CN106439684A - Automobile signal lamp adopting laser etching technique - Google Patents
Automobile signal lamp adopting laser etching technique Download PDFInfo
- Publication number
- CN106439684A CN106439684A CN201610870852.5A CN201610870852A CN106439684A CN 106439684 A CN106439684 A CN 106439684A CN 201610870852 A CN201610870852 A CN 201610870852A CN 106439684 A CN106439684 A CN 106439684A
- Authority
- CN
- China
- Prior art keywords
- led
- automobile signal
- laser
- light source
- radiator
- 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
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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
- F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/87—Organic material, e.g. filled polymer composites; Thermo-conductive additives or coatings therefor
-
- 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
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
-
- 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)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
Abstract
The invention discloses an automobile signal lamp adopting a laser etching technique. The automobile signal lamp comprises an aluminum alloy heat radiator, a connector assembly, an LED (Light-Emitting Diode) light source, electronic circuits, and electronic elements such as a weldable LED light source and a capacitor, wherein the surface of the aluminum alloy heat radiator is coated with an insulating coating; each electronic circuit is formed by means of laser etching; the laser-etched circuits are uniformly distributed on the surface of the insulating coating of the heat radiator after being subjected to laser etching treatment and chemical plating treatment; the electronic elements such as the LED light source and the capacitor are welded on the laser-etched circuits; the connector assembly is used for connection and signal input of the laser-etched circuits and an external power supply. According to the automobile signal lamp disclosed by the invention, electronic circuits are generated on the surface of the heat radiator by utilizing direct etching, the use of electric wires and relevant fixing structures, for connecting all functional circuit boards, inside the automobile signal lamp is avoided; the LED is directly welded at the surface of the heat radiator, and etched circuits are used for replacing the electric wires, so heat radiation of the LED light source is facilitated, and the light emission efficiency of the LED light source can be effectively improved; the automobile signal lamp disclosed by the invention is simplified in internal structure and has a quite high practical value.
Description
Technical field
The present invention relates to car light field, in particular it relates to a kind of automobile signal light, the invention particularly relates to a kind of
Automobile signal light using laser etching techniques.
Background technology
In automobile lamp, printed circuit board as between each luminescence unit and the carrier of electronic product components and parts and obtain
Apply to extensive, there is important effect.With the high speed development of automotive engineering, car light size is less and less, and function is increasingly
Complexity, inside the installation of printed circuit or electric wire and car light in traditional car light, increasingly narrow space forms contradiction.
In automobile signal light, it is typically due to that LED/light source is more and irregular distribution, light source needs radiating just to keep
Often light, use metal heat sink, weight is larger, meanwhile, traditional LED line road connected mode is welded on PCB line for LED
On the plate of road, live wire is connected with each other each LED, but for complex structure, in a fairly large number of signal lamp of LED, using pcb board and electricity
The mode that line connects seems poorly efficient and too fat to move, complex structure.
Because LED car lamp structure has following complexity：For example, space is little, and curved surface is many, cooling requirements height etc., for this reason,
A kind of being received using the technology that laser ablation makes electronic circuit is more and more paid attention to and is applied, and this laser ablation makes electricity
The technology on sub-line road can make electronic circuit in curved surface and 3-D solid structure, thus it is no longer necessary to printed circuit board (PCB), saving
Go lamp interior for connecting the electric wire of each function LED/light source and its related fixed structure, and lamp interior structure is obtained
To simplifying, save big quantity space and weight and cost.
If, in automobile lamp signal lamp, by directly directly welding in spreader surface making electronic circuit and by LED
Connect on a heat sink, then both can remove the mounting structure of wiring board from, also can effectively improve the heat dispersion of LED/light source simultaneously, because
And there is great practical value.For this reason, this area is directly welded in spreader surface making electronic circuit and by LED to direct
Technical scheme on a heat sink proposes requirement.
Content of the invention
For solving the above problems, it is an object of the invention to：A kind of automobile signal light of employing laser etching techniques is provided
And its metal heat sink, the automobile signal light of the employing laser etching techniques according to the present invention and its metal heat sink, solve
Cabling complexity and space-constrained contradiction between automobile lamp internal multiple light sources, particularly with the LED line road that heating power is larger,
LED is directly welded on spreader surface by the present invention, eliminates the circuit board of transition, and the heat dispersion of LED/light source is significantly carried
High.
