WO2003011734A1 - Position detector of elevator - Google Patents
Position detector of elevator Download PDFInfo
- Publication number
- WO2003011734A1 WO2003011734A1 PCT/JP2001/006603 JP0106603W WO03011734A1 WO 2003011734 A1 WO2003011734 A1 WO 2003011734A1 JP 0106603 W JP0106603 W JP 0106603W WO 03011734 A1 WO03011734 A1 WO 03011734A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- detector
- mounting plate
- elevator
- permanent magnet
- detecting device
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/02—Position or depth indicators
-
- 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
- B66B1/3492—Position or motion detectors or driving means for the detector
Definitions
- the present invention provides an elevator equipped with a detector including a reed switch on a car side and a detector including a mounting plate made of a magnetic material such as a permanent magnet and a steel plate on a landing side of a hoistway.
- the present invention relates to an improvement of a position detecting device.
- FIG. 8 is a configuration diagram of a conventional position detecting device for an elevator, viewed from the side of a hoistway.
- reference numeral 10 denotes a detector composed of a mounting plate 11 having a substantially L-shaped cross section and lead switches 12 and 13 for detecting a position where the door can be closed
- 20 denotes a cross section.
- the detector comprises a substantially L-shaped mounting plate 21 made of a magnetic steel plate, and a rectangular parallelepiped permanent magnet 22 having the same length as the mounting plate 21.
- Fig. 9 is a view of a conventional elevator position detection device viewed from directly above a hoistway.
- reference numeral 3 denotes a car-side door device to which a detector 10 is attached.
- Reference numeral 5 denotes a landing-side door device to which a detector 20 is attached.
- the detector 10 attached to the car-side door device 3 is moved to the landing side door according to the traveling of the elevator.
- the control device of the elevator is a signal indicating the position where the door can be opened and closed. Is used to determine the stop position of the car and to open and close the door.
- the permanent magnet 22 of the detector 20 is formed in a single shape, the number of the detectors 2 is adjusted in accordance with the specification of the position detection length.
- a dedicated permanent magnet 22 is required in accordance with the specification of the position detection length, which increases the manufacturing cost of the permanent magnet 22 and increases the cost of the detector 20. there were.
- the permanent magnet 22 has a long shape, there is a problem that the permanent magnet 22 is easily damaged during transportation or assembly work. Further, when an earthquake occurs, there is a problem that the car shakes and the detector 10 interferes with the permanent magnet 22 of the detector 20 to damage the detector 10.
- the present invention has been made to solve the above-described problems, and provides an inexpensive detector to be detected, and an elevator that does not damage the detector even when the detector and the detector interfere with each other. It aims to obtain an evening position detecting device.
- a position detecting device for an elevator includes: a detector installed on one of a car side of an elevator for lifting and lowering in a hoistway or a landing side of the hoistway; and the car side or the landing side.
- a detector mounted on the other side of the car side or the landing side; and a detector mounted on the other side of the car or the landing side.
- a plurality of permanent magnets of a predetermined shape arranged on the mounting plate at intervals in the moving direction of the car.
- the detector is disposed at both ends of the mounting plate, and a strong magnetic force such that the reed switch is turned on is provided.
- a first permanent magnet, and a second permanent magnet which is disposed at a position other than both ends of the mounting plate and has a weak magnetic force between an ON level and an OFF level of the reed switch.
- the first permanent magnet is a permanent magnet having a predetermined shape, which is disposed on the mounting plate such that two of the first permanent magnets are overlapped with each other.
- the magnet is a permanent magnet of a predetermined shape arranged only on the mounting plate.
- the plurality of permanent magnets having a predetermined shape have the same surface facing the reed switch.
- the plurality of permanent magnets having a predetermined shape are covered with a rubber body.
- the detector is configured such that a lead switch is fixed to a side surface, and a lead switch mounting plate in which upper and lower ends of the object to be detected are inclined and cut off, A mounting plate for fixing the lead switch mounting plate on one of the car side and the landing side having a panel structure.
