CN104882854B - Hydraulic station electrical control protection device - Google Patents
Hydraulic station electrical control protection device Download PDFInfo
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- CN104882854B CN104882854B CN201510269966.XA CN201510269966A CN104882854B CN 104882854 B CN104882854 B CN 104882854B CN 201510269966 A CN201510269966 A CN 201510269966A CN 104882854 B CN104882854 B CN 104882854B
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Abstract
The invention discloses a kind of hydraulic station electrical control protection device, it includes major loop and control loop, and the major loop includes three-phase breaker, 7 A.C. contactors, 3 transformer groups, 3 intellectual motor protections and 3 three-phase alternating current output ports；The control loop includes air-break, DC relay, Switching Power Supply, PLC, radio receiving transmitting module, direct-flow storage battery, touch-screen, isolator, 220V ac output ends mouth, pressure transmitter external-connected port, thermocouple external-connected port.The present invention can export three road 380V alternating voltages and all the way 220V alternating voltages simultaneously, meet the service requirement of a circulating pump and two main oil pump motor and heater in hydraulic station；The present invention is safer compared to the interim electrical control gear of existing hydraulic station, more efficient.
Description
Technical field
The invention belongs to the field of electrical control of hydraulic station electromotor, and in particular to a kind of electric-controlled of middle-size and small-size hydraulic station
Protection device processed.
Background technology
In metallurgical engineering work progress, scene can test the systemic electrical control of hydraulic station mechanical condition because lacking
Protection device, can not often judge the situation of hydraulic station mechanical device, be the tune of the device such as hydraulic valve and executing agency below
Try trial run work and prerequisite is provided, and the work such as hydraulic power unit mechanical verification and self-loopa test run generally requires lasting progress two
More than it, in the case where regulator cubicle, control cabinet, the electric mounting condition of PLC system do not possess, if can not be in advance to hydraulic station
The operation of motor provides debugging, then it cannot be guaranteed that being smoothed out of subsequently debugging and ensuring the construction period.
The debugging of hydraulic station electromotor is realized by electrical control protection device, but existing electric controling mode is generally adopted
The start and stop of motor are realized with external temporary source and easy controlling switch, this method has inefficiency and dangerous
The problem of, it is delayed to be easily caused the hydraulic station debugging construction period, influences the construction of whole engineering.
The content of the invention
It is an object of the invention to provide a kind of simple in construction, safety, the hydraulic station electrical control protection device of efficiency high.
The present invention controls the cut-out of external breaking device by remote closing, and using intellectual motor protection to electricity
Motivation is protected, and realizes the control to major loop and the protection to motor, it is adaptable to which the interim of live hydraulic station changes trains or buses to adjust
Examination.
What the present invention was realized in：
A kind of hydraulic station electrical control protection device, it includes major loop and control loop,
The major loop includes power input port WA0, the power input port WA0With three-phase breaker QF11,2,
No. 3 end connections, three-phase breaker QF14,5, No. 6 ends respectively with the first A.C. contactor KM1Normal open switch 1,2, No. 3 ends
Connection, the first A.C. contactor KM1Normal open switch 4,5, No. 6 ends be connected with the first three-phase alternating current output port, this first
Three-phase alternating current output port is connected with the three-phase input end of 1# main pump motor；First A.C. contactor KM1Normal open switch
4th, 5, No. 6 ends are connected by first fuse with the first intellectual motor protection；And the first A.C. contactor KM1Normally opened open
Close 4,5, the wire that is connected with the first three-phase alternating current output port of No. 6 ends provided with the first transformer group and the first transformer,
The first transformer group and the first transformer and the first intellectual motor protection BHQ1Connection；
First A.C. contactor KM1Normal open switch 1,2, No. 3 ends respectively with the second A.C. contactor KM2Normally opened open
Close 3,2, No. 1 end connection, the first A.C. contactor KM1Normal open switch 4,5, No. 6 ends respectively with the second A.C. contactor
KM2Normal open switch 4,5, No. 6 end connections；
Three-phase breaker QF14,5, No. 6 ends respectively with the 3rd A.C. contactor KM3Normal open switch 1,2, No. 3 ends connect
Connect, the 3rd A.C. contactor KM3Normal open switch 4,5, No. 6 ends be connected with the second three-phase alternating current output port, the two or three
Cross streams output port is connected with the three-phase input end of 2# main pump motor；3rd A.C. contactor KM3Normal open switch 4,
5th, No. 6 ends are connected by second fuse with the second intellectual motor protection；And the 3rd A.C. contactor KM3Normal open switch
4,5, the wire that be connected with the second three-phase alternating current output port of No. 6 ends provided with the second transformer group and the second transformer, this
Second transformer group and the second transformer and the second intellectual motor protection BHQ2Connection；
3rd A.C. contactor KM3Normal open switch 1,2, No. 3 ends respectively with the 4th A.C. contactor KM4Normally opened open
Close 3,2, No. 1 end connection, the 3rd A.C. contactor KM3Normal open switch 4,5, No. 6 ends respectively with the 4th A.C. contactor
KM4Normal open switch 4,5, No. 6 end connections；
Three-phase breaker QF14,5, No. 6 ends respectively with the 5th A.C. contactor KM5Normal open switch 1,2, No. 3 ends connect
Connect, the 5th A.C. contactor KM5Normal open switch 4,5, No. 6 ends be connected with the 3rd three-phase alternating current output port, the three or three
The three-phase input end that cross streams output port circulates pump motor with hydraulic station is connected；5th A.C. contactor KM5Normally opened open
Close 4,5, No. 6 ends are connected by the 3rd fuse with three-motor intellective protector；And the 5th A.C. contactor KM5It is normal
