CN105967035B - Passenger conveying appliance and its control method - Google Patents
Passenger conveying appliance and its control method Download PDFInfo
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- CN105967035B CN105967035B CN201610115285.2A CN201610115285A CN105967035B CN 105967035 B CN105967035 B CN 105967035B CN 201610115285 A CN201610115285 A CN 201610115285A CN 105967035 B CN105967035 B CN 105967035B
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- Prior art keywords
- deceleration
- converter
- power failure
- control circuit
- power
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B25/00—Control of escalators or moving walkways
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Escalators And Moving Walkways (AREA)
- Control Of Ac Motors In General (AREA)
- Stopping Of Electric Motors (AREA)
- Inverter Devices (AREA)
Abstract
The passenger conveying appliance and its control method of the present invention is realized to slow down when having a power failure using the regenerated electric power of DC-to-AC converter to be stopped.Control circuit (11) is when detecting that AC power (6) has a power failure, DC-to-AC converter (7) can be made to be disconnected from regeneration resistance (13) and the control circuit (11) is connected to by sending switching signal to switching switch (12).Then, circuit (11) is controlled based on the inverter load information obtained from DC-to-AC converter, determine the regulation deceleration for being used for making DC-to-AC converter produce regenerated electric power, and export deceleration instruction to DC-to-AC converter, the regenerated electric power produced by speed-down action corresponding with deceleration instruction in DC-to-AC converter is used as control power supply, motor (3) is slowed down and stops.
Description
Technical field
The present invention relates to a kind of passenger conveying appliance and its control method.
Background technology
Known to have a kind of technology, it is when having a power failure, using in smoothing capacity device of the savings in DC-to-AC converter
DC voltage, is braked (patent document 1) to motor.Prior art according to described in the document, works as three-phase alternating current
When pressure disconnects more than the stipulated time because of reasons such as power failures, it can use DC voltage of the savings in smoothing capacity device, continue
Control circuit in operated inverter device, and enter to exercise action that motor rotates freely or to carry out motor straight
The action of any one in stream braking or regenerative braking.It is to utilize savings motor is carried out DC injection braking or the action of regenerative braking
What the DC voltage in smoothing capacity device was carried out.
Prior art literature
Patent document
【Patent document 1】Japanese Patent Laid-Open 2005-219914 publications
The disclosure of invention
The technical problems to be solved by the invention
Prior art according to described in patent document 1, it is merely with the Electric control electricity put aside in smoothing capacity device
The rotation of motivation, thus have a power failure when be also difficult to slow down stop function, the deceleration stop function referring to prevent passenger
Fall down and make the rotational deceleration of motor while the function of stopping.Because the capacity of smoothing capacity device is typically small, therefore
It is not suitable for slowing down while stopping the longer power supply of this control required time.If capacity can be set to be more than smooth electricity
The battery of container, then can also realize that deceleration stops function when having a power failure, but now the volume of whole device can increase, and
Manufacturing cost can also increase.
The present invention is in view of the exploitation of above-mentioned problem is formed, and its object is to provide a kind of inverter can be used to fill when having a power failure
The regenerated electric power put, which is realized to slow down, to be stopped, and can be suppressed manufacturing cost and be improved passenger conveying appliance and its control of security
Method processed.
Solve the technical scheme that technical problem is used
For the above-mentioned problem of solution, passenger conveying appliance involved in the present invention, it carries out speed change using by DC-to-AC converter
The motor of driving, makes to connect the step loopy moving to be formed in endless, it has：Circuit is controlled, it controls inverter dress
Put；Resistance is regenerated, the regenerated electric power produced in DC-to-AC converter is converted to heat energy by it；And switching switch, it is arranged on inverse
Become between device device, control circuit and regeneration resistance, according to the switching signal from control circuit, connect DC-to-AC converter
To any one of regeneration resistance or control circuit, the AC power that control electric circuit inspection supplies alternating current to DC-to-AC converter has
Without having a power failure, when detecting to have a power failure, switching signal is sent to switching switch, DC-to-AC converter is disconnected simultaneously with regeneration resistance
The control circuit is connected to, based on the inverter load information obtained from DC-to-AC converter, determines to be used for producing DC-to-AC converter
The regulation deceleration of raw regenerated electric power, and will be exported for the deceleration instruction to DC-to-AC converter instruction regulation deceleration to inversion
Device device, is used as control electricity consumption by the regenerated electric power produced by speed-down action corresponding with deceleration instruction in DC-to-AC converter
Source, stops motor deceleration.
