CN104882854A - Electrical control protective device for hydraulic station - Google Patents

Electrical control protective device for hydraulic station Download PDF

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Publication number
CN104882854A
CN104882854A CN201510269966.XA CN201510269966A CN104882854A CN 104882854 A CN104882854 A CN 104882854A CN 201510269966 A CN201510269966 A CN 201510269966A CN 104882854 A CN104882854 A CN 104882854A
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China
Prior art keywords
contactor
normal open
air circuit
open switch
connect
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CN201510269966.XA
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CN104882854B (en
Inventor
李锐
范存乐
高宓
熊杰
曾一
李卓
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China First Metallurgical Group Co Ltd
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China First Metallurgical Group Co Ltd
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Publication of CN104882854B publication Critical patent/CN104882854B/en
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Abstract

The invention discloses an electrical control protective device for a hydraulic station. The electrical control protective device comprises a main loop and a control loop. The main loop comprises a three-phase breaker, seven alternating current contactors, three mutual inductors sets, three motor intelligent protectors and three three-phase alternating current output ports. The control loop comprises an air breaker, a direct current relay, a switching power supply, a PLC controller, a wireless transmit-receive module, a direct current storage battery, a touch screen, an isolator, a 220V alternating current output port, a pressure transmitter external connection port, and a thermocouple external connection port. The electrical control protective device provided by the invention can output three ways of 380V alternating current voltage and one way of 220V alternating current voltage at the same time, and can meet operation requirements of a circulating pump, two main oil pump motors and a heater in the hydraulic station. Compared with a temporary electrical control device for a hydraulic station, the electrical control protective device provided by the invention is safer and higher in efficiency.

Description

Hydraulic Station electrical control protective device
Technical field
The invention belongs to the field of electrical control of hydraulic station electromotor, be specifically related to a kind of electrical control protective device of middle-size and small-size Hydraulic Station.
Background technology
In metallurgical engineering work progress, on-the-spot can the systemic electrical control protective device of testing hydraulic station mechanical condition because lacking, often cannot judge the situation of Hydraulic Station mechanical device, for the debugging trial run work of the device such as hydraulic valve and actuator below provides prerequisite, and the work such as hydraulic power unit mechanical verification and self-loopa test run generally needs to continue to carry out more than two days, at regulator cubicle, control cabinet, when PLC system electrical install condition does not possess, if debugging cannot be provided to the operation of hydraulic station electromotor in advance, then can not ensure carrying out smoothly and guaranteeing the construction period of follow-up debugging.
The debugging of hydraulic station electromotor is realized by electrical control protective device; but existing electric controling mode adopts external temporary source and easy control switch to realize the start and stop of motor usually; there is inefficiency and unsafe problem in this method; easily cause the Hydraulic Station debugging construction period delayed, affect the construction of whole engineering.
Summary of the invention
The object of the present invention is to provide the Hydraulic Station electrical control protective device that a kind of structure is simple, safety, efficiency are high.
The present invention controls the cut-out of external breaking device by remote closing, and uses intellectual motor protection to protect motor, realizes the control to major loop and the protection to motor, is applicable to the debugging of temporarily changing trains or buses of on-the-spot Hydraulic Station.
The present invention is achieved in that
A kind of Hydraulic Station electrical control protective device, it comprises major loop and control loop,
Described major loop comprises power input port WA 0, described power input port WA 0with three-phase breaker QF 11,2, No. 3 end connect, three-phase breaker QF 14,5, No. 6 end respectively with the first A.C. contactor KM 11,2, No. 3 of normal open switch end connect, the first A.C. contactor KM 14,5, No. 6 ends of normal open switch 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 KM 14,5, No. 6 ends of normal open switch be connected with the first intellectual motor protection by the first fuse; And the first A.C. contactor KM 14,5, No. 6 of normal open switch hold the wire be connected with the first three-phase alternating current output port to be provided with the first instrument transformer group and the first instrument transformer, this first instrument transformer group and the first instrument transformer and the first intellectual motor protection BHQ 1connect;
First A.C. contactor KM 11,2, No. 3 of normal open switch end respectively with the second A.C. contactor KM 23,2, No. 1 of normal open switch ends connect, the first A.C. contactor KM 14,5, No. 6 of normal open switch ends respectively with the second A.C. contactor KM 24,5, No. 6 of normal open switch ends connect;
Three-phase breaker QF 14,5, No. 6 end respectively with the 3rd A.C. contactor KM 31,2, No. 3 of normal open switch end connect, the 3rd A.C. contactor KM 34,5, No. 6 ends of normal open switch be connected with the second three-phase alternating current output port, this second three-phase alternating current output port is connected with the three-phase input end of 2# main pump motor; 3rd A.C. contactor KM 34,5, No. 6 ends of normal open switch be connected with the second intellectual motor protection by the second fuse; And the 3rd A.C. contactor KM 34,5, No. 6 of normal open switch hold the wire be connected with the second three-phase alternating current output port to be provided with the second instrument transformer group and the second instrument transformer, this second instrument transformer group and the second instrument transformer and the second intellectual motor protection BHQ 2connect;
3rd A.C. contactor KM 31,2, No. 3 of normal open switch end respectively with the 4th A.C. contactor KM 43,2, No. 1 of normal open switch ends connect, the 3rd A.C. contactor KM 34,5, No. 6 of normal open switch ends respectively with the 4th A.C. contactor KM 44,5, No. 6 of normal open switch ends connect;
