CN206487663U - Pipe gallery blower fan industry bus control system - Google Patents
Pipe gallery blower fan industry bus control system Download PDFInfo
- Publication number
- CN206487663U CN206487663U CN201720065235.8U CN201720065235U CN206487663U CN 206487663 U CN206487663 U CN 206487663U CN 201720065235 U CN201720065235 U CN 201720065235U CN 206487663 U CN206487663 U CN 206487663U
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- China
- Prior art keywords
- blower fan
- relay
- control
- loop
- bus
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Abstract
The utility model discloses a kind of industrial bus control system of pipe gallery blower fan, in control system based on prior art, the system is connected with change-over switch SA in control loop, mono- grade of change-over switch SA is connected to control loop, other one grade is connected in bus, bus is connected with controller, is switched by change-over switch SA gearshift, realizes the manual and remote auto control of blower fan.Real-time remote control and monitoring can be realized by change-over switch SA selection.
Description
Technical field
The utility model is related to a kind of industrial bus control system of pipe gallery blower fan.
Background technology
Urban Underground pipe gallery system complex, maintenance difficult, its is automatically controlled usually using hand control, operationally deposits
In certain inconvenience, more it is a lack of control in real time and feeds back.
And be that circuit is long the characteristics of Urban Underground pipe gallery maximum, detection device quantity is more, and a fire prevention segmentation is at least
200 meters or so, most control system is all one to two fire prevention one PLC control stations of subsection setup, and piping lane collection point is come relatively
Say also more dispersed, often there are several I/O signals to the signal acquisition of an equipment.If using conventional connections mode, directly
The point-to-point rigid line connection of I/O modules with PLC is connect, laying-out is long, and number of cables is more, and construction current cost is very high, runs the phase
Failure is relatively more, and maintenance is also larger.
The content of the invention
In consideration of it, the utility model provides a kind of pipe gallery blower fan industrial bus control system, this system can pass through
Manual switching selection is controlled or remote auto control manually, and for remote auto control, its wire laying mode uses industrial bus
Technology, and realize by the corresponding means of communication transmission of data.
According to one side of the present utility model there is provided a kind of industrial bus control system of pipe gallery blower fan, it is based on
In the control system of prior art, the system is connected with change-over switch SA in control loop, and mono- grade of change-over switch SA is connected to
Control loop, one grade is connected in bus in addition, and bus is connected with controller, is switched by change-over switch SA gearshift, realized
The manual and remote auto control of blower fan.Thus, it is possible to by change-over switch SA selection, realize real-time remote control and prison
Control, failure can be found in time, is fixed a breakdown in time.Using bussing technique, numerous and diverse installation work can be avoided, is saved into
This, utilizes terminal extension equipment.
In some embodiments, controller uses PLC, and blower fan is then connected on primary circuit, control loop
Including starting-up later time, loop is closed；Starting-up later time connect for control the first relay KM of normally opened contact on primary circuit with
And starting switch, close loop and be in series with the second relay KA2 and closing switch, the second relay KA2 normally-closed contact respectively
It is series on the starting-up later time.Using PLC and correlation relay group into control loop, can be severe
Stably worked under underground environment, and its design is simple.
In some embodiments, starting-up later time is also parallel with intermediate loop, and the first relay KM is series at into centre
Loop, starting-up later time is then connected the 3rd relay KA1, and the 3rd relay KA1 normally opened contact is series in intermediate loop, middle
Loop is connected on power supply by change-over switch SA, and a gear of the change-over switch SA is also accessed in bus.
In some embodiments, control loop also includes fire-fighting control loop, and fire-fighting control loop includes the 4th relay
Device K1, starting-up later time and intermediate loop are in series with the normally-closed contact of the 4th relay K1 respectively.Control the of fire-fighting loop
Four relay K1, can control to be laid in starting-up later time and the normally-closed contact of intermediate loop, when occurring fire, can make it
Action, so as to reach the purpose of cut-out circuit.
Brief description of the drawings
Fig. 1 is the control principle drawing of the embodiment of the utility model one；
Fig. 2 is primary circuit schematic diagram；
Fig. 3 is the utility model fan interface circuit theory diagrams；
Fig. 4 is interface communication stipulations instruction format figure of the present utility model；
Fig. 5 is interface communication stipulations figure of the present utility model；
Fig. 6 is electrical schematic diagram of the present utility model；
Fig. 7 is electrical schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 schematically shows the pipe gallery blower fan industrial bus control according to a kind of embodiment of the present utility model
System processed.As illustrated, in control system of the system based on prior art, the system is connected with conversion in control loop and opened
SA is closed, mono- grade of change-over switch SA is connected to control loop, and one grade is connected in bus in addition, and bus is connected with controller, passes through
Change-over switch SA gearshift switching, realizes the manual and remote auto control of blower fan.Thus, it is possible to pass through change-over switch SA choosing
Select, realize real-time remote control and monitoring, failure can be found in time, is fixed a breakdown in time.Using bussing technique, it can keep away
Exempt from numerous and diverse installation work, save cost, utilize terminal extension equipment.
