CN207364951U - A kind of high intensity LED car lamp connection structure - Google Patents
A kind of high intensity LED car lamp connection structure Download PDFInfo
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- CN207364951U CN207364951U CN201721394557.3U CN201721394557U CN207364951U CN 207364951 U CN207364951 U CN 207364951U CN 201721394557 U CN201721394557 U CN 201721394557U CN 207364951 U CN207364951 U CN 207364951U
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- light source
- stiffening plate
- led light
- flexible pcb
- sided
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Abstract
The high intensity LED car lamp connection structure of the utility model, LED light source flexible PCB and connector are connected by two-sided stiffening plate transition, connector is improved to horizontal plug-in type by surface patch weldering type, it is welded and fixed after coordinating grafting by the pin holes of pin and two-sided stiffening plate, it is possible to increase the drawing dynamics that connector can be born；Two-sided 4 glass-epoxy copper-clad plates of stiffening plate material selection FR, and some dissipating vias are set, there is superior heat conductivility, good heat dissipation effect；LED light source flexible PCB length reduction, can reduce production cost.
Description
Technical field
It the utility model is related to a kind of high intensity LED car lamp connection structure.
Background technology
As scientific technological advance and new energy promote and apply, the illuminator in automobile manufacturing field progressively uses
With specular removal, the halogen lamp that service life is long, good reliability LED solid state lightings substitution is original, xenon lamp；LED automobile
Lamps and lanterns have the various profiled shapes such as annular, spoon shape, and the circuit board of LED lamp need to have respective shapes, to ensure to be electrically connected
Reliably；LED lamp using can arbitrarily bending FPC flexible PCBs come adapt to abnormity, curve form, more complicated moulding
The FPC of polylith need to be used to be connected with each other combination to form, connected between polylith FPC difficult；Traditional FPC is generally welded by conducting wire to be connected
Connect, plate and plate being directly welded to connect or connected using the higher FPC connector of precision, temperature rise, connection effect is bad, performance
It is unstable, it is with high costs；Reinforcement of the aluminum substrate as FPC is used in the prior art, its heat dissipation performance is high with support strength, with aluminium
The FPC that substrate coordinates is single sided board technique, can only adapt to the connector body of surface patch weldering, aluminum substrate reinforcement passes through two-sided gluing
It is fixedly connected after closing FPC by riveting process with lamp assembly, by harness and connector body to inserting reality between polylith FPC
Now it is electrically connected, since the techniques such as the tin cream of surface patch weldering, Reflow Soldering go wrong, many connectors can come off in test,
Cause electrical connection open circuit；Although adding tin to increase bonding strength by repair welding or to connector, needed after repair welding pair
Repair welding position carries out cleaning treatment, and artificial uncertain factor is more, low production efficiency；FPC contacts are increased by porous connector
Number of pads dials intensity to improve the tension of connector, and component space is limited, with high costs.
The content of the invention
Technical problem to be solved in the utility model, which is to provide one kind, can improve FPC tension group intensity, heat conductivility
Good, of low cost high intensity LED car lamp connection structure.
The high intensity LED car lamp connection structure of the utility model, including LED light source flexible PCB, it is characterised in that：
Lower section is provided with two-sided stiffening plate in the middle part of LED light source flexible PCB, and rivet hot hole is provided with LED light source flexible PCB, double
Face stiffening plate one end is stretched into below LED light source flexible PCB, and is provided with and rivet hot hole position on LED light source flexible PCB
Put, the corresponding through hole of shape, the two-sided stiffening plate other end is the outer end for stretching out LED light source flexible PCB；LED light source is flexible
Electric wiring tie point on circuit board is located in the middle part of LED light source flexible PCB, and outwardly to LED light source flexible circuit
Plate outside edges；Electric transition connection section is provided with the middle part of two-sided stiffening plate, electric transition connection section one end is flexible with LED light source
Electric connecting point connection outside board edge, the other end are located at two-sided stiffening plate outer end and are provided with pin holes；Connector
Bottom is provided with pin, and connector inserting pin coordinates grafting with two-sided stiffening plate pin holes, and is consolidated by welding with two-sided stiffening plate
Fixed connection；Tail portion of connector is provided with the harness that can be connected with adjacent flexible circuit board；
Bending is to passing through welding and two-sided stiffening plate after 90 ° after the connector inserting pin and two-sided stiffening plate pin holes grafting
It is fixedly connected；
The two-sided stiffening plate is provided with some dissipating vias with LED light source flexible PCB contact site；
The two-sided stiffening plate passes through double faced adhesive tape cemented in place with LED light source flexible PCB；
Electrically transition connection section and the electric connecting point of the soft circuit board of LED light source are fixedly connected by welding；
The two-sided reinforcement plate material is one of FR-4 epoxy glass cloth laminated boards or glass-epoxy copper-clad plate.
