CN107032206A - With monitoring and prevent car accidental movement and elevator device out of control - Google Patents
With monitoring and prevent car accidental movement and elevator device out of control Download PDFInfo
- Publication number
- CN107032206A CN107032206A CN201510485159.1A CN201510485159A CN107032206A CN 107032206 A CN107032206 A CN 107032206A CN 201510485159 A CN201510485159 A CN 201510485159A CN 107032206 A CN107032206 A CN 107032206A
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- car
- leash
- controller
- traction
- control
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Abstract
The present invention is a kind of with monitoring and preventing car accidental movement and elevator device out of control and its control method, belongs to elevator safety technical field, it is characterised in that：The system is main to be made up of controller, traction machine, leash, photoelectric sensor, car, traction tape gripper, rail clamping device and siren, the photoelectric sensor being arranged in leash relative position is connected by circuit with controller, controller control traction machine, traction tape gripper, rail clamping device and alarm, traction machine and traction tape gripper act on leash, leash is used to lifting and drawing car, meanwhile, rail clamping device be fixed on car and it is relative with guide rail slip and can be by clamp rail come stop car.It is an object of the invention to how accurately detect the abnormal conditions of car, while providing the guarantee of more levels before also occurring for accident.
Description
Technical field
It is more particularly to a kind of to monitor and prevent the elevator device and its control method of car accidental movement the invention belongs to elevator technology field.
Background technology
Elevator is in flat bed, and it stops mainly clamping brake disc or braked wheel generation frictional force by the friction plate of brake to keep.But it is due to that the coefficient of friction of current friction plate is easily influenceed by use environment, when Friction Disk Surface has oil or friction disc wear serious, the frictional force of brake will be reduced, if the braking moment that brake friction power is produced is less than the unbalanced moments at elevator two ends, elevator will produce accidental movement.
Elevator can run into that code device signal is lost, traction condition deficiency etc. reason causes elevator not run normally in normal operation, generate stall, situations such as acceleration-deceleration is exceeded, may result in serious consequence.
The modes such as Dual-encoder, increase range sensor are taken in monitoring for elevator running situation at present, this indirect mode can not be directly acquainted with the state of lift car all the time, but monitor all the time be traction machine state, in many cases the unexpected failure for occurring to be more than traction machine cause.In addition, car occurs after accident, existing safeguard measure often takes one to two kinds; either control traction machine or braked by drawing tape gripper, rail clamping device, but often have the accident of fatal crass through media report; so, existing safeguard measure is inadequate.
Elevator is after failure is produced, and most of is all to show failure code in sedan-chair outer display board in sedan-chair, and passenger can not understand the implication of these codes, be at a loss sometimes, and maintenance personal also is difficult to obtain accurate message in the very first time.
The content of the invention
Goal of the invention：The present invention provides a kind of with monitoring and preventing car accidental movement and elevator device out of control and its control method, its object is to how accurately detect the abnormal conditions of car, while being also the guarantee of the more levels of offer before accident occurs.
Technical scheme：
To achieve the above object, the present invention uses following technical scheme：
It is a kind of that there is monitoring and car accidental movement and elevator device out of control is prevented, it is characterised in that：The system is main to be made up of controller, traction machine, leash, photoelectric sensor, car, traction tape gripper, rail clamping device and siren, the photoelectric sensor being arranged in leash relative position is connected by circuit with controller, controller control traction machine, traction tape gripper, rail clamping device and alarm, traction machine and traction tape gripper may act on leash, leash is used to lifting and drawing car, meanwhile, rail clamping device is fixed on car and slide relative with guide rail simultaneously can clamp rail stop car.
Described leash global sections are flat, and there is an alternate light sensation coating of color on surface, and the width of the light sensation coating of each color lump along the leash longitudinal axis is equal and this width is more than Elevator landing and keeps precision.
The leash arises from fag end and combines and fix, and bypasses counterweight pulley, the directive wheel of counterweight, hangs on the traction sheave, further around car pulley is crossed, terminates in another set of fag end and combine and fix；The center line of traction sheave, counterweight pulley and car pulley aligns with center line of guide rail.
