CN112744656B - Control method and control system for elevator pressure relief device under chimney effect - Google Patents
Control method and control system for elevator pressure relief device under chimney effect Download PDFInfo
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- CN112744656B CN112744656B CN202011616496.7A CN202011616496A CN112744656B CN 112744656 B CN112744656 B CN 112744656B CN 202011616496 A CN202011616496 A CN 202011616496A CN 112744656 B CN112744656 B CN 112744656B
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- 230000000694 effects Effects 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000009471 action Effects 0.000 claims description 15
- SAZUGELZHZOXHB-UHFFFAOYSA-N acecarbromal Chemical compound CCC(Br)(CC)C(=O)NC(=O)NC(C)=O SAZUGELZHZOXHB-UHFFFAOYSA-N 0.000 claims description 6
- 230000002265 prevention Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3423—Control system configuration, i.e. lay-out
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Control (AREA)
Abstract
The invention belongs to the technical field of elevator equipment, and particularly provides a system and a method for controlling an elevator pressure relief device under a chimney effect.A floor stopping information and a running state of a car are monitored, analyzed and calculated in real time through an elevator signal collecting unit and a target floor prediction analysis module, so that a signal is output to the pressure relief device control module to control the opening or closing of the pressure relief device on a corresponding floor, the elevator can realize pressure relief in advance before a hoistway door is opened or closed, the pressure difference between an elevator hoistway and the outside of the hoistway is reduced, the problem of door opening and closing obstacles caused by the chimney effect is avoided, and the elevator riding experience of passengers is improved; meanwhile, the control on the pressure relief device can be more accurate and reasonable, the standby time and the state of the pressure relief device can be conveniently adjusted in time, and the running cost of the elevator is reduced.
Description
Technical Field
The invention belongs to the technical field of elevator equipment, and particularly relates to a control method and a control system of an elevator pressure relief device under a chimney effect.
Background
In the elevator shaft of a high-rise building, a chimney effect is ubiquitous; air in the elevator shaft flows upwards along the shaft space from the bottom, so that air pressure difference exists between the inside of the shaft and the outside of an elevator hall, and rising air can flow out from a gap between the closed part and the bottom of a door plate of the elevator hall door because the elevator hall door is not completely sealed, so that the chimney effect of a high-rise building can bring noise to the opening and closing of the elevator hall door, unsmooth opening and closing of the door, incapability of opening and closing the door and other adverse effects.
In the prior art, the problems that the opening and closing of the elevator hall door are not smooth, the opening and closing of the elevator hall door cannot be realized and the like are solved by adopting a mode of increasing the self-closing force of the elevator hall door such as increasing the driving force of the elevator hall door. The chimney effect of the building is greatly influenced by the local air temperature of the building, when the pressure difference between the inside and the outside of the hoistway is increased, the chimney effect is more obvious, and the adjustment difficulty is high by means of increasing the driving force and the self-closing force of the hoistway door, and the problems cannot be completely solved.
In addition, in the chinese application No. CN2020101359892, a pressure relief device is provided to communicate the hoistway and the outside of the elevator hall, so as to relieve pressure and eliminate the difference between the internal pressure and the external pressure caused by the chimney effect. However, the prior art still lacks a control method designed for the use of pressure relief devices.
Disclosure of Invention
In order to overcome the above disadvantages of the prior art, the present invention provides a method and a system for controlling a pressure relief device of an elevator under a chimney effect, so that the pressure relief device can be used more reasonably, the operation cost of the elevator is reduced, and the elevator riding experience is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a method for controlling a pressure relief device of an elevator under a chimney effect comprises the following steps:
an elevator signal collection unit is arranged to collect service information logged in by an elevator and output the service information;
setting a target layer prediction analysis module to receive the service information, perform prediction analysis on the stop floor of the car based on the service information, and output the result of the prediction analysis;
and arranging a pressure relief device control module to receive the result of the prediction analysis and send an action instruction to control the opening and closing of the pressure relief device on each floor.
Further, the service information comprises call information outside the hall, call information inside the car, current position information of the car and running speed of the car.
Further, the predictive analysis includes:
calculating the pre-stopping floor of the car according to the current position information of the car and the running speed of the car, and outputting a calculation result;
and comparing the service information which is logged in with the calculation result to output the actual stop floor of the car.
