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A method and a system for data transmission between devices with different interface protocols

An interface protocol and data transmission technology, applied in the field of data transmission, can solve the problems of manpower, material resources, high cost, communication type conversion module cannot be programmed by protocol, etc. Effect

Inactive Publication Date: 2019-04-26
GUANG DONG GREENWAY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There are obvious defects in this method. For example, in order to meet customer needs at the beginning of a product design, its communication protocol uses a certain transmission interface, and after passing multiple certifications, its software and hardware are all approved. A customer also needs this product, but the communication protocol required by the customer is another transmission interface, and the data bits on the communication protocol need to be expanded. At this time, the traditional communication type conversion module cannot program the protocol. Changes can only be realized by changing the program of the equipment. Changing the program of a certified product is no different from redesigning the product, which requires re-certification. Product certification is a process that consumes a lot of manpower, material resources, and financial resources. World-class certified products take longer and cost more, increasing the development cycle and cost

Method used

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  • A method and a system for data transmission between devices with different interface protocols
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  • A method and a system for data transmission between devices with different interface protocols

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Embodiment 1

[0096]Taking battery equipment products as an example, when the communication conversion method of the existing technology needs to be changed when the customer data transmission protocol needs to be changed, it is equivalent to the need to redesign the BMS protection board and re-certify the product. Taking EN_13849 certification as an example, its certification has the characteristics of many requirements, long time and high cost. In order to only change the customer data transmission protocol, re-certification may not be worth the gain for the company's interests.

[0097] In the present invention, when the customer agreement needs to be changed, because the external transfer module needs to be changed instead of the BMS protection board itself, the BMS protection board product does not need to be re-authenticated. As long as it passes the first certification, subsequent products can continue use.

Embodiment 2

[0099] In the field of batteries, suppose that the customer’s main device 1 requires the communication protocol type to be CAN, and the communication port of the battery BMS board of the slave device 2 is Uart, so the conversion device 3 from Uart to CAN is designed;

[0100] Design the data transmission protocol identification and processing program according to the requirements, and burn it into the MCU module of the conversion equipment;

[0101] Connect the customer's main device 1 and the battery BMS board of the slave device 2 through the conversion device 3;

[0102] The master device 1 sends a command to read data from the slave device 2 through CAN communication, the conversion device 3 receives the read command, reads and intercepts the data sent by the battery BMS board of the slave device 2 through Uart communication, and integrates the data into the master device 1 The required format is sent to the master device 1 via CAN communication.

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Abstract

The invention discloses a method and a system for data transmission between devices with different interface protocols. The system comprises a master device, a slave device and a conversion device, The master device is connected with the slave device through the conversion device. Conversion device comprising: a conversion unit; Data receiving module, Data transmission protocol identification module, Data transmission protocol processing module, Communication type conversion module, and Data sending module, The data received by the data receiving module identifies the protocol of the interfacethrough the data transmission protocol identification module, the data transmission protocol processing module processes the transmission data, the communication type conversion module converts the data transmission format and sends the data transmission format to the data sending module, and data exchange between the master device and the slave device is achieved. According to the invention, product re-authentication is avoided, the equipment can be connected with various types of equipment interfaces, only a corresponding interface driver needs to be burnt in actual use, and the product development cycle and unnecessary research and development cost can be successfully reduced.

Description

technical field [0001] The present invention relates to the technical field of data control, in particular to a method and system for data transmission between devices with different interface protocols, which are applied to devices with different types of interfaces for data transmission. Background technique [0002] With the development of computer technology and microelectronics technology, data needs to be transmitted in different environments such as synchronous, asynchronous, simplex, and duplex. In order to make the communication protocol types of electronic equipment relatively uniform, Uart, SPI, IIC, Communication protocols such as CAN have been solidified. Due to the different requirements or positioning of the equipment, the communication types between the equipment are often different. In order to solve the problem that the data cannot be transmitted normally due to the different types of communication protocols, the existing technology generally adopts two sol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/38
CPCG06F13/385G06F2213/0002G06F2213/0016G06F2213/3852
Inventor 方伟鹏吴翔龙梁志峰吴齐陈志军李健明
Owner GUANG DONG GREENWAY TECH CO LTD
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