CN200965178Y - Large power LED traffic signal lamp - Google Patents
Large power LED traffic signal lamp Download PDFInfo
- Publication number
- CN200965178Y CN200965178Y CNU200620126171XU CN200620126171U CN200965178Y CN 200965178 Y CN200965178 Y CN 200965178Y CN U200620126171X U CNU200620126171X U CN U200620126171XU CN 200620126171 U CN200620126171 U CN 200620126171U CN 200965178 Y CN200965178 Y CN 200965178Y
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- traffic signal
- signal lamp
- power led
- led traffic
- led
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Traffic Control Systems (AREA)
Abstract
The utility model provides a high power LED traffic light which uses high brightness semiconductor light-emitting diodes (LED) with a large power over 1 W as a power source. The light source module circuit board comprises a surface layer, a middle layer and a bottom layer and tidy two-dimensional lattice points are arranged on the surface layer while an LED grain is arranged in each lattice point. The contact surface between the surface layer and middle layer and relative to each lattice point is provided with a pad with the LED grain fixed on. The outer surface of the LED grain with reflective bowls around is spread with protective colloid. The bottom layer of the light source module circuit board is provided with a control-drive circuit and an element while the bottom surface of the sub layer circuit board is provided with a radiator and the middle layer is spread with heat conduct glue. The first mouth of the shell is connected with a light extraction lens. The high power LED traffic light of the utility model not only has concentrated rays and a long working life but also is safe and reliable, saves energy, has an excellent performance and complete function, easy for intra-industry spreading use.
Description
Technical field
The utility model relates to traffic lights, relates in particular to the traffic lights of the light emitting diode (LED) of the above high brightness of employing 1W as lighting source, belongs to technical field of semiconductor illumination.
Background technology
At present, traditional traffic lights mainly comprise: power supply, lamp housing, reflector, coloured lens and light source portion are graded.Wherein the Lights section mainly adopts incandescent lamp and metal halogen tungsten lamp, and incandescent lamp is directly powered by power supply, and metal halogen tungsten lamp power supply then must can be powered after the transformer conversion.The effect of reflector is the light that all directions are launched to be collected forward penetrate, the effect of coloured lens mainly is that the light that will penetrate forward carries out reasonable distribution, what incandescent lamp and metal halogen tungsten lamp sent is photochromic for white, need be by red, yellow, green three coloured light that needing just can obtain behind coloured lens.Incandescent lamp must add reflector just can make light all penetrate forward, also needs coloured lens to carry out filter light, and visual range is not far, and the false phenomenon that shows is arranged.
Bulb in the classical signal lamp is to be produced heat and then be converted to luminous energy by electric energy, is a kind of filament combustion phenomena, and power consumption is big, can produce high heat, caloric value can cause lampshade because of thermo-color, aging, and light sees through lampshade and is attenuated, or color generation aberration, average life span only is 1000 hours; Bulb is made with glass usually, breaks easily, and long-term high pressure energising is than the tool potential danger, untimely keep in repair and replacing can influence traffic safety.
Summary of the invention
The purpose of this utility model just provides high-power LED traffic signal lamp, fundamentally solve the deficiency that the conventional traffic signal lamp exists, the high brightness LED (LED) little with size, that the life-span is long, luminous efficiency is high, rich color, controllability are good is as lighting source.
The purpose of this utility model is achieved through the following technical solutions:
High-power LED traffic signal lamp, comprise housing, light source module and control drive circuit and element, it is characterized in that: the light source module wiring board comprises top layer, intermediate layer and bottom, be arranged with two-dimentional lattice point on the top layer, be provided with LED crystal grain in each lattice point, be provided with pad at the contact-making surface in top layer and intermediate layer and corresponding to each lattice point position, LED crystal grain is fixed on the pad, the outer surface of LED crystal grain scribbles protection glue, is reverberation bowl around it; Control drive circuit and element are installed on bottom, and the bottom circuit board bottom surface is provided with radiator, middle coating heat-conducting glue; The prosopyle of housing is connected with luminous lens.
Further, above-mentioned high-power LED traffic signal lamp, the dot pattern of module are 8 * 8 or 16 * 32 or 32 * 32 or 32 * 64; Described LED crystal grain is red green dual base color LED crystal grain, is common cathode and connects.
Again further, above-mentioned high-power LED traffic signal lamp, rounded or the oval or taper of reverberation bowl, its inwall is coated with metallic nickel or silver or other alloy materials; The diameter range of reverberation bowl bottom is 2～6mm.
Again further, above-mentioned high-power LED traffic signal lamp, described module is provided with cross through hole; The inside of described through hole is filled with metallic copper or Heat Conduction Material.
Further, above-mentioned high-power LED traffic signal lamp, the protection glue that described LED crystal grain outer surface is coated with is silica gel or epoxide-resin glue.
Further, above-mentioned high-power LED traffic signal lamp, the material of described housing is aluminium matter or alloy material, the bottom of housing inner chamber is planar structure.
The substantive distinguishing features and the marked improvement of technical solutions of the utility model are mainly reflected in:
(1) light that sends of LED has certain dispersion angle, does not need reflector; And LED itself sends is coloured light, do not need coloured lens to come filter light, during energising the Light-Emitting Diode response time extremely of short duration, no afterglow, signal graph shows quick, the brightness height, visual range is far away, does not have the false phenomenon that shows.
(2) long working life, safe and reliable, average life is more than 100000 hours.Light emitting diode low pressure energising is keeped in repair fool proofly, and upkeep cost is low.
(3) save the energy, LED directly changes light source into by electric energy, and operating voltage is low, and power consumption is little, generation thermoae low, heating hardly; The consumes energy of LED only is 20% of a classical signal lamp.
(4) the good function of performance is complete: since the particular electrical minor structure of LED self, high, wide, the good reliability of operating temperature range of its stability; At continuous light, drench with rain, under the harsh climate condition such as dust, in the bad working environment such as wind-force and the caused vibrations of wagon flow, still can keep visibility and superperformance preferably.
(5) adopt the matrix combining form, can use 8 (16 or 32) embedded microprocessors (MCU) to control easily, can show red greenish-yellow three looks, simultaneously can also produce different patterns, the animation effect of formation demand, when the integrated configuration of traffic road junction,, can suitably reduce the quantity required of traffic lights owing to the diversity of display graphics.Adopt embedded microprocessor to realize ambient lighting intensity is detected, again led current (luminous intensity) is done stepping or stepless adjustment, make traffic lights brighter when environmental light intensity, no longer flickering in the dense fog, the night signal lamp is unlikely to dazzle the eyes, vehicle and pedestrian observe more comfortable, can guarantee traffic safety preferably.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Fig. 1: 8 * 8 dot matrix elementary cell outline drawings;
Fig. 2: be the pad distribution map of Fig. 1 intermediate layer corresponding to the luminous lattice point one side of LED;
Fig. 3: 16 * 32 dot matrix elementary cell outline drawings;
Fig. 4: be the pad distribution map of Fig. 3 intermediate layer corresponding to the luminous lattice point one side of LED;
Fig. 5: structure cutaway view of the present utility model.
The implication of each Reference numeral sees the following form among the figure:
| Reference numeral | Implication | Reference numeral | Implication | Reference numeral | Implication |
| 1 | The top layer | 2 | The intermediate layer | 3 | Bottom |
| Reference numeral | Implication | Reference numeral | Implication | Reference numeral | Implication |
| 4 | Through |
5 | LED crystal grain | 6 | |
| 7 | Reverberation bowl | 8 | Luminous lens | 9 | Housing |
The specific embodiment
The utility model directly is packaged in LED crystal grain on the control circuit board, reaches the fixedly purpose of luminescent grain, connection line and heat radiation.
Fig. 1 is a kind of form of the utility model signal light source module, and its array scale is 8 * 8, and Fig. 2 is the pad distribution map of Fig. 1 intermediate layer corresponding to the luminous lattice point one side of LED.
Fig. 3 is another form of the utility model signal light source module, and its array scale is 32 * 16, and Fig. 4 is the pad distribution map of Fig. 3 intermediate layer corresponding to the luminous lattice point one side of LED.
High-power LED traffic signal lamp, as shown in Figure 5, the semiconductor light-emitting-diode (LED) that adopts above high-power, the high brightness of 1W is as light source, the light source module wiring board comprises top layer 1, intermediate layer 2 and bottom 3, the red green dual base color LED crystal grain 5 of the high brightness common cathode that is packaged together is mounted on the circuit board, is made into the elementary cell that various lattice-like are arranged; Arranging neat two-dimentional lattice point on the top layer 1, be provided with LED crystal grain 5 in each lattice point, 1 is provided with pad with the contact-making surface in intermediate layer 2 and corresponding to each lattice point position on the top layer, LED crystal grain 5 is fixed on the pad, pass the intermediate layer and printed circuit is electrically connected by plain conductor, the outer surface of LED crystal grain 5 scribbles protection glue 6, preferred silica gel or epoxide-resin glue; Around it is reverberation bowl 7, reverberation bowl 7 rounded or oval or tapers, and its inwall is coated with metallic nickel or silver or other alloy materials and forms the light reflecting wall, and the diameter range of reverberation bowl 7 bottoms is 2～6mm.Control drive circuit and element are installed on bottom 3, and the bottom circuit board bottom surface is provided with radiator, and middle coating heat-conducting glue evenly distributes its heat; Module is provided with cross through hole 4, and the inside of through hole 4 is filled with metallic copper or Heat Conduction Material, also packing material not; The prosopyle of housing 9 is connected with luminous lens 8, uses epoxy encapsulation all around; The material of housing 9 is aluminium matter or alloy material, and the bottom of housing inner chamber is planar structure.
Control circuit board can be three layers or more multi-layered plate structure, but how many layers no matter can be summed up as three functional planes.Wherein skin section is divided into the bright dipping heat transfer layer, and the top layer evenly makes the bowl cup of several circles or elliptical shape, and metals such as the bowl wall is silver-plated, nickel carry out reflective and conduct heat; The top layer has reverberation bowl, and the bowl end has heat conduction to contact with the circuit in intermediate layer.The circuit of intermediate layer part plays fixedly crystal grain and the effect of weld metal connecting line.
The intermediate layer is the crystal grain adhered layer, and crystal grain utilizes elargol, indium gold or other alloy to be fixed in position, bowl cup bottom section center, is electrically connected by wire and circuit.The heat that is produced during chip operation spreads out of by bowl cup and the fixing pad via hole of crystal grain that is coated with metal.Link to each other by metallic vias between intermediate layer circuit and top layer and the wiring underlayer, the part heat can also be distributed.
Bottom partly is the control circuit layer, can control each luminous point.Control of LED dot matrix crystal grain and the integrated circuit that drives and component mounter are welded the necessary circuit connector again on printed circuit board, to use as control and expansion.
The reflector cup carries out sealing with silica gel or epoxy gum resin, and the crystal grain at the bowl end is luminous through obtaining a luminous point through the bowl wall is reflective with optically focused after silica gel or the epoxy resin derivation.The secondary lens moulding is carried out with mould again in the surface of protection glue, to obtain best rising angle and effect.
Single traffic lights adopt embedded microprocessor (MCU) to control, can demonstrate redness, green and sodium yellow, produce different pattern and animation, adjust the traffic signals luminous intensity according to ambient lighting, can co-ordination under a master controller monitoring at the traffic lights of each traffic road junction configuration, also can unify networking, move by traffic control command centre and set and control in real time with traffic control command centre.
According to kind, functional requirement, size and the use occasion of traffic lights, the elementary cell of arranging with various lattice-like is assembled on the multilayer circuit board, can be combined into 8 * 8～64 * 64 matrixes, and the raw column data of matrix can be determined as required.Outer profile size is generally matrix, also can be rectangle, can also be designed to other shapes such as octagon as required.But be not limited to triangle, square, pentagon, hexagon, octagon, circle, jewel shape.
During concrete the application, the utility model traffic lights display graphics is as follows:
| Sequence number | Purposes | Color | Pattern | Size (mm) | Visual range (m) |
| 1 | The car lane lamp | Red greenish-yellow | Circle (red)/rhombus (green)/triangle (Huang) etc. | 300/260 | 300 |
| 2 | The car lane lamp | Red green | Intersection (red)/arrow (green) | 300/260 | 300 |
| 3 | The pavement lamp | Red green | Stop (pictograph is red)/by (animation is green) etc. | 300/260 | 300 |
| 4 | The cycle track lamp | Red green | Stop (pictograph is red)/by (animation is green) etc. | 300/260 | 300 |
| 5 | Time showing | Red green | Word second counts down | 300/260 | 300 |
| 6 | The passage indicator lamp | Red greenish-yellow | Fixing graphics/animation | 300/260 | 300 |
| 7 | The road sign lamp | Red greenish-yellow | Fixing graphics/animation | 300/260 | 300 |
| 8 | Other | Red greenish-yellow | Arbitrary graphic/animation | 300/260 | 300 |
In actual use, after testing, the utility model high-power LED traffic signal lamp is compared with the conventional traffic signal lamp, and its every performance indications are as follows:
| Project name | The utility model | Prior art |
| Light source | Led light source | Incandescent light source |
| Power consumption (W) | 10～20 | 100 |
| Every power consumption (degree) | 0.48 | 2.4 |
| The annual electricity charge (unit) | 175.2 | 876 |
| The price difference ratio | 1 | 5 |
| The average life span ratio | 50,000 | 1,000 |
| Heating | LED directly changes light source into by electric energy, generation thermoae low, heating hardly. | Being produced heat and then be converted to luminous energy by electric energy, is a kind of filament combustion phenomena, can produce high heat. |
| Project name | The utility model | Prior art |
| Security | The low pressure energising is keeped in repair fool proof. | Bulb breaks easily, then need change whole bulb as if burning because of overload, and high pressure is switched on than tool danger. |
| Influence | Caloric value is extremely low, has environmental protection effect. | The generation of heat causes lampshade because of thermo-color, aging, makes light see through lampshade and be attenuated that color produces aberration. |
Obviously, can show from practicing, the utility model high-power LED traffic signal lamp light is concentrated, long working life, safe and reliable, save the energy, performance is good, function is complete, application prospect is good, social economic effect is remarkable.
