Low-temperature operation touch screen

Abstract

The utility model discloses a low-temperature operation touch screen which comprises conductive glass, a conductive film is arranged on one side of the conductive glass, and a five-line touch sensing circuit is arranged at the bottom of the conductive glass. The conductive film and the conductive glass can be tightly attached under the low-temperature condition, the separation phenomenon caused by too low temperature is avoided, the conductive film and the conductive glass are stably connected, so that a user can obtain smooth and accurate touch experience under the low-temperature (-40 DEG C) environment, and the user experience is improved. Due to the fact that the conductive copper foil is further sealed and protected by the protective outer frame, the design not only protects the conductive copper foil from being eroded by the external environment, but also improves durability and reliability of the whole touch screen, and normal work of the touch screen can be guaranteed even under the extremely low temperature condition.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic electrical, display device technical field, concretely is a low temperature operation touch -sensitive screen. BACKGROUND

[0002] Display device is the main part of the display, and is mainly divided into mechanical indicating device and electronic display device, and the display device is the equipment that electric signal or other forms of information are converted into image or text that human visual can perceive. They are widely used in various electronic devices, such as television, computer display, mobile phone screen etc., for displaying various information, including text, graphics, images, animation etc.

[0003] The existing 5-line touch screen can only normally touch resistance screen at limit zero minus 30 degrees Celsius, cannot normally use under the condition of lower temperature, limits its application in extreme cold environment, in lower temperature environment, touch screen can not accurately identify the touch operation of user, lead to slow response, inaccurate touch even complete non-response, this will seriously affect the user experience, reduce user satisfaction, therefore we need to put forward a kind of low temperature operation touch screen. UTILITY MODEL CONTENT

[0004] The utility model discloses a low temperature operation touch screen, through the setting of conductive copper foil, its good conductivity and adhesion ensure that conductive film and conductive glass can also be closely attached under low temperature condition, avoid the separation phenomenon caused by temperature reduction, to solve the problem in the prior art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of low temperature operation touch screen, including conductive glass, the side of the conductive glass is provided with conductive film, the bottom of the conductive glass is provided with 5-line touch sensing circuit;

[0007] The outer side of the conductive glass and conductive film is provided with conductive copper foil for preventing the separation of conductive film and conductive glass in low temperature environment, and the outer side of the conductive copper foil is provided with a protective outer frame for further sealing and protecting the conductive copper foil.

[0008] Preferably, the protective outer frame is provided with a first compression frame inside, and the first compression frame is provided with a protective gasket on one side for protecting the surface of the conductive film.

[0009] Preferably, the protective gasket is attached to one side of the conductive film, and the bottom of the conductive copper foil is provided with a first through slot for the use of 5-line touch sensing circuit.

[0010] Preferably, a connecting frame is provided on one side of the protective outer frame, and a second clamping frame is provided inside the connecting frame.

[0011] Preferably, one side of the second clamping frame is attached to one side of the conductive glass, and a second through groove is provided at the bottom of the protective outer frame.

[0012] Preferably, one side of the connecting frame has multiple sets of mounting holes, and each set of mounting holes is provided with a fixing bolt. One side of the protective outer frame has multiple sets of threaded holes for the installation of fixing bolts.

[0013] Preferably, the multiple sets of fixing bolts are threaded into the interior of the multiple sets of threaded holes, and the multiple sets of fixing bolts and the multiple sets of threaded holes are arranged in a rectangular array.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This invention utilizes conductive copper foil, whose excellent conductivity and adhesion ensure a tight bond between the conductive film and conductive glass even at low temperatures, preventing separation due to excessively low temperatures. Because a stable connection is maintained between the conductive film and conductive glass, users can enjoy a smooth and accurate touch experience even in low-temperature environments (extremely low temperatures of -40 degrees Celsius), thus enhancing the stability of the touchscreen. The protective frame further seals and protects the conductive copper foil. This design not only protects the conductive copper foil from external environmental corrosion but also improves the overall durability and reliability of the touchscreen, ensuring its normal operation even under extreme low-temperature conditions. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a cross-sectional schematic diagram of the conductive copper foil and protective frame of this utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the connecting frame and the second clamping frame of this utility model;

[0019] Figure 4 This utility model Figure 3 Enlarged diagram of area A in the middle.

[0020] In the diagram: 1. Conductive glass; 2. Conductive film; 3. 5-wire touch sensing circuit; 4. Conductive copper foil; 5. Protective frame; 6. First clamping frame; 7. Protective gasket; 8. First through groove; 9. Connecting frame; 10. Second clamping frame; 11. Second through groove; 12. Mounting hole; 13. Fixing bolt; 14. Threaded hole. Detailed Implementation

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described in connection with 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 labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0023] A low-temperature operation touch screen, including conductive glass 1, one side of conductive glass 1 is provided with conductive film 2, the bottom of conductive glass 1 is provided with 5 line touch sensing circuit 3;

[0024] The outer side of conductive glass 1 and conductive film 2 is provided with conductive copper foil 4 for preventing the separation of conductive film 2 and conductive glass 1 in low-temperature environment, and the outer side of conductive copper foil 4 is provided with protective outer frame 5 for further sealing and protecting the conductive copper foil 4.

[0025] The inside of protective outer frame 5 is provided with first compression frame 6, and one side of first compression frame 6 is provided with protective gasket 7 for protecting the surface of conductive film 2.

[0026] Through the setting of first compression frame 6 and protective gasket 7, the common action of first compression frame 6 and protective gasket 7 makes the conductive film 2 of the touch screen keep flat and closely adhere to the conductive glass 1, which not only helps to improve the sensitivity and accuracy of touch, but also ensures that the user obtains smooth and comfortable experience when touching the screen.

[0027] One side of protective gasket 7 is attached to one side of conductive film 2, and the bottom of conductive copper foil 4 is provided with first through slot 8 for the use of 5 line touch sensing circuit 3.

[0028] Through the setting of protective gasket 7 and first through slot 8, protective gasket 7 is directly attached to one side of conductive film 2, which provides an additional protective layer for it, and can effectively prevent the conductive film 2 from being scratched, worn or subjected to other physical damage, so as to ensure the integrity and functionality of the touch screen, and the first through slot 8 provides a convenient channel for the 5 line touch sensing circuit 3, so that the touch sensing circuit can easily pass through the conductive copper foil 4 and be connected with other parts of the touch screen.

[0029] One side of protective outer frame 5 is provided with connecting frame 9, and the inside of connecting frame 9 is provided with second compression frame 10.

[0030] Through the arrangement of the connecting frame 9 and the second compression frame 10, the second compression frame 10 serves as an important component inside the protective outer frame 5, fixed and supported by the connecting frame 9, which can firmly compress the conductive glass 1 and the conductive film 2, preventing them from loosening or shifting under external force. This stable structure helps to improve the overall durability and impact resistance of the touch screen, ensuring stable performance during long-term use.

[0031] One side of the second compression frame 10 is in close contact with one side of the conductive glass 1, and the bottom of the protective outer frame 5 is provided with a second through slot 11.

[0032] Through the arrangement of the second compression frame 10 and the second through slot 11, the second compression frame 10 further compresses the conductive glass 1 and the conductive film 2, enhancing the stability of the entire structure, making it easier for the 5-wire touch sensing line 3 to connect to other parts of the touch screen in actual application.

[0033] One side of the connecting frame 9 is provided with multiple groups of mounting holes 12, and the inside of each group of mounting holes 12 is provided with a fixed bolt 13. One side of the protective outer frame 5 is provided with multiple groups of threaded holes 14 for the installation of fixed bolts 13.

[0034] Through the arrangement of the mounting hole 12, the fixed bolt 13 and the threaded hole 14, the fixed bolt 13 firmly connects the connecting frame 9 and the protective outer frame 5 together, which can significantly enhance the stability of the entire touch screen structure. The combination of fixed bolts 13 and threaded holes 14 makes the connection more secure and reliable, effectively preventing loosening or shifting that may occur during use.

[0035] Multiple groups of fixed bolts 13 are respectively screwed into the inside of multiple groups of threaded holes 14, and multiple groups of fixed bolts 13 and multiple groups of threaded holes 14 are arranged in a rectangular array.

[0036] Through the rectangular array arrangement of the fixed bolt 13 and the threaded hole 14, it can ensure that the fixed bolt 13 and the threaded hole 14 are evenly distributed on the connecting frame 9 and the protective outer frame 5, thereby providing more balanced fixing force. This design helps to prevent structural damage caused by stress concentration and improves the overall strength of the connection.

[0037] Working principle: the utility model uses, when the user touches the screen, the electric capacity coupling is formed between the finger and the conductive film 2, the signal is transmitted to the controller of the touch screen through 5 line touch sensing circuit 3 and is handled, under the low temperature environment, the conductive copper foil 4 and the protective frame 5 jointly act, ensure that the conductive film 2 and the conductive glass 1 keep close adhesion, prevent the separation phenomenon caused by temperature reduction, guarantee the normal work of touch screen, simultaneously, the synergies of first pressure frame 6, second pressure frame 10 and protective gasket 7 etc. component, further strengthen the structural stability and durability of touch screen, ensure that it can provide stable, reliable touch experience under various environments.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A low temperature operating touch screen comprising a conductive glass (1), characterized in that: The conductive glass (1) is provided with a conductive film (2) on one side, and the bottom of the conductive glass (1) is provided with a 5-line touch sensing circuit (3); The outer side of the conductive glass (1) and the conductive film (2) is provided with a conductive copper foil (4) to prevent the conductive film (2) and the conductive glass (1) from separating in a low-temperature environment, and the outer side of the conductive copper foil (4) is provided with a protective outer frame (5) for further sealing and protecting the conductive copper foil (4).

2. A low temperature operating touch screen according to claim 1, wherein: The inside of the protective outer frame (5) is provided with a first compression frame (6), and one side of the first compression frame (6) is provided with a protective gasket (7) for protecting the surface of the conductive film (2).

3. A low temperature operating touch screen according to claim 2, wherein: One side of the protective gasket (7) is attached to one side of the conductive film (2), and the bottom of the conductive copper foil (4) is provided with a first through slot (8) for the 5-line touch sensing circuit (3).

4. The low temperature operating touch screen of claim 1, wherein: One side of the protective outer frame (5) is provided with a connecting frame (9), and the inside of the connecting frame (9) is provided with a second compression frame (10).

5. A low temperature operating touch screen according to claim 4, wherein: One side of the second compression frame (10) is attached to one side of the conductive glass (1), and the bottom of the protective outer frame (5) is provided with a second through slot (11).

6. A low temperature operating touch screen according to claim 4, wherein: One side of the connecting frame (9) is provided with a plurality of mounting holes (12), and the inside of each mounting hole (12) is provided with a fixing bolt (13).

7. A low temperature operating touch screen according to claim 6, wherein: A plurality of fixing bolts (13) are respectively screwed into a plurality of threaded holes (14), and the fixing bolts (13) and the threaded holes (14) are arranged in a rectangular array.

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