CN103453337A - Lamp - Google Patents

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Publication number
CN103453337A
CN103453337A CN2012101756286A CN201210175628A CN103453337A CN 103453337 A CN103453337 A CN 103453337A CN 2012101756286 A CN2012101756286 A CN 2012101756286A CN 201210175628 A CN201210175628 A CN 201210175628A CN 103453337 A CN103453337 A CN 103453337A
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CN
China
Prior art keywords
group
light fixture
bulb
reflector
back cover
Prior art date
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.)
Granted
Application number
CN2012101756286A
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Chinese (zh)
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CN103453337B (en
Inventor
周明杰
李爱丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Engineering Co Ltd
Original Assignee
Oceans King Lighting Science and Technology Co Ltd
Shenzhen Oceans King Lighting Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Oceans King Lighting Science and Technology Co Ltd, Shenzhen Oceans King Lighting Engineering Co Ltd filed Critical Oceans King Lighting Science and Technology Co Ltd
Priority to CN201210175628.6A priority Critical patent/CN103453337B/en
Publication of CN103453337A publication Critical patent/CN103453337A/en
Application granted granted Critical
Publication of CN103453337B publication Critical patent/CN103453337B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The invention provides a lamp which comprises a front shell, a rear shell, a lamp base, a reflector and a lamp base fixing frame, wherein the rear shell is mounted on the front shell, the front shell and the rear shell jointly form a containing cavity, the lamp base is mounted in the rear shell and used for mounting different bulbs, and the reflector is arranged in the front shell and reflects light emitted by the bulbs. The reflector is provided with a focus, each bulb is provided with a luminous center, the rear shell is provided with a plurality of fixing surfaces with different heights so that the luminous centers of the different bulbs are overlapped with the focus of the reflector, and the lamp base fixing frame is mounted among the lamp base and the fixing surfaces of the rear shell. The fixing surfaces with the different heights are designed on the rear shell, the different bulbs can be selectively mounted on the fixing surfaces, so that the luminous centers of the bulbs mounted on the fixing surfaces are overlapped with the focus of the reflector, the same light distribution requirement is met when the different bulbs are mounted in the lamp, and the requirements of customers are met.

