CN1048681A - Elevator faults and power failure flat-layer technique and equipment - Google Patents
Elevator faults and power failure flat-layer technique and equipment Download PDFInfo
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- CN1048681A CN1048681A CN 90107478 CN90107478A CN1048681A CN 1048681 A CN1048681 A CN 1048681A CN 90107478 CN90107478 CN 90107478 CN 90107478 A CN90107478 A CN 90107478A CN 1048681 A CN1048681 A CN 1048681A
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Abstract
What elevator faults of the present invention and power failure flatting method and equipment related to is that a kind of elevator is in normal carrying operational process, the elevator power supply interrupts suddenly or the control system of elevator itself breaks down suddenly, though elevator is parked between two floors or elevator has rested in accurate position, the emergency method of door can't open the time and the equipment that uses when emergent.It is in former elevator, adorn one can direct control elevator master motor, the electromagnetic brake coil, the controller of car door motor, a backup power, an emergency switch is adorned this controller and is not changed former elevator circuit, does not correlate with former apparatus for controlling elevator.When elevator broke down or have a power failure, as long as click emergency switch, elevator just can realize that flat bed puts the people.
Description
What elevator faults of the present invention and power failure flat-layer technique and equipment related to is that a kind of elevator is in normal carrying operational process, the elevator power supply interrupts suddenly or the control system of elevator itself is out of order, though elevator is parked between two floors or elevator has rested in level position accurately, the emergency method of door can't open the time and the equipment that uses when emergent.
Along with developing rapidly of skyscraper, elevator has become a wherein requisite important component part as the fast traffic vehicle of vertical direction in the building.Yet in the normal carrying operational process of elevator, the control system that power supply interruption suddenly or elevator itself often take place is out of order, and elevator is stopped suddenly, the passenger is closed in car, at least a few minutes, a few hours at most.In this case, common processing method is the method with the manpower jiggering, makes Elevator landing and manages to open elevator cab door and emit the passenger.Obviously, no matter this kind method on treatment effeciency, on reliability, all is to guarantee still.At present, the emergent drive system of a kind of EDS of being called is arranged abroad, this device can only run into power cut-off suddenly in operational process, and near the floor could in seconds automatically being put into elevator opens the door and puts the visitor.If unprovokeds such as the control system of elevator itself or electromagnetic brake mechanism circuit electricity and the fault that occurs do not realize that flat bed puts the visitor.Because its design is all that be based upon elevator itself all is on the normal basis, when power supply interrupts suddenly, it utilizes standby storage battery as power supply, by the original control system of elevator, reaches flat bed and puts the visitor.And because of it has adopted CPU control, must be closely related with the mode of elevator itself, thereby do not have commonality.
Purpose of the present invention is utilized exactly and is got rid of the original control system of elevator, direct main motor to elevator, and the band-type brake magnet coil, the method that switch lift car door motor is controlled, designing any elevator all can general-duty fault and power failure flat layer controller.
Elevator faults that the present invention is designed and power failure flat-layer technique are adorned one exactly and are had the former elevator master of direct control motor in former elevator, the electromagnetic brake coil, the controller of switch lift car door motor, a backup power, an emergency switch, adorn this controller and do not change former elevator circuit, do not correlate with former apparatus for controlling elevator.When elevator broke down or have a power failure, as long as click emergency switch, backup power sent 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 car 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.
With design-calculated elevator faults of the present invention and power failure flat bed expeditious measures, mostly be tens seconds of disposable work, equipment is simple, and cost is low, and maintenance is convenient, requires technology not high, owing to do not change original circuit of elevator, and easy for installation, highly versatile.
According to embodiment and accompanying drawing elevator faults of the present invention and power failure flat-layer technique and equipment are carried out detailed narration below.
Fig. 1. elevator faults and power failure flat bed relay contact control principle figure.
