CN104214676A - Gas discharge lamp and reflection assembly thereof - Google Patents
Gas discharge lamp and reflection assembly thereof Download PDFInfo
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- CN104214676A CN104214676A CN201310206992.9A CN201310206992A CN104214676A CN 104214676 A CN104214676 A CN 104214676A CN 201310206992 A CN201310206992 A CN 201310206992A CN 104214676 A CN104214676 A CN 104214676A
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- reflector
- light
- discharge lamp
- gas
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Abstract
A reflection assembly of a gas discharge lamp comprises a reflector, a built-in shading plate, an arc-shaped reflection part and two connecting parts. The reflector is of a cup-shaped structure, the reflector is provided with a light outlet and a light inlet, the light outlet is placed in the big head end of the reflector, and the light inlet is placed in the small head end of the reflector. The built-in shading plate is mounted in the reflector and is arranged close to the light outlet, and the built-in shading plate is parallel to the optical axis of the reflector. The built-in shading plate comprises an arc-shaped reflection part which is in a long strip shape, and the bending radian of the arc-shaped reflection part is the same as the circumferential bending radian of the inner surface of the reflector. The two connecting parts are arranged at the two ends of the arc-shaped reflection part respectively and are connected with the inner surface of the reflector, and thus the arc-shaped reflection part can be transversely arranged relative to the optical axis of the reflector. The long edge, far away from the light outlet of the reflector, of the arc-shaped reflection part is connected with the inner surface of the reflector, and the other relatively long edge and the light outlet of the reflector are arranged in a spaced mode. According to the gas discharge lamp, the service life of a light source can be prolonged, and maintenance cost is lowered. The invention further provides the gas discharge lamp.
Description
[technical field]
The present invention relates to a kind of light fixture, particularly relate to a kind of gas-discharge lamp and reflection subassembly thereof.
[background technology]
The gas-discharge lamp of light projector type generally adopts sidewall mounting means to install, and reflector is circular.What this type of light fixture adopted at present is all built-in light visors, and namely shadow shield is arranged in reflector, controls upwards irradiation light, makes it irradiate downwards, and improve light utilization, object allows light all according to the place to this irradiation.
But, size because of traditional built-in light visors is subject to the restriction of reflector size, X-direction light is not limited, and installation site distance light source is too near, cause a lot of light reflection meeting light source luminescent body, therefore light-source temperature can significantly raise, light source life depends on temperature, the temperature plateau life-span is shorter, when adding the light source igniting of 1000W own and above gas-discharge lamp, spontaneous heating is just very high, therefore, traditional built-in light visors can reduce the service life of gas-discharge lamp, the maintenance times of gas-discharge lamp is increased, except the purchase cost of light source itself is very high, because of large-power lamp, all installation site is higher, so maintenance cost is also very high.
[summary of the invention]
In view of above-mentioned condition, be necessary that providing a kind of improves the service life of the light source of gas-discharge lamp, the reflection subassembly of reduction maintenance cost.
A reflection subassembly for gas-discharge lamp, it comprises:
Reflector is cup-like structure, the light inlet that described reflector has light-emitting window and is oppositely arranged with described light-emitting window, and described light-emitting window is positioned at the stub end of described reflector, and described light inlet is positioned at the little head end of described reflector;
Built-in light visors, is arranged in described reflector, and arranges near described light-emitting window, and described built-in light visors is parallel to the optical axis of described reflector, and described built-in light visors comprises:
Arc reflection portion is strip, and the crooked radian in described arc reflection portion is identical with the circumferential skewing radian of the inner surface of described reflector; And
Two connecting portions, are located at the two ends in described arc reflection portion respectively, and are connected with the inner surface of described reflector, make described arc reflection portion relative to the optical axis horizontally set of described reflector; Described arc reflection portion is connected with the inner surface of described reflector away from the long limit of the light-emitting window of described reflector, and the light-emitting window interval of another relatively short side and described reflector is arranged;
Wherein, light is injected in described reflector from described light inlet, and after the internal surface reflection of described reflector, wherein some light is through described built-in light visors secondary reflection again.
The reflection subassembly of above-mentioned gas discharge lamp adopts the built-in light visors with arc reflection portion, make the distance of the reflecting surface in light source distance arc reflection portion substantially identical, thus while up light being carried out to effective the suppression, the light sent by light source can be avoided again to reflex to temperature light source reducing light source, and then the service life of the light source of raising gas-discharge lamp, reduce maintenance cost.