Invention effect
According to the present invention, by producing regenerated electric power from DC-to-AC converter when having a power failure, and the regenerated electric power is used as
Control power supply, can stop motor deceleration.
Brief description of the drawings
Fig. 1 is the schematic configuration diagram of escalator.
Fig. 2 is the circuit diagram of the supply unit of escalator.
Fig. 3 is the block diagram of the control circuit of supply unit.
Fig. 4 is the explanation figure for comparing the difference for showing pre-prepd multiple deceleration.
Fig. 5 is to represent that common slow down stops the flow chart of processing.
Fig. 6 is that deceleration when representing to decline operating stops the flow chart handling.
Fig. 7 is that deceleration when representing to rise operating stops the flow chart handling.
Embodiment
Hereinafter, based on illustrating embodiments of the present invention.The passenger conveying appliance of present embodiment is escalator
When, as shown in figure 1, consisting of, multiple steps 1 are connected in endless, and utilize the motor 3 being connected with supply unit 5
Each step 1 is set to carry out rising or falling operating.Supply unit 5 is as shown in Fig. 2 have：Current transformer 8, it will come from three-phase alternating current
The exchange of power supply 6 is converted to direct current；Smoothing capacity device 9, makes the DC voltage through the conversion of current transformer 8 smoothened；Inverter 10,
It is converted to DC voltage in the alternating current with assigned voltage and assigned frequency；And control circuit 11, it is by control signal
Send to inverter 10.Regeneration resistance 13 is connected to by the passenger conveying appliance of present embodiment via power change-over switch 12
The input side of inverter 10.
Circuit 11 is controlled as shown in figure 3, it has：Power change-over switch opening/closing portion 16, it is when detecting to have a power failure to electricity
Source switching switch 12 implements switching control to disconnect regeneration resistance 13, and control circuit 11 is connected into the side of inverter 10；And
Deceleration instruction selector 17, according to inverter load information, there is provided the deceleration as reproduced state for it.Therefore, according to this reality
The passenger conveying appliance involved by mode is applied, can be when having a power failure without using direct current of the savings in smoothing capacity device 9
Pressure, but the regenerated electric power produced by the speed-down action as reproduced state is used, realize stopping of slowing down.
【Embodiment 1】
Using Fig. 1 to Fig. 7, illustrate the 1st embodiment.In the present embodiment, enumerate escalator and enter as passenger conveying appliance
Row explanation.Fig. 1 is the schematic configuration diagram of escalator.
Escalator is configured to have：Multiple steps 1, it is connected in endless；Handrail 2, it is connected into and these steps 1
Synchronizing moving；Drive mechanism 4, it has the motor 3 for applying driving force to step 1 and handrail 2；And powered to motor 3
Supply unit 5 etc..
Fig. 2 shows the circuit structure of the supply unit 5 of the escalator shown in Fig. 1.Three as " AC power " intersect
Flow on power supply 6, via the inverter unit 7 as " DC-to-AC converter ", be connected to the motor 3 shown in Fig. 1.Hereinafter, by electricity
Motivation 3 is referred to as motor 3.
Inverter unit 7 has：Current transformer 8, three-phase alternating current is converted to direct current by it；Smoothing capacity device 9, it makes through unsteady flow
The DC voltage that device 8 is changed is smoothened；And inverter 10, it is converted to DC voltage with assigned voltage and regulation frequency
The alternating current of rate.
