CN209767909U - Waterproof FPC flexible circuit board for touch-sensitive screen based on rapid-curing cutback encapsulation - Google Patents
Waterproof FPC flexible circuit board for touch-sensitive screen based on rapid-curing cutback encapsulation Download PDFInfo
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- CN209767909U CN209767909U CN201822176263.4U CN201822176263U CN209767909U CN 209767909 U CN209767909 U CN 209767909U CN 201822176263 U CN201822176263 U CN 201822176263U CN 209767909 U CN209767909 U CN 209767909U
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Abstract
The utility model relates to the technical field of touch screens, in particular to a waterproof FPC flexible circuit board for touch screens based on quick-drying packaging, which comprises a first flexible connecting part, a control mainboard and a second flexible connecting part, wherein one end of the control mainboard is connected with the first flexible connecting part, and the other end of the control mainboard is connected with the second flexible connecting part; the utility model discloses coating the encapsulation of rapid-curing cutback glue on the pin of control chip cartridge, playing the guard action to control chip, the protection is effectual, prevents that things such as liquid, gas from getting into the pin inside, improves the steadiness and the life of assembly.
Description
Technical Field
The utility model relates to a touch-sensitive screen technical field especially relates to a waterproof FPC flexible circuit board for touch-sensitive screen based on rapid-curing cutback encapsulation.
Background
The touch screen is input equipment which obviously improves a man-machine operation interface and has the advantages of intuition, simplicity and quickness. Touch screens have found widespread use in many electronic products, such as cell phones, PDAs, multimedia, public information query systems, and the like. In the past, various types of touch screens have been emerging, including resistive, capacitive, infrared, and surface acoustic wave touch screens.
Generally, a capacitive touch screen uses a transparent conductive film in the touch screen as one electrode of a capacitor, a finger of a human body as the other electrode of the capacitor, when the finger approaches or contacts the surface of the touch screen, the finger couples with the touch screen to form a new capacitor, a controller of the touch screen calculates position coordinates (X, Y) of a contact point by measuring changes of the capacitor, and finally, a host interprets and executes a corresponding event according to the position coordinates (X, Y) provided by the controller. In the past, due to the limitations of structure and driving cost, and the defects of touch distortion and the like, the application range of the capacitive touch screen is very narrow, and the resistive touch screen is the most popular touch screen technology in the market. The resistive touch screen realizes an input function by utilizing the change of an electric signal of a system caused by the contact of an upper conducting layer and a lower conducting layer caused by the action of pressure. Recently, capacitive touch screens have been increasingly developed due to continuous improvements in structure and signal processing technology. In these neotype capacitive touch screen, because the flexible conductive film and the complex construction that have got rid of the resistive screen have adopted different touch-control modes, show better performance, for example, do not have mechanical motion wearing and tearing problem in the screen, simple structure, luminousness height, linearity are good moreover, prevent dust, prevent fires, prevent scraping, even also have stable performance etc. in the worst environment. Another advantage of the capacitive touch screen is that it can implement a multi-touch function, i.e. a user can input multi-touch signals simultaneously through the capacitive touch screen, and implement a multi-touch simultaneous operation to complete a specific action, such as zooming in, zooming out, rotating, etc.
In the touch-sensitive screen is connected, the transmission signal is connected to FPC flexible circuit board to the indispensable needs use, and FPC flexible circuit board among the prior art in use is generally only simple welded fastening to the chip, does not further consolidate, leads to the chip pin to corrode easily and leads to the chip short circuit to damage scheduling problem to exist and need solve.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a coating fast dry glue encapsulation on the pin of control chip cartridge, playing the guard action to control chip, the protection is effectual, prevents that things such as liquid, gas from getting into the pin inside, improves the steadiness of assembly and life's waterproof FPC flexible circuit board for touch-sensitive screen based on fast dry encapsulation.
The utility model provides a waterproof FPC flexible circuit board for touch-sensitive screen based on fast dry encapsulation, including first flexonics portion, control mainboard and second flexonics portion, control mainboard one end links to each other with first flexonics portion, and the other end links to each other with second flexonics portion, the control mainboard includes the base, laminates in the base and with the circuit piece that first flexonics portion and second flexonics portion link to each other, the cartridge has a plurality of control chip on the circuit piece, control chip inserts and establishes the encapsulation of circuit piece position coating fast dry glue.
The scheme is further improved in that the outer surfaces of the first flexible connecting part and the second flexible connecting part are coated with protective black glue.
The further improvement of the scheme is that the first flexible connecting part is provided with a connecting contact for being connected with the touch screen, and a pull groove is arranged close to the connecting contact.
The further improvement of the scheme is that the second flexible connecting part is provided with a plug, and a reinforcing sheet is arranged on the plug.
