TW202219703A - Button-type capacitive touch human-machine interface device including a base, a display screen, a capacitive touch panel, a feedback force supply unit, a plurality of sensing key caps, and an upper cover - Google Patents

Abstract

A button-type capacitive touch human-machine interface device includes a base provided thereon with a carrying space; a control circuit board arranged in the carrying space; a display screen electrically connected to the control circuit board; a capacitive touch panel located on the upper side of the display screen and electrically connected to the control circuit board; a feedback force supply unit having a plurality of insulating pressing elastic blocks, in which the insulating pressing elastic blocks can be pressed downwards to be attached to the capacitive touch panel; a plurality of sensing key caps, each of which is fixed on an upper wall surface of the insulating pressing elastic block, and can be pressed by a finger of a user; and an upper cover, which correspondingly covers and is fixed on the carrying space of the base, and has a plurality of key holes allowing the sensing key caps to pass through and be exposed thereon.

Description

Button Capacitive Touch Human-Machine Interface Device

The present invention relates to a button-type capacitive touch human-machine interface device; in detail, it relates to a human-machine interface device that uses capacitance as a control signal method, but has both a pressing stroke and a pressing feedback force.

With the development of electronic technology, the input types of human-machine interface have also increased. In order to pursue intuitive operation and improve relative convenience, touch input methods are widely used in various types of electronic products.

Generally speaking, the types of touch input include electromagnetic touch, resistive touch, and capacitive touch. Among them, capacitive touch is the most intuitive and direct control mode because it uses capacitive sensing interacting with human fingers as the control signal interpretation method, and it is the most popular human-machine interface control method. one.

In the prior art, because the capacitive touch is different from the traditional pressing and driving method of physical keys, the control signal is only generated by the proximity sensing between the finger and the touch panel, so it does not have the pressing movement stroke and the post-pressing method. It is more often used in devices such as mobile phones and tablet computers that can be clicked while watching, so that users can confirm whether they have indeed pressed for the driving action, or assist the vibration or sound source. Feedback allows users to get further feedback after pressing. Although compared with traditional buttons, it does not have the wear and tear of mechanical contact, and has the characteristics of high service life, but compared with traditional physical buttons, the control method can provide The direct elastic feedback force, but the feedback tactile feeling is obviously weaker.

However, as far as we know, among the human-machine interface related products on the market, there is no control device with a long service life that can provide both the key stroke and the pressing feedback force, and has the characteristics of capacitive touch. The inventor of the invention has considered and designed a button-type capacitive touch human-machine interface device, in order to improve the deficiencies of the prior art, thereby enhancing the implementation and utilization in the industry.

In view of the above-mentioned shortcomings of the prior art, the present invention designs a button-type capacitive touch human-machine interface device with novelty, progress and industrial applicability and other patent requirements, in order to overcome the difficulties of the prior art.

In order to achieve the above-mentioned purpose, the technical means adopted in the present invention is to design a button-type capacitive touch human-machine interface device, which comprises: a base, which is a casing, and a bearing space is provided on its upper side; a control circuit board, It is correspondingly arranged in the carrying space of the base; a display screen is correspondingly arranged in the carrying space of the base, located on the upper side of the control circuit board, and is electrically connected to the control circuit board; a capacitive touch panel corresponding to the bearing space of the base, located on the upper side of the display screen, and electrically connected to the control circuit board; a feedback force supply unit corresponding to the In the carrying space of the base, and above the capacitive touch panel, it has a plurality of insulating pressing elastic blocks, the insulating pressing elastic blocks are distributed above the capacitive touch panel, and each insulating pressing elastic block It can be moved downward and attached to the capacitive touch panel after being subjected to a pressure from above, and generates an upward elastic return force; a plurality of sensing key caps are respectively fixed on the upper wall of the insulating pressing elastic block, and the sensing key The cap can be pressed by the user's fingers; and an upper cover, which is correspondingly covered and fixed on the bearing space of the base, and has a plurality of key holes, so that the sensing key caps can pass through and be exposed on it.

Wherein, the capacitive touch panel, the feedback force supply unit and the sensing keycap are transparent.

Wherein, the induction key cap is made of plastic material mixed with conductive medium to improve the conductivity.

