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WO2012041752A1 - A luminaire system and controlling method thereof - Google Patents

A luminaire system and controlling method thereof Download PDF

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Publication number
WO2012041752A1
WO2012041752A1 PCT/EP2011/066440 EP2011066440W WO2012041752A1 WO 2012041752 A1 WO2012041752 A1 WO 2012041752A1 EP 2011066440 W EP2011066440 W EP 2011066440W WO 2012041752 A1 WO2012041752 A1 WO 2012041752A1
Authority
WO
WIPO (PCT)
Prior art keywords
luminaire system
opening
housing
cover panels
data
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.)
Ceased
Application number
PCT/EP2011/066440
Other languages
French (fr)
Inventor
Hao Li
You CHEN
Yangang Cheng
Shang Ping Xiao
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.)
Osram GmbH
Original Assignee
Osram GmbH
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 Osram GmbH filed Critical Osram GmbH
Priority to EP11767206.3A priority Critical patent/EP2622264A1/en
Publication of WO2012041752A1 publication Critical patent/WO2012041752A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
    • F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
    • F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
    • F21S9/037—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light the solar unit and the lighting unit being located within or on the same housing
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • 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
    • F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/02—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type
    • F21V11/04—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type adjustable
    • 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
    • F21V23/0435—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by remote control means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • 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
    • Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Definitions

