CN107911904A - LED light device on vehicle - Google Patents
LED light device on vehicle Download PDFInfo
- Publication number
- CN107911904A CN107911904A CN201711279405.3A CN201711279405A CN107911904A CN 107911904 A CN107911904 A CN 107911904A CN 201711279405 A CN201711279405 A CN 201711279405A CN 107911904 A CN107911904 A CN 107911904A
- Authority
- CN
- China
- Prior art keywords
- light
- illumination
- radiator
- led light
- led
- 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.)
- Pending
Links
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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
- B60Q3/208—Sun roofs; Windows
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/80—Circuits; Control arrangements
-
- 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
- F21V29/56—Cooling arrangements using liquid coolants
-
- 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
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
-
- 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
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
-
- 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)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention discloses the LED light device on a kind of vehicle, 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, the LED light device on more particularly to a kind of vehicle.
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 the LED light device on a kind of vehicle, there is optimal shield for being formed
The lighting environment of eye property, the LED light device include ambient light illumination sensor, it can adjust irradiation light according to ambient light illumination
Illumination；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 radiating fins being vertically arranged with illuminator, is equipped with the gap between radiating fin
Heat conducting pipe, there is cooling media in heat conducting pipe, and controller controls the circulation status of cooling media, thus radiator has different
Operating mode 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 conducting pipe does not work, and radiator is only
Radiate by radiating fin；If luminous efficiency at this time is less than setting value, mean there are more electric energy to be converted into light
Thermal energy beyond energy, at this time enforcement division control radiator with high load capacity pattern work, under high load capacity pattern, in heat conducting pipe
Cooling media circulates, and heat conducting pipe and radiating fin play cooling effect jointly.
Preferably, the LED light device is in-car reading lamp.
Preferably, the cooling media is cooling water or cooling oil or air.
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 on vehicle, including ambient light illumination sensor 1, illuminator 2,3 and of radiator
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 4500~5500K of colour temperature
White light White LED, secondary light source 2-2 be project blue light blue led；
As shown in Fig. 2, radiator 3 has multiple radiating fin 3-1 being vertically arranged with illuminator 2, radiating fin
Between gap in be equipped with heat conducting pipe 3-2, have cooling media in heat conducting pipe, controller 4 controls the circulation status of cooling media, dissipates
Thus thermal 3 has different operating modes and different heat-sinking capabilities；
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 conducting pipe do not work, and radiator only radiates by radiating fin；If at this time
Luminous efficiency be less than setting value, then mean there are more electric energy to be converted into the thermal energy beyond luminous energy, at this time enforcement division control
Radiator is worked with high load capacity pattern, and under high load capacity pattern, the cooling media in heat conducting pipe circulates, heat conducting pipe and radiating fin
Piece plays cooling effect jointly.
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. the LED light device on a kind of vehicle, it is characterised in that including ambient light illumination sensor, it can shine according to environment
The illumination of degree adjustment irradiation light；Further include illuminator, radiator and controller.
A kind of 2. LED light device on vehicle, for forming the lighting environment with optimal eyeshield, it is characterised in that bag
Ambient light illumination sensor is included, the LED light device adjusts the illumination of irradiation light according to ambient light illumination, further includes illuminator, dissipates
Thermal 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 radiating fins being vertically arranged with illuminator, and heat conduction is equipped with the gap between radiating fin
Manage, there is cooling media in heat conducting pipe, controller controls the circulation status of cooling media, thus radiator has different work
Pattern 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 conducting pipe does not work, and radiator only leans on radiating fin
Piece radiates；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, enforcement division control radiator is with the work of high load capacity pattern, under high load capacity pattern, the cooling media in heat conducting pipe at this time
Circulation, heat conducting pipe and radiating fin play cooling effect jointly.
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 cooling media is cooling water or cooling oil
Or air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711279405.3A CN107911904A (en) | 2017-12-06 | 2017-12-06 | LED light device on vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711279405.3A CN107911904A (en) | 2017-12-06 | 2017-12-06 | LED light device on vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107911904A true CN107911904A (en) | 2018-04-13 |
Family
ID=61854796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711279405.3A Pending CN107911904A (en) | 2017-12-06 | 2017-12-06 | LED light device on vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107911904A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101280910A (en) * | 2008-04-08 | 2008-10-08 | 深圳三升高科技股份有限公司 | Heat radiating device of outdoor LED plate |
| CN202511055U (en) * | 2012-03-14 | 2012-10-31 | 苏州创高电子有限公司 | Light emitting diode (LED) lamp |
| CN103383089A (en) * | 2012-05-02 | 2013-11-06 | 现代摩比斯株式会社 | Automotive lighting device |
| CN104159354A (en) * | 2013-05-13 | 2014-11-19 | 松下电器产业株式会社 | Lighting device |
| CN106015981A (en) * | 2016-05-24 | 2016-10-12 | 江苏天楹之光光电科技有限公司 | High lighting effect LED lamp |
-
2017
- 2017-12-06 CN CN201711279405.3A patent/CN107911904A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101280910A (en) * | 2008-04-08 | 2008-10-08 | 深圳三升高科技股份有限公司 | Heat radiating device of outdoor LED plate |
| CN202511055U (en) * | 2012-03-14 | 2012-10-31 | 苏州创高电子有限公司 | Light emitting diode (LED) lamp |
| CN103383089A (en) * | 2012-05-02 | 2013-11-06 | 现代摩比斯株式会社 | Automotive lighting device |
| CN104159354A (en) * | 2013-05-13 | 2014-11-19 | 松下电器产业株式会社 | Lighting device |
| CN106015981A (en) * | 2016-05-24 | 2016-10-12 | 江苏天楹之光光电科技有限公司 | High lighting effect LED lamp |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180413 |