Capacitive touch glass structure

Abstract

The utility model discloses a capacitive touch control glass structure, including protective glass screen, braille alphabet prompt structure and capacitive screen structure, the braille alphabet prompt structure is provided on the protective glass screen, the capacitive screen structure is provided on the protective glass screen, the braille alphabet prompt structure includes touch glass plate, outside guard ring and bump braille alphabets, and the outside guard ring is provided with the bump braille alphabets. The touch glass plate is attached to the protective glass screen, the outer side protective ring wraps the edge of the touch glass plate, and the salient point braille alphabets are integrally arranged on the surface of the touch glass plate. The utility model belongs to the technical field of touch glass, and particularly relates to a capacitive touch glass structure, which effectively solves the problems that the capacitive touch glass is relatively smooth, people with visual impairment cannot see operation touch keys on an upper display screen to control when using an electric appliance controlled by a capacitive touch glass screen, the touch is easy to touch by mistake, and the use cost is high. And misoperation is caused.

Description

TECHNICAL FIELD

[0001] The utility model belongs to touch glass technical field, specifically point to a kind of capacitive touch glass structure. BACKGROUND

[0002] Capacitive touch panel CTP (Capacity Touch Panel) is worked by using the current induction of human body. The capacitive screen is a four-layer composite glass screen, the inner surface and interlayer of glass screen are coated with ITO (nanometer indium tin metal oxide), the outermost layer is 0.0015mm thick silica glass protective layer, the interlayer ITO coating is working surface, four electrodes are led out from four corners, and the inner layer ITO is screen layer to ensure the working environment.

[0003] When the user touches the capacitive screen, a coupling capacitor is formed between the user's finger and the working surface due to the human body electric field, because the working surface is connected with high-frequency signal, so the finger absorbs a small current, and the current flows out from the electrodes on the four corners of the screen, and the current flowing through the four electrodes is proportional to the distance from the finger to the four corners in theory, and the controller obtains the position by precise calculation of the proportion of the four currents. It can reach 99% accuracy and has a response speed of less than 3ms.

[0004] However, the existing capacitive touch glass is relatively smooth, and when the person with visual impairment uses the electric appliance controlled by the capacitive touch glass screen, the operation touch key on the display screen cannot be seen, and the control is easy to be mistaken, which causes operation failure. INVENTION CONTENTS

[0005] In view of the above problems, the capacitive touch glass structure is provided to overcome the defects of the prior art, which effectively solves the problem that the capacitive touch glass is relatively smooth, and the person with visual impairment cannot see the operation touch key on the display screen when using the electric appliance controlled by the capacitive touch glass screen, and the control is easy to be mistaken, which causes operation failure.

[0006] The technical scheme adopted by the utility model is as follows: the capacitive touch glass structure provided by the utility model comprises a protective glass screen, a Braille prompting structure and a capacitive screen structure, the Braille prompting structure is arranged on the protective glass screen, the capacitive screen structure is arranged on the protective glass screen, the Braille prompting structure comprises a touch glass plate, an outer protective ring and a convex point Braille, the touch glass plate is attached to the protective glass screen, the outer protective ring is wrapped around the edge of the touch glass plate, and the convex point Braille is integrally arranged on the surface of the touch glass plate.

[0007] Preferably, the capacitive screen structure comprises a silica glass protective layer, a sandwich ITO, a working surface, an electrode plate and an inner layer ITO, the silica glass protective layer is attached to the protective glass screen, the sandwich ITO is sprayed on the inner surface of the silica glass protective layer, the working surface is attached to the surface of the sandwich ITO, the electrode plate is fixedly connected to the working surface, and the inner layer ITO is sprayed on the bottom surface of the working surface.

[0008] In order to better avoid the effect of falling off, the convex point Braille position on the touch glass plate is integrally formed.

[0009] In order to achieve the purpose of wear resistance faster, the touch glass plate and the convex point Braille are made of wear-resistant glass material.

[0010] Further, the outer protective ring is smoothly embedded with the touch glass plate.

[0011] The beneficial effects achieved by the above structure of the utility model are as follows: the capacitive touch glass structure provided in the scheme helps the visually impaired by increasing a wear-resistant touch glass plate above the protective glass screen and setting the convex point Braille on the touch glass plate as prompt text from the Braille. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the capacitive touch glass structure provided in the utility model;

[0013] Figure 2 It is another view structure schematic view of the capacitive touch glass structure provided in the utility model;

[0014] Figure 3 It is a cross-sectional structure schematic view of the capacitive touch glass structure provided in the utility model.

[0015] Among them, 1, protective glass screen, 2, Braille prompt structure, 3, capacitive screen structure, 4, touch glass plate, 5, outer protective ring, 6, convex point Braille, 7, silica glass protective layer, 8, sandwich ITO, 9, working surface, 10, electrode plate, 11, inner layer ITO.

[0016] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute a limitation on the utility model. DETAILED DESCRIPTION

[0017] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, apparently, the described embodiment is only a part of the embodiment of the utility model, and is not all the embodiment; on the basis of the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0018] As Figure 1 And Figure 2 The utility model discloses a kind of capacitive touch glass structures, including protective glass screen 1, Braille prompt structure 2 and capacitive screen structure 3, Braille prompt structure 2 is located on protective glass screen 1, capacitive screen structure 3 is located on protective glass screen 1, Braille prompt structure 2 includes touch glass plate 4, outer protective ring 5 and convex point Braille 6, touch glass plate 4 is attached on protective glass screen 1, outer protective ring 5 is wrapped on the edge of touch glass plate 4, outer protective ring 5 and touch glass plate 4 are smoothly inlaid, convex point Braille 6 is integrally arranged on the surface of touch glass plate 4, convex point Braille 6 is integrally formed on touch glass plate 4, and touch glass plate 4 and convex point Braille 6 are made of wear-resistant glass material.

[0019] As Figure 1 And Figure 3 Capacitive screen structure 3 includes silica glass protective layer 7, interlayer ITO 8, working surface 9, electrode plate 10 and inner layer ITO 11, silica glass protective layer 7 is attached on protective glass screen 1, interlayer ITO 8 is sprayed on the inner surface of silica glass protective layer 7, working surface 9 is attached on the surface of interlayer ITO 8, electrode plate 10 is fixedly connected on working surface 9, and inner layer ITO 11 is sprayed on the bottom surface of working surface 9.

[0020] Specific use, when user uses the device, when visually impaired person needs to control electric appliance, when hand touches convex point Braille 6 to identify the position of key, so as to accurately and accurately operate electric equipment, avoid operation error, when working surface 9 inside silica glass protective layer 7 under touch glass plate 4 forms coupling capacitance, working surface 9 is connected with high frequency signal at this time, so that a small current is absorbed by finger, and the current flows out from the electrode plate 10 on the four corners of the screen, the current flowing through the four electrode plates 10 is proportional to the distance from the finger to the four corners, and the controller obtains the touch position by precise calculation of the four current ratios, so as to control the equipment, and the above is the use process of the entire capacitive touch glass structure.

[0021] It is to be noted that, in the present document, relational terms such as first and second and the like can 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. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0022] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the following claims and their equivalents.

[0023] The above description of the present application and its embodiments has been described, which is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired by it, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments of the technical scheme should belong to the protection scope of the present application.

Claims

1. A capacitive touch glass structure, characterized in that: The application relates to a protective glass screen, a Braille prompting structure and a capacitive screen structure, wherein the Braille prompting structure is arranged on the protective glass screen, the capacitive screen structure is arranged on the protective glass screen, the Braille prompting structure comprises a touch glass plate, an outer protective ring and convex point Braille, the touch glass plate is attached to the protective glass screen, the outer protective ring is wrapped around the edge of the touch glass plate, and the convex point Braille is integrally arranged on the surface of the touch glass plate. 2.The capacitive touch glass structure of claim 1, wherein: The capacitive screen structure comprises a silica glass protective layer, a sandwich ITO, a working surface, an electrode plate and an inner layer ITO, the silica glass protective layer is attached to the protective glass screen, the sandwich ITO is sprayed on the inner surface of the silica glass protective layer, the working surface is attached to the surface of the sandwich ITO, the electrode plate is fixedly connected to the working surface, and the inner layer ITO is sprayed on the bottom surface of the working surface. 3.The capacitive touch glass structure of claim 2, wherein: The convex point Braille on the touch glass plate is integrally formed. 4.The capacitive touch glass structure of claim 3, wherein: The touch glass plate and the convex point Braille are made of wear-resistant glass material. 5.The capacitive touch glass structure of claim 4, wherein: The outer protective ring and the touch glass plate are smoothly embedded.

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