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Detection method of alternating current sampling board based on SPI communication

A technology of AC sampling and detection methods, which is applied in the direction of measuring devices, measuring electrical variables, data exchange networks, etc., can solve problems such as potential safety hazards, high error rates, and low efficiency, so as to improve detection speed, reduce safety factors, and reduce detection. The effect of the error rate

Pending Publication Date: 2021-11-26
NINGBO JIANAN ELECTRONICS
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Problems solved by technology

Not only is the efficiency low, but the error rate is high, and there are certain security risks

Method used

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  • Detection method of alternating current sampling board based on SPI communication

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Embodiment Construction

[0016] The invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0017] A method for testing an AC sampling board based on SPI communication, including a detection circuit board and a host computer, figure 1 As shown, the detection circuit board includes ADC detection module, SPI communication module, IO port control module, remote signal control module, serial port USART module and other functions. The detection circuit board communicates with the AC sampling board through the SPI communication module, and the host computer communicates with the serial port USART module. Communicates with the detection circuit board. The upper computer self-defined protocol sends a detection command to the circuit board, and after receiving the detection command, the detection circuit board performs item detection on the AC sampling board. The detection items are as follows:

[0018] (1) Power supply control detection, ...

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Abstract

The invention discloses a detection method of an alternating current sampling board based on SPI communication. The method comprises the following steps: a detection circuit board communicates with an upper computer through a serial port USART, the detection circuit board communicates with the alternating current sampling board through the SPI, the upper computer sends a detection command to the circuit board through a USART custom protocol, and the detection circuit board performs item detection on the alternating current sampling board after receiving the detection command. Data interaction with the upper computer and the AC sampling board is realized through the detection circuit board, rapid detection is realized, artificial participation links are reduced as much as possible, the detection speed is improved, the detection error rate is reduced, and the safety factor in detection is reduced.

Description

technical field [0001] The invention relates to a detection method of an electric energy meter. Background technique [0002] The intelligent fusion terminal in the station area has functions such as AC sampling, remote signaling, intelligent transformer monitoring, fault location topology analysis, and customized APP. The intelligent fusion terminal in the station area adopts a modular design. It is the basic component of the intelligent fusion terminal, so it is necessary to detect the AC sampling board in the intelligent terminal. The shipment volume of intelligent fusion terminals in the station area is large, so there are many AC sampling board components that need to be tested, so it is necessary to quickly, efficiently and safely test the AC sampling board. [0003] The existing general technical method adopts manual detection for the test of the AC sampling board, and manually detects the voltage of several key points on the AC sampling board, and at the same time n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R35/00G01R19/25H04L12/26H04Q9/00
CPCG01R35/00G01R19/25H04Q9/00H04L43/08
Inventor 蒋卫平郭巨锋章恩友盛旭朝马益平徐新正陈亮黄从海刘成坚许杨张为张青徐杰
Owner NINGBO JIANAN ELECTRONICS
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