CN108689279A - Elevator cable monitoring device based on big data - Google Patents
Elevator cable monitoring device based on big data Download PDFInfo
- Publication number
- CN108689279A CN108689279A CN201810599467.0A CN201810599467A CN108689279A CN 108689279 A CN108689279 A CN 108689279A CN 201810599467 A CN201810599467 A CN 201810599467A CN 108689279 A CN108689279 A CN 108689279A
- Authority
- CN
- China
- Prior art keywords
- cable
- elevator
- photo resistance
- time
- monitoring 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1207—Checking means
- B66B7/1215—Checking means specially adapted for ropes or cables
- B66B7/1223—Checking means specially adapted for ropes or cables by analysing electric variables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/12—Checking, lubricating, or cleaning means for ropes, cables or guides
- B66B7/1207—Checking means
- B66B7/1215—Checking means specially adapted for ropes or cables
- B66B7/1238—Checking means specially adapted for ropes or cables by optical techniques
Abstract
The invention belongs to elevator fields, more particularly to a kind of cable monitoring device, including photo resistance, laser emitter, ohmer, data storage cell, flow of the people monitoring unit and controller etc., when detecting that laser is offset with photo resistance, controller starts the safety to cable and is judged for the first time, and secondary judgement is carried out to the safety of cable in combination with the flow of the people of elevator present position;The safety of cable is evaluated in conjunction with cable unbalance stress and elevator present position flow of the people information summary, in order to which maintenance personal repairs according to judging result in due course, it avoids causing elevator to break down because cable overhauls not in time, to prevent elevator cable breaks, ensure that elevator is reliablely and stablely run.
Description
Technical field
The invention belongs to elevator field, more particularly to a kind of elevator cable monitoring device based on big data.
Background technology
Cable is flexible member necessary to the carrying of the equipment such as elevator, cable whether safety to the operation of elevator to closing weight
It wants.
The detecting wire ropes of elevator of Building Mechanization Research Branch, China Academy of Building Sciences and system according to
Whether every steel wire rope stress of detection elevator is uniformly broken (referenced patent document to prevent elevator wire rope in real time
CN102101618B)。
The patented product of Otis Elevator Company is waved by rope tension adjusting mitigation rope and waves the phase in elevator device
Between mitigate excitation (referenced patent document CN102471024B) to the natural frequencies of multiple ropes.
The device that the patented product of Inventio AG monitors elevator rope, with a sensor realization pair
The monitoring (referenced patent document CN1317178C) of the carrying bolt of cable
There is the patented product of Otis Elevator Company rope to wave the elevator device of detection, based on damper and mass it
Between contact control car movement (referenced patent document CN103003182B).
The method and apparatus that the patented product of Kony Corporation is used to monitor the safety of counter weight type elevator, pass through measurement
(Δ s) forms the signal of the relaxation risk of instruction hoist ropes to the distance that lift car is travelled upwardly from reference point above-mentioned (R1)
(referenced patent document CN105026297B).
Invention content
The present invention provides a kind of monitoring device of elevator cable, the stressing conditions in conjunction with cable and multinomial big number
According to the synthetically safety of evaluation cable ensures that elevator is reliablely and stablely run in order to prevent elevator cable breaks.
The elevator includes the rack plate for fixed cable for being installed on car top;
The monitoring device includes:
Circular photo resistance is fixed on the first cable above rack plate;
Laser emitter, second adjacent with the first cable being oppositely disposed with photo resistance above rack plate
On cable, for emitting laser to photo resistance, in the initial state, the central area of the laser alignment photo resistance, this
When photo resistance resistance value be the first value;
Ohmer is fixed on rack plate, the change in resistance for detecting photo resistance;
Further include:
Population flow detection device is arranged outside cage door, and person-time data of elevator are taken for detecting and counting,
It includes camera unit, processing unit and statistic unit, wherein camera unit is used to carry out the specified region before cage door
Shooting, processing unit for analyzing each frame image, when detect the current picture point in the specified region with
When the gray scale difference value of background pixel point is more than first predetermined value, then judge to specify region someone, when detecting current picture
Point and background image pixels point gray value difference be less than first predetermined value when, then judge specify region nobody;When specified region
When someone, statistic unit increases person-time data, and record and storage specify region the first period person-time sum;
Controller, signal are connected to ohmer and statistic unit, when ohmer detects that the resistance value of photo resistance differs
When the first value, show that cable due to discontinuity, causes the laser emitter on adjacent cable to be produced with photo resistance
More than the relative displacement of zone of reasonableness, so that the light beam for being directed at annular photo resistance central area in the initial state occurs
Offset, at this point, controller judges that the safe-use period of cable is limited to the first validity period, and from statistic unit second period of acquisition
Person-time sum for inside taking elevator shows that car is chronically at payload ratings when described person-time of sum is higher than first threshold
The possibility for the maximum pull that the possibility of state increases namely cable is born increases, to increase cable wear and rupture
Risk, therefore, controller judge that the safe handling time limit of cable shorten to the second validity period by the first validity period, when described person-time
When sum is less than first threshold, controller judges the safe handling time limit of cable still for the first validity period;
Wherein, the first period was preferably one month, and the second period was preferably one week.
