CN215934480U - Cluster type energy storage system - Google Patents
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- CN215934480U CN215934480U CN202121124082.2U CN202121124082U CN215934480U CN 215934480 U CN215934480 U CN 215934480U CN 202121124082 U CN202121124082 U CN 202121124082U CN 215934480 U CN215934480 U CN 215934480U
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Abstract
The utility model provides a cluster type energy storage system, which relates to the technical field of energy storage and comprises the following components: the intelligent box transformer substation comprises a control module, a battery cabin module and an intelligent box transformer substation module; the intelligent box transformer substation module comprises a PCS (personal computer system); the control module comprises a controller, an air conditioner host and a fire fighting host; the battery compartment module comprises a plurality of battery compartments connected in parallel; each battery cabin further comprises a battery module, a detection unit and a BMS; the controller is used for generating a first control instruction according to battery parameters of the BMS acquired battery module; sending the first control instruction to the PCS so that the PCS carries out charge and discharge management on the battery module according to the first control instruction; the air-conditioning host and the fire-fighting host are used for managing the environment in the battery cabin according to the detection information of the battery cabin collected by the detection unit. The cluster type energy storage system not only reduces the cost of the energy storage system, but also ensures the charge and discharge management, the temperature control effect and the fire fighting effect of the energy storage system, and has better practical value.
Description
Technical Field
The utility model relates to the technical field of energy storage, in particular to a cluster type energy storage system.
Background
Due to the requirements of large-scale access of new energy to a power grid, peak clipping and valley filling of electric power, participation in voltage regulation and frequency modulation, development of a micro-grid and the like, a large-scale energy storage system plays an indispensable role in a future power system. The existing large-scale energy storage system mainly comprises: a centralized energy storage system and a string type energy storage system; the centralized energy storage system mainly comprises a plurality of single battery cells which are connected in series and in parallel to form a system, and the operation of the whole energy storage system can be influenced when any single battery cell fails; the group string type energy storage system is formed by connecting a plurality of single-cluster energy storage systems in parallel, each single-cluster energy storage system comprises a plurality of battery packs, in order to guarantee independent charging and discharging management of each battery pack, each battery pack is provided with a corresponding optimizer, and each single-cluster energy storage system is provided with a controller.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a clustered energy storage system to alleviate the above problems, so as to not only reduce the cost of the energy storage system, but also ensure the charging and discharging management, temperature control effect and fire protection effect of the energy storage system, and have a good practical value.
In a first aspect, an embodiment of the present invention provides a cluster energy storage system, where the system includes a control module, a battery compartment module, and an intelligent box transformer module, which are connected in sequence; the control module is also connected with the intelligent box transformer substation module; the intelligent box transformer substation module comprises an energy storage converter PCS; the control module comprises a controller, an air conditioner host and a fire fighting host; the battery compartment module comprises a plurality of battery compartments connected in parallel; each battery cabin also comprises a battery module, a detection unit and a battery management system BMS respectively connected with the battery module and the controller; the controller is used for acquiring battery parameters of the BMS acquired battery module and generating a first control instruction according to the battery parameters; sending the first control instruction to the PCS so that the PCS carries out charge and discharge management on the battery module according to the first control instruction; the air conditioner host is used for acquiring first detection information of the battery compartment acquired by the detection unit, generating an air conditioner control instruction according to the first detection information and sending the air conditioner control instruction to the battery compartment so as to manage the environment in the battery compartment; wherein the first detection information comprises temperature information and/or humidity information; the fire-fighting host is used for acquiring second detection information of the battery compartment acquired by the detection unit, generating a fire-fighting control instruction according to the second detection information and sending the fire-fighting control instruction to the battery compartment so as to manage the environment in the battery compartment; wherein the second detection information comprises temperature information and/or smoke information and/or gas information.
With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, where each battery compartment further includes an air conditioner internal unit; the air conditioner host is also used for sending the air conditioner control instruction to the air conditioner internal unit of the battery cabin, so that the air conditioner internal unit can manage the environment in the battery cabin according to the air conditioner control instruction.
With reference to the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, where each battery compartment further includes a fire protection indoor unit; the fire-fighting host is also used for sending the fire-fighting control instruction to the fire-fighting internal unit of the battery cabin, so that the fire-fighting internal unit can manage the environment in the battery cabin according to the fire-fighting control instruction.