Described traction tape gripper is provided with the relative quiet plate of the quiet plate of base portion and outside, and they are fixed by fixing bolt；A groove is formed in the quiet plate in outside, provided with a dynamic plate in groove, the inside between the quiet plate in outside and dynamic plate is provided with magnet coil and spring, moves plate and is provided with dynamic plate holding piece, the quiet plate of base portion is provided with quiet plate holding piece, and dynamic plate holding piece and quiet plate holding piece are oppositely arranged.
It is a kind of that there is monitoring as described above and car accidental movement and control method out of control is prevented, it is characterised in that：This method is carried out as follows：
（1）The motion state of leash is collected by photoelectric sensor first, and signal is passed into controller；
（2）Signal that controller passes over photoelectric sensor carries out contrast judgement with the signal that traction machine is performed, when controller determines the signal generation deviation that the signal that photoelectric sensor passes over is performed with traction machine；
Or car produces accidental movement, controller determines photoelectric sensor and is collected into the signal generation deviation that number of times and the traction machine of the alternately change of the optical signalling of leash transmission are performed；
Or car generation is out of control, in acceleration and deceleration and normal speed operation, controller determines photoelectric sensor and is collected into number of times and frequency and the normal instructions generation deviation that the optical signalling of leash transmission alternately changes；
（3）Controller sends protection instruction to traction machine, traction tape gripper and rail clamping device; traction machine performs halt instruction after obtaining the protection instruction that controller is sent; traction tape gripper and rail clamping device obtain execution holding action after the protection instruction that controller is sent and carry out stop car; so; the control method realizes that three protection acts are carried out simultaneously, can make stopping for car safety in car accidental movement or moment out of control.
The controller is when determining the signal that the signal and traction machine that photoelectric sensor passes over perform and producing the state of deviation, and accidental movement and car motion state include static and mobile status；Include acceleration, deceleration and at the uniform velocity three kinds states under mobile status.
Advantage and effect：By the implementation of the present invention, the running status of car can be accurately detected, maintenance personal is determined the information of failure the very first time, and implement while triple protection, it is ensured that the operation safety of car.
Brief description of the drawings：Fig. 1 is primary structure schematic diagram of the invention；
Fig. 2 carries the leash structural representation of light sensation coating for the present invention；
Fig. 3 is leash arrangement schematic diagram of the present invention；
Fig. 4 draws the structural representation of tape gripper for the present invention.
Embodiment：
The present invention is a kind of to be had monitoring and prevents car accidental movement and elevator device out of control, it is characterised in that：The system is main to be made up of controller, traction machine, leash, photoelectric sensor, car, traction tape gripper, rail clamping device and siren, the photoelectric sensor being arranged in leash relative position is connected by circuit with controller, controller control traction machine, traction tape gripper, rail clamping device and alarm, traction machine and traction tape gripper may act on leash, leash is used to lifting and drawing car, meanwhile, rail clamping device is fixed on car and slip relative with guide rail, as shown in accompanying drawing 1.
What conventional sensor was monitored all the time is the state of traction machine, and this indirect mode can not be directly acquainted with the situation of lift car, and the unexpected failure for occurring to be more than traction machine is caused in many cases.The present invention is, to monitor leash as real-time tracking object, the alternate light sensation coating 2 of color to be provided with the surface of leash 1, and the monitoring by photoelectric sensor to light sensation coating is achieved that the monitoring for directly having monitored car.
Width of the light sensation coating of each color lump along the leash longitudinal axis is equal and this width is more than Elevator landing and keeps precision.I.e.：Each the longitudinally wide of color lump is equal, and this width value can within the specific limits, and this scope is exactly the flat bed holding precision that width value is more than elevator.Elevator landing keeps precision to be technical term in elevator national standard, refers to that elevator has personnel's turnover when flat bed, traction carries striction phenomenon, stretches and keeps precision just a qualified parameter no more than this Elevator landing.Setting of the present invention to width, exactly avoid the system can false alarm, misoperation, must after the distance that car is moved exceed national standard distance just horse back actuation of an alarm, otherwise if elevator someone enter, someone come out all can alert always report an error.As shown in accompanying drawing 2, mark 1 is leash, and 2 be light sensation coating.