The beneficial effects of the invention are as follows:It is integrated in conjunction with the case where cable unbalance stress and elevator present position flow of the people
Ground evaluates the safety of cable, in order to which maintenance personal repairs according to judging result in due course, avoids because of cable maintenance not in time
And elevator is caused to break down, prevent elevator cable breaks to reach, ensures the effect that elevator is reliablely and stablely run
Fruit.
Description of the drawings
Fig. 1 shows hoisting cable structure of the detecting device figure.
Specific implementation mode
With reference to the accompanying drawings, the function that the structure of this system is described in detail and is realized.
Embodiment one:
Circular photo resistance 2, diameter are 5mm, are fixed on the first cable of 1 upper left of rack plate;
Laser emitter 3, adjacent with the first cable being oppositely disposed with photo resistance 2 above rack plate
On two cables, for emitting laser, in the initial state, the center of the laser alignment photo resistance 2 to photo resistance 2
The resistance value in domain, photo resistance at this time 2 is the first value;
Ohmer 4 is fixed on rack plate 1, the change in resistance for detecting photo resistance 2;
Population flow detection device 5 is arranged outside cage door, and person-time number of elevator is taken for detecting and counting
According to comprising camera unit 6, processing unit 7 and statistic unit 8, wherein camera unit 6 is used for specified before cage door
Region is shot, and processing unit 7 is for analyzing each frame image, when the present image for detecting the specified region
When pixel and the gray scale difference value of background pixel point are more than first predetermined value, then judge to specify region someone, it is current when detecting
The gray value difference of image slices vegetarian refreshments and background image pixels point be less than first predetermined value when, then judge specify region nobody;When
When specified region someone, statistic unit 8 increases person-time data, and records and store and specify person-time of the region in one month
Sum;
Controller 9, signal are connected to ohmer 4 and statistic unit 8, when ohmer 4 detects the resistance value of photo resistance
When not equal to the first value, show cable due to discontinuity, the laser emitter on adjacent cable is caused to be produced with photo resistance
The relative displacement more than this zone of reasonableness of 2.5mm is given birth to, so that being directed at annular photo resistance center in the initial state
The light beam in region is deviated, at this point, controller judges that the safe-use period of cable is limited to 12 months, and is obtained from statistic unit
Person-time sum for taking elevator in the second period is taken, when described person-time of sum is higher than first threshold, shows that car is located for a long time
Increase in the possibility for the maximum pull that the possibility of payload ratings state increases namely cable is born, to increase cable
The risk of wear and rupture, therefore, controller judge that the safe handling time limit of cable was shorten to 10 months by 12 months, as the people
When secondary sum is less than first threshold, controller judges the safe handling time limit of cable still for 12 months.
Embodiment two:
Circular photo resistance 2, diameter are 3mm, are fixed on the first cable of 1 upper left of rack plate;
Laser emitter 3, adjacent with the first cable being oppositely disposed with photo resistance 2 above rack plate
On two cables, for emitting laser, in the initial state, the center of the laser alignment photo resistance 2 to photo resistance 2
The resistance value in domain, photo resistance at this time 2 is the first value;
Ohmer 4 is fixed on rack plate 1, the change in resistance for detecting photo resistance 2;
Population flow detection device 5 is arranged outside cage door, and person-time number of elevator is taken for detecting and counting
According to comprising camera unit 6, processing unit 7 and statistic unit 8, wherein camera unit 6 is used for specified before cage door
Region is shot, and processing unit 7 is for analyzing each frame image, when the present image for detecting the specified region
When pixel and the gray scale difference value of background pixel point are more than first predetermined value, then judge to specify region someone, it is current when detecting
The gray value difference of image slices vegetarian refreshments and background image pixels point be less than first predetermined value when, then judge specify region nobody;When
When specified region someone, statistic unit 8 increases person-time data, and records and store and specify person-time of the region in one month
Sum;
Controller 9, signal are connected to ohmer 4 and statistic unit 8, when ohmer 4 detects the resistance value of photo resistance
When not equal to the first value, show cable due to discontinuity, the laser emitter on adjacent cable is caused to be produced with photo resistance
The relative displacement more than this zone of reasonableness of 1.5mm is given birth to, so that being directed at annular photo resistance center in the initial state
The light beam in region is deviated, at this point, controller judges that the safe-use period of cable is limited to 12 months, and is obtained from statistic unit
Person-time sum for taking elevator in one week is taken, when person-time sum in one week is higher than first threshold, shows that car is located for a long time
Increase in the possibility for the maximum pull that the possibility of payload ratings state increases namely cable is born, to increase cable
The risk of wear and rupture, therefore, controller judge that the safe handling time limit of cable was shorten to 10 months by 12 months, as the people
When secondary sum is less than first threshold, controller judges the safe handling time limit of cable still for 12 months.
One skilled in the art would recognize that without departing substantially from the spirit and scope of the invention as describing in general manner,
Various variations and/or modification can be carried out to invention shown in each specific embodiment.Therefore, in terms of all
For, embodiment here is considered as illustrative and and non-limiting.Equally, the present invention includes any feature
Combination, the combination of any feature especially in Patent right requirement, even if the combination of this feature or feature is not in patent
It is explicitely stated in claim or each embodiment here.
Claims (4)
1. a kind of monitoring device of elevator cable, which is characterized in that it combines the stressing conditions of cable and other data comprehensive
The safety for closing ground evaluation cable ensures that elevator is reliablely and stablely run in order to prevent elevator cable breaks.
2. a kind of monitoring device of elevator cable, the elevator includes the branch for fixed cable for being installed on car top
Frame top plate;The monitoring device includes:
Circular photo resistance is fixed on the first cable above rack plate;
Laser emitter, second cable adjacent with the first cable being oppositely disposed with photo resistance above rack plate
On, for emitting laser to photo resistance, in the initial state, the central area of the laser alignment photo resistance, this time
The resistance value of quick resistance is the first value;
Ohmer is fixed on rack plate, the change in resistance for detecting photo resistance;
It is characterized in that, further including:
Population flow detection device is arranged outside cage door, takes person-time data of elevator for detecting and counting, packet
Include camera unit, processing unit and statistic unit, wherein camera unit is for clapping the specified region before cage door
It takes the photograph, processing unit is for analyzing each frame image, when the current picture point and the back of the body for detecting the specified region
When the gray scale difference value of scene vegetarian refreshments is more than first predetermined value, then judge to specify region someone, when detecting current picture point
When being less than first predetermined value with the gray value difference of background image pixels point, then judge to specify region nobody;When specified region has
When people, statistic unit increases person-time data, and record and storage specify region the first period person-time sum;
Controller, signal are connected to ohmer and statistic unit, when ohmer detects the resistance value of photo resistance not equal to the
When one value, show cable due to discontinuity, causes the laser emitter on adjacent cable to produce with photo resistance to be more than
The relative displacement of zone of reasonableness, so that the light beam for being directed at annular photo resistance central area in the initial state has occurred partially
It moves, at this point, controller judges that the safe-use period of cable is limited to the first validity period, and obtains in the second period and take from statistic unit
Person-time sum of elevator ride shows that car is chronically at payload ratings state when described person-time of sum is higher than first threshold
Possibility increase namely the possibility of maximum pull that cable is born increases, to increase the risk of cable wear and rupture,
Therefore, controller judges that the safe handling time limit of cable shorten to the second validity period by the first validity period, when described person-time of sum
When less than first threshold, controller judges the safe handling time limit of cable still for the first validity period.
3. monitoring device as claimed in claim 1 or 2, which is characterized in that first period is one month.
4. monitoring device as claimed in claim 1 or 2, which is characterized in that second period is one week.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810599467.0A CN108689279A (en) | 2018-06-12 | 2018-06-12 | Elevator cable monitoring device based on big data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810599467.0A CN108689279A (en) | 2018-06-12 | 2018-06-12 | Elevator cable monitoring device based on big data |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108689279A true CN108689279A (en) | 2018-10-23 |
Family
ID=63849848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810599467.0A Withdrawn CN108689279A (en) | 2018-06-12 | 2018-06-12 | Elevator cable monitoring device based on big data |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108689279A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423521A (en) * | 2018-06-12 | 2018-08-21 | 牛东阳 | Elevator cable monitors system |
| CN108657896A (en) * | 2018-06-12 | 2018-10-16 | 牛东阳 | The safety monitoring assembly of elevator rope |
| CN114585579A (en) * | 2019-10-29 | 2022-06-03 | 三菱电机株式会社 | Tension measuring device for elevator |
-
2018
- 2018-06-12 CN CN201810599467.0A patent/CN108689279A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108423521A (en) * | 2018-06-12 | 2018-08-21 | 牛东阳 | Elevator cable monitors system |
| CN108657896A (en) * | 2018-06-12 | 2018-10-16 | 牛东阳 | The safety monitoring assembly of elevator rope |
| CN108423521B (en) * | 2018-06-12 | 2019-10-15 | 安徽伟迈信息技术有限公司 | Elevator cable monitors system |
| CN114585579A (en) * | 2019-10-29 | 2022-06-03 | 三菱电机株式会社 | Tension measuring device for elevator |
| CN114585579B (en) * | 2019-10-29 | 2023-03-28 | 三菱电机株式会社 | Tension measuring device for elevator |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181023 |