CN106856633A - A kind of LED street lamp control system - Google Patents
A kind of LED street lamp control system Download PDFInfo
- Publication number
- CN106856633A CN106856633A CN201510903399.9A CN201510903399A CN106856633A CN 106856633 A CN106856633 A CN 106856633A CN 201510903399 A CN201510903399 A CN 201510903399A CN 106856633 A CN106856633 A CN 106856633A
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- CN
- China
- Prior art keywords
- solar panel
- battery
- led
- controller
- discharge
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present invention discloses a kind of LED street lamp control system, including control unit, electricity accumulating unit and LED discharge cells, described control unit includes singlechip controller and discharge controller, the electricity accumulating unit includes solar panel and the battery being connected with the solar panel by charging circuit, and the singlechip controller controls the solar panel to be charged in the battery；The battery is connected with the discharge controller, and the discharge controller is connected with the LED discharge cells, controls the battery to be powered to the LED discharge cells.Control system of the invention is detected by singlechip controller on daytime to the voltage and current of solar panel, calculate the maximum output power point of solar panel, solar panel is set to be charged a battery with peak power output, it is ensured that battery possesses the possibility powered to LED street lamp.
Description
Technical field
The present invention relates to a kind of circuit control system, specifically a kind of LED street lamp control system.
Background technology
With the progress of LED manufacture technology and battery technology, high brightness（HB）LED is widely used in various lighting apparatus at present, its light output amount（Luminous efficiency）Measured generally in units of lumens/watt, have been over the luminous efficiency of fluorescent lamp.And when using high power capacity, single-unit Li+ battery power high efficiency LED light sources, because cell voltage is only 3V to 4V, it is necessary to solve the problems, such as Power convert.
The lithium ion of current peak capacity（Li+）Battery energy density can reach 750kJ/kg or so；Ni-mh（NiMH）The energy density of battery is more lower slightly, about 200kJ/kg（And the energy density of gasoline is 44MJ/kg）.The terminal voltage of single-unit Li+ batteries is about 3.7V, wants to directly drive the LED of multiple series connection, then need multiple batteries to be cascaded, but this can bring the design problems such as power distribution, and user also tends to the scheme that first-selected single battery is powered.
The content of the invention
Goal of the invention：Present invention aim in view of the shortcomings of the prior art, there is provided a kind of circuit control system being applicable with LED street lamp, automatically controlling for LED street lamp is realized.
Technical scheme：LED street lamp control system of the present invention, including control unit, electricity accumulating unit and LED discharge cells, described control unit includes singlechip controller and discharge controller, the electricity accumulating unit includes solar panel and the battery being connected with the solar panel by charging circuit, the solar panel is connected by measure voltage ＆ current device with the singlechip controller, the singlechip controller detects the voltage and current of the solar panel, calculate the power output of the solar panel, and control the solar panel to be charged in the battery；The battery is connected with the discharge controller, and the discharge controller is connected with the LED discharge cells, and the discharge controller monitors external environment condition, and controls the battery to be powered to the LED discharge cells.
Further preferably technical scheme is that also including mains-supplied unit, the mains-supplied is connected with the LED discharge cells, and is powered to the LED discharge cells under the control of discharge controller to the present invention.
Preferably, the singlechip controller calculates the power output of the solar panel by MPPT algorithm.
Preferably, the battery is connected by dc chopper with the discharge controller.
Preferably, the singlechip controller is connected with the charging circuit of the electricity accumulating unit, detects the delivery state of the charging circuit.
Beneficial effect：（1）Control system of the invention is detected by singlechip controller on daytime to the voltage and current of solar panel, the maximum output power point of tracing computation solar panel, solar panel is set to be charged a battery with peak power output, and controlling the mode that solar cell charged to battery, it is ensured that battery possesses the possibility powered to LED street lamp；（2）Control light-electricity complementary automatic conversion, night controls battery discharging by discharge controller, drives LED street lamp illumination；When in solar irradiation deficiency or rainy weather, when battery discharging voltage reaches minimum voltage, single chip control unit automatically switches to mains-supplied unit and powered to discharge cell, lights LED street lamps；（3）Singlechip controller of the invention is directly connected with charging circuit, and over, additives for overcharge protection, short-circuit protection, reverse connecting protection and polarity protection are carried out to battery；（4）Discharge controller is monitored by External Environment in the present invention, automatically controls discharge cell electric discharge, and LED lamps can be controlled to turn on light, turn off the light the time.
Brief description of the drawings
Fig. 1 is the structural representation of LED street lamp control system of the present invention.
Specific embodiment
Technical solution of the present invention is described in detail below by accompanying drawing, but protection scope of the present invention is not limited to the embodiment.
Embodiment：A kind of LED street lamp control system, including control unit, electricity accumulating unit, mains-supplied unit and LED discharge cells, as shown in Figure 1：
Described control unit includes singlechip controller and discharge controller, the electricity accumulating unit includes solar panel and the battery being connected with the solar panel by charging circuit, the solar panel is connected by measure voltage ＆ current device with the singlechip controller, the singlechip controller detects the voltage and current of the solar panel, the power output of the solar panel is calculated by MPPT algorithm, and control the solar panel to be charged in the battery, the singlechip controller is connected with the charging circuit of the electricity accumulating unit, detect the delivery state of the charging circuit；The battery is connected by dc chopper with the discharge controller, and the discharge controller is connected with the LED discharge cells, and the discharge controller monitors external environment condition, and controls the battery to be powered to the LED discharge cells.
The mains-supplied is connected with the LED discharge cells, and is powered to the LED discharge cells under the control of discharge controller.
Although as described above, having been represented with reference to specific preferred embodiment and having described the present invention, it shall not be construed as to the limitation of itself of the invention.Under the premise of the spirit and scope of the present invention for not departing from appended claims definition, can various changes can be made in the form and details to it.
Claims (5)
1. a kind of LED street lamp control system, it is characterized in that, including control unit, electricity accumulating unit and LED discharge cells, described control unit includes singlechip controller and discharge controller, the electricity accumulating unit includes solar panel and the battery being connected with the solar panel by charging circuit, the solar panel is connected by measure voltage ＆ current device with the singlechip controller, the singlechip controller detects the voltage and current of the solar panel, calculate the power output of the solar panel, and control the solar panel to be charged in the battery；The battery is connected with the discharge controller, and the discharge controller is connected with the LED discharge cells, and the discharge controller monitors external environment condition, and controls the battery to be powered to the LED discharge cells.
2. LED street lamp control system according to claim 1, it is characterised in that also including mains-supplied unit, the mains-supplied is connected with the LED discharge cells, and is powered to the LED discharge cells under the control of discharge controller.
3. LED street lamp control system according to claim 1, it is characterised in that the singlechip controller calculates the power output of the solar panel by MPPT algorithm.
4. LED street lamp control system according to claim 1, it is characterised in that the battery is connected by dc chopper with the discharge controller.
5. LED street lamp control system according to claim 1, it is characterised in that the singlechip controller is connected with the charging circuit of the electricity accumulating unit, detects the delivery state of the charging circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510903399.9A CN106856633A (en) | 2015-12-09 | 2015-12-09 | A kind of LED street lamp control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510903399.9A CN106856633A (en) | 2015-12-09 | 2015-12-09 | A kind of LED street lamp control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106856633A true CN106856633A (en) | 2017-06-16 |
Family
ID=59132252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510903399.9A Pending CN106856633A (en) | 2015-12-09 | 2015-12-09 | A kind of LED street lamp control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106856633A (en) |
-
2015
- 2015-12-09 CN CN201510903399.9A patent/CN106856633A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170616 |