CN108415395A - A kind of electric valve intelligent substation - Google Patents
A kind of electric valve intelligent substation Download PDFInfo
- Publication number
- CN108415395A CN108415395A CN201810397197.5A CN201810397197A CN108415395A CN 108415395 A CN108415395 A CN 108415395A CN 201810397197 A CN201810397197 A CN 201810397197A CN 108415395 A CN108415395 A CN 108415395A
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- Prior art keywords
- valve
- order
- opened
- state
- opening
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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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication
- G05B19/4186—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication by protocol, e.g. MAP, TOP
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Automation & Control Theory (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of electric valve intelligent substations, including PLC and wireless terminal, the PLC includes 7 DI switching values channels, 2 DO switching values channels and 1 AI analog quantity channel, hand/auto state, valve opening operating status, pass valve operating status, the valve that the PLC is respectively connected to equipment successively from top to bottom reach a state, valve closes state, malfunction, external interlocking, open degree feedback, current feedback and frequency in place and gives, and 2 DO switching values channels are separately connected valve opening action command successively from top to bottom.The present invention is wired with wirelessly replacing so that the upgrading cost reduction of old control system；System centre station is handled by the required state that wireless collection sends over, control function block output result comes control device executing agency, while this result is sent to central station, to be monitored and operate in host computer, ensure that the stability of system；Transformation process is carried out by equipment substep local flow improvement.
Description
Technical field
The present invention relates to a kind of intelligent substation, specially a kind of electric valve intelligent substation belongs to intelligent substation and applies skill
Art field.
Background technology
After early stage builds the industrial products machining production line of factory, sewage treatment plant's system operation for many years, due to electrically setting
The standby service life compared to mechanical equipment design is opposite to want short, robot control system(RCS) with age aging, plant maintenance not in time, product renewing
It regenerates, reasons, the signal of many equipment such as standby redundancy halt production can not be operated and monitored in host computer, cause system long-term
Handle manual mode on the spot.Production run cost of labor more carries larger, and equipment failure rate is higher and higher, the water quality dealt
It is unstable, and probability of meeting water quality standard is decreased obviously, and full pond or the not major accidents such as qualified discharge often occurs.
Place that there are many deficiencies for current electric valve intelligent substation, such as traditional electric valve intelligent substation is using having
Line transmits, and inquiry of breaking down is inconvenient, and whole system automatic control line identification is unclear, and when using old line, many signals transmit not
Come over, need unwrapping wire again, increases wiring cost；Entire transformation process is complicated, and construction period is longer, and is transformed and needs to stop
Electricity.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of electric valve intelligent substation.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of electric valve intelligent substation, including PLC and nothing
Line terminal, the PLC include 7 DI switching values channels, 2 DO switching values channels and 1 AI analog quantity channel, the PLC from
Hand/auto state, valve opening operating status, pass valve operating status, the valve that top to bottm is respectively connected to equipment successively reach a state, valve
State, malfunction, external interlocking, open degree feedback, current feedback and frequency in place is closed to give, and 2 DO switching values channels from
Top to bottm is separately connected valve opening action command successively, closes valve events order, substation standard configuration RS485 communication interfaces, double by two cores
Twist shielding line and Intelligent wireless terminal RS485 interfaces A B terminals connect, constitute the intelligent substation with wireless transmission function；
Wireless terminal is by being wirelessly connected central station wireless terminal, and central station wireless terminal connects center by RS485 communication interfaces
Stand PLC.
Preferably, substation sends substation hand/auto state, valve opening operating status, pass valve operating status, valve to central station and opens
In place state, valve close to state, malfunction, valve opening data, while receiving valve opening from central station, closing valve control
Instruction.
Preferably, the PLC and wireless terminal external world's 220V power supplys.
Preferably, the AI analog quantity channels are DC4-20mA.
