Device and equipment for preventing water from being mistakenly touched during touch

Abstract

The utility model discloses a device and equipment for preventing mistaken touch during touch, relates to the technical field of touch water prevention, and solves the technical problems that the existing touch technology is not strong in waterproof performance and is still easy to cause mistaken touch under the condition that a larger water pressure is generated on a touch surface. The device comprises a touch layer and a waterproof layer, the touch layer comprises a touch chip and a plurality of bonding pads arranged at equal intervals, and each bonding pad is provided with a scanning channel; the touch chip is connected with the scanning channel through the plurality of bonding pads; the waterproof layer comprises a plurality of convex blocks and concave blocks which are alternately arranged, and each convex block and each concave block are correspondingly arranged above each bonding pad; the distance between every two protruding blocks is smaller than the set distance. Even in a flushing environment with high water pressure, the anti-mistaken-touch valve can effectively prevent mistaken touch.

Description

Technical Field

[0001] This utility model relates to the field of touch waterproofing technology, and in particular to a touch waterproofing accidental touch device and equipment. Background Technology

[0002] Traditional touch technology uses capacitive touch chips, which are chip technologies that detect the approach or touch of a finger to a touch surface by detecting changes in capacitance. When a user touches the sensing channel on the touchpad, due to the human body's electric field, the user's finger and the touchpad's working surface form a coupling capacitance. Because a high-frequency signal is applied to the working surface, the change in coupling capacitance can be detected, and touch coordinates are formed based on this capacitance change.

[0003] Traditional capacitive touch chips typically address waterproofing issues using both waterproof and non-waterproof scanning methods, which is currently the primary approach to achieving waterproofing in capacitive touchscreens. The main principle is that when water flow or droplets are present on the touch surface, both waterproof and non-waterproof scanning methods capture changes in capacitance. The differences in capacitance changes detected by these two methods distinguish between data from water and human touch, preventing errors in the algorithm's logic and avoiding accidental touches. Using this method, capacitive touchscreens can achieve a certain level of waterproofing, such as in scenarios with low waterproofing requirements, like water spray.

[0004] Although traditional touch technology can achieve a certain level of water resistance, such as when sprayed with water mist or dripped with water, it is very easy for "ghost touches" to appear when water is sprayed or rinsed onto the touch surface, which will generate high water pressure. The touch function cannot be restored after rinsing, resulting in accidental touches.

[0005] In the process of developing this utility model, the applicant discovered at least the following problems in the prior art:

[0006] Current touch technology is not very waterproof, and it is still easy to accidentally touch the surface when there is high water pressure. Utility Model Content

[0007] The purpose of this utility model is to provide a waterproof touch device and equipment to solve the technical problem that existing touch technologies have weak waterproof performance and are still prone to accidental touches when subjected to high water pressure on the touch surface. The various technical effects of the preferred technical solutions provided by this utility model are detailed below.

[0008] To achieve the above objectives, the present invention provides the following technical solution:

[0009] This utility model provides a waterproof touch device for accidental touch, comprising: a touch layer and a waterproof layer; the touch layer includes a touch chip and multiple equally spaced pads, each pad having a scanning channel; the touch chip is connected to the scanning channel via the multiple pads; the waterproof layer includes multiple alternately arranged protrusions and recesses, each protrusion and recess being positioned above each pad; the spacing between each protrusion is less than a predetermined distance.

[0010] Optionally, the set distance is 10mm.

[0011] Optionally, the device further includes a housing; the touch layer is disposed inside the housing; and the waterproof layer is disposed on the surface of the housing.

[0012] Optionally, the maximum distance between the touch layer and the waterproof layer is 10 mm.

[0013] Optionally, the pad is rectangular in shape, with a length of 25mm and a width of 3mm.

[0014] Optionally, the spacing between each of the pads is 4 mm.

[0015] Optionally, the length of the protrusion is 45mm to 50mm, the width is 5mm to 9.6mm, and the height of the protrusion is 2mm to 3mm.

[0016] Optionally, the width of the recessed block is 3mm.

[0017] A waterproof touch device for accidental touch, comprising any of the above-described waterproof touch devices for accidental touch.

[0018] Optionally, the device includes a smart touch hand sanitizer dispenser.

[0019] Implementing one of the above-described technical solutions of this utility model has the following advantages or beneficial effects:

[0020] This invention features a waterproof layer on top of the touch layer, designed with a concave-convex structure. The scanning channels on the touch layer are positioned below the raised and recessed parts of the waterproof layer, allowing the touch chip to distinguish whether the touch is a human finger or generated by water spraying or rinsing based on the data distribution of the collected sensing volume during touch detection. This also helps prevent accidental touches, even when exposed to high-pressure water. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. In the drawings:

[0022] Figure 1 This is a schematic diagram of the structure of the waterproof touch device according to Embodiment 1 of this utility model;

[0023] Figure 2 This is a cross-sectional view of the waterproof touch device according to Embodiment 1 of this utility model;

[0024] Figure 3 This is a diagram showing the amount of sensory input generated by finger touch in one embodiment of this utility model;

[0025] Figure 4 This is a diagram showing the sensing volume generated by flushing in Embodiment 1 of this utility model;

[0026] In the diagram: 1. Touch layer; 11. Solder pad; 12. PCB board; 2. Waterproof layer; 21. Raised block; 22. Recessed block. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, various exemplary embodiments described below will be referenced to the accompanying drawings, which form part of the exemplary embodiments, illustrating various exemplary embodiments that may be adopted to implement this utility model. Unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this disclosure. It should be understood that they are merely examples of processes, methods, and apparatuses consistent with some aspects of this utility model disclosed as detailed in the appended claims, and other embodiments may be used, or structural and functional modifications may be made to the embodiments listed herein without departing from the scope and spirit of this utility model.

[0028] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," etc., indicate the orientation or positional relationship based on the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the referred element must have a specific orientation, or be constructed and operated in a specific orientation. The terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. The term "multiple" means two or more. The terms "connected" and "linked" should be interpreted broadly, for example, they can be fixed connections, detachable connections, integral connections, mechanical connections, electrical connections, communication connections, direct connections, indirect connections through an intermediate medium, and can be the internal connection of two elements or the interaction relationship between two elements. The term "and / or" includes any and all combinations of one or more of the related listed items. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0029] To illustrate the technical solution described in this utility model, specific embodiments are described below, showing only the parts related to the embodiments of this utility model.

[0030] Example 1:

[0031] like Figure 1 and Figure 2 As shown, this utility model provides a waterproof touch device for accidental touch, comprising: a touch layer 1 and a waterproof layer 2; the touch layer 1 includes a touch chip and multiple equally spaced pads 11, each pad 11 having a scanning channel; the touch chip is connected to the scanning channel through the multiple pads 11; the touch chip obtains sensing data by scanning each scanning channel to identify whether a finger is touching the touch layer 1; the waterproof layer 2 includes multiple alternately arranged protrusions 21 and recesses 22, each protrusion 21 and recess 22 correspondingly disposed above each pad 11; the spacing between each protrusion 21 is less than a set distance.

[0032] This invention provides a waterproof layer 2 on the upper layer of the touch layer 1, and the waterproof layer 2 is designed with a concave-convex structure. The scanning channels on the touch layer 1 are all set below the protruding and concave parts of the waterproof layer 2, so that when the touch chip performs touch detection, it can distinguish whether the touch is caused by a human finger or by water rinsing or spraying based on the data distribution of the collected sensing amount. This can also avoid accidental touches when faced with water with high pressure.

[0033] As an alternative implementation method, such as Figure 2 As shown, the device also includes a housing; a touch layer 1 is disposed inside the housing; and a waterproof layer 2 is disposed on the surface of the housing. Figure 1In this circuit, each pad 11 is arranged at equal intervals on the printed circuit board (PCB). The PCB 12 is located below the waterproof layer 2, at a certain distance from it. Pad 1 is located below a raised block 21, pad 2 is located below a recessed block 22, pad 3 is located below a raised block 21, and so on, alternating in this manner. The set distance is 10mm. Since the width of an average person's finger is usually greater than 10mm, setting the distance between each raised block 21 to less than 10mm ensures that the finger can only touch the raised block 21 and not the recessed block 22. However, if water is sprayed onto the waterproof layer 2, both the raised block 21 and the recessed block 22 will come into complete contact with the water. Therefore, the sensing data generated by finger touch and water touch on the touch layer 1 are different, thus distinguishing between finger touch and water touch and preventing accidental touch.

[0034] As an alternative implementation, the maximum distance between the touch layer 1 and the waterproof layer 2 is 10mm. The touch chip used in this embodiment supports a maximum air gap distance of 10mm, therefore, the maximum distance between the touch layer 1 and the waterproof layer 2 is 10mm, which enables air-to-touch functionality.

[0035] As an alternative implementation, the pads 11 are rectangular in shape, with a length of 25mm and a width of 3mm. The spacing between each pad 11 is 4mm. Setting the pads 11 to rectangular shape facilitates the placement of scanning channels on them. Each pad 11 is independent and connected to the touch chip separately. Based on multiple experimental comparisons, setting the length of the pads 11 to 25mm, the width to 3mm, and the spacing between each pad 11 to 4mm yielded the best experimental results.

[0036] As an alternative implementation, the protrusion 21 has a length of 45mm to 50mm, a width of 5mm to 9.6mm, and a protrusion height of 2mm to 3mm. The recess 22 has a width of 3mm. Figure 2 As shown, the protrusion 21 is a racetrack-shaped protrusion with a maximum length of 48.5 mm, a maximum width of 9.5 mm, and a protrusion height of 2 mm. After multiple experiments and comparisons, the touch effect is best when the protrusion 21 is set to this size. Of course, the protrusion 21 can also be set to a cuboid, ellipse, etc., which can be set according to actual needs.

[0037] The working principle of the waterproof touch device provided in this embodiment is as follows: the waterproof layer 2 is set as a concave-convex structure, so that when a human finger touches the waterproof layer 2 and water comes into contact with the waterproof layer 2, the distribution of the sensing amount generated on the touch layer 1 is different. Specifically, the distance between each protrusion 21 is less than 10mm, while the width of a human finger is generally greater than 10mm, so that the human finger can only touch the protrusion 21 and cannot touch the concave block 22; therefore, when a human finger or palm approaches, it will be parallel to the surface where the highest point of the protrusion 21 is located. The distance from the scanning channel on the pad 11 to the finger or palm is basically the same. The sensing amount collected by the touch chip is only related to the proximity of the finger or palm. The closer they are, the greater the sensing amount collected, and vice versa. Figure 3 The figure shows the distribution of the sensing amount generated when a finger touches the waterproof layer 2. In the figure, the X-axis is the corresponding scanning channel, and the Y-axis is the sensing amount corresponding to each scanning channel. It can be seen from the figure that the sensing amount of the channel closer to the finger is greater, and the sensing amount of the channel further away from the finger is smaller.

[0038] When water is sprayed onto the waterproof layer 2, both the protrusion 21 and the recessed block 22 will come into contact with the water. Because of its higher structural height, the water is further away from the scanning channel on the pad 11 of the protrusion 21. Therefore, the sensing data collected by the touch chip on the corresponding scanning channel below the protrusion 21 will be relatively smaller than the sensing data on the corresponding scanning channel below the recessed block 22. Thus, as... Figure 4 The diagram shows the distribution of sensing data generated when water is poured onto the waterproof layer 2. Similarly, in the diagram, the X-axis represents the corresponding scanning channel, and the Y-axis represents the sensing data for each scanning channel. As can be seen from the diagram, due to the varying distances of the water from the scanning channels, the sensing data on each scanning channel exhibits an alternating pattern of large and small values. Therefore, the distribution of sensing data on each channel can distinguish between human finger touch and water contact, thus preventing accidental contact.

[0039] The embodiment is merely a special case and does not indicate that this utility model is implemented in such a way.

[0040] Example 2:

[0041] The difference between this second embodiment and the first embodiment is that: a waterproof touch-sensitive device for accidental touch includes the waterproof touch-sensitive device for accidental touch described in any of the embodiments in the first embodiment. Optionally, the device may include a smart touch-sensitive hand sanitizer dispenser and a smart door lock, etc.

[0042] The waterproof touch-sensitive device in this embodiment uses the waterproof touch-sensitive device provided in Embodiment 1, which can effectively distinguish between human hand touch and water contact. If the waterproof touch-sensitive device provided in Embodiment 1 is applied to a smart touch-sensitive hand sanitizer dispenser, even in environments with high water pressure (rinsing or spraying), it can distinguish whether a hand has touched the dispenser. If a hand has touched the dispenser, hand sanitizer will be dispensed; if water is rinsing the dispenser, hand sanitizer will not be dispensed, effectively preventing accidental touch.

[0043] The above description is merely a preferred embodiment of the present utility model. Those skilled in the art will understand that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the present utility model. Furthermore, under the teachings of the present utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the present utility model. Therefore, the present utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of the present utility model.

Claims

1. A waterproof touch-sensitive device for accidental touch, characterized in that, include: The touch layer (1) and the waterproof layer (2) are described. The touch layer (1) includes a touch chip and multiple equally spaced pads (11), each of which has a scanning channel. The touch chip is connected to the scanning channel through the multiple pads (11). The waterproof layer (2) includes multiple alternating protrusions (21) and recesses (22), each of which is positioned above each pad (11). The spacing between each protrusion (21) is less than a set distance.

2. The waterproof touch device for accidental touch as described in claim 1, characterized in that, The set distance is 10mm.

3. The waterproof touch device for accidental touch as described in claim 1, characterized in that, The device also includes a housing; the touch layer (1) is disposed inside the housing; and the waterproof layer (2) is disposed on the surface of the housing.

4. The waterproof touch device for accidental touch as described in claim 3, characterized in that, The maximum distance between the touch layer (1) and the waterproof layer (2) is 10 mm.

5. A waterproof touch device for accidental touch as described in claim 1, characterized in that, The pad (11) is rectangular in shape, with a length of 25 mm and a width of 3 mm.

6. A waterproof touch device for accidental touch as described in claim 5, characterized in that, The spacing between each of the pads (11) is 4 mm.

7. A waterproof touch device for accidental touch as described in claim 6, characterized in that, The length of the protrusion (21) is 45mm to 50mm, the width is 5mm to 9.6mm, and the protrusion height is 2mm to 3mm.

8. A waterproof touch device for accidental touch as described in claim 6, characterized in that, The width of the recessed block (22) is 3mm.

9. A waterproof touch device for accidental touch, characterized in that, Includes a waterproof touch device for accidental touch as described in any one of claims 1-8.

10. A waterproof touch device for accidental touch as described in claim 9, characterized in that, The equipment includes a smart touch hand sanitizer dispenser and a smart door lock.

Images