CN206886459U - A kind of elevator control system - Google Patents
A kind of elevator control system Download PDFInfo
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- CN206886459U CN206886459U CN201720652541.1U CN201720652541U CN206886459U CN 206886459 U CN206886459 U CN 206886459U CN 201720652541 U CN201720652541 U CN 201720652541U CN 206886459 U CN206886459 U CN 206886459U
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Abstract
The utility model discloses a kind of elevator control system, it is related to control field, the system includes：Control circuit, operation main circuit, motor and lift, run the input connection three phase mains of main circuit, output end connection motor, motor connection lift, control circuit control connection operation main circuit；Start button control connection main contactor contact in control circuit, switch relay coil control connection the first work frequency conversion switching switch and the second work frequency conversion switching switch, run the power transfer relay switch in the power transfer relay coil control connection control circuit in main circuit, power transfer relay coil is powered in frequency converter failure and controls power transfer relay switch to close, so that switching relay coil is powered and controls the first work frequency conversion switching switch and the second work frequency conversion to switch switch switching, the system allows operation main circuit to be switched to power frequency mode operation from variable mode automatically in frequency converter failure, it ensure that the continuous work of lift.
Description
Technical field
Control field is the utility model is related to, especially a kind of elevator control system.
Background technology
With the rapid development of the national economy, building hoist has extensively in the various fields such as construction site and underground hoistway
General application, elevator system is generally by the electronic box, motor and the elevator group that are sequentially connected into electronic box motor, so as to real
The work such as the lifting start and stop of existing lift.According to the difference of the mode of electronic box motor, electronic box is divided into power frequency electronic box and frequency conversion
Two kinds of electronic box, power frequency electronic box determine frequency power motor using what power network provided；Frequency conversion electronic box uses different frequency driving electricity
Machine, frequency conversion electronic box can realize the speed-regulating function of lift, can make lift even running in shutdown process.
During the use of elevator system, no matter using power frequency electronic box motor realize lift work or
The work of lift is realized using frequency conversion electronic box motor, if electronic box breaks down, elevator system can directly stop work
Make, easily delay the duration.
Utility model content
The present inventor is regarding to the issue above and technical need, it is proposed that a kind of elevator control system, the utility model are public
Control circuit can control operation main circuit with power frequency and frequency conversion both of which motor in the system opened, in frequency converter failure
When can be switched to power frequency mode operation from variable mode automatically, ensure the continuous work of lift.
The technical solution of the utility model is as follows：
A kind of elevator control system, the system include：Control circuit, operation main circuit, motor and lift, operation master
The input connection three phase mains of circuit, output end connection motor, motor connection lift, control circuit control connection operation master
Circuit；
Control circuit includes modular converter, operation module, event in start stop operation module, work frequency conversion modular converter, cage top/cage
Barrier module, brake module, rise control module, decline control module and spacing module, the first end connection of start stop operation module
Power supply is controlled, the second end of start stop operation module connects modular converter in cage top/cage, and the 3rd end of start stop operation module is in parallel even
Operation module, malfunctioning module, brake module, rising control module, decline control module and spacing module are connect, control power supply also connects
Connect one end of work frequency conversion modular converter, modular converter, operation module, malfunctioning module, brake in work frequency conversion modular converter, cage top/cage
Car module, the control module that rises, the other end that declines control module and spacing module are grounded respectively；Start stop operation module include according to
Electric lock switch, scram button, start button, the 11st relay switch, catching device switch, the phase sequence relay switch of secondary series connection
Switched with overload protection, the first end of one end connection start stop operation module of the series circuit, other end connection start stop operation mould
3rd end of block, scram button and the common port of start button connect the second end of start stop operation module；Start button also with hand
Hold start button and main contactor auxiliary contact are in parallel, the 11st relay switch is also in parallel with hand-held emergency stop switch；Wherein, it is electric
Lock-switch, main contactor auxiliary contact, start button and hand-held start button are open types, the 11st relay switch, anti-fall
Device switch, phase sequence relay switch, overload protection switch, scram button and hand-held emergency stop switch are closed types；Malfunctioning module is extremely
Few power transfer relay switch and switching relay coil for including series connection, one end connection start stop operation module of the series circuit
3rd end, other end ground connection, power transfer relay switch is open type；
Operation main circuit includes main contactor contact, the first work frequency conversion switching switchs, the second work frequency conversion switching is switched, become
Frequency device, upcoming contact device contact, descending contacts of contactor and power transfer relay coil, three phase mains by main contactor contact and
The signal input part of first work frequency conversion switching switch connection frequency converter, the signal output part of frequency converter are switched by the second work frequency conversion
Switch connection motor, one end of the failure output terminal connecting fault relay coil of frequency converter, power transfer relay coil it is another
The common port of the power end of end connection frequency converter, main contactor contact and the first work frequency conversion switching switch is also respectively connected with up connect
Tentaculum contact and one end of descending contacts of contactor, upcoming contact device contact connect electricity with the other end of descending contacts of contactor
Machine, main contactor contact, upcoming contact device contact and descending contacts of contactor are open type contact；
Start button control connection main contactor contact and main contactor auxiliary contact, switching relay coil control connection
First work frequency conversion switching switch and the second work frequency conversion switching switch, power transfer relay coil control connecting fault relay switch,
Power transfer relay coil is powered in frequency converter failure and controls power transfer relay switch closure, and switching relay coil is in failure
Relay switch is powered when closing and controls the first work frequency conversion switching switch and the second work frequency conversion to switch switch switching.
