CN218102601U - New energy power supply system for energy storage and allocation of multiple batteries - Google Patents
New energy power supply system for energy storage and allocation of multiple batteries Download PDFInfo
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- CN218102601U CN218102601U CN202221772758.3U CN202221772758U CN218102601U CN 218102601 U CN218102601 U CN 218102601U CN 202221772758 U CN202221772758 U CN 202221772758U CN 218102601 U CN218102601 U CN 218102601U
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Abstract
A new energy power supply system for energy storage and allocation of various batteries belongs to the technical field of electric energy storage and transportation. The method is characterized in that: including power generation unit, accumulate unit and power consumption unit, power generation unit's output links to each other with accumulate unit and power consumption unit simultaneously, and accumulate unit's output links to each other with the power consumption unit, and accumulate unit is including the two-stage electricity storage module that connects gradually: the power utilization unit is provided with a power utilization end power storage module in butt joint with the secondary power storage module, and the secondary power storage module is connected with the power utilization end power storage module through a power grid. In this multiple battery energy storage allotment new forms of energy power supply system, through all setting up the module that can save the electric energy at power generation end and power consumption end, can save the electric energy when the power consumption low peak, send the use during the power consumption high peak, reduced power generation end cost of electricity generation and power consumption end cost of electricity consumption simultaneously.
Description
Technical Field
A new energy power supply system for energy storage and allocation of various batteries belongs to the technical field of electric energy storage and transmission.
Background
After 30 years of reformation and development, the social economy of China changes with the earth, and particularly, power enterprises are greatly reformed and developed. But the contradiction between the power generation enterprises and the power utilization enterprises is more and more prominent at present, and the reason is that: for a power generation enterprise: (1) the cost of power generation is high and cannot be controlled. (2) The utilization rate of the generator set is low, and is especially serious when the electricity consumption is low peak every day (23 hours to 6 days every night), and the power consumption is low and the electricity is inconvenient to store, and the generator set has to be continuously operated at the time, so the generator set is a serious burden for a power generation enterprise. (3) The pollution is serious, and in the power generation process, taking a coal-fired unit as an example, a large amount of pollutants such as carbon dioxide and sulfur dioxide can be generated in the power generation process, so that the pressure for treating the environmental pollution is large for power generation enterprises. For power utilization enterprises, especially for power utilization households, normal power consumption is usually concentrated in a power utilization peak, and at the moment, due to the fact that the demand of the power consumption is large, the power cost is usually far higher than the power cost price at the time of power utilization peak, and the production cost of the power utilization enterprises is greatly improved. Although the power utilization strategy of peak clipping and valley filling is applied in the power grid at present, the expected purpose of peak clipping and valley filling is not achieved due to the fact that the capacity of storing electric energy of some power utilization enterprises is poor.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide one kind through all setting up the module that can save the electric energy at power generation end and power consumption end, can save the electric energy when the power consumption low peak, send the use during the power consumption high peak, reduced the multiple battery energy storage allotment new forms of energy power supply system of power generation end power generation cost and power consumption end power consumption cost simultaneously.
The utility model provides a technical scheme that its technical problem adopted is: this multiple battery energy storage allotment new forms of energy power supply system, its characterized in that: including power generation unit, accumulate unit and power consumption unit, power generation unit's output links to each other with accumulate unit and power consumption unit simultaneously, and accumulate unit's output links to each other with the power consumption unit, and accumulate unit is including the two-stage electricity storage module that connects gradually: the power utilization unit is provided with a power utilization end power storage module in butt joint with the secondary power storage module, and the secondary power storage module is connected with the power utilization end power storage module through a power grid.
Preferably, the primary electricity storage module comprises an aluminum air battery pack and a hydrogen fuel battery pack, the output end of the electricity generation unit is simultaneously connected with the input ends of the aluminum air battery pack and the hydrogen fuel battery pack, and the output ends of the aluminum air battery pack and the hydrogen fuel battery pack are connected with the input end of the secondary electricity storage module.
Preferably, the aluminum-air battery pack comprises 380 to 400 aluminum-air battery cells connected in series.
Preferably, each aluminum-air battery cell weighs 1T.
