CN103523626A - Rescue device and method of machine-room-less lift and machine-room-less lift with rescue device - Google Patents
Rescue device and method of machine-room-less lift and machine-room-less lift with rescue device Download PDFInfo
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- CN103523626A CN103523626A CN201310456653.6A CN201310456653A CN103523626A CN 103523626 A CN103523626 A CN 103523626A CN 201310456653 A CN201310456653 A CN 201310456653A CN 103523626 A CN103523626 A CN 103523626A
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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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The invention relates to a rescue device of a machine-room-less lift. The rescue device is used for a machine-room-less lift which is provided with a permanent magnet synchronous gearless machine, a lift car and a counter weight. The rescue device comprises a blackout output alternating current power supply, a rescue control circuit and a liquid storage container arranged on the top or the bottom of the lift car. The liquid storage container is provided with a liquid adding opening and a liquid outlet, a solenoid valve is installed on the liquid outlet and controlled by the rescue control circuit, and the blackout output alternating current power supply supplies electricity to the rescue control circuit. The invention further relates to a machine-room-less lift with the rescue device of the machine-room-less lift and the rescue method of the machine-room-less lift. Under the circumstances that the machine-room-less lift cannot run due to a breakdown, the lift car is far away from the position of a flat bed, the gravity difference is too less, and the brake lift car is just opened but cannot freely move, a rescue worker operates outside a well and removes a part of mass of the side portion of the lift car of the lift, so the gravity difference between two sides of a running wheel is increased to damping sufficient to overcome moving of the lift car, and the lift car can move upwards by itself to a proper position where passengers can be rescued out.
Description
Technical field
The present invention relates to a kind of machine-roomless lift deliverance apparatus, method and with the machine-roomless lift of this device, be specially adapted to the machine-roomless lift that adopts permanent-magnet synchnorous gearless dragging machine, there is car and counterweight.
Background technology
The towing machine of machine-roomless lift is arranged in hoistway, and traction steel-cable is being hung respectively counterweight and car in the both sides of traction sheave.Be subject to the restriction of mounting condition, machine-roomless lift is difficult to move car with hand turning.
Adopt permanent-magnet synchnorous gearless dragging machine, there is machine-roomless lift (the being designated hereinafter simply as machine-roomless lift) et out of order of car and counterweight and can not travel, car is away from the gravitational difference of level position, traction sheave both sides enough greatly time, as long as be wrenched by a maintainer handle that declutches on elevator floor stops, open the band-type brake (magnet stopper) of towing machine, just can make car rely on gravitational difference upwards or be moved downward to the needed position of rescue.
If machine-roomless lift et out of order and can not travel, car is too small away from the gravitational difference of level position, traction sheave both sides, only unclamping band-type brake can not mobile car.Up to now, once there is this situation, maintainer must first open hoistway door, enters elevator hoistways, by loading weight, increase cage side or the quality to heavy side under the state of brake sticking brake, and gravitational difference is increased to a certain degree; Then, the floor of also need to withdraw hoistway, close Room door, getting back to the handle place of declutching is opened band-type brake, just likely makes lift car move.
That is to say, once the machine-roomless lift having emerged occurs because fault can not be travelled, car is away from the situation of level position, rescue group likely needs to spend the long period just stranded passenger can be rescued from car.
Nowadays people are not only confined to safety to the requirement of elevator, also require it to have good ride experience, yet the emergency relief mode of existing machine-roomless lift, at aspect imperfections such as the safety rate of rescuing, comfort level, quick degree.
Summary of the invention
The technical problem to be solved in the present invention is: once in order to overcome, the machine-roomless lift that emerged occurs because fault can not be travelled, car is away from the situation of level position, rescue group likely needs the deficiency of spending the long period just stranded passenger can be rescued from car, the invention provides a kind of machine-roomless lift deliverance apparatus, method and with the machine-roomless lift of this device, rescue time is short, convenient and swift, safety factor is high.