  • the present invention relates to a luminaire system and a controlling method thereof.
  • the designer When designing the outdoor luminaire system, the designer usually should consider different function areas, for instance, the thermal management design, electrical design or mechanical design.
  • the thermal management design there are two existing solutions for high power LED outdoor luminaire system: one solution is taking the external heat sinks as the housing of the LED outdoor luminaire system.
  • the heat dissipation performance of this solution is good but the industrial design/outline design is limited, and cannot meet the requirements to the outline of the outdoor luminaire device of the modern city; moreover, due to the limitation to the structure, it is quite hard to maintain such type of LED outdoor luminaire system; and the other solution in the existing technology is disposing an independent housing for the LED outdoor luminaire system and arranging internal heat sinks within the housing.
  • the LED outdoor luminaire system of this type is pleasing, its external housing limits the convection of the internal heat sinks, which thus decreases the heat dissipation performance of the LED outdoor luminaire system of this type.
  • the luminaire efficacy is also an important parameter of the LED outdoor luminaire system.
  • the luminaire system should meet the so-called "Energy Star” standard, i.e. the efficacy of the luminaire system should be above 70 Im/W from September 30 , 201 1 .
  • the efficiency of the current power supply is low, some manufacturers start to use some other means to collect to the external energies, such as solar energy, wind energy, etc. for decreasing the energy costs of the whole luminaire system.
  • the manufactures usually design some holes or some bulge structures on the top of the housing of the luminaire system to achieve good convection effect with the external air for heat dissipation.
  • the whole outdoor luminaire system necessarily will be destroyed.
  • the rainwater will also get into the interior of the luminaire system through the holes and cannot be timely discharged from the interior of the luminaire system, thus, the electrical components in the luminaire system will be destroyed.
  • the objective of the present invention is to provide a luminaire system which is capable of automatically opening and closing the opening of the housing depending upon the external environment so as to be well adapted to the different weather conditions and obtain optimal convection effect.
  • the luminaire system comprises a housing and light emitting modules disposed in the housing, wherein, the housing has an opening at one side opposite to the light emitting side of the light emitting modules, and the luminaire system further comprises at least one rotatable cover panel and a controlling unit configured to control the cover panels.
  • the controlling unit controls the cover panels to close or open the opening of the housing.
  • the controlling unit can close the opening of the housing so that the housing is changed into a simple and compact structure, and since there is no projecting stress surface on the surface of the housing, the strong wind will not damage the luminaire device.
  • the cover panels close the opening of the housing, there will not much rainwater getting into the internal of the housing in the case of rainstorm, such that the circuits of the luminaire system within the housing are protected and the failure of short circuit is prevented.
  • the controlling unit comprises a central controlling module and a driving module.
  • the central controlling module controls the driving module to rotate the cover panels so as to close or open the opening.
  • the luminaire system has a compact structure by integrating the controlling unit therein, and the opening and closing of the opening of the housing of the luminaire system are simply controlled.
  • the controlling unit further comprises a weather sensor configured to send the data about the current weather condition to the central controlling module.
  • the central controlling module controls the driving module to rotate the cover panels so as to open or close the opening.
  • the weather sensor monitors the current wind speed and/or rainfall in real-time.
  • the controlling unit further comprises a signal receiver configured to receive the external data and to send the same to the central controlling module.
  • the central controlling module controls the driving module to rotate the cover panels so as to open or close the opening.
  • the external data comes from a central station remotely controlling the luminaire system. With the data sent from the central station for opening and closing the opening of the housing of the luminaire system, the luminaire system is remotely controlled.
  • the pivots of the cover panels are disposed in parallel with each other between the two edges of the housing defining the opening, wherein, the pivot is disposed in the middle of corresponding cover panel.
  • the cover panels together construct a window-blind type structure for covering the opening of the housing, and each cover panel is rotatable around its pivot to open or close the opening of the housing.
  • the driving module comprises a linear motor and a framework connected with a driving shaft of the linear motor.
  • the framework extends along two edges of the opening.