Preferably, a water electrolysis unit is further provided, the power generation unit is connected into the water electrolysis unit, and a hydrogen output end of the water electrolysis unit is connected into an input end of the hydrogen fuel cell stack through a storage medium.
Preferably, the secondary electricity storage module is a lead lithium battery.
Preferably, the electricity-using end storage module is a lead lithium battery.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
1. in this multiple battery energy storage allotment new forms of energy power supply system, through all setting up the module that can save the electric energy at power generation end and power consumption end, can save the electric energy when the power consumption low peak, send the use during the power consumption high peak, reduced power generation end electricity generation cost and power consumption end power consumption cost simultaneously. To the electricity generation enterprise, when the power consumption low peak, save the electric energy, reduced the cost of electricity generation simultaneously having avoided the waste of resource, and to the power consumption enterprise, through setting up plumbous lithium cell group, the storage that can the power generation enterprise sent when lower cost bought uses when the power consumption high peak, has reduced manufacturing cost.
2. The aluminum-air battery is mature, each kilogram of pure aluminum can generate electric energy of 8.4 kilowatt hours theoretically, 380-400 aluminum-air battery monomers connected in series are arranged in an aluminum-air battery pack of the new energy power supply system prepared by various battery energy storage, and 380V alternating current can be obtained after inversion. The weight of each aluminum-air battery is 1T, and the aluminum-air battery pack can theoretically generate electric energy of 304-320 ten thousand kilowatt-hours.
3. The product of the hydrogen fuel cell in the power generation process is only water, so that the hydrogen fuel cell does not cause any pollution to the environment.
4. Through set up plumbous lithium cell group at the power consumption unit, realized the purpose that power generation enterprise and power consumption enterprise were saved the electric energy simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of a system for allocating new energy to supply power by storing energy by multiple batteries.
Fig. 2 is a schematic block diagram of an electricity storage unit of a new energy power supply system configured by storing energy by multiple batteries.
Fig. 3 is a schematic block diagram of an electric unit for a multi-battery energy storage and deployment new energy power supply system.
Detailed Description
FIGS. 1 to 3 show preferred embodiments of the present invention, and the present invention will be further described with reference to FIGS. 1 to 3.
As shown in fig. 1, the multiple battery energy storage and deployment new energy power supply system comprises a power generation unit, an electricity storage unit and an electricity utilization unit, wherein the power generation unit is a power generation enterprise, the electricity utilization unit is an electricity utilization enterprise, the output end of the power generation unit is connected with the electricity storage unit and the electricity utilization unit simultaneously, and the output end of the electricity storage unit is connected with the electricity utilization unit. When the electricity consumption is in a peak, the power generation unit directly sends the generated electric energy to the electricity consumption unit; and when the power consumption low ebb, because the power consumption demand at the power consumption unit reduces, consequently the electric energy that the power generation unit sent sends is sent into the accumulate unit and is saved, and when the power consumption peak, the accumulate unit can release the electric energy of storage to satisfy the power consumption demand of power consumption unit.
As shown in fig. 2, the electricity storage unit includes a two-stage electricity storage module including a first-stage electricity storage module and a second-stage electricity storage module, wherein the first-stage electricity storage module includes an aluminum air battery pack and a hydrogen fuel battery pack, and the second-stage electricity storage module employs a long-acting large-capacity lead lithium battery pack (hereinafter referred to as a lead lithium battery pack). The electric energy output by the power generation unit is connected into the aluminum air battery pack, and is connected into the hydrogen fuel battery through the water electrolysis module, the electric energy sent by the primary hydrogen fuel battery pack of the aluminum air battery pack is connected into the lead lithium battery pack, and the electric energy output by the lead lithium battery pack is sent into the power utilization unit through a power grid.
In the prior art, aluminum-air batteries are mature, each kilogram of pure aluminum can generate electric energy of 8.4 kilowatt-hours theoretically, and 380 to 400 aluminum-air battery monomers connected in series are arranged in an aluminum-air battery pack of a new energy power supply system for energy storage and allocation of various batteries. In an actual product, the output voltage of each aluminum-air battery cell is about 1.2V of direct current, 380-400 aluminum-air battery cells are connected in series and then are inverted to be changed into alternating current, and then 380V alternating current can be obtained. The weight of each aluminum-air battery monomer is 1T, namely the theoretical value of the electric energy which can be generated by each aluminum-air battery monomer is about 8000 kilowatts, and the theoretical value of the electric energy which can be generated by the whole aluminum-air battery pack is 304-320 kilowatts.