With reference to the second possible implementation manner of the first aspect, an embodiment of the present invention provides a third possible implementation manner of the first aspect, wherein the fire fighting internal unit does not contain fire fighting gas.
With reference to the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, where the battery compartment module further includes a dc bus bar cabinet connected to the plurality of battery compartments; the direct current junction cabinet is used for carrying out parallel junction on the battery modules of the battery cabins and outputting junction information to the PCS, so that the PCS carries out charge and discharge management on the battery modules of the battery cabins according to the junction information; wherein the bus information comprises a bus current and/or a bus voltage.
With reference to the first aspect, an embodiment of the present invention provides a fifth possible implementation manner of the first aspect, where the PCS includes a control unit and a DC/AC bidirectional converter; the DC/AC bidirectional converter is connected with the plurality of battery cabins; the control unit is used for acquiring a first control instruction and triggering the DC/AC bidirectional converter to carry out charge and discharge management on the battery modules of the battery cabins according to the corresponding working modes according to the first control instruction; the working mode comprises a charging mode and a discharging mode.
With reference to the fifth possible implementation manner of the first aspect, an embodiment of the present invention provides a sixth possible implementation manner of the first aspect, wherein the DC/AC bidirectional converter is connected to the plurality of battery compartments through a switching circuit; the input end of the switching circuit is connected with the DC/AC bidirectional converter, the output end of the switching circuit comprises a plurality of interfaces, and each interface is connected with the battery module of the battery compartment.
With reference to the fifth possible implementation manner of the first aspect, an embodiment of the present invention provides a seventh possible implementation manner of the first aspect, wherein the intelligent box-to-substation module further includes an isolation transformer; the isolation transformer comprises a first switch and a second switch; the isolation transformer is connected to the DC/AC bidirectional converter via a first switch and to the external grid via a second switch.
With reference to the first aspect, an embodiment of the present invention provides an eighth possible implementation manner of the first aspect, where the control module further includes a power supply module connected to the controller; the power supply module is used for supplying power to a plurality of parallel battery cabins.
With reference to the eighth possible implementation manner of the first aspect, an embodiment of the present invention provides a ninth possible implementation manner of the first aspect, where the power supply module is an uninterruptible power supply UPS.
The embodiment of the utility model has the following beneficial effects:
the embodiment of the utility model provides a cluster energy storage system, which realizes shared charging and discharging management, shared air conditioning management and shared fire control management of a plurality of battery cabins through a controller, an air conditioner host, a fire control host and a PCS (personal computer) shared by a plurality of battery cabins in a battery cabin module, reduces the cost of the energy storage system, improves the assembling and debugging efficiency of the energy storage system and has better practical value.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of a clustered energy storage system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of another clustered energy storage system provided by an embodiment of the utility model;
fig. 3 is a schematic diagram of another clustered energy storage system provided by an embodiment of the utility model;
fig. 4 is a schematic application diagram of a clustered energy storage system according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. 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 invention.
Aiming at the problem that the existing large-scale energy storage system is high in cost, the embodiment of the utility model provides the cluster type energy storage system, and through the controller, the air conditioner host, the fire fighting host and the PCS which are shared by a plurality of battery cabins in the battery cabin module, the shared charge-discharge management, the shared air conditioner management and the shared fire fighting management of the plurality of battery cabins are realized, the cost of the energy storage system is reduced, the assembly and debugging efficiency of the energy storage system is improved, and the cluster type energy storage system has high practical value.
For the understanding of the present embodiment, the following detailed description will be given of the embodiment of the present invention.
The embodiment of the utility model provides a cluster energy storage system, as shown in fig. 1, the cluster energy storage system 1 includes a control module 10, a battery compartment module 20 and an intelligent box transformer substation module 30, which are connected in sequence; the control module 10 is also connected with an intelligent box transformer substation module 30; the intelligent box-to-substation module 30 includes a PCS (Power Conversion System) 31; the control module 10 comprises a controller 11, an air-conditioning host 12 and a fire-fighting host 13; the battery compartment module 20 includes a plurality of battery compartments 21 connected in parallel; each Battery bay 21 further includes a Battery module 211 and a detection unit 212, and a BMS (Battery Management System) 213 connected to the Battery module 211.
