CN103836398A - Lamp - Google Patents
Lamp Download PDFInfo
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- CN103836398A CN103836398A CN201210491793.2A CN201210491793A CN103836398A CN 103836398 A CN103836398 A CN 103836398A CN 201210491793 A CN201210491793 A CN 201210491793A CN 103836398 A CN103836398 A CN 103836398A
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- light
- light source
- lamp housing
- fixedly connected
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Abstract
A lamp comprises a lamp shell, a lens, a guide rail, a guide sleeve, a screw rod base, a light source structure, a motor and a screw rod. The lamp shell is provided with a light outgoing opening; the lens is attached to the light outgoing opening; the guide rail is contained in the lamp shell and fixedly connected with the lamp shell; the guide sleeve is arranged on the guide rail in a sleeved mode and can slide relative to the guide rail; the screw rod base is fixedly connected with the guide sleeve and a screw hole is formed in the screw rod base; the light source structure is contained to the lamp shell and fixedly connected with the guide sleeve, can slide with the guide sleeve relative to the guide rail and comprises a light source located on the optic axis of the lens and facing the light outgoing opening; the motor is fixed to the lamp shell; one end of the screw rod is fixedly connected with a driving shaft of the motor and the other end of the screw rod is matched with the screw hole in the screw rod base in a threaded mode. According to the lamp, the light source connected with the motor is driven by the motor, so that the light source moves in a reciprocating mode along the guide rail, the distance between the light source and the lens is changed, and the focus point of light rays emitted by the light source on the lens is changed. Thus, under the condition that the position of the whole lamp is not changed, the functions that the lighting range of lamp light and the brightness of the lamp light are adjusted can be achieved.
Description
[technical field]
The present invention relates to a kind of lighting device, particularly relate to the light fixture of a kind of adjustable range of exposures and brightness.
[background technology]
The light source of existing lamp installation and the relative position of lens be generally fix or manual adjustments.Due to light fixture in use, if will regulate the range size of light-illuminating or the brightness size of light in the situation that whole light fixture does not change position, existing fitting structure is difficult for easily realizing.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide a kind of light fixture, this light fixture is simple and reliable, and the range size of lamp light adjustable irradiation and the brightness size of light.
A kind of light fixture, it comprises:
Lamp housing, has light-emitting window;
Lens, are attached at described light-emitting window, and the size of described lens and the size of light-emitting window suitable, described lens have optical axis;
Guide rail, is contained in described lamp housing, and is fixedly connected with described lamp housing;
Guide pin bushing, is sheathed on described guide rail, and with respect to described guide rail slidably;
Screw rodb base, is fixedly connected with described guide pin bushing, and described screw rodb base is provided with screw;
Light-source structure, be contained in described lamp housing, described light-source structure is fixedly connected with described guide pin bushing, and with described guide pin bushing with respect to described guide rail slidably, described light-source structure comprises the light source arranging on the optical axis that is positioned at described lens and towards described light-emitting window;
Motor, is fixed on described lamp housing; And
Screw mandrel, one end is fixedly connected with the driving shaft of described motor, and the screw of the other end and described screw rodb base is screwed;
Wherein, described motor drives described screw mandrel to rotate, described screw mandrel matches and drives described screw rodb base to move with described screw rodb base, described screw rodb base drives described guide pin bushing to slide with respect to described guide rail, described light-source structure is along with described guide pin bushing slides together, make described light source towards or dorsad described lens move.
Above-mentioned light fixture drives connected light source by motor, move around along guide rail, change the distance between light source and lens, thereby the focus point of the light that change light source sends on lens, whole like this light fixture, the in the situation that of shift position not, can be realized the function of the range size of light-illuminating and the brightness size adjustment of light.
In an embodiment, described lamp housing is long tubular construction therein, and described light-emitting window is located at the front end of described lamp housing, and described motor is contained in described lamp housing, and arranges near the rear end of described lamp housing.
