CN103453337B - Light fixture - Google Patents
Light fixture Download PDFInfo
- Publication number
- CN103453337B CN103453337B CN201210175628.6A CN201210175628A CN103453337B CN 103453337 B CN103453337 B CN 103453337B CN 201210175628 A CN201210175628 A CN 201210175628A CN 103453337 B CN103453337 B CN 103453337B
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- China
- Prior art keywords
- light fixture
- bulb
- back cover
- group
- plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides a kind of light fixture, it includes fore shell, it is installed on described fore shell and is collectively forming the back cover of a cavity volume with described fore shell, in being installed in described back cover the lamp socket installed for different bulbs and being arranged at described fore shell and reflect the reflector of the light that described bulb sends, described reflector has a focus, described bulb has a centre of luminescence, it is different so that the stationary plane that overlaps with the focus of described reflector of the different centres of luminescence of bulb that described back cover has multiple height, described light fixture also includes the lamp holder fixed holder being installed between the stationary plane of described lamp socket and described back cover.The stationary plane of differing heights is designed on described light fixture shell in the rear, different bulbs can select its stationary plane installed, so that the centre of luminescence of the bulb being installed on described stationary plane overlaps with the focus of described reflector, it is identical for making different bulbs be installed on the light distribution requirements reached in the light fixture of the present invention, meets the requirement of client.
Description
Technical field
The invention belongs to lighting field, particularly relate to a kind of light fixture, the installation of the lamp socket of wherein said light fixture is high
Degree can regulate as required.
Background technology
In current lighting field, after Design of Luminaires is good, user replaces different capacity and difference as required
The bulb of type is in the shell of same light fixture, so that it may obtain different luminous intensity distribution.
But, at some, illuminating effect is had the occasion of strict demand, when changing different capacity and different model
Bulb time, need to obtain same luminous intensity distribution.And same luminous intensity distribution can not be met for current Design of Luminaires
Requirement, such as, for point source this for high-voltage gas discharging light, the installation site of lamp socket is the highest,
But the length dimension being because bulb is different, the luminous point of bulb is not on same position, for using
The light fixture of horn reflector, the luminous intensity distribution of different size bulb will be different, it is impossible to meets the demand of client.
Further, since luminous point position is different, when being conducive to joining at one at the luminous point ensureing 400W bulb
During the position of light, after user changes the bulb of 250W, owing to 250W bulb is shorter, its luminous point will
Small end near described reflector.Owing to reflector is with the presence of the problem of optically focused, light focusing will be made to exist
On 250W bulb, original 250W bulb temperature is the highest, then light focusing on 250W bulb,
250W bulb temperature will severe overweight, temperature is the highest, and the service life of bulb will be the shortest, time serious
The inner bag that can make bulb melts rotten burning out.
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of light fixture, it is intended to solve light fixture present in prior art
The problem that the luminous intensity distribution that brought because of different bulbs is different.
The embodiment of the present invention is achieved in that a kind of light fixture, and it includes fore shell, is installed on described fore shell
And be collectively forming the back cover of a cavity volume from described fore shell, be installed in described back cover and install for different bulbs
Lamp socket and be arranged in described fore shell and reflect the reflector of the light that described bulb sends, described reflector
Having a focus, described bulb has a centre of luminescence, and it is different so that different that described back cover has multiple height
The stationary plane that overlaps with the focus of described reflector of the centre of luminescence of bulb, described light fixture also includes being installed on
Lamp holder fixed holder between the stationary plane of described lamp socket and described back cover.
Designing the stationary plane of differing heights on described light fixture shell in the rear, different bulbs can select its institute
The stationary plane installed, so that the centre of luminescence of the bulb being installed on described stationary plane and Jiao of described reflector
Point overlaps so that it is identical that different bulbs is installed on the light distribution requirements reached in the light fixture of the present invention,
Meet the requirement of client.It addition, because the different centre of luminescence of bulb is to overlap with the focus of described reflector
, do not have and make reflector by light-ray condensing because the centre of luminescence of bulb deviates the focus of described reflector
, also would not there is the interior of bulb temperature severe overweight, reduction of service life and bulb in phenomenon on bulb
Gallbladder melts the rotten phenomenon burnt out.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the light fixture that the embodiment of the present invention provides.
Fig. 2 is the sectional view of the light fixture of Fig. 1, illustrated therein is the first bulb and is installed on back cover by lamp socket
One of which mounting post.
Fig. 3 is the partial enlarged drawing of Fig. 2.
Fig. 4 is the sectional view of the light fixture of Fig. 1, illustrated therein is the second bulb and is installed on back cover by lamp socket
Same group of mounting post on.
Fig. 5 is the sectional view of the light fixture of Fig. 1, illustrated therein is described the second bulb and is installed on by lamp socket
In the another set mounting post of back cover.
