CN100560462C - The power failure rescue mode of synchronous machine drives elevator - Google Patents
The power failure rescue mode of synchronous machine drives elevator Download PDFInfo
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- CN100560462C CN100560462C CNB2007100234095A CN200710023409A CN100560462C CN 100560462 C CN100560462 C CN 100560462C CN B2007100234095 A CNB2007100234095 A CN B2007100234095A CN 200710023409 A CN200710023409 A CN 200710023409A CN 100560462 C CN100560462 C CN 100560462C
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 description 3
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- 238000005516 engineering process Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
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Abstract
The present invention relates to the power failure rescue mode of synchronous machine drives elevator, whether detect power supply by the power supply detection part normal, detecting input voltage when power-off event takes place loses, set by program or peripheral switch, enter the pattern of setting, the incision backup power, backup power provides controller required power supply, by the winding of interlocking contactless switch short circuit synchronous dynamo; Enter the rescue function that has a power failure, the sealing external power supply; Program is carried out corresponding operation according to the residing different conditions of elevator: if elevator stops at the zone of opening the door, elevator cage door is in closed condition, open elevator door by backup power, if elevator stops at the non-zone of opening the door, elder generation's release mechanism brake, utilize the weight difference of car load and counterweight, elevator is slowly moved to the heavier side of weight, under the state of safety, move to the zone of opening the door and open elevator door.The present invention effectively eliminates elevator and causes safety hazard in the stranded car of passenger because of power failure, evacuates the passenger satisfactorily, avoids the generation of risk.
Description
Technical field
The present invention relates to a kind of elevator rescue method, relate in particular to the power failure rescue mode of synchronous machine drives elevator, having a power failure at elevator automatically performs the emergency handling of rescue when taking place to be stranded ladder.
Background technology
The elevator rescue emergency method is when being used for to the tired ladder of elevator generation, to carry out analysis and judgement, and the power supply of control backup power makes elevator open car door, save the passenger to nearest floor.In the prior art, in order in time to save the passenger when elevator occurs being stranded ladder, people have designed various elevators and have been stranded terraced emergency facility, what have can only report to the police, can not save oneself, be applicable to the elevator control path that simple discrete component constitutes, then powerless for PC ladder, large-scale integration circuit.
Chinese patent 90107478 discloses a kind of " elevator faults and power failure flat-layer technique and equipment ", it utilizes gets rid of the original control system of elevator, the direct method that elevator master motor, electromagnetic brake coil, switch lift car door motor are controlled, when elevator breaks down or have a power failure, as long as click emergency switch, backup power send to controller immediately.Controller after the energising at first makes the electromagnetic brake coil of former elevator and primary circuit disconnect, and connects to such an extent that open a sluice gate after electric with backup power, meanwhile makes main motor get electric startup and is being with the car flat bed.During near the bridge railway carriage or compartment arrives level position, electromagnetic brake coil band-type brake, main motor outage quits work, and meanwhile switch lift car door motor gets electricly, opens the door and puts the people, and it not only can not detection failure.And no matter emergency switch be located in the car still outside the car, all has very big safety hazard, as: be located at the possible misoperation of passenger in the car; Be located at car outer may be when being stranded ladder unmanned the discovery, some faults to national regulation do not allow the situation of emergency facility rescue can rescue because of judging yet simultaneously, this method may cause causing danger.
The synchronous machine drives elevator is divided on arrangement form: machine room, no machine room, small room are arranged.On purposes, be divided into: passenger elevator, residential lift, passenger-goods lift, Cargo Lift etc.The present power failure rescue mode that uses, mainly contain following two kinds: a kind of is to utilize high-performance backup power and additional Survivable Control System, drive elevator to the zone of opening the door, this scheme shortcoming mainly is to need the high-power backup power of coupling, the cost height, control is complicated, and additional Survivable Control System and drive system be not that Total tune participates in the The whole control flow process, can not guarantee to rescue the reliability and the integraty of function fully.Another kind method is to utilize low power backup power, opens mechanical brake and moves freely by car, when load is in balance, needs artificially to participate in, and can't reach and evacuate the passenger fully automatically, has hidden danger.
Summary of the invention
The power failure rescue mode that the purpose of this invention is to provide a kind of synchronous machine drives elevator is intended to effectively to eliminate elevator and causes safety hazard in the stranded car of passenger because of power failure, can evacuate the passenger satisfactorily, avoids the generation of risk.
