KR101718390B1 - Valve control system - Google Patents
Valve control system Download PDFInfo
- Publication number
- KR101718390B1 KR101718390B1 KR1020160142917A KR20160142917A KR101718390B1 KR 101718390 B1 KR101718390 B1 KR 101718390B1 KR 1020160142917 A KR1020160142917 A KR 1020160142917A KR 20160142917 A KR20160142917 A KR 20160142917A KR 101718390 B1 KR101718390 B1 KR 101718390B1
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- KR
- South Korea
- Prior art keywords
- valve
- sensor
- processor
- accident
- flow
- Prior art date
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/011—Automatic controllers electric details of the correcting means
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/012—Automatic controllers electric details of the transmission means
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B9/00—Safety arrangements
- G05B9/02—Safety arrangements electric
- G05B9/03—Safety arrangements electric with multiple-channel loop, i.e. redundant control systems
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Safety Devices In Control Systems (AREA)
- Flow Control (AREA)
Abstract
A valve automatic control system is disclosed. A valve positioner connected to the pump; A first flow sensor for sensing pump fluid flow through the valve positioner; A storage tank for storing pump fluid; A pressure sensor, a temperature sensor, and a water level sensor installed in the storage tank; And the flow rate signal of the first flow rate sensor, the pressure signal of the pressure sensor, the temperature signal of the temperature sensor, and the level signal of the level sensor to automatically control the valve, store the valve operation data, And controls the valve according to the signal information set to " 1 " Therefore, it operates according to the flow control mechanism in case of an accident, so that the flow rate can be controlled in real time under any circumstances.
Description
More particularly, the present invention relates to a valve automatic control system, and more particularly to a valve automatic control system that collects a flow rate signal of a flow sensor, a pressure signal of a pressure sensor, a temperature signal of a temperature sensor, And to continuously operate the valve by controlling the valve according to the signal information set based on the valve operation data.
The valve automatic control system controls the plant flow rate. The valve automatic control system senses the flow rate with the flow sensor and controls the flow rate based on the sensed flow rate. If an accident occurs in the valve automatic control system, the system operation stops and the flow control is not correct. A valve automatic control system is required which allows flow control to be performed under any circumstances. The valve automatic control system consists of redundant. In addition to the valve automatic control system that controls the flow rate, the valve automatic control system that is in the standby state is constituted, so that it can be flexibly coped with an accident occurrence. Therefore, a flow control mechanism is needed in case of an accident.
SUMMARY OF THE INVENTION An object of the present invention is to provide a valve automatic control system that controls a flow rate in a redundant configuration and operates in accordance with a flow rate control mechanism when an accident occurs.
According to an aspect of the present invention, there is provided a pump including: a valve positioner connected to a pump; A first flow sensor for sensing pump fluid flow through the valve positioner; A storage tank for storing pump fluid; A pressure sensor, a temperature sensor, and a water level sensor installed in the storage tank; And the flow rate signal of the first flow rate sensor, the pressure signal of the pressure sensor, the temperature signal of the temperature sensor, and the water level signal of the water level sensor to automatically control the valve, and according to the set signal information And provides a smart controller that continuously controls the valve.
Wherein the smart controller is configured such that the processor is configured as redundant and the first processor is configured as a redundant sensor and the first processor is configured as a redundant sensor, The valve operation data is stored in the DB, and when an accident occurs during the valve control, the second processor is operated by switching. In case of an accident, the valve operation data recorded in the DB is read, and the valve operation data And controls the valve according to the signal information set on the basis of the signal to continue the operation.
The first processor controls the valve, the second processor detects the malfunction of the first processor, operates on behalf of the first processor in real time in case of an accident, reboots the first processor, and monitors the operation of the second processor.
The smart controller logs the incident information and uploads it to the server when the event occurs. The server collects and analyzes the incident information, manages the incident history, and outputs the history of the accident upon request.
When the valve automatic control system according to the present invention as described above is used, the flow rate can be controlled in real time under any circumstances by operating according to the flow rate control mechanism when an accident occurs.
In addition, the valve control and malfunction monitoring can be performed in parallel to maintain the valve control at any time.
In addition, by performing valve control in response to an accident, valve control can be continued without interruption even in the event of an accident.
