Wind and light storage integrated street lamp control method

Abstract

The invention relates to the technical field of illumination control, and particularly discloses a wind and light storage integrated street lamp control method, which comprises the following steps that a wind power generation unit and a photovoltaic power generation unit are respectively connected into an energy storage unit, and the wind power generation unit directly supplies power to an LED lamp; the wind power generation unit, the photovoltaic power generation unit and the energy storage unit are controlled by the control unit; the wind power generation unit supplies power to the energy storage unit and the LED lamp alternatively, and the photovoltaic power generation unit supplies power to the energy storage unit; when the wind power generation unit and the photovoltaic power generation unit do not supply power to the LED lamp, the energy storage unit supplies power to the LED lamp. The pressure of urban lighting on the environment is greatly relieved, a mains supply circuit does not need to be laid, and the operation cost of urban public lighting is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of lighting control, and in particular to a wind-solar-storage integrated street lamp control method. Background Art

[0002] At present, since street lighting belongs to the field of public lighting, the area it controls is usually relatively large, but the number of slaves connected to the RS-485 master is relatively small.

[0003] The prior art CN103025008A provides a street lamp control method, including a host computer, a concentrator and a node controller, wherein the host computer is connected to one or more concentrators via Ethernet, GPRS or CDMA communication; the concentrator is connected to one or more node controllers via an RS485 interface communication; the node controller is used to connect to the street lamp control circuit, and the method includes the following steps: the host computer sends first control data to the concentrator, the concentrator processes the first control data and then sends second control data to the node controller, and the node controller controls the street lamp according to the received second control data; the concentrator also The node controller sends the first feedback data to the upper computer and also sends the second feedback data to the concentrator; wherein the first control data, the second control data, the first feedback data and the second feedback data are all transmitted in the form of data frames; the data frames of the first control data and the first feedback data include a frame header, a frame description field, a data field and a frame tail; the data field in the first control data and the first feedback data includes control commands and operation object information; the data frames of the second control data and the second feedback data include a frame header, a data field and a frame tail, and the data fields in the second control data and the second feedback data include control commands and control object information.

[0004] However, in the prior art, street lamps are powered by a combination of city electricity and solar energy, which has insufficient power supply stability and reliability, and the cost of laying power transmission circuits in remote areas is high. Summary of the invention

[0005] The purpose of the present invention is to provide a wind, solar and energy storage integrated street lamp control method, aiming to solve the technical problems that the power supply method of street lamps in the prior art is to use a combination of municipal power supply and solar energy for power supply, the power supply stability and reliability are insufficient, and the cost of laying transmission circuits in remote areas is high.

[0006] To achieve the above purpose, the present invention adopts a wind-solar-storage integrated street lamp control method, comprising the following steps:

[0007] The wind power generation unit and the photovoltaic power generation unit are respectively connected to the energy storage unit, and the wind power generation unit directly supplies power to the LED lamp;

[0008] The control unit controls the wind power generation unit, the photovoltaic power generation unit and the energy storage unit;

[0009] The wind power generation unit supplies power to either the energy storage unit or the LED lamp, and the photovoltaic power generation unit supplies power to the energy storage unit;

[0010] When neither the wind power generation unit nor the photovoltaic power generation unit supplies power to the LED lamp, the energy storage unit supplies power to the LED lamp.

[0011] Wherein, the wind power generation unit comprises a wind power generator set, a first electromagnetic switch, a second electromagnetic switch, a first current monitoring sensor and a second current monitoring sensor;

[0012] The wind turbine generator set utilizes wind power to generate electrical energy;

[0013] The first electromagnetic switch performs on-off control on the first output circuit of the wind turbine generator set;

[0014] The second electromagnetic switch performs on-off control on the second output circuit of the wind turbine generator set;

[0015] The first current monitoring sensor monitors the first output circuit;

[0016] The second current monitoring sensor monitors the second output circuit.

