CN113707988A - Energy storage charging and discharging equipment - Google Patents
Energy storage charging and discharging equipment Download PDFInfo
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- CN113707988A CN113707988A CN202110776922.1A CN202110776922A CN113707988A CN 113707988 A CN113707988 A CN 113707988A CN 202110776922 A CN202110776922 A CN 202110776922A CN 113707988 A CN113707988 A CN 113707988A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/258—Modular batteries; Casings provided with means for assembling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J15/00—Systems for storing electric energy
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
Abstract
The invention provides energy storage charging and discharging equipment, which comprises a container, and a battery cabinet, an energy storage converter, a heat dissipation system and a battery management system which are arranged in the container and connected with each other; a plurality of uniformly spaced battery cell modules are detachably connected in the battery cabinet, each battery cell module comprises a single battery cell, and all the battery cell modules are connected in series; the heat dissipation system is arranged on one side in the container, and the back of the battery cabinet is connected with the heat dissipation system through an air duct. The battery cabinet, the energy storage converter, the heat dissipation system and the battery management system are integrated in one container, so that the solar battery box is convenient and fast to transport and suitable for various fields; install evenly spaced multi-disc electricity core module in the battery rack simultaneously, not only do benefit to cooling system's cold wind and get into and dispel the heat between the interval of every electric core module, also be convenient for the dismantlement and the change of single electric core module, the maintenance of easy equipment has wholly realized having the electric wire netting charge-discharge operation that has good heat dissipation and convenient effect concurrently.
Description
Technical Field
The invention relates to the field of energy storage equipment, in particular to energy storage charging and discharging equipment.
Background
At present, the power grid still has the defects of low stability, unstable power price of the power grid and the like, and the demand on energy storage equipment is increased day by day. In the current environment of energy storage equipment, floor type fixed distribution and storage are adopted, and if a use place is required to be replaced or the use configuration is difficult to replace in the use process, the whole charging bag needs to be replaced, which wastes time and labor; and the inside of the battery pack is in tight contact with the battery, so that the whole heat dissipation is poor, and the defects of low discharge rate, short cycle life and the like are caused.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides an energy storage charging and discharging equipment realizes having the electric wire netting charge-discharge operation of good heat dissipation and convenient effect concurrently.
In order to solve the technical problems, the invention adopts the technical scheme that:
an energy storage charging and discharging device comprises a container, and a battery cabinet, an energy storage converter, a heat dissipation system and a battery management system which are arranged in the container and connected with each other;
the battery cabinet is internally detachably connected with a plurality of battery cell modules which are uniformly spaced and have gaps with each other, each battery cell module comprises a single battery cell, and all the battery cell modules are connected in series;
the heat dissipation system is arranged on one side in the container, and the back of the battery cabinet is connected with the heat dissipation system through an air duct.
The invention has the beneficial effects that: the invention provides energy storage charging and discharging equipment, which is characterized in that a battery cabinet, an energy storage converter, a heat dissipation system and a battery management system are integrated in a container, and the container is transported to a specified place when in use and is connected with a power grid through a cable, so that the equipment can be used, convenient transportation is realized, and the equipment is suitable for various fields; install even interval and have gapped multi-disc electricity core module each other in the battery rack simultaneously, not only do benefit to cooling system's cold wind and get into and dispel the heat between the interval of every electric core module, the dismantlement and the change of single electric core module of also being convenient for simultaneously, the maintenance of easy equipment has wholly realized having the electric wire netting charge-discharge operation of good heat dissipation and convenient effect concurrently.
Drawings
Fig. 1 is a plan layout view of an energy storage charging and discharging device according to an embodiment of the present invention;
fig. 2 is a front view of an energy storage charging and discharging device according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of a battery cell module in the energy storage charging and discharging device according to the embodiment of the present invention;
fig. 4 is a schematic view illustrating an installation of a battery cabinet in an energy storage charging and discharging device according to an embodiment of the present invention.