Therein in an embodiment, also comprise gripper shoe, described gripper shoe is contained in described lamp housing, and be fixedly connected with the sidewall of described lamp housing, one end of described guide rail is fixedly connected with the front end of described lamp housing, the other end is fixedly connected with described gripper shoe, and the optical axis setting of lens described in described guide rail parallel; The driving shaft of described motor is through described gripper shoe, and the housing of described motor is fixedly connected with described gripper shoe.
Therein in an embodiment, described light-source structure also comprises light source fixed head, described light source fixed head and described light-emitting window are oppositely arranged, described guide pin bushing is through described light source fixed head, and be fixedly connected with described light source fixed head, described light source fixed head is slided with described guide pin bushing, and described light source is fixed on the described light source fixed head surface relative with described light-emitting window.
Therein in an embodiment, described light-source structure also comprises reflector, described reflector is fixed on the described light source fixed head surface relative with described light-emitting window, described light source is contained in described reflector, wherein, the light of described light source transmitting, after described reflector reflection, be injected on described lens, and transmission is gone out after described lens reflection.
In an embodiment, described light-source structure also comprises radiating block therein, described radiating block be fixed on described light source fixed head and described light source back to surface, and setting corresponding to described light source.
In an embodiment, also comprise connecting plate therein, described guide pin bushing passes described connecting plate, and is fixedly connected with described connecting plate, and described screw rodb base is fixed on described connecting plate, and described radiating block is between described connecting plate and described light source fixed head.
In an embodiment, described guide rail is four, and parallel interval setting therein, and described guide pin bushing correspondence is set to four, and described connecting plate and gripper shoe are rectangular slab, and described four guide pin bushings pass respectively four drift angles of described connecting plate and gripper shoe.
Therein in an embodiment, described screw mandrel comprises the screw thread body of rod and is located at the branch sleeve of one end of the screw thread body of rod, described branch sleeve and described coaxial connection of the screw thread body of rod, the free end of the driving shaft of described motor is contained in described branch sleeve, pass the free end of the driving shaft of described branch sleeve and described motor by bearing pin, the free end of the driving shaft of described motor is fixedly connected with described branch sleeve.
Therein in an embodiment, also comprise U-shaped support and screw-threaded coupling part, the two ends of described U-shaped support are fixedly connected with the two opposite side walls of described lamp housing by described screw-threaded coupling part, and while unscrewing described screw-threaded coupling part, described lamp housing is moving with respect to described U-shaped bracket-rotatable.
[accompanying drawing explanation]
Fig. 1 is the stereogram of the light fixture of one embodiment of the present invention
Fig. 2 is that shown in Fig. 1, light fixture is removed the stereogram after local lamp housing;
Fig. 3 is the stereogram of axially analysing and observe of light fixture shown in Fig. 1;
Fig. 4 is the axial cutaway view of light fixture shown in Fig. 1;
Fig. 5 is that light fixture shown in Fig. 1 is removed the top view behind the top of lamp housing.
[specific embodiment]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing, provide preferred embodiment of the present invention.But the present invention can realize in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiment is to make to the understanding of disclosure of the present invention more thoroughly comprehensively.
It should be noted that, when element is called as " being fixed on " another element, it can be directly on another element or also can have an element placed in the middle.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term using in description of the present invention herein, just in order to describe the object of specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1 and Fig. 2, the light fixture 100 of embodiment of the present invention, comprises lamp housing 110, lens 120, guide rail 130, guide pin bushing 140, screw rodb base 150, light-source structure 160, motor 170 and screw mandrel 180.Lamp housing 110 is as the bearing part of other elements of light fixture 100.The light of lens 120 for regulating light-source structure 160 to send.Guide rail 130 and guide pin bushing 140 play the guiding role when the interior slip of lamp housing 110 for light-source structure 160.Screw rodb base 150 matches with screw mandrel 180, while making motor 170 drive screw mandrel 180 to rotate, orders about screw rodb base 150 and moves, and screw rodb base 150 drives light-source structure 160 to move.
In other embodiments, the two ends of guide rail 130 can directly be fixedly connected with front end 113 and the rear end 115 of lamp housing 110 respectively; Or gripper shoe 191 is two, arrange near front end 113 and the rear end 115 of lamp housing 110 respectively, now, the two ends of guide rail 130 can directly be fixedly connected with two gripper shoes 191 respectively; Or, the two ends bending of guide rail 130, and be directly fixedly connected with the sidewall of lamp housing 110.
