CN115693775A - Extensible compatible power grid system based on new energy access - Google Patents
Extensible compatible power grid system based on new energy access Download PDFInfo
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- CN115693775A CN115693775A CN202211426541.1A CN202211426541A CN115693775A CN 115693775 A CN115693775 A CN 115693775A CN 202211426541 A CN202211426541 A CN 202211426541A CN 115693775 A CN115693775 A CN 115693775A
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Abstract
The invention provides a new energy access-based extensible compatible power grid system. The compatible power grid system based on new energy access extensible comprises: the system comprises a main power grid, a control module, an electric power storage module, a power supply module and a photovoltaic module; the main power grid is used for power grid transmission of electric energy; the control module comprises a central processing unit, circuit detection, access isolation and circuit protection, and the central processing unit carries out safety detection on the voltage of the main power grid through the circuit detection. According to the new energy access-based extensible compatible power grid system, the switching between new energy power generation and power utilization is added in a manner that a main power grid is accessed with new energy, the photovoltaic module can be extended according to requirements, after the new energy power generation and power utilization is extended, the power supply module can be directly powered by the main power grid and can be switched into the power storage module for power supply, the pressure of the main power grid is reduced, the functions of conventional and quick charging of the alternating current-direct current new energy charging pile are compatible, and the compatibility and safety of the power grid system are enhanced.
Description
Technical Field
The invention relates to the technical field of new energy, in particular to a new energy access-based extensible compatible power grid system.
Background
With the continuous development of new energy technology, the new energy can directly reduce carbon emission and reduce the environmental pollution degree, and the new energy technology can save energy and protect environment, fully utilizes natural resources, directly reduces the consumption of fuel oil by adding the new energy, and gets rid of the limitation of the fuel oil.
When a new energy technology is developed, management and operation and maintenance of power supply safety need to be considered, the new energy power supply is gradually changed into photovoltaic power supply from a traditional power grid power supply system, but the electric energy of the photovoltaic power supply is prior, and the requirement of the new energy power supply cannot be met.
Therefore, when new forms of energy storage power supply, unnecessary electric quantity then can be wasted, and the demand that the energy supply was used can't be satisfied to the electric energy of actual storage, inserts the output electric energy of new forms of energy in the electric wire netting system, can effectual reduction long-range transmission power's consumption, make full use of photovoltaic electric energy, how to realize new forms of energy safety and stability's access electric wire netting system and remain further research and development.
Therefore, it is necessary to provide a compatible power grid system based on new energy access scalability to solve the above technical problems.
Disclosure of Invention
The invention provides a new energy access-based extensible compatible power grid system, and solves the problem that how to realize the safe and stable access of new energy to a power grid system needs to be further developed.
In order to solve the technical problem, the new energy access-based extensible compatible power grid system provided by the invention comprises:
the system comprises a main power grid, a control module, an electric power storage module, a power supply module and a photovoltaic module;
the main power grid is used for power grid transmission of electric energy;
the control module comprises a central processing unit, a circuit detection module, an access isolation module and a circuit protection module, wherein the central processing unit is used for carrying out safety detection on the voltage of the main power grid through the circuit detection and accessing the new energy electric energy of the photovoltaic module into the main power grid, the access isolation module is used for accessing the photovoltaic module into the main power grid to provide an isolation function, multiple groups of new energy can be expanded according to requirements to be used for accessing the main power grid, and the circuit protection module is used for protecting a circuit and providing an alarm function;
the electric power storage module is used for storing electric power generated by the photovoltaic module and supplying power to the terminal after the electric power storage;
the power supply module comprises a power conversion unit, a bidirectional inversion unit and a power supply port, wherein the power conversion unit is used for converting power in a circuit, and the bidirectional inversion unit is used for switching alternating current and direct current and provides power switching and alternating current and direct current switching support for the power supply port.
Preferably, the compatible grid system capable of being accessed and expanded based on new energy further comprises an energy storage module, and the energy storage module converts redundant electric energy of the main grid into potential energy for storage.