The further improvement of the scheme is that the base is a metal conductive base, and an insulating film is arranged on one side, close to the circuit chip, of the base to isolate the circuit chip.
The further improvement of the scheme is that the base is attached with conductive cloth on the side deviating from the circuit piece, and the conductive cloth is connected with the circuit piece through the base.
The further improvement to the above scheme is that the conductive cloth is provided with viscose on the surface deviating from the base.
The utility model has the advantages that:
On the first hand, the first flexible connecting part, the control main board and the second flexible connecting part are arranged, the flexible connecting part is a flexible circuit board, in actual use, the flexible circuit board is connected with the touch screen through the first flexible connecting part, the control main board is used for controlling connection, and the second flexible connecting part is used for connecting a load, so that the connecting effect is good, and the control effect is good; in the second aspect, the first flexible connecting part and the second flexible connecting part are respectively connected to two ends of the control main board, so that the connection conversion effect is realized, the connection effect is good, and the signal conversion effect is good; in a third aspect, the control main board is provided with a base and a circuit piece, specifically, the circuit piece is connected with the first flexible connecting part and the second flexible connecting part, the fixed connection effect of the circuit piece is enhanced through the base, the use strength is improved, and the fixed installation and use are convenient; in the fourth aspect, a control chip is inserted on the circuit board, and the control chip plays a role in information conversion and control on the connection data transmission of the utility model, so that the control effect is good, the connection is convenient, and the signal transmission efficiency is high; in the fifth aspect, the control chip is provided with a plurality of pins which are inserted into the circuit board, particularly, the positions of the pins are coated with quick-drying glue for packaging, so that the connecting position of the control chip is protected, the control chip is prevented from being damaged by liquid, gas and other objects entering the positions of the pins, the connecting effect of the control chip and the circuit board is improved, and meanwhile, the service life of the control chip is also prolonged.
The utility model discloses in, the encapsulation is glued to the fast drying on the pin of control chip cartridge, plays the guard action to control chip, and the protection effect is good, prevents that things such as liquid, gas from getting into inside the pin, improves the steadiness and the life of assembly.
Drawings
Fig. 1 is a schematic front view of the present invention;
Fig. 2 is a schematic structural diagram of the present invention.
Description of reference numerals: the flexible printed circuit board comprises an FPC (flexible printed circuit) 10, a first flexible connecting part 100, protective black glue 110, connecting contacts 120, a pull groove 130, a control main board 200, a base 210, a circuit chip 220, a control chip 221, quick-drying glue 222, conductive cloth 230, adhesive 231, a second flexible connecting part 300, a plug 310 and a reinforcing sheet 320.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1-2, a waterproof FPC flexible circuit board 10 for a touch screen based on quick-dry packaging includes a first flexible connecting portion 100, a control main board 200 and a second flexible connecting portion 300, one end of the control main board 200 is connected to the first flexible connecting portion 100, the other end is connected to the second flexible connecting portion 300, the control main board 200 includes a base 210, and a circuit board 220 attached to the base 210 and connected to the first flexible connecting portion 100 and the second flexible connecting portion 300, a plurality of control chips 221 are inserted into the circuit board 220, and the control chips 221 are packaged by inserting quick-dry glue 222 at positions of the circuit board 220.
The protective black glue 110 is coated on the outer surfaces of the first flexible connecting portion 100 and the second flexible connecting portion 300, the protective black glue 110 protects circuits in the first flexible connecting portion 100 and the second flexible connecting portion 300, interference is prevented, stability of signal transmission is improved, rubbing and rubbing are prevented from occurring, breaking is prevented, and the protective effect is good.
First flexible connection portion 100 is provided with and is used for the connection contact 120 be connected with the touch-sensitive screen, is close to connection contact 120 and sets up draw groove 130, sets up connection contact 120 and is used for being connected with the touch-sensitive screen, realizes electrically conductive touch-control effect, and the connection effect is good, sets up draw groove 130 and can improve whole pliability to improve the effect of bending and the degree of rolling over resistant.
The second flexible connecting portion 300 is provided with a plug 310, the plug 310 is provided with a reinforcing sheet 320, the plug 310 is used for plugging a load to be electrically connected, the use strength of the plug 310 is enhanced through the reinforcing sheet 320, and the plugging stability is improved.
Base 210 is the electrically conductive base of metal 210, and it sets up insulating film 240 near the one side of circuit piece 220 and keeps apart circuit piece 220, adopts the electrically conductive base of metal 210, realizes electrically conductive effect, conveniently derives static, and electrically conducts effectually, and position insulating film 240 plays insulating protective action in addition, and the protection is effectual.
Electrically conductive cloth 230 deviates from base 210 one side and sets up viscose 231, through setting up viscose 231 and conveniently bonding electrically conductive cloth 230 fixed the use, the bonding is convenient, practical reliable.
