CN204129667U - Keyboard with wireless communication function - Google Patents

Abstract

The utility model relates to a keyboard with wireless communication function, including first connector, the keyboard module, wireless communication module and concentrator, first connector detachable connects outside computer, the keyboard module can produce key signal, wireless communication module can carry out data transmission with outside wireless device, the concentrator establishes first data transmission route in order to transmit key signal to this outside computer between first connector and keyboard module, and establish second data transmission route in order to supply wireless communication module and outside computer to carry out data transmission between first connector and wireless communication module. The utility model discloses a keyboard with wireless communication function need not to add the radio communication equipment additionally and can provide user input function and radio communication function simultaneously.

Description

Keyboard with wireless communication function

technical field

The utility model relates to a keyboard, in particular to a keyboard with a wireless communication function.

Background technique

In recent years, with the maturity of short-distance wireless communication technology (such as near field communication (Near Field Communication, NFC) technology, bluetooth (bluetooth) wireless communication technology or ultra wide band (Ultra wide band) wireless communication technology), various applications The application of short-distance wireless communication technology has been proposed.

Among the aforementioned short-distance wireless communication technologies, the near-field communication technology has the best development potential. Near field communication technology has the characteristics of fast connection establishment, high security, and contactless reading and writing, and is suitable for applications such as electronic currency wallets, access control identification, or rapid configuration of electronic devices. For example, near field communication technology can be used to wirelessly transmit a setting command to an electronic device, so that the electronic device automatically executes the setting command, such as opening a specific application program, performing data backup or connecting to the Internet.

In addition, the keyboard is an indispensable input tool when modern people use computers. However, the keyboards currently sold on the market only provide input functions, and there is no keyboard combined with the aforementioned wireless communication function. Therefore, when the user needs to use the wireless communication function, it is often necessary to purchase an additional wireless communication device and connect it to an external computer for use. Moreover, the above-mentioned method of externally connecting the wireless communication device not only needs to occupy the computer port, but also often causes troubles to the user due to the placement and storage of the purchased wireless communication device.

Therefore, the conventional method of separately setting the keyboard and the wireless communication device cannot meet the needs of users, and a more effective solution is urgently needed to be proposed.

Utility model content

The main purpose of the utility model is to provide a keyboard with a wireless communication function, which can simultaneously provide user key input functions and data wireless transmission functions.

In order to achieve the above object, the utility model provides a keyboard with wireless communication function, which includes:

A first connector, detachably connected to an external computer;

A keyboard module, including a plurality of keys, wherein the keyboard module generates a corresponding key signal when the plurality of keys are operated;

A wireless communication module, which performs data transmission with an external wireless device; and

A hub, including a microcontroller, the microcontroller is electrically connected to the first connector, the keyboard module and the wireless communication module, and establishes a first data transmission path between the first connector and the keyboard module to The key signal is transmitted to the external computer, and a second data transmission path is established between the first connector and the wireless communication module, so that the wireless communication module and the external computer perform data transmission.

Further, the wireless communication module includes:

a memory module for storing a transmission data;

An antenna module for transmitting a transmission radio signal or receiving a reception radio signal; and

A control module, electrically connected to the memory module and the antenna module, is used for modulating the transmission data into the transmission radio signal or demodulating the reception radio signal into a reception data.

Further, the wireless communication module complies with the near field communication standard.

Further, the keyboard with wireless communication function further includes a wireless power supply module electrically connected to the microcontroller, the wireless power supply module is used to receive a wired power from the microcontroller, and convert the wired power into a wireless power signal , to provide wireless power to the outside.

Further, the wired power is a direct current type; the wireless power supply module includes:

an inverter for converting the wired power from direct current to alternating current;

a filtering component, electrically connected to the inverter, for filtering the wired power; and

At least one coil is electrically connected to the filtering component, and is used for generating a corresponding magnetic field change according to the wired power of an alternating current type, so as to generate the wireless power signal.

Furthermore, the keyboard with wireless communication function further includes a keyboard casing covering the wireless communication module, the wireless power supply module and the hub, and the antenna module and the coil are arranged in the same area of the keyboard casing.

Further, the keyboard casing is provided with a platform for placing the external wireless device; the antenna module and the coil are arranged under the platform.

