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WO2018157837A1 - Appareil d'éclairage - Google Patents

Appareil d'éclairage Download PDF

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Publication number
WO2018157837A1
WO2018157837A1 PCT/CN2018/077738 CN2018077738W WO2018157837A1 WO 2018157837 A1 WO2018157837 A1 WO 2018157837A1 CN 2018077738 W CN2018077738 W CN 2018077738W WO 2018157837 A1 WO2018157837 A1 WO 2018157837A1
Authority
WO
WIPO (PCT)
Prior art keywords
box
lighting fixture
light
moving object
lighting
Prior art date
Application number
PCT/CN2018/077738
Other languages
English (en)
Chinese (zh)
Inventor
汪玉华
Original Assignee
汪玉华
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 汪玉华 filed Critical 汪玉华
Publication of WO2018157837A1 publication Critical patent/WO2018157837A1/fr
Priority to US16/543,837 priority Critical patent/US10757788B2/en

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/005—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips for several lighting devices in an end-to-end arrangement, i.e. light tracks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/16—Controlling the light source by timing means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Definitions

  • the present disclosure relates to an LED lighting fixture for convenient use indoors and outdoors.
  • the purpose of the present disclosure is to overcome the deficiencies of the prior art, and provide a lighting fixture comprising a box-shaped casing, and a plurality of LED (light emitting diode) light-emitting elements are disposed on a light-emitting side of the box-shaped casing.
  • a wire for guiding the power source is disposed on the non-light-emitting surface of the box-shaped casing, and an electric plug for receiving the power source is disposed at an outer end of the wire of the power source, and is transparently disposed outside the light-emitting side of the box-shaped casing a translucent outer shroud
  • a manipulation device including a plurality of manipulation units is disposed within the box-shaped housing, the plurality of manipulation units including: a manipulation unit that controls the illumination switch by detecting a moving object by microwave emission; A control unit that turns off the illumination after a set delay time period after detecting the moving object; a manipulation unit that controls the illumination switch to detect the illumination intensity of the surrounding environment; and a manipulation unit that controls the percentage of the illumination intensity
  • a microwave emitting device that emits a steering unit that detects a moving object and controls the lighting switch is disposed on a light emitting side of the box-shaped casing.
  • the lighting fixture provided by the present disclosure has the function of lighting or extinguishing lighting in response to conditions such as “someone or no one”, “ambient ambient lighting”, “unmanned standby delay”, etc., saving energy and being convenient to use.
  • FIG. 1 is a general schematic view of a lighting fixture of the present disclosure.
  • FIG. 2 is an internal schematic view of a lighting fixture of the present disclosure.
  • FIG 3 is a schematic view showing an example of a selection switch board used in the lighting fixture of the present disclosure.
  • 4 to 7 are schematic views of an operation example of the selection switch board of the present disclosure.
  • FIG. 1 is a general schematic view of a lighting fixture 11 of the present disclosure.
  • the lighting fixture 11 includes a box-shaped casing 12 and a plate-shaped outer shroud 16.
  • the plurality of manipulation units of the manipulation device 17 may further comprise a manipulation unit that reduces the illumination intensity after a set period of time has elapsed after the moving object is not detected.
  • a wire 13 for guiding the power source is disposed on a non-light-emitting surface of the box-shaped casing 12, and an electric plug 14 for receiving a power source is provided at an outer end of the wire of the power source.
  • a power socket 15 for outputting a power source in parallel with the power source to be connected may be provided (in the figure, the power source wire 13 and the power socket 15 connected in parallel and outputting the power source are They are respectively at the two ends of the elongated box-shaped casing 12.
  • the power socket 15 facilitates the access of the other lamps one by one, which makes the installation convenient and saves costs.
  • the other non-light emitting surface of the box-shaped casing 12 is further provided with a selection switch board 18, and the selection switch board 18 is provided with a plurality of selection switch buttons for controlling each control unit for setting the working state of each control unit. .
  • the selection switch board 18 and the selection switch dial reference is made to Figs. 3 to 7.
  • FIG. 2 is a schematic view showing the inside of a lighting fixture of the present disclosure.
  • This figure shows the light emitting surface 19 of the box-shaped casing 12.
  • a plurality of LED (Light Emitting Diode) light-emitting elements 20 are provided on the light-emitting surface 19, and emit light toward the side to be illuminated.
  • a part of the area of the light-emitting surface 19, the transmitting or receiving device 21 required for the manipulation unit is provided (there are three examples in the figure, and other numbers can be set as needed), including microwave emission detection, remote control reception, etc., which are set according to specific designs. .
  • the outer shroud 16 is for transmitting light emitted by the LEDs and signals transmitted or received by the respective transmitting or receiving devices 21, and protecting the light emitting surface 19 to prevent damage.
  • the material of the outer shroud 16 is completely transparent, or is translucent or partially transparent to prevent glare, and can also be made into a specific color.
  • the outer shroud 16 is fastened to the light-emitting surface 19 of the box-shaped casing 12 as indicated by the dotted line 50.
  • FIG. 3 is an illustration of an example of a selector switch plate 18 for use with a lighting fixture of the present disclosure.
  • the selector switch board 18 of the present embodiment has ten two-position toggle switches numbered from 1 to 10 (the example in the figure is ten, and other numbers can be set as needed).
  • the selection switch plate 18 has a plate surface 25, a hinged cover 26, and a buckle 27.
  • the setting of the toggle switch of Embodiment 1 is shown in FIG.
  • the 10 two-position toggle switches (numbered 1 to 10) are divided into 5 groups.
  • the number, function and operation are as follows:
  • the first group includes two-position toggle switches 1 and 2, one of the dial switch 1, one of the dial switch 1, the one of the dial switch 2 and the dial switch 2, which are used for regulation
  • the manipulation unit is a "manipulation unit (microwave sensing device) that operates the illumination switch by detecting the moving object by microwave emission” (for example, using one of the transmitting or receiving devices 21), and is adjusted to sense the sensing distance of the moving object , respectively, near, near, far, far four grades (for example, 1-3 meters, 3-5 meters, 5-8 meters, 8-12 meters), the buttons in the figure are in the "closer" file (for example, 3-5 meters), other files can also be used.
  • the second group includes two-position toggle switches 3 and 4, which are also four gears.
