CN203206580U - Broken-circuit-prevention wiring structure of flexible printed circuit board and flexible printed circuit board - Google Patents
Broken-circuit-prevention wiring structure of flexible printed circuit board and flexible printed circuit board Download PDFInfo
- Publication number
- CN203206580U CN203206580U CN 201320194939 CN201320194939U CN203206580U CN 203206580 U CN203206580 U CN 203206580U CN 201320194939 CN201320194939 CN 201320194939 CN 201320194939 U CN201320194939 U CN 201320194939U CN 203206580 U CN203206580 U CN 203206580U
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- circuit board
- flexible circuit
- flexible printed
- circuit
- printed circuit
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Abstract
The utility model discloses the broken-circuit-prevention wiring structure of a flexible printed circuit board and the flexible printed circuit board. According to the wiring structure, rigid elements arranged on the flexible printed circuit board are welded onto the flexible printed circuit board through pins so as to be in circuit connection with the flexible printed circuit board. The pins and pin wiped joints are connected with the flexible printed circuit board in an inner wiring manner. According to the technical scheme of the utility model, the wiped joints are connected with the circuit on the flexible printed circuit board in an inner wiring manner. Due to the adoption of the inner wiring manner, the broken phenomenon of the circuit due to bending can be avoided.
Description
Technical field
The present invention relates to a kind of Wiring structure and flexible circuit board, particularly relate to Wiring structure and flexible circuit board that a kind of flexible circuit board prevents line broken circuit.
Background technology
Flexible circuit board (Flexible Printed Circuit, FPC) is widely used in the occasion that electronic circuit need to bend, on some flexible circuit board, because the needs of function often can weld integrated circuit or other electronic components.Since the electronic component such as integrated circuit be generally can not deformation stiffener, therefore be welded on this class component on the flexible circuit board and when bending, easily occur because bending causes the problem of the line broken circuit of this type of component periphery, therefore usually need to take measures to avoid the line broken circuit problem that causes because of bending in above-mentioned application scenario.
Prior art is usually by carrying out local reinforcement or avoiding the way that stiffener is welded on the flexible circuit board is solved this problem to flexible circuit board.
Wherein the flexible circuit board local reinforcement implementation method can be: because the circuit that is welded on the pad of the element on the flexible circuit board and flexible circuit board is for being rigidly connected, therefore when flexible circuit board bends, this junction is the maximum weighted point, therefore avoids the pad stressed problem that just can avoid circuit to fracture when bending.Said method is pasted reinforcing chip in flexible circuit board welding stiffener position increases flexible circuit board local strength, avoid the inflection point to be in the pad periphery, and the inflection point is extended on the flexible circuit board of extension of reinforcing chip, and flexible circuit plate material itself compares bend resistance, thereby avoids occuring open circuit conditions.
Existing flexible circuit board reinforcing chip is generally glass fibre or steel thin slice, is fixed on the back side of soldered elements position on the flexible circuit board by UV glue.The defective of aforesaid way is: improved production cost, need to have increased the UV glue of the material of reinforcing chip, bonding usefulness, extra bonding process and production equipment etc.; Increased the thickness of flexible circuit board, reduced the installation adaptability of flexible circuit board, the occasion very high in some space requirement can cause restriction to the application of this flexible circuit board; Anti-breaking capability is limited, because after increasing reinforcing chip, the inflection point is concentrated in the reinforcing chip edge during flexible circuit board bending, the circuit of this edge is stressed will to be increased greatly, become new weak link, in the more serious occasion of bending, flexible circuit board still may open circuit in this edge.
The utility model content
The Wiring structure of main purpose of the present utility model for providing a kind of flexible circuit board to prevent line broken circuit promoted the bend resistance performance of flexible circuit board circuit, can avoid circuit to open circuit because of the flexible circuit board bending.
The utility model proposes the Wiring structure that a kind of flexible circuit board prevents line broken circuit, the stiffener of described flexible circuit board setting is welded in described flexible circuit board by pin, with the connection of described flexible circuit board; Wherein, described circuit is connected by inboard cabling mode with the pin pad.
Preferably, described circuit is many, and pad is a plurality of; Many circuits and a plurality of pad are connected respectively, and described connected mode is most or all be inboard cabling.
The utility model also proposes a kind of flexible circuit board that prevents line broken circuit, and described flexible circuit board comprises the stiffener that is provided with pin and the circuit that is connected with the pin of stiffener;
The pin of described stiffener is welded in described flexible circuit board, with the connection of described flexible circuit board; Wherein, described circuit is connected by inboard cabling mode with the pin pad.
Preferably, described circuit is many, and pad is a plurality of; Many circuits and a plurality of pad are connected respectively, and described connected mode is most or all be inboard cabling.
Preferably, described stiffener is integrated circuit, and a plurality of pins are arranged at respectively the both sides of described integrated circuit body.
In the utility model in the flexible circuit board pad of integrated circuit can adopt the mode of inboard cabling, when bending occurs in this flexible circuit board, because the connection point of integrated circuit pad and flexible circuit board is all under the integrated circuit body, because the rigid support effect of integrated circuit itself, the tie point of all pads and circuit can not bent when flexible circuit board is crooked, thereby has avoided the generation of opening circuit.
Description of drawings
Fig. 1 is the wire structures schematic diagram of flexible circuit board in the prior art;
Fig. 2 is the schematic diagram that the utility model one embodiment flexible circuit board prevents the Wiring structure of line broken circuit.
The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
With reference to Fig. 1, it is a double-sided PCB wiring example among the figure, be provided with the pin 11 of stiffener body (such as integrated circuit body 10) and a plurality of stiffeners on this circuit board, these pin 11 positions are the pad of circuit 12 in stiffener and the flexible circuit board, and this pad comprises that A, B etc. are a plurality of.
