Antibacterial capacitive touch screen
By introducing an antibacterial shell and built-in antibacterial film into the capacitive touchscreen, and utilizing the antibacterial properties of the nano-silver coating, the problems of sweat and microbial residues are solved, achieving screen corrosion resistance and improved touch accuracy, thereby enhancing user experience and ease of device maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN HIPI TECH CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-05-12
AI Technical Summary
During use, existing capacitive touchscreens are frequently in contact with users' fingers, and sweat and microorganisms from the hands can easily remain on the screen surface, leading to bacterial transmission and screen corrosion, which affects capacitive sensing performance and touch positioning accuracy.
A touchscreen with an antibacterial shell and an internal antibacterial film was designed. The film forms a physical isolation layer to block the contact between the finger and the screen surface, and uses the antibacterial properties of the nano-silver coating to inhibit the growth of microorganisms. A detachable fixing mechanism is set up to facilitate the replacement of the antibacterial film.
It effectively prevents sweat and microbial residue, protects the integrity of the capacitive sensing layer, prevents touch malfunction, improves the user experience, and enhances the maintainability and usability of the touchscreen.
Smart Images
Figure CN224232169U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of touch screen technology, and in particular to an antibacterial capacitive touch screen. Background Technology
[0002] A capacitive touchscreen is a touchscreen technology that enables operation by sensing changes in capacitance between a human finger or conductive object and the screen surface. It consists of a transparent conductive layer, a glass substrate, and sensing electrodes. When a finger touches the screen, the capacitance changes, and a controller on the screen measures these changes to locate the touch point.
[0003] However, during use, frequent contact with users' fingers allows sweat and microorganisms from the hands to easily remain on the screen surface of current capacitive touchscreens, potentially spreading between users and becoming a source of bacteria. Simultaneously, the acidic or alkaline metabolites produced by microbial growth can corrode the touchscreen surface material. Long-term corrosion can lead to a decrease in the screen's capacitive sensing performance, reduced touch positioning accuracy, and even touch malfunction, thus impacting the user experience. Summary of the Invention
[0004] The main purpose of this invention is to provide an antibacterial capacitive touchscreen, which aims to improve the user's operating experience.
[0005] To achieve the above objectives, the present invention proposes an antibacterial capacitive touch screen, comprising a housing, wherein the touch screen is disposed inside the housing, and an antibacterial shell, wherein an accommodating space is disposed inside the antibacterial shell, wherein the outer surface of the housing is slidably connected to the inner wall of the accommodating space, wherein an antibacterial film is disposed between the inside of the antibacterial shell and the touch screen, wherein a display area is disposed on the side of the antibacterial shell away from the housing, and wherein fixing components for fixing or removing the antibacterial shell are provided on both sides of the housing.
[0006] In one possible implementation, the housing has receiving grooves on both sides, the antibacterial shell has card slots on both sides, and the fixing component includes a card block that engages with the card slot and a first elastic member. One end of the first elastic member is fixedly connected to the bottom of the receiving groove, and the other end of the first elastic member is fixedly connected to the card block.
[0007] In one possible implementation, both the card block and the receiving groove have square cross-sections, and the card block is slidably connected to the inner wall of the receiving groove.
[0008] In one possible implementation, a guide rod is fixedly connected inside the receiving groove, the guide rod is slidably connected to the inside of the locking block, and a first elastic element is sleeved on the outer surface of the guide rod.
[0009] In one possible implementation, a pressing assembly is further provided between the antibacterial membrane and the antibacterial shell. The pressing assembly includes a pressing plate and a plurality of second elastic elements. One end of each second elastic element is fixedly connected to the side of the accommodating space, and the other end of each second elastic element is fixedly connected to the pressing plate. The end of the pressing plate away from the second elastic elements abuts against the antibacterial membrane.
[0010] In one possible implementation, a pressing block is fixedly connected to the top of the card block, and an avoidance groove is provided on one side of the card block, the length of the card block being less than the length of the avoidance groove.
[0011] In one possible implementation, positioning posts are fixedly connected to the four corners of the shell near the antibacterial shell, and positioning holes are provided at the four corners of the antibacterial membrane. Each positioning post is slidably connected to the corresponding positioning hole.