PW will be indicated after control loop 10 is powered, and change-over switch SA carries out manual and remote auto control mould on the spot
Formula switches, when change-over switch SA is in manual mode on the spot, when pressing blower fan start button SF on local operation case, or in 1#
Blower fan start button QA1 is pressed on entrance button box, or presses on 2# entrance button boxes blower fan start button QA2, or in 3#
Blower fan start button QA3 is pressed on entrance button box, or is pressed on 4# entrance button boxes after blower fan start button QA4, the 3rd
Relay KA1 coil obtains electric, at the same its auxiliary contact adhesive carry out startup self-locking, keep the 3rd relay KA1 coil after
It is electricly continuous, the 3rd relay KA1 coil obtain it is electric after its auxiliary contact adhesive, contactor KM coils obtain electric, its main contacts adhesive,
Blower motor M1 must electrically activate operation, while the first relay KM auxiliary contact adhesive, fan operation indicator lamp PR is lighted.When
Blower fan stop button SS is pressed on local operation case or presses blower fan stop button QA5 on 1# entrance button boxes or enters in 2#
Blower fan stop button QA6 is pressed on mouth button box or is pressed blower fan stop button QA7 on 3# entrance button boxes or is entered in 4#
Pressed on mouth button box after blower fan stop button QA8, the second relay KA2 coils obtain electric, while its auxiliary contact disconnects, the 3rd
Relay KA1 coil losing electricities, the 3rd relay KA1 auxiliary contact self-locking disconnects, the first relay KM coil losing electricities, the first relay
Device KM main contacts disconnects, and blower motor power-off, blower fan is out of service.When change-over switch SA is in remote auto pattern, RIO
（PLC）Auxiliary magnet passes through the control fan operation of PLC, the 4th relay K1 control blower fan stoppings.Simultaneously as blower fan master
Loop heat is when KH is breaking, or during disconnecting link QF open circuits, power transfer relay KA3 coils obtain electric, and malfunction indicator lamp PY is lighted.
Air-blower control principle：
Primary circuit：Primary circuit is by blower fan M1, circuit breaker Q F, the first relay KM, electrothermal relay KH compositions.
If the first relay KM adhesives, blower fan is rotated, during operation, if electrothermal relay KH disconnects, then it represents that
Motor overload, then electrothermal relay KH disconnections, blower fan is out of service.Treat that fan trouble is solved, electrothermal relay KH recovers, connect first
Relay KM, blower fan is normally run.Such as there are short-circuit conditions, then cut-off breaker QF1, failure auxiliary contact are auxiliary by failure
Contact is helped to notify PLC, fan operation failure treats that fan trouble is solved, closes breaker, blower fan is normally run.
When blower fan is normally run, if the first relay KM disconnects, motor is out of service.
Control loop：Control loop is divided into remote auto control and on the spot control manually.
Remote auto control controls to select the controlling party of blower fan by the rotation of automatic/hand rotary switch on the spot manually
Formula.Manual authority is maximum.
If automatic/hand rotary switch is placed in manual position on the spot, the manual contact of rotary switch connects 1,3 connections, rotation
The remote auto control contact 3,4 of switch is disconnected, and 7,8 contacts of rotary switch are off, rotary switch 7,8 contacts
For without source point, the control mode to PLC feed back on-site blower fans is manual on the spot.Manual control mode is by start button on the spot
(SF, QA1, QA2, QA3, QA4) and stop button (SS, QA5, QA6, QA7, QA8) control the 3rd relay KA1 adhesive and
Second relay KA2 disconnection, control the first relay KM adhesive and disconnection, carry out on the spot manually control blower fan operation/
Stop.If fan operation, the green run indicator of fan control box panel is bright (PR), green if blower fan is in halted state
Color (PR) run indicator is gone out.While control manually on the spot, remote auto control is can not to be controlled blower fan.
