CN106044434B - A kind of protective device of elevator host - Google Patents

A kind of protective device of elevator host Download PDF

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Publication number
CN106044434B
CN106044434B CN201610601561.6A CN201610601561A CN106044434B CN 106044434 B CN106044434 B CN 106044434B CN 201610601561 A CN201610601561 A CN 201610601561A CN 106044434 B CN106044434 B CN 106044434B
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China
Prior art keywords
elevator
sensor
elevator host
host
fault diagnosis
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CN201610601561.6A
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Chinese (zh)
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CN106044434A (en
Inventor
赵碧涛
华志伟
张世宝
赵鹏林
魏劼
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SJEC Corp
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SJEC Corp
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006Monitoring devices or performance analysers
    • B66B5/0018Devices monitoring the operating condition of the elevator system
    • B66B5/0031Devices monitoring the operating condition of the elevator system for safety reasons

Abstract

The invention discloses a kind of protective devices of elevator host.Protective device; manipulation unit including sequentially connected sensor, fault diagnosis module and elevator; sensor is fixed on elevator host; sensor is able to detect the relevant parameter of elevator host vibration and feeds back to fault diagnosis module; reference point is set in fault diagnosis module; when relevant parameter is greater than reference point, the signal that fault diagnosis module feeds back elevator host work abnormal state gives manipulation unit, and manipulation unit control elevator main shut-down system simultaneously prompts elevator host work abnormal state.Using the vibration state of sensor real-time detection elevator host, judge by the comparison of fault diagnosis module, by manipulating the automatic control of unit, manipulates elevator shutdown in time in elevator host abnormal vibration.Inspected periodically without artificial, can real-time monitoring, vibration fault discovery is timely.Vibration fault discovery after autostop can effectively ensure that using elevator passenger using safe.