It should be noted that, the fixed form of screw rodb base 150 is not limited to aforesaid way, and for example, screw rodb base 150 can be directly fixed on light-source structure 160.
See also Fig. 3, light-source structure 160 is contained in lamp housing 110, and light-source structure 160 is fixedly connected with guide pin bushing 140, and with guide pin bushing 140 with respect to guide rail 130 slidably.Light-source structure 160 comprises the light source 161 arranging on the optical axis that is positioned at lens 120 and towards light-emitting window 111.
Specifically in the illustrated embodiment, light-source structure 160 also comprises light source fixed head 163, and light source fixed head 163 is oppositely arranged with the light-emitting window 111 of lamp housing 110.Guide pin bushing 140 passes light source fixed head 163, and is fixedly connected with light source fixed head 163, and light source fixed head 163 is slided with guide pin bushing 140.Light source 161 is fixed on the surface that light source fixed head 163 is relative with light-emitting window 111.Light source 161 can be LED, and now, light source fixed head 163 can be LED drive circuit plate.Or light source 161 is miniature bulb, one-way golden halogen light etc., the loading plate that light source fixed head 163 is fixed lamp-socket.
Further, guide rail 130 is four, and parallel interval setting, and guide pin bushing 140 correspondences are set to four, and connecting plate 193 and gripper shoe 191 are rectangular slab, and four guide pin bushings 140 pass respectively four drift angles of connecting plate 193 and gripper shoe 191.Because guide pin bushing 140 is positioned at four drift angles of connecting plate 193 and gripper shoe 191, make connecting plate 193 and gripper shoe 191 stressed comparatively even when mobile, and then connecting plate 193 and gripper shoe 191 can be moved stably, therefore, can further improve the degree of regulation of light-source structure 160.
In other embodiments, motor 170 is positioned at the outside of lamp housing 110, and the driving shaft of motor 170 is through lamp housing 110, and the housing of motor 170 is fixedly connected with the outer surface of lamp housing 110.Or motor 170 is contained in lamp housing 110, the end that motor 170 is relative with driving shaft is fixed on the inner side of the rear end 115 of lamp housing 110.Certainly, in the present invention, the fixed form of motor 170 is not limited to the mode of foregoing description.
See also Fig. 4 and Fig. 5, one end of screw mandrel 180 is fixedly connected with the driving shaft of motor 170, and the screw of the other end and screw rodb base 150 is screwed.Wherein, motor 170 drives screw mandrel 180 to rotate, and screw mandrel 180 matches with screw rodb base 150 and drives screw rodb base 150 to move, and screw rodb base 150 drives guide pin bushing 140 to slide with respect to guide rail 130, light-source structure 160 is along with guide pin bushing 140 slides together, make light source 161 towards or dorsad lens 120 move.
Specifically in the illustrated embodiment, screw mandrel 180 comprises the screw thread body of rod 181 and is located at the branch sleeve 183 of one end of the screw thread body of rod 181, branch sleeve 183 is connected with the screw thread body of rod 181 is coaxial, the free end of the driving shaft of motor 170 is contained in branch sleeve 183, free end by bearing pin 185 through the driving shaft of branch sleeve 183 and motor 170, makes the free end of the driving shaft of motor 170 be fixedly connected with branch sleeve 183.Because adopting branch sleeve 183 and the driving shaft of motor 170, screw mandrel 180 removably connects, so that change screw mandrel 180 or motor 170.
It should be noted that, screw mandrel 180 is not limited to said structure, can be also other structures, and for example, screw mandrel 180 is and the screw rod of the coaxial welding of driving shaft of motor 170.
Further, light-source structure 160 also comprises reflector 165, reflector 165 is fixed on the surface that light source fixed head 163 is relative with light-emitting window 111, light source 161 is contained in reflector, wherein, the light that light source 161 is launched, after reflector 165 reflections, be injected on lens 120, and transmission is gone out after lens 120 refractions.Because reflector 165 has optically focused effect, make the emitting brightness of light fixture 100 higher.
