CN101522553B - Elevator apparatus - Google Patents
Elevator apparatus Download PDFInfo
- Publication number
- CN101522553B CN101522553B CN2006800560897A CN200680056089A CN101522553B CN 101522553 B CN101522553 B CN 101522553B CN 2006800560897 A CN2006800560897 A CN 2006800560897A CN 200680056089 A CN200680056089 A CN 200680056089A CN 101522553 B CN101522553 B CN 101522553B
- Authority
- CN
- China
- Prior art keywords
- control unit
- mentioned
- brake equipment
- towing machine
- braking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- 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
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/08—Driving gear ; Details thereof, e.g. seals with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Elevator Control (AREA)
Abstract
In an elevator apparatus, a car is raised and lowered by a plurality of hoisting machines. Braking apparatuses are disposed on the respective hoisting machines. The braking apparatuses are controlled individually by respective brake controlling means. The respective brake controlling means detect states of rotation of the respective hoisting machines during emergency braking, and control braking forces from the respective braking apparatuses in response to the detected states of rotation.
Description
Technical field
The present invention relates to utilize many towing machines to make the lift appliance of 1 car up-down.
Background technology
In recent years, be accompanied by the high stratification of building, pursuit can be moved more passenger's elevator quickly.Relative therewith, the method that car is maximized is arranged, yet, need big torque, the big large-scale towing machine of exporting thus, risings such as manufacturing cost and lifting, erected cost.Relative therewith, proposed not make towing machine to maximize but made the lift appliance (for example, with reference to patent documentation 1) of 1 car up-down with 2 towing machines.
Patent documentation 1: the special fair 7-42063 communique of Japan
In aforesaid existing lift appliance, do not consider 2 towing machines are stopped, dangerous below existing: the action moment of the brake equipment of 2 towing machines is not as expection but departs from; Perhaps the deceleration/decel of car is excessive.
Summary of the invention
The present invention accomplishes for the problem that solves above-mentioned that kind, and its purpose is to obtain the lift appliance that can make many towing machines when emergency braking, slow down more rightly and stop.
Lift appliance of the present invention comprises: many towing machines that have brake equipment respectively; The car that goes up and down through towing machine; And a plurality of brak control units of respectively cooresponding brake equipment being controlled; When emergency braking; Each brak control unit detects the slew mode of cooresponding towing machine, and according to detected slew mode, the braking force of cooresponding brake equipment is controlled.
In addition, lift appliance of the present invention comprises: many towing machines that have brake equipment respectively; The car that goes up and down through towing machine; And the brak control unit that brake equipment is controlled; When emergency braking; Brak control unit detects the slew mode of 1 towing machine wherein, and according to detected slew mode, and the braking force of the brake equipment of the towing machine more than at least 2 is controlled.
In addition, lift appliance of the present invention comprises: many towing machines that have brake equipment respectively; The car that goes up and down through towing machine; And the brak control unit that brake equipment is controlled, when emergency braking, brak control unit detects the motoring condition of car, and according to detected motoring condition, and the braking force of the brake equipment of the towing machine more than at least 2 is controlled.
In addition, lift appliance of the present invention comprises: many towing machines that have brake equipment respectively; The car that goes up and down through towing machine; The brak control unit that brake equipment is controlled; And promptly stop detecting unit to what the generation of urgent halt instruction detected; Promptly stop detecting unit when the generation that detects urgent halt instruction; The brake equipment of at least 1 towing machine is broken off to carry out braking maneuver immediately from brak control unit; When emergency braking, brak control unit is so that become the mode of preset deceleration degree as the deceleration/decel of at least 1 towing machine of controlled object, and the braking force as the brake equipment of the towing machine of controlled object is controlled.
Description of drawings
Fig. 1 is the constructional drawing of the lift appliance of expression embodiment 1 of the present invention.
Fig. 2 is rotative speed when emergency braking of in the towing machine in the presentation graphs 11, deceleration/decel, to the excitation instruction of magnet coil and the electric current time history plot of magnet coil.
Fig. 3 is the constructional drawing of the lift appliance of expression embodiment 2 of the present invention.
Fig. 4 is rotative speed when emergency braking of in the towing machine of lift appliance of expression embodiment 3 of the present invention 1, to the excitation instruction of magnet coil and the electric current time history plot of magnet coil.
