CN112153808A - Circuit board with flat cable for enhanced connection and connection method thereof - Google Patents
Circuit board with flat cable for enhanced connection and connection method thereof Download PDFInfo
- Publication number
- CN112153808A CN112153808A CN201910529525.7A CN201910529525A CN112153808A CN 112153808 A CN112153808 A CN 112153808A CN 201910529525 A CN201910529525 A CN 201910529525A CN 112153808 A CN112153808 A CN 112153808A
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- China
- Prior art keywords
- flat cable
- circuit board
- film
- circuit
- adhesive
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/148—Arrangements of two or more hingeably connected rigid printed circuit boards, i.e. connected by flexible means
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- 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]
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Insulated Conductors (AREA)
Abstract
The invention relates to a circuit board reinforced and connected by flat cables and a connecting method thereof, in particular to a method for coating adhesive on a temperature-resistant film, then punching or drilling to form hollow, coating the wire on the adhesive surface of the temperature-resistant film, allowing the wire to pass through the hole in a suspended manner to obtain a reinforced circuit hollow flat cable, cutting the flat cable into small sections, attaching a part of the adhesive surface of the flat cable to the end of one end plate of the circuit board, overlapping the metal wire at the hollow position on the bonding pad at the end of one end plate of the circuit board, extending the other part of the flat cable out of the end of the plate, and SMT (surface mount technology) mounting a welding element, connecting one end with flat cable to the other end of another circuit board without flat cable, lapping the extended flat cable on the welding spot on the other circuit board, and then soldering tin to weld the two circuit boards together end to end, and welding the flat cable on the two circuit boards and bridging the gap between the two circuit boards.
Description
Technical Field
The invention relates to the field of circuit boards, in particular to a circuit board with a flat cable for enhanced connection and a connection method thereof.
Background
Generally, after a welding element is mounted on the SMT of a conventional lamp strip circuit board, another lamp strip is connected with the circuit board in an end-to-end welding mode, and the circuit board is prone to breaking at a welding connection position or is prone to breaking when a user uses the circuit board after cutting at a cutting position, and the circuit board is prone to breaking when the cutting position is connected with a connector.
In order to overcome the defects and shortcomings, the invention adopts a flat cable with a hollow enhanced circuit to weld the connecting circuit board, so that the shearing position is enhanced and is not easy to break.
Disclosure of Invention
The invention relates to a circuit board reinforced and connected by flat cables and a connecting method thereof, in particular to a method for coating adhesive on a temperature-resistant film, then punching or drilling to form hollow, coating the wire on the adhesive surface of the temperature-resistant film, allowing the wire to pass through the hole in a suspended manner to obtain a reinforced circuit hollow flat cable, cutting the flat cable into small sections, attaching a part of the adhesive surface of the flat cable to the end of one end plate of the circuit board, overlapping the metal wire at the hollow position on the bonding pad at the end of one end plate of the circuit board, extending the other part of the flat cable out of the end of the plate, and SMT (surface mount technology) mounting a welding element, connecting one end with flat cable to the other end of another circuit board without flat cable, lapping the extended flat cable on the welding spot on the other circuit board, and then soldering tin to weld the two circuit boards together end to end, and welding the flat cable on the two circuit boards and bridging the gap between the two circuit boards.
The invention provides a method for connecting a circuit board reinforced and connected by a flat cable, which comprises the following steps of coating an adhesive on a temperature-resistant film, then punching or drilling to form hollow, coating the wire on the adhesive surface of the temperature-resistant film, allowing the wire to pass through the hole in a suspended manner to obtain a reinforced circuit hollow flat cable, cutting the flat cable into small sections, attaching a part of the flat cable to the end of one end of the circuit board, overlapping the metal wire at the hollow position on the end pad of one end of the circuit board, extending the other part of the flat cable out of the end of the circuit board, SMT (surface mount technology) mounting and welding components, connecting one end with flat cable to the other end of another circuit board without flat cable, lapping the extended flat cable on the welding spot on the other circuit board, and then soldering tin to weld the two circuit boards together end to end, and welding the flat cable on the two circuit boards and bridging the gap between the two circuit boards.
