CN110589643A - Elevator car re-leveling control system and implementation method thereof - Google Patents
Elevator car re-leveling control system and implementation method thereof Download PDFInfo
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- CN110589643A CN110589643A CN201910754618.XA CN201910754618A CN110589643A CN 110589643 A CN110589643 A CN 110589643A CN 201910754618 A CN201910754618 A CN 201910754618A CN 110589643 A CN110589643 A CN 110589643A
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- Prior art keywords
- car
- door
- module
- elevator
- leveling
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
- B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
- B66B1/30—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor
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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
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
- B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
- B66B1/32—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on braking devices, e.g. acting on electrically controlled brakes
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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
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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
- B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
- B66B1/40—Means for stopping the cars, cages, or skips at predetermined levels and for correct levelling at landings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/143—Control systems or devices electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/02—Position or depth indicators
Abstract
The invention provides an elevator car re-leveling control system which comprises a logic control module, a driving brake module, a door detection module and a car position detection module, wherein the logic control module is used for controlling the driving brake module; the door detection module is arranged on the car door and used for detecting the opening and closing state of the car door; the car position detection module is arranged outside the car and used for detecting the position of the car; the output end of the door detection module and the output end of the lift car position detection module are electrically connected with the input end of the logic control module; the logic control module is electrically connected with the input end of the driving brake module; the driving and braking module is arranged on the elevator traction machine. The elevator car re-leveling control system and the realization method thereof provided by the invention have the advantages that the car position detection module is utilized to accurately position the car, the logic control module controls the driving and braking module according to the positioning information, so that the running speed and the direction of the elevator are controlled, the position of the car is adjusted, the car re-leveling is adjusted to an accurate position, and the use safety of the elevator is improved.
Description
Technical Field
The invention relates to the technical field of elevator control, in particular to an elevator car re-leveling control system and an implementation method of the system.
Background
When the elevator is used daily, the traction steel wire rope can be elastically extended or shortened due to the change of load after the elevator is leveled, the elevator can be started to move to the leveling position through leveling again, the elevator needs to be started again by judging the method that the elevator needs to be started again through the upper photoelectric switch, the lower photoelectric switch and the magnetic isolation plate, after one photoelectric switch is separated from the magnetic isolation plate, the elevator judges that the elevator needs to be started again, until the two photoelectricity are both in the magnetic isolation plate, the accuracy for judging the leveling position of the elevator by the method is not high, and certain potential safety hazards exist.
Disclosure of Invention
The invention provides an elevator car releveling control system for overcoming the technical defects of low accuracy and potential safety hazard in the conventional releveling starting judgment method.
The invention also provides an implementation method of the elevator car releveling control system.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the elevator car re-leveling control system comprises a logic control module, a driving brake module, a door detection module and a car position detection module; wherein:
the door detection module is arranged on the car door and used for detecting the opening and closing state of the car door;
the car position detection module is arranged on the outer side of the car and used for detecting the position of the car;
the output end of the door detection module and the output end of the lift car position detection module are electrically connected with the input end of the logic control module;
the output end of the logic control module is electrically connected with the input end of the driving brake module;
the driving and braking module is arranged on the elevator traction machine.
In the scheme, the position of the car is accurately positioned by using the car position detection module, and the logic control module controls the driving and braking module according to the positioning information, so that the running speed and the direction of the elevator are controlled, the position of the car is adjusted, the car is adjusted to an accurate position again in a leveling way, and the use safety of the elevator is improved.
The driving and braking module comprises a driving submodule and a braking submodule; wherein:
the input end of the driving sub-module is electrically connected with the logic control module;
the output end of the driving sub-module is electrically connected with the traction machine;
the input end of the brake submodule is electrically connected with the logic control module;
and the output end of the brake submodule is electrically connected with a band-type brake arranged on the tractor.
And a frequency converter is arranged on the driving submodule, and the traction machine is driven by the frequency converter.