  • the control unit for regulation is a control unit that reduces the illumination intensity after a set delay time period after detecting no moving object. ".
  • the set time period includes four times (closed, short, long, and long) (eg, off, 30 seconds, 10 minutes, 30 minutes).
  • the buttons shown in the figure are in the "long time” position (for example, 30 minutes), and other files can be used.
  • the degree of "attenuation of the illumination intensity” is preset in the manipulation unit (for example, "weak to 50% of full brightness”). When the moving object is detected again, the lighting fixture lights up again.
  • the third group includes two-position toggle switches 5 and 6, which are also four gears.
  • the control unit for regulation is "the control unit that controls the illumination switch to detect the ambient light intensity”.
  • the set ambient light intensity includes off, cloudy, dim, and night.
  • the buttons in the figure are in the "off” mode, that is, "the lighting fixture is turned on or off from the ambient light intensity", and other gears can be used.
  • the fourth group includes two-position toggle switches 7 and 8, which are also four gears.
  • the function for regulation is "% of the light intensity emitted when the lighting fixture is lit". Can be set to 25%, 50%, 75%, 100%.
  • the buttons shown in the figure are in the "100%" position, that is, full brightness, and other files can be used.
  • the fifth group includes two-position toggle switches 9 and 10, which are also four gears.
  • the function for regulation is to "turn off the lighting fixture after a set delay time period after detecting the moving object.”
  • the set time period includes four times (closed, shorter, longer, and longer) (eg, off, 30 seconds, 10 minutes, 30 minutes).
  • the buttons shown in the figure are in the "long time” position (for example, 30 minutes), and other files can be used.
  • the setting of the toggle switch of Embodiment 2 is shown in FIG.
  • the 10 two-position toggle switches (numbered 1 to 10) are divided into 5 groups.
  • the number, function and operation are as follows:
  • the dials in the figure are also in the "closer" position (for example, 3-5 meters). That is: the microwave sensing device senses the distance of the moving object to be 3-5 meters.
  • the dial in the figure is in a "short-time" position (for example, 30 seconds). That is, "the illumination intensity is reduced to a predetermined percentage % after 30 seconds after the moving object is not detected".
  • the lighting fixture lights up again.
  • the dial in the figure is in a "dark” position, that is, when the ambient light intensity is “dark”, and when the moving object is sensed, the lighting fixture is illuminated.
  • the dial in the figure is in the "100%" position. That is, the illumination lamp emits full brightness.
  • the dial in the figure is in the "longer" position (for example, 10 minutes). That is, the lighting fixture is turned off after a set delay time period of 10 minutes after the moving object is not detected. When the moving object is detected again, the lighting fixture lights up again.
  • the setting of the toggle switch of Embodiment 3 is shown in Fig. 6.
  • the 10 two-position toggle switches (numbered 1 to 10) are divided into 5 groups.
  • the number, function and operation are as follows:
  • the dials in the figure are also in the "closer" position (for example, 3-5 meters). That is: the microwave sensing device senses the distance of the moving object to be 3-5 meters.
  • the second group in this embodiment, is "neutral". That is: the dial button does not set any function (does not work).
  • the dial in the figure is in a "dark” position, that is, "when the ambient light intensity is “dark”, and when the moving object is sensed, the lighting fixture is illuminated.
  • the dial in the figure is in the "100%" position. That is, the illumination lamp emits full brightness.
  • the dial in the figure is in the "longer" position (for example, 10 minutes). That is, the lighting fixture is turned off after a set delay time period of 10 minutes after the moving object is not detected. When the moving object is detected again, the lighting fixture lights up again.
  • buttons are actually used, and of course, other groups of buttons can be used.
  • the setting of the dial switch of Embodiment 4 is shown in Fig. 7.
  • the 10 two-position toggle switches (numbered 1 to 10) are divided into 5 groups.
  • the number, function and operation are as follows:
  • the dials in the figure are also in the "closer" position (for example, 3-5 meters). That is: the microwave sensing device senses the distance of the moving object to be 3-5 meters.
  • the manipulation unit of the manipulation device is a manipulation unit that controls the cold-warm color of the white light emitted by the illumination element.
  • the plurality of LED (Light Emitting Diode) light-emitting elements 20 disposed on the light-emitting surface 19 include at least two light-emitting diodes emitting different cold-warm white light, one of which emits cool-white light and the other light-emitting diode A warm white light is emitted, and various light-emitting diodes are evenly arranged.
  • the color of the mixed light is adjusted by the intensity of various lights, and is divided into four grades: cold, cold, warmer and warmer. The example in the figure is in the "warm" file, and other files can be used.
  • the dial in the figure is in a "dark” position, that is, "when the ambient light intensity is “dark”, and when the moving object is sensed, the lighting fixture is illuminated.
  • the dial in the figure is in the "100%" position. That is, the illumination lamp emits full brightness.
  • the dial in the figure is in the "longer" position (for example, 10 minutes). That is, the lighting fixture is turned off after a set delay time period of 10 minutes after the moving object is not detected. When the moving object is detected again, the lighting fixture lights up again.
  • the plurality of selection switch buttons of the selection switch board are divided into a plurality of groups, and the state combination of the selection switch buttons in each group is set to sense the sensing distance of the moving object, after detecting the moving object The time period over which the illumination is turned off, the ambient light intensity, or the percentage of illumination intensity that is illuminated when the luminaire is illuminated.
  • the combination of states of the selector switch buttons in each group can also set the delay period through which the illumination intensity is reduced after the detected moving object is not detected.
  • the combination of state of the selector switch buttons in each group also sets the cool-warm color of the white light emitted by the LED.
  • the selector switch plate 18 used in the lighting fixture of the present disclosure is provided on the lamp body. If the luminaire is installed at a higher position, it is not convenient to adjust or modify the set plan.
  • An additional infrared remote control can be used for remote control. For example, an infrared remote control signal is received by one of the transmitting or receiving devices 21 of FIG.
  • Another remote control method is to use a smartphone.
  • a Bluetooth modular control unit is added to the control device, and the variables of the luminaire are manipulated by the operation of the smart phone.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