Further, a mouse pad or a non-slip pad is laid on the platform.

Further, the keyboard with wireless communication function complies with the universal serial bus power transmission specification.

Further, the keyboard with wireless communication function further includes a warning module electrically connected to the microcontroller, the warning module sends a charging message when the microcontroller inputs the wired power to the wireless power supply module, and When the microcontroller judges that the data of the wireless communication module is in data transmission with the external wireless device, it sends out a data transmission in progress message.

Further, the keyboard with wireless communication function further includes a second connector electrically connected to the hub, and after the second connector is detachably connected to the external computer, it receives and transmits an auxiliary power to the hub.

Compared with the prior art, the utility model achieves the effect that the user input function and the wireless communication function can be provided simultaneously through a single keyboard, without the need to purchase additional wireless communication equipment, and better use convenience can be provided.

Description of drawings

FIG. 1 is a structural diagram of a keyboard with a wireless communication function according to a first specific embodiment of the present invention.

Fig. 2 is a circuit diagram of the wireless power supply module and the power sensing module of the present invention.

Fig. 3 is a schematic diagram of the appearance of the keyboard with wireless communication function according to the first specific embodiment of the present invention.

In the figure, 1...a keyboard with wireless communication function

10...first connector

12...keyboard module

14…hub

140…Microcontrollers

16...Wireless communication module

160…control module

162…antenna module

164…memory module

180, 182, 184, 186...Line

20…Wireless power supply module

200…Inverter

22…Keyboard case

220…platform

24...Alarm module

24a…Wireless charging indicator light

24b...Wireless transmission indicator light

26...second connector

30…external computer

32...first port

34...second port

40…external wireless device

40a…smartphone

40b…wireless mouse

42…Wireless transmission module

44…processor

46…Power sensing module

460…Rectifier

48…battery module

50...the first wireless transmission path

52...the second wireless transmission path

60…near field communication tags

62…Tag Antenna

64…Logic circuits

66…Volume memory

C1...the first filter component

C2...Second filter component

C3...the third filter component

F1...Change frequency value

L1...first coil

L2...second coil

P1...wired power

P2…Wireless power signal

P3...auxiliary power.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the utility model and implement it, but the examples given are not intended to limit the utility model.

First please refer to FIG. 1 , which is a structural diagram of the first specific embodiment of the present invention. As shown in Figure 1, the keyboard 1 with wireless communication function of the present invention (hereinafter referred to as the keyboard 1) mainly includes a first connector 10, a keyboard module 12, a hub 14 and a wireless communication module 16. The wireless communication module 16 includes a control module 160 , an antenna module 162 and a memory module 164 , and the control module 160 is electrically connected to the antenna module 162 and the memory module 164 .

Preferably, the wireless communication module 16 complies with short-distance wireless communication standards (such as near-field communication (NFC) standards, bluetooth (bluetooth) wireless communication standards or ultra-wideband (Ultra wide band) wireless communication standards), but should not As a limit, the wireless communication module 16 may also comply with non-short-distance wireless communication standards (such as Wi-Fi Direct communication standard or ZigBee wireless communication standard).

The first connector 10 is used for detachably connecting an external computer 30 . In more detail, the first connector is detachably connected to a first port 32 of the external computer 30 to transmit data and power. Preferably, the first connector 10 is a universal serial bus (Universal Serial Bus, USB) connector, but should not be limited thereto, the first connector 10 can also be a PS/2 interface connector, RJ45 connector (combined with Power over Ethernet (POE) technology) or Apple's (APPLE Co.) Lightning (Lightning) connector.

In another embodiment of the present invention, the external computer 30 and the keyboard 1 comply with the USB Power Delivery Specification. Preferably, the external computer 30 is a power supply terminal (Provider) of USB power transmission, and the keyboard 1 is a power receiver (Consumer) of USB power transmission, but it should not be limited thereto.

Furthermore, the external computer 30 and the keyboard 1 respectively include an integrated circuit (Integrated Circuit, IC) for controlling power transmission of the USB, and can perform data transmission to determine the amount of power that can be transmitted/received to each other . In this way, the keyboard 1 can receive higher power from the external computer 20 using the existing USB transmission line.