Description of reference numerals:
10. a container; 11. a battery cabinet; 111. a battery cell module; 112. a first screw hole site; 113. a voltage and temperature detection terminal; 12. an energy storage converter; 13. an air conditioner; 131. an air inlet duct; 132. an air outlet duct; 133. an air draft fan; 14. a fire extinguisher; 15. high-voltage cabinet.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 4, an energy storage charging and discharging device includes a container, and a battery cabinet, an energy storage converter, a heat dissipation system and a battery management system which are installed in the container and connected to each other;
the battery cabinet is internally detachably connected with a plurality of battery cell modules which are uniformly spaced and have gaps with each other, each battery cell module comprises a single battery cell, and all the battery cell modules are connected in series;
the heat dissipation system is arranged on one side in the container, and the back of the battery cabinet is connected with the heat dissipation system through an air duct.
As can be seen from the above description, the beneficial effects of the present invention are: the battery cabinet, the energy storage converter, the heat dissipation system and the battery management system are integrated in one container, and when the container is used, the container is only required to be transported to a specified place and then connected with a power grid through a cable, so that the container can be used, convenient transportation is realized, and the container is suitable for various fields; install even interval and have gapped multi-disc electricity core module each other in the battery rack simultaneously, not only do benefit to cooling system's cold wind and get into and dispel the heat between the interval of every electric core module, the dismantlement and the change of single electric core module of also being convenient for simultaneously, the maintenance of easy equipment has wholly realized having the electric wire netting charge-discharge operation of good heat dissipation and convenient effect concurrently.
Further, two adjacent battery core modules are 10 mm-20 mm apart.
According to the description, the interval between every two adjacent battery cell modules is 10-20 mm, the gap is not too large or too small, and cold air which is favorable for a cooling system when more battery cell modules are arranged in a battery cabinet enters the gap between the battery cell modules through an air duct to fully cool.
Further, the battery cell module further comprises a battery cell shell formed by wrapping an aluminum shell, and a first screw hole site is arranged on the battery cell shell;
a second screw hole position corresponding to the first screw hole position is arranged on the battery cabinet;
the battery core module and the battery cabinet are detachably connected through screws.
According to the above description, the mode of screw fixation is adopted, so that the battery cell module can be conveniently installed in the battery cabinet, and meanwhile, when a certain battery cell module breaks down, the single battery cell module can be conveniently detached and replaced by unscrewing the screw, so that the battery cabinet can be conveniently maintained.
Further, the heat dissipation system comprises a refrigeration device, an exhaust fan, an air inlet duct and an air outlet duct;
the refrigerating device comprises a cold air inlet and a hot air outlet;
the cold air inlet is connected with the back of the battery cabinet through the air inlet duct laid above the battery cabinet;
the exhaust fan is arranged on the door opening side of the battery cabinet;
the hot air outlet is connected with the exhaust fan through an air outlet duct laid in the middle of the bottom in the container and used for discharging hot air out of the container.
According to the above description, the heat dissipation system can send cold air into the battery cabinet, dissipate heat of the battery core module, take out heat of the battery core module by the exhaust fan, and discharge the heat to the outside of the container through the air outlet duct, so that heat dissipation inner circulation is completed, over-high temperature in the battery cabinet is prevented, and safety and service life of the battery cabinet are improved.
Further, a high-voltage cabinet is also arranged in the container;
the high-voltage cabinet and the battery cabinet are designed into a whole, the high-voltage cabinet is positioned below the battery cabinet, and the high-voltage cabinet is connected with the energy storage converter through a cable;
the high-voltage battery comprises a battery cabinet, and is characterized in that a bus copper bar is installed in the high-voltage cabinet, and the bus copper bar is connected with the battery cabinet and used for collecting positive and negative electrode input/output of each battery cell module in the battery cabinet.
According to the description, the high-voltage cabinet is used for collecting the voltage in the battery cabinet, carrying out unified management, and controlling the charging or discharging with the power grid or the external equipment through the energy storage converter, so that the high charging and discharging multiplying power is realized.
Further, the battery management system comprises a master control board and a slave control board, wherein the master control board is integrated in the high-voltage cabinet, the slave control board is integrated in the battery cabinet, and the master control board is electrically connected with the slave control board;
and a voltage detection circuit and a temperature detection circuit are led out from the lug of each battery cell module and are connected to the slave control board.
According to the above description, the battery management system adopts multi-level management and control, and collects the voltage, temperature and other parameters of each battery cell module in the battery cabinet through the slave control board, and collects data through the master control board, so that the real-time monitoring of the running state of each battery cell module is realized.
Furthermore, the number of the battery cabinets is at least one, and the high-voltage cabinet and one battery cabinet are designed in an integrated mode;
the plurality of battery cabinets are connected in series or in parallel through cables.
