CN102849548A - Elevator speed controller for rated-speed-exceeding running and control method of controller - Google Patents
Elevator speed controller for rated-speed-exceeding running and control method of controller Download PDFInfo
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- CN102849548A CN102849548A CN2012102197621A CN201210219762A CN102849548A CN 102849548 A CN102849548 A CN 102849548A CN 2012102197621 A CN2012102197621 A CN 2012102197621A CN 201210219762 A CN201210219762 A CN 201210219762A CN 102849548 A CN102849548 A CN 102849548A
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Abstract
The invention discloses an elevator speed controller for rated-speed-exceeding running and a control method of the controller. The elevator speed controller comprises a speed mode selecting module (which is used for selecting whether an elevator runs at a speed exceeding a rated speed according to weight information of an elevator car), a flat floor signal receiving module (which is used for providing reference signals for speed change for the first time while the elevator runs at the speed exceeding the rated speed), a speed change point signal receiving module, an accident signal receiving module and a signal processing module (which is used for receiving output signals of the modules, carrying out accident response and processing in combination of an objective floor and running direction of the elevator and transmitting speed control signals). The elevator speed controller does not need to be additionally provided with other hardware devices or change original hardware structure facilities, and the height of a top hoistway floor and the depth of a bottom pit do not need to be enhanced, but only by designing software and carrying out auxiliary speed change on the rated-speed-exceeding running of the elevator by virtue of flat floor points of the elevator, the running of the elevator at the speed exceeding the rated speed can be realized, and the elevator can run at an efficient, energy-saving and safe manner. Meanwhile, the elevator speed controller can meet the requirements on new elevator installation and old elevation transformation, and is beneficial to technique popularization.
Description
Technical field
The invention belongs to elevator drive and field of energy-saving technology, be specifically related to a kind of super command speed elevator speed controller.
Background technology
According to recent statistics and the prediction of national special equipment competent authorities, reached more than 200 ten thousand by the end of China's elevator in 2010 at consumption, be to use the maximum country of elevator.The whole nation produced more than 40 ten thousand in elevator in 2011, and output ranks first in the world; China's elevator average growth rate per annum was more than 22% in recent years, and China has become maximum elevator market, the whole world, the elevator manufacture base that the whole world is maximum, the elevator exported country that the whole world is maximum.Along with the rapid growth of new clothes elevator quantity, huge elevator energy consumption has obtained the attention of national governments and associated mechanisms tissue, how to improve the elevator energy-saving level, has become the common focus of paying close attention to of country and elevator enterprises.
From user's angle, " the elevator operating efficiency problems such as waiting time and boarding time " are passenger's outlines always, and employing improves rated speed of lift or many elevators is installed adopted the mode of Group Control Schedules to improve operating efficiency usually.For security consideration, the raising of rated speed of lift is had higher requirement to headroom height and the pit depth of hardware corollary equipment and hoistway; And the increase of elevator number of units, the investment that has not only strengthened lift facility has also reduced effective usable floor area of building.And above-mentioned terms of settlement and inapplicable built building.
Elevator Traffic Flow Prediction analysis and a large amount of actual count data show: elevator most of time (more than 60%) is operated in the non-full load state.Under this running state, towing machine is in the light running mode, and elevator part active volt-amperes is left unused, and this part active volt-amperes of rational and efficient use realizes that the super command speed of elevator moves, and not only can realize energy-conservationly, and can greatly improve operating efficiency.Therefore, farthest bring into play the variable speed drive technology of towing machine ability to realizing that elevator is efficient, energy-saving run has great importance by the balance of utilizing car and counterweight.By using this technology, scientific utilization traction surplus energy makes elevator move with super command speed, can greatly improve the operating efficiency of elevator and save electric energy, shortens boarding and waiting time.