The control circuit 11 of control supply unit 5 is connected to three-phase alternating-current supply 6.Circuit 11 is controlled to inverter unit 7
Send control signal described later.In the input side of inverter 10, connected via the power change-over switch 12 as " switching is switched "
Regeneration resistance 13.Power change-over switch 12 is acted according to the switching signal sent from control circuit 11, by inverter 10
Input side be connected to regeneration resistance 13 or control any one of circuit 11.
Send to the control signal of inverter unit 7, for example, have from the output regulation frequency of inverter 10 as control circuit 11
The operation instruction of rate and assigned voltage, the stop instruction and Acceleration Control instruction etc. for the output of inverter 10 is stopped.Plus
Contain the deceleration instruction for being used for carry out deceleration operating with defined deceleration in rate control instruction.
Control circuit 11, which monitors AC power 6 and whether there is, to have a power failure.Circuit 11 is controlled after power failure is detected, can be to electricity
Switching 12 output switching signals of switch in source simultaneously switch over it.Specifically, control circuit 11 can switch in usual operating
Power change-over switch 9, makes regeneration resistance 13 be connected to the input side of inverter 10 via smoothing capacity device 9.On the other hand, in inspection
When measuring power failure, then can Switching power switching switch 12, disconnect the input side of regeneration resistance 13 and inverter 10, and will control
Circuit 11 is connected to the input side of inverter 10 via smoothing capacity device 9.
By using the rotation of the controlled motor 3 of inverter 10, it can realize that so-called soft stop stops function (safety stop function).
Function is stopped according to soft stop, when detecting that foreign matter is caught in etc. abnormal, can be made by inverter speed-down action with less deceleration
Motor 3 stops.Therefore, it is possible to prevent passenger from falling down.
But, stop function using the existing soft stop of inverter 10 and be difficult to run when having a power failure.Because when having a power failure
Power supply will not be supplied to inverter 10.Therefore, according to prior art, motor can suddenly be stopped by brake during power failure
Only.Circuit 11 is controlled in order to solve following constitute in the problem, the escalator of the present embodiment.
Fig. 3 is the mount structure figure for controlling circuit 11.Control circuit 11 can be configured to, except for generally operating escalator
Typically comprise beyond, also with such as input unit 14, power failure test section 15, power change-over switch opening/closing portion 16, deceleration instruction
Selector 17, output section 18, storage part 19 and control unit 20.
Input unit 14 has the function of reading failure detection signal and passenger load rate calculating signal.Failure detection signal energy
Enough generated according to current value and magnitude of voltage such as three-phase alternating-current supply 6.Born as the passenger of " inverter load information "
Load rate calculates signal and can obtained from inverter unit 7.
The function of power failure test section 15 is, according to the failure detection signal obtained by input unit 14, detects three-phase alternating current
The power down mode of power supply 6.Function as the power change-over switch opening/closing portion 16 of " switching controlling part " is, when power failure test section 15
When detecting to have a power failure, Switching power switching switch 12 makes the input side of inverter 10 be connected with control circuit 11.
Function as the deceleration instruction selector 17 of " deceleration instruction generating unit " is, when power failure test section 15 detects to stop
When electric, signal is calculated according to the passenger load rate obtained by input unit 14, determines that inverter 10 turns into the regulation of reproduced state
Deceleration, will be exported to inverter 10 for the deceleration instruction acted with the deceleration determined.In the present embodiment, constitute
From pre-prepd multiple deceleration, to calculate signal according to passenger load rate and rotation direction selecting a deceleration.Cause
This, is referred to as deceleration instruction selector 17.Also may replace and consist of, based on defined calculating formula, every time by computing come
Trying to achieve inverter 10 turns into the deceleration of reproduced state.
