Multifunctional junction box supporting USB (universal serial bus) OTG (On-The-Go) mode

A multi-functional, transfer box technology, applied in the direction of instruments, electrical digital data processing, etc., can solve the problems of inconvenient portability, large display and control volume, etc.

Pending Publication Date: 2016-11-09
江苏星宇芯联电子科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, most Beidou devices on the market use serial communication types such as RS232/RS485/RS422, etc., so the serial port type of th

Method used

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  • Multifunctional junction box supporting USB (universal serial bus) OTG (On-The-Go) mode

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with embodiment, but protection scope of the present invention is not limited to this:

[0024] A multifunctional transition box supporting USB OTG mode, which includes a serial port isolation module, a USB to TTL module, a serial port type conversion module, a power supply protection circuit, a DCDC power supply chip, and a DC output DC voltage module, and the serial port isolation module is on the one hand It is connected with the external display and control equipment, and on the other hand is connected with the serial port of the Beidou host device; the serial port isolation module is also connected to the USB to TTL module through the serial port type conversion module; the USB to TTL module is connected to the external mobile terminal, and the mobile terminal has OTG function: 9-36V power supply voltage is input to the power protection circuit, and the power protection circuit charges the mobile t...

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Abstract

The invention discloses a multifunctional junction box supporting USB (universal serial bus) OTG (On-The-Go) mode. The multifunctional junction box is characterized by comprising a serial port isolation module, a USB-to-TTL (transistor-transistor logic) module, a serial port type conversion module, a power supply protection circuit, a DC (direct current) DC power supply chip, and a DC voltage output module. A smart phone, a PAD and a Beidou device are connected with adoption of the function of USB OTG; a power supply adopts wide-range input voltage design and supports different DC power supply types used by users; protection against surging, overvoltage and reverse connection is adopted for design of the power supply, so that the junction box can operate safely and reliably in the bad power supply environment; IP67 waterproof design is adopted by the structure, and the junction box can operate in the bad environment.

Description

technical field [0001] The invention relates to the field of Beidou equipment, in particular to a multifunctional transition box supporting USB OTG mode. Background technique [0002] With the continuous development of my country's Beidou system, Beidou terminal equipment has gradually been applied to many industries, and is developing towards the trend of portability and miniaturization. At present, most Beidou equipment on the market use independent display and control to control the Beidou host, and display the communication and positioning of Beidou on the display and control interface in real time. At present, most Beidou devices on the market use serial communication types such as RS232 / RS485 / RS422, etc., so the serial port type of the supporting display and control can only be used in the same way, resulting in a large, heavy and inconvenient to carry display and control . [0003] At present, smart phones and PADs have become a must for most users, so it is necessa...

Claims

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Application Information

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IPC IPC(8): G06F13/38G06F13/40
CPCG06F13/387G06F13/4068G06F2213/0042G06F2213/0002
Inventor 申媛媛张瑞许振
Owner 江苏星宇芯联电子科技有限公司
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