[0012] This invention utilizes an antibacterial shell and an internal antibacterial film to form a physical isolation layer, directly blocking contact between the user's fingers and the screen surface, effectively preventing sweat and microbial residue. The antibacterial film's antibacterial properties inhibit microbial growth, prevent metabolic waste from corroding the screen material, protect the integrity of the capacitive sensing layer, prevent touch malfunction, and improve the user experience. The included fixing mechanism allows the antibacterial shell to be detached independently, facilitating user replacement of the antibacterial film and continuously maintaining the touchscreen's antibacterial protection and hygiene, thus improving its maintainability and usability. Attached Figure Description
[0013] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.
[0014] Figure 1 This is a schematic diagram of the structure of the present utility model. Figure 1 ;
[0015] Figure 2 This is a schematic diagram of the structure of the present utility model. Figure 2 ;
[0016] Figure 3 This is a partial exploded view of the structure of this utility model;
[0017] Figure 4 This is a partial cross-sectional view of the present invention;
[0018] Figure 5 for Figure 4 Enlarged diagram of point A in the middle.
[0019] Explanation of reference numerals: 1. Housing; 101. Touch screen; 102. Antibacterial housing; 103. Accommodating space; 104. Antibacterial film; 105. Display area; 2. Accommodating groove; 201. Card slot; 202. Card block; 203. First elastic element; 204. Guide rod; 205. Pressing block; 206. Clearance groove; 207. Positioning post; 208. Positioning hole; 3. Pressing plate; 301. Second elastic element.
[0020] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation
[0021] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.
[0022] refer to Figure 1-5 This embodiment proposes an antibacterial capacitive touch screen 101, including a housing 1, with the touch screen 101 disposed inside the housing 1, and also including an antibacterial shell 102, with an accommodating space 103 disposed inside the antibacterial shell 102, the outer surface of the housing 1 being slidably connected to the inner wall of the accommodating space 103, an antibacterial film 104 disposed between the inside of the antibacterial shell 102 and the touch screen 101, a display area 105 disposed on the side of the antibacterial shell 102 away from the housing 1, the size of the display area 105 being equal to the size of the touch screen 101, and fixing components for fixing or removing the antibacterial shell 102 being provided on both sides of the housing 1.
[0023] The antibacterial film 104 can be made of PET substrate with a layer of nano-silver coating on its surface. PET itself has high light transmittance (≥92%), flexibility, and chemical stability, making it suitable as a substrate. The nano-silver coating can destroy bacterial cell membranes by releasing silver ions, achieving long-lasting antibacterial effect. Furthermore, the nano-silver coating is applied to the side of the antibacterial film 104 away from the touchscreen, maintaining a distance from the touchscreen surface. Its conductivity will not interfere with the electric field of the touchscreen 101, thus not affecting the touch function of the capacitive touchscreen 101. Secondly, the touchscreen 101 in this embodiment can be a Liliput brand, specifically model FA1014-NP / C / T.
[0024] The antibacterial shell 102 and the built-in antibacterial film 104 form a physical isolation layer, directly blocking the user's fingers from contacting the screen surface and effectively preventing sweat and microbial residue. The antibacterial properties of the antibacterial film 104 inhibit microbial growth, prevent metabolic waste from corroding the screen material, protect the integrity of the capacitive sensing layer, prevent touch malfunction, and improve the user experience. The fixing mechanism allows the antibacterial shell 102 to be removed separately, making it convenient for users to replace the antibacterial film 104, thereby continuously maintaining the antibacterial protection performance and hygiene of the touchscreen 101 and improving the maintainability and usability of the touchscreen 101.
[0025] Specifically, receiving grooves 2 are provided on both sides of the shell 1, and slots 201 are provided on both sides of the antibacterial shell 102. The fixing component includes a block 202 that engages with the slot 201 and a first elastic member 203. One end of the first elastic member 203 is fixedly connected to the bottom of the receiving groove 2, and the other end of the first elastic member 203 is fixedly connected to the block 202.
[0026] When the operator needs to replace the antibacterial membrane 104, he only needs to press the locking block 202 to move it in the direction of compressing the first elastic element 203 and disengage the locking block 202 from the locking slot 201 to complete the disassembly of the antibacterial shell 102. The operation is simple and can be completed without the use of tools, which improves the convenience of using the equipment.