Wherein in an embodiment, the inner surface of described reflector is positioned at the cross section in the optical axis vertical direction of described reflector for circular, and described arc reflection portion is circular arc, and the central angle in described arc reflection portion is less than 180 degree.
Wherein in an embodiment, described built-in light visors is the integrated formed structure be bent to form by a slim reflecting plate, and described slim reflecting plate is isosceles trapezoidal structure, and described connecting portion is right angled triangle.
Wherein in an embodiment, the inner surface of described reflector is provided with the slit of the sidewall running through described reflector, the symmetry axis that described slit is parallel to described reflector extends, and the hypotenuse of described connecting portion inserts in described slit, thus is positioned in described reflector by described built-in light visors.
Wherein in an embodiment, the periphery of the light inlet of described reflector is provided with two the first installation gaps supplying the end of the light source of described gas-discharge lamp to wear, and described two the first installation gaps are arranged relative to the Central Symmetry of described light inlet.
Wherein in an embodiment, also comprise lower reflector, described lower reflector is arranged on the light inlet place of described reflector, for the light reflection that penetrated by the light inlet from described reflector in described reflector.
Wherein in an embodiment, described lower reflector is ellipse segment-shaped, and the shape of the opening periphery of described lower reflector and the shape of described light inlet and size match, make described lower reflector and described reflector jointly form a complete ellipsoid and lack structure.
Wherein in an embodiment, the opening periphery of described lower reflector is provided with two the second installation gaps, described two the second installation gaps respectively corresponding described two the first installation gaps are arranged, to be jointly spliced to form one for installing the installing hole of the end of the light source of described gas-discharge lamp.
Wherein in an embodiment, the opening periphery of described lower reflector is provided with two and installs fin, described two the second installation gaps lay respectively at described two and install between the two ends of fin, described installation fin bends extension outwardly from the opening periphery of described lower reflector, and described installation fin is located at multiple fixing hole, for fixing, described reflection subassembly is fixed in the lamp housing of described gas-discharge lamp.
Meanwhile, the present invention also provides a kind of gas-discharge lamp.
A kind of gas-discharge lamp, it comprises:
Above-mentioned reflection subassembly; And
Light source, is arranged in described reflector, and the illuminating part of described light source is substantially equal with the distance of the reflecting surface in described arc reflection portion.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the gas-discharge lamp of embodiment of the present invention;
Fig. 2 is the side view of the gas-discharge lamp shown in Fig. 1;
Fig. 3 is the top view of the gas-discharge lamp shown in Fig. 1;
Fig. 4 is the side view at another visual angle of the gas-discharge lamp shown in Fig. 1;
Fig. 5 is the distribution curve flux side view of traditional built-in light visors;
The distribution curve flux side view that Fig. 6 is the built-in light visors of the gas-discharge lamp shown in Fig. 1.
[detailed description of the invention]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Refer to Fig. 1 to Fig. 4, the gas-discharge lamp 100 of embodiment of the present invention comprises reflection subassembly 101 and light source 103, the exit direction of reflection subassembly 101 for being emitted beam by control light source 103.
Reflection subassembly 101 comprises reflector 110 and built-in light visors 120, and built-in light visors 120 is arranged in reflector 110, for suppressing up light.
Reflector 110 is cup-like structure.The light inlet that reflector 110 has light-emitting window and is oppositely arranged with light-emitting window.Light-emitting window is positioned at the stub end of reflector 110, and light inlet is positioned at the little head end of reflector 110.
Built-in light visors 120 is arranged near the light-emitting window of reflector 110, and built-in light visors 120 is parallel to the optical axis of reflector 110.Built-in light visors 120 comprises arc reflection portion 121 and two connecting portions 123.Arc reflection portion 121 is strip, and the crooked radian in arc reflection portion 121 is identical with the circumferential skewing radian of the inner surface of reflector 110.Two connecting portions 123 are located at the two ends in arc reflection portion 121 respectively, and are connected with the inner surface of reflector 110, make arc reflection portion 121 relative to the optical axis horizontally set of reflector 110.Arc reflection portion 121 is connected with the inner surface of reflector 110 away from the long limit of the light-emitting window of reflector 110, and the light-emitting window interval of another relatively short side and reflector 110 is arranged.
Wherein, light is injected in reflector 110 from the light inlet of reflector 110, and after the internal surface reflection of reflector 110, wherein some light is through built-in light visors 120 secondary reflection again, thus suppresses up light.