Further, the result of the predictive analysis comprises judgment of the running direction of the car;
when the running direction of the car is upwards running, if the actual stopping floor of the car is the Nth floor, the pressure relief device control module is made to send an action instruction so as to control the pressure relief devices on the Nth-M th floor to be opened, wherein M +1 is less than or equal to N.
Further, M ═ 1.
Further, when the running direction of the car is downward running, the actual stop floor of the car is judged, if the actual stop floor of the car is not an end floor, the actual stop floor of the car is assumed to be the Nth floor, and the pressure relief device control module is made to send an action instruction to control the pressure relief device on the Nth-M th floor to be opened, wherein M +1 is less than or equal to N.
Further, M ═ 1.
Further, when the actual stop floor of the car is an end floor, the pressure relief device control module is made to send an action instruction to control the opening of the pressure relief device on the end floor.
Furthermore, a squeaking prevention device is arranged on the pressure relief device.
A control system of an elevator pressure relief device under a chimney effect is suitable for the control method of the elevator pressure relief device under the chimney effect, and comprises the following steps:
the elevator signal collection unit is used for collecting service information of the logged elevator and outputting the service information;
the destination layer prediction analysis module is used for receiving the service information, performing prediction analysis on the stop floor of the car based on the service information and outputting the result of the prediction analysis;
and the pressure relief device control module is used for receiving the result of the prediction analysis and sending an action instruction to control the opening and closing of the pressure relief device on each floor.
Compared with the prior art, the invention has the beneficial effects that:
according to the scheme, the elevator signal collection unit and the target floor prediction analysis module are used for monitoring, analyzing and calculating floor stopping information and running states of the lift car in real time, so that signals are output to the pressure relief device control module to control the opening or closing of the pressure relief devices of corresponding floors, the elevator can realize pressure relief in advance before a hoistway door is opened or closed, the pressure difference between an elevator shaft and the outside of the hoistway door is reduced, the problem of door opening and closing obstacles caused by chimney effect is avoided, and the elevator riding experience of passengers is improved; meanwhile, the control on the pressure relief device can be more accurate and reasonable, the standby time and the state of the pressure relief device can be conveniently adjusted in time, and the running cost of the elevator is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of a determination process according to the present invention.
FIG. 2 is a schematic diagram of the control system of the present invention.
Wherein:
1-an elevator signal collection unit, 2-a target layer prediction analysis module and 3-a pressure relief device control module.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a detailed description of the present invention will be made with reference to the accompanying drawings and detailed description. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention, and the described embodiments are merely a subset of the embodiments of the present invention, rather than a complete embodiment. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Example 1
As shown in fig. 1-2, the present embodiment provides a method for controlling a pressure relief device of an elevator under a chimney effect, which mainly includes the following steps:
arranging an elevator signal collection unit 1 to collect the service information logged in by the elevator, wherein the collection comprises the input and confirmation of the service information; the service information comprises call information outside the hall, call information inside the car, current position information of the car and running speed of the car; the elevator signal collecting unit 1 can output the service information.
And a target layer prediction analysis module 2 is arranged to receive the service information, perform prediction analysis on the stop floor of the car based on the service information and output the result of the prediction analysis.
Further, the predictive analysis includes:
calculating the pre-stopping floor of the car according to the current position information of the car and the running speed of the car, and outputting the current calculation result; and then comparing the service information which is logged in with the calculation result based on the stopping priority of the elevator car floor so as to output the actual stopping floor of the car.
And arranging a pressure relief device control module 3 to receive the result of the prediction analysis and send an action instruction to control the opening and closing of the pressure relief device on each floor.
Further, the result of the predictive analysis comprises judgment of the running direction of the car; when the running direction of the car is upward running, if the actual stopping floor of the car is the Nth floor, the pressure relief device control module 3 is made to send an action instruction to control the pressure relief device on the Nth-M th floor to be opened, wherein M +1 is less than or equal to N; as a preferred embodiment, M ═ 1 is used herein. As an example, if the cage stops at the 6 th floor, the pressure relief device at the 5 th floor is controlled to be opened, so that the air pressure under the chimney effect can be relieved at the 5 th floor, and the opening and closing of the landing door at the 6 th floor serving as the stopping floor can be smoothly operated. Actually, as another example, M may be 0, and at this time, the effect of pressure relief may also be achieved, but pressure relief needs to be performed on the floor at the parking floor, which may affect the experience of passengers taking the elevator.