According to the present invention, there is also provided a wiring board with a flat cable for enhanced connection, comprising: the lamp belt circuit boards are connected end to end in multiple sections; an element which is welded on the lamp strip circuit board and comprises an LED lamp; the flat cable is welded at the joint plate; the flat cable is characterized in that the flat cable is lapped at a gap between circuit boards which are connected end to end, gap bridge type welding is formed by pressing the flat cable on the gap, tin is welded on each line of the flat cable and is welded with welding points on the end and the tail of the two circuit boards to form conduction connection, two ends of each flat cable are wrapped below a film, each flat cable is connected together by a plurality of sections of short flat cables which are connected end to end, the number of conducting wires on the flat cable at each end and tail connection position is more than or equal to 2, and the conducting wires are formed by pasting electric wires on a hollowed temperature-resistant glue coating film.
According to a preferred embodiment of the present invention, the flat wire or the round wire or the twisted wire or the braided wire is used as the conductive wire.
According to a preferred embodiment of the present invention, the wiring board reinforced and connected by the flat cable is characterized in that the temperature-resistant film is a PI film or a PET film.
According to a preferred embodiment of the present invention, the wiring board reinforced and connected by the flat cable is characterized in that the reinforcing circuit is adhered by a layer of film with glue and then adhered to the wiring board, the glue on the film at two sides of the reinforcing circuit adheres to the single-sided board, and the single-sided board is fixed on the single-sided board by wrapping the lead.
According to a preferred embodiment of the present invention, the wiring board with the flat cable reinforced connection is characterized in that the reinforced circuit is adhered to the wiring board after the wires are adhered to the wiring board by two layers of films with adhesive, one layer of the film is provided with adhesive on one side, the other layer of the film is provided with adhesive on both sides, or one layer of the film is provided with no adhesive, the other layer of the film is provided with adhesive on both sides, or both the two layers of the films are provided with adhesive on one side.
The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below.
Drawings
The features, objects, and advantages of the present invention will become more apparent from the description set forth below when taken in conjunction with the drawings, a brief description of which follows.
Fig. 1 is a schematic plan view of a reinforcing circuit hollow flat cable.
Fig. 2 is a schematic plan view of the lamp strip circuit board.
Fig. 3 is a schematic plan view of a reinforcing circuit hollowed-out flat cable adhered to the end of one end of the lamp strip circuit board.
Fig. 4 is a schematic plane diagram of an end of one end of the lamp strip circuit board with a hollow reinforcing circuit flat cable adhered thereon and an LED lamp welded by SMT.
Fig. 5 is a schematic plan view of a plurality of lamp strip circuit boards welded with LED lamps, wherein the head and tail connection boards are welded together through a reinforcing circuit hollow flat cable.
Detailed Description
The present invention will be described in detail below by taking preferred embodiments as examples.
It will be understood by those skilled in the art that the following descriptions are provided for purposes of illustration and description of certain preferred embodiments only and are not intended to limit the scope of the present invention.
The method comprises the steps of punching a hollowed window 1.2 on a punch press by using a designed and manufactured die for a PI film 1.1 with one surface coated with glue, placing a plurality of rolls of parallel wires 1.3 on a pay-off rack of a wire covering machine, positioning and arranging the parallel wires and the PI film 1.1 coated with the glue through a spacing rod die arranged on the wire covering machine, adhering the parallel wires and the PI film together in a covering mode, suspending the wires 1.3 at the hollowed window 1.2 to manufacture a hollowed-out flat cable of the reinforced circuit, and then cutting the hollowed-out flat cable into small sections (shown in figure 1).
The lamp strip circuit board (as shown in figure 2) is manufactured by adopting a traditional circuit board manufacturing process and carrying out processes of silk-screen printing of circuit anti-corrosion ink, baking and curing, etching, film stripping, pasting of a cover film with a pad window on the front surface, pressing, baking, character and the like on a single-sided flexible copper-clad plate, wherein a mark 2.1 is a circuit of the lamp strip circuit board, a mark 2.2 is an element pad, and a mark 2.3 is a connecting plate pad at a cutting position.
On the end fishplate bar pad 2.3 of one end of the lamp area circuit board, which side of the PI film 1.1 of a small section of the enhanced circuit hollow flat cable is coated with glue, one part of the PI film is attached to the fishplate bar pad 2.3 in an aligning way, the other part of the enhanced circuit hollow flat cable extends out of the end of the plate, and the lamp area circuit board with one end attached with a small section of the enhanced circuit hollow flat cable is manufactured through pressing, baking and curing and OSP anti-oxidation surface treatment, wherein the end of the lamp area circuit board is attached with a small section of the.
