CN104075245B - Gas-discharge lamp - Google Patents
Gas-discharge lamp Download PDFInfo
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- CN104075245B CN104075245B CN201310109336.7A CN201310109336A CN104075245B CN 104075245 B CN104075245 B CN 104075245B CN 201310109336 A CN201310109336 A CN 201310109336A CN 104075245 B CN104075245 B CN 104075245B
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- reflecting part
- arrangement reflecting
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- subreflector
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Abstract
The present invention relates to a kind of gas-discharge lamp and subreflector thereof, this subreflector comprises: central reflective portion, comprise main V-arrangement reflecting part and secondary V-arrangement reflecting part, the apex lines of main V-arrangement reflecting part extends along its length, and the top of main V-arrangement reflecting part is provided with the window of rectangle, secondary V-arrangement reflecting part is positioned at the side of main V-arrangement reflecting part indent, and the side of secondary V-arrangement reflecting part evagination is arranged towards window; Two edge reflections portions, the relative dual-side being parallel to apex lines respectively with main V-arrangement reflecting part connects, edge reflections portion is the bending plate of strip, and bending is protruded towards the side of main V-arrangement reflecting part indent in edge reflections portion, and the apex lines in edge reflections portion parallels with the apex lines of main V-arrangement reflecting part; Two side plates, the lateral buckling that side relative with central reflective portion from two edge reflections portions respectively protrudes towards main V-arrangement reflecting part extends.Above-mentioned subreflector can improve the service life of glow discharge spot lamp.
Description
[technical field]
The present invention relates to a kind of lighting, particularly relate to a kind of gas-discharge lamp and subreflector thereof.
[background technology]
The luminous intensity distribution reflector assembly of traditional gas-discharge lamp is made up of two parts, a part is main reflector, a part is subreflector, wherein main reflector is used for realizing luminous intensity distribution, and subreflector is for improving light fixture light utilization, but the shortcoming of the subreflector of current gas-discharge lamp is, from light source too close to, and the light that a lot of light source sends out, be irradiated to again on light source by reflection, light-source temperature is increased.
Depend mainly on the height of temperature the service life of glow discharge spot lamp, there are three parts in the source of temperature, Part I, glow discharge spot lamp self-heating; Part II, derives from external environment; Part III, derives from luminous intensity distribution unreasonable, and the light that glow discharge spot lamp sends is irradiated to again on glow discharge spot lamp through secondary reflection, and glow discharge spot lamp temperature is raised.Because light source self-heating and ambient temperature are not technically can control, therefore improve light source service life, reduce light-source temperature, can realize by removing and reducing the light secondary reflected on glow discharge spot lamp.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide a kind of subreflector improving the gas-discharge lamp in glow discharge spot lamp service life.
A subreflector for gas-discharge lamp, it comprises:
Central reflective portion, for the plate body of strip, described central reflective portion comprises main V-arrangement reflecting part and secondary V-arrangement reflecting part, the apex lines of described main V-arrangement reflecting part extends along its length, and the top of described main V-arrangement reflecting part is provided with the window of rectangle, described secondary V-arrangement reflecting part is positioned at the side of described main V-arrangement reflecting part indent, and the side of described secondary V-arrangement reflecting part evagination is arranged towards described window; The apex lines of described secondary V-arrangement reflecting part is parallel with described main V-arrangement reflecting part to be oppositely arranged, and the marginal dimension of described secondary V-arrangement reflecting part is equal with the size of described window, and the angle of described secondary V-arrangement reflecting part is less than the angle of described main V-arrangement reflecting part;
Two edge reflections portions, the relative dual-side being parallel to apex lines with described main V-arrangement reflecting part respectively connects, described edge reflections portion is the bending plate of strip, and bending is protruded towards the side of described main V-arrangement reflecting part indent in described edge reflections portion, and the apex lines in described edge reflections portion parallels with the apex lines of described main V-arrangement reflecting part; And
Two side plates, the lateral buckling that side relative with described central reflective portion from described two edge reflections portions respectively protrudes towards described main V-arrangement reflecting part extends, and the side that described side plate is connected with described edge reflections portion parallels with the apex lines of described main V-arrangement reflecting part.
