CN204206538U - Photovoltaic generation LED road lamp control system - Google Patents
Photovoltaic generation LED road lamp control system Download PDFInfo
- Publication number
- CN204206538U CN204206538U CN201420587092.3U CN201420587092U CN204206538U CN 204206538 U CN204206538 U CN 204206538U CN 201420587092 U CN201420587092 U CN 201420587092U CN 204206538 U CN204206538 U CN 204206538U
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- China
- Prior art keywords
- road lamp
- led road
- circuit
- microprocessor
- control system
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to a kind of photovoltaic generation LED road lamp control system, belong to photovoltaic LED road lamp control technology field, this system comprises microprocessor, photoinduction module, testing circuit, PWM control unit, drive circuit, display unit, protective circuit and MOSFET; Photovoltaic cell is connected with microprocessor by testing circuit with LED road lamp, and storage battery is connected with microprocessor by PWM control unit, and wherein photovoltaic cell is connected with storage battery through MOSFET, and storage battery is connected with LED road lamp through photoinduction module; Protective circuit is connected with microprocessor with display unit.Someone walks close to the change of LED road lamp and ambient brightness to carry out perception by photoinduction module in the utility model, thus opens or close LED road lamp, saves energy; Effectively can protect storage battery by PWM control unit, preventing the generation of overcharge phenomenon, is charge in batteries fast, reposefully.
Description
Technical field:
The utility model relates to solar LED road lamp control technology field, and particularly a kind of automatic sensing opens and shuts off the photovoltaic generation LED road lamp control system of LED road lamp.
Background technology:
Solar energy as a kind of clean, pollution-free, be inexhaustible, nexhaustible clear energy sources.Solar energy intelligent controller is the core in whole photovoltaic lighting system, the no matter light-operated unlatching of the controller sold in the market adds light-operated closedown, or light-operated open to add postpone the full power state that always adopts of Guan Doushi, have nobody all will light LED road lamp.Concerning whole photovoltaic generation illuminator, not only waste valuable electricity, but also the mistake of storage battery can be caused to put, affect the useful life of storage battery.
Summary of the invention:
The purpose of this utility model is the uneconomical problem such as energy-conservation under being to solve controller for solar, system short, unmanned situation in useful life not high to accumulator cell charging and discharging precision, provides that a kind of energy-conserving and environment-protective, control precision are high, the photovoltaic generation LED road lamp control system of system stability long service life.
For achieving the above object, the utility model is achieved through the following technical solutions.A kind of photovoltaic generation LED road lamp control system, this system comprises microprocessor, photoinduction module, testing circuit, PWM control unit, drive circuit, display unit, protective circuit and MOSFET; Photovoltaic cell is connected with microprocessor by testing circuit with LED road lamp, and storage battery is connected with microprocessor by PWM control unit, and wherein photovoltaic cell is connected with storage battery through MOSFET, and storage battery is connected with LED road lamp through photoinduction module; Protective circuit is connected with microprocessor with display unit.
Described photoinduction module comprises the luminance detection unit detecting surrounding environment visibility information and the infrared induction unit detecting the stream of people.Described infrared induction unit is made up of relay switch control circuit, amplifying circuit, delay circuit, infrared induction unit.Described MOSFET is connected with microprocessor through drive circuit.
Described PWM control unit is formed by connecting by transistor circuit, field effect transistor circuit and amplifying circuit.Described transistor circuit comprises triode Q1 and Q2, field effect transistor circuit comprises field effect transistor Q3 and Q4, the overcharge of a battery of triode Q1 circuit and field effect transistor Q3 circuit control system, the closedown of triode Q2 circuit and field effect transistor Q3 control circui LED road lamp.When the voltage of described storage battery is lower than 13V, PWM control unit exports the pulse of a corresponding duty ratio, controls the time that triode Q1 leads to and breaks, and triode Q1 leads to and the duration that breaks controls the logical and disconnected of field effect transistor Q3.Described when triode Q2 conducting, the voltage step-down (being about 0V) of triode Q2 collector electrode E, is now added to the voltage step-down of field effect transistor Q4 grid, and field effect transistor Q4 ends, and the electric current flowing through LED road lamp reduces to 0, LED road lamp and closes; When triode Q2 ends, the voltage of triode Q2 collector electrode E is high, and the voltage being added to field effect transistor Q4 grid is high, field effect transistor Q4 conducting, and the electric current flowing through LED road lamp is large, and LED road lamp is opened.Described microprocessor refers to single-chip microcomputer or DSP.Described display unit refers to liquid crystal display screen.