A kind of electric valve intelligent substation, operation include the following steps：
Step A, after hand/auto state is opened, order closing is opened when opening malfunction channel enters electrically operated valve；When failure shape
After state is closed, opens external interlocking channel and enter shutdown command；Enter inter-interlock after outside interlocking channel is closed, works as inside
Interlocking, which is opened, enters shutdown command, is carried out in next step after inter-interlock channel is closed；
Step B, after from central station out code, switch valve order is played, beats switch valve order countdown, and count down time
Between 30-120s, it can adjust；Then judge to close valve operation order, the internal correlation lock order pass when pass valve operation is opened
It closes；Internal correlation lock is opened when closing valve operation order and closing；
Step C, beat switch valve order enter valve pass judge in place, when valve close in place close after go successively to beat switch valve order；
It is closed after valve, which closes, to be opened in place and closes valve order；Step D, after being instructed from central station valve opening, valve opening order is opened, judges valve
Position is reached, is closed when valve reaches the laggard valve order of entering the GATT in position, is opened when valve and do not go successively to valve opening order opening in place, entrance is next
Step；
Step E, after opening valve opening order, valve opening order countdown, time regulatable 30-120s judges whether valve opening runs, when
Valve opening enters inside when operation and opens chain closing, and internal open union lock is entered when valve opening not running and is opened.
The beneficial effects of the invention are as follows：The present invention with wirelessly replace it is wired so that the upgrading of old control system at
This reduction；System centre station is handled by the required state that wireless collection sends over, control function block exports result
Come control device executing agency, while this result is sent to central station, to be monitored and operate in host computer, ensure that
The stability of system；Transformation process is carried out by equipment substep local flow improvement, is influenced on the overall operation of original system smaller or without shadow
It rings.
Description of the drawings
Fig. 1 is electric valve intelligent substation of the present invention schematic diagram；
Fig. 2 is the electric valve intelligent substation control function block control flow chart of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig.1 shown in -2, a kind of electric valve intelligent substation, including PLC and wireless terminal, the PLC includes 7
DI switching values channel, 2 DO switching values channels and 1 AI analog quantity channel, the PLC are respectively connected to equipment successively from top to bottom
Hand/auto state, valve opening operating status, close valve operating status, valve reaches a state, valve closes state, malfunction, outer in place
Portion's interlocking, open degree feedback, current feedback and frequency are given, and 2 DO switching values channels are separately connected valve opening successively from top to bottom
Action command closes valve events order, substation standard configuration RS485 communication interfaces, passes through two core twisted-pair shielded wires and Intelligent wireless terminal
RS485 interfaces A B terminals connection, constitute with wireless transmission function intelligent substation；Wireless terminal passes through in wireless connection
Center station wireless terminal, and central station wireless terminal connects central station PLC by RS485 communication interfaces.
Wherein, substation sends substation hand/auto state, valve opening operating status, pass valve operating status, valve to central station and reaches
Position state, valve close to state, malfunction, valve opening data, while receiving valve opening from central station, closing valve control and refer to
It enables.
Wherein, the PLC and wireless terminal external world's 220V power supplys.
Wherein, the AI analog quantity channels are DC4-20mA.
A kind of electric valve intelligent substation, operation include the following steps：
Step A, after hand/auto state is opened, order closing is opened when opening malfunction channel enters electrically operated valve；When failure shape
After state is closed, opens external interlocking channel and enter shutdown command；Enter inter-interlock after outside interlocking channel is closed, works as inside
Interlocking, which is opened, enters shutdown command, is carried out in next step after inter-interlock channel is closed；
Step B, after from central station out code, switch valve order is played, beats switch valve order countdown, and count down time
Between 30-120s, it can adjust；Then judge to close valve operation order, the internal correlation lock order pass when pass valve operation is opened
It closes；Internal correlation lock is opened when closing valve operation order and closing；
Step C, beat switch valve order enter valve pass judge in place, when valve close in place close after go successively to beat switch valve order；
It is closed after valve, which closes, to be opened in place and closes valve order；Step D, after being instructed from central station valve opening, valve opening order is opened, judges valve
Position is reached, is closed when valve reaches the laggard valve order of entering the GATT in position, is opened when valve and do not go successively to valve opening order opening in place, entrance is next
Step；
Step E, after opening valve opening order, valve opening order countdown, time regulatable 30-120s judges whether valve opening runs, when
Valve opening enters inside when operation and opens chain closing, and internal open union lock is entered when valve opening not running and is opened.
Intelligence substation using the present invention makes the upgrading cost reduction of old control system；It is logical to system centre station
It crosses the required state that wireless collection sends over to be handled, control function block output result comes control device executing agency, together
When this result is sent to central station, to be monitored and operate in host computer, ensure that the stability of system；Transformation process
It carries out, the overall operation of original system is influenced smaller or without influence by equipment substep local flow improvement.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (5)
1. a kind of electric valve intelligent substation, it is characterised in that：Including PLC and wireless terminal, the PLC includes that 7 DI are switched
Measure channel, 2 DO switching values channels and 1 AI analog quantity channel, the PLC be respectively connected to successively from top to bottom the hand of equipment/
Auto state, valve opening operating status, pass valve operating status, valve reach a state, valve closes state, malfunction, external connection in place
Lock, open degree feedback, current feedback and frequency are given, and 2 DO switching values channels are separately connected valve opening action successively from top to bottom
Valve events orders, substation standard configuration RS485 communication interfaces are closed in order, pass through two core twisted-pair shielded wires and Intelligent wireless terminal
RS485 interfaces A B terminals connection, constitute with wireless transmission function intelligent substation；Wireless terminal is by being wirelessly connected center
It stands wireless terminal, and central station wireless terminal passes through RS485 communication interfaces and connects central station PLC.
2. a kind of electric valve intelligent substation according to claim 1, it is characterised in that：Substation sends substation to central station
Hand/auto state, valve opening operating status, close valve operating status, valve reaches a state, valve close to state, malfunction, valve
Aperture data, while receiving valve opening, pass valve control instruction from central station.
3. a kind of electric valve intelligent substation according to claim 1, it is characterised in that：The PLC and wireless terminal are equal
Extraneous 220V power supplys.
4. a kind of electric valve intelligent substation according to claim 1, it is characterised in that：The AI analog quantity channels are
DC4-20mA。
5. a kind of electric valve intelligent substation according to claim 1, it is characterised in that：Operation includes the following steps：
Step A, after hand/auto state is opened, order closing is opened when opening malfunction channel enters electrically operated valve；When failure shape
After state is closed, opens external interlocking channel and enter shutdown command；Enter inter-interlock after outside interlocking channel is closed, works as inside
Interlocking, which is opened, enters shutdown command, is carried out in next step after inter-interlock channel is closed；
Step B, after from central station out code, switch valve order is played, beats switch valve order countdown, and count down time
Between 30-120s, it can adjust；Then judge to close valve operation order, the internal correlation lock order pass when pass valve operation is opened
It closes；Internal correlation lock is opened when closing valve operation order and closing；
Step C, beat switch valve order enter valve pass judge in place, when valve close in place close after go successively to beat switch valve order；
It is closed after valve, which closes, to be opened in place and closes valve order；Step D, after being instructed from central station valve opening, valve opening order is opened, judges valve
Position is reached, is closed when valve reaches the laggard valve order of entering the GATT in position, is opened when valve and do not go successively to valve opening order opening in place, entrance is next
Step；
Step E, after opening valve opening order, valve opening order countdown, time regulatable 30-120s judges whether valve opening runs, when
Valve opening enters inside when operation and opens chain closing, and internal open union lock is entered when valve opening not running and is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810397197.5A CN108415395A (en) | 2018-04-28 | 2018-04-28 | A kind of electric valve intelligent substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810397197.5A CN108415395A (en) | 2018-04-28 | 2018-04-28 | A kind of electric valve intelligent substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108415395A true CN108415395A (en) | 2018-08-17 |
Family
ID=63137047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810397197.5A Withdrawn CN108415395A (en) | 2018-04-28 | 2018-04-28 | A kind of electric valve intelligent substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108415395A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748687A (en) * | 2019-10-28 | 2020-02-04 | 上海庄生机电工程设备有限公司 | Method for converting forward and reverse rotation switching valve driver into regulated quantity output |
-
2018
- 2018-04-28 CN CN201810397197.5A patent/CN108415395A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748687A (en) * | 2019-10-28 | 2020-02-04 | 上海庄生机电工程设备有限公司 | Method for converting forward and reverse rotation switching valve driver into regulated quantity output |
| CN110748687B (en) * | 2019-10-28 | 2021-07-13 | 上海庄生机电工程设备有限公司 | Method for converting forward and reverse rotation switching valve driver into regulated quantity output |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180817 |
|
| WW01 | Invention patent application withdrawn after publication |