TWM517467U - Multiple computers switching device with rapid charging function - Google Patents

Description

Multi-computer switching device with fast charging function

The present invention aims to provide a multi-computer switching device, and in particular to a multi-computer switching device having a fast charging function.

In recent years, due to the rapid development of smart mobile device technology, and the increasing use and dependence of smart mobile devices by consumers, smart mobile devices have become an indispensable necessity in today's human life. In addition, the market is also actively developing peripheral products related to portable smart devices to meet the various needs of consumers. In addition to smart mobile devices, the audio-visual multimedia entertainment industry has always occupied a certain proportion in the consumer market. Among them, multi-computer switching devices integrate input and output devices (such as keyboards, mice, screens, etc.) with multiple hosts. General use in shopping malls and homes.

However, for users, smart mobile devices generally suffer from insufficient power savings. Therefore, when the user uses the smart mobile device for a period of time, charging is required; and under the trend that the user's dependence is gradually increased, the charging time is bound to be shortened to satisfy the consumer. Therefore, the recent development of smart mobile devices for fast charging has become a major development focus for related operators.

Therefore, if the smart mobile device fast charging technology can be integrated into the multi-computer switching device, the user can charge the smart mobile device while controlling one of the mainframes by using the multi-computer switching device.

The present invention provides a multi-computer switching device with a fast charging function, coupled to an input/output device, an electronic device, and a plurality of hosts, so that the input/output device connects and controls one of the hosts through the KVM switching device. The KVM switching device includes a power source terminal, a USB (Universal Serial Bus) port, and a power conversion module. The power source end is used to output a first current. The USB connection is electrically connected to the electronic device and is used to transmit the fast charging signal generated by the electronic device. The power conversion module is coupled between the power source end and the USB port, and receives the first current generated by the power source. The power conversion module includes a detecting unit and a current adjusting unit. The detecting unit is electrically connected to the USB port and is used to detect whether a fast charging signal is received. The current adjustment unit is electrically connected between the power source end, the USB port and the detecting unit. When the detecting unit detects the fast charging signal, the detecting unit controls the current adjusting unit to convert the first current into a second current, and outputs a second current to the electronic device through the USB port, and the second current is higher than the first current. Current; when the detecting unit does not detect the fast charging signal, the detecting unit controls the current adjusting unit to output the first current to the electronic device through the USB port.

It can be seen from the above that the multi-computer switching device provided by the present embodiment can charge the electronic device at different speeds according to whether the electronic device has a fast charging function. If the electronic device does not have a fast charging function, the multi-computer switching device will charge the electronic device with the first current; and if the electronic device has the fast charging function, the multi-computer switching device will use the second current for the electronic device higher than the first current. Perform a quick charge. In addition, the KVM switching device can connect the input/output device to one of the plurality of hosts by a switching circuit, so that the input/output device can control the selected host. Accordingly, the user can simultaneously charge the electronic device at different speeds while controlling the selected host by the input/output device.

The above description of the present invention and the following description of the embodiments are provided to illustrate and explain the principles of the present invention, and to provide further explanation of the scope of the patent application of the present invention, but the description and the drawings are merely illustrative. Benchuang Do not limit the scope of the rights of this creation.

10‧‧‧Input and output devices

20‧‧‧Multicomputer switching device

201‧‧‧Power source

202‧‧‧Power Conversion Module

2021‧‧‧ Current adjustment unit

2022‧‧‧Detection unit

203‧‧‧USB port埠

204‧‧‧Switching circuit

205‧‧‧Control unit

30‧‧‧Electronic devices

401, 402‧‧‧ host

50‧‧‧Remote control

60‧‧‧External electrical installations

AC1‧‧‧First current

AC2‧‧‧second current

CS‧‧‧ fast charging signal

310‧‧‧Input and output devices

311‧‧‧ Mouse

312‧‧‧ keyboard

313‧‧‧ screen

320‧‧‧Multicomputer switching device

330‧‧‧Mobile phones

3401, 3402‧‧‧ host

360‧‧‧mains power supply

1 is a block diagram of a multi-computer switching device of the present embodiment.

2 is a block diagram of a multi-computer switching device according to another embodiment of the present invention.

3 is a schematic diagram of a multi-computer switching device of the present embodiment.

In order to enable fast charging of an electronic device with a fast charging function, the present embodiment provides a multi-computer switching device with a fast charging function.

When the multi-computer switching device is connected to the electronic device, the detecting unit in the power conversion module can detect whether the electronic device sends a fast charging signal (indicating whether the detecting electronic device has a fast charging function). When the detecting unit receives the fast charging signal sent by the electronic device, the control current adjusting unit adjusts the first current to a second current higher than the first current, and outputs the second current to the electronic device via the USB port, to The electronic device performs fast charging; in contrast, when the detecting unit does not detect the fast charging signal, the control current adjusting unit outputs the first current to the electronic device via the USB port to perform general speed charging on the electronic device.

In the following, the present creation will be described in detail by way of various illustrative embodiments of the present invention. However, the inventive concept may be embodied in many different forms and should not be construed as being limited to the illustrative embodiments set forth herein. In addition, the same reference numerals may be used in the drawings to represent similar elements.

[Embodiment of a multi-computer switching device with a fast charging function]

First, please refer to FIG. 1. FIG. 1 is a block diagram of a multi-computer switching device according to an embodiment of the present invention. The KVM switching device 20 of FIG. 1 includes a power source terminal 201, a power conversion module 202, a USB port 203, a switching circuit 204, and a control unit 205. The power source terminal 201 is configured to output the first current AC1. The USB port 203 is electrically connected to the electronic device 30 and used to transmit the electronic device 30. Fast charging signal CS. The power conversion module 202 is coupled between the power source terminal 201 and the USB port 203 to receive the first current AC1. When the power conversion module 202 detects the fast charge signal CS, the first current AC1 is converted into a second current AC2 higher than the first current AC1, and the second current AC2 is output to the electronic device 30 via the USB port 203; In contrast, when the power conversion module 202 does not detect the fast charge signal CS, the first current AC1 is output to the electronic device 30 via the USB port 203. In this embodiment, the electronic device 30 can be a smart phone, a tablet computer, a personal digital assistant (PDA), or other portable electronic device. The present embodiment does not limit the implementation of the electronic device 30. .

Furthermore, the power conversion module 202 includes a detecting unit 2022 and a current adjusting unit 2021. The detecting unit 2022 is electrically connected to the USB port 203 and configured to detect the fast charging signal CS sent by the electronic device 30. The current adjustment unit 2021 is electrically connected between the power source terminal 201, the USB port 203, and the detecting unit 2022. When the detecting unit 2022 detects the fast charging signal CS, the control current adjusting unit 2021 converts the first current AC1 into a second current AC2 higher than the first current AC1, and outputs the second current AC2 via the USB port 203 to The electronic device 30; otherwise, when the detecting unit 2022 does not detect the fast charging signal CS, the control current adjusting unit 2021 outputs the first current AC1 to the electronic device 30 via the USB port 203. It should be noted that the value of the second current AC2 is higher than the value of the first current AC1, so that the detecting unit 2022 can detect that the electronic device 30 has a fast charging function (ie, detecting the fast charging signal CS). The second current AC2, which is higher than the first current AC1, rapidly charges the electronic device 30. In the present embodiment, the power source terminal 201 may be a power supply, a rechargeable battery device, etc., and the present embodiment does not limit the implementation of the power source terminal 201.

Next, the USB port 203 can be a USB 1.0 specification, a USB 2.0 specification, a USB 3.0 specification, or a USB 3.1 specification, and the present embodiment does not limit the implementation of the USB port 203. The USB port 203 of this embodiment may include four pins, which are pin 1, pin 2, pin 3, and pin 4 (not shown in the drawing). Pin 1 is the power supply Vcc pin, pin 2 is the Data-pin, pin 3 is the Data+ pin, pin 4 is the ground pin; pin 1 and pin 4 are used to supply power; pin 2 and Pin 3 is used to transmit signal data and is transmitted in twisted pair. Each uses half-duplex differential signals and works together.

For example, the first current AC1 proposed by the present embodiment may be 400 mA to 600 mA, and the second current AC2 may be 800 mA to 2000 mA. When the electronic device 30 is connected to the KVM switching device 20, the detecting unit 2022 in the power conversion module 202 detects whether the electronic device 20 has issued a fast charging signal CS. When the detecting unit 2022 detects the fast charging signal CS, the detecting unit 2022 controls the current adjusting unit 2021 to adjust the first current AC1 to the second current AC2. In this embodiment, the power source terminal 201 is provided. The current value is adjusted from 2 mA to 2A, and is output to the electronic device 30 via the USB port 203 to quickly charge the electronic device 30. Otherwise, if the detecting unit 2022 does not detect the fast charging signal CS of the electronic device 30. Then, the current adjustment unit 2021 directly outputs the 500 mA provided by the power source terminal 201 to the electronic device 30 via the USB port 203 to perform general speed charging on the electronic device 30. The numerical range of the first current AC1 and the second current AC2 can be adjusted according to actual conditions, and the present invention does not limit this.

The switching circuit 204 is coupled between the input and output device 10, the control unit 205, and the plurality of hosts 401, 402. When the switching circuit 204 in the KVM switching device 20 receives a control signal (not shown) that controls one of the hosts 401, 402, the switching circuit 204 will connect the corresponding host according to the control signal (eg, The host 401) is coupled to the input/output device 10. In the present embodiment, the control signal is generated by the control unit 205 and the control signal is transmitted to the switching circuit 204 in a wired or wireless manner. The control unit 205 can be a control button or a wireless remote controller, which is not limited in this creation. In other words, the switching circuit 204 controls the connection between the plurality of hosts 401, 402 and the input/output device 10 according to the control signal to perform signal transmission between the corresponding host (such as the host 401) and the input/output device 10. And The input/output device 10 can be a mouse, a keyboard, a display or a game controller, etc., and the present invention does not limit this.

In this way, the multi-computer switching device proposed in the present embodiment can effectively achieve fast charging of the electronic device, and if the electronic device supports the fast charging function, it is converted into a large current (such as the second current AC2 in FIG. 1). It is quickly charged. If the electronic device does not support the fast charge function, it will be charged at a normal speed with a normal current (such as the first current AC1 of FIG. 1). In addition, the multi-computer switching device proposed in the present embodiment can switch the connection between the plurality of hosts and the input/output device to improve the convenience of signal transmission and multiple host switching.

[Another embodiment of a multi-computer switching device having a fast charging function]

Please refer to FIG. 2. FIG. 2 is a block diagram of a multi-computer switching device according to another embodiment of the present invention. As shown in FIG. 2, unlike the above-described embodiment of FIG. 1, the KVM switching device 20 is coupled to the external power device 60 and wirelessly connected to a remote controller 50. The power source end 201 is coupled to the external power device 40 for transmitting the first current AC1 provided by the external power device 60 to the power conversion module 202. The USB port 203 is electrically connected to the electronic device 30 and configured to transmit the fast charge signal CS generated by the electronic device 30. The power conversion module 202 is coupled between the power source terminal 201 and the USB port 203, and receives the first current AC1. When the power conversion module 202 detects the fast charge signal CS, the first current AC1 is converted into the second current AC2, and the second current AC2 is output to the electronic device 30 via the USB port 203; otherwise, when the power conversion module When the fast charging signal CS is not detected, the first current AC1 is output to the electronic device 30 via the USB port 203. In practice, the electronic device 30 can be a smart phone, a tablet computer, a personal digital assistant (PDA), or other portable electronic device. The present embodiment does not limit the implementation of the electronic device 30.

The details regarding the power conversion module 202 have been described in detail in the above-described embodiment of FIG. 1, and will not be described herein. In this embodiment, the power source end 201 may be an internal power supply, a rechargeable battery device, etc., and the present embodiment does not limit the power supply. Implementation of source 201. Further details regarding the USB port 203, the first current AC1 and the second current AC2 have been described in detail in the above-described embodiment of FIG. 1, and are not described herein again.

In addition, in this embodiment, the remote controller 50 is wirelessly connected to the control unit 205 for wirelessly outputting a control signal to the control unit 205 according to an operation instruction of the user, and the control unit 205 transmits the received control signal to the switching circuit. 204. The switching circuit 204 connects the corresponding host (such as the host 401) to the input/output device 10 according to the control signal.

Next, please refer to FIG. 3, which is a schematic diagram of a multi-computer switching device according to an embodiment of the present invention. For convenience of explanation, the following electronic device will be described with the mobile phone 330, and the external power device will be described with the commercial power supply 360. The input/output device 310 of this embodiment includes a mouse 311, a keyboard 312, and a screen 313. For example, the KVM switching device 320 is coupled between the host 3401, the host 3402, the mouse 311, the keyboard 312, and the screen 313, and is electrically connected to a mains power supply 360 to receive power from the mains power supply 360. The user needs to connect the charging port of the mobile phone 330 to the KVM switching device 320 to perform charging. When the user connects the mobile phone 330 to the multi-computer switching device 320 and wants to charge the mobile phone 330 at the same time, the multi-computer device 320 first detects whether the mobile phone 330 sends a fast charging signal that the mobile phone 330 can support the fast charging function (see Figure 1-2). Fast charging number CS). When the multi-computer device 320 receives the fast charging signal sent by the mobile phone 330 (that is, the mobile phone 330 can support the fast charging function), the multi-computer device 320 will boost the power of the commercial power supply 360 and boost the power of the commercial power supply 360. The device is transferred to the mobile phone 330 to quickly charge the mobile phone 330. In contrast, when the multi-computer switching device 320 does not detect the fast charging signal, the power of the commercial power supply 360 is directly transmitted to the mobile phone 330 to the mobile phone 330. Perform a general charging procedure.

Further, the KVM switching device 320 can further select one of the corresponding host 3401 or the host 3402 to connect with the mouse 311, the keyboard 312 and the screen 313 for signal transmission, and can switch instantly. Host 3401 Or the host 3402 is coupled to the input/output device 310.

As can be seen from the above, the multi-computer switching device proposed in the present embodiment can effectively achieve fast charging of the electronic device. If the electronic device has a fast charging function, the multi-computer switching device converts it into a larger current to charge it. If the electronic device does not have a fast charging function, the multi-computer switching device charges it with a normal current. In addition, the multi-computer switching device proposed in the present embodiment can switch the connection between the input/output device and the plurality of host devices, and achieve high economic efficiency of multiple hosts and a set of input and output devices to enhance signal transmission and The convenience of switching multiple hosts.

In summary, this creation has already met the requirements of the new patent and applied in accordance with the law. However, the above disclosures are only preferred embodiments of the present invention, and the scope of rights of the present invention cannot be limited thereto. Therefore, the equal changes or modifications made according to the scope of the application of the present application are still covered by the present application.

10‧‧‧Input and output devices

20‧‧‧Multicomputer switching device

201‧‧‧Power source

202‧‧‧Power Conversion Module

2021‧‧‧ Current adjustment unit

2022‧‧‧Detection unit

203‧‧‧USB port埠

204‧‧‧Switching circuit

205‧‧‧Control unit

30‧‧‧Electronic devices

401, 402‧‧‧ host

AC1‧‧‧First current

AC2‧‧‧second current

CS‧‧‧ fast charging signal

Claims (5)

A multi-computer switching device with a fast charging function, coupled to an input/output device, a plurality of mainframes, and an electronic device, wherein the input/output device connects and controls one of the hosts through the multi-computer switching device, and the multi-computer The switching device includes: a power source end for outputting a first current; a USB (Universal Serial Bus) port, electrically connecting the electronic device, and configured to transmit a fast charging signal generated by the electronic device; And a power conversion module, coupled between the power source and the USB port, and receiving the first current, the power conversion module includes: a detecting unit electrically connected to the USB port, and The device is configured to detect whether the fast charging signal is received, and a current adjusting unit electrically connected to the power source end, the USB port and the detecting unit; wherein, when the detecting unit detects The fast charging signal controls the current adjusting unit to convert the first current into a second current, and outputs the second current to the electronic device through the USB port, and the second current The first current is higher than the first current. When the detecting unit does not detect the fast charging signal, the current adjusting unit controls the current adjusting unit to output the first current to the electronic device through the USB port. The multi-computer switching device of claim 1, further comprising a switching circuit coupled between the input and output device and the plurality of hosts, and receiving a control signal representative of one of the hosts, And connecting the corresponding host to the input/output device according to the control signal, so as to perform signal transmission between the corresponding host and the input/output device. The multi-computer switching device of claim 2, wherein the control signal is transparent A switching unit is transmitted to the switching circuit in a wired or wireless manner. The multi-computer switching device of claim 1, wherein the power source end is a power supply that generates the first current, or the power source end is electrically connected to an external power device that generates the first current . The multi-computer switching device according to claim 1, wherein the USB port is a USB 1.0 specification, a USB 2.0 specification, a USB 3.0 specification, or a USB 3.1 specification.