Purpose of the present invention is achieved through the following technical solutions:
Whether 1. detect power supply by the power supply detection part normal, power-off event detects input voltage when taking place and loses, set enter " setting pattern " by program or peripheral switch, by the operation under the control program execution corresponding modes of control unit, the incision backup power, backup power provides the synchronous dynamo controller required power supply, by the winding of interlocking contactless switch short circuit synchronous dynamo;
2. enter the rescue function that has a power failure after backup power comes into operation, the sealing external power supply;
3. after entering the rescue function, at first judge the residing state of elevator, carry out corresponding operation according to different conditions then:
(a) if elevator stops at the zone of opening the door, elevator cage door is in closed condition, opens elevator door by backup power,
(b) if elevator stops at the non-zone of opening the door, elder generation's release mechanism brake, utilize the weight difference of car load and counterweight, elevator is slowly moved to the heavier side of weight, control unit is monitored the speed and the direction of motor operation in whole process simultaneously, guarantee that elevator moves to the zone of opening the door under the state of safety, open elevator door;
(c) if elevator stops at the non-zone of opening the door, the weight difference of car load and counterweight can't make elevator slowly move to a certain side, and then control system provides driving power driving cab slowly to move to the less side of current sinking by the interlocking contactless switch; Control unit is monitored the speed and the direction of motor operation in whole process simultaneously, guarantees that elevator moves to the zone of opening the door under the state of safety, opens elevator door;
4. after the rescue that has a power failure finished, system cut off the back-up source power supply automatically, treat that normal power source comes into operation after, system recovers normal operation automatically.
Purpose of the present invention can also come further to realize by the following technical programs:
The power failure rescue mode of aforesaid synchronous machine drives elevator, wherein, described " setting pattern " comprises automatic mode and manual mode, when entering automatic mode, cuts signal, drops into backup power to backup power by bussed supply; When entering manual mode, cut signal, drop into backup power to backup power by switch or button M/C.
The power failure rescue mode of aforesaid synchronous machine drives elevator, wherein, when described interlocking contactless switch is in non-attracting state, short circuit motor three phase windings automatically; When being in attracting state, connect main power circuit and breaking inner short circuit loop.
The power failure rescue mode of aforesaid synchronous machine drives elevator, wherein, described controller is monitored synchronous dynamo through the pulse feedback device again.
The outstanding substantive distinguishing features and the obvious improvement of technical solution of the present invention is mainly reflected in:
The present invention detects input voltage and bus voltage or passes through the peripheral power supply monitor component by function unit, detects power-off event.After power-off event takes place, by automated manner or manual mode, allow not at the elevator in zone that opens the door, under automatic control state or manual state of a control, elevator is stopped at a slow speed to the zone of opening the door recently, and opens gate automatically, evacuates the passenger; Perhaps rest in the elevator that is in the state of closing the door in the zone of opening the door, open gate automatically, evacuate the passenger, finish the rescue function that has a power failure.Compare with the power failure rescue mode of prior art, technical solution of the present invention is more direct, reliable, complete, does not need other peripheral controller, saved cost greatly, reliability and stability significantly improve, and greatly reduce risk, eliminate hidden danger to greatest extent.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Fig. 1: diagram of circuit of the present invention;
Fig. 2: control principle figure of the present invention.
The implication of each Reference numeral sees the following form among the figure:
| Reference numeral | Implication | Reference numeral | Implication | Reference numeral | Implication |
| 1 | The external impetus power supply | 2 | Mains lighting supply | 3 | The reserve uninterrupted power supply (UPS) |
| 4 | The back-up source switch | 5 | The automatic/hand switch | 6 | The power supply detection part |
| 6a | The power supply detector switch | 7 | Rescue output | 7a | The rescue switch |
| 8 | The back-up source contactless switch | 8a | Back-up source drops into | 8b | Back-up source drops into signal |
| 9 | Controller | 10 | The interlocking contactor control | 10a | The interlocking contactless switch |
| 11 | Synchronous dynamo | 12 | Band brake apparatus | 13 | Impulse deviser |
The specific embodiment
The power failure rescue mode of synchronous machine drives elevator, synchronous dynamo is when quitting work, utilize interlocking contactless switch short circuit synchronous dynamo winding, when motor rotates, utilize the permanent magnetism technology of synchronous dynamo, produce rightabout regenerative current, provide the moment opposite to stop the motor rotation, thereby elevator is slowly moved with the motor hand of rotation.Behind the rescue function on, at first release mechanism brake, when car load and counterweight existed weight difference and car to move freely, control system did not drop into drive current, only controls car and rests in the nearest zone of opening the door; When car load and counterweight are under the balanced load state, when car can't be mobile, control unit calculated automatically and mates the electric current that adapts, and the motor power power supply is provided, and makes elevator to the heavier side operation of load, until running to the zone of opening the door recently.In whole rescue function was carried out, control unit was monitored the rotative speed and the direction of motor at any time, guaranteed that elevator moves to the zone of opening the door recently under the state of the safety of permission, finish the rescue function.
