Tablet Leather Case Keyboard with Wireless Charging

Abstract

A tablet computer leather case keyboard with wireless charging function, the leather case includes a cover and an inner cover, the cover and the inner cover are fixedly installed together, a protective shell is fixedly installed on the inner side of the front of the leather case, a keyboard module is fixedly installed on the inner side of the back of the leather case, a keyboard notch is provided on the inner cover corresponding to the position of the keyboard module, a control circuit is provided in the leather case, the control circuit includes a central control module, a key input module, a lithium battery, a power management module, a charging input interface and a charging coil, the key input module is connected to the central control module, the lithium battery is used for power supply, the power management module is connected to the lithium battery, the charging input interface and the charging coil are respectively connected to the power management module, and the charging coil is provided below the keyboard module behind the leather case. The present invention is fixedly provided with a wireless charging coil in the leather case, and when in use, the keyboard leather case is placed on a wireless charger, which can not only charge the leather case keyboard, but also charge the tablet computer through the leather case keyboard.

Description

Technical Field

[0001] The invention discloses a tablet computer leather case keyboard, in particular a tablet computer leather case keyboard with a wireless charging function, belonging to the technical field of peripheral supporting products of electronic products. Background Art

[0002] With the continuous development of electronic products, smart handheld terminals are more and more widely used in people's lives. Common smart handheld terminals usually include smart phones and tablet computers. Moreover, as the processing chips and storage chips of smart terminal applications such as mobile phones and tablet computers become more and more powerful, mobile phones and tablet computers can basically handle things that ordinary computers can handle. In particular, tablet computers even have a trend of replacing traditional computers. However, when tablet computers were first designed, they were designed to be touch-screen operated for ease of carrying, which is not very convenient for inputting large amounts of text. Moreover, the display screen of the tablet computer is exposed and is easily damaged during carrying. Therefore, people usually add a protective leather case to protect it. Some people also add an input keyboard to the protective leather case to give it a keyboard input function. However, the input keyboard needs to be powered by a battery. When the battery is out of power, it cannot be used, which brings many restrictions to its use. Summary of the invention

[0003] In view of the above-mentioned shortcoming that the tablet computer protective leather case in the prior art needs to be powered by batteries, the present invention provides a tablet computer leather case keyboard with a wireless charging function, in which a wireless charging coil is fixedly arranged in the leather case, which can not only charge the leather case keyboard, but also charge the tablet computer through the leather case keyboard.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a tablet computer leather case keyboard with wireless charging function, the leather case keyboard includes a leather case and a protective shell, the protective shell is fixedly installed on the leather case, the leather case includes a front cover and an inner cover, the front cover and the inner cover are fixedly installed together, the protective shell is fixedly installed on the inner side of the front of the leather case, a keyboard module is fixedly installed on the inner side of the back of the leather case, a keyboard notch is provided on the inner cover at a position corresponding to the position of the keyboard module, a control circuit is provided in the leather case, the control circuit includes a central control module, a key input module, a lithium battery, a power management module, a charging input interface and a charging coil, the key input module is connected to the central control module, the lithium battery is used for power supply, the power management module is connected to the lithium battery, the charging input interface and the charging coil are respectively connected to the power management module, and the charging coil is arranged below the keyboard module at the back of the leather case.

[0005] The technical solution adopted by the present invention to solve the technical problem further includes:

[0006] A first supporting plate is fixedly installed inside the front of the leather case.

[0007] The output coil is fixedly mounted on the first support plate. A mounting groove is provided on the first support plate at a position corresponding to the output coil, and the output coil is arranged in the mounting groove.

[0008] An inner core plate is fixedly mounted on the inner skin in front of the leather case.

[0009] A second supporting plate is fixedly installed inside the rear of the leather case, and the keyboard module is installed above the second supporting plate.

[0010] A circuit board is fixedly mounted on the second support plate. A mounting groove is provided on the second support plate at a position corresponding to the circuit board, and the circuit board is arranged in the mounting groove.

[0011] The central control module is connected with a wireless transmission module, and the wireless transmission module adopts an RF module or a Bluetooth module.

[0012] The central control module is connected with an indication module.

[0013] The lithium battery is connected to an inverter module, and the inverter module is connected to a charging output interface.

[0014] The inverter module is connected with a wireless charging module.

[0015] The beneficial effect of the present invention is that a wireless charging coil is fixedly arranged in the leather case, and when in use, the keyboard leather case is placed on the wireless charger, which can not only charge the leather case keyboard, but also charge the tablet computer through the leather case keyboard.

[0016] The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0018] Figure 2 It is a schematic diagram of the structure of the decomposed state of the present invention.

[0019] Figure 3 This is a block diagram of the control circuit of the present invention.

[0020] In the figure, 1-leather case, 2-protective shell, 3-surface skin, 4-inner skin, 5-first support plate, 6-second support plate, 7-installation slot, 8-core board, 9-keyboard module, 10-output coil, 11-connecting wire, 12-circuit board. DETAILED DESCRIPTION

[0021] This embodiment is a preferred implementation mode of the present invention. Other embodiments whose principles and basic structures are the same or similar to those of this embodiment are within the protection scope of the present invention.

