CN1625519A - Elevator control system - Google Patents
Elevator control system Download PDFInfo
- Publication number
- CN1625519A CN1625519A CNA028288017A CN02828801A CN1625519A CN 1625519 A CN1625519 A CN 1625519A CN A028288017 A CNA028288017 A CN A028288017A CN 02828801 A CN02828801 A CN 02828801A CN 1625519 A CN1625519 A CN 1625519A
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- Prior art keywords
- car
- electrical motor
- rotation
- torque
- described car
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
- B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
- B66B1/32—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on braking devices, e.g. acting on electrically controlled brakes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
- B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
- B66B1/30—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
- B66B1/44—Means for stopping the cars, cages, or skips at predetermined levels and for taking account of disturbance factors, e.g. variation of load weight
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Elevator Control (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
An elevator control system for an elevator comprising an electric motor moving a car by rotating a pulley having a main rope for suspending the car and a balance weight wound thereon, a control device for driving the electric motor, an electromagnetic brake for stopping and stationarily holding the car, and an encoder for detecting the rotation of the electric motor, wherein the control device drivingly controls the electric motor so that a torque stopping the rotation of the electric motor can be developed when the car starts to move slightly due to insufficient stationary holding force of the electromagnetic brake while the electromagnetic brake is being operated in such a state that the car stops at a platform and the door of the car for the access of passengers thereto is opened and the rotating angle of the electric motor is detected by the encoder.
Description
Technical field
The present invention relates to apparatus for controlling elevator, this apparatus for controlling elevator is parked under the situation of elevator about a certain floor, the passenger at the car of elevator, when magnet stopper generation mal and car electrical motor is controlled when moving, make it produce the torque that stops car to move usefulness, by the mobile of lift car stopped, more improving passenger's safety.
Background technology
Apparatus for controlling elevator in the past just restarts the drive controlling of electrical motor when magnet stopper generation mal, make car or counterweight run to energy disperser with the speed of safety till, stop then.In this case, the detection that causes car to move to the mal because of magnet stopper is to adopt the tachogenerator of measuring motor speed, do not adopt the detector of the such anglec of rotation measured of coder (for example to open flat 61-86380 communique (the 2nd page to the 3rd page, the 1st figure) with reference to the spy.
Apparatus for controlling elevator in the past is when magnet stopper generation mal, and purpose is to make the car that comprises the passenger to move to safe position, does not have fully to consider in order to ensure the passenger of car in up and down safety car not to be moved.In addition, in order not make car movement, must not to the speed of electrical motor but position of rotation is measured and controlled that this point is not considered yet.
In apparatus for controlling elevator in the past, the problem that exists is to be parked under the state that opens the door of a certain floor at car, just in case the hypodynamic abnormal situation of magnet stopper generation braking moves then car is opened under the state at the maintenance door, and the passenger is caused great danger.
Summary of the invention
The present invention proposes for solving aforesaid problem, even purpose is to obtain also to utilize electrical motor to strengthen braking force when magnet stopper when action the hypodynamic mal of braking takes place, do not make the adventurous apparatus for controlling elevator of passenger.
The objective of the invention is to, when car stops,, further improve safety even, also, guarantee essential static confining force by adopting the driving torque control of electrical motor simultaneously just in case magnet stopper takes place under abnormal situation.
The apparatus for controlling elevator that the present invention is relevant, be at the main rope that comprises suspension craning cab and counterweight, the traction sheave of coiling main rope, make traction sheave rotate and make the electrical motor of car movement, the control setup of driving motor, make car stop the also magnet stopper of static maintenance, and in the elevator of the coder of detection electrical motor rotation, be parked in certain stop at car, and for passenger up and down and under the state that car door is opened, although magnet stopper moves, but because certain mal and the static confining force deficiency of magnet stopper, car begins to move slightly, when detecting the anglec of rotation of electrical motor with aforementioned coder, in order to make car be still in the position of aforementioned stop, aforementioned control setup drive controlling aforementioned electric motivation makes it produce the torque that stops this electrical motor rotation.
Description of drawings
Figure 1 shows that the concise and to the point pie graph of the apparatus for controlling elevator that the embodiment of the invention 1 is relevant.
