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A kind of control device and control method of electric regulating valve

An electric regulating valve and control device technology, which is applied in the direction of valve operation/release device, valve device, valve details, etc., can solve the problems of electric regulating valves not having a common structure and complexity, and achieve optimal operation mode, control process and precision High, powerful effects

Active Publication Date: 2019-07-19
CHINA TECHENERGY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to solve the technical problem that the control of electric control valves in the prior art cannot be universally used and the structure is relatively complicated, the present invention provides a control device and control method for electric control valves, which can realize digital signal control through programming or corresponding application design, And the structure of the control device is simple and reliable

Method used

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  • A kind of control device and control method of electric regulating valve
  • A kind of control device and control method of electric regulating valve
  • A kind of control device and control method of electric regulating valve

Examples

Experimental program
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Effect test

Embodiment 1

[0060] Such as image 3 As shown, this embodiment provides a control device for an electric control valve, the control device includes:

[0061] The man-machine interface module 100 that receives the operation instruction signal from the operator; among them, the man-machine interface module 100 mainly realizes the information interaction with the user, realizes the function of generating operation instructions and displaying the status of the controlled equipment, and realizes it through the touch screen and corresponding software algorithm ; The human-machine interface function can also be realized through mechanical buttons, switches or hand-held devices, and the interface with the controller should be hard-wired at this time.

[0062] The controller 200 connected to the man-machine interface module 100, after receiving the operation instruction from the man-machine interface module 100, the controller 200 performs logic processing corresponding to the operation instruction...

Embodiment 2

[0086] Combine below Figure 5-Figure 10The technical solution provided by this application is further explained, and some modules or processes have already been explained in the first embodiment, and will not be repeated in this embodiment.

[0087] This embodiment provides a control device for an electromagnetic regulating valve applied to a nuclear power plant. The control device includes a man-machine interface module, a controller, and an equipment interface module, and uses a switch signal to control the action of the electric valve head to adjust the opening of the on-site valve. , so as to achieve the purpose of controlling field operation parameters. The control device receives operation instructions through the man-machine interface module, and at the same time collects the adjusted quantity and valve feedback on site, and designs the control algorithm through the controller to realize the manual and automatic opening control of the electric regulating valve, as well...

Embodiment 3

[0100] Combine below Figure 10 The application scenario of realizing the open-loop control of the valve opening with the control device provided in Embodiment 2 is specifically described:

[0101] In this embodiment, the manual switch operation is performed according to the feedback of the opening degree of the valve, and the opening degree of the valve is directly increased or decreased. The button is operated through the man-machine interface module, and the valve opening or closing command is sent. After the controller receives the switch operation command, according to the travel time of the valve and the expected valve opening change value of a single operation, the corresponding level width operation is performed through the widening level generation part, and the command is converted into the level of the expected width instruction. After the switch command is optimized by the equipment interface module, the switch level signal of the expected width is sent to the sw...

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Abstract

The invention belongs to the technical field of automatic control, aims at solving the technical problems that in the prior art, electric adjusting valve control is not universal, and the structure iscomplex, and provides an electric adjusting valve control device and method. The control device comprises a man-machine interface module receiving an operation instruction signal from an operator, acontroller and an equipment interface module, wherein the controller conducts logic treatment corresponding to an operation instruction after receiving the operation instruction of the man-machine interface module; and the equipment interface module can convert the signal, obtained after logic treatment, from the controller into an electric level signal for driving field electric adjusting valve equipment. The control method comprises the steps that the operation instruction signal from the operator is received; after the operation instruction is received, logic treatment corresponding to theoperation instruction is conducted; and the signal obtained after logic treatment is converted into the electric level signal for driving the field electric adjusting valve equipment.

Description

technical field [0001] The invention relates to the technical field of automatic control, in particular to a control device and a control method for an electric control valve, in particular to a control device and a control method for an electric control valve in a nuclear power plant protection system. Background technique [0002] As a common component in the field of automatic control, regulating valves are mainly divided into pneumatic regulating valves and electric regulating valves. Such as figure 1 Shown is a pneumatic control valve and its control device in the prior art. The control device of the pneumatic control valve outputs an analog control signal (4-20mA), and the opening of the intake valve is controlled by the signal to adjust the valve opening. , the protection signal realizes the quick opening or closing of the valve by controlling the rapid exhaust of the electromagnetic three-way valve; In newly built nuclear power plants, electric control valves are m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/02
CPCF16K31/02
Inventor 夏利民江国进孙永滨白涛郑伟智白玮孙洪涛刘波刘春明王志嘉
Owner CHINA TECHENERGY
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