  • the free edges of each cover panel are connected to the framework by the connecting rods, so that the cover panels are driven by the linear movement of the framework to rotate around respective pivots.
  • each cover panel is disposed with a solar panel thereon for supplying electrical energy to the light emitting module, therefore, the supply load of the power network could be reduced. Moreover, the energy costs of the whole luminaire system are decreased.
  • the energy generated by the solar panel could be supplied to a power network and/or stored in an energy storage unit, such as a battery which integrated in the luminaire system and or be provided for any of the function of the luminaire system itself.
  • the solar panel is integrated on the cover panel, the additional fixture is not required.
  • Such mounting mode allows the solar panel and the housing to construct a compact, streamline configuration when the cover panels close the opening of the housing, thereby, the luminaire system will not be damaged even if there is a strong wind.
  • the other objective of the present invention is to provide a method for controlling a luminaire system of the above type.
  • the method includes the following steps: a) a central controlling module receives data; and b) the central controlling module, according to the data, controls the driving unit to rotate the cover panels so as to close or open the opening of the housing accommodating the light emitting modules.
  • the data is the data about the current weather condition provided by the weather sensor.
  • the weather sensor monitors the current wind speed and/or rainfall in real-time.
  • the data is the data received by a signal receiver from the external.
  • the external data comes from a central station remotely controlling the luminaire system. With the data sent from the central station for opening and closing the opening of the housing of the luminaire system, the luminaire system is remotely controlled.
  • Figure 1 is a scheme of the luminaire system without the housing according to the present invention
  • Figure 2 is a scheme that the opening of the housing is opened according to the luminaire system of the present invention
  • Figure 3 is a scheme of the luminaire system with the closed cover panels according to the present invention.
  • FIG 1 is a scheme of the luminaire system without the housing according to the present invention.
  • the housing 1 is removed from Figure 1.
  • the luminaire system comprises the light emitting modules 2, a plurality of cover panels 4 disposed over the light emitting modules 2, such as LED modules, and a controlling unit 5.
  • the pivots of respective cover panels 4 are disposed in parallel with each other between the two edges of the opening 3 (not shown) defining the housing 1 , wherein, each pivot is disposed in the middle of its corresponding cover panel 4.
  • the controlling unit 5 has a central controlling module 6, a driving module 7 and a weather sensor 8 or a signal receiver 9.
  • a driving shaft 1 1 of a linear motor 10 of the driving module 7 is connected with a framework 12.
  • the framework 12 extends along two edges of the opening 3.
  • the free edges of each cover panel 4 are connected to the framework 12 by connecting rods 13, so that the linear movement of the framework 12 drives the cover panels 4 to rotate around respective pivots.
  • each cover panel4 is disposed with a solar panel 14 thereon for supplying electrical energy to the light emitting modules 2.
  • FIG. 2 is a scheme of the luminaire system with the closed cover panels according to the present invention. From the figure it can be seen that the cover panels 4 are disposed in the opening 3 (not shown) of the housing 1 . In the good weather condition, each cover panel 4 is rotated around its pivot under the control of the control unit 5, and the opening 3 is opened to make the luminaire system perform air convection so as to obtain good heat dissipation effect.
  • Figure 3 is a scheme that the opening 3 of the housing 1 is closed by the cover panels 4 according to the luminaire system of the present invention. From the figure it can be seen that the cover panels 4 disposed in the opening 3 of the housing 1 completely close the opening 3. In the bad weather condition, the cover panels 4 completely close the opening 3 so as to construct a compact, streamline close structure with the housing. Therefore, the strong wind will not damage the luminaire device, and most of the rainwater is blocked outside of the housing 1 , so to avoid the failure of short circuit of the electrical components within the luminaire system.
  • the weather sensor 8 monitors the current weather condition, such as wind speed and/or rainfall, in real-time.
  • the central controlling module 6 receives the data about the current weather condition and controls the driving unit 7, according to the data, to rotate the cover panels 4 so as to close or open the opening 3 of the housing 1 accommodating the light emitting modules 2.
  • the central controlling module 6 receives the data from the exterior, for instance, from the central station for remote control, by the signal receiver 9, and controls the driving unit 7, according to the data, to rotate the cover panels 4 so as to close or open the opening 3 of the housing 1 accommodating the light emitting modules 2.
  • LED module light emitting module