Three-phase breaker QF 14,5, No. 6 end respectively with the 5th A.C. contactor KM 51,2, No. 3 of normal open switch end connect, the 5th A.C. contactor KM 54,5, No. 6 ends of normal open switch be connected with the 3rd three-phase alternating current output port, the 3rd three-phase alternating current output port is connected with the three-phase input end of Hydraulic Station circulating pump motor; 5th A.C. contactor KM 54,5, No. 6 ends of normal open switch be connected with three-motor intellective protector by the 3rd fuse; And the 5th A.C. contactor KM 54,5, No. 6 of normal open switch hold the wire be connected with the 3rd three-phase alternating current output port to be provided with the 3rd instrument transformer group and the 3rd instrument transformer, the 3rd instrument transformer group and the 3rd instrument transformer and three-motor intellective protector BHQ 3connect;
5th A.C. contactor KM 51,2, No. 3 of normal open switch end respectively with the 6th A.C. contactor KM 63,2, No. 1 of normal open switch ends connect, the 5th A.C. contactor KM 54,5, No. 6 of normal open switch ends respectively with the 6th A.C. contactor KM 64,5, No. 6 of normal open switch ends connect;
Described control loop comprises AC transformer LCB, 1, No. 2 of AC transformer LCB end respectively with three-phase breaker QF 15, No. 6 ends connect, 3, No. 4 of AC transformer LCB ends and air circuit QF 21, No. 3 end connect, air circuit QF 22, No. 4 end by Switching Power Supply BC and the first radio receiving transmitting module WX 1connect, the first radio receiving transmitting module WX 1connect and be connected with PLC; Air circuit QF 22, No. 4 ends be connected with PLC, Switching Power Supply BC is connected with PLC; Air circuit QF 22, No. 4 end by the 7th A.C. contactor KM 7normal open switch connect after be connected with 220V ac output end again, this 220V ac output end is connected with Hydraulic Station heater; 7 control ends of PLC respectively with the first direct current relay KA 1, the second direct current relay KA 2, the 3rd direct current relay KA 3, the 4th direct current relay KA 4, the 5th direct current relay KA 5, the 6th direct current relay KA 6, the 7th direct current relay KA 7coil is connected with the common port of PLC after connecting again; PLC is by the first isolator GL 1be connected with the first pressure transmitter external tapping, this first pressure transmitter external tapping is connected with the first pressure transmitter of Hydraulic Station; PLC is by the second isolator GL 2be connected with the second pressure transmitter external tapping, this second pressure transmitter external tapping is connected with the second pressure transmitter of Hydraulic Station; PLC is connected with thermocouple external-connected port, and this thermocouple external-connected port is connected with the thermocouple of Hydraulic Station; First radio receiving transmitting module WX 1receive the second radio receiving transmitting module WX 2the data sent, the second radio receiving transmitting module WX 2be connected with touch-screen CMP, the second radio receiving transmitting module WX 2by the first control switch K 1be connected with direct-flow storage battery BT, touch-screen CMP is by the second control switch K 2be connected with direct-flow storage battery BT; First control switch K 1with the second control switch K 2controlled by remote controller; PLC respectively with the first intellectual motor protection BHQ in major loop 1, the second intellectual motor protection BHQ 2, three-motor intellective protector BHQ 3connect;
Air circuit QF 2no. 2 end successively with the first A.C. contactor KM 1normal open switch, the first indicator light L 1after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the second A.C. contactor KM 2normal open switch, the second indicator light L 2after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the first A.C. contactor KM 1normally closed switch, the second A.C. contactor KM 2normally closed switch, the 3rd indicator light L 3after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the 3rd A.C. contactor KM 3normal open switch, the 4th indicator light L 4after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the 4th A.C. contactor KM 4normal open switch, the 5th indicator light L 5after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the 3rd A.C. contactor KM 3normally closed switch, the 4th A.C. contactor KM 4normally closed switch, the 6th indicator light L 6after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the 5th A.C. contactor KM 5normal open switch, the 7th indicator light L 7after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the 6th A.C. contactor KM 6normal open switch, the 8th indicator light L 5after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the 5th A.C. contactor KM 5normally closed switch, the 6th A.C. contactor KM 6normally closed switch, the 9th indicator light L 9after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the 7th A.C. contactor KM 7normal open switch, the tenth indicator light L 10after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the 7th A.C. contactor KM 7normally closed switch, the 11 indicator light L 11after connection again with air circuit QF 2no. 4 end connect;
Air circuit QF 2no. 2 end successively with the first D.C. contactor KA 1normal open switch, the first A.C. contactor KM 1coil connect after again with air circuit QF 2no. 4 end connect; Air circuit QF 2no. 2 end successively with the second D.C. contactor KA 2normal open switch, the second A.C. contactor KM 2coil connect after again with air circuit QF 2no. 4 end connect; Air circuit QF 2no. 2 end successively with the 3rd D.C. contactor KA 3normal open switch, the 3rd A.C. contactor KM 3coil connect after again with air circuit QF 2no. 4 end connect; Air circuit QF 2no. 2 end successively with the 4th D.C. contactor KA 4normal open switch, the 4th A.C. contactor KM 4coil connect after again with air circuit QF 2no. 4 end connect; Air circuit QF 2no. 2 end successively with the 5th D.C. contactor KA 5normal open switch, the 5th A.C. contactor KM 5coil connect after again with air circuit QF 2no. 4 end connect; Air circuit QF 2no. 2 end successively with the 6th D.C. contactor KA 6normal open switch, the 6th A.C. contactor KM 6coil connect after again with air circuit QF 2no. 4 end connect; Air circuit QF 2no. 2 end successively with the 7th D.C. contactor KA 7normal open switch, the 7th A.C. contactor KM 7coil connect after again with air circuit QF 2no. 4 end connect.
Described first radio receiving transmitting module WX1 and the second radio receiving transmitting module WX2 is sent by bluetooth, receive data.
Described remote control equipment adopts Bluetooth technology to carry out signal transmission.
