CN108019707A - The LED light device of adjust automatically heat dissipation performance - Google Patents
The LED light device of adjust automatically heat dissipation performance Download PDFInfo
- Publication number
- CN108019707A CN108019707A CN201711280231.2A CN201711280231A CN108019707A CN 108019707 A CN108019707 A CN 108019707A CN 201711280231 A CN201711280231 A CN 201711280231A CN 108019707 A CN108019707 A CN 108019707A
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- China
- Prior art keywords
- light
- radiator
- illumination
- heat dissipation
- led light
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S10/00—Lighting devices or systems producing a varying lighting effect
- F21S10/02—Lighting devices or systems producing a varying lighting effect changing colors
- F21S10/023—Lighting devices or systems producing a varying lighting effect changing colors by selectively switching fixed light sources
-
- 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
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
-
- 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
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- 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
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a kind of LED light device of adjust automatically heat dissipation performance, for forming the lighting environment with optimal eyeshield, it includes ambient light illumination sensor, illuminator, radiator and controller, wherein, illuminator includes the first light source and secondary light source, radiator has different operating modes and different heat-sinking capabilities, controller includes dimming section, storage part, judging part and enforcement division, dimming section is used for the colour temperature for adjusting the irradiation light of LED light device, storage part has the light modulation toning curve of the brightness adjustment control mode for regulation dimming section, judging part is used to judge whether the luminous efficiency of illuminator is less than setting value, enforcement division is used for the operating mode for selecting radiator.The present invention can automatically adjust the illumination and colour temperature of the irradiation light of LED light device, form the lighting environment with optimal eyeshield, and can automatically regulate thermal diffusivity according to lighting parameter, extend the service life of LED light device.
Description
Technical field
The invention belongs to LED field, more particularly to a kind of LED light device of adjust automatically heat dissipation performance.
Background technology
The LED that highlight illumination is carried out with low electric power is increasingly used on vehicle, single by being carried out to multiple LED
Control solely is lighted, the light distribution and illumination of irradiation light can be adjusted.A variety of lighting devices exist in the prior art can be to light
The output ratio in source is controlled, and the illumination and colour temperature of irradiation light can be adjusted.Although this LED light device can be certainly
Dynamic ground intelligently adjusts irradiation light, but its radiator does not accomplish matching automation or intelligence but.
The content of the invention
To solve the above problems, the present invention provides a kind of LED light device of adjust automatically heat dissipation performance, for being formed
Lighting environment with optimal eyeshield, the LED light device include ambient light illumination sensor, it can be according to ambient light illumination
Adjust the illumination of irradiation light；Illuminator, radiator and controller are further included, wherein,
Illuminator includes the first light source and secondary light source, and the first light source is the white light of 4500~5500K of injection colour temperature
White LED, secondary light source are the blue led for projecting blue light；
Radiator has multiple heat dissipation helix tubes being vertically arranged with illuminator, and the heat dissipation helix tube is to use heat conduction
Flexible conveyor screw made of the good foil of property, its one end are fixedly connected with illuminator, and the other end is consolidated with driving mechanism
Fixed connection, controller control driving mechanism elongate helix tube, so that heat dissipation helically coiled is into for the multiple of air circulation
Thus gap, radiator have different operating modes and different heat-sinking capabilities；
Controller includes dimming section, storage part, judging part and enforcement division, and dimming section is used for the first light source and secondary light source
Output ratio be adjusted, so as to adjust the colour temperature of the irradiation light of LED light device；Storage part has for regulation dimming section
The light modulation toning curve of brightness adjustment control mode, light modulation toning curve include characterizing the illumination under various colour temperatures and the relation of eyeshield
The first curve, and characterization colour temperature and luminous efficiency relation the second curve；Judging part is used for according to light modulation toning curve
Judge whether the luminous efficiency of the illuminator under current lighting environment is less than setting value；Enforcement division is used for the judgement according to judging part
As a result, the operating mode of selection radiator；
During the LED light device work, first, the illumination that LED light device adjusts irradiation light according to ambient light illumination is
First illumination；Then, storage part marks in the first curve using the first illumination as abscissa, using optimal eyeshield value as ordinate