The high intensity LED car lamp connection structure of the utility model, LED light source flexible electrical is connected by two-sided stiffening plate transition
Road plate and connector, connector are improved to horizontal plug-in type by surface patch weldering type, pass through the pin holes of pin and two-sided stiffening plate
It is welded and fixed after coordinating grafting, it is possible to increase the drawing dynamics that connector can be born；Two-sided stiffening plate material selection FR-4 glass
Fibrous epoxy resin copper-clad plate, and some dissipating vias are set, there is superior heat conductivility, good heat dissipation effect；LED light source is soft
Property circuit board length reduction, can reduce production cost.
Brief description of the drawings
Fig. 1 is the high intensity LED car lamp connection structure connection pre-structure schematic diagram of the utility model embodiment；
Fig. 2 is structure diagram after the high intensity LED car lamp connection structure of the utility model embodiment connects；
Fig. 3 is the high intensity LED car lamp connection structure connector construction schematic diagram of the utility model；
Fig. 4 is the left view of Fig. 3；
Fig. 5 is the right view of Fig. 3.
Embodiment
As shown in the figure, a kind of high intensity LED car lamp connection structure, including LED light source flexible PCB 1, LED light source are flexible
The middle part of circuit board 1 lower section is provided with two-sided stiffening plate 2, and rivet hot hole, two-sided stiffening plate 2 are provided with LED light source flexible PCB 1
The lower section of LED light source flexible PCB 1 is stretched into one end, and is provided with and rivet hot hole site, shape on LED light source flexible PCB 1
Corresponding through hole 12, after the through hole 12 of two-sided stiffening plate 2 is directed at positioning with the rivet hot hole on LED light source flexible PCB 1, leads to
Cross adhered by double sided plaster positioning；Two-sided 2 other end of stiffening plate is the outer end for stretching out LED light source flexible PCB 1；LED light source is flexible
Electric wiring tie point on circuit board 1 is located at the middle part of LED light source flexible PCB 1, and outwardly to LED light source flexible electrical
1 outside edges of road plate；The two-sided middle part of stiffening plate 2 is provided with electric transition connection section, two-sided stiffening plate 2 and LED light source flexible electrical
After the bonding positioning of road plate 1, electric transition connection section one end and the electric connecting point of 1 outside edges of LED light source flexible PCB connect
Connect, and be fixedly connected by the pad solder of connecting portion, electrical connection is reliable；6 bottom of light guide assembly of automobile lamp has
Rivet hot column, rivet hot column are inserted into rivet hot hole on LED light source flexible PCB 1, are fixed on two-sided stiffening plate 2 after through hole 12 by rivet hot
Connection, forms rivet hot binding site, the rivet hot column and two-sided stiffening plate 2, LED light source flexible electrical that automobile lamp passes through light guide assembly 6
Road plate 1 is fixedly connected at the same time, is conducted electricity very well；Two-sided 2 other end of stiffening plate is located at two-sided 2 outer end of stiffening plate and is provided with pin
Hole, 3 bottom of connector are provided with pin, and 3 pin of connector coordinates grafting with two-sided 2 pin holes of stiffening plate, and by welding shape
It is fixedly connected into electric pad 9 with two-sided stiffening plate 2, realizes that electrical connection provides power supply for the light guide assembly 6 of automobile lamp；
3 afterbody of connector is provided with the harness 8 that can be connected with adjacent flexible circuit board or power supply, realizes that power supply is electrically connected by linear speed 8
Connect.