The technical solution adopted for the present invention to solve the technical problems is: a kind of machine-roomless lift deliverance apparatus, be used for adopting permanent-magnet synchnorous gearless dragging machine, the machine-roomless lift with car and counterweight, described towing machine is with band-type brake, comprise power-off output AC power source, rescue control circuit and the liquid storage container that is arranged on described car top or bottom, described liquid storage container has filling opening, liquid outlet and vent, described liquid outlet is provided with the electromagnetic valve opening and closing for controlling liquid outlet, described electromagnetic valve is controlled by rescuing control circuit, described rescue control circuit is powered by power-off output AC power source.Described power-off output AC power source two ends are respectively with live wire end and the zero line side of the supply regular power power supply of described machine-roomless lift and connect, described power-off output AC power source only when power-off to load output AC power source.Described liquid storage container can be made with metal or organic material, be fixed on car above or below.
On described liquid storage container, be also provided with liquid level tube.
Described rescue control circuit comprises the control circuit by described power-off output AC power source power supply,
Described control circuit comprises
Power-off relay: comprise power-off relay coil and power-off relay normally closed contact, described power-off relay coil two ends and elevator supply regular power both ends of power also connect, and described power-off relay normally closed contact is connected in series with power-off output AC power source;
Rescue button switch: be connected in series with the normally closed contact of power-off relay;
Slug relay: comprise slug relay's coil and slug relay's normally closed contact, described slug relay coil has A1 end and A2 end, one end of A2 end and power-off output AC power source also connects, A1 end is with the other end of power-off output AC power source and connect after power-off relay normally closed contact and rescue button switch, and described slug relay normally closed contact is connected in series with power-off output AC power source;
Tapping button;
Band-type brake coil; With
The coil of described electromagnetic valve: after being connected in series with tapping button, with the two ends of described slug relay coil and connect.
Described band-type brake coil: according to the situation of its rated voltage, adopt following (a)～(d) a certain in method, be connected in series mutually with power-off output AC power source;
(a) when band-type brake coil adopts the output voltage of source of AC, its rated voltage and power-off output AC power source consistent, the normally closed contact of band-type brake coil and power-off relay, overhaul rotor switch, rescue button switch, the normally closed contact of slug relay, power-off output AC power source be connected in series mutually;
(b) when band-type brake coil adopts the output voltage of source of AC, its rated voltage and power-off output AC power source inconsistent, the normally closed contact of band-type brake coil by voltage transformer and power-off relay, overhaul rotor switch, rescue button switch, the normally closed contact of slug relay, power-off output AC power source be connected in series mutually;
(c) when band-type brake coil adopts the output voltage of direct supply, its rated voltage and described power-off output AC power source inconsistent, band-type brake coil, by voltage transformer and rectifier, is connected in series mutually with normally closed contact, maintenance rotor switch, rescue button switch, the normally closed contact of slug relay, the power-off output AC power source of power-off relay;
(d) when band-type brake coil adopts the output voltage of direct supply, its rated voltage and described power-off output AC power source identical, band-type brake coil, by rectifier, is connected in series mutually with normally closed contact, maintenance rotor switch, rescue button switch, the normally closed contact of slug relay, the power-off output AC power source of power-off relay.
When elevator has electricity, described power-off output AC power source charges and no-output.The normally closed contact of elevator power-off, power-off relay is connected, maintenance knob switch is when being set, rescuing button switch and being pressed, the time delay of slug relay disconnects normally closed contact in on-state, and the source of AC of described power-off output AC power source output is opened band-type brake.
The effect of slug relay, is to prevent from can not meeting factor cause increasing gravitational difference and can not make car move (elevator is subject to improper clamping stagnation) in the situation that, and band-type brake coil damages because of long time remaining energising.
The time-delay action of slug relay presets by the requirement of " within this time, the distance that car can automatic moving is 1/2 times～1 times of elevator maximal contiguous interlamellar spacing ".
After the normally closed contact of elevator primary power source de-energizes, power-off relay is connected, rescue button is pressed, in time-delay action, band-type brake is opened; Surpass time-delay action, the input power of band-type brake is cut off, band-type brake coil losing electricity, and band-type brake is by car stop.
If car is once mobile, fail to reach the needed position of rescue, if after rescue button is unclamped again by once, just can make car move up once again.
