CN106989368A - A kind of LED automobile head lamp thermal convection device - Google Patents
A kind of LED automobile head lamp thermal convection device Download PDFInfo
- Publication number
- CN106989368A CN106989368A CN201710359149.2A CN201710359149A CN106989368A CN 106989368 A CN106989368 A CN 106989368A CN 201710359149 A CN201710359149 A CN 201710359149A CN 106989368 A CN106989368 A CN 106989368A
- Authority
- CN
- China
- Prior art keywords
- head lamp
- led head
- led
- radiating
- core
- 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
- 238000004020 luminiscence type Methods 0.000 claims abstract description 8
- 230000005855 radiation Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 4
- 239000004576 sand Substances 0.000 abstract description 4
- 239000010865 sewage Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
- F21S45/40—Cooling of lighting devices
- F21S45/42—Forced cooling
- F21S45/43—Forced cooling using gas
-
- 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
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- 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
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a kind of LED automobile head lamp thermal convection device, including the outer core of lamp outer casing, LED head lamp afterbody radiator fan, LED head lamp radiating, LED luminescence chips, PCB core piece, LED head lamp radiating inner core and auto bulb lampshade；The present invention is sealed in inside cavity due to the fan of this LED heat abstractor, and the problem of sewage and sand and dust can accelerate fan fails outside automobile lamp is also solved simultaneously.Furthermore it is possible to LED heat is more uniformly distributed in the interior space of whole auto bulb light fixture, the problem of head lamp lampshade can be improved, so as to greatly reduce the possibility of lampshade accumulated snow.
Description
Technical field
The present invention relates to a kind of lighting device for vehicle, more particularly to a kind of LED automobile head lamp thermal convection device.
Background technology
LED automobile lamp radiator in the market, which is mainly to radiate by general fin using materials such as aluminium, copper, to be tied
The native mode of structure or increase fan is radiated, and these radiators are generally limited by the space of automobile lamp not enough, so that
LED automobile lamp volume is filled after limitation excessive, radiator can not be distributed in lamp outer casing the inside efficient, flexible.Or, for increasing
Plus for the radiator structure of fan, on the one hand because the convection space at lamp outer casing rear portion is not enough, the radiating effect of fan is limited；
On the other hand, the problem of sewage and sand and dust at automobile lamp rear portion can accelerate fan fails.Due to the automobile in the north, in winter meeting
In snowy day driving, the heat of LED head lamp concentrates on the position of LED chip, it is impossible to heats the lampshade of lamp outer casing, causes head lamp
Accumulated snow influences the illumination of road ahead.
The content of the invention
The purpose of the present invention：A kind of LED automobile head lamp thermal convection device is provided, combining the radiating of LED automobile lamp needs
Ask, to solve above-mentioned multinomial defect caused by prior art, reach the purpose of enhancing LED automobile head lamp luminous efficiency.
To achieve these goals, the technical scheme is that：
A kind of LED automobile head lamp thermal convection device, including the radiating of lamp outer casing, LED head lamp afterbody radiator fan, LED head lamp
Outer core, LED luminescence chips, PCB core piece, LED head lamp radiating inner core and auto bulb lampshade；Described auto bulb lampshade is set
In the front end of described lamp outer casing, auto bulb structure is constituted；The described outer core of LED head lamp radiating is arranged on described light fixture
In shell, the both ends open of the described outer core of LED head lamp radiating is in cover body structure, and described LED head lamp afterbody radiator fan is set
Put in the described outer in-core of LED head lamp radiating, in the cover body structure that described LED head lamp radiates the rear portion of outer core；It is described
LED head lamp radiating inner core be funnel-shaped structure, it is outer that described LED head lamp radiating inner core is arranged on described LED head lamp radiating
In in-core, one end of described LED head lamp radiating inner core is connected with described LED head lamp afterbody radiator fan, described LED heads
The other end of lamp radiating inner core is extended in the anterior cover body structure of the described outer core of LED head lamp radiating；Described PCB core piece
It is arranged on described LED head lamp radiating inner core, in the anterior cover body structure that described LED head lamp radiates outer core, institute
The LED luminescence chips stated are welded on described PCB core piece.
Above-mentioned LED automobile head lamp thermal convection device, wherein, the rear end of the described outer core of LED head lamp radiating is provided with LED
Head lamp afterbody dissipating cover, positioned at the rear of described LED head lamp afterbody radiator fan.