Further, after 3 pin of connector and two-sided 2 pin holes grafting of stiffening plate bending to after 90 ° by welding with it is double
Face stiffening plate 2 is fixedly connected, and further improves connection reliability.
One of two-sided 2 material selection FR-4 epoxy glass cloth laminated boards of stiffening plate or glass-epoxy copper-clad plate,
And two-sided stiffening plate 2 and 1 contact site of LED light source flexible PCB are provided with some dissipating vias 11, pass through dissipating vias
11 improve heat dissipation performance so that epoxy glass cloth laminated board or glass-epoxy copper-clad plate are with identical with aluminum substrate
Heat conductivility, radiating rate is fast, and temperature rise is low during normal use.
1) the drawing dynamics that connector can be born is improved；
2) heat conductivility of aluminum substrate is realized with FR-4 plates；
3) FPC length reductions, can reduce product cost.
The high intensity LED car lamp connection structure of the utility model, LED light source flexible electrical is connected by two-sided stiffening plate transition
Road plate and connector, connector are improved to horizontal plug-in type by surface patch weldering type, pass through the pin holes of pin and two-sided stiffening plate
It is welded and fixed after coordinating grafting, it is possible to increase the drawing dynamics that connector can be born；Two-sided stiffening plate material selection FR-4 glass
Fibrous epoxy resin copper-clad plate, and some dissipating vias are set, there is superior heat conductivility, good heat dissipation effect；LED light source is soft
Property circuit board length reduction, can reduce production cost.
The high intensity LED car lamp connection structure of the utility model, main innovation point have：
1) connector is changed to horizontal plug-in type by original surface patch weldering type；
2) FPC reinforcement is changed to FR-4 double sided timbers by aluminum substrate；
3) FPC length does appropriate reduction, and places pad at board edge and be used as electrical connection.
Specifically, component 1 represents LED light source FPC, and component 2 represents the two-sided stiffening plates of FR-4, and component 3,4,5 represents respectively
Side, the back side and the front view of horizontal plug-in connector, component 6 represent lamps and lanterns light guide assembly, component 7 represent FPC with
FPR-4 welds, component 8 represent rat tail, and component 9 represents connector in the electric pad of stiffening plate bottom surface, component 10
Represent the rivet hot binding site of light guide assembly and stiffening plate, component 11 represents the dissipating vias placed on stiffening plate, and component 12 represents
Reserved rivet hot column through hole.
LED light source FPC and the two-sided stiffening plates of FR-4 each reserve rivet hot column through hole, by two-sided gluing behind alignment hole position
Close, then the pad solder that FPC and stiffening plate are each reserved realizes electrical connection, then horizontal plug-in connector is welded to reinforcement
On plate, this completes the assembling of all parts, finally the mutual of FPC and other FPC or wiring board is realized using harness
Connection.
In vibration test, the pulling capacity suffered by harness will be undertaken by plug-in connector, patch weldering formula connector institute stress
The contact pad that will be distributed on FPC, these pads are easy to be pullled；Plug-in type connector institute stress will be welded by quarter bend
Pin undertake, what the thiner pad of the drawing dynamics of pin will be big is more, therefore the drawing dynamics raising integrally born.
Reinforcement is changed to the purposes of FR-4 dual platens also for meeting horizontal plug-in connector by original aluminum substrate
It is fixed to require, because aluminum substrate can not meet two-sided via process.The good thermal conductivity factor of aluminum substrate can provide fine to LED
Sinking path, if converted to FR-4 stiffening plates, it is necessary to solve heat dissipation problem.Therefore, on stiffening plate by many heat conducting vias,
These via techniques are to being very ripe technique for dual platen, heat conducting vias is as shown in component 11.
The high intensity LED car lamp connection structure advantage of the utility model is：
1) replace original patch to weld formula connector with plug-in type connector, improve pull strength；
2) FR-4 plates are used as to the supporting plane of plug-in type connector fixation, while are dissipated similar in offer and aluminum substrate
Thermal environment；
3) connector that FPC surfaces are originally welded in by patch realizes electrical connection, passes through FPC and FR-4 welding knots now
The mode of conjunction realizes electrical connection.