Figure 2 shows that the concise and to the point pie graph of the apparatus for controlling elevator that the embodiment of the invention 1 is relevant.
Figure 3 shows that the detailed pie graph of the apparatus for controlling elevator that the embodiment of the invention 1 is relevant.
Figure 4 shows that the braking force size of the needed magnet stopper of elevator in the relevant apparatus for controlling elevator of the embodiment of the invention 1.
Figure 5 shows that the turning moment diagram that electrical motor produces in order to stop the electrical motor rotation in the relevant apparatus for controlling elevator of the embodiment of the invention 1.
Figure 6 shows that the turning moment diagram that electrical motor produces in order to stop the electrical motor rotation in the relevant apparatus for controlling elevator of the embodiment of the invention 1.(when electromotor overload is taken measures).
The specific embodiment
Embodiments of the invention below are described with reference to the accompanying drawings.
The apparatus for controlling elevator that the embodiment of the invention 1 is relevant is described with reference to the accompanying drawings.Figure 1 and Figure 2 is the concise and to the point pie graph of the relevant apparatus for controlling elevator of the embodiment of the invention 1.In addition, the same label among each figure is represented same or considerable part.
Figure 1 shows that embodiment, Figure 2 shows that embodiment with 2: 1 baudriers with 1: 1 baudrier.Though the position of both weighting apparatuss 10 is different, does not have big difference in addition.In addition, weighting apparatus 10 not necessarily must be installed in the position of each figure, as long as be installed in the position of the total weight of the passenger that can directly or indirectly measure in the car 1 and goods.Following instruction diagram 1.
In Fig. 1, the car 1 of elevator and counterweight 2 are by 3 suspentions of traction sheave 4 usefulness main ropes.Then, add the weight and the weight balancing of counterweight 2 of the weight gained of the approximate half of staffing passenger on the weight of car 1, but under common running state, the passenger in the car 1 takes always to staffing from nobody and changing, two weight can balance.Therefore, when car 1 is parked in a certain floor, by 5 pairs of traction sheaves 4 of electrical motor acted on overbalance weight be the corresponding torque of unbalance load, magnet stopper 6 action does not then make car 1 move voluntarily, is in static hold mode.
Coder (rotation detector) 7 directly connects with the axle of electrical motor 5, so long as can detect the place of electrical motor 5 or traction sheave 4 rotations, then also can be installed in towing machine 8 Anywhere.In addition, the last detector that moves that also can use detection car 1 is installed on the car, detects its motion.Have again, for coder 7, so long as can detect the device of the anglec of rotation of electrical motor 5 or traction sheave 4, then also can be with other detector such as resolver.
Figure 3 shows that the detailed pie graph of the apparatus for controlling elevator that the embodiment of the invention 1 is relevant.In addition, in Fig. 3, compare with Fig. 1 and Fig. 2, though the installation site difference of weighting apparatus 10 and car position sensor 11 etc., basic comprising is identical.
In Fig. 3, as the corresponding generation impulse singla of coder 7 (rotating signal) of one of rotation detector example use with the rotation of electrical motor 5.Thereby, by to this step-by-step counting, can try to achieve electrical motor 5 or traction sheave 4 rotation amount, be the scaled value of the amount of movement of car 1, also can try to achieve moving velocity in addition according to the origination interval of pulse.
The car position sensor 11 that uses as one of position detector example is the sensors that detect the position of the car 1 in the hoistway of elevator, the position that will (be called flat bed) when stop 12 correctly stops to be as benchmark, the stop position that detects car 1 side-play amount during skew etc. on the rising of hoistway or descent direction.
Door is opened sensor 15 and is arranged on the car 1, is door 13 sensors of opening that detect car 1.
Have again, in Fig. 3, control setup 9 is made of operation control part 901, drive control part 902, car position operational part 903, car speed operational part 904, assist torque amount operational part 905, limiting means 906, braking assist torque control part 907, braking assist torque instruction department 908, battery 909 and circular control part 910.
Car position operational part 903 detects the amount of movement (size) that departs from a reference value according to the rotating signal from coder 7, for example detects the amount of movement of the position when departing from car 1 and stopping.
Car speed operational part 904 detects the moving velocity of car 1 according to the rotating signal from coder 7.