The effect of tapping button:
(a) during rescue group's manual unlocking band-type brake, if the gravitational difference of elevator traction sheave both sides is enough to overcome the damping that stops car to move, before operation control circuit, lift car just can automatic moving, but mobile direction is uncertain, may make progress, also may be downwards.
In the situation that car moves down voluntarily, if rescue group emits liquid, may make on the contrary car become and can not move.Therefore, should near tapping button, warning mark be set, to prevent the tapping of rescue group's mistake.
(b) in the situation that must tapping just can making car move, if unclamp band-type brake, press tapping button, until lift car, start after mobile to unclamp in time tapping button, can reduce to rescue clear up hoistway after stranded passenger, to the work capacity of liquid storage container fluid infusion.
At least one car position inductor is installed on described car, and described rescue control circuit also comprises indicating circuit, and described indicating circuit comprises
Rescue inductor: be arranged on the top of the car position inductor of all described elevators, and be normal open switch, connect with described power-off relay normally closed contact;
The car indicator lamp that puts in place: connect with rescue inductor.
In deliverance apparatus of the present invention, described rescue inductor is arranged on to the top of the car position inductor of described elevator, in order to see that rescue group the described car indicator lamp that puts in place is lit, unclamp at once described rescue button and during by car stop, the district of opening the door described in described car is just parked in.
Conventionally, elevator has at least one and is arranged on the car position inductor on sedan-chair top by support.Car position inductor is generally active photoelectric switch or passive magnetic induction switch.If elevator has two or two above car position inductors, all car position inductors are installed on same vertical line conventionally.In elevator hoistways, the position that is same size on same vertical line, apart from each floor ground level, is provided with the position element (being generally steel disc) for being identified by car position inductor.The car position inductor of elevator, need to support the use with position element.
In elevator moving process, when car position inductor recognizes position element, the switching state of its switch can change.If apparatus for controlling elevator receives the signal of the switch switching state-transition of car position inductor in the moment of estimating, just judge accordingly that lift car has normally entered the district of opening the door of the floor of need stopping, thus by predefined program make brake sticking brake, by car stop in level position.
If elevator has two or two above car position inductors, conventionally wherein have two and while being respectively applied for ascending for elevator and when descending, position element is identified.
If rescue inductor adopt passive magnetic induction switch form, be installed in the top of the car position inductor of elevator, favourable to controlling the cost of lift rescue device.
Described machine-roomless lift has talkback unit, and described talkback unit is with the DC supply for emergency still working when having a power failure.Described indicating circuit is powered by described DC supply for emergency, can certainly be powered by described power-off output AC power source.
When elevator has electricity, the normally closed contact of power-off relay disconnects, no matter whether rescue inductor is connected, indicator lamp all can not lighted.Elevator power-off, car move to while opening the door district, the passive switch contacting of the normally closed contact of power-off relay, rescue inductor, and the car indicator lamp that puts in place is lighted, and prompting rescue group should unclamp rescue button immediately, makes band-type brake coil losing electricity, stop car.
If car puts in place, the rated voltage of indicator lamp and the voltage of DC supply for emergency are consistent, and resistance is not set.If car puts in place, the rated voltage of indicator lamp is lower than the voltage of DC supply for emergency, and setting can make it obtain the resistance of rated voltage.
During rescue, if described indicating circuit has fault, rescue group sees through the inspection door on the handle side of declutching and estimates the mark on traction steel-cable, also can judge whether lift car has moved to the district of opening the door.