Above-mentioned LED automobile head lamp thermal convection device, wherein, described LED head lamp afterbody dissipating cover and described LED
Space is left between head lamp afterbody radiator fan, LED head lamp afterbody radiating swapace is formed.
Above-mentioned LED automobile head lamp thermal convection device, wherein, LED bulb is exposed in the outside of described lamp outer casing.
Above-mentioned LED automobile head lamp thermal convection device, wherein, described auto bulb lampshade is obliquely installed.
Above-mentioned LED automobile head lamp thermal convection device, wherein, the described outer core of LED head lamp radiating and described LED heads
Air exchange structure is provided between lamp radiating inner core, makes the described outer core of LED head lamp radiating and described LED head lamp radiating inner core
Between form air circulation.
Above-mentioned LED automobile head lamp thermal convection device, wherein, the outer wall of described LED head lamp radiating inner core with it is described
LED head lamp radiate outer core inwall between leave gap, described LED head lamp afterbody is radiated swapace and described
The anterior auto bulb lampshade inner air connection of the outer core of LED head lamp radiating.
Above-mentioned LED automobile head lamp thermal convection device, wherein, the middle part of described LED head lamp radiating inner core is provided with sky
Gas channel, the anterior and described LED head lamp afterbody of the described outer core of LED head lamp radiating of described airflow path connection dissipates
Hot-air fan.
The present invention is sealed in inside cavity due to the fan of this LED heat abstractor, also solves automobile lamp simultaneously
The problem of outside sewage and sand and dust can accelerate fan fails.Furthermore it is possible to which LED heat is more uniformly distributed into whole lamp
In the interior space for having shell, the problem of head lamp lampshade can be improved, so as to greatly reduce the possibility of lampshade accumulated snow.
Brief description of the drawings
Fig. 1 is a kind of sectional view of LED automobile head lamp thermal convection device of the invention.
Embodiment
Embodiments of the invention are further illustrated below in conjunction with accompanying drawing.
Refer to shown in accompanying drawing 1, a kind of LED automobile head lamp thermal convection device, including lamp outer casing 1, LED head lamp afterbody
Radiator fan 2, the outer core 5 of LED head lamp radiating, LED luminescence chips 6, PCB core piece 7, LED head lamp radiating inner core 8 and auto bulb lamp
Cover 10；Described auto bulb lampshade 10 is arranged on the front end of described lamp outer casing 1, constitutes auto bulb structure；Described
The outer core 5 of LED head lamp radiating is arranged in described lamp outer casing 1, and the both ends open of the described outer core 5 of LED head lamp radiating is in cover
Body structure, described LED head lamp afterbody radiator fan 2 is arranged on described LED head lamp and radiated in outer core 5, positioned at described LED
In the cover body structure at the rear portion of the outer core 5 of head lamp radiating；Described LED head lamp radiating inner core 8 is funnel-shaped structure, described LED
The described LED head lamp that head lamp radiating inner core 8 is arranged on radiates in outer core 5, one end of described LED head lamp radiating inner core 8 and
Described LED head lamp afterbody radiator fan 2 is connected, and the other end of described LED head lamp radiating inner core 8 extends to described LED
In the anterior cover body structure of the outer core 5 of head lamp radiating；Described PCB core piece 7 is arranged on described LED head lamp radiating inner core 8,
In the anterior cover body structure that described LED head lamp radiates outer core 5, described LED luminescence chips 6 are welded on described
On PCB core piece 7.
The rear end of the described outer core 5 of LED head lamp radiating is provided with LED head lamp afterbody dissipating cover 4, positioned at described LED head lamp
The rear of afterbody radiator fan 2, is easy to the radiating at the rear of LED head lamp afterbody radiator fan 2.
Space is left between described LED head lamp afterbody dissipating cover 4 and described LED head lamp afterbody radiator fan 2, is formed
LED head lamp afterbody radiating swapace 3, is conducive to the heat exchange at the rear of LED head lamp afterbody radiator fan 2.
LED bulb is exposed in the outside of described lamp outer casing 1, and the air of lamp interior can be because this device be by convection into
LED bulb afterbody, using the relatively low temperature in the outside of lamp outer casing 1, heat exchange is gone out.
Described auto bulb lampshade 10 is obliquely installed, and is easy to the irradiation of light.
Described LED head lamp radiates is provided with air exchange structure between outer core 5 and described LED head lamp radiating inner core 8, makes
Described LED head lamp radiates forms air circulation between outer core 5 and described LED head lamp radiating inner core 8.