Preferably, the control module further comprises a temperature detection unit and a temperature control unit, the temperature detection unit is used for detecting the temperature state in the power supply module and controlling the temperature control unit to operate according to the detected temperature state, the power supply module further comprises a heat dissipation unit, the output end of the temperature control unit is electrically connected with the control end of the heat dissipation unit, the temperature control unit controls the heat dissipation unit to be started, and the environment temperature of the power supply module is maintained to be in a safe state.
Preferably, the power supply port comprises port detection, mode selection and mode switching, an output end of the port detection is electrically connected with an input end of the mode selection, an output end of the mode selection is electrically connected with an input end of the mode switching, and the port detection is used for detecting the type and the charging mode of the charging plug, so that the mode selection and the mode switching are facilitated.
Preferably, the power supply port further includes a central control screen and a delayed automatic selection, the central control screen is used for displaying information after the port detection, the central control screen is used for providing an operable touch screen for the mode selection, the central control screen is used for controlling the mode switching operation, and the delayed automatic selection provides a function of automatically selecting a charging mode when no manual selection is made.
Preferably, the power supply port further comprises a vehicle detector, the vehicle detector is used for detecting vehicle information, and the central control screen automatically selects a charging mode through mode switching according to information loaded in the vehicle.
Preferably, when the compatible grid system based on new energy access extensible works, a base station photovoltaic device needs to be erected, and the base station photovoltaic device includes:
a photovoltaic panel;
fill electric pile, fill electric pile erect install in the below of photovoltaic board, it is provided with the through-hole to fill on the electric pile, be equipped with the USB interface that charges in the through-hole.
Preferably, the leasing box adopts a charging management mode to authenticate and charge the identity of the user using the mobile power bank.
Preferably, the through-hole is for running through the structure, fill electric pile internal suspension and be equipped with the lease case, be provided with the interface on the lease case, the removal treasured that charges has been inserted to the interface ann.
Preferably, the through-hole is provided with five groups, the interface corresponds the through-hole sets up five groups, the through-hole with the interface one-to-one, it is provided with three groups at least to remove the treasured that charges.
Compared with the related art, the new energy access-based extensible compatible power grid system provided by the invention has the following beneficial effects:
the invention provides a new energy access-based extensible compatible power grid system, switching between new energy power generation and power utilization is added in a mode that a main power grid is accessed with new energy, a photovoltaic module can be extended according to requirements, after the new energy power generation and power utilization are extended, a power supply module can be directly supplied with power through the main power grid and can be switched into a power storage module for supplying power, the pressure of the main power grid is reduced, the functions of conventional and quick charging of an alternating-current and direct-current new energy charging pile are compatible, and the compatibility and safety of the power grid system are enhanced.
Drawings
Fig. 1 is a system block diagram of a new energy access-based extensible compatible power grid system provided by the present invention;
FIG. 2 is a system block diagram of the control module shown in FIG. 1;
FIG. 3 is a system block diagram of the power module shown in FIG. 1;
FIG. 4 is a system block diagram of one embodiment of the power port shown in FIG. 3;
FIG. 5 is a system block diagram of another embodiment of the power port shown in FIG. 3;
fig. 6 is a schematic structural diagram of a base station photovoltaic device used in a compatible grid system based on new energy access scalability provided by the present invention;
fig. 7 is a cross-sectional view of the charging post of fig. 6;
fig. 8 is a schematic structural diagram of the rental status of the mobile power bank shown in fig. 7;
fig. 9 is a schematic structural diagram of the return state of the mobile power bank shown in fig. 7.
Reference numbers in the figures:
1. a photovoltaic panel;
2. a charging pile 201 and a movable power supply port;
3. a telescoping member;
4. a leasing box 401, a contraction hole 402 and a butt joint port;
5. moving the charger baby;
6. and a monitoring device.
Detailed Description
The invention is further described below with reference to the drawings and the embodiments.
An embodiment of the invention provides a new energy access-based extensible compatible power grid system.
