CN201725328U - General wireless USB upgrading system - Google Patents

Abstract

The utility model discloses a general wireless USB upgrading system, which is characterized in that the general wireless USB upgrading system comprises an equipment end component and a PC end component. The equipment end component comprises a USB interface, a second RF wireless module and a second MCU microprocessor module, the PC end component comprises a USB interface, a second RF wireless module and a second MCU microprocessor module. Compared with the prior art, the general wireless USB upgrading system has the advantages that because a wireless signal connecting system is connected with wire USB equipment and a PC main machine, the upgrade cost is low, the performance is reliable, and the general wireless USB upgrading system is suitable for most of wire USB equipment, thereby being easy to popularize. The general wireless USB upgrading system fully uses original wire USB equipment, thereby preventing from waste of electronic components and environment pollution.

Description

Universal Wireless USB Upgrade System

technical field

The utility model relates to a wireless connection upgrade system for wired USB devices, in particular to a general wireless USB upgrade system for wireless connection between wired USB devices and PC hosts.

Background technique

With the continuous advancement of science and technology, PCs have been widely used in all aspects of people's work and life. Only in my country, the number of PCs (including notebook computers, servers, and workstations, etc.) has exceeded 100 million, and the relationship between a large number of devices and PC hosts All connections are via wired USB.

However, with the increasing number of devices that need to be connected to the host PC, the shortcomings of the wired USB connection method appear. Due to the length limitation of the USB cable, various devices can only be placed near the host PC, which is difficult to meet actual needs, and a large number of The USB cables are also easy to get tangled together and difficult to organize. Therefore, many devices begin to connect with the PC host using a wireless USB connection.

However, in the market, in order to realize the function of wireless data transmission, a new wireless keyboard, mouse, storage or control device, or other dedicated wireless USB device must be purchased, while a large number of existing wired devices (such as some high-end wired USB connection methods) Speakers, earphones, precision wired keyboards, mice, etc.) will be eliminated, while mobile hard drives, U disks, etc., will be more difficult to achieve wireless connections with computer hosts.

Users want to realize the function of wireless data transmission, because wireless USB adopts various special protocols, such as wireless USB protocol, etc., these devices need to pay high patent fees, so whether it is to buy a variety of new wireless devices with a single function , or to carry out complex circuit transformation, the required cost is very high, and it is difficult to promote; and if the original equipment using the wired USB connection method can only be eliminated, it will cause very serious waste, and the discarded electronic components will also cause serious waste. severe damage to the environment.

Contents of the invention

The purpose of this utility model is to improve the existing technology and provide a general wireless USB upgrade system, which can allow wireless connection between wired USB devices and PC hosts. The technical scheme adopted is as follows:

The universal wireless USB upgrade system of the present utility model is characterized in that: it includes a device end component and a PC end component;

The device end assembly includes a USB extension interface, a first RF wireless module, and a first MCU microprocessor module:

The USB extension interface is used to send the general USB wired data of the wired USB device to the first MCU microprocessor module, and send the general USB wired data of the first MCU microprocessor module to the wired USB device;

The first RF wireless module is used to transmit wireless signals and receive wireless signals transmitted by PC terminal components;

The first MCU microprocessor module is used to analyze and process the general USB wired data of the wired USB device, convert the general USB wired data of the wired USB device into a wireless signal and send it to the first RF wireless module; The module receives the wireless signal transmitted by the PC-side component for analysis and processing, converts the wireless signal transmitted by the PC-side component into general USB wired data and sends it to the wired USB device through the USB extension interface;

The PC end assembly includes a USB interface, a second RF wireless module, and a second MCU microprocessor module:

The USB interface is used to send the general USB cable data of the PC host to the second MCU microprocessor module, and send the general USB cable data of the second MCU microprocessor module to the PC host;

The second RF wireless module is used to transmit wireless signals and receive wireless signals transmitted by the device end components;

The second MCU microprocessor module is used to analyze and process the general USB wired data of the PC host, convert the general USB wired data of the PC host into wireless signals and send them to the second RF wireless module; Analyze and process the wireless signals emitted by the device-side components, convert the wireless signals emitted by the device-side components into general USB wired data and send them to the PC host through the USB interface.

