CN201680227U - Mixed light signal lamp - Google Patents
Mixed light signal lamp Download PDFInfo
- Publication number
- CN201680227U CN201680227U CN2009202745526U CN200920274552U CN201680227U CN 201680227 U CN201680227 U CN 201680227U CN 2009202745526 U CN2009202745526 U CN 2009202745526U CN 200920274552 U CN200920274552 U CN 200920274552U CN 201680227 U CN201680227 U CN 201680227U
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- light
- signal lamp
- red signal
- lamp used
- light emitting
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Abstract
The utility model provides a mixed light signal lamp, which is characterized in that a light-emitting unit is arranged between a lamp housing and a light-transmitting cover of the signal lamp, the light-emitting unit is provided with a light cavity and a plurality of light-emitting diodes, light rays of the light-emitting diodes firstly pass through the light cavity, and all the light rays are mixed by the light cavity to form a novel light source. Accordingly, an even light-emitting surface is formed when the light source projects out of the light-transmitting cover. As the light rays of all the light-emitting diodes are mixed, black blocks can not be caused to affect the visual effect of the light-emitting surface when minority light-emitting diodes fail. Furthermore, the mixed light signal lamp is applicable for combination of lamp housings with various thicknesses and light-transmitting covers, can continue using the structure of an existing signal lamp, and substantially reduces the arrangement cost of the signal lamp.
Description
Technical field
The utility model is meant a kind of with the mixed light type red signal lamp used by rail workers of light emitting diode as light emitting source relevant for traffic signal light especially.
Background technology
The traffic signal light power consumption of conventional incandescent bulb type is big, the life-span short, therefore, traffic signal light majority has now changed with light emitting diode as light emitting source, with by light emitting diode power saving, energy-conservation, advantage that the life-span is long, reduces the maintenance cost of traffic signal light.
Wherein, the light emitting diode kind is numerous, but in the use of traffic signal light, mainly based on through hole type light emitting diode (through hole LED) and High Power LED (high power LED) both.
The former, as shown in Figure 1, the traffic signal light schematic appearance of through hole type light emitting diode.Directly light emitting diode 110 is arranged on the PCB substrate 120 with puncturing technique, therefore can significantly reduce traffic signal light thickness, but also because the luminous visible angle of each light emitting diode 110 is little, therefore visual effect presents the visual experience of array spot light, and do not have that traditional based on halogen bulb comes evenly, and when the light emitting diode on the substrate 120 110 has damage, lamp face 130 also will have cavitation, in case empty quantity increases, nature forms obvious black block at the lamp face 130 of red signal lamp used by rail workers, thereby gives the bad visual experience of people.
The latter, as shown in Figure 2, the traffic signal light schematic appearance of High Power LED.With High Power LED 140 closely spaced arrays on an aluminum substrate (Al PCB) 150, to strengthen red signal lamp used by rail workers lighting angle and luminous intensity, disperse direction with lens 160 about light source beams again, therefore there are not lattice array light source visual experience and black block generation situation, but the radiating effect of aluminum substrate 150 is not sufficient to deal with the light emitting diode 140 generation heat energy of high density arrays, cause light emitting diode 140 to lose efficacy easily, moreover, in order to receive light, therefore red signal lamp used by rail workers lamp housing bonnet 170 degree of depth must extend, in other words, the lamp box of some existing red signal lamp used by rail workers also can't be provided with the High Power LED red signal lamp used by rail workers and must whole eliminating change, also therefore install described kind red signal lamp used by rail workers, certainly will produce the high expense of changing of eliminating.
Also therefore, the utility model is at the traffic sign modulated structure of above-mentioned puzzlement improvement light emitting diode, with the existing shortcoming of effective improvement.
Summary of the invention
The utility model main purpose is to provide a kind of mixed light type red signal lamp used by rail workers, it is suitable for lamp housing and the diffuser combination and the lamp box of multiple volume, and have even, comfortable light-emitting area, and not because the part led failure promptly produces cavity or black block in light-emitting area.
The utility model secondary objective is to provide a kind of mixed light type red signal lamp used by rail workers, and it is energy-conservation, and power saving, life-span are long, and can reduce red signal lamp used by rail workers maintaining expense.
The another purpose of the utility model is to provide a kind of mixed light type red signal lamp used by rail workers, and it can continue to use present red signal lamp used by rail workers lamp housing, thereby reduces the mounting cost expenditure.
The another purpose of the utility model is to provide a kind of mixed light type red signal lamp used by rail workers, and its red signal lamp used by rail workers sun phantom (sunphantom) situation can reduce.