Referring to fig. 1, fig. 2 and fig. 3 in combination, the compatible power grid system based on new energy access scalability includes:
a main grid 10, a control module 20, an electricity storage module 30, a power supply module 40 and a photovoltaic module 50;
the main power grid 10 is used for power grid transmission of electric energy;
the control module 20 comprises a central processing unit 21, a circuit detector 22, an access isolator 23 and a circuit protector 24, the central processing unit 21 performs safety detection on the voltage of the main power grid 10 through the circuit detector 22, and accesses the electric energy of the new energy of the photovoltaic module 50 into the main power grid 10, the access isolator 23 is used for the photovoltaic module 50 to access the main power grid 10 to provide an isolation function, multiple groups of new energy can be expanded according to requirements to be accessed into the main power grid 10, and the circuit protector 24 is used for protecting a circuit and providing an alarm function;
the electric storage module 30 is used for storing electricity generated by the photovoltaic module 50 and supplying electricity to the terminal 60;
the power supply module 40 includes a power conversion unit 41, a bidirectional inverter unit 42, and a power supply port 43, where the power conversion unit 41 is used for converting power in a circuit, and the bidirectional inverter unit 42 is used for switching between ac and dc, and provides power switching and support for ac and dc switching for the power supply port 43.
The control module 20 is configured to detect the electric quantity of the electric storage module 30, after the electric quantity is full, the control module 20 controls the electric storage module 30 to stop charging, the photovoltaic module 50 is connected to the main power grid 10 after generating electricity, and the photovoltaic module 50 directly supplies power to a destination, so that line loss of remote power supply is reduced, and pressure of a power grid system is reduced.
Through the mode that main electric network 10 inserts the new forms of energy, increase the switching of new forms of energy electricity generation and power consumption, photovoltaic module 50 can expand according to the demand, and after the extension, power module 40 can be switched into electric power storage module 30 through the direct power supply of main electric network 10 and supply power, reduces the pressure of main electric network 10, and compatible alternating current-direct current new forms of energy fill electric pile conventionality, quick charge's function, reinforcing electric network system's compatibility and security.
When the main grid 10 is in the peak of electricity utilization, the electricity storage modules 30 can be turned on, and the mode of supplying electricity to the electricity storage modules 30 is switched, so that the pressure of the main grid 10 in the peak of electricity utilization is reduced, and new energy is fully utilized.
Referring to fig. 1 again, the new energy access based scalable compatible grid system further includes an energy storage module 70, and the energy storage module 70 converts the redundant electric energy of the main grid 10 into potential energy for storage.
The energy storage module 70 adopts the existing pumped storage mode, and when the energy storage module needs to be used, the power gap is supplemented by potential energy power generation.
Referring to fig. 2 again, the control module 20 further includes a temperature detection unit 25 and a temperature control unit 26, the temperature detection unit 25 is configured to detect a temperature state in the power supply module 40, and control the temperature control unit 26 to operate according to the detected temperature state, the power supply module 40 further includes a heat dissipation unit 44, an output end of the temperature control unit 26 is electrically connected to a control end of the heat dissipation unit 44, and the temperature control unit 26 controls the heat dissipation unit 44 to start up, so as to maintain an environment temperature at which the power supply module 40 operates in a safe state.
The power supply module 40 is used for providing a temperature detection function, so that the power supply module 40 can maintain safe and stable operation.
The heat dissipation unit 44 is air cooling equipment, a power supply is connected in use, when the temperature detected by the temperature detection unit 25 is higher than or equal to 40 ℃, the central processor 21 controls the heat dissipation unit 44 to start through the temperature control unit 26, the rotating speed of the air cooling equipment is increased, the heat dissipation efficiency is improved, and the temperature in the environment is reduced.
Referring to fig. 4, the power supply port 43 includes a port detection 431, a mode selection 432, and a mode switch 433, an output end of the port detection 431 is electrically connected to an input end of the mode selection 432, an output end of the mode selection 432 is electrically connected to an input end of the mode switch 433, and the port detection 431 is used for detecting a type of a charging plug and a charging mode, so as to facilitate selection and switching of the modes.