The monitoring simultaneously prevents car accidental movement and elevator device out of control from being the arrangement of the canoe or elevator that be unable to do without leash 1, that is, the canoe of the leash or the arrangement of elevator realize that goal of the invention provides technical guarantee for the system.As shown in figure 3, the mark in figure is 3. counterweights, 4. counterweight pulleys, 5. directive wheels, the combination of 6. fag ends, 7. traction machines, 8. traction sheaves, 9. switch boards, 10. guide rails, 11. car pulleys, 12. traction tape grippers, 13. photoelectric sensors, 14. cars, 15 rail clamping devices.
The leash 1 arises from fag end combination 6 and fixed, bypasses counterweight pulley 4, the directive wheel 5 of counterweight 3, hangs on traction sheave 8, further around car pulley 11 is crossed, and terminates in another set of fag end combination 6 and fixed；The certain center line of guide rail 10 alignment of traction sheave 8, counterweight pulley 4, the center line of directive wheel 5 and car pulley 11.
Conventional traction sheave pitch diameter is at least up to 320mm, then the size of the driver element traction machine of elevator is pind down, it is impossible to accomplish small volume, lightweight.Pass through the reasonable Arrangement to elevator; the problem of size for meeting driver element traction machine is pind down; preventing and reducing car generation accidental movement and the higher safeguard measure of aspect out of control offer simultaneously; it can solve the problem that in car accidental movement occurs for elevator device and moment out of control completes braking maneuver so that personnel are capable of withdrawing for safety in car.
Traction sheave 8, directive wheel 5, the center line of counterweight pulley 4 and car pulley 11 align with the center line of guide rail 10, this point is extremely important, it can so ensure that elevator produces minimum frictional force when running up and down with guide rail, it it also avoid noise and vibration that friction is produced, car accidental movement and situation out of control are reduced, is decreased because friction belt carrys out more energy consumptions.
Photoelectric sensor 13, traction tape gripper 12 can be arranged on the optional position of leash 1, and rail clamping device 15 is arranged between guide rail 10 and car 14 and is fixed on car 14.Controller is arranged in switch board 9.
Some delays can all occur in the equipment of conventional stop car, can cause alarmed and fear to passenger in car unavoidably, or even cause more serious personal injury.It is another key point that the system realizes triple protection measure to provide a kind of effective traction tape gripper.
Marked in traction tape gripper as shown in Figure 4, figure：Projection 16, quiet plate holding piece 17, the quiet plate 18 of base portion, leading block 19, leash 1, hollow bolt 20 moves plate 21, and the quiet plate 22 in outside, fixing bolt 23, magnet coil 24, spring 25, manual brake-loosing mechanism 26 moves plate holding piece 27.
The clamper is provided with the quiet plate 22 of the quiet plate 18 of base portion and outside being oppositely arranged, and they are fixed by fixing bolt 23；A groove is formed in the quiet plate 22 in outside, provided with a dynamic plate 21 in groove, dynamic plate 21 is separated by hollow bolt 20 with fixing bolt 23, can be moved up and down in groove.Inside between the quiet plate 22 in outside and dynamic plate 21 is provided with magnet coil 24 and spring 25, and magnet coil 24 is connected by circuit with outside controller, can receive the signal instruction that controller is sent.Dynamic plate 21 is provided with dynamic plate holding piece 27, and the quiet plate 18 of base portion is provided with quiet plate holding piece 17, and dynamic plate holding piece 27 and quiet plate holding piece 17 are oppositely arranged.
Described quiet plate holding piece 17 and the dynamic surface of plate holding piece 27 are set to the projection 16 of several circular arcs, and the projection is staggeredly complimentary positions.This indenting setting structure, is that can preferably clamp the special construction that flat composite band is designed for the clamping device.When elevator has abnormal conditions, controller gives the instruction of this clamper, and the dead electricity of magnet coil 24, electromagnetic force is lost, and dynamic plate 21 pushes the quiet plate 18 of base portion to by spring 25, and quiet plate holding piece 17 firmly clamps leash 1 with dynamic plate holding piece 27.