For reaching above-mentioned purpose, the utility model provides a kind of mixed light type red signal lamp used by rail workers, comprising:
One lamp housing has an opening;
One luminescence unit is located in the described lamp housing, and described luminescence unit comprises a plurality of light emitting diodes and an optical cavity, and described optical cavity also mixes the light of described a plurality of light emitting diodes and throws a light source towards described opening; And
One diffuser is installed on the described opening of described lamp housing.
During enforcement, described optical cavity comprises an involutory front shroud and a back casing, described front shroud is provided with a plurality of through holes and towards described diffuser, can be in the described back casing for the described light emitting diode of Denging is set, in the described optical cavity and with air or a LGP as medium, in order to producing described light source behind the light of the described a plurality of light emitting diodes of homogenize, and invest described opening through described a plurality of through holes.
During enforcement, described a plurality of light emitting diodes position and described a plurality of through hole stagger, and can be located at the inner face or the side of described back casing.
During enforcement, described front shroud has a dark face towards described diffuser.
During enforcement, described front shroud and described back casing are integrally formed.
During enforcement, described optical cavity inner surface forms the film of a high reflectance in the mode of electroplating or pasting tinsel.
During enforcement, described luminescence unit comprises that more a control panel is located in the described lamp housing, and the described a plurality of light emitting diodes of described control panel line flicker to control described a plurality of light emitting diode.
During enforcement, mixed light type red signal lamp used by rail workers described in the utility model more comprises a shading pad, and this shading pad is located between described luminescence unit and described diffuser, and described shading spacer has a plurality of holes, passes through for described light source.
During enforcement, mixed light type red signal lamp used by rail workers described in the utility model comprises that more at least one lens are located in the described lamp housing between described luminescence unit and described diffuser.
During enforcement, described diffuser is lens.
Compared with prior art, mixed light type red signal lamp used by rail workers described in the utility model is provided with a luminescence unit in a lamp housing of red signal lamp used by rail workers, and is covered with a diffuser at an opening of lamp housing.Wherein:
Luminescence unit mainly comprises a plurality of light emitting diodes and an optical cavity, and light emitting diode is towards the optical cavity throw light, behind the mixed described light that waits light emitting diode of optical cavity, throws a light source towards the opening of lamp housing.By this, the light of light source after by mixed light produces, and will form the uniformly light-emitting face and do not have point-like array vision and the generation of empty situation when light source projects goes out diffuser.
Beneath by the appended graphic explanation in detail of specific embodiment cooperation, when the effect that is easier to understand purpose of the present invention, technology contents, characteristics and is reached.
Description of drawings
Fig. 1 is existing a kind of traffic signal light schematic appearance;
Fig. 2 is existing another kind of traffic signal light schematic appearance;
Fig. 3 is the stereogram of the utility model first embodiment;
Fig. 4 is the exploded view of the utility model first embodiment;
Fig. 5 is the cutaway view of the utility model first embodiment;
Fig. 6 is the cutaway view of the utility model second embodiment;
Fig. 7 is the cutaway view of the utility model the 3rd embodiment;
Fig. 8 is the utility model cutaway view of an embodiment again.
Description of reference numerals: 10-lamp housing; The 11-opening; The 20-diffuser; The 30-control panel; The 40-luminescence unit; The 41-optical cavity; The 411-front shroud; The 412-through hole; The 413-back casing; The 42-light emitting diode; The 43-LGP; The 431-pattern; 50-shading pad; The 51-hole; The 60-lens; The 110-light emitting diode; The 120-substrate; 130-lamp face; The 140-light emitting diode; The 150-aluminum substrate; The 160-lens; The 170-bonnet.
The specific embodiment
Because the existing red signal lamp used by rail workers of through hole type light emitting diode (through hole LED) that uses has array spot light visual experience easily, this kind spot light presentation mode highlights the cavity position of inefficacy light emitting diode easily; And the another kind of red signal lamp used by rail workers that uses High Power LED (High power LED), though there is not aforementioned problem, but must deepen the lamp housing bonnet degree of depth for the long spacing of light source and the required projection of Fresnel Lenses (fresnel lens), therefore the lamp box that can't continue to use original red signal lamp used by rail workers uses, and causes that cost is set is unprecedented soaring.Therefore, the utility model proposes a kind of mixed light type red signal lamp used by rail workers,, can under the situation that does not increase lamp housing thickness, produce the uniform source of light face, and improve the significantly existing shortcoming of cavity position in order to be suitable for all existing red signal lamp used by rail workers lamp box structures.