In another embodiment of the present invention, the first connector 10 may further include a connector detection terminal (not shown in the figure) for detecting whether the connected device complies with the Universal Serial Bus power transmission specification. Preferably, the first connector 10 is a USB Power Delivery (USB PD) connector, but not limited thereto.

In more detail, when the first connector 10 is connected to the first port 32, if the connector detection terminal is also electrically connected to a port detection terminal of the first port 32 (not shown), then the It is determined that the external computer 30 complies with the USB power transmission specification, and can receive higher power from the external computer 30 , but should not be limited thereto.

In another embodiment of the present utility model, the keyboard 1 with wireless power supply function may include a detection capacitor (not shown in the figure) to withstand the higher current electrical load received from the external computer 30, so as to It is used for the external computer 30 to identify whether the keyboard 1 with the wireless power supply function complies with the USB power transmission specification.

The keyboard module 12 includes a plurality of keys (not shown in the figure), wherein the keyboard module 12 can generate a key signal corresponding to the operated key when the plurality of keys are operated. Preferably, the number of the plurality of keys is more than 60 keys, such as 84 keys, 104 keys, 107 keys or 108 keys.

The hub 14 is used to connect the keyboard module 12 and the wireless communication module 16 to the first connector 10 . In more detail, the hub 14 includes a microcontroller 140 electrically connected to the first connector 10 , the keyboard module 12 and the control module 160 of the wireless communication module 16 . The microcontroller 140 establishes a first data transmission path between the first connector 10 and the keyboard module 12 to transmit the key signal to the external computer 30, and connects the first connector 10 with the wireless communication module A second data transmission path is established between the wireless communication module 16 and the external computer 30 for data transmission.

Furthermore, the first data transmission path is composed of a line 180 between the microcontroller 140 and the external computer 30 and a line 182 between the microcontroller 140 and the keyboard module 12; the second data transmission path It consists of the circuit 180 and a circuit 184 between the microcontroller 140 and the wireless communication module 16 . The microcontroller 140 acts as a relay node between the first data transmission path and the second data transmission path, and integrates the lines 182 , 184 into a single line 180 . Thus, the keyboard 1 of the present utility model only needs to use a single line 180 to connect to the external computer 30, so that the keyboard module 12 and the wireless communication module 16 can simultaneously transmit data with the external computer 30, thereby reducing The installation cost of the line and the usage number of the ports of the external computer 30 .

The wireless communication module 16 is used for data transmission with an external wireless device 40 in a wireless manner. More specifically, the memory module 164 of the wireless communication module 16 stores a transmission data to be transmitted to the external wireless device 40 or a reception data received from the external wireless device 40 . The control module 160 can obtain the transmission data from the memory module 164, modulate the transmission data into a transmission wave signal and transmit it to the external wireless device 40 via the antenna module 162 and a first wireless transmission path 50 for a wireless transmission Module 42. Next, the wireless transmission module 42 receives and converts the transmission radio signal into the transmission data, and sends it to a processor 44 electrically connected to the wireless transmission module 42 for subsequent processing. The control module 160 can also receive a received radio wave signal from the wireless transmission module 42 of the external wireless device 40 via the antenna module 162 and the first wireless transmission path 50, demodulate the received radio wave signal into the received data and store it. to the memory module 164.

Furthermore, the control module 160 can receive the transmission data from the external computer 30 via the second data transmission path (i.e. the lines 180, 184) and the first connector 10 and temporarily store it in the memory module 164 for waiting transmitted to the external wireless device 40. In addition, the control module 160 can transmit the received data temporarily stored in the memory module 164 to the external computer 30 via the second data transmission path (ie, the lines 180, 184) and the first connector 10. In this way, the keyboard 1 can be used as an external wireless communication device of the external computer 30 , so that the external computer 30 can perform wireless data transmission with the external wireless device 40 .

Furthermore, the first wireless transmission path 50 is a radio frequency (RF) frequency band (such as 13.56 MHz or 2.4 GHz). The wireless transmission module 42 can receive the transmission wave signal in the wireless radio frequency band (that is, the first wireless transmission path 50 ) sent by the keyboard 1 via the antenna module 162, and demodulate the transmission wave signal into the transmission After the data is sent to the processor 44 for subsequent processing. The wireless transmission module 42 can also obtain the received data from the processor 44, modulate the received data into the received radio signal, and transmit the received radio signal externally through the wireless radio frequency band (the first wireless transmission path 50), To make the keyboard 1 receive through the antenna module 162 . In this way, the external computer 30 can perform wireless data transmission with the external wireless device 40 via the keyboard 1 .