So, primary structure of the invention configuration is finished.
Controller sends instructions to traction machine, and traction machine produces traction drives car with leash and moved, and the optical signalling that photoelectric sensor collection leash is passed over changes into electric signal and transmitted back again to controller.After controller is by obtained photo-sensor signal and the signal progress contrast generation deviation for being sent to traction machine, controller can send protection instruction, traction machine obtains instructing by power-off protection, traction tape gripper and rail clamping device will perform holding action, three protection acts are carried out simultaneously, stopping for car safety can be made in car accidental movement or moment out of control, controller can also arrive siren to instruction simultaneously, siren can send voice signal reminding passengers elevator faults, withdrawing and alerting outside passenger for guiding passenger's quickly and orderly must not enter in failure elevator, siren can also send optical signal, the inside and outside passenger of warning, siren can also send electric signal, the very first time notifies professional to come to repair as early as possible by communication network.
Under door opening state, if car generates accidental movement, the balance for having exceeded elevator keeps the distance of precision, and photoelectric sensor can receive the signal that color alternately changes in leash.Signal is delivered to controller, and controller contrast signal has obtained car and produced unexpected conclusion.
In acceleration and deceleration as being also in normal speed operation; the quantity and Frequency Transfer for the optical signalling that photoelectric sensor is just transmitted by leash are to controller; controller converts the signal to speed and acceleration and deceleration and contrasted with normal instruction; if protection instruction will be sent by generating deviation controller, each associated components are allowed to protect car.
In summary, with monitoring and prevent car accidental movement and elevator device out of control adds photoelectric sensor on original system, leash is that the leash of optical signalling can be transmitted with light sensation coating, both collective effects carry out comprehensive monitoring to the state of car, can obtain the physical quantity concrete numerical value of the states such as the static of car, acceleration, deceleration, speed.
Traction tape gripper, rail clamping device and siren are added in addition, and to ensure in the case where exception occurs in elevator, simultaneously energy very first time guiding passenger safety withdraws and notified professional to come to repair to the safety of protection passenger to greatest extent.
Described above is only the present invention preferably embodiment, therefore the equivalent change or modification that all construction, feature and principles according to described in the present patent application scope are done, and is included in the range of present patent application.
Claims (6)
1. a kind of have monitoring and prevent car accidental movement and elevator device out of control, it is characterised in that：The system is main to be made up of controller, traction machine, leash, photoelectric sensor, car, traction tape gripper, rail clamping device and siren, the photoelectric sensor being arranged in leash relative position is connected by circuit with controller, controller control traction machine, traction tape gripper, rail clamping device and alarm, traction machine and traction tape gripper may act on leash, leash is used to lifting and drawing car, meanwhile, rail clamping device is fixed on car and slide relative with guide rail simultaneously can clamp rail stop car.
2. according to claim 1 have monitoring and prevent car accidental movement and elevator device out of control, it is characterised in that：Described leash global sections are flat, and there is an alternate light sensation coating of color on surface, and the width of the light sensation coating of each color lump along the leash longitudinal axis is equal and this width is more than Elevator landing and keeps precision.
3. according to claim 1 have monitoring and prevent car accidental movement and elevator device out of control, it is characterised in that：Described leash arises from fag end and combines and fix, and bypasses counterweight pulley, the directive wheel of counterweight, hangs on the traction sheave, further around car pulley is crossed, terminates in another set of fag end and combine and fix；Traction sheave, counterweight pulley, the center line of directive wheel and car pulley align with center line of guide rail.
4. according to claim 1 have monitoring and prevent car accidental movement and elevator device out of control, it is characterised in that：Described traction tape gripper is provided with the relative quiet plate of the quiet plate of base portion and outside, and they are fixed by fixing bolt；A groove is formed in the quiet plate in outside, provided with a dynamic plate in groove, the inside between the quiet plate in outside and dynamic plate is provided with magnet coil and spring, moves plate and is provided with dynamic plate holding piece, the quiet plate of base portion is provided with quiet plate holding piece, and dynamic plate holding piece and quiet plate holding piece are oppositely arranged.