Fig. 5 is the constructional drawing of the lift appliance of expression embodiment 4 of the present invention.
Fig. 6 is the constructional drawing of the lift appliance of expression embodiment 5 of the present invention.
Fig. 7 is the constructional drawing of the lift appliance of expression embodiment 6 of the present invention.
Fig. 8 is the constructional drawing of the lift appliance of expression embodiment 7 of the present invention.
The specific embodiment
Below, with reference to accompanying drawing preferred implementation of the present invention is described.
Embodiment 1
Fig. 1 is the constructional drawing of the lift appliance of expression embodiment 1 of the present invention.In the drawings, car 1 is suspended in the hoistway through suspension unit 3 with counterweight 2, and goes up and down through the propulsive effort of first and second towing machines 4,5.Suspension unit 3 comprises at least 1 first main rope 6 and at least 1 second main rope 7.As the first and second main ropes 6,7, use rope or the banded rope of cross section as circle.
Drive on the rope sheave 8 around hanging with the first main rope 6 first.Drive on the rope sheave 12 around hanging with the second main rope 7 second.As first and second brake wheels 10,14, for example use brake disc or brake wheel etc.
First electrical motor 9 is provided with first speed detector 16.Signal from first speed detector 16 is imported in first brak control unit 17.First brak control unit 17 is according to from the signal of first speed detector 16 first brake equipment 11 being controlled.That is, first brak control unit 17 is according to the signal from first speed detector 16, and first magnet coil of first brake equipment 11 is encouraged and deenergization.
Second electrical motor 13 is provided with second speed detector 18.Signal from second speed detector 18 is imported in second brak control unit 19.Second brak control unit 19 is according to from the signal of second speed detector 18 second brake equipment 15 being controlled.That is, second brak control unit 19 is according to the signal from second speed detector 18, and second magnet coil of second brake equipment 15 is encouraged and deenergization.
Fig. 2 is rotative speed when emergency braking of in the towing machine 4,5 in the presentation graphs 11, deceleration/decel, to the excitation instruction of magnet coil and the electric current time history plot of magnet coil.
When the instruction that car 1 is promptly stopped (urgent halt instruction) produces, the energising of electrical motor 9,13 is cut off, and the magnet coil of brake equipment 11,15 is de-energized.At T1 constantly, when deceleration/decel γ surpassed predetermined value (threshold value) γ 0, brak control unit 17,19 made the excitation instruction to magnet coil become conducting (ON).Thus, the braking force of brake equipment 11,15 is reduced, deceleration/decel γ reduces.
After this, at T2 constantly, when deceleration/decel γ was lower than predetermined value gamma 0, brak control unit 17,19 made the excitation instruction to magnet coil become cut-out (OFF).Thus, the braking force of brake equipment 11,15 increases, and deceleration/decel γ increases.
Before the moment T3 that first and second towing machines 4,5 stop, first and second brak control units 17,19 are carried out conducting/cut-out (ON/OFF) action of such excitation instruction independently of one another.Thus, first and second towing machines 4,5 slow down with the deceleration/decel near preset deceleration degree γ 0 and stop.
In such lift appliance; Brak control unit 17,19 when emergency braking according to the slew mode of cooresponding towing machine 4,5, sense deceleration and according to detected deceleration/decel; Therefore braking force to cooresponding brake equipment 11,15 is controlled, and towing machine 4,5 is slowed down more rightly and stops.
Next, Fig. 3 is the constructional drawing of the lift appliance of expression embodiment 2 of the present invention.In the drawings, on first and second brak control units 17,19, be connected with and promptly stop detecting unit 20.Promptly stop detecting unit 20 and detect the generation of urgent halt instruction, and the control of 17,19 pairs of braking forces of first and second brak control units is started synchronously.Other structure is identical with embodiment 1.
In such lift appliance; Owing to make the startup of control action of 17,19 pairs of braking forces of first and second brak control units synchronous through promptly stopping detecting unit 20; So the Tension Difference of the first and second main ropes 6,7 reduces, can prevent the damage of main rope 6,7.
Next, embodiment 3 of the present invention is described.In embodiment 2, the deceleration/decel through 17,19 pairs of towing machines 4,5 of brak control unit detects, and in embodiment 3, and the rotative speed of towing machine 4,5 is detected.Promptly; Brak control unit 17,19 generates the controlled target speed of slowing down with the preset deceleration degree as initial value with the rotative speed of cooresponding towing machine 4,5 when urgent halt instruction produces; And, the braking force of the brake equipment 11,15 of cooresponding towing machine 4,5 is controlled so that the rotative speed of cooresponding towing machine 4,5 is followed the mode of controlled target speed.Other structure is identical with embodiment 2.
Fig. 4 is rotative speed when emergency braking of in the towing machine 4,5 of presentation graphs 11, to the excitation instruction of magnet coil and the electric current time history plot of magnet coil.In the drawings, T1 is the moment that detects the generation of urgent halt instruction constantly, and the rotative speed of the towing machine 4,5 of this moment is V0. Brak control unit 17,19 upper lower limit values with control rate are made as ± and V1, the preset deceleration degree is made as γ, will be made as t from the elapsed time of moment T1, and the computing below carrying out.
V2(t)＝(V0+V1)-γ×t…(1)
V3(t)＝(V0-V1)-γ×t…(2)
Above-mentioned formula 1 is the controlled target speed pattern that becomes the upper limit, and formula 2 is the controlled target speed patterns that become lower limit.
Like this, not deceleration/decel, but braking force is controlled, towing machine 4,5 is slowed down when emergency braking more rightly and stop according to rotative speed according to towing machine 4,5.
Next, Fig. 5 is the constructional drawing of the lift appliance of expression embodiment 4 of the present invention.In the drawings, control through 21 pairs of brake equipments of shared brak control unit 11,15.When emergency braking, the deceleration/decel of 21 pairs second towing machines 5 of brak control unit detects, and according to detected deceleration/decel the braking force of first and second brake equipments 11,15 is controlled.The concrete control method of braking force is identical with embodiment 1.
In such lift appliance; When emergency braking; The deceleration/decel of 21 pairs second towing machines 5 of brak control unit detects; And the braking force of brake equipment 11,15 is controlled, so towing machine 4,5 is slowed down when emergency braking more rightly and stop according to detected deceleration/decel.In addition, owing to used 1 brak control unit 21 with respect to first and second towing machines 4,5, thus can reduce the number of brak control unit 21 and speed detector 18, can cost-cutting.
In addition; In embodiment 4; Come the braking force of brake equipment 11,15 is controlled through the deceleration/decel that detects second towing machine 5, but also can be shown in enforcement mode 3, come the braking force of brake equipment 11,15 is controlled according to the rotative speed of second towing machine 5.
Next, Fig. 6 is the constructional drawing of the lift appliance of expression embodiment 5 of the present invention.In the drawings, control through 22 pairs of brake equipments of shared brak control unit 11,15.When emergency braking, the deceleration/decel under the motoring condition of 22 pairs of cars 1 of brak control unit detects, and according to detected deceleration/decel the braking force of first and second brake equipments 11,15 is controlled.The concrete control method of braking force is identical with embodiment 1.
In addition, brak control unit 22 is according to the signal from speed detector 23, and the deceleration/decel of car 1 is detected, and above-mentioned speed detector 23 produces the cooresponding signal of speed with car 1.Speed detector 23 for example is arranged on the velocity limiter 24.In addition, counterweight is divided into by first counterweight 2a of first main rope 6 suspentions and the second counterweight 2b that is suspended in midair by the second main rope 7.
In such lift appliance; When emergency braking; The deceleration/decel of 22 pairs of cars 1 of brak control unit detects, and according to detected deceleration/decel the braking force of brake equipment 11,15 is controlled, so towing machine 4,5 is slowed down when emergency braking more rightly and stop.
In addition, in embodiment 5, come the braking force of brake equipment 11,15 is controlled through the deceleration/decel that detects car 1, but also can come the braking force of brake equipment 11,15 is controlled according to the moving velocity under the motoring condition of car 1.Under this situation; The controlled target speed that the moving velocity of the car 1 when brak control unit 22 generations produce with urgent halt instruction slows down with the preset deceleration degree as initial value; And, the braking force of brake equipment 11,15 is controlled so that the moving velocity of car 1 is followed the mode of controlled target speed.
Next, Fig. 7 is the constructional drawing of the lift appliance of expression embodiment 6 of the present invention.In the drawings, control through 21 pairs of brake equipments of shared brak control unit 11,15.In addition, between the brak control unit 21 and first brake equipment 11, be provided with control of braking stop element (switch) 25.
