CN107840219A - Band-type brake coil control circuit, method, band-type brake control power-supply device and elevator - Google Patents
Band-type brake coil control circuit, method, band-type brake control power-supply device and elevator Download PDFInfo
- Publication number
- CN107840219A CN107840219A CN201711167242.XA CN201711167242A CN107840219A CN 107840219 A CN107840219 A CN 107840219A CN 201711167242 A CN201711167242 A CN 201711167242A CN 107840219 A CN107840219 A CN 107840219A
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- Prior art keywords
- band
- type brake
- switch
- control
- unit
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Classifications
-
- 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
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
Abstract
The invention discloses a kind of band-type brake coil control circuit, including control unit, accessory power supply, first switch, output detection unit and signal coupling unit.Control unit connects accessory power supply, first switch, output detection unit and signal coupling unit respectively.First switch connects accessory power supply and total power supply source to band-type brake coil power supply.The present invention also provides the elevator of a kind of band-type brake coil control method, the band-type brake control power-supply device of the built-in band-type brake coil control circuit and application band-type brake control power-supply device.The shut-off for realizing band-type brake coil by band-type brake coil control circuit controls, and automatically controls efficiency high, and securely and reliably, circuit structure is simple and noise is small, solves the problems, such as that traditional band-type brake coil shut-off control efficiency is not high.The structure simplification of band-type brake control power-supply device, small volume.Using the elevator of above-mentioned band-type brake control power-supply device, running is more steady, reliable, and braking is more timely and noise is low.
Description
Technical field
The present invention relates to elevator technology field, and electricity is controlled more particularly to a kind of band-type brake coil control circuit, method, band-type brake
Source device and elevator.
Background technology
The special equipment of vertical conveyor class, such as elevator or Cargo Lift, security control are vital contents.For electricity
Ladder or Cargo Lift equipment, usually using the traction brake of electromagnetic brake mode, safety arrestment is carried out by traction brake, prevented
Improper displacement occurs when only the car of elevator or Cargo Lift is in static or power motor power failure state, ensures elevator or Cargo Lift
It is safe for operation.The traction restraining coil of traction brake is also referred to as band-type brake coil, and it usually requires to control by supporting band-type brake
Power supply, the control of operation and shut-off is realized, so as to carry out safety arrestment to elevator or the car of Cargo Lift equipment.Traditional band-type brake control
Power supply processed is realized and band-type brake coil is forced shutdown, however, traditional generally by external high-power safer contact serial chain
Band-type brake control power-supply device it is low to the control efficiency of band-type brake coil.
The content of the invention
Based on above-mentioned analysis, it is necessary to control power-supply device low to the control efficiency of band-type brake coil for traditional band-type brake
Problem, there is provided a kind of band-type brake coil control circuit, a kind of band-type brake coil control method, a kind of band-type brake control power-supply device and one kind
Elevator.
A kind of band-type brake coil control circuit, including control unit, accessory power supply, first switch, output detection unit and letter
Number coupling unit, described control unit connect respectively the accessory power supply, the first switch, the output detection unit and
The signal coupling unit, the first switch connects the accessory power supply and total power supply source to band-type brake coil power supply, described
Power conversion unit and the output rectification of band-type brake control power-supply device are connected between output detection unit and the first switch
Unit, the output detection unit series connection band-type brake coil, the signal coupling unit connection export to the band-type brake coil
The band-type brake signal element of external control signal；
The accessory power supply is used to carry out described control unit adaptation power supply, and the output detection unit is used for described
Rectification output unit carries out output electrical signal detection, and the signal coupling unit is used for the outer of band-type brake signal element output
Portion's control signal carries out signal coupling and inputs described control unit；Described control unit is detecting the band-type brake signal element
The external control signal of output is invalid and/or the output detection unit is when detecting predetermined failure, controls the first switch
Turn off the total power supply of the power supply source to the band-type brake coil.
A kind of band-type brake coil control method of described band-type brake coil control circuit, including step：
If the external control signal of band-type brake signal element output is effectively and output detection unit is not detected by predetermined failure,
The first switch is controlled to turn on；Wherein, during the first switch conducting, the band-type brake coil connects total power supply source and starts to transport
OK；
Under the first switch conducting state, if the band-type brake signal element output external control signal it is invalid and/
Or the output detection unit controls the first switch to turn off when detecting predetermined failure；Wherein, the first switch disconnects
When, the band-type brake coil blackout is out of service.
A kind of band-type brake coil control device, including：
Control module is turned on, if the external control signal for the output of band-type brake signal element is effective and exports detection unit not
When detecting predetermined failure, the first switch is controlled to turn on；Wherein, during the first switch conducting, the band-type brake coil connects
Lead to total power supply source and bring into operation；
Control module is turned off, under the first switch conducting state, if band-type brake signal element output is outer
Portion's control signal is effective and the output detection unit is when detecting predetermined failure, controls the first switch to turn off；Wherein, institute
When stating first switch disconnection, the band-type brake coil blackout is out of service.
A kind of band-type brake controls power-supply device, including power conversion unit, output rectification unit and described band-type brake coil control
Circuit processed.
A kind of elevator, including car, band-type brake coil and described band-type brake control power-supply device.
Above-mentioned band-type brake coil control circuit and method, corresponding failure, signal Effective judgement are carried out by control unit
With corresponding control, the shut-off control of band-type brake coil is effectively realized, is carried out without external high-power safer contact serial chain strong
System shut-off, automatically controls more efficient, safe and reliable, circuit structure is simple, and control process noise is low, solves traditional band-type brake
The problem of coil shut-off control efficiency is not high.The band-type brake control power-supply device structure letter of built-in above-mentioned band-type brake coil control circuit
Change, small volume, the shut-off control to band-type brake coil is timely, reliable and control process noise is low, has the high effect of control efficiency.
Using the elevator of above-mentioned band-type brake control power supply, operation is safer, and braking is more steady, safety and noise are low.
Brief description of the drawings
Fig. 1 is the band-type brake coil control circuit structural representation of one embodiment of the invention；
Fig. 2 is the band-type brake coil control circuit structural representation of another embodiment of the present invention；
Fig. 3 is the band-type brake coil control flow chart of one embodiment of the invention；
Fig. 4 is the band-type brake coil control flow chart of another embodiment of the present invention；
Fig. 5 is the band-type brake coil control sequential figure of one embodiment of the invention；
Fig. 6 is the function structure chart of the band-type brake coil control device of one embodiment of the invention；
Fig. 7 is that the band-type brake of one embodiment of the invention controls the structural representation of power-supply device；
Fig. 8 is that the band-type brake of another embodiment of the present invention controls the structural representation of power-supply device.
Embodiment
Below in conjunction with the accompanying drawings to the band-type brake coil control circuit of the present invention, method, band-type brake control power-supply device and elevator
Embodiment is explained in detail.The preferred embodiment of the present invention is given in accompanying drawing.But the present invention can be with many
Different form is realized, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is to make pair
The disclosure more thorough and comprehensive.
Elevator in the process of running, the car system of the traction brake of generally use electromagnetic brake mode to elevator
Dynamic, when its general principle is the power motor dead electricity of elevator, synchronously power-off is out of service for traction brake, so as to traction brake
Internal brake shoe embrace with the coaxial mounted brake wheel of the power motor of elevator, brake driving force motor, so as to which lift car stops
Only move.Therefore the braking for the traction brake for passing through electromagnetic brake mode, it can prevent that car is in static or power motor loses
Improper displacement occurs during electricity condition, ensures the safe for operation of elevator.The traction brake inside of electromagnetic brake mode includes
Traction restraining coil namely band-type brake coil, in actual applications, it usually needs power-supply device is controlled to band-type brake coil by band-type brake
Carry out operation control.Traditional band-type brake control power-supply device, usually relies on external high-power safer contact serial chain to embracing
Brake cable circle is forced shutdown, so that band-type brake coil is out of service and the power motor of elevator is braked.
Referring to Fig. 1, embodiments of the invention provide the band-type brake coil control that a kind of operation to band-type brake coil is controlled
Circuit 100 processed, including control unit 12, accessory power supply 14, first switch 16, output detection unit 18 and signal coupling unit
20.Control unit 12 connects accessory power supply 14, first switch 16, output detection unit 18 and signal coupling unit 20 respectively.
First switch 16 connects accessory power supply 14 and the total power supply source 30 powered to band-type brake coil 50.Output detection unit 18 is opened with first
Close the power conversion unit 202 and output rectification unit 204 that band-type brake control power-supply device 200 is connected between 16.Output detection
The series connection band-type brake of unit 18 coil 50.Signal coupling unit 20 connects the band-type brake signal that external control signal is exported to band-type brake coil 50
Unit 40.
Accessory power supply 14 is used to carry out adaptation power supply to control unit 12.Detection unit 18 is exported to be used for exporting rectification list
Member 204 carries out output electrical signal detection.Signal coupling unit 20 is used for the external control signal exported to band-type brake signal element 40
Carry out signal coupling and input control unit 12.Control unit 12 is in the outside control letter for detecting that band-type brake signal element 40 exports
When number invalid and/or output detection unit 18 detects predetermined failure, control first switch 16 turns off total power supply source 30 to band-type brake
The power supply of coil 50.
It is appreciated that band-type brake control power-supply device 200 is generally located between total power supply source 30 and band-type brake coil 50；This
Outside, the operation control process of elevator, generally also to band-type brake power-supply device 200 can be controlled to input outside by band-type brake signal element 40
Control signal, for example, when pressing the destination button for needing to reach when occupant ride elevator, band-type brake signal element 40 is
To one external control signal of synchronous input of band-type brake control power-supply device 200, the external control signal can trigger elevator operation
While trigger band-type brake coil 50 and enter running status, external control signal for example can be the control button that passenger presses elevator
When, elevator controlling mechanism makes the control signal of the synchronous corresponding generation of band-type brake signal element 40, so that band-type brake coil 50 and elevator are same
Step operation.The inside of band-type brake control power-supply device 200 can typically include for carrying out power conversion to the direct current in circuit
Power conversion unit 202 and for current rectification output output rectification unit 204, to ensure that total power supply source 30 passes through band-type brake
Control normal power supply of the power-supply device 200 to band-type brake coil 50.
Wherein, the output electrical signal detection that output detection unit 18 is carried out can be current detecting or voltage
Detection.Predetermined failure can export output current over current fault or undercurrent failure or the output of rectification unit 204
The output voltage over-voltage fault or under-voltage fault of rectification unit 204, it can also be in each node of circuit due to circuit element, circuit
Or short trouble or insulation fault caused by solder joint aging etc..
Specifically, the band-type brake coil control circuit 100 in the above embodiment of the present invention, accessory power supply 14 can be in general
Exported for the accessory power supply of the power supply of control process or with adaptation, the power supply adaptor of logic output function.It is auxiliary
Help power supply 14 to be connected in parallel on the output end of total power supply source 30, control unit 12 is adapted to through overvoltage or the conversion of the adaptation of electric current
It is independently-powered, to meet the control logic needs of control unit 12.Control unit 12 can be MCU chip (single-chip microcomputer) or
Dsp chip (digital signal processor), in this way, the normal operation under the operating voltage of adaptation or operating current of control unit 12
When, excessively stream or undercurrent detection can be carried out to the output current for exporting rectification unit 204 by exporting detection unit 18, obtained defeated
Go out the whether normal status information of output current of rectification unit 204.Meanwhile by signal coupling unit 20 from band-type brake signal list
The external control signal of the coupling input of member 40, control unit 12 may determine that to obtain effective or invalid shape of external control signal
State, so as to which control unit 12 can be when the external control signal for detecting that band-type brake signal element 40 exports be invalid, control first
Switch 16 disconnects, to turn off power supply of total power supply source 30 to band-type brake coil 50.
Control unit 12 can also detect band-type brake signal element 40 export external control signal it is invalid and output inspection
When survey unit 18 detects that the output output current of rectification unit 204 has over current fault, control first switch 16 disconnects, with shut-off
Total power supply of the power supply source 30 to band-type brake coil 50.Control unit 12 can also detect output rectification list in output detection unit 18
When first 204 output currents have over current fault, control first switch 16 disconnects, to turn off total power supply source 30 to band-type brake coil 50
Power supply.
Band-type brake coil control circuit 100 in above-described embodiment, it is true by independently carrying out adaptation power supply in accessory power supply 14
Protect normal operating conditions under, if control unit 12 detect band-type brake signal element 40 export external control signal it is invalid and/or
When output detection unit 18 detects predetermined failure, control first switch disconnects, and realizes the shut-off control of band-type brake coil 50.Such as
This, it is no longer necessary to band-type brake coil 50 is forced shutdown by external high-power safer contact serial chain, automatically controlled
It is more efficient, safe and reliable, and the structure of circuit is simple, and control process noise is low, so as to solve traditional band-type brake coil
The problem of control efficiency is not high is turned off, there is the high effect of control efficiency.
In one embodiment, accessory power supply 14 can also be voltage or current converter, as long as can realize to control
Unit 12 is adapted to independently-powered.
In another embodiment, first switch 16 can be triode, metal-oxide-semiconductor or relay.For example, the
When one switch 16 is metal-oxide-semiconductor, control unit 12 can be by controlling the grid voltage of first switch 16 to realize first switch 16
Shut-off or conducting.First switch 16 can also be controllable silicon, combination switch or other possess the device of switching function, as long as can
Realization turns off power supply of total power supply source 30 to band-type brake coil 50 under the control of a control unit 12.
In another embodiment, it can be current monitoring instrument or voltage monitoring instrument to export detection unit 18.It is defeated
Go out detection unit 18 be, for example, current detecting instrument when, when monitor export 204 output current excessively stream of rectification unit when, to control
Unit 12 feeds back over current fault signal, so as to which control unit 12 can control first switch 16 to disconnect in time.Export detection unit
18 can also be other electrical signal detection instruments, as long as can realize that the electric signal exported to output rectification unit 204 is carried out
Detect to whether there is predetermined failure to the feedback of control unit 12.
In another embodiment, signal coupling unit 20 can be one or more photoelectrical couplers in parallel, in this way,
Signal coupling unit 20 is connected between control unit 12 and band-type brake signal element 40, and signal coupling unit 20 can be in band-type brake
When signal element 40 exports external control signal, by the redundant signals path of photoelectrical coupler composition, obtained using coupling
Take the external control signal of redundancy to be input to control unit 12, control unit 12 is may determine that the effective of external control signal
Property.For example, it may be when not getting external control signal, control unit 12 judges that external control signal is invalid.In another example can
During being that stabilization gets external control signal, control unit 12 judges that external control signal is effective.Control unit 12 can be with
By judging the power of external control signal, to judge the validity of external control signal.In this way, pass through signal coupling unit
20, band-type brake coil control circuit 100 can judge the external control signal that band-type brake signal element 40 exports when elevator is run
Validity, so as to control the power on/off of band-type brake coil 50 according to external control signal, improve control efficiency.
In a wherein embodiment, above-mentioned signal coupling unit 20 also has the function that signal isolation, can be every
From the electric signal between the driver element of band-type brake signal element 40 and band-type brake control power-supply device 200, the string between anti-stop signal
Disturb, so as to improve judgement accuracy of the control unit 12 to the effective status of external control signal.
Referring to Fig. 2, the band-type brake coil control circuit 100 in another embodiment of the present invention, in addition to second switch 22.
Second switch 22 is connected with control unit 12 and total power supply source 30 respectively.First switch 16 passes through second switch 22 and accessory power supply
14 connections.Control unit 12 total power supply source 30 power output abnormality and/or output detection unit 18 detect predetermined failure when,
Control second switch 22 turns off power supply of total power supply source 30 to band-type brake coil 50.
Specifically, control unit 12 can monitor the power supply output situation of total power supply source 30, example by second switch 22
Such as, second switch 22 can be triode, control unit 12 can be flowed through by monitoring second switch 22 size of current whether
More than the current value of permission, the electric current of the permission for example can be the maximum input current that band-type brake power conversion unit 202 is run.
If exceeding, by control gate voltage, control second switch 22 disconnects, to turn off total power supply source 30 to band-type brake coil 50
Power supply.When output detection unit 18 detects predetermined failure, such as there is over current fault in the output output current of rectification unit 204
When, control unit 12 can also control second switch 22 to disconnect, to turn off power supply of total power supply source 30 to band-type brake coil 50.In electricity
In terraced running, if due to elevator externally fed voltage pulsation, the total power supply of power supply source 30 output is caused to occur abnormal and defeated
When going out detection unit 18 and detecting over current fault, control unit 12 can also control second switch 22 to disconnect, and turn off total power supply source
The power supply of 30 pairs of band-type brake coils 50.
By the setting of above-mentioned second switch 22, the control circuit 100 of band-type brake coil 50 in the embodiment of the present invention can be
When power supply output abnormality occurs for outside total power supply source 30, power supply of total power supply source 30 to band-type brake coil 50 is turned off in time, so as to
The reliability of the operation control of band-type brake coil 50 is further lifted, improves the level of security of elevator operation.
In one embodiment, second switch 22 can be triode, metal-oxide-semiconductor or relay, can also be
Controllable silicon, combination switch or other possess the device of switching function, turned off under the control of a control unit 12 as long as can realize
Total power supply of the power supply source 30 to band-type brake coil 50.
In one of the embodiments, first switch 16 and the quantity of second switch 22 can distinguish more than one.First
Between switch 16 and second switch 22 control each circuit node of power-supply device 200 by being separately positioned on band-type brake, Ke Yigeng
Accurately to control power supply of total power supply source 30 to band-type brake coil 50 in time.
In another embodiment, band-type brake coil control circuit 100 can also include input detection unit 24.Input detection
Unit 24 connects the rectifying and wave-filtering of first switch 16, second switch 22, control unit 12 and band-type brake control power-supply device 200 respectively
Unit 206.Input detection unit 24 is used to carry out output electrical signal detection to rectification filtering unit 206.
It is appreciated that in general band-type brake control power-supply device 200 can include rectification filtering unit 206, it is whole will pass through
Flow power supply output of the filter unit 206 to total power supply source 30 and carry out rectifying and wave-filtering, arrived so as to obtain the DC supply input after rectification
In band-type brake control power-supply device 200, internal circuit is set to be worked under conditions of the operating voltage of adaptation or electric current and to embracing
The normal power supply of brake cable circle 50.
It is connected to specifically, band-type brake coil control circuit 100 can include between second switch 22 and first switch 16
Input detection unit 24, the rectifying and wave-filtering list of band-type brake control power-supply device 200 can be detected in time by input detection unit 24
The size of current of the output of member 206.When input detection unit 24 detects the rectification filtering unit of band-type brake control power-supply device 200
When 206 generation output overcurrent failures or insulation fault, control unit 12 can control first switch 16 and second switch 22 first
After disconnect, can also individually control in first switch 16 and second switch 22 any one disconnection, so as to turn off total power supply source
The power supply of 30 pairs of band-type brake coils 50.
Band-type brake coil control circuit 100 can control power supply by the setting of above-mentioned input detection unit 24 in band-type brake
When output overcurrent failure or insulation fault occur for the rectification filtering unit 206 of equipment 200, control in time first switch 16 and/
Or second switch 22 disconnects, so as to turn off power supply of total power supply source 30 to band-type brake coil 50, in this way, can further be lifted
The reliability that operation of the band-type brake coil control circuit 100 to band-type brake coil 50 controls, further improve the safe level of elevator operation
Not.
In one embodiment, input detection unit 24 can be current monitoring instrument or voltage monitoring instrument.Input
It is single to control when monitoring 206 output current excessively stream of rectification filtering unit when detection unit 24 is, for example, current detecting instrument
Member 12 feeds back over current fault signal, so as to which control unit 12 can control second switch 22 and/or first switch 16 disconnected in time
Open.Input detection unit 24 can also be other electrical signal detection instruments, as long as can realize defeated to rectification filtering unit 204
The electric signal gone out is detected to whether there is predetermined failure to the feedback of control unit 12.
Refer to Fig. 1 and Fig. 3, there is provided a kind of band-type brake coil control method, comprise the following steps：
S10, if band-type brake signal element 40 export external control signal effectively and output detection unit 18 be not detected by it is pre-
When determining failure, control first switch 16 turns on.
Wherein, the external control signal that band-type brake signal element 40 exports is effective, can refer to having passenger to need to take electricity
Ladder and when pressing boarding control button, band-type brake signal element 40 inputs external control signal to band-type brake control power-supply device 200, with
Triggering band-type brake coil 50 starts to run simultaneously.When first switch 16 turns on, band-type brake coil 50 is connected total power supply source 30 and started
Operation.
Specifically, after total power supply source 30 starts power supply output, control unit 12 is judging what band-type brake signal element 40 exported
While external control signal is effective, if output detection unit 18 is not detected by predetermined failure, control first switch 16 turns on,
So as to connect total power supply source 30, band-type brake coil 50 is initially powered up running, and the power motor braking of elevator is removed, and elevator enters just
Often operation.It is appreciated that output detection unit 18 can carry out circuitry self test to determine whether predetermined failure, such as open circuit event
Barrier.Control unit 12 can also carry out electric voltage over press or under-voltage detection to circuit, determine whether predetermined failure, corresponding predetermined event
Barrier for example can also be overvoltage or under-voltage fault.
In this way, if control unit 12 is when there is external control signal input simultaneously inside circuit without predetermined failure, control the
One switch 16 switchs to conducting state by off-state, connects the current path that total power supply source 30 arrives band-type brake coil 50, band-type brake coil
50 bring into operation.The operation control of band-type brake coil 50 is safely and fast.Band-type brake coil 50 is controlled to bring into operation by first switch 16,
Noise is low.
S12, under the conducting state of first switch 16, if band-type brake signal element 40 export external control signal it is invalid and/
Or output detection unit 18, when detecting predetermined failure, control first switch 16 turns off.
Wherein, when first switch 16 disconnects, band-type brake coil 50 powers off out of service.
Specifically, control unit 12 in band-type brake coil normal course of operation, is constantly controlled in power-supply device 200 band-type brake
The state of portion's circuit state and external control signal is detected, with the operation of complete monitoring elevator.After first switch 16 turns on,
Band-type brake coil 50 is in running status.If the external control signal that band-type brake signal element 40 exports is invalid or exports detection unit
18 when detecting predetermined failure, and control unit 12 controls first switch 16 to disconnect, band-type brake coil 50 therefore power off it is out of service with
The power motor of elevator is braked.
If the external control signal that band-type brake signal element 40 exports is invalid and output detection unit 18 detects predetermined failure
When, control unit 12 also can control first switch 16 to disconnect, therefore band-type brake coil 50 powers off the power out of service with to elevator
Motor is braked.In this way, first switch 16 is controlled to turn off confession of total power supply source 30 to band-type brake coil 50 by control unit 12
Electricity, what is automatically controlled is more efficient, safe and reliable, and the structure of circuit is simple, and control process noise is low, is passed so as to solve
The problem of band-type brake coil shut-off control efficiency of system is not high, there is the high effect of control efficiency.
Fig. 4 to Fig. 5 is referred to, optionally, in another embodiment, can also be specifically comprising following for step S10
Step：
S101, if the total power supply of power supply source 30 output is normal, and output detection unit 18 or input detection unit 24 do not detect
During to predetermined failure, control second switch 22 postpones the first preset time t1Conducting, the delay second of control first switch 16 are default
Time t2Conducting.
Wherein, Fig. 5 is the state that each object is represented in a manner of low and high level, the state marked such as first switch 16
High level represent conducting, then corresponding low level represents to disconnect, and other each objects similarly understand.The mode of low and high level is only
First switch is controlled according to the state of external control signal, total power supply source 30 and predetermined failure in order to facilitate expression control unit 12
16 and the logical sequence of second switch 22.Rather than the work electricity to the element in circuit such as first switch 16 or second switch 22
It is flat to be defined.Second switch 22 can be with the switch of the same type of first switch 16 or different types of switch,
Two switches 22, which can be used for powering in total power supply source 30, exports the break-make control of side execution circuit.Corresponding first switch 16 can
For exporting the break-make control of side execution circuit in output rectification unit 204.First switch 16 is with second switch 22 in electricity
Position in road can be exchanged, as long as identical function can be realized.First preset time t1With the second preset time t2Can
To be the control logic time of the cooperation decision of first switch 16 and second switch 22 in circuit, can be used for each in control circuit
The work-based logic of unit.First preset time t1The specific part category or control logic selected generally according to second switch 22
Need to be selected.Second preset time t2The specific part category or the need of control logic selected generally according to first switch 16
Selected.
Specifically, if the power supply output of total power supply source 30 is normal, and exports detection unit 18 and be not detected by output rectification
When there is predetermined failure in side or input detection unit 24 is not detected by power supply output side and predetermined failure be present, control unit
12 can control second switch 22 to postpone the first preset time t1After turn on, and then when controlling the delay of first switch 16 second default
Between t2Conducting, in this way, can be after supply input, process is connected in the power supply of gradual control band-type brake coil 50, controls safer height
Effect.
Further, in another embodiment, for step S12, can also specifically comprise the steps of：
S120, band-type brake signal element 40 export external control signal it is invalid and/or output detection unit 18 or input
When detection unit 24 detects predetermined failure, control first switch 16 postpones the 3rd preset time t3Shut-off, control second switch
22 the 4th preset time ts of delay4Shut-off.
Wherein, the 3rd preset time t3The specific part category or control logic that can be generally selected according to first switch 16
Needs selected.4th preset time t4The specific part category or control that can be generally selected according to second switch 22 are patrolled
The needs collected are selected.
Specifically, control unit 12 can detect band-type brake signal element 40 export external control signal it is invalid when,
First switch 16 is controlled to postpone the 3rd preset time t3Shut-off, control second switch 22 postpone the 4th preset time t4Shut-off.Control
Unit 12 can also be when judging that output detection unit 18 or input detection unit 24 detect predetermined failure, and control first is opened
Close 16 the 3rd preset time ts of delay3Shut-off, control second switch 22 postpone the 4th preset time t4Shut-off.Control unit 12 may be used also
To detect that the external control signal that band-type brake signal element 40 exports is invalid, also, export detection unit 18 or input inspection
When survey unit 24 detects predetermined failure, control first switch 16 postpones the 3rd preset time t3Shut-off, control second switch 22
Postpone the 4th preset time t4Shut-off.In this way, can in the running of band-type brake coil 50, as long as external control signal it is invalid or
When predetermined failure occurs in person, first switch 16 and second switch 22 are turned off step by step, so as to safely and reliably turn off total power supply source 30
Power supply to band-type brake coil 50.The process stabilization of shut-off control is reliable and noise is relatively low.
In another embodiment, after step S12, step can also be included：
S122, if the external control signal of the output of band-type brake signal element 40 is effective and output detection unit 18 or input detect
When unit 24 is not detected by predetermined failure, control second switch 22 postpones the 5th preset time t5Conducting, control first switch 16
Postpone the second preset time t2Conducting.
Wherein, the 5th preset time t5The specific part category or control that can be generally also selected according to second switch 22 are patrolled
The needs collected are selected.
Specifically, control unit 12 is after first switch 16 and the last time of second switch 22 are turned off, if band-type brake signal
The external control signal that unit 40 exports is effectively and output detection unit 18 or input detection unit 24 are not detected by predetermined failure,
Then second switch 22 is controlled to postpone the 5th preset time t5Conducting, control first switch 16 postpone the second preset time t2Conducting.Such as
This, effectively and after predetermined failure elimination, can recover first switch 16 and second switch 22 step by step automatically in external control signal
Conducting, band-type brake coil 50 is powered and run.Automatically the control efficiency resumed operation is high, and control process is steadily reliable.
In another embodiment, if the external control signal of the output of band-type brake signal element 40 in above-described embodiment is effective
And output detection unit 18 or input detection unit 24, when being not detected by predetermined failure, the delay the 5th of control second switch 22 is default
Time t5Conducting, control first switch 16 postpone the second preset time t2After the step of conducting, step can also be included：
S124, in the state of first switch 16 and second switch 22 turn on, if the outside that band-type brake signal element 40 exports
When control signal is invalid, control first switch 16 postpones the shut-off of the 6th preset time；After first switch 16 turns off, if band-type brake signal
When the external control signal that unit 40 exports is effectively and second switch 22 is in the conduction state, control first switch 16 delay the 7th
Preset time turns on.
Wherein, the 6th preset time t6The specific part category or control that can be generally also selected according to first switch 16 are patrolled
The needs collected are selected.7th preset time t7The specific part category or control that can also be selected according to first switch 16 are patrolled
The needs collected are selected.As long as the setting of the preset time above and in above-described embodiment can realize efficient logic control
Effect.
Specifically, in the state of first switch 16 and second switch 22 turn on, the invalid process of external control signal, example
Such as can be that elevator reaches destination and needs to stop, during clearance passenger, external control signal can stop control with elevator and turn
For disarmed state；When external control signal is invalid, control unit 12 controls first switch 16 to postpone the shut-off of the 6th preset time, this
When band-type brake coil 50 power off out of service and the power motor of elevator braked.
S126, after the shut-off of first switch 16, control unit 12 judges the outside control letter of the output of band-type brake signal element 40
Number effectively and second switch 22 it is in the conduction state, namely external control signal switch to again effectively and without predetermined failure occur
When, control unit 12 controls first switch 16 to postpone the conducting of the 7th preset time.
So, it is possible to achieve automatically shut down and be powered recovery control of the band-type brake coil 50 during elevator normal load passenger traffic row
System, control process is reliable and steady, and noise is low, is experienced beneficial to the boarding for improving passenger.
Referring to Fig. 6, in one embodiment, there is provided a kind of band-type brake coil control device 500, including conducting control module
501 and shut-off control module 502.If the external control signal for turning on control module 501 for the output of band-type brake signal element is effective
And output detection unit is when being not detected by predetermined failure, control first switch conducting；Wherein, when first switch turns on, band-type brake line
Circle is connected total power supply source and brought into operation.Turn off control module 502 to be used under first switch conducting state, if band-type brake signal list
When the external control signal of member output is effectively and output detection unit detects predetermined failure, control first switch shut-off；Wherein,
When first switch disconnects, band-type brake coil blackout is out of service.
The band-type brake coil control device 500 of the present embodiment passes through above-mentioned conducting control module 501 and shut-off control module
502, control first switch to turn on and off power supply of total power supply source to band-type brake coil respectively, more efficient, the peace automatically controlled
It is complete reliable, and the structure of circuit is simple, and control process noise is low, and control efficiency is turned off so as to solve traditional band-type brake coil
The problem of not high, there is the high effect of control efficiency.
In another embodiment, the conducting control module 501 of band-type brake coil control device 500 and shut-off control module 502
The step of can be also used for performing the turn-on and turn-off control of the first switch 16 and second switch 22 in above-described embodiment.
Referring to Fig. 7, in one embodiment, there is provided a kind of band-type brake controls power-supply device 200, including power conversion unit
202nd, the band-type brake coil control circuit 100 in rectification unit 204 and above-described embodiment is exported.
It is appreciated that in general band-type brake control power-supply device 200 generally also includes rectification filtering unit 206, driving list
Member 208.Total power supply source 30, the power conversion unit 202 and first with being powered to band-type brake coil 50 respectively of rectification filtering unit 206
The connection of switch 16.Driver element 208 is examined with power conversion unit 202, band-type brake coil 50, band-type brake signal element 40, output respectively
Survey unit 18 and control unit 12 connects.
Specifically, band-type brake control power-supply device 200 is typically the equipment that control is powered to band-type brake coil 50.Supplied always
Electric on power supply 30, when being powered to band-type brake coil 50, band-type brake controls power-supply device 200 by rectification filtering unit 206 to total
The alternating current that power supply source 30 inputs carries out rectifying and wave-filtering, obtains direct current electricity output.Power conversion unit 202 is to rectification filtering unit
The direct currents of 206 outputs carry out power conversions, export it is that driven moving cell 208 and band-type brake signal element 40 control, be adapted to band-type brake
The driving current of coil working.Driver element 208 is embraced generally according to the external control signal driving that band-type brake signal element 40 exports
Brake cable circle 50 works.Band-type brake coil control circuit 100 detects band-type brake signal in band-type brake controls the course of work of power-supply device 200
The malfunction of effective status and band-type brake the control internal circuit of power-supply device 200 for the external control signal that unit 40 exports, and
The shut-off and energization of control band-type brake coil 50 in time.
In this way, the knot of the band-type brake control power-supply device 200 for the band-type brake coil control circuit 100 being built-in with above-described embodiment
Structure obtains larger simplification, volume significantly reduces, more efficient and control process the noise of control of running band-type brake coil 50
It is lower.
In one of the embodiments, rectification filtering unit 206 can be conventional current rectifying and wave filtering circuit or its
He has the circuit or device of rectifying and wave-filtering output function, as long as can realize that rectifying and wave-filtering exports.
In another embodiment, power conversion unit 202 can be the amplifier circuit for power conversion, can also
It is that other possess the circuit structure or device of power translation function, as long as can realize what band-type brake control power-supply device 200 needed
Power conversion output.
In another embodiment, driver element 208 can be common motor driver, such as stepper motor driver,
Can also be the circuit or device that other can drive band-type brake coil 50 to work.
Referring to Fig. 8, in another embodiment, band-type brake control power-supply device 200 can also include buffer cell 209.
Buffer cell 209 connects output rectification unit 204, output detection unit 18 and band-type brake coil 50 respectively.Buffer cell 209 is used for
Output rectification unit 204 is discharged.
Optionally, buffer cell 209 can be the RCD buffer circuits that resistance, electric capacity and diode are formed, by exporting
Rectification unit 204 exports side one or more buffer cell 209 in parallel, can utilize the discharge process of buffer cell 209
The rapid output voltage for reducing output rectification unit 204, namely band-type brake coil 50 input the voltage of side, so as to accelerate band-type brake line
The turn-off speed of circle 50.In this way, band-type brake control power-supply device 200 can realize that higher band-type brake coil 50 turns off efficiency.
In one embodiment, the connection in above-described embodiment can be electrical connection or communication connection.
In one of the embodiments, also provide in a kind of elevator, including car, band-type brake coil 50 and above-described embodiment
Band-type brake controls power-supply device 200.
It is appreciated that power motor supporting installing of the band-type brake coil 50 typically with elevator, power motor draw wirerope by dragging
Connect the car in hoistway, and band-type brake control power-supply device 200 be then connected to total power supply source 30 of elevator and band-type brake coil 50 it
Between.When the elevator is run, band-type brake control power-supply device 200 is turned off or power control to band-type brake coil 50, makes band-type brake coil
Braking is braked or cancelled to 50 pairs of power motors, so as to realize the braking of car and clearance.
Using the elevator of the band-type brake control power-supply device 200 in above-described embodiment, operation is safer, and braking is more steady, peace
Complete and noise is low.
In an optional embodiment, the elevator in above-described embodiment can be in general carrying vertical lift, also may be used
To be shipping vertical lift, the industrial elevator that construction site, factory building use can also be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (15)
1. a kind of band-type brake coil control circuit, it is characterised in that including control unit, accessory power supply, first switch, output detection
Unit and signal coupling unit, described control unit connect the accessory power supply, the first switch, the output detection respectively
Unit and the signal coupling unit, the first switch connect the accessory power supply and total power supply to band-type brake coil power supply
Source；The band-type brake control power conversion unit of power-supply device and defeated is connected between the output detection unit and the first switch
Go out rectification unit, the output detection unit series connection band-type brake coil, the signal coupling unit connection is to the band-type brake line
The band-type brake signal element of circle output external control signal；
The accessory power supply is used to carry out described control unit adaptation power supply, and the output detection unit is used for the rectification
Output unit carries out output electrical signal detection, and the signal coupling unit is used to control the outside of band-type brake signal element output
Signal processed carries out signal coupling and inputs described control unit；Described control unit is detecting the band-type brake signal element output
External control signal it is invalid and/or the output detection unit is when detecting predetermined failure, control the first switch to turn off
The total power supply of the power supply source to the band-type brake coil.
2. band-type brake coil control circuit according to claim 1, it is characterised in that also including second switch, described second
Switch is connected with described control unit and total power supply source respectively, the first switch by the second switch with it is described auxiliary
Power supply is helped to connect, described control unit detects in total power supply source power supply output abnormality and/or the output detection unit
During predetermined failure, the second switch shut-off total power supply of the power supply source to the band-type brake coil is controlled.
3. band-type brake coil control circuit according to claim 2, it is characterised in that described also including input detection unit
Input detection unit connects the first switch, the second switch, described control unit and band-type brake control power supply respectively
The rectification filtering unit of equipment, the input detection unit are used to carry out output electrical signal detection to the rectification filtering unit.
4. the band-type brake coil control circuit according to any one of claims 1 to 3, it is characterised in that the first switch is
Any of relay, metal-oxide-semiconductor, triode, controllable silicon and combination switch.
5. the band-type brake coil control circuit according to Claims 2 or 3, it is characterised in that the second switch be relay,
Any of metal-oxide-semiconductor, triode, controllable silicon and combination switch.
6. band-type brake coil control circuit according to claim 1, it is characterised in that the signal coupling unit includes photoelectricity
Coupler.
7. a kind of band-type brake coil control method of band-type brake coil control circuit as described in any one of claim 1 to 6, its feature
It is, including step：
If the external control signal of band-type brake signal element output is effectively and output detection unit is not detected by predetermined failure, control
The first switch conducting；Wherein, during the first switch conducting, the band-type brake coil is connected total power supply source and brought into operation；
Under the first switch conducting state, if band-type brake signal element output external control signal is invalid and/or institute
Output detection unit is stated when detecting predetermined failure, controls the first switch to turn off；Wherein, when the first switch disconnects,
The band-type brake coil blackout is out of service.
8. band-type brake coil control method according to claim 7, it is characterised in that if the outside of band-type brake signal element output
Control signal is effectively and output detection unit is when being not detected by predetermined failure, the step of controlling the first switch to turn on, including：
If total power supply source power supply output is normal, and the output detection unit or the input detection unit be not detected by it is pre-
When determining failure, the second switch is controlled to postpone the conducting of the first preset time, when controlling the first switch delay second default
Between turn on.
9. band-type brake coil control method according to claim 7, it is characterised in that in the first switch conducting state
Under, if the external control signal of band-type brake signal element output is invalid and/or the output detection unit detect it is predetermined therefore
During barrier, the step of controlling the first switch to turn off, including：
If the external control signal of band-type brake signal element output is invalid and/or the output detection unit or input
When detection unit detects predetermined failure, the first switch is controlled to postpone the shut-off of the 3rd preset time, control described second is opened
Close delay the 4th preset time shut-off.
10. band-type brake coil control method according to claim 9, it is characterised in that in the first switch conducting state
Under, if the external control signal of band-type brake signal element output is invalid and/or the output detection unit detect it is predetermined therefore
During barrier, after the step of controlling the first switch to turn off, in addition to：
If the external control signal of the band-type brake signal element output is effective and the output detection unit or the input detect
When unit is not detected by predetermined failure, controls the second switch to postpone the conducting of the 5th preset time, control the first switch
Postpone the conducting of the second preset time.
11. band-type brake coil control method according to claim 10, it is characterised in that if the band-type brake signal element exports
External control signal it is effective and the output detection unit or the input detection unit are when being not detected by predetermined failure, control
The second switch postpones the conducting of the 5th preset time, after controlling the first switch to postpone the second preset time conducting step,
Also include：
In the state of the first switch and second switch conducting, if the outside control of band-type brake signal element output
During invalidating signal, the first switch is controlled to postpone the shut-off of the 6th preset time；
After first switch shut-off, if the external control signal of band-type brake signal element output is effective and the second switch
When in the conduction state, the first switch is controlled to postpone the conducting of the 7th preset time.
A kind of 12. band-type brake coil control device, it is characterised in that including：
Control module is turned on, if the external control signal for the output of band-type brake signal element is effective and output detection unit does not detect
During to predetermined failure, the first switch is controlled to turn on；Wherein, during the first switch conducting, the band-type brake coil is connected total
Power supply source simultaneously brings into operation；
Control module is turned off, under the first switch conducting state, if the outside control of band-type brake signal element output
Signal processed is effective and the output detection unit is when detecting predetermined failure, controls the first switch to turn off；Wherein, described
One when switching off, and the band-type brake coil blackout is out of service.
13. a kind of band-type brake controls power-supply device, it is characterised in that including power conversion unit, output rectification unit and such as right
It is required that the band-type brake coil control circuit described in 1 to 6 any one.
14. band-type brake according to claim 13 controls power-supply device, it is characterised in that described slow also including buffer cell
Rush unit and connect output rectification unit, the output detection unit and the band-type brake coil respectively, the buffer cell is used
Discharged in the output rectification unit.
15. a kind of elevator, it is characterised in that including car, band-type brake coil and the band-type brake control as described in claim 13 or 14
Power-supply device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711167242.XA CN107840219A (en) | 2017-11-21 | 2017-11-21 | Band-type brake coil control circuit, method, band-type brake control power-supply device and elevator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711167242.XA CN107840219A (en) | 2017-11-21 | 2017-11-21 | Band-type brake coil control circuit, method, band-type brake control power-supply device and elevator |
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| Publication Number | Publication Date |
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| CN107840219A true CN107840219A (en) | 2018-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711167242.XA Pending CN107840219A (en) | 2017-11-21 | 2017-11-21 | Band-type brake coil control circuit, method, band-type brake control power-supply device and elevator |
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| CN108773786A (en) * | 2018-06-04 | 2018-11-09 | 菱王电梯股份有限公司 | Elevator brake Power Supply breaking system |
| CN108821044A (en) * | 2018-05-30 | 2018-11-16 | 苏州汇川技术有限公司 | Band-type brake control circuit and elevator device |
| CN109264517A (en) * | 2018-11-20 | 2019-01-25 | 日立楼宇技术（广州）有限公司 | A kind of brake controller of elevator and method |
| CN109399484A (en) * | 2018-11-20 | 2019-03-01 | 日立楼宇技术（广州）有限公司 | A kind of brake control and method |
| CN109534111A (en) * | 2018-11-20 | 2019-03-29 | 日立楼宇技术（广州）有限公司 | A kind of elevator safety control system and method |
| CN110928179A (en) * | 2019-12-12 | 2020-03-27 | 深圳市英威腾电气股份有限公司 | Control system and method for safe band-type brake of frequency converter |
| CN111900897A (en) * | 2020-07-03 | 2020-11-06 | 广东博智林机器人有限公司 | Band-type brake circuit, servo driver and detection method of band-type brake circuit |
| CN114148854A (en) * | 2021-12-08 | 2022-03-08 | 武汉捷能自动化技术有限公司 | Elevator brake detection method and system |
| CN114275640A (en) * | 2021-12-30 | 2022-04-05 | 苏州汇川控制技术有限公司 | Elevator controller and elevator |
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| CN108821044A (en) * | 2018-05-30 | 2018-11-16 | 苏州汇川技术有限公司 | Band-type brake control circuit and elevator device |
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| CN110928179B (en) * | 2019-12-12 | 2023-10-20 | 深圳市英威腾电气股份有限公司 | Control system and method for safety band-type brake of frequency converter |
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| CN114148854A (en) * | 2021-12-08 | 2022-03-08 | 武汉捷能自动化技术有限公司 | Elevator brake detection method and system |
| CN114275640A (en) * | 2021-12-30 | 2022-04-05 | 苏州汇川控制技术有限公司 | Elevator controller and elevator |
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