CN217445069U - Light stores up little electric wire netting energy supply system - Google Patents
Light stores up little electric wire netting energy supply system Download PDFInfo
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- CN217445069U CN217445069U CN202220710938.2U CN202220710938U CN217445069U CN 217445069 U CN217445069 U CN 217445069U CN 202220710938 U CN202220710938 U CN 202220710938U CN 217445069 U CN217445069 U CN 217445069U
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- storage battery
- electrically connected
- photovoltaic
- detection module
- battery pack
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
Abstract
The utility model belongs to the technical field of power system equipment, and relates to a light storage micro-grid energy supply system, which comprises a photovoltaic array and a storage battery pack, wherein the photovoltaic array is electrically connected with an automatic switch through a detection module I, the storage battery pack and the automatic switch are respectively electrically connected with the input end of a double-switch, the output end of the double-switch is electrically connected with a photovoltaic inverter, a photovoltaic inverter output circuit is connected with a detection module II through a filter, the detection module II is connected with a digital signal processor, the digital signal processor is electrically connected with the photovoltaic inverter through a driving circuit, one output end of the photovoltaic array is electrically connected with the storage battery pack through a photovoltaic charging controller, a storage battery pipeline system of the storage battery pack is provided with a remote control system, and the utility model discloses a switching alternation of a power supply, the mutual compensation power supply is realized, and the current voltage and the temperature of the storage battery are monitored on line, so that the storage battery is charged in time, and the stability of the circuit power supply is ensured.
Description
Technical Field
The utility model belongs to the technical field of power system equipment, a little electric wire netting energy supply system is stored up to light is related to.
Background
The current produced by the photovoltaic panel is generally direct current, the current is often converted through a photovoltaic inverter so as to provide electric energy for a household load, the existing photovoltaic power supply system lacks protective measures, the voltage in the circuit is increased along with the increasing of the light irradiated on the photovoltaic panel, when the voltage is greater than the starting voltage of the photovoltaic inverter, the photovoltaic inverter is started, so that the photovoltaic inverter is started, when the light intensity is weak, such as early morning and evening, and rainy days and sunny days, alternate days for a plurality of times in a short time, the voltage in the circuit is blocked near the starting voltage of the photovoltaic inverter, the photovoltaic inverter is frequently started and stopped, the circuit is easy to generate system disorder, the power supply electric energy supply is influenced, in addition, when a storage battery is used as an electric energy supply way, the storage battery cannot be charged in time, the endurance capacity is insufficient, and the electric energy supply is influenced, therefore, a problem that stable and continuous supply of electric energy of a circuit is ensured to be urgently needed to be solved is found by combining the two power supply systems and switching the power supply sources in time so that the power supply paths of the two power supply systems can be mutually compensated circuits.
Disclosure of Invention
To above problem, the utility model aims at providing a combine photovoltaic power supply system and battery energy storage system power supply, in time carry out power supply's switching in turn, make electric energy between them compensate the power supply each other, be convenient for simultaneously control battery charge, discharge, the duration of extension battery, the little electric wire netting energy supply system of light storage of stabilizing circuit.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a little electric wire netting energy supply system is stored up to light, includes photovoltaic array, storage battery, digital signal processor, photovoltaic inverter, photovoltaic array passes through detection module one and automatic switch electric connection, storage battery and automatic switch respectively with the input electric connection of bitch switch, bitch switch output with photovoltaic inverter electric connection, photovoltaic inverter output is connected with the wave filter electricity, be connected with detection module two on the wave filter output circuit, detection module two is connected with digital signal processor, digital signal processor passes through drive circuit and photovoltaic inverter electric connection, an output of photovoltaic array pass through photovoltaic charge controller with storage battery electricity is connected, storage battery pipe-line system of storage battery is equipped with remote control system.
Preferably, the detection module comprises a voltage sensor, and when the voltage sensor senses that the output voltage of the photovoltaic array reaches the starting voltage of the photovoltaic inverter, the automatic switch is communicated with the double-cut switch.
Preferably, the photovoltaic array is electrically connected with the automatic switch through the first photoelectric sensor and the first detection module respectively, when the first detection module detects the output voltage of the photovoltaic array, the first photoelectric sensor senses a certain light intensity irradiation, and the automatic switch and the double-switch are switched on when a preset threshold value is reached.
Preferably, the storage battery pack is provided with a control switch, the control switch is electrically connected with the WIFI module, and the control switch is remotely turned on and off through the WIFI module by using a wireless remote control device, so that the charging and discharging of the storage battery pack are remotely controlled.