Its further technical characteristic is, run also include in main circuit the second relay switch, the 3rd relay switch,
4th relay switch, reset relay switch, the 5th relay coil and braking resistor；Second relay switch, the 3rd after
One end of electric switch, the 4th relay switch and reset relay switch is respectively connected with and connects the public port of frequency converter,
3rd multistage speed control port of the other end connection frequency converter of the 4th relay switch, the other end of the second relay switch connect
The the first multistage speed control port and the 4th multistage speed control port of frequency converter are connect, the other end connection of the 3rd relay switch becomes
The the second multistage speed control port and the 5th multistage speed control port of frequency device, the other end connection frequency converter of reset relay switch
The 6th multistage speed control port；5th relay coil one end connection frequency converter the first relay output end, the 5th after
The other end ground connection of electric apparatus coil, the second relay output end connection control power supply of frequency converter；One end connection of braking resistor
First braking resistor Wiring port of frequency converter, the other end connect the second braking resistor Wiring port of frequency converter.
Its further technical characteristic is that system also includes transformer, band-type brake control circuit and band-type brake, band-type brake connection electricity
Machine；The both ends of the primary coil of transformer connect two live wires of three phase mains, the secondary coil connection band-type brake of transformer respectively
One end of control circuit, the other end connection band-type brake of band-type brake control circuit.
Advantageous effects of the present utility model are：
Control circuit can control operation main circuit with power frequency and frequency conversion both of which motor, in frequency converter failure
Automatically power frequency mode operation can be switched to from variable mode, not only can ensures to rise during professional rushes maintenance
The continuous work of drop machine, and do not need operating personnel just manually to be switched over after finding failure, automaticity is high.
Brief description of the drawings
Fig. 1 is the structural representation of elevator control system of the present utility model.
Fig. 2 is the structural representation of the control circuit in elevator control system.
Fig. 3 is the circuit diagram of the control circuit in elevator control system.
Fig. 4 is the circuit diagram of the operation main circuit in elevator control system.
Fig. 5 is the circuit diagram of the operation main circuit in elevator control system.
Fig. 6 is the circuit diagram of the control circuit in elevator control system.
Fig. 7 is the circuit diagram of the operation main circuit in elevator control system.
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
Fig. 1 is refer to, it illustrates a kind of structural representation of elevator control system disclosed in the utility model, this is
System includes：Control circuit, operation main circuit, motor M and lift, run the input connection three phase mains of main circuit, output
End connection motor, the output end for running main circuit is also three-phase output end, as shown in figure 1, motor connection lift, control circuit
Control connection operation main circuit, control circuit is by controlling operation main circuit so as to variable mode or power frequency mode activated electricity
Machine, and realize the work of lift.
Fig. 2 is refer to, it illustrates the structural representation of control circuit, control circuit includes start stop operation module, work becomes
Modular converter, operation module, malfunctioning module, brake module, rising control module, decline control in frequency modular converter, cage top/cage
Module and spacing module, the first end connection control power Vcc of start stop operation module, control power Vcc is typically 24V, start and stop
Modular converter in the second end connection cage top/cage of operation module, the 3rd end of start stop operation module are connected in parallel operation module, event
Barrier module, brake module, rise control module, decline control module and spacing module, control power supply is also connected with work frequency conversion conversion
One end of module, modular converter in work frequency conversion modular converter, cage top/cage, operation module, malfunctioning module, brake module, rise control
The other end of molding block, decline control module and spacing module is grounded respectively.
