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On-site manual and long-distance remote control method for long-distance remote control system

A technology of remote control and control method, which is applied in the field of on-site manual and remote control control of the remote control system, and can solve problems affecting the popularization and application of technology

Inactive Publication Date: 2007-03-07
FARMLAND IRRIGATION RES INST CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This kind of situation, in the engineering practice of remote control of our agricultural machine well group, the frequency of occurrence has reached an intolerable level, which seriously affects the popularization and application of this technology

Method used

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  • On-site manual and long-distance remote control method for long-distance remote control system

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Embodiment Construction

[0013]As shown in Figure 1, take the control of the water pump as an example to illustrate: M is the motor of the water pump, FR is the thermal protection relay, FU is the fuse, QS is the main switch of the motor power supply of the water pump, K is the AC contactor, and K-2 is the AC A group of normally open contacts of the contactor, K-1 is another normally open contact of the AC contactor, SB1 is a button for manually starting the water pump on site, which is a button with a normally open contact that is automatically reset by a spring, and SB2 is for on-site manual The button to turn off the water pump is a button with a normally closed contact that is automatically reset by a spring. J1 is the remote control start relay, J2 is the remote control close relay, J1-1 is the normally open contact of the remote control start relay, and J2-1 is the The remote control closes the normally closed contact of the relay, and K-3 is the normally open contact of the AC contactor, which i...

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Abstract

This invention relates to remote control system spot handle and control method, which comprises the following steps: setting remote start relay, remote close relay in circuit; starting by hand spot control device by SB1 and closing controller device by hand as SB2; in remote control, spot control single machine sending the start and close device control orders and then starting single machine inner timer and then closing the timer in the interval program of the timer.

Description

technical field [0001] The invention relates to a method in a remote control system which can also achieve the purpose of remote control control and on-site manual control without the need for remote control and on-site manual control switch and corresponding conversion. Background technique [0002] At present, in the remote control system, the control site is usually equipped with a remote control control and on-site manual control switch. If you want to manually turn on and off the equipment on site, you must first turn the switch to the manual position on the site. Turn the device on and off manually. After the on-site manual operation, the transfer switch must be turned back to the remote control position to restore the control of the remote control center to the site, that is, to determine whether the remote control system is in the remote control state or in the on-site manual state through the remote control control and on-site manual control transfer switch . If t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/05G05B15/02H01H9/54H02P1/02H02P3/02
Inventor 高胜国黄修桥齐学斌郭志新樊向阳黄仲冬李平
Owner FARMLAND IRRIGATION RES INST CHINESE ACAD OF AGRI SCI