1 is a block diagram showing the configuration of an automatic valve control system according to an embodiment of the present invention.
2 is a flowchart illustrating an operation of a valve control method according to an embodiment of the present invention.
Figure 3 is a flow chart of operation showing duplicated valve control.
Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.
Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings.
The valve automatic control system controls the fluid flow, stores the valve operation data, and controls the valve by referring to the stored valve operation data when an accident occurs. The valve automatic control system can perform the valve control in real time by coping with the occurrence of an accident using the stored valve operation data during normal operation.
1 is a block diagram showing the configuration of an automatic valve control system according to an embodiment of the present invention.
A valve positioner (110) connected to the pump; A
The
The
The
A
The
A second flow sensor is connected in parallel to the
The
The
The first processor controls the valve, the second processor detects the malfunction of the first processor, operates on behalf of the first processor in real time in case of an accident, reboots the first processor, and monitors the operation of the second processor.
2 is a flowchart illustrating an operation of a valve control method according to an embodiment of the present invention.
The valve control method will be described.
The valve automatic control system includes a program memory for storing a program, a data memory for storing data, and a processor for executing the program.
Looking at the data stored in the program memory, the program memory includes sensing (210) a pump fluid flow through the valve positioner; (220) sensing the fluid information of the storage tank by a pressure sensor, a temperature sensor, and a water level sensor installed in the storage tank; Collecting the flow rate signal of the flow sensor, the pressure signal of the pressure sensor, the temperature signal of the temperature sensor, and the level signal of the level sensor, recording the valve operation data and automatically controlling the valve (step 230); And a step 240 of controlling the valve according to the set signal information based on the valve operation data recorded at the time of the occurrence of an accident to continue operation.
The valve automatic control system executes the program stored in the program memory by the processor, and the operation will be described as follows.
The procedures performed in the valve automatic control system are described in time series.
The valve positioner is connected to the pump.
The first flow sensor senses the pump fluid flow through the valve positioner.
The storage tank stores the pump fluid.
A pressure sensor, a temperature sensor, and a water level sensor are installed in the storage tank to sense fluid information in the storage tank.
The valve automatic control system collects the flow signal of the first flow sensor, the pressure signal of the pressure sensor, the temperature signal of the temperature sensor, and the level signal of the level sensor, records the valve operation data, automatically controls the valve, Controls the valve according to the set signal information based on the operation data and continues operation.
A second flow sensor is connected in parallel to the first flow sensor to sense pump fluid flow.
The flow sensor, pressure sensor, temperature sensor, and level sensor are duplicated.
Figure 3 is a flow chart of operation showing duplicated valve control.
The valve automatic control system is configured such that the processor is configured to be redundant, and if the first processor judges that the duplicated sensor signals are identical, the valve operation data is stored in the DB, and when an accident occurs during valve control, , Reads the valve operation data recorded in the DB in case of an accident, and controls the valve according to the set signal information based on the valve operation data to continue the operation.
The first processor controls the valve, the second processor detects the malfunction of the first processor, operates on behalf of the first processor in real time in case of an accident, reboots the first processor, and monitors the operation of the second processor.
Example 1
The valve automatic control system controls the valve during normal operation to control the fluid flow and store the valve operation data.
The valve automatic control system reads valve operation data stored in the event of an accident and continues valve control.
Example 2
Valve automatic control system duplicates sensor and processor.
The first processor performs the valve control and the second processor detects the malfunction of the first processor.
If the first processor malfunctions due to an accident, the second processor performs valve control based on the stored valve operation data.
The first processor detects a malfunction of the second processor. The first processor may drive the watchdog timer and periodically output a normal signal. The second processor can determine that the first processor is malfunctioning if the normal signal is not received from the first processor. The first processor initiates a reboot when a watchdog timer overflow occurs.
The first processor and the second processor transfer the tasks to each other.
The first processor monitors the malfunction of the second processor, and the second processor continues the valve control.
Example 3
The smart controller logs the incident information and uploads it to the server when the event occurs. The server collects and analyzes the incident information, manages the incident history, and outputs the history of the accident upon request.
The smart controller records accident information due to an accident and uploads it to the server so that the server can collect accident information.
Smart controller uploads accident information and overflow occurrence time which records valve control data when watchdog timer overflow occurs to server.
