CN214204964U - Array type energy storage system - Google Patents
Array type energy storage system Download PDFInfo
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- CN214204964U CN214204964U CN202023007981.2U CN202023007981U CN214204964U CN 214204964 U CN214204964 U CN 214204964U CN 202023007981 U CN202023007981 U CN 202023007981U CN 214204964 U CN214204964 U CN 214204964U
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Abstract
The utility model discloses an array energy storage system, it includes a plurality of array energy storage units, and every array energy storage unit includes rack, battery cluster, PCS, temperature control system, high-pressure tank, controller, energy storage unit circuit breaker and fire extinguishing system, and every array energy storage unit inserts the electric wire netting through the parallelly connected back of output that the power line will energy storage unit circuit breaker separately. The utility model discloses a standardize every energy storage unit, ensure independent cabin body, independent fire control by temperature change to realize that the safety risk decomposes the isolation, and can carry out the formulation and the implementation of project scheme fast, reduce construction cost and cycle, improve whole project system's reliability and efficiency, increase the project income.
Description
Technical Field
The utility model relates to a battery energy storage technical field particularly relates to an energy storage battery system, more specifically relates to an array energy storage system.
Background
With the rapid development of electric automobiles, the cost of the lithium battery is gradually reduced, and the service life of the lithium battery is gradually prolonged. The photovoltaic system stores redundant energy in the battery, and the battery supplies power to the load at night or when the illumination is insufficient, or the photovoltaic system is gradually popularized by utilizing application modes such as peak-valley price difference arbitrage and the like.
At present, the solution commonly adopted in the field of battery energy storage is to integrate a battery cluster, a temperature control system, a fire protection system, an electrical system and the like into a 20-foot or 40-foot container, as shown in fig. 1, the design has the following problems: 1. the capacity of the energy storage unit is large, the safety isolation measures of the area are deficient, and once an accident occurs, the swept area is large; 2. the system is customized according to projects, the standardization degree of system configuration is low, the system design period is long, and the scheme maturity is low; 3. the system is not standardized, and the equipment splicing type system building causes low synergistic effect among equipment and poor operation stability, so that the annual online rate of the system is greatly reduced; 4. and part of system design occupies large area, and the infrastructure cost is high. Therefore, it is very important to design a standardized energy storage system which has multi-scenario application, simple installation, small space occupation and stackable capacity.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides an array type energy storage system, which ensures the independent cabin body of the energy storage unit and the independent fire control temperature control by standardizing each energy storage unit so as to realize the decomposition and isolation of safety risks and avoid the expansion of local risks; through with a plurality of standardized unit array combinations, can carry out the formulation and the implementation of project scheme fast, it is more loose to the requirement of site conditions to reduce construction cost and cycle, improve whole project system's reliability and efficiency, increase the project income.
In order to achieve the above object, the utility model provides an array energy storage system, it includes a plurality of array energy storage units, and every array energy storage unit includes a rack, a battery cluster, a PCS, a temperature control system, a high-pressure tank, a controller, an energy storage unit circuit breaker and a fire extinguishing system, wherein:
the cabinet comprises at least one battery compartment door, at least one battery compartment door lock, a base, at least one forklift hole, at least one corner fitting, a temperature control compartment door lock, an electric compartment door, an observation window, an electric compartment door lock, a plurality of electric compartment air inlet holes, a plurality of top air outlet holes and a plurality of front air outlet holes, and the inside of the cabinet also comprises a battery compartment, a temperature control compartment and an electric compartment;
the battery cluster is arranged in the battery compartment and comprises a plurality of battery boxes and a battery frame, wherein each battery box is fixed on the battery frame in a locking way through a bolt, each battery box comprises a positive connector, a negative connector and a handle, and a plurality of lithium ion battery packs and a water cooling plate are arranged in each battery box;
the temperature control system comprises a water cooler, a temperature control controller and a plurality of pipelines, wherein the water cooler and the temperature control controller are arranged in the temperature control cabin, the water cooler is connected with the temperature control controller, and each pipeline is respectively connected with the water cooler and the water cooling plate in each battery box;
the high-voltage box is arranged in the battery cabin and is electrically connected with the battery cluster, and comprises a BMS, a fuse and a battery cluster breaker, wherein the BMS is in data connection with the controller;
the fire fighting system is arranged in the battery cabin and comprises a flexible fire fighting pipe, a pressure gauge and a communication and starting device, wherein the pressure gauge and the communication and starting device are respectively arranged at two ends of the flexible fire fighting pipe;
the controller is arranged in the electric cabin and is respectively in data connection with the PCS, the temperature control system, the BMS and the fire fighting system;
the energy storage unit breaker is arranged in the electric cabin and comprises an input end and an output end;
the PCS is arranged in the electric cabin and comprises two interfaces, wherein one interface is connected with the input end of the energy storage unit breaker through a power line, the other interface is connected with one end of the battery cluster breaker through the power line, the other end of the battery cluster breaker is connected with one end of the fuse through the power line, and the other end of the fuse is connected with the battery cluster through the power line;
and the output ends of the respective energy storage unit breakers are connected in parallel by each array energy storage unit through a power line and then are connected into a power grid.
