CN219164291U - Intelligent complementary charging system - Google Patents
Intelligent complementary charging system Download PDFInfo
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- CN219164291U CN219164291U CN202222404357.9U CN202222404357U CN219164291U CN 219164291 U CN219164291 U CN 219164291U CN 202222404357 U CN202222404357 U CN 202222404357U CN 219164291 U CN219164291 U CN 219164291U
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- charging system
- combined transformer
- energy storage
- storage control
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model relates to an intelligent complementary charging system, and belongs to the technical field of new energy charging. The complementary charging system adopts a power grid and solar complementary technology, and the power grid is introduced into the charging system through the combined transformer substation so as to make up for the defect that solar energy cannot meet normal charging when the illumination intensity is low; meanwhile, the energy storage control box is used for storing the redundant electric energy converted from solar energy, so that the waste of energy is avoided, the solar energy utilization efficiency can be improved as much as possible, and the electric power output of a power grid is further saved.
Description
Technical Field
The utility model relates to an intelligent complementary charging system, and belongs to the technical field of new energy charging.
Background
Along with the development and progress of science and technology, the application of converting solar energy into electric energy is wider, and the electric vehicle is very fast in development due to the advantages of low energy consumption, energy conservation, environmental protection and the like. Therefore, a technique of charging an electric vehicle using solar energy has been developed.
However, the existing solar charging device is low in efficiency, cannot be used normally at night or in overcast days, is relatively high in efficiency due to weather influence, and further influences normal charging of the electric vehicle.
Disclosure of Invention
The utility model aims to provide an intelligent complementary charging system to solve the problems that an existing solar charging device is low in efficiency and cannot ensure normal charging of an electric vehicle.
The utility model provides an intelligent complementary charging system for solving the technical problems, which comprises a combined transformer station, an energy storage control box, a photovoltaic power generation unit and a charging pile; the combined transformer substation is arranged in a box body and comprises a combined transformer, one side of the combined transformer is used for being connected with a power grid, and the other side of the combined transformer is connected with a charging pile through a circuit breaker; a battery cabinet is arranged in the energy storage control box, a storage battery system is arranged on the battery cabinet, and the storage battery is connected with a charging pile through an inverter power supply; the photovoltaic power generation unit comprises a photovoltaic module and a centralized controller, and the photovoltaic module is connected with the storage battery through the centralized controller; the charging pile comprises a charger, one end of the charger is used for being connected with a charging gun, and the other end of the charger is connected with the alternating current side of the inverter.
The complementary charging system adopts a power grid and solar complementary technology, and the power grid is introduced into the charging system through the combined transformer substation so as to make up for the defect that solar energy cannot meet normal charging when the illumination intensity is low; meanwhile, the energy storage control box is used for storing the redundant electric energy converted from solar energy, so that the waste of energy is avoided, the solar energy utilization efficiency can be improved as much as possible, and the electric power output of a power grid is further saved.
Further, the energy storage control box is cuboid, the top of the energy storage control box is a double-layer top, a door is arranged on the front side of the energy storage control box, and a window is arranged on the side face of the energy storage control box.
Further, in order to achieve better heat dissipation, the energy storage control box is provided with heat dissipation holes, and the heat dissipation holes are formed in the periphery of the top of the box body and are side by side waist holes.
Further, the box body where the combined transformer substation is located is a cuboid, the top of the box body is a double-layer top, a door is arranged on the front side of the box body, and a window is arranged on the side face of the box body.
Further, in order to achieve better heat dissipation, the box body where the combined transformer substation is located is provided with heat dissipation holes, and the heat dissipation holes are formed in the periphery of the top of the box body and are side by side waist holes.
Further, in order to improve the solar energy utilization efficiency and save the space, the photovoltaic module is arranged at the top of the box body where the combined transformer substation is located and/or at the top of the energy storage control box.
Further, in order to realize the monitoring of the combined transformer substation, the combined transformer substation further comprises an oil temperature environment monitoring unit and an equipment state monitoring module.
Further, the combined transformer substation further comprises a communication module, and the oil temperature environment monitoring unit and the equipment state monitoring module are connected with the communication module.
Further, the centralized controller comprises a bidirectional DC/DC converter, one side of the bidirectional DC/DC converter is connected with the storage battery, and the other side of the bidirectional DC/DC converter is connected with the photovoltaic power generation unit and the direct current side of the inverter.
Further, the combined transformer is further connected with an alternating current side of the inverter through the circuit breaker and is used for charging the storage battery when the storage battery capacity is lower than a set limit due to insufficient electric energy generated by the photovoltaic module.
Drawings
FIG. 1 is a front view of an intelligent electrical energy replenishment system of the present utility model;
FIG. 2-a is an electrical wiring diagram of a modular substation in the intelligent electrical energy supply system of the present utility model;
FIG. 2-b is an electrical wiring diagram of an energy storage control box in the intelligent electrical energy supply system of the present utility model;
FIG. 2-c is an electrical wiring diagram of an AC charging stake in the intelligent electrical energy supply system of the present utility model;
FIG. 3-a is a front view of the energy storage control box of the present utility model;
FIG. 3-b is a rear view of the energy storage control box of the present utility model;
FIG. 4-a is a front view of the intelligent modular substation of the present utility model;
FIG. 4-b is a rear view of the intelligent modular substation of the present utility model;
1 is an intelligent combined box transformer; 2 is a photovoltaic module; 3 is a box low-voltage outlet circuit breaker; 4 is an energy storage control box; 5 is a battery cabinet; 6 is an energy storage control box photovoltaic module; 7 is a centralized controller; 8 is a charging pile.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings.
