CN216527122U - Capacitive touch screen driving circuit board - Google Patents
Capacitive touch screen driving circuit board Download PDFInfo
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- CN216527122U CN216527122U CN202123370091.2U CN202123370091U CN216527122U CN 216527122 U CN216527122 U CN 216527122U CN 202123370091 U CN202123370091 U CN 202123370091U CN 216527122 U CN216527122 U CN 216527122U
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- 230000004075 alteration Effects 0.000 description 1
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Abstract
The utility model discloses a capacitive touch screen driving circuit board which comprises a board body, wherein a main control board is arranged in the middle of the board body, a first TX line synchronous interface, a second TX line synchronous interface, a power supply interface, a data interface and a main board interface are arranged on the main control board, and a first TX left driver, a second TX left driver, a third TX left driver and a fourth TX left driver are arranged on the left side edge of the board body. According to the capacitive touch screen driving circuit board, the first board body is divided into three parts, the channel wiring is connected with the TX driver, control signals between the driving circuit boards are connected through flat cables, and the driving signals are easily interfered, so that the control signals are hardly influenced, and the interference problem of a capacitive touch screen with three outgoing lines is solved.
Description
Technical Field
The utility model relates to the technical field of capacitive touch screen driving circuit boards, in particular to a capacitive touch screen driving circuit board.
Background
The capacitive touch screen is more and more widely applied, and the industrial design requirements of terminal products are higher and higher, so that higher requirements are put forward on the narrow frame of the capacitive touch screen. In a traditional capacitive touch screen, XY channel edge routing is generally collected to one side, and after being bound with a flexible circuit board, the XY channel edge routing is connected with a driving circuit board or a main board through a connector.
To avoid signal interference, the traces of the X, Y channels cannot overlap and need to be separated by a certain distance. For an oversized capacitive touch screen, since the number of X, Y directional channels is very large, when the X, Y directional channels converge to one side, a large width is required for wiring.
The conventional method is to reduce the frame width by reducing the wiring pitch with higher wiring accuracy. There is also a method of three-edge outgoing lines to divide the routing collection area into three, thereby reducing the width of the collection area.
The three-side outlet drive circuit arrangement is completed through a flat cable and a connector, and can cause large signal interference. The interference between the capacitive screen X, Y channels is the interference between the capacitive screen and the display screen. The common method is to add shielding material at the intersection of the flat cables and to add conductive shielding layers on the touch screen and the display screen. These methods increase the material cost, and in addition, the flat cable has a certain moving space after being laid, thereby affecting the shielding effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a capacitive touch screen driving circuit board, wherein a board body I is divided into three parts, channel wiring is connected with a TX driver, control signals between the driving circuit boards are connected by flat cables, and the driving signals are easily interfered and hardly influenced by the control signals, so that the interference problem of a capacitive touch screen with three outgoing lines is solved, and the problems in the prior art are solved.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a capacitive touch screen drive circuit board, which comprises a plate body, the middle part of plate body sets up the main control board, set up first TX line synchronous interface on the main control board, the synchronous interface of second TX line, the power supply interface, data interface and mainboard interface, the left side limit of plate body sets up TX left side driver No. one, TX left side driver No. two, TX left side driver No. three and TX left side driver No. four, the right side limit of plate body sets up TX right side driver No. one, TX right side driver No. two, TX right side driver No. three and TX right side driver No. four, the last top limit of plate body sets up RX driver No. one, RX driver No. two, RX driver No. three and RX driver No. four.
Preferably, the power supply interface is connected with the first TX left driver, the second TX left driver, the third TX left driver, the fourth TX left driver, the first TX right driver, the second TX right driver, the third TX right driver, the fourth TX right driver, the first RX driver, the second RX driver, the third RX driver and the fourth RX driver through lines.
Preferably, the first TX line synchronization interface is connected to the first TX left driver, the second TX left driver, the third TX left driver, the fourth TX left driver, the first RX driver and the second RX driver respectively through lines.
Preferably, the second TX line synchronization interface is connected to the TX right driver i, the TX right driver ii, the TX right driver iii, the TX right driver iv, the RX driver iii and the RX driver iv through lines, respectively.
Preferably, the data interface is connected with the first RX driver, the second RX driver, the third RX driver and the fourth RX driver through lines respectively.
Compared with the prior art, the utility model has the following beneficial effects:
this capacitive touch screen drive circuit board through dividing into three with plate body one, makes plate body trilateral nearby be connected with corresponding drive circuit board electricity, and the passageway is walked the line and is connected with TX driver promptly, and the control signal between the drive circuit board is connected with the winding displacement, because of drive signal is very easily disturbed, and control signal hardly receives this influence to trilateral capacitive touch screen's of being qualified for the next round of competitions interference problem has been improved.
Drawings
FIG. 1 is a diagram of a capacitive touch screen driving circuit board according to the present invention.
In the figure: 1. a plate body; 2. a main control board; 21. a first TX line synchronization interface; 22. a second TX line synchronization interface; 23. a power supply interface; 24. a data interface; 25. a motherboard interface; 3. TX left driver number one; 4. TX left driver number two; 5. TX left driver number three; 6. TX left driver # four; 7. TX right driver number one; 8. TX Right driver number two; 9. TX Right driver number three; 10. TX Right driver number four; 11. RX driver number one; 12. RX driver number two; 13. RX driver number three; 14. RX driver # four.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a capacitive touch screen driving circuit board includes a board body 1, a main control board 2 is disposed in the middle of the board body 1, a first TX line synchronization interface 21, a second TX line synchronization interface 22, a power supply interface 23, a data interface 24, and a main board interface 25 are disposed on the main control board 2, a first TX left driver 3, a second TX left driver 4, a third TX left driver 5, and a fourth TX left driver 6 are disposed on the left side of the board body 1, a first TX right driver 7, a second TX right driver 8, a third TX right driver 9, and a fourth TX right driver 10 are disposed on the right side of the board body 1, and a first RX driver 11, a second RX driver 12, a third RX driver 13, and a fourth RX driver 14 are disposed on the top side of the board body 1.
In the above, the power supply interface 23 is connected to the first TX left driver, the second TX left driver, the third TX left driver, the fourth TX right driver, the first TX right driver, the second TX right driver, the third TX right driver, the fourth TX driver, the first RX driver, the second RX driver, the third RX driver, the fourth RX driver, the first RX driver, the second RX driver, the third RX driver, the fourth driver, the first RX driver, the second TX driver, the third driver, the second TX driver, the second driver, the third driver, the second driver, the third driver, the second driver, the RX driver, the second driver, the RX driver, the second driver, the RX driver, the second driver, the data and the data interface 24 are connected to the data interface 24, the data interface 24 are connected through the data interface 24 respectively connected through the data interface 24 through the lines, the data interface 24, the data interface, the first driver and.
The first TX line synchronization interface 21 is connected to the first TX left driver 3, the second TX left driver 4, the third TX left driver 5, the fourth TX left driver 6, the first RX driver 11 and the second RX driver 12 through lines, and the second TX line synchronization interface 22 is connected to the first TX right driver 7, the second TX right driver 8, the third TX right driver 9, the fourth TX right driver 10, the third RX driver 13 and the fourth RX driver 14 through lines.
In summary, the following steps: this capacitive touch screen drive circuit board through dividing into three with plate body 1 one, makes plate body 1 trilateral nearby be connected with corresponding drive circuit board electricity, and the passageway is walked the line and is connected with the TX driver promptly, and the control signal between the drive circuit board is connected with the winding displacement, because of drive signal is very easily disturbed, and control signal does not receive this influence hardly to trilateral capacitive touch screen's that is qualified for the next round of competitions interference problem has been improved, prior art problem is solved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a capacitive touch screen drive circuit board, includes plate body (1), its characterized in that: the middle part of plate body (1) sets up main control board (2), set up first TX line synchronization interface (21) on main control board (2), second TX line synchronization interface (22), power supply interface (23), data interface (24) and mainboard interface (25), the left side limit of plate body (1) sets up TX left side driver (3) No. one, TX left side driver (4) No. two, TX left side driver (5) No. three and TX left side driver (6) No. four, the right side limit of plate body (1) sets up TX right side driver (7) No. one, TX right side driver (8), TX right side driver (9) No. three and TX right side driver (10) No. four, the last top limit of plate body (1) sets up RX driver (11) No. one, RX driver (12) No. two, RX driver (13) and RX driver (14) No. four.
2. The capacitive touch screen driving circuit board of claim 1, wherein: the power supply interface (23) is respectively connected with a TX left side driver I (3), a TX left side driver II (4), a TX left side driver III (5), a TX left side driver IV (6), a TX right side driver I (7), a TX right side driver II (8), a TX right side driver III (9), a TX right side driver IV (10), an RX driver I (11), an RX driver II (12), an RX driver III (13) and an RX driver IV (14) through lines.
3. The capacitive touch screen driving circuit board of claim 1, wherein: the first TX line synchronous interface (21) is respectively connected with a TX left side driver I (3), a TX left side driver II (4), a TX left side driver III (5), a TX left side driver IV (6), an RX driver I (11) and an RX driver II (12) through lines.
4. The capacitive touch screen driving circuit board of claim 1, wherein: the second TX line synchronous interface (22) is respectively connected with a TX right driver I (7), a TX right driver II (8), a TX right driver III (9), a TX right driver IV (10), an RX driver III (13) and an RX driver IV (14) through lines.
5. The capacitive touch screen driving circuit board of claim 1, wherein: and the data interface (24) is respectively connected with an RX driver I (11), an RX driver II (12), an RX driver III (13) and an RX driver IV (14) through lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123370091.2U CN216527122U (en) | 2021-12-29 | 2021-12-29 | Capacitive touch screen driving circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123370091.2U CN216527122U (en) | 2021-12-29 | 2021-12-29 | Capacitive touch screen driving circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216527122U true CN216527122U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123370091.2U Active CN216527122U (en) | 2021-12-29 | 2021-12-29 | Capacitive touch screen driving circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216527122U (en) |
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2021
- 2021-12-29 CN CN202123370091.2U patent/CN216527122U/en active Active
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Effective date of registration: 20240304 Address after: Building 2-4, Optoelectronic Industry Park, Jianli Economic Development Zone, Jingzhou City, Hubei Province, 433300 Patentee after: Jingzhou Hongju Electronic Technology Co.,Ltd. Country or region after: China Address before: 518132 No. 107, first floor, building e, youxinda Industrial Park, Tianliao community, Yutang street, Guangming New Area, Shenzhen, Guangdong Patentee before: Shenzhen Sanshen Electronic Technology Co.,Ltd. Country or region before: China |