Base 210 deviates from the laminating of circuit piece 220 one side and has electrically conductive cloth 230, electrically conductive cloth 230 links to each other with circuit piece 220 through base 210, can derive static through electrically conductive cloth 230, improves the stability of chip to signal processing, can connect the electricity with electrically conductive cloth 230 effect ground wire to use simultaneously, has saved the trouble of external tapping, has improved the practicality greatly and has saved installation space.
On the first hand, the first flexible connecting part 100, the control main board 200 and the second flexible connecting part 300 are arranged and are flexible circuit boards, in actual use, the first flexible connecting part 100 is connected with the touch screen, the control main board 200 is used for connecting and controlling, and the second flexible connecting part is used for connecting loads, so that the connecting effect is good, and the control effect is good; in the second aspect, the first flexible connecting part 100 and the second flexible connecting part 300 are respectively connected to two ends of the control main board 200, so that the connection conversion function is realized, the connection effect is good, and the signal conversion effect is good; in a third aspect, the control motherboard 200 is provided with a base 210 and a circuit board 220, specifically, the circuit board 220 is connected with the first flexible connecting portion 100 and the second flexible connecting portion 300, and the base 210 enhances the fixed connection effect of the circuit board 220, so that the use strength is improved, and the fixed installation and use are facilitated; in the fourth aspect, the control chip 221 is inserted on the circuit chip 220, and the control chip 221 plays a role in information conversion and control on the connection data transmission of the utility model, so that the control effect is good, the connection is convenient, and the signal transmission efficiency is high; in the fifth aspect, the control chip 221 is provided with a plurality of pins inserted into the circuit chip 220, specifically, the pins are coated with the quick-drying adhesive 222 for packaging, so that the connection position of the control chip 221 is protected, the control chip 221 is prevented from being damaged by liquid, gas and other substances entering the pins, the connection effect of the control chip 221 and the circuit chip 220 is improved, and the service life of the control chip 221 is also prolonged.
The utility model discloses in, coating the fast dry glue 222 encapsulation on the pin of control chip 221 cartridge, playing the guard action to control chip 221, the protection is effectual, prevents that things such as liquid, gas from getting into the pin inside, improves the steadiness and the life of assembly.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. The utility model provides a waterproof FPC flexible circuit board for touch-sensitive screen based on rapid-curing cutback encapsulation which characterized in that: including first flexible connecting portion, control mainboard and second flexible connecting portion, control mainboard one end links to each other with first flexible connecting portion, and the other end links to each other with second flexible connecting portion, the control mainboard includes the base, laminates in the base and with the circuit piece that first flexible connecting portion and second flexible connecting portion link to each other, the cartridge has a plurality of control chip on the circuit piece, control chip inserts and establishes the encapsulation of circuit piece position coating rapid-curing cutback glue.
2. The waterproof FPC flexible circuit board for touch screen based on quick drying package of claim 1, wherein: and protective black glue is coated on the outer surfaces of the first flexible connecting part and the second flexible connecting part.
3. The waterproof FPC flexible circuit board for the touch screen based on the quick drying package of claim 2, wherein: the first flexible connecting portion is provided with a connecting contact for being connected with the touch screen, and a pull groove is formed close to the connecting contact.
4. The waterproof FPC flexible circuit board for touch screen based on quick drying package of claim 3, wherein: the second flexible connecting part is provided with a plug-in connector, and a reinforcing sheet is arranged on the plug-in connector.
5. The waterproof FPC flexible circuit board for the touch screen based on the quick drying package of claim 4, wherein: the base is a metal conductive base, and an insulating film is arranged on one surface of the base, which is close to the circuit chip, so that the circuit chip is isolated.
6. The waterproof FPC flexible circuit board for a touch screen based on quick drying package of claim 5, wherein: the base deviates from the laminating of circuit piece one side and has electrically conductive cloth, electrically conductive cloth passes through the base and links to each other with the circuit piece.
7. The waterproof FPC flexible circuit board for the touch screen based on the quick drying package of claim 6, wherein: the conducting cloth deviates from one surface of the base and is provided with viscose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822176263.4U CN209767909U (en) | 2018-12-24 | 2018-12-24 | Waterproof FPC flexible circuit board for touch-sensitive screen based on rapid-curing cutback encapsulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822176263.4U CN209767909U (en) | 2018-12-24 | 2018-12-24 | Waterproof FPC flexible circuit board for touch-sensitive screen based on rapid-curing cutback encapsulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209767909U true CN209767909U (en) | 2019-12-10 |
Family
ID=68747211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822176263.4U Active CN209767909U (en) | 2018-12-24 | 2018-12-24 | Waterproof FPC flexible circuit board for touch-sensitive screen based on rapid-curing cutback encapsulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209767909U (en) |
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2018
- 2018-12-24 CN CN201822176263.4U patent/CN209767909U/en active Active
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