CN106124613A - Elevator wire rope fracture of wire based on radio network technique monitoring system - Google Patents
Elevator wire rope fracture of wire based on radio network technique monitoring system Download PDFInfo
- Publication number
- CN106124613A CN106124613A CN201610599464.8A CN201610599464A CN106124613A CN 106124613 A CN106124613 A CN 106124613A CN 201610599464 A CN201610599464 A CN 201610599464A CN 106124613 A CN106124613 A CN 106124613A
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- Prior art keywords
- wire rope
- elevator
- card
- radio network
- magnetic
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/83—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields
- G01N27/85—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields using magnetographic methods
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
Elevator wire rope fracture of wire based on radio network technique monitoring system, accommodates device including Magnetic Flux Leakage Inspecting sensor, encoder, analog input card, wireless network card and machinery.Magnetic Flux Leakage Inspecting sensor, encoder accommodate device with analog input card by machinery and are fixed on the support of elevator traction system one monitoring node of composition, detect many steel wire ropes simultaneously.Sensing data possesses two kinds of tupes: one monitors process for a long time in real time, the local flaw signal collected and position signalling are sent on server by analog input card through wireless network card or netting twine, the elevator wire rope health status data collecting the detection of each monitoring node are carried out unifiedly calculating, analyzing by server, and result is pushed to the terminal unit such as mobile phone, flat board by Wi-Fi the most at last.A kind of maintenance and debugging process, specialized maintenance personnel carry and run the steel rope fault that LabVIEW platform writes and analyze the notebook of program or panel computer carries out Site Detection.
Description
Technical field
Elevator wire rope fracture of wire based on wireless network monitoring system, belongs to Nondestructive detection with magnetic flux leakage technology and leads with radio communication
Territory, its effect is detection elevator wire rope fracture of wire and by wireless network, testing result is pushed to user.
Background technology
Along with the propelling of urbanization, box-type elevator is as a kind of visual plant connecting upper and lower floor, and it is safe and reliable
Property increasingly comes into one's own.Traction steel-cable is related to the people of user as elevator important component part, its health status
Body safety, so ensureing that the health of steel wire rope is to reduce the important way of elevator accident.The defect of steel wire rope is broadly divided into metal
Space wastage type defect and local defect, owing to steel wire rope major part uses the high-carbon steel that magnetic property is good to make, so magnetic
Property detection method become the method that current wire rope standard Technical comparing is ripe, but this detection device detection efficiency is low, it is impossible to
Real-time reaction elevator wire rope state, also lacks a kind of towards popular "smart" products, it is possible to fast and effectively will simultaneously
Testing result feeds back to user.Along with the development of radio network technique Yu smart mobile phone speed, Internet of Things becomes following sending out
Exhibition trend, blends radio network technique with elevator wire rope detection and utilizes smart mobile phone or panel computer as display terminal
There is preferable development prospect.
Summary of the invention
The invention aims to design a set of elevator wire rope fracture of wire based on radio network technique monitoring system former
Reason is as shown in Figure 1.Develop a Detecting broken wires in steel rope sensor by Magnetic Flux Leakage Inspecting method to blend with radio network technique,
The data of detection are pushed to the mobile terminal device such as smart mobile phone, panel computer after server calculating, analysis.
Magnetic Flux Leakage Inspecting sensor construction is as shown in Figure 2.By Magnetic Flux Leakage Inspecting sensor ring around on a steel cord, it is ensured that leakage field is examined
The lift-off distance surveying sensor and steel wire rope is 1mm.Whole Magnetic Flux Leakage Inspecting sensor construction is fixed on elevator traction system
On support as it is shown on figure 3, do not affect elevator properly functioning on the premise of detect steel wire rope.
Analog input card collection is as shown in Figure 4.There is multi-channel parallel analog-digital conversion function, count pulse function, data buffer storage
And SD card storage function, RS458 data-transformation facility, wireless network card linkage function.