L'invention concerne un appareil d'éclairage qui comprend un logement en forme de boîte (12), de multiples éléments électroluminescents à DEL (20) étant disposés au niveau de la surface d'émission de lumière (19) du logement en forme de boîte (12). Un fil (13) et une fiche électrique (14) pour la connexion à une alimentation sont disposés sur une surface non électroluminescente du logement en forme de boîte (12). Un écran externe transparent ou semi-transparent (16) est disposé à l'extérieur de la surface d'émission de lumière (19) du logement en forme de boîte (12). Un dispositif de commande (17) comprenant de multiples unités de commande est disposé à l'intérieur du logement en forme de boîte (12). Les multiples unités de commande comprennent : une unité de commande qui détecte un objet mobile au moyen d'une transmission de micro-ondes et qui commande la marche/l'arrêt de l'éclairage ; une unité de commande qui éteint l'éclairage après une durée établie après laquelle aucun objet mobile n'est détecté ; une unité de commande qui mesure l'intensité d'éclairement d'un environnement ambiant et qui commande la marche/l'arrêt de l'éclairage ; une unité de commande qui commande un pourcentage d'intensité d'éclairement. Un dispositif de transmission de micro-ondes de l'unité de commande, qui détecte un objet mobile au moyen d'une transmission de micro-ondes et qui commande la marche/l'arrêt de l'éclairage, est disposé au niveau de la surface électroluminescente (19) du logement en forme de boîte (12).
PCT/CN2018/077738 2017-03-01 2018-03-01 Appareil d'éclairage WO2018157837A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/543,837 US10757788B2 (en) 2017-03-01 2019-08-19 Illuminating lamp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201720193200.2 2017-03-01
CN201720193200.2U CN206771069U (zh) 2017-03-01 2017-03-01 照明灯具