Further, light-source structure 160 also comprises radiating block 167, radiating block 167 be fixed on light source fixed head 163 and light source 161 back to surface, and setting corresponding to light source 161.Specifically in the illustrated embodiment, radiating block 167 is between connecting plate 193 and light source fixed head 163.Radiating block 167 comprises substrate 167a and is located at the multiple radiating fin 167b on substrate 167a, the plurality of radiating fin 167b parallel interval setting.In addition, substrate 167a is circular slab, and multiple fin surround circular configuration jointly, makes radiating block 167 for cylindrical structural, and the just center of circle setting to columniform radiating block 167 of light source 161, thereby accelerates the radiating efficiency of radiating block 167.
Further, light fixture 100 also comprises U-shaped support 195 and screw-threaded coupling part 197, the two ends of U-shaped support 195 are fixedly connected with the two opposite side walls of lamp housing 110 by screw-threaded coupling part 197, and while unscrewing locking member 197, lamp housing 110 is rotatable with respect to U-shaped support 195.Specifically in the illustrated embodiment, screw-threaded coupling part 197 comprises an adjustment cap 197a and threaded portion 197b, threaded portion 197b is located at one end of an adjustment cap 197a, threaded portion 197b passes after the end of U-shaped support 195 and the sidewall of lamp housing 110, screw togather with nut, thereby lock U-shaped support 195, a free-hand adjustment cap 197a that can turn screw-threaded coupling part 197.Because lamp housing 110 can be rotatable with respect to U-shaped support 195, thereby regulate further the irradiating angle of light fixture 100.When installation, light fixture 100 can be fixed on supporter by U-shaped support 195.
The distance of above-mentioned light fixture 100 take motor 170 as power adjustment light source 161 and between lens 120, can realize and control the range size of light-illuminating and the brightness size adjustment function of light.While assembling above-mentioned light fixture 100, light-source structure 160 is fixed on guide pin bushing 140, and guide pin bushing 140 is enclosed within on guide rail 130, and guide rail 130 is fixed on lamp housing 110, and light-source structure 160 connects with screw mandrel 180 and motor 170.In the time that rotating, moves by motor 170 connected light-source structure 160, regulate the distance between light source 161 and lens 120, thereby the focus point of the light that adjusting light source 161 sends on lens 120, can realize the range size of light-illuminating and the brightness size adjustment function of light.
Therefore, above-mentioned light fixture 100 drives connected light source 161 by motor 170, move around along guide rail 130, change the distance between light source 161 and lens 120, thereby change the focus point of the light that sends of light source 161 on lens 120, can realize like this function of whole light fixture 100 range size of light-illuminating and brightness size adjustment of light in the situation that of shift position not.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore 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 light fixture, is characterized in that, comprising:
Lamp housing, has light-emitting window;
Lens, are attached at described light-emitting window, and the size of described lens and the size of light-emitting window suitable, described lens have optical axis;
Guide rail, is contained in described lamp housing, and is fixedly connected with described lamp housing;
Guide pin bushing, is sheathed on described guide rail, and with respect to described guide rail slidably;
Screw rodb base, is fixedly connected with described guide pin bushing, and described screw rodb base is provided with screw;
Light-source structure, be contained in described lamp housing, described light-source structure is fixedly connected with described guide pin bushing, and with described guide pin bushing with respect to described guide rail slidably, described light-source structure comprises the light source arranging on the optical axis that is positioned at described lens and towards described light-emitting window;
Motor, is fixed on described lamp housing; And
Screw mandrel, one end is fixedly connected with the driving shaft of described motor, and the screw of the other end and described screw rodb base is screwed;
Wherein, described motor drives described screw mandrel to rotate, described screw mandrel matches and drives described screw rodb base to move with described screw rodb base, described screw rodb base drives described guide pin bushing to slide with respect to described guide rail, described light-source structure is along with described guide pin bushing slides together, make described light source towards or dorsad described lens move.