Technical scheme is as follows：
A kind of automobile signal light of employing laser etching techniques, including：Lamp body, is connected to the radiator of lamp body and patches
Part it is characterised in that
Spreader surface is provided with insulating coating,
On the insulating coating surface of radiator, laser ablation circuit is evenly equipped with by laser treatment,
LED/light source and electronic device are welded with laser ablation circuit,
Connector is used for connection and the signal input of laser ablation circuit and external power source.
According to the present invention, solve cabling complexity and space-constrained contradiction between the internal multiple light sources of automobile lamp, save
Go to inside in order to connect the wiring board of each function, electric wire and its related fixed structure, particularly, LED/light source has directly been welded
In the spreader surface of aluminum alloy material, contribute to the radiating of LED/light source, can effectively improve the luminous efficiency of LED/light source, use
The circuit being etched in spreader surface replaces the form of electric wire to eliminate lamp interior and be used for connecting each function LED/light source wiring board
Electric wire and its related fixed structure so that the structure of lamp interior is simplified, reduce cost simultaneously.
According to a kind of automobile signal light of employing laser etching techniques of the present invention it is characterised in that
Described radiator is controlled to LED/light source using laser ablation circuit.
According to a kind of automobile signal light of employing laser etching techniques of the present invention it is characterised in that
Described radiator is aluminium alloy (ADC).
According to a kind of automobile signal light of employing laser etching techniques of the present invention it is characterised in that
Described spreader surface scribbles insulating coating, is occurred short with the wire and spreader surface conducting avoiding laser ablation
Road.
Described insulating coating includes PU100, PES200 material of such as LPKF D. O. O., and thickness is 0.2mm.
According to a kind of automobile signal light of employing laser etching techniques of the present invention it is characterised in that
Described radiator insulating coating has chemical plating activity under laser treatment, exhausted in radiator by chemical plating
Edge layer surface forms electronic circuit.
According to a kind of automobile signal light of employing laser etching techniques of the present invention it is characterised in that
Described electronic device and LED pass through welding and access the electronic circuit that laser ablation generates.
A kind of automobile signal light of the employing laser etching techniques being provided according to the present invention and its metal heat sink, using sharp
The circuit of LED on automobile signal light radiator is directly generating in the surface of radiator by optical etching technology, solves automobile lamp
Cabling complexity and space-constrained contradiction between internal multiple light sources, simultaneously because LED and electronic circuit are placed directly against radiating
The insulating surface of device, is conducive to heat sheds, and has good heat conductivility.
Brief description
Fig. 1 is the schematic diagram of traditional installation form of automobile signal light LED soft base plate；
Fig. 2 is the schematic diagram of traditional installation form of automobile signal light LED circuit board；
Fig. 3 is the automobile signal light structural representation that the configuration present invention adopts laser etching techniques radiator；
Fig. 4 is the axonometric drawing of radiator of the present invention；
Fig. 5 is the front view of radiator of the present invention；
Fig. 6 is the side view of radiator of the present invention.
In Fig. 1,1-1,1-2,1-3 are the LED/light source being arranged on soft base plate, and 2-1,2-2,2-3 are for after being attached to LED/light source
The metal fin radiating for it, 3 is the soft base plate connecting each LED/light source, and 4 is mounting bracket, and 5 is connector；In Fig. 2,6-
1st, 6-2 is the LED/light source installed in the circuit board, and 7-1,7-2 are the wiring board installing LED/light source, and 8-1,8-2 are connector, 9
For electric wire, 10 is mounting bracket；In Fig. 3,11 is radiator entity involved in the present invention, and 12 is using radiator of the present invention
Vehicle lamp light-distributing mirror, 13 is the automobile lamp decorative ring using radiator of the present invention, and 14 is the body of vehicle light using radiator of the present invention；Fig. 4-
In Fig. 6,15 is connector, and 16 is the input circuit of spreader surface laser ablation, and 16-1,16-2,16-3,16-4 are that branch is defeated
Enter circuit, 17 is the output circuit of spreader surface laser ablation, and 18-1,18-2,18-3,18-4 are to install on a heat sink
LED/light source, 19 is for strengthening the radiating fin of heat dispersion on radiator.
Specific embodiment
For better understanding of the technique scheme of the present invention, carry out with reference to the accompanying drawings and examples further
Describe in detail, and contrasted with traditional scheme.
