Multi-sensor control circuit and control method thereof

A control circuit and multi-sensor technology, which is applied in the field of sensor circuits, can solve problems affecting the normal operation of circuits and problems in sensor operation, and achieve the effects of reducing circuit costs, ensuring normal operation, and avoiding abnormal operation

Active Publication Date: 2016-10-12
青岛融禾信息技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The disadvantage of this connection method is that when the number of sensors is large, the power supply requirements become very high. If the power supply is insufficient, it will cause problems in the operation of the sensors, which in turn will affect the normal operation of the entire circuit.

Method used

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  • Multi-sensor control circuit and control method thereof
  • Multi-sensor control circuit and control method thereof

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Embodiment Construction

[0027] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] The multi-sensor control circuit of this embodiment mainly includes a main control unit, an interface unit, a sensor unit, etc., see figure 2 As shown, the sensor unit includes a plurality of sensors, and the plurality of sensors are arranged in multiple rows and columns. The interface unit mainly includes a signal transmission terminal, multiple power supply positive output terminals, multiple power supply negative output terminals, and one end of each power supply positive output terminal They are all connected to the DC power supply through the switching paths of the corresponding first switching circuits, and one end of the negative output terminal of each power supply is grounded through the switching paths of the corresponding second switching circuits, that is, each positive output terminal of the power sup...

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Abstract

The invention discloses a multi-sensor control circuit and a control method thereof. The multi-sensor control circuit comprises a main control unit, a sensor unit and an interface unit, wherein the sensor unit comprises a plurality of sensors arranged in a plurality of rows and a plurality of columns; the interface unit comprises a signal transmission end, a plurality of power supply positive output ends and a plurality of power supply negative output ends; each power supply positive output end is connected with a DC power supply through a switch access of a corresponding first switching circuit; each power supply negative output end is grounded through switch access of a corresponding second switching circuit; each power supply positive output end is connected with a power supply positive input end of the corresponding row / column of sensors; and each power supply negative output end is connected with a power supply negative input end of the corresponding row / column of sensors. According to the multi-sensor control circuit and the control method thereof, since only one sensor is powered on for operation at one moment, the power supply pressure is small, and the abnormal operation of the sensor and the entire control circuit caused by insufficient power supply is avoided.

Description

technical field [0001] The invention belongs to the technical field of sensor circuits, and in particular relates to a multi-sensor control circuit and a control method for the circuit. Background technique [0002] A sensor is a detection device with a wide range of applications. [0003] In a system circuit, it is often necessary to apply multiple sensors. When there are many sensors that need to be connected to the host, communication is usually used to connect the host with multiple sensors using a master-slave structure, see figure 1 shown. [0004] The disadvantage of this connection method is that when the number of sensors is large, the power supply requirements become very high. If the power supply is insufficient, it will cause problems in the operation of the sensors, which in turn will affect the normal operation of the entire circuit. Contents of the invention [0005] The present invention provides a multi-sensor control circuit, which solves the above-men...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/0423
Inventor 姜德志陈艳丽
Owner 青岛融禾信息技术有限公司
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