[0022] Please see attached Figure 1 and attached Figure 2 The present invention mainly includes a leather case 1 and a protective shell 2. The protective shell 2 is fixedly mounted on the leather case 1. In this embodiment, the leather case 1 includes a surface skin 3 and an inner skin 4. The surface skin 3 and the inner skin 4 are fixedly mounted together to form the main body of the leather case 1. In this embodiment, there is a folding edge in the middle of the leather case 1, which can be folded along the folding edge to fold the front and back parts together to protect the tablet computer. In this embodiment, one side of the fixedly mounted protective shell 2 is defined as the front, and one side of the fixedly mounted keyboard module is defined as the back. The protective shell 2 is fixedly mounted on the inner side of the front of the leather case 1. A first support plate 5 is fixedly mounted inside the front of the leather case 1 to play a supporting role. An inner core plate 8 is fixedly mounted on the inner skin 4 in front of the leather case 1. In this embodiment, a second support plate 6 is fixedly mounted inside the back of the leather case 1, and a keyboard module 9 is mounted above the second support plate 6 for keyboard input. In this embodiment, a keyboard notch is provided on the inner skin 4 at a position corresponding to the keyboard module 9, so that the entire keyboard can be exposed outside the inner skin 4 for convenient input.

[0023] In this embodiment, an output coil 10 is fixedly mounted on the first support plate 5, and the tablet computer can be wirelessly charged through the output coil 10. In this embodiment, a mounting groove 7 is provided on the first support plate 5 at a position corresponding to the output coil 10, and the mounting groove 7 is a hollow through groove. The output coil 10 is arranged in the mounting groove 7, which can ensure the support strength of the first support plate 5 while not increasing the overall thickness due to the output coil 10. In this embodiment, a circuit board 12 is fixedly mounted on the second support plate 6, and a control circuit is arranged on the circuit board 12. In this embodiment, a mounting groove 7 is provided on the second support plate 6 at a position corresponding to the circuit board 12, and the mounting groove 7 is a hollow through groove. The circuit board 12 is arranged in the mounting groove 7, which can ensure the support strength of the second support plate 6 while not increasing the overall thickness due to the circuit board 12. The output coil 10 is connected to the circuit board 12 through a connecting line 11.

[0024] Please see attached Figure 3 The control circuit in the present invention includes a central control module, a key input module, a lithium battery, a power management module, a charging input interface and a charging coil. In this embodiment, the central control module can adopt a chip with data processing function such as a single-chip microcomputer or an MCU. The key input module is connected to the central control module for key input. The lithium battery supplies power to the central control module and other modules. The power management module is connected to the lithium battery. The charging input interface and the charging coil are respectively connected to the power management module. The lithium battery is charged through a wireless charging coil or an external plug. In this embodiment, the charging coil is arranged below the keyboard module 9 behind the leather case 1 (not shown in the figure).

[0025] In this embodiment, a wireless transmission module is connected to the central control module for connecting to a tablet computer for data communication. In this embodiment, the wireless transmission module may use an RF module or a Bluetooth module to connect to the tablet computer via RF or Bluetooth. In specific implementation, a data cable may also be used to connect the present invention to the tablet computer.

[0026] In this embodiment, an indication module is connected to the central control module, and the indication module can be used to indicate the use status and power status of the present invention.

[0027] In this embodiment, the lithium battery is connected to an inverter module, and the inverter module is connected to a charging output interface, and a tablet computer can be connected to the charging output interface to charge the tablet computer through the present invention. In this embodiment, the inverter module is also connected to a wireless charging module, and the tablet computer can be wirelessly charged through the wireless charging module.

[0028] When the present invention is in use, the built-in lithium battery of the present invention can be charged through the charging coil, and the tablet computer can also be powered by wired or wireless means.

[0029] The present invention has a wireless charging coil fixedly arranged in the leather case. When the keyboard leather case is used, the keyboard is placed on the wireless charger, which can not only charge the leather case keyboard, but also charge the tablet computer through the leather case keyboard.

Claims

1. A tablet computer leather case keyboard with wireless charging function, characterized by: The leather case keyboard comprises a leather case and a protective shell, the protective shell is fixedly mounted on the leather case, the leather case comprises a cover and an inner skin, the cover and the inner skin are fixedly mounted together, the protective shell is fixedly mounted on the inner side of the front of the leather case, a keyboard module is fixedly mounted on the inner side of the back of the leather case, a keyboard notch is arranged on the inner skin at a position corresponding to the position of the keyboard module, a control circuit is arranged in the leather case, the control circuit comprises a central control module, a key input module, a lithium battery, a power management module, a charging input interface and a charging coil, the key input module is connected to the central control module, the lithium battery is used for power supply, the power management module is connected to the lithium battery, the charging input interface and the charging coil are respectively connected to the power management module, and the charging coil is arranged below the keyboard module at the back of the leather case; A first supporting plate is fixedly installed inside the front of the leather case; The output coil is fixedly mounted on the first support plate, and a mounting groove is provided on the first support plate at a position corresponding to the output coil, and the output coil is arranged in the mounting groove; A second support plate is fixedly installed inside the back of the leather case, and the keyboard module is installed above the second support plate; A circuit board is fixedly mounted on the second support plate, and a mounting groove is provided on the second support plate at a position corresponding to the circuit board, and the circuit board is arranged in the mounting groove; An inner core plate is fixedly mounted on the inner skin in front of the leather case; The central control module is connected with a wireless transmission module, and the wireless transmission module adopts an RF module or a Bluetooth module; The central control module is connected with an indication module; The lithium battery is connected to an inverter module, and the inverter module is connected to a charging output interface; The inverter module is connected with a wireless charging module.

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