CN102471020A - Control device for elevator - Google Patents
Control device for elevator Download PDFInfo
- Publication number
- CN102471020A CN102471020A CN2009801603770A CN200980160377A CN102471020A CN 102471020 A CN102471020 A CN 102471020A CN 2009801603770 A CN2009801603770 A CN 2009801603770A CN 200980160377 A CN200980160377 A CN 200980160377A CN 102471020 A CN102471020 A CN 102471020A
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- door
- elevator
- car
- open
- brake
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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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- 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
- B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door
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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
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Control (AREA)
Abstract
Disclosed is an elevator device provided with two or more sets of electromagnetic brakes, the elevator device having improved convenience and preventing passengers from being trapped therein as much as possible. Specifically, an elevator device is provided with a plurality of electromagnetic brakes, a plurality of brake switches which individually detect an open/closed state, a door openable zone detector, and a control unit which controls the release/application of the plurality of electromagnetic brakes by outputting/interrupting a brake release command and controls the opening/closing of a door by outputting a door opening/closing command on the basis of the result of the detection by the door openable zone detector, wherein when not being able to detect that at least one or more brake switches among the plurality of brake switches are brought into a closed state but being able to detect that a predetermined number or more of brake switches thereamong are brought into the closed state although a brake application command is outputted after the arrival at the floor, the control unit outputs the door closing command after outputting the door opening command for a predetermined period of time, and thereafter stops the service of the elevator.
Description
Technical field
The present invention relates to elevator control device, be used for producing under the unusual situation and also can carry out the good running of convenience at drg.
Background technology
Existing first elevator control device has drg, drg not operation detection circuit, the bad testing circuit of work and running circuit; Detecting under the drg action condition of poor; This control setup makes car move (for example, with reference to patent documentation 1) according to load.Specifically, drg carries out work according to braking instruction, retrains the action of car drive motor.Drg not operation detection circuit detects the out-of-run situation of drg.But although work bad testing circuit to send the braking instruction drg not the operation detection circuit state that carries out work (being that drg is not worked) detect.Running circuit makes car move to the bottom according to the detection signal of the bad testing circuit of this work when load is heavier, and car is moved to top layer.
In addition, as existing second kind of elevator control device, exist in and detect the control setup (for example, with reference to patent documentation 2) that the running that makes elevator under the situation of skidding that has produced magnet stopper stops.Specifically, when car rested against floor, from control setup output braking instruction, contact broke off thereupon, and restraining coil is by demagnetization, its result, and magnet stopper begins braking maneuver.Detected permanent-magnet synchronous electric motor by brake switch by the magnet stopper glancing impact, power-converting device cuts off the electric power that offers electrical motor.And, to from schedule time of electrical motor bonded assembly pulse generator in impulse singla count, surpass predefined skidding in this count value and detect under the situation of predetermined value, detect to having produced skidding of magnet stopper.And, after detecting magnet stopper unusual, stop the running of elevator.
In addition, as existing the third elevator control device, exist in the control setup (for example, with reference to patent documentation 3) that prevents the passenger is brought danger under the situation that detects slip/stick movement.Specifically, the detecting unit that skids is set in control unit, when the electric power instruction was cut off and has exported braking instruction, this detecting unit that skids detected the slip/stick movement of car according to gait of march.Thus, the exceptional value according to gait of march when car stops and stopping layer detects under the situation of slip/stick movement, can prevent the passenger is brought danger.
Technical literature formerly
Patent documentation
Patent documentation 1: No. 1316612 communique of Japanese Patent
Patent documentation 2: TOHKEMY 2005-170551 communique
Patent documentation 3: No. 2635257 communique of Japanese Patent
Summary of the invention
The problem that invention will solve
But there is following problem in prior art.
In existing first kind of elevator control device of patent documentation 1; Show following such example; Utilize drg not the operation detection circuit detect the out-of-run situation of drg, detect unusual after, after instruction is closed the door in output, advance to terminal floor and make the elevator fail to start.That is, this existing first kind of elevator control device is detecting under the unusual situation of drg, closes the door and makes elevator advance to predetermined floor to make the processing of elevator fail to start then, thereby the stranded possibility of passenger is arranged when in car, having the passenger.
But, in lift appliance, exist a part of magnet stopper to take place also can only utilize the magnet stopper of normal operation to keep the static situation of car when unusual even think with at least two group magnet stoppers.So, in this case, preferably make the elevator fail to start under the passenger behind the elevator making.