The door detection module comprises a door lock switch circuit and a door-in-place proximity switch circuit; wherein:
the door lock switch circuit and the door-in-place proximity switch circuit are both arranged on the car door;
the door lock switch circuit is used for detecting the closing or opening state of the car door, and the door in-place proximity switch circuit is used for detecting whether the car door is closed or opened in place;
the door lock switch circuit and the door in-place proximity switch circuit are electrically connected with the input end of the logic control module.
In the scheme, a car door lock switch and a hall door lock switch are arranged on the door lock switch circuit, and a door opening in-place switch and a door closing in-place switch are arranged on the door in-place approach switch circuit; the elevator car door lock switch is used for detecting whether the elevator car door is in a closed or opened state, and the hall door lock switch is used for detecting whether the hall door is in a closed or opened state; the door opening in-place switch is used for detecting whether the car door is opened in place or not; the door closing in-place switch is used for detecting whether the car door is closed in place.
The logic control module comprises a microprocessor and a storage submodule; wherein:
the microprocessor is electrically connected with the storage submodule;
the output end of the door lock switch circuit, the output end of the door in-place proximity switch circuit and the output end of the car position detection module are electrically connected with the input end of the microprocessor;
and the output end of the microprocessor is electrically connected with the input end of the driving submodule and the input end of the braking submodule.
In the scheme, the storage submodule stores plane position information of each floor and provides functional logic for re-leveling of the elevator car.
Wherein, car position detection module includes magnetic grid chi device and magnetic tape, wherein:
the magnetic tape is arranged beside the elevator guide rail, and the floor codes are recorded on the magnetic tape;
the input end of the magnetic grid ruler device is provided with a Hall sensor, and the Hall sensor is used for reading the coded information on the magnetic tape;
the output end of the magnetic grid ruler device is electrically connected with the logic control module.
In the scheme, the magnetic tapes are vertically distributed on one side of the elevator shaft close to the magnetic grid ruler device, and the codes of any section of position points on the magnetic tapes are unique; the magnetic grid ruler device is arranged on one side, close to the guide rail, of the car, absolute value codes on the magnetic tape are read through the Hall sensors, and the coded information is converted into position information to be sent to the logic control module.
The realization method of the elevator car releveling control system comprises the following steps:
s1: after the elevator car stops and the door is opened, the door detection module detects that the door lock is opened and is opened to the position;
s2: the logic control module reads the current position of the car, the difference between the current position of the car and the stored and recorded leveling position is obtained, and if the difference is larger than the leveling starting limit and smaller than the door area limit, the leveling function is allowed;
s3: if the difference is positive, the actual position of the lift car is higher than the leveling position, and the lift car needs to be leveled downwards again; if the difference is negative, the actual position of the lift car is lower than the leveling position, and leveling is needed again; the logic control module generates a corresponding control instruction according to the judgment result;
s4: after the logic control module allows the re-leveling function, the driving brake module drives and controls the elevator to restart, and the elevator car moves to the leveling position;
s5: when the lift car reaches the leveling position, the driving braking module stops running, the lift is stopped, the logic control module restores the normal state of the lift, and the lift exits from the leveling function.
In step S4, when the elevator restarts the operation process, the logic control module reads the car position provided by the car position detection module in real time, stops the operation of the elevator immediately if the car moves away from the leveling position or the current position of the car does not change significantly, and maintains the operation state of the elevator until the car reaches the leveling position.
In the scheme, if the elevator car is leveled again and the steel wire rope slips or the running direction is wrong, the elevator car is immediately stopped and leveled again through the judgment of the absolute position of the elevator car, and the safety of the elevator is improved.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
the elevator car re-leveling control system and the realization method thereof provided by the invention have the advantages that the car position detection module is utilized to accurately position the car, the logic control module controls the driving and braking module according to the positioning information, so that the running speed and the direction of the elevator are controlled, the position of the car is adjusted, the car re-leveling is adjusted to an accurate position, and the use safety of the elevator is improved.
