CN2264945Y - Light-emitting diode traffic signal light - Google Patents
Light-emitting diode traffic signal light Download PDFInfo
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- CN2264945Y CN2264945Y CN 96244048 CN96244048U CN2264945Y CN 2264945 Y CN2264945 Y CN 2264945Y CN 96244048 CN96244048 CN 96244048 CN 96244048 U CN96244048 U CN 96244048U CN 2264945 Y CN2264945 Y CN 2264945Y
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to a Light-emitting diode traffic signal light, which comprises a light housing, a pressing ring, a sealing ring, a light transmission cover, a circuit board, an LED array and densely-arranged horn light-hiding reflecting barrels. The LED array is arranged on the circuit board which is arranged in the light housing, the pressing ring is fixed on the front end face of the light housing and buckles the light transmission cover and the light housing, the sealing ring is arranged between the light transmission cover and the buckling face of the light housing, the inner of each reflecting barrel is provided with an LED, the bottom end of each reflecting barrel is connected with the circuit board, and the big end of each reflecting barrel is mutually connected to form a honeycomb shape; the circuit of the circuit board is composed of a rectification circuit, a voltage regulating circuit and an LED array circuit which are sequentially connected in series, and the LED array circuit is composed of each LED unit circuit. The utility model has the advantages of strong light intensity, low cost and large visual angle, and the utility model can meet the special requirements of light intensity, light spectrum, illumination distance, illumination angle, etc. of traffic signals.
Description
The utility model relates to a kind of traffic lights that adopt light emitting diode to make light source.
Point duty, the scheduling signals of highway and railway all adopt the conventional incandescent source at present, and becoming by colour filter has coloured light.The deadly defect of incandescent lamp is the energy consumption height, light efficiency is low, the life-span is short, thermal value is big, the fragile rapid wear of quality, unsafe factor is many, replacing is frequent, maintenance workload is big.Relevant data shows: be used for only about 300 hours of civilian goods the average life of incandescent lamp, that uses on the vehicle can arrive more than 400 hour, and what be used for Hainan Airlines road, river commander and id signal is no more than 500 hours.Highway and railway traffic commander, scheduling signals need uninterrupted flicker continuously, and like this everyday, year in and year out, even the high-quality bulb, every day, so continuous flicker was 8 hours, at most also can only adhere to 100 days.Motor vehicle is using a large amount of colourful signals, can influence the serviceable life of bulb owing to jolt, and it has been quotidian thing that motor vehicle is frequently changed incandescent lamp.
For the occasion that must use white light, for avoiding many defectives of incandescent lamp, various circles of society or are adopting better efficient energy-saving new light sources, as high-quality light sources such as iodine-tungsten lamp, daylight lamps.For the occasion of a large amount of use colored lights, has only " incandescent lamp+colour filter cover " road so? of course not.
Since the ultra-high brightness LED light emitting diode emerges, because its distinctive spectrum, light intensity and significant low energy consumption characteristics are required the every field widespread use of photoelectric display very soon.But in a lot of fields, as: fields such as public railway traffic commander and scheduling signals, river Hainan Airlines road commander and id signal, various luminous license plate, motor vehicles identification light, but slowly fail and should use.Tracing it to its cause, mainly is that luminous intensity is not enough and cost is too high.
Through understanding to domestic and international traffic lights manufacturing technology, known present useful LED does the like product of light source on probation, but all be to adopt the mode of LED dense arrangement to make, they can only mechanically solve the light intensity problem, can't resolve the manufacturing cost problem that product is further applied that hinders, also be difficult to adapt under the different occasions requirement the visual angle.As: the price of conventional road traffic signal lamp is hundreds of unit only, and the Φ 300mm highway traffic signal lamp of a dense arrangement LED uses the quantity of LED to reach more than 570, and only manufacturing expenses are just near 2000 yuan.And these more than 500 LED are connected in series, as long as an accidental damage is wherein arranged, will cause sheet not work.From the reliability angle, originally incandescent lamp is only adorned one, a damage, and full lamp does not work, and is that a LED does not work now, and sheet does not work, and needs equally to safeguard.Suppose that original reliability is 100%, the chance of accidental damage has now increased by 500 times, and reliability only is original 1/500, and promptly 0.2%.Therefore this LED highway traffic signal lamp is from promoting the use of the also very big distance of existence.
In view of above-mentioned, the utility model will provide a kind of light intensity foot, the light emitting diode traffic lights that cost is low, the visual angle is big, and it can satisfy traffic signals to light intensity, spectrum, the specific (special) requirements of penetrating aspects such as distance, firing angle.
