CN212112475U

CN212112475U - USB one-way data communication isolator

Info

Publication number: CN212112475U
Application number: CN202021261458.XU
Authority: CN
Inventors: 王阳; 刘敏杰
Original assignee: Shaanxi Kaistar Electronic Technology Co ltd
Current assignee: Shaanxi Kaistar Electronic Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2020-12-08
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to the technical field of communication, especially, be a USB one-way data communication isolator, including input USB plug and input data line, input USB plug right-hand member and input data line fixed connection, input data line right-hand member fixed connection has 4 core aviation plug interfaces, 4 core aviation plug interface right-hand members fixed connection has USB communication isolator, USB communication isolator right-hand member fixed connection has 5 core aviation plug interfaces, 5 core aviation plug interface right-hand members fixed connection has the output data line, output data line right-hand member fixed connection has output USB plug; the utility model discloses in, through USB communication isolator, input signal indicator, output signal indicator, input power indicator and the output power indicator that sets up, can realize the unidirectional transmission of data, can detect data transmission and power simultaneously constantly and whether normally work to guarantee data transmission's stability.

Description

USB one-way data communication isolator

Technical Field

The utility model relates to the field of communication technology, specifically a USB one-way data communication isolator.

Background

USB is an acronym for Universal Serial Bus (USB), and a personal computer can communicate with an external device through a connection cable by using USB, but because of safety factor consideration or in a specific use environment, in some applications, USB communication needs to be isolated or a ground loop needs to be isolated, so that unidirectional data transmission is realized, so as to ensure that data of the device cannot leak, and the safety of the data is protected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a USB one-way data communication isolator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a USB one-way data communication isolator, includes input USB plug and input data line, input USB plug right-hand member and input data line fixed connection, 4 core aviation plug interfaces of input data line right-hand member fixedly connected with, 4 core aviation plug interface right-hand member fixedly connected with USB communication isolator, 5 core aviation plug interfaces of USB communication isolator right-hand member fixedly connected with, 5 core aviation plug interface right-hand member fixedly connected with output data line, output data line right-hand member fixedly connected with output USB plug.

Preferably, an input end signal indicator lamp and an output end signal indicator lamp are symmetrically arranged on the upper side of the front end of the USB communication isolator, and an input end power indicator lamp and an output end power indicator lamp are symmetrically arranged on the lower side of the front end of the USB communication isolator.

Preferably, the USB communication isolator comprises a shell and a USB-to-UART module, the left side of the inside of the shell is fixedly connected with the USB-to-UART module, and the left end of the USB-to-UART module is fixedly connected with a 4-core aviation plug interface through a wire.

Preferably, the right end of the USB-to-UART module is fixedly connected with a high-speed photoelectric coupling module through a wire, and the rear end of the high-speed photoelectric coupling module is fixedly connected with the shell.

Preferably, the right end of the high-speed photoelectric coupling module is fixedly connected with a UART-to-USB module through a wire, the rear end of the UART-to-USB module is fixedly connected with the shell, and the right end of the UART-to-USB module is fixedly connected with a 5-core aviation plug interface through a wire.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the USB communication isolator who sets up, insert the input USB plug in the input device, the data is transmitted to USB commentaries on classics UART module through core aviation plug interface by the input data line, USB commentaries on classics UART module changes the USB interface into the TTL level and carries for high-speed photoelectric coupling module, USB commentaries on classics UART module's TXD passes through high-speed photoelectric coupling module with data transmission to the RXD of UART commentaries on classics USB module, USB commentaries on classics UART module's RXD and UART commentaries on classics USB module's TXD is unsettled, the UART commentaries on classics USB module converts the TTL level into the USB interface again, carry another equipment through output data line and output USB;

2. the utility model discloses in, through input signal indicator, output signal indicator, input power indicator and the output power indicator that sets up, can detect data transmission and whether the power normally works constantly to guarantee data transmission's stability.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the USB communication isolator of the present invention;

fig. 3 is a schematic view of the working principle of the USB communication isolator of the present invention.

In the figure: the system comprises a 1-input end USB plug, a 2-input end data line, a 3-4-core aviation plug interface, a 4-USB communication isolator, a 401-shell, a 402-USB-to-UART module, a 403-high-speed photoelectric coupling module, a 404-UART-to-USB module, a 5-core aviation plug interface, a 6-output end data line, a 7-output end USB plug, an 8-input end signal indicator lamp, a 9-output end signal indicator lamp, a 10-input end power indicator lamp and an 11-output end power indicator lamp.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a USB one-way data communication isolator, including input USB plug 1 and

input data line

2, 1 right-hand member of input USB plug and 2 fixed connection of input data line, 2 right-hand member fixedly connected with 4 core aviation plug interfaces 3 of input data line, 3 right-hand member fixedly connected with USB communication isolator 4 of 4 core aviation plug interfaces, 4 right-hand member fixedly connected with 5 core aviation plug interfaces 5 of USB communication isolator, 5 core aviation plug interfaces 5 right-hand member fixedly connected with

output data line

6, 6 right-hand member fixedly connected with output USB plugs 7 of output data line.