A selectable charging mode of the charging head is detected by a port detection 431, the charging mode is selected by a mode selection 432, and a mode switch 433 is automatically switched to a desired charging mode after selection.
The selectable charging modes of the charging head can be any one or two of the following modes:
a fast charge mode and a normal charge mode.
When the charging head is inserted and only one charging mode is detected, the charging mode is automatically selected;
when the charging head is inserted and two charging modes are detected, the charging mode needs to be manually selected.
Referring to fig. 5, the power supply port 43 further includes a central control panel 434 and a delayed automatic selection 435, the central control panel 434 is used for displaying information after the port detection 431, the central control panel 434 is used for providing an operable touch screen for the mode selection 432, the central control panel 434 is used for controlling the operation of the mode switch 433, and the delayed automatic selection 435 provides a function of automatically selecting a charging mode when no manual selection is made.
The central control screen 434 facilitates display of charging status and information, a touch screen is used, manual operation and manual selection are facilitated, the delayed automatic selection 435 facilitates automatic selection of a charging mode without any manual selection, and the automatic charging mode is a normal charging speed.
When the fast charging mode is required, the selection or switching can be performed through the center control panel 434.
Referring to fig. 5 again, the power supply port 43 further includes a vehicle detection 436, the vehicle detection 436 is used for detecting vehicle information, and the central control panel 434 automatically selects a charging mode through the mode switch 433 according to the information loaded by the vehicle.
Vehicle information is conveniently recorded in a power grid system through the central control screen 434 and the vehicle detection 436, the selection mode of the delay automatic selection 435 is set in advance, the vehicle detection 436 automatically identifies the vehicle information in the charging mode, and the delay automatic selection 435 automatically switches the charging mode through the mode switching 433 according to the preset selection mode of the vehicle.
Referring to fig. 6, when the new energy access-based scalable compatible power grid system works, base station photovoltaic equipment needs to be erected, where the base station photovoltaic equipment includes:
a photovoltaic panel 1;
fill electric pile 2, fill electric pile 2 erect install in the below of photovoltaic board 1, it is provided with through-hole 201 on 2 to fill electric pile, be equipped with the USB interface that charges in the through-hole 201.
The central control screen 434 is mounted on the charging pile 2 in an embedded manner.
Through filling electric pile 2 and providing USB power supply interface for mobile device, adopt current USB power supply agreement, provide outdoor convenient for people's service, make full use of fills electric pile 2's use, can be used for promptly charging the use when outdoor trip.
The leasing box 4 adopts a charging management mode to authenticate and charge the identity of the user using the mobile charging treasure 5.
The charging accuracy is ensured by adopting the charging rule of the mobile charger in the existing market;
and needs real-name authentication to be normally used.
Referring to fig. 6 and 7, the through hole 201 is a through structure, a rental box 4 is suspended in the charging pile 2, a docking port 402 is arranged on the rental box 4, and a mobile power bank 5 is inserted into the docking port 402.
The user can lease mobile power bank 5 through-hole 201, makes things convenient for the portable walking and charges, and what charge and can look for after the completion can be close to fills electric pile 2 and returns.
The existing charger baby rental box protocol is adopted by the rental protocol of the rental box 4, so that convenient rental service is provided for the user.
In the present embodiment, a through hole 201 is provided with a docking interface 402, which only allows a mobile power bank 5 to be stored or removed, and only when the mobile power bank 5 is rented and removed, the mobile power bank can be returned to the empty through hole 201.
In an optional mode of this embodiment, the through hole 201 is provided with five groups, the interface 402 corresponds to the through hole 201, five groups are provided, the through hole 201 corresponds to the interface 402 one to one, and the mobile power bank 5 is provided with at least three groups.
By being equipped with three groups of portable charging pads 5 capable of being leased, the portable charging pads are inserted into the docking ports 402, and two groups of docking ports 402 are vacant, thereby providing return support for charging pads leased from other regions.