Claims (6)
1. a kind of high intensity LED car lamp connection structure, including LED light source flexible PCB（1）, it is characterised in that：LED light source is soft
Property circuit board（1）Two-sided stiffening plate is provided with below middle part（2）, LED light source flexible PCB（1）On be provided with rivet hot hole, it is double
Face stiffening plate（2）LED light source flexible PCB is stretched into one end（1）Lower section, and be provided with and LED light source flexible PCB（1）On
Rivet hot hole site, the corresponding through hole of shape（12）, two-sided stiffening plate（2）The other end is stretching LED light source flexible PCB（1）
Outer end；LED light source flexible PCB（1）On electric wiring tie point be located at LED light source flexible PCB（1）Middle part, and
It is outwardly to LED light source flexible PCB（1）Outside edges；Two-sided stiffening plate（2）Middle part is provided with electric transition connection section,
Electric transition connection section one end is connected with the electric connecting point of LED light source flexible PCB outside edges, and the other end is positioned at two-sided
Stiffening plate outer end is simultaneously provided with pin holes；Connector（3）Bottom is provided with pin, connector（3）Pin and two-sided stiffening plate（2）
Pin holes coordinate grafting, and pass through welding and two-sided stiffening plate（2）It is fixedly connected；Connector（3）Afterbody is provided with can be with phase
The harness of adjacent flexible PCB connection（8）.
2. high intensity LED car lamp connection structure according to claim 1, it is characterised in that：The connector（3）Pin with it is double
Face stiffening plate（2）Bending is to passing through welding and two-sided stiffening plate after 90 ° after pin holes grafting（2）It is fixedly connected.
3. high intensity LED car lamp connection structure according to claim 1, it is characterised in that：The two-sided stiffening plate（2）With
LED light source flexible PCB（1）Contact site is provided with some dissipating vias（11）.
4. high intensity LED car lamp connection structure according to claim 1, it is characterised in that：The two-sided stiffening plate（2）With
LED light source flexible PCB（1）Pass through double faced adhesive tape cemented in place.
5. high intensity LED car lamp connection structure according to claim 1, it is characterised in that：It is described electrically transition connection section with
The soft circuit board of LED light source（1）Electric connecting point be fixedly connected by welding.
6. high intensity LED car lamp connection structure according to claim 1, it is characterised in that：The two-sided stiffening plate（2）Material
For one of FR-4 epoxy glass cloth laminated boards or glass-epoxy copper-clad plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721394557.3U CN207364951U (en) | 2017-10-26 | 2017-10-26 | A kind of high intensity LED car lamp connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721394557.3U CN207364951U (en) | 2017-10-26 | 2017-10-26 | A kind of high intensity LED car lamp connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207364951U true CN207364951U (en) | 2018-05-15 |
Family
ID=62421304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721394557.3U Expired - Fee Related CN207364951U (en) | 2017-10-26 | 2017-10-26 | A kind of high intensity LED car lamp connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207364951U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109905962A (en) * | 2019-04-09 | 2019-06-18 | 苏州维信电子有限公司 | A kind of flexible circuitry board manufacturing method having plug-in element |
| CN110778972A (en) * | 2019-06-14 | 2020-02-11 | 浙江零跑科技有限公司 | Bus-based automobile LED matrix headlamp controller |
-
2017
- 2017-10-26 CN CN201721394557.3U patent/CN207364951U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109905962A (en) * | 2019-04-09 | 2019-06-18 | 苏州维信电子有限公司 | A kind of flexible circuitry board manufacturing method having plug-in element |
| CN110778972A (en) * | 2019-06-14 | 2020-02-11 | 浙江零跑科技有限公司 | Bus-based automobile LED matrix headlamp controller |
| CN110778972B (en) * | 2019-06-14 | 2021-12-21 | 浙江零跑科技股份有限公司 | Bus-based automobile LED matrix headlamp controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20211026 |