Assist torque amount operational part 905 is according to from the weighing-up wave of weighting apparatus 10 or from the deviation post amount of movement of the car 1 of car position operational part 903, from the moving velocity of the car 1 of car speed operational part 904, calculates to make amount of torque that electrical motor 5 produces as assist torque (with reference to Fig. 5 and Fig. 6).In addition, this assist torque amount operational part 905 surpasses the torque that needs in order to limit so that do not produce, perhaps owing under the effect of this braking assist torque, do not discharge magnet stopper 6, and in electrical motor 5, continue to flow through electric current, therefore have prevent that electrical motor 5 from burning out usefulness motor drive current is limited promptly the in addition limiting means 906 of torque limitation.
The danger signal input that the expression elevator of braking assist torque control part 907 control parts of autokinesis in the future 901 stops to start with, the door that the door 13 of expression car 1 that continue to accept to open from door sensor 15 is opened open signal during, output according to car position operational part 903 or car position sensor 11, the position of the position of judging car 1 when stopping to produce departs from the then instruction that 908 outputs make electrical motor 5 produce the braking assist torque to braking assist torque instruction department.Even this braking assist torque control part 907 also can be exported this instruction when mobile the stopping of car 1, bring into operation up to car 1 after this, perhaps close up to the door 13 of car 1.That is, it is to prevent from stop mode that door is being opened to depart from the instruction that stop position is used at least.Braking assist torque instruction department 908 is accepted the braking assist torque and is instructed, and makes drive control part 902 outputs produce the motor drive current that essential assist torque is used.
Even battery 909 is the electrical storage devices that possess in order also to keep basic function when having a power failure, not only available so-called lead battery also can be with formations such as secondary battery or fuel cells.The battery that this battery 909 is used to self-retention assist torque control part 907 connects signal, is connected supply power with drive control part 902.
The action of the apparatus for controlling elevator that present embodiment 1 is relevant is described with reference to the accompanying drawings.
In the following description, situation about balancing each other with 50% load of the staffing of the weight of counterweight 2 and car 1 is an example.
Figure 4 shows that the graph of a relation of load and unbalance load (counterweight compensation 50%) and the necessary braking force of magnet stopper.
In Fig. 4, % load is to be benchmark (100% load) with the weight of the staffing of car 1 (for example being 10 people among the figure) when taking a lift, and is loaded with the value of the load of how many % in the expression car 1, and it becomes the benchmark of the braking force of expression magnet stopper 6.According to Nippon Standard, magnet stopper 6 must have the ability that can make car 1 safety deceleration and static maintenance to the load of as many as 125%.In addition, according to European standard, mechanical brake as magnet stopper 6 must have two covers, as ability, must have the ability that when 125% load is descended, towing machine 8 is stopped with two cover drgs, lose under the situation of ability at 1 cover drg in addition, must have the ability that when 100% load is descended, towing machine 8 is stopped with single cover drg.
The invention provides a kind of control setup 9, it is characterized in that, be parked in certain stop 12 and for passenger up and down and under door 13 states of opening of car 1 at car 1, although magnet stopper 6 is moving, but make the static confining force deficiency of magnet stopper 6 owing to certain mal, car 1 beginning is moved slightly, when detecting the anglec of rotation of electrical motor 5 with coder 7, in order to make car 1 be still in the position of stop 12, then drive control motor 5, make it produce the torque that stops these electrical motor 5 rotations.
In addition, the invention provides a kind of control setup 9, this control setup 9 is parked in certain stop 12 at car 1, and for passenger up and down and under door 13 states of opening of car 1, although magnet stopper 6 is moving, but make the static confining force deficiency of magnet stopper 6 owing to certain mal, car 1 beginning is moved slightly, when detecting the anglec of rotation of electrical motor 5 with coder 7, at first carry out direct motor drive control, car 1 is returned move to the mobile slightly position before of beginning, in order to make car 1 keep quiescence, carry out direct motor drive control then, make electrical motor 5 produce the torque that stops rotation.
Have again, the invention provides a kind of control setup 9, this control setup 9 is parked in certain stop 12 at car 1, and for passenger up and down and under door 13 states of opening of car 1, because of mal car 1 beginning of magnet stopper 6 is moved slightly, then control and stop moving of car 1 by the torque of electrical motor 5, then when the door 13 of car 1 is closed, remove the torque control of electrical motor 5, at the total weight of car 1 during less than the total weight of counterweight 2, after making car 1 move to the hoistway topmost operation of elevator is stopped, otherwise after making car 1 move to the hoistway foot operation of elevator is stopped.