Fig. 6 is the axonometric chart of the back cover of the light fixture of Fig. 1.
Fig. 7 is the top view of the back cover of the light fixture of Fig. 6.
Fig. 8 is the sectional view of the back cover A-A along the line of the light fixture of Fig. 6.
Fig. 9 is the sectional view of the back cover B-B along the line of the light fixture of Fig. 6.
Figure 10 is the axonometric chart of the reflector of the light fixture of Fig. 2.
Figure 11 is the side view of the reflector of the light fixture of Figure 10.
Figure 12 is the axonometric chart of a kind of embodiment of the lamp holder fixed holder of the light fixture of Fig. 2.
Figure 13 is the axonometric chart of the another kind of embodiment of the lamp holder fixed holder of the light fixture of Fig. 2.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
Referring to Fig. 1 to Figure 13, the light fixture 100 that the embodiment of the present invention provides includes fore shell 10, is installed on institute
State on fore shell 10 and be collectively forming the back cover 20 of a cavity volume 11 with described fore shell 10, be installed on described back cover
The lamp sockets 40 installed for different bulbs in 20 and in being arranged at described fore shell 10 and reflect described bulb and send out
The reflector 50 of the light gone out.Described reflector 50 has a focus 51.Fig. 2 shows the first lamp
Steep 30(such as, 400W bulb) it is installed on described lamp socket 40.Fig. 5 shows the second bulb 80
(such as, 250W bulb) is installed on described lamp socket 40.The first bulb 30 and described second described
Plant bulb 80 different.The first bulb 30 described has a centre of luminescence 31.Described the second bulb 80
There is a centre of luminescence 81.It is different so that in the luminescence of different bulb that described back cover 20 has multiple height
The heart (such as, the centre of luminescence 81 of the centre of luminescence 31 of the first bulb 30, the second bulb 80) and institute
State the stationary plane 21(82 that the focus 51 of reflector 50 overlaps).Described light fixture 100 also includes being installed on institute
State the stationary plane 21(82 of lamp socket 40 and described back cover 20) between lamp holder fixed holder 60.
In the present embodiment, described light fixture 100 only gives the embodiment installing two kinds of different bulbs, can
To understand ground, described light fixture 100 goes for the different bulbs of more than two kinds and installs, and makes different bulb
The centre of luminescence overlap with the focus 51 of described reflector 50, to reach identical luminous intensity distribution.
The stationary plane 21 of differing heights is designed on light fixture 100 shell 20 in the rear that the embodiment of the present invention provides
(82), different bulbs can select its stationary plane installed, so that being installed on described stationary plane
The centre of luminescence of bulb overlaps with the focus 51 of described reflector 50 so that different bulbs is installed on this
The light distribution requirements reached in the light fixture 100 that bright embodiment provides is identical, meets the requirement of client.Separately
Outward, because the different centre of luminescence of bulb overlaps with the focus 51 of described reflector 50, do not have
Make reflector 50 by light-ray condensing in lamp because the centre of luminescence of bulb deviates the focus 51 of described reflector 50
Phenomenon on bubble, also would not occur that the inner bag of bulb temperature severe overweight, reduction of service life and bulb melts
The rotten phenomenon burnt out.
Described lamp holder fixed holder 60, described lamp socket 40, described bulb and described reflector 50 are placed in described
In cavity volume 11.
Fig. 4 shows that described the second bulb 80 is installed on the stationary plane that the first bulb 30 described is installed
On 21, it can be seen that the centre of luminescence 81 of described the second bulb 80 is in described reflector 50
The lower section of focus 51, described reflector 50 can by light-ray condensing on bulb, make bulb temperature severe overweight,
Reduction of service life also makes the inner bag of bulb 80 melt rotten burning out.
Described back cover 20 includes installing plate 22 and by described installing plate 22 towards protruding out in described back cover 20
The mounting post that many groups are the most different.The end face often organizing mounting post is formed for what described lamp holder fixed holder 60 was fixed
Stationary plane.Specifically, the most different mounting post of described many groups is symmetrically distributed on same circumference.More specifically
Ground, the most different mounting post of described many groups is distributed on same circumference symmetrically and evenly.
In the present embodiment, described mounting post is two groups, installs for two different bulbs.One of which
Mounting post 230 is higher than another set mounting post 231, and described one of which mounting post 230 forms stationary plane 21,
Described another set mounting post 231 forms stationary plane 82.In other embodiments, the group number of described mounting post
For other quantity, install for more different bulbs.
Described back cover 20 also includes cylinder 24.Described installing plate 22 is arranged at the inside of described cylinder 24.
