Summary of the invention
Technical problem to be solved by this invention is a kind of good heat dissipation effect to be provided, and to protect also reasonable LED street lamp of effect.
Technical scheme of the present invention is as follows: a kind of LED street lamp, comprise lamp stand and lamp body, and wherein, described lamp body comprises lamp socket, pcb board, at least one group of LED light emitting diode and control module thereof; Described pcb board is fixed on the described lamp socket, and, between described pcb board and the described lamp socket heat dissipating layer is set; Described lamp socket deviates from the side of described heat dissipating layer at least one louvre is set, and a baffle plate also is set directly over the described lamp socket, and it is fixedlyed connected with described lamp socket by at least one support bar.
Described LED street lamp, wherein, described lamp socket comprises at least six group LED light emitting diodes, each is organized the LED light-emitting diode arrangement and becomes First Five-Year Plan angle star.
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, described lamp socket is shaped as First Five-Year Plan angle star, and, a prefocus cup is set in the described lamp socket.
Described LED street lamp, wherein, described heat dissipating layer is a metallic plate.
Described LED street lamp, wherein, described metallic plate and described pcb board are one-body molded.
Described LED street lamp, wherein, described pcb board is metal substrate.
Described LED street lamp wherein, arranges a rete respectively on described pcb board and described lamp socket and the LED light emitting diode facing surfaces, is used for reflection ray.
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, described rete is wholely set at the lip-deep part of described pcb board and described metal substrate.
Described LED street lamp, wherein, described baffle plate has arc surface or sphere.
Described LED street lamp, wherein, described support bar is the transparent support bar.
Described LED street lamp, wherein, described LED street lamp also arranges 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 arranges an optical waveguide layer, is used for evenly deriving light.
Described LED street lamp, wherein, described lamp socket also comprises at least one heat abstractor.
Described LED street lamp, wherein, described heat abstractor comprise at least fin, heat sink, radiating tube, fan one of them.
Adopt such scheme, the present invention is by also arranging a heat dissipating layer between described pcb board and lamp socket; And on the side that described lamp socket and described heat dissipating layer deviate from mutually at least one louvre is set, so arranging makes radiating effect of the present invention very good, and, one baffle plate also is set directly over lamp socket, baffle plate can play protective effects such as sunshade, heat insulation, waterproof and dustproof to the LED street lamp, the protection effect is also very good; Baffle plate is fixedlyed connected with described lamp socket by at least one support bar, have certain space between baffle plate and the lamp socket, can utilize natural wind that the heat of LED street lamp is taken away, make radiating effect better.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in Figure 1, the LED street lamp of present embodiment, comprise lamp stand and lamp body 101, lamp body as shown in Figure 2, wherein lamp stand comprises a mobile jib 103 and a pole 102, and mobile jib 103 is used for supporting the whole LED street lamp, make the LED street lamp can be fixed on a certain specifically in the localities, pole 102 is used for making top, lamp body 101 extended road surface, is used for the illumination on road surface.
As shown in Figure 2, lamp body 101 comprises lamp socket 204 and pcb board 202; Wherein lamp socket 204 can be set to a plane plate, also can be set to a cambered surface plate, can also be waveform plate or other custom-shaped, in the lamp socket prefocus cup can be set, be used for light is converged, and light is shone out from certain orientation, in addition, can also directly cover a rete at lamp socket on the one side of LED light emitting diode, described rete can be a reflexed light film, be used for the light of reflected illumination on rete, to strengthen the light intensity of LED light emitting surface of light emitting diode.
Pcb board 202 is fixed on the lamp socket 204; Pcb board 202 can be fixed on the lamp socket 202, 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 301, a power-polar curve 303, at least one holding wire 302 are set, at least one LED light emitting diode 201 and control module 304 on the pcb board 202.The positive and negative polar curve of power supply can provide voltage for the LED street lamp, and LED light emitting diode 201 is used for the illumination on road surface as light source.Control module 304 is used for driving control LED light emitting diode, and according to each holding wire 302 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 make to mutually combine between each LED light emitting diode and be the variation of different colours.
Perhaps: the control chip ZQL9712 that control module 304 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 being formed 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 201 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 wherein the LED light emitting diode of three kinds of colors in the LED street lamp, be that the LED light emitting diode that arranges in the LED street lamp can arrange quantity and color according to actual needs.
Only red LED light emitting diode for example is set in the LED street lamp, or 3 LED light emitting diodes are set in the LED street lamp, 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 201 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 control module independent control respectively, cooperatively interact and send versicolor light, especially penetrate the needed white light of illumination.
And for example, LED light emitting diode 201 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.
For example, as shown in Figure 2, between pcb board 202 and the lamp socket 204 heat dissipating layer 203 can also be set, heat dissipating layer can be metal substrate, for example, aluminium, copper etc., metal substrate can independently arrange, because metal has extraordinary heat conduction function, therefore, the heat in the lamp body can be derived by heat dissipating layer 203; In addition, heat dissipating layer 203 also can be one-body molded with pcb board 202, is about to heat dissipating layer 203 and pcb board and is set to holistic composite plates, can make the heat in the lamp body better pass to heat dissipating layer 203 by pcb board, derives from heat dissipating layer 203 then; In addition, also pcb board directly can be set to have the metal pcb board of heat conduction function, the heat in for example aluminum base PCB plate, the copper base pcb board etc., lamp body can directly be derived by the aluminum base PCB plate.
On this basis, on described pcb board and described lamp socket and the LED light emitting diode facing surfaces rete can be set respectively, be used for reflection ray.For example, described rete is a reflective metal film, and, evenly be arranged on the surface of described pcb board and described lamp socket.Be more preferably, described rete is wholely set at the lip-deep part of described pcb board and described metal substrate.
Usually, the light-emitting area of LED light emitting diode is arranged on one side relative with ground, and lamp socket 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 and pcb board, is radiated at the light on lamp socket and pcb board surface through described rete reflection earthward, can strengthen the light intensity on ground.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.Described rete is wholely set at the lip-deep part of described pcb board and described metal substrate, and the heat that LED light emitting diode and other components and parts are sent is better derived by metallic diaphragm.
On the one side that deviates from mutually with heat dissipating layer 203 and lamp socket 204, lamp socket 204 also arranges at least one louvre 206, because louvre is the through hole that is arranged on the lamp socket, the heat of deriving from heat dissipating layer 203 gives out outside the lamp body by louvre again, makes the radiating effect of LED street lamp very good.
In addition, can also one heat abstractor be set at lamp socket, heat abstractor can be fin, heat sink, radiator fan etc.; And, can be arranged on the arbitrary side or arbitrary side of lamp socket.Present embodiment is most preferred to be fin, and fin also can be one-body molded with lamp socket, and therefore heat abstractor is set to fin, can make the integral body of lamp socket take the volume minimum, the outward appearance better appearance, and, can strengthen the heat-sinking capability of LED street lamp, make radiating effect better.
One baffle plate 207 also is set directly over described heat abstractor, and 207 couples of present embodiment LED of baffle plate street lamp shields, as playing a sunshade, heat insulation, waterproof and dustproof etc.In order to prevent that birds or dust and fallen leaves from resting on the baffle plate 207, is set to an arc surface or sphere with baffle plate 207; Utilize the gradient of arc surface baffle plate or sphere baffle plate to advance to keep the cleaning of baffle plate, and the baffle plate of arc surface or sphere also can play better waterproof effect.
Baffle plate 207 is fixed on the lamp socket by at least one support bar 205 is set, support bar can make and have certain space between baffle plate and the lamp socket, namely above louvre, there is certain space, can utilize natural wind that the heat of LED street lamp is taken away, strengthen the heat dispersion of louvre, make radiating effect better.
For example, a support bar 205 can only be set, support bar 205 is arranged on its centre, and namely baffle plate makes baffle plate can relatively more firmly be fixed on the lamp socket 204 with respect to support bar 205 quality balances; And for example, also can arrange three or above support bar 205, each support bar is evenly distributed on the periphery of baffle plate, and, baffle plate quality relative equilibrium, namely with respect to each support bar 205, the baffle plate relative equilibrium, and, can secure on lamp socket.Each support bar can be set to the support bar of transparent material, can make LED street lamp appearance more attractive in appearance like this.
Embodiment 2
In embodiment 1, on the basis of each example, many positive source lines 301 and many power-polar curves 303 can also be set on the pcb board 202.
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 diode 201 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 304 or for preventing the excessive resistance of installing of electric current etc.
Arrange 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 304 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 302 of being made up of a lead.
For example: the single line control chip ZQL1111 that single line control module 304 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 being formed by a lead, and, according to control signals transmitted, drive 3 different LED light emitting diodes of control.
Embodiment 3
As shown in Figure 4, on the basis of above-mentioned each example, 1 group of LED light emitting diode is set at least on the pcb board 202, 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.The LED light emitting diode that comprises three kinds of colors can be controlled by control module, sends the light of any color of nature, for example, and illumination light white light or the gold-tinted of color relatively more commonly used.
Two groups of above LED light emitting diodes can be arranged as required, for example, six groups of LED light emitting diodes are set in the present embodiment LED street lamp, and 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.One group of LED light emitting diode wherein can be arranged on the center of LED street lamp, around other five groups of LED light emitting diodes evenly were arranged in, each was organized the LED light emitting diode and forms First Five-Year Plan angle star.
Simultaneously, also can be set to pentalpha by the LED street lamp, be about to correspondences such as lamp socket, pcb board and be set to pentalpha, specious, and can make LED street lamp integral body take the volume minimum, reduce cost.Five groups of LED light emitting diodes wherein evenly are arranged on five angles of pentalpha, another group LED light-emitting diode arrangement in pentalpha in the heart.Can make LED street lamp outward appearance more attractive in appearance, luminous also more even like this.
In addition, also can adopt control circuit that described five groups of LED light emitting diodes and described one group of LED light emitting diode are controlled respectively, when mankind's activity brightness ratio relatively more frequent or that need was brighter, six groups of LED light emitting diodes were simultaneously shinny, satisfy the illumination needs; When brightness ratios fewer when mankind's activity or that need are low, can only one group of LED light emitting diode at center be lighted, five groups of LED light emitting diodes that perhaps only will be arranged on the angle of pentalpha are lighted, like this can energy savings.
And other group LED light emitting diodes of not lighting also have standby function, when being in respectively the organizing the LED light emitting diode and break down of illumination, can lighting other groups LED light emitting diode and satisfy illumination.For example, can only light one group of LED light emitting diode at center, and, when the one group of LED light emitting diode that is in the center breaks down, light five groups of LED light emitting diodes that are in periphery, the LED street lamp can be worked on, to satisfy the illumination needs.
Embodiment 4
On embodiment 1 to 3 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.
Described fixture can be screw, latch, rivet, clamping part etc., as long as the LED street lamp is fixed on the lamp stand.
Embodiment 5
As shown in Figure 5, on embodiment 1 to 4 arbitrary basis, present embodiment LED street lamp also arranges a solar energy equipment 501, and described solar energy equipment 501 comprises a solar panel, electric-controlled switch and a battery, and solar panel is placed under the sunshine, 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 electric-controlled switch is used for starting solar panel and battery, can enough move, and bring into play its effect separately.Solar panel is electrically connected with battery, and battery is electrically connected with the LED street lamp.
Solar energy equipment 501 is fixed on the mobile jib 103 by pole 502, and pole 502 can interfix by various fixtures with mobile jib 103, 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 arrange one and place recess or the groove of circuit, or an internal cavity etc. is set.
Embodiment 6
As shown in Figure 6, on embodiment 1 to 5 arbitrary basis, present embodiment LED street lamp also comprises a lampshade 601, and the surface of described lampshade 601 also arranges an optical waveguide layer 602, and perhaps, described lampshade arranges an optical waveguide layer, is used for evenly deriving light; Perhaps, described lampshade is an optical waveguide layer.
Optical waveguide layer 602 itself can leaded light, for example, the optical waveguide layer 602 that optical waveguide layer 602 can be made for the acrylic plate material, the light that the LED light emitting diodes that arrange in the lampshade 601 send, can behind optical waveguide layer 602, evenly derive, optical waveguide layer 602 can make through lampshade 601 lip-deep distribution of light even, and uniform irradiation is on the road surface.
Optical waveguide layer 602 can be arranged on the inner surface of lampshade 601 by the mode of overlay film or plated film, also can be arranged on the outer surface of lampshade 601, also on lampshade 601 inner surfaces and outer surface one deck optical waveguide layer 602 is set respectively, and light will more evenly be derived like this.
Lampshade 601 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 601 is except the mode that can adopt fixed cell is fixed on the lamp socket 204, can also a fixed part be set at lampshade 601, and described lamp socket 204 arranges corresponding fixed bit, lampshade 601 is fixedlyed connected with fixed bit by the fixed part of correspondence with lamp socket 204.
For example, an external screw thread is set on the lampshade 601, a internal thread under concaving is set on the lamp socket 204, lampshade 601 and lamp socket 204 fixedly are spirally connected by adaptive internal and external threads.
And for example, a latch is set on the lampshade 601, corresponding pin hole is set on the lamp socket 204, lampshade 601 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 601, a fixed bit corresponding with clamp is set on the lamp socket 204, clamp embeds in the lamp socket, and is fixed on the fixed bit, with realization lampshade is fixed on the lamp socket 204.Perhaps also buckle and draw-in groove can be set at lampshade 601 with on lamp socket 204 respectively, lampshade 601 and lamp socket 204 are by corresponding buckle and fixedly clamping of draw-in groove.
In above-mentioned each example, described LED light emitting diode can be OLED (Organiclight-emitting diode, 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.