In the hydrogen fuel cell stack, firstly, the electric energy generated by the power generation unit is electrolyzed by the water electrolysis module, and the hydrogen obtained by electrolysis is stored, and the generated oxygen can be sold. When the hydrogen fuel cell is required to generate power, the stored hydrogen gas is fed to the hydrogen fuel cell, and power generation is performed by the hydrogen fuel cell. The hydrogen fuel cell also adopts a plurality of groups of series connection to ensure that the generated alternating current can obtain 380V alternating current after inversion. The product of the hydrogen fuel cell in the power generation process is only water, so that the hydrogen fuel cell does not cause any pollution to the environment.
The electric energy that aluminium air battery group and hydrogen fuel cell group sent is sent into the plumbous lithium cell group simultaneously and is stored and charge plumbous lithium cell to carry out the regulation of power through plumbous lithium cell group. The power generation unit and the power storage unit are simultaneously positioned in a power generation enterprise, and in the power generation enterprise, the existing basic arrangement can be utilized to increase the electric energy output by the lead lithium battery from low-voltage alternating current to high-voltage alternating current of 110kv or even 220kv, and the electric energy is sent into a power grid and is sent into the power utilization unit through the power grid.
As shown in fig. 3, the electricity using unit includes a lead lithium battery pack interfacing with the lead lithium battery pack in the electricity storage unit and an actual electric appliance. The input end of the power utilization unit is simultaneously provided with the voltage transformation system and the rectification system, so that the power utilization unit can be directly connected into the power utilization unit for use, and the power utilization unit can be rectified into alternating current through the rectification system and sent into the lead lithium battery pack for storage.
Through set up plumbous lithium cell group at the power consumption unit, realized the purpose that power generation enterprise and power consumption enterprise were saved the electric energy simultaneously. To the electricity generation enterprise, when the power consumption low peak, save the electric energy, reduced the generating cost simultaneously when having avoided the waste of resource, and to the power consumption enterprise, through setting up plumbous lithium cell group, the storage that can the power generation enterprise sent when lower cost was bought uses when the power consumption high peak, has reduced manufacturing cost.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (7)
1. Multiple battery energy storage allotment new forms of energy power supply system, its characterized in that: including power generation unit, accumulate unit and power consumption unit, power generation unit's output links to each other with accumulate unit and power consumption unit simultaneously, and accumulate unit's output links to each other with the power consumption unit, and accumulate unit is including the two-stage electricity storage module that connects gradually: the power utilization unit is provided with a power utilization end power storage module in butt joint with the secondary power storage module, and the secondary power storage module is connected with the power utilization end power storage module through a power grid.
2. The system for allocating new energy resources for power supply according to claim 1, wherein: the primary electricity storage module comprises an aluminum air battery pack and a hydrogen fuel battery pack, the output end of the electricity generation unit is connected with the input ends of the aluminum air battery pack and the hydrogen fuel battery pack, and the output ends of the aluminum air battery pack and the hydrogen fuel battery pack are connected with the input end of the secondary electricity storage module.
3. The system for allocating new energy resources for power supply according to claim 2, wherein: the aluminum-air battery pack comprises 380-400 aluminum-air battery cells connected in series.
4. The multiple battery energy storage deployment new forms of energy power supply system of claim 3, characterized by: each aluminum-air battery cell weighs 1T.
5. The multiple battery energy storage deployment new forms of energy power supply system of claim 2, characterized by: the water electrolysis device is also provided with a water electrolysis unit, the power generation unit is connected into the water electrolysis unit, and the hydrogen output end of the water electrolysis unit is connected into the input end of the hydrogen fuel cell pack through a storage medium.
6. The multiple battery energy storage deployment new forms of energy power supply system of claim 1, characterized by: the secondary electricity storage module is a lead lithium battery.
7. The system for allocating new energy resources for power supply according to claim 1, wherein: the electricity-using end electricity storage module is a lead lithium battery.
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