CN101446396A

CN101446396A - LED street lamp

Info

Publication number: CN101446396A
Application number: CNA2008102266926A
Authority: CN
Inventors: 商松
Original assignee: Beijing Jushu Digital Technology Development Co Ltd
Current assignee: Guangyu Brocade Industry (wuhan) Intelligent Technology Co Ltd
Priority date: 2008-11-20
Filing date: 2008-11-20
Publication date: 2009-06-03
Anticipated expiration: 2028-11-20
Also published as: CN101446396B

Abstract

The invention discloses an LED street lamp, comprising a lamp post and a lamp body, wherein, the lamp body comprises a lamp holder and a PCB plate; the lamp holder is a plane plate, and the PCB plate is fixed on the lamp holder; the PCB plate is provided with a power cord, a signal wire, at least one group of LEDs and a control module thereof; the PCB plate and the surface of the lamp holder which faces to the LEDs are respectively provided with a film to reflect light. The street lamp has simple structure, wide illumination range and relatively centralized light.

Description

A kind of LED street lamp

Technical field

The present invention relates to a kind of LED lighting device, in particular, a kind of LED street lamp.

Background technology

Because the LED street lamp has characteristics such as life-span length, high light source, radiationless, low-power consumption, the LED semiconductor light sources has obtained application widely at lighting field in recent years.In the prior art, in the general LED street lamp a bowl-shape prefocus cup is set all, is used to make light to concentrate and penetrates, but because street lamp application outdoor, and be used for the road surface and throw light on a large scale, light beam is too concentrated, and illumination range is diminished.

Therefore, there is defective in prior art, needs to improve.

Summary of the invention

Technical problem to be solved by this invention is, a kind of simple in structure, illumination range big and light is concentrated relatively LED street lamp is provided.

Technical scheme of the present invention is as follows: a kind of LED street lamp, comprise lamp stand and the lamp body that is fixed on the described lamp stand, and wherein, described lamp body comprises lamp socket and pcb board; Described lamp socket is a plane plate, and described pcb board is fixed on the described lamp socket; Power line, holding wire, at least one group of LED light emitting diode and control module thereof are set on the described pcb board; On described pcb board and described lamp socket and the LED light emitting diode facing surfaces rete is set respectively, is used for reflection ray.

Described LED street lamp wherein, is provided with a recess on the described lamp socket, described pcb board is fixed in the described recess, and forms a plane plate with described lamp socket.

Described LED street lamp, wherein, described lamp socket is a circular flat plate, each is organized the LED light emitting diode and evenly is arranged on the described lamp socket.

Described LED street lamp, wherein, each LED light-emitting diode arrangement becomes a rhombus in each group LED light emitting diode.

Described LED street lamp, wherein, each group LED light emitting diode comprises at least 1 red LED light emitting diode, at least 1 green LED light emitting diode and at least 1 blue led light emitting diode.

Described LED street lamp, wherein, in each group LED light emitting diode, red LED light emitting diode, green LED light emitting diode are 3:2:1 with the quantity ratio of blue led light emitting diode.

Described LED street lamp, wherein, described lamp socket is at least one metallic plate.

Described LED street lamp, wherein, described rete is a reflective metal film, and, evenly be arranged on the surface of described pcb board and described lamp socket.

Described LED street lamp wherein, also is provided with at least one fixture on the described lamp socket, be used for described lamp body is fixed on described lamp stand.

Described LED street lamp, wherein, described LED street lamp also is provided with a solar energy equipment that is fixed on the described lamp stand, and described solar energy equipment comprises solar panel, battery and electric-controlled switch, is connected to each control module by described power line.

Described LED street lamp, wherein, described LED street lamp also comprises a lampshade, described lampshade is provided with an optical waveguide layer, is used for evenly deriving light.

Adopt such scheme, the present invention is set to the plane plate by lamp socket, and the surface of lamp socket and pcb board is provided with a rete, and structure is very simple; Be radiated at the light of rete, reflect away to photograph face, can strengthen the light intensity of shadow surface by rete; And because lamp socket is the plane plate, so the angular field of view of light can reach 180 degree.