Owing to extending to the integrated circuit outside, therefore be cabling outside the integrated circuit at the cabling at above-mentioned pad A place; Therefore the cabling at pad B place is the inboard cabling of integrated circuit owing to extending to the integrated circuit inboard.When common flexible circuit board wiring, inboard cabling and outside cabling can be selected at random according to the connected mode of circuit 12, and the form of outside cabling is in the majority usually.Yet, because its pad is for being rigidly connected after stiffener and the flexible circuit board welding, therefore when bending occured flexible circuit board, 13 of the white dashed line positions among the figure were the stress point of hard and soft junction, so circuit herein 12 is the easiest opens circuit because of bending.
Because integrated circuit itself deformation can not occur, therefore opening circuit usually occurs in the welding position of outside cabling, namely among the figure on such pad shown in the pad A.And for the pad category-B position of inboard cabling, because the support of the rigidity of integrated circuit own can't bend the situation that also usually can not open circuit.
Hence one can see that, and flexible circuit board at the whole or most of uses of the cabling of integrated circuit (stiffener) junction and inboard cabling mode like the above-mentioned pad category-B, can be avoided the situation that causes circuit 12 to open circuit owing to the flexible circuit board bending.
With reference to Fig. 2, a kind of flexible circuit board that proposes the utility model one embodiment prevents the Wiring structure of line broken circuit.The stiffener of this flexible circuit board setting can be welded in flexible circuit board by pin 21, is connected with the circuit 22 of flexible circuit board; Wherein, this circuit 22 is connected by inboard cabling mode with the pin pad, and this circuit 22 that namely is connected with pin 21 extends to stiffener (such as integrated circuit) inboard.
Flexible circuit board in the present embodiment can comprise the stiffener that is provided with pin 21 and the circuit 22 that is connected with the pin 21 of stiffener etc.This stiffener can be the rigid electric sub-elements such as integrated circuit, and a plurality of (such as 16 etc.) pin 21 of this integrated circuit is arranged at respectively the both sides of described integrated circuit body 20.Pin 21 numbers of these integrated circuit body 20 both sides can be divided equally setting (respectively arranging 8 such as both sides).
The circuit 22 of above-mentioned flexible circuit board can be many, also can be a plurality of to pad that should circuit 22; Many circuit 22 can be connected respectively with corresponding a plurality of pads, the connected mode most (major part) of this circuit 22 and pad or all be inboard cabling.
In the present embodiment in the flexible circuit board all pads of integrated circuit all adopt the mode of inboard cabling, when bending occurs in this flexible circuit board, because circuit 22 tie points of integrated circuit pad and flexible circuit board are all integrated circuit body 20 times, because the rigid support effect of integrated circuit itself, the tie point of all pads and circuit 22 can not bent when flexible circuit board is crooked, thereby has avoided the generation of opening circuit.Therefore, in being connected of above-mentioned flexible circuit board pad and circuit 22, all (or most of) adopts the mode of inboard wiring also just can avoid owing to bending the problem that causes circuit 22 to open circuit.
The above only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (5)
1. a flexible circuit board prevents the Wiring structure of line broken circuit, it is characterized in that, the stiffener of described flexible circuit board setting is welded in described flexible circuit board by pin, with the connection of described flexible circuit board; Wherein, described circuit is connected by inboard cabling mode with the pin pad.
2. flexible circuit board according to claim 1 prevents the Wiring structure of line broken circuit, it is characterized in that, described circuit is many, and pad is a plurality of; Many circuits and a plurality of pad are connected respectively, and described connected mode is most or all be inboard cabling.
3. a flexible circuit board that prevents line broken circuit is characterized in that, described flexible circuit board comprises the stiffener that is provided with pin and the circuit that is connected with the pin of stiffener;
The pin of described stiffener is welded in described flexible circuit board, with the connection of described flexible circuit board; Wherein, described circuit is connected by inboard cabling mode with the pin pad.
4. the flexible circuit board that prevents line broken circuit according to claim 3 is characterized in that, described circuit is many, and pad is a plurality of; Many circuits and a plurality of pad are connected respectively, and described connected mode is most or all be inboard cabling.
5. according to claim 3 or the 4 described flexible circuit boards that prevent line broken circuit, it is characterized in that, described stiffener is integrated circuit, and a plurality of pins are arranged at respectively the both sides of described integrated circuit body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320194939 CN203206580U (en) | 2013-04-15 | 2013-04-15 | Broken-circuit-prevention wiring structure of flexible printed circuit board and flexible printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320194939 CN203206580U (en) | 2013-04-15 | 2013-04-15 | Broken-circuit-prevention wiring structure of flexible printed circuit board and flexible printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203206580U true CN203206580U (en) | 2013-09-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320194939 Expired - Lifetime CN203206580U (en) | 2013-04-15 | 2013-04-15 | Broken-circuit-prevention wiring structure of flexible printed circuit board and flexible printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203206580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107690225A (en) * | 2017-09-11 | 2018-02-13 | 广东乐芯智能科技有限公司 | A kind of FPC pads bending structure |
-
2013
- 2013-04-15 CN CN 201320194939 patent/CN203206580U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107690225A (en) * | 2017-09-11 | 2018-02-13 | 广东乐芯智能科技有限公司 | A kind of FPC pads bending structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130918 |
|
| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: Shenzhen Leirun Technology Co.,Ltd. Person in charge of patentsThe principal of patent Document name: Notice of Termination of Patent Rights |
|
| DD01 | Delivery of document by public notice |