If automatic/hand rotary switch is placed in remote auto position, the manual contact of rotary switch connects 1,3 disconnections, rotation
The remote auto control contact 3,4 of switch is connected, 7,8 contacts of rotary switch in an ON state, rotary switch 7,8 contacts
For without source point, the control mode to PLC feed back on-site blower fans is remote auto.Remote auto control is to control RIO by PLC
(PLC) on/off of opened point is controlled the first relay KM adhesive/disconnection, carries out remote auto control blower fan
Operation/stopping.If fan operation, the green run indicator of fan control box panel is bright (PR), if blower fan, which is in, stops shape
State, green (PR) run indicator is gone out.In the state of automatic/hand rotary switch is placed in remote auto position, on the spot manually
By hand push button, threeth relay KA1 and second relay KA2 on/off can be controlled, the first relay KM's of control
Adhesive and disconnection, can also control operation/stopping of blower fan, while green run indicator (PR) turns on/off.This is due to manual power
Limit highest.
When motor M1 is told about in primary circuit overload fault occur, electrothermal relay KH disconnects.While electrothermal relay KH
Auxiliary normally-closed contact disconnect, now control loop is then disconnected, the first relay KM then from adhesive filling go off state.
First relay KH auxiliary normally opened contact adhesive emergency light (PY) is bright, hinders relay KA3 adhesives, by barrier relay KA3
Contact be connected on PLC, PLC receives fan trouble for overload fault.
Fire-fighting is controlled：
Fan operation state：If when fire occurs, no matter blower fan is in manual or remote auto state, fire on the spot
Controlling alarm main frame controls the 4th relay K1 adhesives by fire-fighting bus I/O modules, then the normally closed point of control loop is disconnection shape
State, the normally closed of relay K1 of hand push button loop the 4th is bottomed out, and is all off-state, either manually/remote auto control on the spot
Fan operation processed, all stops operating blower fan；And simultaneously by relay KM1 normally-closed contact in fan operation state
The connection for being disconnected to blower fan halted state, pass through bus I/O module feedback signals to the fire-fighting of fire alarming and controlling main frame.It is this
State is until fire alarm is released.Then fire alarming and controlling main frame is not controlling the 4th relay by fire-fighting bus I/O modules
Normally off is recovered in device K1, the 4th relay K1 control loops and hand push button loop, and blower fan is then by manually/remote auto on the spot
Control.
Blower fan halted state：If when fire occurs, no matter blower fan is in manual or remote auto state, blower fan on the spot
In halted state.Fire alarming and controlling main frame controls the 4th relay K1 adhesives by fire-fighting bus I/O modules, then controls back
The normally closed point in road is off-state, and hand push button loop normally-closed contact K1 is all off-state, blower fan then halted state always, it is impossible to
Open, while giving fire report by the connection for being disconnected to blower fan halted state in fan operation state by KM1 normally-closed contact
Alert control main frame fire-fighting passes through bus I/O module feedback signals.This state is until fire alarm is released.Then fire alarm control
Main frame processed is not controlling the 4th relay K1, the 4th relay K1 control loops and hand push button by fire-fighting bus I/O modules
Normally off is recovered in loop, and blower fan is then controlled by manually/remote auto on the spot.
Formulated for the ease of remote control and communication interface agreement, interface circuit design below figure 3：
According to Fig. 3, the design of EBI communications protocol is as follows：
Bus uses RS232 serial ports Frees（User Defined）Communication protocol；Traffic rate：9600BPS, 8 data
Position, no parity check position, communication character total length is 8 characters, and it 4 is character that wherein information, which is, and message ending character is " 16#DE "；
It is " 01 02 XX XX XX XX DE DE ", communication interface that PLC sends the beginning of control command message to communication interface
It is " 02 01 XX XX XX XX DE DE " to send state message beginning to PLC.
Communication protocol below figure 4 in summary：
Stipulations control instruction below figure 5：
Fig. 5：Interface communication stipulations
Stipulations control sequence is as follows：
A. when blower fan is under distance control mode, during such as artificial or program automatic start blower fan, PLC is first to IO
Control interface send sequence number 1 status inquiry command " Test 0 ", i.e. status inquiry command message be " 01 02 00 00 00
00 DE DE”；
B. equipment I/O interface receives PLC status inquiry command " after Test 0 ", according to each dotted state return of interface
" states 1 " Fan Equipment state message；
C.PLC controllers receive Fan Equipment state message, and " states 1 " analyzes now equipment state, such equipment is not
Operation, in remote auto pattern, fault-free, cut signal by force without fire-fighting when, i.e., equipment state message " states 1 " be " 02
During 01 00 01 00 00 DE DE ", it is believed that equipment possesses service condition, PLC prepares to send sequence number " 2 "
" StartStop 2 " blower fan starts order；Such equipment is in operation or in manual mode on the spot or faulty or have
When signal or message error are cut by force in fire-fighting, PLC will stop sending blower fan startup order, while being alarmed on monitored picture, and show
Show concrete reason.
