CN211264289U - Vehicle-mounted suspension touch screen - Google Patents
Vehicle-mounted suspension touch screen Download PDFInfo
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- CN211264289U CN211264289U CN201921308619.3U CN201921308619U CN211264289U CN 211264289 U CN211264289 U CN 211264289U CN 201921308619 U CN201921308619 U CN 201921308619U CN 211264289 U CN211264289 U CN 211264289U
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Abstract
The utility model discloses an on-vehicle suspension touch-sensitive screen, including front panel, the electric capacity touch-sensitive screen of connecting 2D touch-sensitive chip to and the suspension touch-sensitive sensing unit of connecting 3D touch-sensitive chip, the electric capacity touch-sensitive screen is fixed on the front panel through the adhesion layer at the back, suspension touch-sensitive sensing unit fixes around electric capacity touch-sensitive screen, and has the clearance between electric capacity touch-sensitive screen and the suspension touch-sensitive sensing unit. The utility model discloses with touch-sensitive screen integrated capacitance touch-control and suspension touch-control simultaneously for two kinds of touch-control modes combine together, can reduce vehicle-mounted display screen's occupation space, have reduced vehicle-mounted display screen's cost.
Description
Technical Field
The utility model relates to a accuse field in the car especially relates to accuse suspension touch-sensitive screen technique in car.
Background
According to statistics, the shipment volume of the vehicle-mounted touch panel in 2017 reaches 5000 ten thousand, and is increased by 11% compared with 4500 ten thousand in 2016. The existing vehicle-mounted central control suspended touch control assembly and a central control capacitive screen are mutually independent, and direct contact type capacitive touch control and suspended touch control are respectively realized; or a touch capacitive screen is used for the central control, and infrared touch is used for the floating touch. This method takes up space in the vehicle on the one hand and is relatively expensive on the other hand.
Disclosure of Invention
The utility model aims to solve the technical problem that realize one kind through increase new suspension Touch-control induction electrode around current capacitive screen to realize the purpose of suspension Touch-control, integrate Touch (2D Touch) and suspension Touch (3D Touch) to a subassembly through circuit design on, make it realize two kinds of functions simultaneously, and do the suspension Touch-control distance and reach 10 ~ 15cm, improve the user experience and the function of on-vehicle Touch-sensitive screen.
In order to realize the purpose, the utility model discloses a technical scheme be: the utility model provides an on-vehicle suspension touch-sensitive screen, includes the front panel, connects the electric capacity touch-sensitive screen of 2D touch-sensitive chip to and connect the suspension touch-sensitive sensing unit of 3D touch-sensitive chip, the electric capacity touch-sensitive screen is fixed on the front panel through the adhesion layer at the back, suspension touch-sensitive sensing unit is fixed around electric capacity touch-sensitive screen, and has the clearance between electric capacity touch-sensitive screen and the suspension touch-sensitive sensing unit.
The floating touch sensing unit comprises a floating touch sensing electrode, the floating touch sensing electrode is formed by Metal wiring, and the width of the floating touch sensing electrode is larger than 2 mm.
The clearance between the capacitive touch screen and the suspension touch sensing unit is larger than 2 mm.
The suspension touch sensing units form a square frame, and a gap larger than 0.5mm is formed between every two adjacent suspension touch sensing units.
The 3D touch control chip is connected with the 2D touch control chip, and the 2D touch control chip is connected with the host.
The utility model discloses with touch-sensitive screen integrated capacitance touch-control and suspension touch-control simultaneously for two kinds of touch-control modes combine together, can reduce vehicle-mounted display screen's occupation space, have reduced vehicle-mounted display screen's cost.
Drawings
The following is a brief description of the contents expressed by each figure in the specification of the present invention:
FIG. 1 is a schematic diagram of a vehicle-mounted floating touch screen structure;
fig. 2 is a schematic distribution diagram of a floating touch device and a capacitive touch device.
Detailed Description
The following description of the embodiments with reference to the drawings is intended to illustrate the present invention in further detail, such as the shapes and structures of the components, the mutual positions and connections between the components, the functions and working principles of the components, the manufacturing process, and the operation and use methods, etc., so as to help those skilled in the art understand the present invention more completely, accurately and deeply.
The vehicle-mounted suspension touch screen comprises a front panel, a capacitive touch screen and a suspension touch sensing unit, wherein the capacitive touch screen is arranged in a capacitive touch area of the front panel, and the suspension touch sensing unit is arranged around the capacitive touch area.
The capacitive touch screen is connected with the 2D touch chip, and the 2D touch chip is used for processing a contact touch signal; the suspension touch sensing unit is connected with the 3D touch chip, and the 3D touch chip is used for receiving and processing a suspension touch signal; the 3D touch chip is in communication connection with the 2D touch chip, and an RX channel of the 2D chip is used as a shielding layer of the 3D touch chip to complete the 3D touch work together with a channel of the 3D chip when the 3D chip works; the 2D touch control chip is in communication connection with the host, and the host is used for controlling the display of the touch screen according to signals of the 2D touch control chip and the 3D touch control chip.
The control part consists of a HOST HOST, a 2D touch chip, a 3D touch chip and a touch sensor, wherein the HOST mainly plays a role in processing (2D &3D) touch signals and controls the display of the touch screen or responds to touch operation according to signals of the 2D touch chip and the 3D touch chip. The 2D touch chip is mainly used for processing the contact touch of the central control part, and the 3D touch IC is mainly used for receiving and processing the gesture and action of the floating touch. The contact touch signal is processed by the 2D touch IC and then transmitted to the HOST HOST for processing, and then the display screen is controlled to respond to touch control; the 3D touch chip receives the suspension touch signal, processes the suspension touch signal, sends the suspension touch signal into a HOST HOST for processing, and then controls the corresponding suspension touch operation of the display screen; the communication between the 3D touch chip and the HOST can be directly transmitted to the HOST via serial communication or via the 2D chip and then transmitted to the HOST via the 2D chip.
The suspension touch control sensing unit adopts a suspension touch control sensing electrode, the suspension touch control sensing electrode is connected with the 3D touch control chip and used for controlling the suspension touch control sensing electrode to generate an electric field, and the 3D touch control chip identifies a suspension touch control signal according to the electric field change collected by the collecting unit. The floating touch sensing electrode is Metal wiring with a certain width. The capacitive touch screen is arranged on a capacitive touch area of the front panel through an adhesion layer and is used for arranging a suspension touch sensing electrode around the capacitive touch area, and the sensing electrode is also arranged in a non-capacitive touch area of the front panel through the adhesion layer. Therefore, the control circuit integrating the capacitive touch and the floating touch on one display panel is realized. As shown in fig. 2, a schematic diagram of a suspension touch module and a capacitive touch module of a vehicle-mounted touch screen includes a capacitive touch module disposed in a middle portion thereof for sensing a contact touch, and electrodes disposed around the capacitive touch module for generating an electric field to implement the suspension touch.
The capacitive touch control component adopts a capacitive component in the prior art, and comprises ITO (indium tin oxide)' PI (insulated photoresist) and Metal wiring (Mo-Al-Mo) wiring. Signals of the capacitive touch area are collected through the sensing unit and sent to the 2D touch chip, and therefore the contact touch function is achieved.
The width of the suspended touch sensing electrode formed by the Metal wiring is at least 2 mm. The gap between the floating touch sensing electrode and the capacitive touch screen is at least 2mm, that is, the gap between the sensing electrode and the nearest capacitive touch area boundary is at least 2 mm. The touch control signal recognition device can be conveniently produced, reduces production difficulty and can effectively realize touch control signal recognition.
The present invention has been described above with reference to the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments described above, and that the invention is not limited to the specific embodiments described above, but rather is intended to cover various insubstantial modifications of the inventive method and solution, or its application to other applications without modification.
Claims (1)
1. The utility model provides an on-vehicle suspension touch-sensitive screen, includes front panel, connects 2D touch-sensitive chip's electric capacity touch-sensitive screen to and connect 3D touch-sensitive chip's suspension touch-control induction element, its characterized in that: the capacitive touch screen is fixed on the front panel through an adhesive layer on the back surface, the suspension touch sensing units are fixed around the capacitive touch screen, and a gap is formed between the capacitive touch screen and the suspension touch sensing units;
the suspended touch sensing units form a square frame, and a gap larger than 0.5mm is formed between every two adjacent suspended touch sensing units;
the floating touch sensing unit comprises a floating touch sensing electrode, the floating touch sensing electrode is formed by Metal wiring, and the width of the floating touch sensing electrode is more than 2 mm;
the gap between the capacitive touch screen and the floating touch sensing unit is larger than 2 mm;
the 3D touch control chip is connected with the 2D touch control chip, and the 2D touch control chip is connected with the host.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921308619.3U CN211264289U (en) | 2019-08-13 | 2019-08-13 | Vehicle-mounted suspension touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921308619.3U CN211264289U (en) | 2019-08-13 | 2019-08-13 | Vehicle-mounted suspension touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211264289U true CN211264289U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921308619.3U Active CN211264289U (en) | 2019-08-13 | 2019-08-13 | Vehicle-mounted suspension touch screen |
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| CN (1) | CN211264289U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112732114A (en) * | 2020-12-29 | 2021-04-30 | 天马微电子股份有限公司 | Touch panel, driving method of touch panel and display device |
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2019
- 2019-08-13 CN CN201921308619.3U patent/CN211264289U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112732114A (en) * | 2020-12-29 | 2021-04-30 | 天马微电子股份有限公司 | Touch panel, driving method of touch panel and display device |
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