In an optional implementation manner of this embodiment, please refer to fig. 7, fig. 8, and fig. 9 in combination, the through hole 201 is provided with one group, the docking port 402 is provided with five groups, the mobile power bank 5 is provided with three, the rental box 4 is movably installed in the charging pile 2, the base station photovoltaic device further includes a telescopic piece 3, one end of the telescopic piece 3 is fixedly connected to the charging pile 2, the other end of the telescopic piece is fixedly connected to the rental box 4, a contraction hole 401 is formed in the rental box 4, when the telescopic piece 3 contracts, the rental box 4 contracts in the contraction hole 401, and the rental box 4 drives the docking port 402 to horizontally slide.
Conveniently drive lease case 4 through extensible member 3 and remove to a through-hole 201 corresponds a plurality of interfaces 402, is convenient for deposit or tak eoff precious management that charges at every turn, and the point of getting that needs to drive lease case 4 and remove according to extensible member 3 when renting or depositing is deposited and is deposited or tak eoff removal precious 5 that charges, avoids the plug in disorder, the barrier propterty of reinforcing equipment, the life of extension equipment.
Referring to fig. 8 and 9, the rental box 4 needs to use the following working principle:
a1, when a mobile charger 5 needs to be rented, preferentially identifying a rental box 4 through code scanning, performing real-name authentication through guidance on a mobile phone after identification, then receiving the content of a related rental protocol, and selecting rental after real-name login;
a2, the telescopic piece 3 controls the rental box 4 to move, the mobile charger baby 5 filled with electricity moves along with the movement, the butt joint port 402 corresponding to the mobile charger baby 5 filled with electricity is aligned with the through hole 201, the telescopic piece 3 is closed, the mobile charger baby 5 is taken out, the charging is started after the mobile charger baby 5 is taken out, and the telescopic piece 3 drives the rental box 4 to reset;
a3, when the mobile charger baby 5 needs to be returned, the rental box 4 is identified by scanning codes, returning is selected after real-name login, if a storable space exists in the current rental box 4, the telescopic piece 3 is started, the rental box 4 drives the empty docking port 402 to align with the through hole 201, and the mobile charger baby 5 needing to be returned is inserted into the current docking port 402;
and A4, returning the mobile charging treasure 5 and inserting the mobile charging treasure into the butt joint port 402, stopping for 2-5 s, driving the leasing box 4 to reset by the telescopic piece 3, and starting to supplement electric energy for the returned mobile charging treasure 5 to charge for contact.
The working principle of the extensible compatible power grid system based on new energy access provided by the invention is as follows:
b1, the photovoltaic module 50 utilizes photovoltaic power generation to supply power to the electric storage module 30 and provide support for energy storage of new energy;
b2, after the electric storage module 30 is fully charged, the photovoltaic module 50 accesses the generated electric energy into the main power grid 10 through the control module 20;
b3, the power supply module 40 adopts a power supply mode selected by a dual mode, the main power grid 10 is adopted for power supply in a quick charging mode, and the power storage module 30 is preferably used for power supply in normal charging, so that the pressure of the main power grid 10 is reduced, and the compatibility is enhanced;
and B4, under the condition that the new energy is sufficient, the electric energy connected to the main power grid 10 is stored through the energy storage module 70, so that the power supply requirement can be met in the period of power shortage.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A compatible power grid system based on new energy access extensible is characterized by comprising:
the system comprises a main power grid, a control module, an electric power storage module, a power supply module and a photovoltaic module;
the main power grid is used for power grid transmission of electric energy;
the control module comprises a central processing unit, a circuit detection unit, an access isolation unit and a circuit protection unit, wherein the central processing unit is used for carrying out safety detection on the voltage of the main power grid through the circuit detection unit and accessing the new energy electric energy of the photovoltaic module into the main power grid, the access isolation unit is used for accessing the photovoltaic module into the main power grid to provide an isolation function, a plurality of groups of new energy can be expanded according to requirements to access the main power grid, and the circuit protection unit is used for protecting the circuit and providing an alarm function;
the electric power storage module is used for storing electric power generated by the photovoltaic module and supplying power to the terminal after the electric power storage;
the power supply module comprises a power conversion unit, a bidirectional inversion unit and a power supply port, wherein the power conversion unit is used for converting power in a circuit, and the bidirectional inversion unit is used for switching alternating current and direct current and provides power switching and alternating current and direct current switching support for the power supply port.