D. prepare to send " StartStop 2 " the blower fan startup of sequence number " 2 " when equipment I/O interface receives PLC
Order, i.e., " 01 02 00 00 00 01 DE DE " export corresponding startup pin high level（DC24V）Signal, when blower fan fortune
State message is returned after row, and " StartStop Ok 3 ", i.e., " 02 01 00 01 01 00 DE DE ", such as PLC is in rule
This bar state return signal is not have received in the fixed time, it will be considered that equipment fault, in order to ensure equipment and personal safety, PLC
Controller and then send sequence number " 2 " " StartStop 2 " blower fan is ceased and desisted order, i.e. " 01 02 00 00 00 10 DE
DE”。
E. after blower fan is normally run, equipment I/O interface will regularly be sent to the equipment running status of PLC sequence number " 3 "
" ErrorOkStates 5 " informs the running status of PLC device in real time, and show in monitored picture to message.As PLC does not exist
Receive that " 02 01 00 01 01 00 DE DE " state message, PLC will send sequence number in predetermined time interval
" 2 " " StartStop 2 " blower fan is ceased and desisted order message.
F. after blower fan is normally run, blower fan is stopped if desired for operation, PLC will send sequence number " 2 "
" StartStop 2 " blower fan is ceased and desisted order, i.e., " 01 02 00 00 00 10 DE DE " messages stop the operation of blower fan.
Above-described is only some embodiments of the present utility model.For the person of ordinary skill of the art,
On the premise of the utility model creation design is not departed from, various modifications and improvements can be made, these belong to this practicality
New protection domain.
Claims (4)
1. pipe gallery blower fan industry bus control system, it is characterised in that in being connected with change-over switch SA, institute in control loop
State mono- grade of change-over switch SA and be connected to control loop, one grade is connected in bus in addition, and the bus is connected with controller, passes through
The gearshift switching of the change-over switch SA, realizes the manual and remote auto control of blower fan.
2. the industrial bus control system of pipe gallery blower fan according to claim 1, it is characterised in that the controller is
PLC, the blower fan is connected on primary circuit (30), and the control loop includes starting-up later time (10), closes loop
(20), the starting-up later time (10) is connected for the first relay KM and the startup for controlling normally opened contact on primary circuit (30)
Switch (101), the closing loop (20) is in series with the second relay KA2 and closing switch (201), second relay respectively
Device KA2 normally-closed contact is series on the starting-up later time (10).
3. the industrial bus control system of pipe gallery blower fan according to claim 2, it is characterised in that the starting-up later time
(10) intermediate loop (102) is also parallel with, and the first relay KM is series at intermediate loop (102), starting-up later time
(10) then connected the 3rd relay KA1, and the 3rd relay KA1 normally opened contact is series in intermediate loop (102), the centre
Loop (102) is connected on power supply by change-over switch SA, and a gear of the change-over switch SA is also accessed in bus.
4. the industrial bus control system of pipe gallery blower fan according to claim 3, it is characterised in that the control loop
Also include fire-fighting control loop (30), the fire-fighting control loop (30) includes the 4th relay K1, the starting-up later time (10)
It is in series with the normally-closed contact of the 4th relay K1 respectively with intermediate loop (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720065235.8U CN206487663U (en) | 2017-01-17 | 2017-01-17 | Pipe gallery blower fan industry bus control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720065235.8U CN206487663U (en) | 2017-01-17 | 2017-01-17 | Pipe gallery blower fan industry bus control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206487663U true CN206487663U (en) | 2017-09-12 |
Family
ID=59767460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720065235.8U Expired - Fee Related CN206487663U (en) | 2017-01-17 | 2017-01-17 | Pipe gallery blower fan industry bus control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206487663U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113759808A (en) * | 2021-09-29 | 2021-12-07 | 湖北三江航天万峰科技发展有限公司 | Fan monitoring system, method and device and computer storage medium |
-
2017
- 2017-01-17 CN CN201720065235.8U patent/CN206487663U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113759808A (en) * | 2021-09-29 | 2021-12-07 | 湖北三江航天万峰科技发展有限公司 | Fan monitoring system, method and device and computer storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170912 Termination date: 20210117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |