CN1168517A - Optical signal generator using for communication signal apparatus - Google Patents
Optical signal generator using for communication signal apparatus Download PDFInfo
- Publication number
- CN1168517A CN1168517A CN 97110076 CN97110076A CN1168517A CN 1168517 A CN1168517 A CN 1168517A CN 97110076 CN97110076 CN 97110076 CN 97110076 A CN97110076 A CN 97110076A CN 1168517 A CN1168517 A CN 1168517A
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- China
- Prior art keywords
- signal generator
- reflection shield
- light
- optical axis
- zone
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- 238000005286 illumination Methods 0.000 description 21
- 230000014509 gene expression Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
- F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
- Optical Communication System (AREA)
Abstract
Disclosed is a signal generator with a reflector (10) and a cover (14). The reflector (10) has a shape that can reflect light from light source (12) to the area (22) of a measuring screen, the midpoint of the measuring screen (20) is arranged at the lower part of the horizontal mid plane (HH) and is widened downwards, and the area (22) is approximately extended symmetrically at least relative to the vertical mid plane (VV). Light intensity distribution on the measuring screen (20) can basically reach the predetermined lever of the traffic signal equipment through the structure. The cover (14) can be simply formed by providing simple light units.
Description
The present invention relates to be used for the optical signal generator of traffic signals equipment.
This type of optical signal generator is open by GB-PS1140417.This optical signal generator comprises the cover cap of a reflection shield, a plurality of light source and a light-permeable.This type of optical signal generator must produce an above-mentioned light distribution and a light and distribute, and is visual with this from the light beam that above-mentioned direction penetrates.Under the situation of traffic signals equipment, traffic-control device for example, the light beam that must send from optical signal generator at first below tiltedly and the side be visual.Reflection shield is for the rotation parabolic structure, the light that light source was sent being reflected as a parallel beam generally speaking.At this, cover cap must contain the light unit, can make from the reflection shield beam reflected by it to turn to as follows, produces light distribution as indicated above.This moment, concrete lighting environment required different light distribution, and it is determined according to corresponding standard.Different light distribution produces by different cover caps.In addition, cover cap is through different synoptic diagram commonly used, and for example direction arrow is described, and produces a large amount of different enforcement modification that are used for cover cap with this.
Have following feature according to optical signal generator of the present invention: the optical signal generator that is used for traffic signals equipment, have a reflection shield (10), an at least one light source (12) and a cover cap (14) at the light-permeable of arranging from the spoke side of reflection shield (10) beam reflected, it is characterized in that, reflection shield constitutes as follows, be reflected as a light beam by its light from least one light source (12) emission, illuminate a measurement that is positioned at preceding about and optical axis (11) coaxial arrangement of signal generator during its no cover cap (14) and shield the zone (22) of (20), it is centered close to a Lower Half that comprises the surface level (HH) of optical axis (11), its downward broadening, and comprise optical axis (11) vertical plane (VV) both sides at least near symmetrical extend.It has following advantage: produce each above-mentioned light distribution basically from the reflection shield beam reflected, and can simply constitute reflection shield, and simplify the production of signal generator.Possible in addition is that a large amount of different cover caps of realization are implemented modification, because basically by the light generation light distribution separately from the reflection shield reflection.
Provide in the dependent claims according to advantageous embodiments of the present invention and improvement structure.Can be implemented in even illumination on the field of illumination by following improvement structure, on the reflecting surface of reflection shield, stack many unit that play the effect of control reflected light.
Three embodiment of the present invention are described with accompanying drawing and explain in detail in the following description.Fig. 1 is an optical signal generator on the vertical longitudinal section, Fig. 2 is the reflection shield according to the signal generator of first embodiment from seeing previously, Fig. 3 is the measurement screen that is arranged in the signal generator front, it is by throwing light on from the reflection shield beam reflected, Fig. 4 is the measurement screen when the beam lighting by sending from signal generator, Fig. 5 is the reflection shield according to second embodiment from seeing previously, Fig. 6 is the reflection shield along the vertical longitudinal profile of Fig. 5 VI-VI line, Fig. 7 is the reflection shield according to the 3rd embodiment from seeing previously, and Fig. 8 is for implementing the reflection shield of making amendment from what see previously according to the 3rd.
Fig. 1, one of 2 and 5 to 8 described optical signal generators are at traffic signals equipment, for example use in the traffic-control device.This signal generator contains a reflection shield 10, wherein can settle at least one light source 12, for example a green light.Reflection shield 10 can be made up of metal or plastics.The optical axis of reflection shield 10 is represented with 11.Signal generator comprises a cover cap 14 at the light-permeable of arranging from the spoke side of reflection shield 10 beam reflected in addition, and it is used for the light delivery outlet of enclosed signal generator and its and can carries out painted as required to the signal colour of signal generator.A plurality of signal generators can be arranged on the traffic signals equipment, three signal generators of arranged in succession on traffic lights for example, wherein, respectively signal generator have one become 14, one of red cover caps yellowly cover cap 14 with one becomes the cover cap 14 of green.Cover cap 14 can be made of glass or plastics.
Figure 2 shows that reflection shield 10 by the signal generator of first embodiment.Reflection shield 10 contains the reflective surface of bow, in Fig. 2, and the height that a lot of bar line 16 expressions equate.Altitude line 16 stretches on the plane perpendicular to the optical axis 11 of reflection shield 10.In Fig. 3, the measurements screen 20 that is positioned at signal generator before certain distance approximately coaxial with optical axis 11 has been described, it is by throwing light on from reflection shield 10 beam reflected.The horizontal mid-plane that comprises the measurement screen 20 of optical axis 11 represents with HH, and the vertical mid-plane that comprises optical axis 11 is represented with VV.Measure screen 20 by illuminating the zone of representing with 22 from reflection shield 10 beam reflected 20.The illumination that 24 expressions of 22 a lot of bar lines equate in the zone, promptly so-called grade bear line or etc. the Lux line.The bottom that is centered close to the horizontal mid-plane 22 of measuring screen 20 in zone 22, and should arrange in the both sides of vertical mid-plane VV near symmetrical at least in the zone.Zone 22 begins approximately to define with inverted U-shaped by line 26 from above, and it is containing its peak at least approx in vertical mid-plane VV, and extends downwards from vertical mid-plane VV with selected distance.Zone 22 limits by a line 28 downwards, and it should be similar to just in time at least or may approximately stretch with inverted U-shaped.Zone 22 downward broadenings are until following boundary line 28.Be positioned at the intersection point HV of horizontal mid-plane and vertical mid-plane VV or put some places below the HV in that the maximal illumination of zone in 22 is approximate.In zone 22, wait and to be similar to line 26,28 stretching, extensions at least by line 24.
The reflecting surface of reflection shield 10 can be as shown in Figure 3.Wherein, can progressively calculate the distribution that produces above-mentioned illumination from reflection shield 10 beam reflected.At this,,, produce all continuous reflection surfaces with this to determine to determine the subregion of arranged in succession with the mode of stepping based on the subregional smooth reflexive property of the smaller part that is used for reflection shield 10.In order to begin to calculate the reflection shield shape, can pre-determine a summit 13 that is positioned at the reflection shield 10 on the optical axis 11 apart from the luminophor certain distance of light source 12.The reflection shield shape is progressively calculated in 13 beginnings from the summit, wherein for each zone of reflection shield 10, from then on arrive reflection ray by how much reflexive properties, with respect to normal N, the angle of incidence of light that sends from light source 12 is α and emergence angle is equivalent β, and then the outgoing direction of normal N is used for determining relevant reflector space.Section T perpendicular to the normal N outgoing direction determines relevant reflecting surface, and determines its exit direction with this.Arranging each other of the reflector space of Que Dinging produces continuous reflecting surface so in succession.Reflection shield 10 can have the longitudinal section curve in its optical axis 11, and it is approximate parallel.In the cross section perpendicular to its optical axis 11, reflection shield 10 comprises the cross section curve of sub-elliptical, and wherein, its major semi-axis is approximately horizontally disposed.
