CN109264517A - A kind of brake controller of elevator and method - Google Patents

A kind of brake controller of elevator and method Download PDF

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Publication number
CN109264517A
CN109264517A CN201811384827.1A CN201811384827A CN109264517A CN 109264517 A CN109264517 A CN 109264517A CN 201811384827 A CN201811384827 A CN 201811384827A CN 109264517 A CN109264517 A CN 109264517A
Authority
CN
China
Prior art keywords
band
circuit
type brake
module
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811384827.1A
Other languages
Chinese (zh)
Inventor
肖中良
陈晓东
唐其伟
仲兆峰
张仕昭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Building Technology Guangzhou Co Ltd
Original Assignee
Hitachi Building Technology Guangzhou Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Building Technology Guangzhou Co Ltd filed Critical Hitachi Building Technology Guangzhou Co Ltd
Priority to CN201811384827.1A priority Critical patent/CN109264517A/en
Publication of CN109264517A publication Critical patent/CN109264517A/en
Priority to PCT/CN2019/097012 priority patent/WO2020103480A1/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/02—Control systems without regulation, i.e. without retroactive action
    • B66B1/06—Control systems without regulation, i.e. without retroactive action electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006—Monitoring devices or performance analysers
    • B66B5/0018—Devices monitoring the operating condition of the elevator system
    • B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
    • B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
    • B66D5/24—Operating devices
    • B66D5/30—Operating devices electrical

Abstract

The invention discloses a kind of brake controller of elevator and method, which includes: safe internal contracting power circuit, band-type brake control circuit and elevator host；The power output end of one end connection safe internal contracting power circuit of band-type brake control circuit, the brake of the other end connection elevator host of band-type brake control circuit；Safe internal contracting power circuit is used for according to power supply enable signal, exports power supply signal to band-type brake control circuit, for the power supply of band-type brake control circuit；Band-type brake control circuit is used to generate electric current according to the power supply signal of band-type brake control enable signal and the output of safe internal contracting power circuit, so that brake is in releasing orientation, and when detecting short trouble, corresponding control fault-signal is fed back to elevator master control system, to trigger the output of elevator master control system shutdown enable signal, so that brake is in release conditions.The present invention solves the problems, such as the contactor in the on-off control dependence elevator of existing motor and brake circuit, improves the flexibility of elevator brake control.

Description

A kind of brake controller of elevator and method
Technical field
The present embodiments relate to elevator technology field more particularly to a kind of brake controller of elevator and methods.
Background technique
In general, elevator regular calling or urgent stop are realized by disconnecting motor and brake circuit.Specifically, disconnected Open motor power supply or revocation drive waveforms then motor shut down, breakaway braking device circuit is activated, also for braking function That is, electromagnetic force disappears when brake circuit power-off, brake rubber block component compresses rapidly braking table under the action of spring force pressure Face forms brake, so that motor keeps on-position.It can be seen that motor, which shuts down, closes common ensure with brake The stop safety of elevator.
Currently, the power supply of cutting motor and brake circuit is completed mainly by contactor.Specifically, contacts of contactor is connected In motor and brake current supply circuit, contactor coil is series between elevator safety loop and elevator master control system.It is no matter electric Terraced safety return circuit disconnects or elevator master control system disconnects, and will lead to contactor coil power loss, and contacts of contactor disconnects, makes Obtain motor and brake circuit power loss.As it can be seen that the control of the on-off of motor and brake circuit relies on the contactor in elevator.If connecing Tentaculum breaks down, then can not control elevator motor and brake, reduces the flexibility of elevator brake control.
Summary of the invention
In view of this, the present invention provides a kind of brake controller of elevator and method, to be based on safe internal contracting power circuit Elevator brake control is realized with band-type brake control circuit, improves the flexibility of elevator brake control.
In a first aspect, the embodiment of the invention provides a kind of brake controller of elevator, comprising: safe internal contracting power supply electricity Road, band-type brake control circuit and elevator host；Wherein, one end of the band-type brake control circuit connects the safe internal contracting power supply electricity The power output end on road, the other end of the band-type brake control circuit connect the brake of the elevator host；
The safe internal contracting power circuit, for exporting and powering to the band-type brake control circuit according to power supply enable signal Signal, for band-type brake control circuit power supply；
The band-type brake control circuit, for what is exported according to band-type brake control enable signal and the safe internal contracting power circuit Power supply signal generates electric current, so that the brake is in releasing orientation；And when detecting short trouble, to elevator master control system Corresponding control fault-signal is fed back, to trigger the output of the elevator master control system shutdown enable signal, so that at brake In release conditions, the enable signal includes: the power supply enable signal and band-type brake control enable signal.
Optionally, the safe internal contracting power circuit includes: power driving circuit module, switch transformer module and electricity Source relay module；One end of the power driving circuit module connects the power supply relay module, the power drives electricity The other end of road module connects the switch transformer module, and the output end of the switch transformer module connects the band-type brake Control circuit；
The power driving circuit module, for according to the power supply enable signal that receives to the power supply relay module Out-put supply controls signal, so that the power supply relay module is in closed state, and defeated to the switch transformer module Power driving signal out, to drive the switch transformer module to embrace according to the output signal of the rectification filtering module to be described The power supply of lock control circuit.
Optionally, the band-type brake control circuit includes: control drive module, time-delay relay module and switch pipe die Block；One output end of the control drive module connects the control terminal of the switch tube module, described to control the another of drive module One output end connects the first end of the time-delay relay module；The first end of the switch tube module connects the safe internal contracting The second end of the power output end of power circuit, the switch tube module connects the brake and the time-delay relay module Second end；
The control drive module, for receiving the band-type brake control enable signal, and it is enabled according to band-type brake control Signal controls signal to the time-delay relay module output relay, to control the work shape of the time-delay relay module State, and, to the control terminal output control driving signal of the switch tube module, enter closure to control the switch tube module State；
The switch tube module, the power supply signal for exporting safe internal contracting power circuit are transmitted to the brake Band-type brake coil generates the electric current of band-type brake coil.
Optionally, the band-type brake control circuit further include: band-type brake controls short-circuit detecting module and continuous current circuit module；It is described The first end of band-type brake control short-circuit detecting module is connect with the first end of the switch tube module, and the band-type brake controls short-circuit detecting The second end of module with it is described switch tube module second end connect, and the band-type brake control short-circuit detecting module output end and The elevator master control system connection；One end of the continuous current circuit module connect the band-type brake coil first end and the switch The second end of tube module, the other end of the continuous current circuit module connect the second end and the safe internal contracting of the band-type brake coil The power output end of power circuit；
The band-type brake controls short-circuit detecting module, for detecting the short trouble of the switch tube module, and will be described short Failure corresponding control fault-signal in road is transferred to elevator master control system, described enabled to trigger the elevator master control system shutdown The output of signal, so that the time-delay relay module is in closed state；
The continuous current circuit module, for discharging the electric current of the band-type brake coil in switch tube module shutdown.
Optionally, the switch tube module includes first switch pipe unit and second switch pipe unit；The first switch The first end of pipe unit connects the first power output end of the safe internal contracting power circuit, and the of the first switch pipe unit Two ends connect the first end of the band-type brake coil, and the control terminal of the first switch pipe unit connects the control drive module First output end；The first end of the second switch pipe unit connects the second source output of the safe internal contracting power circuit End, the second end of the second switch pipe unit connect the second end of the band-type brake coil, the control of the second switch pipe unit End processed connects the second output terminal of the control drive module；The control drive module makes specifically for receiving band-type brake control Energy signal, and enable signal is controlled to the control terminal of first switch pipe unit output the first control driving according to the band-type brake Signal enters closed state to control the first switch pipe unit, and, the control terminal to the second switch pipe unit is defeated Second control driving signal out, enters closed state to control the second switch pipe unit.
Optionally, the continuous current circuit module includes the first continuous current circuit and the second continuous current circuit；First afterflow is returned The one end on road connects the second end of the first switch pipe unit and the first end of the band-type brake coil, first continuous current circuit The other end connect the second end of the second switch pipe unit and the second end of the band-type brake coil；First afterflow is returned Road, for discharging the electric current of the band-type brake coil when the first switch pipe unit and/or second switch pipe unit turn off； The first end of second continuous current circuit connect the first switch pipe unit first end and the safe internal contracting power circuit The first power output end, the second end of second continuous current circuit connects the second end of the second switch pipe unit and described The second end of band-type brake coil；Second continuous current circuit, for discharging the band-type brake in second switch pipe unit shutdown The electric current of coil.
Optionally, the third end of second continuous current circuit connects the first end and the peace of the second switch pipe unit 4th end of the second source output end of full band-type brake power circuit, second continuous current circuit connects the first switch pipe unit Second end and the band-type brake coil first end；Second continuous current circuit is also used to close in the first switch pipe unit When disconnected, the electric current of the band-type brake coil is discharged.
Optionally, the switch tube module includes first switch pipe unit and second switch pipe unit, the continuous current circuit Module includes the first continuous current circuit；The first end of the first switch pipe unit connects the second of the second switch pipe unit End, the second end of the first switch pipe unit connect the first end of the band-type brake coil, the control of the first switch pipe unit End processed connects the first output end of the control drive module；The first end of the second switch pipe unit connects the safety and embraces First power output end of lock power circuit, the control terminal of the second switch pipe unit connect the of the control drive module Two output ends；One end of first continuous current circuit connect the first switch pipe unit second end and the band-type brake coil First end, the other end of first continuous current circuit connect the band-type brake coil second end and the safe internal contracting power circuit Second source output end；The control drive module is specifically used for receiving band-type brake control enable signal, and according to the band-type brake Enable signal is controlled to the control terminal of first switch pipe unit output the first control driving signal, is opened with controlling described first It closes pipe unit and enters closed state, and, driving signal is controlled to the control terminal of second switch pipe unit output second, with It controls the second switch pipe unit and enters closed state；First continuous current circuit, in the first switch pipe unit And/or when the shutdown of second switch pipe unit, discharge the electric current of the band-type brake coil.