In addition, in existing second kind of elevator control device of patent documentation 2,, also exist the brake switch that the working of brakes state is detected or not the situation of arrester close even think under situation with the magnet stopper more than two groups.So, in this case, in this existing second kind of elevator control device, also can cause the passenger to be trapped in the car and cause the problem of convenience difference.
In addition, in existing the third elevator control device of patent documentation 3, use the signal of rotation detector to detect skidding of drg.In this case, can detect the forfeiture of braking torque reliably.But, do not consider the operating state of the brake switch of direct detection working of brakes state.
The present invention proposes in order to address the above problem just, and its purpose is the lift appliance that provides a kind of convenience good in the lift appliance with the magnet stopper more than two groups, can prevent as much as possible that the passenger is trapped in the car.
The means that are used to deal with problems
Elevator control device of the present invention has: a plurality of magnet stoppers, and it is located at traction motor independently, and each magnet stopper has independently restraining coil and the actuating mechanism that is used for static maintenance; A plurality of brake switches, it detects a plurality of magnet stoppers open and-shut mode separately respectively; The area detector that opens the door, its detection is equivalent to the zone of opening the door of the opened and closed scope of car door; And control part; Whether its output/cut-out is used to switch braking from electric current to a plurality of magnet stoppers restraining coil separately that flow through and releases order; Thus a plurality of magnet stoppers are carried out open and close controlling; And export to open the door according to the testing result of the area detector that opens the door and instruct/close the door instruction, carry out the open and close controlling of door thus, although control part output close the door instruction during in and produced that to be detected by the area detector that opens the door be to open the door when having cut off braking behind the zone and releasing order, be directed against at least more than one brake switch in a plurality of brake switches and fail to detect the state that is in closure state; Brake switch more than the predetermined quantity in detecting a plurality of brake switches is under the situation of closure state; Open the door after instruction reaches the schedule time in output, the output instruction of closing the door stops the service of elevator then; Brake switch failing to detect more than the predetermined quantity in a plurality of brake switches is under the situation of closure state, stops the service of elevator at once.
The invention effect
According to elevator control device of the present invention; Even at least more than one the brake switch having produced in a plurality of brake switches fails to detect under the situation that is in closure state; Also can carry out under the situation of work being judged to be the magnet stopper that can keep the static number of car; Stopping the action of opening the door before the passenger services, can be implemented in thus and prevent as much as possible in the lift appliance with two groups of above magnet stoppers that the passenger is trapped in the interior good elevator control device of convenience of car.
Description of drawings
Fig. 1 is the integral structure figure of the elevator control device of expression embodiment 1 of the present invention.
Fig. 2 is the diagram of circuit of action that is used to explain the elevator control device of embodiment 1 of the present invention.
Fig. 3 is the integral structure figure of the elevator control device of expression embodiment 2 of the present invention.
Fig. 4 is the diagram of circuit of action that is used to explain the elevator control device of embodiment 2 of the present invention.
The specific embodiment
Below, use accompanying drawing that the preferred implementation of elevator control device of the present invention is described.In addition, below in order to be easy to explanation, as the example of a plurality of magnet stoppers independently, the elevator control device when having two groups of magnet stoppers describes.
Fig. 1 is the integral structure figure of the elevator control device of expression embodiment 1 of the present invention.In Fig. 1, in the hoistway of elevator, dispose car 1, car 1 is controlled so as to stopping at each floor 2.Dispose the gate control portion 3 of the switching of control car door (not shown) at car 1.And, dispose the area detector 4 that opens the door at car 1, the zone of opening the door that this 4 pairs of area detector that open the door is equivalent to the opened and closed scope of car door is detected, in hoistway to dispose check-out console 5 with the area detector 4 opposed modes of opening the door.
Be provided with towing machine in the machine room above hoistway with traction motor 6.Main rope 8 is being connected car 1 and counterweight 9 respectively by on the driving rope sheave 7 on the axle of being located at traction motor 6 at the two ends of main rope 8.And, on the axle of traction motor 6, pulse generator 10 is installed.And, be provided with respectively independently the 1st magnet stopper 11 and the 2nd magnet stopper 13 at traction motor 6.