Above-mentioned subreflector offers window on main V-arrangement reflecting part, and corresponding window is provided with secondary V-arrangement reflecting part, the angle of secondary V-arrangement reflecting part is less than the angle of main V-arrangement reflecting part, the light therethrough window immediately below the illuminator of glow discharge spot lamp is made to be irradiated on secondary V-arrangement reflecting part, through secondary V-arrangement reflecting part by light reflection to the both sides of glow discharge spot lamp, instead of shine directly on glow discharge spot lamp, thus effectively reduce the temperature of glow discharge spot lamp, improve the service life of glow discharge spot lamp.
Wherein in an embodiment, the angle of described main V-arrangement reflecting part equals the angle in described edge reflections portion.
Wherein in an embodiment, the angle in described main V-arrangement reflecting part, described secondary V-arrangement reflecting part and described edge reflections portion is obtuse angle.
Wherein in an embodiment, the angle that described side plate and described edge reflections portion are formed jointly is obtuse angle.
Wherein in an embodiment, the angle of described main V-arrangement reflecting part is 150 degree, and the angle of described secondary V-arrangement reflecting part is 111 degree.
Wherein in an embodiment, the angle in described edge reflections portion is 165 degree, and the angle that described side plate and described edge reflections portion are formed jointly is 127 degree.
Wherein in an embodiment, described window is symmetrical relative to the apex lines of described main V-arrangement reflecting part, and the size of described window equals the size of the illuminator of described glow discharge spot lamp substantially.
Wherein in an embodiment, described central reflective portion also comprises two connecting plates, and the parallel relative dual-side of described secondary V-arrangement reflecting part and apex lines is connected with the relative two edges of described window by described connecting plate.
Wherein in an embodiment, described subreflector is formed by the aluminium sheet punching press of rectangle.
Meanwhile, the present invention also provides a kind of gas-discharge lamp.
A kind of gas-discharge lamp, it comprises:
Above-mentioned subreflector; And
Glow discharge spot lamp is wire, and described glow discharge spot lamp and described main V-arrangement reflecting part are oppositely arranged, and are parallel to the apex lines of described main V-arrangement reflecting part.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the subreflector of the gas-discharge lamp of embodiment of the present invention;
Fig. 2 is the side view of the subreflector shown in Fig. 1;
Fig. 3 is the top view of the subreflector shown in Fig. 1;
Fig. 4 is the side view at another visual angle of the subreflector shown in Fig. 1;
Simulation drawing when Fig. 5 is the subreflector reflection ray of comparative example;
Simulation drawing when Fig. 6 is the both sides of the edge reflection ray of the subreflector of comparative example;
Simulation drawing when Fig. 7 is the subreflector reflection ray of embodiments of the invention.
[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 the gas-discharge lamp (not shown) of Fig. 1 embodiment of the present invention, comprise subreflector 100 and glow discharge spot lamp (not shown), glow discharge spot lamp is wire, and itself and subreflector 100 are oppositely arranged.Glow discharge spot lamp can be cold-cathode fluorescence lamp, Metal halogen lamp, sodium vapor lamp etc.
Subreflector 100 comprises edge reflections portion 120 of 110, two, central reflective portion and two side plates 130, and each edge reflections portion 120 is connected between central reflective portion 110 and a side plate 130, to form the reflecting surface of fold shape.
Central reflective portion 110 is the plate body of strip.Central reflective portion 110 comprises main V-arrangement reflecting part 111 and secondary V-arrangement reflecting part 113.
The apex lines of main V-arrangement reflecting part 111 extends along its length, and the top of main V-arrangement reflecting part 111 is provided with the window 111a of rectangle.Glow discharge spot lamp and main V-arrangement reflecting part 111 are oppositely arranged, and are parallel to the apex lines of main V-arrangement reflecting part 111.
