CN2685701Y - Light-emitting diode road lamp - Google Patents

Light-emitting diode road lamp Download PDF

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Publication number
CN2685701Y
CN2685701Y CNU2004200439595U CN200420043959U CN2685701Y CN 2685701 Y CN2685701 Y CN 2685701Y CN U2004200439595 U CNU2004200439595 U CN U2004200439595U CN 200420043959 U CN200420043959 U CN 200420043959U CN 2685701 Y CN2685701 Y CN 2685701Y
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CN
China
Prior art keywords
light emitting
emitting diode
battery
triode
assembly
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Expired - Fee Related
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CNU2004200439595U
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Chinese (zh)
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彭洲龙
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Individual
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Individual
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Priority to CNU2004200439595U priority Critical patent/CN2685701Y/en
Priority to PCT/CN2005/000312 priority patent/WO2005093316A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
    • F21S9/032—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light the solar unit being separate from the lighting unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/085—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light
    • F21S8/086—Lighting devices intended for fixed installation with a standard of high-built type, e.g. street light with lighting device attached sideways of the standard, e.g. for roads and highways
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/103—Outdoor lighting of streets or roads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • 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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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Power Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Road Signs Or Road Markings (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The utility model discloses a road lamp of light emitting diodes, comprises an assembly formed by a plurality of light emitting diodes and a lamp shell. The pointing arrangement of illumination intensity of each light emitting diode in the lamp shell is determined according to the distance, the width and the shape of the preset illumination zone of the lamp. The assembly is a mixing circuit of parallel connection and series connection formed by the parallel connection of a plurality of branch circuits formed by the series connection after the parallel connection of more than two light emitting diodes. The electricity of the assembly is supplied by the accumulator. A power switch circuit controlling the power off and the power on of the assembly is positioned between the assembly and the accumulator. The accumulator is connected with a solar panel and the space between the accumulator and the solar panel is provided with a charging switch circuit. A charging and illumination control circuit connected with the solar panel, the accumulator, the switch circuit of the electricity source and the charging switch circuit is provided for controlling the solar panel to charge the electricity to the accumulator in daytime and the accumulator to supply the electricity to the assembly at night. The road lamp adopts the solar as the energy resource for illumination with the characteristics of energy saving, reliability, long service life, color variety and easy starting in low temperature.

Description

Light emitting diode road lamp
Technical field
The utility model relates to field of illuminating lamps, particularly a kind of light emitting diode road lamp of available solar energy power supply.
Background technology
Seen on the market street lamp all is traditional incandescent lamp, electricity-saving lamp, high-low pressure sodium vapor lamp or Halogen lamp LED basically at present, has the shortcoming that energy consumption is big, the life-span short, low temperature is difficult for startup.The LED light lamp that utilizes a plurality of monomer light emitting diodes to constitute, occur on the market, mainly be by routine exchange, DC power supply, have that color change is abundant, energy-conservation (spectrum is almost entirely in visible-range), life-span are long, the easy advantage of startup of low temperature.That solar energy then has is inexhaustible, use not to the utmost, the advantage of environmental protection.Yet, because the restriction of existing solar battery technology development level and Changes in weather, the restriction of defective such as the light emitting diode arrangement architecture that especially is subjected to the prior art light emitting diode road lamp is unreasonable, the control circuit power consumption is big, so that at present also impracticable with solar powered light emitting diode road lamp, be in research, stage of fumbling.
Summary of the invention
Task of the present utility model is the defective that will overcome prior art, designs that long, color of a kind of energy-conservation, reliable, life-span is can conversion various, low temperature easily starts, and can utilize the light emitting diode road lamp of solar powered illumination.
The technical solution of the utility model is as follows:
A kind of light emitting diode road lamp, comprise assembly, the lamp housing formed by a plurality of light emitting diodes, it is characterized in that described each light emitting diode points to arrangement according to the determined illumination of distance, width, the shape of this predefined field of illumination of lamp in described lamp housing.
Described assembly be a kind of by be formed in parallel between several branch roads of being constituted of series connection after two above light emitting diode parallel connections, again also, series mixing circuit.