The 1st magnet stopper 11 and the 2nd magnet stopper 13 have: brake shoe 11a, 13a, and it utilizes the power of spring (not shown) that traction motor 6 is braked; And restraining coil 11b, 13b, it attracts brake shoe 11a, 13a respectively and brake off independently by excitation the time.And, be provided with the 1st brake switch 12 and the 2nd brake switch 14 of the action that detects brake shoe 11a, 13a respectively independently.
Restraining coil 11b, 13b are connected with direct supply 17 via normal opened contact 15a, 15b and 16a, the 16b of electromagnetic contactor (not shown).At this, release order under the state of Bs1, Bs2 having exported braking, electromagnetic contactor becomes excited state; Thereby normal opened contact 15a, 15b and 16a, 16b are closed; Its result, restraining coil 11b, 13b become excited state, and drg becomes (OFF) state of not working.On the contrary, do not exporting under the state of braking release order Bs1, Bs2 (that is, being disconnected); Electromagnetic contactor becomes non-excited state, thereby normal opened contact 15a, 15b and 16a, 16b break off its result; Restraining coil 11b, 13b become non-excited state, and drg becomes work (ON) state.
Comprise that the control setup 20 of controlling the 1st magnet stopper 11 and the 2nd magnet stopper 13 single-piece brake control section respectively is made up of microcomputer.This microcomputer has CPU 21, ROM 22, RAM 23, input port 24 and output port 25, and these unit interconnect through bus 26.
Input port 24 is connected with pulse generator 10, brake switch 12,14 and the area detector 4 that opens the door, and CPU 21 can detect the various states of elevator.More particularly, be transfused to input port 24, so that detect the travel condition of car from the output pulse P of pulse generator 10.And, to input port 24 inputs the 1st braking working signal Bd1, brake working signal Bd2 from the 2nd brake switch 14 to input port 24 inputs the 2nd, so that detect braking mode from the 1st brake switch 12.In addition, import floor detection signal Zs from the area detector 4 that opens the door to input port 24, but whether be in open and-shut mode so that detect car door.
On the other hand, output port 25 is connected with the electromagnetic contactor with contact 15a, 15b, 16a, 16b, gate control portion 3 and power-converting device 27.More particularly, when drg is not worked, export the 1st braking release order Bs1 and the 2nd braking Bs that releases order to electromagnetic contactor, so that carry out the working of brakes/control of not working.On the contrary, make drg when work, cutting off the 1st braking the release order Bs and of Bs1 and the 2nd braking that releases order to these instructions of electromagnetic contactor output.
And, export close the door the instruction Dcs and the instruction Dos that opens the door to gate control portion 3, so that carry out the open and close controlling of door.In addition, to power-converting device 27 output torques instruction Ts, so that carry out the speed control of car.And power-converting device 27 is connected with traction motor 6.
Below, a series of actions of the elevator control device of embodiment 1 of the present invention is described.At first molar behavior is described.The control setup 20 that comprises brake control section generates torque instruction Ts, to traction motor 6 three-phase ac power Pm is provided from power-converting device 27, and drives traction motor 6.In addition, it is consistent with speed command signal that control setup 20 is controlled the rotative speed that makes traction motor 6, makes car 1 go up and down to turn round, and this is omitted detailed explanation.
At this moment, also release order Bs1, Bs2 of output braking is so contact 15a, 15b, 16a, 16b are closed.Therefore, restraining coil 11b, 13b are by excitation, and brake shoe 11a, 13a discharge, and discharge traction motor 6.
Below, use flowchart text elevator is normally advanced and is stopped the detailed action of layer when floor 2.Fig. 2 is the diagram of circuit of action that is used to explain the elevator control device of embodiment 1 of the present invention.
In step S1, stop layer behind floor 2 at car 1, in step S2, control setup 20 cuts off braking and releases order Bs so that brake activation.Its result, traction motor 6 is in braking mode as stated.Then, in step S3, whether control setup 20 judges that brake switch 12,14 moves and exported braking working signal Bd, promptly judges whether magnet stopper 11,13 has become braking mode.
Being judged to be brake switch 12,14 when having carried out action, in step S4, control setup 20 cuts off torque instruction Ts, cuts off the supply from the three-phase ac power Pm of power-converting device 27.On the other hand, in step S3, being judged to be brake switch 12,14 when not moving, in step S5, control setup 20 is waited for through getting into step S4 after the schedule times.
Then, in step S6, control setup 20 judges whether brake switch 12,14 all moves.And; All carried out under the situation of action being judged to be brake switch 12,14, control setup 20 is judged to be magnet stopper 11,13 and normally works, in step S7; Area detector 4 has been exported floor detection signal Zs if open the door, and then output is opened the door and instructed Dos to open the door.
On the other hand; In step S6; Under the situation that more than one brake switch in being judged to be brake switch 12,14 does not move (promptly; The state that can not say so and all move), control setup 20 judges that in step S8 whether the brake switch 12,14 of predetermined quantity moves.At this; Predetermined quantity is meant the minimum number that is set at the brake switch that can produce following torque; Under this minimum number; The torque that produces can make magnet stopper keep the load greater than the level of movement (110% load) of elevator overload detecting device, and in car 1 when non-loaded be greater than the torque that can keep car 1, can keep torque than heavy load.In this embodiment 1, be designed to keep the level of movement of overload detecting device, thereby the predetermined quantity of this moment is 1 with a magnet stopper.
In the result of determination of step S8 is that the brake switch of predetermined quantity moves under the situation of (that is, in this embodiment 1, having only any side in the brake switch 12,14 to move), and control setup 20 is judged to be and can keeps car static at least.And in step S9, if the area detector 4 that opens the door has been exported floor detection signal Zs, then control setup 20 outputs are opened the door and are instructed Dos to open the door, and in step S10, make the elevator fail to start then.
In addition; Result of determination at step S8 is not have the brake switch of predetermined quantity moving (promptly; Brake switch 12,14 does not move in this embodiment 1) situation under; Control setup 20 is judged to be and can not keeps car static, not via step S9, and in step S10, makes the elevator fail to start.
Through so a series of processing; Control setup 20 when car 1 stops, exporting braking instruction (; Cutting off braking releases order) after, even be judged to be more than one brake switch when not moving, carry out under the situation of work at the magnet stopper that can keep the static number of car; Elevator opens the door and makes elevator under the passenger, stops service then.
On the other hand, do not move being judged to be more than one brake switch, and the magnet stopper that does not have to keep the static number of car is under the situation of work, control setup 20 does not open the door elevator, and stops passenger services.Its result can provide to prevent to be trapped in the good elevator control device of convenience in the car as far as possible.
As stated; According to embodiment 1; Under the situation that more than one brake switch does not move, control setup carries out under the situation of work being judged to be the magnet stopper that can keep the static number of car, the action of can before stopping passenger services, opening the door.Its result can prevent the passenger is trapped in the car as much as possible, can realize the elevator control device that convenience is good.
The following situation of explanation in this embodiment 2; Promptly on the architecture basics of the illustrated Fig. 1 of in front embodiment 1; Also have the scale device 28 that detects the load in the car 1, come dynamic judgement can keep the number of the static magnet stopper of car according to charge capacity Wg.
Fig. 3 is the integral structure figure of the elevator control device of expression embodiment 2 of the present invention.On the basis of the structure shown in Figure 1 of the lift appliance of this embodiment 2 embodiment 1 in front, also has the scale device 28 that detects the load in the car 1.Other structure is identical with Fig. 1 of fwd embodiment 1, uses diagram of circuit to describe as the center with the scale device that newly appends 28 below.In addition, scale device 28 is connected with input port 24, and CPU 21 can read by scale device 28 detected charge capacity Wg.
Fig. 4 is the diagram of circuit of action that is used to explain the elevator control device of embodiment 2 of the present invention.Compare with the diagram of circuit of Fig. 2 of fwd embodiment 1, in the diagram of circuit of Fig. 4 of this embodiment 2, newly appended step S21～S23, and used step S24 step of replacing S8.Other step is to carry out the action identical with the step of Fig. 2.
When having produced at certain floor under the situation of exhaling ladder; In step S21; Control setup 20 output close the door the instruction Dcs and the action of closing the door after in step S22, obtaining the load in the car 1 from scale device 28, make elevator advance towards destination floor in step S23.
Then, car 1 stops layer behind floor 2 in step S1, and in step S2, control setup 20 cuts off braking and releases order Bs so that brake activation.Its result, as stated, traction motor 6 is in braking mode.Then, in step S3, control setup 20 whether judge brake switch 12,14 move and exported braking working signal Bd, be whether magnet stopper 11,13 becomes braking mode.