It should be noted that the BMS213 of each battery compartment 21 is also connected to the controller 11, and the detection units 212 are connected to the air-conditioning main unit 12 and the fire-fighting main unit 13, which are not shown in fig. 1. The detection unit 212 includes various detection devices, such as a temperature sensor, a humidity sensor, a combustible gas sensor, a smoke sensor, and the like, and the specific detection devices may be set according to actual situations, which is not limited to the description in the embodiment of the present invention.
In practical application, the controller 11 is configured to obtain battery parameters of the battery module 211 collected by the BMS213, and generate a first control instruction according to the battery parameters; sending the first control instruction to the PCS31, so that the PCS31 performs charge and discharge management on the battery module 211 according to the first control instruction; specifically, the BMS213 may collect battery information of the battery module 211 in real time, where the battery information includes, but is not limited to, voltage, current, charging time, discharging time, temperature, SOC (State of Charge percentage), SOH (State of Health, battery Health), and the like, and may specifically set according to actual conditions and feed the battery information back to the controller 11, so that the controller 11 generates a first control instruction corresponding to the battery module 211 according to the battery information, and performs charging and discharging management on the battery module 211 through the PCS31, thereby reducing the cost of each battery compartment, and implementing shared charging and discharging management of a plurality of battery modules, and improving the charging and discharging management efficiency.
The air-conditioning host 12 is configured to acquire first detection information of the battery compartment 21 acquired by the detection unit 212, generate an air-conditioning control instruction according to the first detection information, and send the air-conditioning control instruction to the battery compartment 21, so as to manage an environment in the battery compartment 21; wherein the first detection information comprises temperature information and/or humidity information; specifically, the detection unit collects temperature information and humidity information of an environment where the battery module is located in the battery compartment through the temperature sensor and the humidity sensor, and feeds the temperature information and the humidity information back to the air-conditioning host, so that the air-conditioning host generates an air-conditioning control instruction according to the temperature information and the humidity information, and manages the environment in the battery compartment (namely, the environment where the battery module is located), such as refrigerating, heating or dehumidifying the battery compartment. It should be noted that, the first detection information may only include temperature information, only include humidity information, or include both temperature information and humidity information, which may be specifically set according to an actual situation, and this is not limited to be described in the embodiment of the present invention.
The fire-fighting host 13 is used for acquiring second detection information of the battery compartment 21 acquired by the detection unit 212, generating a fire-fighting control instruction according to the second detection information, and sending the fire-fighting control instruction to the battery compartment 21 so as to manage the environment in the battery compartment 21; wherein the second detection information comprises temperature information and/or smoke information and/or gas information. Specifically, the detection unit collects temperature information, smoke information and gas information (namely combustible gas information) of the environment where the battery module is located in the battery compartment through the temperature sensor, the smoke sensor and the combustible gas sensor, and feeds the temperature information, the smoke information and the gas information back to the fire-fighting host computer, so that the fire-fighting host computer generates a fire-fighting control instruction according to the temperature information, the smoke information and the gas information, so as to manage the environment (namely the environment where the battery module is located) in the battery compartment, for example, fire-fighting and fire extinguishing are performed on the battery compartment. It should be noted that, if the second detection information only includes one type of information, such as smoke information, the fire control command is an alarm command at this time, so that the staff can manually check the battery compartment according to the alarm command, and if the second detection information includes two or more types of information, the fire control command is a fire extinguishing command at this time, and fire extinguishing is performed on the battery compartment.
In particular, the fire-fighting host and the air-conditioning host may simultaneously manage the environment of the same battery compartment, may also simultaneously and respectively manage the environments of different battery compartments, or only the air-conditioning host may manage the environments of a plurality of battery compartments, which may be specifically set according to actual situations, and the present invention is not limited to this.
Above-mentioned cluster energy storage system through a plurality of battery compartment sharing controller, air conditioner host computer and fire control host computer and PCS in the battery compartment module, has realized a plurality of battery compartment shared charge-discharge management, shared air conditioner management and shared fire control management, has reduced energy storage system's cost, has improved energy storage system's equipment debugging efficiency, has better practical value.
