CN102466201B - Lamp reflector and portable lamp - Google Patents
Lamp reflector and portable lamp Download PDFInfo
- Publication number
- CN102466201B CN102466201B CN201010545682.6A CN201010545682A CN102466201B CN 102466201 B CN102466201 B CN 102466201B CN 201010545682 A CN201010545682 A CN 201010545682A CN 102466201 B CN102466201 B CN 102466201B
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- reflector
- lamp
- reflecting surface
- light source
- light
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Abstract
The invention is suitable for the illumination field and provides a lamp reflector and a portable lamp. The bottom of the reflector is provided with a through hole; the inner side of the reflector is provided with a reflection surface which has a pyramid structure consisting of four inclined surfaces, wherein the opposite inclined surfaces have a mirror symmetry structure; the included angle between each inclined surface and a central shaft of the reflection surface is 23 to 25 degrees; and the surface of the reflection surface is provided with a diffuse reflection layer. The reflection surface of the reflector has the pyramid structure which is in mirror symmetry with the inclined surfaces, and rectangular light spots can be formed, the included angle between each inclined surface and the central shaft of the reflection surface is set to be 23 to 25 degrees, and the diffuse reflection layer is arranged on the reflection surface, so high uniformity can be achieved, and the rectangular light spots with appropriate sizes can be obtained, the luminance of the light spots can be improved conveniently, and the requirements of special occasions of criminal investigation, and reconnaissance, and the like can be met.
Description
Technical field
The invention belongs to lighting field, relate in particular to a kind of lamp reflector and portable lamp.
Background technology
General portable lamp is main mainly with flashlight, and it is circular that the folded light beam of the reflector of flashlight mostly is, and it is circular that flashlight profile mostly also is, and is convenient to hand-heldly, and circular illumination hot spot gives comfortable illuminating effect.But be not suitable for using circular light spot illumination at some Code in Hazardous Special Locations, such as when criminal investigation is worked, when footprint being searched for or being taken as needs, the Uniform Illumination that usually needs a kind of angle pencil of ray, so that wide area search and shooting vestige, at this moment just need to form the portable lamp of even rectangular light spot.Spot size and the uniformity of the footprint lighting of current existing rectangular light spot can not meet the demands, and affect criminal investigation efficiency.
Summary of the invention
The object of the present invention is to provide a kind of lamp reflector, be intended to solve the spot size of existing light fixture formation and the problem that the uniformity can not meet the special occasions demands such as criminal investigation.
The present invention is achieved in that a kind of lamp reflector, and for criminal investigation portable lamp, the bottom of described reflector is provided with through hole, and the inner surface of described reflector is provided with reflecting surface, the rectangular pyramid structure that described reflecting surface is comprised of four inclined-planes;
Wherein, relative inclined-plane is mirror image;
Angle between each inclined-plane and the central shaft of described reflecting surface is 23 °～25 °;
The surface of described reflecting surface is provided with diffuse reflector.
Another object of the present invention is to provide a kind of portable lamp, for criminal investigation work, comprise lamp holder, lamp body and tail-hood, be provided with light source and reflector in described lamp holder, the openend of described reflector is provided with Transparent Parts, and described reflector is above-mentioned reflector; Described light source is through the through hole of described reflector, and its luminous point is positioned on the central shaft of reflecting surface of described reflector.
The reflecting surface of the present invention's reflector is set to the rectangular pyramid structure of relative flat inclined mirror picture symmetry, can form rectangular light spot, the angle of each inclined-plane and reflecting surface central shaft is set to 23 °～25 °, and diffuse reflector is set on reflecting surface, can obtain compared with high evenness, and the suitable rectangular light spot of size, and the brightness that is conducive to improve hot spot, has met the demand of the special occasions such as criminal investigation prospecting.
Accompanying drawing explanation
Fig. 1 is the perspective view of the reflector that provides of first embodiment of the invention;
Fig. 2 is the cross-sectional view of the reflector that provides of first embodiment of the invention;
Fig. 3 is the plan structure schematic diagram of the reflector that provides of first embodiment of the invention;
Fig. 4 is the plan structure schematic diagram of the reflector that provides of third embodiment of the invention;
Fig. 5 is the hot spot schematic diagram that the reflector that provides of third embodiment of the invention forms;
Fig. 6 is the cross-sectional view of the portable lamp that provides of fifth embodiment of the invention;
Fig. 7 is the decomposition texture schematic diagram of the cap part that provides of fifth embodiment of the invention.