Being judged to be brake switch 12,14 when having carried out action, in step S4, control setup 20 cuts off torque instruction Ts, cuts off the supply from the three-phase ac power Pm of power-converting device 27.On the other hand, in step S3, being judged to be brake switch 12,14 when moving, in step S5, control setup 20 is waited for through getting into step S4 after the schedule times.
Then, in step S6, control setup 20 judges whether brake switch 12,14 all moves.And; All carried out under the situation of action being judged to be brake switch 12,14, control setup 20 is judged to be magnet stopper 11,13 and normally works, in step S7; Area detector 4 has been exported floor detection signal Zs if open the door, and then output is opened the door and instructed Dos to open the door.
On the other hand; In step S6; Under the situation that more than one brake switch in being judged to be brake switch 12,14 does not move (promptly; The state that can not say so and all move), control setup 20 judges that in step S24 whether the brake switch 12,14 of predetermined quantity moves.At this; Predetermined quantity is meant to be set to produce compares the minimum number that can keep than the brake switch of the torque of heavy load with following both sides' torque, the torque that these both sides' torque is meant the torque of the load in the car 1 that magnet stopper is remained on obtain among the fwd step S22 and in car 1, can keeps car 1 when non-loaded.That is, in this embodiment 2, come dynamically to confirm predetermined quantity according to the load in the car that is measured to by scale device 28 1.
In the result of determination of step S24 is that control setup 20 is judged to be and can keeps car static at least under the brake switch of the predetermined quantity situation of moving.So in step S9, if the area detector 4 that opens the door has been exported floor detection signal Zs, then control setup 20 outputs are opened the door and are instructed Dos to open the door, and in step S10, make the elevator fail to start then.
In addition, be not have under the situation that the brake switch of predetermined quantity moves in the result of determination of step S24, control setup 20 is judged to be and can not keeps car static, not via step S9, and in step S10, makes the elevator fail to start.
Through so a series of processing; Control setup 20 is braked even be judged to be more than one brake switch after when car 1 stops, exporting braking instruction (, cut off braking release order); Also can be under this two states of the no-load condition behind the elevator under current state that is equipped with the passenger and the passenger; Be judged to be under the situation of having guaranteed to keep the static minimal braking torque of car 1, to open the door make elevator under the passenger, stops service then.
On the other hand; Move and be equipped with under passenger's current state and the passenger under this two states of no-load condition behind the elevator being judged to be more than one brake switch; There is not to keep the magnet stopper of the static number of car to carry out under the situation of work; Control setup 20 does not open the door elevator, and stops passenger services.Its result can provide to prevent to be trapped in the good elevator control device of convenience in the car as far as possible.
As stated; According to embodiment 2; Under the situation that more than one brake switch moves, control setup carries out under the situation of work being judged to be the magnet stopper that can keep the static number of car according to car load, the action of can before stopping passenger services, opening the door.Its result can implement the suitable control corresponding to car load, more can prevent the passenger is trapped in the possibility in the car than fwd embodiment 1, can realize the elevator control device that convenience is good.
Claims (3)
1. elevator control device, it has:
A plurality of magnet stoppers, it is located at traction motor independently, and each magnet stopper has independently restraining coil and the actuating mechanism that is used for static maintenance;
A plurality of brake switches, it detects said a plurality of magnet stopper open and-shut mode separately respectively;
The area detector that opens the door, its detection is equivalent to the zone of opening the door of the opened and closed scope of car door; And
Control part; Whether its output/cut-out is used to switch braking from electric current to said a plurality of magnet stoppers restraining coil separately that flow through and releases order; Thus said a plurality of magnet stoppers are carried out open and close controlling; And export to open the door according to the testing result of the said area detector that opens the door and instruct/close the door instruction, carry out the open and close controlling of door thus
Although said control part output close the door instruction during in and produced detecting by the said area detector that opens the door cut off after being the said zone of opening the door said braking release order, but when failing to detect the state that is in closure state at least more than one the brake switch in said a plurality of brake switches; Brake switch more than the predetermined quantity in detecting said a plurality of brake switch is under the situation of closure state; After the said instruction of opening the door of output reaches the schedule time; Export the said instruction of closing the door; Stop the service of elevator then; Brake switch failing to detect more than the predetermined quantity in said a plurality of brake switch is under the situation of closure state, stops the service of elevator at once.