Below only be concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the utility model rights protection scope.
Claims (9)
1. high-power LED traffic signal lamp, comprise housing, light source module and control drive circuit and element, it is characterized in that: described light source module wiring board comprises top layer [1], intermediate layer [2] and bottom [3], the top layer is arranged with two-dimentional lattice point on [1], be provided with LED crystal grain [5] in each lattice point, [1] is provided with pad with the contact-making surface in intermediate layer [2] and corresponding to each lattice point position on the top layer, LED crystal grain [5] is fixed on the pad, the outer surface of LED crystal grain [5] scribbles protection glue [6], is reverberation bowl [7] around it; Control drive circuit and element are installed on bottom [3], and the bottom circuit board bottom surface is provided with radiator, middle coating heat-conducting glue; The prosopyle of housing [9] is connected with luminous lens [8].
2. high-power LED traffic signal lamp according to claim 1 is characterized in that: the dot pattern of module is 8 * 8 or 16 * 32 or 32 * 32 or 32 * 64.
3. high-power LED traffic signal lamp according to claim 1 is characterized in that: described LED crystal grain [5] is red green dual base color LED crystal grain, is common cathode and connects.
4. high-power LED traffic signal lamp according to claim 1 is characterized in that: rounded or the oval or taper of reverberation bowl [7], its inwall are coated with metallic nickel or silver or other alloy materials.
5. according to claim 1 or 4 described high-power LED traffic signal lamps, it is characterized in that: the diameter range of reverberation bowl [7] bottom is 2～6mm.
6. high-power LED traffic signal lamp according to claim 1 is characterized in that: described module is provided with cross through hole [4].
7. high-power LED traffic signal lamp according to claim 6 is characterized in that: the inside of described through hole [4] is filled with metallic copper or Heat Conduction Material.
8. high-power LED traffic signal lamp according to claim 1 is characterized in that: the protection glue [6] that described LED crystal grain outer surface is coated with is silica gel or epoxide-resin glue.
9. high-power LED traffic signal lamp according to claim 1 is characterized in that: the material of described housing [9] is aluminium matter or alloy material, and the bottom of housing inner chamber is planar structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620126171XU CN200965178Y (en) | 2006-10-20 | 2006-10-20 | Large power LED traffic signal lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200620126171XU CN200965178Y (en) | 2006-10-20 | 2006-10-20 | Large power LED traffic signal lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200965178Y true CN200965178Y (en) | 2007-10-24 |
Family
ID=38869195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200620126171XU Expired - Fee Related CN200965178Y (en) | 2006-10-20 | 2006-10-20 | Large power LED traffic signal lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200965178Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865378A (en) * | 2010-05-17 | 2010-10-20 | 中山大学佛山研究院 | LED surface light-emitting lamp |
| WO2011038550A1 (en) * | 2009-09-30 | 2011-04-07 | Huo Weimin | Led energy-saving lamp |
| CN102235651A (en) * | 2010-04-29 | 2011-11-09 | 上海康耐司信号设备有限公司 | High-density radiator for high-power light emitting diode work light |
| CN102287633A (en) * | 2011-06-01 | 2011-12-21 | 冉红 | Indoor lighting display system |
| CN107978595A (en) * | 2017-11-28 | 2018-05-01 | 西安科锐盛创新科技有限公司 | Traffic lights and system |
-
2006
- 2006-10-20 CN CNU200620126171XU patent/CN200965178Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011038550A1 (en) * | 2009-09-30 | 2011-04-07 | Huo Weimin | Led energy-saving lamp |
| CN102235651A (en) * | 2010-04-29 | 2011-11-09 | 上海康耐司信号设备有限公司 | High-density radiator for high-power light emitting diode work light |
| CN101865378A (en) * | 2010-05-17 | 2010-10-20 | 中山大学佛山研究院 | LED surface light-emitting lamp |
| CN102287633A (en) * | 2011-06-01 | 2011-12-21 | 冉红 | Indoor lighting display system |
| CN102287633B (en) * | 2011-06-01 | 2015-07-08 | 刘敬梅 | Indoor lighting display system |
| CN107978595A (en) * | 2017-11-28 | 2018-05-01 | 西安科锐盛创新科技有限公司 | Traffic lights and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071024 Termination date: 20141020 |
|
| EXPY | Termination of patent right or utility model |