Drawings
FIG. 1 is a schematic diagram of an elevator car re-leveling control system;
FIG. 2 is a schematic diagram of elevator car re-leveling control system module connections;
FIG. 3 is a flow chart of a method for implementing the elevator car re-leveling control system;
wherein: 1. a logic control module; 11. a microprocessor; 12. a storage submodule; 2. a driving brake module; 21. a drive sub-module; 211. a frequency converter; 22. a brake submodule; 3. a door detection module; 31. a door lock switch circuit; 32. a door-in-place proximity switch circuit; 4. a car position detection module; 41. a magnetic scale device; 42. a magnetic tape; 5. a car; 6. a traction machine; 61. an internal contracting brake.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1 and 2, the elevator car re-leveling control system comprises a logic control module 1, a driving brake module 2, a door detection module 3 and a car position detection module 4; wherein:
the door detection module 3 is arranged on a car 5 door and used for detecting the opening and closing state of the car 5 door;
the car position detection module 4 is arranged outside the car 5 and used for detecting the position of the car 5;
the output end of the door detection module 3 and the output end of the car position detection module 4 are electrically connected with the input end of the logic control module 1;
the output end of the logic control module 1 is electrically connected with the input end of the driving brake module 2;
the driving and braking module 2 is arranged on an elevator traction machine 6.
In the specific implementation process, the position of the car 5 is accurately positioned by using the car position detection module 4, and the logic control module 1 controls the driving brake module 2 according to the positioning information, so that the running speed and the running direction of the elevator are controlled, the position of the car 5 is adjusted, the car 5 is adjusted to an accurate position again in a leveling way, and the use safety of the elevator is improved.
More specifically, the driving and braking module 2 comprises a driving submodule 21 and a braking submodule 22; wherein:
the input end of the drive submodule 21 is electrically connected with the logic control module 1;
the output end of the driving submodule 21 is electrically connected with the traction machine 6;
the input end of the brake submodule 22 is electrically connected with the logic control module 1;
the output end of the brake submodule 22 is electrically connected with a band-type brake 61 arranged on the traction machine 6.
More specifically, the driving submodule 21 is provided with an inverter 211, and the hoisting machine 6 is driven by the inverter 211.
More specifically, the door detection module 3 includes a door lock switch circuit 31 and a door-in-place proximity switch circuit 32; wherein:
the door lock switch circuit 31 and the door-in-place proximity switch circuit 32 are both arranged on the car door 5;
the door lock switch circuit 31 is used for detecting the closing or opening state of the car door 5, and the door-in-place proximity switch circuit 32 is used for detecting whether the car door 5 is closed or opened in place;
the door lock switch circuit 31 and the door in-place proximity switch circuit 32 are both electrically connected with the input end of the logic control module 1.
In a specific implementation process, the door lock switch circuit 31 is provided with a car door lock switch and a hall door lock switch, and the door in-place approach switch circuit 32 is provided with a door opening in-place switch and a door closing in-place switch; the elevator car door lock switch is used for detecting whether the elevator car door is in a closed or opened state, and the hall door lock switch is used for detecting whether the hall door is in a closed or opened state; the door opening in-place switch is used for detecting whether the car door is opened in place or not; the door closing in-place switch is used for detecting whether the car door is closed in place.
More specifically, the logic control module 1 includes a microprocessor 11 and a storage submodule 12; wherein:
the microprocessor 11 is electrically connected with the storage submodule 12;
the output end of the door lock switch circuit 31, the output end of the door in-place proximity switch circuit 32 and the output end of the car position detection module 4 are electrically connected with the input end of the microprocessor 11;
the output end of the microprocessor 11 is electrically connected with the input end of the driving submodule 21 and the input end of the braking submodule 22.
In the specific implementation process, the storage submodule 12 stores the plane position information of each floor, and provides the functional logic of re-leveling of the car 5.