[0027] Secondly, to facilitate pressing the locking block 202 back into the receiving groove 2 and disengaging it from the slot 201, a pressing block 205 is fixedly connected to the top of the locking block 202. A clearance groove 206 is provided on one side of the locking block 202, and the length of the locking block 202 is less than the length of the clearance groove 206. With the pressing block 205 in place, when pressing the locking block 202, the user does not need to insert their fingers into the slot 201; they only need to use the pressing block 205 to disengage the top of the locking block 202 from the bottom of the slot 201. The specific principle is as follows: When the user disassembles the antibacterial shell 102, pressing the locking block 202 with the pressing block 205 disengages the top of the locking block 202 from the bottom of the slot 201. The clearance groove 206 on one side of the slot 201 provides space for the pressing block 205 to pass through, ensuring that the pressing block 205 does not need to be completely retracted into the receiving groove 2 to complete the disassembly of the antibacterial shell 102, thus facilitating the replacement of the antibacterial membrane 104.
[0028] In this embodiment, both the locking block 202 and the receiving groove 2 are designed with square cross-sections, and the locking block 202 is slidably connected to the inner wall of the receiving groove 2. The square structure design makes the movement of the locking block 202 within the receiving groove 2 more stable and precise, preventing the locking block 202 from shifting during installation or disassembly, ensuring that the locking block 202 can accurately engage with the locking groove 201, and improving the reliability of the fixing component.
[0029] Furthermore, a guide rod 204 is fixedly connected inside the receiving groove 2. The guide rod 204 is slidably connected to the inside of the locking block 202, and the first elastic element 203 is sleeved on the outer surface of the guide rod 204. The sliding of the locking block 202 on the guide rod 204 can further prevent the locking block 202 from tilting or shifting during the force process. At the same time, the first elastic element 203 sleeved on the outer surface of the guide rod 204 can also prevent the elastic element from twisting and deforming during the extension and contraction process, thus extending the service life of the first elastic element 203.
[0030] In this embodiment, a pressing assembly is also provided between the antibacterial membrane 104 and the antibacterial shell 102. The pressing assembly includes a pressing plate 3 and a plurality of second elastic elements 301 (the first elastic element 203 and the second elastic element 301 can be cylindrical compression springs). One end of each second elastic element 301 is fixedly connected to the side of the accommodating space 103, and the other end of each second elastic element 301 is fixedly connected to the pressing plate 3. The end of the pressing plate 3 away from the second elastic elements 301 abuts against the antibacterial membrane 104.
[0031] By setting the pressure plate 3 and several second elastic elements 301, a certain pressure can be applied to the periphery of the antibacterial film 104, so that the antibacterial film 104 is tightly attached to the surface of the touch screen 101, reducing the possibility of bacteria or microorganisms entering through the gap between the antibacterial film 104 and the touch screen 101, thereby making the antibacterial film 104 better protect the touch screen 101.
[0032] Meanwhile, the second elastic element 301 has a certain buffering effect. When the touch screen 101 is subjected to external force impact, the pressing component can play a buffering role, reduce the direct damage of external force to the touch screen 101, and extend the service life of the touch screen 101.
[0033] In addition, when the card block 202 disengages from the card slot 201, the second elastic element 301 will rebound, automatically popping the antibacterial shell 102 out of the shell 1, making it easy for the user to disassemble and thus improving the user's maintenance efficiency.
[0034] In this embodiment, positioning posts 207 are fixedly connected to the four corners of the housing 1 near the antibacterial shell 102, and positioning holes 208 are provided at the four corners of the antibacterial film 104. Each positioning post 207 is slidably connected to the corresponding positioning hole 208. The cooperation between the positioning posts 207 and the positioning holes 208 allows the antibacterial film 104 to be quickly and accurately positioned on the touch screen 101 during installation, ensuring that the antibacterial film 104 is correctly installed. At the same time, the positioning posts 207 can also limit the movement of the antibacterial film 104 to a certain extent, making the antibacterial film 104 more stably adhere to the surface of the touch screen 101. Secondly, a positioning hole 208 of the same size can also be provided at the four corners of the clamping plate 3 for installing the antibacterial shell 102.