Optionally, the continuous current circuit module further includes second continuous current circuit；The first of second continuous current circuit End connects the first end of the first switch pipe unit and the second end of the second switch pipe unit, second continuous current circuit Second end connect the second end of the band-type brake coil and the second source output end of the safe internal contracting power circuit；Described Two continuous current circuits, for discharging the electric current of the band-type brake coil in second switch pipe unit shutdown.
Optionally, the band-type brake control enable signal includes the first band-type brake enable signal and the second band-type brake enable signal, institute Stating control drive module includes the first control driving unit and the second control driving unit, and the band-type brake controls short-circuit detecting module It include: the first short detection unit, first diode, the second short detection unit and the second diode；
One output end of the first control driving unit connects the control terminal of the first switch pipe unit, and described first Another output end of control driving unit connects the first end of the time-delay relay module；The first control driving unit, For receiving the first band-type brake enable signal, and the control according to the first band-type brake enable signal to the first switch pipe unit End output control driving signal, enters closed state to control the first switch pipe unit, and, to the time-delay relay Module output relay controls signal, to control the working condition of the time-delay relay module；
The output end of the second control driving unit connects the control terminal of the second switch pipe unit；Second control Driving unit processed, for receiving the second band-type brake enable signal, and according to the second band-type brake enable signal to the second switch The control terminal output control driving signal of pipe unit, enters closed state to control the second switch pipe unit；
The first end of first short detection unit passes through the first diode and the first switch pipe unit First end connection, the second end of first short detection unit is connect with the second end of the first switch pipe unit, described The output end of first short detection unit is connect with the elevator master control system；First short detection unit is for detecting described the The short trouble of one switch pipe unit, and the corresponding short circuit fault signal of the first switch pipe unit is transferred to elevator master control System, to trigger the output that the elevator master control system turns off the enable signal；
The first end of second short detection unit passes through second diode and the second switch pipe unit First end connection, the second end of second short detection unit is connect with the second end of the second switch pipe unit, described The output end of second short detection unit is connect with the elevator master control system；Second short detection unit is for detecting described the The short trouble of two switch pipe units, and the corresponding short circuit fault signal of the second switch pipe unit is transferred to elevator master control System, to trigger the output that the elevator master control system turns off the enable signal.
Optionally, the safe internal contracting power circuit further include: power supply rectification filter module and power supply short circuit detection module； One end of the power supply rectification filter module connects the power supply relay module, the other end of the power supply rectification filter module Connect the switch transformer module；
The first end of the power supply short circuit detection module connects the rectification filtering module and the switch transformer module, The second end of the power supply short circuit detection module connects the elevator master control system；The power supply short circuit detection module, for examining Short trouble is surveyed, and the corresponding power failure signal of the short trouble is fed back into the elevator master control system, to trigger State the output that elevator master control system turns off the enable signal.
Optionally, the switch transformer module includes: power output switch pipe unit, transformer and secondary commutation filtering Unit；The first end of the power output switch pipe unit connects the output end and the power supply of the power supply rectification filter module The second end of short-circuit detecting module, the power output switch pipe unit connects the primary side of the transformer, and, the power The control terminal of output switch pipe unit connects the power driving circuit module；The input terminal of the secondary commutation filter unit connects The secondary side of the transformer is connect, the output end of the secondary commutation filter unit connects the band-type brake control circuit；
The power output switchs pipe unit, power driving signal and institute for exporting according to power driving circuit module The output signal of power supply rectification filter module is stated, power output signal is generated；
The transformer, for generating out-put supply signal according to the power output signal；
The secondary commutation filter unit obtains power supply signal, and will for carrying out rectifying and wave-filtering to out-put supply signal The power supply signal is exported to band-type brake control circuit.
Second aspect, the embodiment of the invention also provides a kind of elevator brake control methods, are applied to such as first aspect institute The brake device for elevator stated, which comprises safe internal contracting power circuit is according to power supply enable signal, to band-type brake control circuit Export power supply signal；The band-type brake control circuit generates electric current according to band-type brake control enable signal and the power supply signal, so that The brake is in releasing orientation；When the band-type brake control circuit detects short trouble, fed back to elevator master control system Corresponding control fault-signal is released with triggering the output of the elevator master control system shutdown enable signal so that brake is in Put state, wherein the enable signal includes: the power supply enable signal and band-type brake control enable signal.
The embodiment of the present invention controls band-type brake power circuit and band-type brake in brake controller of elevator by enable signal The on-off of control circuit has evaded existing motor and brake circuit to realize the control of the brake to elevator host On-off control rely on elevator in contactor the problem of, that is, solve in the prior art due to contactor failure cause nothing The problem of method controls elevator motor and brake improves the flexibility of elevator brake control.
Furthermore, the embodiment of the present invention passes through the band-type brake power circuit in brake controller of elevator and band-type brake control Circuit realizes elevator brake control, the contact in existing brake circuit is eliminated under the premise of not reducing elevator safety Device, that is, band-type brake contactor and operation contactor in existing elevator device are eliminated, to evade in existing elevator device Contactor failure problems caused by frequent high current cutting contacts of contactor, to solve elevator caused by contactor failure The problem of brake fade, guarantees the control for brake effect of elevator, and then improves elevator safety, guarantees the safe handling of elevator.
Detailed description of the invention
Fig. 1 is a kind of structural block diagram of brake controller of elevator of the embodiment of the present invention；
Fig. 2 is the connection signal of the safe internal contracting power circuit and band-type brake control circuit in an alternative embodiment of the invention Figure；
Fig. 3 is the structural schematic diagram of an one of alternative embodiment of the invention brake controller of elevator；
Fig. 4 is the structural schematic diagram of the brake controller of elevator in another alternative embodiment of the invention；
Fig. 5 is the structural schematic diagram of one of alternative embodiment of the present invention brake controller of elevator；
Fig. 6 is the structural schematic diagram of another brake controller of elevator in alternative embodiment of the present invention；
Fig. 7 is the structural schematic diagram of another brake controller of elevator in alternative embodiment of the present invention；
Fig. 8 is the step flow chart of one of embodiment of the present invention elevator brake control method.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Referring to Fig.1, a kind of structural block diagram of brake controller of elevator of the embodiment of the present invention is shown.The elevator brake Control device includes: safe internal contracting power circuit 110, band-type brake control circuit 120 and elevator host 130.Wherein, the band-type brake One end of control circuit 120 connects the power output end of the safe internal contracting power circuit 110, the band-type brake control circuit 120 The other end connect the brake of the elevator host 130.The safe internal contracting power circuit 110, for enabled according to power supply Signal EN1 exports power supply signal to the band-type brake control circuit 120, for the band-type brake control circuit 120 power supply.Described armful Lock control circuit 120, for the power supply according to band-type brake control enable signal EN2 and the safe internal contracting power circuit 110 output Signal generates electric current, so that the brake is in releasing orientation；And when detecting short trouble, to elevator master control system 140 Corresponding control fault-signal FB1 is fed back, to trigger the output that the elevator master control system 140 turns off enable signal, so that system Dynamic device is in release conditions, and the enable signal includes: the power supply enable signal EN1 and band-type brake control enable signal EN2。
In the concrete realization, elevator host 130 may include brake and motor this two parts.The embodiment of the present invention can be with By elevator master control system 140 to 110 out-put supply enable signal EN1 of safe internal contracting power circuit, to trigger safe internal contracting electricity Source circuit 110 exports power supply signal to band-type brake control circuit 120, to power for band-type brake control circuit 120, so that band-type brake control electricity Road 120 can generate electric current according to control enable signal EN2, so that the brake of elevator host 130 is in releasing orientation, Guarantee the normal operation of elevator.It, can be for short trouble generation pair if band-type brake control circuit 120 detects short trouble The control fault-signal FB1 answered, and control fault-signal FB1 can be fed back to the elevator master control system 140, so that elevator Master control system 140 turns off the output of enable signal, such as the output of power cutoff enable signal EN1, so that safe internal contracting power supply electricity Road 110 stops being that band-type brake control circuit 120 is powered, and realizes the power-off of band-type brake control circuit 120, while can turn off band-type brake control Enable signal EN2 processed, to disconnect band-type brake control circuit 120, so that band-type brake control circuit 120 stops generating electric current, so that braking Device is in release conditions, so that brake holds motor tightly, realizes elevator brake.
As it can be seen that the embodiment of the present invention controls the safe internal contracting power supply electricity in brake controller of elevator by enable signal The on-off on road 110 and band-type brake control circuit 120 solves existing to realize the control of the brake to elevator host 130 The problem of control of the on-off of the motor of elevator and brake circuit relies on the contactor in elevator, that is, solve in the prior art by It is caused the problem of elevator motor and brake can not being controlled in contactor failure, improves the spirit of elevator brake control Activity.
Furthermore, the embodiment of the present invention passes through 110 He of safe internal contracting power circuit in brake controller of elevator Band-type brake control circuit 120 realizes elevator brake control, and existing brake is eliminated under the premise of not reducing elevator safety and is returned Contactor in road, that is, band-type brake contactor and operation contactor in existing elevator device are eliminated, to evade existing Contactor failure problems caused by frequent high current cutting contacts of contactor in elevator device, to solve contactor failure The problem of caused elevator brake fails guarantees the control for brake effect of elevator, and then improves elevator safety, guarantees elevator Safe handling.
