CN2828557Y - High-efficient solar street light - Google Patents

Abstract

The utility model relates to a high-effect solar street lamp, which comprises a lamp shell, a lamp rod joint, a lamp cover and an LED plane lamp, wherein the LED plane lamp is composed of a circuit board, a a reflecting mirror, an LED light source, a light sensitive probe, a control circuit and a four-wire plug. The control circuit and the LED plane lamp are tightly combined into integration and a separate type controller is saved. The front surface of the circuit board is coated with a metal reflecting layer as the reflecting mirror and the light sensitive probe is provided for inducting the weather. The light sensitive probe is conveniently connected with a solar battery and an accumulator by the four-wire plug. The solar street lamp uses the high-effect solar street lamp. The loss of the control circuit is less than 2%, the service life of a light source is 50000 to 100000 hours and the luminous efficiency is as high as 60 lumens per watt. The utility model has no frequency flash and no glare. The utility model can be lightened up in more than ten continuous rainy days.

Description

The high-efficiency solar street lamp light fixture

One, affiliated technical field

The utility model relates to a kind of solar energy lamp, refers in particular to a kind of solar street light light fixture.

Two, background technology

Solar street light more and more is widely used because of meeting the security of environmental protection and energy saving requirement and electricity consumption thereof.Existing solar street light is mainly by solar cell, battery, and light fixture, controller is formed.

Existing solar street light, its controller is split type, the shunting of ubiquity component is big, pressure drop is serious, and the low end that feeder line is long causes own loss more than 10%, even up to 20%-30%, so battery is very low through the power supply utilization rate of being defeated by light source behind the controller; Controller is improper to the overvoltage protection of battery in addition, when midday, day was beautiful, disconnects solar cell to charge in batteries, causes charge in batteries efficient low.

Existing solar street light, its lamp light source generally adopts electricity-saving lamp, if the useful small-power sodium vapor lamp of solar cell peak power.Electricity-saving lamp is not a perfect light source as the solar street light light source: illuminator self shading is serious on the one hand, and the aerial loss of luminous flux is big; The aspect is owing to rely on the output voltage of solar cell storage batteries in addition, influenced by weather and alter a great deal, electricity-saving lamp is worked under the triggering state owing, the electricity-saving lamp actual luminous flux is had a greatly reduced quality, and fluorescent tube very easily turns black and scraps, and its long service life then some months is short then several days.Making the solar street light light source with the small-power sodium vapor lamp also takes place and the similar situation of electricity-saving lamp.

Chinese patent once disclosed " semiconductor light-emitting-diode solar streetlight control circuit " (ZL200420014475.8, the day for announcing: 2005.02.02).Be somebody's turn to do " utility model relates to a kind of semiconductor light-emitting-diode solar streetlight control circuit; it is made up of microcontroller circuit, voltage-stabilized power supply circuit, real time clock circuit, liquid crystal display circuit, charge switch circuit, discharge switching circuit, keyboard interface circuit, solar cell and battery interface circuit, can be applicable to the illuminator that solar photoelectric and LED constitute ".The controller of being made by this utility model is split type, does not still have the technical problem that solution has the existing controller loss of solar street light height now, charge efficiency is low and the lamp light source luminous efficiency is low, the life-span is short.

Three, summary of the invention

At the existing technical problem of existing solar street light, the utility model provides a kind of high-efficiency solar street lamp light fixture, and its loss is little, the efficient height, and cancelled the split type controller in the solar street light.

The technical scheme that the utility model adopted is: a kind of high-efficiency solar street lamp light fixture, comprise lamp housing, and lamp stand joint, lampshade, LED plane lamp, this LED plane lamp be by wiring board, reflective mirror, led light source,

Photosensitive probe, control circuit, Four wire plug constitutes: some light emitting diodes are installed in the wiring board front form LED plane lamp, at the wiring board reverse side control circuit is installed, LED plane lamp and control circuit are integral.

How many LED numbers of elements is to decide according to supporting with it solar cell peak power, accumulator capacity and instructions for use.

The utility model high-efficiency solar street lamp light fixture adopts LED plane lamp by what, and the luminous efficiency of light source is up to 60 lumens/watt, and the life-span reached 5-10 ten thousand hours, and led light source does not have stroboscopic, and is dazzle-free, more favourable traffic safety; The positive plating of wiring board is made reflective mirror with the metal reflective layer, and the luminous flux space loss reduces greatly, has further improved the road lighting effect; Cancelled split type controller, solar cell reaches 99% to charge in batteries efficient, and battery reaches more than 98% to the led light source power supplying efficiency, and promptly the loss of control circuit is below 2%.The beneficial effects of the utility model, can also be verified from following test: by an efficient sun road lamp of above technical scheme making, 224 high-quality LED are housed on it, general power is 13 watts, this lamp is installed in overhead 6 meters aerial, 50 watts of supporting with it solar cell peak powers, 12 volt of 45 ampere-hour of accumulator jar capacity.In 2 meters scopes of diameter, recording average level illumination with illumination photometer is 20 Luxs below the light source center on 1.2 meters horizontal planes overhead; Change the electricity-saving lamp of equal-wattage then, the average level illumination that records is 12 Luxs, if connect split type controller, horizontal illumination also will reduce 10R-20%.