The utility model discloses an embodiment, wherein, every battery compartment door sets up in the rack openly, every battery compartment lock sets up on corresponding battery compartment door, the base sets up in the rack below, every fork truck hole sets up on the base, every corner fittings sets up on the base, the control by temperature change hatch door sets up in the lower part of a rack side, the control by temperature change hatch door lock sets up on the control by temperature change hatch door, the electrical compartment door sets up in the upper portion with the same side of control by temperature change hatch door of rack, the observation window sets up on the electrical compartment door, the electrical compartment door lock sets up on the electrical compartment door, a plurality of electrical compartment fresh air inlets set up on the electrical compartment door, a plurality of top exhaust holes set up in the rack top, a plurality of anterior exhaust holes set up in the rack openly.
In an embodiment of the present invention, each lithium ion battery pack is formed by connecting a plurality of battery cells in series or in parallel.
In an embodiment of the present invention, the water chiller includes a cooling liquid circulation system, a cooling liquid heating system and a hair increasing device.
The utility model relates to an embodiment, wherein, the information that BMS gathered includes: voltage and temperature.
In an embodiment of the present invention, the fire extinguishing agent is one of heptafluoropropane, perfluorohexanone, and aerosol.
In an embodiment of the present invention, the PCS is a dc/ac conversion device or a dc/dc conversion device.
The utility model discloses simplify the mode of traditional "battery cluster-container-energy storage power station" into the mode of "energy storage unit-energy storage power station", compare with prior art, have following advantage:
(1) each array energy storage unit can be independently used as a product, and can also be combined in an array mode according To the requirements of customers, the design and implementation modes are quick and convenient, the influence of site conditions is small, meanwhile, a container is omitted by adopting an RTS (Rack To Station, namely a power Station), the construction cost is lower, and the construction period is shorter;
(2) each array energy storage unit is provided with an independent temperature control system, so that the temperature difference of the battery core can be controlled more accurately and more consistently, and the service life of the battery is prolonged;
(3) each array energy storage unit is designed with independent fire protection, and under extreme conditions, the units are isolated from one another so as to minimize the risk range;
(4) the design mode of one-to-one battery cluster and PCS (personal communication system) avoids the circulation among the battery clusters caused by parallel connection of the battery clusters, and improves the energy efficiency of the battery;
(5) engineering project productization, standardization degree are higher, and stability is better, adopts the rack design mode of the base that satisfies fork truck transportation and hoist and mount simultaneously, makes installation, fortune dimension more convenient.
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.
FIG. 1 is a schematic diagram of a prior art energy storage system;
fig. 2 is a topology diagram of an embodiment of the present invention;
fig. 3 is a perspective view of an array energy storage unit according to an embodiment of the present invention;
fig. 4 is a schematic view of the left side of the array energy storage unit according to an embodiment of the present invention;
fig. 5 is a schematic front internal view of an array energy storage unit according to an embodiment of the present invention;
fig. 6 is a schematic view of an array energy storage unit fire fighting system according to an embodiment of the present invention.