Switch 4,5, the wire that is connected with the 3rd three-phase alternating current output port of No. 6 ends is provided with the 3rd transformer group and the 3rd mutual inductance
Device, the 3rd transformer group and the 3rd transformer and three-motor intellective protector BHQ3Connection；
5th A.C. contactor KM5Normal open switch 1,2, No. 3 ends respectively with the 6th A.C. contactor KM6Normally opened open
Close 3,2, No. 1 end connection, the 5th A.C. contactor KM5Normal open switch 4,5, No. 6 ends respectively with the 6th A.C. contactor
KM6Normal open switch 4,5, No. 6 end connections；
The control loop includes AC transformer LCB, AC transformer LCB 1, No. 2 ends respectively with three-phase breaker
QF15, No. 6 end connections, AC transformer LCB 3, No. 4 end and air-break QF21, No. 3 end connections, air-break
QF22, No. 4 ends pass through Switching Power Supply BC and the first radio receiving transmitting module WX1Connection, the first radio receiving transmitting module WX1Connection with
PLC is connected；Air-break QF22, No. 4 ends be connected with PLC, Switching Power Supply BC connects with PLC
Connect；Air-break QF22, No. 4 ends pass through the 7th A.C. contactor KM7Normal open switch connection after output is exchanged with 220V again
End connection, the 220V ac output ends are connected with hydraulic station heater；7 control ends of PLC respectively with the first direct current
Relay KA1, the second DC relay KA2, the 3rd DC relay KA3, the 4th DC relay KA4, the 5th DC relay
KA5, the 6th DC relay KA6, the 7th DC relay KA7It is connected again with the common port of PLC after coil connection；PLC
Controller passes through the first isolator GL1It is connected with first pressure transmitter external tapping, the first pressure transmitter external tapping and liquid
The first pressure transmitter connection at pressure station；PLC passes through the second isolator GL2Connect with second pressure transmitter external tapping
Connect, the second pressure transmitter connection of the second pressure transmitter external tapping and hydraulic station；PLC and thermocouple external connection end
The thermocouple of mouth connection, the thermocouple external-connected port and hydraulic station is connected；First radio receiving transmitting module WX1Second is received wirelessly to receive
Send out module WX2The data sent, the second radio receiving transmitting module WX2It is connected with touch-screen CMP, the second radio receiving transmitting module WX2Pass through
First controlling switch K1It is connected with direct-flow storage battery BT, touch-screen CMP passes through the second controlling switch K2Connect with direct-flow storage battery BT
Connect；First controlling switch K1With the second controlling switch K2Pass through remote control control；PLC respectively with first in major loop
Intellectual motor protection BHQ1, the second intellectual motor protection BHQ2, three-motor intellective protector BHQ3Connection；
Air-break QF2No. 2 end successively with the first A.C. contactor KM1Normal open switch, the first indicator lamp L1Connection
Afterwards again with air-break QF2No. 4 end connection, air-break QF2No. 2 end successively with the second A.C. contactor KM2It is normal
Switch, the second indicator lamp L2After connection again with air-break QF2No. 4 end connection, air-break QF2No. 2 end successively
With the first A.C. contactor KM1Normally closed switch, the second A.C. contactor KM2Normally closed switch, the 3rd indicator lamp L3After connection again
With air-break QF2No. 4 end connection, air-break QF2No. 2 end successively with the 3rd A.C. contactor KM3Normally opened open
Pass, the 4th indicator lamp L4After connection again with air-break QF2No. 4 end connection, air-break QF2No. 2 ends successively with the
Four A.C. contactor KM4Normal open switch, the 5th indicator lamp L5After connection again with air-break QF2No. 4 end connection, air
Circuit breaker Q F2No. 2 end successively with the 3rd A.C. contactor KM3Normally closed switch, the 4th A.C. contactor KM4Normally closed switch,
6th indicator lamp L6After connection again with air-break QF2No. 4 end connection, air-break QF2No. 2 ends successively with the 5th
A.C. contactor KM5Normal open switch, the 7th indicator lamp L7After connection again with air-break QF2No. 4 end connection, air break
Road device QF2No. 2 end successively with the 6th A.C. contactor KM6Normal open switch, the 8th indicator lamp L5After connection again with air break
Device QF2No. 4 end connection, air-break QF2No. 2 end successively with the 5th A.C. contactor KM5Normally closed switch, the 6th hand over
Flow contactor KM6Normally closed switch, the 9th indicator lamp L9After connection again with air-break QF2No. 4 end connection, air break
Device QF2No. 2 end successively with the 7th A.C. contactor KM7Normal open switch, the tenth indicator lamp L10After connection again with air break
Device QF2No. 4 end connection, air-break QF2No. 2 end successively with the 7th A.C. contactor KM7Normally closed switch, the 11st
Indicator lamp L11After connection again with air-break QF2No. 4 end connection；
Air-break QF2No. 2 end successively with the first D.C. contactor KA1Normal open switch, the first A.C. contactor
KM1Coil connection after again with air-break QF2No. 4 end connection；Air-break QF2No. 2 end successively with the second direct current
Contactor KA2Normal open switch, the second A.C. contactor KM2Coil connection after again with air-break QF2No. 4 end connection；
Air-break QF2No. 2 end successively with the 3rd D.C. contactor KA3Normal open switch, the 3rd A.C. contactor KM3Coil
After connection again with air-break QF2No. 4 end connection；Air-break QF2No. 2 end successively with the 4th D.C. contactor KA4
Normal open switch, the 4th A.C. contactor KM4Coil connection after again with air-break QF2No. 4 end connection；Air break
Device QF2No. 2 end successively with the 5th D.C. contactor KA5Normal open switch, the 5th A.C. contactor KM5Coil connection after again
With air-break QF2No. 4 end connection；Air-break QF2No. 2 end successively with the 6th D.C. contactor KA6Normally opened open
Pass, the 6th A.C. contactor KM6Coil connection after again with air-break QF2No. 4 end connection；Air-break QF22
Number end successively with the 7th D.C. contactor KA7Normal open switch, the 7th A.C. contactor KM7Coil connection after it is disconnected with air again
Road device QF2No. 4 end connection.
The first radio receiving transmitting module WX1 and the second radio receiving transmitting module WX2 are sent by bluetooth, receive data.
The remote control equipment carries out signal transmission using Bluetooth technology.
