A glove-operated touch screen device with adjustable electrode spacing

Abstract

The utility model relates to touch screen technical field, concretely is a kind of glove operation touch screen device with adjustable electrode spacing, including touch screen body, the surface of touch screen body is equipped with multiple evenly distributed electrode module, the electrode module is all through guiding connecting piece and is connected with the guide rail base plate of being arranged in touch screen body inside, micro drive mechanism is equipped between the adjacent group of electrode module, and the lower part of guide rail base plate is integrated with the flexible circuit layer for power supply and signal transmission, one side of touch screen body is equipped with control unit. The glove operation touch screen device with adjustable electrode spacing can dynamically adjust electrode spacing according to user hand type and operation demand, improve the touch sensitivity and operation accuracy when wearing gloves, effectively reduce the mis-touch rate, enhance the adaptability and use convenience of equipment.

Description

Technical Field

[0001] This utility model relates to the field of touch screen technology, specifically to a glove-operated touch screen device with adjustable electrode spacing. Background Technology

[0002] With the widespread use of electronic devices, touchscreens have become an indispensable human-computer interaction interface in various terminal devices. In some special working environments, such as medical, industrial control, and low-temperature operations, operators often need to wear gloves for touch operation. However, traditional touchscreens suffer from decreased sensitivity or even failure to recognize data when wearing gloves, thus leading to the development of touchscreen devices optimized for glove operation.

[0003] Most existing glove-operated touchscreen devices adopt a fixed electrode distribution structure, with a fixed spacing between the electrodes. This makes it impossible to adapt to the user's finger size, glove thickness, and operating habits. This structural limitation can lead to problems such as accidental touches and slow response during use, reducing the accuracy and convenience of operation, and affecting user experience and work efficiency. At the same time, because the electrode spacing is not adjustable, these devices can usually only fit specific hand sizes, resulting in poor versatility and difficulty in meeting diverse usage needs. Utility Model Content

[0004] The purpose of this invention is to provide a glove-operated touch screen device with adjustable electrode spacing, in order to solve the problems mentioned in the background art, which are mostly based on a fixed electrode distribution structure in current glove-operated touch screen devices, resulting in low touch sensitivity, poor operation accuracy, high false touch rate, and difficulty in adapting to different user hand shapes and usage habits.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a glove-operated touchscreen device with adjustable electrode spacing, comprising a touchscreen body, wherein a plurality of uniformly distributed electrode modules are provided on the surface of the touchscreen body, and each electrode module is movably connected to a guide rail substrate disposed inside the touchscreen body via a guide connector. A micro-drive mechanism is provided between adjacent groups of electrode modules for driving the electrode modules to move laterally along the guide rail substrate according to the user's finger size information. Furthermore, a flexible circuit layer for power supply and signal transmission is integrated at the lower part of the guide rail substrate. A control unit is provided on one side of the touchscreen body and is connected to a finger recognition sensor to achieve intelligent control of the position of the electrode modules.

[0006] Preferably, the guide connector consists of a pair of symmetrically arranged limiting blocks, which are embedded on both sides of the bottom of the electrode module and cooperate with the T-shaped grooves opened on the guide rail substrate.

[0007] Preferably, the micro drive mechanism includes a micro stepper motor and a lead screw assembly, with both ends of the lead screw connected to a fixed bracket, and the micro stepper motor installed in the gap area between adjacent electrode modules.

[0008] Preferably, the guide rail substrate adopts a three-layer composite structure, including an upper ceramic insulating material layer, a middle metal guiding layer and a lower polyimide support film, and the layers are tightly bonded together to form an integral structure.

[0009] Preferably, the flexible circuit layer is composed of several flexible printed circuit strips. One end of each circuit strip is connected to the electrode module by welding, and the other end passes through a through hole on the guide rail substrate and is connected to a fixed terminal block disposed on the lower surface of the guide rail substrate.

[0010] Preferably, the finger recognition sensor is an infrared transmitting and receiving array module, which is embedded in a reserved slot installed around the perimeter of the touch screen body.

[0011] Compared with existing technologies, the advantages of this invention are as follows: This glove-operated touchscreen device with adjustable electrode spacing can dynamically adjust the electrode spacing according to the user's hand shape and operational needs, improving touch sensitivity and operational accuracy when wearing gloves, effectively reducing the false touch rate, and enhancing the device's adaptability and ease of use. Through the movable connection design between the electrode module and the guide rail substrate, combined with the precise control of the electrode position by a micro-drive mechanism, and the stable power supply and signal transmission of the moving electrodes by a flexible circuit layer, the device achieves intelligent and adaptive adjustment of the electrode distribution. This significantly improves the limitations of traditional fixed electrode structures in complex operating environments and meets diverse practical application needs. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of a glove-operated touch screen device with adjustable electrode spacing according to the present invention.

[0013] Figure 2 This is a schematic diagram of the guide rail substrate structure of a glove-operated touch screen device with adjustable electrode spacing according to the present invention.

[0014] Figure 3 This is a side view of the connection between the guide connector and the guide rail base plate of a glove-operated touch screen device with adjustable electrode spacing according to this utility model.

[0015] In the diagram: 1. Touchscreen body; 2. Electrode module; 3. Guide connector; 4. Guide rail substrate; 41. Ceramic insulating material layer; 42. Metal guide layer; 43. Polyimide support film; 5. Micro drive mechanism; 51. Micro stepper motor; 52. Drive screw; 6. Flexible circuit layer; 7. Control unit; 8. Finger recognition sensor. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figure 1-3This utility model provides a technical solution: a glove-operated touchscreen device with adjustable electrode spacing, including a touchscreen body 1. Multiple evenly distributed electrode modules 2 are provided on the surface of the touchscreen body 1. Each electrode module 2 is movably connected to a guide rail substrate 4 disposed inside the touchscreen body 1 via a guide connector 3. A micro-drive mechanism 5 is provided between adjacent groups of electrode modules 2 to drive the electrode modules 2 to move laterally along the guide rail substrate 4 according to the user's finger size information. A flexible circuit layer 6 for power supply and signal transmission is integrated at the lower part of the guide rail substrate 4. A control unit 7 is provided on one side of the touchscreen body 1, which is connected to a finger recognition sensor 8 to achieve intelligent control of the position of the electrode modules 2. This structure allows multiple electrode modules on the surface of the touchscreen body 1 to... Electrode module 2 is movably connected to guide rail base plate 4 via guide connector 3, allowing electrode module 2 to move laterally on guide rail base plate 4. Micro-drive mechanism 5 responds to the user's finger size information collected by finger recognition sensor 8 and drives relative displacement between adjacent electrode modules 2, thereby dynamically adjusting the electrode spacing. Flexible circuit layer 6 is integrated into the lower part of guide rail base plate 4, providing continuous power supply and signal transmission for electrode module 2 during movement, ensuring stable operation. Control unit 7 receives data from finger recognition sensor 8 and issues control commands to micro-drive mechanism 5 to achieve intelligent adjustment of electrode module 2 position. Overall, this structure, through the coordinated operation of its components, enables the assembly... The device can automatically adjust the electrode distribution according to factors such as the finger size and glove thickness of different users, effectively improving touch sensitivity and operation accuracy, reducing the false touch rate, and solving the problems of poor adaptability, inconvenient operation, and poor user experience caused by the fixed electrode spacing in the prior art. The guide connector 3 consists of a pair of symmetrically arranged limiting blocks, which are embedded on both sides of the bottom of the electrode module 2 and cooperate with the T-shaped grooves opened on the guide rail base plate 4. This structure allows the electrode module 2 to move stably in the lateral direction on the guide rail base plate 4. At the same time, the structure of the limiting blocks and the T-shaped grooves achieves precise guidance and positioning of the moving path of the electrode module 2, preventing it from deviating or getting stuck during the adjustment process, thereby ensuring the accuracy of the electrode spacing adjustment and operation. To ensure smooth operation, the micro-drive mechanism 5 includes a micro-stepper motor 51 and a transmission screw 52 assembly. The micro-stepper motor 51 can be a high-precision hybrid stepper motor of model 42BYGHW609. Both ends of the transmission screw 52 are connected to a fixed bracket. The micro-stepper motor 51 is installed in the gap area between adjacent electrode modules 2. This structure controls the advancement or retraction of the transmission screw 52 through the precise rotation of the micro-stepper motor 51, thereby causing relative displacement between adjacent electrode modules 2 and achieving dynamic adjustment of the electrode spacing. The fixed bracket ensures the stability of the transmission screw 52 during operation, preventing deviation due to external forces and guaranteeing the accuracy and reliability of electrode spacing adjustment. The guide rail base plate 4 adopts a three-layer composite structure.The system comprises an upper ceramic insulating material layer 41, a middle metal guiding layer 42, and a lower polyimide support film 43. These layers are tightly bonded together to form an integrated structure. This structure not only enhances the mechanical strength and wear resistance of the guide rail substrate 4, but also provides excellent electrical insulation through the ceramic insulating material layer 41, preventing leakage or signal interference during the movement of the electrode module 2. Simultaneously, the metal guiding layer 42 provides a high-precision guiding foundation for the lateral movement of the electrode module 2, while the polyimide support film 43 enhances the overall flexibility of the substrate and its compatibility with the flexible circuit layer 6, ensuring stable operation even in complex environments. This improves the reliability and lifespan of the touchscreen under glove operation. The flexible circuit layer 6 consists of several flexible printed circuit strips. One end of each strip is connected to the electrode module 2 via welding, and the other end passes through a through-hole on the guide rail substrate 4 and connects to a fixed terminal block located on the lower surface of the guide rail substrate 4. This structure ensures that the electrode module 2 moves smoothly and safely. Even during the lateral movement of the guide rail substrate 4, stable electrical signal transmission and continuous power supply are maintained. The flexible printed circuit strip has good bending adaptability, effectively coping with spatial changes caused by the dynamic displacement of the electrode module 2, avoiding circuit breakage or poor contact caused by movement, thus ensuring the stable operation of the touch screen device under complex operating conditions. The finger recognition sensor 8 is an infrared transmitting and receiving array module, which can be an AM335X-IRTP01 model infrared transmitting-receiving array module, embedded in the reserved slots around the edges of the touch screen body 1. This structure uses an infrared array to perform real-time non-contact acquisition of the contour, position, and movement trajectory of the user's finger, and transmits the acquired information to the control unit 7 to drive the micro-drive mechanism 5 to adaptively adjust the spacing between the electrode modules 2. Its embedded installation method not only improves the compactness and aesthetics of the overall touch screen structure, but also effectively avoids external interference, ensuring the accuracy of the sensing data and the response speed.

[0018] Working principle: When operating the touch screen device using the adjustable electrode spacing glove, the user's finger first approaches the surface of the touch screen body 1. The finger recognition sensor 8 scans the position of the user's finger in real time through the infrared transmitting and receiving array module and transmits the collected position information to the control unit 7. The control unit 7 analyzes the required distribution state of the electrode modules 2 based on the information and sends a drive signal to the micro stepper motor 51 in the micro drive mechanism 5. The micro stepper motor 51 drives the transmission screw 52 to rotate. The two ends of the transmission screw 52 are fixed on the bracket. Under the action of rotation, the relative displacement between adjacent electrode modules 2 is pushed. The electrode modules 2 move precisely in the lateral direction under the cooperation of the limiting block of the guide connector 3 and the T-shaped groove on the guide rail substrate 4. The flexible printed circuit strip in the flexible circuit layer 6 moves synchronously with the electrode modules 2 and maintains a continuous conductive state by following the movement of the electrode modules 2 through the solder points, thereby completing a series of tasks.

[0019] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A glove-operated touchscreen device with adjustable electrode spacing, comprising a touchscreen body (1), characterized in that: The touch screen body (1) has a plurality of uniformly distributed electrode modules (2) on its surface. Each electrode module (2) is movably connected to a guide rail substrate (4) inside the touch screen body (1) through a guide connector (3). A micro drive mechanism (5) is provided between adjacent groups of electrode modules (2) to drive the electrode modules to move laterally along the guide rail substrate (4) according to the user's finger size information. A flexible circuit layer (6) for power supply and signal transmission is integrated at the bottom of the guide rail substrate (4). A control unit (7) is provided on one side of the touch screen body (1) and is connected to the finger recognition sensor (8) to realize intelligent control of the position of the electrode modules.

2. The glove-operated touchscreen device with adjustable electrode spacing according to claim 1, characterized in that: The guide connector (3) consists of a pair of symmetrically arranged limiting blocks, which are embedded on both sides of the bottom of the electrode module (2) and cooperate with the T-shaped groove opened on the guide rail base plate (4).

3. The glove-operated touchscreen device with adjustable electrode spacing according to claim 1, characterized in that: The micro drive mechanism (5) includes a micro stepper motor (51) and a transmission screw (52) assembly. The two ends of the transmission screw (52) are respectively connected to a fixed bracket. The micro stepper motor (51) is installed in the gap area between adjacent electrode modules (2).

4. The glove-operated touchscreen device with adjustable electrode spacing according to claim 1, characterized in that: The guide rail substrate (4) adopts a three-layer composite structure, including an upper ceramic insulating material layer (41), a middle metal guiding layer (42) and a lower polyimide support film (43), and the layers are tightly bonded together to form an integral structure.

5. The glove-operated touchscreen device with adjustable electrode spacing according to claim 1, characterized in that: The flexible circuit layer (6) is composed of several flexible printed circuit strips. One end of each circuit strip is connected to the electrode module (2) by welding, and the other end passes through the through hole on the guide rail substrate (4) and is connected to the fixed wiring terminal set on the lower surface of the guide rail substrate (4).

6. The glove-operated touchscreen device with adjustable electrode spacing according to claim 1, characterized in that: The finger recognition sensor (8) is an infrared transmitting and receiving array module, which is embedded in the reserved slots around the edges of the touch screen body (1).

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