Intersection point, and compare and find out that colour temperature line nearest from the intersection point；Then, dimming section adjusts first with the color temperature value of the colour temperature line
The output of light source and secondary light source is than being the first colour temperature so as to adjust the colour temperature of irradiation light；Finally, judging part is according to the second curve
Judge the luminous efficiency of the LED corresponding to the first colour temperature and the magnitude relationship of setting value, set if luminous efficiency is greater than or equal to
Definite value, then enforcement division control radiator is with normal mode operation, and in the normal mode, heat dissipation helix tube is not elongated, and makes to dissipate
Thermal has less volume while heat dissipation performance is met；If luminous efficiency at this time is less than setting value, mean
The thermal energy that more electric energy are converted into beyond luminous energy, enforcement division control radiator is worked with high load capacity pattern at this time,
Under high load capacity pattern, heat dissipation helix tube is elongated, and increases air circulation to strengthen the heat dissipation performance of radiator.
Preferably, the LED light device is in-car reading lamp.
Preferably, the setting value is 85%.
The present invention can automatically adjust the illumination and colour temperature of irradiation light, form the lighting environment with optimal eyeshield, and
And thermal diffusivity can be automatically regulated according to lighting parameter, extend the service life of LED light device.
Brief description of the drawings
Fig. 1 shows the structure diagram of the application；
Fig. 2 shows the schematic diagram of the radiator of the application；
Fig. 3 shows the first curve of the application；
Fig. 4 shows the second curve of the application.
Embodiment
With reference to the accompanying drawings, the function that the structure of the system is described in detail and is realized.
As shown in Figure 1, the LED light device of adjust automatically heat dissipation performance, including ambient light illumination sensor 1, illuminator 2,
Radiator 3 and controller 4, illuminator 2 include the first light source 2-1 and secondary light source 2-2, the first light source 2-1 to project colour temperature
The White LED of the white light of 4500~5500K, secondary light source 2-2 are the blue led for projecting blue light；
As shown in Fig. 2, radiator 3 has multiple heat dissipation helix tubes being vertically arranged with illuminator 2, the heat dissipation spiral shell
Coil is that flexible conveyor screw 3-1, its one end are fixedly connected with illuminator 2 made of the good foil of thermal conductivity, separately
One end is fixedly connected with driving mechanism (not shown), and controller 4 controls driving mechanism to elongate helix tube, so that heat dissipation is spiral
Pipe forms multiple gap 3-2 for air circulation, thus radiator 3 has different operating modes and different heat radiation energies
Power；
Controller 4 includes dimming section 4-1, storage part 4-2, judging part 4-3 and enforcement division 4-4, and dimming section 4-1 is used for the
The output ratio of one light source 2-1 and secondary light source 2-2 is adjusted, so as to adjust the colour temperature of the irradiation light of LED light device；Storage
Portion 4-2 has the light modulation toning curve for the brightness adjustment control mode of regulation dimming section 4-1, and light modulation toning curve includes characterization respectively
First curve of illumination and the relation of eyeshield under kind colour temperature, and the second of the relation of characterization colour temperature and luminous efficiency are bent
Line；Judging part 4-3 is used to judge whether the luminous efficiency of the illuminator 2 under current lighting environment is less than according to light modulation toning curve
Setting value；Enforcement division 4-4 is used for the judging result according to judging part 4-3, selects the operating mode of radiator 3；
With reference to Fig. 3 and Fig. 4, example goes out the operation principle of the LED light device：
First, LED light device is the first illumination according to the illumination that ambient light illumination adjusts irradiation light, is, for example, 750lx；So
Afterwards, storage part marks intersection point using 750lx as abscissa, using optimal eyeshield value in the first curve as ordinate, from the intersection point
Nearest is the colour temperature line of 6000K；Then, dimming section adjusts the output of the first light source and secondary light source with the color temperature value of 6000K
Than being 6000K so as to adjust the colour temperature of irradiation light；Finally, the hair of LED of the judging part according to corresponding to the second curve judges 6000K
The magnitude relationship of light efficiency and setting value, if luminous efficiency is greater than or equal to setting value, enforcement division control radiator with
Normal mode operation, in the normal mode, heat dissipation helix tube are not elongated, and radiator is had while heat dissipation performance is met
There is less volume；If luminous efficiency at this time is less than setting value, mean there are more electric energy to be converted into beyond luminous energy
Thermal energy, at this time enforcement division control radiator with high load capacity pattern work, under high load capacity pattern, heat dissipation helix tube drawn
It is long, utilize the heat dissipation performance of air circulation enhancing radiator.
One skilled in the art would recognize that without departing substantially from as the spirit and scope of the invention described in general manner,
Various changes and/or modification can be carried out to the invention shown in each specific embodiment.Therefore, in terms of all
For, embodiment here is considered as illustrative and and non-limiting.Equally, the present invention includes any feature
Combination, the combination of any feature especially in Patent right requirement, even if the combination of this feature or feature is not in patent
It is explicitely stated in claim or each embodiment here.
Claims (4)
1. a kind of LED light device, it is characterised in that including ambient light illumination sensor, it can be adjusted according to ambient light illumination shines
Penetrate the illumination of light；Further include illuminator, radiator and controller.
2. a kind of LED light device of adjust automatically heat dissipation performance, for forming the lighting environment with optimal eyeshield, it is special
Sign is, including ambient light illumination sensor, and the LED light device adjusts the illumination of irradiation light according to ambient light illumination, further includes
Illuminator, radiator and controller, wherein,
Illuminator includes the first light source and secondary light source, and the first light source is the white for the white light for projecting 4500~5500K of colour temperature
LED, secondary light source are the blue led for projecting blue light；
Radiator has multiple heat dissipation helix tubes being vertically arranged with illuminator, and the heat dissipation helix tube is good with thermal conductivity
Foil made of flexible conveyor screw, its one end is fixedly connected with illuminator, and the other end is fixed with driving mechanism to be connected
Connect, controller control driving mechanism elongates conveyor screw, so that heat dissipation helically coiled is dissipated into multiple gaps for air circulation
Thus thermal has different operating modes and different heat-sinking capabilities；
Controller includes dimming section, storage part, judging part and enforcement division, and dimming section is used for the defeated of the first light source and secondary light source
Go out than being adjusted, so as to adjust the colour temperature of the irradiation light of LED light device；Storage part has the light modulation for regulation dimming section
The light modulation toning curve of control mode, light modulation toning curve include characterizing the of illumination under various colour temperatures and the relation of eyeshield
One curve, and the second curve of the relation of characterization colour temperature and luminous efficiency；Judging part is used to be judged according to light modulation toning curve
Whether the luminous efficiency of the illuminator under current lighting environment is less than setting value；Enforcement division is used for the judgement knot according to judging part
Fruit, selects the operating mode of radiator；
During the LED light device work, first, LED light device is first according to the illumination that ambient light illumination adjusts irradiation light
Illumination；Then, storage part marks friendship using the first illumination as abscissa, using optimal eyeshield value in the first curve as ordinate
Point, and find out that colour temperature line nearest from the intersection point；Then, dimming section with the color temperature value of the colour temperature line adjust the first light source and
The output of secondary light source is than being the first colour temperature so as to adjust the colour temperature of irradiation light；Finally, judging part judges according to the second curve
The luminous efficiency of LED corresponding to color temperature and the magnitude relationship of setting value, if luminous efficiency is greater than or equal to setting value,
Enforcement division controls radiator, and with normal mode operation, in the normal mode, heat dissipation helix tube is not elongated, and radiator is existed
Meet that there is less volume while heat dissipation performance；If luminous efficiency at this time is less than setting value, mean to have more
Electric energy is converted into the thermal energy beyond luminous energy, and enforcement division control radiator is worked with high load capacity pattern at this time, in high-duty die
Under formula, heat dissipation helix tube is elongated, and increases air circulation to strengthen the heat dissipation performance of radiator.
3. the LED light device as described in claim 1-2, it is characterised in that the LED light device is in-car reading
Lamp.
4. the LED light device as described in claim 1-2, it is characterised in that the setting value is 85%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711280231.2A CN108019707B (en) | 2017-12-06 | 2017-12-06 | The LED light device of adjust automatically heat dissipation performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711280231.2A CN108019707B (en) | 2017-12-06 | 2017-12-06 | The LED light device of adjust automatically heat dissipation performance |
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| Publication Number | Publication Date |
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| CN108019707A true CN108019707A (en) | 2018-05-11 |
| CN108019707B CN108019707B (en) | 2019-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711280231.2A Active CN108019707B (en) | 2017-12-06 | 2017-12-06 | The LED light device of adjust automatically heat dissipation performance |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000037904A1 (en) * | 1998-12-18 | 2000-06-29 | Koninklijke Philips Electronics N.V. | Led luminaire |
| JP2001043703A (en) * | 1999-07-29 | 2001-02-16 | Asahi Glass Co Ltd | Optical fiber lighting system |
| CN103499055A (en) * | 2013-10-15 | 2014-01-08 | 浙江晶日照明科技有限公司 | Led lamp capable of promoting growth of leaf vegetables |
| CN203446079U (en) * | 2013-09-10 | 2014-02-19 | 步步高教育电子有限公司 | Lighting and indicating device for adjusting light intensity |
| CN203477948U (en) * | 2013-08-17 | 2014-03-12 | 山东佛光照明科技有限公司 | Constant-illumination LED lamp for illumination of factories and mines |
| CN204901396U (en) * | 2015-07-24 | 2015-12-23 | 重庆文理学院 | An intelligent illuminating lamp |
-
2017
- 2017-12-06 CN CN201711280231.2A patent/CN108019707B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000037904A1 (en) * | 1998-12-18 | 2000-06-29 | Koninklijke Philips Electronics N.V. | Led luminaire |
| JP2001043703A (en) * | 1999-07-29 | 2001-02-16 | Asahi Glass Co Ltd | Optical fiber lighting system |
| CN203477948U (en) * | 2013-08-17 | 2014-03-12 | 山东佛光照明科技有限公司 | Constant-illumination LED lamp for illumination of factories and mines |
| CN203446079U (en) * | 2013-09-10 | 2014-02-19 | 步步高教育电子有限公司 | Lighting and indicating device for adjusting light intensity |
| CN103499055A (en) * | 2013-10-15 | 2014-01-08 | 浙江晶日照明科技有限公司 | Led lamp capable of promoting growth of leaf vegetables |
| CN204901396U (en) * | 2015-07-24 | 2015-12-23 | 重庆文理学院 | An intelligent illuminating lamp |
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| Publication number | Publication date |
|---|---|
| CN108019707B (en) | 2019-06-14 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190513 Address after: 524000 Building No. 17, 83 Zhongchuan Avenue, Xiashan District, Zhanjiang City, Guangdong Province Applicant after: ZHANJIANG GENERAL ELECTRIC Corp.,Ltd. Address before: 230000 Room 402, Baohe Garden Area B, Hefei City, Anhui Province Applicant before: Fu Yong Zhi |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: LED lighting device with automatic thermal performance adjustment Effective date of registration: 20221227 Granted publication date: 20190614 Pledgee: Bank of China Limited Zhanjiang Branch Pledgor: ZHANJIANG GENERAL ELECTRIC Corp.,Ltd. Registration number: Y2022980028979 |