Touch screen
By designing resistive touch sensing and a breathable heat dissipation mechanism, the accuracy problem of the touchscreen when wearing gloves is solved, and the durability and heat dissipation performance of the device are improved.
Patent Information
- Application Number
- CN202423148081.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Existing touchscreens suffer from reduced accuracy and poor usability when users wear gloves.
It adopts a resistive touch sensing mechanism and a breathable heat dissipation mechanism. The cover glass drives the ITO inductive lamination to form a circuit to detect the touch position, and the breathable heat dissipation mechanism uses a mesh screen to prevent dust and dissipate heat.
It improves the precision of touch control for fine operation while wearing gloves, and enhances the durability and heat dissipation of the device through dust prevention and heat dissipation through mesh.
Smart Images
Figure CN223679633U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to touch technology field, concretely is a kind of touch screen. BACKGROUND
[0002] With the continuous development of electronic technology, the application of touch screen is more and more widely, touch screen is a kind of input device widely used in electronic products, it uses the movement of user's finger to control the action of pointer, with intuitive, simple and fast advantage, the development in the field of smart phone and tablet computer is most rapid, and touch screen sensor as important component of touch screen, plays extremely important role in the process of using touch screen;Currently, when making flexible pressure sensor, indium tin oxide (ITO) is mostly used as transparent electrode of flexible pressure sensor;As a kind of N-type indium tin oxide semiconductor, ITO has good conductivity and transparency, can cut off harmful electronic radiation, ultraviolet and far infrared to human body, therefore, it is often sprayed on glass, plastic and electronic display screen and used as transparent electrode.
[0003] In electronic products, touch screen is mostly used, most of current touch screen is needed to contact the screen with user's hand to accurately touch, if wearing gloves, the accuracy of touch will greatly reduce, and the practicability is poor;Therefore, in order to solve the above problems, a kind of touch screen is provided. INVENTION CONTENTS
[0004] The utility model mainly solves the technical problem of prior art, and provides a kind of touch screen.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of touch screen, including shell, resistance touch sensing mechanism and ventilating heat dissipation mechanism, the resistance touch sensing mechanism includes cover glass, the rear side of the cover glass is fixedly connected with ITO induction layer one, the inside of the shell is fixedly connected with fixed block, the side of the fixed block is fixedly connected with ITO induction layer two, the inside of the shell is fixedly installed with touch controller, the other side of the fixed block is fixedly installed with liquid crystal display, the side of the liquid crystal display is electrically connected with display controller, ITO induction layer one is arranged at the rear side position of cover glass, ITO induction layer two is arranged at the rear side position of ITO induction layer one.
[0006] Preferably, the cover glass is fixedly connected with the inside of the shell, and the cover glass is arranged at the front side position in the inside of the shell, the front side of the shell is closed by the cover glass, so that ITO induction layer one and ITO induction layer two can be protected.
[0007] Preferably, the touch controller is fixedly installed on the inner side of the shell, the touch controller is electrically connected with the ITO sensing layer I and the ITO sensing layer II, the display controller is fixedly installed on the inner side of the shell, the touch controller is arranged on one side of the inner side of the shell, and the display controller is arranged on the other side of the inner side of the shell.
[0008] Preferably, the air-permeable heat dissipation mechanism comprises a first clamping groove, a rear cover plate is fixedly connected in the first clamping groove through screws, and a plurality of heat dissipation grooves are vertically and penetratingly formed in the surface of the rear cover plate.
[0009] Preferably, the first clamping groove is formed in the inner side of the shell, and a gauze is fixedly connected to one side of the rear cover plate and arranged on the inner side of the shell, so that the heat dissipation grooves are covered by the gauze and dust is prevented from entering the inner side of the shell through the heat dissipation grooves.
[0010] Preferably, a second clamping groove is formed in the inner side of the shell, and an upper cover plate is fixedly connected in the second clamping groove through screws, and one side of the upper cover plate is bent, so that the one side of the upper cover plate is clamped on the outer side of the cover glass and the edge of the cover glass is prevented from being exposed.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] 1、The utility model discloses a resistance touch sensing mechanism is arranged, when the user touches the cover glass, the cover glass will drive ITO sensing layer I to press down, makes ITO sensing layer I contact ITO sensing layer II, forms the circuit to detect the touch position, and the touch controller is used for processing the signal from the upper and lower conductive layers, calculates the coordinate of the touch point, and the touch screen is set through the resistance, and the resistance touch screen can detect very slight touch, so can be operated by finger, glove, stylus etc.
[0013] 2、The utility model discloses an air-permeable heat dissipation mechanism, the gauze is fixed on the front side of the rear cover plate, then the rear cover plate is fixed in the first clamping groove through screws, the rear side of the shell is shielded and protected through the rear cover plate, and the heat of the element in the shell can be dissipated through the heat dissipation groove when operating, so that the rear cover plate has the effect of heat dissipation, and when dissipating heat, the gauze covers the heat dissipation groove, and external dust can be prevented from entering the inner side of the shell through the heat dissipation groove. DRAWINGS
[0014] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model.
[0015] Figure 1It is the structure schematic diagram of the front view of the utility model as a whole;
[0016] Figure 2 It is the structure schematic diagram of the back view of the utility model as a whole;
[0017] Figure 3 It is the structure schematic diagram of the upper view of the utility model as a whole;
[0018] Figure 4 It is the structure schematic diagram of the back view of the utility model as a whole.
[0019] In the drawing: 1, shell; 2, cover glass; 3, ITO sensing layer one; 4, fixed block; 5, ITO sensing layer two; 6, touch controller; 7, liquid crystal display; 8, display controller; 9, first clamping groove; 10, back cover; 11, heat dissipation groove; 12, gauze; 13, second clamping groove; 14, upper cover plate. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.