According to the description, the number of the battery cabinets can be determined according to actual requirements, the requirements of various application scenarios can be met, and flexibility is achieved.
Furthermore, an alternating current output/input cable interface and a CAN/485/RS232/LAN communication interface are arranged on the energy storage converter.
According to the above description, the energy storage charging and discharging equipment can communicate with the external equipment through various communication interfaces, so that the requirements of different application scenes are met, and corresponding adjustment can be made according to actual conditions.
Further, the fire-fighting system is also included;
the fire protection system is mounted within the container.
From the above description, the use safety of the energy storage charging and discharging device is improved.
Further, the shell of the battery cabinet is made of rock wool boards;
the shell of the energy storage converter is made of metal plates.
According to the description, the rock wool board has strong fireproof performance, the phenomenon that the fire is caused by sparks due to short circuit in the battery cabinet can be effectively prevented, meanwhile, the strength of the equipment is enhanced through the energy storage converter of the metal plate shell, and the use safety of the energy storage charging and discharging equipment is further improved.
Referring to fig. 1 to 4, a first embodiment of the present invention is:
an energy storage charging and discharging device, as shown in fig. 1 or fig. 2, includes a container 10, and a battery cabinet 11, an energy storage converter 12, a heat dissipation system and a battery management system, which are not shown in the figure, installed in the container 10 and connected to each other.
In this embodiment, three battery cabinets 11 and one energy storage converter 12 are installed in the container 10, wherein the battery cabinets 11 are connected in series or in parallel through cables, in other equivalent embodiments, the number of the battery cabinets 11 can be flexibly set according to actual requirements, as long as at least one battery cabinet 11 is provided in the container 10.
The heat dissipation system is disposed at one side of the container 10, and the back of the battery cabinet 11 is connected to the heat dissipation system through an air duct. In this embodiment, as shown in fig. 1, the heat dissipation system uses two air conditioners 13 as the cooling devices, and in addition to the air conditioners 13, the heat dissipation system further includes an air inlet duct 131, an air outlet duct 132, and an exhaust fan 133 as shown in fig. 2. Wherein, the cold wind air intake of air conditioner 13 is connected with battery cabinet 11's back through the air inlet wind channel 131 that is located battery cabinet 11 top and lays, be used for sending into cold wind and dispel the heat to electric core module 111 in battery cabinet 11, induced-draft fan 133 sets up in battery cabinet 11's one side of opening the door, be used for with through electric core module 111 dispel the heat and the hot-blast extraction that forms and outside the container 10 through laying the air outlet wind channel 132 in the middle of the bottom in container 10, with this cold and hot exchange in accomplishing battery cabinet 11, prevent the high temperature in the battery cabinet 11, the safety and the life of battery cabinet 11 have been improved. In other equivalent embodiments, the refrigeration device may also be other devices capable of implementing a refrigeration function, and the corresponding number may be adopted according to actual needs.
As shown in fig. 4, a plurality of cell modules 111 are detachably connected to the battery cabinet 11 at regular intervals, and each cell module 111 includes a single cell. In this embodiment, all the battery cell modules 111 are connected in series, and the interval between two adjacent battery cell modules 111 is 10 mm-20 mm, so that the gap is not too large or too small, and cold air which is favorable for a heat dissipation system when more battery cell modules 111 are arranged in the battery cabinet 11 can be fully dissipated by entering the gap between the battery cell modules 111 through the air duct.
Wherein, electric core module 111 still includes the electric core shell that is formed by the aluminum hull parcel. As shown in fig. 3, a first screw hole site 112 is provided on the cell casing of the cell module 111, and a second screw hole site corresponding to the first screw hole site 112 is provided in the battery cabinet 11, that is, the cell module 111 and the battery cabinet 11 are connected by aligning screws with the screw hole sites, if a certain cell module 111 fails, the single cell module 111 can be detached and replaced by unscrewing screws, so as to facilitate the installation and maintenance of the battery cabinet 11.
In the embodiment, the battery cabinet 11, the energy storage converter 12 and the heat dissipation system are integrated in one container 10, so that the container 10 can be used only by being transported to a specified place and then being connected with a power grid through a cable, the transportation is convenient, and the container is suitable for various fields; simultaneously multi-disc electric core module 111 adopts even interval and has gapped mode each other and passes through the screw installation in battery rack 11, not only does benefit to cooling system's cold wind and gets into and dispel the heat between every electric core module 111's the interval, the dismantlement and the change of single electric core module 111 of also being convenient for simultaneously, the maintenance of easy equipment, whole electric wire netting charge-discharge operation that has good heat dissipation and convenient effect concurrently has been realized.