The function of output section 18 is to export the switching signal from power change-over switch opening/closing portion 16 to power supply switching and open
12 are closed, and the deceleration instruction from deceleration instruction selector 17 is exported to inverter 10.
The function of storage part 19 is that storage is used for realizing the computer journey that deceleration when in the present embodiment having a power failure stops processing
The control parameter such as sequence and deceleration.The function of control unit 20 is that control controls the action of circuit 11.
The figure for mutually different multiple deceleration that Fig. 4 is used when being and illustrating to slow down stopping.The longitudinal axis in figure represents automatic
Transverse axis in the speed (rotating speed of motor 3) of staircase, figure represents the time.
Assuming that during being started running from escalator to moment t0, escalator is operated with usual speed Vs.Herein
When the moment, t0 had a power failure, the rotation direction of signal and escalator can be calculated based on passenger load rate, from pre-prepd
Some deceleration is selected in multiple deceleration θ s, θ h.
It can be chosen as the standard deceleration θ s of " the 1st deceleration " in the case of 3 kinds.1st kind of situation refers to do not sending out
To make the situation that escalator stops during the usual operating of raw power failure.In the case of the 1st kind, without inverter 10 is positively utilized
Regenerated electric power, as long as therefore can prevent passenger from falling down.2nd kind of situation refers to when escalator decline operating
Situation about being had a power failure.In the case of 2nd kind, the regenerated electric power from inverter 10 can be used as control power supply, made automatic
Staircase, which slows down, to be stopped.3rd kind of situation refers to that escalator calculates the load condition that signal is less than defined threshold in passenger load rate
It is lower to carry out rising situation about during operating being had a power failure.In the case of 3rd kind, the regenerated electric power from inverter 10 can be also used as
Control power supply, makes escalator slow down and stops.When the escalator is slowed down with standard deceleration θ s, occurring the moment from having a power failure
T0 is by such as 1,2 seconds or so at the time of t2, escalator stops, and speed is changed into 0.
Standard deceleration θ s value is set greater than as the high deceleration θ h of " the 2nd deceleration ".Multiplying in escalator
In the case that objective load factor calculates signal to there occurs power failure when carrying out under load condition more than defined threshold and rise operating, meeting
Select high deceleration θ h.If making escalator slow down with high deceleration θ h, occurring moment t0 by such as 1 second from having a power failure
T1 (t1 ＜ t2) at the time of left and right, escalator stops, and speed is changed into 0.High deceleration θ h are set as, even in high capacity
Rising operating when also can by the regenerated electric power from inverter 10 be used as control power supply.Although high deceleration θ h value is got over
Greatly, then the regenerated electric power from inverter 10 is bigger, but passenger situation about being not steady on one's legs may occur in braking.Therefore, it is high
Deceleration θ h value be configured to can in the range of passenger will not fall down obtain be used for realize soft stop stop function needed for regeneration
Electric power.
In other words, when stopping the inverter 10 in continuously running, if specifying deceleration (deceleration time) slowly to reduce
Frequency and voltage, then motor 3 can play a part of generator because of inertia force, and regeneration electricity occur in the input side of inverter 10
Power.In the present embodiment, the regenerated electric power is used as to make the power supply that control circuit 11 is acted.
Fig. 5 is to represent that common slow down stops the flow chart of processing.Common slow down stops processing suitable for declining fortune
Turn and rise operating.
Control circuit 11 monitors whether the shutdown condition for making escalator shut down is set up (S1).It is used as operating
Stop condition, for example, can enumerate manager and press the situation for the shutdown switch being arranged near escalator and because foreign matter is caught in
Deng and run the situation of emergency braking device.(S1 when shutdown condition is set up：It is), control circuit 11 can be defeated to inverter 10
Go out deceleration instruction (S2), and the rotating speed of motor 3 is reduced with defined deceleration θ s, escalator is shut down (S3).
Fig. 6 is that deceleration when representing to have a power failure in the decline operating of escalator stops the flow chart handling.
The power failure test section 15 of control circuit 11 is whether there is based on the power failure detection obtained by input unit 14 with signal monitoring
Generation has a power failure (S11).Power failure test section 15 detects after power down mode (S11：It is), it can be sent out to power change-over switch opening/closing portion 16
Send failure detection signal.
The power change-over switch opening/closing portion 16 of failure detection signal is received so that switching signal is from output section 18 to power supply
Switching switch 12 is exported.Receiving the power change-over switch 12 of the switching signal makes regeneration resistance 13 from the input side of inverter 10
Disconnect (S12), and circuit 11 will be controlled to be connected to the input side (S13) of inverter 10.
Power failure test section 15 can also send failure detection signal to deceleration instruction selector 17.Receive power failure detection letter
Number deceleration instruction selector 17 can from output section 18 to inverter 10 output be used to refer to be slowed down with standard deceleration θ s
The deceleration instruction signal (S14) of stopping.Herein, standard deceleration θ s can be turned into again based on general inverter load set
The numerical value of raw state, even if therefore also being resulted in directly using pre-prepd numerical value when having a power failure in declining operating
Regenerated electric power.Alternatively, it is also possible to based on the inverter load information amendment initial value θ s before power failure, and use the correction value.
Regenerated electric power is produced by the speed-down action of inverter 10, and the regenerated electric power is used as control circuit 11 and acts use
Control power supply (S15).Therefore, when having a power failure, escalator can be also made to be slowed down simultaneously with standard deceleration θ s
Stop, and be able to ensure that the safety of passenger.
Fig. 7 is to represent that deceleration of the escalator when having a power failure in rising operating stops the flow chart of processing.
Control the power failure test section 15 of circuit 11 based on the power failure detection signal obtained from input unit 14, monitor and whether there is
Generation has a power failure (S21).Detect (S21 after having a power failure：It is), power change-over switch opening/closing portion 16 can operation power switching switch
12, regeneration resistance 13 is disconnected (S22) from the input side of inverter 10, and by the input for controlling circuit 11 to be connected to inverter 10
Side (S23).
Inverter 10 can calculate passenger load rate, and passenger load rate is calculated into signal output to control circuit 11.Control
Circuit 11 can obtain passenger load rate from inverter 10 via input unit 14 and calculate signal (S24).
Control the deceleration instruction selector 17 of circuit 11 can be according to passenger load rate, regenerated electric power is used as control and used by selection
Required deceleration (S25) during power supply.Herein, the passenger load rate of inverter 10 is stored in deceleration instruction selector 17 in advance
With the standard deceleration θ s corresponding to the passenger load rate and high deceleration θ h relation.For example, passenger load rate is less than rule
Determine selection standard deceleration θ s during the low-load state of threshold value, passenger load rate is selected when being high load condition more than defined threshold
Select high deceleration θ h.Deceleration selection table can also be used, passenger load rate is divided into more than 3 grades, deceleration is preset to each shelves
Degree.
When judging to make inverter 10 as the deceleration needed for reproduced state as standard deceleration θ s, deceleration instruction selection
Portion 17 output can be used for the deceleration for making escalator carry out deceleration stopping with standard deceleration θ s from output section 18 to inverter 10
Instruct (S26).
In contrast, when judging to make inverter 10 as the deceleration needed for reproduced state as high deceleration θ h, slowing down
Instruction selector 17 output can be used for making escalator with subtracting that high deceleration θ h decelerations stop from output section 18 to inverter 10
Speed instruction (S27).
By the speed-down action of inverter 10, regenerated electric power can be produced.The regenerated electric power is defeated via power change-over switch 12
Enter to control circuit 11, the dc source (S28) as control circuit 11.Therefore, control circuit 11 is when operating is risen
Also regenerated electric power can be produced, it is ensured that control power supply, soft stop only function can be realized.
Thus, in the processing shown in Fig. 7, when having a power failure when escalator is rising operating, passenger people can be considered
The passenger load rates such as number, appropriate selection is sent to the deceleration instruction value of inverter 10 from control circuit 11.It is automatic therefore, it is possible to make
Staircase smoothly stops, it is ensured that the safety of passenger.
It is straight in smoothing capacity device 9 without using putting aside when having a power failure in operation in the present embodiment so constituted
Voltage is flowed, and inverter 10 is turned into the deceleration of reproduced state by controlling the selection of the deceleration instruction selector 17 of circuit 11,
Realize to slow down using the regenerated electric power produced the speed-down action because of escalator and stop.It is therefore not necessary to set battery etc. tight
Urgently needed power supply, can suppress the rising of manufacturing cost and improve security.
In addition, above-mentioned embodiment is merely to the clear mode for illustrating the present invention and describing in detail, being not limited to must
There must be all compositions described above.In addition, also can be deleted or be chased after for a part for the composition of the embodiment
Plus, replace other composition.For example, present embodiment also alternative escalator, it is adaptable to passenger's conveying dress such as pavement
Put.
Label declaration
1：Step
2：Handrail
3：Motor
4：Drive mechanism
5：Supply unit
6：AC power
7：Inverter unit
8：Current transformer
9：Smoothing capacity device
10：Inverter
11：Control circuit
12：Power change-over switch
13：Regenerate resistance
Claims (6)
1. a kind of passenger conveying appliance, it is made in endless connection using the motor that variable speed drives are carried out by DC-to-AC converter
The step loopy moving of formation, it is characterised in that have：
Circuit is controlled, it controls the DC-to-AC converter；
Resistance is regenerated, the regenerated electric power produced in the DC-to-AC converter is converted to heat energy by it；And
Switching switch, it is arranged between the DC-to-AC converter, the control circuit and the regeneration resistance, according to from
The switching signal of circuit is controlled, any for making the DC-to-AC converter be connected in the regeneration resistance or the control circuit
Person,
The AC power that the control electric circuit inspection supplies alternating current to the DC-to-AC converter, which whether there is, to have a power failure,
When detecting the power failure, the switching signal is sent to the switching switch, make the DC-to-AC converter with it is described
Regeneration resistance disconnects and is connected to the control circuit,
Based on the inverter load information obtained from the DC-to-AC converter, determine to be used for making the DC-to-AC converter produce regeneration
The regulation deceleration of electric power, and will be exported for the deceleration instruction to the DC-to-AC converter instruction regulation deceleration to institute
State DC-to-AC converter,
The regenerated electric power produced by speed-down action corresponding with the deceleration instruction in the DC-to-AC converter is used as control
System power supply, stops the motor deceleration.
2. passenger conveying appliance according to claim 1, it is characterised in that
When the control circuit makes the motor stopping under the situation that the power failure does not occur,
The DC-to-AC converter is connected to by the regeneration resistance by the switching switch,
Deceleration instruction is sent to the DC-to-AC converter, the motor is carried out deceleration stopping,
It will be produced using the regeneration resistance by speed-down action corresponding with the deceleration instruction in the DC-to-AC converter
Regenerated electric power be converted to heat energy.
3. passenger conveying appliance according to claim 1 or 2, it is characterised in that
The control circuit selects deceleration corresponding with the inverter load information from pre-prepd multiple deceleration
It is used as the regulation deceleration.
4. passenger conveying appliance according to claim 3, it is characterised in that
In the case of the either direction loopy moving during the motor makes the step ramp up direction or descent direction,
It is described to control circuit when detecting the power failure in the case that the motor makes the step be moved to descent direction,
The 1st deceleration in pre-prepd multiple deceleration is selected as the regulation deceleration,
When detecting the power failure in the case that the motor makes the step ramp up direction movement, if the inverter
Load information is more than defined threshold, then to select the 2nd deceleration more than the 1st deceleration in pre-prepd multiple deceleration
Degree, if the inverter load information is less than the defined threshold, selects the 1st deceleration as the regulation deceleration
It is used as the regulation deceleration.
5. passenger conveying appliance according to claim 1, it is characterised in that
The control circuit has：
Power failure test section, it detects the AC power for supplying alternating current to the DC-to-AC converter whether there is and had a power failure；
Switching controlling part, it exports the switching signal, and switches the switching switch；
Deceleration instruction generating unit, it is determined described for making based on the inverter load information obtained from the DC-to-AC converter
DC-to-AC converter generates the regulation deceleration of regenerated electric power, and generates to provide the regulation deceleration to the DC-to-AC converter
Deceleration instruction；And
Control unit, it is when the power failure test section detects the power failure, by from the switching controlling part to the switching
Switch provides the switching signal, the DC-to-AC converter is disconnected with the regeneration resistance and is connected to the control circuit,
And using the regenerated electric power produced by speed-down action corresponding with the deceleration instruction in the DC-to-AC converter as power supply,
The motor is set to carry out deceleration stopping.
6. a kind of control method of passenger conveying appliance, the passenger conveying appliance carries out variable speed drives using by DC-to-AC converter
Motor, makes to connect the step loopy moving to be formed in endless, it is characterised in that
The regenerated electric power produced in the DC-to-AC converter is made is converted to the regeneration resistance of heat energy with controlling the inverter to fill
Between the control circuit put, any one in the regeneration resistance or the control circuit is connected to provided with the DC-to-AC converter is made
Switching switch,
The AC power that the control electric circuit inspection supplies alternating current to the DC-to-AC converter, which whether there is, to have a power failure,
When detecting the power failure, switching signal is sent to the switching switch, makes the DC-to-AC converter and the regeneration
Resistance disconnects and is connected to the control circuit,
Based on the inverter load information obtained from the DC-to-AC converter, determine to be used for making the DC-to-AC converter produce regeneration
The regulation deceleration of electric power, and will be exported for the deceleration instruction to the DC-to-AC converter instruction regulation deceleration to institute
State DC-to-AC converter,
The regenerated electric power produced by speed-down action corresponding with the deceleration instruction in the DC-to-AC converter is used as control
System power supply, stops the motor deceleration.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-050775 | 2015-03-13 | ||
| JP2015050775A JP6293080B2 (en) | 2015-03-13 | 2015-03-13 | Passenger conveyor device and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105967035A CN105967035A (en) | 2016-09-28 |
| CN105967035B true CN105967035B (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610115285.2A Active CN105967035B (en) | 2015-03-13 | 2016-03-01 | Passenger conveying appliance and its control method |
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| JP (1) | JP6293080B2 (en) |
| CN (1) | CN105967035B (en) |
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| JP2018074794A (en) | 2016-10-31 | 2018-05-10 | ファナック株式会社 | Motor drive device with common forward converter |
| JP6674918B2 (en) * | 2017-02-03 | 2020-04-01 | 株式会社日立製作所 | Passenger conveyor and method of controlling passenger conveyor |
| JP6533548B2 (en) * | 2017-03-16 | 2019-06-19 | 株式会社日立製作所 | Passenger conveyor |
| CN109510471B (en) | 2017-09-15 | 2022-11-04 | 奥的斯电梯公司 | Frequency converter, bypass frequency conversion control system and switching control method thereof |
| JP7006642B2 (en) * | 2019-03-14 | 2022-01-24 | フジテック株式会社 | Passenger conveyor |
| JP6981445B2 (en) * | 2019-04-24 | 2021-12-15 | フジテック株式会社 | Passenger conveyor |
| CN112803397B (en) * | 2021-01-07 | 2023-07-28 | 配天机器人技术有限公司 | Power supply control system and power supply control method for robot |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2016171699A (en) | 2016-09-23 |
| CN105967035A (en) | 2016-09-28 |
| JP6293080B2 (en) | 2018-03-14 |
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