Described assembly is provided with the power switch circuit that controllable components is bright, go out by storage battery power supply between assembly and battery; Be connected with a solar panel with battery, between has a charge switch circuit; With solar panel, battery, power switch circuit and charge switch circuit be connected with one the charging, illumination control circuit, it can be controlled solar panel and charge a battery daytime, night by battery to assembly power supply.
Further improving is to be provided with lampshade on described lamp housing, and the sensitive surface of lampshade and described solar panel scribbles printing opacity and has the nano paint of self-cleaning function.
Furthermore, described charging, illumination control circuit detect control circuit by battery overvoltage, undervoltage detection circuit, charging control circuit and daylight and constitute; Described illumination timing control circuit is the long delay control circuit that is made of counter.
The ingenious linearity of utilizing lumination of light emitting diode of the utility model (along the luminous illumination directional property of normal direction), light emitting diode will be arranged by rectangular planes (band shape) or curved surface, the conical surface or sphere in lamp housing according to the interval of illumination, make the light of each light emitting diode can be directed to the zone that requires illumination, need not the necessary reflection shield of traditional lighting light fixture, made full use of efficient light sources, made the luminous efficiency maximization of street lamp.Because light emitting diode can start under very low temperature, the life-span is long, the shortcoming that overcome traditional high-low pressure sodium vapor lamp thus, the Halogen lamp LED energy consumption is big, the life-span short, low temperature is difficult for startup.Because the nano paint that adopted printing opacity, has a good self-cleaning function is sprayed on the sensitive surface of lampshade and solar panel, dust is difficult for sticking on lampshade and the solar panel and further can reduces the light loss that causes because of environmental pollution.Because almost entirely in visible-range, its luminous inversion or ballast of need not can be saved a lot of energy again than conventional road lamp for the spectrum of light emitting diode.Because adopt the switch control element of the minimum FET of the conduction voltage drop of knowing clearly as photovoltaic cell module, battery and light switch circuit, and the direct ground connection that makes it to drain, the efficient that discharges and recharges and throw light on further improved.Evidence, the employing of above-mentioned measure make the utility model possess good practicability.
Description of drawings
Fig. 1 is a kind of arrangement mode schematic diagram of light emitting diode in the utility model;
Fig. 2 is the another kind of arrangement mode schematic diagram of light emitting diode in the utility model;
Fig. 3 is another arrangement mode schematic diagram of light emitting diode in the utility model;
Fig. 4 is another arrangement mode schematic diagram of light emitting diode in the utility model;
Fig. 5 is a kind of physical circuit connection diagram of light emitting diode in the utility model;
Fig. 6 is the circuit block diagram of the utility model charge and discharge and illumination control;
Fig. 7 is a kind of physical circuit schematic diagram of Fig. 6;
Fig. 8 is that Fig. 2 light emitting diode and lamp holder are combined schematic diagram;
Fig. 9 is a kind of external structure schematic diagram of the utility model street lamp.
Below in conjunction with specific embodiment 1-4, the utility model is described in further detail.
The specific embodiment
Embodiment 1:
Shown in Fig. 1,5,9, a kind of light emitting diode road lamp comprises assembly 3, the lamp housing 7 formed with 5,600 LEDs.Assembly 3 is by tens of branch road B be formed in parallel (only showing for simplicity, 4 branch roads, 40 light emitting diodes) among the figure.Branch road B be a kind of also, the series hybrid branch road: after two light emitting diode parallel connections, series connection constitutes again.Each LED is arranged in parallel according to the determined field of illumination of rectangular planes in lamp housing 7, fixes in the circuit board, and the light that LED sent during use directly faces earthward.So connect, can improve the reliability of assembly 3 greatly, prolong its life-span.