Wherein: QA
1, QA
2, XK
1, XK
2, M
1XK
3Switch
C
1, C
2, C
3, the CN contactless switch
J
1, J
2, J
3, J
4, J
5Intermediate relay
E
1, E
2, E
3, E
4Standby battery power
The ZD lighting lamp
A, b, c, d, e terminal point
Fig. 2. elevator faults and power failure flat bed PC control principle figure
Wherein: the PC programmable controller
E
5The programmable controller working power
Fig. 3. elevator master motor interconnecting wiring diagram
Wherein: M elevator master motor
1.VVVF circuit or DC chopper
Fig. 4. elevator electromagnetic brake winding wiring figure
Wherein: L elevator electromagnetic brake coil
Fig. 5. lift car door motor interconnecting wiring diagram
Wherein: D lift car door motor
Fig. 6. elevator speed-measuring electrical generator flat bed signal line figure
Wherein: A, B elevator speed-measuring dynamo armature two ends lead-in wire
D
1, D
2Diode
Rb
1, Rb
2, Rb
3Resistance
The T triode
Embodiment 1:
Be an elevator faults and the back relay contact control flat bed scheme that has a power failure below.Contactless switch C
1It is the main motor contactless switch of the original control of elevator.Wherein three normally open contacts are connected on the three-phase pig-tail wire of main motor M, when implementing this programme its wiring constant, still keep intact.Its another normally closed interlock is connected between a point and the c point or is serially connected in the CN coil circuit.When et out of order or power failure, the contactless switch CN that drops into standby battery power has five normally open contacts, often opens power contacts for two and is connected on battery power E
1And between VVVF circuit or the DC chopper.Two normally open contacts are connected on battery power E
2And between the control circuit, i.e. E
2Between positive pole and a point, E
2Between negative pole and the b point.Normally open contact and button QA
1Be in parallel, one terminates at power supply E
2Positive pole, an end and QA in parallel
2And XK
1Join, the coil one of CN terminates at power supply E
2Negative pole, an end and QA in parallel
2And XK
1Join.Elevator hoist contactless switch C
2Have three often to open power contacts, they are connected on respectively between the three-phase pig-tail wire and VVVF circuit or DC chopper 1 of elevator master motor M.C
2A normally closed interlock and relay J are arranged
5A normally open contact be connected on d point and contactless switch C after being in series
3On the terminal of coil, play interlocked and use.C
2Two terminals of coil, one is connected on the b point, another and contactless switch C
3Normally closed interlock be in series, again with J
5Normally closed interlock be connected on the d point after being in series.Elevator is transferred contactless switch C
3Structure, model fully and contactless switch C
2The also complete and C of unanimity, its wiring
2Symmetry just is connected on the phase sequence and the C of three electric power normally open contacts between VVVF circuit or DC chopper and the elevator master motor M
2On the contrary, make the main motor can contrarotation.Elevator electromagnetic brake coil L opens a sluice gate the intermediate relay J of usefulness
1Three normally closed interlocks and four normally open contacts are arranged, J
1Coil and intermediate relay J
2A normally closed interlock be connected between c point and the b point after being connected in series mutually.J
1Two normally closed interlocks be serially connected in the elevator primary circuit of electromagnetic brake coil so that electromagnetic brake coil and original elevator control circuit are disconnected.J
1Another normally closed interlock and relay J
3Normally open contact and relay J
2Coil be connected between a point and the e point after being in series.J
1Two normally open contacts be connected on battery power E
3And between the elevator electromagnetic brake coil L, so that to the electromagnetic brake coil power supply.J
1Another normally open contact be connected between c point and the d point so that simultaneously can control contactor C
2And C
3Coil.J
1Last normally open contact and intermediate relay J
4A normally open contact parallel connection after again with J
4Coil series connection, the whole piece circuit after the series connection is connected between a point and the e point.Intermediate relay J
2Look the amount of capacity type selecting of lift car door motor.If the working current of car door motor D greater than 5A, should select for use contactless switch to replace relay.J
2Two normally closed interlocks are arranged, and they are serially connected between car door motor D and the original control circuit of elevator, so that can cut off getting in touch of original control circuit and car door motor.J
2Also have two normally open contacts, they are connected on car door armature and battery power E
4Between, so that the car door motor is powered.Intermediate relay J