But safety and throw-over problem are to realize the Focal point and difficult point of the super command speed operation of elevator.Its throw-over point also should have corresponding variation behind the Speed improving.General processing method is that corresponding two throw-over points are set: the throw-over point that command speed when operation is corresponding and corresponding throw-over point when surpassing command speed and moving.But this mode need to all will increase a throw-over point at every layer, and the elevator cost will be greatly affected like this.For security consideration, the requirement of elevator was selected when the selection of the elevator pit degree of depth, headroom height, safety return circuit device etc. all must move according to maximum speed, and these factors all can improve the elevator cost greatly.
Under the condition that does not change elevator hoistways, for safety and throw-over problem, only there is at present Mitsubishi elevator company to propose elevator and exceeds the quata to decide safe in operation and throw-over solution.By install electric terminal forced reduction apparatus (Smooth Emergency Terminal Slowdown additional in the hoistway terminal, SETS) this hardware device, be provided with hypervelocity deceleration benchmark at the terminal deceleration area simultaneously, elevator speed is carried out fast detecting, reduce the super command speed operation of elevator to the requirement of hoistway buffer sizes.But this method still needs additionally to install additional hardware unit.
Summary of the invention
The present invention seeks to solve safety and the throw-over problem that existing super command speed elevator exists, and the problem that increases the elevator cost, a kind of elevator speed controller and control method thereof that adopts the super command speed of brand-new throw-over mode is provided.
The present invention has designed a kind of elevator speed controller that adopts the super command speed of brand-new throw-over mode, do not increasing the throw-over point, and do not change on the basis of original elevator device, utilize the flat bed point to assist throw-over, the level and smooth safe throw-over when realizing the super command speed operation of elevator.
The elevator speed controller of super command speed provided by the invention mainly comprises: velocity mode is selected module, flat bed signal receiving module, throw-over point signal receiving module, accident signal receiver module and signal processing module.
Velocity mode is selected module: select command speed operation or the operation of super command speed according to the weight information that the check weighing unit inspection of car arrives, and the speed operational mode of selection is sent into signal processing module; When detecting elevator underloading (loaded weight is less than 30% of specified loaded weight) or heavy duty (loaded weight is greater than 70% of specified loaded weight), elevator speed is selected the command speed operation, and elevator throw-over mode is constant, carries out throw-over by original mode; When detecting between the 30%-70% of elevator loaded weight at specified loaded weight, towing machine has rich power, and elevator is selected the super command speed operation of 1.2 ~ 1.5 times of command speves, adopts simultaneously the mode of the auxiliary throw-over of flat bed point to carry out throw-over.
The flat bed signal receiving module: receive each floor flat bed signal, send into signal processing module and process and reply, the throw-over first time during for super command speed operation provides reference signal.
Throw-over point signal receiving module: receive each floor throw-over dot information, send into signal processing module and process and reply.
Accident signal receiver module: receive and to force throw-over point signal, limit point signal and limit point signal, when receiving above-mentioned signal, show that elevator is in faulty condition, the signal of reception is sent into signal processing module carry out settlement of accident and reply.
Signal processing module: the signal of inbound pacing mode selection module, flat bed signal receiving module, throw-over point signal receiving module and the output of accident signal receiver module, and in conjunction with elevator purpose floor and service direction, analyze incoming signal, carry out event response, processing, send corresponding control signal.