Assembly 3 is by battery 2 power supply (as shown in Figure 6), is provided with the power switch circuit 6 that controllable components is 3 bright, go out between assembly 3 and battery 2; Be connected with a solar panel 1 with battery 2, between has a charge switch circuit 5; Be connected with a charging, illumination control circuit 4 with 2 chargings of control solar panel accumulators on 1 daytime with solar panel 1, battery 2, power switch circuit 6 and charge switch circuit 5, powered to assembly 3 by battery 2 night.Also be provided with the illumination timing control circuit in charging, the illumination control circuit 4, it detects control circuit by battery overvoltage, undervoltage detection circuit, charging control circuit and daylight and constitutes; The illumination timing control circuit is the long delay control circuit that is made of counter.
(as shown in Figure 7) specifically, overvoltage, undervoltage detection circuit comprise overvoltage, under-voltage comparator (MC3425) IC1, the overvoltage signal input part 1.3 of comparator IC1 detects electric resistance partial pressure branch road (being made of resistance R 9, resistance R 10, adjustable resistance RW1) with the overvoltage that is connected battery 2 the two poles of the earth and links to each other, and the overvoltage control signal output 1.1 of comparator IC1 links to each other with charge switch circuit 5.Charge switch circuit 5 is a kind of on-off circuits that are made of the first triode T1, photoelectricity coupling triode PE, the first fet T2 and resistance R 1, resistance R 2, resistance R 3.The source electrode of the first fet T2 and drain electrode are connected between the negative pole of the negative pole of solar panel 1 and battery 2, its grid is controlled by the first triode T1 and photoelectricity coupling triode PE, the positive pole of solar panel 1 links to each other with the positive pole of battery 2 through diode D1, to the charging of battery 2 checks (only charging is not discharged).Sight detects control circuit and comprises that one is connected across the bias pressure resistance branch (being made of resistance R 4 and adjustable resistance RW2) between the negative pole of the positive pole of solar panel 1 and battery 2, the output voltage signal of solar panel links to each other through its base stage with the second triode T3, the emitter stage of the second triode T3 links to each other with the negative pole of battery 2, and its colelctor electrode controls the break-make of described power switch circuit 6; Power switch circuit 6 comprises the second fet T5, its grid links to each other with the colelctor electrode of the second triode T3, its source electrode and drain electrode are connected between the negative pole of the negative pole of battery 2 and described assembly 3, the positive pole of assembly 3 links to each other with the positive pole of battery 2, the break-make controllable components 3 of the second fet T5 bright or go out.
Also be parallel with the 3rd triode T4 between the emitter and collector of the second triode T3, the under-voltage signal output part 1.6 of itself and comparator IC1 joins, the under-voltage signal input part 1.4 of comparator IC1 links to each other with the under-voltage detection electric resistance partial pressure branch road (being made up of resistance R 8, resistance R 11, adjustable resistance RW3) that is connected described battery 2 the two poles of the earth, when battery 2 undertensions, it can control described assembly 3 outages by the second fet T5.The illumination timing control circuit comprises the 3rd fet T6, its source electrode and drain electrode are serially connected between the source electrode and drain electrode of the described assembly 3 and the second fet T5, and its grid is controlled by the timing control circuit that can set delay time in a few hours arbitrarily that is made of 14 binary string linage-counter IC2 (CD4060), rc-delay circuit (being made of resistance R 16, resistance R 17, resistance R 18, capacitor C 2, time switch K2), delay trigger circuit and delay switch circuit.Delay trigger circuit is made of resistance R 23 and the 4th triode T6, is serially connected between the time-delay trigger end 2.8 of the grid of the described second fet T5 and binary string linage-counter IC2; Delay switch circuit is made of capacitor C 3, resistance R 19, resistance R 20, resistance R 21, resistance R 22 and the 5th triode T7, the base stage of the 5th triode T7 links to each other with the time-delay output 2.3 of serial counter IC2, the colelctor electrode of the 5th triode T7 links to each other with the grid of described the 3rd fet T6, the emitter stage of the 5th triode T7 links to each other with the colelctor electrode of the 4th triode T6, when described solar panel 1 darkness output low level, time-delay output 2.3 controls the 3rd fet T6 conducting and the time delayed turn-off of serial counter IC2.