2. elevator control device according to claim 1, wherein,
The number that said control part will produce the needed MIN magnet stopper of following torque is made as said predetermined quantity; Carry out the open and close controlling of said magnet stopper and the open and close controlling of said door, said torque is meant and can keeps greater than the load of the level of movement of elevator overload detecting device and the torque that can keep the car of no-load condition.
3. elevator control device according to claim 1, wherein,
This control setup also has the scale device that detects the bearing capacity in the lift car,
The number that said control part will produce the needed MIN magnet stopper of following torque is made as said predetermined quantity; Carry out the open and close controlling of said magnet stopper and the open and close controlling of said door, said torque is meant and can keeps by the detected said bearing capacity of said scale device and the torque that can keep the car of no-load condition.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2009/063034 WO2011010356A1 (en) | 2009-07-21 | 2009-07-21 | Control device for elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102471020A true CN102471020A (en) | 2012-05-23 |
| CN102471020B CN102471020B (en) | 2014-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980160377.0A Active CN102471020B (en) | 2009-07-21 | 2009-07-21 | Control device for elevator |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2457861B1 (en) |
| JP (1) | JP5265009B2 (en) |
| KR (1) | KR20120014003A (en) |
| CN (1) | CN102471020B (en) |
| WO (1) | WO2011010356A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607546A (en) * | 2019-10-04 | 2021-04-06 | 奥的斯电梯公司 | System and method configured to identify a condition indicative of electromagnetic brake temperature |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017062383A1 (en) * | 2015-10-07 | 2017-04-13 | Stryker Corporation | Multiple barrel clot removal devices |
| JP6879970B2 (en) * | 2018-03-23 | 2021-06-02 | 株式会社日立ビルシステム | Elevator |
| CN115402895A (en) * | 2021-05-28 | 2022-11-29 | 奥的斯电梯公司 | Band-type brake monitoring circuit system, elevator system and band-type brake monitoring method |
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| JP2635257B2 (en) * | 1991-12-10 | 1997-07-30 | 三菱電機株式会社 | Elevator control device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004018235A (en) * | 2002-06-19 | 2004-01-22 | Mitsubishi Electric Corp | Controller for elevator |
| JP2005126183A (en) * | 2003-10-23 | 2005-05-19 | Mitsubishi Electric Corp | Brake control device for elevator |
| FI119877B (en) * | 2005-08-19 | 2009-04-30 | Kone Corp | Elevator security |
| JP5015169B2 (en) * | 2006-11-21 | 2012-08-29 | 三菱電機株式会社 | Elevator control device |
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2009
- 2009-07-21 CN CN200980160377.0A patent/CN102471020B/en active Active
- 2009-07-21 EP EP09847541.1A patent/EP2457861B1/en active Active
- 2009-07-21 WO PCT/JP2009/063034 patent/WO2011010356A1/en active Application Filing
- 2009-07-21 KR KR20117027930A patent/KR20120014003A/en not_active Application Discontinuation
- 2009-07-21 JP JP2011523498A patent/JP5265009B2/en active Active
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| JPS5387449A (en) * | 1977-01-10 | 1978-08-01 | Mitsubishi Electric Corp | Safety device of elevator |
| JP2635257B2 (en) * | 1991-12-10 | 1997-07-30 | 三菱電機株式会社 | Elevator control device |
| JP2005170551A (en) * | 2003-12-09 | 2005-06-30 | Mitsubishi Electric Corp | Elevator brake control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112607546A (en) * | 2019-10-04 | 2021-04-06 | 奥的斯电梯公司 | System and method configured to identify a condition indicative of electromagnetic brake temperature |
| CN112607546B (en) * | 2019-10-04 | 2023-02-03 | 奥的斯电梯公司 | System and method configured to identify a condition indicative of electromagnetic brake temperature |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2457861A1 (en) | 2012-05-30 |
| JP5265009B2 (en) | 2013-08-14 |
| KR20120014003A (en) | 2012-02-15 |
| CN102471020B (en) | 2014-10-29 |
| JPWO2011010356A1 (en) | 2012-12-27 |
| EP2457861B1 (en) | 2016-08-17 |
| WO2011010356A1 (en) | 2011-01-27 |
| EP2457861A4 (en) | 2015-06-17 |
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