WO2014015599A1 - Lampe à signal de del - Google Patents

Lampe à signal de del Download PDF

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Publication number
WO2014015599A1
WO2014015599A1 PCT/CN2012/085349 CN2012085349W WO2014015599A1 WO 2014015599 A1 WO2014015599 A1 WO 2014015599A1 CN 2012085349 W CN2012085349 W CN 2012085349W WO 2014015599 A1 WO2014015599 A1 WO 2014015599A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
led
white
signal lamp
white led
Prior art date
Application number
PCT/CN2012/085349
Other languages
English (en)
Chinese (zh)
Inventor
张文虎
Original Assignee
Zhang Wenhu
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201210264965.2A external-priority patent/CN102767726B/zh
Priority claimed from CN2012203702159U external-priority patent/CN202972593U/zh
Application filed by Zhang Wenhu filed Critical Zhang Wenhu
Publication of WO2014015599A1 publication Critical patent/WO2014015599A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
    • F21V9/08—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters for producing coloured light, e.g. monochromatic; for reducing intensity of light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2107/00—Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/30—Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a signal lamp, in particular to a signal lamp using a white light LED as a light source.
  • Warning lights such as warning lights, beacon lights, etc. usually use colored light to give warning and reminders. For example, police or firefighters usually use red and blue alternate lights or red light warning lights, yellow warning lights for construction accidents, and blue warning lights for ambulances.
  • the warning light also provides a flash, which can be realized by a small motor driving the half-shade to continuously rotate to give a flashing pattern or to provide a flash circuit in the chip.
  • LEDs have become a new type of light source after incandescent lamps, fluorescent lamps and gas discharge lamps. They have many advantages that other illumination sources do not have, such as low voltage, long life, small size, light weight, fast response, no radiation, no Pollution and resistance to various harsh conditions. Therefore, the signal light with LED as the light source is a new trend.
  • the signal light generally uses colored light to distinguish and play a vigilant role.
  • a conventional LED signal lamp can use a red chip, a blue chip, and a yellow chip packaged in a transparent lamp cover to generate corresponding red, blue, and yellow light.
  • the existing research direction is mainly focused on white LEDs, it is rare to study these red chips, blue chips and yellow chips separately. That is to say, the effective luminous flux of white LEDs can now reach a higher value and is constantly improving, but the effective luminous flux of these colored LED chips is still maintained at a low value, thereby providing colored light by installing colored LED chips. The efficiency is relatively low.
  • the existing research mainly focuses on improving the luminous flux of the LED chip light source, and it is rare to improve the overall physical structure of the LED luminaire to reduce the light loss. That is to say, the existing research rarely reduces the structure of the LED luminaire to reduce it. Illumination blind zone, and achieve concentrating effect, thereby improving the luminous efficiency of the LED lamp.
  • a main object of the present invention is to provide an LED signal lamp having a white LED illuminant as a light source, and a filter disposed on a light path of the white LED illuminant source, the filter to the white LED At least a portion of the light from the illuminator is filtered into non-white light to form a non-white light signal using the white LED illuminator.
  • Another object of the present invention is to provide an LED signal lamp comprising a plurality of columns of the white LED illuminators sequentially arranged end to end and the corresponding plurality of columns of the filters, thereby causing the plurality of columns of white LEDs to emit light
  • the body provides uniform annular light.
  • Another object of the present invention is to provide an LED signal lamp, which is located in front of the white LED illuminator and has a condensing effect on the white LED illuminator, thereby generating a condensing effect.
  • the filter is also a filter to function to filter white light emitted by the white LED illuminator into color signal light. That is, the filter of the LED signal lamp of the present invention can serve two purposes, concentrating and color filtering.
  • Another object of the present invention is to provide an LED signal lamp, which is provided with a filter and a reflective surface for each of the white LED illuminators to converge the light emitted by the LED illuminator, thereby using Color LED illuminator, enhanced light intensity.
  • Another object of the present invention is to provide an LED signal lamp.
  • the signal lamp uses a color LED chip as a light source.
  • a transparent cover is used, and the LED signal lamp of the present invention can be directly used.
  • a cover of a desired color that is, a color cover can be used, so that light emitted from the white LED illuminator penetrates the color light distributor to form a relatively high-purity color light, and the color light cover itself can be decorated or The role of warnings.
  • Another object of the present invention is to provide an LED signal lamp, which is a light source, such as a yellow LED, which is attenuated by about 50% within 30 minutes, compared to the prior art using a color light LED illuminator as a light source, and the LED signal lamp of the present invention
  • the white LED illuminant is used as the light source, and the white LED is substantially not attenuated, so that the LED signal lamp of the present invention can obtain a relatively high light intensity.
  • Another object of the present invention is to provide an LED signal lamp, which uses the white LED illuminator instead of a color light LED illuminant such as a red LED illuminator, a blue LED illuminator, a yellow LED illuminator, etc., and has a simple structure. Easy to make and low cost.
  • an LED signal lamp comprising:
  • At least one white LED illuminator At least one white LED illuminator
  • At least one filter the at least one filter being respectively disposed on the at least one white LED illuminator At least a portion of the light emitted by the white LED illuminator is filtered into a predetermined color of non-white light.
  • the filter is located at a position on the light path of the corresponding white LED illuminator having a concentrating effect, thereby simultaneously concentrating and allowing the predetermined color of light to pass through. The role.
  • the filter comprises a lens having a collecting effect, preferably the lens is a convex lens or a Fresnel lens having filter properties.
  • the LED signal light further includes at least one reflective surface, and the emitted light from the corresponding white LED illuminator reaches the reflective surface and is reflected and projected in the same direction, thereby concentrating The role of light.
  • the light reflected by the reflective surface is projected in the same direction as the filtered light of the filter.
