EP1323661A1 - Procédé pour stopper un dispositif de transport pour personnes - Google Patents

Procédé pour stopper un dispositif de transport pour personnes Download PDF

Info

Publication number: EP1323661A1
Authority: EP; European Patent Office
Prior art keywords: channel; safety circuit; braking; contactors; frequency converter
Prior art date: 2001-12-24
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.): Granted

Application number

EP02027814A

Other languages

German (de)

English (en)

Other versions

EP1323661B1 (fr

Inventor

Josef Wiesinger

Gerhard Ing. Stoiber

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Inventio AG

Original Assignee

Inventio AG

Priority date (The priority date 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 date listed.)

2001-12-24

Filing date

2002-12-12

Publication date

2003-07-02

2002-12-12 Application filed by Inventio AG filed Critical Inventio AG

2002-12-12 Priority to EP02027814.9A priority Critical patent/EP1323661B1/fr

2003-07-02 Publication of EP1323661A1 publication Critical patent/EP1323661A1/fr

2018-10-10 Application granted granted Critical

2018-10-10 Publication of EP1323661B1 publication Critical patent/EP1323661B1/fr

2022-12-12 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
- B66B29/005—Applications of security monitors

Definitions

the invention relates to a method for stopping Passenger conveyor according to the preamble of Claim 1 and a safety circuit according to the Preamble of claim 7.
the invention is based on an object, a method and a safety circuit of the type mentioned propose which the aforementioned disadvantages do not have a safe and trouble-free braking system guarantee.
the presence of at least two channels ensures one increased security. Certain functions of the braking system can be at least double and independent of each other be monitored. The operational safety of the brake system is therefore increased.
the first channel (8) is advantageously provided with a first processor control and the second channel (9) with a second processor control provided. This has the advantage that the system is simply parameterized and via a A mutual control can be carried out can.
the first channel and the monitor advantageously second channel each other. This results in a redundant one System. If a channel doesn't work properly, it will this is perceived by the other channel and vice versa. The Appropriate security measures can then be initiated become.
Figure 1 shows a block diagram of a brake system for a passenger conveyor not shown.
a drive motor 1 of the passenger conveyor is included an electromechanical holding brake 2 in operative connection, which is preferably designed as a shoe brake.
On Frequency converter 3 is connected via a line 4 with two Series-connected drive contactors, schematically with Contacts 5 represents, connected. If the Drive contactors 5 are controlled, the Frequency converter 3 on the drive motor 1.
a Control 6 is on the one hand with the frequency converter 3 and the drive contactor 5 and on the other hand with the holding brake 2 in operative connection.
a security system 7 can for example a safety circuit and / or a Safety device for overspeed and have unwanted reversal of direction.
the Security system 7 and thus also the security circuit with the frequency converter 3 and with a Drive control circuit in connection, which as Safety circuit is called.
the Safety circuit has a first channel 8 and one second channel 9.
the first channel 8 has a first Output contactor or first drive control contactor that with Contacts 10 is represented, and the second channel 9 a second exit protection or second control contactor with Contacts 11 is represented.
the result of the first Channel 8 and the second channel 9 with a Comparison unit 12 and checked against each other.
a Power supply 13 feeds the braking system.
the Frequency converter 3 works with mains current, for example 380 V.
the drive contactors 5 are activated by the controller 6 and deactivated. However, activation is only possible if this through the first channel 8 and the second channel 9 is allowed. This increases operational security.
the passenger conveyor according to the invention has two Types of brakes, namely electric braking and a holding brake.
Electric braking is used for service braking used, the drive motor 1 over the Frequency converter 3 braked via a set ramp becomes. There is a metered, controlled braking, no sudden braking. There is no regulation or control via fuzzy logic instead. While The electrical contactors remain the drive contactors 5 driven. The electrical Braking not used. Will the electric braking canceled, the brake 2 continues to be applied.
the holding brake 2 is an electromechanical brake, which on the motor shaft of the drive motor 1 preferably looks form-fitting. When the holding brake is applied alone 2 are those defined in the applicable standards / guidelines Braking distances maintained.
the drive control circuit that is Safety circuit, forms together with the control relay and the drive contactors 5 the drive control. At a The control relays and the drive contactors remain the time of electric braking tightened.
the drive contactors are activated in revision mode 5 directly from the safety circuit via the revision panel.
the safety circuit is not active.
the safety circuit is two channels and is active when the Safety circuit is closed and during the electric braking.
Time control is understood to mean that the electrical Braking may only last a predetermined maximum time. If this time is exceeded, the first will be Output contactor 10 deactivated or deactivated.
a delay control is done by using a Motor encoder / speed sensor 14 the speed of the Drive motor 1 is measured. After the interruption of the safety circuit will delay the Drive motor 1 measured in a tolerance band. If you leave the tolerance band, the first one Output contactor 10 shut down.
the braking distance control is achieved by using the Motor encoder / speed sensor 14 the braking distance Passenger conveyor is measured. Will the allowable Braking distance exceeded, the first output contactor 10 deactivated. The recorded speed becomes a control of the braking process used.
the speed control is controlled by the constant Speed measurement done. Falls below the Engine speed a predetermined value, so it will first output contactor 10 shutdown.
the step or pallet belt speed of the Passenger conveyor is replaced by another Speed sensor 15 measured and in Security system 7 checked.
the safety device for the detection of the unwanted reversal of direction of travel and the overspeed is the safety device in the Safety system 7 of the brake system integrated. If this Safety device the passenger conveyor switches off, the first output contactor 10 will immediately deactivated.
the second output contactor 11 from the second channel 9 is on the first channel 8 returned. This will make the right one Switch position of the second channel 9, in particular the second Output contactor 11, checked. Are under switch position understand analog or digital information. For example, under digital information Understand information such as on / off or yes / no etc.
the second channel 9 switches incorrectly or not in the correct time sequence, so through the first channel 8 Error triggered and the passenger conveyor stopped.
the second channel 9 transmits further Bus systems B regular messages. Will these messages not received by the first channel 8, so the Passenger conveyor system shutdown.
the second channel 9 monitors the frequency converter 3. If a frequency converter fault is detected, it will second output contactor 11 shutdown.
the second channel 9 also monitors the first channel 8.
the first output contactor 10 from the first channel 8 is on the second channel 9 returned. This will make the right one Switch position of the first channel 8, in particular the first Output contactor 10 checked. Switches the first channel 8 wrong or not in the correct time sequence, so is by the second channel 9 triggered an error and the Passenger conveyor stopped. Further transmitted the first channel 8 via bus systems B regular messages. If these messages are not received by the second channel 9, so the person request device is shut down.
each of the channels 8, 9 the switching state of the monitor another channel.
Each channel 8, 9 tests independently from the other channel, whether the other channel is the right one Has switching state.
each channel 8, 9 the switching state of the output contactor 10, 11 of the other Check channel. Monitoring the switching status no data comparison is understood, but a Check whether the two channels are actually working. It condition monitoring is carried out.
Channels 8, 9 control the braking process, the control and the The braking is controlled via the frequency converter.
the channels 8, 9 have no direct influence on the Frequency converter 3, this is done by the separate Control 6.
the processor controls of channels 8, 9 are advantageously connected via an RS485 bus B and exchange information regularly. Sends a channel no information or false information so is about the other channel triggered an error and the Passenger conveyor stopped. If on one serial interface data can be exchanged Assume that the system is working properly is working.
Other known and proven bus systems such as Example LON bus, can also be used.
the bus communication is not limited to the two channels 8, 9, but can also refer to other components of the entire circuit extend.
the detection of the interruption of the safety circuit is determined as follows: The end of the safety circuit is led to two safety circuit contactors, which are integrated in the waste control of the other contactors and are checked for drops before each start. The switching state is performed on the first channel 8 and on the second channel 9. If the safety circuit is interrupted, the safety circuit contactors drop out and activate the electrical braking.
the comparison unit 12 is one of the channels 8, 9 separate unit.
the comparison unit 12 receives a Input information about the switching status of channels 8, 9, in particular about the switching status of the output contactors 10, 11.
the comparison takes place independently of channels 8, 9 takes place and takes place in a test cycle, which is security elevated.
the test cycle of the equipment is carried out as follows by the comparison unit 12: After the end of the trip or when the safety circuit is interrupted, all contactors (drive contactors, contactors for safety devices, safety circuit contactors and the drive control contactors, i.e. the first and second output contactors 10, 11) are de-energized. As a result, the comparison unit 12 performs a waste check of the contactors before each start of the journey. During the initiation of the journey, the functionality of the contactors is checked and the control is then ready for the next start. A check contactor, who checks the dropped contactors, must pull in at the start of the journey and is checked for the dropped condition while driving.
the output contactors must be used to initiate the journey have fallen off. During the journey they have to Output contactors must be pulled. After a certain amount of time after the end of braking both output contactors must have fallen off. Both must be applied during braking Output contactors must be pulled. There will be a bug in this Switching sequence recognized, the system is switched off and must be reactivated by one person.
step S2 If a safety circuit interruption is determined during normal operation of the passenger conveyor (step S2), then a stop command is given to the frequency converter 3 so that the frequency converter can carry out the electrical braking (step S3).
the safety circuit is activated, which monitors the braking process via the first channel 8 and the second channel 9. If any error is found in the monitoring parameters of the channels 8, 9, the bridging is controlled via the frequency converter 3 (step S15).
the drive contactors 5 drop (step S16) and the holding brake 2 applies (step S17).
step S18 The passenger conveyor stops (step S18).

Landscapes

Escalators And Moving Walkways (AREA)

EP02027814.9A 2001-12-24 2002-12-12 Procédé pour stopper un dispositif de transport pour personnes Expired - Lifetime EP1323661B1 (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
EP02027814.9A EP1323661B1 (fr)	2001-12-24	2002-12-12	Procédé pour stopper un dispositif de transport pour personnes

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
EP01811269		2001-12-24
EP01811269		2001-12-24
EP02027814.9A EP1323661B1 (fr)	2001-12-24	2002-12-12	Procédé pour stopper un dispositif de transport pour personnes

Publications (2)

Publication Number	Publication Date
EP1323661A1 true EP1323661A1 (fr)	2003-07-02
EP1323661B1 EP1323661B1 (fr)	2018-10-10

Family

ID=26077462

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP02027814.9A Expired - Lifetime EP1323661B1 (fr)	2001-12-24	2002-12-12	Procédé pour stopper un dispositif de transport pour personnes

Country Status (1)

Country	Link
EP (1)	EP1323661B1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN104071681A (zh) *	2014-06-19	2014-10-01	广州特种机电设备检测研究院	一种自动扶梯制停参数检测方法
WO2014198545A1 (fr) *	2013-06-13	2014-12-18	Inventio Ag	Procédé de freinage d'une installation de transport de personnes, dispositif de commande de frein pour mettre en œuvre le procédé de freinage, et installation de transport de personnes équipée d'un dispositif de commande de frein
EP4063310A1 (fr)	2021-03-24	2022-09-28	Inventio Ag	Procédé de commande d'une installation de transport des personnes

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19803899A1 (de) *	1998-02-02	1999-08-12	O & K Rolltreppen Gmbh	Verfahren zum Abbremsen von Rolltreppen bzw. Rollsteigen sowie Bremseinrichtung für Rolltreppen bzw. Rollsteige
DE19849238C1 (de) *	1998-10-26	2000-03-09	O & K Rolltreppen Gmbh	Verfahren zur Abschaltung von Personenförderanlagen sowie Sicherheitskreis für Personenförderanlagen

2002
- 2002-12-12 EP EP02027814.9A patent/EP1323661B1/fr not_active Expired - Lifetime

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19803899A1 (de) *	1998-02-02	1999-08-12	O & K Rolltreppen Gmbh	Verfahren zum Abbremsen von Rolltreppen bzw. Rollsteigen sowie Bremseinrichtung für Rolltreppen bzw. Rollsteige
DE19849238C1 (de) *	1998-10-26	2000-03-09	O & K Rolltreppen Gmbh	Verfahren zur Abschaltung von Personenförderanlagen sowie Sicherheitskreis für Personenförderanlagen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2014198545A1 (fr) *	2013-06-13	2014-12-18	Inventio Ag	Procédé de freinage d'une installation de transport de personnes, dispositif de commande de frein pour mettre en œuvre le procédé de freinage, et installation de transport de personnes équipée d'un dispositif de commande de frein
US9469504B2 (en)	2013-06-13	2016-10-18	Inventio Ag	Braking method and control for passenger transportation system
EP3008007B1 (fr)	2013-06-13	2017-03-29	Inventio AG	Procédé de freinage pour une installation de transport de personnes, commande de freinage pour la réalisation du procédé de freinage et installation de transport de personnes dotée d'une commande de freinage
CN104071681A (zh) *	2014-06-19	2014-10-01	广州特种机电设备检测研究院	一种自动扶梯制停参数检测方法
EP4063310A1 (fr)	2021-03-24	2022-09-28	Inventio Ag	Procédé de commande d'une installation de transport des personnes

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Publication number	Publication date
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