Unlock instant, AI-driven research and patent intelligence for your innovation.

Simple servo valve driving device and servo valve driving method

The technology of a driving device and a driving method, which is applied in the field of steam turbines, can solve the problems of complex operation and single function, and achieve the effect of simple operation and simple structure

Active Publication Date: 2018-09-28
HARBIN TURBINE +1
View PDF7 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims to solve the problem of complex operation and single function of the existing method for judging whether the servo valve or its oil supply system is normal, and now provides a simple servo valve driving device and a servo valve driving method

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Simple servo valve driving device and servo valve driving method
  • Simple servo valve driving device and servo valve driving method
  • Simple servo valve driving device and servo valve driving method

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0031] Embodiment 1: A simple servo valve driving device described in this embodiment, the device drives a group of coils of the servo valve, and the device includes: a battery box, a rotary adjustable resistor, a display panel 3, a switch 4, and an interface terminal 5 and housing 7;

[0032] Such as Figure 5 As shown, the battery box, the rotary adjustable resistor, the switch 4 and the interface terminal 5 are electrically connected in turn to form a closed loop. The interface terminal 5 is composed of a terminal block, and the interface terminal 5 is electrically connected to the servo valve 6 through a connecting cable.

[0033] Such as Figure 4 As shown, the display panel 3 is a dial in the shape of concentric circles, the adjusting knob of the rotary adjustable resistor is located at the center of the display panel 3, an indicator line is engraved on the adjusting knob radially, and the rotation angle of the adjusting knob is less than 360°. The battery box and the ...

specific Embodiment approach 2

[0039] Specific embodiment two: a simple servo valve driving device described in this embodiment, the device drives two sets of coils of the servo valve, the device includes: two dry batteries connected in series, a rotary adjustable resistor, a display panel 3, a switch 4. Interface terminal 5 and shell 7;

[0040] Such as Figure 6 As shown, two dry batteries in series, a rotary adjustable resistor, a switch 4 and an interface terminal 5 are electrically connected in turn to form a closed loop. The interface terminal 5 is composed of a terminal block, and the interface terminal 5 is electrically connected to the servo valve 6 through a connecting cable.

[0041] Such as Figure 4 As shown, the display panel 3 is a dial in the shape of concentric circles, the adjusting knob of the rotary adjustable resistor is located at the center of the display panel 3, an indicator line is engraved on the adjusting knob radially, and the rotation angle of the adjusting knob is less than 3...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a simple servo valve driving device and a servo valve driving method, and relates to the field of steam turbines. The problem that an existing method for judging whether a servo valve or an oil supply system of the servo valve are normal or not is complex in operation and single in function is solved. The simple servo valve driving device, a power module, an adjusting module, a switch and a connector terminal are sequentially connected electrically to form a closed loop, the adjusting module can adjust the output current of the connector terminal, a display disc is a round or arc dial, an adjusting knob of the adjusting module is located in the circle center of the display disc, an indication line is carved in the radial direction of the adjusting knob, the rotating angle of the adjusting knob is smaller than 360 degrees, the indication line can point to corresponding scales on the dial along with rotating of the adjusting knob, and the corresponding scales correspond to output currents of the connector terminal.

Description

technical field [0001] The invention belongs to the field of steam turbines, in particular to the drive of a servo valve. Background technique [0002] The control valves of steam turbine units in conventional thermal power and nuclear power plants generally use servo valves to drive and control the valve up and down, so as to adjust the steam flow of the steam turbine and control the speed and load of the unit. Generally, before the joint debugging of the servo valve and the control system, it is first necessary to judge whether the servo valve or its oil supply system is normal. Usually, two methods are used to judge, one is to use a dry battery to directly supply power to the coil of the servo valve, and the other is to Use a small controller device. The advantage of the former method is that it is simple and convenient, and the cost is low. The disadvantage is that the speed of the valve cannot be adjusted, and the valve is always opened or closed at the maximum speed. ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/06F16K37/00
CPCF16K31/0675F16K37/0016
Inventor 孙智超崔栋良郭德军代波涛
Owner HARBIN TURBINE