  • the reflective surface is the inner surface of a retroreflective device.
  • each of the white LED illuminators further includes a heat dissipating device, the heat dissipating device includes a heat dissipating circuit board and a heat sink connected to the heat dissipating circuit board, and the white LED illuminator is connected to the heat dissipating body circuit board.
  • each of the white LED illuminators is further provided with a heat dissipating device, and the reflecting surface may be an inner surface of the heat dissipating device or an inner surface of a separately disposed reflecting component.
  • the LED signal light further includes a housing, the housing including a light distributor, the light distributor only allowing light of the predetermined color to pass therethrough.
  • the light distributor further functions to distribute the direction in which the light is projected.
  • each of the filters is mounted in position by at least one mounting member and a corresponding one of the heat dissipation circuit boards or the optical distributor.
  • the at least one white LED illuminator is arranged to provide an annular range of light at an angle of 360°.
  • the at least one white LED illuminator is arranged to include a plurality of columns of the white LED illuminators, and each column of the white LED illuminators comprises one or more of the white LED illuminators, a plurality of columns
  • the straight lines in which the white LED illuminators are located intersect to be arranged in a polygonal shape such that the white LED illuminators provide circular signal light.
  • the regular polygon is selected from the group consisting of: an equilateral triangle, a regular quadrangle, a regular hexagon, a regular octagon, and a regular dodecagonal or other regular polygon.
  • the predetermined color is selected from one of red, blue, yellow, green, and purple.
  • the LED signal light is selected from the group consisting of a police light, a navigation light, an aviation obstacle light, and a ship navigation light. According to another aspect of the present invention, there is provided a method of forming an LED signal lamp, the method comprising the steps of:
  • an LED signal lamp including:
  • At least one LED illuminator At least one LED illuminator
  • the at least one optical processor is respectively disposed on a light path of the at least one LED illuminator to radially converge at least a portion of the ray emitted by the LED illuminator and project it.
  • the LED signal lamp further includes at least one reflective surface, wherein the at least one LED illuminator is respectively disposed in a receiving cavity formed by the reflective surface, and the reflective surface is used for reflecting part of the LED illuminating The light emitted by the body, the partially reflected light is projected in the same direction as the light filtered by the light processor.
  • the LED illuminator is a white LED illuminator
  • the photo processor further has a filtering effect to at least partially white light emitted by the white LED illuminator passing through the photo processor. The light is filtered into a monochromatic light of a predetermined color.
  • the optical processor is a Fresnel lens or a convex lens having a filtering property, and the Fresnel lens or the convex lens is disposed at a position having a collecting effect, so that the light processing
  • the device functions as a filter and a concentrating light.
  • the optical processor is a Fresnel lens or a convex lens having a condensing effect
  • the LED illuminator is selected from the group consisting of a white LED illuminator, a yellow LED illuminator, a red LED illuminator, and a blue light.
  • a white LED illuminator a yellow LED illuminator
  • a red LED illuminator a blue light.
  • the plurality of white LED illuminators are arranged in a plurality of columns of white LED illuminators, and the lines in which the plurality of columns of white LED illuminators are located intersect to be arranged in a polygonal shape to provide annular light.
  • each column of white LED illuminators comprises one or more of said white LED illuminators, the lines of said plurality of columns of white LED illuminators intersecting to form a regular polygon.
  • the predetermined color is red, blue, yellow, green, or purple.
  • the reflective surface is a paraboloid of a retroreflective device or an inner surface of a heat dissipating device.
  • the LED signal light further includes a housing, the housing including an optical splitter, the optical splitter being an outer lens to allow only light of the predetermined color to pass therethrough.
  • Figure 1 is an exploded perspective view of an LED signal lamp in accordance with a preferred embodiment of the present invention.
  • Fig. 2 is a view showing the configuration of an outline of an LED signal lamp according to the above preferred embodiment of the present invention.
  • Figure 3 is a cross-sectional view of an LED signal lamp in accordance with the above preferred embodiment of the present invention.
  • Fig. 4 is a view showing the internal structure of an LED signal lamp in accordance with the above preferred embodiment of the present invention.
  • Figure 5 is a cross-sectional view of an LED signal lamp according to the above preferred embodiment of the present invention, showing white light
  • the light emitted by the LED illuminator is concentrated by the filter and filtered into the desired color.
  • Figure 6A is a partial enlarged cross-sectional view of an LED signal lamp in accordance with another preferred embodiment of the present invention.
  • Figure 6B is a partial enlarged cross-sectional view of an LED signal lamp in accordance with another preferred embodiment of the present invention.
  • Figure 7 is an exploded perspective view of an LED signal lamp in accordance with a third preferred embodiment of the present invention.
  • Fig. 8 is a view showing the configuration of the outline of an LED signal lamp according to the above preferred embodiment of the present invention.
  • Figure 9 is a cross-sectional view of an LED signal lamp in accordance with the above preferred embodiment of the present invention.
  • Figure 10 is a block diagram showing the internal structure of an LED signal lamp in accordance with the above preferred embodiment of the present invention.
  • Figure 11 is a cross-sectional view of an LED signal lamp according to the above preferred embodiment of the present invention, showing white light
  • FIG. 12 is a block diagram showing the structure of an LED signal lamp in accordance with a fourth preferred embodiment of the present invention.
  • Fig. 13 is a view showing the configuration of an LED signal lamp according to a modified embodiment of the fourth preferred embodiment of the present invention. detailed description
  • the LED signal light may be a warning light comprising a plurality of light sources, and a corresponding plurality of filters 20 disposed on the plurality of light source paths.
  • the plurality of light sources are a plurality of white LED illuminators 10.