Close three-phase breaker QF 1with air circuit QF 2, the 3rd indicator light L 3, the 6th indicator light L 6, the 9th indicator light L 9, the 11 indicator light L 11bright, remote controller controls control switch K 1, control switch K 2closed, direct-flow storage battery BT is to touch-screen CMP and the second radio receiving transmitting module WX 2power supply, operating personnel arrange the Protection parameters of 1# main pump motor, 2# main pump motor and Hydraulic Station circulating pump motor by touch-screen, the second radio receiving transmitting module WX 2this parameter is sent to PLC, Switching Power Supply BC to PLC conveying 24V power supply, PLC obtain electric after, PLC controls the first A.C. contactor KM respectively 1, the second A.C. contactor KM 2, the 3rd A.C. contactor KM 3, the 4th A.C. contactor KM 4, the 5th A.C. contactor KM 5, the 6th A.C. contactor KM 6, the 7th A.C. contactor KM 7coil obtain electric, the first A.C. contactor KM 1, the second A.C. contactor KM 2, the 3rd A.C. contactor KM 3, the 4th A.C. contactor KM 4, the 5th A.C. contactor KM 5, the 6th A.C. contactor KM 6, the 7th A.C. contactor KM 7closed, the normally closed switch of normal open switch disconnect, the first intellectual motor protection BHQ 1, the second intellectual motor protection BHQ 2, three-motor intellective protector BHQ 1obtain electric, the 3rd indicator light L 3, the 6th indicator light L 6, the 9th indicator light L 9, the 11 indicator light L 11go out, the first indicator light L 1, the second indicator light L 2, the 4th indicator light L 4, the 5th indicator light L 5, the 7th indicator light L 7, the 8th indicator light L 8, the tenth indicator light L 10bright, the first three-phase alternating current output port WA 1, the second three-phase alternating current output port WA 2, the 3rd three-phase alternating current output port WA 3,220V ac output end mouth obtains electric, and PLC controls the first motor can only protector BHQ 1, the second motor can only protector BHQ 2, three-motor can only protector BHQ 1work, PLC controls the first pressure transmitter external-connected port WA 5, the second pressure transmitter WA 6, thermocouple external-connected port WA 7electric, thus control 1# main pump motor, 2# main pump motor, Hydraulic Station circulating pump motor, Hydraulic Station heater, the pressure transmitter of Hydraulic Station, the thermocouple work of Hydraulic Station.
PLC controls the start and stop of major loop contactor by control relay, by receiving and export 4 ~ 20mA and 24V direct current signal acquisition Hydraulic Station meter information, pass through RS485 PORT COM by information feed back to radio receiving transmitting module, the remote wireless controlled of implement device simultaneously.
The present invention compared with prior art, has following major advantage:
One: structure is simple, safety, can meet the electrical system control requirement of Hydraulic Station pipeline self-loopa, carry out the construction working of Hydraulic Station test run in advance;
Its two: be provided with wireless signal transceiver module, by wireless remote control technology, realize the break-make of switch; During site operation, the hand-holdable remote control terminal of operating personnel, is directly completed by touch-screen and instruction between device, reduces the configuration of related personnel, and safer, and efficiency is higher;
Its three: three road 380V alternating voltages and a road 220V alternating voltage can be exported simultaneously, meet the service requirement of a circulating pump and two main oil pump motor and heater in Hydraulic Station; Every road all arranges two contactor pattern in exporting simultaneously, when needs motor inverted running, directly realizes the function of switching phase sequence by switching contactor, reduces the trouble of actual oppositely artificial cable paraphase;
Its four: arranged by PLC and export and receive 4 ~ 20mA and 24V direct current signal, instrument point position on the on-the-spot Hydraulic Station of direct connection, the state informations such as the oil level in Hydraulic Station running, oil temperature, oil pressure are fed back to operating personnel by remote control end, allow operating personnel can grasp Hydraulic Station ruuning situation the very first time, judge; By PLC directly control ac contactor coil electric and dead electricity, thus control the work of motor and heater, operation is very simple, directly contacts 220V or 380V voltage, ensure that the safety of operating personnel without operating personnel;
Its five: three tunnel is all equiped with intellectual motor protection on exporting, the setting of Protection parameters can be carried out to intellectual motor protection according to field apparatus actual conditions by operating personnel before hydraulic pump motor running, for motor provide overheated, the function and protecting such as overcurrent, reduce the infringement to electric equipment; Simultaneously can spacing up and down by touch-screen setting up procedure parameter, avoid occurring in Hydraulic Station running the situations such as high oil temperature, oil pressure be excessive, extend the useful life of product;
Its six: the present invention also can be used as the electrical control gear of other 380V alternating current motors of job site simultaneously, as detection motor running whether formal approaches.
Accompanying drawing explanation
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 light;
Fig. 4 is the circuit diagram of direct current relay and A.C. contactor.
In figure, KM 1 ~ 7-A.C. contactor; KA 1 ~ 7-direct current relay; LCB-AC transformer; L 1-the first indicator light (1# main pump positive phase sequence run indicator); L 2-the second indicator light (1# main pump negative-phase sequence run indicator); L 3-the three indicator light (1# main pump stops indicator light); L 4-the four indicator light (2# main pump positive phase sequence run indicator); L 5-the five indicator light (2# main pump negative-phase sequence run indicator); L 6-the six indicator light (2# main pump stops indicator light); L 7-the seven indicator light (circulating pump positive phase sequence run indicator); L 8-the eight indicator light (circulating pump negative-phase sequence run indicator; L 9-the nine indicator light (circulating pump stopping indicator light); L 10-the ten indicator light (heater run indicator); L 11-the ten one indicator light (heater stopping indicator light); BHQ 1 ~ 3-intellectual motor protection; WA 0-power input port; WA 1 ~ 3-three-phase alternating current output port; WA 4-220V ac output end mouth; WA 5 ~ 6-pressure transmitter external-connected port; WA 7-thermocouple external-connected port; WX 1-the first radio receiving transmitting module, WX 2-the second radio receiving transmitting module; CMP-touch-screen; K 1 ~ 2-control switch; QF 1-three-phase breaker; QF 2-air circuit; BT-direct-flow storage battery; BC-Switching Power Supply; PLC-programmable logic controller (PLC); GL 1 ~ 2-isolator; CA 1 ~ 3-instrument transformer group; TA 1 ~ 3-instrument transformer; Fu 1 ~ 3-fuse.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further.