[0021] Please refer to Figures 1-4The utility model provides a kind of touch screen, including shell 1, resistance touch sensing mechanism and breathable heat dissipation mechanism, resistance touch sensing mechanism includes cover glass 2, the rear side of cover glass 2 is fixedly connected with ITO sensing layer one 3, the inside of shell 1 is fixedly connected with fixed block 4, one side of fixed block 4 is fixedly connected with ITO sensing layer two 5, the inside of shell 1 is fixedly installed with touch controller 6, the other side of fixed block 4 is fixedly installed with liquid crystal display 7, one side of liquid crystal display 7 is electrically connected with display controller 8, cover glass 2 is arranged in the inside of shell 1 and is fixedly connected with the inside of shell 1, cover glass 2 is arranged in the inside of shell 1 and is fixedly connected with the inside of shell 1, cover glass 2 is arranged in the inside of shell 1 and is fixedly connected with the inside of shell 1, cover glass 2 is arranged in the inside of shell 1 and is fixedly connected with the inside of shell 1, touch controller 6 is fixedly installed in the inside of shell 1, touch controller 6 is electrically connected with ITO sensing layer one 3 and ITO sensing layer two 5, display controller 8 is fixedly installed in the inside of shell 1, when user touches cover glass 2, cover glass 2 will drive ITO sensing layer one 3 this layer to press down, so that ITO sensing layer one 3 contacts ITO sensing layer two 5, forms circuit to detect touch position, touch controller 6 is used to process signal from upper and lower conductive layers, calculates the coordinate of touch point, and the touch screen is set by resistance, so that resistance touch screen can detect very slight touch, so it can be operated by finger, glove, stylus etc., and is suitable for fine operation.
[0022] In an aspect of the embodiment, the gauze 12 is fixed on the front side of the rear cover plate 10, and then the rear cover plate 10 is fixed in the first clamping groove 9 by screws. The rear side of the shell 1 is shielded and protected by the rear cover plate 10. At the same time, the heat generated by the elements in the shell 1 during operation can be dissipated from the heat dissipation groove 11, so that the rear cover plate 10 has the function of heat dissipation. During heat dissipation, the gauze 12 blocks the heat dissipation groove 11, which can prevent external dust from entering the inside of the shell 1 through the heat dissipation groove 11.
[0023] In an aspect of the embodiment, the upper cover plate 14 is fixed in the second clamping groove 13 by screws. One side of the upper cover plate 14 is bent, which can clamp the cover glass 2.
[0024] The utility model discloses a working principle: this touch screen sensor and touch screen when using, the cover glass 2 protects the inside layer from the external physical damage, simultaneously provides a smooth touch surface, when the user touches the cover glass 2, the cover glass 2 will drive ITO sensing layer one 3 this layer to press down, makes ITO sensing layer one 3 contact ITO sensing layer two 5, and two layers form the circuit to detect touch position, touch controller 6 is used to handle the signal from ITO sensing layer one 3,ITO sensing layer two 5, calculates the coordinate of touch point, and touch controller 6 and liquid crystal display 7 electric connection, and the contact of touch point makes electric signal pass touch point and deliver to touch controller 6, and touch controller 6 applies voltage in X axle and Y axle direction respectively, detects voltage variation, and touch controller 6 calculates the X, Y coordinate of touch point through the measurement voltage variation, and coordinate information is transmitted to the main processor of equipment, and liquid crystal display 7 shows image content, and the below of ITO sensing layer one 3 and ITO sensing layer two 5 are electrically connected with touch controller 6, are used to receive the signal of touch controller 6, and display controller 8 manages and controls liquid crystal display 7, handles the image signal from equipment main processor, and updates display content, and liquid crystal display 7 shows the image content after processing on the screen, all the electric equipment in the scheme are powered by external power supply.
[0025] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and do not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.
Claims
1. A touch screen, comprising a housing (1), a resistive touch sensing mechanism, and a ventilated heat dissipation mechanism, characterized in that: The resistive touch sensing mechanism includes a cover glass (2), an ITO sensing layer (3) fixedly connected to the rear side of the cover glass (2), a fixing block (4) fixedly connected inside the outer shell (1), an ITO sensing layer (5) fixedly connected to one side of the fixing block (4), a touch controller (6) fixedly installed inside the outer shell (1), a liquid crystal display (7) fixedly installed on the other side of the fixing block (4), and a display controller (8) electrically connected to one side of the liquid crystal display (7).
2. A touchscreen according to claim 1, characterized in that: The cover glass (2) is fixedly connected to the inside of the outer shell (1) and is located at the front side of the outer shell (1).
3. A touchscreen according to claim 1, characterized in that: The touch controller (6) is fixedly installed on the inside of the housing (1). The touch controller (6) is electrically connected to the ITO sensing layer one (3) and the ITO sensing layer two (5). The display controller (8) is fixedly installed on the inside of the housing (1).
4. A touchscreen according to claim 1, characterized in that: The ventilation and heat dissipation mechanism includes a first slot (9), and a rear cover plate (10) is fixedly connected inside the first slot (9) by screws. A heat dissipation groove (11) is opened through the surface of the rear cover plate (10).
5. A touchscreen according to claim 4, characterized in that: The first slot (9) is opened inside the outer shell (1), and a mesh (12) is fixedly connected to one side of the rear cover plate (10).
6. A touchscreen according to claim 1, characterized in that: The outer casing (1) has a second slot (13) inside, and the upper cover plate (14) is fixedly connected to the inside of the second slot (13) by screws.