People can obtain a reflection shield 10 in the above described manner, reach the Illumination Distribution that the front is improved with this light by reflection.Yet the illumination density on the field of illumination of signal generator, promptly on its illuminated cover cap 14, perhaps do not reach enough evenly.In order to reach uniform illumination density, cover cap 14 contains many smooth unit, its from reflection shield 10 beam reflected by the time play control action.In addition the light unit by cover cap 14 can from the light of reflection shield 10 reflections by the time be directed to definite direction illumination density is necessary because this is for producing uniformly on the field of illumination of signal generator.In Fig. 4, describe to measure screen 20 when illumination by light beam that signal generator sent by the situation after the cover cap 14.The zone 32 of measuring screen 20 is illuminated, and its summit is positioned at the Lower Half of horizontal mid-plane HH, and the both sides of vertical mid-plane VV approximately are symmetrically distributed.Zone 22 is approximately trapezium structure and downward broadening.Containing a lot of grades in zone 32 may line 34.
In the 2nd embodiment of one of Fig. 5 and Fig. 6 described signal generator, its reflection shield 10 as above formation.In order to reach illumination density average on the field of illumination of signal generator, can on the reflecting surface of reflection shield 10, contain the unit of control reflection ray effect.In a second embodiment, starting to control the unit that makes usefulness is the version with a lot of grooves 40, and it overlays on the reflecting surface of reflection shield 10.Groove 40 for example can be formed in the reflecting surface of reflection shield 10 as concave depressions.Interchangeable is that groove 40 also is formed in the reflecting surface as convex bump.Groove 40 can be arranged with optical axis 11 approximate coaxial stretching, extensions at least with annular.Reflection ray on the reflecting surface can be controlled at by groove 40, uniform illumination density on the field of illumination of signal generator can be reached with this.The width of groove 40 is fixed or variable for weighing apparatus on the entire emission face.Groove 40 preferably constitutes as follows, by its control reflected light, intercepts downwards to the guiding leading edge that light goes out the reflection shield 10 the equipment with preset distance from apex region 13 beginnings of reflection shield 10.Can both make near the zones that are positioned at the optical axis 11 reach enough illumination with this, also make on the field of illumination of optical axis 11 ambient signals generators, to reach uniform illumination density.
In Fig. 7, describe be the reflection shield 10 of signal generator according to the situation of the 3rd embodiment from seeing previously, wherein reflection shield 10 in principle as first embodiment constitute, and its reflecting surface has stacked many faceted pebbles 50.Each faceted pebble 50 can be essentially the structure of flat, convex or spill at this.Control reflection ray on the reflecting surface by these faceted pebbles 50, can on the field of illumination of signal generator, reach uniform illumination density with this.Faceted pebble 50 for example can be illustrated in figure 7 as matrix arrangements or about rectangular arrangement.Can arrange at this and be mounted to the faceted pebble 50 that consecutive line is up and down arranged to go the faceted pebble 50 of arranged in succession.Acting as by its control reflected light of faceted pebble 50 begins to intercept downwards to the guiding leading edge that light goes out the reflection shield 10 the equipment with preset distance from the apex region of reflection shield 10.
In Fig. 8, describe the embodiment of the reflection shield 10 that relative Fig. 7 revised, wherein changed the layout of faceted pebble 52.Install in succession with radial manner with respect to optical axis 11 at this each faceted pebble 52.Distinguish mutual mounting arrangements at the faceted pebble 52 that the longitudinal edge that adjoins each other is installed at this.This faceted pebble 52 is respectively arc-shaped structure.Faceted pebble 52 can be realized as structure and the effect that above-mentioned Fig. 7 provides.
Claims (10)
1, the optical signal generator that is used for traffic signals equipment, have a reflection shield (10), an at least one light source (12) and a cover cap (14) at the light-permeable of arranging from the spoke side of reflection shield (10) beam reflected, it is characterized in that, reflection shield constitutes as follows, be reflected as a light beam by its light from least one light source (12) emission, illuminate a measurement that is positioned at preceding about and optical axis (11) coaxial arrangement of signal generator during its no cover cap (14) and shield the zone (22) of (20), it is centered close to a Lower Half that comprises the surface level (HH) of optical axis (11), its downward broadening, and comprise optical axis (11) vertical plane (VV) both sides at least near symmetrical extend.
