CN217445033U - Control system for reducing energy consumption of photovoltaic inverter - Google Patents
Control system for reducing energy consumption of photovoltaic inverter Download PDFInfo
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- CN217445033U CN217445033U CN202220642202.6U CN202220642202U CN217445033U CN 217445033 U CN217445033 U CN 217445033U CN 202220642202 U CN202220642202 U CN 202220642202U CN 217445033 U CN217445033 U CN 217445033U
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- photovoltaic inverter
- photovoltaic
- energy consumption
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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Abstract
The utility model belongs to the technical field of power system equipment, and relates to a control system for reducing energy consumption of a photovoltaic inverter, which comprises a photovoltaic plate, wherein the photovoltaic plate is electrically connected with an automatic switch through a temperature sensor and a photoelectric sensor respectively, the output end of the automatic switch is electrically connected with the photovoltaic inverter, the output end of the photovoltaic inverter is connected with a step-up transformer, the step-up transformer is electrically connected with a cooling fan through a temperature control switch, the detection end of the temperature control switch is contacted with the surface of the photovoltaic inverter, the air outlet of the cooling fan is just opposite to the photovoltaic inverter, a current sensor is connected on the output circuit of the photovoltaic inverter, the current sensor is electrically connected with a digital signal processor, and the digital signal processor is electrically connected with the photovoltaic inverter through a driving circuit, the utility model can meet the cooling requirement, the energy consumption is saved, the current of the photovoltaic system is monitored in real time, the current is prevented from being too high or too low, and the working state is stabilized.
Description
Technical Field
The utility model belongs to the technical field of electric power system equipment, a reduce control system of photovoltaic inverter energy consumption is related to.
Background
Solar photovoltaic power generation belongs to clean renewable energy, the development and the wide application photovoltaic power generation technique have important effect to alleviating the shortage of conventional energy and reducing environmental pollution, the more and complicated and circuit structure of traditional photovoltaic inverter's hardware, thereby make photovoltaic inverter work efficiency low and operating condition unstable, in addition, along with the requirement of energy-conserving economize on electricity, the requirement to photovoltaic inverter control system is more and more high in the market, the requirement to photovoltaic inverter's standby power consumption is very strict, in the prior art, adopt radiator fan to dispel the heat in the inverter usually, radiator fan is in running state all the time, cause the electric energy extravagant.
Disclosure of Invention
To above problem, the utility model aims at providing a can satisfy the heat dissipation requirement and practice thrift the energy consumption, can carry out real time monitoring to photovoltaic system's electric current simultaneously, the prevention with in time handle the electric current too high or cross the phenomenon low excessively, steady state to improve photovoltaic inverter work efficiency's reduction photovoltaic inverter energy consumption's control system.
The purpose of the utility model is realized through the following technical scheme: a control system for reducing energy consumption of a photovoltaic inverter comprises a photovoltaic panel, a temperature sensor, a photoelectric sensor, a current monitoring system and the photovoltaic inverter, wherein the photovoltaic panel is electrically connected with an automatic switch through the temperature sensor and the photoelectric sensor respectively, the output end of the automatic switch is electrically connected with the photovoltaic inverter, the output end of the photovoltaic inverter is connected with a step-up transformer, one output end of the step-up transformer is electrically connected with a heat dissipation fan through a temperature control switch, the detection end of the temperature control switch is contacted with the surface of the photovoltaic inverter, the air outlet of the heat dissipation fan is just opposite to the photovoltaic inverter, the current monitoring system comprises a current sensor, a digital signal processor and a display, the output circuit of the photovoltaic inverter is connected with the current sensor, and the current sensor is electrically connected with the digital signal processor, the output end of the digital signal processor is connected with the input end of the display, and the digital signal processor is electrically connected with the photovoltaic inverter through the driving circuit.
Preferably, the power supply of the photovoltaic inverter further comprises a storage battery, the storage battery and the automatic switch are respectively connected with the photovoltaic inverter through a double-cut switch, the electric energy power supply of the photovoltaic inverter can be switched through the double-cut switch as required, and direct current is converted into alternating current through the photovoltaic inverter, so that power supply is stable and continuous.
Preferably, the output end of the photovoltaic panel 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, and the maximum power point of the photovoltaic panel is tracked by the MPPT controller, so that the power generation voltage of the photovoltaic panel can be detected in real time, the maximum voltage and current values can be tracked, and the system can work in the maximum efficiency state.
Preferably, the photovoltaic panel is connected with the storage battery pack through a photovoltaic charging controller, the photovoltaic panel can convert solar energy into electric energy according to the energy storage requirement of the storage battery pack and transmit the electric energy to the storage battery pack for energy storage, the storage battery pack is convenient to charge and discharge, and the endurance time of the storage battery is prolonged.
Preferably, the storage battery pack is connected with a control switch, the control switch is connected with a timing module, and the timing module controls the timing input and output currents of the storage battery pack through the control switch, so that the system is safe and controllable in power supply.
Preferably, 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 display is convenient to communicate with other peripheral equipment.