A kind of conventional mounting form that Fig. 1 adopts for automobile signal light, each LED/light source (1-1,1-2,1-3) passes through welding
It is arranged on soft base plate (3), is connected with each other, be connected with outside line by connector (5), form the electric loop that can turn on,
The metal fin (2-1,2-2,2-3) for LED radiating is posted at soft base plate (3) back side, after the completion for the treatment of above step assembling, soft base
Plate fixes lamp interior by mounting bracket (4).
Another kind of installation form that Fig. 2 adopts for automobile signal light, each light source led (6-1,6-2) is existed by welded and installed
On wiring board (7-1,7-2), wiring board is the material such as epoxy resin or copper, aluminium, wiring board (7-1,7-2) is welded with respectively and patches
Part (8-1,8-2), between connector (8-1,8-2), equipped with electric wire (9), for the connection of each wiring board (7-1,7-2), each line
Road plate (7-1,7-2) is arranged on lamp interior by mounting bracket (10).
In above-described conventional solution, mounting structure is complicated, and relatively costly, volume is larger, with automobile lamp mesh
The lightweight of front requirement, cost degradation defines unavoidably significantly contradiction.
Enforcement such as Fig. 2 for the automobile signal light of employing laser etching techniques of the present invention and its metal heat sink,
Shown in Fig. 3, Fig. 4, Fig. 1 is the signal lamp structural representation of the radiator of employing laser etching techniques of the configuration present invention.According to
The signal lamp of employing laser etching techniques shown in the drawings and the embodiment of radiator, including：Surface scribbles insulating coating
Aluminium alloy heat radiator 5, connector 1, LED/light source (18-1,18-2,18-3,18-4), laser ablation formed electronic circuit (16,
17), the electronic device such as electric capacity, described laser ablation circuit (16,17) is distributed on scattered after laser treatment according to predetermined design
The insulating coating surface of hot device 11, the electronic device such as LED/light source (18-1,18-2,18-3,18-4) and electric capacity is welded on laser
In etching circuit (16,17), connector 1 is used for laser ablation circuit and is connected and signal input with outside power supply, solves vapour
Between each light source of car lamp interior, the complicated contradiction with narrow space of cabling, eliminates lamp interior and is used for connecting each function LED
The wiring board electric wire of light source (18-1,18-2,18-3,18-4) and its related fixed structure are so that the structure of lamp interior obtains
Simplify, especially, LED/light source is directly welded at the spreader surface of aluminum alloy material, be disposed with increase at its back side and dissipate
The radiating fin of hot area, contributes to the radiating of LED/light source (18-1,18-2,18-3,18-4).
The working condition of the present invention is as follows：
In automobile signal light, it is typically due to that LED/light source is more and irregular distribution, lead to LED line road considerably complicated,
Traditional LED line road connected mode is welded on PCB for LED and is connected with each other by electric wire or soft base plate, but for complex structure,
In a fairly large number of signal lamp of LED, seem poorly efficient and too fat to move by the way of pcb board.In the present invention, radiator 11 is aluminium alloy
Material, is provided with radiating fin 19, and radiator 11 surface has one layer of insulating coating.In order to obtain electronics on radiator 11 surface
Circuit (16,17), the first insulating blanket on radiator 11 surface can after laser activation with chemical deposit good combination.So
Afterwards, laser can perform etching according to the designated area on the face coat to radiator for the circuit diagram of design.As Fig. 4, Fig. 5, Fig. 6
In electronic circuitry (16-1,16-2,16-3,16-4) etc., after laser scanning is complete, electronic circuit is carried out at chemical plating
Reason, thus obtain conducting wire on the surface of radiator 11, thus realizing the making of three-dimensional structure circuit.On radiator 5 surface
After obtaining electronic circuit, by way of welding, the electronic devices such as LED/light source (18-1,18-2,18-3,18-4), electric capacity are connect
Enter in electronic circuit, described radiator 11 is associated by electronic loop (16,17) and connector 15 and external structure.
A kind of automobile signal light of the employing laser etching techniques being provided according to the present invention and its metal heat sink, using sharp
The circuit of LED on automobile signal light radiator is directly generating in the surface of radiator by optical etching technology, solves automobile lamp
Cabling complexity and space-constrained contradiction between internal multiple light sources, simultaneously because LED and electronic circuit are placed directly against radiating
The insulating surface of device, is conducive to heat sheds, and has good heat conductivility.