It should be noted that elevator master control system 140 in the embodiment of the present invention can be according to elevator operation demand to electricity 110 out-put supply enable signal EN1 of safe internal contracting power circuit in terraced brake control, to trigger the safe internal contracting power supply Circuit 110 exports power supply signal to band-type brake control circuit 120 according to the power supply enable signal EN1, is the band-type brake control circuit 120 power supplies；And band-type brake can be exported to band-type brake control circuit 120 and control enable signal EN2, so that band-type brake control circuit 120 can Electric current is generated to control the power supply signal that enable signal EN2 and safe internal contracting power circuit 110 export according to the band-type brake, so that institute The brake stated in elevator host 130 is in releasing orientation.
On the basis of the above embodiments, optionally, as shown in Fig. 2, the safe internal contracting power circuit 110 includes: electricity Source driving circuit module 111, switch transformer module 112 and power supply relay module 113.The power driving circuit module 111 one end connects the power supply relay module 113, opens described in the other end connection of the power driving circuit module 111 Transformer module 112 is closed, and the output end of the switch transformer module 112 connects the band-type brake control circuit 120.The electricity Source driving circuit module 111, for being exported according to the power supply enable signal EN1 received to the power supply relay module 113 Power control signal, so that the power supply relay module 113 is in closed state, and to the switch transformer module 112 Out-put supply driving signal, to drive the switch transformer module 112 for the band-type brake control circuit 120 power supply.Specifically, Power driving circuit module 111, can be according to the power supply enable signal EN1 to described after receiving power supply enable signal EN1 113 out-put supply of power supply relay module controls signal, so that the power supply relay module 113 is in closed state, and, To 112 out-put supply driving signal of switch transformer module, to drive the switch transformer module 112 for band-type brake control Circuit 120 is powered, so that band-type brake control circuit 120, which can control enable signal EN2 according to the band-type brake, generates electric current, with control Brake processed is in releasing orientation, guarantees that elevator can operate normally.
In an alternate embodiment of the present invention where, the safe internal contracting power circuit 110 can also include: power rectifier Filter module 114 and power supply short circuit detection module 115.One end of the power supply rectification filter module 114 connect the power supply after The other end of electrical appliance module 113, the power supply rectification filter module 114 connects the switch transformer module 112.The power supply The first end of short-circuit detecting module 115 connects the power supply rectification filter module and the switch transformer module 112, the electricity The second end of source short-circuit detecting module 115 connects the elevator master control system 140.
Wherein, power supply rectification filter module 114 can be used for the power supply signal for being input to safe internal contracting power circuit 110 It is filtered, and the output signal obtained after filtering can be transferred to switch transformer module 112, so that switch transformer mould Block 112 can export power supply signal to band-type brake control circuit 120 according to the output signal obtained after filtering, for band-type brake control Circuit 120 is powered.Specifically, power supply relay module 113 in the closure state, power supply rectification filter module 114 can To access power supply signal by the power supply relay module 113 of closure, and the power supply signal of access can be filtered, Yi Jike The output signal obtained after filtering is transferred to switch transformer module 112, allows switch transformer module 112 according to filter The output signal obtained after wave exports power supply signal to band-type brake control circuit 120, for the band-type brake control circuit 120 power supply.
The power supply short circuit detection module 115, for detecting short trouble, and the corresponding power supply of the short trouble is former Barrier signal feeds back to the elevator master control system 140, turns off the defeated of the enable signal to trigger the elevator master control system 140 Out.For example, the power supply short circuit detection module 115 can pass through in the case where safe internal contracting power circuit 110 includes switching tube Whether detection switch pipe is short-circuit, to determine whether safe internal contracting power circuit 110 short trouble occurs, and can detect short circuit When failure, corresponding power failure signal FB2 is generated, and power failure signal FB2 is fed back into elevator master control system 140, so that elevator master control system 140 turns off the output of the enable signal.Certainly, power supply short circuit detection module 115 can also be with By the on off operating mode of monitoring switch pipe, to detect switching tube abnormal conditions, so as to be produced based on switching tube abnormal conditions Raw corresponding power failure signal FB2, and elevator master control system 140 is fed back to, the present embodiment is not specifically limited this.
In embodiments of the present invention, optionally, as shown in figure 3, the switch transformer module 112 includes: power output Switch pipe unit 1121, transformer T and secondary commutation filter unit 1123.The first of the power output switch pipe unit 1121 End connects the output end of the power supply rectification filter module 114 and the power supply short circuit detection module 115, the power output are opened The second end for closing pipe unit 1121 connects the primary side of the transformer T, and, the control of the power output switch pipe unit 1121 End processed connects the power driving circuit module 111.The input terminal of the secondary commutation filter unit 1123 connects the transformation The output end on the secondary side of device T, the secondary commutation filter unit 1123 connects the band-type brake control circuit 120.The power is defeated Pipe unit 1121 is switched out, power driving signal and the power rectifier for exporting according to power driving circuit module 111 The output signal of filter module 114 generates power output signal.The transformer T, for being produced according to the power output signal Raw out-put supply signal.The secondary commutation filter unit 1123 is supplied for carrying out rectifying and wave-filtering to out-put supply signal Electric signal, and the power supply signal is exported to band-type brake control circuit 120.
Specifically, power driving circuit module 111 is after the power supply enable signal EN1 received, it can be defeated to power 1121 out-put supply driving signal of pipe unit is switched, out to drive power output switch pipe unit 1121 to filter according to power rectifier The output signal of wave module 114 generates power output signal.The power output switchs pipe unit 1121 can be by the function of generation Rate output signal is transferred to transformer T, and transformer T is allowed to generate out-put supply signal according to the power output signal, and It exports to secondary commutation filter unit 1123.The out-put supply signal that secondary commutation filter unit 1123 exports transformer T into After row rectifying and wave-filtering, power supply signal is obtained, and the power supply signal is exported to band-type brake control circuit 120, so that band-type brake control electricity Road 120 can generate the electric current of control brake 131 based on the power supply signal, be in releasing orientation with control brake 131, protect Card elevator can operate normally.
In the concrete realization, the safe internal contracting power circuit 110 in the embodiment of the present invention can realize that output is adjustable, such as can be with By the given output scheme for realizing various modes of voltage, pulse width modulation can also be implemented by elevator master control system 140 (Pulse Width Modulation, PWM) chop control realizes that the output of band-type brake power supply is adjustable etc., the embodiment of the present invention to this not It is restricted.In addition, band-type brake control circuit 120 can both realize the timing control of non-copped wave, PWM chop control, this hair can also be realized Bright embodiment does not make tool limitation to this yet.
As an example of the invention, power driving circuit module 111 can wrap containing a PWM controller, pass through The PWM controller carries out timing control to power supply enable signal EN1, different control for brake effects is realized, to cope with different electricity The braking requirement of ladder.Certainly, power driving circuit module 111 can also include other circuit units, such as can also include voltage Closed loop, the voltage close loop can be connect with the output end of secondary commutation filter unit 1123, and can give the voltage received Signal transmits the PWM controller, so that PWM controller after receiving power supply enable signal EN1, can give according to the voltage Signal exports corresponding power driving signal to power output switch pipe unit 1121, this example is not specifically limited this.
In this example, power supply power excitation switch and export it is adjustable can be completed by safe internal contracting power circuit 110, Specifically, power driving circuit module 111 can be to the relay K0 as power supply relay module 113 when elevator powers on Out-put supply controls signal, is in closed state with closing relay K0, i.e. control relay K0, alternating current is allowed to pass through this Relay K0 is input to power supply rectification filter module 114, using the power supply signal as safe internal contracting power circuit 110.In elevator When opening a sluice gate, elevator master control system 140 can monitor electric safety device state, and can be controlled according to electric safety device state Enable signal (i.e. band-type brake control enable signal) EN2 of band-type brake control circuit 120 is open-minded in advance.After certain time-delay, elevator master Control system 140 can by power supply enable signal EN1, control power source internal switching tube enable it is open-minded, such as control switch transformer Power output switch pipe unit 1121 in module 112 is in closed state, so that switch transformer module 112 is controlled to band-type brake Circuit 120 exports constant power supply signal, to power for band-type brake control circuit 120, and then can export the strong of corresponding brake Exciting current, so that brake control loop (i.e. brake loop) enters the magnet excitation stage, it is automatic defeated after be delayed 1 second (S) or 2S Electric current is maintained out.After electric power outputting current foundation, safe internal contracting power circuit 110 and band-type brake control circuit 120 can divide Switching tube opening state is not corresponded into feedback signal transmission and gives elevator safety controller, to be notified by the elevator safety controller The completion of 140 brake of elevator master control system is opened a sluice gate, and elevator can be run.
In elevator normal brake application, elevator master control system 140 can control power supply enable signal EN1 and turn off in advance, so that Safe internal contracting power circuit 110 disconnects, and such as disconnects the DC/DC converter switches pipe driving in the band-type brake power circuit, realizes it Grid block, i.e. power output in disconnection switch transformer module 112 switch pipe unit 1121, so that brake circuit is remaining Electric current is discharged at a slow speed by the secondary commutation filter unit 1123 in the safe internal contracting power circuit 110；It is delayed after a period of time, Elevator master control system 140 can control band-type brake control enable signal EN2 shutdown, so that brake circuit residual current passes through band-type brake Continuous current circuit quick release in control circuit 120, so that power cutoff is enabled, i.e., power cutoff exports electric current.It is defeated in power supply Out after switch off current, safe internal contracting power circuit 110 can distinguish feedback switch pipe off state with band-type brake control circuit 120 is crossed Elevator safety controller is given, to notify elevator master control system 140 to complete brake barrier gate by the elevator safety controller, is realized Elevator is out of service.
In elevator emergency brake, elevator master control system 140 can detect electric safety device by safety governor It disconnects, and can trigger elevator safety controller and issue emergency braking instruction, while power supply enable signal EN1 and band-type brake can be disconnected Enable signal EN2 is controlled, so that safe internal contracting power circuit 110 and band-type brake control circuit 120 almost realize shutdown simultaneously, thus Brake circuit residual current is allowed to pass through the continuous current circuit quick release in band-type brake control circuit 120.It is exported in power supply After switch off current, safe internal contracting power circuit 110 and cross band-type brake control circuit 120 can distinguish feedback switch pipe off state to Elevator safety controller, to notify the urgent barrier gate of 140 brake of elevator master control system, elevator emergency system by the elevator safety phase It is dynamic.
When short trouble occurs for band-type brake power supply, short circuit event occurs for the switching tube such as in safe internal contracting power circuit 110 When barrier, safe internal contracting power circuit 110 can detect short trouble information by PWM controller, and can be according to short circuit event Hinder phenomenon and generate corresponding power failure signal FB2, and power failure signal FB2 can be fed back to elevator safety controller, makes Obtaining elevator safety controller can report brake circuit safe based on power failure signal FB2 to elevator master control system 140 Failure issues emergency braking instruction to trigger elevator master control system 140, so as to pass through shutdown band-type brake control circuit 120 Enable signal EN2 realizes elevator emergency brake, and elevator is forbidden to restart.
It should be noted that the electric safety device of the safety return circuit as elevator can specifically include it is electrical in elevator Safety switch and electronic switch are such as sensed by hoistway safety switch, the Room/car door lock safety switch, car position sensor, door area The composition such as device.These electric safety switch and electronic switch can be connect with elevator safety controller, so that elevator safety control Device processed can collect the state of each electric safety switch and each electronic switch, and can feed back to elevator master control system 140, So that at state of the elevator master control system 140 according to each electric safety switch and electronic switch in the electric safety device Reason.For example, each electronic switch and electric safety switch in electric safety device are attached using parallel way, i.e., it will be safe Loop structure is set as parallel-connection structure, to reduce action delay brought by cascaded structure, so that in elevator timing more Rationally.
In the concrete realization, the band-type brake control circuit 120 in the embodiment of the present invention may include one or more switching tubes, Actual design be contemplated that with 110 Integrated design of safe internal contracting power circuit, the embodiment of the present invention to this with no restriction.
In an alternate embodiment of the present invention where, as shown in Figure 4.The band-type brake control circuit 120 includes: control driving Module 121, time-delay relay module 122 and switch tube module 123.The output end connection of the control drive module 121 Another output end of the control terminal of the switch tube module 123, the control drive module 121 connects the time-delay relay mould The first end of block 122.The first end of the switch tube module 123 connects the power supply output of the safe internal contracting power circuit 110 The second end at end, the switch tube module 123 connects the second end of the brake 131 and the time-delay relay module 122. The control drive module 121 controls enabled letter for receiving the band-type brake control enable signal EN2, and according to the band-type brake Number EN2 controls signal to 122 output relay of time-delay relay module, to control the time-delay relay module 122 Working condition, and, to the control terminal output control driving signal of the switch tube module 123, to control the switch pipe die Block 123 enters closed state.The switch tube module 123, the power supply signal for exporting safe internal contracting power circuit 110 pass The band-type brake coil of the brake 131 is transported to, the electric current of band-type brake coil is generated.Wherein, time-delay relay module 122 can be by one A or multiple relays composition, the embodiment of the present invention to this with no restriction.
In the concrete realization, relay K1 included in time-delay relay module 122 may be at normally off, so that Elevator, which is in, stops scalariform state.When elevator is opened a sluice gate, band-type brake can be controlled enable signal EN2 and be transferred to band-type brake control by elevator master control Control drive module 121 in circuit 120, so that controlling drive module 121 to the 122 output relay control of time-delay relay module Signal processed sets off-state for the working condition of time-delay relay module 122 with opening time-delaying relay module 122, Elevator is run.In addition, control drive module 121 can be to the control terminal output control driving of switch tube module 123 Signal, to control the switch tube module 123 into closed state so that safe internal contracting power circuit 110 export for telecommunications It number is transmitted to the band-type brake coil of brake 131, generates the electric current of band-type brake coil.It is in an off state when switching tube module 123, such as After the switching tube in switch tube module 123 disconnects, i.e., band-type brake control circuit 120 disconnects, can not be based on safe internal contracting power supply electricity The power supply signal that road 110 exports generates the electric current of band-type brake coil, and brake 131 powers off and enters release conditions.
As an example of the invention, the switch tube module 123 in band-type brake control circuit 120 can be opened only comprising one Guan Guan, and the switching tube can be not involved in chop control, just correspond to switch and participate in the control of brake loop on-off.It is specific and Speech can be closed this and open after band-type brake control enable signal EN2 is transferred to the control terminal as the switching tube of switch tube module 123 Guan Guan, the power supply signal output brake that band-type brake control circuit 120 is exported based on safe internal contracting power circuit 110 131 magnet excitation electric current, so that the completion of brake 131 is opened a sluice gate and enters releasing orientation, so that elevator can be run.As It is disconnected to switch the switching tube of tube module 123, band-type brake control circuit 120 disconnects, can not be defeated based on safe internal contracting power circuit 110 The magnet excitation electric current of power supply signal output brake 131 out, brake 131 power off and enter release conditions, realize elevator system It is dynamic.
As it can be seen that the brake controller of elevator in the embodiment of the present invention includes safe internal contracting power circuit 110 and band-type brake The two parts of control circuit 120, using the channel structure of differentiation to design realizes the control of brake circuit on-off, mentions The flexibility of high elevator brake control.Specifically, peace band-type brake power circuit, which can enable EN1 by externally input power supply, realizes electricity On-off control from body, band-type brake control circuit 120 can be controlled enable signal EN2 by band-type brake and realize the output of band-type brake power circuit The on-off of side controls, and improves the safety of elevator internal contracting brake control circuit 120.
It is being embodied in, optionally, band-type brake control circuit 120 can have short-circuit detecting circuit, and can be short by this The on off operating mode of alignment detection circuit real-time monitoring switching tube whereby it can be detected that either switch in the band-type brake control circuit 120 Pipe is abnormal, and generates corresponding control fault-signal FB1, elevator master control system 140 is fed back to, so that elevator master control system 140 can the output based on the control fault-signal FB1 power cutoff enable signal and band-type brake control enable signal EN2.
In an alternate embodiment of the present invention where, the band-type brake control circuit 120 further include: band-type brake controls short-circuit detecting Module 124 and continuous current circuit module 125.The first end of the band-type brake control short-circuit detecting module 124 and the switch tube module 123 first end connection, the second of the second end of the band-type brake control short-circuit detecting module 124 and the switch tube module 123 End connection, and the output end of band-type brake control short-circuit detecting module 124 is connect with the elevator master control system 140.It is described continuous One end of stream return circuit module 125 connects the first end of the band-type brake coil and the second end of the switch tube module 123, described continuous The other end of stream return circuit module 125 connects the second end of the band-type brake coil and the power supply of the safe internal contracting power circuit 110 Output end.The band-type brake controls short-circuit detecting module 124, for detecting the short trouble of the switch tube module 123, and by institute It states the corresponding control fault-signal FB1 of short trouble and is transferred to elevator master control system 140, to trigger the elevator master control system The output of the 140 shutdown enable signals, so that the time-delay relay module 122 is in closed state.The continuous current circuit Module 125, for discharging the electric current of the band-type brake coil in the switch tube module 123 shutdown.
In actual treatment, safe internal contracting power circuit 110 may be implemented to export it is adjustable, it is furthermore preferred that may be selected constant Output is not involved in the switching of power supply power excitation and output adjustable function.Switch tube module 123 in band-type brake control circuit 120 It is realized using two switch pipe units, to improve the safety of band-type brake control circuit 120.It should be noted that each switch Pipe unit can be made of one or more switching tubes.Preferably, insulated gate bipolar transistor (Insulated can be used Gate Bipolar Transistor, IGBT) as the switching tube in band-type brake control circuit 120, safety grades are higher.
For example, band-type brake control circuit 120 can implement chop control by a switch pipe unit, it can be using without in The continuous current circuit of resistance realizes strong and weak excitation switching and output adjustable function, does not need higher chopping frequency；And it can be by another One switch pipe unit implements the on-off control in 131 circuit of brake, and such as another switch pipe unit can only implement on-off control, and logical The time delayed turn-off to the switch pipe unit is crossed, release time and release noise of regulating brake 131 etc. are come.Optionally, band-type brake The two switch pipe units in control circuit 120 can be controlled by elevator master control system 140 respectively, this example is not made this specifically Limitation.
In an alternate embodiment of the present invention where, as shown in figure 5, the switch tube module 123 includes first switch tube Unit Q1 and second switch pipe unit Q2.The first end of the first switch pipe unit Q1 connects the safe internal contracting power circuit The second end of 110 the first power output end, the first switch pipe unit Q1 connects the first end of the band-type brake coil, described The control terminal of first switch pipe unit Q1 connects the first output end of the control drive module 121.The second switch list The first end of first Q2 connects the second source output end of the safe internal contracting power circuit 110, the second switch pipe unit Q2 Second end connect the second end of the band-type brake coil, the control terminal of the second switch pipe unit Q2 connects the control and drives The second output terminal of module 121.The control drive module 121, specifically for reception band-type brake control enable signal EN2, and according to Enable signal EN2, which is controlled, according to the band-type brake controls driving signal to the control terminal of first switch pipe unit Q1 output first, Enter closed state to control the first switch pipe unit Q1, and, the control terminal to the second switch pipe unit Q2 is defeated Second control driving signal out, enters closed state to control the second switch pipe unit Q2.
Wherein, power driving circuit module 111 can wrap containing PWM controller 1111 and including voltage close loop 1112, should Voltage close loop 1112 can be connect with the output end of secondary commutation filter unit 1123, and the voltage Setting signal that can will be received The PWM controller 1111 is transmitted, so that PWM controller 1111 is after receiving power supply enable signal EN1, it can be according to the voltage Setting signal exports corresponding power driving signal to power output switch pipe unit 1121.
In an alternate embodiment of the present invention where, the continuous current circuit module 125 includes 1251 He of the first continuous current circuit Second continuous current circuit 1252.One end of first continuous current circuit 1251 connect the first switch pipe unit Q1 second end and The first end of the band-type brake coil, the other end of first continuous current circuit 1251 connect the of the second switch pipe unit Q2 The second end at two ends and the band-type brake coil.First continuous current circuit 1251, for the first switch pipe unit Q1 and/ Or when second switch pipe unit Q2 shutdown, discharge the electric current of the band-type brake coil.The first end of second continuous current circuit 1252 Connect the first end of the first switch pipe unit Q1 and the first power output end of the safe internal contracting power circuit 110, institute State the second continuous current circuit 1252 second end connect the second switch pipe unit Q2 second end and the band-type brake coil Two ends.Second continuous current circuit 1252, for discharging the band-type brake coil in second switch pipe unit Q2 shutdown Electric current.
In the embodiment of the present invention, optionally, the third end of second continuous current circuit 1252 connects the second switch The second source output end of the first end of unit Q2 and the safe internal contracting power circuit 110, second continuous current circuit 1252 The 4th end connect the second end of the first switch pipe unit Q1 and the first end of the band-type brake coil.Second afterflow is returned Road 1252 is also used to discharge the electric current of the band-type brake coil when the first switch pipe unit Q1 is turned off.
For example, brake controller of elevator can lead to band-type brake in the case where safe internal contracting power circuit 110 exports constant Switching tube in control circuit 120 realizes alternating chopper scheme, such as realizes alternating chopper scheme by two switch pipe units.When Elevator powers on, and power driving circuit module 111 can be controlled to the relay K0 out-put supply as power supply relay module 113 Signal is in closed state, alternating current is inputted by relay K0 with closing relay K0, i.e. control relay K0 To power supply rectification filter module 114, using the power supply signal as safe internal contracting power circuit 110；Also, as time-delay relay The relay K1 of module 122 may be at normally off, so that elevator, which is in, stops scalariform state.
When elevator is opened a sluice gate, elevator master control system 140 can monitor electric safety device state, and can be according to electrical peace It is open-minded in advance that full device state controls the first band-type brake enable signal EN2.1 and the second band-type brake enable signal EN2.2, and opens relay Device K1, so that relay K1 is in an off state；After certain time-delay, elevator master control system 140 can control the enabled letter of power supply Number EN1 is open-minded, so that power source internal switching tube enables open-minded, is in the switching tube in switch transformer module 112 and closes Conjunction state, so that band-type brake power circuit exports constant voltage, so that elevator internal contracting brake circuit enters the magnet excitation stage.? After electric power outputting current is established, safe internal contracting power circuit 110 and band-type brake control circuit 120 can be respectively to elevator safety controls Device feedback switch pipe opening state processed, to pass through the elevator safety controller for safe internal contracting power circuit 110 and/or band-type brake control Switching tube opening state in circuit 120 processed is transmitted to elevator master control 120, allows elevator master control system 140 according to safety Switching tube opening state in band-type brake power circuit 110 and/or band-type brake control circuit 120 is handled.After 1S or 2S delay, Elevator master control system 140 can control one of switching tube list that enable signal EN2 controls band-type brake control circuit by band-type brake Member realizes alternating chopper control, and the first switch of band-type brake control circuit 120 can be such as controlled by the first band-type brake enable signal EN2.1 Pipe unit Q1 realizes chop control, so that brake circuit (i.e. brake loop) enters the maintenance stage, completes elevator brake It opens a sluice gate, elevator is run.
In elevator normal brake application, the power supply enable signal EN1 that elevator master control system 140 can control band-type brake is closed in advance It is disconnected, and then enable signal EN2 can be controlled by control band-type brake, turn off the either switch Guan Dan in band-type brake control circuit 120 Member so that the continuous current circuit that brake circuit residual current passes through this switch pipe unit being turned off discharges at a slow speed, and is being prolonged When for a period of time, by another switch pipe unit in the enabled shutdown band-type brake control circuit 120 of power supply, so that brake is remaining Electric current leads to continuous current circuit quick release.
It is enabled for example, and then elevator master control system 140 after power cutoff enable signal EN1, can control the first band-type brake Signal EN2.1 shutdown, to turn off the first switch pipe unit Q1 of band-type brake control circuit 120, so that brake circuit residual current It is discharged at a slow speed by the continuous current circuit of first switch pipe unit Q1 in band-type brake control circuit 120, that is, passes through the first continuous current circuit 1251 discharge to obtain brake circuit residual current；It is delayed after a period of time, the second band-type brake enable signal EN2.2 can be turned off, made Brake residual current is obtained by the continuous current circuit quick release of second switch pipe unit Q2 in band-type brake control circuit 120, that is, is led to It crosses the second continuous current circuit 1252 and discharges to obtain brake circuit residual current.After electric power outputting current shutdown, safe internal contracting power supply Circuit 110 can distinguish feedback switch pipe off state to elevator master control system 140, to complete with band-type brake control circuit 120 is crossed Brake barrier gate realizes that elevator is out of service.
In elevator emergency brake, elevator master control system 140 can detect electric safety device by safety governor It disconnects, and can trigger elevator safety controller and issue emergency braking instruction, while power supply enable signal EN1, first can be disconnected Band-type brake enable signal EN2.1 and the second band-type brake enable signal EN2.2, so that safe internal contracting power circuit 110 and band-type brake control electricity Shutdown is almost realized on road 120 simultaneously, i.e. two switch pipe units in band-type brake control road 120 realize cutting, so that system Dynamic device circuit residual current can be by the continuous current circuit quick release in band-type brake control circuit 120, such as the remaining electricity of brake circuit Stream passes through 1251 quick release of the first continuous current circuit in band-type brake control circuit 120.After electric power outputting current shutdown, safety is embraced Lock power circuit 110 and excessively band-type brake control circuit 120 can distinguish feedback switch pipe off state and give elevator safety controller, with The urgent barrier gate of 140 brake of elevator master control system, elevator emergency brake are notified by the elevator safety phase, and K1 relay can Timing closing, it is ensured that brake is in safety stop state.
In another alternative embodiment of the invention, as shown in fig. 6, the switch tube module 123 includes first switch Pipe unit Q1 and second switch pipe unit Q2, the continuous current circuit module 125 include the first continuous current circuit 1251.Described first opens The first end for closing pipe unit Q1 connects the second end of the second switch pipe unit Q2, and the second of the first switch pipe unit Q1 End connects the first end of the band-type brake coil, and the control terminal of the first switch pipe unit Q1 connects the control drive module 121 the first output end.The first end of the second switch pipe unit Q2 connects the first of the safe internal contracting power circuit 110 Power output end, the control terminal of the second switch pipe unit Q2 connect the second output terminal of the control drive module 121.Institute State the first continuous current circuit 1251 one end connect the first switch pipe unit Q1 second end and the band-type brake coil first End, the other end of first continuous current circuit 1251 connect the band-type brake coil second end and the safe internal contracting power circuit 110 second source output end.The control drive module 121, specifically for reception band-type brake control enable signal EN2, and according to Enable signal EN2, which is controlled, according to the band-type brake controls driving signal to the control terminal of first switch pipe unit Q1 output first, Enter closed state to control the first switch pipe unit Q1, and, the control terminal to the second switch pipe unit Q2 is defeated Second control driving signal out, enters closed state to control the second switch pipe unit Q2.First continuous current circuit 1251, for discharging the band-type brake coil when the first switch pipe unit Q1 and/or second switch pipe unit Q2 is turned off Electric current.
Furthermore, the continuous current circuit module 125 in the embodiment of the present invention can also include second continuous current circuit 1252.The first end of second continuous current circuit 1252 connects the first end of the first switch pipe unit Q1 and described second and opens Close the second end of pipe unit Q2, the second end of second continuous current circuit 1252 connects the second end of the band-type brake coil and described The second source output end of safe internal contracting power circuit 110.Second continuous current circuit 1252, in the second switch When unit Q2 is turned off, the electric current of the band-type brake coil is discharged.
In embodiments of the present invention, optionally, the band-type brake control enable signal EN2 includes the first band-type brake enable signal EN2.1 and the second band-type brake enable signal EN2.2, the control drive module 121 include the first control driving unit 1211 and the Two control driving units 1212, the band-type brake control short-circuit detecting module 124 includes: the first short detection unit 1241, first Diode D1, the second short detection unit 1242 and the second diode D2.
One output end of the first control driving unit 1211 connects the control terminal of the first switch pipe unit Q1, institute Another output end for stating the first control driving unit 1211 connects the first end of the time-delay relay module 122.Described first Driving unit 1211 is controlled, for receiving the first band-type brake enable signal EN2.1, and according to the first band-type brake enable signal EN2.1 exports control driving signal to the control terminal of the first switch pipe unit Q1, to control the first switch pipe unit Q1 enters closed state, and, signal is controlled to 122 output relay of time-delay relay module, to control the delay The working condition of relay module 122.
The output end of the second control driving unit 1212 connects the control terminal of the second switch pipe unit Q2.It is described Second control driving unit 1212, for receiving the second band-type brake enable signal EN2.2, and according to the second band-type brake enable signal EN2.2 exports control driving signal to the control terminal of the second switch pipe unit Q2, to control the second switch pipe unit Q2 enters closed state.
The first end of first short detection unit 1241 passes through the first diode D1 and the first switch tube The first end of unit Q1 connects, and the of the second end of first short detection unit 1241 and the first switch pipe unit Q1 The connection of two ends, the output end of first short detection unit 1241 are connect with the elevator master control system 140.First short circuit inspection The short trouble that unit 1241 is used to detect the first switch pipe unit Q1 is surveyed, and the first switch pipe unit Q1 is corresponding Short circuit fault signal be transferred to elevator master control system, turn off the defeated of the enable signal to trigger the elevator master control system Out.
The first end of second short detection unit 1242 passes through the second diode D2 and the second switch The first end of unit Q2 connects, and the of the second end of second short detection unit 1242 and the second switch pipe unit Q2 The connection of two ends, the output end of second short detection unit 1242 are connect with the elevator master control system.Second short-circuit detecting Unit 1242 is used to detect the short trouble of the second switch pipe unit Q2, and the second switch pipe unit Q2 is corresponding Short circuit fault signal is transferred to elevator master control system, to trigger the output that the elevator master control system turns off the enable signal.
As an example of the invention, in the case where band-type brake power supply exports adjustable situation, two of band-type brake control circuit are opened On-off control can only be realized by closing pipe unit.Specifically, power driving circuit module 111 can be to as electricity when elevator powers on The relay K0 out-put supply of source relay module 113 controls signal, and with closing relay K0, i.e., control relay K0, which is in, closes Conjunction state allows alternating current to be input to power supply rectification filter module 114 by relay K0, using as safe internal contracting power supply The power supply signal of circuit 110；Also, the relay K1 as time-delay relay module 122 may be at normally off, so that electric Ladder, which is in, stops scalariform state.
When elevator is opened a sluice gate, elevator master control system 140 can monitor electric safety device state, and can be according to electrical peace It is open-minded in advance that full device state controls the first band-type brake enable signal EN2.1 and the second band-type brake enable signal EN2.2, and opens relay Device K1, so that relay K1 is in an off state；After certain time-delay, elevator master control system 140 can control the enabled letter of power supply Number EN1 is open-minded, and continuously sends out voltage Setting signal, so that power source internal switching tube enables open-minded, such as makes switch transformer Switching tube in module 112 is in closed state, so that band-type brake power circuit exports constant voltage, so that elevator is embraced Lock circuit enters the magnet excitation stage.After electric power outputting current foundation, safe internal contracting power circuit 110 and band-type brake control circuit 120 can be respectively to elevator safety controller feedback switch pipe opening state, to be embraced safety by the elevator safety controller Switching tube opening state in lock power circuit 110 and/or band-type brake control circuit 120 is transmitted to elevator master control 120, so that elevator Master control system 140 can be according to the switching tube opening state in safe internal contracting power circuit 110 and/or band-type brake control circuit 120 It is handled.After 1S or 2S delay, elevator master control system 140 can control enable signal EN2 by band-type brake and control band-type brake control One of switch pipe unit of circuit processed realizes alternating chopper control, can such as be controlled by the first band-type brake enable signal EN2.1 The first switch pipe unit Q1 of band-type brake control circuit 120 realizes chop control, so that brake circuit (i.e. brake loop) enters Maintenance stage completes opening a sluice gate for elevator brake, elevator is run.
In elevator normal brake application, the power supply enable signal EN1 that elevator master control system 140 can control band-type brake is closed in advance It is disconnected, and then enable signal EN2 can be controlled by control band-type brake, turn off the either switch Guan Dan in band-type brake control circuit 120 Member, so that brake circuit residual current is discharged at a slow speed by the continuous current circuit of band-type brake control circuit single switch pipe unit, and Delay a period of time, by another switch pipe unit in the enabled shutdown band-type brake control circuit 120 of power supply, so that brake is surplus Aftercurrent leads to continuous current circuit quick release.For example, elevator master control system 140 is after power cutoff enable signal EN1, it and then can be The first band-type brake enable signal EN2.1 shutdown is controlled, to turn off the first switch pipe unit Q1 of band-type brake control circuit 120, so that system Dynamic device circuit residual current is discharged at a slow speed by the continuous current circuit of first switch pipe unit Q1 in band-type brake control circuit 120, i.e., logical It crosses the first continuous current circuit 1251 and discharges to obtain brake circuit residual current；It is delayed after a period of time, can turn off the second band-type brake makes Energy signal EN2.2, so that continuous current circuit of the brake residual current by second switch pipe unit Q2 in band-type brake control circuit 120 Quick release discharges to obtain brake circuit residual current by the second continuous current circuit 1252.After electric power outputting current shutdown, Safe internal contracting power circuit 110 and excessively band-type brake control circuit 120 can distinguish feedback switch pipe off state and give elevator master control system System 140 realizes that elevator is out of service to complete brake barrier gate.
In elevator emergency brake, elevator master control system 140 can detect electric safety device by safety governor It disconnects, and can trigger elevator safety controller and issue emergency braking instruction, while power supply enable signal EN1, first can be disconnected Band-type brake enable signal EN2.1 and the second band-type brake enable signal EN2.2, so that safe internal contracting power circuit 110 and band-type brake control electricity Shutdown is almost realized simultaneously in road 120.Because two switch pipe units in band-type brake control road 120 realize cutting, so that system Dynamic device circuit residual current can be by the continuous current circuit quick release in band-type brake control circuit 120, such as the remaining electricity of brake circuit Stream passes through 1251 quick release of the first continuous current circuit in band-type brake control circuit 120.After electric power outputting current shutdown, safety is embraced Lock power circuit 110 and excessively band-type brake control circuit 120 can distinguish feedback switch pipe off state and give elevator safety controller, with The urgent barrier gate of 140 brake of elevator master control system, elevator emergency brake are notified by the elevator safety phase, and relay K1 can Timing closing, it is ensured that brake is in safety stop state.
In the concrete realization, the implementable chop control of first switch pipe unit Q1 in band-type brake control circuit 120, can be with It uses internal resistance for the continuous current circuit of 0 Ω, realizes strong and weak excitation switching and output adjustable function, do not need higher copped wave frequency Rate.Second switch pipe unit Q2 in band-type brake control circuit 120 can only implement on-off control, by second switch pipe unit Release time and the release noise of brake 131 is adjusted in the time delayed turn-off of Q2.
Certainly, band-type brake control circuit 120 can also include other circuit modules, such as may include filter circuit module； Filter circuit module may include filter capacitor, filter inductance etc., and the embodiment of the present invention is not specifically limited this.For example, can To increase a filter inductance L between first switch pipe unit Q1 and second switch pipe unit Q1, to control electricity as band-type brake Filter circuit module in road 120, as shown in fig. 7, the first end of filter inductance L can connect the of first switch pipe unit Q1 Two ends, the second end of inductance can connect the first end of second switch pipe unit Q2.
For another example, band-type brake control circuit 120 can be using inductance and capacitor as filter circuit module, and the inductance can go here and there Connection is connected between first switch pipe unit Q1 and second switch pipe unit Q1, as one end of inductance can connect first switch tube The second end of unit Q1, the other end of inductance can connect the first end of second switch pipe unit Q2；And one end of capacitor can To connect the other end of inductance and the first end of second switch pipe unit Q2, the other end of capacitor can connect the of band-type brake coil Reference ground (GND) of two ends and/or the band-type brake control circuit 120 etc..
To sum up, safe internal contracting power circuit 110 and band-type brake included in the brake controller of elevator of the embodiment of the present invention Chop control can be achieved in control circuit 120, in order to be integrated from different elevator devices.Wherein, safe internal contracting power supply electricity Constant output both can be used in road 110, can also can also pass through elevator master control by the given output for realizing various modes of voltage PWM chop control realizes adjustable output etc., and the embodiment of the present invention is not specifically limited this.For example, power driving circuit module 111 can wrap containing a PWM controller, carry out timing control to power supply enable signal EN1 by the PWM controller, and In combination with the different implementations that safe internal contracting power circuit 110 exports, different control for brake effects is realized, to cope with difference The braking requirement of elevator device, has a wide range of application.
In addition, the brake controller of elevator of the embodiment of the present invention increases redundancy relay in safe internal contracting mains input side K0 increases time-delay relay K1 in band-type brake control circuit outlet side, further improves the safety of band-type brake control circuit.
The embodiment of the invention also provides a kind of elevator brake control methods, to apply the elevator brake control in elevator device In device processed, which may include the brake controller of elevator mentioned in any of the above-described embodiment.
Referring to Fig. 8, the step flow chart of one of embodiment of the present invention elevator brake control method is shown.The elevator Brake control method can be applied in brake device for elevator, can specifically include following steps:
Step 810, safe internal contracting power circuit exports power supply signal to band-type brake control circuit according to power supply enable signal；
Step 820, the band-type brake control circuit generates electric current according to band-type brake control enable signal and the power supply signal, makes It obtains the brake and is in releasing orientation；
Step 830, when the band-type brake control circuit detects short trouble, corresponding control is fed back to elevator master control system Fault-signal processed, to trigger the output of the elevator master control system shutdown enable signal, so that brake is in release conditions.
Wherein, the enable signal includes: the power supply enable signal and band-type brake control enable signal.
In embodiments of the present invention, optionally, the safe internal contracting power circuit includes: power driving circuit module, opens Close transformer module and power supply relay module.Safe internal contracting power circuit controls electricity according to power supply enable signal, to band-type brake Road exports power supply signal, can specifically include: receiving power supply enable signal by power driving circuit module, and foundation receives Power supply enable signal to the power supply relay module out-put supply control signal so that the power supply relay module is in Closed state, and, to the switch transformer module out-put supply driving signal, with drive the switch transformer module according to It is band-type brake control circuit power supply according to the output signal of the rectification filtering module.
In an alternate embodiment of the present invention where, the band-type brake control circuit includes: control drive module, delay relay Device module and switch tube module.Band-type brake control circuit generates electric current according to band-type brake control enable signal and the power supply signal, So that the brake is in releasing orientation, it may include: to receive the band-type brake by control drive module to control enable signal, And control enable signal according to the band-type brake and control signal to the time-delay relay module output relay, to prolong described in control When relay module working condition, and to it is described switch tube module control terminal output control driving signal, to control It states switch tube module and enters closed state；By the switch tube module, the power supply signal that safe internal contracting power circuit is exported It is transmitted to the band-type brake coil of the brake, generates the electric current of band-type brake coil.
In an alternate embodiment of the present invention where, the band-type brake control circuit can also include: band-type brake control short circuit inspection Survey module and continuous current circuit module.When the band-type brake control circuit detects short trouble, to elevator master control system feedback pair The control fault-signal answered, to trigger the output of the elevator master control system shutdown enable signal, so that brake is in release State, comprising: short-circuit detecting module is controlled by the band-type brake, detects the short trouble of the switch tube module, and will be described The corresponding control fault-signal of short trouble is transferred to elevator master control system, is made described in the elevator master control system shutdown with triggering The output of energy signal, so that the time-delay relay module is in closed state；In switch tube module shutdown, by continuous Stream return circuit module discharges the electric current of the band-type brake coil, so that brake is in release conditions.
In an embodiment of the present invention, optionally, the switch tube module includes first switch pipe unit and second switch Pipe unit.Band-type brake control circuit generates electric current according to band-type brake control enable signal and the power supply signal, so that the brake It may include: to receive the band-type brake by control drive module to control enable signal, and according to the band-type brake in releasing orientation Enable signal is controlled to the control terminal of first switch pipe unit output the first control driving signal, is opened with controlling described first It closes pipe unit and enters closed state, and, driving signal is controlled to the control terminal of second switch pipe unit output second, with It controls the second switch pipe unit and enters closed state.
In an alternate embodiment of the present invention where, the continuous current circuit module includes the first continuous current circuit and the second afterflow Circuit.In switch tube module shutdown, the electric current of the band-type brake coil is discharged by continuous current circuit module, specifically can wrap Include: when the first switch pipe unit and/or second switch pipe unit turn off, by the first continuous current circuit, release is described to be embraced The electric current of brake cable circle；In second switch pipe unit shutdown, the electricity of the band-type brake coil is discharged by the second continuous current circuit Stream.
In an embodiment of the present invention, optionally, it when the switch tube module turns off, is discharged by continuous current circuit module The electric current of the band-type brake coil can also include: to pass through second continuous current circuit in first switch pipe unit shutdown Discharge the electric current of the band-type brake coil.
In an alternate embodiment of the present invention where, the switch tube module includes first switch pipe unit and second switch Pipe unit, the continuous current circuit module include the first continuous current circuit.Band-type brake control circuit is according to band-type brake control enable signal and institute It states power supply signal and generates electric current, so that the brake is in releasing orientation, it may include: to be connect by the control drive module It receives band-type brake and controls enable signal, and control enable signal according to the band-type brake and exported to the control terminal of the first switch pipe unit First control driving signal, enters closed state to control the first switch pipe unit, and, to the second switch list Control terminal output the second control driving signal of member, enters closed state to control the second switch pipe unit.It is opened described When closing tube module shutdown, the electric current of the band-type brake coil is discharged by continuous current circuit module, may include: in the first switch When pipe unit and/or second switch pipe unit turn off, the electric current of the band-type brake coil is discharged by first continuous current circuit.
Optionally, the continuous current circuit module further includes second continuous current circuit；In switch tube module shutdown, The electric current that the band-type brake coil is discharged by continuous current circuit module, can also include: the second switch pipe unit shutdown when, The electric current of the band-type brake coil is discharged by the second continuous current circuit.
In an alternate embodiment of the present invention where, band-type brake control enable signal include the first band-type brake enable signal and Second band-type brake enable signal, the control drive module includes the first control driving unit and second controls driving unit, described It includes: the first short detection unit, first diode, the second short detection unit and the two or two that band-type brake, which controls short-circuit detecting module, Pole pipe.
Band-type brake is received above by the control drive module and controls enable signal, and controls enabled letter according to the band-type brake Number to the control terminal of the first switch pipe unit output first control driving signal, with control the first switch pipe unit into Enter closed state, and, to the control terminal of second switch pipe unit output the second control driving signal, to control described the Two switch pipe units enter closed state, can specifically include: receiving the first band-type brake by the first control driving unit makes Energy signal, and control driving letter is exported to the control terminal of the first switch pipe unit according to the first band-type brake enable signal Number, enter closed state to control the first switch pipe unit, and, to the time-delay relay module output relay control Signal processed, to control the working condition of the time-delay relay module；By the second control driving unit, second armful is received Lock enable signal, and control driving is exported to the control terminal of the second switch pipe unit according to the second band-type brake enable signal Signal enters closed state to control the second switch pipe unit.
Short-circuit detecting module is controlled by the band-type brake, detects the short trouble of the switch tube module, and will be described short Failure corresponding control fault-signal in road is transferred to elevator master control system, described enabled to trigger the elevator master control system shutdown The output of signal, comprising: the short trouble of the first switch pipe unit is detected by the first short detection unit, and will be described The corresponding short circuit fault signal of first switch pipe unit is transferred to elevator master control system, to trigger the elevator master control system shutdown The output of the enable signal；The short trouble of the second switch pipe unit is detected by the second short detection unit, and will The corresponding short circuit fault signal of the second switch pipe unit is transferred to elevator master control system, to trigger the elevator master control system Turn off the output of the enable signal.
In the embodiment of the present invention, optionally, the safe internal contracting power circuit further include: power supply rectification filter module and electricity Source short-circuit detecting module.The above method can also include: to detect short trouble by power supply short circuit detection module, and will be described short Failure corresponding power failure signal in road feeds back to the elevator master control system, to trigger described in the elevator master control system shutdown The output of enable signal.
In an alternate embodiment of the present invention where, the switch transformer module include: power output switch pipe unit, Transformer and secondary commutation filter unit.Safe internal contracting power circuit is exported according to power supply enable signal to band-type brake control circuit Power supply signal, comprising: power output switchs power driving signal and described of the pipe unit according to the output of power driving circuit module The output signal of power supply rectification filter module generates power output signal；The transformer is produced according to the power output signal Raw out-put supply signal；Rectifying and wave-filtering is carried out to out-put supply signal by the secondary commutation filter unit, is obtained for telecommunications Number, and the power supply signal is exported to band-type brake control circuit.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented Necessary to example.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices In the computer-readable memory to work in a predictive manner, so that instruction stored in the computer readable memory generates packet The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of brake controller of elevator provided by the present invention and method, it is described in detail, herein Apply that a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to help Understand method and its core concept of the invention；At the same time, for those skilled in the art, according to the thought of the present invention, There will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as to this The limitation of invention.

Claims (13)

1. a kind of brake controller of elevator characterized by comprising safe internal contracting power circuit, band-type brake control circuit and Elevator host；
Wherein, one end of the band-type brake control circuit connects the power output end of the safe internal contracting power circuit, the band-type brake The other end of control circuit connects the brake of the elevator host；
The safe internal contracting power circuit, for exporting power supply signal to the band-type brake control circuit according to power supply enable signal, Think the band-type brake control circuit power supply；
The band-type brake control circuit, for the power supply according to band-type brake control enable signal and safe internal contracting power circuit output Signal generates electric current, so that the brake is in releasing orientation；And when detecting short trouble, fed back to elevator master control system Corresponding control fault-signal is released with triggering the output of the elevator master control system shutdown enable signal so that brake is in State is put, the enable signal includes: the power supply enable signal and band-type brake control enable signal.
2. the apparatus according to claim 1, which is characterized in that the safe internal contracting power circuit includes: power drives electricity Road module, switch transformer module and power supply relay module；
One end of the power driving circuit module connects the power supply relay module, the power driving circuit module it is another One end connects the switch transformer module, and the output end of the switch transformer module connects the band-type brake control circuit；
The power driving circuit module, for being exported according to the power supply enable signal received to the power supply relay module Power control signal so that the power supply relay module is in closed state, and exports electricity to the switch transformer module Source driving signal, to drive the switch transformer module according to the output signal of the rectification filtering module for the band-type brake control Circuit power supply processed.
3. the apparatus according to claim 1, which is characterized in that the band-type brake control circuit includes: control drive module, prolongs When relay module and switch tube module；
One output end of the control drive module connects the control terminal of the switch tube module, described to control the another of drive module One output end connects the first end of the time-delay relay module；
The first end of the switch tube module connects the power output end of the safe internal contracting power circuit, the switch tube module Second end connect the second end of the brake and the time-delay relay module；
The control drive module for receiving the band-type brake control enable signal, and controls enable signal according to the band-type brake Signal is controlled to the time-delay relay module output relay, to control the working condition of the time-delay relay module, with And the control terminal output control driving signal to the switch tube module, enter closed state to control the switch tube module；
The switch tube module, the power supply signal for exporting safe internal contracting power circuit are transmitted to the band-type brake of the brake Coil generates the electric current of band-type brake coil.
4. device according to claim 3, which is characterized in that the band-type brake control circuit further include: band-type brake control short circuit Detection module and continuous current circuit module；
The first end of the band-type brake control short-circuit detecting module is connect with the first end of the switch tube module, the band-type brake control The second end of short-circuit detecting module is connect with the second end of the switch tube module, and band-type brake control short-circuit detecting module Output end is connect with the elevator master control system；
One end of the continuous current circuit module connects the first end of the band-type brake coil and the second end of the switch tube module, institute State continuous current circuit module the other end connect the band-type brake coil second end and the safe internal contracting power circuit power supply it is defeated Outlet；
The band-type brake controls short-circuit detecting module, for detecting the short trouble of the switch tube module, and will the short-circuit event Hinder corresponding control fault-signal and be transferred to elevator master control system, turns off the enable signal to trigger the elevator master control system Output so that the time-delay relay module is in closed state；
The continuous current circuit module, for discharging the electric current of the band-type brake coil in switch tube module shutdown.
5. device according to claim 4, which is characterized in that the switch tube module includes first switch pipe unit and Two switch pipe units；
The first end of the first switch pipe unit connects the first power output end of the safe internal contracting power circuit, and described The second end of one switch pipe unit connects the first end of the band-type brake coil, and the control terminal of the first switch pipe unit connects institute State the first output end of control drive module；
The first end of the second switch pipe unit connects the second source output end of the safe internal contracting power circuit, and described The second end of two switch pipe units connects the second end of the band-type brake coil, and the control terminal of the second switch pipe unit connects institute State the second output terminal of control drive module；
The control drive module is specifically used for receiving band-type brake control enable signal, and controls enable signal according to the band-type brake To the control terminal of first switch pipe unit output the first control driving signal, entered with controlling the first switch pipe unit Closed state, and, to the control terminal of second switch pipe unit output the second control driving signal, to control described second Switch pipe unit enters closed state.
6. device according to claim 5, which is characterized in that the continuous current circuit module includes the first continuous current circuit and the Two continuous current circuits；
One end of first continuous current circuit connect the first switch pipe unit second end and the band-type brake coil first End, the other end of first continuous current circuit connect the second switch pipe unit second end and the band-type brake coil second End；First continuous current circuit, for discharging institute when the first switch pipe unit and/or second switch pipe unit turn off State the electric current of band-type brake coil；
The first end of second continuous current circuit connect the first switch pipe unit first end and the safe internal contracting power supply First power output end of circuit, the second end of second continuous current circuit connect the second switch pipe unit second end and The second end of the band-type brake coil；Second continuous current circuit is used in second switch pipe unit shutdown, described in release The electric current of band-type brake coil.
7. device according to claim 6, which is characterized in that
The third end of second continuous current circuit connect the second switch pipe unit first end and the safe internal contracting power supply The second source output end of circuit, the 4th end of second continuous current circuit connect the first switch pipe unit second end and The first end of the band-type brake coil；
Second continuous current circuit is also used to discharge the electric current of the band-type brake coil when the first switch pipe unit turns off.
8. device according to claim 4, which is characterized in that the switch tube module includes first switch pipe unit and Two switch pipe units, the continuous current circuit module include the first continuous current circuit；
The first end of the first switch pipe unit connects the second end of the second switch pipe unit, the first switch tube list The second end of member connects the first end of the band-type brake coil, and the control terminal of the first switch pipe unit connects the control driving First output end of module；
The first end of the second switch pipe unit connects the first power output end of the safe internal contracting power circuit, and described The control terminal of two switch pipe units connects the second output terminal of the control drive module；
One end of first continuous current circuit connect the first switch pipe unit second end and the band-type brake coil first End, the other end of first continuous current circuit connect the band-type brake coil second end and the safe internal contracting power circuit the Two power output ends；
The control drive module is specifically used for receiving band-type brake control enable signal, and controls enable signal according to the band-type brake To the control terminal of first switch pipe unit output the first control driving signal, entered with controlling the first switch pipe unit Closed state, and, to the control terminal of second switch pipe unit output the second control driving signal, to control described second Switch pipe unit enters closed state；
First continuous current circuit, for discharging institute when the first switch pipe unit and/or second switch pipe unit turn off State the electric current of band-type brake coil.
9. device according to claim 8, which is characterized in that the continuous current circuit module further includes that second afterflow is returned Road；
The first end of second continuous current circuit connect the first switch pipe unit first end and the second switch list Member second end, the second end of second continuous current circuit connect the band-type brake coil second end and the safe internal contracting power supply The second source output end of circuit；
Second continuous current circuit, for discharging the electric current of the band-type brake coil in second switch pipe unit shutdown.
10. according to any device of claim 5 to 8, which is characterized in that the band-type brake control enable signal includes first Band-type brake enable signal and the second band-type brake enable signal, the control drive module include the first control driving unit and the second control Driving unit, the band-type brake control short-circuit detecting module include: the first short detection unit, first diode, the second short circuit inspection Survey unit and the second diode；
One output end of the first control driving unit connects the control terminal of the first switch pipe unit, first control Another output end of driving unit connects the first end of the time-delay relay module；
The first control driving unit, for receiving the first band-type brake enable signal, and according to the first band-type brake enable signal Control driving signal is exported to the control terminal of the first switch pipe unit, enters closure to control the first switch pipe unit State, and, signal is controlled to the time-delay relay module output relay, to control the work of the time-delay relay module Make state；
The output end of the second control driving unit connects the control terminal of the second switch pipe unit；
The second control driving unit, for receiving the second band-type brake enable signal, and according to the second band-type brake enable signal Control driving signal is exported to the control terminal of the second switch pipe unit, enters closure to control the second switch pipe unit State；
The first end of first short detection unit passes through the first diode and the first of the first switch pipe unit End connection, the second end of first short detection unit are connect with the second end of the first switch pipe unit, and described first The output end of short detection unit is connect with the elevator master control system；
First short detection unit is used to detect the short trouble of the first switch pipe unit, and by the first switch tube list The corresponding short circuit fault signal of member is transferred to elevator master control system, turns off the enable signal to trigger the elevator master control system Output；
The first end of second short detection unit passes through second diode and the first of the second switch pipe unit End connection, the second end of second short detection unit are connect with the second end of the second switch pipe unit, and described second The output end of short detection unit is connect with the elevator master control system；
Second short detection unit is used to detect the short trouble of the second switch pipe unit, and by the second switch list The corresponding short circuit fault signal of member is transferred to elevator master control system, turns off the enable signal to trigger the elevator master control system Output.
11. the apparatus of claim 2, which is characterized in that the safe internal contracting power circuit further include: power rectifier Filter module and power supply short circuit detection module；
One end of the power supply rectification filter module connects the power supply relay module, the power supply rectification filter module it is another One end connects the switch transformer module；
The first end of the power supply short circuit detection module connects the power supply rectification filter module and the switch transformer module, The second end of the power supply short circuit detection module connects the elevator master control system；
The power supply short circuit detection module, for detecting short trouble, and by the corresponding power failure signal of the short trouble The elevator master control system is fed back to, to trigger the output that the elevator master control system turns off the enable signal.
12. device according to claim 11, which is characterized in that the switch transformer module includes: that power output is opened Close pipe unit, transformer and secondary commutation filter unit；
The first end of the power output switch pipe unit connects the output end and the power supply of the power supply rectification filter module The second end of short-circuit detecting module, the power output switch pipe unit connects the primary side of the transformer, and, the power The control terminal of output switch pipe unit connects the power driving circuit module；
The input terminal of the secondary commutation filter unit connects the secondary side of the transformer, the secondary commutation filter unit it is defeated Outlet connects the band-type brake control circuit；
The power output switchs pipe unit, power driving signal and the electricity for exporting according to power driving circuit module The output signal of source rectification filtering module generates power output signal；
The transformer, for generating out-put supply signal according to the power output signal；
The secondary commutation filter unit obtains power supply signal, and will be described for carrying out rectifying and wave-filtering to out-put supply signal Power supply signal is exported to band-type brake control circuit.
13. a kind of elevator brake control method, which is characterized in that applied to the elevator system as described in claim 1 to 12 is any Dynamic device, which comprises
Safe internal contracting power circuit exports power supply signal according to power supply enable signal, to band-type brake control circuit；
The band-type brake control circuit generates electric current according to band-type brake control enable signal and the power supply signal, so that the brake In releasing orientation；
When the band-type brake control circuit detects short trouble, corresponding control fault-signal is fed back to elevator master control system, To trigger the output of the elevator master control system shutdown enable signal, so that brake is in release conditions, wherein described enabled Signal includes: the power supply enable signal and band-type brake control enable signal.
CN201811384827.1A 2018-11-20 2018-11-20 A kind of brake controller of elevator and method Pending CN109264517A (en)

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PCT/CN2019/097012 WO2020103480A1 (en) 2018-11-20 2019-07-22 Elevator braking control device and method

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