CN104214676B - Gas-discharge lamp and reflection subassembly thereof - Google Patents
Gas-discharge lamp and reflection subassembly thereof Download PDFInfo
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- CN104214676B CN104214676B CN201310206992.9A CN201310206992A CN104214676B CN 104214676 B CN104214676 B CN 104214676B CN 201310206992 A CN201310206992 A CN 201310206992A CN 104214676 B CN104214676 B CN 104214676B
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- reflector
- light
- gas
- discharge lamp
- reflection
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Abstract
The reflection subassembly of a kind of gas-discharge lamp, comprising: reflector, for cup-like structure, reflector has light-emitting window and light inlet, and light-emitting window is positioned at the stub end of reflector, and light inlet is positioned at the little head end of reflector；Built-in light visors, is arranged in reflector, and arranges near light-emitting window, built-in light visors is parallel to the optical axis of reflector, and built-in light visors includes: arc reflection portion, for strip, and the crooked radian in arc reflection portion is identical with the circumferential skewing radian of the inner surface of reflector；Two connecting portions, are respectively arranged on the two ends in arc reflection portion, and are connected with the inner surface of reflector, make the arc reflection portion optical axis horizontally set relative to reflector；Arc reflection portion is connected with the inner surface of reflector away from the long limit of the light-emitting window of reflector, and the light-emitting window interval of another relatively short side and reflector is arranged.Above-mentioned gas discharge lamp can improve the service life of light source, reduces maintenance cost.The present invention also provides for a kind of 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 typically uses sidewall mounting means to install, and reflector is circular.Mesh
What this type of light fixture front used is all built-in light visors, in i.e. shadow shield is arranged on reflector, controls upwards to irradiate
Light so that it is be aimed downwardly, improves light utilization, it is therefore an objective to allow light all be pointed into the place of this irradiation.
But, because the size of traditional built-in light visors is limited by reflector size, to X-direction light
Do not limit, and installation site distance light source is too near, cause a lot of light line reflection meeting light source luminescent body, therefore
Light-source temperature can significantly raise, and light source life depends on temperature, and the temperature plateau life-span is the shortest, adds this
During the light source igniting of body 1000W and above gas-discharge lamp, spontaneous heating is the highest, therefore, traditional
Built-in light visors can reduce the service life of gas-discharge lamp, makes the maintenance times of gas-discharge lamp increase, removes
Outside the purchase cost of light source itself is the highest, because large-power lamp all installation sites are higher, so maintenance cost
The highest.
[summary of the invention]
In view of above-mentioned condition, it is necessary to provide the service life of a kind of light source improving gas-discharge lamp, fall
The reflection subassembly of low-maintenance cost.
A kind of reflection subassembly of gas-discharge lamp, comprising:
Reflector, for cup-like structure, described reflector has light-emitting window and is oppositely arranged with described light-emitting window
Light inlet, described light-emitting window is positioned at the stub end of described reflector, and described light inlet is positioned at described reflector
Little head end；
Built-in light visors, is arranged in described reflector, and arranges near described light-emitting window, described built-in
Shadow shield is parallel to the optical axis of described reflector, and described built-in light visors includes:
Arc reflection portion, for strip, and the crooked radian in described arc reflection portion and described reflector
The circumferential skewing radian of inner surface is identical；And
Two connecting portions, are respectively arranged on the two ends in described arc reflection portion, and with the interior table of described reflector
Face connects, and makes the described arc reflection portion optical axis horizontally set relative to 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, another relatively short side
And the light-emitting window interval of described reflector is arranged；
Wherein, light is injected in described reflector at described light inlet, through the inner surface of described reflector
After reflection, wherein some light is through described built-in light visors secondary reflection again.
The reflection subassembly of above-mentioned gas discharge lamp uses the built-in light visors with arc reflection portion, makes light spacing
The distance of the reflecting surface of arc of recess shape reflecting part is essentially identical, thus effectively suppressing up light
Meanwhile, the light sent by light source can be avoided again to reflex to reduce on light source the temperature of light source, Jin Erti
In the service life of the light source of high gas-discharge lamp, reduce maintenance cost.
Wherein in an embodiment, the inner surface of described reflector is positioned at vertical with the optical axis of described reflector
Cross section on direction is circular, and described arc reflection portion is circular arc, and the circle in described arc reflection portion
Heart angle is less than 180 degree.
Wherein in an embodiment, described built-in light visors is the one being bent to form by a slim reflecting plate
Molding structure, 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 sidewall running through described reflector
Slit, described slit is parallel to the symmetry axis of described reflector and extends, and the hypotenuse of described connecting portion inserts institute
State in slit, thus described built-in light visors is positioned in described reflector.
Wherein in an embodiment, the periphery of the light inlet of described reflector is provided with for described gas-discharge lamp
Two the first installation gaps wearing of the end of light source, said two the first installation gap relative to described enter
The Central Symmetry of light mouth is arranged.