Close three-phase breaker QF1With air-break QF2, the 3rd indicator lamp L3, the 6th indicator lamp L6, the 9th indicator lamp
L9, the 11st indicator lamp L11It is bright, remote control control controlling switch K1, controlling switch K2Closure, direct-flow storage battery BT is to touch-screen
CMP and the second radio receiving transmitting module WX2Power supply, operating personnel set 1# main pumps motor, 2# main pump motor by touch-screen
The Protection parameters of pump motor, the second radio receiving transmitting module WX are circulated with hydraulic station2The parameter is sent to PLC, opened
Powered-down source BC to PLC convey 24V power supplys, PLC obtain it is electric after, PLC controls the first ac contactor respectively
Device KM1, the second A.C. contactor KM2, the 3rd A.C. contactor KM3, the 4th A.C. contactor KM4, the 5th A.C. contactor KM5、
6th A.C. contactor KM6, the 7th A.C. contactor KM7Coil obtain electric, the first A.C. contactor KM1, the second A.C. contactor
KM2, the 3rd A.C. contactor KM3, the 4th A.C. contactor KM4, the 5th A.C. contactor KM5, the 6th A.C. contactor KM6,
Seven A.C. contactor KM7Normal open switch closure, normally closed switch disconnect, the first intellectual motor protection BHQ1, the second motor
Intellective protector BHQ2, three-motor intellective protector BHQ1Obtain electric, the 3rd indicator lamp L3, the 6th indicator lamp L6, the 9th indicate
Lamp L9, the 11st indicator lamp L11Go out, the first indicator lamp L1, the second indicator lamp L2, the 4th indicator lamp L4, the 5th indicator lamp L5, the 7th
Indicator lamp L7, the 8th indicator lamp L8, the tenth indicator lamp L10It is bright, the first three-phase alternating current output port WA1, the second three-phase alternating current output
Port WA2, the 3rd three-phase alternating current output port WA3、220V ac output ends mouthful obtain electric, and PLC controls the first motor only
Can protector BHQ1, the second motor can only protector BHQ2, three-motor can only protector BHQ1Work, PLC control
First pressure transmitter external-connected port WA processed5, second pressure transmitter WA6, thermocouple external-connected port WA7Obtain electric, so as to control 1#
Main pump motor, 2# main pumps motor, hydraulic station circulation pump motor, hydraulic station heater, the pressure transmitter of hydraulic station, liquid
The thermocouple work at pressure station.
PLC controls the start and stop of major loop contactor by control relay, by receiving and exporting 4 ~ 20mA
Hydraulic station meter information is obtained with 24V direct current signals, while by RS485 PORT COMs by feedback of the information to wireless receiving and dispatching mould
Block, realizes the remote wireless controlled of device.
The present invention compared with prior art, with following major advantage：
One：Simple in construction, safety, can meet the electrical system control requirement of hydraulic station pipeline self-loopa, carry out in advance
The construction working of hydraulic station test run；
Secondly：Provided with wireless signal transceiver module, by wireless remote control technology, realization is switched on-off；During site operation,
The hand-holdable remote control terminal of operating personnel, the instruction between device is done directly by touch-screen, reduces the configuration of related personnel,
And it is safer, it is more efficient；
Thirdly：Three road 380V alternating voltages and all the way 220V alternating voltages can be exported simultaneously, meet in hydraulic station one
The service requirement of circulating pump and two main oil pump motor and heater；It is respectively provided with double contactor moulds in output per road simultaneously
Formula, in the case where needing motor inverted running, can be directly realized by the function of switching phase sequence by switching contactor, reduce
The trouble of actual reversely artificial cable paraphase；
It four：Output is set by PLC and 4~20mA and 24V direct current signals is received, is directly connected on live hydraulic station
Instrument point position, operator is fed back to by status informations such as the oil level in hydraulic station running, oil temperature, oil pressure by remote control end
Member, allows operating personnel to grasp hydraulic station running situation the very first time, judges；Directly control to hand over by PLC
That flows contactor coil obtains electric and dead electricity, so as to control the work of motor and heater, operation is very simple, without operator
Member directly contacts 220V or 380V voltages, it is ensured that the safety of operating personnel；
It five：Being equiped with the output of three tunnels can be by operator before intellectual motor protection, hydraulic pump motor running
Member according to field apparatus actual conditions to intellectual motor protection carry out Protection parameters setting, for motor provide overheat,
The function and protectings such as excessively stream, reduce the infringement to electrical equipment；Simultaneously can by touch-screen setting up procedure parameter up and down it is spacing,
Avoid occurring high oil temperature in hydraulic station running, situations such as oil pressure is excessive, extend the service life of product；
It six：The electrical control gear of the present invention also at the same time as other 380V ac motors of job site, as
Detect motor running whether formal approaches.
Brief description of the drawings
Fig. 1 is main loop circuit figure of the present invention；
Fig. 2 is control loop circuit diagram of the present invention；
Fig. 3 is the circuit diagram of indicator lamp；
Fig. 4 is the circuit diagram of DC relay and A.C. contactor.
In figure, KM1~7- A.C. contactor；KA1~7- DC relay；LCB-AC transformer；L1- the first indicator lamp
（1# main pump positive phase sequence run indicator）；L2- the second indicator lamp（1# main pump negative-phase sequence run indicator）；L3- the three indicator lamp
（1# main pumps stop indicator lamp）；L4- the four indicator lamp（2# main pump positive phase sequence run indicator）；L5- the five indicator lamp（2# master
Pump negative-phase sequence run indicator）；L6- the six indicator lamp（2# main pumps stop indicator lamp）；L7- the seven indicator lamp（Circulating pump positive
Sort run indicator lamp）；L8- the eight indicator lamp（Circulating pump negative-phase sequence run indicator；L9- the nine indicator lamp（Circulating pump stops
Indicator lamp）；L10- the ten indicator lamp（Heater run indicator）；L11- the ten one indicator lamp（Heater stops indicator lamp）；
BHQ1~3- intellectual motor protection；WA0- power input port；WA1~3- three-phase alternating current output port；WA4- 220V is handed over
Flow output port；WA5~6- pressure transmitter external-connected port；WA7- thermocouple external-connected port；WX1- the first wireless receiving and dispatching mould
Block, WX2- the second radio receiving transmitting module；CMP-touch-screen；K1~2- controlling switch；QF1- three-phase breaker；QF2- air breaks
Road device；BT-direct-flow storage battery；BC-Switching Power Supply；PLC-programmable logic controller (PLC)；GL1~2- isolator；
CA1~3- transformer group；TA1~3- transformer；Fu1~3- fuse.
Embodiment
The present invention is described further below in conjunction with the accompanying drawings.