Referring to fig. 1 to 4, a second embodiment of the present invention is:
on the basis of the first embodiment, in the energy storage charging and discharging device of this embodiment, the container 10 further includes a high-voltage cabinet 15, the high-voltage cabinet 15 and the battery cabinet 11 adopt an integrated design, and the high-voltage cabinet 15 is to be located below the battery cabinet 11. As shown in fig. 2, since there are three battery cabinets 11 in the container 10 in this embodiment, the high-voltage cabinet 15 only needs to be integrated with one of the battery cabinets 11.
In this embodiment, the high-voltage cabinet 15 is connected with the energy storage converter 12 through a cable, and meanwhile, the cell module 111 installed in the high-voltage cabinet 15 is connected with the busbar and the battery cabinet 11, so as to summarize the voltage of each cell module 111 and perform unified management. Meanwhile, the battery management system comprises a master control board and a slave control board which are integrated in the high-voltage cabinet 15 and the battery cabinet 11 respectively, the master control board is electrically connected with the slave control board, and a voltage detection circuit and a temperature detection circuit are led out from a pole lug of each cell module 111 and are connected to the slave control board. As shown in fig. 3, the voltage and temperature detecting terminal 113 of the monolithic cell module 111 is connected to the voltage and temperature detecting section of the cell module 111 via the voltage detecting circuit and the temperature detecting circuit, the data of voltage, temperature and the like of each battery cell module 111 are monitored and processed in real time and are transmitted to the main control board for gathering, so that the real-time monitoring of the running state of each battery cell module 111 is realized, can be convenient for timely positioning the abnormal cell module 111 when the abnormal cell module 111 occurs in the follow-up process, and can be maintained or replaced in time, thereby improving the maintenance efficiency of the equipment, meanwhile, corresponding data can be provided for the energy storage converter 12, so that the energy storage converter 12 can conveniently acquire the running state of each cell module 111 and the running state of the whole battery cabinet 11, control energy interaction between the battery and the power grid, and inform the battery management system of corresponding charging and discharging operations according to the condition of the power grid.
Meanwhile, in this embodiment, the energy storage converter 12 is further provided with an ac output/input cable interface and a CAN/485/RS232/LAN communication port, that is, the energy storage charging and discharging device CAN communicate with an external device through various communication interfaces, so as to meet the requirements of different application scenarios, and make corresponding adjustments according to actual conditions.
Referring to fig. 1, a third embodiment of the present invention is:
on the basis of any one of the first embodiment or the second embodiment, the energy storage charging and discharging device of the present embodiment further includes a fire protection system, wherein the fire protection system is installed in the container 10. As shown in fig. 1, in this embodiment, the fire extinguishing system employs a fire extinguisher 14, and in other equivalent embodiments, the fire extinguishing system may also be a fire extinguishing apparatus such as a laid fire pipeline or a fire hydrant, so as to ensure the safety inside the container 10 and improve the safety of the energy storage charging and discharging device.
In addition, in this embodiment, the shell of the battery cabinet 11 is made of rock wool board with strong fire-proof performance, so that the short circuit in the battery cabinet 11 can be effectively prevented from generating sparks to cause combustion; meanwhile, the shell of the energy storage current transformer 12 is made of metal plates, so that the strength of the equipment is enhanced, and the use safety of the energy storage charging and discharging equipment is further improved.