Preferably, a voltage sensor is connected to an output circuit of the photovoltaic inverter, and an output end of the voltage sensor is connected to the digital signal processor.
Preferably, the photovoltaic panel is a photovoltaic array formed by connecting a plurality of solar panels in series.
In the utility model, when the temperature sensor senses high temperature and the photoelectric sensor senses certain light intensity irradiation, the circuit is switched on through the preset automatic switch, the repeated alternation of cloudy and sunny days in a short time is avoided, the photovoltaic power supply is frequently switched, the circuit is disturbed, the step-up transformer is electrically connected with the heat dissipation fan through the temperature control switch, the opening and the closing of the heat dissipation fan are controlled through the preset temperature control switch temperature, the detection end of the temperature control switch is contacted with the surface of the photovoltaic inverter, the air outlet of the heat dissipation fan is over against the photovoltaic inverter, when the temperature of the photovoltaic inverter rises and reaches the preset temperature, the temperature control switch is switched on, the heat dissipation fan blows and dissipates heat to the photovoltaic inverter, the temperature of the photovoltaic inverter is lower in standby or natural wind, when the preset temperature is not reached, the temperature control switch is switched off, the heat dissipation fan is switched off, the electric energy is saved, the current change of the output circuit of the photovoltaic inverter is induced through the current sensor, the information is transmitted to the Digital Signal Processor (DSP), the Digital Signal Processor (DSP) carries out digital processing on the current change information transmitted back by the current sensor and finally directly displays the current change information on the display, the driving circuit is used for receiving the control signal transmitted by the digital signal processor and transmitting the control signal to the photovoltaic inverter, the working efficiency of the inverter is effectively improved, and when the current is too large or too small, the problem can be timely processed through the information data on the display by a worker.
Has the advantages that: the utility model discloses can satisfy the heat dissipation requirement, practice thrift the energy consumption, can carry out real time monitoring to photovoltaic system's electric current simultaneously, the prevention with in time handle the electric current too high or cross the phenomenon low excessively, steady operating condition to improve photovoltaic inverter work efficiency.
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 photovoltaic panel, 2, a temperature sensor, 3, a photoelectric sensor, 4, a current monitoring system, 5, a photovoltaic inverter, 6, an automatic switch, 7, a step-up transformer, 8, a temperature control switch, 9, a heat dissipation fan, 10, a driving circuit, 11, an MPPT controller, 12, a storage battery pack, 13, a double-switch, 14, a photovoltaic charging controller, 15, a voltage sensor, 41, a current sensor, 42, a digital signal processor, 43, a display, 121, a control switch, 122 and a timing module.
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 control system for reducing energy consumption of a photovoltaic inverter includes a photovoltaic panel 1, a temperature sensor 2, a photoelectric sensor 3, a current monitoring system 4, and a photovoltaic inverter 5, where the photovoltaic panel 1 is electrically connected to an automatic switch 6 through the temperature sensor 2 and the photoelectric sensor 3, an output end of the automatic switch 6 is electrically connected to the photovoltaic inverter 5, an output end of the photovoltaic inverter 5 is connected to a step-up transformer 7, an output end of the step-up transformer 7 is electrically connected to a cooling fan 9 through a temperature control switch 8, a detection end of the temperature control switch 8 is in contact with a surface of the photovoltaic inverter 5, an air outlet of the cooling fan 9 faces the photovoltaic inverter 5, the current monitoring system 4 includes a current sensor 41, a digital signal processor 42, and a display 43, the output circuit of the photovoltaic inverter 5 is connected to the current sensor 41, the current sensor 41 is electrically connected to the digital signal processor 42, an output end of the digital signal processor 42 is connected to an input end of the display 43, and the digital signal processor 42 is electrically connected to the photovoltaic inverter 5 through the driving circuit 10.
The output end of the photovoltaic panel 1 is connected with the input end of the MPPT controller 11, the output end of the MPPT controller 11 is connected with the input end of the digital signal processor 42, the maximum power point of the photovoltaic panel 1 is tracked through the MPPT controller 11, the power generation voltage of the photovoltaic panel 1 can be detected in real time, the maximum voltage current value is tracked, and the system works in the maximum efficiency state.
The display 43 is a touch screen with an embedded low-power-consumption CPU as a core, can reduce the burden of the digital signal processor 42, enables the digital signal processor 42 to process data in real time, and is convenient for communication with other peripheral equipment, and the photovoltaic panel 1 is a photovoltaic array formed by connecting a plurality of solar panels in series.