3Coil and flat bed signal switch M
1And intermediate relay J
4Normally open contact be connected between a point and the e point after being in series.J
3Normally open contact and flat bed signal M
1Be in parallel, play self-locking action, its objective is prevent since elevator when flat bed just over during level position, flat bed signal switch M
1Reopen, cause J
3Coil is dead electricity and do not stop elevator again.Flat bed signal switch M
1Be contained in elevator car roof, it is a magnetic switch or dry reed switch, all puts permanent-magnet block at each floor position place of hoistway.XK
3Be switches semi-load, be contained in car bottom, it and intermediate relay J
5A normally open contact be in parallel after again with J
5Coil be in series, be connected on then between a point and the b point.Its effect is the half that passenger weight surpasses rated passenger capacity in lift car, and switch connection is determined the flat bed direction.The flat bed direction of elevator also can be differentiated with the tachogenerator of elevator itself.Circuit is with J
5Change the midget relay that rated voltage is 24V into, control by triode T.Relay J
5Coil one terminate on the collecting electrode of triode T, the other end and power supply join.J
5Normally open contact, an end is by a resistance R b
1Join with power supply, the base stage of the other end and triode T is joined.J
5Normally closed interlock one end and the base stage of triode T join, the other end is by resistance R b
3With guiding diode D
1Mouth join.Armature two ends lead-in wire A, the B of the tachogenerator of elevator, A terminates at guiding diode D
1Input end, B holds ground connection.The triode grounded emitter.Base stage is by diode D
2Ground connection, J
5often open, normally closed interlock is by resistance R b
3Ground connection.Again with XK
3Control path remove, and at a point and the indirect time relay sj of b point.SJ must should be serially connected in C by electric time closing contact
2, C
3In the circuit of coil.The flat bed direction of elevator can also be finished judgement with the speed relay SDJ that is contained on the elevator main motor shaft, and it is with the relay J in the circuit
5The position of all contacts is replaced by the SDJ respective contacts, J
5The circuit of coil is replaced by time relay sj.The time closing contact of SJ is serially connected in C
2, C
2Coil on.XK
1, XK
2Be two coaxial normally closed limit switches, be contained in the extreme position that elevator car roof is opened the door, when the car door standard-sized sheet, oppress this limit switch, battery power is cut off.QA
1With QA
2Also be two coaxial duplex button switchs of often opening, be contained in the car internal control making sheet.XK
2Be connected between e point and the b point.Lighting lamp ZD of attaching on the control path.
When elevator is parked between two floors, press button QA
1, at this moment standby storage battery E
2Electric current just flow into the coil of contactless switch CN, all normally open contact closures of CN after electric.Wherein with QA
1Play self-locking action after the CN normally open contact closure in parallel, at this moment both made QA
1Reset, the CN coil continues.CN gets and makes variable-frequency power sources VVVF circuit or DC chopper and battery power E after electric
1Connect, for elevator master motor provides power supply.Meanwhile also make J
1Coil through E
2Positive pole, two normally open contacts of closed CN, C
1Normally closed interlock, relay J
3Normally closed interlock get.The J after electric
1, elevator electromagnetic brake coil L and original circuit are disconnected, and with battery power E
3Connect, electromagnetic brake coil L is opened a sluice gate.While contactless switch C
2, C
3J in the wire loop
1The normally open contact closure makes C
2Or C
3Coil get.If the lift car seating capacity surpasses 1/2nd of specified launch weight, be contained in switch XK semi-load of car bottom so
3Be switched on, make relay J
5Coil by E
2Positive pole, through the closed normally open contact of CN, a point, XK
3And must be electric, make J
5All normally open contact closures, normally closed interlock is opened.At this moment contactless switch C
3Coil get electricly, the loop that obtains thus is that power supply is from E
2Positive pole, through the closed normally open contact of CN, a point, C
1Normally closed interlock, be connected on the J between c point and the d point
1Normally open contact, J
5Normally open contact and C
2Normally closed interlock and C
2Coil get back to E
2Negative pole.C
3Coil get electric after, make variable-frequency power sources or power of chopping in the power circuit, through contactless switch C
3Normally open contact insert main motor, make main motor forward rotation, elevator is to following floor flat bed.If carrying weight is less than 1/2nd of nominal payload, contactless switch C