An input end signal indicator lamp 8 and an output end signal indicator lamp 9 are symmetrically arranged on the upper side of the front end of the USB communication isolator 4, an input end power indicator lamp 10 and an output end power indicator lamp 11 are symmetrically arranged on the lower side of the front end of the USB communication isolator 4, the arrangement can detect whether data transmission and power supply work normally or not at any time, the USB communication isolator 4 comprises a shell 401 and a USB-to-UART module 402, the left side inside the shell 401 is fixedly connected with the USB-to-UART module 402, the left end of the USB-to-UART module 402 is fixedly connected with a 4-core aviation plug interface 3 through a lead, the right end of the USB-to-UART module 402 is fixedly connected with a high-speed photoelectric coupling module 403 through a lead, the rear end of the high-speed photoelectric coupling module 403 is fixedly connected with the shell 401, the right end of the high-speed photoelectric coupling module 403 is fixedly connected with a UART-to USB module 404 through a lead, the, the USB plug 1 at the input end is inserted into an input device, data is transmitted to the USB-to-UART module 402 through the 4-core aviation plug interface 3 by the data line 2 at the input end, the USB-to-UART module 402 converts the USB interface into TTL level and transmits the TTL level to the high-speed photoelectric coupling module 403, the TXD of the USB-to-UART module 402 transmits the data to the RXD of the UART-to-USB module 404 through the high-speed photoelectric coupling module 403, the RXD of the USB-to-UART module 402 and the TXD of the UART-to-USB module 404 are suspended, the TTL level is converted into the USB interface by the UART-to-USB module 404 and then transmitted to another device through the data line 6 at.

The working process is as follows: the USB plug 1 at the input end is inserted into an input device, data is transmitted to the USB-to-UART module 402 through the 4-core aviation plug interface 3 by the data line 2 at the input end, the USB-to-UART module 402 converts the USB interface into TTL level and transmits the TTL level to the high-speed photoelectric coupling module 403, the TXD of the USB-to-UART module 402 transmits the data to the RXD of the UART-to-USB module 404 through the high-speed photoelectric coupling module 403, the RXD of the USB-to-UART module 402 and the TXD of the UART-to-USB module 404 are suspended, the TTL level is converted into the USB interface by the UART-to-USB module 404 and then transmitted to another device through the data line 6 at.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a USB one-way data communication isolator, includes input USB plug (1) and input data line (2), its characterized in that: input USB plug (1) right-hand member and input data line (2) fixed connection, input data line (2) right-hand member fixedly connected with 4 core aviation plug interfaces (3), 4 core aviation plug interfaces (3) right-hand member fixedly connected with USB communication isolator (4), USB communication isolator (4) right-hand member fixedly connected with 5 core aviation plug interfaces (5), 5 core aviation plug interfaces (5) right-hand member fixedly connected with output data line (6), output data line (6) right-hand member fixedly connected with output USB plug (7).

2. The isolator according to claim 1, wherein: input end signal indicator (8) and output end signal indicator (9) have been seted up to USB communication isolator (4) front end top symmetry, input power indicator (10) and output power indicator (11) have been seted up to USB communication isolator (4) front end downside symmetry.

3. The isolator according to claim 1, wherein: USB communication isolator (4) are including casing (401) and USB commentaries on classics UART module (402), casing (401) inside left side fixedly connected with USB commentaries on classics UART module (402), USB commentaries on classics UART module (402) left end passes through wire and 4 core aviation plug interface (3) fixed connection.

4. A USB unidirectional data communication isolator according to claim 3 wherein: the USB-to-UART module (402) is characterized in that the right end of the USB-to-UART module (402) is fixedly connected with a high-speed photoelectric coupling module (403) through a wire, and the rear end of the high-speed photoelectric coupling module (403) is fixedly connected with a shell (401).

5. The isolator according to claim 4, wherein: the high-speed photoelectric coupling module (403) right-hand member passes through wire fixedly connected with UART commentaries on classics USB module (404), UART commentaries on classics USB module (404) rear end and casing (401) fixed connection, UART commentaries on classics USB module (404) right-hand member passes through wire and 5 core aviation plug interface (5) fixed connection.