The server collects the valve control data recorded in the overflow occurrence time and manages it by DB.
The server can analyze the pattern of valve control data in the accident information to respond to an accident.
The server manages the history of accidents and outputs the history of accidents at the time of reading request, so that the manager can view the history of accidents and respond to accidents.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention as defined by the following claims It can be understood that
110: valve positioner 120: first flow sensor
130: pressure sensor 140: temperature sensor
150: Level sensor 160: Smart controller
170: Storage tank
Claims (4)
A first flow sensor for sensing a pump fluid flow through the valve positioner;
A storage tank for storing pump fluid;
A pressure sensor, a temperature sensor, and a water level sensor provided in the storage tank; And
A temperature signal of the temperature sensor, and a level signal of the level sensor to automatically control the valve, store the valve operation data,
And a smart controller for controlling the valve in accordance with the set signal information based on the valve operation data stored in the event of an accident,
Further comprising a second flow sensor connected in parallel to the first flow sensor for sensing the pump fluid flow,
The flow sensor, the pressure sensor, the temperature sensor, and the water level sensor,
The smart controller includes:
The processor is configured to be redundant,
If the first processor judges that the duplicated sensor signals are the same and stores the valve operation data in the DB,
The second processor operates in a switched state,
When an accident occurs, the valve operation data stored in the DB is read,
And a valve automatic control system for continuously controlling the valve according to signal information set based on the valve operation data.
The first processor comprising:
Valve control,
The second processor,
Detecting a malfunction of the first processor,
In response to an occurrence of an accident, operates in place of the first processor in real time,
Wherein the first processor comprises:
Reboot,
And monitors the operation of the second processor.
The smart controller includes:
Accident information is recorded when an accident occurs, uploaded to the server,
The server comprises:
Collecting and analyzing accident information, managing accident history,
Valve automatic control system that outputs accident history when requesting inspection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160142917A KR101718390B1 (en) | 2016-10-31 | 2016-10-31 | Valve control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160142917A KR101718390B1 (en) | 2016-10-31 | 2016-10-31 | Valve control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR101718390B1 true KR101718390B1 (en) | 2017-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020160142917A KR101718390B1 (en) | 2016-10-31 | 2016-10-31 | Valve control system |
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| KR (1) | KR101718390B1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101797558B1 (en) * | 2017-04-26 | 2017-11-16 | 주식회사 프라임제이홀딩스 | Artificial intelligent smart valve control system based on database |
| CN110989562A (en) * | 2019-12-26 | 2020-04-10 | 许继集团有限公司 | Testing system and method of valve control system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08110864A (en) * | 1994-10-11 | 1996-04-30 | Fuji Electric Co Ltd | Continuing method for control arithmetic operation of duplex control arithmetic unit |
| KR0158492B1 (en) | 1995-12-11 | 1999-02-01 | 김광호 | Semiconductor memory device |
| KR20070037322A (en) * | 2005-09-30 | 2007-04-04 | 에스엠시 가부시키가이샤 | Water-cooled constant temperature liquid circulating device and method of controlling temperature of circulating liquid with the same |
| KR20150068215A (en) * | 2013-12-11 | 2015-06-19 | 대우조선해양 주식회사 | Absorption heating and cooling system using waste gas |
-
2016
- 2016-10-31 KR KR1020160142917A patent/KR101718390B1/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08110864A (en) * | 1994-10-11 | 1996-04-30 | Fuji Electric Co Ltd | Continuing method for control arithmetic operation of duplex control arithmetic unit |
| KR0158492B1 (en) | 1995-12-11 | 1999-02-01 | 김광호 | Semiconductor memory device |
| KR20070037322A (en) * | 2005-09-30 | 2007-04-04 | 에스엠시 가부시키가이샤 | Water-cooled constant temperature liquid circulating device and method of controlling temperature of circulating liquid with the same |
| KR20150068215A (en) * | 2013-12-11 | 2015-06-19 | 대우조선해양 주식회사 | Absorption heating and cooling system using waste gas |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101797558B1 (en) * | 2017-04-26 | 2017-11-16 | 주식회사 프라임제이홀딩스 | Artificial intelligent smart valve control system based on database |
| CN110989562A (en) * | 2019-12-26 | 2020-04-10 | 许继集团有限公司 | Testing system and method of valve control system |
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