CN201237138Y - Solar energy and commercial power hybrid power supply LED street lamp - Google Patents

Abstract

The utility model discloses a solar energy and commercial power mix the LED street lamp of power supply, it includes at least: one end of the transformer is coupled to an alternating current power supply and can reduce the voltage of the alternating current power supply; the solar cell and the power supply device thereof are provided with at least one solar panel and a cell, and can receive sunlight, convert the sunlight into electric energy through photoelectric conversion and store the electric energy in the cell; a control box, which can switch the AC power supply or the battery output power supply; and a plurality of light emitting diodes which are coupled to the control box and can be controlled by the control box to be lightened or extinguished.

Description

LED street lamp powered by solar energy and mains

technical field

The utility model relates to a street lamp illuminating device, in particular to an LED street lamp which can be powered by a mixture of solar energy and commercial power.

Background technique

According to, traditional lighting devices, such as street lamps or street lamps, all use incandescent lamps or halogen lamps as lighting sources. Although they are cheap, they consume a lot of power. Therefore, they do not meet the requirements of environmental protection.

High-brightness light-emitting diodes have the characteristics of small size and relatively low power consumption, so they have become the new favorite of street lamps or street lighting devices. However, known street lamps or street lamp lighting devices that use light-emitting diodes as light sources usually use commercial power as their power source. Although they are more energy-efficient than incandescent lamps or halogen lamps, there is still room for improvement in today's energy-saving and carbon-reducing environment. place.

Utility model content

An object of the present invention is to provide an LED street lamp powered by a mixture of solar energy and commercial power, which supplies the LED street lamp with solar energy or commercial power to effectively reduce power consumption.

Another purpose of the present utility model is to provide an LED street lamp powered by a mixture of solar energy and mains electricity. When the LED street lamp is powered by solar energy, only part of the LEDs can be lit, so as to effectively reduce power consumption.

In order to achieve the above-mentioned purpose, a kind of LED street lamp powered by solar energy and commercial power of the present utility model at least includes: a transformer, one end of which is coupled to an AC power source, which can step down the AC power source; a solar cell and Its power supply device has at least one solar panel and a battery, which can receive sunlight and convert the sunlight into electrical energy by photoelectric conversion and store it in the battery; a control box, one end of which is respectively coupled to the transformer The output terminal of the solar battery and its power supply device can switch the AC power supply or the output power of the solar battery; and a plurality of light-emitting diodes, which are coupled to the control box, can be lighted or extinguished under the control of the control box .

The beneficial effects of the utility model are:

The LED street lamp powered by solar energy and commercial power mixed in the utility model supplies the LED street lamp with solar energy or commercial power to effectively reduce power consumption.

The LED street lamp powered by solar energy and mains power of the utility model can only light up some light-emitting diodes when the LED street lamp is supplied with solar energy, so as to effectively reduce power consumption.

Description of drawings

In order to enable the examiner to further understand the structure, features and purpose of the utility model, the following detailed descriptions are as follows in conjunction with the accompanying drawings and preferred specific embodiments, wherein:

FIG. 1 is a schematic diagram, which shows a schematic block diagram of an LED street lamp powered by a hybrid power supply of solar energy and mains electricity according to a preferred embodiment of the present invention.

FIG. 2 is a schematic diagram showing a detailed block diagram of a control box in a preferred embodiment of the present case.

Detailed ways

Please refer to FIG. 1 , which shows a schematic block diagram of an LED street lamp powered by a hybrid power supply of solar energy and commercial power according to a preferred embodiment of the present invention.

As shown in the figure, the LED street lamp powered by solar energy and commercial power in this case can be used in lighting devices, such as but not limited to street lamps or street lamps, which include: a transformer 10; a solar battery and its power supply device 20; The control box 30; and a plurality of light emitting diodes 40 are combined.

Wherein, one end of the transformer 10 is coupled to an AC power source, such as but not limited to 110V or 220V commercial power, which can step down the AC power source.

The solar cell and its power supply device 20 have at least one solar panel 21 and a battery 22, which can receive sunlight and perform photoelectric conversion by the solar panel 21 to convert sunlight into electrical energy and store it in the battery 22. The solar panel 21 and the battery 22 are generally known technologies, so they are not repeated here.

One end of the control box 30 is respectively coupled to the output end of the transformer 10 and the solar battery and its power supply device 20 , and can switch the output power from the AC power supply or the battery 22 to the LED 40 .

The plurality of LEDs 40 are coupled to the control box 30 and can be controlled by the control box 30 to be turned on or off. Wherein, the light emitting diodes 40 are, for example but not limited to, high brightness white light emitting diodes, and are preferably arranged in a row.

In addition, the LED street lamp powered by solar energy and mains power of the present invention further has a rectifier circuit 50, which is coupled to the output end of the transformer 10, and can rectify the reduced AC power into a DC power, for example but not limited to +5V or +3.3V is used for the plurality of LEDs 40 . Wherein, the rectification circuit 50 is, for example but not limited to, a full-wave rectification circuit or a half-wave rectification circuit. In this embodiment, full-wave rectification is used as an example for illustration, but it is not limited thereto.

In addition, the LED street lamp powered by solar energy and mains electricity of the present invention further has a timer 60 coupled to the output terminal of the transformer 10, allowing the user to preset the time for the transformer 10 to output the mains electricity. For example, when the sunshine is sufficient in summer, the opening time of the timer 60 can be set to 6:30 in the evening to 6:00 in the morning of the next day; 30 to 6:30 the next morning and so on.

In addition, the LED street lamp powered by solar energy and mains electricity of the present invention further has a light sensor 70, which is coupled to the control box 30. When it senses that the intensity of sunlight is lower than a default value, it can turn on The power output from the transformer 10 is output to the control box 30 to light the LED 40 . Simple control can be performed by the light sensor 70, or more complex but accurate control can be performed in combination with the timer 60 and the light sensor 70, which can be modified as required.

Please refer to FIG. 2 , which shows a detailed block diagram of the control box in a preferred embodiment of the present case.

As shown in the figure, the control box 30 of this case further has: a first relay 31 ; a second relay 32 ; and a controller 33 .

Wherein, one end of the first relay 31 is coupled to the output end of the transformer 10, and the other end is coupled to the controller 33;

One end of the second relay 32 is coupled to the output end of the solar battery and its power supply device 20 , and the other end is coupled to the controller 33 .

One end of the controller 33 is coupled to the first relay 31, the output end of the second relay 32 and the light sensor 70, and the other end is coupled to the light emitting diode 40; when the first relay 31 is turned on , will supply power to the light-emitting diodes 40 by the AC mains, therefore, the control of the controller 33 can make all the light-emitting diodes 40 light; when the second relay 32 is turned on, the battery 22 will supply power to the light-emitting diodes. Therefore, the diode 40 can be controlled by the controller 33 to light up a part of the LED 40, for example half, 1/3 or 1/4 of the LED 40 to save power consumption. In addition, the conduction time of the first relay 31 and the second relay 32 can be controlled by the timer 60 , the light sensor 70 and the controller 33 or a combination thereof, so as to save energy.

Therefore, the LED street lamp powered by solar energy and mains power mixed in this case can be used when there are many passers-by at the beginning of the Chinese lanterns, and the LED street lamp 40 is supplied with power by the AC mains power, so that all the light-emitting diodes 40 are lighted to increase its illumination intensity; When less, the battery 22 supplies power to the light emitting diode 40, so that the local light emitting diode 40 is lit to reduce its power consumption. Therefore, the shortcomings of the known lighting device can indeed be improved.

What is disclosed in this case is a preferred embodiment, and any partial changes or modifications derived from the technical idea of this case and easily deduced by those familiar with the technology do not depart from the scope of the claims of this case.

Claims (8)

1. the LED street lamp of solar energy and civil power hybrid power supply is characterized in that it comprises at least:

One can be with the transformer of this AC power step-down, and the one end is coupled to an AC power;

One can receive sunshine and converted this sunshine to electric energy and be stored in solar cell and electric supply installation thereof in this battery by opto-electronic conversion, and it has at least one solar panels and a battery;

The control box of one changeable this AC power or this battery out-put supply, one end are coupled to output and this solar cell and the electric supply installation thereof of this transformer respectively; And

A plurality of light emitting diodes of accepting the control of this control box and lighting or extinguish, it is coupled to this control box.

2. the LED street lamp of solar energy as claimed in claim 1 and civil power hybrid power supply is characterized in that, wherein this AC power is civil power 110V or 220V.

3. the LED street lamp of solar energy as claimed in claim 2 and civil power hybrid power supply is characterized in that, it further has a rectification circuit that the AC power after the step-down can be rectified into a direct current power supply, and it is coupled to the output of this transformer.

4. the LED street lamp of solar energy as claimed in claim 3 and civil power hybrid power supply is characterized in that, wherein this rectification circuit is a full-wave rectification or half-wave rectifying circuit.

5. the LED street lamp of solar energy as claimed in claim 1 and civil power hybrid power supply is characterized in that, it further has a timer that can preestablish the output time of this transformer, and it is coupled to the output of this transformer.

6. the LED street lamp of solar energy as claimed in claim 1 and civil power hybrid power supply is characterized in that, wherein this light emitting diode is a high brightness LED, arranges to become the row mode.

7. the LED street lamp of solar energy as claimed in claim 1 and civil power hybrid power supply is characterized in that, wherein this control box further has:

One first relay, the one end is coupled to the output of this transformer;

One second relay, the one end is coupled to the output of this solar cell and electric supply installation thereof; And

One controller, the one end is coupled to the output of this first relay and this second relay respectively, the other end then is coupled to this light emitting diode, when this first relay conducting, it can make whole light emitting diodes light, when this second relay conducting, it can make local luminous diode light.

8. the LED street lamp of solar energy as claimed in claim 1 and civil power hybrid power supply, it is characterized in that, it further has an optical sensor, be coupled to the output of this transformer, when it senses after sun light intensity is lower than a default value, the power supply that is about to this transformer output exports this control box to, to light this light emitting diode.

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