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/081693 Continuation WO2018184517A1 (fr) 2017-03-01 2018-04-03 Appareil d'éclairage

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US16/543,837 Continuation US10757788B2 (en) 2017-03-01 2019-08-19 Illuminating lamp

Publications (1)

Publication Number Publication Date
WO2018157837A1 true WO2018157837A1 (fr) 2018-09-07

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ID=60632213

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/077738 WO2018157837A1 (fr) 2017-03-01 2018-03-01 Appareil d'éclairage

Country Status (2)

Country Link
CN (1) CN206771069U (fr)
WO (1) WO2018157837A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10757788B2 (en) 2017-03-01 2020-08-25 Yuhua Wang Illuminating lamp
CN206771069U (zh) * 2017-03-01 2017-12-19 汪玉华 照明灯具
CN206770998U (zh) * 2017-04-06 2017-12-19 汪玉华 照明灯具

Citations (10)

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Publication number Priority date Publication date Assignee Title
CN202696973U (zh) * 2012-06-30 2013-01-23 程丽卿 一种led庭院灯
CN103471027A (zh) * 2013-09-25 2013-12-25 黄诵卫 可调色温的led光源组件
CN204042796U (zh) * 2014-09-11 2014-12-24 嘉兴科奥光电科技有限公司 一种节能微波感应灯
CN204629280U (zh) * 2015-06-03 2015-09-09 山西森浦照明科技有限公司 一种微波智能控制led吸顶灯
CN204859722U (zh) * 2015-08-26 2015-12-09 宁波永和电子有限公司 一种微波感应调光的led驱动器
GB2530298A (en) * 2014-09-18 2016-03-23 Indo Lighting Ltd Light sensor
CN205174090U (zh) * 2015-11-12 2016-04-20 嘉兴市睿昱智能科技有限公司 一种led智能台灯
CN205830108U (zh) * 2016-07-20 2016-12-21 李晨林 一种自动感应的led灯控制系统
CN206771069U (zh) * 2017-03-01 2017-12-19 汪玉华 照明灯具
CN206770998U (zh) * 2017-04-06 2017-12-19 汪玉华 照明灯具

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202696973U (zh) * 2012-06-30 2013-01-23 程丽卿 一种led庭院灯
CN103471027A (zh) * 2013-09-25 2013-12-25 黄诵卫 可调色温的led光源组件
CN204042796U (zh) * 2014-09-11 2014-12-24 嘉兴科奥光电科技有限公司 一种节能微波感应灯
GB2530298A (en) * 2014-09-18 2016-03-23 Indo Lighting Ltd Light sensor
CN204629280U (zh) * 2015-06-03 2015-09-09 山西森浦照明科技有限公司 一种微波智能控制led吸顶灯
CN204859722U (zh) * 2015-08-26 2015-12-09 宁波永和电子有限公司 一种微波感应调光的led驱动器
CN205174090U (zh) * 2015-11-12 2016-04-20 嘉兴市睿昱智能科技有限公司 一种led智能台灯
CN205830108U (zh) * 2016-07-20 2016-12-21 李晨林 一种自动感应的led灯控制系统
CN206771069U (zh) * 2017-03-01 2017-12-19 汪玉华 照明灯具
CN206770998U (zh) * 2017-04-06 2017-12-19 汪玉华 照明灯具

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