For reaching above purpose, the utility model adopts following scheme:
A kind of light emitting diode traffic lights, comprise lamp housing, trim ring, O-ring seal, diffuser, circuit board, light emitting diode matrix, described light emitting diode is fixed on the described circuit board, described circuit board is contained in the described lamp housing, described trim ring is fixed on the front end face of described lamp housing and with described diffuser and described lamp housing and fastens, described O-ring seal places between the buckling surface of described diffuser and described lamp housing, it is characterized in that: it also comprises the horn formula Tibetan light reflecting drum of dense arrangement, and wherein: described diffuser is the diffuser that has in light action and diffuse scattering effect; Each is hidden in the light reflecting drum a described light emitting diode is set, and its bottom is connected with described circuit board, and each big end of hiding the light reflecting drum interconnects, and forms cellular; Circuit on the described circuit board is connected in series successively by rectification circuit, regulating circuit and led array circuit and constitutes, and led array circuit is made up of each light emitting diode circuit.
The main beam of light emitting diode does not have any direct projection diffuser that stops, the repeatedly reflection of the surplus astigmatic Sutra-Pitaka light reflecting drum at main beam edge still drops on the diffuser and the main beam stack with different angles at last, and the light intensity by diffuser is increased; The light action of staying owing to diffuser, stack light brightens the particulate that can produce on the diffuser in light action by diffuser the time, and whole diffuser brightens and produces the luminous visual effect of diffuser, and light soft, join together, make the visual angle increase.
Owing to adopted reflecting drum and the diffuser that has in light action, make the light intensity of LED and visual angle all obtain increasing, therefore can use less LED to constitute traffic lights, and then cost is descended greatly.
Below in conjunction with drawings and Examples the utility model is elaborated.
Fig. 1 and Fig. 2 are structural drawing of the present utility model;
Fig. 3 is the blue circuit for lamp figure of reddish yellow;
Fig. 4 is the green light circuit diagram.
See also Fig. 1 and Fig. 2, the utility model comprises the light emitting diode matrix that the horn formula of lamp housing 1, trim ring 2, O-ring seal 5, diffuser 4, circuit board 6, dense arrangement is hidden light reflecting drum 3 and is made of light emitting diode 7.Light emitting diode 7 is fixed on the circuit board 6, and circuit board 6 is contained in the lamp housing 1, and trim ring 2 is fixed on the front end face of lamp housing 1 and with diffuser 4 and lamp housing 1 and fastens, and O-ring seal 5 places between the buckling surface of diffuser 4 and lamp housing 1.Wherein: each is hidden in light reflecting drum 3 light emitting diode 7 is set, and the bottom of reflecting drum is connected with circuit board 6, and its big end carries out the transition to regular hexagon from circular cone, and the big end of each reflecting drum interconnects, and forms shown in Figure 2 cellular.
Diffuser 4 adopts the diffuser that has in light action and diffuse scattering effect, and it has fixing installation direction and certain curvature requirement, to reach the visual angle requirement of signal lamp.Small end and circuit board 6 junctions that the horn formula is hidden light reflecting drum 3 can have the certain curvature transition.The horn formula is hidden the tapering and the length of light reflecting drum 3 and is determined that according to the light firing angle size of light emitting diode 7 distance that the horn formula is hidden between light reflecting drum 3 and the diffuser 4 is decided the requirement of vision according to the different application occasion.Lamp housing 1, trim ring 2, O-ring seal 5 can be realized the isolation in signal lamp and extraneous space, to reach the purpose of dustproof and waterproof.
The main beam that light emitting diode 7 sends does not have any direct projection diffuser 4 that stops, the surplus astigmatism at main beam edge is hidden the repeatedly reflection of light reflecting drum 3 through the horn formula, still drop on the diffuser 4 at last and superpose with main beam with different angles, by this stack, refraction, reflection, the light intensity by diffuser 4 is increased.The light action of staying owing to diffuser 4, stack light brightens the particulate that can produce on the diffuser 4 in light action, so whole diffuser brightens and produces the luminous visual effect of diffuser by diffuser 4 time, and light soft, join together, make the visual angle increase.