Refer to Fig. 2 to Fig. 4, preferably, window 111a is symmetrical relative to the apex lines of main V-arrangement reflecting part 111, and the size stating window 111a equals the size of the illuminator of the glow discharge spot lamp of gas-discharge lamp substantially.Specifically in the illustrated embodiment in which, the length of window 111a is 60 millimeters, and width is 25 millimeters.
Secondary V-arrangement reflecting part 113 is positioned at the side of main V-arrangement reflecting part 111 indent, and the side of secondary V-arrangement reflecting part 113 evagination is arranged towards window 111a.The apex lines of secondary V-arrangement reflecting part 113 is parallel with main V-arrangement reflecting part 111 to be oppositely arranged, and the marginal dimension of secondary V-arrangement reflecting part 113 is equal with the size of window 111a, and the angle of secondary V-arrangement reflecting part 113 is less than the angle of main V-arrangement reflecting part 111.
Preferably, the angle of main V-arrangement reflecting part 111 and secondary V-arrangement reflecting part 113 is obtuse angle.
Specifically in the illustrated embodiment in which, the angle of main V-arrangement reflecting part 111 is 150 degree, and the angle of secondary V-arrangement reflecting part 113 is 111 degree.The width of each side of main V-arrangement reflecting part 111 is 20.5 millimeters.The distance of the secondary apex lines of V-arrangement reflecting part 113 and the apex lines of main V-arrangement reflecting part 111 is 20 millimeters.
The relative dual-side that two edge reflections portions 120 are parallel to apex lines with main V-arrangement reflecting part 111 respectively connects.Edge reflections portion 120 is the bending plate of strip, and bending is protruded towards the side of main V-arrangement reflecting part 111 indent in edge reflections portion 120.The apex lines in edge reflections portion 120 parallels with the apex lines of main V-arrangement reflecting part 111.
Preferably, the angle of main V-arrangement reflecting part 111 equals the angle in edge reflections portion 120.Such as, the angle in main V-arrangement reflecting part 111, secondary V-arrangement reflecting part 113 and edge reflections portion 120 is obtuse angle.
Specifically in the illustrated embodiment in which, the angle in edge reflections portion 120 is 165 degree.The width of the side that edge reflections portion 120 is connected with main V-arrangement reflecting part 111 is 10.5 millimeters, and the width of the side that edge reflections portion 120 is connected with side plate 130 is 5.8 millimeters.
The lateral buckling that the side that two side plates 130 are relative with central reflective portion 110 from two edge reflections portions 120 respectively protrudes towards main V-arrangement reflecting part 111 extends, and the side that side plate 130 is connected with edge reflections portion 120 parallels with the apex lines of main V-arrangement reflecting part 111.
Preferably, the angle that side plate 130 and edge reflections portion 120 are formed jointly is obtuse angle.
Specifically in the illustrated embodiment in which, the angle that side plate 130 and edge reflections portion 120 are formed jointly is 127 degree.The width of side plate 130 is 2.7 millimeters.
Further, central reflective portion 110 also comprises two connecting plates 115, and the parallel relative dual-side of secondary V-arrangement reflecting part 113 and apex lines is connected with the relative two edges of window 111a by connecting plate 115.
Further, subreflector 100 is formed by the aluminium sheet punching press of rectangle, make the main V-arrangement reflecting part 111 in central reflective portion 110 and secondary V-arrangement reflecting part 113 and edge reflections portion 120, side plate 130 one-body molded, thus reduce manufacturing cost, improve the structural strength of subreflector 100.Preferably, the middle part punching stretch of main V-arrangement reflecting part 111 forms box body structure, the bottom of the box body structure that secondary V-arrangement reflecting part 113 is formed for punching stretch, window 111a is the opening of box body structure, and therefore, subreflector 100 has the reflecting surface not having opening, with the light of abundant reflected gas charging source, improve the utilization rate of light, and, enhance the bonding strength of secondary V-arrangement reflecting part 113 and main V-arrangement reflecting part 111.