Description

A kind of protective device of elevator host
Technical field
The present invention relates to elevator technology fields, and in particular to the protective device of elevator host.
Background technique
Currently, the operation of elevator needs elevator host to provide power.Core component of the elevator host as elevator, to elevator Entire service life plays extremely important effect, and existing elevator host is the master that setting is fixed on by fastener mostly Machine installed position.The operating of elevator host can generate the vibration of certain amplitude, under normal circumstances, the fastening of fixed elevator host Part can effectively limit the Oscillation Amplitude in elevator host operation process.When the long-time service of elevator host or other reasons are led After causing the fastener of fastening elevator host to loosen, elevator host can generate larger vibration amplitude and cause elevator host wrong when operating Position, leaves correct installation fixing position and sets.This reverse risk for being possible to bring elevator host and and motor bearings damage wind Danger damages passenger when thus may cause elevator operation.In the prior art, to the unexpected vibration displacement of elevator host Detection is handled by maintenance staff's regular visit.Since the unexpected vibration displacement of elevator host is not obvious, when manual inspection It can not usually find and ignored, the real-time of detection is also poor, this brings biggish safety wind to the normal use of elevator Danger.
Summary of the invention
In view of this, providing one kind being capable of real-time detection, inspection the purpose of the invention is to overcome the deficiencies of existing technologies Survey the protective device of the high elevator host of accuracy.
In order to achieve the above objectives, the present invention provides a kind of protective device of elevator host, for the work to elevator host Status monitoring protection.The protective device includes the manipulation unit of sequentially connected sensor, fault diagnosis module and elevator, institute It states sensor to be fixed on elevator host, the sensor is able to detect the relevant parameter of elevator host vibration and feeds back to Fault diagnosis module is set with matched reference point corresponding with relevant parameter in the fault diagnosis module, when sensor is examined When surveying the relevant parameter obtained less than or equal to reference point, the fault diagnosis module feedback elevator host work state is normally believed Number to manipulation unit;When the detected relevant parameter of sensor is greater than reference point, the fault diagnosis module feeds back elevator The signal of host work abnormal state gives manipulation unit, and manipulation unit control elevator main shut-down system simultaneously prompts elevator host work shape State is abnormal.
Specifically, the sensor is fixed on the pedestal of elevator host by installing fixation kit, the installation Fixation kit includes mounting plate, the first fastening bolt and the second fastening bolt, and the top of mounting plate, institute is arranged in the sensor The lower part for stating the first fastening bolt self installation plate passes through mounting plate and connect with sensor threads, and the sensor is by the first fastening spiral shell Bolt is tightened on mounting plate, and the second fastening bolt self installation plate top passes through the pedestal spiral shell of mounting plate and elevator host Line connection, the mounting plate are tightened on the pedestal of elevator host by the second fastening bolt.
Preferably, there are two sensor tools, described two sensors set up separately elevator host two sides and respectively with Fault diagnosis module connection, when two detected relevant parameters of sensor, which are respectively less than, is equal to reference point, the failure is examined The disconnected normal signal of module feedback elevator host work state gives manipulation unit;When at least one detection obtains in two sensors Relevant parameter when being greater than reference point, the signal of fault diagnosis module feedback elevator host work abnormal state is single to manipulation Member, manipulation unit control elevator main shut-down system simultaneously issue alarm signal.
Specifically, the sensor is vibrating sensor, the vibrating sensor is able to detect the position of elevator host vibration One of three kinds of shifting amount, velocity and acceleration relevant parameters.
Preferably, timer is provided in the fault diagnosis module, the timer is set with the signal shielding time, when When elevator host-initiated works, the manipulation unit sends a signal to fault diagnosis module triggering timing device timing, simultaneous faults The signal of diagnostic module shield sensor feedback;After the time of timer record reaching the signal shielding time, the failure is examined Disconnected module starting receives the signal of sensor feedback.
Further, the protective device further includes the alarm that can issue alarm signal, the alarm and elevator Manipulation unit connection, when the detected relevant parameter of sensor be less than or equal to reference point when, the fault diagnosis module is anti- It feeds the terraced normal signal of host work state and gives manipulation unit;When the detected relevant parameter of sensor is greater than reference point When, the signal of the fault diagnosis module feedback elevator host work abnormal state gives manipulation unit, manipulation unit control alarm Device work issues alarm signal.
Compared to the prior art, the protective device of elevator host of the invention has the advantage that
Using the vibration state of sensor real-time detection elevator host, judges by the comparison of fault diagnosis module, pass through The automatic control for manipulating unit manipulates elevator shutdown in elevator host abnormal vibration in time.It is inspected periodically without artificial, energy The operation conditions of enough real-time monitoring elevator hosts, vibration fault discovery are timely.Autostop after vibration fault discovery can have Effect guarantee using elevator passenger using safe.The accuracy in detection of sensor is high, effectively excludes the missing inspection feelings of artificial detection The generation of condition.
Detailed description of the invention
Fig. 1 is a kind of protective device installation condition schematic diagram of elevator host of the present invention;
Fig. 2 is the partial enlargement diagram in Fig. 1 at A;
Fig. 3 is a kind of catenation principle schematic diagram of the protective device of elevator host of the present invention;
Wherein: 1, sensor;2, fault diagnosis module;3, unit is manipulated;4, mounting plate;5, the first fastening bolt;6, Two fastening bolts;7, alarm;100, elevator host.
Specific embodiment
Detailed description of the preferred embodiments with reference to the accompanying drawing.
As shown in Figure 1 to Figure 3, a kind of protective device of elevator host, for the working state monitoring to elevator host 100 Protection.The protective device includes the manipulation unit 3 and alarm of sequentially connected sensor 1, fault diagnosis module 2, elevator 7.The sensor 1 is fixed on elevator host 100, and the sensor 1 is able to detect the association of the vibration of elevator host 100 Parameter simultaneously feeds back to fault diagnosis module 2.In the present embodiment, sensor 1 is vibrating sensor, and the vibrating sensor can be examined Survey one of three kinds of displacement, the velocity and acceleration relevant parameters of the vibration of elevator host 100.The vibration of general elevator host Dynamic frequency is moderate, using the vibrating sensor of detection displacement.In order to guarantee the stability and accuracy of detection data, this implementation Using two sensors 1.Described two sensors 1 set up the two sides in elevator host 100 separately and connect respectively with fault diagnosis module 2 It connects.The sensor 1 is fixed on the pedestal of elevator host 100 by installing fixation kit.The installation fixation kit Including mounting plate 4, the first fastening bolt 5 and the second fastening bolt 6.The top of mounting plate 4 is arranged in the sensor 1, described The lower part of first fastening bolt, 5 self installation plate 4 passes through mounting plate 4 and is threadedly coupled with sensor 1, and the sensor 1 is tight by first Fixing bolt 5 is tightened on mounting plate 4, and 6 self installation plate of the second fastening bolt, 4 top passes through mounting plate 4 and elevator master The whorl of base of machine 100 connects, and the mounting plate 4 is tightened on the pedestal of elevator host 100 by the second fastening bolt 6.
Matched reference point corresponding with relevant parameter is set in the fault diagnosis module 2.In the present embodiment, association The displacement of parameter selection elevator host vibration.When the displacement that the elevator host vibration obtained is surveyed in two sensor inspections 1 is small When being equal to reference point, the fault diagnosis module 2 feeds back the normal signal of 100 working condition of elevator host and gives manipulation unit 3; When the displacement of the detected elevator host vibration of at least one in two sensors 1 is greater than reference point, the failure is examined The signal that disconnected module 2 feeds back 100 working condition of elevator host exception gives manipulation unit 3, and manipulation unit 3 controls elevator host 100 It shuts down and prompts 100 working condition of elevator host abnormal.Manipulation unit 3 controls elevator host 100 and shuts down and control 7 work of alarm Make sending alarm signal.
Since elevator host 100 is in the stage of starting operation, can when Oscillation Amplitude compares normal operation for some time compared with Greatly.In order to ensure protective device can correctly judge the operation conditions of elevator host 100, prevent protective device false alarm from accidentally grasping Make, in the signal shielding that the stage of the starting operation of elevator host 100 acquires sensor 1.Specifically, the fault diagnosis module Timer is provided in 2, the timer is set with the signal shielding time, when elevator host 100 starts work, the manipulation Unit 3 sends a signal to 2 triggering timing device timing of fault diagnosis module, 2 shield sensor 1 of simultaneous faults diagnostic module feedback Signal;After the time of timer record reaching the signal shielding time, it is anti-that the starting of fault diagnosis module 2 receives sensor 1 The signal of feedback.In this way, guaranteeing the vibration state of protective device real-time detection elevator host when elevator host 100 runs well. Inspection of the maintenance staff periodically to the vibration state of elevator host 100 is no longer needed, labour, and real-time monitoring have been saved, It encounters vibration state exception and alarm and shuts down, effective protection while also protecting electricity using the safety of the passenger of elevator The elevators main component such as terraced host, the damage for preventing elevator host from running in an abnormal situation.In addition, the detection knot of sensor 1 The case where result that fruit compares artificial detection is more accurate, effectively excludes artificial missing inspection occurs.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, it is all according to the present invention Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.

Claims (5)

1. a kind of protective device of elevator host, is protected for the working state monitoring to elevator host (100), feature exists In: the protective device includes the manipulation unit (3) of sequentially connected sensor (1), fault diagnosis module (2) and elevator, institute It states sensor (1) to be fixed on elevator host (100), the sensor (1) is able to detect elevator host (100) vibration Relevant parameter is simultaneously fed back to fault diagnosis module (2), is set with corresponding with relevant parameter in the fault diagnosis module (2) The reference point matched, when sensor (1) detected relevant parameter is less than or equal to reference point, the fault diagnosis module (2) The normal signal of elevator host (100) working condition is fed back to manipulation unit (3);When the detected association ginseng of sensor (1) When number is greater than reference point, the signal of described fault diagnosis module (2) feedback elevator host (100) working condition exception is single to manipulation First (3), manipulation unit (3) control elevator host (100) shut down and prompt elevator host (100) working condition abnormal;
It is provided with timer in the fault diagnosis module (2), the timer is set with the signal shielding time, when elevator host (100) when starting work, the manipulation unit (3) sends a signal to fault diagnosis module (2) triggering timing device timing, while event Hinder the signal of diagnostic module (2) shield sensor (1) feedback;After the time of timer record reaching the signal shielding time, institute State the signal that fault diagnosis module (2) starting receives sensor (1) feedback.
2. a kind of protective device of elevator host according to claim 1, it is characterised in that: the sensor (1) passes through Installation fixation kit is fixed on the pedestal of elevator host (100), and the installation fixation kit includes mounting plate (4), the One fastening bolt (5) and the second fastening bolt (6), sensor (1) setting are tight on the top of mounting plate (4), described first The lower part of fixing bolt (5) self installation plate (4) passes through mounting plate (4) and is threadedly coupled with sensor (1), and the sensor (1) is by the One fastening bolt (5) is tightened on mounting plate (4), and the second fastening bolt (6) self installation plate (4) top passes through installation Plate (4) is connect with the whorl of base of elevator host (100), and the mounting plate (4) is tightened to electricity by the second fastening bolt (6) On the pedestal of terraced host (100).
3. a kind of protective device of elevator host according to claim 2, it is characterised in that: the sensor (1) has Two, described two sensors (1) are set up the two sides in elevator host (100) separately and are connect respectively with fault diagnosis module (2), when When two detected relevant parameters of sensor (1) are respectively less than equal to reference point, the fault diagnosis module (2) feeds back elevator The normal signal of host (100) working condition is to manipulation unit (3);When at least one in two sensors (1) is detected When relevant parameter is greater than reference point, the signal of described fault diagnosis module (2) feedback elevator host (100) working condition exception is given It manipulates unit (3), manipulation unit (3) control elevator host (100) shuts down and issues alarm signal.
4. a kind of protective device of elevator host according to claim 1, it is characterised in that: the sensor (1) is vibration Dynamic sensor, the vibrating sensor are able to detect the displacement of elevator host (100) vibration, three kinds of velocity and acceleration associations One of parameter.
5. a kind of protective device of elevator host according to claim 1, it is characterised in that: the protective device further includes The alarm (7) of alarm signal can be issued, the alarm (7) connect with the manipulation unit (3) of elevator, when sensor (1) When detected relevant parameter is less than or equal to reference point, fault diagnosis module (2) feedback elevator host (100) the work shape The normal signal of state is to manipulation unit (3);When sensor (1) detected relevant parameter is greater than reference point, the failure Diagnostic module (2) feeds back the signal of elevator host (100) working condition exception to manipulation unit (3), manipulation unit (3) control report Alert device (7) work issues alarm signal.
CN201610601561.6A 2016-07-28 2016-07-28 A kind of protective device of elevator host Active CN106044434B (en)

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Publication number Priority date Publication date Assignee Title
CN110147181A (en) * 2019-05-28 2019-08-20 深圳市华星光电半导体显示技术有限公司 A kind of method for arranging and arragement construction of sensor
CN112379614A (en) * 2020-10-14 2021-02-19 北京市地铁运营有限公司地铁运营技术研发中心 Motor foundation monitoring method and system for subway escalator
CN112225049B (en) * 2020-12-14 2021-03-02 苏州蒙特纳利驱动设备有限公司 Elevator traction machine with shock-absorbing function

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JP4937568B2 (en) * 2005-11-21 2012-05-23 三菱電機株式会社 Elevator control device
CN202766069U (en) * 2012-05-14 2013-03-06 日立电梯(中国)有限公司 Protection device for elevator drive device
CN102718100B (en) * 2012-06-13 2015-06-17 中山市卓梅尼控制技术有限公司 Early warning system for elevator fault and early warning method for elevator fault
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Effective date of registration: 20180423

Address after: 215122 Suzhou Industrial Park, Suzhou Province, the only new road, No. 28, Jiangsu

Applicant after: Jiangnan Jiajie Lift Co., Ltd., Jiangsu

Address before: 215122 Suzhou Industrial Park, Jiangsu, the only new road, No. 28

Applicant before: Suzhou Fushi Elevator Co., Ltd.

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Denomination of invention: A protection device for elevator host

Effective date of registration: 20201218

Granted publication date: 20190201

Pledgee: CITIC Bank Limited by Share Ltd. Suzhou branch

Pledgor: SJEC Corp.

Registration number: Y2020320010248

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Pledgor: SJEC Corp.

Registration number: Y2020320010248

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Denomination of invention: A protection device for elevator host

Effective date of registration: 20211028

Granted publication date: 20190201

Pledgee: Bank of China Limited Suzhou Industrial Park Branch

Pledgor: SJEC Corp.

Registration number: Y2021320010434