Description

Light fixture
Technical field
The invention belongs to lighting field, relate in particular to a kind of light fixture, the setting height(from bottom) of the lamp socket of wherein said light fixture can be regulated as required.
Background technology
In current lighting field, after Design of Luminaires is good, the user replaces different capacity and dissimilar bulb as required in the shell of same light fixture, just can obtain different luminous intensity distributions.
But, at some, illuminating effect there is is the occasion of strict demand, when changing the bulb of different capacity and different model, need to obtain same luminous intensity distribution.And can not meet the requirement of same luminous intensity distribution for current Design of Luminaires, for example, for this spot light of high-voltage gas discharging light, the installation site of lamp socket is high equally, but, because the length dimension difference of bulb, the luminous point of bulb is not on same position, for the light fixture that uses horn reflector, the luminous intensity distribution of different size bulb will be different, can not meet client's demand.In addition, because luminous point position is different, when the luminous point guaranteeing the 400W bulb, when being conducive to the position of luminous intensity distribution for one, after the user changes the bulb of 250W, because the 250W bulb is shorter, its luminous point will be near the small end of described reflector.Because having the problem of optically focused, reflector exists, will make light focusing on the 250W bulb, original 250W bulb temperature is just very high, again light focusing on the 250W bulb, the 250W bulb temperature will severe overweight, temperature is higher, and the service life of bulb will be shorter, when serious, can make the inner bag of bulb melt rotten burning out.
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of light fixture, is intended to solve the different problem of luminous intensity distribution that the light fixture that exists in prior art brings because of different bulbs.
The embodiment of the present invention is to realize like this, a kind of light fixture, it comprises fore shell, be installed on described fore shell and with described fore shell and jointly form the back cover of a cavity volume, be installed on the lamp socket of installing for different bulbs in described back cover and be arranged in 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 the centre of luminescence of different bulbs overlaps with the focus of described reflector that described back cover has a plurality of height, described light fixture also comprises the lamp holder fixed holder between the stationary plane that is installed on described lamp socket and described back cover.
Described light fixture designs the stationary plane of differing heights on described back cover, different bulbs can be selected its stationary plane of installing, so that be installed on the centre of luminescence of the bulb on described stationary plane, with the focus of described reflector, overlap, it is identical making different bulbs be installed on the light distribution requirements reached in light fixture of the present invention, meets client's requirement.In addition, because the centre of luminescence of different bulbs overlaps with the focus of described reflector, the focus that not there will be the centre of luminescence because of bulb to depart from described reflector make reflector by light-ray condensing the phenomenon on bulb, just not there will be the inner bag of bulb temperature severe overweight, reduction of service life and bulb to melt the rotten phenomenon burnt out yet.
The accompanying drawing explanation
Fig. 1 is the stereogram of the light fixture that provides of the embodiment of the present invention.
Fig. 2 is the cutaway view of the light fixture of Fig. 1, wherein shows the first bulb and is installed on wherein one group of erection column of back cover by lamp socket.
Fig. 3 is the partial enlarged drawing of Fig. 2.
Fig. 4 is the cutaway view of the light fixture of Fig. 1, wherein shows the second bulb and is installed on same group of erection column of back cover by lamp socket.
Fig. 5 is the cutaway view of the light fixture of Fig. 1, wherein shows described the second bulb and is installed on other one group of erection column of back cover by lamp socket.
Fig. 6 is the stereogram of back cover of the light fixture of Fig. 1.
Fig. 7 is the top view of back cover of the light fixture of Fig. 6.
Fig. 8 is the cutaway view of back cover A-A along the line of the light fixture of Fig. 6.
Fig. 9 is the cutaway view of back cover B-B along the line of the light fixture of Fig. 6.
Figure 10 is the stereogram of reflector of the light fixture of Fig. 2.
Figure 11 is the side view of reflector of the light fixture of Figure 10.
Figure 12 is the stereogram of a kind of embodiment of lamp holder fixed holder of the light fixture of Fig. 2.
Figure 13 is the stereogram of another kind of embodiment of lamp holder fixed holder of the light fixture of Fig. 2.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1 to Figure 13, the light fixture 100 that the embodiment of the present invention provides comprises fore shell 10, be installed on described fore shell 10 and from the common back cover 20 that forms cavity volumes 11 of described fore shell 10, be installed on the lamp socket 40 of installing for different bulbs in described back cover 20 and be arranged in described fore shell 10 and reflect the reflector 50 of the light that described bulb sends.Described reflector 50 has a focus 51.The first bulb 30(has been shown for example in Fig. 2, the 400W bulb) be installed on described lamp socket 40.Fig. 5 for example shows the second bulb 80(, the 250W bulb) be installed on described lamp socket 40.Described the first bulb 30 is different from described the second bulb 80.Described the first bulb 30 has a centre of luminescence 31.Described the second bulb 80 has a centre of luminescence 81.It is different for example, so that the stationary plane 21(82 that the centre of luminescence of different bulbs (, the centre of luminescence 81 of the centre of luminescence 31 of the first bulb 30, the second bulb 80) overlaps with the focus 51 of described reflector 50 that described back cover 20 has a plurality of height).Described light fixture 100 also comprises the stationary plane 21(82 that is installed on described lamp socket 40 and described back cover 20) between lamp holder fixed holder 60.
In the present embodiment, described light fixture 100 has only provided the embodiment that two kinds of different bulbs are installed, understandably, the different bulbs that described light fixture 100 goes for more than two kinds are installed, and the centre of luminescence of different bulbs is overlapped with the focus 51 of described reflector 50, to reach identical luminous intensity distribution.
The light fixture 100 that the embodiment of the present invention provides designs the stationary plane 21(82 of differing heights on described back cover 20), different bulbs can be selected its stationary plane of installing, so that be installed on the centre of luminescence of the bulb on described stationary plane, with the focus 51 of described reflector 50, overlap, it is identical making different bulbs be installed on the light distribution requirements reached in the light fixture 100 that the embodiment of the present invention provides, and meets client's requirement.In addition, because the centre of luminescence of different bulbs overlaps with the focus 51 of described reflector 50, the focus 51 that not there will be the centre of luminescence because of bulb to depart from described reflector 50 make reflector 50 by light-ray condensing the phenomenon on bulb, just not there will be the inner bag of bulb temperature severe overweight, reduction of service life and bulb to melt the rotten phenomenon burnt out yet.
Described lamp holder fixed holder 60, described lamp socket 40, described bulb and described reflector 50 are placed in described cavity volume 11.