As shown in Figure 3 and Figure 4, be respectively the utility model provide mixed light type red signal lamp used by rail workers constitutional diagram and the exploded view of first embodiment.As shown in the figure, one mixed light type red signal lamp used by rail workers includes: a lamp housing 10, lamp housing 10 front ends have an opening 11, are being covered with a diffuser 20 on the opening 11, are sequentially provided with a control panel 30, a luminescence unit 40, a shading pad 50 and lens 60 at lamp housing 10 and 20 of diffusers; Cooperation is with reference to Fig. 5, and wherein, control panel 30 connects external circuit, in order to receive extraneous control signal and power supply; And luminescence unit 40 has an optical cavity 41, optical cavity 41 is by a front shroud 411 and 413 involutory compositions an of back casing, middle with air as medium, an ancient piece of jade, round, flat and with a hole in its centre and to electroplate or the mode of sticky metals paillon foil forms the high reflectance metallic film within it, again, (sun phantom) causes the situation of judging cresset with passerby by accident for fear of sun phantom, and front shroud 411 outer surfaces are that aterrimus has light absorptive, body portion more is provided with a plurality of through holes 412, to export as the light source in the optical cavity 41; And the inner face forward of back casing 413 is provided with a plurality of light emitting diodes 42 and is all electrically connecting control panel 30, drive light emitting diode 42 starts to receive control signal by control panel 30, stagger in through hole 412 positions of the Position Design of all light emitting diodes 42 and front shroud 411, the light that makes light emitting diode 42 produce can directly not pass through through hole 412, but get to earlier after ancient piece of jade, round, flat and with a hole in its centre faces repeatedly reflect in the optical cavity 41, launch by the through hole 412 of front shroud 411 again, with mixed light newly-generated one uniform new light sources.
In addition, also cause the situation of judging cresset with passerby by accident for fear of sun phantom (sun phantom), be shading pad 50 to be set in optical cavity 41 the place aheads, described shading pad 50 contrast through holes 412 positions also are provided with hole 51, and the surface, two sides is all aterrimus and has light absorptive, owing to front shroud 411 outer surfaces are former for aterrimus has the extinction effect, therefore, add behind the shading pad 50 and will more can strengthen the ability of the anti-sun phantom of the utility model mixed light type red signal lamp used by rail workers.Moreover lens 60 are in order to beam split or optically focused, and lens 60 are arranged between diffuser 20 and the shading pad 50, to reconfigure the light source of being derived by optical cavity 41, meet the optics requirement of various countries for LED traffic signal light standard by this.When single lens 60 can't limit light source and forms needed light and distribute; also can select corrected lens to be used as diffuser 20 uses; thus; diffuser 20 not only has the effect of protection internals cleaning; simultaneously can also change the distribution of light sources state; in other words, the lens 60 in the lamp housing 10 can be in order to receive light, and outside diffuser 20 then has the luminous intensity distribution effect concurrently.
Utilize the said structure setting, when control panel 30 drives light emitting diode 42 generation light, all light all will project earlier on the interior ancient piece of jade, round, flat and with a hole in its centre face of optical cavity 41, because an ancient piece of jade, round, flat and with a hole in its centre has high reflectance in the optical cavity 41, therefore can in optical cavity 41, become the light of the confusion that interweaves through repeatedly reflecting, to merge a newborn uniform light source, newborn light source is through through hole 412, lens 60, forms a uniformly light-emitting face and dispersed by diffuser 20.
By this, mixed light type red signal lamp used by rail workers of the present utility model does not have point-like array visual experience, and enclose in the light-emitting area with zone line and all same brightness will be arranged, in addition, because light is mixed light in optical cavity 41 earlier, therefore minority light emitting diode 42 lost efficacy and did not influence last projection source, that is to say, this red signal lamp used by rail workers can not have the cavity to produce because of the inefficacy of light emitting diode 42, therefore there is not the disappearance that the black block causes bad visual impression yet, therefore and deducibility red signal lamp used by rail workers of the present utility model can not need frequent maintaining, manages and protects expense and can reduce red signal lamp used by rail workers.On the other hand, when extraneous sunlight entered diffuser 20, its light wave can be absorbed by the black outer surface of the dark surface of shading pad 50 and front shroud 411, and then also had the effect of anti-sun phantom.