Referring to Fig. 1-Fig. 4, a kind of hydraulic station electrical control protection device, it includes power input port CA0, power input
Port CA0A0Number end with three-phase breaker QF1No. 1 end be connected, power input port WA0B0Number end and three-phase breaker
QF1No. 2 end be connected, power input port WA0C0Number end with three-phase breaker QF1No. 3 end be connected, three-phase breaker QF1
No. 4 end with the first A.C. contactor KM1No. 1 end, the second A.C. contactor KM2No. 3 end, the 3rd A.C. contactor KM3's
No. 3 ends, the 4th A.C. contactor KM4No. 1 end, the 5th A.C. contactor KM5No. 3 end, the 6th A.C. contactor KM6No. 1
End is connected, three-phase breaker QF1No. 5 end with the first A.C. contactor KM1No. 2 end, the second A.C. contactor KM2No. 2
End, the 3rd A.C. contactor KM3No. 2 end, the 4th A.C. contactor KM4No. 2 end, the 5th A.C. contactor KM5No. 2 end,
6th A.C. contactor KM6No. 2 end, AC transformer LCB No. 1 ends be connected, three-phase breaker QF1No. 6 ends with first
A.C. contactor KM1No. 3 end, the second A.C. contactor KM2No. 1 end, the 3rd A.C. contactor KM3No. 1 end, the 4th hand over
Flow contactor KM4No. 3 end, the 5th A.C. contactor KM5No. 1 end, the 6th A.C. contactor KM6No. 3 end, AC transformations
Device LCB No. 2 ends are connected；First A.C. contactor KM1No. 4 end with the second A.C. contactor KM2No. 4 end, fuses
Fu1-3One end, three-phase alternating current output port WA1A1Number end be connected, the first A.C. contactor KM1No. 5 ends exchanged with second
Contactor KM2No. 5 end, fuse Fu1-2One end, three-phase alternating current output port WA1B1Number end be connected, the first ac contactor
Device KM1No. 6 end with the second A.C. contactor KM2No. 6 end, fuse Fu1-1One end, three-phase alternating current output interface WA1's
C1Number end be connected；3rd A.C. contactor KM3No. 4 end with the 4th A.C. contactor KM4No. 4 end, fuse Fu2-3One
End, three-phase alternating current output interface WA2A2Number end be connected, the 3rd A.C. contactor KM3No. 5 end with the 4th A.C. contactor KM4
No. 5 end, fuse Fu2-2One end, three-phase alternating current output interface WA2B2Number end be connected, the 3rd A.C. contactor KM36
Number end with the 4th A.C. contactor KM4No. 6 end, fuse Fu2-1One end, three-phase alternating current output interface WA2C2Number end phase
Even；5th A.C. contactor KM5No. 4 end with the 6th A.C. contactor KM6No. 4 end, fuse Fu3-3One end, three intersect
Flow output interface WA3A3Number end be connected, the 5th A.C. contactor KM5No. 5 end with the 6th A.C. contactor KM6No. 5 end,
Fuse Fu3-2One end, three-phase alternating current output interface WA3B3Number end be connected, the 5th A.C. contactor KM5No. 6 ends and the
Six A.C. contactor KM6No. 6 end, fuse Fu3-1One end, three-phase alternating current output interface WA3C3Number end be connected；Fuse
Fu1-1The other end and the first intellectual motor protection BHQ1ICEnd is connected, fuse Fu1-2The other end and first electronic
Machine intellective protector BHQ1IBEnd is connected, fuse Fu1-3The other end and the first intellectual motor protection BHQ1IAEnd
It is connected；Fuse Fu2-1The other end and the second intellectual motor protection BHQ2ICEnd is connected, fuse Fu2-2The other end
With the second intellectual motor protection BHQ2IBEnd is connected, fuse Fu2-3The other end and the second intellectual motor protection
BHQ2IAEnd is connected；Fuse Fu3-1The other end and three-motor intellective protector BHQ3ICEnd is connected, fuse
Fu3-2The other end and three-motor intellective protector BHQ3IBEnd is connected, fuse Fu3-3The other end and the 3rd electronic
Machine intellective protector BHQ3IAEnd is connected；
First intellectual motor protection BHQ1UCEnd and transformer CA1-1No. 1 end be connected, the first motor intelligent protect
Protect device BHQ1UC *End and transformer CA1-1No. 2 end be connected；First intellectual motor protection BHQ1UBEnd and transformer
CA1-2No. 1 terminal be connected, the first intellectual motor protection BHQ1UB *End and transformer CA1-2No. 2 end be connected；First
Intellectual motor protection BHQ1UAEnd and transformer CA1-3No. 1 end be connected, the first intellectual motor protection BHQ1UA *
End and transformer CA1-3No. 2 end be connected；First intellectual motor protection BHQ2K1End and the first transformer TA1No. 1 end
It is connected, the first intellectual motor protection BHQ1K2End and the first transformer TA1No. 2 end be connected；Transformer CA1-1, mutual inductance
Device CA1-2, transformer CA1-3For the first transformer group；
Second intellectual motor protection BHQ2UCEnd and transformer CA2-1No. 1 end be connected, the second motor intelligent protect
Protect device BHQ2UC *End and transformer CA2-1No. 2 end be connected；Second intellectual motor protection BHQ2UBEnd and transformer
CA2-2No. 1 end be connected, the second intellectual motor protection BHQ2UB *End and transformer CA2-2No. 2 end be connected；Second electricity
Motivation intellective protector BHQ2UAEnd and transformer CA2-3No. 1 end be connected, the second intellectual motor protection BHQ2UA *End
With transformer CA2-3No. 2 end be connected；Second intellectual motor protection BHQ2K1End and the second transformer TA2No. 1 end phase
Even, the second intellectual motor protection BHQ2K2End and the second transformer TA2No. 2 end be connected；Transformer CA2-1, transformer
CA2-2, transformer CA2-3For the second transformer group；
Three-motor intellective protector BHQ3UCEnd and transformer CA3-1No. 1 end be connected, three-motor intelligently protect
Protect device BHQ3UC *End and transformer CA3-1No. 2 end be connected；Three-motor intellective protector BHQ3UBEnd and transformer
CA3-2No. 1 end be connected, three-motor intellective protector BHQ3UB *End and transformer CA3-2No. 2 end be connected；3rd electricity
Motivation intellective protector BHQ3UAEnd and transformer CA3-3No. 1 end be connected, three-motor intellective protector BHQ3UA *End
With transformer CA3-3No. 2 terminals be connected；Three-motor intellective protector BHQ3K1 ends and the 3rd transformer TA3No. 1 end
It is connected, three-motor intellective protector BHQ3K2End and the 3rd transformer TA3No. 2 end be connected；Transformer CA3-1, mutual inductance
Device CA3-2, transformer CA3-3For the 3rd transformer group.