Embodiment 1：
Gap is left between the inwall of the outer wall of described LED head lamp radiating inner core 8 and the described outer core 5 of LED head lamp radiating, is made
Described LED head lamp afterbody radiating swapace 3 is radiated with described LED head lamp inside the anterior auto bulb lampshade of outer core 5
Air 9 is connected.
The middle part of described LED head lamp radiating inner core 8 is provided with airflow path, and described airflow path connects described
The anterior and described LED head lamp afterbody radiator fan 2 of the outer core 5 of LED head lamp radiating, in the outer core 5 of LED head lamp radiating and LED heads
Air circulation is formed between lamp radiating inner core 8.
Air exchange structure is not limited only to the structure described in embodiment 1, as long as ensuring in the outer He of core 5 of LED head lamp radiating
In LED head lamp radiating inner core 8, there is the air exchange structure of one-in-and-one-out both direction to realize air circulation, own
Air exchange structure type is all within protection scope of the present invention.
Make the inner air of lamp outer casing 1 flowing that LED is installed present invention utilizes LED head lamp afterbody radiator fan 2,
LED heat is more uniformly diffused into the whole space of lamp outer casing 1.Meanwhile, because LED bulb afterbody is an exposure to vapour
Car light tool is outside, the air of lamp interior can because this device be by convection into LED bulb afterbody, using outside lamp outer casing 1 compared with
Low temperature, heat exchange is gone out.So, automobile lamp internal heat is formed uniformly to spread, and simultaneously can be with lamp
Have the external environment condition of shell 1 and carry out heat exchange, so as to reach the effect of more preferable active heat removal.
After LED head lamp afterbody radiator fan 2 starts rotation, air can enter from the position of LED head lamp radiating inner core 8
Enter/flow out, the position outflow/entrance for the outer core 5 that radiated from LED head lamp is reached auto bulb lampshade inner air 9 and LED heads
The heat of LED luminescence chips 6 and PCB core piece 7, is on the one hand passed through air pair by the cross-ventilation of lamp afterbody radiating swapace 3
It is wandering to be dealt into whole auto bulb lampshade inner air 9；On the other hand, LED head lamp afterbody radiating swapace 3 air and
Heat exchange is also carried out between LED head lamp afterbody dissipating cover 4, is distributed heat to outside product.
In summary, it is of the invention because the fan of this LED heat abstractor is sealed in inside cavity, also solve simultaneously
The problem of sewage and sand and dust can accelerate fan fails outside automobile lamp.Furthermore it is possible to which LED heat is more uniformly disperseed
To in the interior space of whole lamp outer casing, the problem of head lamp lampshade can be improved, so as to greatly reduce the possibility of lampshade accumulated snow
Property.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize
The equivalent structure transformation that present specification is made, or directly or indirectly with the technology neck for being attached to other Related products
Domain, is included within the scope of the present invention.
Claims (8)
1. a kind of LED automobile head lamp thermal convection device, it is characterised in that：Including lamp outer casing, LED head lamp afterbody radiation air
Fan, the outer core of LED head lamp radiating, LED luminescence chips, PCB core piece, LED head lamp radiating inner core and auto bulb lampshade；Described vapour
Headlight lampshade is arranged on the front end of described lamp outer casing, constitutes auto bulb structure；The described outer core of LED head lamp radiating is set
Put in described lamp outer casing, the both ends open of the described outer core of LED head lamp radiating is in cover body structure, described LED head lamp
Afterbody radiator fan is arranged on the described outer in-core of LED head lamp radiating, the cover at the rear portion of outer core of being radiated positioned at described LED head lamp
In body structure；Described LED head lamp radiating inner core is funnel-shaped structure, and described LED head lamp radiating inner core is arranged on described
LED head lamp radiates in outer in-core, and one end of described LED head lamp radiating inner core connects with described LED head lamp afterbody radiator fan
Connect, the other end of described LED head lamp radiating inner core extends to the anterior cover body structure of the described outer core of LED head lamp radiating
It is interior；Described PCB core piece is arranged on described LED head lamp radiating inner core, the front portion for the outer core that radiated positioned at described LED head lamp
Cover body structure in, described LED luminescence chips are welded on described PCB core piece.
2. LED automobile head lamp thermal convection device according to claim 1, it is characterised in that：Described LED head lamp radiating
The rear end of outer core is provided with LED head lamp afterbody dissipating cover, positioned at the rear of described LED head lamp afterbody radiator fan.
3. LED automobile head lamp thermal convection device according to claim 2, it is characterised in that：Described LED head lamp afterbody
Space is left between dissipating cover and described LED head lamp afterbody radiator fan, LED head lamp afterbody radiating swapace is formed.