The beneficial effects of the utility model are: by the detection of microprocessor to accumulator electric-quantity, reasonably charge to it; By the detection of microprocessor to LED road lamp, whole system is protected; Someone walks close to the change of LED road lamp and ambient brightness to carry out perception by photoinduction module, thus opens or close LED road lamp, has saved electric energy, has protected storage battery, and whole system is operated in a kind of state efficiently; Effectively can protect storage battery by PWM control unit, preventing the generation of overcharge phenomenon, can also be charge in batteries fast, reposefully.
Accompanying drawing illustrates:
Fig. 1 is the structured flowchart in the utility model control system.
Fig. 2 is the control flow chart in the utility model control system;
Fig. 3 is the circuit diagram of the PWM control unit in the utility model control system.
Embodiment
In order to make the purpose of this utility model, technical scheme and creation characteristic clearly understand, below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, a kind of photovoltaic generation LED road lamp control system, comprises microprocessor, photoinduction module, testing circuit, PWM control unit, drive circuit, display unit, protective circuit and MOSFET; Photovoltaic cell is connected with microprocessor by testing circuit with LED road lamp, and storage battery is connected with microprocessor by PWM control unit, and wherein photovoltaic cell is connected with storage battery through MOSFET, and storage battery is connected with LED road lamp through photoinduction module; Protective circuit is connected with microprocessor with indicating circuit.
As long as when its temperature of any object of occurring in nature is higher than thermodynamic temperature, it will be difficult to observable infrared ray by a kind of human eye of the continual radiation in peripherad space, utilizes the infrared ray of human body radiation to carry out full automatic switch control rule to LED road lamp.Photoinduction module comprises the luminance detection unit detecting surrounding environment visibility information and the infrared induction unit detecting the stream of people, infrared induction unit is made up of relay switch control circuit, amplifying circuit, delay circuit, infrared induction unit, infrared induction unit is connected with amplifying circuit, amplifying circuit is connected with relay switch control circuit, and relay switch control circuit is connected with delay circuit.By infrared detection and luminance detection, realize the opening and closing of street lamp, achieve Automatic Control, especially at the rainy weather that visibility is not high, more can embody it and control flexibility.
PWM control unit is exactly the duty ratio controlling microprocessor output waveform, and the cycle does not change, by the conducting of switching tube with close the charge graph controlling discharge and recharge potassium battery, concrete control circuit is as Fig. 3.When the voltage of storage battery is lower than 13V, PWM control unit exports the pulse of a corresponding duty ratio, controls the time that diode Q1 leads to and breaks, thus controls the logical and disconnected of field effect transistor Q3, makes the electric current charged be about 0.24A.When the voltage being now in precharging state storage battery is higher than 13V, single-chip microcomputer exports a high level (being equivalent to PWM duty ratio is 1), diode Q1 conducting, and field effect transistor Q3 is in the state of blocking, now solar panel with maximum electric current for charge in batteries, constant current charge.When battery tension close to or when equaling 16.8V, by controlling duty ratio, also make field effect transistor Q3 realize break-make to control, charged state is made to be in constant voltage floating charge state when electric current is less than one value (0.24A), single-chip microcomputer just exports a low level, make the complete conducting of field effect transistor Q3, stop charging a battery.
The control principle of LED road lamp on and off is as Fig. 3, when the control pin of Single-chip Controlling LED road lamp exports high level (5V) time, triode Q2 will conducting, the voltage step-down (being about 0V) of triode Q2 collector electrode E, the voltage being now added to field effect transistor (Q4) grid will step-down, field effect transistor is cut-off just, and the electric current flowing through LED road lamp reduces to 0, LED road lamp and closes.On the contrary, when control pin output low level (0V) of Single-chip Controlling LED road lamp time, triode Q2 will end, the voltage of triode Q2 collector electrode E is high, the voltage being now added to field effect transistor Q4 grid is also just high, field effect transistor is with regard to conducting, and the electric current flowing through LED road lamp is large, and LED road lamp is opened.