More specifically, the car position detection module 4 includes a magnetic scale device 41 and a magnetic tape 42, wherein:
the magnetic tape 42 is arranged beside the guide rail of the elevator, and the floor codes are recorded on the magnetic tape 42;
a hall sensor is arranged at the input end of the magnetic grid ruler device 41, and the hall sensor is used for reading the coded information on the magnetic tape 42;
the output end of the magnetic grid ruler device 41 is electrically connected with the logic control module 1.
In the specific implementation process, the magnetic tape 42 is vertically distributed on one side of the elevator shaft close to the magnetic scale device 41, and the code of any section of position point on the magnetic tape 42 is unique; the magnetic scale device 41 is installed on one side of the car 5 close to the guide rail, reads the absolute value code on the magnetic tape 42 through the Hall sensor, converts the code information into position information and sends the position information to the logic control module 1.
Example 2
More specifically, on the basis of embodiment 1, as shown in fig. 3, the method for implementing the elevator car releveling control system includes the following steps:
s1: after the elevator car 5 stops and opens the door, the door detection module 3 detects that the door lock is opened and is opened to the position;
s2: the logic control module 1 reads the current position of the lift car 5, the difference between the current position of the lift car and the stored and recorded leveling position is obtained, and if the difference is larger than the leveling starting limit and smaller than the door area limit, the leveling function is allowed;
s3: if the difference is positive, the actual position of the lift car 5 is higher than the leveling position, and the lift car needs to be leveled downwards again; if the difference is negative, the actual position of the lift car 5 is lower than the leveling position, and leveling is needed again; the logic control module 1 generates a corresponding control instruction according to the judgment result;
s4: after the logic control module 1 allows the re-leveling function, the driving brake module 2 drives and controls the elevator to restart, and the elevator car moves to the leveling position;
s5: when the lift car 5 reaches the leveling position, the driving brake module stops running, the lift is stopped, the logic control module 1 restores the normal state of the lift, and the leveling function is quitted.
More specifically, in step S4, when the elevator restarts the operation process, the logic control module 1 reads the position of the car 5 provided by the car position detection module 4 in real time, stops the operation of the elevator immediately if the car 5 moves away from the leveling position or the current position of the car 5 does not change significantly, and maintains the operation state of the elevator until the car reaches the leveling position if the car 5 moves closer to the leveling position.
In the specific implementation process, if the elevator car 5 is leveled again, the steel wire rope slips or the running direction is wrong, the re-leveling function is immediately stopped through the judgment of the absolute position of the elevator car 5, and the safety of the elevator is improved.
In the specific implementation process, the position of the car 5 is accurately positioned by using the car position detection module 4, and the logic control module 1 controls the driving and braking module 2 according to the positioning information, so that the running speed and the running direction of the elevator are controlled, the position of the car 5 is adjusted, the car 5 is leveled to an accurate position again, and the use safety of the elevator is improved.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. Elevator car is leveling control system again, its characterized in that: the system comprises a logic control module (1), a driving brake module (2), a door detection module (3) and a car position detection module (4); wherein:
the door detection module (3) is arranged on a door of the car (5) and used for detecting the opening and closing state of a car door;
the car position detection module (4) is arranged outside the car and used for detecting the position of the car;
the output end of the door detection module (3) and the output end of the car position detection module (4) are electrically connected with the input end of the logic control module (1);
the output end of the logic control module (1) is electrically connected with the input end of the driving brake module (2);
the driving and braking module (2) is arranged on an elevator tractor (6).
2. The elevator car releveling control system of claim 1, wherein: the driving and braking module (2) comprises a driving submodule (21) and a braking submodule (22); wherein:
the input end of the drive submodule (21) is electrically connected with the logic control module (1);
the output end of the driving submodule (21) is electrically connected with the traction machine (6);
the input end of the brake submodule (22) is electrically connected with the logic control module (1);
the output end of the brake submodule (22) is electrically connected with a band-type brake (61) arranged on the tractor (6).