The complementary charging system adopts a power grid and solar complementary technology, a power grid and an energy storage device are added, and the power grid is introduced into the charging system through a combined transformer substation, so that the defect that solar energy cannot meet normal charging when the illumination intensity is low is overcome; meanwhile, the energy storage control box is used for storing the redundant electric energy converted from solar energy, so that the waste of energy is avoided, the solar energy utilization efficiency can be improved as much as possible, and the electric power output of a power grid is further saved.
The complementary charging system comprises a combined transformer substation part, a new energy power generation part, an energy storage part and a charging part. As shown in fig. 1, the combined transformer substation part adopts an intelligent combined box transformer 1, the new energy power generation part comprises a photovoltaic module 2, an energy storage control box photovoltaic module 6 and a centralized controller 7, the energy storage part adopts an energy storage control box 4, and the power generation part comprises a charging pile 8.
The intelligent combined type box transformer 1 is internally provided with a combined transformer and a box low-voltage outlet circuit breaker 3, the electric connection of the combined type transformer is shown in fig. 2-a, the high-voltage side of the combined type transformer is connected with a power grid, and the low-voltage side of the combined type transformer is connected with an energy storage control box 4 and a charging pile 8 through the box low-voltage outlet circuit breaker 3. As shown in fig. 2-b, the solar panel (photovoltaic module) is connected to the centralized controller (the controller in fig. 2-b) through a direct current breaker, the centralized controller in this embodiment refers to a DC/DC converter, the solar panel is connected to one end of the DC/DC converter, a direct current surge protector is arranged on a connection line of the centralized controller, the other end of the DC/DC converter is connected to a storage battery in the battery cabinet, and since the charging pile in this embodiment adopts an alternating current charging pile, the DC/DC converter is also connected to the charging pile through an inverter, the DC/DC converter is connected to a direct current side of the inverter, and an alternating current side of the inverter is used for connecting the alternating current charging pile; in order to ensure the normal electricity utilization of the charging pile when the illumination intensity is not strong or at night, the alternating-current side of the inverter is also connected with the output end of the intelligent combined type box transformer substation, and the electricity of the power grid is used as a standby. The charging pile 8 adopts an alternating current charging pile, and the electric connection relation of the charging pile is shown in fig. 2-c, and the charging pile comprises a plurality of charging guns, wherein the output end of an energy storage control box is connected to the charging guns through a circuit breaker, a surge protector and a relay.
Specifically, as shown in fig. 4-a and 4-b, the intelligent combined box transformer 1 is in a regular cuboid shape, the shell is made of 304 stainless steel, the underframe is formed by welding profile steel, and the strength of the structure and the long service life can be ensured; the shell top is double-deck top, and the louvre is arranged in shutter on door and curb plate and upper strata top lower part all around louvre, and wherein shutter on door and the curb plate is labyrinth tripe, and the louvre all around in top is the waist hole side by side, can satisfy the heat dissipation demand of transformer substation.
In addition, for realizing the monitoring to intelligent combination formula case becomes 1 in, still be provided with oil temperature environment monitoring unit and equipment state monitoring module, wherein oil temperature environment monitoring unit can adopt temperature sensor, and equipment state monitoring module can adopt voltage, current sensor, for realizing the upward feeding of monitoring information, still be provided with communication module, this communication module can use wireless communication mode, oil temperature environment monitoring unit and equipment state monitoring module link to each other with communication module for upload the information of gathering to the thing networking platform. The box low-voltage outgoing line breaker 3 is an intelligent breaker, is internally provided with an RS485 communication interface, has the functions of remote measurement, remote signaling, remote control, remote regulation and the like, and realizes intelligent management of a power grid; the liquid crystal display screen is adopted to automatically and circularly display the real-time current, voltage and product switching-off state, and the tripping reason is automatically displayed when a fault trips.
The energy storage control box 4 is shown in fig. 3-a and 3-b, the appearance is a regular cuboid, the shell material is 304 stainless steel, the underframe is formed by welding profile steel, the strength of the structure and the long service life can be ensured, and the solar photovoltaic module is arranged at the top; the top of the shell is a double-layer top, and the radiating holes are arranged on the louver on the door and the side plate and the radiating holes on the periphery of the lower part of the upper layer top, wherein the louver on the door and the side plate is a labyrinth louver, and the radiating holes on the periphery of the top are side by side waist holes, so that the radiating requirements of the battery cabinet and the centralized controller can be met. The energy storage control box is arranged into two compartments, one compartment is used for placing the centralized controller 7, the other compartment is internally provided with the battery cabinets 5, in the embodiment, two groups of back-to-back battery cabinets are adopted, a large number of storage batteries are arranged in each battery cabinet, the capacity, the type and the form of the storage batteries can be adjusted according to the most advanced energy storage medium, but the volume of the storage batteries is uniform to be a unique standard, the extension application of each field of the storage batteries is ensured, and the storage batteries are arranged according to the national standard after national standards are formed. The centralized controller is used for providing a converging function of power generation of the solar photovoltaic module and can provide a direct current-alternating current inversion function, and comprises a bidirectional DC/D converter and an inverter.