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The present invention relates to a luminaire system, comprising a housing (1) and light emitting modules (2) disposed in the housing (1), wherein, the housing (1) has an opening (3) at one side opposite to the light emitting side of the light emitting modules (2), and the luminaire system further comprises at least one cover panel (4) and a controlling unit (5) configured to control the cover panels (4), the controlling unit (5) controls the cover panels (4) to close or open the opening (3). The luminaire system according to the present invention is capable of automatically opening and closing the opening of the housing depending upon the external environment so as to be well adapted to the different weather conditions and obtain optimal convection effect. Further, the present invention relates to a method for controlling a luminaire system of the above type.

Description

Description
A Luminaire System and Controlling Method thereof
Technical Field
The present invention relates to a luminaire system and a controlling method thereof.
Background Art At present, the LED outdoor luminaire system has been greatly developed, while some issues become the limitations to the development of the LED outdoor luminaire system, including thermal management, luminaire efficacy and weather condition. The designer always has to face all these issues and finds the suitable solution for them. But actually there are few effective solutions in the existing technology.
When designing the outdoor luminaire system, the designer usually should consider different function areas, for instance, the thermal management design, electrical design or mechanical design. When the designer focuses on the thermal management design, there are two existing solutions for high power LED outdoor luminaire system: one solution is taking the external heat sinks as the housing of the LED outdoor luminaire system. The heat dissipation performance of this solution is good but the industrial design/outline design is limited, and cannot meet the requirements to the outline of the outdoor luminaire device of the modern city; moreover, due to the limitation to the structure, it is quite hard to maintain such type of LED outdoor luminaire system; and the other solution in the existing technology is disposing an independent housing for the LED outdoor luminaire system and arranging internal heat sinks within the housing. Though the LED outdoor luminaire system of this type is pleasing, its external housing limits the convection of the internal heat sinks, which thus decreases the heat dissipation performance of the LED outdoor luminaire system of this type.
In addition, the luminaire efficacy is also an important parameter of the LED outdoor luminaire system. For example, the luminaire system should meet the so-called "Energy Star" standard, i.e. the efficacy of the luminaire system should be above 70 Im/W from September 30 , 201 1 . As the efficiency of the current power supply is low, some manufacturers start to use some other means to collect to the external energies, such as solar energy, wind energy, etc. for decreasing the energy costs of the whole luminaire system. However, some additional fixtures are always required in order to collect the solar energy or wind energy, for instance, means for fixing the solar panel or wind motor, but these means usually have big stress surfaces and will be destroyed to some extent when there is a strong wind or rainstorm, and are not good at resisting the bad climatic conditions.
Furthermore, in order to improve the heat dissipation performance of the LED outdoor luminaire system, the manufactures usually design some holes or some bulge structures on the top of the housing of the luminaire system to achieve good convection effect with the external air for heat dissipation. However, when there is a strong wind and rainstorm, for instance, in the case of typhoon, due to structure characteristics of the holes and the bulge structures, the whole outdoor luminaire system necessarily will be destroyed. Moreover, the rainwater will also get into the interior of the luminaire system through the holes and cannot be timely discharged from the interior of the luminaire system, thus, the electrical components in the luminaire system will be destroyed.
Summary of the Invention Therefore, the objective of the present invention is to provide a luminaire system which is capable of automatically opening and closing the opening of the housing depending upon the external environment so as to be well adapted to the different weather conditions and obtain optimal convection effect.
The objective is accomplished by the luminaire system of the present invention in the way as follow: the luminaire system comprises a housing and light emitting modules disposed in the housing, wherein, the housing has an opening at one side opposite to the light emitting side of the light emitting modules, and the luminaire system further comprises at least one rotatable cover panel and a controlling unit configured to control the cover panels. The controlling unit controls the cover panels to close or open the opening of the housing. In the case of bad weather condition, such as strong wind or rainstorm, the controlling unit can close the opening of the housing so that the housing is changed into a simple and compact structure, and since there is no projecting stress surface on the surface of the housing, the strong wind will not damage the luminaire device. Moreover, since the cover panels close the opening of the housing, there will not much rainwater getting into the internal of the housing in the case of rainstorm, such that the circuits of the luminaire system within the housing are protected and the failure of short circuit is prevented.
In a preferred solution of the present invention, the controlling unit comprises a central controlling module and a driving module. The central controlling module controls the driving module to rotate the cover panels so as to close or open the opening. Thereby, the luminaire system has a compact structure by integrating the controlling unit therein, and the opening and closing of the opening of the housing of the luminaire system are simply controlled. Preferably, the controlling unit further comprises a weather sensor configured to send the data about the current weather condition to the central controlling module. The central controlling module, according to the data, controls the driving module to rotate the cover panels so as to open or close the opening. By such method, the weather condition of the environment where the luminaire system is located can be automatically sensed so as to realize the automatic control to the opening and closing of the opening of the housing of the luminaire system.
Further preferably, the weather sensor monitors the current wind speed and/or rainfall in real-time.
It is provided according to another solution of the present invention that the controlling unit further comprises a signal receiver configured to receive the external data and to send the same to the central controlling module. The central controlling module, according to the data, controls the driving module to rotate the cover panels so as to open or close the opening. The external data comes from a central station remotely controlling the luminaire system. With the data sent from the central station for opening and closing the opening of the housing of the luminaire system, the luminaire system is remotely controlled.