2. light fixture as claimed in claim 1, is characterized in that, described lamp housing is long tubular construction, and described light-emitting window is located at the front end of described lamp housing, and described motor is contained in described lamp housing, and arranges near the rear end of described lamp housing.
3. light fixture as claimed in claim 2, it is characterized in that, also comprise gripper shoe, described gripper shoe is contained in described lamp housing, and be fixedly connected with the sidewall of described lamp housing, one end of described guide rail is fixedly connected with the front end of described lamp housing, and the other end is fixedly connected with described gripper shoe, and the optical axis setting of lens described in described guide rail parallel; The driving shaft of described motor is through described gripper shoe, and the housing of described motor is fixedly connected with described gripper shoe.
4. light fixture as claimed in claim 1, it is characterized in that, described light-source structure also comprises light source fixed head, described light source fixed head and described light-emitting window are oppositely arranged, described guide pin bushing is through described light source fixed head, and be fixedly connected with described light source fixed head, described light source fixed head is slided with described guide pin bushing, described light source is fixed on the described light source fixed head surface relative with described light-emitting window.
5. light fixture as claimed in claim 4, it is characterized in that, described light-source structure also comprises reflector, described reflector is fixed on the described light source fixed head surface relative with described light-emitting window, and described light source is contained in described reflector, wherein, the light of described light source transmitting, after described reflector reflection, be injected on described lens, and transmission is gone out after described lens reflection.
6. light fixture as claimed in claim 4, is characterized in that, described light-source structure also comprises radiating block, described radiating block be fixed on described light source fixed head and described light source back to surface, and setting corresponding to described light source.
7. light fixture as claimed in claim 6, is characterized in that, also comprises connecting plate, described guide pin bushing is through described connecting plate, and be fixedly connected with described connecting plate, described screw rodb base is fixed on described connecting plate, and described radiating block is between described connecting plate and described light source fixed head.
8. light fixture as claimed in claim 7, is characterized in that, described guide rail is four, and parallel interval setting, described guide pin bushing correspondence is set to four, and described connecting plate and gripper shoe are rectangular slab, and described four guide pin bushings pass respectively four drift angles of described connecting plate and gripper shoe.
9. light fixture as claimed in claim 1, it is characterized in that, described screw mandrel comprises the screw thread body of rod and is located at the branch sleeve of one end of the screw thread body of rod, described branch sleeve and described coaxial connection of the screw thread body of rod, the free end of the driving shaft of described motor is contained in described branch sleeve, pass the free end of the driving shaft of described branch sleeve and described motor by bearing pin, the free end of the driving shaft of described motor is fixedly connected with described branch sleeve.
10. light fixture as claimed in claim 1, it is characterized in that, also comprise U-shaped support and screw-threaded coupling part, the two ends of described U-shaped support are fixedly connected with the two opposite side walls of described lamp housing by described screw-threaded coupling part, while unscrewing described screw-threaded coupling part, described lamp housing is moving with respect to described U-shaped bracket-rotatable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210491793.2A CN103836398B (en) | 2012-11-27 | 2012-11-27 | Light fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210491793.2A CN103836398B (en) | 2012-11-27 | 2012-11-27 | Light fixture |