The outer rim of described installing plate 22 is connected to the inner peripheral surface of described cylinder 24.Described installing plate 22 and described cylinder
24 be partially formed a cavity 26.Described lamp socket 40 is placed in described cavity 26.Described installing plate 22
A groove 27 is formed with the lower part of described cylinder 24.Higher in the mounting post that described many groups are the most different
The one side of mounting post be connected on the inner peripheral surface of described cylinder 24, to increase the intensity of corresponding mounting post.
The upper end of described cylinder 24 is cut thinning and forms an insertion body 25.Described cylinder 24 is inserted in described
The bottom entering body 25 is outward extended with at least two installation portions 28.In the present embodiment, described installation portion 28
Quantity is three, is uniformly distributed in the periphery of described cylinder 24.The installing plate 22 of described back cover 20 offers confession
The cable-through hole 29 that wire passes.In the present embodiment, the quantity of described cable-through hole 29 is two, described many groups
The most different mounting posts 23 is arranged around described two cable-through holes 29.
Described fore shell 10 is in horn-like.The small end of described fore shell 10 is placed on the insertion body of described back cover 20
On 25.The periphery of described fore shell 10 is provided with fixed part 12.The fixed part 12 of described fore shell 10 is with described
The installation portion 28 of back cover 20 is one to one, so that described fore shell 10 and described back cover 20 are by described
Fixed part 12 and described installation portion 28 and fix.
Described reflector 50 is in horn-like and have parabola 52.Described parabola 52 is reflecting surface.Described
Reflector 50 is stretched in described fore shell 10 by the bigger end of described fore shell 10.Described bulb includes luminous body
32 and be connected to one end of described luminous body 32 and be installed on the electric connecting terminal 33 in described lamp socket 40.Described
Luminous body 32 penetrates in described reflector 50, so that described reflector 50 reflects described luminous body 32 and sends
Light.Described reflector 50 is around described luminous body 32.
Described lamp holder fixed holder 60 includes being installed on the plate body 61 bottom described lamp socket 40, by described plate body 61
The most described lamp socket 40 extend least one set connecting plate 62 and respectively by described least one set connecting plate 62
The outward extending fixed plate of lower horizontal 63 of each group of connecting plate 62.Described fixed plate 63 is according to difference
Bulb correspondence be installed in one group of mounting post.The plate body 61 of described lamp holder fixed holder 60 offers for described
The wire guide 64 that wire passes.
In the present embodiment, described plate body 61 is in the form of annular discs, each group of described least one set connecting plate 62
Connecting plate 62 is extended by the most described lamp socket of periphery 40 of described plate body 61 symmetrically.In other embodiments,
Described plate body 61 can be in strip, described least one set connecting plate 62 relative by described plate body 61 symmetrically
The most described lamp socket in two ends 40 extends.
Described least one set connecting plate 62 includes first group of connecting plate 620 and second group of connecting plate 621, described
First group of connecting plate 620 connects first group of fixed plate 630, and described second group of connecting plate 621 connects the
Two groups of fixed plates 631, the first installed surface 650 that described first group of fixed plate 630 is collectively forming and described the
The second installed surface 651 that two groups of fixed plates 631 are collectively forming is the most different.
Described connecting plate 620(621) make described fixed plate 630(631) have relative to described plate body 61
Certain altitude, when described lamp holder fixed holder 60 is fixed in one group of mounting post so that it is he organizes mounting post and institute
State lamp holder fixed holder 60 will not interfere.
Described light fixture 100 also includes being installed on the one end away from described back cover 20 of described fore shell 10
Cover 71, be covered in described fore shell 10 this end transparent go out optical window 72 and be installed on described fore shell 10
Outside mounting bracket 73.The light reflected by described reflector 50 by described transparent go out optical window 72 penetrate.
Described light fixture 100 also includes the bonnet 74 being placed on described back cover 20.
In the present invention, the centre of luminescence of described bulb is positioned at focus 51 position of described reflector 50, institute
The light stating reflector 50 reflection penetrates along the direction parallel with the axis of described reflector 50, can meet throwing
The light distribution requirements of light modulation.Specifically, when described lamp socket 40 is fixed on described lamp holder fixed holder 60, described
The fixed plate 63 of lamp holder fixed holder 60 is fixed in the mounting post of described back cover 20 by screw rod 75.If
Only one group of mounting post 230 on described back cover 20, the described lamp socket 40 height inside light fixture 100 is exactly
Fix.When the centre of luminescence of 400W bulb designs in the focus 51 of described reflector 50, this time
Imitate the highest.When changing 250W bulb, owing to the centre of luminescence of 250W bulb is relatively low, therefore the centre of luminescence
Fall after focus.The present invention solves this problem, and described back cover 20 increases by one group of high installation
Post 231, when needs dress 250W bulb, is just contained in high mounting post 231 by described lamp holder fixed holder 60
On so that the centre of luminescence of 250W bulb is located exactly at the position of described reflector 50 focus 51.Permissible
Understand ground, described back cover 20 increases the mounting post organizing differing heights more, different capacity and difference can be replaced
The bulb of type.