On brak control unit 21 and control of braking stop element 25, be connected with and promptly stop detecting unit 26.Promptly stop the generation that detecting unit 26 detects urgent halt instruction, and start the control of 21 pairs of braking forces of brak control unit, and first brake equipment 11 is broken off to carry out braking maneuver immediately from brak control unit 21.When emergency braking, brak control unit 21 is so that become the mode of preset deceleration degree as the deceleration/decel of second towing machine 5 of controlled object, and the braking force of second brake equipment 15 that becomes controlled object is controlled.
In such lift appliance; When emergency braking; The brake equipment 11 of towing machine 4 breaks off to carry out braking maneuver immediately from brak control unit 21; Even therefore the control at 21 pairs of braking forces of brak control unit has taken place under the situation of fault, also can car 1 be stopped more reliably through brake equipment 11.That is, in embodiment 6, the appropriate deceleration method of shutting down of the towing machine 4,5 during as emergency braking has been selected the method for when making towing machine 4 carry out braking maneuver immediately, the deceleration/decel of towing machine 5 being controlled.Therefore, through such control method, towing machine 4,5 is slowed down when emergency braking more rightly and stop.
Next, Fig. 8 is the constructional drawing of the lift appliance of expression embodiment 7 of the present invention.This embodiment 7 is combined by embodiment 5 and embodiment 6.That is, between the brak control unit 22 of embodiment 5 and first brake equipment 11, control of braking stop element 25 is set, when emergency braking, first brake equipment 11 is broken off from brak control unit 22 through promptly stopping detecting unit 26.
Through such lift appliance, towing machine 4,5 is slowed down when emergency braking more rightly and stop.
In addition, brak control unit for example can be made up of the circuit that comprises microcomputer.
In addition, in above-mentioned example, use 2 towing machines, but also can use the towing machine more than 3.
In addition, the generation of urgent halt instruction both can detect by means of the signal from elevator control gear, also can utilize brak control unit to detect independently.For example, can through detect brake shoe to brake wheel near or contact be judged as and produced urgent halt instruction.In addition, although do not reach under the situation of predetermined value, also can be judged as and produce urgent halt instruction at the current value of car speed at the magnet coil of brake equipment more than the predetermined value.
In addition, in above-mentioned example, come sense deceleration or speed by means of the signal of the speed detector that comes to be provided with on comfortable towing machine or the velocity limiter, but also can use the signal of the car speed sensor that is provided with in comfortable car or the hoistway.
In addition, these the two kinds of controls of control of braking the when control of braking when brak control unit can carry out normal operation produces with urgent halt instruction, the control of braking in the time of also can only carrying out urgent halt instruction and produce.In the latter case, the control of braking when carrying out normal operation through the operation control unit, and use the brak control unit that is independent of the operation control unit.
Claims (1)
1. a lift appliance is characterized in that,
Above-mentioned lift appliance comprises:
Many towing machines that have brake equipment respectively;
The car that goes up and down through above-mentioned towing machine;
The brak control unit that above-mentioned brake equipment is controlled; And
Promptly stop detecting unit to what the generation of urgent halt instruction detected,
The above-mentioned detecting unit that promptly stops is when the generation that detects urgent halt instruction, and the above-mentioned brake equipment that makes at least 1 above-mentioned towing machine breaks off carrying out braking maneuver immediately from above-mentioned brak control unit,