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| Publication Number | Publication Date |
|---|---|
| CN103836398A true CN103836398A (en) | 2014-06-04 |
| CN103836398B CN103836398B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210491793.2A Active CN103836398B (en) | 2012-11-27 | 2012-11-27 | Light fixture |
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| CN (1) | CN103836398B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806981A (en) * | 2015-05-04 | 2015-07-29 | 刘波 | Lamp holder of ship body searchlamp |
| CN104990004A (en) * | 2015-07-16 | 2015-10-21 | 宁波金熠光电科技有限公司 | LED spotlight |
| WO2016049997A1 (en) * | 2014-09-29 | 2016-04-07 | 林璧光 | Lens focus-adjusting led-type spotlight |
| CN106287412A (en) * | 2016-08-19 | 2017-01-04 | 中节能晶和照明有限公司 | A kind of fixing device for connecting LED light source and lamp housing |
| CN106641802A (en) * | 2016-12-30 | 2017-05-10 | 宁波欧琳厨具有限公司 | Portable purification negative ion lamp |
| CN107524976A (en) * | 2017-09-22 | 2017-12-29 | 福建中科锐创光电科技有限公司 | Electronic hue angle can optically focused track lamp |
| CN107561828A (en) * | 2016-07-01 | 2018-01-09 | 杭州海康威视数字技术股份有限公司 | Light compensating apparatus |
| CN111503562A (en) * | 2020-05-06 | 2020-08-07 | 陈威 | Intelligent tunnel lighting system and method |
| CN112032670A (en) * | 2020-08-25 | 2020-12-04 | 和鸿电气股份有限公司 | High-precision warning projection lamp for forklift illumination |
| CN113175642A (en) * | 2021-05-12 | 2021-07-27 | 邓雄 | Even light type LED ceiling lamp |
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| US20050286250A1 (en) * | 2002-09-09 | 2005-12-29 | Tsunemichi Tanaka | Spotlight |
| CN201661934U (en) * | 2010-01-29 | 2010-12-01 | 大连电子工业股份有限公司 | Focusable lamp structure |
| CN202091904U (en) * | 2011-04-14 | 2011-12-28 | 北京欣天和怡机电设备安装工程有限公司 | Light-emitting diode (LED) imaging lamp with multiple light sources |
| CN202371598U (en) * | 2011-12-29 | 2012-08-08 | 林璧光 | Light-emitting diode (LED) projection lamp |
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| US20050286250A1 (en) * | 2002-09-09 | 2005-12-29 | Tsunemichi Tanaka | Spotlight |
| CN201661934U (en) * | 2010-01-29 | 2010-12-01 | 大连电子工业股份有限公司 | Focusable lamp structure |
| CN202091904U (en) * | 2011-04-14 | 2011-12-28 | 北京欣天和怡机电设备安装工程有限公司 | Light-emitting diode (LED) imaging lamp with multiple light sources |
| CN202371598U (en) * | 2011-12-29 | 2012-08-08 | 林璧光 | Light-emitting diode (LED) projection lamp |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016049997A1 (en) * | 2014-09-29 | 2016-04-07 | 林璧光 | Lens focus-adjusting led-type spotlight |
| CN104806981A (en) * | 2015-05-04 | 2015-07-29 | 刘波 | Lamp holder of ship body searchlamp |
| CN104990004A (en) * | 2015-07-16 | 2015-10-21 | 宁波金熠光电科技有限公司 | LED spotlight |
| CN107561828A (en) * | 2016-07-01 | 2018-01-09 | 杭州海康威视数字技术股份有限公司 | Light compensating apparatus |
| CN106287412A (en) * | 2016-08-19 | 2017-01-04 | 中节能晶和照明有限公司 | A kind of fixing device for connecting LED light source and lamp housing |
| CN106641802A (en) * | 2016-12-30 | 2017-05-10 | 宁波欧琳厨具有限公司 | Portable purification negative ion lamp |
| CN106641802B (en) * | 2016-12-30 | 2023-09-01 | 宁波欧琳厨具有限公司 | Portable purifying anion lamp |
| CN107524976A (en) * | 2017-09-22 | 2017-12-29 | 福建中科锐创光电科技有限公司 | Electronic hue angle can optically focused track lamp |
| CN107524976B (en) * | 2017-09-22 | 2023-12-05 | 福建中科锐创光电科技有限公司 | Electric angle-adjustable spotlight rail lamp |
| CN111503562A (en) * | 2020-05-06 | 2020-08-07 | 陈威 | Intelligent tunnel lighting system and method |
| CN111503562B (en) * | 2020-05-06 | 2021-12-03 | 甘肃新视能科技有限公司 | Intelligent tunnel lighting system and method |
| CN112032670A (en) * | 2020-08-25 | 2020-12-04 | 和鸿电气股份有限公司 | High-precision warning projection lamp for forklift illumination |
| CN113175642A (en) * | 2021-05-12 | 2021-07-27 | 邓雄 | Even light type LED ceiling lamp |
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|---|---|
| CN103836398B (en) | 2016-04-27 |
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