The MOSFET FET has the advantage of saturation voltage drop little (0.03-0.01V), and first, second and third fet T2, T5, T6 are the high-power MOSFET FET.Its drain electrode directly is connected on the ground, can improves sensitivity, reliability and the efficient of switch control greatly.The FET of being controlled by the photoelectricity coupling circuit is adopted near end in the solar recharging loop, over-charge protective and charging and discharging circuit is not disturbed mutually, purpose accurately and reliably.
Between the source electrode of the 3rd fet T6 and drain electrode, be provided with manual time-delay shielding gauge tap K1.When need not to throw light on timing controlled, can manually control, very convenient.
As shown in Figure 8: lamp housing 7 is provided with lampshade 8, and the sensitive surface of lampshade 8 and solar panel 1 scribbles printing opacity, dustproof, nano paint that self-cleaning is good.
Embodiment 2 to 4:
Different is with embodiment 1
LED is arranged by the face of cylinder (shown in Fig. 2,8), sphere (shown in Figure 3) or taper seat (shown in Figure 4) in assembly 3.Certainly, also can be other model curved surface.The advantage of curved surface is bigger, more energy-conservation, richer artistic feeling than the flat illumination zone, this be conventional lamp can not than.LED is welded on the flexible PCB, is fixed in the lampshade 8, and its color can be decided with design.
Among Fig. 8, light emitting diode presses in assembly 3 that arc-shaped curved surface (cylinder) arranges.Lamp totally be semi-cylindrical, during use, one of LED face down (towards the road surface) is arranged.Lamp holder 10 is positioned at an end of light emitting diode road lamp.
Fig. 9 is the assembly schematic diagram of light emitting diode road lamp (combining with electric pole).Solar panel 1 is at the end face of lamp housing 7, and lampshade 8 is in the bottom surface of lamp housing 7.

Claims (11)

1, a kind of light emitting diode road lamp, comprise assembly (3), the lamp housing (7) formed by a plurality of light emitting diodes (LED), it is characterized in that described each light emitting diode (LED) points to arrangement according to the determined illumination of distance, width, the shape of this predefined field of illumination of lamp in described lamp housing (7).
2, light emitting diode road lamp according to claim 1 is characterized in that described light emitting diode (LED) is by rectangular planes, the face of cylinder, taper seat or sphere arrangement.
3, light emitting diode road lamp according to claim 1, it is characterized in that described assembly (3) be a kind of by be formed in parallel between several branch roads (B) of being constituted of series connection after a plurality of light emitting diode parallel connections, again also, series mixing circuit.
4, light emitting diode road lamp according to claim 3, it is characterized in that described assembly (3) be a kind of by be formed in parallel between several branch roads (B) of being constituted of series connection after two light emitting diode parallel connections, again also, series mixing circuit.
5,, it is characterized in that described assembly (3) by battery (2) power supply, is provided with the power switch circuit (6) that controllable components (3) is bright, go out between assembly (3) and battery (2) according to claim 1,2,3 or 4 described light emitting diode road lamps; Be connected with a solar panel (1) with battery (2), between has a charge switch circuit (5); Be connected with a charging, illumination control circuit (4) with solar panel (1), battery (2), power switch circuit (6) and charge switch circuit (5), it can control solar panel (1) accumulators on daytime (2) charging, and powered to assembly (3) by battery (2) night.
6, light emitting diode road lamp according to claim 5 is characterized in that being provided with lampshade (8) on described lamp housing (7), the sensitive surface of lampshade (8) and described solar panel (1) scribbles printing opacity and has the nano paint of self-cleaning function.
7, light emitting diode road lamp according to claim 5 is characterized in that also being provided with the illumination timing control circuit at described charging, illumination control circuit in (4).
8, light emitting diode road lamp according to claim 7 is characterized in that described charging, illumination control circuit (4) detect control circuit by battery overvoltage, undervoltage detection circuit, charging control circuit and daylight and constitute; Described illumination timing control circuit is the long delay control circuit that is made of counter.