Four, description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 and Fig. 2 are structural representations of the present utility model: wherein Fig. 1 is a front view, and Fig. 2 is the A-A cutaway view.

Fig. 3 is the control circuit schematic diagram.

Among the figure 1, lamp housing, 2, the lamp stand joint, 3, lampshade, 4, LED plane lamp, 5, wiring board, 6, reflective mirror, 7, led light source, 8, photosensitive probe, 9, control circuit, 10, Four wire plug.

Five, the specific embodiment

Below in conjunction with embodiment and accompanying drawing the beneficial effect of the utility model and generation thereof is remake description.

Referring to Fig. 1, Fig. 2, a kind of high-efficiency solar street lamp light fixture comprises lamp housing (1), lamp stand joint (2), lampshade (3), LED plane lamp (4), this LED plane lamp (4) is by wiring board (5), reflective mirror (6), led light source (7), photosensitive probe (8), control circuit (9), Four wire plug (10) constitutes: some light emitting diodes are installed in wiring board (5) front form LED plane lamp (4), at wiring board (5) reverse side control circuit (9) is installed, LED plane lamp and control circuit are integral.

Referring to Fig. 1, Fig. 2, make reflective mirror (6) in the positive plating of wiring board (5) with the metal reflective layer, reduce the luminous flux space loss.

Referring to Fig. 3, an optocoupler IC1 is arranged in the control circuit (9), its 1 pin connects the 1. end of Four wire plug (5), 1. the positive pole of termination solar cell UT positive pole and diode DS; The 2 pin connecting resistance R1 of IC2, resistance R 1 connects the 2. end of Four wire plug (5), 2. termination solar cell UT negative pole; 3 pin of optocoupler IC1 connect 2 pin, 6 pin and the resistance R 2 of time-base integrated circuit IC2, and resistance R 2 is received common ground (D); 4 pin of optocoupler IC1 connect the negative pole of 4 pin, 8 pin and the diode DS of time-base integrated circuit IC2 by series resistance R2.At dusk, the 3 pin output low levels of optocoupler IC1,3 pin of time-base integrated circuit IC2 are exported the signal of turning on light; At dawn, 3 pin of optocoupler IC1 become high level, and modulating signal is closed in the 3 pin output of time-base integrated circuit IC2.At this, the output resistance of employing optocoupler changes distinguishes dawn and dusk, and adopts time-base integrated circuit to export the signal of turning off the light and turn on light, and its advantage is: driving force, and antijamming capability is strong, and loss is very low.

Referring to Fig. 3, the 3 pin output of time-base integrated circuit IC2 divides two-way: one road connecting resistance R4, and resistance R 4 connects photo resistance RG and capacitor C 1, and photo resistance and capacitor C 1 connect the base stage of switch triode T1, to realize switch triode T1 conducting all night, light one group of LED11 of light emitting diode all night; Another road connects 4 pin and 8 pin of potentiometer RW and time-base integrated circuit IC3,2 pin of termination IC2 and 6 pin and capacitor C 2 anodal formation timing circuits under the potentiometer RW, the 3 pin connecting resistance R5 of time-base integrated circuit IC3, resistance R 5 connects the base stage of switch triode T2, to realize that the timing after the switch triode T2 conducting ends, reach two groups of LED22 of light emitting diode before midnight to light the purpose that lamp puts out the time after midnight.Led light source divides two groups effect: both improves the road lighting brightness of before midnight, can save the battery electric energy again, and also can bright lamp under continuous overcast and rainy more than 10 day weather condition.

Referring to Fig. 3, the anodal U+ of the anodal connection circuit of one group of LED11 of light emitting diode, negative pole connects the colelctor electrode of switch triode T1; The anodal U+ of the anodal connection circuit of two groups of LED22 of light emitting diode, negative pole connects the colelctor electrode of switch triode T2.

Referring to Fig. 3, photo resistance RG inserts the base loop of switch triode T1, and the photosensitive probe of being done by photo resistance RG (8) is installed in led light source (7) next door, directly induction LED light-source brightness, easyly detect the cloudy eyeball situation of weather, and show with the resistance value size.Utilize the resistance value of photo resistance RG rain or shine to change with weather, reach battery crossed put, over-charge protective, its advantage is: line loss is low, the charge efficiency height of battery.