In the present invention, described lamp holder fixed holder 60 also increases fixed plate 630(631 of differing heights),
The light source different to adapt to more height.The light fixture 100 of the present invention is applicable to multiple different light source, and reaches
To identical light distribution requirements.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention
Protection domain within.
Claims (8)
1. a light fixture, it includes fore shell, is installed on described fore shell and is collectively forming an appearance with described fore shell
The back cover in chamber, be installed on described back cover in the lamp socket installed for different bulbs and being arranged in described fore shell
And reflect the reflector of the light that described bulb sends, it is characterised in that: described reflector has a focus,
Described bulb has a centre of luminescence, and it is different so that the luminescence of different bulb that described back cover has multiple height
The stationary plane that center overlaps with the focus of described reflector, described light fixture also includes being installed on described lamp socket and institute
State the lamp holder fixed holder between the stationary plane of back cover；Described back cover include installing plate and by described installing plate towards
Many groups of the mounting posts the most different protruded out in described back cover, the end face often organizing mounting post is formed for described lamp
The stationary plane that seat fixed mount is fixing；The most different mounting post of described many groups is symmetrically distributed on same circumference；
Described back cover also includes that cylinder, described installing plate are arranged at the inside of described cylinder, the outer rim of described installing plate
It is connected to the cavity that is partially formed of the inner peripheral surface of described cylinder, described installing plate and described cylinder, described
Lamp socket is placed in described cavity.
2. light fixture as claimed in claim 1, it is characterised in that: described bulb includes luminous body and is connected to
One end of described luminous body is also installed on the electric connecting terminal in described lamp socket, and described reflector is around described luminescence
Body.
3. the light fixture as described in any one of claim 1-2, it is characterised in that: described reflector is horn-like
And there is parabola, described parabola is reflecting surface.
4. the light fixture as described in any one of claim 1-2, it is characterised in that: described lamp holder fixed holder includes
It is installed on the plate body bottom described lamp socket, the least one set connecting plate extended by the most described lamp socket of described plate body
And respectively by the outward extending fixed plate of lower horizontal of each group of connecting plate of described least one set connecting plate,
Described fixed plate is installed in one group of mounting post according to different bulb correspondences.
5. light fixture as claimed in claim 4, it is characterised in that: described plate body is in the form of annular discs, described at least
Each group of connecting plate of one group of connecting plate is extended by the most described lamp socket of periphery of described plate body symmetrically.
6. light fixture as claimed in claim 4, it is characterised in that: described least one set connecting plate includes first
Group connecting plate and second group of connecting plate, described first group of connecting plate connects first group of fixed plate, and described second
Group connecting plate connects second group of fixed plate, the first installed surface that described first group of fixed plate is collectively forming and institute
State the second installed surface height difference that second group of fixed plate is collectively forming.
7. light fixture as claimed in claim 4, it is characterised in that: the installing plate of described back cover offers for leading
The cable-through hole that line passes, the plate body of described lamp holder fixed holder offers the wire guide passed for described wire.
8. the light fixture as described in any one of claim 1-2, it is characterised in that: described light fixture also includes installing
Cover on the one end away from described back cover of described fore shell, it is covered in this end saturating of described fore shell
Bright go out optical window and be installed on the mounting bracket outside described fore shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210175628.6A CN103453337B (en) | 2012-05-31 | 2012-05-31 | Light fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210175628.6A CN103453337B (en) | 2012-05-31 | 2012-05-31 | Light fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103453337A CN103453337A (en) | 2013-12-18 |
| CN103453337B true CN103453337B (en) | 2016-12-14 |
Family
ID=49736015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210175628.6A Expired - Fee Related CN103453337B (en) | 2012-05-31 | 2012-05-31 | Light fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103453337B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200951368A (en) * | 2008-05-15 | 2009-12-16 | Ledx Technologies Llc | Adjustable beam lamp |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2544176Y (en) * | 2002-04-03 | 2003-04-09 | 展升(香港)有限公司 | Light reflector focus regulator |
| CN101749560B (en) * | 2008-12-12 | 2013-05-08 | 财团法人工业技术研究院 | Lighting system |
| CN201819016U (en) * | 2010-06-25 | 2011-05-04 | 钟坤麟 | Searchlight with light source axial moving device |
| CN201892122U (en) * | 2010-11-29 | 2011-07-06 | 林士乾 | LED (light-emitting diode) spot lamp with reflective cup |
-
2012
- 2012-05-31 CN CN201210175628.6A patent/CN103453337B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200951368A (en) * | 2008-05-15 | 2009-12-16 | Ledx Technologies Llc | Adjustable beam lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103453337A (en) | 2013-12-18 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20200531 |
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| CF01 | Termination of patent right due to non-payment of annual fee |