  • the plurality of white LEDs Luminaire 10 is commercially available, for example, as a commercially available single-chip or multi-chip white LED illuminator.
  • the plurality of filters 20 are respectively located on the light path of the plurality of white LED illuminators 10, for example, the plurality of filters 20 are respectively located on one side of the plurality of white LED illuminators 10, At least part of the white light emitted by each of the white LED illuminators 10 is filtered into non-white light to obtain a non-white light signal lamp. In this embodiment, a non-white light warning light is obtained.
  • the plurality of filters 20 may respectively filter at least part of the white light emitted by the plurality of white LED illuminators 10 into monochromatic lights such as red light, blue light, green light, yellow light, and violet light, thereby respectively Obtaining a red, blue, green, yellow, and violet signal light.
  • the plurality of filters 20 can respectively filter at least part of the white light emitted by the plurality of white LED illuminators 10 into Red or yellow light, which can provide red or yellow warning lights.
  • the essential meaning of the present invention is that the color signal lamp obtains color signal light by filtering the light emitted by the plurality of white LED illuminants 10, and the light source of the high quality white LED is easily available in the existing market, and is relatively easy to use.
  • the color LED illuminator serves as a light source, and the LED signal lamp of the present invention is easier to obtain a higher light intensity and is less expensive.
  • a higher luminous flux such as a white light LED source of 150 lumens per watt (lm) is already readily available on the market, and the intensity of the resulting colored light is filtered after being filtered by the filter 20 into colored light. It is still higher than the achieved light intensity of the obtained color light obtained by using the color light LED chip alone.
  • the yellow warning light in this embodiment after filtering through the filter 20 into yellow light, still has about 60% remaining, and still has about 90 lumens per watt of yellow light, which is still better than the market.
  • the luminous flux (50 to 60 lumens) of the yellow light obtained by using the yellow LED illuminant as a light source is high.
  • filtering in the present invention means that after the light emitted by the plurality of white LED illuminators 10 passes through the corresponding plurality of filters 20, only monochromatic light of a predetermined color of non-white light is obtained.
  • the predetermined color may be red, blue, green, yellow, or the like as described above.
  • the white LED illuminator 10 on the market can already achieve a high luminous flux, and the research on the white LED illuminator 10 is still in progress, the luminous flux of the white LED illuminant 10 as a light source can continue. Improvements, but less research on the color LED illuminator 10, its luminous flux is still at a lower value. Therefore, a white light LED illuminator is used as a light source to obtain a colored light signal lamp, and a high luminous flux white light LED illuminator can be directly purchased from the market, so that the manufacturing process thereof is relatively simple.
  • the LED signal lamp of the invention comprises at least two columns of the white LED illuminators 10.
  • an LED beacon comprises three or four columns, six columns, eight columns, or twelve columns of the white LED illuminators 10, each column comprising one or more white LED illuminators 10.
  • the plurality of columns of white LED illuminators 10 are sequentially arranged such that the lines in which the plurality of columns of white LED illuminators 10 are located intersect to form an equilateral triangle, a regular quadrangle, a regular hexagon, a regular octagon, a regular dodecagonal Or other regular polygons.
  • the multi-row white LED illuminators 10 may not be arranged in a regular polygon to meet the needs of the illuminating characteristic signal lamps in the non-circular sector.
  • Each of the columns may also be provided with a different number of the white LED illuminators 10 than the other columns.
  • the invention is not limited in this respect, and may be set according to specific needs in practical applications.
  • the signal lamp of the present invention may be an annular LED signal lamp, and "ringing" herein means that the white LED illuminators 10 are arranged to provide light projected circumferentially, and of course, preferably, the white LED illuminators 10 are arranged to provide Projected light in a 360° angular range along the circumferential direction.
  • one of the plurality of columns of the white LED illuminators 10 or the column of the white LED illuminators 10 is removed, so that it can be in a certain direction or several according to needs. No light is provided in one direction. That is to say, the LED signal light of the present invention can also provide a fan-shaped or semi-circular range of illumination as needed, for example, a light range of 180° or 270°.
  • the corresponding filters 20 of the white LED illuminators 10 can filter the light of the white LED illuminators 10 into different colors. For example, three rows of the white LED illuminators 10 in the six columns of the white LED illuminators 10 are correspondingly provided with red light filters 20, and the remaining three columns of the white LED illuminants 10 are correspondingly provided with blue light filters. 20, the LED signal lamp further includes a controller 11 which can selectively open six rows of the white LED illuminators 10 by opening and closing of the control circuit, thereby respectively providing red or blue light, or Alternating red and blue light. At this time, the cover of the LED signal light can be transparent.
  • the warning light includes six columns of the white LED illuminators 10, and each of the white LED illuminators 10 includes three of the white LED illuminators 10, each of which The light path of the white LED illuminant 10 is provided with one of the filters 20 to filter at least a portion of the white light emitted by the white LED illuminators 10 into yellow light to provide a yellow warning light.
  • the controller 11 can control the illumination of the white LED illuminants 10 or stop the illumination, or at a predetermined time interval, the white LED illuminators 10 can be illuminated. This results in a yellow flash mode that provides a stronger visual impact and thus provides a more alerting effect.
  • the plurality of filters 20 are located at appropriate positions of the plurality of white LED illuminators 10.
  • the plurality of filters 20 are also subtly designed to have concentrating effect. That is, each of the filters 20 can radially converge the white light emitted by the corresponding white LED illuminator 10 and filter it into non-white light before projecting.
  • the filter 20 not only functions to filter colors but also functions as a condensing light in the present invention. It is worth mentioning that after concentrating, the effective luminous flux projected into the appropriate area is improved, thereby enhancing the luminous intensity of the signal lamp.
  • the filter 20 may be various lenses for concentrating, such as convex lenses.