[0035] Working principle:
[0036] When the user removes the antibacterial case 102, pressing the locking block 202 with the pressing block 205 causes the top of the locking block 202 to disengage from the bottom of the locking slot 201. Simultaneously, as the antibacterial case 102 loses its fixation, each of the second elastic elements 301 quickly returns to its original shape, pushing the antibacterial case 102 away from the housing 1, thus causing the clearance groove 206 on the antibacterial case 102 to pass the position of the pressing block 205. At this point, the user can remove the antibacterial case 102 from the housing 1 and further remove the antibacterial film 104 from the touchscreen 101 for replacement.
[0037] When replacing the antibacterial film 104, the user should take an unused antibacterial film 104 of the same size as the original, and align the positioning holes 208 at the four corners of the antibacterial film 104 with the positioning posts 207 at the four corners of the housing 1, so that one side of the antibacterial film 104 is flush with one side of the housing 1. Next, the user presses down the locking block 202 by pressing the pressing block 205, causing the locking block 202 to retract into the receiving groove 2, and then puts the antibacterial shell 102 onto the outer surface of the housing 1 and slowly pushes it in. When the position of the locking block 202 is aligned with the position of the slot 201, the user can release the pressing block 205, and the locking block 202 will engage with the slot 201 under the action of the first elastic element 203, thereby fixing the antibacterial shell 102.
[0038] In the accompanying drawings of this embodiment, the same or similar reference numerals correspond to the same or similar components. In the description of this application, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, they are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the accompanying drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.
[0039] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.
Claims
1. An antibacterial capacitive touchscreen (101), comprising a housing (1), wherein the touchscreen (101) is disposed inside the housing (1), characterized in that: It also includes an antibacterial shell (102), the antibacterial shell (102) has an internal accommodating space (103), the outer surface of the shell (1) is slidably connected to the inner wall of the accommodating space (103), an antibacterial film (104) is provided between the inside of the antibacterial shell (102) and the touch screen (101), a display area (105) is provided on the side of the antibacterial shell (102) away from the shell (1), and fixing components for fixing or removing the antibacterial shell (102) are provided on both sides of the shell (1).
2. The antibacterial capacitive touchscreen (101) according to claim 1, characterized in that: The housing (1) has receiving grooves (2) on both sides, and the antibacterial shell (102) has slots (201) on both sides. The fixing component includes a locking block (202) that engages with the slot (201) and a first elastic element (203). One end of the first elastic element (203) is fixedly connected to the bottom of the receiving groove (2), and the other end of the first elastic element (203) is fixedly connected to the locking block (202).
3. The antibacterial capacitive touchscreen (101) according to claim 2, characterized in that: The cross-sections of the card block (202) and the receiving groove (2) are both square, and the card block (202) is slidably connected to the inner wall of the receiving groove (2).
4. The antibacterial capacitive touchscreen (101) according to claim 2, characterized in that: A guide rod (204) is fixedly connected inside the receiving groove (2). The guide rod (204) is slidably connected to the inside of the locking block (202), and the first elastic element (203) is sleeved on the outer surface of the guide rod (204).
5. The antibacterial capacitive touchscreen (101) according to claim 2, characterized in that: A pressing assembly is also provided between the antibacterial membrane (104) and the antibacterial shell (102). The pressing assembly includes a pressing plate (3) and a plurality of second elastic elements (301). One end of each second elastic element (301) is fixedly connected to the side of the accommodating space (103), and the other end of each second elastic element (301) is fixedly connected to the pressing plate (3). The end of the pressing plate (3) away from the second elastic elements (301) abuts against the antibacterial membrane (104).
6. The antibacterial capacitive touchscreen (101) according to claim 2, characterized in that: A pressing block (205) is fixedly connected to the top of the card block (202), and an avoidance groove (206) is provided on one side of the card block (202). The length of the card block (202) is less than the length of the avoidance groove (206).
7. The antibacterial capacitive touchscreen (101) according to claim 2, characterized in that: Positioning posts (207) are fixedly connected to the four corners of the shell (1) near the antibacterial shell (102), and positioning holes (208) are provided at the four corners of the antibacterial membrane (104). Each positioning post (207) is slidably connected to the corresponding positioning hole (208).