Wherein, start stop operation module includes being sequentially connected in series electric lock switch EV, scram button SAO, start button SB1, the
11 relay switch KA11, catching device switch SLO, phase sequence relay switch XJ and overload protection switch XL, the series circuit
One end connection start stop operation module first end, the other end connects the 3rd end of start stop operation module, scram button SAO and opens
Second end of dynamic button SB1 common port connection start stop operation module.Start button SB1 also with hand-held start button SB4 and master
Contactor auxiliary contact KM2 is in parallel, and the 11st relay switch KA11 is also in parallel with hand-held emergency stop switch SB2, and wherein electric lock is opened
It is open type to close EV, main contactor auxiliary contact KM2, start button SB1 and hand-held start button SB4, and the 11st relay is opened
KA11, catching device switch SLO, phase sequence relay switch XJ and overload protection switch XL, scram button SAO and hand-held jerk is closed to open
It is closed type to close SB2.Malfunctioning module comprises at least the power transfer relay switch KA6 and switching relay coil ZH7 of series connection, the string
Join the 3rd end of one end connection start stop operation module of circuit, other end ground connection, power transfer relay switch KA6 is open type, please
With reference to figure 3.
Fig. 4 is refer to, it illustrates the structural representation of operation main circuit, the operation main circuit includes main contactor contact
KM2, the first work frequency conversion switching switch ZH7, the second work frequency conversion switching switch ZH7, frequency converter TF, upcoming contact device contact KMU, under
Row contacts of contactor KMD and power transfer relay coil KA6.Three phase mains is cut by main contactor contact KM2 and the first work frequency conversion
Switch ZH7 connection frequency converters TF signal input part (R, S, T) is changed, frequency converter TF signal output part (U, V, W) passes through second
The one of work frequency conversion switching switch ZH7 connections motor M, frequency converter TF failure output terminal D01 connecting fault relay coils KA6
End, power transfer relay coil KA6 other end connection frequency converter TF+24V power ends；Main contactor contact KM2 and the first work
Frequency conversion switching switch ZH7 common port is also respectively connected with upcoming contact device contact KMU and descending contacts of contactor KMD one end,
Upcoming contact device contact KMU connects motor M with the descending contacts of contactor KMD other end, wherein, main contactor contact KM2, on
Row contacts of contactor KMU and descending contacts of contactor KMD is open type contact.
Control circuit and the annexation that controls of operation main circuit are：Start button SB1 control connection main contactors contact
KM2 and main contactor auxiliary contact KM2, switching relay coil ZH7 control connection the first work frequency conversion switching switches ZH7 and second
Work frequency conversion switching switch ZH7, power transfer relay coil KA6 control connecting fault relay switch KA6.
Optionally, the system generally also includes transformer TC, band-type brake control circuit and band-type brake BK, band-type brake BK connection motors M；
The both ends of transformer TC primary coil connect two live wires of three phase mains, transformer TC secondary coil connection band-type brake respectively
One end of control circuit, the other end connection band-type brake BK of band-type brake control circuit, when the system includes multiple motor M, each
Motor M is corresponding to connect a band-type brake BK, then the other end of band-type brake control circuit connects each band-type brake BK respectively, refer to Fig. 5.
It is related to specific circuit structure, the utility model there can be numerous embodiments, typical real with one below
Example is applied to illustrate particular circuit configurations and operation principle of the present utility model.
Fig. 6 is refer to, a kind of circuit diagram of the control circuit provided it illustrates the present embodiment.
Work frequency conversion modular converter includes the switching relay switch ZH7 and the 30th relay coil KA30 being sequentially connected in series,
One end connection control power supply of the series circuit, other end ground connection, switching relay switch ZH7 is open type contact.
Modular converter includes the cage top change-over switch SA2 of open type in cage top/cage, and cage top change-over switch SA2 one end connects
The second end of start stop operation module is connect, the other end is connected in parallel the 11st relay coil KA11 and the 7th relay coil KA7,
11st relay coil KA11 and the 7th relay coil KA7 other end is grounded respectively.