Wherein in an embodiment, also include that lower reflector, described lower reflector are arranged on described reflector
Light inlet at, for reflexing in described reflector from the light that the light inlet of described reflector penetrates.
Wherein in an embodiment, described lower reflector is ellipse segment-shaped, and the opening of described lower reflector
The mouth shape of periphery matches with shape and the size of described light inlet, makes described lower reflector and described reflection
Device is collectively forming a complete ellipsoid and lacks structure.
Wherein in an embodiment, the opening periphery of described lower reflector is provided with two the second installation gaps,
The most corresponding said two the first installation gap of said two the second installation gap is 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 between the two ends that said two installs fin, and described installation fin is from institute
State the opening periphery of lower reflector to bend outwardly and be located at multiple fixing hole in extension, and described installation fin,
For fixing, described reflection subassembly is fixed in the lamp housing of described gas-discharge lamp.
Meanwhile, the present invention also provides for a kind of gas-discharge lamp.
A kind of gas-discharge lamp, comprising:
Above-mentioned reflection subassembly；And
Light source, is arranged in described reflector, and the illuminating part of described light source and described arc reflection portion
The distance of reflecting surface is of substantially equal.
[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；
Fig. 6 is the distribution curve flux side view of 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.
Accompanying drawing gives the preferred embodiment of the present invention.But, the present invention can come in many different forms
Realize, however it is not limited to embodiment described herein.On the contrary, provide the purpose of these embodiments be make right
The understanding of the disclosure is more thorough comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly at another
On individual element or element placed in the middle can also be there is.When an element is considered as " connection " another yuan
Part, it can be directly to another element or may be simultaneously present centering elements.Used herein
Term " vertical ", " level ", "left", "right" and similar statement simply to illustrate that mesh
's.
Unless otherwise defined, all of technology used herein and scientific terminology and the technology belonging to the present invention
The implication that the technical staff in field is generally understood that is identical.The art used the most in the description of the invention
Language is intended merely to describe the purpose of specific embodiment, it is not intended that in limiting the present invention.Used herein
Term " and/or " include the arbitrary and all of combination 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 include reflection subassembly 101 and
Light source 103, reflection subassembly 101 is for controlling the exit direction that light source 103 emits beam.
Reflection subassembly 101 includes reflector 110 and built-in light visors 120, and built-in light visors 120 is arranged on instead
In emitter 110, for up light is suppressed.
Reflector 110 is cup-like structure.Reflector 110 has light-emitting window and enters light with light-emitting window is oppositely arranged
Mouthful.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 reflection
The optical axis of device 110.Built-in light visors 120 includes arc reflection portion 121 and two connecting portions 123.Arc is anti-
Penetrating portion 121 is strip, and the inner surface of the crooked radian in arc reflection portion 121 and reflector 110
Circumferential skewing radian is identical.Two connecting portions 123 are respectively arranged on the two ends in arc reflection portion 121, and with
The inner surface of reflector 110 connects, and makes arc reflection portion 121 laterally set relative to the optical axis of reflector 110
Put.Arc reflection portion 121 connects with the inner surface of reflector 110 away from the long limit of the light-emitting window of reflector 110
Connecing, the light-emitting window interval of another relatively short side and reflector 110 is arranged.
Wherein, light is injected in reflector 110 at the light inlet of reflector 110, through reflector 110
Inner surface reflection after, wherein some light is through built-in light visors 120 secondary reflection again, thus to up light
Line suppresses.
The most in the illustrated embodiment, the inner surface of reflector 110 is positioned at vertical with the optical axis of reflector 110
Cross section on direction is circular, and arc reflection portion 121 is circular arc, and the circle in arc reflection portion 121
Heart angle is less than 180 degree.Owing to the periphery of inner surface and the arc reflection portion 121 of reflector 110 are circular arc
Shape, when the illuminating part of light source 103 is spot light, the periphery of its respective reflector 110 and arc reflection portion
121 centers of circle are arranged, and with the light of reflection source 103 equably, improve the uniformity light.It addition, arc
The central angle of reflecting part 121 is less than 180 degree, can preferably avoid again reflexing to emergent ray light source 103
On.
It should be noted that in other embodiments, the inner surface of reflector 110 is positioned at and reflector 110
Optical axis vertical direction on cross section can be oval, 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, and now light source 103 may be located at
In the major axis in arc reflection portion 121 or short axle in the heart so that light source and 103 illuminating part apart from built-in screening
The reflecting surface in the arc reflection portion 121 of tabula rasa 120 is apart from of substantially equal.
Further, built-in light visors 120 is the integrated formed structure being bent to form by a slim reflecting plate,
Slim reflecting plate is isosceles trapezoidal structure, and connecting portion 123 is right angled triangle.Due to built-in light visors 120
For the integrated formed structure being bent to form by a slim reflecting plate, it is easily manufactured, and built-in light visors 120
Whole surface all can reflect, do not have because of the fixing non-reflecting regions connecting and causing, thus improve and the equal of light
Even property.
Further, the inner surface of reflector 110 is provided with the slit 113 of the sidewall running through reflector 110,
Slit 113 is parallel to the symmetry axis of reflector 110 and extends, and the hypotenuse of connecting portion 123 inserts in slit 113,
Thus built-in light visors 120 is positioned in reflector 110.Owing to using the connection of built-in light visors 120
Portion 123 and the mode of reflector 110 grafting, it is simple to assemble or keep in repair.
Further, the periphery of the light inlet of reflector 110 is provided with the light source 103 of supplied gas discharge lamp 100
Two the first installation gaps 111 wearing of end, two the first installation gaps 111 are relative in light inlet
The heart is symmetrical arranged.Owing to two the first installation gaps 111 are centrosymmetric, when the end of light source 103 is pacified
When being contained in the first installation gap 111 of reflector 110, light source 103 is located just at the center of light inlet, nothing
Location, convenient installation need to be directed in advance.
Further, reflection subassembly 101 also includes that lower reflector 130, lower reflector 130 are arranged on reflector
At the light inlet of 110, for the light penetrated from the light inlet of reflector 110 is reflexed in reflector 110.
The most in the illustrated embodiment, lower reflector 130 is ellipse segment-shaped, and the opening of lower reflector 130
The shape of periphery matches with the shape of light inlet and size, makes lower reflector 130 common with reflector 110
Form a complete ellipsoid and lack structure.
Further, the opening periphery of lower reflector 130 is provided with two the second installation gaps 131, two second
Installation gap 131 corresponding two the first installation gaps 111 respectively are arranged, be jointly spliced to form one for
The installing hole of the end of the light source 103 of gas-discharge lamp 100 is installed.Opening week due to lower reflector 130
Edge is provided with the second installation gap 131 that the first installation gap 111 with reflector 110 matches, and makes light source 103
End be clamped in the installing hole that the first installation gap 111 and the second installation gap 131 are spliced to form, with
The end avoiding light source 103 swings relative to lower reflector 130.
Further, the opening periphery of lower reflector 130 is provided with two and installs fin 133, two second installations
Breach 131 lays respectively between two two ends installing fin 133, installs fin 133 from lower reflector 130
Opening periphery bend extension outwardly, and install and on fin 133, be located at multiple fixing hole, for fixing will
Reflection subassembly 101 is fixed in the lamp housing of gas-discharge lamp 100.Fin 133 is installed at this mainly by following
Effect: (1) installation fin 133, can when lower reflector 130 is arranged on the light inlet of reflector 110
Play pre-aligned effect, it is simple to by the register of the light inlet of reflector 110 Yu lower reflector 130；(2)
Reflection subassembly 101 can be fixed in the lamp housing of gas-discharge lamp 100 by installing fin 133, it is simple to
Assemble gas-discharge lamp 100.
Light source 103 is arranged in reflector 110, and the illuminating part of light source 103 and built-in light visors 120
The distance of reflecting surface in arc reflection portion 121 of substantially equal.Light source 103 can be spot light, line source
Deng, the most in the illustrated embodiment, light source 103 includes two support ends and illuminating part, and illuminating part is ellipse
Spherical, and it is positioned at the circle centre position in arc reflection portion 121.The opposite sides of two support ends and illuminating part is even
Connecing, and linearly arrange, two support ends are separately mounted to the first installation gap 111 of reflector 110
With lower reflector 130 second installation gap 131 formed installing hole in.
The reflection subassembly 101 of above-mentioned gas discharge lamp 100 uses arc reflection portion 121, makes arc reflection portion
The reflecting surface of 121 is equal to the distance of light source 103, thus reaches both to suppress up light, keeps away again
Exempt from light reflection source 103.Refer to Fig. 5, traditional built-in light visors carried out luminous intensity distribution simulation test,
The angular range wherein suppressed up light is 4～11 degree.Refer to Fig. 6, to above-mentioned built-in light visors 120
Carrying out luminous intensity distribution simulation test, wherein the angular range to the suppression of up light aluminium is 2～10 degree.Through luminous intensity distribution mould
Intending test, above-mentioned built-in light visors 120 luminous intensity distribution contrasts with traditional scheme, the control of above-mentioned built-in light visors 120
Light effect is more excellent, effectively serves the effect of suppression light.Through reality test, survey under identical 380V voltage
Examination, the light-source temperature of the light source 103 former reflector of temperature comparisons 110 of above-mentioned reflector 110 is low 20 °, right
Light source 103 is lowered the temperature effectively, makes the life-span of light source 103 add more than 1 times in theory.