To achieve these goals, the present invention adopts the following technical scheme that:
Traction system 1, weight balancing system 2, compartment system 3, buffer 4 are sequentially connected composition elevator agent structure.Steel
Cord 5 is the traction main body of traction system 1, and encoder 6 accommodates device 7 by machinery and is arranged on steel wire rope 5, wireless network card 8
It is connected with analog input card 18 such as Fig. 4；Encoder 6 gathers steel wire rope be good in order to record defective locations information and analog input card such as Fig. 4
The data breath of health situation is connected with server 10 by cable 9 or wireless router 11, and server 10 is by signal transmitting tower 12
It is connected alternately with mobile intelligent terminal.
Magnetic Flux Leakage Inspecting sensor is the detection basic component units of sensor in Fig. 1, is detected by sensor array simultaneously
That detects sensor in many elevator wire rope Fig. 1 simultaneously is fixed on traction system position such as Fig. 3.Magnetic Flux Leakage Inspecting sensor construction
As in figure 2 it is shown, Magnetic Flux Leakage Inspecting sensor construction includes four excitation units, each excitation unit include two opposite polarity forever
Magnet 13 and a magnetic conduction heel piece 14, the two ends of two permanent magnets 13 and magnetic conduction heel piece 14 connect and compose U-shaped magnetic circuit；Shielding case 16
Being arranged in U-shaped magnetic circuit, four tunnel magnetoresistance elements 15 are uniformly arranged in shielding case 16, and meanwhile, tunnel magnetoresistance element 15 is made
For receiving the sensor of steel rope fault magnetic leakage signal, and magnetic leakage signal is converted to the signal of telecommunication；Thickness is the ferromagnetism screen of 2mm
Covering shell 16 provides Relative Zero magnetic field strong environment for tunnel magnetoresistance element, reduces the stray magnetic field shadow to tunnel magnetoresistance element in air
Ring.
Described analog input card 18 is the pith detecting sensor in pie graph 1 as shown in Figure 4, has both-end 18 tunnel
A/D sampling channel, parallel 10KHz sample frequency, resolution is 16, input impedance 10M Ω, it is ensured that the magnetic leakage signal of collection is relatively
Little distortion, and the data of multiple passage can be gathered simultaneously, data are existed in SD card or USB flash disk, it is simple to operator analyzes, place
Reason data.
Described wireless network card 8 uses IEEE802.11g wireless communication protocol, it is possible to notebook computer, panel computer,
The mobile terminal such as smart mobile phone, wireless router is mutual, it is possible to saves and lays the required fund spent of a large amount of cables.Wireless network card
Wi-Fi technology transfer rate is used to reach as high as 11Mb/s, although to want than Bluetooth technology, NFC technique in terms of Information Security
Weak, but far win in terms of the coverage of radio wave and raise.Transmission range is at about 100m, it is possible to meet actually used need
Ask.
LabVIEW program and relevant data processing algorithm program is run in described server 10, can be by whole community
The data of elevator wire rope health status carry out adding up, calculate, analysis etc., and result passes through Wi-Fi technology the most at last) push
On the mobile terminal device of user.
Described Wi-Fi technology is Wi-Fi or 3G or 4G.
The present invention can obtain following beneficial effect:
1, collection terminal uses radio network technique to be combined together by the data set of residential elevator steel wire health status, Ke Yijie
Save a large amount of fund laying the required cost of cable and the expense of future maintenance infrastructure.
2, receiving terminal uses radio network technique that user can be allowed to pass through the terminal units such as mobile phone, flat board, computer at any time
Understanding this residential elevator steel wire rope health status everywhere, is conducive to avoiding risk in time.
3, compare tradition and artificially detect elevator wire rope, use steel wire detector can detect fracture of wire more accurately, just
Elevator wire rope is changed in time in related personnel.
Accompanying drawing explanation
Fig. 1 elevator wire rope based on radio network technique fracture of wire detecting system schematic diagram；
Fig. 2 Magnetic Flux Leakage Inspecting sensor construction figure；
Fig. 3 detects device installation diagram；
Fig. 4 analog input card functional schematic；
Fig. 5 server capability schematic diagram；
In figure: 1-traction system 2-weight balancing system 3-compartment system 4-buffer 5-steel wire rope 6-encoder
7-machinery accommodates device 8-wireless network card 9-cable 10-server 11-wireless router 12-signal transmitting tower 13-forever
Magnet 14-yoke 15-tunnel magnetoresistance element 16-shielding case 17-Magnetic Flux Leakage Testing Instrument 18-analog input card
Detailed description of the invention
According to above summary of the invention, elevator wire rope based on radio network technique monitoring system can provide following embodiment party
Formula.