- FIG. 1 is a diagram of a configuration of an elevator position detection device according to Embodiment 1 of the present invention, as viewed from the side of a hoistway,
- FIG. 2 is a side view of the position detecting device for the entire elevator according to the first embodiment of the present invention
- FIG. 3 is a diagram illustrating the configuration of the position detecting device for the entire elevator according to the first embodiment of the present invention. View from above,
- FIG. 4 is a diagram showing a structure of a detector of the position detecting device for the entire elevator according to the first embodiment of the present invention
- FIG. 5 is a diagram showing a change in the magnetic force in the length direction of the detector of the position detecting device for the entire elevator according to the first embodiment of the present invention
- FIG. 6 is a diagram showing a situation in which the detector of the position detecting device for the entire elevator according to the first embodiment of the present invention is in contact with the detector.
- FIG. 7 is a diagram showing a structure of a detector of the position detecting device for the entire elevator according to the second embodiment of the present invention.
- FIG. 8 is a side view of a conventional position detecting device for the entire elevator.
- FIG. 9 is a diagram showing the configuration of a conventional position detecting device for an elevator every night as viewed from directly above a hoistway.
- FIG. 1 is a diagram of a configuration of a position detecting device for an entire elevator according to a first embodiment of the present invention, as viewed from a hoistway side surface.
- 1 is the lobe of the elevator every night
- 2 is the car going up and down the hoistway of a building
- 3 is the car side door device
- 4 is the landing of the elevator every night of a building
- 5 is the landing side Door device.
- 1 OA is a detector attached to the car-side door device 3
- 20 A is a detector attached to the landing-side door device 5.
- FIG. 2 is a configuration diagram of the position detecting device for the elevator every night according to the first embodiment of the present invention as viewed from a side surface of a hoistway.
- the detector 1 OA has reed switches (reed relays) 12 and 13, a mounting plate 14 made of a steel plate with a substantially C-shaped cross section, and reed switches 12 and 13 attached to the sides.
- a lead switch mounting plate 15 made of a non-magnetic steel plate having inclined cut portions 15a at two upper and lower positions.
- the detector 2 OA includes a mounting plate 21 composed of a magnetic steel plate having a substantially L-shaped cross section, and a magnet member 2 fixed to the mounting plate 21 and having a rectangular parallelepiped shape.
- the magnet member 23 is composed of a permanent magnet 24 molded into a small rectangular parallelepiped shape having a certain dimension, and a rubber body (resin) 25 molded around the permanent magnet 24. Both ends of the magnet member 23 have a strong magnetic force exceeding the ON level of the reed switches 12 and 13 so as to obtain the positional accuracy of the ON and OFF operating points of the lead switches 12 and 13. In order to attach them, two permanent magnets 24 are stacked on each other and attached to the mounting plate 21. In addition, the center of the magnet member 23 other than both ends is only required to have a magnetic force enough to maintain the ON state of the reed switches 12 and 13, so that only one permanent magnet 24 is attached to the mounting plate 21. Attach. Further, the permanent magnets 24 are attached to the mounting plate 21 at an interval by using the hysteresis characteristic of the reed switches 12 and 13.
- FIG. 3 is a diagram of the position detecting device for the entire elevator according to the first embodiment of the present invention as viewed from directly above a hoistway.
- the mounting plate 14 is made of a steel plate having a panel structure having a substantially C-shaped cross section so that the detector 1 OA is fixed to the car-side door device 3.
- the mounting plate 21 is made of a steel plate having a substantially L-shaped cross section so that the detector 2 OA is fixed to the landing-side door device 5.
- FIG. 4 is a diagram illustrating a structure of a detector of the position detecting device for the entire elevator according to the first embodiment of the present invention. In Fig. 4, the upper part shows the detector 20 A as seen from above, and the lower part shows the detector as seen from the side.
- a plurality of small permanent magnets 24 are bonded to the mounting plate 21 and molded with a rubber body 25 such as resin to form a magnet member 23.
- the rubber member 25 is for protecting the permanent magnet 24, and the rubber member 25 may be omitted as a function of the detector.