See also Fig. 3, the circuit on the circuit board is connected in series successively by rectification circuit, regulating circuit and led array circuit and constitutes.B1 constitutes rectification circuit.Triode T01～T03 constitutes automatic voltage regulating circuit, adjusts signal from photosensitive device RL1, and when the exterior light photograph weakened, the RL1 resistance increased, and triode T01 tube voltage drop is increased, thereby reduces to be added to the voltage on the LED.Led array circuit is composed in series by each light emitting diode circuit, and parallel connection constituted with a dividing potential drop continued flow resistance R1xx again after each light emitting diode circuit was connected by a light emitting diode Lx and a current-limiting resistance R2xx.During operate as normal, the dividing potential drop continued flow resistance all presses for LED, and current-limiting resistance is in order to isolate the inconsistency that produces in the LED manufacturing.When indivedual LED were impaired, the dividing potential drop continued flow resistance guaranteed whole led array circuit afterflow, and current-limiting resistance can guarantee that then its unit, place is not by short circuit.The span of dividing potential drop continued flow resistance is to guarantee that other parts still can operate as normal when some LED damage.The spinoff of doing like this is to have introduced a certain amount of power consumption, but what bring is the high reliability index.
Also can be without current-limiting resistance directly with LED and the parallel connection of dividing potential drop continued flow resistance, but circuit performance can be weaker.
Fig. 3 circuit is applicable to the traffic lights that redness, yellow or blue look LED constitute, because the light intensity of the LED of these three kinds of colors is all greater than 800mcd (milli candela), like this, for the highway traffic signal lamp of Φ 300mm, every lamp only uses 61 LED, all is connected in series.
The light intensity of pure green LED has only 75-100mcd, and yellow partially green pipe is high, also is no more than 350mcd.For the light intensity that makes each colored lights is consistent as far as possible, green LED has been used 253, and circuit is also different thereupon.See also Fig. 4, each light emitting diode circuit is made of two green LED and a current-limiting resistance series connection among the figure, each light emitting diode circuit parallel connection, and full lamp has 127 unit in parallel (it is a LED that a unit is wherein arranged).
The LED that each unit uses also can be more more, certainly, the green LED high as light intensity, each unit also can be made of a LED and current-limiting resistance series connection.For the signal lamp of other different specification of diameter, use the total amount of LED to increase and decrease thereupon.
Technical indicator of the present utility model is as follows:
1. light source: LED light intensity (CD) centre wavelength (nM) power consumption (W) coverage (M)
Red 57 644 17.6 ≮ 1500
Yellow 76 592 17.6 ≮ 1500
Green 16.95 560 35.2 ≮ 1500
Blue look 126 35.2 ≮ 500
2. visual angle: 180 ° of main beam＞60 ° auxilliary light beam ∽
3. serviceable life: pointolite＞200000H puts in order year failure-free operation cycle＞3, lamp＞5 year
4. operating voltage :～220V ± 20
5. working current: the green 160mA of red, yellow, blue 80mA
6. environment temperature-40～+ 85 ℃
7. temperature rise:＜30 ℃
8. seal rainproof, dustproof construction
9. weight and volume: (different and different) with the lamp type
The utility model can be used for following field:
1. highway and railway road traffic commander, scheduling signals; 2. river, Hainan Airlines road commander, id signal; 3. motor vehicles taillight, brake lamp, steering indicating light; 4. other needs the occasion of colored token light.
The light intensity deficiency that the utility model exists for like product, cost is too high, the visual angle is little, poor reliability Present situation adopts and hides light, stays light, refraction, reflects, sets up all technology of dividing potential drop continued flow resistance, has solved light intensity Not enough, the problems such as the visual angle is little, cost is high, poor reliability. It has the following advantages:
1. the light efficiency height adopts reflecting drum and the diffuser that has in light action, makes single led light intensity and visual angle All obtain increasing, thereby can use less LED, owing to required LED has reduced, so cost descends greatly.
2. energy-saving effect is remarkable, only is the 17.6%-35.2% of 100W incandescent lamp power consumption, 200W incandescent lamp power consumption 8.8%-17.6% is the 1/20-1/10 that uses the LED like product. Average energy-saving efficiency＞80%. For use LED signal lamp under the dc low-voltage condition is compared with the incandescent lamp of former use, and energy-saving efficiency is then higher.
Life-span long, operating period＞5 year.
4. do not generate heat security of operation, reliability height substantially.
5. circuit adopts and all to press mode, has solved semiconductor low-voltage device and the urban network electricity contradiction between pressing preferably, and the individual light source pipe unexpected impaired after, the illumination effect of lamp is unaffected.
6. easy installation simple in structure has good inheritance with various conventional lights, is beneficial to the production of mass tissue.
7. adopt hermetically-sealed construction and effective anti-lightning strike measure, product can be moved under rugged surroundings.
8. good P/C ratio is arranged.
Do technical indicator contrast (the green cover of reddish yellow three lamps) with 300mm signal lamp with traditional product below towards highway communication design: contrast project LED light fixture conventional lamp photochromic pure have white, light sense light-emitting area dishful is bright, myopia has netted sense middle bright, edge dark power consumption 70.4W/ cover 300-600W life-span pointolite＞200000H, whole lamp＞5 years non-maintaining type＜500H, keep cycle＜4 a month temperature rise and ignore that not influence the life of product flicker with the continuous flicker of the big adaptability of electrical characteristics smooth starting starting current unsuitable for part＞800 ℃, have a strong impact on year in life-span power consumption 2453 degree 21024 degree and year cost with 1642 yuan 12860 yuan
In a word, the utility model is the big promising product that a kind of existing social benefit has an economic benefit again.
Claims (7)
1. light emitting diode traffic lights, comprise lamp housing, trim ring, O-ring seal, diffuser, circuit board, light emitting diode matrix, described light emitting diode is fixed on the described circuit board, described circuit board is contained in the described lamp housing, described trim ring is fixed on the front end face of described lamp housing and with described diffuser and described lamp housing and fastens, described O-ring seal places between the buckling surface of described diffuser and described lamp housing, it is characterized in that: it also comprises the horn formula Tibetan light reflecting drum of dense arrangement, wherein:
Described diffuser is the diffuser that has in light action and diffuse scattering effect;
Each is hidden in the light reflecting drum a described light emitting diode is set, and its bottom is connected with described circuit board, and each big end of hiding the light reflecting drum interconnects, and forms cellular;
Circuit on the described circuit board is connected in series successively by rectification circuit, regulating circuit and led array circuit and constitutes, and led array circuit is made up of each light emitting diode circuit.
2. light emitting diode traffic lights as claimed in claim 1 is characterized in that: described led array circuit is composed in series by each light emitting diode circuit.
3. light emitting diode traffic lights as claimed in claim 1 is characterized in that: described led array circuit is composed in parallel by each light emitting diode circuit.
4. light emitting diode traffic lights as claimed in claim 2 is characterized in that: described each light emitting diode circuit is made of a light emitting diode and the parallel connection of a dividing potential drop continued flow resistance.
5. light emitting diode traffic lights as claimed in claim 2 is characterized in that: parallel connection constituted with a dividing potential drop continued flow resistance again after described each light emitting diode circuit was connected by a light emitting diode and a current-limiting resistance.
6. light emitting diode traffic lights as claimed in claim 3 is characterized in that: described each light emitting diode circuit is made of a light emitting diode and a current-limiting resistance series connection.
7. light emitting diode traffic lights as claimed in claim 3 is characterized in that: described each light emitting diode circuit is made of a plurality of light emitting diodes and a current-limiting resistance series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96244048 CN2264945Y (en) | 1996-11-15 | 1996-11-15 | Light-emitting diode traffic signal light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96244048 CN2264945Y (en) | 1996-11-15 | 1996-11-15 | Light-emitting diode traffic signal light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2264945Y true CN2264945Y (en) | 1997-10-15 |
Family
ID=33917497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96244048 Expired - Fee Related CN2264945Y (en) | 1996-11-15 | 1996-11-15 | Light-emitting diode traffic signal light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2264945Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100384303C (en) * | 2004-09-20 | 2008-04-23 | 刘耀进 | Semiconductor lighting and communication dual-purpose base station lamp |
| CN100456336C (en) * | 2004-07-08 | 2009-01-28 | 杨忠义 | Soft light LED traffic lights |
| CN101629699B (en) * | 2008-07-15 | 2011-05-18 | 东莞派拉蒙光电科技有限公司 | LED lamp structure with good luminous effect |
| CN104023448A (en) * | 2014-06-18 | 2014-09-03 | 无锡市崇安区科技创业服务中心 | Driving circuit of LED traffic signal lamp |
| CN108305472A (en) * | 2018-03-14 | 2018-07-20 | 淮海工学院 | A method of enhancing traffic lights penetrate haze ability |
-
1996
- 1996-11-15 CN CN 96244048 patent/CN2264945Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100456336C (en) * | 2004-07-08 | 2009-01-28 | 杨忠义 | Soft light LED traffic lights |
| CN100384303C (en) * | 2004-09-20 | 2008-04-23 | 刘耀进 | Semiconductor lighting and communication dual-purpose base station lamp |
| CN101629699B (en) * | 2008-07-15 | 2011-05-18 | 东莞派拉蒙光电科技有限公司 | LED lamp structure with good luminous effect |
| CN104023448A (en) * | 2014-06-18 | 2014-09-03 | 无锡市崇安区科技创业服务中心 | Driving circuit of LED traffic signal lamp |
| CN108305472A (en) * | 2018-03-14 | 2018-07-20 | 淮海工学院 | A method of enhancing traffic lights penetrate haze ability |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |