CN209494747U - System for air-introduced machine movable vane - Google Patents
System for air-introduced machine movable vane Download PDFInfo
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- CN209494747U CN209494747U CN201820631730.5U CN201820631730U CN209494747U CN 209494747 U CN209494747 U CN 209494747U CN 201820631730 U CN201820631730 U CN 201820631730U CN 209494747 U CN209494747 U CN 209494747U
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- movable vane
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- 238000010586 diagram Methods 0.000 description 7
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- 230000002159 abnormal effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model embodiment provides a kind of system for air-introduced machine movable vane, belongs to power field.The system includes: the first control module, is used for: judging whether the adjusting to air-introduced machine movable vane breaks down;And action command is transmitted when the adjusting for air-introduced machine movable vane is broken down;Connectivity module, it is connect with the first control module, for receiving action command and being acted according to action command to be connected to the first control module and the second control module, so that the first control module moves leaf divergence to the second control module transmission fault alarm signal and air-introduced machine via connectivity module;And second control module, it connect with connectivity module, is manually controlled for showing failure alarm signal and aperture and by being switched to the adjusting of air-introduced machine movable vane.It is thereby achieved that when the adjusting to air-introduced machine movable vane is broken down, it can to run operator and identify that air-introduced machine moves leaf divergence and keeps blower to operate normally by intervening manually.
Description
Technical field
The utility model relates to power fields, more particularly to a kind of system for air-introduced machine movable vane.
Background technique
Currently, 630MW unit air-introduced machine regulating device model is generally EHA electrohydraulic actuator.Draw in operation
There are the following problems for wind motor leaf PLC control system: when movable vane, which controls to adjust process, to break down, power transfer relay K4 is dynamic
Make, normally closed contact 11-12 (this contact is connected serially to K3 output isolating transmitter input terminal) is disconnected, as shown in Figure 1, output is anti-
Feedback is shown as bad point, and fault-signal is by PLC control cabinet internal fault reset switch S1 (S1 is being spaced apart with auxiliary contact)
Normally opened contact is assisted to issue, S1 is OFF state under normal operation, and S1 is only got to ON again from OFF could complete to OFF
Failure reset also only arrives ON state, and S1 switch auxiliary contact 3-4 could be closed, and as shown in Figure 2, issues failure report to DCS
Alert signal, and real-time transmission signal is unable to DCS.Wherein PLC control cabinet integral arrangement plan view is as shown in Figure 3.That is, movable vane
PLC control system practical manifestation are as follows: when air-introduced machine movable vane adjustment process breaks down, DCS feedback is shown as bad point, and DCS
Failure alarm signal is not received simultaneously, in this case, operations staff can not only identify blower actual motion state, but also can not
Monitor the practical aperture of its movable vane, and wind motor leaf fault-signal is switched without adjusting movable vane by automatically controlling because not being triggered
To manually controlling, at this moment operations staff can not both intervene manually keeps blower to operate normally, and has also broken down because practical on the spot
And normal regulating can not be carried out, therefore when air-introduced machine movable vane adjustment process breaks down, operations staff can not take in time just
Really, efficient operation measure ensures unit safety stable operation, while also bringing to operation operator and greatly pressing at heart
Power.Therefore, the presence of this problem brings huge hidden danger to machine set of long-period safe and stable operation, while also affecting machine
The economic benefit of group.
Utility model content
The purpose of the utility model is to provide a kind of systems for air-introduced machine movable vane, may be implemented in air-introduced machine movable vane
Adjusting break down when, can make run operator identify air-introduced machine move leaf divergence and by manually intervene keep
Blower operates normally.