Specifically in the illustrated embodiment in which, the inner surface of reflector 110 is positioned at the cross section in the optical axis vertical direction of reflector 110 for circular, and arc reflection portion 121 is circular arc, and the central angle in arc reflection portion 121 is less than 180 degree.Because the periphery of the inner surface of reflector 110 and arc reflection portion 121 are circular arc, when the illuminating part of light source 103 is spot light, the periphery of its respective reflector 110 and the center of circle, arc reflection portion 121 are arranged, and with the light of reflection source 103 equably, improve the uniformity of bright dipping.In addition, the central angle in arc reflection portion 121 is less than 180 degree, can preferably avoid emergent ray again to reflex on light source 103.
It should be noted that, in other embodiments, the inner surface of reflector 110 is positioned at can for oval with the cross section in the optical axis vertical direction of reflector 110, the arc reflection portion 121 of built-in light visors 120 can be ellipse arc, the illuminating part of light source 103 can be linear light sorurce, now light source 103 can be arranged in the major axis in arc reflection portion 121 or minor axis in the heart, make light source and 103 the reflecting surface distance in arc reflection portion 121 of illuminating part distance built-in light visors 120 substantially equal.
Further, built-in light visors 120 is the integrated formed structure be bent to form by a slim reflecting plate, and slim reflecting plate is isosceles trapezoidal structure, and connecting portion 123 is right angled triangle.Because built-in light visors 120 is the integrated formed structure be bent to form by a slim reflecting plate, it is easily manufactured, and the whole surface of built-in light visors 120 all can be reflected, and does not have because being fixedly connected with the non-reflecting regions of causing, thus improves the uniformity of bright dipping.
Further, the inner surface of reflector 110 is provided with the slit 113 of the sidewall running through reflector 110, the symmetry axis that slit 113 is parallel to reflector 110 extends, and the hypotenuse of connecting portion 123 inserts in slit 113, thus is positioned in reflector 110 by built-in light visors 120.Due to the connecting portion 123 of employing built-in light visors 120 and the mode of reflector 110 grafting, be convenient to assembling or maintenance.
Further, two the first installation gaps, 111, two the first installation gaps 111 that the end that the periphery of the light inlet of reflector 110 is provided with the light source 103 of supplied gas discharge lamp 100 wears are arranged relative to the Central Symmetry of light inlet.Because two the first installation gaps 111 are centrosymmetric, when the end of light source 103 is arranged on the first installation gap 111 of reflector 110, light source 103 is just positioned at the center of light inlet, without the need to aiming at location in advance, and convenient installation.
Further, reflection subassembly 101 also comprises lower reflector 130, and lower reflector 130 is arranged on the light inlet place of reflector 110, for the light reflection that penetrated by the light inlet from reflector 110 in reflector 110.Concrete lower reflector 130 be ellipse segment-shaped in the illustrated embodiment in which, and the shape of opening periphery of lower reflector 130 matches with the shape of light inlet and size, makes lower reflector 130 and reflector 110 is common forms a complete ellipsoid and lack structure.
Further, the opening periphery of lower reflector 130 is provided with two the second installation gaps 131, two the second installation gaps 131 respectively corresponding two the first installation gaps 111 are arranged, to be jointly spliced to form an installing hole for the end of the light source 103 of installing gas discharge lamp 100.Opening periphery due to lower reflector 130 is provided with the second installation gap 131 matched with the first installation gap 111 of reflector 110, in the end of light source 103 is clamped in installing hole that the first installation gap 111 and the second installation gap 131 be spliced to form, swing relative to lower reflector 130 to avoid the end of light source 103.
Further, the opening periphery of lower reflector 130 is provided with two and installs fin 133, two the second installation gaps 131 lay respectively between two two ends of installing fin 133, fin 133 is installed and bends extension outwardly from the opening periphery of lower reflector 130, and install on fin 133 and be located at multiple fixing hole, for fixing, reflection subassembly 101 is fixed in the lamp housing of gas-discharge lamp 100.Install fin 133 at this primarily of following effect: (1) install fin 133 when lower reflector 130 is arranged on the light inlet of reflector 110, pre-aligned effect can be played, be convenient to the register by the light inlet of reflector 110 and lower reflector 130; (2) reflection subassembly 101 can be fixed in the lamp housing of gas-discharge lamp 100 by installing fin 133, be convenient to assemble gas-discharge lamp 100.
Light source 103 is arranged in reflector 110, and the illuminating part of light source 103 is substantially equal with the distance of the reflecting surface in the arc reflection portion 121 of built-in light visors 120.Light source 103 can be spot light, line source etc., and specifically in the illustrated embodiment in which, light source 103 comprises two support ends and illuminating part, and illuminating part is elliposoidal, and is positioned at the circle centre position in arc reflection portion 121.Two support ends connect with the relative both sides of illuminating part, and linearly arrange, in the installing hole that the first installation gap 111 that two support ends are arranged on reflector 110 respectively and the second installation gap 131 of lower reflector 130 are formed.