The rescue mode of the described machine-roomless lift deliverance apparatus of employing of the present invention, before elevator puts into operation, described electromagnetic valve is in closed condition, pack liquid into liquid storage container, in described liquid storage container, the initial mass of the liquid that fills is: elevator power-off, be not subject to improper clamping stagnation, but open after band-type brake, in the irremovable situation of car, by be no more than 95% the liquid that fills from cage side is removed, car can move up voluntarily;
When machine-roomless lift because fault can not be travelled, car is during away from level position, rescue group, before rescuing, first disconnects the main power switch in elevator control cabinet; Then, operation according to the following steps:
(1) be manually wrenched the handle that declutches, unclamp band-type brake;
(2) if car can automatic moving, until car, move to opening the door during district of floor nearby, the handle that will declutch unclamps, and band-type brake is braked again, and stranded passenger is rescued in car;
If car cannot move, the handle that will declutch unclamps, and band-type brake is braked again; Then, execution step (3);
The described district of opening the door, refers to when car is positioned at this region, if elevator in normal working, elevator door-motor can drive gate and Room door simultaneously; If elevator power-off, rescue group can, on the elevator floor stops of car place floor, open layer door and the gate of elevator with key;
(3) press described rescue button switch, band-type brake is opened once again;
(4) press described tapping button, the liquid in liquid storage container is emitted, until car can move up voluntarily time, unclamps tapping button; The liquid being released, is discharged pit by the freeing arrangement being arranged in elevator hoistways pit;
If execution step (3) and (4) once still can not make car be moved upward to voluntarily the district of opening the door of floor nearby, return to step (3), until car is moved upward to the district of opening the door of floor nearby voluntarily;
(5) car is moved upward to opening the door behind district of floor nearby, and rescue group unclamps rescue button and the handle that declutches, and makes brake sticking brake, opens Room door and the gate of elevator on the floor at car place with key, and stranded passenger is rescued in car.
(6) until elevator reparation to can inspection travel time, lift car inspection travel, to bottom, to fluid infusion in described liquid storage container to described initial mass, is repaired elevator to normal condition.
The invention still further relates to a kind of machine-roomless lift with described machine-roomless lift deliverance apparatus.
The invention has the beneficial effects as follows, the present invention at machine-roomless lift because fault can not be travelled, car is too small away from level position, gravitational difference, only open band-type brake car cannot automatic moving in the situation that, by a rescue group, by operate this device outward at hoistway, the part quality of lift car side is removed, the gravitational difference of traction sheave both sides is increased to be enough to overcome the damping that stops car to move, and lift car just can be moved upward to the most suitable position that passenger can be rescued voluntarily; Deliverance apparatus of the present invention can be arranged on the machine-roomless lift that meets China's current standard, its structure and operation measure, without conflicting, can play the practical function that machine-roomless lift is carried out to Quick rescue with the original control system of elevator, existing elevator technology standard and statute.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation with the optimum embodiment of machine-roomless lift deliverance apparatus of the present invention.
Fig. 2 is the schematic diagram with indicating circuit in machine-roomless lift deliverance apparatus of the present invention.
Fig. 3 is the schematic diagram with control circuit in machine-roomless lift deliverance apparatus of the present invention.
In figure 1: liquid storage container; 1-1: filling opening; 1-2: vent; 1-3: liquid level tube; 1-4: liquid outlet; 2: port lid; 3: electromagnetic valve; 100: car;
P+, N-: the DC supply for emergency that elevator intercom system carries;
UPS: power-off output AC power source;
ZMQ: rescue inductor;
DZMQ: the car indicator lamp that puts in place;
R: resistance;
TDJ: power-off relay;
SRP: maintenance rotor switch;
YJA1: rescue button switch;
T: slug relay;
B: voltage transformer;
ZL4: rectifier bridge;
L1: the band-type brake coil that adopts direct supply;
L2: employing source of AC, the band-type brake coil that rated voltage is different from UPS output voltage;
L3: the band-type brake coil that rated voltage is consistent with UPS output voltage;
YJA2: tapping button;
M: the coil of electromagnetic valve.
L: the live wire of elevator supply regular power power supply;
N: the zero line of elevator supply regular power power supply.
The specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, basic structure of the present invention is only described in a schematic way, so it only show the formation relevant with the present invention.
As shown in Figure 1, be a kind of machine-roomless lift with machine-roomless lift deliverance apparatus of the present invention.Described machine-roomless lift adopts permanent-magnet synchnorous gearless dragging machine, there is car 100 and counterweight, described towing machine is with band-type brake, described machine-roomless lift deliverance apparatus, comprise power-off output AC power source UPS, rescue control circuit and the liquid storage container 1 that is arranged on described car 100 tops, described liquid storage container 1 has filling opening 1-1, liquid outlet 1-4, liquid level tube 1-3 and vent 1-2, filling opening 1-1 upper cover has port lid 2, described liquid outlet 1-4 is provided with the electromagnetic valve 3 opening and closing for controlling liquid outlet, described electromagnetic valve 3 is controlled by rescue control circuit, described rescue control circuit is powered by power-off output AC power source UPS.Described power-off output AC power source UPS two ends are respectively with live wire end L and the zero line side N of the supply regular power power supply of described machine-roomless lift and connect.