The method for controlling speed of elevator that the present invention provides the above-described elevator speed controller of a kind of foundation to realize super command speed simultaneously, concrete control process is as follows:
(a) by the elevator speed operational mode information of signal processing module inbound pacing mode selection module output, i.e. command speed pattern or super command speed pattern, and in conjunction with other module output, produce speed control signal, regulate elevator speed;
(b) ascending for elevator or descending, setting bed of interest is the N layer, when uplink receiving to N-1 layer or descending when receiving N+1 layer flat bed signal, if elevator is in super command speed operational mode, then send control signal control elevator carries out slowing down the first time, the deceleration brief acceleration is identical with command speed deceleration brief acceleration, makes elevator arrive bed of interest N layer throw-over point and decelerates to command speed before, and elevator is pressed the command speed upstream or downstream afterwards;
If elevator is in the command speed pattern, when uplink receiving does not respond during to N-1 layer or the descending N+1 of receiving layer flat bed signal; When receiving other layer flat bed signal, no matter which kind of velocity mode elevator is in, and does not all respond;
(c) ascending for elevator or descending, after receiving bed of interest N layer throw-over point signal, this moment, elevator was realized the command speed operation through the control of step (b), the output speed control signal carries out normal throw-over braking to elevator, and elevator is stopped at bed of interest; When receiving other layer throw-over point signal, do not respond;
(d) when receive accident signal receiver module input force throw-over point signal the time, if this moment, elevator did not slow down, then produce control signal and cut off the quick loop of elevator, force deceleration of elevator, turn to the slow train operation by express, force deceleration of elevator to run to level position, prevent the elevator accident of rushing to summit;
(e) when receiving the limit point signal of accident signal receiver module input, show that elevator is out of control, and force throw-over point switch to fail to make the car Reduced Speed Now, produce control signal and make the limit switch action, force the elevator stagnation of movement;
(f) when receiving the limit point signal of accident signal receiver module input; show that upper limit or lower position switch lost efficacy; ascending for elevator or go downwards to last pipe protection switch in the terminal position limiter; the output control signal cuts off the electrical source of power of elevator by mechanical linkage, makes elevator forced stopping.
Advantage of the present invention and good effect:
The present invention does not need to install additional other hardware unit or changes original hardware configuration facility, need not to increase hoistway headroom height and pit depth, only pass through the design of controller software system, utilize the flat bed point of elevator itself that throw-over is assisted in super command speed operation, the operation of the super command speed of elevator be can realize, efficient, energy-conservation, the safe operation of elevator finally realized.Can satisfy simultaneously new ladder installation and old ladder and transform, be conducive to Technique Popularizing.
The present invention compared with prior art has following effective effect:
(1) the present invention can control elevator super command speed operation under the prerequisite that does not increase power supply capacity, has saved passenger's boarding and waiting time, has improved the operating efficiency of elevator.
(2) the present invention need not to change the hardware facility such as the melt pit degree of depth, headroom height, safety return circuit device of elevator original system, and the selection of the various parameters of elevator is chosen all can move by rated speed of lift the time.
Assist throw-over when (3) the present invention adopts the Elevator landing point to the operation of the super command speed of elevator, level and smooth throw-over problem when only needing to adopt the mode of software control to solve the super command speed of elevator to move.Additionally install the throw-over point sensor additional with tradition or other detecting device is compared, saved cost, have economic implications.
(4) the present invention is used for the manufacturing that super command speed elevator both can be used for new ladder, also is applicable to the transformation of old ladder, is conducive to super command speed elevator technology and promotes.
Description of drawings
Fig. 1 is the scheme drawing that a kind of elevator provided by the invention moves each operating point.
Fig. 2 is a kind of elevator speed controller control structure block diagram that exceeds the quata to decide provided by the invention.
Fig. 3 is a kind of rated speed of lift provided by the invention and super command speed comparative graph.
The specific embodiment
Hardware facility (the melt pit degree of depth, headroom height, safety return circuit device etc.) when the elevator that the present invention is suitable for still adopts traditional elevator to press the command speed operation, parameters and action monitoring point are all according to the command speed elevator design.Lift car is equipped with weight sensor, and the operating point sensor of seven main Types mainly is housed in the hoistway.
Below in conjunction with accompanying drawing, provide a kind of the specific embodiment of the present invention:
Suppose that story height is five layers, Fig. 1 is elevator run action point scheme drawing, mainly contains seven kinds of operating points: limit point (1), limit point (2), flat bed point (3), the throw-over point (on) (4), force throw-over point (5), change a layer point (6), throw-over point (descending) (7).