2, signal generator as claimed in claim 1 is characterized in that, following boundary line (28) is arrived in zone (22) broadening always.
3, signal generator as claimed in claim 1 or 2 is characterized in that, by upwards limiting approx with inverted U-shaped at least by line (26) in the zone (22) that measurement screen (20) illuminates from reflection shield (10) beam reflected.
4, as the described signal generator of one of above-mentioned claim, it is characterized in that, stacked many unit (40,50,52) that play the effect of control reflected light at the reflecting surface of reflection shield (10).
5, signal generator as claimed in claim 4 is characterized in that, the unit of control light constitutes as the groove of installing in succession (40).
6, signal generator as claimed in claim 5 is characterized in that, groove (40) stretches around the approximate at least coaxial annular of optical axis (11) ground of reflection shield (10).
7, signal generator as claimed in claim 4 is characterized in that, the unit of control light constitutes as faceted pebble (50,52).
8, signal generator as claimed in claim 7 is characterized in that, faceted pebble (50) with matrix arrangement on reflection shield (10).
9, signal generator as claimed in claim 7 is characterized in that, a lot of faceted pebbles (52) with respect to the optical axis (11) of reflection shield (10) separately with radial manner mounting arrangements in succession.
10, signal generator as claimed in claim 7 is characterized in that, faceted pebble (52) is an arc-shaped structure.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19614402.7 | 1996-04-12 | ||
| DE19614402 | 1996-04-12 | ||
| DE19627940.2 | 1996-07-11 | ||
| DE19627940A DE19627940A1 (en) | 1996-04-12 | 1996-07-11 | Optical signal generator for traffic signal systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1168517A true CN1168517A (en) | 1997-12-24 |
Family
ID=26024664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97110076 Pending CN1168517A (en) | 1996-04-12 | 1997-04-11 | Optical signal generator using for communication signal apparatus |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0801369B1 (en) |
| CN (1) | CN1168517A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244906A (en) * | 2012-02-10 | 2013-08-14 | 伊古齐尼照明有限公司 | Uniform lighting reflector for lighting apparatuses |
| CN108150961A (en) * | 2017-11-03 | 2018-06-12 | 华定谟 | High beam and motor vehicle |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6729746B2 (en) | 2000-03-14 | 2004-05-04 | Toyoda Gosei Co., Ltd. | Light source device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1738426A (en) * | 1928-03-10 | 1929-12-03 | Sunshine Inc | Light reflector |
| US3379869A (en) | 1966-03-23 | 1968-04-23 | Corning Glass Works | Variable intensity lamp |
| NL179089C (en) * | 1975-04-18 | 1986-07-01 | Philips Nv | REFLEKTOR WITH LONG-LIGHT SOURCE. |
| US4021659A (en) * | 1975-10-30 | 1977-05-03 | General Electric Company | Projector lamp reflector |
| GB2013323B (en) * | 1978-01-28 | 1982-05-06 | Plessey Co Ltd | Illumination apparatus |
| US4962450A (en) * | 1987-01-19 | 1990-10-09 | Reshetin Evgeny F | Light signalling device |
-
1997
- 1997-01-29 EP EP19970101305 patent/EP0801369B1/en not_active Expired - Lifetime
- 1997-04-11 CN CN 97110076 patent/CN1168517A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244906A (en) * | 2012-02-10 | 2013-08-14 | 伊古齐尼照明有限公司 | Uniform lighting reflector for lighting apparatuses |
| CN108150961A (en) * | 2017-11-03 | 2018-06-12 | 华定谟 | High beam and motor vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0801369B1 (en) | 2001-07-25 |
| EP0801369A1 (en) | 1997-10-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: CIGENOBER - HEBO CO., LTD. Free format text: FORMER OWNER: ROBERT BOSCH GMBH Effective date: 20020104 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20020104 Applicant after: CIGNA Bao - wave Co. Ltd. Applicant before: Robert Bosch GmbH |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |