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CN101108708B - Elevator Control - Google Patents

Elevator Control Download PDF

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Publication number
CN101108708B
CN101108708B CN2007101279661A CN200710127966A CN101108708B CN 101108708 B CN101108708 B CN 101108708B CN 2007101279661 A CN2007101279661 A CN 2007101279661A CN 200710127966 A CN200710127966 A CN 200710127966A CN 101108708 B CN101108708 B CN 101108708B
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detecting unit
unit
primary importance
detection
position detection
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CN101108708A (en
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久保雅人
池富力
菅原义博
筱塚广树
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Hitachi Ltd
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Hitachi Ltd
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  • Indicating And Signalling Devices For Elevators (AREA)

Abstract

The invention discloses an elevator control apparatus, which generates a control signal for controlling the elevator carriage up-and-down and elevator door open-and-close based on a detecting signal of a position detecting unit arranged in the elevator carriage or lifting-and-lowing passage. Wherein, the position detecting unit is composed of a first position detecting unit adapting a certain detecting means and at least a second position detecting unit with a different detecting means. A comparator is arranged between the position detecting unit and the elevator control unit with a plurality of detecting means. The comparator compares the detecting signals from the position detecting unit with plural detecting means, when both are consistent, then outputting the detecting signal from the first position detecting unit, and when both are inconsistent, then outputting the detecting signal from one detecting unit in the second position detecting unit. Therefore, even the position detecting unit with a certain detecting means in the elevator carriage happening fault, it can prevent the elevator stopping and making a mistake.