Microprocessor refers to single-chip microcomputer or DSP, MOSFET is MOSFET and metal-oxide layer-semiconductor-field-effect transistor, be called for short metal-oxide half field effect transistor (Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET), by testing circuit and PWM control unit, the state to photovoltaic cell and storage battery judges microprocessor, when the voltage of photovoltaic cell is higher than the voltage of storage battery, when storage battery is not in the state being full of protection, microprocessor just sends signal and drives MOSFET conducting, connect photovoltaic cell and storage battery, light energy conversion is electric energy and is stored in storage battery by photovoltaic cell.Storage battery is connected with photoinduction module, photoinduction module is connected with LED road lamp, judge whether current visibility affects vehicles or pedestrians and travel, whether reach the requirement of turning on light, after meeting requirement of turning on light, walk close to LED road lamp when there being people and need illumination, infrared optical sensor in infrared induction unit detects the infrared ray that human body sends, this signal is converted into the signal of telecommunication that can identify, through the process of amplifying circuit, give relay switch control circuit and light LED road lamp as control signal, postpone to extinguish for a moment, the now infrared optical sensor infrared ray that will can't detect human body and send.LED road lamp is connected with testing circuit; testing circuit is connected with microprocessor, and when microprocessor detects load overload, overcurrent, short circuit exception, protective circuit is opened and protected whole control system; close and export, after waiting abnormal removing, recover normal work.Display unit refers to liquid crystal display screen, clearly can be known the operating state of the terminal voltage of photovoltaic cell, the terminal voltage of storage battery and LED road lamp by liquid crystal display screen.
The foregoing is only the utility model general principle, principal character; not in order to limit the utility model; all any amendments done within principle of the present utility model and spirit, equivalent replacement and improvement etc., all should be included in protection range of the present utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. a photovoltaic generation LED road lamp control system, is characterized in that: this system comprises microprocessor, photoinduction module, testing circuit, PWM control unit, drive circuit, display unit, protective circuit and MOSFET; Photovoltaic cell is connected with microprocessor by testing circuit with LED road lamp, and storage battery is connected with microprocessor by PWM control unit, and wherein photovoltaic cell is connected with storage battery through MOSFET, and storage battery is connected with LED road lamp through photoinduction module; Protective circuit is connected with microprocessor with display unit.
2. photovoltaic generation LED road lamp control system according to claim 1, is characterized in that: described photoinduction module comprises the luminance detection unit detecting surrounding environment visibility information and the infrared induction unit detecting the stream of people.
3. photovoltaic generation LED road lamp control system according to claim 2, is characterized in that: described infrared induction unit is made up of relay switch control circuit, amplifying circuit, delay circuit, infrared induction unit.
4. photovoltaic generation LED road lamp control system according to claim 1, is characterized in that: described MOSFET is connected with microprocessor through drive circuit.
5. photovoltaic generation LED road lamp control system according to claim 1, is characterized in that: described PWM control unit is formed by connecting by transistor circuit, field effect transistor circuit and amplifying circuit.
6. photovoltaic generation LED road lamp control system according to claim 5, it is characterized in that: described transistor circuit comprises triode Q1 and Q2, field effect transistor circuit comprises field effect transistor Q3 and Q4, the overcharge of a battery of triode Q1 circuit and field effect transistor Q3 circuit control system, the closedown of triode Q2 circuit and field effect transistor Q3 control circui LED road lamp.
7. photovoltaic generation LED road lamp control system according to claim 1, is characterized in that: described microprocessor refers to single-chip microcomputer or DSP.
8. photovoltaic generation LED road lamp control system according to claim 1, is characterized in that: described display unit refers to liquid crystal display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420587092.3U CN204206538U (en) | 2014-10-11 | 2014-10-11 | Photovoltaic generation LED road lamp control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420587092.3U CN204206538U (en) | 2014-10-11 | 2014-10-11 | Photovoltaic generation LED road lamp control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204206538U true CN204206538U (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420587092.3U Expired - Fee Related CN204206538U (en) | 2014-10-11 | 2014-10-11 | Photovoltaic generation LED road lamp control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204206538U (en) |
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2014
- 2014-10-11 CN CN201420587092.3U patent/CN204206538U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 239300, on the north side of Anhui city of Chuzhou province Tianchang eleven Road, East Road Patentee after: ANHUI LONGVOLT ENERGY Co.,Ltd. Address before: After eleven road Weiyi 239300 Anhui city of Chuzhou province Tianchang Economic Development Zone Patentee before: ANHUI LONG VOLT ENVIRONMENTAL ENGINEERING Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Photovoltaic power generation LED road lamp control system Effective date of registration: 20200703 Granted publication date: 20150311 Pledgee: Tianchang Science and Technology Financing Guarantee Co.,Ltd. Pledgor: ANHUI LONGVOLT ENERGY Co.,Ltd. Registration number: Y2020980003774 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210625 Granted publication date: 20150311 Pledgee: Tianchang Science and Technology Financing Guarantee Co.,Ltd. Pledgor: ANHUI LONGVOLT ENERGY Co.,Ltd. Registration number: Y2020980003774 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150311 Termination date: 20211011 |