Referring to Fig. 3, voltage-stabiliser tube DW negative pole connects solar cell UT positive pole, and voltage-stabiliser tube DW positive pole connects solar cell UT negative pole.Do not change in several days if led light source has damaged, the abnormal conditions of charge in batteries overtension might take place under sunburst, at this moment voltage-stabiliser tube DW will play clamping action, and protection battery E is not endangered by overvoltage.In normal condition, voltage-stabiliser tube DW does not have loss.

Referring to Fig. 3, the operation principle of present embodiment is summarized as follows: daytime, solar cell UT output services voltage, 3 pin of optocoupler IC1 and 4 pin (output) resistance value are very low or tend to 0, make 2 pin and 6 pin (input) current potential 〉=2/3E of time-base integrated circuit IC2,3 pin (output) of time-base integrated circuit IC2 are low level (0V), i.e. VDD=0: switch triode T1 and T2 end, and two groups of LEDs 11 and LED22 do not work; At dusk, solar cell UT voltage becomes to being OV, the resistance of tending towards superiority of 3 pin of optocoupler IC1 and 4 pin (output), 2 pin of time-base integrated circuit IC2 and 6 pin (input) current potential≤1/3E, time-base integrated circuit IC2 upset, its 3 pin output high level, all conductings of switch triode T1 and T2, two groups of LEDs 11 and LED22 light simultaneously.Simultaneously, time-base integrated circuit IC3 has obtained working power with it, and 1 charging picks up counting to capacitor C by potentiometer RW, switch triode T2 to conducting carries out the conducting timing, setting time arrives, and light emitting diode group LED22 loop has been closed in time-base integrated circuit IC3 upset.At second day dawn, solar cell UT voltage is uprised by low, and optocoupler IC1 output resistance becomes 0, makes time-base integrated circuit IC2 and IC3 upset, has closed led light source group LED11 loop; Simultaneously, capacitor C 1 discharge is waited for once more regularly.Photosensitive probe (8) is installed in led light source (7) next door, play and regulate the effect of battery E output current automatically: when weather is overcast and rainy, battery E undercharge terminal voltage is low, the luminosity that causes led light source reduces, and after photosensitive probe is sensed, heightens the resistance value of RG automatically, switch triode T1 base current and collector current are reduced, be that light emitting diode group LED11 loop current reduces, thereby the electric current of battery E output is reduced, protected the unlikely under-voltage operation of battery E; Work as continuous sunny; especially in sunshine-duration in long summer; battery E charging interference terminal voltage is higher; the brightness that causes light source improves; photosensitive probe (4) is turned down the resistance value of RG automatically, and the base current of switch triode T1 and collector current are increased, and promptly light emitting diode group LED11 loop current increases; thereby battery E output current is increased, protected second day unlikely overcharging of battery E.Voltage-stabiliser tube DW has promptly damaged under the abnormal conditions that do not have in time to change at led light source as the second class protection of battery, and battery is carried out overvoltage protection.

Claims (6)

1, a kind of high-efficiency solar street lamp light fixture comprises lamp housing (1), lamp stand joint (2), lampshade (3), LED plane lamp (4), this LED plane lamp (4) is by wiring board (5), reflective mirror (6), led light source (7), control circuit (9) Four wire plug (10) constitutes, and it is characterized in that: some light emitting diodes are installed in the wiring board front form LED plane lamp, at the wiring board reverse side control circuit is installed, LED plane lamp and control circuit are integral.

2, high-efficiency solar street lamp light fixture according to claim 1 is characterized in that: the plating reflector layer is made reflective mirror (6) in wiring board (5) front.

3, the described high-efficiency solar street lamp light fixture of root a tree name claim 1 is characterized in that: some light emitting diodes are installed on the wiring board (5), are divided into two groups, one group of (LED11) anodal connection circuit positive pole of light emitting diode (U+), negative pole connects the colelctor electrode of switch triode (T1); Two groups of (LED22) anodal connection circuit positive poles of light emitting diode (U+), negative pole connects the colelctor electrode of switch triode (T2).

4, high-efficiency solar street lamp light fixture according to claim 1 is characterized in that; A photosensitive probe (8) is installed on led light source (7) next door.

5, high-efficiency solar street lamp light fixture according to claim 1 is characterized in that: at wiring board (5) back side, Four wire plug (10) is installed.

6, the described high-efficiency solar street lamp light fixture of root a tree name claim 5 is characterized in that: implement to be electrically connected with solar cell (UT) and battery (E) by Four wire plug (10).

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