2. The new energy access based expandable compatible grid system according to claim 1, further comprising an energy storage module, wherein the energy storage module converts the redundant electric energy of the main grid into potential energy for storage.
3. The new energy access-based extensible and compatible power grid system according to claim 2, wherein the control module further comprises a temperature detection and temperature control unit, the temperature detection is used for detecting a temperature state in the power supply module, and controlling the temperature control unit to operate according to the detected temperature state, the power supply module further comprises a heat dissipation unit, an output end of the temperature control unit is electrically connected with a control end of the heat dissipation unit, and the temperature control unit controls the heat dissipation unit to start up to maintain an environment temperature for operating the power supply module in a safe state.
4. The new energy access based scalable and compatible grid system according to claim 3, wherein the power supply port comprises a port detection, a mode selection and a mode switch, an output of the port detection is electrically connected to an input of the mode selection, an output of the mode selection is electrically connected to an input of the mode switch, and the port detection is used for detecting a type and a charging mode of a charging plug, so as to facilitate selection and switching of the mode.
5. The new energy access based scalable and compatible grid system according to claim 4, wherein the power supply port further comprises a central control screen and a time delay automatic selection, the central control screen is used for displaying information after the port detection, the central control screen is used for providing an operable touch screen for the mode selection, the central control screen is used for controlling the mode switching operation, and the time delay automatic selection provides a function of automatically selecting the charging mode when no manual selection is made.
6. The new energy access-based scalable compatible power grid system according to claim 5, wherein the power supply port further comprises a vehicle detector for detecting vehicle information, and the central control screen automatically selects a charging mode through the mode switching according to information loaded in the vehicle.
7. The new energy access based scalable compatible power grid system according to claim 6, wherein a base station photovoltaic device is required to be erected when the new energy access based scalable compatible power grid system works, and the base station photovoltaic device comprises:
a photovoltaic panel;
fill electric pile, fill electric pile erect install in the below of photovoltaic board, it is provided with the through-hole on the electric pile to fill, be equipped with the USB interface that charges in the through-hole.
8. The new energy access-based scalable and compatible power grid system according to claim 7, wherein the rental box adopts a charge management mode to authenticate and charge the identity of the user using the mobile power bank.
9. The new energy access-based extensible compatible power grid system according to claim 7, wherein the through hole is a through structure, a rental box is suspended in the charging pile, a docking port is formed in the rental box, and a mobile charging treasure is inserted into the docking port.
10. The new energy access-based scalable compatible power grid system according to claim 9, wherein five sets of through holes are provided, five sets of docking ports are provided corresponding to the through holes, the through holes correspond to the docking ports in a one-to-one manner, and at least three sets of mobile power banks are provided.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211426541.1A CN115693775A (en) | 2022-11-15 | 2022-11-15 | Extensible compatible power grid system based on new energy access |
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| CN202211426541.1A CN115693775A (en) | 2022-11-15 | 2022-11-15 | Extensible compatible power grid system based on new energy access |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116278885A (en) * | 2023-03-09 | 2023-06-23 | 深圳市喜悦智慧数据有限公司 | Grid-connected and off-grid photovoltaic energy storage charging pile system and control method thereof |
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2022
- 2022-11-15 CN CN202211426541.1A patent/CN115693775A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116278885A (en) * | 2023-03-09 | 2023-06-23 | 深圳市喜悦智慧数据有限公司 | Grid-connected and off-grid photovoltaic energy storage charging pile system and control method thereof |
| CN116278885B (en) * | 2023-03-09 | 2023-11-07 | 深圳市喜悦智慧数据有限公司 | Grid-connected and off-grid photovoltaic energy storage charging pile system and control method thereof |
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