Energy storage container with self-supply auxiliary power
Technical Field
The utility model belongs to battery energy storage field, concretely relates to energy storage container from supplying auxiliary power consumption.
Background
The battery energy storage is increasingly concerned and paid attention as an adjusting resource with high adjusting speed, flexible arrangement and short construction period, and is rapidly developed in recent years. Meanwhile, under the drive of continuous improvement of the production scale and the manufacturing process of the battery body and high-integration development of the energy storage system, the cost of the energy storage system of the lithium ion battery is reduced by about 75% since 2012, and the cost of the energy storage system is reduced to 1500 yuan/kWh in 2020, so that the inflection point of the economy of the energy storage system is basically reached.
The current battery energy storage mainly adopts a container form, air-conditioning cooling is generally adopted, and the energy consumption of an air-conditioning system accounts for about 76.9 percent of the total energy consumption of the container system; meanwhile, the air conditioner generally adopts a single service power supply or inverter power supply mode, so that the energy consumption of the system is high, and the overall system efficiency is generally about 85%.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned air conditioner power consumption mode and generally getting the electricity for taking a service alone or dc-to-ac converter, the higher problem of energy consumption, the utility model provides a from energy storage container who supplies auxiliary power, the outer space arrangement photovoltaic board of make full use of container generates electricity for supply power to container auxiliary assembly, simultaneously, utilize the power storage device of configuration to save unnecessary electric quantity, realize 24 hours auxiliary assembly power supplies power, realize the whole efficiency promotion of battery energy storage container.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an energy storage container for self-powered auxiliary power, comprising: the container comprises a container, a coordination controller, a first switch, a second switch and a third switch, wherein an electric storage device and an air conditioner are arranged in the container; a photovoltaic panel is laid on the outer surface of the container;
the electric energy output end of the photovoltaic panel is connected with the electric energy input end of the coordination controller, the electric energy output end of the coordination controller and the electric energy output end of the electric storage device are both connected with the air conditioner, the first switch is arranged between the electric energy output end of the coordination controller and the air conditioner, and the third switch is arranged between the electric energy output end of the electric storage device and the air conditioner;
the electric energy output end of the coordination controller is also connected with the charging end of the electric storage device, and the second switch is arranged between the electric energy output end of the coordination controller and the electric storage device; the first switch, the second switch and the third switch are respectively connected with the coordination controller in a communication mode.
Further, the inside of container is provided with battery module.
Further, the battery module comprises a plurality of lithium batteries connected in series.
Further, the air outlet of the air conditioner is connected to the battery module through an air duct.
Further, the power storage device is a battery.
Furthermore, the power generation amount configuration of the photovoltaic panel is larger than the power required by the operation of the air conditioner.
Further, the photovoltaic panels are mounted on the top of the outside of the container, and on the east, west and south sides.
Further, the power configuration of the electrical storage device is larger than the power required for the air-conditioning operation.
The utility model discloses following beneficial effect has:
the embodiment of the utility model provides an energy storage container, the outside of container is paved with the photovoltaic board, is used for the electricity generation during the daytime, and supply container air conditioner moves. And when the photovoltaic power generation power is larger than the power required by the operation of the air conditioner, charging the redundant electric quantity into the storage battery. When the photovoltaic power generation power is smaller than the power required by the operation of the air conditioner, the corresponding required power is discharged to the outside by the storage battery. The photovoltaic panel is arranged in the outer layer space of the container to generate electricity, the auxiliary equipment of the container is powered on, meanwhile, the configured power storage device is used for storing redundant electric quantity, 24-hour power supply is achieved, and the overall efficiency of the energy storage container is improved.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of an energy storage container according to an embodiment of the present invention.
Fig. 2 is the utility model discloses photovoltaic board power supply schematic diagram.
Wherein: 1 a photovoltaic panel; 2, a container; 3 coordinating the controller; 4 a first switch; 5 a second switch; 6 a third switch; 7 an electric storage device; 8, air conditioning; 9 air duct; 10 battery module.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
The following detailed description is exemplary in nature and is intended to provide further details of the invention. Unless otherwise defined, all technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention.
The embodiment of the utility model provides an energy storage container from supplying auxiliary power, make full use of 2 outer spatial arrangement photovoltaic boards 1 of container generate electricity for supply power to air conditioner 8, utilize power storage device to save unnecessary electric quantity, realize 24 hours auxiliary assembly power supplies, promoted the whole efficiency of energy storage container.
As shown in fig. 1 and 2, an energy storage container for self-supplying auxiliary power, includes: the container comprises a container 2, a coordination controller 3, a first switch 4, a second switch 5 and a third switch 6, wherein an electric storage device 7 and an air conditioner 8 are arranged in the container 2; photovoltaic panels 1 are paved on the top end of the outer surface of the container 2, the east surface, the west surface and the south surface; the container 2 is provided with a battery module 10 inside, and in this embodiment, the battery module 10 includes a plurality of lithium batteries connected in series. An air outlet of the air conditioner 8 is connected to the battery module 10 through an air duct 9 and used for cooling the battery module 10. The electric energy output end of the photovoltaic panel 1 is connected with the electric energy input end of the coordination controller 3, the electric energy output end of the coordination controller 3 and the electric energy output end of the electric storage device 7 are both connected with the air conditioner 8, the first switch 4 is arranged between the electric energy output end of the coordination controller 3 and the air conditioner 8, and the third switch 6 is arranged between the electric energy output end of the electric storage device 7 and the air conditioner 8; in the present embodiment, the power storage device 7 is a battery.
The electric energy output end of the coordination controller 3 is also connected with the charging end of the electric storage device 7, and the second switch 5 is arranged between the electric energy output end of the coordination controller 3 and the electric storage device 7; the first switch 4, the second switch 5 and the third switch 6 are respectively in communication connection with the coordination controller 3, which controls the closing of the switches.
The power generation configuration of the photovoltaic panel 1 is larger than the electric quantity required by the operation of the air conditioner, and the power configuration is larger than or equal to the power required by the operation of the air conditioner. The power configuration of the electric storage device 7 is larger than the power required by the air conditioner to operate, and the electric quantity configuration is at least larger than the electric quantity required by the air conditioner to operate without sunlight.
The working principle of the utility model is as follows:
when the illumination is better in the daytime, the photovoltaic panel 1 generates electricity, the coordination controller 3 controls the first switch 4 to be closed, the photovoltaic panel 1 generates electricity for the air conditioner 8 to operate, and when the power generation power of the photovoltaic panel 1 is greater than the power required by the air conditioner 8 to operate, the coordination controller 3 controls the second switch 5 to be closed, and redundant generated energy is charged into the electric storage device 7. When the illumination is poor in daytime and the power generation power of the photovoltaic panel 1 is smaller than the power required by the operation of the air conditioner 8, the coordination controller 3 controls the third switch 6 to be closed, and the electric storage device 7 discharges insufficient electric quantity for supplementing the power consumption of the air conditioner 8. When no light is emitted at night, the photovoltaic panel 1 does not output current to generate power, the coordination controller 3 controls the third switch 6 to be closed, the first switch 4 and the second switch 5 are disconnected, and the electric quantity required by the air conditioner 8 is completely provided by the electric storage device 7.
In the embodiments provided in the present application, the disclosed technical content mainly refers to a battery module structure of a battery energy storage system, which does not include other assemblies and management control units in the battery energy storage system, a fire protection system, an air conditioning system, etc., and it should be understood that all battery energy storage systems based on the structure are included in the scope of the present invention.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.