As shown in Figure 3, described rescue control circuit comprises the control circuit by described power-off output AC power source UPS power supply,
Described control circuit comprises
Power-off relay TDJ: comprise power-off relay coil and power-off relay normally closed contact, described power-off relay coil two ends and elevator supply regular power both ends of power also connect, and described power-off relay normally closed contact is connected in series with power-off output AC power source UPS;
Rescue button switch YJA1: be connected in series with the normally closed contact of power-off relay;
The T of slug relay: comprise slug relay's coil and slug relay's normally closed contact, described slug relay coil has A1 end and A2 end, one end of A2 end and power-off output AC power source UPS also connects, A1 end is with the other end of power-off output AC power source UPS and connect after power-off relay normally closed contact and rescue button switch YJA1, and described slug relay normally closed contact is connected in series with power-off output AC power source UPS;
Tapping button YJA2;
Band-type brake coil; With
The coil M of described electromagnetic valve: after being connected in series with tapping button YJA2, with the two ends of described slug relay coil and connect.
In described control circuit, described band-type brake coil L3 is connected in series with described power-off output AC power source UPS; Or in described control circuit, described band-type brake coil L2 connects with described power-off output AC power source UPS by voltage transformer B; Or in described control circuit, described band-type brake coil L1, by voltage transformer B and rectifier ZL4, connects with described power-off output AC power source UPS.
Described band-type brake coil: according to the situation of its rated voltage, adopt following (a)～(d) a certain in method, be connected in series mutually with power-off output AC power source;
(a) when band-type brake coil adopts the output voltage of source of AC, its rated voltage and power-off output AC power source consistent, the normally closed contact of band-type brake coil and power-off relay, overhaul rotor switch, rescue button switch, the normally closed contact of slug relay, power-off output AC power source be connected in series mutually;
(b) when band-type brake coil adopts the output voltage of source of AC, its rated voltage and power-off output AC power source inconsistent, the normally closed contact of band-type brake coil by voltage transformer and power-off relay, overhaul rotor switch, rescue button switch, the normally closed contact of slug relay, power-off output AC power source be connected in series mutually;
(c) when band-type brake coil adopts the output voltage of direct supply, its rated voltage and described power-off output AC power source inconsistent, band-type brake coil, by voltage transformer and rectifier, is connected in series mutually with normally closed contact, maintenance rotor switch, rescue button switch, the normally closed contact of slug relay, the power-off output AC power source of power-off relay;
(d) when band-type brake coil adopts the output voltage of direct supply, its rated voltage and described power-off output AC power source identical, band-type brake coil, by rectifier, is connected in series mutually with normally closed contact, maintenance rotor switch, rescue button switch, the normally closed contact of slug relay, the power-off output AC power source of power-off relay.
In Fig. 3, only provided the connection mode of band-type brake coil in (a) and (b), (c) three kinds of situations.
When elevator has electricity, described power-off output AC power source UPS charges and no-output.Maintenance rotor switch SRP is carried by described machine-roomless lift.When the normally closed contact connection of elevator power-off, power-off relay TDJ, maintenance rotor switch SRP set, rescue button switch YJA1 are pressed, the time delay of the T of slug relay disconnects normally closed contact in on-state, and the source of AC of described power-off output AC power source UPS output is opened band-type brake.
The no-load voltage ratio of voltage transformer B, according to recently determining of the rated voltage of the output voltage of described power-off output AC power source UPS and band-type brake coil.
The effect of the T of slug relay, is to prevent from can not meeting factor cause increasing gravitational difference and can not make car 100 move (elevator is subject to improper clamping stagnation) in the situation that, and band-type brake coil damages because of long time remaining energising.
The time-delay action of the T of slug relay presets by the requirement of " within this time, the distance that car 100 can automatic moving is 1/2 times～1 times of elevator maximal contiguous interlamellar spacing ".
After the normally closed contact of elevator primary power source de-energizes, power-off relay TDJ is connected, maintenance rotor switch SRP is set, rescues button YJA1 and be pressed, in time-delay action, band-type brake is opened; Surpass time-delay action, the input power of band-type brake is cut off, band-type brake coil losing electricity, and band-type brake is by car 100 stops.
If car 100 is once mobile, fail to reach the needed position of rescue, if after rescue button YJA1 is unclamped again by once, just can make car 100 move up once again.
The effect of tapping button YJA2:
(a) during rescue group's manual unlocking band-type brake, if the gravitational difference of elevator traction sheave both sides is enough to overcome the damping that stops car 100 to move, before operation second portion circuit, lift car 100 just can automatic moving, but mobile direction is uncertain, may make progress, also may be downwards.
In the situation that car 100 moves down voluntarily, if rescue group emits liquid, may make on the contrary car 100 become and can not move.Note is set the tapping button YJA2 of warning mark, can prevent the tapping of rescue group's mistake.
(b) in the situation that must tapping just can making car 100 move, if unclamp band-type brake, press tapping button YJA2, until lift car 100, start after mobile to unclamp in time tapping button YJA2, can reduce to rescue after stranded passenger the work capacity to liquid storage container 1 fluid infusion.
Described machine-roomless lift has at least one car position inductor and talkback unit, and described talkback unit is with DC supply for emergency; As shown in Figure 2, described rescue control circuit also comprises indicating circuit, and described indicating circuit is powered by described DC supply for emergency, and comprises
Rescue inductor ZMQ: be arranged on the top of the car position inductor of all described elevators, and be normal open switch, connect with described power-off relay normally closed contact;
The car indicator lamp DZMQ that puts in place: ZMQ connects with rescue inductor.
When elevator has electricity, the normally closed contact of power-off relay TDJ disconnects, no matter whether rescue inductor ZMQ connects, the car indicator lamp DZMQ that puts in place can not light.The in the situation that of elevator power-off, the normally closed contact of power-off relay TDJ is connected; When moving up, car 100 enters while opening the door district, rescue inductor ZMQ recognizes position element, its passive switch contacting, and the car indicator lamp DZMQ that puts in place lights, to rescue group, send and should unclamp immediately rescue button YJA1, make band-type brake coil losing electricity with the prompting of stop car.
If car puts in place, the rated voltage of indicator lamp DZMQ is consistent with the voltage of DC supply for emergency P+, N-, cancels resistance R.If car puts in place, the rated voltage of indicator lamp DZMQ is lower than the voltage of DC supply for emergency P+, N-, and setting can make it obtain the resistance R of rated voltage.
During rescue, if indicating circuit has fault, rescue group sees through the inspection door on the handle side of declutching and estimates the mark on traction steel-cable, also can judge whether lift car 100 has moved to the district of opening the door.
Adopt the rescue mode of described machine-roomless lift deliverance apparatus, before elevator puts into operation, described electromagnetic valve 3 is in closed condition, pack liquid into liquid storage container 1, in described liquid storage container 1, the initial mass of the liquid that fills is: elevator power-off, be not subject to improper clamping stagnation, but open after band-type brake, in the irremovable situation of car 100, by be no more than 95% the liquid that fills from car 100 sides are removed, car 100 can move up voluntarily; Liquid storage container 1 and liquid quality are wherein a part for lift car total mass.The quality of Elevator weight sensor side is according to relevant technical standard, be configured according to car total mass and the nominal payload of elevator.
When machine-roomless lift because fault can not be travelled, car is during away from level position, rescue group, before rescuing, first disconnects the main power switch in elevator control cabinet; Then, operation according to the following steps:
(1) be manually wrenched the handle that declutches, unclamp band-type brake;
(2) if car can automatic moving, until car, move to opening the door during district of floor nearby, the handle that will declutch unclamps, and band-type brake is braked again, on the floor at car place, by triangular key, Room door and the gate of elevator are opened, stranded passenger is rescued in car;
If car cannot move, the handle that will declutch unclamps, and band-type brake is braked again; Then, execution step (3);
The described district of opening the door, refers to when car is positioned at this region, if elevator in normal working, elevator door-motor can drive gate and Room door simultaneously; If elevator power-off, rescue group can, on the elevator floor stops of car place floor, open layer door and the gate of elevator by triangular key;
(3) press described rescue button switch, band-type brake is opened once again;
(4) press described tapping button, the liquid in liquid storage container is emitted, when car can be made progress voluntarily, unclamp tapping button; The liquid being released, is discharged pit by the freeing arrangement being arranged in elevator hoistways pit;
If execution step (3) and (4) once still can not make car be moved upward to voluntarily the district of opening the door of floor nearby, return to step (3), until car is moved upward to the district of opening the door of floor nearby voluntarily;
(5) car is moved upward to and opens the door behind district, and rescue group unclamps rescue button and the handle that declutches, and makes brake sticking brake, opens Room door and the gate of elevator on the floor at car place by triangular key, and stranded passenger is rescued in car.
(6) until elevator reparation to can inspection travel time, lift car inspection travel, to bottom, to fluid infusion in described liquid storage container to described initial mass, is repaired elevator to normal condition.
The above-mentioned foundation desirable embodiment of the present invention of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention is not limited to the content on specification sheets, must determine its technical scope according to claim scope.
Claims (11)
1. a machine-roomless lift deliverance apparatus, be used for adopting permanent-magnet synchnorous gearless dragging machine, the machine-roomless lift with car and counterweight, described towing machine is with band-type brake, it is characterized in that: comprise power-off output AC power source, rescue control circuit and the liquid storage container that is arranged on described car top or bottom, described liquid storage container has filling opening, liquid outlet and vent, described liquid outlet is provided with the electromagnetic valve opening and closing for controlling liquid outlet, described electromagnetic valve is controlled by rescuing control circuit, described rescue control circuit is powered by power-off output AC power source, described power-off output AC power source two ends are respectively with live wire end and the zero line side of the supply regular power power supply of described machine-roomless lift and connect.
2. machine-roomless lift deliverance apparatus as claimed in claim 1, is characterized in that: on described liquid storage container, be also provided with liquid level tube.
3. machine-roomless lift deliverance apparatus as claimed in claim 1, is characterized in that: described rescue control circuit comprises the control circuit by described power-off output AC power source power supply,
Described control circuit comprises
Power-off relay: comprise power-off relay coil and power-off relay normally closed contact, described power-off relay coil two ends and elevator supply regular power both ends of power also connect, and described power-off relay normally closed contact is connected in series with power-off output AC power source;
Rescue button switch: be connected in series with the normally closed contact of power-off relay;
Slug relay: comprise slug relay's coil and slug relay's normally closed contact, described slug relay coil has A1 end and A2 end, one end of A2 end and power-off output AC power source also connects, A1 end is with the other end of power-off output AC power source and connect after power-off relay normally closed contact and rescue button switch, and described slug relay normally closed contact is connected in series with power-off output AC power source;
Tapping button;
Band-type brake coil; With
The coil of described electromagnetic valve: after being connected in series with tapping button, with the two ends of described slug relay coil and connect.
4. machine-roomless lift deliverance apparatus as claimed in claim 3, is characterized in that: in described control circuit, described band-type brake coil is connected in series with described power-off output AC power source.
5. machine-roomless lift deliverance apparatus as claimed in claim 3, is characterized in that: in described control circuit, described band-type brake coil is connected with described power-off output AC power source by voltage transformer or rectifier.
6. machine-roomless lift deliverance apparatus as claimed in claim 3, is characterized in that: in described control circuit, described band-type brake coil, by voltage transformer and rectifier, is connected with described power-off output AC power source.
7. the machine-roomless lift deliverance apparatus as described in any one in claim 4-6, is characterized in that: at least one car position inductor is installed on described car, and described rescue control circuit also comprises indicating circuit, and described indicating circuit comprises
Rescue inductor: be arranged on the top of the car position inductor of all described elevators, and be normal open switch, connect with described power-off relay normally closed contact;
The car indicator lamp that puts in place: connect with rescue inductor.