To achieve the goals above, the utility model provides a kind of system for air-introduced machine movable vane, which includes:
One control module, is used for: judging whether the adjusting to the air-introduced machine movable vane breaks down;And motor-driven for the air inducing
The adjusting of leaf transmits action command when breaking down;Connectivity module is connect with first control module, described dynamic for receiving
Make to instruct and acted according to the action command to be connected to first control module and the second control module, so that institute
The first control module is stated via the connectivity module to the second control module transmission fault alarm signal and the air-introduced machine
Dynamic leaf divergence;And second control module, connect with the connectivity module, for show the failure alarm signal and
It the aperture and is manually controlled being switched to the adjusting of the air-introduced machine movable vane.
Optionally, system further include: display module is connect with the connectivity module, and the connectivity module is also used to
First control module and the display module are connected to when being acted according to the action command, so that first control
Molding block moves leaf divergence to the display module transmission fault alarm signal and the air-introduced machine via the connectivity module, with
The display module is set to show the failure alarm signal and the aperture.
Optionally, the connectivity module is relay, wherein the normally opened contact of the relay and the second control mould
Block series connection.
Optionally, the normally opened contact of the relay is also connected with the display module.
Through the above technical solutions, being connected to the first control module and the when the adjusting to air-introduced machine movable vane is broken down
Two control modules, allow the first control module opening to the second control module transmission fault alarm signal and air-introduced machine movable vane
Degree, the second control module show that failure alarm signal can remind operation operator in time, and the second control module shows aperture
It can to run the practical aperture that operator identifies air-introduced machine movable vane;Second control module is receiving failure alarm signal
It manually controls being switched to the adjusting of air-introduced machine movable vane so that running operator can manually control to air-introduced machine movable vane
Adjusting, to realize that, when breaking down, operation operator takes correct, effective measures to keep blower normally to transport in time
Row.In this way, realizing when the adjusting to air-introduced machine movable vane is broken down, operation operator can be made to identify that air inducing is motor-driven
Leaf divergence and by manually intervene keep blower operate normally.
Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
Attached drawing is to further understand for providing to the utility model embodiment, and constitute part of specification,
It is used to explain the utility model embodiment together with following specific embodiment, but does not constitute to the utility model embodiment
Limitation.In the accompanying drawings:
Fig. 1 is PLC control cabinet feedback output wiring diagram;
Fig. 2 is that the output of PLC control cabinet failure resets wiring diagram;
Fig. 3 is PLC control cabinet integral arrangement plan view;
Fig. 4 is the structural block diagram for the system for air-introduced machine movable vane that an embodiment of the present invention provides;
Fig. 5 is the structural block diagram for the system for air-introduced machine movable vane that another embodiment of the utility model provides;
Fig. 6 is that the PLC control cabinet failure output that another embodiment of the utility model provides resets wiring diagram;And
Fig. 7 is the PLC control cabinet feedback output wiring diagram that another embodiment of the utility model provides.
Description of symbols
1 first control module, 2 connectivity module
3 second control module, 4 display module
Specific embodiment
It is described in detail below in conjunction with specific embodiment of the attached drawing to the utility model embodiment.It should be understood that
It is that specific embodiment described herein is merely to illustrate and explains the utility model embodiment is not limited to this reality
Use new embodiment.
