CN108571693A - A kind of special LED electrical connections metal spring leaf and its assembly method - Google Patents
A kind of special LED electrical connections metal spring leaf and its assembly method Download PDFInfo
- Publication number
- CN108571693A CN108571693A CN201710894915.5A CN201710894915A CN108571693A CN 108571693 A CN108571693 A CN 108571693A CN 201710894915 A CN201710894915 A CN 201710894915A CN 108571693 A CN108571693 A CN 108571693A
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- CN
- China
- Prior art keywords
- bending part
- side bending
- spring leaf
- metal spring
- electrical connections
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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
-
- 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
- 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]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Led Device Packages (AREA)
Abstract
The invention belongs to car light LED light source technical fields, the technical issues of LED chip to solve ceramic substrate cannot be designed with the mounting means of traditional circuit plate, provide a kind of special LED electrical connections metal spring leaf and its assembly method, the metal spring leaf is an integral structure, including being contacted with PCB substrate and fixed left side bending part and right side bending part, and the domes for contacting to connect with power circuit to realization with LED electrode between left side bending part and right side bending part, the projection portion of the domes is with the overbending direction of left side bending part and right side bending part in same direction.The configuration of the present invention is simple, it is novel in design, a kind of preferably electrical connection and fixed form are provided for the LED chip on ceramic substrate, more technical supports are provided using diversification for LED chip.
Description
Technical field
The invention belongs to car light LED light source technical fields, and in particular to a kind of special LED electrical connections metal spring leaf and
Its assembly method.
Background technology
With car light popularizing with LED, the LED of high-power (1W or more) and super high power (10W or more) is also more and more
For in headlamp designs.But some wounds are made to LED by the high-power reduction for bringing heat dissipation performance, many light source manufacturers
Newly.If the use of traditional aluminum substrate is directly accomplished on ceramic substrate and eliminated to LED chip by Ya Deng manufacturers, to reduce
The thermal resistance of cooling system, improves heat dissipation performance.However, the LED core chip size of ceramic substrate is small, bad mechanical property, Bu Nengyong
The mounting means of traditional circuit plate is designed.
Invention content
The present invention is the technology that solves the LED chip of ceramic substrate and cannot be designed with the mounting means of traditional circuit plate
Problem provides a kind of special LED electrical connections metal spring leaf and its assembly method.
The technical solution adopted by the present invention is as follows：
A kind of special LED electrical connections metal spring leaf, the metal spring leaf are an integral structure, including with PCB substrate
Contact and fixed left side bending part and right side bending part and between left side bending part and right side bending part and LED
Electrode contact to realize the domes that are connect with power circuit, the projection portion and left side bending part of the domes and
The overbending direction of right side bending part is in same direction.
The bottom of the domes is equipped with the salient point connected with circuit for the pressing to LED electrode.
Several domes are respectively equipped between the left side bending part and right side bending part and middle part domes, it is described
The opening direction of adjacent two domes is opposite.
The metal spring leaf is made of the copper base of 0.15~0.3mm.
The surface of the metal spring leaf is equipped with coating.
The material of the coating is silver or gold.
A kind of assembly method of special LED electrical connections metal spring leaf is：
(1) the left side bending part of metal spring leaf and right side bending part are inserted into the reserved slot of PCB substrate and are put surely, and make arch
The bottom of shape structure is contacted with LED electrode；
(2) will be inserted into the left side bending part of the metal spring leaf of PCB substrate preformed groove lower part and right side bending part respectively to
The bottom of PCB substrate presses, until left side bending part is contacted with the bottom of PCB substrate respectively with right side bending part；
(3) welded at the position that left side bending part and right side bending part are contacted with PCB substrate, realize metal spring leaf with
The connection of PCB substrate circuit；
(4) after being installed in place with the PCB substrate that metal spring leaf assembles, metal spring leaf presses LED electrode, real
The now conducting of entire circuit.
After the left side bending part and right side bending part of the metal spring leaf are inserted into PCB substrate bending, Reflow Soldering was used
Method welding.
Domes in the middle part of the metal spring leaf are connect with the connection type of LED electrode contact site using mechanical compression
Or it is welded to connect.