[0017] Wherein, the photovoltaic power generation unit includes a photovoltaic power generation panel, a third electromagnetic switch and a third current monitoring sensor;

[0018] The photovoltaic panels generate electrical energy using light energy;

[0019] The third electromagnetic switch performs on-off control on the output circuit of the photovoltaic power generation panel;

[0020] The third current monitoring sensor monitors the output circuit of the photovoltaic power generation panel.

[0021] Wherein, the energy storage unit includes a battery pack, a detection module and a protection module;

[0022] The battery pack is used to store the electric energy generated by the wind power generation unit and the photovoltaic power generation unit, and the battery pack can also supply power to the LED lamp;

[0023] The detection module is used to monitor the actual status of the battery pack to ensure the stable operation of the battery pack;

[0024] The protection module is used for performing power-off protection when an abnormality occurs in the charging circuit of the battery.

[0025] Wherein, the detection module includes a temperature sensor, a voltage sensor and a current sensor;

[0026] The temperature sensor is used to monitor the temperature of the battery pack in real time;

[0027] The voltage sensor monitors the internal voltage of the battery pack in real time;

[0028] The current sensor monitors the internal current in the battery pack in real time.

[0029] Wherein, the protection module includes an overvoltage protection circuit, an overcurrent protection circuit and a short circuit protection circuit;

[0030] The overvoltage protection circuit is used to perform overvoltage protection on the charging circuit of the battery pack to prevent the input power supply voltage from exceeding the safety value and causing damage to the battery pack or the LED lamp;

[0031] The overcurrent protection circuit is used to perform overcurrent protection on the charging circuit of the battery pack to prevent the input power current from exceeding the safety value and causing damage to the battery pack or the LED lamp;

[0032] The short-circuit protection circuit is used to perform short-circuit protection on the charging circuit of the battery pack and disconnect the circuit in an abnormal situation.

[0033] Wherein, the control unit includes a central processing unit, a communication module and an intelligent monitoring module;

[0034] The central processing unit is responsible for receiving and processing signals, processing and analyzing data according to a preset program algorithm, and generating control instructions;

[0035] The communication module is used to perform real-time and remote monitoring of the status of the street lamp;

[0036] The intelligent monitoring module is used to monitor the external conditions of the street lamps and achieve energy conservation and emission reduction according to the real-time environmental conditions.

[0037] A wind-solar-storage integrated street lamp control method of the present invention has the following beneficial effects:

[0038] 1. Wind power generation and solar power generation are renewable resources, which basically do not produce carbon emissions, greatly reducing the pressure of urban lighting on the environment, and there is no need to lay mains power circuits, reducing the operating costs of urban public lighting;

[0039] 2. The intelligent monitoring system monitors the operating status of each component in real time, issues early warnings and takes response measures in a timely manner, thus improving the overall reliability and maintenance efficiency of the system;

[0040] 3. Wind power generation and solar power generation effectively reduce the workload of lamps, extend the service life of lamps, reduce maintenance costs, and ensure the safety of roads at night and reduce the occurrence of traffic accidents by dynamically adjusting the brightness;

[0041] 4. The integrated street lamp control method of wind energy, light energy and storage not only has significant advantages in energy conservation and emission reduction and economic benefits, but also shows its beneficial effects in system stability, urban beautification, intelligent control, ease of maintenance, improved safety and improved management level. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0043] Figure 1 It is a flow chart of the steps of a wind-solar-storage integrated street lamp control method of the present invention.

[0044] Figure 2 It is a system diagram of a wind, solar and energy storage integrated street lamp control method of the present invention.

[0045] Figure 3 It is a system diagram of the intelligent monitoring module of the present invention.