Description of reference numerals: 1-a cabinet; 2-a battery cluster; 3-PCS; 4-a temperature control system; 5-high pressure tank; 6-a controller; 7-energy storage unit breaker; 8-a fire protection system; 100-array energy storage units; 101-battery compartment door; 102-battery compartment door lock; 103-a base; 104-forklift aperture; 105-corner pieces; 106-temperature controlled door; 107-temperature control cabin door lock; 108-an electrical door; 109-observation window; 110-electric compartment door lock; 111-air inlet holes of the electric cabin; 112-top exhaust holes; 113-front exhaust holes; 201-battery box; 202-battery holder; 203-positive connector; 204-a negative connector; 205-handle; 401-a water chiller; 402-a temperature control controller; 403-piping; 501-BMS; 502-a fuse; 503-a battery cluster circuit breaker; 801-flexible fire hose; 802-pressure gauge; 803-communication and activation means.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Fig. 2 is a topological diagram of an embodiment of the utility model, fig. 3 ~ 5 do respectively the utility model discloses an embodiment array energy storage unit stereogram, the inside schematic diagram in left side and the inside schematic diagram in front, as shown in fig. 2 ~ 5, the utility model provides an array energy storage system, it includes a plurality of array energy storage units (100), and every array energy storage unit (100) include a rack (1), a battery cluster (2), a PCS (3), a temperature control system (4), a high-pressure tank (5), a controller (6), an energy storage unit circuit breaker (7) and a fire extinguishing system (8), wherein:
as shown in fig. 3, the cabinet (1) includes at least one battery compartment door (101), at least one battery compartment door lock (102), a base (103), at least one forklift aperture (104), at least one corner piece (105), a temperature control compartment door (106), a temperature control compartment door lock (107), an electrical compartment door (108), an observation window (109), an electrical compartment door lock (110), a plurality of electrical compartment air inlet apertures (111), a plurality of top air outlet apertures (112), a plurality of front air outlet apertures (113), and the like, and the inside of the cabinet (1) further includes a battery compartment, a temperature control compartment, and an electrical compartment;
as shown in fig. 5, the battery pack (2) is disposed in the battery compartment, and comprises a plurality of battery boxes (201) and a battery frame (202), wherein each battery box (201) is fastened to the battery frame (202) by bolts, each battery box comprises a positive connector (203), a negative connector (204), a handle (205), and the like, and each battery box (201) comprises a plurality of lithium ion battery packs and a water cooling plate inside;
as shown in fig. 4 and 5, the temperature control system (4) includes a water chiller (401), a temperature controller (402), a plurality of pipelines (403), and the like, wherein the water chiller (401) and the temperature controller (402) are disposed in the temperature control cabin, the water chiller (401) is connected to the temperature controller (402), each pipeline (403) is respectively connected to the water chiller (401) and the water cooling plate inside each battery box (201), so that the cooling liquid forms a loop;
as shown in fig. 2 and 5, the high voltage box (5) is disposed in the battery compartment and electrically connected to the battery cluster (2), and includes a BMS (501), a fuse (502), a battery cluster breaker (503), and the like;
as shown in fig. 3 and fig. 6, the fire fighting system (8) is disposed in the battery compartment, and includes a flexible fire fighting pipe (801), a pressure gauge (802), and a communication and starting device (803), wherein the pressure gauge (802) and the communication and starting device (803) are respectively disposed at two ends of the flexible fire fighting pipe (801), the communication and starting device (803) includes temperature sensing elements with different temperature levels, and the flexible fire fighting pipe (801) includes a fire extinguishing agent therein. When the ambient temperature reaches the temperature range of the temperature sensing element design, the flexible fire fighting pipe (801) will burst to release the fire extinguishing agent inside;
as shown in fig. 2 and 4, the controller (6) is disposed in the electric cabin, and is respectively in data connection with the PCS (3), the temperature control system (4), the BMS (501) and the fire protection system (8);
as shown in fig. 2 and 4, the energy storage unit breaker (7) is disposed in the electrical compartment and includes an input end and an output end;
as shown in fig. 2 and fig. 4, the PCS (3) is disposed in the electric cabin, and includes two interfaces, wherein one interface is connected to the input end of the energy storage unit breaker (7) through a power line, the other interface is connected to one end of the battery cluster breaker (503) through a power line, the other end of the battery cluster breaker (503) is connected to one end of the fuse (502) through a power line, and the other end of the fuse (502) is connected to the battery cluster (2) through a power line;
as shown in fig. 2, each array energy storage unit (100) connects the output ends of the respective energy storage unit breakers (7) in parallel through power lines to the power grid.
In this embodiment, as shown in fig. 3, each battery compartment door (101) is disposed on the front of the cabinet (1), each battery compartment door lock (102) is disposed on the corresponding battery compartment door (101), the base (103) is disposed below the cabinet (1), each forklift aperture (104) is disposed on the base, each corner piece (105) is disposed on the base, the temperature control compartment door (106) is disposed on the lower portion of one side of the cabinet (1), the temperature control compartment door lock (107) is disposed on the temperature control compartment door (106), the electrical compartment door (108) is disposed on the upper portion of the same side of the cabinet (1) as the temperature control compartment door, the observation window (109) is disposed on the electrical compartment door (108), the electrical compartment door lock (110) is disposed on the electrical compartment door (108), the plurality of electrical compartment air inlet apertures (111) are disposed on the electrical compartment door (108), the plurality of top air outlet apertures (112) are disposed on the top of the cabinet, and the plurality of front air outlet apertures (113) are disposed on the front of the cabinet.
In the present embodiment, each lithium ion battery pack is composed of a plurality of battery cells connected in series or in parallel.
In the embodiment, the water chiller (401) comprises a cooling liquid circulation system, a cooling liquid heating system, a hair increasing device and the like, so as to realize the functions of cooling liquid circulation, cooling liquid heating, hair increasing device and the like and be controlled by the temperature control controller (402).
In this embodiment, the information collected by the BMS (501) includes: voltage, temperature and other information, and the BMS (501) uploads the collected information to the controller (6).
In this embodiment, the fire extinguishing agent is one of heptafluoropropane, perfluorohexanone, aerosol, and the like.
In the present embodiment, as shown in fig. 2, the PCS (3) may be a direct current and alternating current conversion (DC/AC) device for converting a battery direct current into an alternating current or converting an alternating current into a battery direct current, or may be a direct current and direct current conversion (DC/DC) device for a direct current coupling system or a distributed system.
In this embodiment, each array energy storage unit of the array energy storage system is a complete and independent energy storage system, and the array energy storage system can rapidly make a scheme according to the needs of customers in an m × n array combination manner. The working process of each array energy storage unit is as follows: when an energy storage unit breaker (7) of any array energy storage unit is closed, alternating current between the array energy storage unit and a power grid is conducted, when a battery cluster breaker (503) is closed, direct current in the array energy storage unit is conducted, if the controller (6) detects that the states of all parts are normal, a PCS (3) is started to carry out charging and discharging work, and when the controller (6) detects that equipment has a fault, the array energy storage unit equipment is protected and shut down. If an extreme short-circuit fault occurs in the array energy storage unit, the fuse (502) will be blown out rapidly to protect the equipment in the array energy storage unit. When the array energy storage unit has overload faults, the battery cluster circuit breaker (503) and the energy storage unit circuit breaker (7) can carry out tripping and tripping protection, and a circuit is opened to protect equipment in the array energy storage unit. There is independent fire extinguishing system in every array energy storage unit, after the temperature sensing original paper sensing ambient temperature in communication and starting drive (803) reached preset temperature range, flexible fire control pipe (801) then can explode to the inside fire extinguishing agent of release flexible fire control pipe (801) with realize the quick fire control in this array energy storage unit, avoid the fire behavior ripples and other array energy storage units, fall to the minimum with the risk range.
In another embodiment of the present invention, the liquid cooling mode can be replaced by an air cooling mode by the temperature control system.
The utility model discloses with the mode of tradition "battery cluster-container-energy storage power station", simplify to the mode of "energy storage unit-energy storage power station", go to the engineering project with productization thinking and accomplish, make energy storage power station high standardization, through the array combination of product, can formulate the implementation scheme of new project fast. The design of the independent cabin body and the independent fire control temperature control of the utility model decomposes and isolates the safety risk, and avoids the risk expansion; the standardized design greatly improves the reliability and efficiency of the system, greatly reduces the cost and the construction period, and has looser requirements on site conditions. Compared with the prior art, the utility model discloses array energy storage system function configuration highly fuses, has reduced the configuration that equipment pieced together and brought and has overlapped, and the lift system availability and efficiency improve the project income, have fine application prospect in the energy storage field.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (7)
1. The utility model provides an array energy storage system, its characterized in that includes a plurality of array energy storage units, and every array energy storage unit includes a rack, a battery cluster, a PCS, a temperature control system, a high-voltage box, a controller, an energy storage unit circuit breaker and a fire extinguishing system, wherein:
the cabinet comprises at least one battery compartment door, at least one battery compartment door lock, a base, at least one forklift hole, at least one corner fitting, a temperature control compartment door lock, an electric compartment door, an observation window, an electric compartment door lock, a plurality of electric compartment air inlet holes, a plurality of top air outlet holes and a plurality of front air outlet holes, and the inside of the cabinet also comprises a battery compartment, a temperature control compartment and an electric compartment;
the battery cluster is arranged in the battery compartment and comprises a plurality of battery boxes and a battery frame, wherein each battery box is fixedly locked on the battery frame through bolts and comprises a positive connector, a negative connector and a handle, and a plurality of lithium ion battery packs and a water cooling plate are arranged in each battery box;
the temperature control system comprises a water chiller, a temperature control controller and a plurality of pipelines, wherein the water chiller and the temperature control controller are arranged in the temperature control cabin, the water chiller is connected with the temperature control controller, and each pipeline is respectively connected with the water chiller and the water cooling plate in each battery box;
the high-voltage box is arranged in the battery cabin and is electrically connected with the battery cluster, and comprises a BMS, a fuse and a battery cluster breaker, wherein the BMS is in data connection with the controller;
the fire fighting system is arranged in the battery cabin and comprises a flexible fire fighting pipe, a pressure gauge and a communication and starting device, wherein the pressure gauge and the communication and starting device are respectively arranged at two ends of the flexible fire fighting pipe, the communication and starting device comprises temperature sensing elements with different temperature grades, and a fire extinguishing agent is contained in the flexible fire fighting pipe;
the controller is arranged in the electric cabin and is respectively in data connection with the PCS, the temperature control system, the BMS and the fire fighting system;
the energy storage unit breaker is arranged in the electric cabin and comprises an input end and an output end;
the PCS is arranged in the electric cabin and comprises two interfaces, wherein one interface is connected with the input end of the energy storage unit breaker through a power line, the other interface is connected with one end of the battery cluster breaker through a power line, the other end of the battery cluster breaker is connected with one end of the fuse through a power line, and the other end of the fuse is connected with the battery cluster through a power line;
and each array energy storage unit is connected with the output end of each energy storage unit breaker in parallel through a power line and then is connected into a power grid.
2. The array energy storage system of claim 1, wherein each battery compartment door is disposed on the front side of the cabinet, each battery compartment door lock is disposed on a corresponding battery compartment door, the base is disposed below the cabinet, each forklift aperture is disposed on the base, each corner fitting is disposed on the base, the temperature control compartment door is disposed on a lower portion of a side of the cabinet, the temperature control compartment door lock is disposed on the temperature control compartment door, the electrical compartment door is disposed on an upper portion of the same side of the cabinet as the temperature control compartment door, the observation window is disposed on the electrical compartment door, the electrical compartment door lock is disposed on the electrical compartment door, a plurality of electrical compartment air inlet apertures are disposed on the electrical compartment door, a plurality of top air outlet apertures are disposed on the top of the cabinet, and a plurality of front air outlet apertures are disposed on the front side of the cabinet.
3. The array energy storage system of claim 1, wherein each lithium ion battery pack consists of a plurality of cells connected in series or in parallel.
4. The array energy storage system of claim 1, wherein the water chiller comprises a coolant circulation system, a coolant heating system, and a booster.
5. The array energy storage system of claim 1, wherein the information collected by the BMS comprises: voltage and temperature.
6. The array energy storage system of claim 1, wherein the fire suppression agent is one of heptafluoropropane, perfluorohexanone, or an aerosol.
7. The array energy storage system of claim 1, wherein the PCS is a dc to ac conversion device or a dc to direct conversion device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023007981.2U CN214204964U (en) | 2020-12-15 | 2020-12-15 | Array type energy storage system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023007981.2U CN214204964U (en) | 2020-12-15 | 2020-12-15 | Array type energy storage system |
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| CN214204964U true CN214204964U (en) | 2021-09-14 |
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| CN202023007981.2U Active CN214204964U (en) | 2020-12-15 | 2020-12-15 | Array type energy storage system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284628A (en) * | 2021-12-17 | 2022-04-05 | 上海瑞浦青创新能源有限公司 | Box type energy storage battery system |
| CN114288586A (en) * | 2022-01-26 | 2022-04-08 | 胡朝汉 | Safety control system for electric ship and energy storage station |
-
2020
- 2020-12-15 CN CN202023007981.2U patent/CN214204964U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284628A (en) * | 2021-12-17 | 2022-04-05 | 上海瑞浦青创新能源有限公司 | Box type energy storage battery system |
| CN114284628B (en) * | 2021-12-17 | 2023-12-05 | 上海瑞浦青创新能源有限公司 | Box-type energy storage battery system |
| CN114288586A (en) * | 2022-01-26 | 2022-04-08 | 胡朝汉 | Safety control system for electric ship and energy storage station |
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