Have again, the present invention has circular device 16, this circular device 16 is parked under door 13 states of opening of certain stop 12 and car 1 at car 1, because of mal car 1 beginning of magnet stopper 6 is moved slightly, starting stops its torque control of mobile electrical motor 5 slightly, then utilize read out instrument or broadcaster or buzzer phone to circulate a notice of to the passenger in the car 1, allow them be withdrawn into stop 12 from car 1 in the stage that car 1 stops.
Figure 5 shows that the braking force of magnet stopper generation and the graph of a relation of car load capacity.
In Fig. 5, when solid line I represents that car 1 is parked in stop 12, the relation of the load capacity (% load) of braking force that magnet stopper 6 produces and car 1.At the load capacity of car 1 during less than 50% (M point), because the Heavy Weight of counterweight 2, therefore car 1 has been acted on the power of ascent direction, the brake-force balance of the descent direction of the power of this ascent direction and magnet stopper 6, then car 1 maintenance is static.The braking force of the descent direction of electromagnetic system power 6 is to be the situation of empty car at car 1 for maximum.Otherwise, car 1 be capable of carrying a load of 50% (M point) when above, car 1 has been acted on the power of descent direction, the brake-force balance of the ascent direction of the power of this descent direction and magnet stopper 6.
When counting near staffing with the passenger of car 1 below just in case abnormal situation takes place in magnet stopper 6 is the action that example illustrates present embodiment 1.
Make its braking force be in the value of Figure 54 solid line I when following because of magnet stopper 6 mals, car 1 beginning is moved to descent direction.At this moment, the traction sheave 4 of towing machine 8 (or electrical motor 5) has only rotated the angle by the amount of movement decision of car 1, and this rotation amount can detect with coder 7.
Although magnet stopper 6 is moving, but when detecting the rotation of traction sheave 4 with coder 7, the control setup of present embodiment 1 judges that mal has taken place magnet stopper 6, the torque control of starboard motor 5, according to load capacity, make it produce the such braking force of straight line (dotted line II), broken line (dotted line) III or broken line (long and short dash line) IV shown in Figure 5 (torque that electrical motor 5 produces).In order to judge the mal of magnet stopper 6, if not only utilize the rotation of coder 7, also use the output of car position sensor 11, then can improve the judgement precision.
Its result, magnet stopper 6 is as long as the braking force of the difference of generation straight line I and these lines II, III, IV just can make car 1 static maintenance.If the braking force that causes because of the mal of magnet stopper 6 descends the braking force that produces less than the motor torque control of present embodiment 1, then can blocked portion car 1 move.
What kind of value the torque value that motor torque control produces adopts, and can consider has various modes.
Detecting the stage that electrical motor 5 has slight rotation with coder 7, can judge that according to its hand of rotation rising still is the braking force deficiency of which direction of descending.In addition, if deduct the weight of counterweight 2, then owing to obtain the value of unbalance load, so can infer direction and size with quite high precision for static maintenance car 1 necessary braking force from the output valve of weighting apparatus 10.
Also can not use the output of coder 7, if, then can improve precision and redundancy also with the output of the car position sensor 11 of measuring the rise and fall position of car 1 in hoistway.
The torque value that adds to electrical motor 5 for the rotation that stops electrical motor 5 is the value according to the unbalance load of measuring with weighting apparatus 10, produces the method for the braking force that is equivalent to the unbalance load part like that with electrical motor 5 just like the straight line II of Fig. 5; As broken line III, when bearing load is in dead band between the B of an A and point, do not produce braking force, produce the method for braking forces in zone in addition according to unbalance load with electrical motor 5; Perhaps produce the method etc. of the braking force (C point) of positive and negative each certain value with electrical motor 5 with the zone beyond in the dead band as broken line IV.
Even when not having weighting apparatus 10, also can carry out computing according to the direction, size (amount of movement) and the moving velocity that move slightly with coder 7 detected cars 1, produce the such braking force of broken line IV of Fig. 5 with electrical motor 5.Certainly, and best with the method for the output of the output of weighting apparatus 10 and coder 7.