Below specific embodiment and comparative example are compared.
Embodiment
Glow discharge spot lamp is the Metal halogen lamp of 1000W.The length of the window 111a of subreflector 100 is 60 millimeters, and width is 25 millimeters.The angle of main V-arrangement reflecting part 111 is 150 degree, and the angle of secondary V-arrangement reflecting part 113 is 111 degree.The width of each side of main V-arrangement reflecting part 111 is 20.5 millimeters.The distance of the secondary apex lines of V-arrangement reflecting part 113 and the apex lines of main V-arrangement reflecting part 111 is 20 millimeters.The angle in edge reflections portion 120 is 165 degree.The width of the side that edge reflections portion 120 is connected with main V-arrangement reflecting part 111 is 10.5 millimeters, and the width of the side that edge reflections portion 120 is connected with side plate 130 is 5.8 millimeters.The angle that side plate 130 is formed jointly with edge reflections portion 120 is 127 degree.The width of side plate 130 is 2.7 millimeters.
Comparative example
Glow discharge spot lamp is the Metal halogen lamp of 1000W.The subreflector of comparative example is substantially identical with the reflector of embodiment, and difference is: the angle that side plate and edge reflections portion are formed jointly is 87 degree, central reflective portion is not provided with window 111a and secondary V-arrangement reflecting part 113.
Refer to Fig. 5 and Fig. 6, the light reflected through the subreflector of comparative example still has major part to shine directly on glow discharge spot lamp, and, subreflector is because the distance of distance glow discharge spot lamp illuminator only has 49mm, and how subreflector adjusts spacing all can be irradiated on the illuminator of glow discharge spot lamp; Through the actual test of drawing a design, the subreflector of comparative example under 220V voltage, the cell-shell maximum temperature point 551 degree of glow discharge spot lamp.
Refer to Fig. 7, the subreflector 100 light major part of the embodiment of the present invention reflexes to the both sides of glow discharge spot lamp, instead of shines directly on glow discharge spot lamp; Through the actual test of drawing a design, the subreflector 100 of the embodiment of the present invention is under 220V voltage, and the cell-shell maximum temperature point 538 degree of glow discharge spot lamp, compares ratio decline temperature 13 degree.
Above-mentioned subreflector 100 offers window 111a on main V-arrangement reflecting part 111, and corresponding window 111a is provided with secondary V-arrangement reflecting part 113, the angle of secondary V-arrangement reflecting part 113 is less than the angle of main V-arrangement reflecting part 111, the light therethrough window 111a immediately below the illuminator of glow discharge spot lamp is made to be irradiated on secondary V-arrangement reflecting part 113, through secondary V-arrangement reflecting part 113 by light reflection to the both sides of glow discharge spot lamp, instead of shine directly on glow discharge spot lamp, thus effectively reduce the temperature of glow discharge spot lamp, improve the service life of glow discharge spot lamp.
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 subreflector for gas-discharge lamp, is characterized in that, comprising:
Central reflective portion, for the plate body of strip, described central reflective portion comprises main V-arrangement reflecting part and secondary V-arrangement reflecting part, the apex lines of described main V-arrangement reflecting part extends along its length, and the top of described main V-arrangement reflecting part is provided with the window of rectangle, described secondary V-arrangement reflecting part is positioned at the side of described main V-arrangement reflecting part indent, and the side of described secondary V-arrangement reflecting part evagination is arranged towards described window; The apex lines of described secondary V-arrangement reflecting part is parallel with the apex lines of described main V-arrangement reflecting part to be oppositely arranged, and the marginal dimension of described secondary V-arrangement reflecting part is equal with the size of described window, and the angle of described secondary V-arrangement reflecting part is less than the angle of described main V-arrangement reflecting part;
Two edge reflections portions, the relative dual-side being parallel to apex lines with described main V-arrangement reflecting part respectively connects, described edge reflections portion is the bending plate of strip, and bending is protruded towards the side of described main V-arrangement reflecting part indent in described edge reflections portion, and the apex lines in described edge reflections portion parallels with the apex lines of described main V-arrangement reflecting part; And
Two side plates, the lateral buckling that side relative with described central reflective portion from described two edge reflections portions respectively protrudes towards described main V-arrangement reflecting part extends, and the side that described side plate is connected with described edge reflections portion parallels with the apex lines of described main V-arrangement reflecting part.