[0046] 101-wind turbine generator set, 102-first electromagnetic switch, 103-second electromagnetic switch, 104-first current monitoring sensor, 105-second current monitoring sensor, 106-photovoltaic power generation panel, 107-third electromagnetic switch, 108-third current monitoring sensor, 109-battery pack, 110-detection module, 111-protection module, 112-temperature sensor, 113-voltage sensor, 114-current sensor, 115-overvoltage protection circuit, 116-overcurrent protection circuit, 117-short circuit protection circuit, 118-control unit, 119-central processing unit, 120-communication module, 121-intelligent monitoring module, 122-light sensor, 123-motion sensor, 124-LED lamp. DETAILED DESCRIPTION

[0047] See also Figures 1 to 3 The present invention provides a wind, solar and energy storage integrated street lamp control method, comprising the following steps:

[0048] S1: Connecting the wind power generation unit and the photovoltaic power generation unit to the energy storage unit respectively, wherein the wind power generation unit directly supplies power to the LED lamp 124;

[0049] S2: The control unit 118 controls the wind power generation unit, the photovoltaic power generation unit and the energy storage unit;

[0050] S3: the wind power generation unit supplies power to either the energy storage unit or the LED lamp 124, and the photovoltaic power generation unit supplies power to the energy storage unit;

[0051] S4: When neither the wind power generation unit nor the photovoltaic power generation unit supplies power to the LED lamp 124 , the energy storage unit supplies power to the LED lamp 124 .

[0052] In this embodiment, the control unit 118 controls the wind power generation unit, the photovoltaic power generation unit and the energy storage unit. During the day, the LED lamp 124 does not need to be illuminated. During the day, wind power generation and photovoltaic power generation are performed by the wind power generation unit and the photovoltaic power generation unit, and the generated electric energy is stored in the energy storage unit through a charging circuit. The energy storage unit stores the electricity. At night, the photovoltaic power generation unit is turned off to generate electricity because the power generation at night is low or even negligible. The wind power generation unit continues to generate wind power at night. When the lighting brightness requirement is low, the wind power generation unit directly powers the LED lamp 124. When the lighting brightness requirement is high or the power generation efficiency of the wind power generation unit is low, the energy storage unit directly powers the LED lamp 124.

[0053] Further, the wind power generation unit includes a wind power generator set 101, a first electromagnetic switch 102, a second electromagnetic switch 103, a first current monitoring sensor 104 and a second current monitoring sensor 105;

[0054] The wind turbine generator set 101 generates electric energy using wind power;

[0055] The first electromagnetic switch 102 performs on-off control on the first output circuit of the wind turbine generator set 101;

[0056] The second electromagnetic switch 103 performs on-off control on the second output circuit of the wind turbine generator set 101;

[0057] The first current monitoring sensor 104 monitors the first output circuit;

[0058] The second current monitoring sensor 105 monitors the second output circuit.

[0059] In this embodiment, the wind turbine generator set 101 generates wind power, and the first electromagnetic switch 102 and the second electromagnetic switch 103 respectively control two groups of output circuits, the first current monitoring sensor 104 monitors the current of the first output circuit to determine whether the first electromagnetic switch 102 is on or off, and the second current monitoring sensor 105 monitors the current of the second output circuit to determine whether the second electromagnetic switch 103 is on or off.

[0060] Further, the photovoltaic power generation unit includes a photovoltaic power generation panel 106, a third electromagnetic switch 107 and a third current monitoring sensor 108;

[0061] The photovoltaic panel 106 generates electrical energy using light energy;

[0062] The third electromagnetic switch 107 performs on-off control on the output circuit of the photovoltaic panel 106;

[0063] The third current monitoring sensor 108 monitors the output circuit of the photovoltaic panel 106 .

[0064] In this embodiment, photovoltaic power generation is performed by the photovoltaic power generation panel 106 , the third electromagnetic switch 107 controls the on-off of the charging circuit of the photovoltaic power generation panel 106 , and the on-off of the third electromagnetic switch 107 is monitored by the third current monitoring sensor 108 .

[0065] Further, the energy storage unit includes a battery pack 109, a detection module 110 and a protection module 111;

[0066] The battery pack 109 is used to store the electric energy generated by the wind power generation unit and the photovoltaic power generation unit, and the battery pack 109 can also supply power to the LED lamp 124;

[0067] The detection module 110 is used to monitor the actual status of the battery pack 109 to ensure the stable operation of the battery pack 109;

[0068] The protection module 111 is used for performing power-off protection when an abnormality occurs in the charging circuit of the battery.