In the utility model, when the temperature sensor 2 senses a high temperature and the photoelectric sensor 3 senses a certain light intensity irradiation, the circuit is switched on through the preset automatic switch 6, the repeated alternation of cloudy and sunny days in a short time is avoided, the photovoltaic power supply is frequently switched, the system disorder of the circuit is caused, the step-up transformer 7 is electrically connected with the cooling fan 9 through the temperature control switch 8, the opening and closing of the cooling fan 9 are controlled through the preset temperature control switch 8, the detection end of the temperature control switch 8 is contacted with the surface of the photovoltaic inverter 5, the air outlet of the cooling fan 9 is over against the photovoltaic inverter 5, when the temperature of the photovoltaic inverter 5 rises and reaches the preset temperature, the temperature control switch 8 is switched on, the cooling fan 9 blows and cools the photovoltaic inverter 5, the current sensor 41 senses the current change of the output circuit of the photovoltaic inverter 5, and the information is transmitted to a Digital Signal Processor (DSP) 42, the digital signal processor 42 (DSP) carries out digital processing on the current change information transmitted back by the current sensor 41, and finally the current change information is directly displayed on a display 43, the driving circuit 10 is used for receiving a control signal transmitted from the digital signal processor 42 and transmitting the control signal to the photovoltaic inverter 5, the working efficiency of the inverter is effectively improved, and when the current is too large or too small, a worker can timely process the problem through the information data on the display.
Embodiment 2, referring to fig. 2, as a further optimization of embodiment 1, the power supply of the photovoltaic inverter 5 further includes a storage battery 12, the storage battery 12 and the automatic switch 6 are respectively connected to the photovoltaic inverter 5 through a double-cut switch 13, the electric power supply of the photovoltaic inverter 5 can be switched through the double-cut switch 13 as required, and the photovoltaic inverter 5 converts direct current into alternating current, so that power supply is stable and continuous.
The photovoltaic panel 1 is connected with the storage battery pack 12 through a photovoltaic charging controller 14, the photovoltaic panel 1 can convert solar energy into electric energy according to the energy storage requirement of the storage battery pack 12 and transmit the electric energy to the storage battery pack 12 for energy storage, the storage battery pack 12 is convenient to charge and discharge, the endurance time of the storage battery pack 12 is prolonged, the storage battery pack 12 is connected with a control switch 121, the control switch 121 is connected with a timing module 122, the timing module 122 controls the timing input and output current of the storage battery pack 12 through the control switch 121, the power supply of the system is safe and controllable, a voltage sensor 15 is connected onto an output circuit of the photovoltaic inverter 5, and the output end of the voltage sensor 15 is connected with a digital signal processor 42.
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 (7)
1. A control system for reducing energy consumption of a photovoltaic inverter is characterized by comprising a photovoltaic panel, a temperature sensor, a photoelectric sensor, a current monitoring system and the photovoltaic inverter, wherein the photovoltaic panel is respectively and electrically connected with an automatic switch through the temperature sensor and the photoelectric sensor, the output end of the automatic switch is electrically connected with the photovoltaic inverter, the output end of the photovoltaic inverter is connected with a step-up transformer, one output end of the step-up transformer is electrically connected with a heat dissipation fan through a temperature control switch, the detection end of the temperature control switch is contacted with the surface of the photovoltaic inverter, the air outlet of the heat dissipation fan is just opposite to the photovoltaic inverter, the current monitoring system comprises a current sensor, a digital signal processor and a display, the output circuit of the photovoltaic inverter is connected with the current sensor, and the current sensor is electrically connected with the digital signal processor, the output end of the digital signal processor is connected with the input end of the display, and the digital signal processor is electrically connected with the photovoltaic inverter through the driving circuit.
2. The control system for reducing the energy consumption of the photovoltaic inverter according to claim 1, wherein the power supply of the photovoltaic inverter further comprises a storage battery, and the storage battery and the automatic switch are respectively connected with the photovoltaic inverter through a double-cut switch.
3. A control system for reducing energy consumption of a pv inverter as claimed in claim 1 or 2, wherein the output of the pv panel is connected to the MPPT controller input, and the output of the MPPT controller is connected to the input of the digital signal processor.
4. The control system for reducing the energy consumption of the photovoltaic inverter according to claim 2, wherein the photovoltaic panel is connected with the storage battery pack through a photovoltaic charge controller.
5. The control system for reducing the energy consumption of the photovoltaic inverter as claimed in claim 4, wherein a control switch is connected to the storage battery pack, and the control switch is connected to the timing module.
6. The control system for reducing energy consumption of a photovoltaic inverter as claimed in claim 1, wherein the display is an embedded low power CPU-centric touch screen.
7. The control system for reducing the energy consumption of the photovoltaic inverter according to claim 1, wherein a voltage sensor is connected to an output circuit of the photovoltaic inverter, and an output end of the voltage sensor is connected to the digital signal processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220642202.6U CN217445033U (en) | 2022-03-24 | 2022-03-24 | Control system for reducing energy consumption of photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220642202.6U CN217445033U (en) | 2022-03-24 | 2022-03-24 | Control system for reducing energy consumption of photovoltaic inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217445033U true CN217445033U (en) | 2022-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220642202.6U Active CN217445033U (en) | 2022-03-24 | 2022-03-24 | Control system for reducing energy consumption of photovoltaic inverter |
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| Country | Link |
|---|---|
| CN (1) | CN217445033U (en) |
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2022
- 2022-03-24 CN CN202220642202.6U patent/CN217445033U/en active Active
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