2Electric, the elevator flat bed that makes progress.Judge the flat bed direction if utilize the tachogenerator of elevator itself, that is exactly after magnet coil L opens a sluice gate, utilize the time-delay contact of time relay to make lift car be free to slide 1-3 second, when tachogenerator has had certain rotating speed, just armature two ends from tachogenerator obtain the rotation direction signal, make aerotron conducting or not conducting, relay J
5Electric or must not the electricity, determine C
2Or C
3Elevator landing is finished in action.If utilize the speed relay SDJ that is contained on the elevator master motor M axle to differentiate the flat bed direction.After opening a sluice gate, also utilize the time-lag action of time relay sj, allow elevator elder generation art skating obtain certain initial velocity, had initial velocity just can obtain the flat bed direction signal from speed relay SDJ.In relay J
1Electric the time, be connected on relay J
4J on the wire loop
1The normally open contact closure makes J
4Get electric adhesive, and self-locking.Be connected on relay J like this
3J in the wire loop
4The normally open contact closure is relay J
3Get electric ready.When elevator arrives nearby level position, be contained in the flat bed signal switch M of car top
1Closure makes relay J
3Coil get electric and self-locking.J
3Get electric back J
1Coil losing electricity, J simultaneously
2Coil gets.J
1Make contactless switch C after the dead electricity
2Or C
3Coil losing electricity, the outage of main motor M, electromagnetic brake coil L dead electricity and mechanical hatching gate steadily is parked on the level position elevator simultaneously.J
2Electric after, the elevator cab door motor D gets electric, opens the door and puts into.When car door reaches maximum position, the link stopper on the door will be contained in the limit switch XK of the end position that opens the door
1, XK
2Rush open, make contactless switch CN dead electricity.At this moment the power supply of The whole control circuit is cut off, and elevator in bad order no longer can put into operation.If elevator door is opened at the level position place, lift car takes place suddenly again glide or rise between two floors.As long as pin QA
1, QA
2Do not loose one's grip, both made XK
1, XK
2Open, because QA
2And XK
1Be connected in parallel, still can make CN get electric start-up control circuit again, behind the Elevator landing, unclamp QA
1, QA
2After, CN is dead electricity immediately.If behind the flat bed, Men Bukai, at this moment switch M
1On, XK
1, XK
2Obstructed.As long as press QA
1Button, control circuit restarts charged, and this moment, car was motionless, but can open door.
Embodiment 2:
Be a PC control flat bed scheme below.PC can be selected for use: the C20P-CDR-AEO model.With the M among the embodiment 1
1, XK
2, XK
2, C
1Normally closed interlock be connected on respectively on the input end binding post 0002,0003,0004,0005 of programmable controller PC.With the relay J among the embodiment 1
1, J
2With contactless switch C
2, C
3Coil be connected on respectively on the output end binding post 0500,0501,0502,0503 of programmable controller.Normally open contact and direct supply E by contactless switch CN
2Form the loop.Needed working power E when two other normally open contact of CN is connected on the source terminal of electric power of programmable controller and PC work itself
5Between.All the other wiring such as elevator master motor M, elevator electromagnetic brake coil L, car door motor D, switch QA
1, QA
2, XK
1All identical with embodiment 1.When pressing QA
1During button, contactless switch CN gets electric, and at this moment frequency changer circuit is started working, and for elevator master motor provides three phase low frequency symmetry power supply, simultaneously for PC provides working power, makes PC work.In PC when work,, the succession of follow procedure instruction is carried out in due order, multiple scanning, finish fault or have a power failure after Elevator landing.
Claims (7)
1, a kind of by spare controller, elevator faults that backup power, emergency switch are finished and power failure flatting method, it is characterized in that controller is under the situation that does not change former elevator circuit, the main motor of direct control fault elevator, the electromagnetic brake coil, the lift car door motor is finished flat bed.When elevator breaks down or have a power failure, as long as click emergency switch, backup power send electricity to controller, and the controller after the energising at first makes the electromagnetic brake coil of elevator and former lift circuit disconnect, connect to such an extent that open a sluice gate after electric with backup power, main simultaneously motor gets electric startup car flat bed.When car arrives nearest 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.
2, a kind of elevator faults and power failure flat layer controller of being made up of switch, contactless switch, relay, battery power, lighting lamp is characterized in that:
(1) make the contactless switch CN of standby battery power input that five normally open contacts be arranged.Often opening power contacts for two is connected between battery power E and VVVF circuit or the DC chopper 1.Often open power contacts for two and be connected on battery power E
2And between the control circuit.Normally open contact and button switch QA
1Back and switch QA in parallel are in parallel
2And XK
1Join an end and power supply E
2Positive pole joins, and one terminates on the coil of CN, and the other end of CN coil is connected on power supply E
2Negative pole.QA
1And QA
2Be contained on the car control desk;
(2) make the contactless switch C of elevator hoist
2Have three often to open power contacts, they are connected on respectively between the three-phase pig-tail wire and VVVF circuit or DC chopper 1 of elevator master motor M.C
2Normally closed interlock and relay J
5The series connection of normally open contact after be connected on d point and contactless switch C
3On the terminal of coil, play interlocked and use.C
2Two terminals of coil, one is connected on the b point, another and contactless switch C
3Normally closed interlock series connection, again with J
5Normally closed interlock be connected on the d point after being in series.Elevator is transferred contactless switch C
3With contactless switch C
2Wiring symmetrical, just be connected on the phase sequence and the C of three electric power normally open contacts between VVVF circuit or DC chopper and the elevator master motor M
2On the contrary, make the main motor can contrarotation.The contactless switch C of the main motor of the original control of elevator
1A normally closed interlock be connected between a point and c point of control path, perhaps be serially connected in the CN coil circuit;
(3) make elevator electromagnetic brake coil L open a sluice gate the intermediate relay J of usefulness
1Three normally closed interlocks and four normally open contacts are arranged, J
1Coil and relay J
3A normally closed interlock be connected between c point and the b point after being connected in series mutually.J
1Two normally closed interlocks be serially connected in the elevator primary circuit of electromagnetic brake coil L so that electromagnetic brake coil and original elevator control circuit are disconnected.J
1Another normally closed interlock and relay J
3Normally open contact and relay J
2Coil series connection after be connected between a point and the e point.J
1Two normally open contacts be connected on battery power E
3And between the elevator electromagnetic brake coil L, so that to the electromagnetic brake coil power supply.J
1Another normally open contact be connected between c point and the d point so that simultaneously can control contactor C
2And C
3Coil.J
1Last normally open contact and intermediate relay J
4A normally open contact parallel connection after again with J
4Coil series connection, the whole piece circuit after the series connection is connected between a point and the e point.
(4) the intermediate relay J that the elevator cab door motor D is opened
2, two normally closed interlocks are serially connected between the original control circuit of car door motor D and elevator, so that cut off original control circuit, two normally open contacts are connected between car door armature and the storage battery, so that the car door motor D is powered;
(5) intermediate relay J
3Coil and flat bed signal switch M
1And intermediate relay J
4Normally open contact series connection after be connected between a point and the e point.J
3Normally open contact and flat bed signal switch M
1The self-locking action that rises in parallel.Flat bed signal switch M
1Be contained in the lift car header;
(6) two coaxial normally closed limit switch XK
1, XK
2Be contained in the lift car header extreme position of opening the door, XK
2Be connected between e point and the b point.When gate was opened, the compressing switch cut off battery power.
3, elevator faults according to claim 2 and power failure flat layer controller, carrying or transfer on when it is characterized in that Elevator landing is XK by being contained in the lift car bottom
3Switch or be contained in speed relay SDJ on the elevator main motor shaft or signal that the original tachogenerator of elevator sends realizes.
4,, it is characterized in that switch XK semi-load that is contained in the lift car bottom when using according to claim 2,3 described elevator faults and power failure flat layer controller
3During the signal flat bed, XK
3With intermediate relay J
5A normally open contact be in parallel after again with J
5Coil be in series, be connected on then between a point and the b point, the passenger surpasses a half of rated passenger capacity in car, switch connection makes contactless switch C
3Get electric connection, elevator is transferred flat bed.Passenger capacity is less than two of nominal payload/for the moment, contactless switch C
2Electric connection, the elevator flat bed that makes progress.
5,, it is characterized in that its circuit is with the intermediate relay J in the controller line when using the tachogenerator signal flat bed of elevator itself according to claim 2,3 described elevator faults and power failure flat layer controller
5Change the midget relay that rated voltage is 24V into, control by triode T.Relay J
5Coil one terminate on the collecting electrode of triode T, the other end and power supply join.J
5Normally open contact one end pass through resistance R
B1Join with power supply, the base stage of the other end and aerotron T is joined.J
5Normally closed interlock one end and the base stage of triode T join, the other end passes through resistance R
B3With incorgruous diode D
1Mouth join.The armature two ends lead-in wire one of the tachogenerator of elevator terminates at guiding diode D
1Input end, an end ground connection, the triode grounded emitter, base stage is by diode D
2Ground connection, J
5often open, normally closed interlock passes through resistance R
B3Ground connection.Time relay sj of adjunction between a point and b point.