  • each of the filters 20 is a Fresnel lens having filter performance, and thus, each of the The light emitted by the white LED illuminator 10 is radially concentrated by the Fresnel lens, and is filtered into predetermined non-white light and then projected in mutually parallel directions, thereby improving the illumination efficiency, and the illumination reaching the predetermined area is high.
  • Luminous flux is a Fresnel lens having filter performance, and thus, each of the The light emitted by the white LED illuminator 10 is radially concentrated by the Fresnel lens, and is filtered into predetermined non-white light and then projected in mutually parallel directions, thereby improving the illumination efficiency, and the illumination reaching the predetermined area is high. Luminous flux.
  • Each of the filters 20 is located at a suitable position in front of the corresponding white LED illuminator 10, and its size and size can be set as needed to achieve maximum concentrating effect, and clear spots can be removed.
  • each of the filters 20 is further provided with at least one mounting member 21 such that each of the filters 20 is mounted by the at least one mounting member 21 corresponding to the At a suitable position on the light path of the white LED illuminant 10, for example, each of the filters 20 is fixed to the corresponding mounting member 21 by a wire.
  • the LED signal lamp further includes a plurality of heat dissipating devices 12 disposed between the corresponding heat dissipating device 12 and the optical filter 20 to dissipate the heat dissipating device 12 and the The filters 20 are connected to each other.
  • the heat sink 12 includes a metal heat sink circuit board 121 and a heat sink 122 connected to the heat dissipation circuit board 121.
  • the heat sink circuit board 121 and the heat sink 122 may be made of a metal material.
  • each of the white LED illuminators 10 is disposed on the corresponding heat dissipation circuit board 121.
  • each of the white LED illuminators 10 is disposed by one In the accommodating cavity 31 defined by the reflecting surface 30, the reflecting surface 30 and the filter 20 can converge the light emitted by the white LED illuminator 10 together with the filter 20.
  • the reflective surface 30 may be a straight paraboloid, and the light reflected by the reflective surface 30 and the light passing through the filter 20 are converged to be projected substantially parallel to each other, as shown in FIG.
  • a gap may be left between the filter 20 and the reflective surface 30 to allow another portion of the light to pass through the gap to the reflective surface 30 and be reflected outward without being affected by the filter 20. .
  • the reflective surface 30 can be an inner surface of a reflective device having a reflective effect. As shown in FIG. 3, the reflective surface 30 is a parabolic curved surface, and the shape can be designed to be optimized according to requirements. Filter 20 (Fresnel lens) achieves maximum concentrating effect.
  • the reflective surface 30 can also only function as a reflection, and does not need to function as a concentrated light.
  • the filter 20 (Fresnel lens) and is then used by the filter 20 (Fresnel lens). Converging and filtering into monochromatic light of color, as shown in the figure, between the SI region between the filter 20 (Fresnel lens) and the white LED illuminator, is illuminated from the white LED The body emits white light diverging along the radial direction. In the S2 region after passing through the filter 20 (Fresnel lens), the white light diverging along the radial direction is concentrated into mutually parallel light and filtered. Into non-white colored light.
  • the LED signal lamp further comprises a housing 40, the housing 40 comprising a light distributor 41, the light distributor 41 to the white LED All of the light emitted by the illuminator 10 is filtered into light of a desired color. That is, a portion of the light passing through the gap between the filter 20 and the reflective surface 30 is reflected on the reflective surface 30, and is also filtered through the optical distributor 41.
  • White light That is to say, the optical filter 20 and the optical distributor 41 can filter white light emitted from the corresponding white LED illuminator 10 into the same non-white light.
  • the optical distributor 41 not only functions as a filter but also has an effect of optimally distributing the output light, which directs the light emitted by the white LED illuminator 10 to a more uniform region.
  • the light that reaches the S3 region that is, the light reflected by the reflective surface 30, is also preferably projected in the same direction as the light passing through the filter 20, so that the light intensity reaching the illumination region is enhanced. And the light reflected by the reflecting surface 30 passes through the light distributor 41 to form light of a desired color.
  • the light distributor 41 is a yellow lens, and light emitted from the white LED illuminator 10 does not reach the filter 20 but is reflected on the reflective surface 30. Ministry The splitting is also filtered by the yellow lens, which filters most of the white light emitted by the white LED illuminator 10 into yellow light to provide a yellow warning light.
  • the warning light can directly use the yellow light distributor, compared with the yellow light LED illuminant as the light source in the prior art, and the colorless transparent cover is the warning light of the outer cover, and the warning light of the invention is in appearance. It also has a more traditional functional color, which can give people a warning effect. It is worth mentioning that the light distributor 41 can be directly used as a cover of the LED signal light.
  • the housing 40 further includes a base 42, the light distributor 41 and the base 42 form a cavity, and the plurality of white LED light emitters 10 A plurality of filters 20 and the like are disposed in the cavity.
  • the top of the housing 40 may also include a trim cover 43 to provide other decorative effects to the LED signal light as well as enhance aesthetics.
  • the housing 40 also includes the necessary wires 44 that are electrically coupled to the controller 11 to provide power to the controller 11 to operate the LEDs.
  • the wire 44 passes through the sealing plate 45 and is fixed by a sealant 46.
  • the light distributor 41 and the base 42 are seamlessly and tightly connected by a sealing ring 47.
  • the LED signal lamp in this embodiment has a similar structure to the LED signal lamp in the above embodiment.
  • the reflective surface 30A is the inner surface of the heat sink 12A, that is, the inner surface of the heat sink 12A has a reflective effect, and thus the Fresnel lens as the filter 20A.
  • the function of collecting light is performed, so that the light projected by the corresponding white LED illuminator is relatively straight, and a filter cover 50A is connected to the reflective surface 30A for allowing light of a predetermined color to pass through. That is, the filter cover 50A which functions the same as the optical distributor 41 of the above embodiment directly abuts the reflecting surface 30A to form a closed accommodating chamber 31A.
  • the present invention provides an LED signal lamp that is equivalent to including one or more light emitting units, each of which includes a white LED illuminator 10, a filter 20, and a reflective surface 30.
  • the white LED illuminator 10 emits white light, passes through the color filtering effect of the filter 20, and the concentrating effect of the filter 20 and the reflecting surface 30 can be additionally provided, thereby obtaining color signal light with improved illumination efficiency.
  • These light-emitting units are suitably arranged to provide colored light projected in the circumferential direction to provide circular signal light.
  • the present invention substantially provides a method of forming an LED signal lamp, the method comprising the steps of: (a) providing white light by excitation of at least one white LED illuminant 10;
  • the step (b) at least a portion of the white light of the white light is filtered into non-white light.
  • the step (a) may further include the step (al): arranging a plurality of the white LED illuminants 10 into a plurality of columns of white LED illuminators 10, wherein the lines of the plurality of columns of white LED illuminators 10 intersect to form a polygon Thus, it is possible to provide an annular light.
  • each column of white LED illuminators 10 includes one or more of said white LED illuminators 10.
  • the straight lines of the plurality of columns of white LED illuminants 10 intersect to form a regular polygon, such as an equilateral triangle, a regular quadrangle, a regular hexagon, a regular octagon, or a regular dodecagon.
  • a regular polygon such as an equilateral triangle, a regular quadrangle, a regular hexagon, a regular octagon, or a regular dodecagon.
  • the step (b) includes the step (bl): a filter 20 is disposed on the light path of each of the white LED illuminators, and the filter 20 will pass the white of the filter 20 The light is filtered into a monochromatic light of a predetermined color.
  • the filter 20 may be a Fresnel lens having filter performance, and the Fresnel lens is disposed at a position where light can be collected, so that the filter 20 can To the role of filtering and concentrating.
  • the predetermined color is red, blue, yellow, green, purple, or the like.
  • the method may further include the following step (c): providing a reflective surface 30 to reflect a portion of the white light, the partially reflected white light being the same as the light filtered by the filter 20 Directional projection.
  • the reflecting surface may be a paraboloid of a reflecting device 31 or an inner surface of the heat sink 12.
  • the method may further include the following step (d): the LED signal lamp is further provided with a casing 40, the casing 40 includes an optical distributor 41, and the optical distributor 41 is a colored outer lens.
  • the output of the colored light emitted by the LED signal light is more uniform and the color is more vivid.
  • the formed LED signal light may be a police light, a beacon light, a ship navigation light or a building aviation obstacle light.
  • the LED signal light may be a warning light comprising a plurality of light sources, and a corresponding plurality of light processors 20B disposed on the plurality of light source paths.
  • the plurality of light sources are a plurality of white LED illuminants 10B.
  • the plurality of white LED illuminators 10B are commercially available, and may be, for example, commercially available single-chip or multi-chip white LED illuminators.
  • the plurality of light processors 20B are respectively located in the light of the plurality of white LED illuminants 10BB In the line path, for example, the plurality of light processors 20BB are respectively located on one side of the plurality of white LED illuminants 10BB, and at least part of the white light emitted by each of the white LED illuminants 10BB is filtered into non-white light. Thus, a non-white light signal lamp is obtained.
  • a non-white light warning light is obtained.
  • the plurality of light processors 20B may respectively filter at least part of the white light emitted by the plurality of white LED illuminants 10B into monochromatic lights such as red light, blue light, green light, yellow light, and violet light, thereby respectively Obtaining a red, blue, green, yellow, and violet signal light.
  • the plurality of light processors 20B can respectively filter at least part of the white light emitted by the plurality of white LED illuminators 10B into Red or yellow light, which can provide red or yellow warning lights.
  • the color signal lamp of the present invention obtains color signal light by filtering the light emitted by the plurality of white LED illuminants 10B, and the light source of the white LED is easily available in the existing market, and is relatively easy to use with the color LED illuminator.
  • the light source, the LED signal light of the present invention is easier to obtain a higher light intensity and is less expensive.
  • a higher luminous flux such as a white light LED source of 150 lumens per watt (lm) is already readily available on the market, and the intensity of the resulting colored light after being filtered into colored light by the optical processor 20B. It is still higher than the light intensity achieved by the color light obtained by using the color light LED chip alone.
  • the yellow warning light in this embodiment after being filtered by the optical processor 20B into yellow light, still has about 60% remaining, and still has about 90 lumens per watt of yellow light, which is still better than the market.
  • the luminous flux (50 to 60 lumens) of yellow light obtained by using a yellow LED illuminant as a light source is high.
  • filtering in the present invention means that the light emitted by the plurality of white LED illuminators 10B passes through the corresponding plurality of photoprocessors 20B, and only the monochromatic filtered light of a predetermined color of non-white light is obtained.
  • the predetermined color may be red, blue, green, yellow, or the like as described above.
  • the white LED illuminator 10B on the market can already achieve a high luminous flux, and the research on the white LED illuminator 10B is still in progress, the luminous flux of the white LED illuminant 10B as a light source can continue. Improvement, but less research on the color LED illuminator 10B, its luminous flux is still at a lower value. Therefore, a white light LED illuminant is used as a light source to obtain a colored light signal lamp, and a high luminous flux white light LED illuminator can be directly purchased from the market, and the manufacturing process thereof is relatively simple.
  • the LED signal lamp of the present invention comprises at least two columns of the white LED illuminators 10B.
  • the LED signal lamp comprises three columns, four columns, six columns, eight columns, or twelve columns.
  • the plurality of columns of white LED illuminants 10B are sequentially arranged such that the lines in which the plurality of columns of white LED illuminators 10B are located intersect to form an equilateral triangle, a regular quadrangle, a regular hexagon, a regular octagon, a regular dodecagonal or Other regular polygons.
  • the multi-row white LED illuminators 10B may not be arranged in a regular polygon to meet the needs of a signal light having a luminescent characteristic in a non-circular sector.
  • Each of the columns may also be provided with a different number of the white LED illuminators 10B than the other columns.
  • the present invention is not limited in this respect, and may be set according to specific needs in practical applications.
  • the signal lamp of the present invention may be an annular LED signal lamp, and "ringing" herein means that the white LED illuminants 10B are arranged to provide light projected circumferentially, and of course, preferably, the white LED illuminators 10B are arranged to provide Projected light in a 360° angular range along the circumferential direction.
  • one of the plurality of columns of the white LED illuminants 10B or the column of the white LED illuminators 10B is removed, so that it can be in a certain direction or several according to needs. No light is provided in one direction. That is to say, the LED signal light of the present invention can also provide a fan-shaped or semi-circular range of illumination as needed, for example, an illumination range of 180° or 270°.
  • the corresponding photoprocessors 20B of the white LED illuminators 10B can filter the light of the white LED illuminators 10B into different colors.
  • three rows of the white LED illuminators 10B of the six columns of the white LED illuminators 10B are correspondingly provided with a red light photo processor 20B, and the remaining three columns of the white LED illuminants 10B are correspondingly provided with a blue light processor.
  • the LED signal lamp further includes a controller 11B, which can selectively open six rows of the white LED illuminants 10B by opening and closing of the control circuit, thereby respectively providing red or blue light, or Alternating red and blue light. At this time, the cover of the LED signal light can be transparent.
  • the warning light includes six columns of the white LED illuminators 10B, and each of the white LED illuminators 10B includes three of the white LED illuminators 10B, each of which The light path of the white LED illuminant 10B is provided with a light processor 20B for filtering at least a portion of the white light emitted by the white LED illuminators 10B into yellow light to provide a yellow warning light.
  • the controller 11B can control the illumination of the white LED illuminants 10B or stop the illumination, or at a predetermined time interval.
  • the LED illuminator 10B emits light, thereby exhibiting a yellow flashing mode to provide a stronger visual impact, thereby also providing a more alerting effect.
  • the plurality of optical processors 20B are located at appropriate positions of the plurality of white LED illuminants 10B.
  • the plurality of optical processors 20B are also skillfully designed to have concentrating effect. That is, each of the optical processors 20B can radially converge the white light emitted by the corresponding white LED illuminators 10B, and filter them into non-white light before projecting them out.
  • the optical processor 20B not only functions to filter colors but also functions as a condensing light in the present invention. It is worth mentioning that after concentrating, the effective luminous flux projected into the appropriate area is improved, thereby enhancing the luminous intensity of the signal lamp.
  • the light processor 20B may be various lenses for collecting light, such as convex lenses.
  • each of the light processors 20B is a Fresnel lens having filter performance, and thus, each of the The light emitted by the white LED illuminator 10B is radially concentrated by the Fresnel lens, and is filtered into predetermined non-white light and then projected in mutually parallel directions, thereby improving illumination efficiency, and the illumination reaching the predetermined area is high.
  • Luminous flux is a Fresnel lens having filter performance, and thus, each of the The light emitted by the white LED illuminator 10B is radially concentrated by the Fresnel lens, and is filtered into predetermined non-white light and then projected in mutually parallel directions, thereby improving illumination efficiency, and the illumination reaching the predetermined area is high. Luminous flux.
  • Each of the photoprocessors 20B is respectively located at a suitable position in front of the corresponding white LED illuminator 10B, and its size and size can be set as needed to achieve maximum concentrating effect, and clear spots can be removed.
  • each of the optical processors 20B is further provided with at least one mounting member 21B such that each of the optical processors 20B is mounted by the at least one mounting member 21B in the corresponding At a suitable position on the light path of the white LED illuminant 10B, for example, each of the photoprocessors 20B is fixed to the corresponding mounting member 21B by a wire.
  • the LED signal lamp further includes a plurality of heat dissipation devices 12B, and the at least one mounting member 21B is disposed between the corresponding heat dissipation device 12B and the light processor 20B to dissipate the heat dissipation device 12B and the The light processors 20B are connected to each other.
  • the heat sink 12B includes a metal heat sink circuit board 121b and a heat sink 122B connected to the heat dissipation circuit board 121B, and the heat dissipation circuit board 121B and the heat sink 122B may be made of a metal material.
  • each of the white LED illuminants 10B is disposed on the corresponding heat dissipation circuit board 121B.
  • each of the white LED illuminators 10B is disposed in a accommodating cavity 31B defined by a reflective surface 30B, the reflective surface 30 and the optical processor 20B, that is, The light emitted by the white LED illuminator 10B can be concentrated together with the photo processor 20B.
  • the reflective surface 30B may be a straight strip paraboloid, and the light reflected by the reflective surface 30B and the light passing through the photoprocessor 20B are converged to be projected substantially parallel to each other, as shown in FIG. 10B, the light A gap may be left between the processor 20B and the reflective surface 30 to allow another portion of the light to pass through the gap to the reflective surface 30B and be emitted outwardly without being affected by the filter 20.
  • the reflective surface 30B may be an inner surface of a reflective device having a reflective effect. As shown in FIG. 10B, the reflective surface 30B is a parabolic curved surface, and the shape thereof may be designed to be optimized according to requirements.
  • the light processor 20B (Fresnel lens) achieves the maximum concentration effect.
  • the reflective surface 30B can also only function as a reflection, and does not need to function as a concentrated light.
  • the LED signal lamp further comprises a housing 40B
  • the housing 40B comprises an optical distributor 41B
  • the optical distributor 41B will be the white LED All of the light emitted by the illuminant 10B is filtered into light of a desired color. That is, a portion of the light passing through the gap between the photoprocessor 20B and the reflective surface 30B is reflected on the reflective surface 30B, and is also filtered through the optical distributor 41B.
  • White light that is to say, the optical processor 20B and the optical distributor 41B can filter white light emitted from the corresponding white LED illuminator 10B into the same non-white light.
  • the optical distributor 41B not only functions as a filter but also optimally distributes the output light, which more uniformly directs the light emitted by the white LED illuminator 10B to a suitable area.
  • the light that reaches the S3 region that is, the light reflected by the light reflecting surface 30B is also preferably projected in the same direction as the light passing through the light processor 20B, so that the light intensity reaching the illumination region is enhanced. And the light reflected by the light reflecting surface 30B passes through the light distributor 41B to form light of a desired color.
  • the light distributor 41B is a yellow lens, and light emitted from the white LED illuminant 10B does not reach the light processor 20B but is reflected on the reflective surface 30. Part of the light is also filtered by the yellow lens, and the light processor 20B will most of the white LED The white light emitted by the illuminant 10B is filtered into yellow light to provide a yellow warning light.
  • the warning light can directly use the yellow light distributor.
  • the yellow light LED illuminator is used as the light source, and the colorless transparent cover is the outer cover of the warning light.
  • the appearance of the warning light of the present invention is more With traditional functional colors, it can give people a warning. It is worth mentioning that the light distributor 41B can be directly used as a cover of the LED signal lamp.
  • the housing 40 further includes a base 42.
  • the light distributor 41B forms a cavity with the base 42B, and the plurality of white LED illuminants 10B A plurality of optical processors 20B and the like are disposed in the cavity.
  • the top of the housing 40B may further include a trim cover 43B to provide other decorative effects to the LED signal light, and also enhance the aesthetic effect.
  • the housing 40B also includes a necessary electrical wire 44B that is electrically coupled to the controller 11B to provide power to the controller 11B to operate the LED signal.
  • the wire 44B passes through the sealing plate 45B and is fixed by the sealant 46B.
  • the light distributor 41B and the base 42B are seamlessly and tightly coupled by a seal ring 47B.
  • the present invention provides an LED signal lamp that is equivalent to including one or more lighting units, each of which includes a white LED emitter 10B, a light processor 20BB, a reflective surface 30.
  • the white LED illuminator 10B emits white light, passes through the color filtering effect of the photo processor 20B, and the illuminating effect that the photo processor 20B and the reflecting surface 30B can additionally provide, thereby obtaining color signal light with improved illumination efficiency.
  • These illumination units are suitably arranged to provide colored light that is projected in the circumferential direction to provide an annular signal light.
  • the optical processor of the present invention may be substantially a concentrator. That is, the LED signal lamp of the present invention comprises at least one LED illuminator, and at least one optical processor disposed on the ray path of the at least one LED illuminator, the optical processor corresponding to the LED illuminator At least part of the emitted light is radially concentrated and projected.
  • the LED illuminator may be a color LED illuminator, so that the optical processor may not function as a filter. You get colored light.
  • the LED illuminator is a white LED illuminator
  • the photo processor further has a filtering function to filter white light emitted by the white LED illuminator into light of a predetermined color of non-white light.
  • the method of forming the LED signal lamp of the present invention comprises the steps of: (a') providing white light by excitation of at least one white LED illuminant 10B;
  • the step (b') at least a portion of the white light of the white light is filtered into non-white light.
  • the step (a') may further include the step (ar): arranging a plurality of the white LED illuminants 10B into a plurality of columns of white LED illuminators 10B, and the lines of the plurality of columns of white LED illuminants 10B intersect to form Polygons, which provide ring light.
  • each column of white LED illuminators 10B includes one or more of said white LED illuminators 10B.
  • the straight lines in which the plurality of columns of white LED illuminants 10B are located intersect to form a regular polygon such as an equilateral triangle, a regular quadrangle, a regular hexagon, a regular octagon, or a regular dodecagon.
  • the step (b') includes a step (br) of: arranging a light processor 20B on a ray path of each of the white LED illuminators, the optical processor 20B to pass through the optical processor 20B The white light is filtered into a monochromatic light of a predetermined color.
  • the photo processor 20B may be a Fresnel lens having filter performance, and the Fresnel lens is disposed at a position where light can be collected, so that the photo processor 20B can To the role of filtering and concentrating.
  • the predetermined color is red, blue, yellow, green, purple, or the like.
  • the method may further include the following step (c') : providing a reflective surface 30B to reflect a portion of the white light, the partially reflected white light being the same as the light filtered by the optical processor 20B The direction of the projection.
  • the reflecting surface may be a paraboloid of a light reflecting device 31B or an inner surface of the heat sink 12B.
  • the method may further include the following step (d') : the LED signal lamp is further provided with a casing 40B, the casing 40B includes a light distributor 41B, and the light distributor 41B is a colored outer lens, The output of the colored light emitted by the LED signal light is more uniform and the color is more vivid. .
  • the formed LED signal light may be a police light, a beacon light, a ship navigation light or a building aviation obstacle light.
  • the LED signal lamp includes six columns of the white LED illuminators 10C, each column including one or more of the white LED illuminators 10C, and each of the LEDs A corresponding one of the filters 20C is disposed on the light path of the white light emitter 10C.
  • the six columns of white LED illuminants 10C are sequentially arranged such that the straight lines in which the plurality of columns of white LED illuminants 10C are located intersect to form a regular hexagon.
  • the LED signal lamp further includes a control module 60C, and the control module 60C can selectively control the opening and closing of each of the white LED illuminants 10C to enable the light energy generated by the LED signal lamp.
  • the control module 60C can selectively control the opening and closing of each of the white LED illuminants 10C to enable the light energy generated by the LED signal lamp.
  • Produce a specific style That is to say, some columns of the white LED illuminants 10C are illuminated by six columns, and some columns do not emit light, thereby generating different illumination effects.
  • the six columns of white LED illuminators are sequentially flashed to produce an effect of rotating light. More specifically, the six columns of the LED illuminators include a first column of white LED illuminators 101C, a second column of white LED illuminators 102C, a third column of white LED illuminators 103C, and a fourth column of white LED illuminators. 104C, fifth column white LED illuminator 105C, and sixth column white LED illuminator 106C, the control module 60C first opens the first column of white LED illuminators 101C to emit light, and is corresponding to the filter The light 20C is filtered to a desired color to provide signal light.
  • control module 60C turns on the second column white LED illuminator 102C or the sixth column white LED illuminator 106C adjacent to the first column white LED illuminator 101C, and closes the first column White LED illuminator 102.
  • the control module 60C can enable at least one of the columns of the white LED light emitters to be in an open state, so that the light energy generated by the LEC signal lamp can be continuously continued.
  • the control module 60C can simultaneously open two adjacent columns of the white LED illuminators when the white LED illuminants of the column white LED illuminators emit light, such as the white LED illuminators of the first and second columns. 101C and 102C first emit light at the same time to provide illumination at an angle of 120°, and then sequentially turn on the white LED illuminants 103C and 104C in the third and fourth columns, and then turn on the white LEDs in the fifth and sixth columns. The illuminants 105C and 106C are then repeated for the above steps.
  • control module selectively illuminates the plurality of columns of white light LE illuminants by sequentially providing signal light of a range of angles, which may be, for example, 30°, 45°, 60°. 90°, 120° or 180°.
  • the first column of white LED illuminators 101C and the fourth column of white LED illuminators 104C emit light and then turn off, and then the second column of white light
  • the LED illuminator 102C emits light and then turns off with the fifth column of white LED illuminators 105C, and then the third column of white LED illuminators 103C and the sixth column of white LED illuminators 106C illuminate and then turn off. Repeatedly can provide different signals Light.
  • the white LED illuminator 105C then turns on the fourth column of white LED illuminators 104C and then turns off all of the white LED illuminators.
  • the above steps are repeated to obtain a different pattern of signal light. That is, the LEC signal lamps provide different signals by controlling different patterns exhibited by the white LED illuminators 10C.
  • the controller 60C first controls the first, second and third columns of white LED illuminants 101 C, 102C and 103C to emit light first, thereby
  • the LEC signal lamp provides illumination of the semi-circular signal light of approximately 180° angle, then turns off the first, second and third columns of white LED illuminants 101 C, 102C and 103C, and opens the fourth, fifth and sixth columns
  • the white LED illuminators 104C, 105C and 106C provide illumination of additional semi-circular signal light at approximately 180° angle. That is, the controller 60C can control the opening and closing of the plurality of columns of the white LED illuminators.
  • the light emitted by the conventional color light illuminator may have a dark area in the area where the light is superimposed, and in the present invention, as in the above modified embodiment, the first, second and third columns of white light LEDs
  • the first and second columns of white LED illuminants 101 C, 102C are filtered by the filter 20C and condensed, and the superimposed area of the illumination does not appear obvious.
  • the dark region likewise, after the second and third columns of white LED illuminants 101 C, 102C are filtered by the filter 20C and concentrated, no obvious dark regions appear in the superimposed region of the illumination.
  • the intensity of the emitted light is high and uniform.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Led Device Packages (AREA)

Abstract

L'invention concerne une lampe à signal de DEL qui comprend au moins un illuminateur à DEL à lumière blanche (10) et au moins un filtre optique (20). Ledit au moins un filtre optique (20) est disposé respectivement sur un trajet de lumière dudit au moins un illuminateur à DEL à lumière blanche (10) pour filtrer au moins une partie de la lumière émise par l'illuminateur à DEL à lumière blanche (10) afin d'obtenir une lumière monochromatique colorée. Ainsi, une lampe à signal lumineux coloré est formée en utilisant l'illuminateur à DEL à lumière blanche (10), et l'efficacité d'éclairage est améliorée. La lampe à signal de DEL possède une structure simple et un faible coût.
PCT/CN2012/085349 2012-07-27 2012-11-27 Lampe à signal de del WO2014015599A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201210264965.2 2012-07-27
CN201210264965.2A CN102767726B (zh) 2012-07-27 2012-07-27 Led信号灯
CN2012203702159U CN202972593U (zh) 2012-07-27 2012-07-27 Led信号灯
CN201220370215.9 2012-07-27

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WO2014015599A1 true WO2014015599A1 (fr) 2014-01-30

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PCT/CN2012/085349 WO2014015599A1 (fr) 2012-07-27 2012-11-27 Lampe à signal de del
PCT/CN2013/080162 WO2014015825A1 (fr) 2012-07-27 2013-07-26 Lampe à signal à del

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PCT/CN2013/080162 WO2014015825A1 (fr) 2012-07-27 2013-07-26 Lampe à signal à del

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JP (1) JP2015522935A (fr)
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JP2015522935A (ja) 2015-08-06
AU2013295901A1 (en) 2015-03-12
EP2878878A1 (fr) 2015-06-03
AU2017232078A1 (en) 2017-10-12
EP2878878A4 (fr) 2016-04-06

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