Description of drawings

Fig. 1 is an overall schematic of the present invention;

Fig. 2 is the schematic diagram of lamp body among the present invention;

Fig. 3 is a pcb board schematic diagram among the present invention;

Fig. 4 is the schematic diagram of embodiments of the invention 3;

Fig. 5 is the schematic diagram of embodiments of the invention 4;

Fig. 6 is the schematic diagram of embodiments of the invention 5;

Fig. 7 is the schematic diagram of embodiments of the invention 7;

Fig. 8 is the schematic diagram of embodiments of the invention 8.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.

Embodiment 1

As depicted in figs. 1 and 2, the LED street lamp of present embodiment, comprise lamp stand and lamp body 1, wherein lamp stand comprises a mobile jib 3 and a pole 2, mobile jib 3 is used to support the whole LED street lamp, and it is a certain in the localities specific that the LED street lamp can be fixed on, and pole 2 is used to make top, lamp body 1 extended road surface, be used for the illumination on road surface

Lamp body 1 comprises lamp socket 101 and pcb board 102; Wherein lamp socket 101 is set to a plane plate, and pcb board 102 is fixed on the lamp socket 101; Pcb board 102 can be fixed on the lamp socket 101, for example by fixed cell: adopt conventional fixed form such as screw, rivet, welding unit, stickup unit.

As shown in Figure 3, a positive source line 201, a power-polar curve 203, at least one holding wire 202 are set, at least one LED light emitting diode 104 and control module 204 on the pcb board 102.The positive and negative polar curve of power supply can provide voltage for the LED street lamp, and LED light emitting diode 104 is used for the illumination on road surface as light source.Control module 204 is used for driving control LED light emitting diode, and according to each holding wire 202 control signals transmitted, drive the LED light emitting diode of control varying number, make each LED light emitting diode can realize that different brightness change, and mutually combine between each LED light emitting diode and be the variation of different colours.

For example: the control chip ZQL9712 that control module 204 is produced for the Beijing Zhongqing Micro-digit Equipment Development Co., Ltd, four the control signal wire transmission of control signals of control chip ZQL9712 by forming by four leads, and, according to control signals transmitted, drive 3 LED light emitting diodes of control, or drive a plurality of versicolor LED light emitting diodes of control.

In addition, LED light emitting diode 104 comprises red LED light emitting diode, blue led light emitting diode and green LED light emitting diode, can comprise wherein a kind of color or wherein any two kinds of colors or three kinds of color LED light emitting diodes wherein in the LED street lamp, be that the LED light emitting diode that is provided with in the LED street lamp can be provided with quantity and color according to actual needs.For example in the LED street lamp 102 only red LED light emitting diode is set, or 3 LED light emitting diodes are set in the LED street lamp 102, comprising 1 red LED light emitting diode, 1 blue led light emitting diode and 1 green LED light emitting diode.

Usually, in order to realize the illuminating effect of LED street lamp well, the LED light emitting diode 104 general high-power LED light emitting diodes that adopt, and in the LED street lamp, one group of above LED light emitting diode can be set, every group LED light emitting diode wherein, comprise at least 1 red LED light emitting diode, at least 1 green LED light emitting diode and at least 1 blue led light emitting diode, the LED light emitting diode group that comprises three kinds of colors can be by the independent respectively control of control module, cooperatively interact and send versicolor light, especially penetrate the needed white light of illumination.

And for example, LED light emitting diode 104 can also comprise at least one White LED light emitting diode, and the White LED light emitting diode can be powerful White LED light emitting diode.

As shown in Figure 2, the surface of pcb board 102 and lamp socket 101 also is provided with a rete 103, generally on pcb board 102 and lamp socket 101 surface relative, rete 103 is set with the LED light emitting diode, rete 103 can be a reflexed light film, usually, the light-emitting area of LED light emitting diode is arranged on one side relative with ground, and lamp socket 101 is arranged on one side opposite with the LED light emitting surface of light emitting diode, the light that the LED light emitting diode sends is to penetrating all around, a part shines on the ground, another part is radiated on the surface of lamp socket 101 and pcb board 102, the light that is radiated at lamp socket 101 and pcb board 102 surfaces reflects earthward through reflexed light film 103, can strengthen the light intensity on ground.

Rete 103 preferably be a metal reflective rete, the metal reflective rete has extraordinary heat resistance and corrosion resistant performance, and reflective metal film evenly is arranged on the surface of described pcb board and described lamp socket, can make the light that reflects also more even frequently.

For ease of heat radiation, described lamp socket can be a metallic plate, or the combination of polylith metallic plate.On this basis, the metal reflective rete can be wholely set with metallic plate, also can be the plated film of metallic plate.

In addition, because lamp socket 101 is set to the plane plate, the direct directive of the light portion that the LED light emitting diode sends ground, another part is directive ground after rete 103 reflections, and the visual angle of light is very wide, can make the LED street lamp reach the angular field of view of 180 degree.

Embodiment 2

On the basis of embodiment 1, many positive source lines 201 and many power-polar curves 203 can also be set on the pcb board 102.

Wherein each power circuit can be set to comprise many cathode power supply circuits and many negative power supply circuits, each cathode power supply line is connected with external power supply respectively with each anode power cord, be used to LED light-emitting diodes 104 pipes that voltage is provided, with each the LED light emitting diode in the assurance LED street lamp and the operate as normal of other electronic devices and components; Other electronic devices and components can be for control module 204 or for preventing the excessive resistance of installing of electric current etc.

Be provided with align more, the negative power supply circuit can be connected with LED light emitting diode and other electronic devices and components respectively, a certainly aligning, when the negative power supply circuit disconnects, do not influencing the operate as normal of other positive and negative electrode power circuits; Also can be with a pair of positive and negative electrode power circuit wherein as main power line, other positive and negative electrode power circuits are as the stand-by power supply line, power line has multiple assurance, makes when main power line disconnects, and does not influence the operate as normal of LED light emitting diode and other electronic devices and components.

Control module 204 can also be set to the single line transmission control module, and the control signal wire of single line transmission of control signals only is a control signal wire 202 of being made up of a lead.

For example: the single line control chip ZQL1111 that single line control module 204 is produced for the Beijing Zhongqing Micro-digit Equipment Development Co., Ltd, the control signal wire transmission of control signals of single line control chip ZQL1111 by forming by a lead, and, according to control signals transmitted, drive 3 different LED light emitting diodes of control.

Embodiment 3

Show that as Fig. 4 in embodiment 1, a recess 401 can also be set on the lamp socket 101, described pcb board 102 is fixed in the described recess 401.The size shape of recess 401 is according to the size shape setting of pcb board 102, and for example, recess 401 is set to a recess in only ccontaining pcb board 102 spaces, and pcb board 102 can directly prevent in the recess, and be fastened in the recess 401.

For example, pcb board is bar shaped, and then described recess can be a groove.

In addition, also fixed cell can be set, pcb board 102 is fixed in the recess 401, for example, the stickup unit is set, pcb board 102 is placed in the recess 401, and sticks in the recess by pasting the unit; And for example, the installation recess is set in recess, suitable raised line is set on the pcb board 102, pcb board 102 is fixed in the recess 401 by adaptive recess and raised line.In addition, plug-in unit, clamping unit, shaft connection unit or the like can also be set, as long as pcb board 102 can be fixed on recess.

Rete 103 most preferred modes are to cover on the surface of pcb board 102 and lamp socket 101 by the mode of overlay film; In addition, rete 103 also can first moulding after, fix by fixed cell again.Fixed form can be the fixed form of various routines, for example: screw, screw, rivet, latch or the like.

And the present embodiment pcb board also can be one-body molded with lamp socket 101, promptly is set to an integral body.

Embodiment 4

As shown in Figure 5, on the basis of the various embodiments described above, in the LED street lamp of present embodiment, lamp socket 103 can be set to a circular flat plate, be set to cover a rete on the lamp socket of circular flat plate, light sends from the LED light emitting diode on the circular plate, and, to around shine out, light is more even.

Each is organized LED light emitting diode 501 and evenly is arranged on the described lamp socket, for example, circular plate 103 is provided with three groups of LED light emitting diodes, includes at least 1 red LED light emitting diode, at least 1 blue led light emitting diode and at least 1 green LED light emitting diode in every group of LED light emitting diode; Three groups of LED light emitting diodes evenly are arranged in the circular plate 103, as arrange and be three groups of LED light emitting diodes of equilateral triangle.Evenly arrange respectively organize the LED light emitting diode can make present embodiment LED street lamp whole luminous evenly.

Implement 5

As shown in Figure 6, in embodiment 4, in each group LED light emitting diode 501, because the luminous efficiency of red light emitting diodes 601, green LED 602 and blue LED 603 increases gradually, be that red LED light emitting diode 601 luminous efficiencies are minimum, blue led light emitting diode 603 luminous efficiencies are the highest.In the present embodiment, red LED light emitting diode 601, green LED light emitting diode 602 are set to 3:2:1 with the quantity ratio of blue led light emitting diode 603, this moment, the LED lumination of light emitting diode efficient of three kinds of colors equated, in each group LED light emitting diode, comprise 601,4 green LED light emitting diodes 602 of 6 one red LED light emitting diodes and 2 blue LEDs 603, and each LED light-emitting diode arrangement diamondwise, as shown in Figure 5, at this moment, the light intensity utilization rate of each LED light emitting diode is the highest, and display effect is best.

Embodiment 6

On embodiment 1 to 5 arbitrary basis, on the described LED lamp socket at least one fixture is set also, fixture is used for fixing described LED street lamp, and usually, fixture is used for the LED street lamp is fixed on lamp stand.

Fixture can be screw, latch, rivet, clamping part etc., as long as the LED street lamp is fixed on the lamp stand.

Embodiment 7

As shown in Figure 7, on embodiment 1 to 6 arbitrary basis, described LED street lamp also is provided with a solar energy equipment 701, described solar energy equipment 701 comprises a solar panel and a battery, and solar panel is placed in the sun, and being used for transform light energy is electric energy, and be stored in the battery, battery is used for providing voltage to the LED street lamp, and solar panel is electrically connected with battery, and battery is electrically connected with the LED street lamp.Solar energy equipment 701 is fixed on the mobile jib 3 by pole 702, and pole 702 can interfix by various fixtures with mobile jib 3, for example, and screw, latch, rivet, clamping part etc.

The circuit that connects each LED street lamp or street lamp and solar energy equipment etc. can be hidden on each lamp stand, and for example lamp stand can be provided with one and place the recess or the groove of circuit, or an internal cavity etc. is set.

Embodiment 8

As shown in Figure 8, on embodiment 1 to 7 arbitrary basis, present embodiment LED street lamp also comprises a lampshade 801, and the surface of described lampshade 801 also is provided with an optical waveguide layer 802, and perhaps, described lampshade is provided with an optical waveguide layer, is used for evenly deriving light; Perhaps, described lampshade is an optical waveguide layer.

Optical waveguide layer 802 itself can leaded light, for example, the optical waveguide layer 802 that optical waveguide layer 802 can be made for the acrylic plate material, the light that the LED light emitting diodes that are provided with in the lampshade 801 send, can behind optical waveguide layer 802, evenly derive, optical waveguide layer 802 can make through lampshade 801 lip-deep distribution of light even, and uniform irradiation is on the road surface.

Optical waveguide layer 802 can be arranged on the inner surface of lampshade 801 by the mode of overlay film or plated film, also can be arranged on the outer surface of lampshade 801, also on lampshade 801 inner surfaces and outer surface one deck optical waveguide layer 802 is set respectively, and light will more evenly be derived like this.

Lampshade 801 can be implemented the effect that the LED street lamp plays protection to this, for example, and protective effects such as dustproof, waterproof, protection against electric shock.

In addition, lampshade 801 is except the mode that can adopt fixed cell is fixed on the lamp socket 101, can also a fixed part 803 be set at lampshade 801, and described lamp socket 101 is provided with corresponding fixed bit, lampshade 801 is fixedlyed connected with fixed bit by the fixed part of correspondence with lamp socket 101.

For example, an external screw thread is set on the lampshade 801, a internal thread under concaving is set on the lamp socket 101, lampshade 801 and lamp socket 101 fixedly are spirally connected by adaptive internal and external threads.