[0069] In this embodiment, electric energy is stored by the battery pack 109, and the detection module 110 monitors the voltage, current and temperature data of the battery pack 109 in real time to determine whether the battery pack 109 is in a stable operating state, and the protection module 111 protects the battery from overvoltage, overcurrent and overpressure.

[0070] Further, the detection module 110 includes a temperature sensor 112, a voltage sensor 113 and a current sensor 114;

[0071] The temperature sensor 112 is used to monitor the temperature of the battery pack 109 in real time;

[0072] The voltage sensor 113 monitors the internal voltage of the battery pack 109 in real time;

[0073] The current sensor 114 monitors the internal current in the battery pack 109 in real time.

[0074] In this embodiment, the operating temperature, voltage and current of the battery pack 109 are monitored in real time by the temperature sensor 112, the voltage sensor 113 and the current sensor 114, and the temperature, voltage and current are calculated and analyzed to determine whether the battery pack 109 is in a stable operating state.

[0075] Furthermore, the protection module 111 includes an overvoltage protection circuit 115, an overcurrent protection circuit 116 and a short circuit protection circuit 117;

[0076] The overvoltage protection circuit 115 is used to perform overvoltage protection on the charging circuit of the battery pack 109 to prevent the input power supply voltage from exceeding the safety value and causing damage to the battery pack 109 or the LED lamp 124;

[0077] The overcurrent protection circuit 116 is used to perform overcurrent protection on the charging circuit of the battery pack 109 to prevent the input power current from exceeding the safety value and causing damage to the battery pack 109 or the LED lamp 124;

[0078] The short-circuit protection circuit 117 is used to perform short-circuit protection on the charging circuit of the battery pack 109 and disconnect the circuit connection in an abnormal situation.

[0079] In this embodiment, when overvoltage, overcurrent or short circuit occurs in the circuit connected to the battery pack 109, the connected power supply is cut off to ensure that the battery pack 109 and the LED lamp 124 are powered off in time to ensure that the battery pack 109 and the LED lamp 124 are not damaged.

[0080] Furthermore, the control unit 118 includes a central processing unit 119, a communication module 120 and an intelligent monitoring module 121;

[0081] The central processor 119 is responsible for receiving and processing signals, processing and analyzing data according to a preset program algorithm, and generating control instructions;

[0082] The communication module 120 is used to perform real-time and remote monitoring of the status of the street lamp;

[0083] The intelligent monitoring module 121 is used to monitor the external conditions of the street lamps and achieve energy saving and emission reduction according to the real-time environmental conditions.

[0084] In this embodiment, the central processing unit 119 receives and sends instructions and executes them according to preset program instructions. The communication module 120 realizes wireless data transmission with external devices. The intelligent monitoring module 121 intelligently monitors external conditions, regulates the LED lamp 124 according to external real-time conditions, controls the turning off and on of the LED lamp 124, and also controls the lighting brightness of the LED lamp 124 to achieve the purpose of saving energy.

[0085] Further, the intelligent monitoring module 121 includes a light sensor 122 and a motion sensor 123;

[0086] The light sensor 122 is used to monitor the light intensity of the surrounding environment. When the light intensity is lower than a preset value, an instruction is sent to the central processor 119 to turn on the LED light 124;

[0087] The motion sensor 123 is used to detect pedestrians or vehicles passing by and control the LED light 124 to automatically adjust the brightness.

[0088] In this embodiment, the light sensor 122 is used to control the turning on and off of the LED lamp 124, and the motion sensor 123 monitors the road conditions of the current road section. When no pedestrians and vehicles are detected, the light brightness of the LED lamp 124 is reduced to achieve energy saving. When pedestrians and vehicles are detected, the light brightness of the LED lamp 124 is increased, thereby realizing automatic control of the street lamp. The wind energy, light energy, and storage integrated street lamp control method not only has significant advantages in energy saving and emission reduction and economic benefits, but also shows its beneficial effects in terms of system stability, urban beautification, intelligent control, ease of maintenance, improved safety, and improved management level.