Claims (7)
1. a kind of automobile signal light of employing laser etching techniques, including：Lamp body, is connected to radiator and the connector of lamp body,
It is characterized in that,
Spreader surface is provided with insulating coating,
On the insulating coating surface of radiator, laser ablation circuit is evenly equipped with by laser treatment,
LED/light source and electronic device are welded with laser ablation circuit,
Connector is used for connection and the signal input of laser ablation circuit and external power source.
2. as claimed in claim 1 a kind of automobile signal light of employing laser etching techniques it is characterised in that
Described radiator is controlled to LED/light source using laser ablation circuit.
3. as claimed in claim 1 a kind of automobile signal light of employing laser etching techniques it is characterised in that
Described radiator is aluminium alloy.
4. as claimed in claim 1 a kind of automobile signal light of employing laser etching techniques it is characterised in that
Described spreader surface scribbles insulating coating, is short-circuited with the wire and spreader surface conducting avoiding laser ablation.
5. as claimed in claim 1 a kind of automobile signal light of employing laser etching techniques it is characterised in that
Described radiator insulating coating has chemical plating activity under laser treatment, by chemical plating in radiator insulating barrier
Surface forms electronic circuit.
6. as claimed in claim 1 a kind of automobile signal light of employing laser etching techniques it is characterised in that
Described electronic device and LED pass through welding and access the electronic circuit that laser ablation generates.
7. as claimed in claim 1 a kind of automobile signal light of employing laser etching techniques it is characterised in that
Described radiator with collapsible be installed on lamp body decorative circle after.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610870852.5A CN106439684A (en) | 2016-09-30 | 2016-09-30 | Automobile signal lamp adopting laser etching technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610870852.5A CN106439684A (en) | 2016-09-30 | 2016-09-30 | Automobile signal lamp adopting laser etching technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106439684A true CN106439684A (en) | 2017-02-22 |
Family
ID=58172628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610870852.5A Pending CN106439684A (en) | 2016-09-30 | 2016-09-30 | Automobile signal lamp adopting laser etching technique |
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| CN (1) | CN106439684A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108575045A (en) * | 2017-07-14 | 2018-09-25 | 常州星宇车灯股份有限公司 | A kind of the three-dimensional circuits plate and manufacturing method of high heat dissipation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1644978A (en) * | 2004-01-23 | 2005-07-27 | 株式会社小糸制作所 | Light |
| WO2014056834A1 (en) * | 2012-10-11 | 2014-04-17 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | Method for producing a light generation unit |
| CN104329597A (en) * | 2014-09-10 | 2015-02-04 | 东莞市信诺橡塑工业有限公司 | Non-substrate LED (Light Emitting Diode) lamp and preparation method thereof |
| TW201612459A (en) * | 2014-09-18 | 2016-04-01 | Wei-Jia Huang | LED heat dissipation substrate manufacturing process and structure thereof |
| CN206488183U (en) * | 2016-09-30 | 2017-09-12 | 武汉通畅汽车电子照明有限公司 | A kind of automobile signal light of use laser etching techniques |
-
2016
- 2016-09-30 CN CN201610870852.5A patent/CN106439684A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1644978A (en) * | 2004-01-23 | 2005-07-27 | 株式会社小糸制作所 | Light |
| WO2014056834A1 (en) * | 2012-10-11 | 2014-04-17 | Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg | Method for producing a light generation unit |
| CN104329597A (en) * | 2014-09-10 | 2015-02-04 | 东莞市信诺橡塑工业有限公司 | Non-substrate LED (Light Emitting Diode) lamp and preparation method thereof |
| TW201612459A (en) * | 2014-09-18 | 2016-04-01 | Wei-Jia Huang | LED heat dissipation substrate manufacturing process and structure thereof |
| CN206488183U (en) * | 2016-09-30 | 2017-09-12 | 武汉通畅汽车电子照明有限公司 | A kind of automobile signal light of use laser etching techniques |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108575045A (en) * | 2017-07-14 | 2018-09-25 | 常州星宇车灯股份有限公司 | A kind of the three-dimensional circuits plate and manufacturing method of high heat dissipation |
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| PB01 | Publication | ||
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Application publication date: 20170222 |