And for example, a latch is set on the lampshade 801, corresponding pin hole is set on the lamp socket 101, lampshade 801 is fixed by latch and pin hole with lamp socket 101 and is pegged graft.

And for example, have the clamp that is wholely set with lampshade on the lampshade 801, be provided with and the corresponding fixed bit of clamp on the lamp socket 101, clamp embeds in the lamp socket, and is fixed on the fixed bit, with realization lampshade is fixed on the lamp socket 101.Perhaps also buckle and draw-in groove can be set at lampshade 801 with on lamp socket 101 respectively, lampshade 801 and lamp socket 101 are by corresponding buckle and fixedly clamping of draw-in groove.

Embodiment 9

On embodiment 1 to 8 arbitrary basis, for the heat in the LED street lamp is in time distributed, in order to avoid burn out the interior electronic devices and components of LED street lamp.On the lamp socket 101 heat abstractor can also be set, heat abstractor can be set to fin, heat sink, radiator fan etc., most preferably be fin, and fin can be one-body molded with lamp socket, heat abstractor is being had preferably under the heat dispersion, and it is minimum that the volume that takies reaches.Correspond to the lamp socket of plane tabular, generally have two sides and the side more than 1, for example: be the lamp socket of circular plate, have two sides and a side; And for example, lamp socket is a tetragonal plane plate, and then lamp socket has two sides and four sides.

Heat abstractor can be arranged on the lamp socket arbitrary side or side wherein, or on wherein the two sides or side, or on wherein a plurality of sides or side.

Heat abstractor can also be one-body molded with lamp socket, is set to an integral body as adopting fin and lamp socket.Can make present embodiment LED lamp post structure simpler like this, fin combines more fastening with lamp socket.

In above-mentioned each example, described LED light emitting diode can be OLED (Organiclight-emitting diode, an Organic Light Emitting Diode), and the present invention does not make any additional limits to this.

Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.

Claims

1, a kind of LED street lamp comprises lamp stand and the lamp body that is fixed on the described lamp stand, it is characterized in that,

Described lamp body comprises lamp socket and pcb board;

Described lamp socket is a plane plate, and described pcb board is fixed on the described lamp socket;

Power line, holding wire, at least one group of LED light emitting diode and control module thereof are set on the described pcb board;

On described pcb board and described lamp socket and the LED light emitting diode facing surfaces rete is set respectively, is used for reflection ray.

2, LED street lamp according to claim 1 is characterized in that, a recess is set on the described lamp socket, and described pcb board is fixed in the described recess, and forms a plane plate with described lamp socket.

3, LED street lamp according to claim 1 is characterized in that, described lamp socket is a circular flat plate, and each is organized the LED light emitting diode and evenly is arranged on the described lamp socket.

4, LED street lamp according to claim 3 is characterized in that, each LED light-emitting diode arrangement becomes a rhombus in each group LED light emitting diode.

5, LED street lamp according to claim 3 is characterized in that, each group LED light emitting diode comprises at least 1 red LED light emitting diode, at least 1 green LED light emitting diode and at least 1 blue led light emitting diode.

6, LED street lamp according to claim 5 is characterized in that, in each group LED light emitting diode, red LED light emitting diode, green LED light emitting diode are 3:2:1 with the quantity ratio of blue led light emitting diode.

7, LED street lamp according to claim 1 is characterized in that, described lamp socket is at least one metallic plate.

8, LED street lamp according to claim 1 is characterized in that, described rete is a reflective metal film, and, evenly be arranged on the surface of described pcb board and described lamp socket.

9, LED street lamp according to claim 1 is characterized in that, at least one fixture also is set on the described lamp socket, is used for described lamp body is fixed on described lamp stand.

10, LED street lamp according to claim 1, it is characterized in that, described LED street lamp also is provided with a solar energy equipment that is fixed on the described lamp stand, and described solar energy equipment comprises solar panel, battery and electric-controlled switch, is connected to each control module by described power line.

11, according to the arbitrary described LED street lamp of claim 1 to 9, it is characterized in that described LED street lamp also comprises a lampshade, described lampshade is provided with an optical waveguide layer, is used for evenly deriving light.