Keyboard with wireless luminous keycaps

Abstract

The utility model discloses a keyboard with wireless luminous keycaps. The keyboard comprises a keycap module, a middle frame, a wireless power supply transmitting coil, a PCBA (Printed Circuit Board Assembly) mainboard and a keyboard lower cover, the middle frame and the keyboard lower cover are covered to form an accommodating space, the wireless power supply transmitting coil and the PCBA mainboard are arranged in the accommodating space, and the wireless power supply transmitting coil is electrically connected with the PCBA mainboard; the keycap module comprises a plurality of keycaps, each keycap is provided with a containing cavity with an opening in the upper side, an FPC module and a wireless power supply receiving coil electrically connected with the wireless power supply transmitting coil are contained in the containing cavity from top to bottom, and the FPC module is electrically connected with the wireless power supply receiving coil. According to the utility model, the LED lamp is directly integrated in the keycap, the LED lamp is driven to emit light in a wireless power supply mode, and the light emitted by the LED lamp can directly penetrate through the keycap, so that the brightness and uniformity of the emitted light can be ensured, and the defect of backlight of a traditional keyboard is overcome.

Description

Technical Field

[0001] The utility model belongs to the technical field of keyboards, in particular to a keyboard with wireless luminous keycaps. Background Art

[0002] The keyboard is a device for inputting commands and data to operate a computer, and is the most commonly used input device in life. Currently, most keyboards on the market have a backlight function, so that the letters on the keys can be clearly seen at night without turning on the light, which is very convenient for people who handle affairs at night, and the appearance of the keyboard is also more beautiful under the decoration of lights.

[0003] There are generally two ways to backlight a traditional keyboard: one is to use a backlight sheet, and the other is to attach LEDs to the PCB directly below the keys. However, no matter which one is used, because there is always an obstruction between the light-transmitting part of the keycap and the LED, the brightness and uniformity will be greatly affected, and it cannot meet the growing usage needs of users. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model aims to provide a keyboard with wireless luminous keycaps.

[0005] The technical solution adopted by the utility model is as follows: a keyboard with wireless luminous keycaps, comprising a keycap module, a middle frame, a wireless power transmission coil, a PCBA mainboard and a keyboard lower cover; the middle frame and the keyboard lower cover are covered to form an accommodating space, the wireless power transmission coil and the PCBA mainboard are placed in the accommodating space, and the wireless power transmission coil is electrically connected to the PCBA mainboard; the keycap module comprises a plurality of keycaps, the keycap has an accommodating cavity with an upper opening, an FPC module and a wireless power receiving coil electrically connected to the wireless power transmission coil are accommodated inside the accommodating cavity from top to bottom, the FPC module is electrically connected to the wireless power receiving coil, and an LED light is integrated at the upper end of the FPC module.

[0006] In a preferred embodiment, a ferrite is provided between the FPC module and the wireless power receiving coil.

[0007] In a preferred embodiment, a decorative cover plate is further provided at the upper end of the accommodating cavity.

[0008] In a preferred embodiment, key positions for installing a plurality of key caps are provided at the upper end of the middle frame, and rubber buttons corresponding to the plurality of key caps are provided at the lower end of the middle frame.

[0009] In a preferred embodiment, a conductive film is further included, which is placed in the accommodating space and electrically connected to the PCBA mainboard, and the conductive film is provided with conducting contacts corresponding to the plurality of rubber buttons.

[0010] In a preferred embodiment, a rectifier chip is also integrated on the FPC module.

[0011] In a preferred embodiment, it also includes anti-skid pads, which are bonded to the four bottom corners of the keyboard lower cover.

[0012] In a preferred embodiment, a USB connecting cable is further included, one end of which extends into the accommodating space and is electrically connected to the PCBA mainboard.

[0013] In summary, due to the adoption of the above technical scheme, the beneficial effects of the utility model are: the LED light is directly integrated into the keycap, and the wireless power supply is used to drive the LED light to emit light. The keyboard has a large transmitting coil module, which is controlled by the PCBA motherboard as a wireless power supply circuit. When the PCBA motherboard turns on the wireless power supply function, the LED light on the keycap can be lit to realize the backlight function. The light emitted by the LED lamp can be directly transmitted from the keycap, which can ensure the brightness and uniformity of the emitted light, solve the shortcomings of the traditional keyboard backlight, and improve the practicality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall exploded three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the key cap in the utility model;

[0016] Figure 3 The utility model is a schematic diagram of the exploded three-dimensional structure of the key cap.

[0017] Markings in the figure: 1-USB connecting cable, 2-PCBA mainboard, 3-keycap module, 31-keycap, 311-decorative cover, 312-LED lamp, 313-FPC module, 314-wireless power receiving coil, 315-ferrite, 316-accommodation cavity, 4-middle frame, 5-conductive film, 6-rubber button, 7-wireless power transmitting coil, 8-keyboard bottom cover, 9-anti-slip foot pad. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0019] A keyboard with wireless luminous keycaps, referring to Figure 1-3 , including a keycap module 3, a middle frame 4, a wireless power transmission coil 7, a PCBA mainboard 2 and a keyboard lower cover 8, the middle frame 4 and the keyboard 8 lower cover are covered to form an accommodating space, the wireless power transmission coil 7 and the PCBA mainboard 2 are placed in the accommodating space, the wireless power transmission coil 7 is electrically connected to the PCBA mainboard 2, the keycap module 3 includes a plurality of keycaps 31, the keycap 31 has an accommodating cavity 316 with an upper opening, the accommodating cavity 316 accommodates an FPC module 313 and a wireless power receiving coil 314 electrically connected to the wireless power transmission coil 7 from top to bottom, the FPC module 313 is electrically connected to the wireless power receiving coil 314, and the FPC module 313 An LED lamp 312 is integrated at the upper end, and the LED lamp 312 is integrated in the keycap 31. At the same time, wireless power supply is used to drive the LED lamp 312 on the FPC module 313 to emit light. A large wireless power transmission coil 7 is provided in the keyboard, which is controlled by the PCBA motherboard 2 as a wireless power supply circuit. When the PCBA motherboard 2 turns on the wireless power supply function (i.e., a button on the keyboard designed to turn on / off wireless power supply), the LED lamp 312 on the keycap 31 can be lit to realize the backlight function. The light emitted by the LED lamp 312 can be directly transmitted from the keycap 31, which can ensure the brightness and uniformity of the emitted light, thereby solving the shortcomings of the traditional keyboard backlight.

[0020] Furthermore, a ferrite 315 is provided between the FPC module 313 and the wireless power receiving coil 314. The ferrite 315 can realize magnetic conduction and magnetic shielding, and can increase the inductance.

[0021] Furthermore, a decorative cover 311 is provided at the upper end of the accommodating cavity 316. The decorative cover 311 is made of a light-transmitting material, such as plastic, glass, etc., which is not limited here. The decorative cover 311 can be made in multiple colors and can be customized according to user preferences, thereby increasing the overall aesthetics of the keyboard and providing greater flexibility.

[0022] Furthermore, the upper end of the middle frame 4 is provided with key positions for installing multiple keycaps 31, and the lower part of the middle frame 4 is provided with rubber keys 6 corresponding to the multiple keycaps 31. It also includes a conductive film 5, which is placed in the accommodating space and electrically connected to the PCBA mainboard 2. The conductive film 5 is provided with conducting contacts corresponding to the multiple rubber keys 6. The above structures are combined into a key core module in the current keyboard, which is used to operate computer operation instructions and data input.

[0023] Furthermore, the FPC module 313 is also integrated with a rectifier chip (an additional voltage stabilizing chip may be added), and the rectifier chip can convert alternating current into direct current, thereby meeting the working requirements of the LED lamp 312 .

[0024] Furthermore, it also includes anti-skid pads 9, which are bonded to the four bottom corners of the keyboard lower cover 8. The anti-skid pads 9 can increase the friction between the keyboard and the contact surface, making it more stable when used.

[0025] Furthermore, it also includes a USB connection cable 1, one end of which extends into the accommodating space and is electrically connected to the PCBA mainboard 2. It can be connected to a computer through the USB connection cable 1 to meet subsequent command and data input operations.

[0026] To sum up, the LED lamp 312 is directly integrated into the keycap 31, and wireless power supply is used to drive the LED lamp 312 to emit light. The light emitted by the LED lamp 312 can directly pass through the keycap 31, which can ensure the brightness and uniformity of the emitted light, making it convenient for users to use it in insufficient light, thereby improving the convenience and practicality of the product.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A keyboard with wireless luminous keycaps, characterized in that: Including keycap module, middle frame, wireless power transmission coil, PCBA motherboard and keyboard bottom cover; The middle frame and the keyboard lower cover are covered to form an accommodating space, the wireless power transmission coil and the PCBA mainboard are placed in the accommodating space, and the wireless power transmission coil is electrically connected to the PCBA mainboard; The keycap module includes a plurality of keycaps, each of which has a receiving cavity with an upper opening, wherein an FPC module and a wireless power receiving coil electrically connected to the wireless power transmitting coil are accommodated inside the receiving cavity from top to bottom, the FPC module is electrically connected to the wireless power receiving coil, and an LED light is integrated at the upper end of the FPC module.

2. A keyboard with wireless luminous keycaps as claimed in claim 1, characterized in that: Ferrite is provided between the FPC module and the wireless power receiving coil.

3. A keyboard with wireless luminous keycaps as claimed in claim 1, characterized in that: A decorative cover plate is also provided at the upper end of the accommodating cavity.

4. A keyboard with wireless luminous keycaps as claimed in claim 1, characterized in that: The upper end of the middle frame is provided with key positions for installing a plurality of the key caps, and the lower part of the middle frame is provided with rubber keys corresponding to the plurality of the key caps.

5. A keyboard with wireless luminous keycaps as claimed in claim 1, characterized in that: It also includes a conductive film, which is placed in the accommodating space and electrically connected to the PCBA mainboard, and the conductive film is provided with conducting contacts corresponding to a plurality of rubber buttons.

6. A keyboard with wireless luminous keycaps as claimed in claim 1, characterized in that: The FPC module is also integrated with a rectifier chip.

7. A keyboard with wireless luminous keycaps as claimed in claim 1, characterized in that: It also includes anti-skid pads, which are bonded to the four bottom corners of the keyboard lower cover.

8. A keyboard with wireless luminous keycaps as claimed in claim 1, characterized in that: A USB connecting cable is also included, one end of which extends into the accommodating space and is electrically connected to the PCBA mainboard.

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