CN206149268U - A wireless data transmission device for connecting mobile devices - Google Patents

Abstract

The utility model relates to a wireless data transmission device for connecting mobile equipment, which belongs to the communication field. The utility model includes a host end and a mobile device end. The host end includes a first processor unit 4 and a first USB interface 1, a USB to serial port module 2, and a first wireless module 3 respectively connected to the first processor unit 4. The device end includes a second USB interface 8, a second processor unit 6, a second wireless module 5, and a power module 7. The host computer is connected to the host end through the first USB interface 1, and transmits commands to the mobile device end through wireless transmission. The mobile device side receives data through wireless, takes out the data on the mobile device through the second processing unit 6, and transmits the data to the upper computer through wireless transmission. The utility model can solve the wireless connection between the mobile phone and the mobile device, and between the computer and the mobile device, and has a wide application range.

Description

A wireless data transmission device for connecting mobile devices

technical field

The utility model relates to a wireless data transmission device for connecting mobile equipment, which belongs to the communication field.

Background technique

Nowadays, wireless technology has been widely used, such as wireless network, and wireless technology can greatly improve the portability and mobility of devices. In real life, the transmission data between the U disk and the computer, the hard disk and the computer, the mobile phone and the computer, the digital camera and the computer generally need to be connected by a special data cable. This connection is not only limited to the mobile device must be around the host computer, but also Too many times of plugging and unplugging the data cable interface will make the interface loose and make the device unusable.

Nowadays, many application software can be used to realize the wireless connection between the mobile phone and the computer, such as 360, but the installation of the driver occupies the memory of the mobile phone, the operation is complicated, and it can only realize the wireless connection of the computer to the mobile phone, and cannot realize any mobile phone. The device is connected to any host.

Contents of the invention

The technical problem to be solved by the utility model is to provide a wireless data transmission device for connecting mobile devices. Through the wireless transmission of data, the mobile device can be moved arbitrarily within a certain range, and the problem of distance constraints due to data lines is solved. , At the same time, it can be connected to the mobile device for a long time through a mobile device end, which avoids the loosening of the interface caused by the frequent plugging and unplugging of the data cable.

The technical solution adopted by the present invention is: a wireless data transmission device for connecting mobile devices, including a host end and a mobile device end, the host end includes a first processor unit 4 and a second processor unit connected to the first processor unit 4 A USB interface 1, a USB to serial port module 2, a first wireless module 3, the mobile device end includes a second USB interface 8, a second processor unit 6, a second wireless module 5, and a power supply module 7,

One end of the first USB interface 1 is connected to the host computer, the other end is connected to one end of the USB-to-serial port module 2, the other end of the USB-to-serial port module 2 is connected to the first wireless module 3, and the second wireless module 5 is bidirectional to the first wireless module For wireless communication, the second wireless module 5 is connected to the second processing unit 6, the other end of the second processing unit 6 is connected to the second USB interface 8, and the power module 7 is respectively the second USB interface 8, the second processor unit 6, the second The second wireless module 5 supplies power.

The first USB interface 1 includes a first common USB interface 9 and a first miniUSB interface 10 .

The second USB interface 8 includes a second common USB interface 11 , a second miniUSB interface 12 , a U disk interface 13 , and a mobile hard disk interface 14 .

The USB-to-serial port module 2 adopts a PL2303 chip.

The first wireless module 3 and the second wireless module 5 are bluetooth modules.

The chip adopted by the Bluetooth module is RDA5850.

The chips used in the first processor unit 4 and the second processor unit 6 are STC12C5A60S2.

The working principle of the utility model is: the upper computer is connected with the USB serial conversion module 2 through the first USB interface 1, and carries out two-way data transmission with the upper computer through the serial port, and the USB serial conversion module 2 is connected with the first processor unit 4, and the second A processor unit 4 is used to control the USB-to-serial port module 2 and the first wireless module 3 to receive and send data, the information that needs to be transmitted to the mobile terminal is sent through the first wireless module 3, and the second wireless module 5 will receive the first wireless module The information sent by the module 3 is transmitted to the second processor unit 6, and the second processor unit 6 analyzes it, reads the corresponding information moved to the device through the second USB interface 8, and passes the second processor unit 6 The first wireless module 3 transmits the received information to the upper computer through the USB-to-serial port module 2 and the first USB interface 1 in turn.

The beneficial effects of the utility model are: 1) Through the wireless transmission of data, the mobile device can be moved arbitrarily within a certain range, which solves the problem of distance restriction due to the data line; Moved to the device, avoiding the loosening of the interface caused by frequent plugging and unplugging of data cables.

Description of drawings

Fig. 1 is a system structure diagram of the present utility model;

Fig. 2 is the circuit diagram of USB to serial port module 2 in the utility model;

Fig. 3 is the wireless module circuit diagram in the wireless transmission equipment of the utility model implementation;

Fig. 4 is the general circuit diagram of host end in the utility model;

Fig. 5 is the overall circuit diagram of the mobile device end in the utility model;

Fig. 6 is a structural diagram of the host terminal in the utility model;

Fig. 7 is a structural diagram of the mobile device in the present invention.

The labels in the figure are: 1-first USB interface, 2-USB to serial port module, 3-first wireless module, 4-first processor unit, 5-second wireless module, 6-second processor unit, 7-Power module, 8-Second USB interface, 9-First normal USB interface, 10-First miniUSB interface, 11-Second normal USB interface, 12-Second miniUSB interface, 13-U disk interface, 14- Mobile hard disk interface.

detailed description

Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.

Embodiment 1: As shown in Figures 1-7, a wireless data transmission device for connecting a mobile device includes a host end and a mobile device end, the host end includes a first processor unit 4 and the first processor unit 4 respectively 4 connected first USB interface 1, USB to serial port module 2, first wireless module 3, the mobile device end includes a second USB interface 8, a second processor unit 6, a second wireless module 5, and a power supply module 7,

One end of the first USB interface 1 is connected to the host computer, the other end is connected to one end of the USB-to-serial port module 2, the other end of the USB-to-serial port module 2 is connected to the first wireless module 3, and the second wireless module 5 is bidirectional to the first wireless module For wireless communication, the second wireless module 5 is connected to the second processing unit 6, the other end of the second processing unit 6 is connected to the second USB interface 8, and the power module 7 is respectively the second USB interface 8, the second processor unit 6, the second The second wireless module 5 supplies power.

The upper computer is connected to the host terminal through the first USB interface 1, and transmits the command to the mobile device terminal through wireless transmission, and the mobile device terminal receives the data through wireless, and takes out the data on the mobile device through the second processing unit 6, and transmits the command to the mobile device terminal through wireless transmission. PC. The upper computer mentioned in the utility model refers to the host that needs to obtain information on the mobile terminal.

Further, the first USB interface 1 includes a first common USB interface 9 and a first miniUSB interface 10 . Through two different types of USB interfaces, the device of the present invention is not only suitable for the connection between the computer and the mobile device, but also suitable for the connection between the mobile phone and the mobile device.

Further, the second USB interface 8 includes a second common USB interface 11 , a second miniUSB interface 12 , a U disk interface 13 , and a mobile hard disk interface 14 . Through four different types of USB interfaces, the device of this utility model is not only suitable for the connection between the upper computer and the U disk, but also for the connection between the upper computer and the mobile hard disk, and is suitable for the connection between the upper computer and mobile devices such as mobile phones and cameras. connect.

As shown in Figure 6 and Figure 7, the first common USB interface 9 and the first miniUSB interface 10 connected to the host computer are respectively located on the surface of the host device, and the first wireless transmitting module 3 and the USB-to-serial module 2 are respectively located on the host computer. inside the end device. The second common USB interface 11, the second miniUSB interface 12, the U disk interface 13, and the mobile hard disk interface 14 are respectively located on the surface moved to the device end, and the second processor unit 6 and the second wireless module 5 are located on the inside of the mobile device end.

Further, the USB-to-serial port module 2 uses a PL2303 chip, and FIG. 2 shows a schematic circuit diagram of the USB-to-serial port module 2 . Among them, U3 is the PL2303 chip, which completes the USB to serial port function. When the first USB interface 1 is connected to the host computer, the device can be identified after the driver is installed. The transmission method is emitted.

Further, the first wireless module 3 and the second wireless module 5 are bluetooth modules. Through the connection of the Bluetooth module, the mobile device can be moved arbitrarily within the range of 15m, which solves the problem of distance restriction due to the data line.

Further, the chip used in the bluetooth module is RDA5850, and Fig. 3 and Fig. 4 are schematic diagrams of the circuit of the bluetooth wireless transmission module respectively. Taking Fig. 3 as an example, U3 in Fig. 3 is the RDA5850 chip. When there is data, the RDA5850 chip Send or receive data. Similarly, Fig. 4 is also performed according to the above principle.

Further, the chips used in the first processor unit 4 and the second processor unit 6 are STC12C5A60S2. As shown in Figure 5, P3.0 and P3.1 are two data lines of the serial port, which realize the data exchange between the single-chip microcomputer STC12C5A60S2 and the Bluetooth module.

The specific implementation of the utility model has been described in detail above in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned implementation. Various changes are made.

Claims (7)

1. A wireless data transmission device for connecting mobile devices, characterized in that it includes a host end and a mobile device end, the host end includes a first processor unit (4) and is connected to the first processor unit (4) respectively The first USB interface (1), USB to serial port module (2), the first wireless module (3), the mobile device end includes the second USB interface (8), the second processor unit (6), the second wireless module (5), power supply module (7), one end of the first USB interface (1) is connected to the host computer, the other end is connected to one end of the USB-to-serial port module (2), and the other end of the USB-to-serial port module (2) is connected to the first The wireless modules (3) are connected, the second wireless module (5) communicates bidirectionally with the first wireless module, the second wireless module (5) is connected with the second processor unit (6), and the second processor unit (6) One end is connected to the second USB interface (8), and the power supply module (7) supplies power to the second USB interface (8), the second processor unit (6) and the second wireless module (5) respectively. 2. The wireless data transmission device for connecting mobile devices according to claim 1, characterized in that: the first USB interface (1) includes a first common USB interface (9) and a first miniUSB interface (10 ). 3. The wireless data transmission device for connecting mobile devices according to claim 1, characterized in that: the second USB interface (8) includes a second normal USB interface (11), a second miniUSB interface (12 ), U disk interface (13), mobile hard disk interface (14). 4. The wireless data transmission device for connecting mobile devices according to any one of claims 1-3, characterized in that: the USB-to-serial port module (2) adopts a PL2303 chip. 5. The wireless data transmission device for connecting mobile devices according to any one of claims 1-3, characterized in that: the first wireless module (3) and the second wireless module (5) are Bluetooth modules . 6. The wireless data transmission device for connecting mobile devices according to claim 5, characterized in that: the chip used in the Bluetooth module is RDA5850. 7. The wireless data transmission device for connecting mobile devices according to any one of claims 1-3, characterized in that: the first processor unit (4) and the second processor unit (6) adopt The chip is STC12C5A60S2.