Beneficial effects of the present invention：
It is novel in design 1. the configuration of the present invention is simple, it provides and a kind of preferably electrically connects for the LED chip on ceramic substrate
It connects and fixed form, more technical supports is provided using diversification for LED chip.
2. the bottom of middle part domes of the invention is equipped with salient point, be conducive to pressing and electricity of the metal spring leaf to LED electrode
Road connects.
3. the present invention is conducive to medal spring by the way that multiple domes are arranged again between bending part and middle part domes
Piece to LED electrode when carrying out crimping deformation to the storage of deformation potential.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 uses schematic diagram for the present invention's；
In figure：Bending part on the left of 1-, the right sides 2- bending part, 3- domes, 4-LED electrodes, 5-PCB substrates.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of special LED electrical connections metal spring leaf, the metal spring leaf are an integral structure, including
It is contacted with PCB substrate 5 and fixed left side bending part 1 contacts to realize and power supply electricity with right side bending part 2, with LED electrode 4
The domes 3 of road connection, middle part of the domes 3 between left side bending part 1 and right side bending part 2, the arch
The projection portion of shape structure 3 is with the overbending direction of left side bending part 1 and right side bending part 2 in same direction.The medal spring
Piece can decide whether coating or coating type using copper as base material according to LED power size.Generally, metal spring leaf using 0.15~
The copper base of 0.3mm makes, and overlay coating selects silver or gold.
For the ease of being connected with circuit to the pressing of LED electrode 4, the bottom of the domes 3 is equipped with salient point.
If being further respectively had between the left side bending part 1 and right side bending part 2 and middle part domes 3 of the metal spring leaf
The opening direction of dry domes, adjacent two domes is opposite.The metal spring leaf possesses multiple domes, has
Conducive to metal spring leaf when carrying out crimping deformation to LED electrode 4 for the storage to deformation potential.The quantity of the domes
It is determined according to actually required elastic force and metal spring leaf length.
As shown in Fig. 2, the assembly method of the special LED electrical connections metal spring leaf is：
(1) the left side bending part 1 of metal spring leaf and right side bending part 2 are inserted into the reserved slot of PCB substrate 5 and are put surely, and
The bottom of domes 3 is set to be contacted with LED electrode 4；
(2) left side bending part 1 and the right side of the metal spring leaf of 5 preformed groove lower part of PCB substrate will be inserted into using corresponding tooling
Lateral bending folding part 2 (presses) respectively to the pressing of the bottom of PCB substrate 5 to the inner or outer side of bottom, until left side bending part 1 and the right side
Lateral bending folding part 2 is contacted with the bottom of PCB substrate 5 respectively；
(3) it is welded at the position that left side bending part 1 and right side bending part 2 are contacted with PCB substrate 5, realizes medal spring
The connection of piece and 5 circuit of PCB substrate, when welding, are welded using the method for Reflow Soldering so that the reliability of welding obtains greatly
Promoted to width；
(4) after being installed in place the PCB substrate 5 assembled with metal spring leaf, metal spring leaf presses LED electrode 4,
Realize the conducting of entire circuit, when metal spring leaf presses LED electrode 4, domes 3 generate the shape of 0.5~1.5mm
Become, the domes 3 in the middle part of the metal spring leaf connect using mechanical compression with the connection type of 4 contact site of LED electrode or
It is welded to connect.
Metal spring leaf totally 2 described in when specific installation, is respectively placed in the both sides LED, to realize the circuit of electric current and right
The crimping of LED chip balances.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of special LED electrical connections metal spring leaf, it is characterised in that：The metal spring leaf is an integral structure, including
Contacted with PCB substrate (5) and fixed left side bending part (1) and right side bending part (2) and positioned at left side bending part (1) with
The domes (3) for contacting to connect with power circuit to realization with LED electrode (4) between right side bending part (2), the arch
The projection portion of shape structure (3) is with the overbending direction of left side bending part (1) and right side bending part (2) in same direction.
2. a kind of special LED electrical connections metal spring leaf according to claim 1, it is characterised in that：The arch knot
The bottom of structure (3) is equipped with the salient point for being connected with circuit to the pressing of LED electrode (4).
3. a kind of special LED electrical connections metal spring leaf according to claim 1 or 2, it is characterised in that：The left side
It is respectively equipped with several domes between bending part (1) and right side bending part (2) and middle part domes (3), described adjacent two
The opening direction of domes is opposite.