The method comprises the steps of printing solder paste on an element bonding pad 2.2 of a circuit board by using a steel mesh on a solder paste printing machine by using a traditional SMT (surface mount technology), correspondingly mounting LED lamp beads 3 and resistors 4 on the bonding pad 2.2 printed with the solder paste, welding EED lamp beads 3 and the resistors 4 on a lamp strip circuit board through reflow soldering (as shown in figure 4), overlapping a plurality of lamp strip circuit boards welded with the EED lamp beads 3 and the resistors 4 in a way of tail, connecting one end with a flat cable to the other end without the flat cable, lapping the extended flat cable on a connecting plate bonding pad 2.3 on the other circuit board, then welding the two lamp strip circuit boards together in a way of head and tail, welding the flat cable on the two circuit boards, and lapping the flat cable at a gap between the two circuit boards in a bridging way (as shown in figure 5), so as to manufacture the circuit board which is reinforced and connected by the flat cable.
The invention adopts a flat cable with a hollow enhanced circuit to weld the connecting circuit board, so that the shearing position is enhanced and is not easy to break.
The present invention has been described in detail with reference to the accompanying drawings, which illustrate an exemplary embodiment of a wiring board with enhanced connections by means of flex cables. It will be understood by those skilled in the art, however, that the foregoing is merely illustrative and descriptive of some specific embodiments and is not to be construed as limiting the scope of the invention, especially the scope of the claims.
Claims (6)
1. A method for connecting circuit board with flat cable reinforced connection includes coating adhesive on the heat-resistant film, then punching or drilling to form hollow, coating the wire on the adhesive surface of the temperature-resistant film, allowing the wire to pass through the hole in a suspended manner to obtain a reinforced circuit hollow flat cable, cutting the flat cable into small sections, attaching a part of the flat cable to the end of one end of the circuit board, overlapping the metal wire at the hollow position on the end pad of one end of the circuit board, extending the other part of the flat cable out of the end of the circuit board, SMT (surface mount technology) mounting and welding components, connecting one end with flat cable to the other end of another circuit board without flat cable, lapping the extended flat cable on the welding spot on the other circuit board, and then soldering tin to weld the two circuit boards together end to end, and welding the flat cable on the two circuit boards and bridging the gap between the two circuit boards.
2. A wiring board with flex cable enhanced connections, comprising:
the lamp belt circuit boards are connected end to end in multiple sections;
an element which is welded on the lamp strip circuit board and comprises an LED lamp;
the flat cable is welded at the joint plate;
the flat cable is characterized in that the flat cable is lapped at a gap between circuit boards which are connected end to end, gap bridge type welding is formed by pressing the flat cable on the gap, tin is welded on each line of the flat cable and is welded with welding points on the end and the tail of the two circuit boards to form conduction connection, two ends of each flat cable are wrapped below a film, each flat cable is connected together by a plurality of sections of short flat cables which are connected end to end, the number of wires on the flat cable at each end-to-end connection position is more than or equal to 2, and the flat cable is formed by adhering the wires on a hollowed temperature-resistant glue coating film.
3. The wiring board of claim 1 or 2, wherein the conductive wires are flat wires, round wires, stranded wires, or braided wires.
4. The wiring board of claim 1 or 2, wherein the temperature-resistant film is a PI film or a PET film.
5. The wiring board of claim 1 or 2, wherein the reinforcing circuit is adhered by a film with adhesive, and then adhered to the wiring board, and the adhesive on the film on both sides of the reinforcing circuit adheres to the single-sided board, and wraps and fixes the wires on the single-sided board.
6. The circuit board of claim 1 or 2, wherein the enhancement circuit is adhered to the circuit board after the wires are wrapped by two layers of films with adhesive, one layer of film is provided with adhesive, the other layer of film is provided with adhesive on both sides, or one layer of film is provided with no adhesive, the other layer of film is provided with adhesive on both sides, or both the two layers of films are provided with adhesive on one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529525.7A CN112153808A (en) | 2019-06-10 | 2019-06-10 | Circuit board with flat cable for enhanced connection and connection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910529525.7A CN112153808A (en) | 2019-06-10 | 2019-06-10 | Circuit board with flat cable for enhanced connection and connection method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112153808A true CN112153808A (en) | 2020-12-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910529525.7A Pending CN112153808A (en) | 2019-06-10 | 2019-06-10 | Circuit board with flat cable for enhanced connection and connection method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN112153808A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799388A (en) * | 2022-04-15 | 2022-07-29 | 深圳市子轩光电子科技有限公司 | Horizontal welding process for bridging flexible lamp strip |
-
2019
- 2019-06-10 CN CN201910529525.7A patent/CN112153808A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799388A (en) * | 2022-04-15 | 2022-07-29 | 深圳市子轩光电子科技有限公司 | Horizontal welding process for bridging flexible lamp strip |
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