Preferably, the output end of the photovoltaic array is connected with the input end of the MPPT controller, the output end of the MPPT controller is connected with the input end of the digital signal processor, the maximum power point of the photovoltaic array is tracked through the MPPT controller, the power generation voltage of the photovoltaic array can be detected in real time, the maximum voltage and current value is tracked, and the system works in the maximum efficiency state.
Preferably, the digital signal processor is connected with a display, and the display is a touch screen with an embedded low-power-consumption CPU as a core, so that the burden of the digital signal processor can be reduced, the digital signal processor can process data in real time, and the communication with other peripheral equipment is facilitated.
Preferably, the display is connected with an alarm instrument, and alarms in time when abnormal conditions of circuit current and voltage occur.
Preferably, the first detection module comprises a voltage sensor, and the second detection module comprises a current sensor and a voltage sensor.
In the utility model, when the first detection module detects the output voltage of the photovoltaic array, the automatic switch and the double-switch are connected when the output voltage reaches the preset threshold value, thereby avoiding the voltage output by the photovoltaic array from being too low, the voltage is blocked near the starting voltage of the photovoltaic inverter, thereby causing the photovoltaic inverter to start and stop frequently, otherwise, the automatic switch and the double-switch are disconnected, a storage battery is used for providing electric energy for a power supply system, after the current is converted and filtered by the photovoltaic inverter, the current and the voltage information of the output circuit are detected by the detection module and are transmitted to a digital signal processor, the digital signal processor carries out digital processing on the obtained current and the voltage information and sends a control signal to a driving circuit, the driving circuit sends the received control signal to the photovoltaic inverter, one output end of the photovoltaic array is electrically connected with the storage battery through a photovoltaic charging controller, the storage battery pipeline system of the storage battery pack is provided with the remote control system, the current, the voltage, the temperature and the energy storage condition of the storage battery pack can be monitored on line through the remote control system, the charging and discharging of the storage battery pack are controlled, the power supply stability of the storage battery pack is guaranteed, the service life of the storage battery is prolonged, potential safety hazards are eliminated to a certain extent, and the maintenance cost such as manpower and material resource time is saved.
Has the beneficial effects that: the utility model discloses combine photovoltaic power supply system and battery energy storage system power supply, in time carry out power supply's switching in turn, make electric energy between them compensate the power supply mutually, online monitoring battery current voltage and temperature guarantee that the battery in time charges, the duration of extension battery guarantees the stability of circuit power supply.
Drawings
The specific structure of the application is given by the following figures and examples:
FIG. 1: the structure of embodiment 1 of the utility model is schematically shown;
FIG. 2: the utility model discloses embodiment 2's structural schematic.
In the figure: 1. the system comprises a photovoltaic array, 2. a storage battery pack, 3. a digital signal processor, 4. a photovoltaic inverter, 5. a detection module I, 6. an automatic switch, 7. a double-switch, 8. a filter, 9. a detection module II, 10. a driving circuit, 11. a photovoltaic charging controller, 12. a storage battery pipeline system, 13. a remote control system, 14. a photoelectric sensor, 15. a display, 16. a control switch, 17. a WIFI module, 18. an MPPT controller and 19. an alarm instrument.
Detailed Description
The following is a detailed description of the present invention for further explanation. The patent protection scope of the present invention is not limited to the above description, and all the equivalent structures or equivalent processes that are used in the specification and the attached drawings are directly or indirectly applied to other related technical fields.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout of the drawings in the specification, such as: the positional relationship of up, down, left, right, etc. is determined in accordance with the layout direction in the drawings of the specification.
Embodiment 1, referring to fig. 1, a light storage microgrid energy supply system comprises a photovoltaic array 1, a storage battery pack 2, a digital signal processor 3, a photovoltaic inverter 4, the photovoltaic array 1 is electrically connected with an automatic switch 6 through a detection module I5, the storage battery pack 2 and the automatic switch 6 are respectively and electrically connected with the input end of a double-cut switch 7, the output end of the double-cut switch 7 is electrically connected with the photovoltaic inverter 4, the output circuit of the photovoltaic inverter 4 is connected with a second detection module 9 through a filter 8, the second detection module 9 is connected with the digital signal processor 3, the digital signal processor 3 is electrically connected with the photovoltaic inverter 4 through the driving circuit 10, one output end of the photovoltaic array 1 is electrically connected with the storage battery pack 2 through a photovoltaic charge controller 11, and a storage battery pipeline system 12 of the storage battery pack 2 is provided with a remote control system 13.