See Fig. 1-Fig. 4, a kind of Hydraulic Station electrical control protective device, it comprises power input port CA 0, power input port CA 0a 0number end with three-phase breaker QF 1no. 1 end be connected, power input port WA 0b 0number end with three-phase breaker QF 1no. 2 end be connected, power input port WA 0c 0number end with three-phase breaker QF 1no. 3 end be connected, three-phase breaker QF 1no. 4 end with the first A.C. contactor KM 1no. 1 end, the second A.C. contactor KM 2no. 3 ends, the 3rd A.C. contactor KM 3no. 3 ends, the 4th A.C. contactor KM 4no. 1 end, the 5th A.C. contactor KM 5no. 3 ends, the 6th A.C. contactor KM 6no. 1 end be connected, three-phase breaker QF 1no. 5 end with the first A.C. contactor KM 1no. 2 ends, the second A.C. contactor KM 2no. 2 ends, the 3rd A.C. contactor KM 3no. 2 ends, the 4th A.C. contactor KM 4no. 2 ends, the 5th A.C. contactor KM 5no. 2 ends, the 6th A.C. contactor KM 6no. 2 ends, AC transformer LCB No. 1 end be connected, three-phase breaker QF 1no. 6 end with the first A.C. contactor KM 1no. 3 ends, the second A.C. contactor KM 2no. 1 end, the 3rd A.C. contactor KM 3no. 1 end, the 4th A.C. contactor KM 4no. 3 ends, the 5th A.C. contactor KM 5no. 1 end, the 6th A.C. contactor KM 6no. 3 ends, AC transformer LCB No. 2 ends be connected; First A.C. contactor KM 1no. 4 end with the second A.C. contactor KM 2no. 4 ends, fuse Fu 1-3one end, three-phase alternating current output port WA 1a 1number end be connected, the first A.C. contactor KM 1no. 5 end with the second A.C. contactor KM 2no. 5 ends, fuse Fu 1-2one end, three-phase alternating current output port WA 1b 1number end be connected, the first A.C. contactor KM 1no. 6 end with the second A.C. contactor KM 2no. 6 ends, fuse Fu 1-1one end, three-phase alternating current output interface WA 1c 1number end be connected; 3rd A.C. contactor KM 3no. 4 end with the 4th A.C. contactor KM 4no. 4 ends, fuse Fu 2-3one end, three-phase alternating current output interface WA 2a 2number end be connected, the 3rd A.C. contactor KM 3no. 5 end with the 4th A.C. contactor KM 4no. 5 ends, fuse Fu 2-2one end, three-phase alternating current output interface WA 2b 2number end be connected, the 3rd A.C. contactor KM 3no. 6 end with the 4th A.C. contactor KM 4no. 6 ends, fuse Fu 2-1one end, three-phase alternating current output interface WA 2c 2number end be connected; 5th A.C. contactor KM 5no. 4 end with the 6th A.C. contactor KM 6no. 4 ends, fuse Fu 3-3one end, three-phase alternating current output interface WA 3a 3number end be connected, the 5th A.C. contactor KM 5no. 5 end with the 6th A.C. contactor KM 6no. 5 ends, fuse Fu 3-2one end, three-phase alternating current output interface WA 3b 3number end be connected, the 5th A.C. contactor KM 5no. 6 end with the 6th A.C. contactor KM 6no. 6 ends, fuse Fu 3-1one end, three-phase alternating current output interface WA 3c 3number end be connected; Fuse Fu 1-1the other end and the first intellectual motor protection BHQ 1i cend is connected, fuse Fu 1-2the other end and the first intellectual motor protection BHQ 1i bend is connected, fuse Fu 1-3the other end and the first intellectual motor protection BHQ 1i aend is connected; Fuse Fu 2-1the other end and the second intellectual motor protection BHQ 2i cend is connected, fuse Fu 2-2the other end and the second intellectual motor protection BHQ 2i bend is connected, fuse Fu 2-3the other end and the second intellectual motor protection BHQ 2i aend is connected; Fuse Fu 3-1the other end and three-motor intellective protector BHQ 3i cend is connected, fuse Fu 3-2the other end and three-motor intellective protector BHQ 3i bend is connected, fuse Fu 3-3the other end and three-motor intellective protector BHQ 3i aend is connected;
First intellectual motor protection BHQ 1u cend and instrument transformer CA 1-1no. 1 end be connected, the first intellectual motor protection BHQ 1u c *end and instrument transformer CA 1-1no. 2 end be connected; First intellectual motor protection BHQ 1u bend and instrument transformer CA 1-2no. 1 terminal be connected, the first intellectual motor protection BHQ 1u b *end and instrument transformer CA 1-2no. 2 end be connected; First intellectual motor protection BHQ 1u aend and instrument transformer CA 1-3no. 1 end be connected, the first intellectual motor protection BHQ 1u a *end and instrument transformer CA 1-3no. 2 end be connected; First intellectual motor protection BHQ 2k 1end and the first instrument transformer TA 1no. 1 end be connected, the first intellectual motor protection BHQ 1k 2end and the first instrument transformer TA 1no. 2 end be connected; Instrument transformer CA 1-1, instrument transformer CA 1-2, instrument transformer CA 1-3it is the first instrument transformer group;
Second intellectual motor protection BHQ 2u cend and instrument transformer CA 2-1no. 1 end be connected, the second intellectual motor protection BHQ 2u c *end and instrument transformer CA 2-1no. 2 end be connected; Second intellectual motor protection BHQ 2u bend and instrument transformer CA 2-2no. 1 end be connected, the second intellectual motor protection BHQ 2u b *end and instrument transformer CA 2-2no. 2 end be connected; Second intellectual motor protection BHQ 2u aend and instrument transformer CA 2-3no. 1 end be connected, the second intellectual motor protection BHQ 2u a *end and instrument transformer CA 2-3no. 2 end be connected; Second intellectual motor protection BHQ 2k 1end and the second instrument transformer TA 2no. 1 end be connected, the second intellectual motor protection BHQ 2k 2end and the second instrument transformer TA 2no. 2 end be connected; Instrument transformer CA 2-1, instrument transformer CA 2-2, instrument transformer CA 2-3it is the second instrument transformer group;