According to a preferred solution of the present invention, the pivots of the cover panels are disposed in parallel with each other between the two edges of the housing defining the opening, wherein, the pivot is disposed in the middle of corresponding cover panel. Thereby, the cover panels together construct a window-blind type structure for covering the opening of the housing, and each cover panel is rotatable around its pivot to open or close the opening of the housing. Preferably, the driving module comprises a linear motor and a framework connected with a driving shaft of the linear motor. The framework extends along two edges of the opening. The free edges of each cover panel are connected to the framework by the connecting rods, so that the cover panels are driven by the linear movement of the framework to rotate around respective pivots. The simple telescopic movement of the driving shaft of the linear motor drives the framework to mover together, then, the framework drives the connecting rod to pull respective cover panels to rotate around respective pivots, therefore, synchronous rotation of the cover panels is realized in a simple manner to open and close the opening of the housing.
According to a preferred solution of the present invention, each cover panel is disposed with a solar panel thereon for supplying electrical energy to the light emitting module, therefore, the supply load of the power network could be reduced. Moreover, the energy costs of the whole luminaire system are decreased. Preferably, the energy generated by the solar panel could be supplied to a power network and/or stored in an energy storage unit, such as a battery which integrated in the luminaire system and or be provided for any of the function of the luminaire system itself. In addition, since the solar panel is integrated on the cover panel, the additional fixture is not required. Such mounting mode allows the solar panel and the housing to construct a compact, streamline configuration when the cover panels close the opening of the housing, thereby, the luminaire system will not be damaged even if there is a strong wind.
The other objective of the present invention is to provide a method for controlling a luminaire system of the above type. The method includes the following steps: a) a central controlling module receives data; and b) the central controlling module, according to the data, controls the driving unit to rotate the cover panels so as to close or open the opening of the housing accommodating the light emitting modules.
According to a preferred solution of the present invention, in step a) the data is the data about the current weather condition provided by the weather sensor. By such method, the weather condition of the environment where the luminaire system is located can be automatically sensed so as to realize the automatic control to the opening and closing of the opening of the housing of the luminaire system.
Further preferably, the weather sensor monitors the current wind speed and/or rainfall in real-time.
It is provided according to another preferred solution of the present invention that in step a), the data is the data received by a signal receiver from the external. The external data comes from a central station remotely controlling the luminaire system. With the data sent from the central station for opening and closing the opening of the housing of the luminaire system, the luminaire system is remotely controlled.
It should be understood that the general descriptions above and the detailed descriptions below are illustrative, and aim at providing further understanding to the claimed invention. Brief Description of the Drawings
The drawings constitute a portion of the Description for further understanding of the present invention. These drawings illustrate the embodiments of the present invention and explain the principle of the present invention together with the Description. In the drawings, the same element is represented by the same reference sign, wherein
Figure 1 is a scheme of the luminaire system without the housing according to the present invention;
Figure 2 is a scheme that the opening of the housing is opened according to the luminaire system of the present invention; and Figure 3 is a scheme of the luminaire system with the closed cover panels according to the present invention.
Detailed Description of the Embodiments
Figure 1 is a scheme of the luminaire system without the housing according to the present invention. In order to see the internal structures of the luminaire system of the present invention more clearly, the housing 1 is removed from Figure 1. From Figure 1 it can be seen that the luminaire system comprises the light emitting modules 2, a plurality of cover panels 4 disposed over the light emitting modules 2, such as LED modules, and a controlling unit 5. The pivots of respective cover panels 4 are disposed in parallel with each other between the two edges of the opening 3 (not shown) defining the housing 1 , wherein, each pivot is disposed in the middle of its corresponding cover panel 4.
The controlling unit 5 has a central controlling module 6, a driving module 7 and a weather sensor 8 or a signal receiver 9. A driving shaft 1 1 of a linear motor 10 of the driving module 7 is connected with a framework 12. The framework 12 extends along two edges of the opening 3. The free edges of each cover panel 4 are connected to the framework 12 by connecting rods 13, so that the linear movement of the framework 12 drives the cover panels 4 to rotate around respective pivots. In addition, from Figure 1 it can be seen that each cover panel4 is disposed with a solar panel 14 thereon for supplying electrical energy to the light emitting modules 2.
Figure 2 is a scheme of the luminaire system with the closed cover panels according to the present invention. From the figure it can be seen that the cover panels 4 are disposed in the opening 3 (not shown) of the housing 1 . In the good weather condition, each cover panel 4 is rotated around its pivot under the control of the control unit 5, and the opening 3 is opened to make the luminaire system perform air convection so as to obtain good heat dissipation effect.
Figure 3 is a scheme that the opening 3 of the housing 1 is closed by the cover panels 4 according to the luminaire system of the present invention. From the figure it can be seen that the cover panels 4 disposed in the opening 3 of the housing 1 completely close the opening 3. In the bad weather condition, the cover panels 4 completely close the opening 3 so as to construct a compact, streamline close structure with the housing. Therefore, the strong wind will not damage the luminaire device, and most of the rainwater is blocked outside of the housing 1 , so to avoid the failure of short circuit of the electrical components within the luminaire system.
Next, a method for controlling the luminaire device according to the present invention will be described. In cases where the weather sensor 8 is disposed in the luminaire device, the weather sensor 8 monitors the current weather condition, such as wind speed and/or rainfall, in real-time. The central controlling module 6 receives the data about the current weather condition and controls the driving unit 7, according to the data, to rotate the cover panels 4 so as to close or open the opening 3 of the housing 1 accommodating the light emitting modules 2. In cases where the signal receiver 9 is disposed in the luminaire device, the central controlling module 6 receives the data from the exterior, for instance, from the central station for remote control, by the signal receiver 9, and controls the driving unit 7, according to the data, to rotate the cover panels 4 so as to close or open the opening 3 of the housing 1 accommodating the light emitting modules 2.
The above is merely preferred embodiments of the present invention but not to limit the present invention. For the person skilled in the art, the present invention may have various alterations and changes. Any alterations, equivalent substitutions, improvements, within the spirit and principle of the present invention, should be covered in the protection scope of the present invention.
Reference signs
1 housing
2 light emitting module (LED module)
3 opening
4 cover panel
5 controlling unit
6 central controlling module
7 driving module
8 weather sensor
9 signal receiver
10 linear motor
driving shaft
12 framework
13 connecting rod
14 solar panel

Claims

Claims:
1 . A luminaire system, comprising a housing (1 ) and light emitting modules (2) disposed in the housing (1 ), characterized in that, the housing (1 ) has an opening (3) at one side opposite to a light emitting side of the light emitting modules (2), and the luminaire system further comprises at least one cover panel (4) and a controlling unit (5) configured to control the cover panels (4), and the controlling unit (5) controls the cover panels (4) to close or open the opening (3).
2. The luminaire system according to claim 1 , characterized in that the at least one cover panel is rotatable.
3. The luminaire system according to Claim 2, characterized in that the controlling unit (5) comprises a central controlling module (6) and a driving module (7), the central controlling module (6) controls the driving module (7) to rotate the cover panels (4) so as to close or open the opening (3).
4. The luminaire system according to Claim 3, characterized in that the controlling unit (5) further comprises a weather sensor (8) configured to send data about current weather condition to the central controlling module (6), the central controlling module (6), according to the data, controls the driving module (7) to rotate the cover panels (4) so as to open or close the opening (3).
5. The luminaire system according to Claim 4, characterized in that the weather sensor (8) monitors current wind speed and/or rainfall in real-time.
6. The luminaire system according to Claim 3, characterized in that the controlling unit (5) further comprises a signal receiver (9) configured to receive external data and to send the same to the central controlling module (6), the central controlling module (6), according to the data, controls the driving module (7) to rotate the cover panels (4) so as to open or close the opening (3).
7. The luminaire system according to any one of Claims 1 to 6, characterized in that pivots of respective cover panels (4) are disposed in parallel with each other between two edges of the housing (1 ) defining the opening (3), wherein, each of the pivots is disposed in middle of corresponding cover panel (4).
8. The luminaire system according to Claim 7, characterized in that the driving module (7) comprises a linear motor (10) and a framework (12) connected with a driving shaft (11 ) of the linear motor (10), the framework (12) extends along the two edges of the opening (3), free edges of each of the cover panels (4) are connected to the framework (12) by connecting rods (13), so that the cover panels (4) are driven by a linear movement of the framework (12) to rotate around the pivots.
9. The luminaire system according to any one of Claims 1 to 6, characterized in that each of the cover panels (4) is disposed with a solar panel (14) thereon for supplying electrical energy to the light emitting modules (2).
10. A method for controlling a luminaire system, characterized by including following steps: a) a central controlling module (6) receives data; and
b) the central controlling module (6), according to the data, controls a driving unit (7) to rotate cover panels (4) so as to close or open an opening (3) of a housing (1 ) accommodating light emitting modules (2).
11 . The method according to Claim 10, characterized in that in step a), the data is data about current weather condition provided by a weather sensor (8).
12. The method according to Claim 11 , characterized in that the current weather condition includes wind speed and/or rainfall.
13. The method according to Claim 10, characterized in that in step a), the data is data received by a signal receiver (9) from external.
PCT/EP2011/066440 2010-09-30 2011-09-21 A luminaire system and controlling method thereof Ceased WO2012041752A1 (en)

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EP11767206.3A EP2622264A1 (en) 2010-09-30 2011-09-21 A luminaire system and controlling method thereof

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CN201010514749.X 2010-09-30
CN201010514749XA CN102444855A (en) 2010-09-30 2010-09-30 Lighting system and control method thereof

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CN109166475B (en) * 2018-09-17 2021-04-13 北海华源电子有限公司 Solar outdoor liquid crystal display device
CN109166476B (en) * 2018-09-17 2021-04-13 北海华源电子有限公司 Solar outdoor liquid crystal display device capable of being adjusted at multiple angles

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EP2622264A1 (en) 2013-08-07

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