The reflection subassembly 101 of above-mentioned gas discharge lamp 100 uses the built-in shading with arc reflection portion 121
Plate 120, makes light source 103 essentially identical apart from the distance of the reflecting surface in arc reflection portion 121, thus on
While row light effectively suppresses, the light sent by light source 103 can be avoided again to reflex to light source
The temperature of light source 103, and then the service life of the light source 103 of raising gas-discharge lamp 100 is reduced on 103,
Reduce maintenance cost.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more 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 this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended
Claim is as the criterion.
Claims (10)
1. the reflection subassembly of a gas-discharge lamp, it is characterised in that including:
Reflector, for cup-like structure, described reflector has light-emitting window and is oppositely arranged with described light-emitting window
Light inlet, described light-emitting window is positioned at the stub end of described reflector, and described light inlet is positioned at described reflector
Little head end；
Built-in light visors, is arranged in described reflector, and arranges near described light-emitting window, described built-in
Shadow shield is parallel to the optical axis of described reflector, and described built-in light visors includes:
Arc reflection portion, for circumferentially extending strip, and described arc reflection portion is curved
Bent radian is identical with the circumferential skewing radian of the inner surface of described reflector；Described arc reflection portion is near described
Light-emitting window；And
Two connecting portions, are respectively arranged on the two ends in described arc reflection portion, and with described reflector
Inner surface connects, and makes the described arc reflection portion optical axis horizontally set relative to described reflector；Described arc
Reflecting part is connected with the inner surface of described reflector away from the long limit of the light-emitting window of described reflector, and another is relative
The light-emitting window interval of long limit and described reflector is arranged；
Wherein, light is injected in described reflector at described light inlet, through the inner surface of described reflector
After reflection, 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 characterised in that described reflector
Inner surface be positioned at the cross section in the optical axis vertical direction of described reflector for circle, 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 characterised in that described built-in screening
Tabula rasa is the integrated formed structure being bent to form by a slim reflecting plate, and described slim reflecting plate is isosceles trapezoid
Structure, described connecting portion is right angled triangle.
4. the reflection subassembly of gas-discharge lamp as claimed in claim 3, it is characterised in that described reflector
Inner surface be provided with the slit of the sidewall running through described reflector, described slit is parallel to described reflector
Symmetry axis extends, and the hypotenuse of described connecting portion inserts in described slit, thus is positioned by described built-in light visors
In described reflector.
5. the reflection subassembly of gas-discharge lamp as claimed in claim 1, it is characterised in that described reflector
The periphery of light inlet be provided with two first installations that the end of the light source for described gas-discharge lamp wears and lack
Mouthful, said two the first installation gap is 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 characterised in that also include lower instead
Penetrating cover, described lower reflector is arranged at the light inlet of described reflector, for by entering from described reflector
The light of light mouth injection reflexes in described reflector.
7. the reflection subassembly of gas-discharge lamp as claimed in claim 6, it is characterised in that described lower reflection
Cover is for ellipse segment-shaped, and the shape of the shape of the opening periphery of described lower reflector and described light inlet and chi
Very little match, make described lower reflector and described reflector be collectively forming a complete ellipsoid and lack structure.
8. the reflection subassembly of gas-discharge lamp as claimed in claim 7, it is characterised in that described lower reflection
The opening periphery of cover is provided with two the second installation gaps, said two the second installation gap the most corresponding described two
Individual first installation gap is arranged, to be jointly spliced to form one for the light source of installing described gas-discharge lamp
The installing hole of end.
9. the reflection subassembly of gas-discharge lamp as claimed in claim 8, it is characterised in that described lower reflection
The opening periphery of cover is provided with two and installs fin, and said two the second installation gap lays respectively at said two peace
Between the two ends of dress fin, described installation fin bends extension outwardly from the opening periphery of described lower reflector,
And it is located at multiple fixing hole on described installation fin, for fixing, described reflection subassembly is fixed on described gas
In the lamp housing of body discharging lamp.
10. a gas-discharge lamp, it is characterised in that including:
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 and described arc reflection portion
The distance of reflecting surface is of substantially equal.
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 CN104214676A (en) | 2014-12-17 |
| CN104214676B true CN104214676B (en) | 2016-09-07 |
Family
ID=52096437
Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104214676B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5753511U (en) * | 1980-09-13 | 1982-03-29 | ||
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP4272974B2 (en) * | 2003-11-28 | 2009-06-03 | スタンレー電気株式会社 | Vehicle lighting |
-
2013
- 2013-05-29 CN CN201310206992.9A patent/CN104214676B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5753511U (en) * | 1980-09-13 | 1982-03-29 | ||
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104214676A (en) | 2014-12-17 |
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Granted publication date: 20160907 Termination date: 20200529 |