- a small number of permanent magnets 24, each of which is formed into a small, fixed-sized shape, for a detector 2OA having an arbitrary length, is constituted by the minimum number required. it can. Since the periphery of the permanent magnet 24 is molded with the rubber body 25, the impact of external force can be absorbed.
- FIG. 5 is a diagram illustrating a change in the magnetic force in the length direction of the detector of the position detecting device for the entire elevator according to the first embodiment of the present invention.
- the upper part is a diagram showing the upper surface and the side surface of the detector 2OA from which the rubber body 25 has been removed.
- the magnetic force exceeds the ON level of the lead switches 12 and 13, and only one small permanent magnet 24 is attached to the mounting plate 2.
- the center of the detector 20A attached to 1 except the both ends has a magnetic force less than the ON level of the lead switches 12 and 13 but exceeding the OFF level.
- the polarity (NS) of all the permanent magnets 24 is the same as the conventional example shown in FIG.
- FIG. 6 is a diagram illustrating a situation where the detector of the elevator position detecting device according to the first embodiment of the present invention contacts the detector. As shown in Fig. 6, car 2 shakes due to an earthquake or the like, and detector 1 OA is
- the lead switch mounting plate 15 made of steel plate
- the mounting plate 14 made of a steel plate having a panel structure and fixed to the car side door device 3 can absorb the impact applied to the detector 1 OA and the detector 2 OA. That is, in the first embodiment, as a means for detecting the position of the car 2 of the elevator that moves up and down in the hoistway, a detector 1 OA constituted by reed switches 12 and 13 is provided on the car side; An elevator position detecting device in which a detector 2 OA comprising permanent magnets 24 is provided on the landing side of the hoistway, and the reed switches 12 and 13 are arranged perpendicular to the permanent magnets 24.
- a plurality of small-sized permanent magnets 24 of a certain size are arranged on the mounting plate 21 at intervals in the direction of movement of the lead switches 12 and 13, and the required size of the detector 2 OA is composed. Further, the detector 2 OA is configured by arranging two small permanent magnets 24 on both ends thereof in a stacked manner, and arranging only one small permanent magnet 24 other than both ends. Note that only one relatively large permanent magnet having a strong magnetic force equivalent to the two permanent magnets 24 may be arranged at both ends of the detector.
- the detector 2 OA is configured by covering the permanent magnet 24 with a rubber body 25 such as a resin.
- FIG. 7 is a diagram showing a structure of a detector of an elevator position detecting apparatus according to Embodiment 2 of the present invention.
- the detector is the same as in the first embodiment.
- the upper part is the detector 20B viewed from above
- the lower part is the detector 20B viewed from the side
- the detector 20B viewed from the right side.
- the detector 20 B has a step at the portion where the permanent magnet 24 is bonded, and the cross section of the center portion is substantially L-shaped.
- a substantially saddle-shaped magnet member 23 fixed so as to extend over the step. That is, only the end portions of the magnet member 23 on which the two permanent magnets 24 are stacked are retracted by the thickness of the permanent magnets 24 by the portion of the mounting plate 21 to which the permanent magnets 24 are bonded.
- the magnet member 23 is made up of a permanent magnet 24 molded into a small rectangular parallelepiped having a certain dimension, and a rubber body (resin) 25 molded around the permanent magnet 24. It is configured.
- the permanent magnets 24 are arranged so that the distance between the lead switches 12 and 13 of the detector 1 OA and the permanent magnets 24 of the detector 20 B is the same for all the permanent magnets 24. . In this way, the magnetic force of the permanent magnet 24 is effectively applied to the reed switches 12 and 13.
- the detector 10A is provided on the car side and the detected objects 20A and 20B are provided on the landing side.
- both may be provided in reverse. That is, even if the detector 1OA is provided on the landing side and the detectors 20A and 20B are provided on the car side, the above-described effects are the same.
- the elevator position detecting device includes a detector installed on one of the car side of the elevator that moves up and down the hoistway and one of the landing sides of the hoistway, A detector installed on the other side of the car side or the landing side, wherein the detector has a reed switch, and the detector is provided on the other side of the car side or the landing side. Since it has a mounting plate for fixing the detector and a plurality of permanent magnets of a predetermined shape arranged on the mounting plate at intervals in the moving direction of the car, the detector can be configured at low cost, This has the effect of preventing the permanent magnet from being damaged.
- the detector is disposed at both ends of the mounting plate, and the reed switch generates a strong magnetic force at an ON level. Since it has a first permanent magnet and a second permanent magnet that is disposed at a position other than both ends of the mounting plate and has a weak magnetic force between the ON level of the reed switch and the FF level, It is advantageous in that it can be configured at low cost and can prevent damage to the permanent magnet of the detector.
- the first permanent magnet is a permanent magnet having a predetermined shape, which is disposed by overlapping two pieces on the mounting plate.
- the detector can be configured at a low cost and the permanent magnet of the detector can be prevented from being damaged. This has the effect. Further, in the position detecting device for an elevator according to the present invention, since the plurality of permanent magnets having a predetermined shape have the same surface facing the reed switch, the magnetic force of the permanent magnet is efficiently applied to the reed switch. It has the effect of joining together. Further, in the position detecting device for an elevator according to the present invention, since the plurality of permanent magnets having a predetermined shape are covered with a rubber body, it is possible to absorb the impact of an external force. This has the effect that the permanent magnet can be protected.
- the detector may further include: a lead switch fixing plate having a side fixed to the lead switch; , ⁇ ⁇ , ⁇ ⁇ , ⁇ " ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Elevator Control (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Description
Claims
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP01954399.0A EP1426319B1 (en) | 2001-07-31 | 2001-07-31 | Elevator with a position detector |
| JP2003507852A JP4879457B2 (ja) | 2001-07-31 | 2001-07-31 | エレベーターの位置検出装置 |
| PCT/JP2001/006603 WO2003011734A1 (en) | 2001-07-31 | 2001-07-31 | Position detector of elevator |
| CNB018168310A CN1224567C (zh) | 2001-07-31 | 2001-07-31 | 电梯位置检测装置 |
| KR10-2003-7004082A KR100508328B1 (ko) | 2001-07-31 | 2001-07-31 | 엘리베이터의 위치검출장치 |
| TW090119210A TW584609B (en) | 2001-07-31 | 2001-08-07 | Position detecting device for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2001/006603 WO2003011734A1 (en) | 2001-07-31 | 2001-07-31 | Position detector of elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2003011734A1 true WO2003011734A1 (en) | 2003-02-13 |
Family
ID=11737607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2001/006603 Ceased WO2003011734A1 (en) | 2001-07-31 | 2001-07-31 | Position detector of elevator |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1426319B1 (ja) |
| JP (1) | JP4879457B2 (ja) |
| KR (1) | KR100508328B1 (ja) |
| CN (1) | CN1224567C (ja) |
| TW (1) | TW584609B (ja) |
| WO (1) | WO2003011734A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012184062A (ja) * | 2011-03-04 | 2012-09-27 | Thyssenkrupp Access Japan Co Ltd | 階段昇降機および階段昇降機用監視装置 |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE433035T1 (de) * | 2006-06-01 | 2009-06-15 | Pilz Auslandsbeteiligungen Gmb | Überwachbare zuhalteeinrichtung |
| EP2038197A4 (en) * | 2006-07-11 | 2013-07-24 | Mitsubishi Electric Corp | POSITION DETECTION DEVICE, POSITION DETECTION DEVICE FOR AN ELEVATOR AND ELEVATOR |
| DE202007002626U1 (de) * | 2007-02-22 | 2007-04-19 | BSH Bosch und Siemens Hausgeräte GmbH | Wäschebehandlungsgerät |
| EP2067732A1 (en) * | 2007-12-07 | 2009-06-10 | Inventio Ag | Elevator cabin position detection system |
| WO2010134158A1 (ja) * | 2009-05-19 | 2010-11-25 | 三菱電機株式会社 | エレベータの異常検出装置 |
| FI126536B (en) * | 2016-05-18 | 2017-01-31 | Kone Elevators Co Ltd | Elevator |
| FI126496B (en) * | 2016-05-18 | 2017-01-13 | Kone Elevators Co Ltd | Elevator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60223770A (ja) * | 1984-04-18 | 1985-11-08 | 株式会社日立製作所 | エレベ−タ−の位置検出装置 |
| JPS6192678U (ja) * | 1984-11-26 | 1986-06-16 | ||
| JPH0532381A (ja) * | 1991-07-30 | 1993-02-09 | Toshiba Corp | エレベータの着床差距離検出装置 |
| JPH07220594A (ja) * | 1994-02-04 | 1995-08-18 | Nippon Autom Kk | 磁気近接スイッチ |
| US5459399A (en) | 1994-06-08 | 1995-10-17 | Otis Elevator Company | Trap for preventing mixing of flux between adjacent indicia and being disposed adjacent first and second sensors |
| US5798490A (en) * | 1993-12-28 | 1998-08-25 | Kone Oy | Procedure and apparatus for determining the position of an elevator car |
| JPH1151696A (ja) * | 1997-07-31 | 1999-02-26 | Nitto Denko Corp | シ―ト状磁石 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3889231A (en) * | 1973-10-26 | 1975-06-10 | Westinghouse Electric Corp | Elevator signalling system |
| DE19847972A1 (de) * | 1998-10-17 | 2000-04-20 | Juergen Andretzky | Steuerung von hydraulischen Aufzuganlagen |
-
2001
- 2001-07-31 CN CNB018168310A patent/CN1224567C/zh not_active Expired - Fee Related
- 2001-07-31 KR KR10-2003-7004082A patent/KR100508328B1/ko not_active Expired - Fee Related
- 2001-07-31 JP JP2003507852A patent/JP4879457B2/ja not_active Expired - Fee Related
- 2001-07-31 WO PCT/JP2001/006603 patent/WO2003011734A1/ja not_active Ceased
- 2001-07-31 EP EP01954399.0A patent/EP1426319B1/en not_active Expired - Lifetime
- 2001-08-07 TW TW090119210A patent/TW584609B/zh not_active IP Right Cessation
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60223770A (ja) * | 1984-04-18 | 1985-11-08 | 株式会社日立製作所 | エレベ−タ−の位置検出装置 |
| JPS6192678U (ja) * | 1984-11-26 | 1986-06-16 | ||
| JPH0532381A (ja) * | 1991-07-30 | 1993-02-09 | Toshiba Corp | エレベータの着床差距離検出装置 |
| US5798490A (en) * | 1993-12-28 | 1998-08-25 | Kone Oy | Procedure and apparatus for determining the position of an elevator car |
| JPH07220594A (ja) * | 1994-02-04 | 1995-08-18 | Nippon Autom Kk | 磁気近接スイッチ |
| US5459399A (en) | 1994-06-08 | 1995-10-17 | Otis Elevator Company | Trap for preventing mixing of flux between adjacent indicia and being disposed adjacent first and second sensors |
| JPH1151696A (ja) * | 1997-07-31 | 1999-02-26 | Nitto Denko Corp | シ―ト状磁石 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP1426319A4 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012184062A (ja) * | 2011-03-04 | 2012-09-27 | Thyssenkrupp Access Japan Co Ltd | 階段昇降機および階段昇降機用監視装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| TW584609B (en) | 2004-04-21 |
| KR20030036811A (ko) | 2003-05-09 |
| KR100508328B1 (ko) | 2005-08-17 |
| CN1468195A (zh) | 2004-01-14 |
| EP1426319B1 (en) | 2013-10-16 |
| JPWO2003011734A1 (ja) | 2004-11-18 |
| CN1224567C (zh) | 2005-10-26 |
| EP1426319A1 (en) | 2004-06-09 |
| JP4879457B2 (ja) | 2012-02-22 |
| EP1426319A4 (en) | 2010-06-02 |
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