Anti-fingerprint integrated cooker glass panel

Abstract

The utility model discloses an anti-fingerprint integrated cooker glass panel, belongs to the technical field of glass panels, and solves the problems that a large number of fingerprints are attached to the surface of an existing glass panel when a user touches the integrated cooker glass panel due to the fact that the top surface of the existing glass panel is smooth, and the user may feel that the panel is not durable enough due to frequent fingerprints. Or doubts are caused on the quality of the product. Comprising a top glass layer, the top surface of the top glass layer is etched to form concave-convex textures, and the top surface of the top glass layer is coated with a nano oleophobic coating. The concave-convex textures are arranged on the top surface of the anti-fingerprint composite board, so that the anti-fingerprint effect is obvious, and the nano oleophobic coating is coated to avoid fingerprint attachment. And after the touch electrodes are pressed down, the illumination circuit is triggered, and the LED lamp strips illuminate the periphery of the top glass layer, so that fingerprints can be found and wiped.

Description

Technical Field

[0001] This utility model relates to the field of glass panel technology, and in particular to an anti-fingerprint integrated stove glass panel. Background Technology

[0002] Integrated cooktops typically feature tempered glass panels, which are heat-resistant, easy to clean, and have a smooth, high-hardness surface. They allow users to clearly see the cooktop's operating status, facilitating operation. Their excellent heat insulation prevents heat loss and ensures safe use. They are also aesthetically pleasing and easily blend into kitchen décor. However, care should be taken to avoid impacts from hard objects to prevent scratches or damage. Regular cleaning and maintenance can extend their lifespan.

[0003] Because of their smooth top surface, current glass panels tend to leave a lot of fingerprints when users touch them. Frequent fingerprints may make users feel that the panel is not durable enough or raise concerns about the quality of the product.

[0004] Therefore, an anti-fingerprint integrated stove glass panel is proposed to solve or alleviate the above problems. Utility Model Content

[0005] The purpose of this utility model is to address the shortcomings of existing technologies by proposing an anti-fingerprint integrated stove glass panel.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A fingerprint-resistant integrated stove glass panel includes a top glass layer, the top surface of which is etched to form a textured surface, and the top surface of which is coated with a nano-oleophobic coating.

[0008] Preferably, it further includes a bottom glass layer, the top glass layer is fixedly connected to the top surface of the bottom glass layer, the cross-sectional area of ​​the top glass layer is smaller than the cross-sectional area of ​​the bottom glass layer, there is a gap between the edge of the top glass layer and the edge of the bottom glass layer, and a connecting frame located on the outer ring of the top glass layer is fixedly connected to the top surface of the bottom glass layer, and an LED light strip is embedded between the inner ring of the connecting frame and the outer ring of the top glass layer.

[0009] Preferably, the LED light strip is coupled to a lighting circuit, and the control terminal of the lighting circuit is located on the top glass layer. The lighting circuit controls the LED light strip to be powered on and operated.

[0010] Preferably, the illumination circuit includes a power supply module, a touch detection module, a monostable timing module, an LED driver module, and an LED load module;

[0011] The power supply module supplies power to the touch detection module, the monostable timing module, and the LED driver module. The signal output terminal of the touch detection module is connected to the trigger pin of the monostable timing module, the output pin of the monostable timing module is connected to the control terminal of the LED driver module, the power output terminal of the LED driver module is connected to the negative terminal of the LED load module, and the positive terminal of the LED load module is connected to the output terminal of the power supply module.

[0012] Preferably, the power supply module includes an LM7809 voltage regulator chip, an input filter capacitor, and an output filter capacitor;

[0013] The input terminal of the LM7809 voltage regulator chip is connected to the positive terminal of an external power supply. The output terminal of the LM7809 voltage regulator chip provides a 9V voltage. The ground terminal of the LM7809 voltage regulator chip is grounded. One end of the input filter capacitor is connected to the input terminal of the LM7809 voltage regulator chip, and the other end of the input filter capacitor is grounded. One end of the output filter capacitor is connected to the output terminal of the LM7809 voltage regulator chip, and the other end of the output filter capacitor is grounded.

[0014] Preferably, the touch detection module includes touch electrodes, a high-resistance resistor, a coupling capacitor, an anti-interference capacitor, and an electrostatic protection diode;

[0015] The touch electrode is attached between the top glass layer and the bottom glass layer. One end of the high-resistance resistor is connected to the touch electrode, and the other end of the high-resistance resistor is connected to the trigger pin of the monostable timing module through a coupling capacitor. One end of the anti-interference capacitor is connected to the touch electrode, and the other end of the anti-interference capacitor is grounded. The positive terminal of the electrostatic protection diode is connected to the touch electrode, and the negative terminal of the electrostatic protection diode is grounded.

[0016] Preferably, the monostable timing module includes a 555 timer chip, a timing resistor, a timing capacitor, and a decoupling capacitor;

[0017] The power supply pin of the 555 timer chip is connected to the output terminal of the power module. The ground pin of the 555 timer chip is grounded. One end of the timing resistor is connected to the discharge pin of the 555 timer chip, and the other end of the timing resistor is connected to the power supply pin of the 555 timer chip. One end of the timing resistor is connected to the threshold pin of the 555 timer chip, and the other end of the timing resistor is grounded. One end of the decoupling capacitor is connected to the control voltage pin of the 555 timer chip, and the other end of the decoupling capacitor is grounded.

[0018] Preferably, the LED driving module includes an N-channel MOSFET switch and a current-limiting resistor;

[0019] The gate of the N-channel MOSFET switch is connected to the output pin of the monostable timing module, the source of the N-channel MOSFET switch is grounded, the drain of the N-channel MOSFET switch is connected to the negative terminal of the LED load module, one end of the current limiting resistor is connected to the output terminal of the power supply module, and the other end of the current limiting resistor is connected to the positive terminal of the LED load module.

[0020] Preferably, the LED load module includes four independent current-limiting resistors, the positive terminals of the four LED strips are all connected to the output terminal of the power module through independent current-limiting resistors, and the negative terminals of the four LED strips are all connected to the drain of the N-channel MOSFET switch.

[0021] This utility model has the following beneficial effects:

[0022] This invention features a textured top surface that effectively prevents fingerprints, and is also coated with a nano-oleophobic coating to prevent fingerprint adhesion. Pressing the touch electrode triggers the light circuit, illuminating the area around the top glass layer with an LED strip, which helps detect and wipe away fingerprints. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the structure of this utility model;

[0025] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0026] Figure 3 This is a structural block diagram of the illumination circuit in this utility model.

[0027] In the diagram: 1. Bottom glass layer; 2. Top glass layer; 3. Connecting frame; 4. LED light strip; 5. Power supply module; 6. Touch detection module; 7. Monostable timing module; 8. LED driver module; 9. LED load module. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0030] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0031] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] Furthermore, the terms "first," "second," and "third" are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0033] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] A fingerprint-resistant integrated stove glass panel, such as Figure 1 and Figure 2As shown, it includes a top glass layer 2, the top surface of which is etched to form a textured surface, and the top surface of the top glass layer 2 is coated with a nano oleophobic coating. It also includes a bottom glass layer 1, the top glass layer 2 is fixedly connected to the top surface of the bottom glass layer 1, the cross-sectional area of ​​the top glass layer 2 is smaller than the cross-sectional area of ​​the bottom glass layer 1, there is a gap between the edge of the top glass layer 2 and the edge of the bottom glass layer 1, and a connecting frame 3 located on the outer ring of the top glass layer 2 is fixedly connected to the top surface of the bottom glass layer 1. An LED light strip 4 is embedded between the inner ring of the connecting frame 3 and the outer ring of the top glass layer 2.

[0035] like Figure 3 As shown, the LED light strip 4 is coupled to a lighting circuit. The control terminal of the lighting circuit is located on the top glass layer 2. The lighting circuit controls the LED light strip 4 to be powered on and operated. The lighting circuit includes a power supply module 5, a touch detection module 6, a monostable timing module 7, an LED driver module 8, and an LED load module 9. The power supply module 5 supplies power to the touch detection module 6, the monostable timing module 7, and the LED driver module 8. The signal output terminal of the touch detection module 6 is connected to the trigger pin of the monostable timing module 7. The output pin of the monostable timing module 7 is connected to the control terminal of the LED driver module 8. The power output terminal of the LED driver module 8 is connected to the negative terminal of the LED load module 9, and the positive terminal of the LED load module 9 is connected to the output terminal of the power supply module 5.

[0036] Power module 5 includes an LM7809 voltage regulator chip, an input filter capacitor, and an output filter capacitor. The input terminal of the LM7809 voltage regulator chip is connected to the positive terminal of an external power supply, and the output terminal of the LM7809 voltage regulator chip provides a 9V voltage. The ground terminal of the LM7809 voltage regulator chip is grounded. One end of the input filter capacitor is connected to the input terminal of the LM7809 voltage regulator chip, and the other end of the input filter capacitor is grounded. One end of the output filter capacitor is connected to the output terminal of the LM7809 voltage regulator chip, and the other end of the output filter capacitor is grounded.

[0037] The touch detection module 6 includes a touch electrode, a high-resistance resistor, a coupling capacitor, an anti-interference capacitor, and an electrostatic discharge (ESD) protection diode. The touch electrode is attached between the top glass layer 2 and the bottom glass layer 1. One end of the high-resistance resistor is connected to the touch electrode, and the other end of the high-resistance resistor is connected to the trigger pin of the monostable timing module 7 through the coupling capacitor. One end of the anti-interference capacitor is connected to the touch electrode, and the other end of the anti-interference capacitor is grounded. The positive terminal of the ESD protection diode is connected to the touch electrode, and the negative terminal of the ESD protection diode is grounded.

[0038] The monostable timing module 7 includes a 555 timer chip, a timing resistor, a timing capacitor, and a decoupling capacitor. The power supply pin of the 555 timer chip is connected to the output terminal of the power supply module 5, and the ground pin of the 555 timer chip is grounded. One end of the timing resistor is connected to the discharge pin of the 555 timer chip, and the other end of the timing resistor is connected to the power supply pin of the 555 timer chip. One end of the timing resistor is connected to the threshold pin of the 555 timer chip, and the other end of the timing resistor is grounded. One end of the decoupling capacitor is connected to the control voltage pin of the 555 timer chip, and the other end of the decoupling capacitor is grounded.

[0039] The LED driver module 8 includes an N-channel MOSFET switch and a current-limiting resistor. The gate of the N-channel MOSFET switch is connected to the output pin of the monostable timing module 7, the source of the N-channel MOSFET switch is grounded, and the drain of the N-channel MOSFET switch is connected to the negative terminal of the LED load module 9. One end of the current-limiting resistor is connected to the output terminal of the power supply module 5, and the other end of the current-limiting resistor is connected to the positive terminal of the LED load module 9.

[0040] The LED load module 9 includes four independent current-limiting resistors. The positive terminals of the four LED strips 4 are connected to the output terminal of the power module 5 through independent current-limiting resistors, and the negative terminals of the four LED strips 4 are connected to the drain of the N-channel MOSFET switch.

[0041] This invention features a textured surface to prevent fingerprints from being too obvious due to a smooth surface. Additionally, the nano-oleophobic coating on the surface effectively prevents fingerprints from adhering. Furthermore, the illumination circuit allows the user to activate it by pressing the touch electrode, energizing the LED strips 4. These LED strips illuminate the surrounding area of ​​the top glass layer 2, making it easier for the user to locate and wipe away fingerprints.

[0042] When the lighting circuit is working, when the user lightly touches the glass panel of the integrated stove, the touch electrode senses the charge change through the human body's capacitance coupling. The touch signal is transmitted to the trigger pin of the 555 timer chip through a 10MΩ high-resistance resistor and a 100nF coupling capacitor. The trigger low-level pulse causes the 555 timer chip to enter monostable mode. The output pin of the 555 timer chip immediately outputs a high level to drive the N-channel MOSFET switch to turn on, and the LED strip 4 lights up in the circuit formed by the 9V power supply and the current-limiting resistor.

[0043] Meanwhile, the internal circuit of the 555 timer chip charges the 100μF timer capacitor through a 2.7MΩ timer resistor. When the capacitor voltage reaches 2 / 3 of the power supply voltage, about 5 minutes later, the 555 timer chip resets, the output pin of the 555 timer chip goes low, the N-channel MOSFET switch turns off, and the LED strip 4 automatically turns off, completing a complete control cycle of "touch trigger - timed lighting - automatic shutdown".

[0044] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A fingerprint-resistant integrated stove glass panel, characterized in that, It includes a top glass layer (2), the top surface of which is etched to form a textured surface, and the top surface of which is coated with a nano-oleophobic coating.

2. The fingerprint-resistant integrated stove glass panel according to claim 1, characterized in that, It also includes a bottom glass layer (1), the top glass layer (2) is fixedly connected to the top surface of the bottom glass layer (1), the cross-sectional area of ​​the top glass layer (2) is smaller than the cross-sectional area of ​​the bottom glass layer (1), there is a gap between the edge of the top glass layer (2) and the edge of the bottom glass layer (1), the top surface of the bottom glass layer (1) is fixedly connected to a connecting frame (3) located on the outer ring of the top glass layer (2), and an LED light strip (4) is embedded between the inner ring of the connecting frame (3) and the outer ring of the top glass layer (2).

3. The fingerprint-resistant integrated stove glass panel according to claim 2, characterized in that, The LED light strip (4) is coupled to a lighting circuit. The control terminal of the lighting circuit is located on the top glass layer (2). The lighting circuit controls the LED light strip (4) to be powered on.

4. The fingerprint-resistant integrated stove glass panel according to claim 3, characterized in that, The illumination circuit includes a power supply module (5), a touch detection module (6), a monostable timing module (7), an LED driver module (8), and an LED load module (9). The power supply module (5) supplies power to the touch detection module (6), the monostable timing module (7), and the LED driver module (8). The signal output terminal of the touch detection module (6) is connected to the trigger pin of the monostable timing module (7). The output pin of the monostable timing module (7) is connected to the control terminal of the LED driver module (8). The power output terminal of the LED driver module (8) is connected to the negative terminal of the LED load module (9). The positive terminal of the LED load module (9) is connected to the output terminal of the power supply module (5).

5. The fingerprint-resistant integrated stove glass panel according to claim 4, characterized in that, The power module (5) includes an LM7809 voltage regulator chip, an input filter capacitor, and an output filter capacitor; The input terminal of the LM7809 voltage regulator chip is connected to the positive terminal of an external power supply. The output terminal of the LM7809 voltage regulator chip provides a 9V voltage. The ground terminal of the LM7809 voltage regulator chip is grounded. One end of the input filter capacitor is connected to the input terminal of the LM7809 voltage regulator chip, and the other end of the input filter capacitor is grounded. One end of the output filter capacitor is connected to the output terminal of the LM7809 voltage regulator chip, and the other end of the output filter capacitor is grounded.

6. The fingerprint-resistant integrated stove glass panel according to claim 4, characterized in that, The touch detection module (6) includes a touch electrode, a high-resistance resistor, a coupling capacitor, an anti-interference capacitor, and an electrostatic protection diode; The touch electrode is attached between the top glass layer (2) and the bottom glass layer (1). One end of the high-resistance resistor is connected to the touch electrode, and the other end of the high-resistance resistor is connected to the trigger pin of the monostable timing module (7) through a coupling capacitor. One end of the anti-interference capacitor is connected to the touch electrode, and the other end of the anti-interference capacitor is grounded. The positive terminal of the electrostatic protection diode is connected to the touch electrode, and the negative terminal of the electrostatic protection diode is grounded.

7. The fingerprint-resistant integrated stove glass panel according to claim 4, characterized in that, The monostable timing module (7) includes a 555 timer chip, a timing resistor, a timing capacitor, and a decoupling capacitor; The power supply pin of the 555 timer chip is connected to the output terminal of the power module (5). The ground pin of the 555 timer chip is grounded. One end of the timing resistor is connected to the discharge pin of the 555 timer chip. The other end of the timing resistor is connected to the power supply pin of the 555 timer chip. One end of the timing resistor is connected to the threshold pin of the 555 timer chip. The other end of the timing resistor is grounded. One end of the decoupling capacitor is connected to the control voltage pin of the 555 timer chip. The other end of the decoupling capacitor is grounded.

8. The fingerprint-resistant integrated stove glass panel according to claim 4, characterized in that, The LED driving module (8) includes an N-channel MOSFET switch and a current-limiting resistor; The gate of the N-channel MOSFET switch is connected to the output pin of the monostable timing module (7), the source of the N-channel MOSFET switch is grounded, the drain of the N-channel MOSFET switch is connected to the negative terminal of the LED load module (9), one end of the current limiting resistor is connected to the output terminal of the power supply module (5), and the other end of the current limiting resistor is connected to the positive terminal of the LED load module (9).

9. The fingerprint-resistant integrated stove glass panel according to claim 8, characterized in that, The LED load module (9) includes four independent current-limiting resistors. The positive terminals of the four LED strips (4) are connected to the output terminal of the power module (5) through independent current-limiting resistors, and the negative terminals of the four LED strips (4) are connected to the drain of the N-channel MOSFET switch.

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