AC transformer LCB No. 3 ends and air-break QF2No. 1 end be connected, No. 4 of AC transformer LCB ends with
Air-break QF2No. 3 end be connected, air-break QF2No. 2 ends and Switching Power Supply BC L ends, the L ends of PLC,
7th A.C. contactor KM7No. 2 end, the first intellectual motor protection BHQ1L ends, the second intellectual motor protection
BHQ2L ends, three-motor intellective protector BHQ3L ends, the first A.C. contactor KM1Normal open switch one end, second
A.C. contactor KM2One end of normal open switch, the first A.C. contactor KM1One end of normally closed switch, the 3rd A.C. contactor
KM3One end of normal open switch, the 4th A.C. contactor KM4One end of normal open switch, the 3rd A.C. contactor KM3It is normally closed
One end of switch, the 5th A.C. contactor KM5One end of normal open switch, the 6th A.C. contactor KM6Normal open switch one
End, the 5th A.C. contactor KM5One end of normally closed switch, the 7th A.C. contactor KM7Normal open switch one end, the 7th hand over
Flow contactor KM7One end of normally closed switch, the first DC relay KA1One end of normal open switch, the second DC relay
KA2One end of normal open switch, the 3rd DC relay KA3One end of normal open switch, the 4th DC relay KA4It is normally opened
One end of switch, the 5th DC relay KA5One end of normal open switch, the 6th DC relay KA6Normal open switch one
End, the 7th DC relay KA7One end of normal open switch be connected；Air-break QF2No. 4 ends and Switching Power Supply BC N
End, the 7th A.C. contactor KM7No. 1 terminal, PLC N-terminal, the first intellectual motor protection BHQ1N-terminal, second electronic
Machine intellective protector BHQ2N-terminal, three-motor intellective protector BHQ3N-terminal, 1# main pump positive phase sequence run indicator L1's
One end, 1# main pump negative-phase sequence run indicator L2One end, 1# main pumps stop indicator lamp L3One end, 2# main pump positive sort runs
Indicator lamp L4One end, 2# main pump negative-phase sequence run indicator L5One end, 2# main pumps stop indicator lamp L6One end, circulating pump
Positive phase sequence run indicator L7One end, circulating pump negative-phase sequence run indicator L8One end, circulating pump stop indicator lamp L9One
End, heater run indicator L10One end, heater stop indicator lamp L11One end, the first A.C. contactor KM1Coil
One end, the second A.C. contactor KM2One end of coil, the 3rd A.C. contactor KM3One end of coil, the 4th A.C. contactor KM4
One end of coil, the 5th A.C. contactor KM5One end of coil, the 6th A.C. contactor KM6One end of coil, the 7th exchange connect
Tentaculum KM7One end of coil is connected；7th A.C. contactor KM7No. 3 ends and 220V ac output ends mouthful WA4No. 1 end phase
Even, the 7th A.C. contactor KM7No. 4 terminals and 220V ac output ends mouthful WA4No. 2 end be connected；
First A.C. contactor KM1Normal open switch the other end and 1# main pump positive phase sequence run indicator L1The other end
It is connected；Second A.C. contactor KM2Normal open switch the other end and 1# main pump negative-phase sequence run indicator L2Other end phase
Even；First A.C. contactor KM1The other end of normally closed switch pass through the second A.C. contactor KM2Normally closed switch and 1# main pumps
Stop indicator lamp L3The other end be connected；3rd A.C. contactor KM3Normal open switch the other end and 2# main pump positive sort runs
Indicator lamp L4The other end be connected；4th A.C. contactor KM4The anti-phase sort run of the other end and 2# main pumps of normal open switch indicate
Lamp L5The other end be connected；3rd A.C. contactor KM3The other end of normally closed switch pass through the 4th A.C. contactor KM4It is normal
Make and break is closed stops indicator lamp L with 2# main pumps6The other end be connected；5th A.C. contactor KM5Normal open switch the other end with following
Ring pump positive phase sequence run indicator L7The other end be connected；6th A.C. contactor KM6Normal open switch the other end and circulating pump
Negative-phase sequence run indicator L8The other end be connected；5th A.C. contactor KM5Normally closed switch the other end pass through the 6th exchange
Contactor KM6Normally closed switch and circulating pump stop indicator lamp L9The other end be connected；7th A.C. contactor KM7Normally opened open
The other end of pass and heater run indicator L10The other end be connected；7th A.C. contactor KM7Normally closed switch it is another
End stops indicator lamp L with heater11The other end be connected；
First DC relay KA1Normal open switch the other end and the first A.C. contactor KM1The other end phase of coil
Even, the second DC relay KA2Normal open switch the other end and the first A.C. contactor KM2The other end of coil is connected, and the 3rd
DC relay KA3Normal open switch the other end and the first A.C. contactor KM3The other end of coil is connected, the 4th direct current after
Electrical equipment KA4Normal open switch the other end and the first A.C. contactor KM4The other end of coil is connected, the 5th DC relay KA5
Normal open switch the other end and the first A.C. contactor KM5The other end of coil is connected, the 6th DC relay KA6It is normally opened
The other end of switch and the first A.C. contactor KM6The other end of coil is connected, the 7th DC relay KA7Normal open switch
The other end and the first A.C. contactor KM7The other end of coil is connected；
Switching Power Supply BC 24V+ ends are connected with the 24V+ ends of PLC, and Switching Power Supply BC 24V- ends and PLC are controlled
The 24V- ends of device are connected, Switching Power Supply BC 5V+ ends and the first radio receiving transmitting module WX15V+ ends be connected, Switching Power Supply BC's
5V- ends and the first radio receiving transmitting module WX15V- ends be connected, the first radio receiving transmitting module WX1485+ ends and PLC
CH4 passage 485+ ends are connected, the first radio receiving transmitting module WX1485- ends and programmable logic controller (PLC) CH4 passages 485-
End is connected, the COM ends of programmable logic controller (PLC) and the first DC relay KA1One end of coil, the second DC relay KA2
One end of coil, the 3rd DC relay KA3One end of coil, the 4th DC relay KA4One end of coil, the 5th direct current after