Previous embodiment as optical cavity 41 mixed light media, and cooperates specification the utility model spirit of ancient piece of jade, round, flat and with a hole in its centre face in optical cavity 41 high reflectances with air.In addition, the utility model also can utilize a LGP (lightguide) 43 to be arranged on to carry out mixed light in the optical cavity 41, as shown in Figure 6, in a second embodiment, light emitting diode 42 side direction are to LGP 43 light inlets, light is at LGP 43 inner mixed lights, again by pattern (patterns) 431 bright dippings on LGP 43 surfaces, each pattern 431 all corresponding a through hole 412, therefore newborn light source equally can be via pattern 431, the through hole 412 of front shroud 411, lens 60, form an even exiting surface at diffuser 20 at last, and because of 42 of light emitting diodes at LGP 43 sides, thereby can adapt in the more shallow red signal lamp used by rail workers of the degree of depth.Because all the other structures are all identical with Fig. 5, therefore do not repeat them here.
Moreover in other words another advantage of the utility model, promptly is lamp housing and the diffuser that keeps existing red signal lamp used by rail workers for continuing to use the design of existing livery lamp housing 10 bodies, utilizes the mode of newly-increased luminescence unit 40 to finish the utility model red signal lamp used by rail workers structure.As shown in Figure 7, the utility model red signal lamp used by rail workers is continued to use one the 3rd embodiment of existing red signal lamp used by rail workers structure, wherein, the diffuser 20 that leans forward is mainly used to reduce sun phantom (sun phantom), and in described embodiment, luminescence unit 40 is arranged between lamp housing 10 and the diffuser 20 equally, and among the described embodiment, the front shroud 411 of optical cavity 41 is integrally formed with back casing 413, and at this moment, light emitting diode 42 embeds its inside by optical cavity 41 sides.By this, the utility model red signal lamp used by rail workers structure can effectively reduce and eliminate the cost of changing red signal lamp used by rail workers.
In addition, again with reference to shown in Figure 8, cutaway view for the another embodiment of the utility model, it is in conjunction with the architectural feature of first embodiment and the 3rd embodiment, and comprise a lamp housing 10, a FC diffuser 20, a control panel 30 and a luminescence unit 40, wherein as medium, the light of light emitting diode 42 directly projects on the diffuser 20 and outwards projection by through hole 412 after optical cavity 41 mixes the optical cavity 41 of luminescence unit 40 with air.Also in order to proof, by the setting of luminescence unit 40, can reach the utility model main purpose, in other words, the utility model mixed light type red signal lamp used by rail workers is looked closely actual use situation and is set up lens and light shield, but is not for necessarily.
Above-mentioned, by embodiment characteristics of the present utility model are described, its purpose makes those of ordinary skills can understand content of the present utility model and is implementing according to this, and non-limiting claim of the present utility model, therefore all other do not break away from the spirit that the utility model discloses and the equivalence of finishing modified or revised, and must be included in the claim of the following stated.
Claims (10)
1. a mixed light type red signal lamp used by rail workers is characterized in that, comprising:
One lamp housing has an opening;
One luminescence unit is located in the described lamp housing, and described luminescence unit comprises a plurality of light emitting diodes and an optical cavity, and described optical cavity also mixes the light of described a plurality of light emitting diodes and throws a light source towards described opening; And
One diffuser is installed on the described opening of described lamp housing.
2. mixed light type red signal lamp used by rail workers as claimed in claim 1, it is characterized in that, described optical cavity comprises an involutory front shroud and a back casing, described front shroud is provided with a plurality of through holes and towards described diffuser, can be in the described back casing for the described light emitting diode of Denging is set, as medium, in order to producing described light source behind the light of the described a plurality of light emitting diodes of homogenize, and invest described opening in the described optical cavity and with air or a LGP through described a plurality of through holes.
3. mixed light type red signal lamp used by rail workers as claimed in claim 2 is characterized in that, described a plurality of light emitting diodes position and described a plurality of through hole stagger, and can be located at the inner face or the side of described back casing.
4. mixed light type red signal lamp used by rail workers as claimed in claim 2 is characterized in that, described front shroud has a dark face towards described diffuser.
5. mixed light type red signal lamp used by rail workers as claimed in claim 2 is characterized in that described front shroud and described back casing are integrally formed.
6. mixed light type red signal lamp used by rail workers as claimed in claim 2 is characterized in that, described optical cavity inner surface forms the film of a high reflectance in the mode of electroplating or pasting tinsel.