In order to provide power for devices without self-power supply, the device-end component also includes a battery power supply module, which is used to boost the voltage of the battery to 5V required for USB power supply and then supply power to other modules of the device-side component.

A preferred solution, the first RF wireless module and the second RF wireless module are both 2.4G wireless modules. Adopt 802.11 series of international local area wireless interconnection standard protocols or custom wireless transmission protocols to realize the conversion of USB wired data into wireless signals, with strong scalability.

This solution fully considers the system scalability and cost, and modularizes the interactive modules, so that the system can still maintain cost control and performance reliability during continuous expansion. Since the wireless module adopts the 2.4G wireless band, the data transmission is also optimized in the software and hardware design of the system to ensure that the system can still operate stably in an environment where multiple devices coexist. In the system, you can also choose to adopt the American national AES encryption standard, so that the communication content will not be deciphered.

A more preferred solution, the USB interface of the PC terminal component can be a Nano interface, adopting this extremely small USB interface design, it can be plugged into the USB port of the device such as a notebook all the time, and does not need to be frequently unplugged.

In terms of portability, since the interface parts of the device-side components and PC-side components are USB ports and USB extension ports, they can be connected directly when not in use or when going out, and the battery can be removed, and ordinary AA batteries can be purchased when needed.

This system does not require a special driver, and can realize seamless and transparent access to any USB device, plug and play. On the whole, the system is a set of low-cost, reliable performance, and easy-to-use complete wired USB device upgrade to a general solution for wireless USB device end. As a transparent layer between the portable PC host and the device, it acts as a USB wire role. It utilizes the AD and DA conversion and RF functions of the physical layer, and does not involve the specific functions of USB devices or any USB communication protocols.

The beneficial effect of the utility model compared with the prior art is that, because the wireless signal connection system is used to connect the wired USB device and the PC host, the upgrade cost is low, the performance is reliable, and it is suitable for most wired USB devices, so it is easy to popularize; The original wired USB device avoids the waste of electronic components and the pollution of the environment.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment 1;

Fig. 2 is the use status reference figure of embodiment 1 shown in Fig. 1;

Fig. 3 is a schematic structural view of Embodiment 2 of the utility model.

Detailed ways

Example 1

As shown in Figures 1 and 2, the general wireless USB upgrade system in Embodiment 1 includes a device-side component 1 and a PC-side component 2;

The device end component 1 includes a USB extension interface 101, a first RF wireless module 102, and a first MCU microprocessor module 103:

The USB extension interface 101 is used to send the general USB wired data of the wired USB device 3 to the first MCU microprocessor module 103, and send the general USB wired data of the first MCU microprocessor module 103 to the wired USB device 3;

The first RF wireless module 102 is used to transmit wireless signals and receive wireless signals transmitted by the PC terminal component 2;

The first MCU microprocessor module 103 is used to analyze and process the general USB wired data of the wired USB device 3, convert the general USB wired data of the wired USB device 3 into a wireless signal and send it to the first RF wireless module 102; The wireless signal transmitted by the PC terminal component 2 received by the first RF wireless module 102 is analyzed and processed, and the wireless signal transmitted by the PC terminal component 2 is converted into general USB wired data and sent to the wired USB device 3 through the USB extension interface 101;

Described PC end component 2 comprises USB interface 203, the second RF wireless module 201, the second MCU microprocessor module 202:

The USB interface 203 is used to send the general USB cable data of the PC host 4 to the second MCU microprocessor module 202, and send the general USB cable data of the second MCU microprocessor module 202 to the PC host 4;

The second RF wireless module 201 is used to transmit wireless signals and receive wireless signals transmitted by the device end component 1;

The second MCU microprocessor module 202 is used to analyze and process the general-purpose USB wired data of the PC host 4, and convert the general-purpose USB wired data of the PC host 4 into a wireless signal and send it to the second RF wireless module 201; The RF wireless module 201 analyzes and processes the wireless signal transmitted by the device-side component 1 received by the device-side component 1 , converts the wireless signal transmitted by the device-side component 1 into general USB wired data and sends it to the PC host 4 through the USB interface.

In this embodiment, the device-side component 1 is connected to AC power, and the PC-side component 2 is powered by the USB port of the PC.

As shown in FIG. 2 , in the use state, the USB interface 301 of the wired USB device 3 is inserted into the USB extension interface 101 of the device component 1 , and the USB interface 203 of the PC component 2 is inserted into the second USB interface 401 of the PC host 4 .

As shown in FIG. 1 , when it is necessary to carry a general wireless USB upgrade system, insert the USB interface 203 of the PC-side component 2 into the USB extension interface 101 of the device-side component 1, which is easy to carry and not easy to lose.

Example 2

As shown in Figure 3, the difference between the general wireless USB upgrade system in the present embodiment 1 and the embodiment 1 is:

In order to provide power to devices without self-powered devices, the device-end component 1 also includes a battery power supply module 104, which is used to boost the battery voltage to the 5V required for USB power supply and then supply power to other modules of the device-side component 1 (USB extension interface) 101, the first RF wireless module 102, the first MCU microprocessor module 103) supply power.

Both the first RF wireless module 102 and the second RF wireless module 201 are 2.4G wireless modules. The 802.11 series of international local area wireless interconnection standard protocols are adopted to realize the conversion of USB wired data into wireless signals, with strong scalability.

The PC terminal component 2 is a Nano interface.

Claims (5)

1. A general wireless USB upgrade system, characterized in that: comprising equipment end components and PC end components; The device end assembly includes a USB extension interface, a first RF wireless module, and a first MCU microprocessor module: The USB extension interface is used to send the general USB wired data of the wired USB device to the first MCU microprocessor module, and send the general USB wired data of the first MCU microprocessor module to the wired USB device; The first RF wireless module is used to transmit wireless signals and receive wireless signals transmitted by PC terminal components; The first MCU microprocessor module is used to analyze and process the general USB wired data of the wired USB device, convert the general USB wired data of the wired USB device into a wireless signal and send it to the first RF wireless module; The module receives the wireless signal transmitted by the PC-side component for analysis and processing, converts the wireless signal transmitted by the PC-side component into general USB wired data and sends it to the wired USB device through the USB extension interface; The PC end assembly includes a USB interface, a second RF wireless module, and a second MCU microprocessor module: The USB interface is used to send the general USB cable data of the PC host to the second MCU microprocessor module, and send the general USB cable data of the second MCU microprocessor module to the PC host; The second RF wireless module is used to transmit wireless signals and receive wireless signals transmitted by the device end components; The second MCU microprocessor module is used to analyze and process the general USB wired data of the PC host, convert the general USB wired data of the PC host into wireless signals and send them to the second RF wireless module; Analyze and process the wireless signals emitted by the device-side components, convert the wireless signals emitted by the device-side components into general USB wired data and send them to the PC host through the USB interface. 2. The universal wireless USB upgrade system as claimed in claim 1, wherein the device-end component also includes a battery power supply module, which is used to boost the battery voltage to 5V required for USB power supply and then power other devices on the device-side component. Each module is powered. 3. The universal wireless USB upgrade system according to claim 1 or 2, characterized in that: the first RF wireless module and the second RF wireless module are both 2.4G wireless modules. 4. The universal wireless USB upgrade system according to claim 1 or 2, characterized in that: the USB interface of the PC terminal component is a Nano interface. 5. The universal wireless USB upgrade system according to claim 3, characterized in that: the USB interface of the PC terminal component is a Nano interface.

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