5. a kind of have monitoring and prevent car accidental movement and control method out of control as claimed in claim 1, it is characterised in that：This method is carried out as follows：
（1）The motion state of leash is collected by photoelectric sensor first, and signal is passed into controller；
（2）Signal that controller passes over photoelectric sensor carries out contrast judgement with the signal that traction machine is performed, when controller determines the signal generation deviation that the signal that photoelectric sensor passes over is performed with traction machine；
Or car produces accidental movement, when controller determines photoelectric sensor and is collected into the signal generation deviation that number of times and the traction machine of the alternately change of the optical signalling of leash transmission are performed；
Or car produces out of control, in acceleration and deceleration and normal speed operation, controller determines photoelectric sensor and is collected into the optical signalling of the leash transmission alternately number of times of change and when frequency and normal instructions generation deviation；
（3）Controller sends protection instruction to traction machine, traction tape gripper and rail clamping device; traction machine performs halt instruction after obtaining the protection instruction that controller is sent; traction tape gripper and rail clamping device obtain execution holding action after the protection instruction that controller is sent and carry out stop car; so; the control method realizes that three protection acts are carried out simultaneously, can make stopping for car safety in car accidental movement or moment out of control.
6. according to claim 5 have monitoring and prevent car accidental movement and control method out of control, it is characterised in that：The controller is when determining the signal that the signal and traction machine that photoelectric sensor passes over perform and producing the state of deviation, and accidental movement and car motion state include static and mobile status；Include acceleration, deceleration and at the uniform velocity three kinds states under mobile status.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510485159.1A CN107032206A (en) | 2015-08-10 | 2015-08-10 | With monitoring and prevent car accidental movement and elevator device out of control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510485159.1A CN107032206A (en) | 2015-08-10 | 2015-08-10 | With monitoring and prevent car accidental movement and elevator device out of control |
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| Publication Number | Publication Date |
|---|---|
| CN107032206A true CN107032206A (en) | 2017-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510485159.1A Pending CN107032206A (en) | 2015-08-10 | 2015-08-10 | With monitoring and prevent car accidental movement and elevator device out of control |
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| CN (1) | CN107032206A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275538A (en) * | 2018-04-04 | 2018-07-13 | 浙江蒂尔森电梯有限公司 | A kind of express elevator safety tongs |
| CN108358003A (en) * | 2018-02-05 | 2018-08-03 | 苏州钜立智能***有限公司 | Elevator operation monitoring method |
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| JP2000351544A (en) * | 1999-06-11 | 2000-12-19 | Toshiba Elevator Co Ltd | Position detection device for elevator |
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| CN204508496U (en) * | 2015-02-26 | 2015-07-29 | 吕虎松 | A kind of transmission component promoting for car in elevator and draw |
| CN204917501U (en) * | 2015-08-10 | 2015-12-30 | 吕虎松 | Elevator system with monitoring prevents unexpected removal of car and out of control |
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2015
- 2015-08-10 CN CN201510485159.1A patent/CN107032206A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000351544A (en) * | 1999-06-11 | 2000-12-19 | Toshiba Elevator Co Ltd | Position detection device for elevator |
| US8485318B2 (en) * | 2009-05-15 | 2013-07-16 | Paul J. Doran | Elevator rope braking system |
| CN101798036A (en) * | 2010-02-25 | 2010-08-11 | 杭州沪宁电梯配件有限公司 | Electromagnetic brake, friction piece thereof and friction piece manufacture method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108358003A (en) * | 2018-02-05 | 2018-08-03 | 苏州钜立智能***有限公司 | Elevator operation monitoring method |
| CN108358003B (en) * | 2018-02-05 | 2019-05-14 | 苏州钜立智能***有限公司 | Elevator operation monitoring method |
| CN108275538A (en) * | 2018-04-04 | 2018-07-13 | 浙江蒂尔森电梯有限公司 | A kind of express elevator safety tongs |
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Application publication date: 20170811 |