Intelligent touch input device based on capacitance sensing

Abstract

The utility model discloses an intelligent touch control input device based on capacitance sensing. The intelligent touch control input device comprises a cover plate, a touch control plate and a circuit substrate. The touch panel comprises a panel layer, an attaching adhesive layer, an X touch electrode layer, an attaching layer and a Y touch electrode layer which are sequentially arranged from top to bottom. The X touch electrode layer and the Y touch electrode layer are arranged below the panel layer, the distance sensing characteristic of the transmission type capacitance technology is utilized, the surface of the whole input device does not have a protruding dust deposition structure, and compared with a traditional keyboard, the flat plate type structure is simpler, more attractive and more convenient to clean; according to the keyboard, the key function and the touch control function are integrated, switching of different functions is achieved through touch control, a user can interact with intelligent equipment through multiple input and operation modes, the user experience is greatly improved, and the problem that a traditional keyboard is single in function is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of capacitive touch control, and more specifically, to an intelligent touch control input device based on capacitive sensing. Background Art

[0002] Keyboards can input characters and adjust functions on computers, mobile phones and various smart devices. Traditional keyboards include mechanical keyboards, plastic film keyboards and conductive rubber keyboards. These keyboards have many gaps between the keys and large spacing, which makes it easy for dust and stains to accumulate and difficult to clean. In some complex environments, such as high temperature and high humidity environments, water vapor can easily corrode the wiring inside the keyboard, causing key failure. In addition, traditional keyboards can only input characters and have relatively simple functions. If you need to move the cursor or input handwriting, you need to connect other devices externally, which is inconvenient to use. Utility Model Content

[0003] The utility model provides an intelligent touch input device based on capacitive sensing to solve the problems raised in the above background technology. To achieve the above purpose, the utility model provides the following technical solutions: an intelligent touch input device based on capacitive sensing, comprising a cover plate, a touch panel and a circuit substrate; the touch panel comprises a panel layer, a bonding layer, an X touch electrode layer, a bonding layer and a Y touch electrode layer arranged in sequence from top to bottom.

[0004] Preferably, a keyboard key pattern is printed on the panel layer.

[0005] Preferably, a protective layer is also provided on the panel layer.

[0006] Preferably, the protective layer is made of glass.

[0007] Preferably, a sealing strip is further included at the connection between the touch panel and the cover panel.

[0008] Preferably, a touch switching area is provided on the touch panel, and a touch mode switching control circuit is provided on the circuit substrate. The touch switching area is signal-connected to the touch mode switching control circuit, and the switching between the keyboard input mode and the mouse sliding mode is realized through the touch mode switching control circuit.

[0009] Preferably, a wireless communication module is provided on the circuit substrate, and the wireless communication module is a Bluetooth module or a WIFI module.

[0010] Preferably, a rechargeable battery is arranged inside the cover plate, and a TYPE-C interface for charging the rechargeable battery is arranged on its side, and the TYPE-C interface is connected to the circuit substrate and can be used for data transmission.

[0011] Preferably, a vibration module is provided in the cover plate, the vibration module is connected to the circuit substrate, and generates corresponding vibration feedback according to touch information transmitted from the touch panel.

[0012] Preferably, an ultrasonic fingerprint recognition device is also included at a corner of the touch panel.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the utility model has a reasonable design and a simple structure; by arranging an X touch electrode layer and a Y touch electrode layer below the panel layer and utilizing the characteristics of air-space sensing of the transmissive capacitive technology, the surface of the entire input device has no protruding dust accumulation structure; the flat-panel structure is simpler, more beautiful, and easier to clean than a traditional keyboard; the utility model integrates buttons and touch functions into one, realizes switching of different functions through touch, and a user can interact with the smart device through a variety of input and operation methods, which greatly improves the user experience and solves the problem of the single function of the traditional keyboard. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural diagram of a capacitive sensing-based intelligent touch input device according to an embodiment of the present utility model;

[0015] Figure 2 A schematic diagram of the structure of a touch panel of an intelligent touch input device based on capacitive sensing according to an embodiment of the present utility model;

[0016] exist Figure 1 and Figure 2 In the figure, the corresponding relationship between the names of the components and the numbers of the drawings is as follows:

[0017] 1--cover plate, 2--touch panel, 21--panel layer, 22--bonding adhesive layer, 23--X touch electrode layer, 24--bonding layer, 25--Y touch electrode layer. DETAILED DESCRIPTION

[0018] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0019] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] Please refer to Figure 1 and Figure 2 The utility model provides an intelligent touch input device based on capacitive sensing, including a cover plate 1, a touch panel 2 and a circuit substrate; the touch panel 2 includes a panel layer 21, a bonding adhesive layer 22, an X touch electrode layer 23, a bonding layer 24 and a Y touch electrode layer 25 arranged in sequence from top to bottom.

[0022] The embodiments of the utility model are specifically applied to keyboards and touchpads 2, and can also be applied to other electronic input devices, such as information input and control of electronic products such as mobile phones or computers, to replace traditional keyboards. Considering that traditional mechanical keyboards have many gaps, are prone to dust accumulation and stains, and are difficult to clean, this embodiment aims to utilize the characteristics of air-sensing through transmissive capacitive technology and design it into a flat panel interface, so it is simpler, more beautiful, and easier to clean.

[0023] The touch panel in this embodiment adopts a structure in which the X touch electrode layer 23 and the Y touch electrode layer 25 are cross-distributed to form a capacitance matrix. When a finger touches the screen, the change in capacitance of the touch position can be detected by scanning the X touch electrode layer 23 and the Y touch electrode layer 25, and then the location of the finger can be calculated to achieve precise touch. In this embodiment, a pattern is set on the panel layer 21, and the corresponding areas in the X touch electrode layer 23 and the Y touch electrode layer 25 under the same pattern can trigger the same function. When the user touches the corresponding area according to the pattern on the panel layer 21, a corresponding input signal can be generated, and then the input control of electronic products such as mobile phones or computers can be performed.

[0024] Preferably, a keyboard key pattern is printed on the panel layer 21. In this embodiment, the panel layer 21 may be printed with a key cap pattern of a traditional keyboard, and the user can quickly find the input area through these patterns, thereby improving the input experience. In addition, according to the different characteristics of the smart device, a specific pattern or a combination of patterns may be added to the panel layer 21 to achieve one-key operation, one-key control or quick setting functions, which greatly simplifies the operation steps and improves the user experience.

[0025] Furthermore, the panel layer 21 can be configured as a replaceable structure. By replacing different panel layers 21, different usage scenarios can be quickly switched, which greatly improves the flexibility of the device.

[0026] Preferably, a protective layer is also provided on the panel layer 21. By providing the protective layer, the touch panel 2 can be effectively protected from dust or water vapor.

[0027] Preferably, the protective layer is made of glass. In this embodiment, the protective layer can be preferably made of highly transparent glass, which can not only make it possible to clearly see the printed content of the panel layer 21, but also improve the touch or sliding feel.

[0028] Preferably, a sealing strip is also included at the connection between the touch panel 2 and the cover plate 1. By providing a sealing strip at the connection, the overall sealing performance can be improved, which helps to prevent dust and water, reduce the erosion of the external environment on the inside of the device, and extend the service life of the device.

[0029] Preferably, a touch switching area is provided on the touch panel 2, and a touch mode switching control circuit is provided on the circuit substrate. The touch switching area is signal-connected to the touch mode switching control circuit, and the switching between the keyboard input mode and the mouse sliding mode is realized through the touch mode switching control circuit.

[0030] In this embodiment, the user can switch between different functions by clicking the touch switching area, for example, the user can select a keyboard input mode for inputting according to the pattern of the panel layer 21, or can use a mouse sliding mode to operate the touchpad. In addition, a handwriting mode can be added to realize handwriting input.

[0031] Furthermore, an LED indicator light may be provided on the touch switch area, and the position of the touch switch area may be clearly seen through the LED indicator light. The user may quickly operate the touch switch area by clicking the LED indicator light to switch between different operation modes.

[0032] Preferably, a wireless communication module is provided on the circuit substrate, and the wireless communication module is a Bluetooth module or a WIFI module. In this embodiment, the Bluetooth module or the WIFI module can be interconnected with the smart device to achieve wireless transmission, making the device more concise and easier to clean.

[0033] Preferably, a rechargeable battery is provided inside the cover plate 1, and a TYPE-C interface for charging the rechargeable battery is provided on its side, and the TYPE-C interface is connected to the circuit substrate and can be used for data transmission. In this embodiment, by providing a TYPE-C interface for charging and data transmission, it is convenient to connect with a smart device when there is no power, and to charge the rechargeable battery. Furthermore, a silicone cap can be provided on the TYPE-C interface to protect the interface.

[0034] Preferably, a vibration module is provided in the cover plate 1, the vibration module is connected to the circuit substrate, and generates corresponding vibration feedback according to the touch information transmitted from the touch panel 2. By providing the vibration module, delicate vibration feedback can be generated during typing input, improving the typing feel and realizing blind typing.

[0035] Preferably, an ultrasonic fingerprint recognition device is also included at the corner of the touch panel. By setting up the ultrasonic fingerprint recognition device, the ultrasonic fingerprint recognition device is hidden in the touch panel 2, and the integration is strong; the user can enter the fingerprint to unlock the input device, and only the authorized user can operate the device and touch input, which improves security.

[0036] Compared with the prior art, the utility model has the following beneficial effects: the utility model has a reasonable design and a simple structure; by arranging an X touch electrode layer and a Y touch electrode layer below the panel layer and utilizing the characteristics of air-space sensing of the transmissive capacitive technology, the surface of the entire input device has no protruding dust accumulation structure; the flat-panel structure is simpler, more beautiful, and easier to clean than a traditional keyboard; the utility model integrates buttons and touch functions into one, realizes switching of different functions through touch, and a user can interact with the smart device through a variety of input and operation methods, which greatly improves the user experience and solves the problem of the single function of the traditional keyboard.

[0037] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. An intelligent touch input device based on capacitive sensing, characterized in that: It comprises a cover plate (1), a touch panel (2) and a circuit substrate; the touch panel comprises a panel layer (21), a bonding adhesive layer (22), an X touch electrode layer (23), a bonding layer (24) and a Y touch electrode layer (25) which are arranged in sequence from top to bottom.

2. The capacitive sensing-based intelligent touch input device according to claim 1, characterized in that: The panel layer is printed with a keyboard key pattern.

3. The capacitive sensing-based intelligent touch input device according to claim 1, characterized in that: A protective layer is also arranged on the panel layer.

4. The capacitive sensing-based intelligent touch input device according to claim 3, characterized in that: The protective layer is made of glass.

5. The capacitive sensing-based intelligent touch input device according to claim 1, characterized in that: It also includes a sealing strip arranged at the connection between the touch panel and the cover plate.

6. The capacitive sensing-based intelligent touch input device according to claim 1, characterized in that: The touch panel is provided with a touch switching area, the circuit substrate is provided with a touch mode switching control circuit, the touch switching area is connected to the touch mode switching control circuit signal, and the touch mode switching control circuit is used to realize the switching between the keyboard input mode and the mouse sliding mode.

7. The capacitive sensing-based intelligent touch input device according to claim 1, characterized in that: The circuit substrate is provided with a wireless communication module, and the wireless communication module is a Bluetooth module or a WIFI module.

8. The capacitive sensing-based intelligent touch input device according to claim 1, characterized in that: A rechargeable battery is arranged inside the cover plate, and a TYPE-C interface for charging the rechargeable battery is arranged on its side. The TYPE-C interface is connected to the circuit substrate and can be used for data transmission.

9. The capacitive sensing-based intelligent touch input device according to any one of claims 1 to 8, characterized in that: A vibration module is arranged in the cover plate, the vibration module is connected to the circuit substrate, and generates corresponding vibration feedback according to the touch information transmitted from the touch panel.

10. The capacitive sensing-based intelligent touch input device according to claim 9, characterized in that: It also includes an ultrasonic fingerprint recognition device arranged at the corner of the touch panel.

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