When system is in long term monitoring, sensor is by elevator wire rope local flaw signal and position signalling, through wireless network card
8 or cable 9 be sent on server 10, server will collect each monitoring node detection elevator wire rope health status number
Unifiedly calculating, analyze according to carrying out, result is pushed to the terminal unit such as mobile phone, flat board by Wi-Fi the most at last.
When system is in maintenance and debugging pattern, specialized maintenance personnel's portability runs the steel wire that LabVIEW platform is write
Notebook or the panel computer of rope broken wire analysis program carry out Site Detection.
On Detecting broken wires in steel rope magnetic apparatus selection: (1) excitation selects U-shaped magnetic circuit in form, do not affecting magnetic conduction
Under premise, U-shaped excitation unit low cost of manufacture；(2) use permanent magnet as excitation source, an energized circuit is installed two poles
The Magnet that property is contrary, magnetic field of magnets intensity is moderate.Compare traditional coil stimulating and solve heating problem；(3) detecting element
Select highly sensitive, the tunnel magnetoresistance element that the range of linearity is wide.
On analog input card selects: (1) analog input card should have multichannel analog-digital conversion function, it is possible to by tunnel magnetoresistive unit
The voltage signal of part detection is converted into digital signal；(2) voltage range of permission input at-5V～+5V, voltage resolution is
0.5mv, parallel sampling frequency is more than 1KHz；(3) analog input card should have tally function, PWM output function, SD card storage merit
Can, wireless communication function.
Wireless network card selects upper: (1) wireless network card selects USB wireless network card, meets 802.11g requirement；(2) coverage
100m to be exceeded2。
With above detailed description of the invention, the present invention is described further below in conjunction with the accompanying drawings.
If Fig. 1 is whole system schematic diagram: install steel rope fault inspection on traction system 1 support of each box elevator
Surveying device 17, Detecting broken wires in steel rope device will gather the data of steel wire rope health status by wireless network card 8 or cable 9
Pass to server 10, server after calculating, process, analyzing, utilize modern wireless network technology (Wi-Fi, bluetooth, 3G,
4G) being pushed to user terminal, user can easily understand this residential elevator steel wire rope situation.
Claims (5)
1. elevator wire rope fracture of wire based on radio network technique monitoring system, it is characterised in that: traction system (1), weight are flat
Balance system (2), compartment system (3), buffer (4) are sequentially connected composition elevator agent structure；Steel wire rope (5) is traction system
(1) traction main body, encoder (6) accommodates device (7) by machinery and is arranged on steel wire rope (5), wireless network card (8) and collection
Board (18) connects；Encoder (6) is in order to record defective locations information and the data of analog input card collection steel wire rope health status
Breath is connected with server (10) by cable (9) or wireless router (11), server (10) pass through signal transmitting tower (12) and
Mobile intelligent terminal connects alternately；
Magnetic Flux Leakage Inspecting sensor is the detection basic component units of sensor, is detected many elevator steel by sensor array simultaneously
Cord and simultaneously detection sensor be fixed on traction system position；Magnetic Flux Leakage Inspecting sensor construction includes four excitation units,
Each excitation unit includes two opposite polarity permanent magnets (13) and a magnetic conduction heel piece (14), two permanent magnets (13) with lead
The two ends of magnetic vibrating feeder yoke (14) connect and compose U-shaped magnetic circuit；Shielding case (16) is arranged in U-shaped magnetic circuit, four tunnel magnetoresistance elements
(15) being uniformly arranged in shielding case (16), meanwhile, tunnel magnetoresistance element (15) is as receiving steel rope fault magnetic leakage signal
Sensor, and magnetic leakage signal is converted to the signal of telecommunication；Thickness is that the ferromagnetism shielding case (16) of 2mm provides for tunnel magnetoresistance element
The strong environment in Relative Zero magnetic field, reduces the stray magnetic field impact on tunnel magnetoresistance element in air.
Elevator wire rope fracture of wire based on radio network technique the most according to claim 1 monitoring system, it is characterised in that:
Described analog input card (18) has both-end 18 road A/D sampling channel, parallel 10KHz sample frequency, and resolution is 16, input
Impedance 10M Ω, it is ensured that the less distortion of magnetic leakage signal of collection, and the data of multiple passage can be gathered simultaneously, data are deposited
In SD card or USB flash disk, it is simple to operator analyzes, processes data.
Elevator wire rope fracture of wire based on radio network technique the most according to claim 1 monitoring system, it is characterised in that:
Described wireless network card (8) uses IEEE802.11g wireless communication protocol, it is possible to notebook computer, panel computer, intelligence hands
Machine, wireless router mobile terminal are mutual, it is possible to save and lay the required fund spent of a large amount of cables；Wireless network card uses Wi-
Fi technical transmission speed reaches as high as 11Mb/s, although more weak than Bluetooth technology, NFC technique in terms of Information Security, but
The coverage aspect of radio wave far wins raises；Transmission range is at about 100m, it is possible to meet actually used demand.
Elevator wire rope fracture of wire based on radio network technique the most according to claim 1 monitoring system, it is characterised in that:
LabVIEW program and relevant data processing algorithm program is run in described server (10), can be by whole residential elevator steel
The data of cord health status carry out adding up, calculate, analysis etc., and result passes through Wi-Fi technology the most at last) it is pushed to user
Mobile terminal device on.
Elevator wire rope fracture of wire based on radio network technique the most according to claim 1 monitoring system, it is characterised in that:
Described Wi-Fi technology is Wi-Fi or 3G or 4G..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610599464.8A CN106124613A (en) | 2016-07-26 | 2016-07-26 | Elevator wire rope fracture of wire based on radio network technique monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610599464.8A CN106124613A (en) | 2016-07-26 | 2016-07-26 | Elevator wire rope fracture of wire based on radio network technique monitoring system |
Publications (1)
| Publication Number | Publication Date |
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| CN106124613A true CN106124613A (en) | 2016-11-16 |
Family
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Family Applications (1)
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| CN201610599464.8A Pending CN106124613A (en) | 2016-07-26 | 2016-07-26 | Elevator wire rope fracture of wire based on radio network technique monitoring system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709928A (en) * | 2018-08-30 | 2018-10-26 | 洛阳泰斯特探伤技术有限公司 | A kind of single rope Internet of Things probe apparatus |
| CN110203794A (en) * | 2019-07-09 | 2019-09-06 | 河北科技大学 | A kind of traction elevator wirerope fault detection method |
| CN110243925A (en) * | 2019-06-14 | 2019-09-17 | 杭州市特种设备检测研究院 | Elevator composite steel band defects detection and evaluating apparatus and method |
| CN113176330A (en) * | 2021-04-30 | 2021-07-27 | 重庆能源职业学院 | Steel wire rope magnetic flux leakage detection system and application of system to elevator |
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| JPS54107037A (en) * | 1978-02-10 | 1979-08-22 | Hitachi Ltd | Elevator cage rope flaw detector |
| CN101259931A (en) * | 2007-03-05 | 2008-09-10 | 东芝电梯株式会社 | Device for detecting wire rope of elevator and method for measuring outside diameter of rope |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108709928A (en) * | 2018-08-30 | 2018-10-26 | 洛阳泰斯特探伤技术有限公司 | A kind of single rope Internet of Things probe apparatus |
| CN110243925A (en) * | 2019-06-14 | 2019-09-17 | 杭州市特种设备检测研究院 | Elevator composite steel band defects detection and evaluating apparatus and method |
| CN110203794A (en) * | 2019-07-09 | 2019-09-06 | 河北科技大学 | A kind of traction elevator wirerope fault detection method |
| CN113176330A (en) * | 2021-04-30 | 2021-07-27 | 重庆能源职业学院 | Steel wire rope magnetic flux leakage detection system and application of system to elevator |
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Application publication date: 20161116 |