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CDC chip-based subway door anti-pinch detection circuit

A technology for detecting circuits and subways, applied in door/window accessories, wing leaf control mechanisms, buildings, etc., can solve problems such as hidden dangers for passengers

Inactive Publication Date: 2020-01-10
TIANJIN EMBEDTEC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current subway system still cannot solve this problem well, which has caused major hidden dangers to passengers

Method used

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  • CDC chip-based subway door anti-pinch detection circuit
  • CDC chip-based subway door anti-pinch detection circuit
  • CDC chip-based subway door anti-pinch detection circuit

Examples

Experimental program
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Embodiment Construction

[0021] The present invention will be further described in detail through the accompanying drawings and specific embodiments below.

[0022] Such as figure 1 , 2 As shown, a subway door anti-pinch detection circuit based on a CDC chip includes a power supply unit, a minimum system unit of a single-chip microcomputer, a CDC detection chip unit, a data communication unit, and a sensor unit.

[0023] The power supply unit is a 5V 1A power adapter produced by Shenzhen Dite Company, the model is 03080, the input voltage range is 100-240V 50 / 60Hz, and the output voltage is 5V 1A.

[0024] The minimum system of the single-chip microcomputer adopts the STC89C52 single-chip microcomputer produced by STC Company. This chip is a kind of low power consumption and high-performance CMOS 8-bit microcontroller produced by STC Company, and has 8K byte system programmable Flash memory. STC89C52 uses the classic MCS-51 core, but has made a lot of improvements to make the chip have functions tha...

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PUM

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Abstract

The invention discloses a CDC chip-based subway door anti-pinch detection circuit. The CDC chip-based subway door anti-pinch detection circuit comprises a power supply unit, a single-chip microcomputer minimum system unit, a CDC detection chip unit, a data communication unit and a sensor unit. The sensor unit, the CDC detection chip unit, the single-chip microcomputer minimum system unit and the data communication unit are connected in sequence. The power supply unit is connected with the CDC detection chip unit, the single-chip microcomputer minimum system unit and the data communication unit. The CDC chip-based subway door anti-pinch detection circuit has the advantages that an STC89C52 single-chip microcomputer communicates with a CDC chip FDC1004 through an IIC interface, whether a human body exits or not is determined by detecting the capacitance, and the STC89C52 single-chip microcomputer is connected with an RS-422 level transceiver LTM2881 through a serial port to send out a determination result.

Description

technical field [0001] The invention relates to the field of rail transit safety, in particular to a CDC chip-based anti-pinch detection circuit for subway doors. Background technique [0002] Nowadays, due to the high efficiency of the subway transportation line, the accurate time, and the small influence of environmental factors such as weather, the subway has become a common means of transportation for citizens to travel. When the subway arrives at the station, the subway train door and the subway platform screen door are opened successively for passengers to get on and off. However, in the actual riding process, some passengers, regardless of their own safety, forcibly rush into the subway when the subway is about to close, and may be caught between the subway door and the platform screen door at the moment the door is closed. There is a dead angle in the line of sight, which leads to safety hazards in the process of door opening and closing. At 19:09 on November 6, 20...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E05F15/46
CPCE05F15/46E05Y2900/51E05Y2900/532
Inventor 袁坤
Owner TIANJIN EMBEDTEC