[0089] What is disclosed above is only a preferred embodiment of the present invention, and it certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope of the invention.

Claims

1. A wind, solar and energy storage integrated street lamp control method, characterized in that: The steps include: The wind power generation unit and the photovoltaic power generation unit are respectively connected to the energy storage unit, and the wind power generation unit directly supplies power to the LED lamp; The control unit controls the wind power generation unit, the photovoltaic power generation unit and the energy storage unit; The wind power generation unit supplies power to either the energy storage unit or the LED lamp, and the photovoltaic power generation unit supplies power to the energy storage unit; When neither the wind power generation unit nor the photovoltaic power generation unit supplies power to the LED lamp, the energy storage unit supplies power to the LED lamp.

2. A wind, solar and energy storage integrated street lamp control method as claimed in claim 1, characterized in that: The wind power generation unit comprises a wind power generator set, a first electromagnetic switch, a second electromagnetic switch, a first current monitoring sensor and a second current monitoring sensor; The wind turbine generator set utilizes wind power to generate electrical energy; The first electromagnetic switch performs on-off control on the first output circuit of the wind turbine generator set; The second electromagnetic switch performs on-off control on the second output circuit of the wind turbine generator set; The first current monitoring sensor monitors the first output circuit; The second current monitoring sensor monitors the second output circuit.

3. The wind-solar-storage integrated street lamp control method according to claim 1, characterized in that: The photovoltaic power generation unit includes a photovoltaic power generation panel, a third electromagnetic switch and a third current monitoring sensor; The photovoltaic panels generate electrical energy using light energy; The third electromagnetic switch performs on-off control on the output circuit of the photovoltaic power generation panel; The third current monitoring sensor monitors the output circuit of the photovoltaic power generation panel.

4. The wind-solar-storage integrated street lamp control method according to claim 1, characterized in that: The energy storage unit includes a battery pack, a detection module and a protection module; The battery pack is used to store the electric energy generated by the wind power generation unit and the photovoltaic power generation unit, and the battery pack can also supply power to the LED lamp; The detection module is used to monitor the actual status of the battery pack to ensure the stable operation of the battery pack; The protection module is used for performing power-off protection when an abnormality occurs in the charging circuit of the battery.

5. A wind, solar and energy storage integrated street lamp control method as claimed in claim 4, characterized in that: The detection module includes a temperature sensor, a voltage sensor and a current sensor; The temperature sensor is used to monitor the temperature of the battery pack in real time; The voltage sensor monitors the internal voltage of the battery pack in real time; The current sensor monitors the internal current in the battery pack in real time.

6. A wind, solar and energy storage integrated street lamp control method as claimed in claim 4, characterized in that: The protection module includes an overvoltage protection circuit, an overcurrent protection circuit and a short circuit protection circuit; The overvoltage protection circuit is used to perform overvoltage protection on the charging circuit of the battery pack to prevent the input power supply voltage from exceeding the safety value and causing damage to the battery pack or the LED lamp; The overcurrent protection circuit is used to perform overcurrent protection on the charging circuit of the battery pack to prevent the input power current from exceeding the safety value and causing damage to the battery pack or the LED lamp; The short-circuit protection circuit is used to perform short-circuit protection on the charging circuit of the battery pack and disconnect the circuit in an abnormal situation.

7. The wind, solar and energy storage integrated street lamp control method according to claim 1, characterized in that: The control unit includes a central processing unit, a communication module and an intelligent monitoring module; The central processing unit is responsible for receiving and processing signals, processing and analyzing data according to a preset program algorithm, and generating control instructions; The communication module is used to perform real-time and remote monitoring of the status of the street lamp; The intelligent monitoring module is used to monitor the external conditions of the street lamps and achieve energy conservation and emission reduction according to the real-time environmental conditions.

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