The specific embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention provides a kind of lamp reflector, and its bottom is provided with through hole, and inner surface is provided with reflecting surface, the rectangular pyramid structure that this reflecting surface is comprised of four inclined-planes;
Wherein, relative inclined-plane is mirror image;
Angle between each inclined-plane and the central shaft of reflecting surface is 23 °～25 °;
The surface of reflecting surface is provided with diffuse reflector.
The embodiment of the present invention also provides a kind of portable lamp, comprises lamp holder, lamp body and tail-hood, is provided with light source and reflector in lamp holder, and the openend of reflector is provided with Transparent Parts, and this reflector is above-mentioned reflector; Light source is through the through hole of reflector, and its luminous point is positioned on the central shaft of reflecting surface of reflector.
The reflecting surface of the present invention's lamp reflector is set to the rectangular pyramid structure of relative flat inclined mirror picture symmetry, can form rectangular light spot, the angle of each inclined-plane and reflecting surface central shaft is set to 23 °～25 °, and diffuse reflector is set on reflecting surface, can obtain compared with high evenness, and the suitable rectangular light spot of size, and the brightness that is conducive to improve hot spot, has met the demand of the special occasions such as criminal investigation prospecting.
Below in conjunction with specific embodiment, specific implementation of the present invention is described in detail:
embodiment mono-:
The master that Fig. 1,2,3 shows respectively the reflector that first embodiment of the invention provides looks, section and plan structure schematic diagram, for convenience of explanation, only shows the part relevant to the present embodiment.
This reflector is used for portable lamp, is used to form rectangular illumination hot spot.The bottom of this reflector is provided with a through hole 1 passing for light source, and the inner surface of reflector is provided with reflecting surface 2, and this reflecting surface comprises four inclined-planes 21, and these four inclined-planes have formed rectangular pyramid structure, and two relative inclined-planes are mirror image.The light that light source sends is invested a distant place after reflecting surface reflection, on shadow surface, form rectangular light spot, in order to make the size of rectangular light spot and the needs that the uniformity meets the special occasions such as criminal investigation, each inclined-plane 21 is set to 23 °～25 ° with the angle of reflecting surface central shaft, and on the surface of reflecting surface 2, diffuse reflector (not shown) is set.When the angle of each inclined-plane and reflecting surface central shaft is greater than 25 °, though the size of hot spot is large, but illumination does not reach requirement, and while being less than 23 °, the diameter of hot spot is less than normal, is unfavorable for the requirement of on-the-spot illumination.
The reflector of this structure can form large scale (criminal investigation system is reconnoitred spot vestige and the required spot sizes of special occasions such as evidence obtaining of taking pictures), and the good rectangular light spot of uniformity, and, can also further guarantee that hot spot has higher brightness.
embodiment bis-:
In embodiments of the present invention, can there be multiple situation at the angle of inclination of reflecting surface 2, and inclined-plane is mirror image symmetry relatively, and it is identical with the angle of central shaft, and adjacent inclined-plane can be identical with the angle of central shaft, also can be different.When certainly, angle is identical, the uniformity of hot spot is better.
embodiment tri-:
Fig. 4 shows the plan structure schematic diagram of the reflector that third embodiment of the invention provides, and the hot spot schematic diagram that the reflector that Fig. 5 shows third embodiment of the invention to be provided forms, for convenience of explanation, only shows the part relevant to the present embodiment.
In embodiments of the present invention, can further limit the shape of reflecting surface in the various embodiments described above, specifically can make four inclined-planes 21 of reflecting surface form positive rectangular pyramid shape, be used to form foursquare hot spot, to adapt to the needs of special circumstances.
By reference to the accompanying drawings shown in 5, in embodiments of the present invention, when reflecting surface is positive rectangular pyramid shape, and when the angle of each inclined-plane 21 and reflecting surface central shaft is set to 23 °, the square focus spot diameter that 2 meters in lamp holder the place ahead of this light fixture form is about 1.5 meters or be slightly larger than 1.5 meters, has met the requirement that the spot diameter of the criminal investigation light fixture of current routine is greater than 1.2 meters.Spot center illumination at 2 meters of can reach 960lux, and the spot center illumination that has met conventional criminal investigation light fixture is not less than the requirement of 900lux.And in conjunction with the diffuse reflection effect of reflecting surface, the luminous intensity distribution uniformity of this light fixture can reach 0.87, met the requirement that the training light uniformity of conventional criminal investigation light fixture is greater than 0.85.
embodiment tetra-:
Further combined with accompanying drawing 3 or 4, in embodiments of the present invention, the openend of reflector is typically provided with along limit 3, this can be the slab construction with reflector one along limit, to facilitate being connected between the shell of reflector and light fixture and miscellaneous part (as Transparent Parts), this specifically can be determined according to the lamp holder profile of light fixture along limit.