8. machine-roomless lift deliverance apparatus as claimed in claim 7, is characterized in that: described machine-roomless lift has talkback unit, and described talkback unit is with DC supply for emergency, and described indicating circuit is powered by described DC supply for emergency.
9. machine-roomless lift deliverance apparatus as claimed in claim 7, is characterized in that: described indicating circuit also comprises for making the described car indicator lamp that puts in place can obtain the resistance of rated voltage.
10. adopt the rescue mode of the machine-roomless lift deliverance apparatus as described in any one in claim 3-9, it is characterized in that:
Before elevator puts into operation, described electromagnetic valve is in closed condition, pack liquid into liquid storage container, in described liquid storage container, the initial mass of the liquid that fills is: elevator power-off, be not subject to improper clamping stagnation, but open after band-type brake, in the irremovable situation of car, by be no more than 95% the liquid that fills from cage side is removed, car can move up voluntarily;
When machine-roomless lift because fault can not be travelled, car is during away from level position, rescue group, before rescuing, first disconnects the main power switch in elevator control cabinet; Then, operation according to the following steps:
(1) be manually wrenched the handle that declutches, unclamp band-type brake;
(2) if car can automatic moving, until car, move to opening the door during district of floor nearby, the handle that will declutch unclamps, and band-type brake is braked again, opens Room door and the gate of elevator on the floor at car place with key, and stranded passenger is rescued in car;
If car cannot move, the handle that will declutch unclamps, and band-type brake is braked again; Then, execution step (3);
The described district of opening the door, refers to when car is positioned at this region, if elevator in normal working, elevator door-motor can drive gate and Room door simultaneously; If elevator power-off, rescue group can, on the elevator floor stops of car place floor, open layer door and the gate of elevator with key;
(3) press described rescue button switch, band-type brake is opened once again;
(4) press described tapping button, the liquid in liquid storage container is emitted, until car can move up voluntarily time, unclamps tapping button;
If execution step (3) and (4) once still can not make car be moved upward to voluntarily described in the district of opening the door of floor nearby, return to step (3), until car be moved upward to voluntarily described in the district of opening the door of floor nearby;
(5) car be moved upward to described in opening the door behind district of floor nearby, rescue group unclamps rescue button and the handle that declutches, and makes brake sticking brake, opens Room door and the gate of elevator on the floor at car place with key, and stranded passenger is rescued in car;
(6) until elevator reparation to can inspection travel time, lift car inspection travel, to bottom, to fluid infusion in described liquid storage container to described initial mass, is repaired elevator to normal condition.
11. 1 kinds have the machine-roomless lift of machine-roomless lift deliverance apparatus as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310456653.6A CN103523626A (en) | 2013-09-29 | 2013-09-29 | Rescue device and method of machine-room-less lift and machine-room-less lift with rescue device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310456653.6A CN103523626A (en) | 2013-09-29 | 2013-09-29 | Rescue device and method of machine-room-less lift and machine-room-less lift with rescue device |
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| CN103523626A true CN103523626A (en) | 2014-01-22 |
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| CN201310456653.6A Pending CN103523626A (en) | 2013-09-29 | 2013-09-29 | Rescue device and method of machine-room-less lift and machine-room-less lift with rescue device |
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| CN104386554A (en) * | 2014-09-16 | 2015-03-04 | 苏州菱怡电梯有限公司 | Elevator power-failure level floor device |
| CN108689272A (en) * | 2017-03-29 | 2018-10-23 | 株式会社日立大厦系统 | Flat bed running gear when elevator power failure |
| CN109928287A (en) * | 2019-04-15 | 2019-06-25 | 广州广日电梯工业有限公司 | A kind of machine-roomless lift emergency rescue system and its method |
| CN110540117A (en) * | 2019-04-03 | 2019-12-06 | 浙江梅轮电梯股份有限公司 | remote testing device for machine-room-less brake |
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| CN110540117B (en) * | 2019-04-03 | 2024-06-11 | 浙江梅轮电梯股份有限公司 | Remote testing device for non-machine room brake |
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| CN109928287B (en) * | 2019-04-15 | 2023-09-29 | 广州广日电梯工业有限公司 | Emergency rescue system and method for elevator without machine room |
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