Switch device of range hood

Abstract

The utility model discloses a range hood switch device which comprises a switch shell, the switch shell is provided with a control unit, a display driving board and a TFT display screen, the switch shell is provided with an open hole matched with the TFT display screen in size so that the TFT display screen can be exposed out of the switch shell, and the control unit is arranged on the switch shell. The display driving board is connected with the TFT display screen; the control unit is connected with the display driving board and the range hood control board, the control unit starts the display driving board according to an operation signal of a user so as to drive the TFT display screen, and the control unit sends the operation signal to the range hood control board. According to the switch device of the range hood, the TFT display screen is adopted, richer information display can be provided for a user, and the use experience of the user is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of range hoods, and in particular relates to a range hood switch device. Background Art

[0002] With the increasing development of intelligent technology and people's pursuit of multifunctional products, range hoods, as an indispensable part of kitchen appliances, are usually controlled by simple touch button switches, which can only display a single button indicator light, lack intuitiveness, and cannot meet the needs of users. Utility Model Content

[0003] The utility model proposes a range hood switch device to solve the above technical problems, which adopts a TFT display screen, which can provide users with richer information display and improve the user experience.

[0004] The technical solution of the utility model is:

[0005] A range hood switch device, comprising: a switch housing, wherein the switch housing is provided with a control unit, a display driving board and a TFT display screen, wherein the switch housing has an opening adapted to the size of the TFT display screen, so that the TFT display screen is exposed outside the switch housing;

[0006] The display driving board is connected to the TFT display screen;

[0007] The control unit is connected to the display driver board and the range hood control board. The control unit starts the display driver board to drive the TFT display screen according to the user's operation signal, and the control unit sends the operation signal to the range hood control board.

[0008] As a further improvement of the present invention, the switch housing comprises: a switch face shell and a switch bottom shell connected to each other, and the switch face shell and the switch bottom shell form a containing space.

[0009] As a further improvement of the present utility model, the display driving board and the TFT display screen are both arranged in the accommodation space;

[0010] The opening is arranged on the switch surface shell.

[0011] As a further improvement of the utility model, the control unit comprises: a switch circuit board and an ITO film;

[0012] The switch circuit board is fixed on the switch bottom shell;

[0013] The ITO film is connected to the switch circuit board;

[0014] The switch circuit board is connected to the display driving board.

[0015] As a further improvement of the present invention, the control unit further includes: a gesture sensing component, which is arranged and fixed on the switch circuit board and connected to the switch circuit board.

[0016] As a further improvement of the present invention, the gesture sensing component includes: a plurality of infrared sensors fixed at different positions of the switch circuit board.

[0017] As a further improvement of the utility model, the TFT display screen is fixed on the switch circuit board through a fixing bracket.

[0018] As a further improvement of the present invention, the fixing bracket is configured as a frame-type structure, a plurality of grooves are provided at the edge of the frame-type structure, and the TFT display screen is clamped in the grooves;

[0019] The fixing bracket is provided with a plurality of limiting columns, and the switch circuit board is provided with a plurality of limiting holes, and the limiting columns and the limiting holes cooperate with each other to fix the fixing bracket and the switch circuit board.

[0020] As a further improvement of the present invention, the ITO film is adhered to the surface of the switch housing.

[0021] The above technical solution of the utility model has the following advantages compared with the prior art: a TFT display screen is used to clearly display the status information of the range hood, so that the user can understand the operating status of the range hood more intuitively; at the same time, the TFT display screen has high definition and excellent color expression capabilities, and can present exquisite interfaces and fonts, making the range hood switch more beautiful and high-end. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to the specific embodiments of the utility model in combination with the accompanying drawings, wherein:

[0023] Figure 1 This is a schematic structural diagram of the range hood switch device described in Example 1;

[0024] Figure 2 This is another structural schematic diagram of the range hood switch device described in Example 2.

[0025] Marking description: 1. Switch housing; 11. Switch front shell; 12. Switch bottom shell; 2. Display driver board; 3. TFT display screen; 4. Switch circuit board; 5. Main control chip; 6. ITO diaphragm; 7. Infrared sensor; 8. Fixed bracket; 81. Groove; 82. Limit column; 9. Limit hole; 10. Opening. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0027] 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 present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] The utility model provides a range hood switch device, such as Figure 1 and Figure 2 As shown, it includes: a switch housing 1, the switch housing 1 is provided with a control unit, a display driver board 2 and a TFT display screen 3, wherein the switch housing 1 has an opening adapted to the size of the TFT display screen 3 so that the TFT display screen 3 is exposed from the switch housing 1; the display driver board 2 is connected to the TFT display screen 3 through a flat cable; the control unit is connected to the display driver board 2 and the range hood control board, the control unit starts the display driver board 2 to drive the TFT display screen 3 according to the user's operation signal, and the control unit sends the operation signal to the range hood control board.

[0029] The TFT display screen 3 is used to display image information, including switch status, gear position, air volume, lighting, etc. At the same time, the background color of the TFT display screen 3 can be switched according to user needs through a preset program, such as long pressing the light key to enter the background color selection interface. The display driver board 2 is used to drive the TFT display screen 3 and provide power for the TFT display screen 3. The display driver board 2 is connected to the TFT display screen 3 through a serial port. The display driver board 2 receives the driving signal of the control unit and converts the driving signal into a signal that can be recognized by the TFT display screen 3 to control the brightness, color and other parameters of the pixels of the TFT display screen 3, thereby realizing the display of the image. Please refer to the prior art for this part, and it will not be repeated here.

[0030] The utility model adopts the TFT display screen 3 to clearly display the status information of the range hood, so that the user can understand the operating status of the range hood more intuitively. At the same time, the TFT display screen 3 has high definition and excellent color expression ability, and can present exquisite interface and fonts, making the range hood switch more beautiful and high-end.

[0031] The switch housing 1 comprises: a switch front shell 11 and a switch bottom shell 12 connected to each other, the switch front shell 11 and the switch bottom shell 12 form a receiving space, and the switch front shell 11 and the switch bottom shell 12 can be connected by bolts or bonding.

[0032] Furthermore, the display driving board and the TFT display screen 3 are both arranged in the accommodating space; and the opening is arranged on the switch surface shell 11 .

[0033] The control unit includes: a switch circuit board 4 and an ITO film 6; the switch circuit board 4 is fixed on the switch bottom shell 12; the ITO film 6 is connected to the switch circuit board 4 through a cable; the switch circuit board 4 is connected to the display driver board 2; the display driver board 2 is welded on the switch circuit board 4, and a main control chip 5 is welded on the switch circuit board 4, and the main functions of the switch circuit board 4 can be realized by the main control chip 5.

[0034] The ITO film 6 is attached to the surface of the switch housing 11 with adhesive, and six touch buttons are arranged on the front of the ITO film 6, including a power button, a lighting button, a cleaning button, a gear up button, a gear down button, and a stir-fry button. When a person touches a button, the ITO film 6 will detect an operation signal, and the switch circuit board 4 will send the operation signal to the range hood control board after receiving the operation signal, and the range hood control board will control the air volume, lighting, cleaning and other functions of the range hood. At the same time, the switch circuit board 4 matches the corresponding instructions and sends them to the display driver board 2, so that the TFT display screen 3 displays the corresponding operation information.

[0035] In order to make it easier for the user to control the range hood, the control unit further includes: a gesture sensing component, which is fixed on the switch circuit board 4 and connected to the switch circuit board 4. The gesture sensing component includes: a plurality of infrared sensors 7 welded and fixed on different positions of the switch circuit board 4. As one embodiment, two infrared sensors are symmetrically arranged on both sides of the switch circuit board 4. The infrared sensor 7 detects the movement and position of the hand through the transmitting end and the receiving end, thereby identifying the gesture, and then sends the corresponding operation signal to the switch circuit board 4.

[0036] In order to facilitate assembly during production, the TFT display screen 3 is fixed on the switch circuit board 4 through a fixing bracket 8; the fixing bracket 8 is set as a frame-type structure, and a plurality of grooves 81 are set at the edge of the frame-type structure, and the TFT display screen 3 is clamped in the grooves 81; the fixing bracket 8 is provided with a plurality of limiting columns 82, and the switch circuit board 4 is provided with a plurality of limiting holes 9, and the limiting columns 82 and the limiting holes 9 cooperate with each other to fix the fixing bracket 8 and the switch circuit board 4, and the number of limiting columns 82 and limiting holes 9 can be determined according to actual conditions.

[0037] The utility model adopts a TFT display screen, which can clearly display the status information of the range hood, and cooperates with an ITO diaphragm and a gesture sensing component to achieve control, thereby improving the user experience.

[0038] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. A range hood switch device, characterized in that: include: A switch housing, wherein the switch housing is provided with a control unit, a display driving board and a TFT display screen, wherein the switch housing has an opening adapted to the size of the TFT display screen so that the TFT display screen is exposed outside the switch housing; The display driving board is connected to the TFT display screen; The control unit is connected to the display driver board and the range hood control board. The control unit starts the display driver board to drive the TFT display screen according to the user's operation signal, and the control unit sends the operation signal to the range hood control board.

2. The range hood switch device according to claim 1, characterized in that: The switch housing comprises a switch face shell and a switch bottom shell which are connected to each other, and the switch face shell and the switch bottom shell form a receiving space.

3. The range hood switch device according to claim 2, characterized in that: The display driving board and the TFT display screen are both arranged in the accommodation space; The opening is arranged on the switch surface shell.

4. The range hood switch device according to claim 2, characterized in that: The control unit comprises: a switch circuit board and an ITO film; The switch circuit board is fixed on the switch bottom shell; The ITO film is connected to the switch circuit board; The switch circuit board is connected to the display driving board.

5. The range hood switch device according to claim 4, characterized in that: The control unit further includes: a gesture sensing component, which is fixedly arranged on the switch circuit board and connected to the switch circuit board.

6. The range hood switch device according to claim 5, characterized in that: The gesture sensing component includes: a plurality of infrared sensors fixed at different positions of the switch circuit board.

7. The range hood switch device according to claim 4, characterized in that: The TFT display screen is fixed on the switch circuit board via a fixing bracket.

8. The range hood switch device according to claim 7, characterized in that: The fixing bracket is configured as a frame-shaped structure, a plurality of grooves are provided at the edge of the frame-shaped structure, and the TFT display screen is clamped in the grooves; The fixing bracket is provided with a plurality of limiting columns, and the switch circuit board is provided with a plurality of limiting holes, and the limiting columns and the limiting holes cooperate with each other to fix the fixing bracket and the switch circuit board.

9. The range hood switch device according to claim 4, characterized in that: The ITO film is adhered to the surface of the switch housing.

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