In order to improve the photovoltaic power generation efficiency and reduce the volume, the photovoltaic module is arranged at the top of the intelligent combined box transformer and energy storage control box. The charging piles adopt alternating-current charging piles, each charging pile is provided with a quick charging interface and a conventional interface, the current of the quick charging interface is larger than that of the conventional interface, and the service condition and the equipment running condition of the charging piles can be uploaded to the platform of the Internet of things through a 5G network and the communication modes; when the charging pile is used, a user scans the two-dimensional code of the charging pile or carries out payment in other modes.
Under normal conditions, the electric energy generated by the photovoltaic module is supplied to the charging pile through the centralized controller, the redundant electric energy is supplied to the storage battery, when the electric energy generated by the photovoltaic module is insufficient, the storage battery is supplied with power, if the electric quantity of the storage battery is insufficient, the electric power is supplied by the power grid, meanwhile, when the electric quantity of the storage battery is lower than a set value, and the photovoltaic module cannot charge the storage battery, the power grid charges the storage battery through the intelligent combined type box transformer and the inverter in the centralized controller. The combined charging system of the utility model mainly uses new energy to generate electricity, and the power supply provided by the low-voltage side of the combined transformer substation is used as an auxiliary power supply, so that the self-sufficiency of the power supply is realized to the greatest extent, and the electric quantity of 60% or more can be saved compared with the conventional commercial power supply.
The system can be applied to any places such as distribution network existence areas, expressway service areas, district new energy parking lots and the like, and has extremely high practicability, economic value and social benefit.
Claims (9)
1. The intelligent complementary charging system is characterized by comprising a combined transformer station, an energy storage control box, a photovoltaic power generation unit and a charging pile; the combined transformer substation is arranged in a box body and comprises a combined transformer, one side of the combined transformer is used for being connected with a power grid, and the other side of the combined transformer is connected with a charging pile through a circuit breaker; a battery cabinet is arranged in the energy storage control box, a storage battery system is arranged on the battery cabinet, and the storage battery is connected with a charging pile through an inverter power supply; the photovoltaic power generation unit comprises a photovoltaic module and a centralized controller, and the photovoltaic module is connected with the storage battery through the centralized controller; the charging pile comprises a charger, one end of the charger is used for being connected with a charging gun, and the other end of the charger is connected with the alternating current side of the inverter;
the energy storage control box is cuboid, the top of the energy storage control box is a double-layer top, a door is arranged on the front side of the energy storage control box, and a window is arranged on the side face of the energy storage control box.
2. The intelligent complementary charging system according to claim 1, wherein the energy storage control box is provided with heat dissipation holes, and the heat dissipation holes are arranged around the top of the box body and are side-by-side waist holes.
3. The intelligent complementary charging system according to claim 1, wherein the box body of the combined transformer substation is a cuboid, the top of the box body is a double-layer top, a door is arranged on the front surface of the box body, and a window is arranged on the side surface of the box body.
4. The intelligent complementary charging system according to claim 3, wherein the box body of the combined transformer substation is provided with heat dissipation holes, and the heat dissipation holes are arranged around the top of the box body and are side-by-side waist holes.
5. The intelligent complementary charging system according to claim 1 or 3, wherein the photovoltaic module is disposed on top of a box body where the combined transformer station is located and/or on top of an energy storage control box.
6. The intelligent complementary charging system according to claim 3, wherein the combined transformer station further comprises an oil temperature environment monitoring unit and an equipment state monitoring module.
7. The intelligent complementary charging system according to claim 3, wherein the combined transformer station further comprises a communication module, and the oil temperature environment monitoring unit and the equipment state monitoring module are connected with the communication module.
8. The intelligent complementary charging system according to any one of claims 1-4, wherein the centralized controller comprises a bi-directional DC/DC converter, one side of the bi-directional DC/DC converter is connected to the battery, and the other side is connected to the photovoltaic power generation unit and the DC side of the inverter.
9. The intelligent complementary charging system according to claim 8, wherein the combined transformer is further connected to the ac side of the inverter via a circuit breaker for charging the battery when the insufficient power generated by the photovoltaic module results in a battery capacity below a set limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222404357.9U CN219164291U (en) | 2022-09-09 | 2022-09-09 | Intelligent complementary charging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222404357.9U CN219164291U (en) | 2022-09-09 | 2022-09-09 | Intelligent complementary charging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219164291U true CN219164291U (en) | 2023-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222404357.9U Active CN219164291U (en) | 2022-09-09 | 2022-09-09 | Intelligent complementary charging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219164291U (en) |
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- 2022-09-09 CN CN202222404357.9U patent/CN219164291U/en active Active
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