The utility model embodiment provides a kind of system for air-introduced machine movable vane.Fig. 4 is an embodiment of the present invention
The structural block diagram of the system for air-introduced machine movable vane provided.As shown in figure 4, the system includes the first control module 1, connection mould
Block 2 and the second control module 3, connectivity module 2 connect the first control module 1 and the second control module 3.First control module 1 is sentenced
It is disconnected whether to break down to adjustings of air-introduced machine movable vane and the transmission movement when the adjusting for air-introduced machine movable vane is broken down
Instruction.Connectivity module 2 is connect with the first control module 1, from the first control module 1 receive action command and according to action command into
Action is made to be connected to the first control module 1 and the second control module 3.In the connection of connectivity module 2 first control module 1 and the second control
After molding block 3, the first control module 1 is motor-driven to 3 transmission fault alarm signal of the second control module and air inducing via connectivity module 2
Leaf divergence.Second control module 3 receives failure alarm signal and the dynamic leaf divergence of air-introduced machine via connectivity module 2 and shows event
Hinder alarm signal and aperture, reminds operation operator to break down to the adjusting of air-introduced machine movable vane and to run with timely
Operator identifies that air-introduced machine moves leaf divergence.In addition, the second control module 3 will also switch to hand to the adjusting of air-introduced machine movable vane
Dynamic control, so that operation operator can be by manually controlling the adjusting to air-introduced machine movable vane, to keep blower normal.It can
Selection of land, connectivity module are relays, and the normally opened contact of relay is connected with the second control module 3.When the tune to air-introduced machine movable vane
Section break down when, the first control module 1 to relay transmit action command, relay the case where receiving action command into
Action is made so that its normally opened contact is closed, in this way, relay is connected to the first control module 1 and the second control module 3, the first control
Module 1 moves leaf divergence to 3 transmission fault alarm signal of the second control module and air-introduced machine via relay.Optionally, first
Control module 1 is PLC.Optionally, the second control module 3 is DCS.
When the adjusting to air-introduced machine movable vane is broken down, it is connected to the first control module and the second control module, so that the
One control module can move leaf divergence to the second control module transmission fault alarm signal and air-introduced machine, and the second control module is aobvious
Show that failure alarm signal can remind operation operator in time, the second control module shows that aperture can to run operator
The practical aperture of member's identification air-introduced machine movable vane;Second control module is receiving failure alarm signal for the tune to air-introduced machine movable vane
Section, which switches to, to be manually controlled so that adjusting to air-introduced machine movable vane can be manually controlled by run operator, is being occurred with realization
When failure, operation operator takes correct, effective measures to keep blower to operate normally in time.In this way, realizing right
When the adjusting of air-introduced machine movable vane is broken down, it can to run the dynamic leaf divergence of operator's identification air-introduced machine and pass through hand
Dynamic holding blower of intervening operates normally.In addition, operation operator can take correct, effective in time when breaking down
Measure reduces the psychological pressure of operation operator to keep blower to operate normally, and greatly improves air-introduced machine operation
Security and stability reduces the risk of unit outage when air-introduced machine is abnormal situation in the process of running, to ensure that machine
Set of long-period safe and stable operation improves the safety and stability performance of unit, improves the economic benefit of unit, reduce unit
Equipment moves back standby maintenance number, reduces the risk of unit equipment, improves the security reliability of unit equipment.
Fig. 5 is the system for air-introduced machine movable vane that another embodiment of the utility model provides.System shown in fig. 5 and figure
System shown in 4 the difference is that, system shown in fig. 5 further includes display module 4.Display module 4 and connectivity module 2 connect
It connects.Connectivity module 2 is also connected to 1 He of the first control module when the action command transmitted according to the first control module 1 is acted
Display module 4.First control module 1 is via connectivity module 2 to 4 transmission fault alarm signal of display module and air-introduced machine movable vane
Aperture, display module 4 show failure alarm signal and aperture.Wherein, which is mounted in PLC control cabinet.It is optional
Ground, connectivity module 2 are relays, and the normally opened contact of relay is also connected with display module 4.
Fig. 6 is the PLC control cabinet failure output connection figure that another embodiment of the utility model provides.In this embodiment,
The adjusting to air-introduced machine movable vane is controlled using PLC control cabinet.First control module described in the utility model embodiment is
PLC, connectivity module are power transfer relay K4 (relay as in above-described embodiment), and the second control module is DCS.