When the running direction of the car is downward running, the actual stopping floor of the car is judged, whether the stopping floor of the car is an end floor or not is judged, if the actual stopping floor of the car is not the end floor, the actual stopping floor of the car is still assumed to be the Nth floor, and the pressure relief device control module 3 is enabled to send an action instruction to control the pressure relief devices on the Nth-M th floors to be opened, wherein M +1 is not more than N; as a preferred embodiment, M ═ 1 is used herein.
When the actual stop floor of the car is the end floor, the chimney effect is the weakest at the moment, so that the pressure relief device control module 3 sends an action instruction to control the opening of the pressure relief device at the end floor.
As a preferable scheme, the pressure relief devices in this embodiment are all provided with a squeal prevention device.
In addition, the embodiment also provides a system for controlling the pressure relief device of the elevator under the chimney effect, which is suitable for the method for controlling the pressure relief device of the elevator under the chimney effect, and mainly comprises an elevator signal collecting unit 1, a target floor prediction analysis module 2 and a pressure relief device control module 3.
The elevator signal collection unit 1 is used for collecting service information logged in by an elevator and outputting the service information to the target layer prediction analysis module 2; the target layer prediction analysis module 2 receives the service information, performs prediction analysis on a stop floor of the car based on the service information, and outputs a result of the prediction analysis to the pressure relief device control module 3; and the pressure relief device control module 3 is used for receiving the result of the prediction analysis and sending an action instruction to control the pressure relief devices on all floors to be opened or closed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made to the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (6)
1. A method for controlling an elevator pressure relief device under a chimney effect is characterized by comprising the following steps:
an elevator signal collection unit is arranged to collect service information logged in by an elevator and output the service information;
setting a target layer prediction analysis module to receive the service information, perform prediction analysis on a stop floor of the car based on the service information, and output a result of the prediction analysis, wherein the result of the prediction analysis comprises judgment on the running direction of the car;
setting a pressure relief device control module to receive the result of the prediction analysis and send an action instruction to control the opening and closing of the pressure relief devices on each floor;
wherein,
when the running direction of the car is upward running, if the actual stopping floor of the car is the Nth floor, the pressure relief device control module is made to send an action instruction to control the pressure relief device on the Nth-M th floor to be opened, wherein M +1 is less than or equal to N;
when the running direction of the car is downward running, judging the actual stop floor of the car, if the actual stop floor of the car is not an end floor, assuming that the actual stop floor of the car is the Nth floor, and enabling the pressure relief device control module to send an action instruction to control the pressure relief devices on the Nth-M th floors to be opened, wherein M +1 is less than or equal to N;
when the actual stop floor of the car is an end floor, the pressure relief device control module is made to send an action instruction to control the opening of the pressure relief device on the end floor.
2. The method for controlling the pressure relief device of the elevator under the chimney effect according to claim 1, wherein the service information comprises call information outside a hall, call information inside a car, current position information of the car, and running speed of the car.
3. The method of claim 2, wherein the predictive analysis comprises:
calculating the pre-stopping floor of the car according to the current position information of the car and the running speed of the car, and outputting a calculation result;
and comparing the service information which is logged with the calculation result to output the actual stop floor of the car.
4. The method for controlling the pressure relief device of the elevator under the chimney effect according to claim 1, wherein M is 1.
5. The method as claimed in claim 1, wherein the pressure relief device is provided with a squeaking prevention device.
6. A chimney effect elevator pressure relief device control system, which is suitable for the chimney effect elevator pressure relief device control method according to any one of claims 1 to 5, and is characterized by comprising the following steps:
the elevator signal collection unit is used for collecting service information of the logged elevator and outputting the service information;
the destination layer prediction analysis module is used for receiving the service information, performing prediction analysis on the stop floor of the car based on the service information and outputting the result of the prediction analysis;
and the pressure relief device control module is used for receiving the result of the prediction analysis and sending an action instruction to control the opening and closing of the pressure relief device on each floor.
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004142877A (en) * | 2002-10-24 | 2004-05-20 | Toshiba Elevator Co Ltd | Pressure device in elevator shaft |
JP2011084378A (en) * | 2009-10-16 | 2011-04-28 | Toshiba Elevator Co Ltd | Elevator system |
CN106672720A (en) * | 2016-07-15 | 2017-05-17 | 日立电梯(中国)有限公司 | Compensation method for air pressure in elevator car |
EP3470354A1 (en) * | 2017-10-16 | 2019-04-17 | Lau Chun Ming | System and method for managing and monitoring lifting systems and building facilities |
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