Operation module includes the 30th relay switch KA30 of open type, and the 30th relay switch KA30 one end connects
The 3rd end of start stop operation module is connect, the other end is connected in parallel the 20th relay coil KA20, the 21st relay coil
KA21 and the 22nd relay coil KA22, the 20th relay coil KA20, the 21st relay coil KA21 and
The 22 relay coil KA22 other end is grounded respectively.
Malfunctioning module include be connected in parallel the 12nd relay coil KA12, the 8th relay coil KA8, the 60th after
Electric apparatus coil KA60 and the first relay coil KA1, the 3rd end of one end connection start stop operation module of the parallel circuit are another
End ground connection, one end of the parallel circuit is also connected with Fisrt fault relay switch KA6 one end, Fisrt fault relay switch
The KA6 other end connecting fault lamp L, trouble light L other end ground connection.One end of the parallel circuit is also connected with the second failure relay
Device switchs KA6 one end, the second power transfer relay switch KA6 other end connection switching relay coil ZH7, switches relay
Coil ZH7 other end ground connection.Fisrt fault relay switch KA6 and the second power transfer relay switch KA6 is that open type is touched
Point.
Brake module includes the band-type brake relay switch KA5 and the tenth relay coil KA10 being sequentially connected in series, the series electrical
The one end on road passes sequentially through the 8th relay switch KA8 and the 6th relay switch KA6 series circuit is connected to start stop operation
3rd end of module, series circuit other end ground connection.Wherein, band-type brake relay switch KA5 and the 8th relay switch KA8 are
Open type, the 6th relay switch KA6 is closed type.
Band-type brake relay switch KA5 and the 8th relay switch KA8 common port be sequentially connected in series roof door switch SL1,
Double door switch SL2, single open-door switch SL3 and the 7th relay normally closed switch KA7, the 7th relay normally closed switch KA7's is another
One end, which is connected in parallel, to be risen control module, declines control module and spacing module；Single open-door switchs SL3 and the 7th relay is normally closed
Switch KA7 common port is also connected with the 7th relay normally open switch KA7 one end, and the 7th relay normally open switch KA7's is another
End is also connected with rising button SBU and declines button SBD, and the other end connection for rising button SBU rises the 3rd end of control module,
The other end connection for declining button SBD declines the 3rd end of control module.Wherein, roof door switch SL1, double door switch SL2, list
Door open switch SL3 is closed type, and it is all open type to rise button SBU and decline button SBD.
Rising control module includes the lifting operations handle S1 that is sequentially connected in series and upper limit switch ST1, and the one of the series circuit
End connection the 7th relay normally closed switch KA7, the other end connect respectively in the 20th relay linkage contact sets the 20th after
Electrical equipment normally closed switch and the 20th relay normally open switch, the other end of the 20th relay normally closed switch connect the second relay
Coil KA2, the other end connection vertical relay coil KAU and the first relay coil KA1 of the 20th relay normally open switch,
Second relay coil KA2, vertical relay coil KAU and the first relay coil KA1 other end are grounded respectively.Rise behaviour
The common port for making handle S1 and upper limit switch ST1 is the 3rd end of the rising control module, rises button SBU for connecting.Its
In, lifting operations handle S1 is open type, and upper limit switch ST1 is closed type.
Declining control module includes the step-down operation handle S2 and limit switch ST2 that are sequentially connected in series, and the one of the series circuit
The 7th relay normally closed switch KA7 of end connection, the other end connect the 20th in the 21st relay linkage contact sets respectively
One relay normally closed switch and the 21st relay normally open switch, the other end connection the of the 21st relay normally closed switch
Three relay coil KA3, the other end connection down relay coil KAD of the 21st relay normally open switch, the 3rd relay
Device coil KA3 and down relay coil the KAD other end are grounded respectively.Step-down operation handle S2 and limit switch ST2 public affairs
End is the 3rd end of the decline control module altogether, declines button SBD for connecting.Wherein, step-down operation handle S2 is open type,
Limit switch ST2 is closed type.
Spacing module includes spacing operation handle S3, travel switch ST3 and the 4th relay coil KA4 being sequentially connected in series,
One end of the series circuit connects the 7th relay normally closed switch KA7, and the other end is grounded, wherein, spacing operation handle S3 is normal
Open form, travel switch ST3 are closed types.
Fig. 7 is refer to, the circuit diagram of a kind of operation main circuit provided it illustrates the present embodiment, in the operation main circuit
Frequency converter include three road signal input parts (R, S, T), three road signal output parts (U, V, W), six multistage speed control ports
(DI1-DI6), public port (COM), failure output terminal (D01) ,+24V power ends, the first relay output end T/A, second after
Electrical output terminal T/C, the first braking resistor Wiring port B1 and the second braking resistor Wiring port B2.
Three tunnels that three phase mains passes through main contactor contact KM2 and the first work frequency conversion switching switch ZH7 connection frequency converters TF
Signal input part, frequency converter TF three road signal output parts switch switch ZH7 connection motor M, main contact by the second work frequency conversion
Device contact KM2 and the first work frequency conversion switching switch ZH7 common port are also respectively connected with upcoming contact device contact KMU and descending contact
Device contact KMD one end, upcoming contact device contact KMU connect motor M with the descending contacts of contactor KMD other end.In reality
When realizing, the second work frequency conversion switching switch ZH7, upcoming contact device contact KMU connected with descending contacts of contactor KMD thermal overload after
One end of electrical equipment, the other end connection motor M of thermal overload relay, the thermal overload as corresponding to Fig. 7 respectively illustrates two motors
Relay FR1 and thermal overload relay FR2.Motor M is also connected with band-type brake BK, is corresponded to as Fig. 7 also respectively illustrates two motors
Band-type brake BK1 and band-type brake BK2.
Second relay switch KA2, the 3rd relay switch KA3, the 4th relay switch KA4 and reset relay switch
One end be respectively connected with and connect frequency converter TF public port COM, the 4th relay switch KA4 the other end connection frequency converter
TF the 3rd multistage speed control port DI3, the second relay switch KA2 other end connection frequency converter TF the first multistage speed control
The second of port DI1 processed and the 4th multistage speed control port DI4, the 3rd relay switch the KA3 other end connection frequency converter TF
Multistage speed control port DI2 and the 5th multistage speed control port DI5, the other end connection frequency converter TF's of reset relay switch
6th multistage speed control port DI6.Wherein, the second relay switch KA2, the 3rd relay switch KA3, the 4th relay switch
KA4 and reset relay switch are all open types.
Frequency converter TF failure output terminal D01 connecting fault relay coil KA6, power transfer relay coil KA6 connection becomes
Frequency device TF+24V power ends；5th relay coil KA5 one end connection frequency converter TF the first relay output end T/A,
5th relay coil KA5 other end ground connection, frequency converter TF the second relay output end T/C connect control power end, such as,
Connection+24V；Braking resistor r one end connection frequency converter TF the first braking resistor Wiring port B1, other end connection frequency conversion
Second braking resistor Wiring port B2 of device.
Relay coil XJ connects two live wires of three phase mains respectively, and the both ends of transformer TC primary coil connect respectively
Two live wires of three phase mains are connect, transformer TC secondary coil connects one end of band-type brake control circuit, band-type brake control circuit
Other end connection band-type brake BK.The AC power negative pole of one end connection AC/DC power modules of transformer TC secondary coil, transformation
The other end of device TC secondary coil is sequentially connected in series the 3rd auxiliary switch for circuit breaker QF3, the first relay switch KA1 and
12 relay switch KA12, wherein, the 3rd auxiliary contacts of circuit breaker QF3, the first relay switch KA1 and the 12nd relay
It is all open type contact to switch KA12.12nd relay switch KA12 other end connection main contactor coil KM2, main contact
Device coil KM2 other end connection AC power negative pole AC-；The 12nd relay switch KA12 other end also company of being sequentially connected in series
Connect a liter relay switch KAU, decline contactor normally closed auxiliary contact KMD and contactless for hoisting coil KMU, contactless for hoisting line
Enclose KMU other end connection AC power negative pole AC-；The 12nd relay switch KA12 other end is also sequentially connected in series down
Drop relay switch KAD, contactless for hoisting normally closed auxiliary contact KMU and decline contactor coil KMD, decline contactor coil
KMD other end connection AC power negative pole AC-；The 12nd relay switch KA12 other end is also once connected in series the tenth
Relay switch KA10, the 60th relay switch KA60 and the 3rd contactor coil KM3, the 3rd contactor coil KM3's is another
One end connection AC power negative pole AC-；The 12nd relay switch KA12 other end is also sequentially connected in series contactless for hoisting
Normally opened auxiliary contact KMU and the 22nd relay switch KA22, the 22nd relay switch KA22 other end connection the
Ten relay switch KA10 and the 60th relay switch KA60 common port, the 22nd relay switch KA22 other end
It is also connected with the AC power positive pole of AC/DC power modules；The 12nd relay switch KA12 other end is also connected with declining contact
The normally opened auxiliary contact KMD of device, decline contactor auxiliary contact KMD other end connection contactless for hoisting auxiliary contact KMU and the
22 relay switch KA22 common port.
The DC power anode and DC power cathode of AC/DC power modules pass through the 3rd contactor auxiliary contact respectively
KM3 is connected to band-type brake BK both ends, and the other end for the 3rd contactor auxiliary contact KM3 being connected with DC power anode is connected electricity
Hold C and diode D, the diode D other end connects the another of the 3rd contactor auxiliary contact KM3 being connected with DC power cathode
One end, electric capacity C both ends are parallel with 3rd resistor R3, the 3rd contactor auxiliary contact KM3's being connected with DC power anode
The other end connects piezoresistor VSR, and the 3rd that piezoresistor VSR other end connection is connected with DC power cathode contacts
The device auxiliary contact KM3 other end.Wherein, the 3rd auxiliary switch for circuit breaker QF3, the first relay switch KA1, the 12nd relay
Device switch KA12, vertical relay switch KAU, down relay switch KAD, the tenth relay switch KA10, the 60th relay
Device switch KA60 and the 22nd relay switch KA22 is open type.
The operation principle of the elevator system is：After pressing start button SB1, main contactor contact KM2 and main contactor
Auxiliary contact KM2 is closed, and three phase mains is powered to frequency converter TF, and control circuit control operation main circuit drives electricity with variable mode
Machine, by operation handle S1, S2 and S3 motor so as to controlling the work of lift.Cause frequency conversion when frequency converter breaks down
Pattern can not normal operation when, power transfer relay coil KA6 be powered in frequency converter failure and control power transfer relay switch KA6
Closure, switching relay coil ZH7 are powered in power transfer relay switch KA6 closures and control the first work frequency conversion to switch switch
ZH7 and the second work frequency conversion switching switch ZH7 switchings, control circuit control operation main circuit is with power frequency mode activated motor, three-phase
Power supply is by contactless for hoisting contact KMU and declines contacts of contactor KMD and adjusts phase sequence, and motor is so as to controlling on lift
Go and descending, specifically, when operating lifting operations handle S1, contactless for hoisting contact KMU closures, three phase mains motor
Drive lift up；When operating step-down operation handle S2, decline contacts of contactor KMD closures, three phase mains motor
Lift is driven to decline.
Above-described is only preferred embodiment of the present utility model, and the utility model is not limited to above example.Can
To understand, what those skilled in the art directly exported or associated on the premise of spirit of the present utility model and design is not departed from
Oher improvements and changes, it is considered as being included within the scope of protection of the utility model.
Claims (3)
1. a kind of elevator control system, it is characterised in that the system includes：Control circuit, operation main circuit, motor and liter
Drop machine, the input connection three phase mains of the operation main circuit, output end connect the motor, liter described in the motor connection
Drop machine, the control circuit control connect the operation main circuit；
The control circuit includes modular converter, operation module, event in start stop operation module, work frequency conversion modular converter, cage top/cage
Barrier module, brake module, rise control module, decline control module and spacing module, the first end of the start stop operation module
Connection control power supply, the second end of the start stop operation module connect modular converter in cage top/cage, the start stop operation module
3rd end be connected in parallel it is described operation module, the malfunctioning module, the brake module, it is described rising control module, it is described under
Control module and the spacing module drop, and the control power supply is also connected with one end of the work frequency conversion modular converter, and the work becomes
It is modular converter in frequency modular converter, the cage top/cage, the operation module, the malfunctioning module, the brake module, described
The other end for rising control module, the decline control module and the spacing module is grounded respectively；The start stop operation module
Electric lock switch, scram button, start button, the 11st relay switch, catching device including being sequentially connected in series switch, phase sequence relay
Device switchs and overload protection switch, and one end of the series circuit connects the first end of the start stop operation module, other end connection
3rd end of the start stop operation module, the scram button and the common port of the start button connect the start stop operation mould
Second end of block；The start button is also in parallel with hand-held start button and main contactor auxiliary contact, the 11st relay
Device switch is also in parallel with hand-held emergency stop switch；Wherein, the electric lock switch, the main contactor auxiliary contact, the startup are pressed
Button and the hand-held start button are open types, the 11st relay switch, catching device switch, the phase sequence relay
Device switch, overload protection switch, the scram button and the hand-held emergency stop switch are closed types；The malfunctioning module is extremely
Few power transfer relay switch and switching relay coil for including series connection, one end of the series circuit connects the start stop operation mould
3rd end of block, other end ground connection, the power transfer relay switch is open type；
The operation main circuit includes main contactor contact, the first work frequency conversion switching switch, the second work frequency conversion switching switch, change
Frequency device, upcoming contact device contact, descending contacts of contactor and power transfer relay coil, three phase mains are touched by the main contactor
Point and the first work frequency conversion switching switch connect the signal input part of the frequency converter, and the signal output part of the frequency converter leads to
Cross the second work frequency conversion switching switch and connect the motor, the failure output terminal of the frequency converter connects the power transfer relay
One end of coil, the other end of the power transfer relay coil connect the power end of the frequency converter, the main contactor contact
The upcoming contact device contact and the descending contactor are also respectively connected with the common port of the first work frequency conversion switching switch
One end of contact, the upcoming contact device contact connect the motor, the master with the other end of the descending contacts of contactor
Contacts of contactor, the upcoming contact device contact and the descending contacts of contactor are open type contact；
The start button control connects the main contactor contact and main contactor auxiliary contact, the switching relay coil
Control connects the first work frequency conversion switching switch and the second work frequency conversion switching switch, the power transfer relay coil control
Connect power transfer relay switch, the power transfer relay coil is powered in the frequency converter failure and controls the failure
Relay switch closes, and the switching relay coil is powered when the power transfer relay is switched and closed and controls described first
Work frequency conversion switching switch and the second work frequency conversion switching switch switching.
2. elevator control system according to claim 1, it is characterised in that also include second in the operation main circuit
Relay switch, the 3rd relay switch, the 4th relay switch, reset relay switch, the 5th relay coil and braking
Resistance；Second relay switch, the 3rd relay switch, the 4th relay switch and the reset relay
One end of switch is respectively connected with and connects the public port of the frequency converter, the other end connection institute of the 4th relay switch
The 3rd multistage speed control port of frequency converter is stated, the other end of second relay switch connects more than the first of the frequency converter
The fast control port of section and the 4th multistage speed control port, the other end of the 3rd relay switch connect the of the frequency converter
Two multistage speed control ports and the 5th multistage speed control port, the other end of the reset relay switch connect the frequency converter
The 6th multistage speed control port；One end of 5th relay coil connects the first relay output of the frequency converter
End, the other end ground connection of the 5th relay coil, the second relay output end connection control power supply of the frequency converter；Institute
The one end for stating braking resistor connects the first braking resistor Wiring port of the frequency converter, and the other end connects the frequency converter
Second braking resistor Wiring port.
3. elevator control system according to claim 1 or 2, it is characterised in that the system also includes transformer, embraced
Lock control circuit and band-type brake, the band-type brake connect the motor；The both ends of the primary coil of the transformer connect three-phase respectively
Two live wires of power supply, the secondary coil of the transformer connect one end of the band-type brake control circuit, the band-type brake control electricity
The other end on road connects the band-type brake.
Priority Applications (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108363320A (en) * | 2018-02-28 | 2018-08-03 | 苏州锃道研磨技术有限公司 | Main shaft orientation and rotary joint controlling and driving circuits |
| CN108919743A (en) * | 2018-08-13 | 2018-11-30 | 广东白云学院 | Sunpender motor circuit and control system of platform booms |
| CN110262404A (en) * | 2019-05-20 | 2019-09-20 | 南京交通职业技术学院 | Abrasive wire sawing machine control circuit |
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2017
- 2017-06-06 CN CN201720652541.1U patent/CN206886459U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108363320A (en) * | 2018-02-28 | 2018-08-03 | 苏州锃道研磨技术有限公司 | Main shaft orientation and rotary joint controlling and driving circuits |
| CN108919743A (en) * | 2018-08-13 | 2018-11-30 | 广东白云学院 | Sunpender motor circuit and control system of platform booms |
| CN110262404A (en) * | 2019-05-20 | 2019-09-20 | 南京交通职业技术学院 | Abrasive wire sawing machine control circuit |
| CN110262404B (en) * | 2019-05-20 | 2024-05-24 | 南京交通职业技术学院 | Sand wire cutting machine tool control circuit |
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