Fig. 4 shows described the second bulb 80 and is installed on the stationary plane 21 that described the first bulb 30 installs, as we know from the figure, the below of the focus 51 of the centre of luminescence 81 of described the second bulb 80 in described reflector 50, described reflector 50 can, by light-ray condensing on bulb, make bulb temperature severe overweight, reduction of service life and make the inner bag of bulb 80 melt rotten burning out.
Described back cover 20 comprises installing plate 22 and many groups of highly different erection columns that protruded out in described back cover 20 by described installing plate 22.The end face of every group of erection column is formed with for the fixing stationary plane of described lamp holder fixed holder 60.Particularly, the highly different erection column of described many groups is symmetrically distributed on same circumference.More specifically, the highly different erection column of described many groups is distributed on same circumference symmetrically and evenly.
In the present embodiment, described erection column is two groups, for two different bulbs, installs.Wherein one group of erection column 230 is higher than other one group of erection column 231, and described wherein one group of erection column 230 forms stationary plane 21, and described other one group of erection column 231 forms stationary plane 82.In other embodiments, the group number of described erection column is other quantity, for more different bulbs, installs.
Described back cover 20 also comprises cylindrical shell 24.Described installing plate 22 is arranged at the inside of described cylindrical shell 24.The outer rim of described installing plate 22 is connected to the inner peripheral surface of described cylindrical shell 24.Described installing plate 22 divides and forms a cavity 26 with the top of described cylindrical shell 24.Described lamp socket 40 is placed in described cavity 26.Described installing plate 22 divides and forms a groove 27 with the bottom of described cylindrical shell 24.A described side of organizing the higher erection column in highly different erection columns is connected on the inner peripheral surface of described cylindrical shell 24 more, to increase the intensity of corresponding erection column.
The upper end of described cylindrical shell 24 is cut attenuation and forms an insertosome 25.Described cylindrical shell 24 is outward extended with at least two installation portions 28 in the bottom of described insertosome 25.In the present embodiment, the quantity of described installation portion 28 is three, is uniformly distributed in the periphery of described cylindrical shell 24.The installing plate 22 of described back cover 20 offers the cable-through hole 29 passed for wire.In the present embodiment, the quantity of described cable-through hole 29 is two, and the erection column 23 that described many groups are highly different arranges around described two cable-through holes 29.
Described fore shell 10 is horn-like.Being placed on the insertosome 25 of described back cover 20 than small end of described fore shell 10.The periphery of described fore shell 10 is provided with fixed part 12.The fixed part 12 of described fore shell 10 is one to one with the installation portion 28 of described back cover 20, so that described fore shell 10 is fixed with described installation portion 28 by described fixed part 12 with described back cover 20.
Described reflector 50 is horn-like and has parabola 52.Described parabola 52 is reflecting surface.Described reflector 50 is stretched in described fore shell 10 by the larger end of described fore shell 10.Described bulb comprises illuminator 32 and is connected in an end of described illuminator 32 and is installed on the electric connecting terminal 33 in described lamp socket 40.Described illuminator 32 penetrates in described reflector 50, so that the light that the described illuminator 32 of described reflector 50 reflection sends.Described reflector 50 is around described illuminator 32.
Described lamp holder fixed holder 60 comprises the plate body 61 that is installed on described lamp socket 40 bottoms, by the described plate body 61 at least one group of connecting plate 62 that described lamp socket 40 extends dorsad and respectively by the outward extending fixed head 63 of bottom level of each group connecting plate 62 of described at least one group of connecting plate 62.Described fixed head 63 is installed on one group of erection column according to different bulb correspondences.The plate body 61 of described lamp holder fixed holder 60 offers the wire guide 64 passed for described wire.
In the present embodiment, described plate body 61 is in the form of annular discs, each group connecting plate 62 of described at least one group of connecting plate 62 symmetrically by the periphery of described plate body 61 dorsad described lamp socket 40 extend.In other embodiments, described plate body 61 can be strip, described at least one group of connecting plate 62 symmetrically by the opposite end of described plate body 61 dorsad described lamp socket 40 extend.
Described at least one group of connecting plate 62 comprises first group of connecting plate 620 and second group of connecting plate 621, described first group of connecting plate 620 is connected with first group of fixed head 630, described second group of connecting plate 621 is connected with second group of fixed head 631, and common the first installed surface 650 formed of described first group of fixed head 630 is highly different from common the second installed surface 651 formed of described second group of fixed head 631.
Described connecting plate 620(621) make described fixed head 630(631) there is certain altitude with respect to described plate body 61, when described lamp holder fixed holder 60 is fixed on one group of erection column, other group erection columns and described lamp holder fixed holder 60 can not interfered.
Described light fixture 100 also comprise be installed on described fore shell 10 away from the cover 71 on an end of described back cover 20, be covered in the transparent mounting bracket 73 that goes out optical window 72 and be installed on described fore shell 10 outsides of this end of described fore shell 10.Transparently go out optical window 72 and penetrate by described by the light of described reflector 50 reflections.Described light fixture 100 also comprises the bonnet 74 be placed on described back cover 20.
In the present invention, the centre of luminescence of described bulb is positioned at focus 51 positions of described reflector 50, and the light of described reflector 50 reflections penetrates along the direction parallel with the axis of described reflector 50, can meet the light distribution requirements of Projecting Lamp.Particularly, when described lamp socket 40 is fixed on described lamp holder fixed holder 60, the fixed head 63 of described lamp holder fixed holder 60 is fixed on the erection column of described back cover 20 by screw rod 75.If only have one group of erection column 230 on described back cover 20, described lamp socket 40 is fixed at the height of light fixture 100 the insides.On the focus 51 of centre of luminescence design at described reflector 50 of 400W bulb, now light efficiency is the highest.When changing the 250W bulb, because the centre of luminescence of 250W bulb is lower, therefore the centre of luminescence has dropped on the back of focus.The invention solves this problem, increase by one group of high erection column 231 on described back cover 20, when needs dresses 250W bulb, just described lamp holder fixed holder 60 is contained on high erection column 231, make the centre of luminescence of 250W bulb just be positioned at the position of described reflector 50 focuses 51.Understandably, increase the erection column of many group differing heights on described back cover 20, can replace different capacity and dissimilar bulb.
In the present invention, also increase the fixed head 630(631 of differing heights on described lamp holder fixed holder 60), to adapt to more highly different light sources.Light fixture 100 of the present invention is applicable to multiple different light source, and reaches identical light distribution requirements.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.

Claims (10)

1. a light fixture, it comprises fore shell, be installed on described fore shell and with described fore shell and jointly form the back cover of a cavity volume, be installed on the lamp socket of installing for different bulbs in described back cover and be arranged in described fore shell and reflect the reflector of the light that described bulb sends, it is characterized in that: described reflector has a focus, described bulb has a centre of luminescence, it is different so that the stationary plane that the centre of luminescence of different bulbs overlaps with the focus of described reflector that described back cover has a plurality of height, described light fixture also comprises the lamp holder fixed holder between the stationary plane that is installed on described lamp socket and described back cover.
2. light fixture as claimed in claim 1, it is characterized in that: described back cover comprises installing plate and many groups of highly different erection columns that protruded out in described back cover by described installing plate, and the end face of every group of erection column is formed with for the fixing stationary plane of described lamp holder fixed holder.
3. light fixture as claimed in claim 2, is characterized in that: organize highly different erection columns more described and be symmetrically distributed on same circumference.
4. light fixture as claimed in claim 1 is characterized in that: described bulb comprises illuminator and is connected in an end of described illuminator and is installed on the electric connecting terminal in described lamp socket, and described reflector is around described illuminator.
5. as the described light fixture of claim 1-4 any one, it is characterized in that: described reflector is horn-like and has parabola, and described parabola is reflecting surface.
6. as the described light fixture of claim 2-4 any one, it is characterized in that: described lamp holder fixed holder comprises the plate body that is installed on described lamp socket bottom, by described plate body at least one group of connecting plate that described lamp socket extends dorsad and respectively by the outward extending fixed head of bottom level of each group connecting plate of described at least one group of connecting plate, and described fixed head is installed on one group of erection column according to different bulb correspondences.
7. light fixture as claimed in claim 6, it is characterized in that: described plate body is in the form of annular discs, each group connecting plate of described at least one group of connecting plate symmetrically by the periphery of described plate body dorsad described lamp socket extend.
8. light fixture as claimed in claim 6, it is characterized in that: described at least one group of connecting plate comprises first group of connecting plate and second group of connecting plate, described first group of connecting plate is connected with first group of fixed head, described second group of connecting plate is connected with second group of fixed head, and common the first installed surface formed of described first group of fixed head is different from common the second installed surface height formed of described second group of fixed head.
9. light fixture as claimed in claim 6 is characterized in that: the installing plate of described back cover offers the cable-through hole passed for wire, and the plate body of described lamp holder fixed holder offers the wire guide passed for described wire.
10. as the described light fixture of claim 1-4 any one, it is characterized in that: described light fixture also comprise be installed on described fore shell away from the cover on an end of described back cover, be covered in the transparent mounting bracket that goes out optical window and be installed on described fore shell outside of this end of described fore shell.
CN201210175628.6A 2012-05-31 2012-05-31 Light fixture Expired - Fee Related CN103453337B (en)

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 true CN103453337A (en) 2013-12-18
CN103453337B CN103453337B (en) 2016-12-14

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Citations (5)

* Cited by examiner, † Cited by third party
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
WO2009140528A1 (en) * 2008-05-15 2009-11-19 Ledx Technologies, Llc Adjustable beam lamp
CN101749560A (en) * 2008-12-12 2010-06-23 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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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
WO2009140528A1 (en) * 2008-05-15 2009-11-19 Ledx Technologies, Llc Adjustable beam lamp
TW200951368A (en) * 2008-05-15 2009-12-16 Ledx Technologies Llc Adjustable beam lamp
CN101749560A (en) * 2008-12-12 2010-06-23 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

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Granted publication date: 20161214

Termination date: 20200531