The reflection subassembly 101 of above-mentioned gas discharge lamp 100 adopts arc reflection portion 121, makes the reflecting surface in arc reflection portion 121 equal to the distance of light source 103, thus reaches and both suppressed up light, avoids on light reflection light source 103 again.Refer to Fig. 5, carry out luminous intensity distribution simulation test to traditional built-in light visors, the angular range wherein suppressed up light is 4 ~ 11 degree.Refer to Fig. 6, carry out luminous intensity distribution simulation test to above-mentioned built-in light visors 120, the angular range wherein suppressed up light aluminium is 2 ~ 10 degree.Through luminous intensity distribution simulation test, above-mentioned built-in light visors 120 luminous intensity distribution and traditional scheme contrast, and the control light effect of above-mentioned built-in light visors 120 is more excellent, effectively serve the effect suppressing light.Through actual test, test under identical 380V voltage, the light-source temperature of the former reflector of light source 103 temperature comparisons 110 of above-mentioned reflector 110 is low 20 °, lowers the temperature effectively, make the life-span of light source 103 add more than 1 times in theory to light source 103.
The reflection subassembly 101 of above-mentioned gas discharge lamp 100 adopts the built-in light visors 120 with arc reflection portion 121, make light source 103 substantially identical apart from the distance of the reflecting surface in arc reflection portion 121, thus while up light being carried out to effective the suppression, the light sent by light source 103 can be avoided again to reflex to temperature light source 103 reducing light source 103, and then the service life of the light source 103 of raising gas-discharge lamp 100, reduce maintenance cost.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a reflection subassembly for gas-discharge lamp, is characterized in that, comprising:
Reflector is cup-like structure, the light inlet that described reflector has light-emitting window and is oppositely arranged with described light-emitting window, and described light-emitting window is positioned at the stub end of described reflector, and described light inlet is positioned at the little head end of described reflector;
Built-in light visors, is arranged in described reflector, and arranges near described light-emitting window, and described built-in light visors is parallel to the optical axis of described reflector, and described built-in light visors comprises:
Arc reflection portion is strip, and the crooked radian in described arc reflection portion is identical with the circumferential skewing radian of the inner surface of described reflector; And
Two connecting portions, are located at the two ends in described arc reflection portion respectively, and are connected with the inner surface of described reflector, make described arc reflection portion relative to the optical axis horizontally set of described reflector; Described arc reflection portion is connected with the inner surface of described reflector away from the long limit of the light-emitting window of described reflector, and the light-emitting window interval of another relatively short side and described reflector is arranged;
Wherein, light is injected in described reflector from described light inlet, and after the internal surface reflection of described reflector, wherein some light is through described built-in light visors secondary reflection again.
2. the reflection subassembly of gas-discharge lamp as claimed in claim 1, it is characterized in that, the inner surface of described reflector is positioned at the cross section in the optical axis vertical direction of described reflector for circular, and described arc reflection portion is circular arc, and the central angle in described arc reflection portion is less than 180 degree.
3. the reflection subassembly of gas-discharge lamp as claimed in claim 2, it is characterized in that, described built-in light visors is the integrated formed structure be bent to form by a slim reflecting plate, and described slim reflecting plate is isosceles trapezoidal structure, and described connecting portion is right angled triangle.
4. the reflection subassembly of gas-discharge lamp as claimed in claim 3, it is characterized in that, the inner surface of described reflector is provided with the slit of the sidewall running through described reflector, the symmetry axis that described slit is parallel to described reflector extends, the hypotenuse of described connecting portion inserts in described slit, thus is positioned in described reflector by described built-in light visors.
5. the reflection subassembly of gas-discharge lamp as claimed in claim 1, it is characterized in that, the periphery of the light inlet of described reflector is provided with two the first installation gaps supplying the end of the light source of described gas-discharge lamp to wear, and described two the first installation gaps are arranged relative to the Central Symmetry of described light inlet.
6. the reflection subassembly of gas-discharge lamp as claimed in claim 5, it is characterized in that, also comprise lower reflector, described lower reflector is arranged on the light inlet place of described reflector, for the light reflection that penetrated by the light inlet from described reflector in described reflector.