Optionally, each battery compartment further includes an air conditioner internal unit (not shown); in practical application, the air conditioner host is further configured to send the air conditioner control instruction to an air conditioner internal unit of the battery compartment, so that the air conditioner internal unit manages the environment in the battery compartment according to the air conditioner control instruction. Specifically, because the environment of each battery compartment may be different, therefore, the air-conditioning host generates a corresponding air-conditioning control instruction according to the first detection information collected by the detection unit in each battery compartment, and sends the air-conditioning control instruction to the corresponding air-conditioning indoor unit respectively, so as to implement the environment management of the corresponding battery compartment through the air-conditioning indoor unit, that is, send the corresponding air-conditioning control instruction to each air-conditioning indoor unit through the air-conditioning host, the shared air-conditioning host manages the environment of each battery compartment, compared with the existing air-conditioning system configured for each battery compartment respectively, the efficiency of the environment management of the battery compartments is improved, the temperature control effect of the battery compartments is improved, the overall temperature control energy consumption of the whole cluster energy storage system is reduced, the cost and the floor area of each battery compartment are reduced, and the cost of the cluster energy storage system is reduced.
Optionally, each battery compartment further comprises a fire protection internal machine (not shown); in practical application, the fire-fighting host is also used for sending the fire-fighting control instruction to the fire-fighting internal unit of the battery compartment, so that the fire-fighting internal unit manages the environment in the battery compartment according to the fire-fighting control instruction. Specifically, because the environment of each battery compartment may be different, the fire-fighting host generates a corresponding fire-fighting control instruction according to the second detection information collected by the detection unit in each battery compartment, and sends the fire-fighting control instruction to the corresponding fire-fighting indoor units respectively, so as to realize the environmental management of the corresponding battery compartments through the fire-fighting indoor units, that is, the fire-fighting host sends the corresponding fire-fighting control instruction to each fire-fighting indoor unit, and the shared fire-fighting host manages the environment of each battery compartment, compared with the existing fire-fighting system configured for each battery compartment respectively, because each fire-fighting indoor unit does not contain fire-fighting gas, only contains fire-fighting gas in the fire-fighting host, thereby reducing the fire-fighting gas content of the whole cluster energy storage system, and for a single battery compartment, the content of available fire-fighting gas is increased, on the basis of reducing the overall fire-fighting cost of the energy storage system, the fire-fighting effect of each battery compartment is ensured.
Optionally, the battery compartment module further includes a dc combiner box (not shown) connected to the plurality of battery compartments; the direct current collecting cabinet is used for carrying out parallel collection on the battery modules of the battery cabins and outputting the collection information to the PCS, so that the PCS carries out charge and discharge management on the battery modules of the battery cabins according to the collection information; the bus information includes a bus current and/or a bus voltage. Specifically, the direct current collection cabinet outputs the collection information to the PCS, and the control instruction information sent by the controller is combined, so that the battery module is better subjected to charge and discharge management.
Optionally, the PCS includes a control unit and a DC/AC bidirectional converter; the DC/AC bidirectional converter is connected with the plurality of battery cabins; in practical application, the control unit is used for acquiring a first control instruction and triggering the DC/AC bidirectional converter to carry out charge and discharge management on the battery modules of the plurality of battery compartments according to the corresponding working mode according to the first control instruction; the working mode comprises a charging mode and a discharging mode. Specifically, the DC/AC bidirectional converter is connected with a plurality of battery compartments through a switching circuit; the input end of the switching circuit is connected with the DC/AC bidirectional converter, the output end of the switching circuit comprises a plurality of interfaces, each interface is connected with the battery module of the battery cabin respectively, namely the switching circuit is equivalent to a one-to-many switching circuit, different interfaces are connected through the input port, the DC/AC bidirectional converter is connected with different battery modules, and therefore charge and discharge management can be carried out on the connected battery modules, namely the plurality of battery modules share one PCS (power system controller), compared with the situation that each battery module is provided with one PCS, the cost of the cluster storage system is reduced, and the charge management efficiency of the battery modules is improved.
Furthermore, the intelligent box transformer substation module further comprises an isolation transformer; the isolation transformer comprises a first switch and a second switch; specifically, the isolation transformer is connected with the DC/AC bidirectional converter through the first switch, and is connected with the external power grid through the second switch, so that the connection between the energy storage system and the external power grid is realized, for example, the connection between the external power grid 380KV and the energy storage system 10KV is realized. In addition, in practical application, the PCS can realize bidirectional flow of electric energy, for example, when the battery module is in a charging state, the PCS can be used as a rectifying device to convert alternating current in an external power grid into direct current and store the direct current; when the battery module is in a discharging state, the PCS can be used as an inverter to convert electric energy in the battery module from direct current to alternating current and output the electric energy, so that the function of an energy storage system is realized.
Further, as shown in fig. 2, the control module 10 further includes a power supply module 14 connected to the controller 11; the power supply module 14 is used to supply power to a plurality of parallel battery compartments. The Power Supply module 14 is preferably an UPS (uninterruptible Power Supply), and supplies Power to each battery compartment in a low-voltage Power Supply manner to ensure that the detection unit, the fire-fighting internal unit, the air conditioner internal unit, and the like in the battery compartment operate normally.
On the basis of the above embodiment, another cluster energy storage system is further provided in the embodiment of the present invention, as shown in fig. 3, the control module 10 includes a controller 11, an air-conditioning host 12, a fire-fighting host 13, and a power supply module 14, where the power supply module is connected to the controller 11, and the controller 11, the air-conditioning host 12, the fire-fighting host 13, and the power supply module 14 are respectively connected to each battery compartment 21 in the battery compartment module 20, the plurality of battery compartments are also connected to the smart box transformer module 30, and the smart box transformer module 30 is also connected to an external power grid, so that shared charging and discharging management, shared air-conditioning management, and shared fire-fighting management of the plurality of battery compartments are realized, and not only the charging and discharging efficiency, the temperature control effect, and the fire-fighting effect of the energy storage system are ensured, but also the cost and the floor area of the energy storage system are reduced, and the cluster energy storage system has a better practical value.
For ease of understanding, a 20MWH clustered energy storage system is illustrated here. As shown in fig. 4, the battery compartment module 20 includes 10 battery compartments of 2MWH, wherein the 10 battery compartments share one control module 10, that is, share one controller 11, one air conditioner host 12, one fire-fighting host 13 and one power supply module 14, and share one intelligent box transformer module 30, where the intelligent box transformer module 30 is an inverse voltage boost compartment of 5MW, and it is verified that since each battery compartment includes only an air conditioner internal unit and a fire-fighting internal unit, there is no need to configure the air conditioner host and the fire-fighting host respectively, and the fire-fighting internal unit does not include fire-fighting gas, the capacity density of the battery compartment can be increased by at least 20%, the floor area of the battery compartment can be reduced by 30% -40%, power cables can be saved by 20% -30%, because a plurality of battery compartments are connected in parallel, the conversion efficiency of the energy storage system can be increased by 1% -2%, and a plurality of battery compartments share one air conditioner host, each battery compartment is internally provided with an air conditioner internal unit for distributed temperature control, so that the refrigeration efficiency can be improved by 20-30%, and the UPS power supply cost of the energy storage system is reduced; the multiple battery compartments share one power supply module, such as a UPS (uninterrupted power supply) low-voltage power supply system, and compared with the situation that each battery compartment is provided with the UPS low-voltage power supply system, the efficiency can be improved by 5% or more; the multiple battery compartments share one fire-fighting host and fire-fighting gas, the fire-fighting gas can be reduced by more than 50%, the available fire-fighting gas in a single battery compartment is increased by 3-5 times, and the operation and maintenance are centralized, so that the equipment management and maintenance are facilitated; a plurality of battery compartments share a direct current collection cabinet and the like, so that the cost of the energy storage system is further reduced, the assembly and debugging efficiency of the energy storage system is improved, and the battery compartment has better practical value.