The button-type capacitive touch human-machine interface device of the present invention is designed so that there is a sensing keycap and an insulating pressing elastic block between the finger and the capacitive touch panel, thereby providing a certain pressing stroke length and having a physical elastic feedback In addition, there is no doubt of wear and tear due to mechanical knocking in the mechanism of generating the signal, and it has many advantages in practical application.

In order to make the above-mentioned purpose, technical features, and gain after actual implementation more obvious and easy to understand, a more detailed description will be given below with the aid of a preferred embodiment example and corresponding related drawings.

The advantages and features of the present invention, and the methods for achieving the same, will be more readily understood by describing in more detail with reference to the exemplary embodiments and accompanying drawings. However, the present invention may be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough, complete and complete to convey the scope of the invention to those of ordinary skill in the art, and the invention will only be the scope of the appended claims defined. In the drawings, the sizes and relative sizes of components or elements are shown exaggeratedly for clarity and ease of understanding. Throughout the specification, the same reference numerals refer to the same components. As used hereinafter, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Unless otherwise defined, all terms (including technical and scientific terms) used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be more understandable that terms such as those defined in commonly used dictionaries should be construed to have meanings consistent with those in the relevant art, and, unless clearly defined hereinafter, will not be overly idealistic or excessive. Formal meaning understanding.

The exemplary embodiments will be described in detail below with reference to the drawings. These embodiments, however, may be embodied in different forms and should not be construed as limiting the scope of the claims of the present invention. These embodiments are provided so that the disclosure of the present invention will be complete and clear, and those skilled in the art will be able to understand the scope of the present invention through these embodiments.

First of all, please refer to FIG. 1 to FIG. 4, the present invention relates to a button-type capacitive touch human-machine interface device, which comprises a base (10), a control circuit board (20), a display screen ( 30), a capacitive touch panel (40), a feedback force supply unit (50), a plurality of sensing key caps (60) and an upper cover (70).

The aforesaid base (10) is a casing, and a bearing space is provided on the upper side thereof.

The aforementioned control circuit board (20) is correspondingly arranged in the carrying space of the base (10).

The aforementioned display screen (30) is correspondingly disposed in the carrying space of the base (10), is located on the upper side of the control circuit board (20), and is electrically connected to the control circuit board (20).

The aforementioned capacitive touch panel (40) is correspondingly disposed in the carrying space of the base (10), is located on the upper side of the display screen (30), and is electrically connected to the control circuit board (20), or Can be transparent.

The aforementioned feedback force supply unit (50) is correspondingly disposed in the bearing space of the base (10), and is located above the capacitive touch panel (40), and has a plurality of insulating pressing elastic blocks (51), The insulating pressing elastic blocks (51) are distributed above the capacitive touch panel (40), and each insulating pressing elastic block (51) can be downwardly displaced and attached to the capacitive touch panel after being subjected to a pressure from above. (40), and produce upward elastic return force, which may be transparent or translucent silicone or rubber.

The aforementioned sensing key caps (60) are respectively fixed on an upper wall surface of the insulating pressing elastic block (51). It has high conductivity, and can increase the capacitive sensing effect, so that when the user presses the sensing keycap (60) to move downward, the capacitive touch panel (40) can smoothly generate sensing signals, and the sensing The key cap (60) may be made of transparent or semi-transparent plastic material mixed with conductive medium, or may be made of certain metal particles or powders (eg, silver powder).

Since the insulating pressing elastic block (51) and the sensing keycap (60) are transparent or semi-transparent, light sources, colors, patterns, texts, animations can be displayed in the corresponding areas on the display screen (30). Display contents such as text or dynamic images are then directly presented on the induction keycap (60).

The aforementioned upper cover (70) is correspondingly covered and fixed on the bearing space of the base (10), and has a plurality of key holes (71), so that the sensing key caps (60) can pass through and be exposed on the base (10). .

And the key-type capacitive touch human-machine interface device of the present invention is designed through ingenuity, so that there is a sensing keycap (60) and an insulating pressing elastic block (51) between the finger and the capacitive touch panel (40). Furthermore, it can provide a certain length of pressing stroke, and has a physical elastic feedback, and there is no doubt of wear and tear due to mechanical knocking in the mechanism of generating the signal. It has many advantages in practical application and implementation, and is the prior art. The unreachable.