In summary, according to the energy storage charging and discharging device provided by the invention, the battery cabinet, the energy storage converter, the heat dissipation system, the high-voltage cabinet and the battery management system are integrated in one container, and when the energy storage charging and discharging device is used, the container is only required to be transported to a specified place, and then the energy storage charging and discharging device can be used by being connected with a power grid through a cable, so that the energy storage charging and discharging device is convenient to transport and is suitable for various fields; and meanwhile, multiple battery cell modules with the uniform interval of 10-20 mm are installed in the battery cabinet through screws, so that cold air which is favorable for a heat dissipation system is blown in through an air duct to perform sufficient heat dissipation, the single battery cell module is convenient to detach and replace, the equipment is easy to maintain, and the whole power grid charging and discharging operation with good heat dissipation and convenient and fast effects is realized. The battery management system is integrated in the high-voltage cabinet and the battery cabinet, the real-time monitoring of the running state of each battery cell module can be realized, and meanwhile, the fire fighting system, the battery cabinet shell of the rock wool board and the energy storage converter shell made of metal plates further improve the use safety and the service life of the energy storage charging and discharging equipment.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. An energy storage charging and discharging device is characterized by comprising a container, and a battery cabinet, an energy storage converter, a heat dissipation system and a battery management system which are arranged in the container and connected with each other;
the battery cabinet is internally detachably connected with a plurality of battery cell modules which are uniformly spaced and have gaps with each other, each battery cell module comprises a single battery cell, and all the battery cell modules are connected in series;
the heat dissipation system is arranged on one side in the container, and the back of the battery cabinet is connected with the heat dissipation system through an air duct.
2. The energy storage charging and discharging device of claim 1, wherein the cell modules of two adjacent sheets are spaced by 10mm to 20 mm.
3. The energy storage charging and discharging device of claim 1, wherein the cell module further comprises a cell casing wrapped by an aluminum casing, and a first screw hole site is disposed on the cell casing;
a second screw hole position corresponding to the first screw hole position is arranged on the battery cabinet;
the battery core module and the battery cabinet are detachably connected through screws.
4. The energy storage charging and discharging device according to claim 1, wherein the heat dissipation system comprises a refrigeration device, an exhaust fan, an air inlet duct and an air outlet duct;
the refrigerating device comprises a cold air inlet and a hot air outlet;
the cold air inlet is connected with the back of the battery cabinet through the air inlet duct laid above the battery cabinet;
the exhaust fan is arranged on the door opening side of the battery cabinet;
the hot air outlet is connected with the exhaust fan through an air outlet duct laid in the middle of the bottom in the container and used for discharging hot air out of the container.
5. The energy storage charging and discharging device according to claim 1, wherein the container further comprises a high-voltage cabinet;
the high-voltage cabinet and the battery cabinet are designed into a whole, the high-voltage cabinet is positioned below the battery cabinet, and the high-voltage cabinet is connected with the energy storage converter through a cable;
the high-voltage battery comprises a battery cabinet, and is characterized in that a bus copper bar is installed in the high-voltage cabinet, and the bus copper bar is connected with the battery cabinet and used for collecting positive and negative electrode input/output of each battery cell module in the battery cabinet.
6. The energy storage charging and discharging device according to claim 5, wherein the battery management system comprises a master control board and a slave control board, the master control board is integrated in the high-voltage cabinet, the slave control board is integrated in the battery cabinet, and the master control board is electrically connected with the slave control board;
and a voltage detection circuit and a temperature detection circuit are led out from the lug of each battery cell module and are connected to the slave control board.
7. The energy storage charging and discharging device according to claim 5, wherein the number of the battery cabinets is at least one, and the high-voltage cabinet and one battery cabinet are designed in an integrated mode;
the plurality of battery cabinets are connected in series or in parallel through cables.
8. The energy storage charging and discharging device according to claim 1, wherein the energy storage converter is provided with an ac output/input cable interface and a CAN/485/RS232/LAN communication interface.
9. The energy storage charging and discharging device according to claim 1, further comprising a fire fighting system;
the fire protection system is mounted within the container.
10. The energy storage charging and discharging device according to claim 1, wherein the housing of the battery cabinet is made of rock wool board;
the shell of the energy storage converter is made of metal plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110776922.1A CN113707988A (en) | 2021-07-09 | 2021-07-09 | Energy storage charging and discharging equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110776922.1A CN113707988A (en) | 2021-07-09 | 2021-07-09 | Energy storage charging and discharging equipment |
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| CN113707988A true CN113707988A (en) | 2021-11-26 |
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| CN202110776922.1A Pending CN113707988A (en) | 2021-07-09 | 2021-07-09 | Energy storage charging and discharging equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI805310B (en) * | 2022-04-07 | 2023-06-11 | 英屬開曼群島商桓鼎股份有限公司 | Energy storage type stacked plate structure |
| CN117254193A (en) * | 2023-11-13 | 2023-12-19 | 晶科储能科技有限公司 | Energy storage system |
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