As another embodiment of the present invention, the preferred acrylonitrile-butadiene-styrene copolymer of the material of reflector (ABS) material, it is high temperature resistant, good toughness, not yielding, is conducive to keep the uniformity of hot spot brightness.
embodiment five:
Fig. 6 shows the cross-sectional view of the portable lamp that fifth embodiment of the invention provides, and Fig. 7 shows the decomposition texture schematic diagram of the cap part that fifth embodiment of the invention provides, and for convenience of explanation, only shows the part relevant to the present embodiment.
Incorporated by reference to accompanying drawing 6, this portable lamp comprises lamp holder 61, lamp body 62 and tail-hood 6.Lamp holder 61 is fixed on lamp body 62 front ends, is the main generating portion of illuminating bundle.Lamp body 62 contains battery 621, is light source 611 power supplies in lamp holder.Tail-hood 63 is fixed on lamp body 62 ends, plays the effect that seals and be battery 621 chargings.As shown in Figure 7, be provided with reflector 612 in lamp holder 61, this reflector is the reflector described in above-described embodiment one, two, three or four.Light source is through the through hole of reflector 612 bottoms, its luminous point is positioned at the middle position of reflector bottom, and on the central shaft in reflector, the light that light source 611 sends is after the reflecting surface reflection of reflector 612, the Transparent Parts attaching through reflector front end again penetrates, for illumination.
In embodiments of the present invention, the Transparent Parts 613 of reflector front end can by one fixedly trim ring 614 and sealing ring 615 be pressed in reflector 612 along on limit, reflector 612 and Transparent Parts 613 are interfixed.
This portable lamp has adopted the reflector in previous embodiment, the brightness that can form rectangle on the shadow surface hot spot that throws light on uniformly, be applicable to need the special occasions of even rectangle broad beam illumination, particularly police criminal detection system spot vestige is reconnoitred and taken pictures evidence obtaining, fire-fighting search, the occasions such as the patrol of the industries such as water conservancy inspection and boats and ships, railway, great Qi, Chang electricity, civil aviaton, overhaul of the equipments, field search and rescue.
embodiment six:
Current existing footprint lighting is light source mainly with mercury lamp, need to generate heat by filament next luminous, and light efficiency is low, causes the service life of light fixture shorter.Therefore in embodiments of the present invention, can, by selecting suitable light source, make the longer service life of the portable lamp in above-described embodiment.Specifically can select that high light efficiency (being greater than 80LM/W), colour rendering are good, the light source of long service life, for example LED light source of CREE XRE series.
As another embodiment of the present invention, the safety glass that the preferred light transmittance of the material of Transparent Parts 613 is high, effectively to protect lamp holder internal components.
As another embodiment of the present invention, in order to adapt to the requirement of special occasions, can attach one deck optical filter 616 at the inner surface of Transparent Parts, obtain the monochromatic hot spot of special wave band.
In embodiments of the present invention, the shell shape of this portable lamp can have multiple, can be specifically the cylinder body shape shown in Fig. 6, can also be cubic shaped.
The reflecting surface of the present invention's lamp reflector is set to the rectangular pyramid structure of relative flat inclined mirror picture symmetry, can form rectangular light spot, the angle of each inclined-plane and reflecting surface central shaft is set to 23 °～25 °, and diffuse reflector is set on reflecting surface, can obtain compared with high evenness, and the suitable rectangular light spot of size, and the brightness that is conducive to improve hot spot, adopts the light fixture of this reflector can be for special occasions such as criminal investigation prospectings.Portable lamp selects that high light efficiency (being greater than 80LM/W), colour rendering are good, the light source of long service life, can extend the service life of light fixture, and the brightness that effectively improves hot spot.Adopt ABS material to make reflector, can guarantee that it is not yielding, and then be conducive to keep the uniformity of hot spot.In Transparent Parts inner side, mount optical filter, can also obtain the hot spot of different colours, can be used for other special occasions, enriched the function of this light fixture.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a lamp reflector, for criminal investigation portable lamp, the bottom of described reflector is provided with through hole, and the inner surface of described reflector is provided with reflecting surface, it is characterized in that, the rectangular pyramid structure that described reflecting surface is comprised of four inclined-planes;
Wherein, relative inclined-plane is mirror image;
The angle of the central shaft of each inclined-plane and described reflecting surface is 23 °;
The surface of described reflecting surface is provided with diffuse reflector;
Described reflecting surface is positive rectangular pyramid shape;
To form diameter be the square focus spot of 1.5 meters to the light of described lamp reflector reflection 2 meters of forwardly, and the center illumination of described hot spot is 960lux, and the luminous intensity distribution uniformity of described lamp reflector is 0.87.