2. the subreflector of gas-discharge lamp as claimed in claim 1, it is characterized in that, the angle of described main V-arrangement reflecting part equals the angle in described edge reflections portion.
3. the subreflector of gas-discharge lamp as claimed in claim 2, is characterized in that, the angle in described main V-arrangement reflecting part, described secondary V-arrangement reflecting part and described edge reflections portion is obtuse angle.
4. the subreflector of gas-discharge lamp as claimed in claim 3, it is characterized in that, the angle that described side plate and described edge reflections portion are formed jointly is obtuse angle.
5. the subreflector of gas-discharge lamp as claimed in claim 4, it is characterized in that, the angle of described main V-arrangement reflecting part is 150 degree, and the angle of described secondary V-arrangement reflecting part is 111 degree.
6. the subreflector of gas-discharge lamp as claimed in claim 4, it is characterized in that, the angle in described edge reflections portion is 165 degree, and the angle that described side plate and described edge reflections portion are formed jointly is 127 degree.
7. the subreflector of gas-discharge lamp as claimed in claim 1, is characterized in that, described window is symmetrical relative to the apex lines of described main V-arrangement reflecting part, and the size of described window equals the size of the illuminator of glow discharge spot lamp substantially.
8. the subreflector of gas-discharge lamp as claimed in claim 1, it is characterized in that, described central reflective portion also comprises two connecting plates, and the parallel relative dual-side of described secondary V-arrangement reflecting part and apex lines is connected with the relative two edges of described window by described connecting plate.
9. the subreflector of gas-discharge lamp as claimed in claim 8, it is characterized in that, described subreflector is formed by the aluminium sheet punching press of rectangle.
10. a gas-discharge lamp, is characterized in that, comprising:
Subreflector as described in any one of claim 1 ~ 9; And
Glow discharge spot lamp, for wire, described glow discharge spot lamp and described main V-arrangement reflecting part are oppositely arranged, and be parallel to the apex lines of described main V-arrangement reflecting part, described glow discharge spot lamp is positioned at the side of described main V-arrangement reflecting part evagination and parallelly with the apex lines of described main V-arrangement reflecting part is oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310109336.7A CN104075245B (en) | 2013-03-29 | 2013-03-29 | Gas-discharge lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310109336.7A CN104075245B (en) | 2013-03-29 | 2013-03-29 | Gas-discharge lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104075245A CN104075245A (en) | 2014-10-01 |
| CN104075245B true CN104075245B (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310109336.7A Expired - Fee Related CN104075245B (en) | 2013-03-29 | 2013-03-29 | Gas-discharge lamp |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478164A (en) * | 2010-11-26 | 2012-05-30 | 海洋王照明科技股份有限公司 | Metal halide lamp |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0789481B2 (en) * | 1991-09-18 | 1995-09-27 | 東芝ライテック株式会社 | lighting equipment |
| NL1021826C2 (en) * | 2002-11-04 | 2003-10-14 | Jedr Beheer B V | Lighting fixture for crop irradiation. |
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2013
- 2013-03-29 CN CN201310109336.7A patent/CN104075245B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478164A (en) * | 2010-11-26 | 2012-05-30 | 海洋王照明科技股份有限公司 | Metal halide lamp |
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| CN104075245A (en) | 2014-10-01 |
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