectional area of the air conditioner air inlet and air outlet is determined according to the heat generation amount of the PCS layer during operation.
4. The container electrical energy storage system of claim 1, wherein the first and second battery layers further comprise fire fighting equipment connected to smoke and temperature sensors disposed within the first and second battery layers.
5. The container electrical energy storage system of claim 1, wherein a cooling device is disposed within the first and second battery layers, comprising a plurality of surface coolers and a chilled water supply loop coupled to the surface coolers.
6. The container electric energy storage system of claim 1, wherein the plurality of battery clusters in the first battery layer are attached to one side of the long edge of the container in two groups, and there are 2 junction boxes, each of the two junction boxes is attached to one side of the long edge of the container, and the battery clusters on the same side are connected to the junction box on the same side.
7. The container electrical energy storage system of claim 1, further comprising a first connection plate disposed at the bottom of the container where the PCS layer is located and connected and fixed to an external foundation.
8. The container electrical energy storage system of claim 1, further comprising a second connection board for connecting the bottom of the container on which the first battery layer is located to the top of the container on which the PCS layer is located.
9. The container electrical energy storage system of claim 1, further comprising corner gusset plates for connecting and fixing short edge joints of the container where the first battery layer, the second battery layer and the PCS layer are located.
10. The container power storage system of claim 1, further comprising a stair and stair connector, the stair connector being disposed on one side of a short side of the first and second battery layers, the stair being secured to both sides of the container power storage system by the stair connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022373628.XU CN213461254U (en) | 2020-10-22 | 2020-10-22 | Container electric energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022373628.XU CN213461254U (en) | 2020-10-22 | 2020-10-22 | Container electric energy storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213461254U true CN213461254U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022373628.XU Withdrawn - After Issue CN213461254U (en) | 2020-10-22 | 2020-10-22 | Container electric energy storage system |
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| Country | Link |
|---|---|
| CN (1) | CN213461254U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112186905A (en) * | 2020-10-22 | 2021-01-05 | 上海申能新动力储能研发有限公司 | Container electric energy storage system |
-
2020
- 2020-10-22 CN CN202022373628.XU patent/CN213461254U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112186905A (en) * | 2020-10-22 | 2021-01-05 | 上海申能新动力储能研发有限公司 | Container electric energy storage system |
| CN112186905B (en) * | 2020-10-22 | 2025-07-18 | 上海申能新动力储能研发有限公司 | Container electric power energy storage system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210615 Effective date of abandoning: 20250718 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20210615 Effective date of abandoning: 20250718 |