3. The elevator car releveling control system of claim 2, wherein: the driving submodule (21) is provided with a frequency converter (211), and the traction machine (6) is driven through the frequency converter (211).
4. The elevator car releveling control system of claim 3, wherein: the door detection module (3) comprises a door lock switch circuit (31) and a door in-place proximity switch circuit (32); wherein:
the door lock switch circuit (31) and the door-in-place proximity switch circuit (32) are arranged on the door of the car (5);
the door lock switch circuit (31) is used for detecting the closing or opening state of a door of the car (5), and the door-in-place proximity switch (32) is used for detecting whether the door of the car (5) is closed or opened in place;
the door lock switch circuit (31) and the door in-place proximity switch circuit (32) are electrically connected with the input end of the logic control module (1).
5. The elevator car releveling control system of claim 4, wherein: the logic control module (1) comprises a microprocessor (11) and a storage submodule (12); wherein:
the microprocessor (11) is electrically connected with the storage submodule (12);
the output end of the door lock switch circuit (31), the output end of the door in-place proximity switch circuit (32) and the output end of the car position detection module (4) are electrically connected with the input end of the microprocessor (11);
the output end of the microprocessor (11) is electrically connected with the input end of the driving submodule (21) and the input end of the braking submodule (22).
6. The elevator car releveling control system according to any one of claims 1 to 5, wherein: the car position detection module (4) comprises a magnetic scale device (41) and a magnetic tape (42), wherein:
the magnetic tape (42) is arranged beside the guide rail of the elevator, and the floor codes are recorded on the magnetic tape (42);
a Hall sensor is arranged at the input end of the magnetic grating ruler device (41), and the Hall sensor is used for reading the coded information on the magnetic tape (42);
the output end of the magnetic grid ruler device (41) is electrically connected with the logic control module (1).
7. The method of implementing an elevator car re-leveling control system of claim 6, comprising the steps of:
s1: after the elevator car stops and the door is opened, the door detection module (3) detects that the door lock is opened and is opened to the position;
s2: the logic control module (1) reads the current position of the car, the difference between the current position of the car and the stored and recorded leveling position is obtained, and if the difference is larger than the leveling starting limit and smaller than the door area limit, the leveling function is allowed;
s3: if the difference is positive, the actual position of the lift car is higher than the leveling position, and the lift car needs to be leveled downwards again; if the difference is negative, the actual position of the lift car is lower than the leveling position, and leveling is needed again; the logic control module (1) generates a corresponding control instruction according to the judgment result;
s4: after the logic control module (1) allows the re-leveling function, the driving brake module (2) drives and controls the elevator to restart, and the elevator car moves to the leveling position;
s5: when the lift car reaches the leveling position, the driving brake module (2) stops running, the lift is stopped, the logic control module (1) restores the normal state of the lift, and the function of leveling again is exited.
8. The method of claim 7, wherein the elevator car releveling control system comprises: in step S4, when the elevator restarts the operation process, the logic control module (1) reads the car position provided by the car position detection module (4) in real time, stops the operation of the elevator immediately if the car moves away from the leveling position or the current position of the car does not change significantly, and maintains the operation state of the elevator until the car reaches the leveling position if the car moves closer to the leveling position.
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| CN116022613A (en) * | 2023-02-22 | 2023-04-28 | 菱王电梯有限公司 | Elevator leveling detection method and device, electronic equipment and storage medium |
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| CN112623897A (en) * | 2020-12-15 | 2021-04-09 | 宁波宏大电梯有限公司 | Intelligent superspeed elevator |
| CN112623897B (en) * | 2020-12-15 | 2022-08-09 | 宁波宏大电梯有限公司 | Intelligent superspeed elevator |
| CN113148903A (en) * | 2021-01-04 | 2021-07-23 | 罗三定 | Lifting platform leveling method with automatic repairing function |
| CN116022613A (en) * | 2023-02-22 | 2023-04-28 | 菱王电梯有限公司 | Elevator leveling detection method and device, electronic equipment and storage medium |
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