Figure 6 shows that the graph of a relation of the load capacity of braking force that magnet stopper produces and car.
When using electrical motor 5 generation braking forces, in order not make electrical motor 5 overloads, utilize the limiting means 906 of control setup 9 to be limited, the feasible braking force that produces as shown in Figure 6 is not in more than the P or puts below the Q.
When utilizing the motor torque of present embodiment to be controlled to confirm car 1 to be in a safe door start-stop to end state, also can under the control of the circular control part 910 of control setup 9, utilize circular device 16, notify the passenger to withdraw from from car 1 in advance.
Control in the torque that utilizes electrical motor 5 and to stop after car 1 moves, if confirming the door 13 of car 1 closes, then for the mal of magnet stopper 6 is handled, even remove the torque control of electrical motor 5, car 1 is moved to till the perch of car 1, and this point is very important.Then, should make elevator out of service certainly.
Present embodiment does not just possess this function when the power supply of control setup 9 has a power failure.For fear of this situation, control setup 9 has the battery 909 of prevention power down, takes measures to make it also to have this function when having a power failure.
Industrial applicability
The apparatus for controlling elevator that the present invention is relevant, as mentioned above, owing to being parked in certain stop at car and being Passenger up and down and under the state that car door is opened, although electromagnetic brake moves because certain Undesired and make the static confining force deficiency of electromagnetic brake, car begins slight movement, detects with encoder When going out the anglec of rotation of motor, then utilize control device to drive control aforementioned electric motivation, it is produced stop The torque of aforementioned electric motivation rotation, the effect that therefore has are to produce even can access a kind of electromagnetic brake Give birth to the hypodynamic undesired aforementioned electric motivation of still utilizing of braking and strengthen brake force, do not make the passenger adventurous Apparatus for controlling elevator.
Claims (10)
1. an apparatus for controlling elevator is characterized in that having
Make the traction sheave rotation of the main rope of coiling suspension craning cab and counterweight, so that the electrical motor of described car movement;
Detect the rotation of described electrical motor and the rotation detector of output rotating signal;
Make described car stop the also drg of static maintenance;
Moving when detecting described electrical motor rotation from the rotating signal of described rotation detector at described drg, the described electrical motor of drive controlling makes it produce the control setup of the torque that stops described rotation.
2. an apparatus for controlling elevator is characterized in that having
Make the traction sheave rotation of the main rope of coiling suspension craning cab and counterweight, so that the electrical motor of described car movement;
Detect the position detector of described car position and outgoing position signal;
Make described car stop the also drg of static maintenance;
When described drg was moving the skew of the described car position that produces according to the rotation that detects from the position signal of described position detector because of described electrical motor, the described electrical motor of drive controlling made it produce the control setup of the torque that stops described rotation.
3. an apparatus for controlling elevator is characterized in that having
Make the traction sheave rotation of the main rope of coiling suspension craning cab and counterweight, so that the electrical motor of described car movement;
Detect the rotation detector of described electrical motor rotation and output rotating signal;
Detect the position detector of described car position and outgoing position signal;
Make described car stop the also drg of static maintenance;
When described drg was moving when detecting described electrical motor rotation from the rotating signal of described rotation detector or detecting the skew of the described car position that the rotation because of described electrical motor produces according to the position signal from described position detector, the described electrical motor of drive controlling made it produce the control setup of the torque that stops described rotation.
4. as each described apparatus for controlling elevator of claim 1～3, it is characterized in that,
Also have be provided with on the described car, detect that described car door is opened and the door that signal left by out gate leaves sensor,
Described control setup is opened signal according to the door of opening sensor from described door, judge that described car is parked in the regulation stop, and for the passenger up and down and described car door is opened, and begin slight when mobile at car described in described drg is moving, the described electrical motor of drive controlling makes it produce the torque that stops described electrical motor rotation.
5. as each described apparatus for controlling elevator of claim 1～4, it is characterized in that,
Described control setup is according to the rotating signal from described rotation detector, tries to achieve at least 1 amount in moving direction, amount of movement and the moving velocity of described car, and is worth according to this and calculates the torque value that stops described electrical motor rotation.
6. as each described apparatus for controlling elevator of claim 1～4, it is characterized in that,
Also have the gross deadweight of measuring described car and the weighting apparatus of exporting weighing-up wave,
Described control setup is tried to achieve the unbalance load value according to the weighing-up wave from described weighting apparatus, and calculates the torque that stops described electrical motor rotation according to this unbalance load value.
7. as each described apparatus for controlling elevator of claim 1～6, it is characterized in that,
Described control setup will stop the absolute value of the torque of described electrical motor rotation to be limited in below the specified value, and described electrical motor can not transshipped.
8. as claim 6 or 7 described apparatus for controlling elevator, it is characterized in that,
Described control setup is parked in the regulation stop and for passenger up and down and under the state that described car door is opened at described car, moving and described car begins slightly to move at described drg, and the torque control by described electrical motor stops described car to move, when described then car door is closed, remove the torque control of described electrical motor, in the gross deadweight of described car during less than the total weight of described counterweight, described car is moved to the topmost of hoistway, and in the gross deadweight of described car during greater than the total weight of described counterweight, described car is moved to the foot of hoistway, make elevator out of service then.
9. as each described apparatus for controlling elevator of claim 1～8, it is characterized in that,
Also have the torque control starting that is provided with on the described car, under the control of described control setup, stop described electrical motor rotation and described car and the passenger in the described car is exported when stopping the circular device of the circular information of regulation.
10. as each described apparatus for controlling elevator of claim 1～9, it is characterized in that,
Described control setup has the electrical storage device of the power supply that the described electrical motor of supply drive controlling is used when having a power failure.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2002/012537 WO2004050523A1 (en) | 2002-11-29 | 2002-11-29 | Elevator control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1625519A true CN1625519A (en) | 2005-06-08 |
Family
ID=32448978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA028288017A Pending CN1625519A (en) | 2002-11-29 | 2002-11-29 | Elevator control system |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1584597A1 (en) |
| JP (1) | JPWO2004050523A1 (en) |
| KR (1) | KR20040099428A (en) |
| CN (1) | CN1625519A (en) |
| WO (1) | WO2004050523A1 (en) |
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| CN101955098A (en) * | 2009-07-15 | 2011-01-26 | 东芝电梯株式会社 | Elevator control gear |
| CN101674996B (en) * | 2007-07-09 | 2012-04-25 | 三菱电机株式会社 | Elevator |
| CN101646619B (en) * | 2007-04-26 | 2012-05-09 | 三菱电机株式会社 | Elevator device |
| CN101687610B (en) * | 2007-06-14 | 2012-07-04 | 三菱电机株式会社 | Elevator |
| CN101765557B (en) * | 2007-07-25 | 2012-07-25 | 三菱电机株式会社 | Elevator |
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| JPS6186380A (en) * | 1984-10-05 | 1986-05-01 | 株式会社日立製作所 | Controller for elevator |
| JPH01247383A (en) * | 1988-03-28 | 1989-10-03 | Mitsubishi Electric Corp | Device for controlling elevator |
| JPH0640677A (en) * | 1992-07-22 | 1994-02-15 | Fuji Electric Co Ltd | Load falling preventer circuit of load lifting gear |
| JPH09221285A (en) * | 1996-02-16 | 1997-08-26 | Mitsubishi Electric Corp | Safety device for elevator |
| JPH11199153A (en) * | 1998-01-16 | 1999-07-27 | Hitachi Building Systems Co Ltd | Diagnostic device for elevator |
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- 2002-11-29 WO PCT/JP2002/012537 patent/WO2004050523A1/en not_active Application Discontinuation
- 2002-11-29 EP EP02785990A patent/EP1584597A1/en not_active Withdrawn
- 2002-11-29 JP JP2004556784A patent/JPWO2004050523A1/en active Pending
- 2002-11-29 CN CNA028288017A patent/CN1625519A/en active Pending
- 2002-11-29 KR KR10-2004-7016208A patent/KR20040099428A/en not_active Application Discontinuation
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20040099428A (en) | 2004-11-26 |
| JPWO2004050523A1 (en) | 2006-03-30 |
| EP1584597A1 (en) | 2005-10-12 |
| WO2004050523A1 (en) | 2004-06-17 |
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