The detection module I5 comprises a voltage sensor, when the output voltage of the voltage sensor sensing photovoltaic array 1 reaches the starting voltage of the photovoltaic inverter 4, the automatic switch 6 is communicated with the double-switch 7, the photovoltaic array 1 is respectively electrically connected with the automatic switch 6 through the photoelectric sensor 14 and the detection module I5, when the detection module I5 detects the output voltage of the photovoltaic array 1, the photoelectric sensor 14 senses certain light intensity to irradiate, and when a preset threshold value is reached, the automatic switch 6 and the double-switch 7 are switched on.
The digital signal processor 3 is connected with the display 15, the display 15 is a touch screen with an embedded low-power CPU as a core, the burden of the digital signal processor 3 can be reduced, the digital signal processor 3 can process data in real time, and communication with other peripheral equipment is facilitated, the first detection module 5 comprises a voltage sensor, and the second detection module 9 comprises a current sensor and a voltage sensor.
In the utility model, when the first detection module 5 detects the output voltage of the photovoltaic array 1 and reaches the preset threshold value, the automatic switch 6 and the double-switch 7 are connected to avoid the situation that the voltage output by the photovoltaic array 1 is too low and the voltage is blocked near the starting voltage of the photovoltaic inverter 4 to cause frequent start and stop of the photovoltaic inverter 4, otherwise, the automatic switch 6 and the double-switch 7 are disconnected to supply electric energy to the power supply system by using the storage battery 2, the current is converted by the photovoltaic inverter 4 and filtered by the filter 8, the current and voltage information of the output circuit are detected by the second detection module 9 and transmitted to the digital signal processor 3, the digital signal processor 3 carries out digital processing on the obtained current and voltage information and sends out a control signal to the driving circuit 10, the driving circuit 10 sends the received control signal to the photovoltaic inverter 4, one output end of the photovoltaic array 1 is electrically connected with the storage battery pack 2 through a photovoltaic charging controller 11, a storage battery pipeline system 12 of the storage battery pack 2 is provided with a remote control system 13, the current, voltage, temperature and energy storage condition of the storage battery pack 2 can be monitored on line through the remote control system 13, charging and discharging of the storage battery pack 2 are controlled, stable power supply of the storage battery pack 2 is guaranteed, the service life of the storage battery is prolonged, potential safety hazards are eliminated to a certain extent, and maintenance cost such as manpower and material resource time is saved.
The foregoing description is by way of example only and is not intended as limiting the embodiments of the present application. All obvious variations and modifications of the present invention are within the scope of the present invention.
Claims (8)
1. An energy supply system of a light storage micro-grid is characterized by comprising a photovoltaic array, a storage battery pack, a digital signal processor and a photovoltaic inverter, the photovoltaic array is electrically connected with the automatic switch through the first detection module, the storage battery pack and the automatic switch are respectively and electrically connected with the input end of the double-switch, the output end of the double-cut switch is electrically connected with the photovoltaic inverter, the output end of the photovoltaic inverter is electrically connected with the filter, the output circuit of the filter is connected with a second detection module which is connected with the digital signal processor, the digital signal processor is electrically connected with the photovoltaic inverter through a driving circuit, one output end of the photovoltaic array is electrically connected with the storage battery pack through a photovoltaic charging controller, and a storage battery pipeline system of the storage battery pack is provided with a remote control system.
2. The light-storing microgrid energy supply system of claim 1, wherein the detection module comprises a voltage sensor.
3. The energy supply system of claim 1, wherein the photovoltaic array is electrically connected to the automatic switch via a first photo sensor and a second photo sensor and a detection module, respectively.
4. A light storage microgrid energy supply system according to any one of claims 1 to 3, characterized in that a control switch is arranged on the storage battery pack, and the control switch is electrically connected with the WIFI module.
5. The energy supply system of claim 4, wherein the output of the photovoltaic array is connected to an input of an MPPT controller, and an output of the MPPT controller is connected to an input of a digital signal processor.
6. The energy supply system of claim 1, wherein the digital signal processor is connected to a display, and the display is an embedded low power CPU-centric touch screen.
7. The system as claimed in claim 6, wherein the display is connected to an alarm.
8. The light-storing microgrid energy supply system of claim 1, wherein the first detection module comprises a voltage sensor, and the second detection module comprises a current sensor and a voltage sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220710938.2U CN217445069U (en) | 2022-03-30 | 2022-03-30 | Light stores up little electric wire netting energy supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220710938.2U CN217445069U (en) | 2022-03-30 | 2022-03-30 | Light stores up little electric wire netting energy supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217445069U true CN217445069U (en) | 2022-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220710938.2U Active CN217445069U (en) | 2022-03-30 | 2022-03-30 | Light stores up little electric wire netting energy supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217445069U (en) |
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2022
- 2022-03-30 CN CN202220710938.2U patent/CN217445069U/en active Active
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