In addition, please refer to Fig. 5 and Fig. 6, in which the present invention is another embodiment with high convenience, which allows the user to change the man-machine interface through the number and appearance of the control buttons. This means that users can selectively use different numbers and sizes of sensor keycaps (60A), as well as insulating and pressing elastic blocks (51A) and upper covers (70A) corresponding to their appearances, so as to achieve a multi-function device. work effect.

In conjunction with the subsequent use of electronic computing equipment such as a computer to connect the control circuit board (20) for programming software, or the control circuit board (20) originally stored a variety of man-machine control configuration combinations, so that the user can purchase a set of this After the invention, through the definition of different key configurations, it is only necessary to manually replace the upper cover (70A), the sensor keycap (60A), and the feedback force supply unit (50A), which can be used as a human-machine interface device for controlling different equipment, and has a high degree of Apply elastic features. In order to be connected to the corresponding electronic computing device, the control circuit board (20) may be further provided with a network interface, a USB interface or other general connection structures.

The above-mentioned embodiments are only used to illustrate the embodiments of the present invention and to illustrate the technical characteristics of the present invention, and are not used to limit the protection scope of the present invention. Any changes or equality arrangements that can be easily accomplished by those skilled in the art fall within the claimed scope of the present invention, and the scope of protection of the present invention should be subject to the scope of the patent application.

(10): Pedestal (20): Control circuit board (30): Display screen (40): Capacitive Touchpad (50)(50A): Feedback force supply unit (51)(51A): Insulation pressing elastic block (60)(60A): Sensor keycap (70)(70A): Top cover (71): key hole

FIG. 1 is an external view of the button-type capacitive touch human-machine interface device of the present invention; FIG. 2 is an exploded view of the appearance of the button-type capacitive touch human-machine interface device of the present invention; FIG. 3 is an exploded view of the appearance of the button-type capacitive touch human-machine interface device from another viewing angle according to the present invention; FIG. 4 is a cross-sectional view of the button-type capacitive touch human-machine interface device according to the present invention; FIG. 5 is an external view of another embodiment of the button-type capacitive touch human-machine interface device of the present invention; FIG. 6 is an exploded view of the appearance of another embodiment of the button-type capacitive touch human-machine interface device of the present invention.

(10): Pedestal

(20): Control circuit board

(30): Display screen

(40): Capacitive Touchpad

(50): Feedback force supply unit

(51): Insulation pressing elastic block

(60):Induction keycap

(70): upper cover

(71): key hole

Claims (4)

A button-type capacitive touch human-machine interface device, comprising: a base, which is a shell, and a bearing space is arranged on its upper side; a control circuit board corresponding to the bearing space of the base; a display screen corresponding to the bearing space of the base, located on the upper side of the control circuit board, and electrically connected to the control circuit board; a capacitive touch panel corresponding to the bearing space of the base, located on the upper side of the display screen, and electrically connected to the control circuit board; A feedback force supply unit is correspondingly disposed in the bearing space of the base and located above the capacitive touch panel, and has a plurality of insulating pressing elastic blocks, and the insulating pressing elastic blocks are distributed on the capacitor Above the touch panel, and each of the insulating pressing elastic blocks can be displaced downward and attached to the capacitive touch panel after being subjected to a pressure from above, and generate an upward elastic return force; a plurality of sensing key caps, which are respectively fixed on an upper wall surface of the insulating pressing elastic block, and the sensing key caps can be pressed by the user's fingers; and An upper cover is correspondingly covered and fixed on the bearing space of the base, and has a plurality of key holes, so that the sensing key caps pass through and are exposed on the base. The button-type capacitive touch human-machine interface device as claimed in claim 1, wherein the capacitive touch panel, the feedback force supply unit and the sensing keycap are transparent. The button-type capacitive touch human-machine interface device as claimed in claim 1, wherein the feedback force supply unit and the sensing keycap are translucent. The button-type capacitive touch human-machine interface device as claimed in claim 2, wherein the sensing keycap is made of a plastic material mixed with a conductive medium to improve the conductivity.

Images