Electrical equipment KA5One end of coil, the 6th DC relay KA6One end of coil, the 7th DC relay KA7One end of coil is connected；
First DC relay KA1The other end of coil and the Y of programmable logic controller (PLC)1End is connected, the second DC relay KA2Line
The other end of circle and the Y of programmable logic controller (PLC)2End is connected, the 3rd DC relay KA3The other end of coil is patrolled with programmable
Collect the Y of controller3End is connected, the 4th DC relay KA4The other end of coil and the Y of programmable logic controller (PLC)4End is connected,
5th DC relay KA5The other end of coil and the Y of programmable logic controller (PLC)5End is connected, the 6th DC relay KA6Line
The other end of circle and the Y of programmable logic controller (PLC)6End is connected, the 7th DC relay KA7The other end of coil is patrolled with programmable
Collect the Y of controller7End is connected；The CH of programmable logic controller (PLC)1Passage 485+ ends and the first intellectual motor protection BHQ1's
Modbus communication interface 485+ ends are connected, the CH of programmable logic controller (PLC)1Passage 485- ends and the first intelligent motor protection
Device BHQ1Modbus communication interface 485- ends be connected, the CH of programmable logic controller (PLC)2Passage 485+ ends and the second electronic wisdom
Can protector BHQ2Modbus communication interface 485+ ends be connected, the CH of programmable logic controller (PLC)2Passage 485- ends and the second electricity
Motivation intellective protector BHQ2Modbus communication interface 485- ends be connected, the CH of programmable logic controller (PLC)3Passage 485+ ends with
Three-motor intellective protector BHQ3Modbus communication interface 485+ ends be connected, the CH of programmable logic controller (PLC)3Passage
485- ends and three-motor intellective protector BHQ3Modbus communication interface 485- ends be connected, programmable logic controller (PLC)
No. 1 end and the first isolator GL1No. 1 end be connected, No. 2 of programmable logic controller (PLC) ends and the first isolator GL1No. 2 end
It is connected；No. 3 ends of programmable logic controller (PLC) and the second isolator GL2No. 1 end be connected, No. 4 of programmable logic controller (PLC)
End and the second isolator GL2No. 2 end be connected；No. 5 ends of programmable logic controller (PLC) and thermocouple external-connected port WA7No. 1 end
It is connected, No. 6 ends of programmable logic controller (PLC) and thermocouple external-connected port WA7No. 2 end be connected；First isolator GL1No. 3
End and first pressure transmitter external-connected port WA5No. 1 end be connected, the first isolator GL1No. 4 end with first pressure transmitter
External-connected port WA5No. 2 end be connected；Second isolator GL2No. 3 end with second pressure transmitter external-connected port WA6No. 1 end
Son is connected, the second isolator GL2No. 4 end with second pressure transmitter external-connected port WA6No. 2 end be connected；
Second radio receiving transmitting module WX25V+ terminals and the first controlling switch K1No. 1 end be connected, the second wireless receiving and dispatching
Module WX25V- terminals and the first controlling switch K1No. 2 end be connected, the second radio receiving transmitting module WX2485+ terminals
It is connected with touch-screen CMP No. 485+ end, the second radio receiving transmitting module WX2No. 485- of 485- terminals and touch-screen CMP
Terminal is connected, the first controlling switch K1No. 3 ends be connected with direct-flow storage battery BT 5V+ terminals, the first controlling switch K14
Number end is connected with direct-flow storage battery BT 5V- terminals；Direct-flow storage battery BT No. 24V+ end and the second controlling switch K2No. 3
End is connected, direct-flow storage battery BT No. 24V- end and the second controlling switch K2No. 4 end be connected, the second controlling switch K2No. 1 end
It is connected with touch-screen CMP 24V+ terminals, the second controlling switch K2No. 2 ends be connected with touch-screen CMP 24V- terminals.
In the present embodiment, A.C. contactor KM1~7For CJ20J-100A type A.C. contactors, convertor transformer LCB is DG-3
Type AC transformer, intellectual motor protection BHQ1~3For JDB-YE+ electric motor protecting supervising devices, radio receiving transmitting module WX1、
WX2For KYL-1020U type radio receiving transmitting modules, touch-screen CMP is MT6070iH type touch-screens, DC relay KA1~7For
MY2N-GS DC24 type 24V DC relays, direct-flow storage battery BT is AC220V/DC5V-2A/DC24V-0.5A type direct current electric power storages
Pond, air-break QF2For C65N 2P-C40 type air-breaks, three-phase breaker QF1For HM1 series three phase breakers, every
From device GL1~2For GS8500-EX type isolators, indicator lamp L1~11For AD16 type indicator lamps.
In use, by power input port WA0External 380V temporary sources, it is electronic by cable connection hydraulic station 1# main pumps
The three-phase input end of machine is to the first three-phase alternating current output end WA1On, the three-phase input end of connection hydraulic station 2# main pump motor is arrived
Second three-phase alternating current output end WA2On, the three-phase input end of connection hydraulic station circulation pump motor is exported to the 3rd three-phase alternating current
Hold WA3On, connection hydraulic station heater to 220V ac output ends WA4On, the pressure transmitter of hydraulic station is connected to pressure inverting
Device external-connected port WA5~6On, the thermocouple of hydraulic station is connected to thermocouple external-connected port WA7On.Now close three-phase breaker
QF1With air-break QF2, the 3rd indicator lamp（1# main pumps stop indicator lamp）L3, the 6th indicator lamp（2# main pumps stop indicator lamp）
L6, the 9th indicator lamp（Circulating pump stops indicator lamp）L9, the 11st indicator lamp（Heater stops indicator lamp）L11It is bright, using remote control
End control, closes the first controlling switch K1, the second controlling switch K2, operating personnel pass through according to external motor model and parameter
Touch-screen CMP carry out three motor protection parameter settings, after the completion of can to three motor of hydraulic station, heater carry out it is distant
Control start-up and shut-down control.
Claims (2)
1. a kind of hydraulic station electrical control protection device, it includes major loop and control loop, it is characterised in that：
The major loop includes power input port WA0, the power input port WA0With three-phase breaker QF11,2, No. 3
End connection, three-phase breaker QF1No. 4 end with the first A.C. contactor KM1No. 1 of normal open switch end connection, three-phase breaker
QF1No. 5 end with the first A.C. contactor KM1No. 2 of normal open switch end connections, three-phase breaker QF1No. 6 ends with first
A.C. contactor KM1No. 3 of normal open switch end connections, the first A.C. contactor KM1Normal open switch 4,5, No. 6 ends and the
One three-phase alternating current output port is connected, and the first three-phase alternating current output port is connected with the three-phase input end of 1# main pump motor；
First A.C. contactor KM1Normal open switch 4,5, No. 6 ends pass through first fuse and the first intellectual motor protection BHQ1
Connection；And the first A.C. contactor KM1Normal open switch 4,5, the wire that is connected with the first three-phase alternating current output port of No. 6 ends
It is provided with the first transformer group and the first transformer, the first transformer group and the first transformer and the first intelligent motor protection
Device BHQ1Connection；
First A.C. contactor KM1No. 1 of normal open switch end and the second A.C. contactor KM2No. 3 of normal open switch ends connect
Connect, the first A.C. contactor KM1No. 2 of normal open switch ends and the second A.C. contactor KM2No. 2 of normal open switch end connections,
First A.C. contactor KM1No. 3 of normal open switch ends and the second A.C. contactor KM2No. 1 of normal open switch end connection, the
One A.C. contactor KM1No. 4 of normal open switch ends and the second A.C. contactor KM2No. 4 of normal open switch end connections, first
A.C. contactor KM1No. 5 of normal open switch ends and the second A.C. contactor KM2No. 5 of normal open switch end connections, first hands over
Flow contactor KM1No. 6 of normal open switch ends and the second A.C. contactor KM2No. 6 of normal open switch end connections；
Three-phase breaker QF1No. 4 end with the 3rd A.C. contactor KM3No. 3 of normal open switch end connections, three-phase breaker QF1
No. 5 end with the 3rd A.C. contactor KM3No. 2 of normal open switch end connections, three-phase breaker QF1No. 6 ends exchanged with the 3rd
Contactor KM3No. 1 of normal open switch end connection, the 3rd A.C. contactor KM3Normal open switch 4,5, No. 6 ends and the two or three
Cross streams output port is connected, and the second three-phase alternating current output port is connected with the three-phase input end of 2# main pump motor；3rd
A.C. contactor KM3Normal open switch 4,5, No. 6 ends pass through second fuse and the second intellectual motor protection BHQ2Even
Connect；And the 3rd A.C. contactor KM3Normal open switch 4,5, on the wire that is connected with the second three-phase alternating current output port of No. 6 ends
Provided with the second transformer group and the second transformer, the second transformer group and the second transformer and the second intellectual motor protection
BHQ2Connection；
3rd A.C. contactor KM3No. 1 of normal open switch end and the 4th A.C. contactor KM4No. 3 of normal open switch ends connect
Connect, the 3rd A.C. contactor KM3No. 2 of normal open switch ends and the 4th A.C. contactor KM4No. 2 of normal open switch end connections,
3rd A.C. contactor KM3No. 3 of normal open switch ends and the 4th A.C. contactor KM4No. 1 of normal open switch end connection, the
Three A.C. contactor KM3No. 4 of normal open switch ends and the 4th A.C. contactor KM4No. 4 of normal open switch end connections, the 3rd
A.C. contactor KM3No. 5 of normal open switch ends and the 4th A.C. contactor KM4No. 5 of normal open switch end connections, the 3rd hands over
Flow contactor KM3No. 6 of normal open switch ends and the 4th A.C. contactor KM4No. 6 of normal open switch end connections；
Three-phase breaker QF1No. 4 end with the 5th A.C. contactor KM5No. 3 of normal open switch end connections, three-phase breaker QF1
No. 5 end with the 5th A.C. contactor KM5No. 2 of normal open switch end connections, three-phase breaker QF1No. 6 ends exchanged with the 5th
Contactor KM5No. 1 of normal open switch end connection, the 5th A.C. contactor KM5Normal open switch 4,5, No. 6 ends and the three or three
Cross streams output port is connected, and the three-phase input end that the 3rd three-phase alternating current output port circulates pump motor with hydraulic station connects
Connect；5th A.C. contactor KM5Normal open switch 4,5, No. 6 ends pass through the 3rd fuse and three-motor intellective protector
BHQ3Connection；And the 5th A.C. contactor KM5Normal open switch 4,5, No. 6 ends are connected with the 3rd three-phase alternating current output port
Wire is provided with the 3rd transformer group and the 3rd transformer, the 3rd transformer group and the 3rd transformer and three-motor intelligence
Protector BHQ3Connection；
5th A.C. contactor KM5No. 1 of normal open switch end and the 6th A.C. contactor KM6No. 3 of normal open switch ends connect
Connect, the 5th A.C. contactor KM5No. 2 of normal open switch ends and the 6th A.C. contactor KM6No. 2 of normal open switch end connections,
5th A.C. contactor KM5No. 3 of normal open switch ends and the 6th A.C. contactor KM6No. 1 of normal open switch end connection, the
Five A.C. contactor KM5No. 4 of normal open switch ends and the 6th A.C. contactor KM6No. 4 of normal open switch end connections, the 5th
A.C. contactor KM5No. 5 of normal open switch ends and the 6th A.C. contactor KM6No. 5 of normal open switch end connections, the 5th hands over
Flow contactor KM5No. 6 of normal open switch ends and the 6th A.C. contactor KM6No. 6 of normal open switch end connections；
The control loop includes AC transformer LCB, AC transformer LCB No. 1 end and three-phase breaker QF1No. 5 end connect
Connect, AC transformer LCB No. 2 ends and three-phase breaker QF1No. 6 end connections, No. 3 of AC transformer LCB ends and air
Circuit breaker Q F2No. 1 end connection, No. 4 of AC transformer LCB ends and air-break QF2No. 3 end connection, air-break
QF22, No. 4 ends pass through Switching Power Supply BC and the first radio receiving transmitting module WX1Connection, the first radio receiving transmitting module WX1Controlled with PLC
Device connection processed；Air-break QF22, No. 4 ends be connected with PLC, Switching Power Supply BC is connected with PLC；Air
Circuit breaker Q F22, No. 4 ends pass through the 7th A.C. contactor KM7Normal open switch connection after be connected again with 220V ac output ends,
The 220V ac output ends are connected with hydraulic station heater；The control end Y of PLC1With the first DC relay KA1Line
It is connected again with the common port of PLC after circle connection, the control end Y of PLC2With the second DC relay KA2Coil
Common port after connection again with PLC is connected, the control end Y of PLC3With the 3rd DC relay KA3Coil connect
Common port after connecing again with PLC is connected, the control end Y of PLC4With the 4th DC relay KA4Coil connection
It is connected again with the common port of PLC afterwards, the control end Y of PLC5With the 5th DC relay KA5Coil connection after
It is connected again with the common port of PLC, the control end Y of PLC6With the 6th DC relay KA6Coil connection after again
It is connected with the common port of PLC, the control end Y of PLC7With the 7th DC relay KA7Coil connection after again with
The common port connection of PLC；PLC passes through the first isolator GL1It is connected with first pressure transmitter external tapping,
The first pressure transmitter connection of the first pressure transmitter external tapping and hydraulic station；PLC passes through the second isolator GL2
It is connected with second pressure transmitter external tapping, the second pressure transmitter of the second pressure transmitter external tapping and hydraulic station connects
Connect；PLC is connected with thermocouple external-connected port, the thermocouple connection of the thermocouple external-connected port and hydraulic station；First nothing
Line transceiver module WX1Receive the second radio receiving transmitting module WX2The data sent, the second radio receiving transmitting module WX2With touch-screen CMP
Connection, the second radio receiving transmitting module WX2Pass through the first controlling switch K1It is connected with direct-flow storage battery BT, touch-screen CMP passes through second
Controlling switch K2It is connected with direct-flow storage battery BT；First controlling switch K1With the second controlling switch K2Pass through remote control control；PLC
Controller respectively with the first intellectual motor protection BHQ in major loop1, the second intellectual motor protection BHQ2, the 3rd electricity
Motivation intellective protector BHQ3Connection；
Air-break QF2No. 2 end successively with the first A.C. contactor KM1Normal open switch, the first indicator lamp L1After connection again
With air-break QF2No. 4 end connection, air-break QF2No. 2 end successively with the second A.C. contactor KM2Normally opened open
Pass, the second indicator lamp L2After connection again with air-break QF2No. 4 end connection, air-break QF2No. 2 ends successively with the
One A.C. contactor KM1Normally closed switch, the second A.C. contactor KM2Normally closed switch, the 3rd indicator lamp L3After connection again with sky
Gas circuit breaker Q F2No. 4 end connection, air-break QF2No. 2 end successively with the 3rd A.C. contactor KM3Normal open switch,
4th indicator lamp L4After connection again with air-break QF2No. 4 end connection, air-break QF2No. 2 ends successively with the 4th
A.C. contactor KM4Normal open switch, the 5th indicator lamp L5After connection again with air-break QF2No. 4 end connection, air break
Road device QF2No. 2 end successively with the 3rd A.C. contactor KM3Normally closed switch, the 4th A.C. contactor KM4Normally closed switch,
Six indicator lamp L6After connection again with air-break QF2No. 4 end connection, air-break QF2No. 2 end successively with the 5th hand over
Flow contactor KM5Normal open switch, the 7th indicator lamp L7After connection again with air-break QF2No. 4 end connection, air break
Device QF2No. 2 end successively with the 6th A.C. contactor KM6Normal open switch, the 8th indicator lamp L5After connection again with air-break
QF2No. 4 end connection, air-break QF2No. 2 end successively with the 5th A.C. contactor KM5Normally closed switch, the 6th exchange
Contactor KM6Normally closed switch, the 9th indicator lamp L9After connection again with air-break QF2No. 4 end connection, air-break
QF2No. 2 end successively with the 7th A.C. contactor KM7Normal open switch, the tenth indicator lamp L10After connection again with air-break
QF2No. 4 end connection, air-break QF2No. 2 end successively with the 7th A.C. contactor KM7Normally closed switch, the 11st refer to
Show lamp L11After connection again with air-break QF2No. 4 end connection；
Air-break QF2No. 2 end successively with the first D.C. contactor KA1Normal open switch, the first A.C. contactor KM1's
Coil connection after again with air-break QF2No. 4 end connection；Air-break QF2No. 2 ends contacted successively with the second direct current
Device KA2Normal open switch, the second A.C. contactor KM2Coil connection after again with air-break QF2No. 4 end connection；Air
Circuit breaker Q F2No. 2 end successively with the 3rd D.C. contactor KA3Normal open switch, the 3rd A.C. contactor KM3Coil connection
Afterwards again with air-break QF2No. 4 end connection；Air-break QF2No. 2 end successively with the 4th D.C. contactor KA4It is normal
Switch, the 4th A.C. contactor KM4Coil connection after again with air-break QF2No. 4 end connection；Air-break QF2
No. 2 end successively with the 5th D.C. contactor KA5Normal open switch, the 5th A.C. contactor KM5Coil connection after again with air
Circuit breaker Q F2No. 4 end connection；Air-break QF2No. 2 end successively with the 6th D.C. contactor KA6Normal open switch,
Six A.C. contactor KM6Coil connection after again with air-break QF2No. 4 end connection；Air-break QF2No. 2 end according to
Secondary and the 7th D.C. contactor KA7Normal open switch, the 7th A.C. contactor KM7Coil connection after again with air-break QF2
No. 4 end connection.
2. hydraulic station electrical control protection device as claimed in claim 1, it is characterised in that：
The first radio receiving transmitting module WX1With the second radio receiving transmitting module WX2Sent by bluetooth, receive data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510269966.XA CN104882854B (en) | 2015-05-25 | 2015-05-25 | Hydraulic station electrical control protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510269966.XA CN104882854B (en) | 2015-05-25 | 2015-05-25 | Hydraulic station electrical control protection device |
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| CN104882854B true CN104882854B (en) | 2017-07-21 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105977916A (en) * | 2016-03-25 | 2016-09-28 | 合肥天鹅制冷科技有限公司 | Phase sequence automatic protection device for liquid-cooled unit |
| CN111047851B (en) * | 2020-03-13 | 2020-06-19 | 山东奇美仪器有限公司 | Control system of multifunctional mechanical testing machine |
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