As shown in fig. 6, normally opened contact 13-14 (including wire size K4:13 connecting terminal and the wire size K4:14 terminals of power transfer relay K4
Son) it connects with DCS (control room i.e. shown in figure), in addition, wire size K4:13 connection wire size S1:3, wire size K4:14 connection wire size
It is the fault reset switch in PLC control cabinet that wire size S1:3 and wire size S1:4, S1 are not shown in S1:4, Fig. 6.And to air inducing
When the adjusting of motor-driven leaf is broken down, failure alarm signal by fault reset switch S1 normally opened contact 3-4 (including wire size S1:3
DCS is transmitted to wire size S1:4).Therefore, when the normally opened contact 13-14 of power transfer relay K4 closure, normally opened touching can be passed through
Point 13-14 is to DCS transmission fault alarm signal.In addition, when power transfer relay K4 is acted, DCS is not in bad breaking down
Point, PLC transmit air-introduced machine to DCS by the 13-14 of power transfer relay K4 and move leaf divergence.In this way, to air-introduced machine movable vane
When adjusting failure, leaf divergence can be moved to DCS transmission fault alarm signal and air-introduced machine in time simultaneously, DCS is connecing
It receives to switch to the adjusting of air-introduced machine movable vane after failure alarm signal and manually control.
Specifically, in this embodiment, PLC control cabinet has done following adjustment (referring to Fig.1, Fig. 2, Fig. 6 and Fig. 7):
1) by rectangle frame mark power transfer relay K4 output contact 11-12 in Fig. 1, (K4 power transfer relay auxiliary is normally closed to be connect
Point) cancel;
2) by rectangle frame mark fault reset switch S1 auxiliary contact 3-4 in Fig. 2, (fault reset switch S1 auxiliary is normally opened
Contact) cancel, it is changed to concatenate into K4 power transfer relay auxiliary normal opened contact 13-14.
Specific improvement project are as follows:
1) power transfer relay K4 normally closed contact K4:11, K4:12 connecting terminal is disconnected, then disconnects wire size K4:11 connecting terminal
Be connected to K3 output isolating transmitter input wires UB+ terminal wire size be K3:7 wiring, by connecting terminal wire size K4:12 directly across
It is connected on K3 output isolating transmitter input wires terminal UB+ terminal, as shown in Figure 7.
2) fault reset switch S1 auxiliary normal opened contact S1:3 and S1:4 wiring are disconnected, then wire size S1:3 is connected to failure
On the wire size K4:13 connecting terminal of relay K4 normally opened contact 13-14, wire size S1:4 is connected to power transfer relay K4 normally opened contact
On the wire size K4:14 connecting terminal of 13-14, as shown in Figure 6.
After improvement, when air-introduced machine movable vane adjustment process breaks down, failure alarm signal is exported immediately to DCS, is reminded
Operations staff is manually controlled note that simultaneously adjusting the side air-introduced machine movable vane by automatically switching to, and its movable vane aperture is output to
DCS is also no longer shown as bad point, in this way, the risk of the practical aperture of air-introduced machine can not be identified by both avoiding operation operator,
Avoid because failure do not trigger not by movable vane by automatically control be switched to manually due to can not normal manual adjust risk, be greatly improved
The security and stability of air-introduced machine operation, reduces the wind of unit outage when air-introduced machine is abnormal situation in the process of running
Danger, to ensure that machine set of long-period safe and stable operation.
In conclusion being connected to the first control module and the second control mould when the adjusting to air-introduced machine movable vane is broken down
Block allows the first control module to move leaf divergence to the second control module transmission fault alarm signal and air-introduced machine, and second
Control module shows that failure alarm signal can remind operation operator in time, and the second control module shows that aperture can make
Run the practical aperture that operator identifies air-introduced machine movable vane;Second control module receive failure alarm signal will be to air inducing
The adjusting of motor-driven leaf, which switches to, to manually control so that adjusting to air-introduced machine movable vane can be manually controlled by running operator, with
Realize that, when breaking down, operation operator takes correct, effective measures to keep blower to operate normally in time.In this way,
It realizes when the adjusting to air-introduced machine movable vane is broken down, can to run the dynamic leaf divergence of operator's identification air-introduced machine
And blower is kept to operate normally by intervening manually.In addition, operation operator can take in time just when breaking down
Really, effective measures reduce the psychological pressure of operation operator, greatly improve air inducing to keep blower to operate normally
The security and stability of machine operation, reduces the risk of unit outage when air-introduced machine is abnormal situation in the process of running, thus
It ensure that machine set of long-period safe and stable operation, improve the safety and stability performance of unit, improve the economic benefit of unit, subtract
That has lacked unit equipment moves back standby maintenance number, reduces the risk of unit equipment, improves the security reliability of unit equipment.