Fig. 1 is a diagram of circuit of the present invention, and its concrete working process is: whether normal, when power-off event takes place, detect input voltage and lose if at first detecting power supply by the power supply detection part.Set by program or peripheral switch, enter the pattern of any one setting of automatic or manual, by the power failure rescue operation under the control program execution corresponding modes of control unit.When taking place when having a power failure, the interlocking contactless switch is in off working state, the winding of short circuit synchronous dynamo.When entering automatic mode, monitor bus voltage by control program, after detecting the generation that has a power failure,, drop into backup power for finishing rescue operation by the incision signal of bussed supply to backup power.When entering manual mode,, drop into backup power for finishing rescue operation by the incision of switch or button M/C backup power.After backup power drops into, enter the rescue function that has a power failure, the sealing external power supply, in order to preventing the input of external power supply, and external power supply is in case recovery, and control system automatically switches to normal mode of operation.After entering the emergency management and rescue function, program is according to the residing different conditions of elevator, carry out different control steps: (a) if elevator stops at the zone of opening the door, elevator cage door is in closed condition, open elevator door by backup power, (b) if elevator stops at the non-zone of opening the door, elder generation's release mechanism brake, utilize the weight difference of car load and counterweight, elevator is slowly moved to the heavier side of weight, control unit is monitored the speed and the direction of motor operation in whole process simultaneously, guarantees that elevator moves to the zone of opening the door under the state of safety, opens elevator door; (c) if elevator stops at the non-zone of opening the door, the weight difference of car load and counterweight can't make elevator slowly move to a certain side, and then control system provides driving power driving cab slowly to move to the less side of current sinking by the interlocking contactless switch; Control unit is monitored the speed and the direction of motor operation in whole process simultaneously, guarantees that elevator moves to the zone of opening the door under the state of safety, opens elevator door; Control unit is monitored the speed and the direction of motor operation in whole process simultaneously, guarantees that elevator moves to the zone of opening the door under the state of safety, and opens the door and evacuate the passenger.If car load and counterweight are in state of equilibrium, when car can't be free to slide, control unit drops into driving power automatically, driver element output is moved the electric current that is complementary at a slow speed with car, the control car moves at a slow speed to the less side of electric current output, the speed and the direction of the operation of the motor of control unit monitoring simultaneously guarantee that elevator moves to the zone of opening the door under the state of safety, and open the door and evacuate the passenger.After the rescue that has a power failure finished, system cut off the back-up source power supply automatically, treat the input of normal power source after, system recovers normal operation automatically.