Preferably, the wireless communication module 16 is a near field communication (NFC) module. The wireless communication module 16 and the wireless transmission module 42 use near field communication technology for data transmission. Furthermore, the external wireless device 40 is an active near field communication device, such as a smart phone, a tablet computer or a wearable device with an active near field communication module. But it should not be limited thereto. In another embodiment of the present invention, the wireless communication module 16 can also communicate wirelessly with a passive near field communication device, such as a near field communication tag (NFC tag) 60 . The NFC tag 60 includes a tag antenna 62 , a logic circuit 64 and a tag memory 66 , and the logic circuit 64 is electrically connected to the tag antenna 62 and the tag memory 66 . The NFC tag 60 can perform data transmission with the wireless communication module 16 via the tag antenna 62 and the second wireless transmission path 52 .

Furthermore, the second wireless transmission path 52 is a radio frequency (RF) frequency band (such as 13.56 MHz). The tag antenna 62 can receive the transmission wave signal located in the wireless radio frequency band (that is, the second wireless transmission path 52), and generate an induction power through an induction coil (not shown in the figure) according to the transmission wave signal as the The NFC tag 60 requires power for operation. Next, the logic circuit 64 demodulates the transmission radio signal into the above transmission data, and stores it in the tag memory 66 . The logic circuit 64 can also modulate the above-mentioned received data stored in the tag memory 66 into the received radio wave data, and use the wireless radio frequency band (that is, the second wireless transmission path 52 ) via the tag antenna 62 External transmission, so that the wireless communication module 16 receives through the antenna module 162 . In this way, the NFC tag 60 can perform wireless data transmission with the external computer 30 connected to the keyboard 1 .

In another embodiment of the present invention, the keyboard 1 further includes a wireless power supply module 20 electrically connected to the microcontroller 140 . The microcontroller 140 receives power required for operation through the first connector 10 , and inputs the received power as wired power P1 into the wireless power supply module 20 through a line 186 . The wireless power supply module 20 converts the wired power P1 into a wireless power signal P2 to provide the wireless power signal P2 to the external wireless device 40 . Furthermore, the microcontroller 10 transmits a converted frequency value F1 to the wireless power supply module 20 to control the operation of the wireless power supply module 20 (details will be described later). Preferably, the wireless power supply module 20 uses electromagnetic induction technology or magnetic coupling resonance technology to convert the wired power P1 into the wireless power signal P2.

In more detail, the external wireless device 40 further includes a power sensing module 46 electrically connected to the processor 44 and a battery module 48 electrically connected to the power sensing module 46 . When the external wireless device 40 is placed in an effective field of the wireless power signal P2, the power sensing module 46 can sense the change of the magnetic field of the effective field to generate an induced current (when the wireless power supply module 20 uses electromagnetic induction technology), or resonate with the wireless power signal P2 to generate a resonant current (when the wireless power supply module 20 uses magnetic coupling resonance technology). Next, the power sensing module 46 transmits the generated current to the battery module 48 for charging. In this way, the keyboard 1 can wirelessly provide power to the external wireless device 40 to charge the battery module 48 . Preferably, the wireless power supply module 20 and the power sensing module 46 comply with the Qi standard.

It is worth mentioning that although in this embodiment, data transmission and wireless power supply are simultaneously performed on a single external wireless device 40, it should not be limited to this, and in another embodiment of the present utility model, it is also possible to Different external wireless devices perform data transmission or wireless power supply respectively.

In another embodiment of the present invention, the keyboard 1 further includes a keyboard casing 22 , and the keyboard casing 22 covers the hub 14 , the wireless communication module 16 and the wireless power supply module 20 to provide protection. Preferably, the keyboard casing 22 further partially covers the keyboard module 12 , and only the keycaps of the plurality of keys of the keyboard module 12 are exposed outside the keyboard casing 22 . Furthermore, the surface of the keyboard case 100 may include a placing structure (as shown in FIG. 3 ), so as to make the external wireless device 40 be placed on the keyboard case 22 stably. The placement structure can be but not limited to a groove, a platform or a built-in storage box, and the placement structure is disposed within the transmission range of the wireless communication module 16 or within the effective field of the wireless power signal P2. In another embodiment of the present invention, the keyboard housing 22 may further be provided with a storage slot (not shown) for accommodating the first connector 10 and its transmission line.

In another embodiment of the present invention, the keyboard 1 further includes a warning module 24 (such as an indicator light or a buzzer), electrically connected to the microcontroller 140 . The warning module 24 can be controlled by the micro-controller 140, and when the micro-controller 140 inputs the wired power P1 to the wireless power supply module 20, it sends out a charging message (such as keeping the indicator light on or making the buzzer beep) alarm beep). In addition, the warning module 24 can be controlled by the microcontroller 140, and when the microcontroller 140 judges that the wireless communication module 16 is carrying out data transmission with the external wireless device 40, it sends a message in data transmission (such as flashing the indication light or make the buzzer sound).

In another embodiment of the present invention, the keyboard 1 further includes a second connector 26 electrically connected to the microcontroller 140 , and the second connector 26 is exposed outside the keyboard casing 22 . After the second connector 26 is detachably connected to a second port 34 of the external computer 30 , it can receive and transmit an auxiliary power P3 from the external computer 30 to the microcontroller 140 through the line 180 . Furthermore, the second port 34 only transmits power without any data transmission. In this way, by simultaneously using the first connector 10 and the second connector 26 to obtain power from the external computer 30, the keyboard 1 can ensure that the power and voltage of the current power can meet the standards required for operation, and can maintain normal operation. operate.

Preferably, the second connector 26 is a Universal Serial Bus (Universal Serial Bus, USB) connector, but should not be limited thereto, the second connector 26 can also be a PS/2 interface connector, RJ45 connector (combined with Power over Ethernet (POE) technology) or Apple's (APPLE Co.) Lightning (Lightning) connector.

Please refer to FIG. 2 , which is a circuit diagram of the wireless power supply module and the power sensing module of the present invention. In this embodiment, electromagnetic induction technology is used for wireless power supply. As shown in FIG. 2 , the wireless power supply module 20 includes an inverter 200 , a first filtering component C1 and a first coil L1 . The microcontroller 140 inputs the wired power P1 of direct current (DC) type to the inverter 200, and the inverter 200 converts the wired power P1 of the direct current type according to the converted frequency value F1 received from the microcontroller 140. The wired power P1 is converted into the wired power P1 of an alternating current type (AC).

The first filter component C1 filters the wired power P1 of AC type, and transmits the filtered wired power P1 of AC type to the first coil L1 . When the wired power P1 of the filtered AC type flows through the first coil L1, due to the law of electromagnetic induction, the direction of the magnetic field around the first coil L1 will continuously change. By continuously changing the direction of the magnetic field, the first coil L1 can generate and transmit the wireless power signal P2 in the effective field (ie, the three-dimensional space where the direction of the magnetic field is changed). Preferably, the inverter 200 is a half-bridge inverter; the first coil L1 is a single coil, a magnetic coil (that is, the coil is fixed in position and provided with a magnet, which can attract the external wireless device 40 to the best power supply position), a moving coil (that is, the coil position can be moved and is provided with a magnet, so it can be attracted by the external wireless device 40 to move to the best power supply position) or an array of coils (that is, multiple coils arranged at different positions or different angles to increase the effective field range); the first filter component C1 is a capacitor.

The power induction module 46 includes a second coil L2 , a second filter component C2 , a third filter component C3 and a rectifier 460 . When the second coil L2 is located in the effective field of the wireless power signal P2, due to the law of electromagnetic induction, the second coil L2 generates an alternating current pattern according to the change of the magnetic field direction in the effective field and has an induced current 1. Inductive electricity. Then the second filter component C2 and the third filter component C3 filter the induced power of AC type, and input the filtered induced power of AC type to the rectifier 460 . The rectifier 460 rectifies the filtered AC induced power to generate and output the induced DC induced power to the outside (for example to charge the battery module 48 ). In this way, the wireless power supply module 20 can transmit power to the power sensing module 46 in a wireless manner.

It is worth mentioning that the circuit shown in FIG. 2 is only used to illustrate the operation principle of the wireless power supply module 20 and the power sensing module 46 of the present invention, and is not used to limit the wireless power supply module and the power sensing module 46 The circuit configuration of the present utility model, those with ordinary knowledge in the technical field of the present utility model can modify the circuit arbitrarily according to requirements or adopt a circuit equivalent to the circuit disclosed in FIG. 2 .

Please refer to FIG. 3 , which is a schematic diagram of the appearance of the first embodiment of the present invention. In this embodiment, near field communication (NFC) technology is used for wireless communication, and electromagnetic induction technology is used for wireless power supply. As shown in FIG. 3 , the first connector 10 of the keyboard 1 is connected to the first port 32 of the external computer 30 to transmit data and power. The second connector 26 is connected to the second port 34 of the external computer 30 to receive and transmit the auxiliary power P3 to the main body of the keyboard 1 . The keycaps of the plurality of keys of the keyboard module 12 are exposed outside the keyboard housing 22 for users to perform input operations.

The keyboard housing 22 is further provided with the placing structure (in this embodiment, the placing structure is a platform 220), and can be used for placing the external wireless device 40 (in this embodiment, the external wireless device 40 is a smart phone 40a and a wireless mouse 40b). Furthermore, the wireless communication module 16 and the wireless power supply module 20 are arranged in the same area of the keyboard housing 22 (in this embodiment, the wireless communication module 16 and the wireless power supply module 20 are arranged on the platform 220 below and covered by the keyboard casing 22), but should not be limited thereto. In addition, only the antenna module 162 of the wireless communication module 16 and the coil L1 of the wireless power supply module 20 can be arranged in the same area of the keyboard casing 22, or the wireless communication module 16 and the wireless power supply module 20 can be separately It is arranged in any area of the keyboard casing 22 .

In more detail, when the user places the smart phone 40a on the platform 200 , the smart phone 40a can use the near field communication technology to perform data transmission with the external computer 30 via the keyboard 1 . Moreover, if the smart phone 40a is placed within the effective field of the wireless power signal P2, the keyboard 1 can wirelessly charge the battery module 48 of the smart phone 40a at the same time.

In addition, when the user intends to operate the wireless mouse 40b on the platform 220, the wireless mouse 40b can be directly placed on the platform 220, so that the wireless mouse 40b uses the near field communication technology to pass through the wireless transmission module 42 Transmitting a device identification data to the keyboard 1 . The keyboard 1 then transmits the device identification data to the external computer 30 via the first connector 10 by wire. Thus, the external computer 30 can execute a driver program or an application program corresponding to the wireless mouse 40b according to the device identification data to enable a wireless connection with the wireless mouse 40b (not shown) without user operation. . Moreover, when the wireless mouse 40b is operated on the platform 220, the first coil L1 of the wireless power supply module 20 can simultaneously charge the battery module 48 of the wireless mouse 40b.

In addition, the user can also use the near field communication tag 60 to approach the platform 220 so that the near field communication tag 60 can perform wireless data transmission with the wireless communication module 16 disposed under the platform 220 . In this way, the external computer 30 connected to the keyboard 1 can perform wireless data transmission with the NFC tag 60 .

Furthermore, a mouse pad can be laid on the platform 220 so that the user can operate the wireless mouse 40b on the platform 220 smoothly. In addition, an anti-slip mat can also be laid on the platform 220 to prevent the smart phone 40a placed on the platform 220 from slipping.

Furthermore, the warning module 24 is provided on the keyboard housing 100 (in this embodiment, the warning module 24 is a wireless charging indicator light 24a and a wireless transmission indicator light 24b). When the keyboard 1 is charging the external wireless device 40, the wireless charging indicator light 24a is always on or blinking, so as to send the charging information to the user. When the keyboard 1 is performing wireless data transmission to the external wireless device 40 or the NFC tag 60 , the wireless transmission indicator 24b is always on or blinking, so as to inform the user that the data transmission is in progress.

Compared with the prior art, the utility model achieves the effect that the user input function and the wireless communication function can be provided through a single keyboard at the same time, without the need to purchase additional wireless communication equipment, and better use convenience can be provided.

The utility model can obtain higher power power from an external computer by using the first port conforming to the universal serial bus power transmission specification, which can ensure that the current power of the keyboard with wireless communication function of the utility model can meet the operating requirements required standards to maintain normal operation.

The utility model obtains power through the first port and the second port at the same time, which can ensure that the power and voltage of the current power of the keyboard with wireless communication function of the utility model can meet the required standard for operation, and can maintain normal operation.

The utility model allows the user to directly use the keyboard to supply wireless power to an external wireless device without additional external power supply when using the keyboard, thereby providing better charging convenience.

The above-mentioned embodiments are only preferred embodiments for fully illustrating the utility model, and the protection scope of the utility model is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present utility model are all within the protection scope of the present utility model. The scope of protection of the utility model shall be determined by the claims.

Claims (11)

1. have a keyboard for radio communication function, it is characterized in that, this keyboard with radio communication function comprises:

One first connector, connection one outer computer of removable jew;

One Keysheet module, comprises a plurality of button, and wherein this Keysheet module produces a corresponding push button signalling when this button a plurality of is operated;

One wireless communication module, this wireless communication module and an external wireless devices carry out data transmission; And

One hub, comprise a microcontroller, this microcontroller is electrically connected this first connector, this Keysheet module and this wireless communication module, a first data transmission path is set up to transmit this push button signalling to this outer computer between this first connector and this Keysheet module, set up one second data transfer path in this first connector and this radio communication mold interblock, make this wireless communication module and this outer computer carry out data transmission.

2. have the keyboard of radio communication function as claimed in claim 1, it is characterized in that, this wireless communication module comprises:

One memory module, in order to store transmission data;

One Anneta module, in order to transmit electric wave signal or to receive electric wave signal; And

One control module, is electrically connected this memory module and this Anneta module, in order to these transmission data of modulation for this transmission electric wave signal or this reception electric wave signal of solution modulation are reception data.

3. have the keyboard of radio communication function as claimed in claim 2, it is characterized in that, this wireless communication module meets near field communication standard.

4. there is the keyboard of radio communication function as claimed in claim 3, it is characterized in that, this keyboard with radio communication function more comprises a wireless power supply module and is electrically connected this microcontroller, this wireless power supply module is in order to receive a corded power from this microcontroller, and change this corded power into a wireless power signal, to provide wireless power to outside.

5. have the keyboard of radio communication function as claimed in claim 4, it is characterized in that, this corded power is direct current kenel; This wireless power supply module comprises:

One inverter, in order to be converted to alternating current kenel by this corded power by direct current kenel;

One filtering unit, is electrically connected this inverter, in order to carry out filtering to this corded power; And

At least one coil, is electrically connected this filtering unit, generates corresponding changes of magnetic field, to produce this wireless power signal in order to this corded power according to alternating current kenel.

6. there is the keyboard of radio communication function as claimed in claim 5, it is characterized in that, this keyboard with radio communication function more comprises a keyboard case this wireless communication module coated, this wireless power supply module and this hub, and this Anneta module and this coil are arranged at the same area of this keyboard case.

7. have the keyboard of radio communication function as claimed in claim 6, it is characterized in that, this keyboard case is provided with the platform for placing this external wireless devices; Under this Anneta module and this coil are arranged at this platform.

8. there is the keyboard of radio communication function as claimed in claim 7, it is characterized in that, this platform is equipped with a mouse pad or a sliding-proof pad.

9. have the keyboard of radio communication function as claimed in claim 8, it is characterized in that, this keyboard with radio communication function meets USB (universal serial bus) electric power transfer specification.

10. there is the keyboard of radio communication function as claimed in claim 9, it is characterized in that, this keyboard with radio communication function more comprises an alarm module and is electrically connected this microcontroller, this alarm module is when this microcontroller inputs this corded power to this wireless power supply module, send information in a charging, and in this microcontroller judge this radio communication mold blocks of data just carrying out with this external wireless devices data transmit time, send one data transmission in information.

11. keyboards as claimed in claim 10 with radio communication function, it is characterized in that, this keyboard with radio communication function more comprises one second connector and is electrically connected this hub, after this second connector removable jew connects this outer computer, receive and transmit an auxiliary power to this hub.