The apparatus provided by the embodiment of the present invention may be specific hardware on the device, or software or firmware installed on the device, etc. The device provided by the embodiment of the present invention has the same implementation principle and technical effect as the method embodiments, and for the sake of brief description, reference may be made to the corresponding contents in the method embodiments without reference to the device embodiments. It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the foregoing systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments provided by the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a non-volatile computer-readable storage medium executable by a processor. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A cluster type energy storage system is characterized by comprising a control module, a battery compartment module and an intelligent box transformer substation module which are sequentially connected; the control module is also connected with the intelligent box transformer substation module; the intelligent box transformer substation module comprises an energy storage converter PCS; the control module comprises a controller, an air conditioner host and a fire fighting host; the battery compartment module comprises a plurality of battery compartments connected in parallel; each battery cabin further comprises a battery module, a detection unit and a battery management system BMS respectively connected with the battery module and the controller;
the controller is used for acquiring battery parameters of the BMS acquisition battery module and generating a first control instruction according to the battery parameters; sending the first control instruction to the PCS so that the PCS carries out charge and discharge management on the battery module according to the first control instruction;
the air conditioner host is used for acquiring first detection information of the battery cabin acquired by the detection unit, generating an air conditioner control instruction according to the first detection information, and sending the air conditioner control instruction to the battery cabin so as to manage the environment in the battery cabin; wherein the first detection information comprises temperature information and/or humidity information;
the fire-fighting host is used for acquiring second detection information of the battery cabin acquired by the detection unit, generating a fire-fighting control instruction according to the second detection information, and sending the fire-fighting control instruction to the battery cabin so as to manage the environment in the battery cabin; wherein the second detection information comprises temperature information and/or smoke information and/or gas information.
2. The clustered energy storage system of claim 1 wherein each of the battery compartments further comprises an air conditioner indoor unit;
the air conditioner host is also used for sending the air conditioner control instruction to an air conditioner internal unit of the battery cabin, so that the air conditioner internal unit manages the environment in the battery cabin according to the air conditioner control instruction.
3. The clustered energy storage system of claim 1 wherein each of the battery compartments further comprises a fire protection internal;
the fire-fighting host is also used for sending the fire-fighting control instruction to a fire-fighting internal unit of the battery cabin, so that the fire-fighting internal unit manages the environment in the battery cabin according to the fire-fighting control instruction.
4. The clustered energy storage system of claim 3 wherein the fire protection indoor unit does not contain fire protection gas.
5. The clustered energy storage system of claim 1 wherein the battery bay module further comprises a dc combiner cabinet connected to a plurality of the battery bays;
the direct current junction cabinet is used for carrying out parallel junction on the battery modules of the battery cabins and outputting junction information to the PCS, so that the PCS carries out charge and discharge management on the battery modules of the battery cabins according to the junction information; wherein the bus information comprises a bus current and/or a bus voltage.
6. The clustered energy storage system of claim 1 wherein the PCS comprises a control unit and a DC/AC bidirectional converter; wherein the DC/AC bidirectional converter is connected with a plurality of battery cabins;
the control unit is used for acquiring the first control instruction and triggering the DC/AC bidirectional converter to carry out charge and discharge management on the battery modules of the battery cabins according to the corresponding working modes according to the first control instruction; wherein the operation mode includes a charging mode and a discharging mode.
7. The clustered energy storage system as claimed in claim 6 wherein the DC/AC bi-directional converter is connected to a plurality of the battery bays through a switching circuit; the input end of the switching circuit is connected with the DC/AC bidirectional converter, the output end of the switching circuit comprises a plurality of interfaces, and each interface is respectively connected with the battery module of the battery cabin.
8. The clustered energy storage system of claim 6 wherein the intelligent box transformer module further comprises an isolation transformer; wherein the isolation transformer comprises a first switch and a second switch; the isolation transformer is connected with the DC/AC bidirectional converter through the first switch, and is connected with an external power grid through the second switch.
9. The clustered energy storage system of claim 1 wherein the control module further comprises a power module connected to the controller;
the power supply module is used for supplying power to the plurality of parallel battery cabins.
10. The clustered energy storage system of claim 9 wherein the power supply module is an Uninterruptible Power Supply (UPS).
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865752A (en) * | 2022-07-05 | 2022-08-05 | 广东采日能源科技有限公司 | Charging and discharging control method and control device for energy storage equipment |
| WO2023245930A1 (en) * | 2022-06-21 | 2023-12-28 | 宁德时代新能源科技股份有限公司 | Domain controller and energy storage system |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023245930A1 (en) * | 2022-06-21 | 2023-12-28 | 宁德时代新能源科技股份有限公司 | Domain controller and energy storage system |
| CN114865752A (en) * | 2022-07-05 | 2022-08-05 | 广东采日能源科技有限公司 | Charging and discharging control method and control device for energy storage equipment |
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