Description

Elevator control gear
Technical field
The present invention relates to a kind of elevator control gear, especially relate to a kind of position detecting device of elevator.
Background technology
As the position detection unit of lift car,, disclosed the position detection unit (for example with reference to patent documentation 1) of detecting elements such as various use opto-electronic pickups, Magnetic Sensor and ultrasonic transduter according to the difference of detection mode.
(patent documentation 1) spy open the 2004-67252 communique (the 4th~5 page, Fig. 1~Fig. 4)
Summary of the invention
As prior art, shown in patent documentation 1,, detect the position of lift car according to from the position detection unit of independent setting or adopt the detection signal of a plurality of position detection unit of same detection mode.
In these prior aries, if fault or misoperation have taken place position detection unit, then can't move control normally, and may cause elevator to produce misoperation or stop lift car.
For example, when using opto-electronic pickup, because water spray when extraneous light, pollution and fire extinguishing and flood etc. and misoperation might occur as position detection unit.And when using Magnetic Sensor, might produce misoperation because of near the influence in magnetic field.In addition, if use ultrasonic transduter, then may be subjected to the influence of external noise.In addition, Magnetic Sensor and ultrasonic transduter are compared with opto-electronic pickup, are difficult to improve position detection accuracy.
Certainly, not only under the situation that relies on the position detection unit that is provided with separately, even detect under the situation of elevator car position at the detection signal of exporting according to the position detection unit of a plurality of employing same detection modes, if what adopt is to be subjected to spraying water the position detection unit of influence easily, even be provided with a plurality of position detection unit so, the situation that these position detection unit all lost efficacy also might appear.
The purpose of this invention is to provide a kind of elevator control unit,, also can prevent the unit that elevator misoperation occurs and stops even this elevator control unit has when the position detection unit et out of order of a certain detection mode of lift car or misoperation etc.
To achieve these goals, the invention provides a kind of elevator control gear, based on from the detection signal that is arranged on the position detection unit in lift car or the hoist trunk, generate the control signal that is used to control lift car lifting and elevator door opening-closing etc. by elevator control unit, it is characterized in that, described position detection unit, use the primary importance detecting unit of opto-electronic pickup and the employing at least a detection mode different to use the second place detecting unit of Magnetic Sensor to constitute by adopting a certain detection mode with described detection mode, the sensor that position detection accuracy is high is as the primary importance detecting unit, even will be because of light, pollute and water spray during fire extinguishing and flood etc. and may causing still be hopeful under the situation of misoperation can the trouble free action Magnetic Sensor as second place detecting unit, it is higher that described primary importance detecting unit and described second place detecting unit are compared position detection accuracy, even described second place detecting unit might cause under the situation of misoperation at described primary importance detecting unit, also trouble free ground action, between each position detection unit of described a plurality of detection modes and described elevator control unit, comparator is set, this comparator compares the detection signal from each position detection unit of described a plurality of detection modes, when both are consistent, export the detection signal of described primary importance detecting unit, when both are inconsistent, export the detection signal of one of them position detection unit in the described second place detecting unit.
The present invention also provides a kind of elevator control gear, a kind of elevator control gear, based on from the detection signal that is arranged on the position detecting device in lift car or the hoist trunk, generate the control signal that is used to control lift car lifting and elevator door opening-closing by elevator control unit, it is characterized in that, described position detection unit is by using opto-electronic pickup primary importance detecting unit and using the second place detecting unit of Magnetic Sensor to constitute, it is higher that described primary importance detecting unit and described second place detecting unit are compared position detection accuracy, even described second place detecting unit might cause under the situation of misoperation at described primary importance detecting unit, also trouble free ground action, between described each position detection unit and described elevator control unit finder and comparator are set, described finder has: the automatic preference pattern that the detection signal from described each position detection unit is directly passed through; Only the detection of described primary importance detecting unit is outputed to the primary importance detecting unit fixed mode of described elevator control unit; And the second place detecting unit fixed mode that only detection of described second place detecting unit is outputed to described elevator control unit, this comparator to directly by described finder, compare from the detection signal of described each position detection unit, when both are consistent, export the detection signal of described primary importance detecting unit, when both are inconsistent, export the detection signal of described second place detecting unit.
According to the present invention, at ordinary times, owing to control the lifting of lift car and the switching of elevator door etc. according to the detection output of the high primary importance detecting unit of position detection accuracy, so can guarantee necessary accuracy.
And export when inconsistent in the detection of the detection output of primary importance detecting unit and second place detecting unit, then judge and taken place unusually, and according to the lifting of the detection output control lift car of the second place detecting unit that is difficult to produce misoperation and the switching of elevator door etc., so can guarantee safety.
And, when the position detection unit that can predict certain detection mode may misoperation occur, proceed running by switching to other position detection unit fixed modes, and can reduce the possibility that elevator misoperation occurs or stops significantly.
Description of drawings
Fig. 1 is the schematic plan of the installation situation of the position detection unit in the expression elevator control unit of the present invention.
Fig. 2 is the block scheme of system architecture of the embodiment 1 of expression elevator control unit involved in the present invention.
Fig. 3 is the block scheme of system architecture of the embodiment 2 of expression elevator control unit involved in the present invention.
Among the figure: 10-primary importance detecting unit (opto-electronic pickup), 20-second place detecting unit (Magnetic Sensor), 30-comparator, 40-elevator control unit, 50-finder.
Concrete form of implementation
Below referring to figs. 1 through Fig. 3 the embodiment of elevator control unit involved in the present invention is described.
Embodiment 1
Fig. 1 is the schematic top plan view of the position detection unit installation situation in the expression elevator control unit of the present invention.
In embodiment 1, between lift car and hoist trunk wall, be provided with simultaneously as the different second place detecting unit 20 of the primary importance detecting unit 10 of key role detecting unit and detection mode and this primary importance detecting unit 10.At this, the opto-electronic pickup that position detection accuracy is high is as primary importance detecting unit 10, though with this opto-electronic pickup during because of extraneous light, pollution and fire extinguishing water spray and the occasion that misoperation may occur such as flood still be hopeful can the trouble free action Magnetic Sensor as second place detecting unit 20.
Opto-electronic pickup 10 as the primary importance detecting unit has luminous element 10B and photo detector 10C, by being fixed on transmission-type dimmer 10A on the lift car, being fixed on the hoist trunk wall and along with the lifting of lift car the light path position probing plate 10D open or that cover between luminous element 10B and the photo detector 10C being constituted.
Magnetic Sensor 20 as second place detecting unit, by the magneto sensor 20A such as ear suddenly (ホ-Le) element that are fixed on the lift car, and be fixed on the hoist trunk wall and be disposed at along with the lifting of lift car relative with magneto sensor 20A to the permanent magnet 20B of position constitute.
In general, preferably that position detection accuracy is high position detecting element is as primary importance detecting unit 10, even and will still be hopeful in the occasion that misoperation may appear in primary importance detecting unit 10 can regular event position detecting element as second place detecting unit 20.Even the magneto sensor 20A of the Magnetic Sensor 20 of present embodiment 1 under the situation of water spray when having extraneous light, pollution and fire extinguishing and flood etc., also can detect the position of permanent magnet 20B insusceptibly.
And, primary importance detecting unit 10 and second place detecting unit 20 can about arrange, also can stack up and down, and also the element of lift car side can be changed with the element of hoist trunk side.
In addition, the kind of second place detecting unit 20 can be not limited to a kind of, and adopts several different detection modes, can be arranged to more than 3 kinds on the whole.
And opto-electronic pickup 10 can not use the transmission-type dimmer, and can adopt the reflection-type dimmer.
Fig. 2 is the block scheme of system architecture of the embodiment 1 of expression elevator control unit involved in the present invention.Unlike the prior art, present embodiment 1 has exports the comparator 30 that compares to the detection of the detection output of primary importance detecting unit 10 and second place detecting unit 20, and comparator 30 selected detections outputs are sent to elevator control unit 40.
At ordinary times, if the detection output of primary importance detecting unit 10 is consistent with the detection output of second place detecting unit 20, then comparator 30 is selected the detection output of primary importance detecting unit 10, and sends it to elevator control unit 40.Elevator control unit 40 is according to the detection output of selected primary importance detecting unit 10, the lifting of control lift car and the switching of elevator door etc.
If because of reasons such as extraneous light and water sprays, and the detection that causes the detection output of primary importance detecting unit 10 and second place detecting unit 20 is exported when inconsistent, then comparator 30 is difficult to take place malfunction as prerequisite with second place detecting unit 20, be judged as the abnormal condition of primary importance detecting unit 10 misoperations, thereby select the detection output of second place detecting unit 20, and send it to elevator control unit 40.Elevator control unit 40 is according to the detection output of selected second place detecting unit 20, the lifting of control lift car and the switching of elevator door etc.
According to present embodiment 1, at ordinary times, owing to export according to the detection of the high primary importance detecting unit 10 of position detection accuracy, the lifting of control lift car and the switching of elevator door etc. are so can guarantee necessary accuracy.
And export when inconsistent in the detection of the detection output of primary importance detecting unit 10 and second place detecting unit 20, then judge and taken place unusually, and according to the detection output of the second place detecting unit 20 that is difficult to produce misoperation, the lifting of control lift car and the switching of elevator door etc. are so can guarantee safety.
Embodiment 2
Fig. 3 is the block scheme of system architecture of the embodiment 2 of expression elevator control unit involved in the present invention.
The installation situation of the position detection unit of embodiment 2 is identical with embodiment shown in Figure 11.In embodiment 2, be provided with finder 50 at the leading portion of the comparator 30 of embodiment 1.
The detection output that finder 50 has the detection output that makes primary importance detecting unit 10 and a second place detecting unit 20 is directly by the automatic preference pattern of comparator 30, the second place detecting unit fixed mode that only detection of primary importance detecting unit 10 outputed to the primary importance detecting unit fixed mode of elevator control unit 40 and only the detection of second place detecting unit 20 outputed to elevator control unit 40.
In the automatic preference pattern that the detection output of detection output that makes primary importance detecting unit 10 and second place detecting unit 20 is directly passed through, identical with embodiment 1, compare by the detection output of 30 pairs of primary importance detecting units 10 of comparator and the detection output of second place detecting unit 20, and the detection output of selected detecting unit is sent to elevator control unit 40.
In automatic preference pattern, at ordinary times, because the detection output of primary importance detecting unit 10 is consistent with the detection of second place detecting unit 20 output,, and send it to elevator control unit 40 so comparator 30 is selected the detection output of primary importance detecting unit 10.Elevator control unit 40 is according to the lifting of the detection output control lift car of selected primary importance detecting unit 10 and the switching of elevator door etc.
In automatic preference pattern, if because of reasons such as extraneous light and water sprays, and the detection that causes the detection output of primary importance detecting unit 10 and second place detecting unit 20 is exported when inconsistent, then comparator 30 is difficult to take place malfunction as prerequisite with second place detecting unit 20, be judged as these abnormal condition of misoperation that primary importance detecting unit 10 has taken place, thereby select the detection output of second place detecting unit 20, and send it to elevator control unit 40.Elevator control unit 40 is according to the lifting of the detection output control lift car of selected second place detecting unit 20 and the switching of elevator door etc.
For example, near because of position detection unit 10,20, be provided with the unit or the magnetic substance in generation magnetic field temporarily, and can predict that second place detecting unit 20 may produce under the situation of misoperation, then switch to primary importance detecting unit fixed mode, and only the detection of primary importance detecting unit 10 is outputed to elevator control unit 40.Output in the primary importance detecting unit fixed mode of elevator control unit 40 in a detection primary importance detecting unit 10, no matter second place detecting unit 20 has no abnormally, and elevator control unit 40 is all according to the lifting of the detection output control lift car of primary importance detecting unit 10 and the switching of elevator door etc.
On the other hand, run into lift car injected water, and can predict when primary importance detecting unit 10 may produce misoperation, then switch to second place detecting unit fixed mode, and only the detection of second place detecting unit 20 is outputed to elevator control unit 40.Output in the second place detecting unit fixed mode of elevator control unit 40 in a detection second place detecting unit 20, no matter primary importance detecting unit 10 has no abnormally, and elevator control unit 40 is all according to the lifting of the detection output control lift car of second place detecting unit 20 and the switching of elevator door etc.
According to present embodiment 2, at ordinary times, owing to control the lifting of lift car and the switching of elevator door etc. according to the detection output of the high primary importance detecting unit 10 of position detection accuracy, so can guarantee necessary accuracy.
And export when inconsistent in the detection of the detection output of primary importance detecting unit 10 and second place detecting unit 20, then judge and taken place unusually, and according to the lifting of the detection output control lift car of the second place detecting unit 20 that is difficult to produce misoperation and the switching of elevator door etc., so can guarantee safety.
And, when the position detection unit that can predict certain detection mode may misoperation occur, proceed running by the position detection unit fixed mode that switches to other, and can reduce the possibility that elevator misoperation occurs or stops significantly.

Claims (2)

1. an elevator control gear based on from the detection signal that is arranged on the position detection unit in lift car or the hoist trunk, generates the control signal that is used to control lift car lifting and elevator door opening-closing by elevator control unit, it is characterized in that,
Described position detection unit is made of the primary importance detecting unit of use opto-electronic pickup and the second place detecting unit of use Magnetic Sensor,
It is higher that described primary importance detecting unit and described second place detecting unit are compared position detection accuracy, though described second place detecting unit might cause under the situation of misoperation at described primary importance detecting unit, also trouble free ground action,
Between described each position detection unit and described elevator control unit, comparator is set, this comparator compares the detection signal from described each position detection unit, when both are consistent, export the detection signal of described primary importance detecting unit, when both are inconsistent, export the detection signal of described second place detecting unit.
2. an elevator control gear based on from the detection signal that is arranged on the position detecting device in lift car or the hoist trunk, generates the control signal that is used to control lift car lifting and elevator door opening-closing by elevator control unit, it is characterized in that,
Described position detection unit is made of the second place detecting unit that uses opto-electronic pickup primary importance detecting unit and use Magnetic Sensor,
It is higher that described primary importance detecting unit and described second place detecting unit are compared position detection accuracy, though described second place detecting unit might cause under the situation of misoperation at described primary importance detecting unit, also trouble free ground action,
Between described each position detection unit and described elevator control unit finder and comparator are set, described finder has: the automatic preference pattern that the detection signal from described each position detection unit is directly passed through; Only the detection of described primary importance detecting unit is outputed to the primary importance detecting unit fixed mode of described elevator control unit; And the second place detecting unit fixed mode that only detection of described second place detecting unit is outputed to described elevator control unit, this comparator to directly by described finder, compare from the detection signal of described each position detection unit, when both are consistent, export the detection signal of described primary importance detecting unit, when both are inconsistent, export the detection signal of described second place detecting unit.
CN2007101279661A 2006-07-19 2007-07-06 Elevator Control Active CN101108708B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2006-196949 2006-07-19
JP2006196949A JP4392539B2 (en) 2006-07-19 2006-07-19 Elevator control device
JP2006196949 2006-07-19

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CN101108708A CN101108708A (en) 2008-01-23
CN101108708B true CN101108708B (en) 2010-08-18

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Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009220941A (en) * 2008-03-14 2009-10-01 Toshiba Elevator Co Ltd Elevator landing detection device
JP4774427B2 (en) * 2008-06-30 2011-09-14 株式会社日立製作所 Elevator position detection device and elevator
JP5094657B2 (en) * 2008-09-19 2012-12-12 株式会社日立製作所 Elevator position detection device
JP4812849B2 (en) * 2009-02-27 2011-11-09 株式会社日立製作所 Elevator with position detector
JP2012017154A (en) * 2010-07-06 2012-01-26 Toshiba Elevator Co Ltd Elevator landing apparatus
WO2012081090A1 (en) * 2010-12-15 2012-06-21 三菱電機株式会社 Elevator door device
JP5897212B2 (en) * 2013-05-14 2016-03-30 三菱電機株式会社 Elevator apparatus and control method thereof
US10266369B2 (en) * 2014-08-04 2019-04-23 Inventio Ag Energy-autonomous elevator system control element and elevator system including the control element
CN107037767A (en) * 2017-05-09 2017-08-11 昆明理工大学 A kind of elevator door safety real-time control apparatus based on embedded Bluetooth ranging
WO2018219504A1 (en) * 2017-06-02 2018-12-06 Inventio Ag Floor position detection device of a lift installation and method for generating a floor signal
CN110831878B (en) * 2017-07-14 2022-05-03 因温特奥股份公司 Method for configuring safety-critical configuration parameters in a people conveyor
WO2019049277A1 (en) * 2017-09-07 2019-03-14 三菱電機株式会社 Elevator system and elevator system control device
WO2020012518A1 (en) * 2018-07-09 2020-01-16 三菱電機株式会社 Elevator system

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CN101108708A (en) 2008-01-23
JP2008024395A (en) 2008-02-07
HK1113126A1 (en) 2008-09-26

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