When emergency braking, above-mentioned brak control unit is so that become the mode of preset deceleration degree as the deceleration/decel of at least 1 above-mentioned towing machine of controlled object, and the braking force as the above-mentioned brake equipment of the above-mentioned towing machine of controlled object is controlled.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2006/324210 WO2008068839A1 (en) | 2006-12-05 | 2006-12-05 | Elevator apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101522553A CN101522553A (en) | 2009-09-02 |
| CN101522553B true CN101522553B (en) | 2012-02-01 |
Family
ID=39491759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006800560897A Expired - Fee Related CN101522553B (en) | 2006-12-05 | 2006-12-05 | Elevator apparatus |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2058261B1 (en) |
| JP (1) | JP5172695B2 (en) |
| KR (1) | KR101080601B1 (en) |
| CN (1) | CN101522553B (en) |
| WO (1) | WO2008068839A1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009128139A1 (en) * | 2008-04-15 | 2009-10-22 | 三菱電機株式会社 | Elevator device |
| JP2010110080A (en) * | 2008-10-29 | 2010-05-13 | Okuma Corp | Motor control apparatus |
| US20110315487A1 (en) * | 2009-03-16 | 2011-12-29 | Otis Elevator Company | Arrangement of elevator machines |
| CN102325713A (en) * | 2009-04-03 | 2012-01-18 | 三菱电机株式会社 | Elevator device |
| DE102010038432A1 (en) * | 2010-07-26 | 2012-01-26 | Thyssenkrupp Aufzugswerke Gmbh | Elevator control device |
| BR112018008005A2 (en) | 2015-11-02 | 2018-10-30 | Inventio Ag | stepped braking of an elevator |
| CN105460730A (en) * | 2016-01-14 | 2016-04-06 | 张明 | Monitoring and braking system and method used for traction-type elevator |
| DE102019200375A1 (en) * | 2019-01-15 | 2020-07-16 | Thyssenkrupp Ag | Elevator system with a first suspension and a second suspension on a car |
| CN113415701A (en) * | 2021-08-02 | 2021-09-21 | 美迪斯电梯有限公司 | Dual-drive elevator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1134392A (en) * | 1995-03-10 | 1996-10-30 | 英万蒂奥股份公司 | Equipment and method for damping of oscillations at lift cage |
| CN1430573A (en) * | 2001-04-10 | 2003-07-16 | 三菱电机株式会社 | Guide for elevator |
| CN1478716A (en) * | 2002-07-29 | 2004-03-03 | ������������ʽ���� | Vibration damper of elevator |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0742063B2 (en) | 1992-07-17 | 1995-05-10 | 三菱電機株式会社 | Elevator drive system |
| JPH08198542A (en) * | 1995-01-30 | 1996-08-06 | Otis Elevator Co | Elevator with braking force adjusting device |
| JP4513176B2 (en) * | 2000-06-22 | 2010-07-28 | 三菱電機株式会社 | Elevator control device |
| US6802395B1 (en) * | 2003-03-28 | 2004-10-12 | Kone Corporation | System for control and deceleration of elevator during emergency braking |
| JP4850708B2 (en) * | 2004-07-12 | 2012-01-11 | 三菱電機株式会社 | Elevator control system |
| JP4580749B2 (en) * | 2004-12-20 | 2010-11-17 | 株式会社日立製作所 | Elevator system |
| US20100018810A1 (en) * | 2005-03-01 | 2010-01-28 | Mitsubishi Electric Corporation | Elevator apparatus |
| CN101107191B (en) * | 2005-03-01 | 2010-06-23 | 三菱电机株式会社 | Elevator apparatus |
-
2006
- 2006-12-05 KR KR1020097006786A patent/KR101080601B1/en active IP Right Grant
- 2006-12-05 JP JP2008548128A patent/JP5172695B2/en not_active Expired - Fee Related
- 2006-12-05 EP EP06833965.4A patent/EP2058261B1/en not_active Expired - Fee Related
- 2006-12-05 WO PCT/JP2006/324210 patent/WO2008068839A1/en active Application Filing
- 2006-12-05 CN CN2006800560897A patent/CN101522553B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1134392A (en) * | 1995-03-10 | 1996-10-30 | 英万蒂奥股份公司 | Equipment and method for damping of oscillations at lift cage |
| CN1430573A (en) * | 2001-04-10 | 2003-07-16 | 三菱电机株式会社 | Guide for elevator |
| CN1478716A (en) * | 2002-07-29 | 2004-03-03 | ������������ʽ���� | Vibration damper of elevator |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平8-198542A 1996.08.06 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20090057084A (en) | 2009-06-03 |
| EP2058261B1 (en) | 2018-03-07 |
| EP2058261A4 (en) | 2013-04-17 |
| JP5172695B2 (en) | 2013-03-27 |
| WO2008068839A1 (en) | 2008-06-12 |
| JPWO2008068839A1 (en) | 2010-03-11 |
| EP2058261A1 (en) | 2009-05-13 |
| KR101080601B1 (en) | 2011-11-04 |
| CN101522553A (en) | 2009-09-02 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20120201 Termination date: 20201205 |