9, light emitting diode road lamp according to claim 8, it is characterized in that described overvoltage, undervoltage detection circuit comprise overvoltage, under-voltage comparator (IC1), the overvoltage signal input part (1.3) of comparator (IC1) detects electric resistance partial pressure branch road (R9, R10, RW1) with the overvoltage that is connected described battery (2) the two poles of the earth and links to each other, and the overvoltage control signal output (1.1) of comparator (IC1) links to each other with described charge switch circuit (5); Charge switch circuit (5) is a kind of on-off circuit that is made of first triode (T1), photoelectricity coupling triode (PE), first fet (T2) and resistance (R1, R2, R3), and the base stage of first triode (T1) is joined through current limliting (R24) and overvoltage control signal output (1.1); The source electrode of first fet (T2) and drain electrode are connected between the negative pole of the negative pole of described solar panel (1) and battery (2), its grid is controlled by first triode (T1) and photoelectricity coupling triode (PE), the positive pole of solar panel (1) links to each other through the positive pole of diode (D1) with battery (2), charges to battery (2) check; Described daylight detects control circuit and comprises that one is connected across the bias pressure resistance branch (R4, R5, RW2) between the negative pole of the positive pole of solar panel (1) and battery (2), the output voltage signal of solar panel links to each other through its base stage with second triode (T3), the emitter stage of second triode (T3) links to each other with the negative pole of battery (2), and its colelctor electrode controls the break-make of described power switch circuit (6); Power switch circuit (6) comprises second fet (T5), its grid links to each other with the colelctor electrode of second triode (T3), its source electrode and drain electrode are connected between the negative pole of the negative pole of battery (2) and described assembly (3), the positive pole of assembly (3) links to each other with the positive pole of battery (2), the break-make controllable components (3) of second fet (T5) bright or go out.
10, light emitting diode road lamp according to claim 9, it is characterized in that between the emitter and collector of described second triode (T3), also being parallel with the 3rd triode (T4), the under-voltage signal output part (1.6) of itself and described comparator (IC1) joins, the under-voltage signal input part (1.4) of comparator (IC1) links to each other with the under-voltage detection electric resistance partial pressure branch road (R8, R11, RW3) that is connected described battery (2) the two poles of the earth, when described battery (2) undertension, it can control described assembly (3) outage by described second fet (T5); Described illumination timing control circuit comprises the 3rd fet (T6), its source electrode and drain electrode are serially connected between the source electrode and drain electrode of described assembly (3) and described second fet (T5), and its grid is controlled by the timing control circuit that is made of binary string linage-counter (IC2), capacitance-resistance time-delay oscillating circuit (R16, R17, R18, C3, K2), delay trigger circuit and delay switch circuit; Delay trigger circuit is made of resistance (R23) and the 4th triode (T6), is serially connected between the time-delay trigger end (2.8) of the grid of described second fet (T5) and binary string linage-counter (IC2); Delay switch circuit is by electric capacity (C3), resistance (R19, R20, R21, R22) and the 5th triode (T7) constitute, the base stage of the 5th triode (T7) links to each other with the time-delay output (2.3) of serial counter (IC2), the colelctor electrode of the 5th triode (T7) links to each other with the grid of described the 3rd fet (T6), the emitter stage of the 5th triode (T7) links to each other with the colelctor electrode of the 4th triode (T6), when described solar panel (1) darkness output low level, control the 3rd fet (T6) conducting of the time-delay output (2.3) of serial counter (IC2) and time delayed turn-off.
11, light emitting diode road lamp according to claim 10 is characterized in that being provided with manual time-delay shielding gauge tap (K1) between the source electrode of described the 3rd fet (T6) and drain electrode.
CNU2004200439595U 2004-03-25 2004-03-25 Light-emitting diode road lamp Expired - Fee Related CN2685701Y (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CNU2004200439595U CN2685701Y (en) 2004-03-25 2004-03-25 Light-emitting diode road lamp
PCT/CN2005/000312 WO2005093316A1 (en) 2004-03-25 2005-03-15 Leds based street lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2004200439595U CN2685701Y (en) 2004-03-25 2004-03-25 Light-emitting diode road lamp

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Publication Number Publication Date
CN2685701Y true CN2685701Y (en) 2005-03-16

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