Three-motor intellective protector BHQ 3u cend and instrument transformer CA 3-1no. 1 end be connected, three-motor intellective protector BHQ 3u c *end and instrument transformer CA 3-1no. 2 end be connected; Three-motor intellective protector BHQ 3u bend and instrument transformer CA 3-2no. 1 end be connected, three-motor intellective protector BHQ 3u b *end and instrument transformer CA 3-2no. 2 end be connected; Three-motor intellective protector BHQ 3u aend and instrument transformer CA 3-3no. 1 end be connected, three-motor intellective protector BHQ 3u a *end and instrument transformer CA 3-3no. 2 terminals be connected; Three-motor intellective protector BHQ 3k1 end with the 3rd instrument transformer TA 3no. 1 end be connected, three-motor intellective protector BHQ 3k 2end and the 3rd instrument transformer TA 3no. 2 end be connected; Instrument transformer CA 3-1, instrument transformer CA 3-2, instrument transformer CA 3-3it is the 3rd instrument transformer group.
No. 3 ends of AC transformer LCB and air circuit QF 2no. 1 end be connected, No. 4 of AC transformer LCB ends and air circuit QF 2no. 3 end be connected, air circuit QF 2no. 2 ends are held with the L of Switching Power Supply BC, the L of PLC holds, the 7th A.C. contactor KM 7no. 2 ends, the first intellectual motor protection BHQ 1l end, the second intellectual motor protection BHQ 2l end, three-motor intellective protector BHQ 3l end, the first A.C. contactor KM 1one end of normal open switch, the second A.C. contactor KM 2one end of normal open switch, the first A.C. contactor KM 1one end of normally closed switch, the 3rd A.C. contactor KM 3one end of normal open switch, the 4th A.C. contactor KM 4one end of normal open switch, the 3rd A.C. contactor KM 3one end of normally closed switch, the 5th A.C. contactor KM 5one end of normal open switch, the 6th A.C. contactor KM 6one end of normal open switch, the 5th A.C. contactor KM 5one end of normally closed switch, the 7th A.C. contactor KM 7one end of normal open switch, the 7th A.C. contactor KM 7one end of normally closed switch, the first direct current relay KA 1one end of normal open switch, the second direct current relay KA 2one end of normal open switch, the 3rd direct current relay KA 3one end of normal open switch, the 4th direct current relay KA 4one end of normal open switch, the 5th direct current relay KA 5one end of normal open switch, the 6th direct current relay KA 6one end of normal open switch, the 7th direct current relay KA 7one end of normal open switch be connected; Air circuit QF 2no. 4 ends hold with the N of Switching Power Supply BC, the 7th A.C. contactor KM 7no. 1 terminal, PLC N end, the first intellectual motor protection BHQ 1n end, the second intellectual motor protection BHQ 2n end, three-motor intellective protector BHQ 3n end, 1# main pump positive phase sequence run indicator L 1one end, 1# main pump negative-phase sequence run indicator L 2one end, 1# main pump stop indicator light L 3one end, 2# main pump positive phase sequence run indicator L 4one end, 2# main pump negative-phase sequence run indicator L 5one end, 2# main pump stop indicator light L 6one end, circulating pump positive phase sequence run indicator L 7one end, circulating pump negative-phase sequence run indicator L 8one end, circulating pump stop indicator light L 9one end, heater run indicator L 10one end, heater stop indicator light L 11one end, the first A.C. contactor KM 1one end of coil, the second A.C. contactor KM 2one end of coil, the 3rd A.C. contactor KM 3one end of coil, the 4th A.C. contactor KM 4one end of coil, the 5th A.C. contactor KM 5one end of coil, the 6th A.C. contactor KM 6one end of coil, the 7th A.C. contactor KM 7one end of coil is connected; 7th A.C. contactor KM 7no. 3 end with 220V ac output end mouth WA 4no. 1 end be connected, the 7th A.C. contactor KM 7no. 4 terminals and 220V ac output end mouth WA 4no. 2 end be connected;
First A.C. contactor KM 1the other end of normal open switch and 1# main pump positive phase sequence run indicator L 1the other end be connected; Second A.C. contactor KM 2the other end of normal open switch and 1# main pump negative-phase sequence run indicator L 2the other end be connected; First A.C. contactor KM 1the other end of normally closed switch by the second A.C. contactor KM 2normally closed switch and 1# main pump stop indicator light L 3the other end be connected; 3rd A.C. contactor KM 3the other end of normal open switch and 2# main pump positive phase sequence run indicator L 4the other end be connected; 4th A.C. contactor KM 4the other end of normal open switch and 2# main pump negative-phase sequence run indicator L 5the other end be connected; 3rd A.C. contactor KM 3the other end of normally closed switch by the 4th A.C. contactor KM 4normally closed switch and 2# main pump stop indicator light L 6the other end be connected; 5th A.C. contactor KM 5the other end of normal open switch and circulating pump positive phase sequence run indicator L 7the other end be connected; 6th A.C. contactor KM 6the other end of normal open switch and circulating pump negative-phase sequence run indicator L 8the other end be connected; 5th A.C. contactor KM 5the other end of normally closed switch by the 6th A.C. contactor KM 6normally closed switch and circulating pump stop indicator light L 9the other end be connected; 7th A.C. contactor KM 7the other end of normal open switch and heater run indicator L 10the other end be connected; 7th A.C. contactor KM 7the other end of normally closed switch and heater stop indicator light L 11the other end be connected;
First direct current relay KA 1the other end of normal open switch and the first A.C. contactor KM 1the other end of coil is connected, the second direct current relay KA 2the other end of normal open switch and the first A.C. contactor KM 2the other end of coil is connected, the 3rd direct current relay KA 3the other end of normal open switch and the first A.C. contactor KM 3the other end of coil is connected, the 4th direct current relay KA 4the other end of normal open switch and the first A.C. contactor KM 4the other end of coil is connected, the 5th direct current relay KA 5the other end of normal open switch and the first A.C. contactor KM 5the other end of coil is connected, the 6th direct current relay KA 6the other end of normal open switch and the first A.C. contactor KM 6the other end of coil is connected, the 7th direct current relay KA 7the other end of normal open switch and the first A.C. contactor KM 7the other end of coil is connected;
The 24V+ end of Switching Power Supply BC is held with the 24V+ of PLC and is connected, and the 24V-end of Switching Power Supply BC is held with the 24V-of PLC and is connected, 5V+ end and the first radio receiving transmitting module WX of Switching Power Supply BC 15V+ end be connected, the 5V-of Switching Power Supply BC end and the first radio receiving transmitting module WX 15V-end be connected, the first radio receiving transmitting module WX 1485+ end to hold with the CH4 passage 485+ of PLC and be connected, the first radio receiving transmitting module WX 1485-end hold with the CH4 passage 485-of programmable logic controller (PLC) and is connected, the COM of programmable logic controller (PLC) holds and the first direct current relay KA 1one end of coil, the second direct current relay KA 2one end of coil, the 3rd direct current relay KA 3one end of coil, the 4th direct current relay KA 4one end of coil, the 5th direct current relay KA 5one end of coil, the 6th direct current relay KA 6one end of coil, the 7th direct current relay KA 7one end of coil is connected; First direct current relay KA 1the other end of coil and the Y of programmable logic controller (PLC) 1end is connected, the second direct current relay KA 2the other end of coil and the Y of programmable logic controller (PLC) 2end is connected, the 3rd direct current relay KA 3the other end of coil and the Y of programmable logic controller (PLC) 3end is connected, the 4th direct current relay KA 4the other end of coil and the Y of programmable logic controller (PLC) 4end is connected, the 5th direct current relay KA 5the other end of coil and the Y of programmable logic controller (PLC) 5end is connected, the 6th direct current relay KA 6the other end of coil and the Y of programmable logic controller (PLC) 6end is connected, the 7th direct current relay KA 7the other end of coil and the Y of programmable logic controller (PLC) 7end is connected; The CH of programmable logic controller (PLC) 1passage 485+ holds and the first intellectual motor protection BHQ 1modbus communication interface 485+ hold be connected, the CH of programmable logic controller (PLC) 1passage 485-holds and the first intellectual motor protection BHQ 1modbus communication interface 485-hold be connected, the CH of programmable logic controller (PLC) 2passage 485+ holds and the second intellectual motor protection BHQ 2modbus communication interface 485+ hold be connected, the CH of programmable logic controller (PLC) 2passage 485-holds and the second intellectual motor protection BHQ 2modbus communication interface 485-hold be connected, the CH of programmable logic controller (PLC) 3passage 485+ holds and three-motor intellective protector BHQ 3modbus communication interface 485+ hold be connected, the CH of programmable logic controller (PLC) 3passage 485-holds and three-motor intellective protector BHQ 3modbus communication interface 485-hold and be connected, No. 1 of programmable logic controller (PLC) end and the first isolator GL 1no. 1 end be connected, No. 2 of programmable logic controller (PLC) ends and the first isolator GL 1no. 2 end be connected; No. 3 ends of programmable logic controller (PLC) and the second isolator GL 2no. 1 end be connected, No. 4 of programmable logic controller (PLC) ends and the second isolator GL 2no. 2 end be connected; No. 5 ends of programmable logic controller (PLC) and thermocouple external-connected port WA 7no. 1 end be connected, No. 6 of programmable logic controller (PLC) ends and thermocouple external-connected port WA 7no. 2 end be connected; First isolator GL 1no. 3 end with the first pressure transmitter external-connected port WA 5no. 1 end be connected, the first isolator GL 1no. 4 end with the first pressure transmitter external-connected port WA 5no. 2 end be connected; Second isolator GL 2no. 3 end with the second pressure transmitter external-connected port WA 6no. 1 terminal be connected, the second isolator GL 2no. 4 end with the second pressure transmitter external-connected port WA 6no. 2 end be connected;
Second radio receiving transmitting module WX 25V+ terminal and the first control switch K 1no. 1 end be connected, the second radio receiving transmitting module WX 25V-terminal and the first control switch K 1no. 2 end be connected, the second radio receiving transmitting module WX 2485+ terminal and touch-screen CMP No. 485+ hold and be connected, the second radio receiving transmitting module WX 2485-terminal be connected with the 485-terminal of touch-screen CMP, the first control switch K 1no. 3 ends be connected with the 5V+ terminal of direct-flow storage battery BT, the first control switch K 1no. 4 ends be connected with the 5V-terminal of direct-flow storage battery BT; No. 24V+ end of direct-flow storage battery BT and the second control switch K 2no. 3 ends be connected, No. 24V-of direct-flow storage battery BT end and the second control switch K 2no. 4 end be connected, the second control switch K 2no. 1 end be connected with the 24V+ terminal of touch-screen CMP, the second control switch K 2no. 2 ends be connected with the 24V-terminal of touch-screen CMP.
In the present embodiment, A.C. contactor KM 1 ~ 7for CJ20J-100A type A.C. contactor, convertor transformer LCB is DG-3 type AC transformer, intellectual motor protection BHQ 1 ~ 3for JDB-YE+ electric motor protecting supervising device, radio receiving transmitting module WX 1, WX 2for KYL-1020U type radio receiving transmitting module, touch-screen CMP is MT6070iH type touch-screen, direct current relay KA 1 ~ 7for MY2N-GS DC24 type 24V direct current relay, direct-flow storage battery BT is AC220V/DC5V-2A/DC24V-0.5A type direct-flow storage battery, air circuit QF 2for C65N 2P-C40 type air circuit, three-phase breaker QF 1for HM1 series three phase circuit breaker, isolator GL 1 ~ 2for GS8500-EX type isolator, indicator light L 1 ~ 11for AD16 type indicator light.
During use, by power input port WA 0external 380V temporary source, connects the three-phase input end of Hydraulic Station 1# main pump motor to the first three-phase alternating current output WA by cable 1on, connect the three-phase input end of Hydraulic Station 2# main pump motor to the second three-phase alternating current output WA 2on, connect the three-phase input end of Hydraulic Station circulating pump motor to the 3rd three-phase alternating current output WA 3on, connect Hydraulic Station heater to 220V ac output end WA 4on, connect the pressure transmitter of Hydraulic Station to pressure transmitter external-connected port WA 5 ~ 6on, connect the thermocouple of Hydraulic Station to thermocouple external-connected port WA 7on.Now close three-phase breaker QF 1with air circuit QF 2, the 3rd indicator light (1# main pump stops indicator light) L 3, the 6th indicator light (2# main pump stop indicator light) L 6, the 9th indicator light (circulating pump stopping indicator light) L 9, the 11 indicator light (heater stopping indicator light) L 11bright, adopt remote control end to control, close the first control switch K 1, the second control switch K 2, operating personnel carry out three motor protection optimum configurations according to external motor model and parameter by touch-screen CMP, can carry out remote control on off control after completing to Hydraulic Station three motor, heater.

Claims (2)

1. a Hydraulic Station electrical control protective device, it comprises major loop and control loop, it is characterized in that:
Described major loop comprises power input port WA 0, described power input port WA 0with three-phase breaker QF 11,2, No. 3 end connect, three-phase breaker QF 14,5, No. 6 end respectively with the first A.C. contactor KM 11,2, No. 3 of normal open switch end connect, the first A.C. contactor KM 14,5, No. 6 ends of normal open switch 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 KM 14,5, No. 6 ends of normal open switch be connected with the first intellectual motor protection by the first fuse; And the first A.C. contactor KM 14,5, No. 6 of normal open switch hold the wire be connected with the first three-phase alternating current output port to be provided with the first instrument transformer group and the first instrument transformer, this first instrument transformer group and the first instrument transformer and the first intellectual motor protection BHQ 1connect;
First A.C. contactor KM 11,2, No. 3 of normal open switch end respectively with the second A.C. contactor KM 23,2, No. 1 of normal open switch ends connect, the first A.C. contactor KM 14,5, No. 6 of normal open switch ends respectively with the second A.C. contactor KM 24,5, No. 6 of normal open switch ends connect;
Three-phase breaker QF 14,5, No. 6 end respectively with the 3rd A.C. contactor KM 31,2, No. 3 of normal open switch end connect, the 3rd A.C. contactor KM 34,5, No. 6 ends of normal open switch be connected with the second three-phase alternating current output port, this second three-phase alternating current output port is connected with the three-phase input end of 2# main pump motor; 3rd A.C. contactor KM 34,5, No. 6 ends of normal open switch be connected with the second intellectual motor protection by the second fuse; And the 3rd A.C. contactor KM 34,5, No. 6 of normal open switch hold the wire be connected with the second three-phase alternating current output port to be provided with the second instrument transformer group and the second instrument transformer, this second instrument transformer group and the second instrument transformer and the second intellectual motor protection BHQ 2connect;
3rd A.C. contactor KM 31,2, No. 3 of normal open switch end respectively with the 4th A.C. contactor KM 43,2, No. 1 of normal open switch ends connect, the 3rd A.C. contactor KM 34,5, No. 6 of normal open switch ends respectively with the 4th A.C. contactor KM 44,5, No. 6 of normal open switch ends connect;
Three-phase breaker QF 14,5, No. 6 end respectively with the 5th A.C. contactor KM 51,2, No. 3 of normal open switch end connect, the 5th A.C. contactor KM 54,5, No. 6 ends of normal open switch be connected with the 3rd three-phase alternating current output port, the 3rd three-phase alternating current output port is connected with the three-phase input end of Hydraulic Station circulating pump motor; 5th A.C. contactor KM 54,5, No. 6 ends of normal open switch be connected with three-motor intellective protector by the 3rd fuse; And the 5th A.C. contactor KM 54,5, No. 6 of normal open switch hold the wire be connected with the 3rd three-phase alternating current output port to be provided with the 3rd instrument transformer group and the 3rd instrument transformer, the 3rd instrument transformer group and the 3rd instrument transformer and three-motor intellective protector BHQ 3connect;
5th A.C. contactor KM 51,2, No. 3 of normal open switch end respectively with the 6th A.C. contactor KM 63,2, No. 1 of normal open switch ends connect, the 5th A.C. contactor KM 54,5, No. 6 of normal open switch ends respectively with the 6th A.C. contactor KM 64,5, No. 6 of normal open switch ends connect;
Described control loop comprises AC transformer LCB, 1, No. 2 of AC transformer LCB end respectively with three-phase breaker QF 15, No. 6 ends connect, 3, No. 4 of AC transformer LCB ends and air circuit QF 21, No. 3 end connect, air circuit QF 22, No. 4 end by Switching Power Supply BC and the first radio receiving transmitting module WX 1connect, the first radio receiving transmitting module WX 1connect and be connected with PLC; Air circuit QF 22, No. 4 ends be connected with PLC, Switching Power Supply BC is connected with PLC; Air circuit QF 22, No. 4 end by the 7th A.C. contactor KM 7normal open switch connect after be connected with 220V ac output end again, this 220V ac output end is connected with Hydraulic Station heater; 7 control ends of PLC respectively with the first direct current relay KA 1, the second direct current relay KA 2, the 3rd direct current relay KA 3, the 4th direct current relay KA 4, the 5th direct current relay KA 5, the 6th direct current relay KA 6, the 7th direct current relay KA 7coil is connected with the common port of PLC after connecting again; PLC is by the first isolator GL 1be connected with the first pressure transmitter external tapping, this first pressure transmitter external tapping is connected with the first pressure transmitter of Hydraulic Station; PLC is by the second isolator GL 2be connected with the second pressure transmitter external tapping, this second pressure transmitter external tapping is connected with the second pressure transmitter of Hydraulic Station; PLC is connected with thermocouple external-connected port, and this thermocouple external-connected port is connected with the thermocouple of Hydraulic Station; First radio receiving transmitting module WX 1receive the second radio receiving transmitting module WX 2the data sent, the second radio receiving transmitting module WX 2be connected with touch-screen CMP, the second radio receiving transmitting module WX 2by the first control switch K 1be connected with direct-flow storage battery BT, touch-screen CMP is by the second control switch K 2be connected with direct-flow storage battery BT; First control switch K 1with the second control switch K 2controlled by remote controller; PLC respectively with the first intellectual motor protection BHQ in major loop 1, the second intellectual motor protection BHQ 2, three-motor intellective protector BHQ 3connect;
Air circuit QF 2no. 2 end successively with the first A.C. contactor KM 1normal open switch, the first indicator light L 1after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the second A.C. contactor KM 2normal open switch, the second indicator light L 2after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the first A.C. contactor KM 1normally closed switch, the second A.C. contactor KM 2normally closed switch, the 3rd indicator light L 3after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the 3rd A.C. contactor KM 3normal open switch, the 4th indicator light L 4after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the 4th A.C. contactor KM 4normal open switch, the 5th indicator light L 5after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the 3rd A.C. contactor KM 3normally closed switch, the 4th A.C. contactor KM 4normally closed switch, the 6th indicator light L 6after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the 5th A.C. contactor KM 5normal open switch, the 7th indicator light L 7after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the 6th A.C. contactor KM 6normal open switch, the 8th indicator light L 5after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the 5th A.C. contactor KM 5normally closed switch, the 6th A.C. contactor KM 6normally closed switch, the 9th indicator light L 9after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the 7th A.C. contactor KM 7normal open switch, the tenth indicator light L 10after connection again with air circuit QF 2no. 4 end connect, air circuit QF 2no. 2 end successively with the 7th A.C. contactor KM 7normally closed switch, the 11 indicator light L 11after connection again with air circuit QF 2no. 4 end connect;
Air circuit QF 2no. 2 end successively with the first D.C. contactor KA 1normal open switch, the first A.C. contactor KM 1coil connect after again with air circuit QF 2no. 4 end connect; Air circuit QF 2no. 2 end successively with the second D.C. contactor KA 2normal open switch, the second A.C. contactor KM 2coil connect after again with air circuit QF 2no. 4 end connect; Air circuit QF 2no. 2 end successively with the 3rd D.C. contactor KA 3normal open switch, the 3rd A.C. contactor KM 3coil connect after again with air circuit QF 2no. 4 end connect; Air circuit QF 2no. 2 end successively with the 4th D.C. contactor KA 4normal open switch, the 4th A.C. contactor KM 4coil connect after again with air circuit QF 2no. 4 end connect; Air circuit QF 2no. 2 end successively with the 5th D.C. contactor KA 5normal open switch, the 5th A.C. contactor KM 5coil connect after again with air circuit QF 2no. 4 end connect; Air circuit QF 2no. 2 end successively with the 6th D.C. contactor KA 6normal open switch, the 6th A.C. contactor KM 6coil connect after again with air circuit QF 2no. 4 end connect; Air circuit QF 2no. 2 end successively with the 7th D.C. contactor KA 7normal open switch, the 7th A.C. contactor KM 7coil connect after again with air circuit QF 2no. 4 end connect.
2. Hydraulic Station electrical control protective device as claimed in claim 1, is characterized in that:
Described first radio receiving transmitting module WX 1with the second radio receiving transmitting module WX 2sent by bluetooth, receive data.
CN201510269966.XA 2015-05-25 2015-05-25 Hydraulic station electrical control protection device Active CN104882854B (en)

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