4. LED automobile head lamp thermal convection device according to claim 1, it is characterised in that：LED bulb is exposed described
Lamp outer casing outside.
5. LED automobile head lamp thermal convection device according to claim 1, it is characterised in that：Described auto bulb lamp
Cover is obliquely installed.
6. LED automobile head lamp thermal convection device according to claim 1, it is characterised in that：Described LED head lamp radiating
Be provided with air exchange structure between outer core and described LED head lamp radiating inner core, make described LED head lamp radiate outer core with it is described
LED head lamp radiating inner core between form air circulation.
7. LED automobile head lamp thermal convection device according to claim 6, it is characterised in that：Described LED head lamp radiating
Gap is left between the inwall of the outer wall of inner core and the described outer core of LED head lamp radiating, described LED head lamp afterbody is radiated and hands over
The space auto bulb lampshade inner air anterior with the described outer core of LED head lamp radiating is changed to connect.
8. LED automobile head lamp thermal convection device according to claim 6, it is characterised in that：Described LED head lamp radiating
The middle part of inner core is provided with airflow path, the front portion of the described outer core of LED head lamp radiating of described airflow path connection and institute
The LED head lamp afterbody radiator fan stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710359149.2A CN106989368A (en) | 2017-05-19 | 2017-05-19 | A kind of LED automobile head lamp thermal convection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710359149.2A CN106989368A (en) | 2017-05-19 | 2017-05-19 | A kind of LED automobile head lamp thermal convection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106989368A true CN106989368A (en) | 2017-07-28 |
Family
ID=59421156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710359149.2A Pending CN106989368A (en) | 2017-05-19 | 2017-05-19 | A kind of LED automobile head lamp thermal convection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106989368A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101852793B1 (en) * | 2018-03-15 | 2018-06-07 | 주식회사 에이치씨티 | Led lamp assembly |
| CN110529822A (en) * | 2019-09-04 | 2019-12-03 | 广州千睿信息科技有限公司 | A kind of LED car lamp of good heat dissipation |
| EP4685389A1 (en) * | 2024-07-25 | 2026-01-28 | Lumileds LLC | Led retrofit lamp |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002244210A (en) * | 2001-02-14 | 2002-08-30 | Hitachi Ltd | Projector lamps and LCD projectors |
| EP2148133A2 (en) * | 2008-07-24 | 2010-01-27 | Koito Manufacturing Co., Ltd. | Automotive lamp having fan |
| CN102003668A (en) * | 2009-08-26 | 2011-04-06 | 现代摩比斯株式会社 | Headlamp for vehicle |
| CN202253525U (en) * | 2011-09-16 | 2012-05-30 | 元山科技工业股份有限公司 | Heat sink for LED lamps |
| CN105351861A (en) * | 2015-12-16 | 2016-02-24 | 广州共铸科技股份有限公司 | LED automobile head lamp |
| CN206817418U (en) * | 2017-05-19 | 2017-12-29 | 尹龙 | A kind of LED automobile head lamp thermal convection device |
-
2017
- 2017-05-19 CN CN201710359149.2A patent/CN106989368A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002244210A (en) * | 2001-02-14 | 2002-08-30 | Hitachi Ltd | Projector lamps and LCD projectors |
| EP2148133A2 (en) * | 2008-07-24 | 2010-01-27 | Koito Manufacturing Co., Ltd. | Automotive lamp having fan |
| CN102003668A (en) * | 2009-08-26 | 2011-04-06 | 现代摩比斯株式会社 | Headlamp for vehicle |
| CN202253525U (en) * | 2011-09-16 | 2012-05-30 | 元山科技工业股份有限公司 | Heat sink for LED lamps |
| CN105351861A (en) * | 2015-12-16 | 2016-02-24 | 广州共铸科技股份有限公司 | LED automobile head lamp |
| CN206817418U (en) * | 2017-05-19 | 2017-12-29 | 尹龙 | A kind of LED automobile head lamp thermal convection device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101852793B1 (en) * | 2018-03-15 | 2018-06-07 | 주식회사 에이치씨티 | Led lamp assembly |
| CN110529822A (en) * | 2019-09-04 | 2019-12-03 | 广州千睿信息科技有限公司 | A kind of LED car lamp of good heat dissipation |
| EP4685389A1 (en) * | 2024-07-25 | 2026-01-28 | Lumileds LLC | Led retrofit lamp |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170728 |
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