Fig. 2 is the elevator speed controller architecture figure that exceeds the quata to decide of the present invention, velocity mode selects module (8) to receive car weight information, flat bed signal receiving module (9) receives the flat bed signal, throw-over point signal receiving module (10) receives throw-over point signal, accident signal receiver module (11) receives and forces throw-over point signal, limit point signal and limit point signal, (8), (9), (10), (11) module are transported to the signal that receives in the signal processing module (12), judge, process through event, the output control signal.
Elevator Running Speed Cueve as shown in Figure 3, dotted line (13) is rated speed of lift running velocity curve, wherein t for the super command speed running velocity of elevator curve, solid line (14)
1For going upward to the N-1 layer or coming downwards to the N+1 layer flat bed point beginning throw-over first time constantly; t
2Decelerate to the moment of command speed from super command speed for elevator; t
3For running to the moment of N layer throw-over point; t
4For arriving the moment of throw-over point under the command speed running condition; t
5For super command speed operation arrives the designated floor flat bed point time, namely super command speed moves the needed time; t
6For the command speed operation arrives the designated floor flat bed point time, namely command speed moves the needed time.v
NBe command speed; v
ENBe super command speed, v
EN=1.2v
N(general desirable v
EN=1.2 ~ 1.5v
N).Accelerate to super command speed v with certain acceleration/accel during super command speed operation
ENRear super command speed travels at the uniform speed, when the super command speed of elevator upwards runs to (N-1) layer, or the super command speed of elevator begins for the first time deceleration when running down to the flat bed point of (N+1) layer, guarantee that speed is reduced to command speed before each layer can both make elevator arrival throw-over point, mode is braked when moving afterwards by the command speed N layer throw-over point that travels at the uniform speed, and by command speed.
Embodiment 1
As shown in Figure 1 and Figure 2, be up to five layers (bed of interest N=5) take elevator from one deck and be example, be described in detail as follows:
The weight information output speed pattern information that velocity mode selects module (8) to arrive according to car check weighing unit inspection; When detecting between the 30%-70% of elevator loaded weight at specified loaded weight, elevator is selected super command speed mode operation, and all the other situations are selected the command speed mode operation.
Decide operational mode if one exceeds the quata, signal processing module (12) output speed control signal, elevator travels at the uniform speed from accelerating to super command speed (1.2 times command speves) after one deck starts, each operating point elevator at one, two, three layer is not done any response, keeps the super command speed state that travels at the uniform speed; When running to four layers of (being up to N-1=4) flat bed point (3), signal processing module (12) responds the 4th layer of flat bed signal that flat bed point signal receiving module (9) receives, send control signal, elevator begins with the given ways of deceleration decelerated movement first time, acceleration/accel is identical with command speed deceleration brief acceleration, make elevator each layer can both guarantee deceleration of elevator run to five layers of throw-over point (on) (4) before, speed can both be reduced to command speed, arrive five layers of throw-over point (on) (4) before, elevator travels at the uniform speed by command speed; Elevator run to five layers of throw-over point (on) when (4), throw-over point signal receiving module (10) receive layer 5 the throw-over point (on) (4) signal, signal processing module (12) responds it, pattern when elevator begins to move with command speed is slowed down, make elevator speed when arriving five layers of flat bed point (3) reduce to zero, elevator safety stops ladder; If accident signal receiver module (11) detects elevator and runs to five layers when forcing throw-over point (5) point, elevator still is in the command speed operation, then cut off the quick loop of elevator, force deceleration of elevator, turn to the slow train operation by express, force deceleration of elevator to run to level position, prevent the elevator accident of rushing to summit; If elevator is out of control, and when forcing throw-over point switch to fail to make the car Reduced Speed Now, after elevator runs off the about 50mm of top layer, arrive five layers of limit point (1), accident signal receiver module this moment (11) receives this signal, and signal processing module (12) output control signal makes the limit switch action force the elevator stagnation of movement; Five layers of limit point (2) are last pipe protection switches in the ascending for elevator terminal position limiter, and it is to issue lively work in the situation that upper limit position switch lost efficacy, and by mechanical linkage the electrical source of power of elevator are cut off, and make elevator forced stopping;
If two command speed operational modes, elevator accelerates to the command speed operation after one deck starts, do not do any response at each operating point elevator of one, two, three, four layer, keeps the command speed uniform movement; When throw-over point signal receiving module (10) receive layer 5 the throw-over point (on) during (4) signal, the pattern when elevator begins to move with command speed is slowed down, and is identical with above-mentioned pattern subsequent response.