Whether control principle of the present invention is as shown in Figure 2, normal by power supply detection part 6 detection external impetus power supplies 1, and when power-off event takes place when, detection part 6 out-put supply lossing signal 6a driving back-up source contactless switch 8; After controller 9 detected the loss of power signal simultaneously, control interlocking contactless switch 10 cut off motor drive power supply, and the winding of motor also by interlocking contactless switch 10 short circuits, is closed band-type brake 12 simultaneously.Controller (containing actuator) 9 continues the supervision power line voltage, and controller can continue to move a period of time after power down, still detects after the time-delay of certain hour to be power down, and then controller 9 is confirmed as 1 power down of external impetus power supply.Controller output this moment rescue signal 7:(A) under predefined automatic mode (switch 5 disconnects), rescue switch 7a and power supply detector switch 6a together drive back-up source contactless switch 8 reserve uninterrupted power supply (UPS) 3 are dropped into power supply, and back-up source switch 4 under normal circumstances is in normally off.(B) under predefined manual mode (switch 5 closures) need not to rescue on-off signal 7a, and back-up source contactless switch 8 is driven directly, hard input reserve uninterrupted power supply (UPS) 3.After standby uninterruptible power 3 dropped into, electrical source of power 1 contactor 8a interlocking was simultaneously cut off, and prevented from reserve uninterrupted power supply (UPS) 3 short circuit to take place.After controller 9 is determined reserve uninterrupted power supply (UPS) 3 correct inputs by detection back-up source input signal 8b, promptly enter the emergency management and rescue state, program is according to the residing different conditions of elevator, carry out different control steps: A and stop at the zone of opening the door when elevator, elevator cage door is in closed condition, controller utilizes reserve uninterrupted power supply (UPS) 3 power supply driving gate systems, opens elevator door, evacuates the passenger.B is when elevator stops at non-opening the door during the zone, controller 9 unclamps band brake apparatus 12, utilize the weight difference of car load and counterweight, elevator can slowly move to the heavier side of weight, controller 9 utilizes speed, direction, the distance of pulse feedback 13 monitoring synchronous dynamos 11 operations in whole process simultaneously, guarantees that elevator moves to the zone of opening the door and stops, opens the door under the state of safety.If car load and counterweight are in state of equilibrium, when car can't be free to slide, controller utilized interlocking contactless switch 10a to drop into driving power (disconnection of winding short circuit), and controller 9 drive motor move car at a slow speed.Controller 9 utilizes speed, direction, the distance of pulse feedback device 13 monitoring motor operations simultaneously, guarantees that elevator moves to the zone of opening the door under the state of safety, and controller utilizes reserve uninterrupted power supply (UPS) 3 power supply driving gate systems, opens elevator door, evacuates the passenger.After elevator door was opened and put in place, controller 9 discharged rescue switch 7a, and the total system dead electricity can prevent the long-time deep discharge of back-up source like this, guarantees its service life, does not influence evacuating personnel etc.After external impetus power supply 1 recovered normally, system need not artificial adjustment can recover normal use.
Can show that technical solution of the present invention can effectively be eliminated elevator and cause safety hazard in the stranded car of passenger because of power failure, can evacuate the passenger satisfactorily, avoids the generation of risk.Reliability and stability are better, and economic benefits are remarkable.
Below only be concrete exemplary applications of the present invention, protection scope of the present invention is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the rights protection scope of the present invention.
Claims (3)
1. the power failure rescue mode of synchronous machine drives elevator is characterized in that: may further comprise the steps-
Whether 1. detect power supply by the power supply detection part normal, power-off event detects input voltage when taking place and loses, set enter " setting pattern " by program or peripheral switch, described " setting pattern " comprises automatic mode and manual mode, when entering automatic mode, cut signal, drop into backup power to backup power by bussed supply; When entering manual mode, cut signal, drop into backup power to backup power by switch or button M/C; By the operation under the control program execution corresponding modes of control unit, the incision backup power, backup power provides the synchronous dynamo controller required power supply, by the winding of interlocking contactless switch short circuit synchronous dynamo;
2. enter the rescue function that has a power failure after backup power comes into operation, the sealing external power supply;
3. after entering the rescue function, at first judge the residing state of elevator, carry out corresponding operation according to different conditions then:
(a) if elevator stops at the zone of opening the door, elevator cage door is in closed condition, opens elevator door by backup power;
(b) if elevator stops at the non-zone of opening the door, elder generation's release mechanism brake, utilize the weight difference of car load and counterweight, elevator is slowly moved to the heavier side of weight, control unit is monitored the speed and the direction of motor operation in whole process simultaneously, guarantee that elevator moves to the zone of opening the door under the state of safety, open elevator door;
(c) if elevator stops at the non-zone of opening the door, the weight difference of car load and counterweight can't make elevator slowly move to a certain side, and then control unit provides driving power driving cab slowly to move to the less side of current sinking by the interlocking contactless switch; Control unit is monitored the speed and the direction of motor operation in whole process simultaneously, guarantees that elevator moves to the zone of opening the door under the state of safety, opens elevator door;
4. after the rescue that has a power failure finished, system cut off the back-up source power supply automatically, treat that normal power source comes into operation after, system recovers normal operation automatically.
2. the power failure rescue mode of synchronous machine drives elevator according to claim 1 is characterized in that: when described interlocking contactless switch is in non-attracting state, and short circuit motor three phase windings automatically; When being in attracting state, connect main power circuit and breaking inner short circuit loop.
3. the power failure rescue mode of synchronous machine drives elevator according to claim 1 is characterized in that: described control unit is monitored synchronous dynamo through the pulse feedback device again.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007100234095A CN100560462C (en) | 2007-06-01 | 2007-06-01 | The power failure rescue mode of synchronous machine drives elevator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100234095A CN100560462C (en) | 2007-06-01 | 2007-06-01 | The power failure rescue mode of synchronous machine drives elevator |
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| CN101066732A CN101066732A (en) | 2007-11-07 |
| CN100560462C true CN100560462C (en) | 2009-11-18 |
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| CNB2007100234095A Expired - Fee Related CN100560462C (en) | 2007-06-01 | 2007-06-01 | The power failure rescue mode of synchronous machine drives elevator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107416631A (en) * | 2016-05-23 | 2017-12-01 | 宁波经济技术开发区昊鸿电子有限公司 | A kind of power failure for synchro traction machine elevator is met an urgent need automatic rescue device |
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| CN102351121B (en) * | 2011-10-01 | 2013-09-25 | 西子联合控股有限公司 | Elevator emergency evacuation device and an elevator emergency evacuation method |
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| CN107416633B (en) * | 2017-09-19 | 2023-04-07 | 何根巨 | Elevator fault self-rescue system and using method thereof |
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| CN111762653A (en) * | 2020-07-23 | 2020-10-13 | 巨人通力电梯有限公司 | Elevator power failure emergency rescue method and system |
| CN112134360B (en) * | 2020-09-24 | 2022-07-12 | 日立楼宇技术（广州）有限公司 | Control method, device and equipment of elevator power supply circuit and storage medium |
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| CN113401761B (en) * | 2021-06-03 | 2023-03-24 | 日立楼宇技术（广州）有限公司 | Elevator power failure emergency control method and device |
| CN113443528B (en) * | 2021-06-30 | 2023-08-04 | 苏州汇川控制技术有限公司 | Elevator emergency rescue method, equipment and computer readable storage medium |
| CN113942903B (en) * | 2021-11-04 | 2023-08-11 | 上海辛格林纳新时达电机有限公司 | Elevator control method and elevator |
-
2007
- 2007-06-01 CN CNB2007100234095A patent/CN100560462C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416631A (en) * | 2016-05-23 | 2017-12-01 | 宁波经济技术开发区昊鸿电子有限公司 | A kind of power failure for synchro traction machine elevator is met an urgent need automatic rescue device |
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| CN101066732A (en) | 2007-11-07 |
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Owner name: SUZHOU JIANGNAN JIAJIE ELEVATOR CO.; APPLICANT Free format text: FORMER OWNER: SUZHOU JIANGNAN JIAJIE ELEVATOR GROUP CO., LTD.; APPLICANT Effective date: 20071221 |
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Effective date of registration: 20071221 Address after: Jiangsu Province, Suzhou City Industrial Park Lou Jiang Lu (Feng Ting Road) No. 88 post encoding: 215122 Applicant after: Suzhou Jiangnan Jiajie Elevator Co.,Ltd. Co-applicant after: SUZHOU FUSHI ELEVATOR Co.,Ltd. Address before: Jiangsu Province, Suzhou City Industrial Park Lou Jiang Lu (Feng Ting Road) No. 88 post encoding: 215122 Applicant before: Suzhou Jiangnan Jiajie Elevator Group Co.,Ltd. Co-applicant before: SUZHOU FUSHI ELEVATOR Co.,Ltd. |
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Effective date of registration: 20180423 Address after: 215122 Suzhou Industrial Park, Suzhou Province, the only new road, No. 28, Jiangsu Patentee after: SJEC Corp. Address before: 215122 Jiangsu Province, Suzhou City Industrial Park (Lou Jiang Lu Feng Ting Road No. 88) Co-patentee before: SUZHOU FUSHI ELEVATOR Co.,Ltd. Patentee before: SJEC Corp. Effective date of registration: 20180423 Address after: 215122 Jiangsu Province, Suzhou City Industrial Park (Lou Jiang Lu Feng Ting Road No. 88) Co-patentee after: SUZHOU FUSHI ELEVATOR Co.,Ltd. Patentee after: SJEC Corp. Address before: 215122 Jiangsu Province, Suzhou City Industrial Park (Lou Jiang Lu Feng Ting Road No. 88) Co-patentee before: SUZHOU FUSHI ELEVATOR Co.,Ltd. Patentee before: Suzhou Jiangnan Jiajie Elevator Co.,Ltd. |
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