7. the reflection subassembly of gas-discharge lamp as claimed in claim 6, it is characterized in that, described lower reflector is ellipse segment-shaped, and the shape of the opening periphery of described lower reflector and the shape of described light inlet and size match, make described lower reflector and described reflector jointly form a complete ellipsoid and lack structure.
8. the reflection subassembly of gas-discharge lamp as claimed in claim 7, it is characterized in that, the opening periphery of described lower reflector is provided with two the second installation gaps, described two the second installation gaps respectively corresponding described two the first installation gaps are arranged, to be jointly spliced to form one for installing the installing hole of the end of the light source of described gas-discharge lamp.
9. the reflection subassembly of gas-discharge lamp as claimed in claim 8, it is characterized in that, the opening periphery of described lower reflector is provided with two and installs fin, described two the second installation gaps lay respectively at described two and install between the two ends of fin, described installation fin bends extension outwardly from the opening periphery of described lower reflector, and described installation fin is located at multiple fixing hole, for fixing, described reflection subassembly is fixed in the lamp housing of described gas-discharge lamp.
10. a gas-discharge lamp, is characterized in that, comprising:
Reflection subassembly as described in any one of claim 1 ~ 9; And
Light source, is arranged in described reflector, and the illuminating part of described light source is substantially equal with the distance of the reflecting surface in described arc reflection portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310206992.9A CN104214676B (en) | 2013-05-29 | 2013-05-29 | Gas-discharge lamp and reflection subassembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310206992.9A CN104214676B (en) | 2013-05-29 | 2013-05-29 | Gas-discharge lamp and reflection subassembly thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104214676A true CN104214676A (en) | 2014-12-17 |
| CN104214676B CN104214676B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310206992.9A Expired - Fee Related CN104214676B (en) | 2013-05-29 | 2013-05-29 | Gas-discharge lamp and reflection subassembly thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS5753511U (en) * | 1980-09-13 | 1982-03-29 | ||
| US4338655A (en) * | 1980-10-20 | 1982-07-06 | Koehler Manufacturing Company | Luminaire apparatus including expansible reflector means and method of reflecting radiant energy to provide a spot to flood configuration |
| US4475147A (en) * | 1982-08-19 | 1984-10-02 | Mcgraw-Edison Company | Adjustable wall wash reflector assembly for a recess mounted lighting fixture |
| EP0629813A1 (en) * | 1993-06-18 | 1994-12-21 | General Electric Company | Sports lighting luminaire having low glare characteristics |
| JPH08298003A (en) * | 1995-04-26 | 1996-11-12 | Honda Motor Co Ltd | Vehicle headlamp |
| EP1275899A2 (en) * | 2001-07-10 | 2003-01-15 | Zumtobel Staff GmbH | Downlighter with lateral reflector |
| JP2004164887A (en) * | 2002-11-11 | 2004-06-10 | Matsushita Electric Works Ltd | Illuminating device |
| JP2005166282A (en) * | 2003-11-28 | 2005-06-23 | Stanley Electric Co Ltd | Lighting implement for vehicle |
-
2013
- 2013-05-29 CN CN201310206992.9A patent/CN104214676B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5753511U (en) * | 1980-09-13 | 1982-03-29 | ||
| US4338655A (en) * | 1980-10-20 | 1982-07-06 | Koehler Manufacturing Company | Luminaire apparatus including expansible reflector means and method of reflecting radiant energy to provide a spot to flood configuration |
| US4475147A (en) * | 1982-08-19 | 1984-10-02 | Mcgraw-Edison Company | Adjustable wall wash reflector assembly for a recess mounted lighting fixture |
| EP0629813A1 (en) * | 1993-06-18 | 1994-12-21 | General Electric Company | Sports lighting luminaire having low glare characteristics |
| JPH08298003A (en) * | 1995-04-26 | 1996-11-12 | Honda Motor Co Ltd | Vehicle headlamp |
| EP1275899A2 (en) * | 2001-07-10 | 2003-01-15 | Zumtobel Staff GmbH | Downlighter with lateral reflector |
| JP2004164887A (en) * | 2002-11-11 | 2004-06-10 | Matsushita Electric Works Ltd | Illuminating device |
| JP2005166282A (en) * | 2003-11-28 | 2005-06-23 | Stanley Electric Co Ltd | Lighting implement for vehicle |
Non-Patent Citations (2)
| Title |
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| 建筑电气学会编写组: "《灯具设计安装图册》", 31 December 1996, 中国建筑行业出版社 * |
| 李炳华, 王玉卿: "《现代体育场馆照明指南》", 31 January 2004, 中国电力出版社 * |
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| CN104214676B (en) | 2016-09-07 |
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