2. reflector as claimed in claim 1, is characterized in that, described reflector is also provided with along limit.
3. reflector as claimed in claim 1, is characterized in that, the material of described reflector is acrylonitrile-butadiene-styrene copolymer material.
4. a portable lamp, for criminal investigation work, comprises lamp holder, lamp body and tail-hood, in described lamp holder, be provided with light source and reflector, the openend of described reflector is provided with Transparent Parts, it is characterized in that, described reflector is the reflector described in claims 1 to 3 any one; Described light source is through the through hole of described reflector, and its luminous point is positioned on the central shaft of reflecting surface of described reflector.
5. light fixture as claimed in claim 4, is characterized in that, described light source is LED light source.
6. light fixture as claimed in claim 4, is characterized in that, the luminous efficiency of described light source is higher than 80LM/W.
7. light fixture as claimed in claim 4, is characterized in that, the material of described Transparent Parts is safety glass.
8. light fixture as claimed in claim 4, is characterized in that, the inner surface of described Transparent Parts is provided with optical filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010545682.6A CN102466201B (en) | 2010-11-16 | 2010-11-16 | Lamp reflector and portable lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010545682.6A CN102466201B (en) | 2010-11-16 | 2010-11-16 | Lamp reflector and portable lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102466201A CN102466201A (en) | 2012-05-23 |
| CN102466201B true CN102466201B (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010545682.6A Expired - Fee Related CN102466201B (en) | 2010-11-16 | 2010-11-16 | Lamp reflector and portable lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102466201B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3404311A4 (en) * | 2016-01-15 | 2018-11-21 | Wuhan Kinyun Science & Technology Development Co. Ltd | Wearable uniform auxiliary light mining lamp |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948943B (en) * | 2014-03-28 | 2019-01-15 | 海洋王（东莞）照明科技有限公司 | LED lamp and its reflector |
| CN108006590A (en) * | 2016-10-27 | 2018-05-08 | 广州达森灯光股份有限公司 | Novel light-reflecting cup and stage lighting |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995010731A1 (en) * | 1993-10-15 | 1995-04-20 | Sesto Severino Donati | Pyramidal reflector having a radiation source on its axis |
| CN2553232Y (en) * | 2002-04-17 | 2003-05-28 | 陆声扬 | Improved structure of portable lighting device |
| CN101307873A (en) * | 2008-06-27 | 2008-11-19 | 中海阳(北京)能源科技有限公司 | LED projector |
| CN201206779Y (en) * | 2008-05-22 | 2009-03-11 | 保定市大正太阳能光电设备制造有限公司 | LED reflection cup |
| CN101498427A (en) * | 2008-01-29 | 2009-08-05 | 辉意市务有限公司 | Uniform illuminating device |
| CN101761801A (en) * | 2009-09-29 | 2010-06-30 | 海洋王照明科技股份有限公司 | Floodlight fixture |
-
2010
- 2010-11-16 CN CN201010545682.6A patent/CN102466201B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995010731A1 (en) * | 1993-10-15 | 1995-04-20 | Sesto Severino Donati | Pyramidal reflector having a radiation source on its axis |
| CN2553232Y (en) * | 2002-04-17 | 2003-05-28 | 陆声扬 | Improved structure of portable lighting device |
| CN101498427A (en) * | 2008-01-29 | 2009-08-05 | 辉意市务有限公司 | Uniform illuminating device |
| CN201206779Y (en) * | 2008-05-22 | 2009-03-11 | 保定市大正太阳能光电设备制造有限公司 | LED reflection cup |
| CN101307873A (en) * | 2008-06-27 | 2008-11-19 | 中海阳(北京)能源科技有限公司 | LED projector |
| CN101761801A (en) * | 2009-09-29 | 2010-06-30 | 海洋王照明科技股份有限公司 | Floodlight fixture |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3404311A4 (en) * | 2016-01-15 | 2018-11-21 | Wuhan Kinyun Science & Technology Development Co. Ltd | Wearable uniform auxiliary light mining lamp |
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| Publication number | Publication date |
|---|---|
| CN102466201A (en) | 2012-05-23 |
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Granted publication date: 20140312 Termination date: 20181116 |