Embodiment 2
As shown in Figure 1 and Figure 2, going downwards to one deck (bed of interest N=1) take elevator from five layers as example, is described in detail as follows:
Limit point (1), limit point (2), flat bed point (3), the throw-over point (on) (4), force throw-over point (5), change a layer point (6), throw-over point (descending) (7).
Velocity mode selects module (8) to select the output speed pattern according to the weight information that car check weighing unit inspection arrives;
Decide operational mode if one exceeds the quata, signal processing module (12) output speed control signal, elevator accelerates to super command speed (1.2 times command speves) after five layers of startup and travels at the uniform speed, each operating point elevator at five, four, three layers is not done any response, keeps the super command speed state that travels at the uniform speed; When running to two layers of flat bed point (3), flat bed point signal receiving module (9) receives the flat bed signal of the second layer (going downwards to N+1=2), signal processing module (12) responds the second layer flat bed signal that flat bed point signal receiving module (9) receives, send control signal, elevator begins with the given ways of deceleration decelerated movement first time, select suitable acceleration/accel to make elevator before each layer can both guarantee that deceleration of elevator runs to 7 of one decks, speed can both be reduced to command speed, before 7 of arrival one decks, elevator travels at the uniform speed by command speed; When elevator runs to one deck throw-over point (descending) (7), throw-over point signal receiving module (10) receives throw-over point (descending) (7) signal of ground floor, pattern when elevator begins to move with command speed is slowed down, and speed reduces to zero when arriving one deck flat bed point (3), and elevator safety stops ladder; If when detecting elevator and running to one deck and force throw-over point (5), elevator does not slow down and then cuts off the quick loop of elevator, forces deceleration of elevator, has express to turn to the slow train operation, forces deceleration of elevator to run to level position, prevents that elevator from the end accident of squatting occuring; If elevator is out of control, and when forcing throw-over point switch to fail to make the car Reduced Speed Now, after elevator runs off the about 50mm of bottom, arrive one deck limit point (1), make the limit switch action force the elevator stagnation of movement; One deck limit point (2) is last pipe protection switch in the elevator downstream station inhibiting device, and it is to issue lively work in the situation that lower position switch lost efficacy, and by mechanical linkage the electrical source of power of elevator is cut off, and makes elevator forced stopping.
If two command speed operational modes, elevator accelerates to the command speed operation after five layers of startup, do not do any response at each operating point elevator of five, four, three layers, keeps the command speed uniform movement; When throw-over point signal receiving module (10) received throw-over point (descending) (7) signal of ground floor, the pattern when elevator begins to move with command speed is slowed down, and was identical with above-mentioned pattern subsequent response.
Claims (2)
1. the elevator speed controller of a super command speed is characterized in that described elevator speed controller comprises:
Velocity mode is selected module: the weight information that this module arrives according to car check weighing unit inspection is selected command speed operation or the operation of super command speed, and the speed operational mode of selecting is sent into signal processing module.When to detect the elevator underloading be loaded weight less than 30% or heavy duty of specified loaded weight be loaded weight greater than specified loaded weight 70% the time, elevator speed is selected the command speed operation, elevator throw-over mode is constant, carries out throw-over by original mode; When detect the elevator loaded weight specified loaded weight 30% ~ 70% between the time, towing machine has rich power, elevator is selected the super command speed operation of 1.2 ~ 1.5 times of command speves, adopts simultaneously flat bed point to assist the mode of throw-over to carry out throw-over;
The flat bed signal receiving module: receive each floor flat bed signal, and send into signal processing module and process and reply, the throw-over first time during for super command speed operation provides reference signal;
Throw-over point signal receiving module: receive each floor throw-over dot information, and send into signal processing module and process and reply;
Accident signal receiver module: receive and to force throw-over point signal, limit point signal and limit point signal, when receiving above-mentioned signal, show that elevator is in faulty condition, the signal of reception is sent into signal processing module carry out settlement of accident and reply;
Signal processing module: the signal of inbound pacing mode selection module, flat bed signal receiving module, throw-over point signal receiving module and the output of accident signal receiver module, and in conjunction with elevator purpose floor and service direction, analyze incoming signal, carry out event response, processing, send corresponding control signal.