7. mixed light type red signal lamp used by rail workers as claimed in claim 1 is characterized in that, described luminescence unit comprises that more a control panel is located in the described lamp housing, and the described a plurality of light emitting diodes of described control panel line flicker to control described a plurality of light emitting diode.
8. mixed light type red signal lamp used by rail workers as claimed in claim 1 is characterized in that, more comprises a shading pad, and this shading pad is located between described luminescence unit and described diffuser, and described shading spacer has a plurality of holes, passes through for described light source.
9. mixed light type red signal lamp used by rail workers as claimed in claim 1 is characterized in that, comprises that more at least one lens are located in the described lamp housing between described luminescence unit and described diffuser.
10. mixed light type red signal lamp used by rail workers as claimed in claim 1 is characterized in that described diffuser is lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202745526U CN201680227U (en) | 2009-12-10 | 2009-12-10 | Mixed light signal lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202745526U CN201680227U (en) | 2009-12-10 | 2009-12-10 | Mixed light signal lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201680227U true CN201680227U (en) | 2010-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202745526U Expired - Fee Related CN201680227U (en) | 2009-12-10 | 2009-12-10 | Mixed light signal lamp |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102401315A (en) * | 2011-11-30 | 2012-04-04 | 浙江中宙照明科技有限公司 | Light emitting diode (LED) lamp with anti-glare effect |
| CN103123067A (en) * | 2011-11-17 | 2013-05-29 | 欧司朗股份有限公司 | Light-emitting diode (LED) lighting device |
| CN103198684A (en) * | 2013-04-07 | 2013-07-10 | 杨求兰 | Single lamp face light-emitting diode (LED) traffic signal lamp |
| CN104698579A (en) * | 2013-12-05 | 2015-06-10 | 马田专业公司 | Projecting light fixture with a plurality of lenslets packed in an optimized dense circular pattern |
| CN105937711A (en) * | 2016-06-23 | 2016-09-14 | 上海创波光电科技有限公司 | High-uniformity illuminant structure |
| CN103123067B (en) * | 2011-11-17 | 2016-12-14 | 欧司朗股份有限公司 | LED light device |
| CN106338042A (en) * | 2015-07-10 | 2017-01-18 | 敏翔股份有限公司 | Vehicular lamp body structure |
| CN110035207A (en) * | 2019-03-29 | 2019-07-19 | 中国科学院长春光学精密机械与物理研究所 | A kind of cylindrical sealing structure of imaging system |
-
2009
- 2009-12-10 CN CN2009202745526U patent/CN201680227U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123067A (en) * | 2011-11-17 | 2013-05-29 | 欧司朗股份有限公司 | Light-emitting diode (LED) lighting device |
| US9360192B2 (en) | 2011-11-17 | 2016-06-07 | Osram Gmbh | LED illuminating device |
| CN103123067B (en) * | 2011-11-17 | 2016-12-14 | 欧司朗股份有限公司 | LED light device |
| CN102401315A (en) * | 2011-11-30 | 2012-04-04 | 浙江中宙照明科技有限公司 | Light emitting diode (LED) lamp with anti-glare effect |
| CN103198684A (en) * | 2013-04-07 | 2013-07-10 | 杨求兰 | Single lamp face light-emitting diode (LED) traffic signal lamp |
| CN104698579A (en) * | 2013-12-05 | 2015-06-10 | 马田专业公司 | Projecting light fixture with a plurality of lenslets packed in an optimized dense circular pattern |
| CN104698579B (en) * | 2013-12-05 | 2019-09-27 | 哈曼专业丹麦公司 | With the condenser to optimize multiple lenslets of intensive circular pattern packaging |
| US10502391B2 (en) | 2013-12-05 | 2019-12-10 | Harman Professional Denmark Aps | Light collector with a plurality of lenslets packed in an optimized dense circular pattern |
| CN106338042A (en) * | 2015-07-10 | 2017-01-18 | 敏翔股份有限公司 | Vehicular lamp body structure |
| CN106338042B (en) * | 2015-07-10 | 2018-11-02 | 敏翔股份有限公司 | Vehicles lamp body structure |
| CN105937711A (en) * | 2016-06-23 | 2016-09-14 | 上海创波光电科技有限公司 | High-uniformity illuminant structure |
| CN110035207A (en) * | 2019-03-29 | 2019-07-19 | 中国科学院长春光学精密机械与物理研究所 | A kind of cylindrical sealing structure of imaging system |
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| Date | Code | Title | Description |
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| 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: 20101222 Termination date: 20151210 |
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| EXPY | Termination of patent right or utility model |