Method for achieving power supply, acquisition and detection for sensors through interface configuration circuit

An interface configuration and sensor technology, applied in the direction of logic circuit interface device, logic circuit connection/interface layout, instrument, etc., can solve the problems of long design cycle, high design cost, poor reusability, etc., to improve the generalization level and prevent Influence and prevent the effect of control failure

Active Publication Date: 2018-06-29
XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In conventional circuit design, the sensor power supply, sensor output signal acquisition, and sensor state detection are independently designed. When the sensor power supply range and sensor drive type change, the corresponding circuit needs to be redesigned. The design cycle is long and the design cost is high. poor usability

Method used

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  • Method for achieving power supply, acquisition and detection for sensors through interface configuration circuit
  • Method for achieving power supply, acquisition and detection for sensors through interface configuration circuit
  • Method for achieving power supply, acquisition and detection for sensors through interface configuration circuit

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Embodiment Construction

[0035] Taking the displacement sensor powered by 10V as an example, the power supply acquisition and detection methods of the sensor are described in detail. The functional block diagram of the sensor power supply, acquisition and detection methods is as follows: figure 2 As shown, the specific implementation is as follows:

[0036] circuit configuration

[0037] The sensor V+ is connected to PIN2;

[0038] The sensor V- is connected to PIN3;

[0039] The sensor output signal is connected to PIN4;

[0040] Configure the voltage regulating resistor R1 so that the normal working voltage at both ends of the load is 10V;

[0041] Relay K1 is switched to a normally open contact;

[0042] Relay K2 switches to a normally open contact.

[0043] Implementation:

[0044] The power supply of the sensor is controlled by the host computer. When the switch circuit outputs logic "0", PIN3 is disconnected from the internal power supply circuit, and the sensor does not work; when the sw...

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Abstract

The invention belongs to the field of sensor application design for an aircraft electromechanical system, and relates to a sensor application method which integrates sensor power supply, output signalacquisition and operating state detection. According to the invention, an acquisition system is constructed by voltage acquisition circuits, a switch control circuit and an upper computer through aninterface configuration circuit, configuration is performed on the interface configuration circuit of the acquisition system, and power supply switch control, power supply, output signal acquisition and real-time operating state detection for a sensor are achieved. Application requirements of different types of sensors such as 5V-25V powered, voltage-driven and current-driven sensors can be supported through configuring the acquisition system.

Description

technical field [0001] This technology is a solution proposed in the field of sensor application design to realize the universal design of sensor power supply, acquisition and detection. Background technique [0002] Aircraft electromechanical systems continue to develop toward integration and distribution, and various types of sensors are used for data collection and configuration on board. In conventional circuit design, the sensor power supply, sensor output signal acquisition, and sensor state detection are designed independently. When the sensor power supply range and sensor drive type change, the corresponding circuit needs to be redesigned. The design cycle is long and the design cost is high. Poor usability. [0003] This technology constructs an acquisition module through the interface configuration circuit, the voltage acquisition circuit, the current acquisition circuit, the switch control circuit and the host computer. The acquisition module supports sensor powe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R19/25G01R31/02H03K19/0175
CPCG01R19/25G01R31/50H03K19/017509
Inventor 王晓勇吕俊刘炜王雯包健龙李爱军
Owner XIAN AVIATION COMPUTING TECH RES INST OF AVIATION IND CORP OF CHINA
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