According to claim 2,3 described elevator faults and power failure flat layer controller, it is characterized in that 6, when use was contained in speed relay SDJ signal flat bed on the elevator main motor shaft, it was to replace intermediate relay J by the corresponding contact of SDJ
5The position of all contacts in control path, time relay sj of adjunction between a point and b point; The time closing contact of SJ is serially connected in C
2, C
3Coil on.
7, a kind of elevator faults and power failure flat layer controller of being made up of switch, contactless switch, relay, battery power, PC is characterized in that: with flat bed signal switch M
1, limit switch XK
2, XK
3, the original contactless switch C of elevator master motor
1Normally closed interlock be connected on respectively on the input end binding post of programmable controller 2.To there be three often to open power contacts and be connected on the three-phase pig-tail wire of elevator master motor M and the elevator hoist contactless switch C between VVVF circuit or the DC chopper 1 respectively
2, elevator is transferred contactless switch C
3, two normally closed interlocks are serially connected in the elevator primary circuit of electromagnetic brake coil L, and two normally open contacts are connected on the intermediate relay J between battery power and the elevator electromagnetic brake coil
1, two normally closed interlocks are serially connected in car door motor D and the elevator primary circuit, two normally open contacts are serially connected in the intermediate relay J between car door armature and the battery power
2, their coil is connected on respectively on the output end binding post of programmable controller, by normally open contact and the backup power E of contactless switch CN
2Form the loop.Two normally open contacts of contactless switch CN are connected on programmable controller working power E
5On the source terminal of electric power of programmable controller.Normally open contact and button QA
1Be in parallel, one terminates at power supply E
2Positive pole, an end and QA in parallel
2And XK
1Join, CN also has two normally open contacts to be connected on standby battery power E
1And between VVVF circuit or the DC chopper 1, the coil one of CN terminates at power supply E
2Negative pole, an end and QA in parallel
2And XK
1Join.When pressing QA
1The time, backup power makes PC get electric work, according to the precedence of programmed instruction, carry out in due order, multiple scanning, finish fault or have a power failure after Elevator landing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90107478 CN1048681A (en) | 1990-09-07 | 1990-09-07 | Elevator faults and power failure flat-layer technique and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90107478 CN1048681A (en) | 1990-09-07 | 1990-09-07 | Elevator faults and power failure flat-layer technique and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1048681A true CN1048681A (en) | 1991-01-23 |
Family
ID=4880558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90107478 Pending CN1048681A (en) | 1990-09-07 | 1990-09-07 | Elevator faults and power failure flat-layer technique and equipment |
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| Country | Link |
|---|---|
| CN (1) | CN1048681A (en) |
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| CN109264528A (en) * | 2015-03-25 | 2019-01-25 | 汪水仿 | Elevator faults put people's device |
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| CN104310148A (en) * | 2014-09-24 | 2015-01-28 | 深圳市正弦电气股份有限公司 | Rescue method and rescue device for elevator |
| CN104310148B (en) * | 2014-09-24 | 2016-08-10 | 深圳市正弦电气股份有限公司 | A kind of elevator rescue method and device |
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| CN105643637A (en) * | 2014-11-11 | 2016-06-08 | 沈阳新松机器人自动化股份有限公司 | Industrial robot motor band-type brake controller with safety monitoring device |
| CN104843556A (en) * | 2015-03-19 | 2015-08-19 | 汪水仿 | Elevator fault people releasing device |
| CN109264528A (en) * | 2015-03-25 | 2019-01-25 | 汪水仿 | Elevator faults put people's device |
| CN105923484A (en) * | 2016-06-29 | 2016-09-07 | 北京利亚德视频技术有限公司 | Visual rescue elevator and visual rescue method for elevator |
| CN108217357A (en) * | 2016-12-09 | 2018-06-29 | 奥的斯电梯公司 | Elevator safety system, elevator device and the method for operating elevator device |
| CN108217357B (en) * | 2016-12-09 | 2021-12-31 | 奥的斯电梯公司 | Elevator safety system, elevator system and method for operating elevator system |
| CN106882662A (en) * | 2017-01-13 | 2017-06-23 | 广州广日电梯工业有限公司 | A kind of elevator rescue system |
| CN106882662B (en) * | 2017-01-13 | 2019-09-24 | 广州广日电梯工业有限公司 | A kind of elevator rescue system |
| CN107500065A (en) * | 2017-10-17 | 2017-12-22 | 四川泰升液压电梯制造有限公司 | A kind of automatic disposal device of hydraulic elevator power failure |
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