4. a kind of special LED electrical connections metal spring leaf according to claim 1 or 2, it is characterised in that：The metal
Reed is made of the copper base of 0.15~0.3mm.
5. a kind of special LED electrical connections metal spring leaf according to claim 1 or 2, it is characterised in that：The metal
The surface of reed is equipped with coating.
6. a kind of special LED electrical connections metal spring leaf according to claim 5, it is characterised in that：The coating
Material is silver or gold.
7. a kind of assembly method of special LED electrical connections metal spring leaf, which is characterized in that specifically assembly method is：
(1) the left side bending part (1) of metal spring leaf and right side bending part (2) are inserted into the reserved slot of PCB substrate (5) and are put surely,
And the bottom of domes (3) is made to be contacted with LED electrode (4)；
(2) the left side bending part (1) and right side bending part (2) point of the metal spring leaf of PCB substrate (5) preformed groove lower part will be inserted into
It is not pressed to the bottom of PCB substrate (5), until left side bending part (1) and right side bending part (2) bottom with PCB substrate (5) respectively
Portion contacts；
(3) it is welded at the position that left side bending part (1) and right side bending part (2) are contacted with PCB substrate (5), realizes metal
The connection of reed and PCB substrate (5) circuit；
(4) after being installed in place the PCB substrate (5) assembled with metal spring leaf, metal spring leaf presses LED electrode (4),
Realize the conducting of entire circuit.
8. a kind of assembly method of special LED electrical connections metal spring leaf according to claim 7, it is characterised in that：
After the left side bending part (1) and right side bending part (2) of the metal spring leaf are inserted into PCB substrate (5) bending, Reflow Soldering was used
Method welding.
9. a kind of assembly method of special LED electrical connections metal spring leaf according to claim 7, it is characterised in that：
Domes (3) in the middle part of the metal spring leaf connect using mechanical compression with the connection type of LED electrode (4) contact site or
It is welded to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710894915.5A CN108571693A (en) | 2017-09-28 | 2017-09-28 | A kind of special LED electrical connections metal spring leaf and its assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710894915.5A CN108571693A (en) | 2017-09-28 | 2017-09-28 | A kind of special LED electrical connections metal spring leaf and its assembly method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108571693A true CN108571693A (en) | 2018-09-25 |
Family
ID=63576277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710894915.5A Pending CN108571693A (en) | 2017-09-28 | 2017-09-28 | A kind of special LED electrical connections metal spring leaf and its assembly method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108571693A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM257072U (en) * | 2004-02-05 | 2005-02-11 | Rira Electronics Corp | Power adaptor structure of EL product with repeated plugging mechanism |
| JP2006202565A (en) * | 2005-01-19 | 2006-08-03 | Smk Corp | Connector socket for electronic component |
| CN101533969A (en) * | 2008-03-14 | 2009-09-16 | 吴智远 | Track-type earthing terminal structure |
| TWM408782U (en) * | 2011-03-08 | 2011-08-01 | Hua Jie Taiwan Corp | Membrane switch |
| CN103572338A (en) * | 2013-11-14 | 2014-02-12 | 贵州振华群英电器有限公司 | Gold plating method for contact and reed of micro relay |
| CN103596803A (en) * | 2011-04-08 | 2014-02-19 | 理想工业公司 | Device for holding a source of LED light |
-
2017
- 2017-09-28 CN CN201710894915.5A patent/CN108571693A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM257072U (en) * | 2004-02-05 | 2005-02-11 | Rira Electronics Corp | Power adaptor structure of EL product with repeated plugging mechanism |
| JP2006202565A (en) * | 2005-01-19 | 2006-08-03 | Smk Corp | Connector socket for electronic component |
| CN101533969A (en) * | 2008-03-14 | 2009-09-16 | 吴智远 | Track-type earthing terminal structure |
| TWM408782U (en) * | 2011-03-08 | 2011-08-01 | Hua Jie Taiwan Corp | Membrane switch |
| CN103596803A (en) * | 2011-04-08 | 2014-02-19 | 理想工业公司 | Device for holding a source of LED light |
| CN103572338A (en) * | 2013-11-14 | 2014-02-12 | 贵州振华群英电器有限公司 | Gold plating method for contact and reed of micro relay |
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