The optional embodiment of the utility model embodiment, still, the utility model is described in detail in conjunction with attached drawing above
Embodiment be not limited to the above embodiment in detail can in the range of the technology design of the utility model embodiment
A variety of simple variants are carried out with the technical solution to the utility model embodiment, these simple variants belong to the utility model reality
Apply the protection scope of example.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the utility model is implemented
No further explanation will be given to various combinations of possible ways for example.
In addition, any combination can also be carried out between a variety of different embodiments of the utility model embodiment, as long as
It equally should be considered as the utility model embodiment disclosure of that without prejudice to the thought of the utility model embodiment.
Claims (4)
1. a kind of system for air-introduced machine movable vane, which is characterized in that the system includes:
First control module, is used for:
Judge whether the adjusting to the air-introduced machine movable vane breaks down;And
Action command is transmitted when the adjusting for the air-introduced machine movable vane is broken down;
Connectivity module is connect with first control module, for receive the action command and according to the action command into
Action is made to be connected to first control module and the second control module, so that first control module is via the connection
Module moves leaf divergence to the second control module transmission fault alarm signal and the air-introduced machine;And
Second control module, connect with the connectivity module, for show the failure alarm signal and the aperture with
And it is manually controlled being switched to the adjusting of the air-introduced machine movable vane.
2. system according to claim 1, which is characterized in that the system further include: display module, with the connectivity module
Connection,
The connectivity module be also used to be connected to when being acted according to the action command first control module with it is described
Display module, so that first control module is via the connectivity module to the display module transmission fault alarm signal
Leaf divergence is moved with the air-introduced machine, so that the display module shows the failure alarm signal and the aperture.
3. system according to claim 2, which is characterized in that the connectivity module is relay, wherein the relay
Normally opened contact connect with second control module.
4. system according to claim 3, which is characterized in that the normally opened contact of the relay also with the display module
Series connection.
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CN201820631730.5U CN209494747U (en) | 2018-04-28 | 2018-04-28 | System for air-introduced machine movable vane |
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CN201820631730.5U CN209494747U (en) | 2018-04-28 | 2018-04-28 | System for air-introduced machine movable vane |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112253518A (en) * | 2020-10-15 | 2021-01-22 | 国电泉州热电有限公司 | Fan moving blade control method and device |
CN113007120A (en) * | 2021-02-18 | 2021-06-22 | 山西光兴光电科技有限公司 | Control method and device of induced draft system |
CN113775552A (en) * | 2021-09-30 | 2021-12-10 | 华能太仓发电有限责任公司 | Method for prejudging broken pin of movable blade of fan |
-
2018
- 2018-04-28 CN CN201820631730.5U patent/CN209494747U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112253518A (en) * | 2020-10-15 | 2021-01-22 | 国电泉州热电有限公司 | Fan moving blade control method and device |
CN112253518B (en) * | 2020-10-15 | 2022-01-07 | 国能(泉州)热电有限公司 | Fan moving blade control method and device |
CN113007120A (en) * | 2021-02-18 | 2021-06-22 | 山西光兴光电科技有限公司 | Control method and device of induced draft system |
CN113007120B (en) * | 2021-02-18 | 2022-08-16 | 山西光兴光电科技有限公司 | Control method and device of induced draft system |
CN113775552A (en) * | 2021-09-30 | 2021-12-10 | 华能太仓发电有限责任公司 | Method for prejudging broken pin of movable blade of fan |
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