2. the method for controlling speed of elevator of a super command speed is characterized in that described method realizes according to the elevator speed controller of super command speed claimed in claim 1, and concrete control process is as follows:
(a) by the elevator speed operational mode information of signal processing module inbound pacing mode selection module output, i.e. command speed pattern or super command speed pattern, and in conjunction with other module output, produce speed control signal, regulate elevator speed;
(b) ascending for elevator or descending, setting bed of interest is the N layer, when uplink receiving to N-1 layer or descending when receiving N+1 layer flat bed signal, if elevator is in super command speed operational mode, then send control signal control elevator carries out slowing down the first time, the deceleration brief acceleration is identical with command speed deceleration brief acceleration, makes elevator arrive bed of interest N layer throw-over point and decelerates to command speed before, and elevator is pressed the command speed upstream or downstream afterwards;
If elevator is in the command speed pattern, when uplink receiving does not respond during to N-1 layer or the descending N+1 of receiving layer flat bed signal; When receiving other layer flat bed signal, no matter which kind of velocity mode elevator is in, and does not all respond;
(c) ascending for elevator or descending, after receiving bed of interest N layer throw-over point signal, this moment, elevator was realized the command speed operation through the control of step (b), the output speed control signal carries out normal throw-over braking to elevator, and elevator is stopped at bed of interest; When receiving other layer throw-over point signal, do not respond;
(d) when receive accident signal receiver module input force throw-over point signal the time, if this moment, elevator did not slow down, then produce control signal and cut off the quick loop of elevator, force deceleration of elevator, turn to the slow train operation by express, force deceleration of elevator to run to level position, prevent the elevator accident of rushing to summit;
(e) when receiving the limit point signal of accident signal receiver module input, show that elevator is out of control, and force throw-over point switch to fail to make the car Reduced Speed Now, produce control signal and make the limit switch action, force the elevator stagnation of movement;
(f) when receiving the limit point signal of accident signal receiver module input; show that upper limit or lower position switch lost efficacy; ascending for elevator or go downwards to last pipe protection switch in the terminal position limiter; export control signal and by the electrical source of power cut-out of mechanical linkage with elevator, make elevator forced stopping.
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| CN110267897A (en) * | 2017-04-27 | 2019-09-20 | 深圳市海浦蒙特科技有限公司 | Overhauling elevator progress control method and system |
| CN110267897B (en) * | 2017-04-27 | 2021-09-14 | 深圳市海浦蒙特科技有限公司 | Elevator maintenance operation control method and system |
| CN108238518A (en) * | 2018-01-19 | 2018-07-03 | 上海三荣电梯制造有限公司 | A kind of deceleration of elevator position judgment device and method |
| CN110577120A (en) * | 2018-06-07 | 2019-12-17 | 株式会社日立制作所 | Elevator control device and method |
| CN114516572A (en) * | 2022-02-28 | 2022-05-20 | 安徽迅立达电梯有限公司 | Bottomless pit type elevator energy-saving management system |
| CN114906690A (en) * | 2022-05-24 | 2022-08-16 | 无锡英威腾电梯控制技术有限公司 | Elevator limiting method and device, electronic equipment and readable storage medium |
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