CN114772408A - Method, system, storage medium and electronic apparatus for controlling elevator by motor - Google Patents
Method, system, storage medium and electronic apparatus for controlling elevator by motor Download PDFInfo
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- CN114772408A CN114772408A CN202210677694.7A CN202210677694A CN114772408A CN 114772408 A CN114772408 A CN 114772408A CN 202210677694 A CN202210677694 A CN 202210677694A CN 114772408 A CN114772408 A CN 114772408A
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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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
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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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door
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Abstract
The invention discloses a method, a system, a storage medium and an electronic device for controlling an elevator by using a motor, wherein the method comprises the following steps: the method comprises the steps of firstly obtaining the power-off working state of a motor, determining the distance between the bottom of an elevator car and the bottom of an elevator shaft according to the power-off working state of the motor and the position of the elevator car, starting a preset emergency scheme of the motor corresponding to the distance according to the distance to ensure the operation of the elevator, and reacting to the shutdown fault of the elevator in time under the power-off state of the motor to improve the operation safety of the elevator.
Description
Technical Field
The invention belongs to the technical field of motor control, and particularly relates to a method, a system, a storage medium and electronic equipment for controlling an elevator by using a motor.
Background
An elevator is a vertical elevator powered by an electric motor and equipped with a car that runs in a hoistway for the transportation of people or goods in a multi-story building. Elevators have become important building facilities in high-rise buildings and public places as transportation vehicles in the vertical direction and are indispensable. With the development of computer technology, automation technology and power electronics technology, modern elevators have become typical mechatronic products.
Conventional high-speed elevators generally have no emergency solutions in emergency situations. For example, when the elevator runs, power failure suddenly occurs, the elevator can stop instantly no matter which running state the elevator is in, and can not get rid of poverty in time, and only can wait for rescue, so that people trapped in the elevator can be alarmed easily, personal injury can be caused to passengers in the elevator, and safety and normal running of the elevator cannot be effectively guaranteed, which is a problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a method, a system, a storage medium and electronic equipment for controlling an elevator by using a motor, which are used for solving the defects in the prior art, can react to elevator faults in time and improve the running safety of the elevator.
One embodiment of the present application provides a method of controlling an elevator with a motor, the method comprising:
acquiring the power-off working state of the motor;
determining the distance from the bottom of the elevator car to the bottom of the elevator shaft according to the power-off working state of the motor and the position of the elevator car;
and starting a preset emergency scheme of the motor corresponding to the distance according to the distance so as to ensure the running of the elevator.
Optionally, the obtaining the power-off operating state of the motor includes:
the method comprises the steps of acquiring the working state of the motor in real time, and switching the normal working state of the motor to a short-circuit state as the power-off working state of the motor when the input power supply of the motor is not detected.
Optionally, the determining the distance from the bottom of the elevator car to the bottom of the elevator shaft according to the power-off working state of the motor and the position of the elevator car includes:
when the motor is in a power-off working state, sending a distance detection instruction from the bottom of the position of the elevator car to the bottom of the elevator shaft;
and receiving the distance detection instruction, and acquiring the distance from the bottom of the elevator car to the bottom of the elevator shaft.
Optionally, receiving the distance detection instruction, obtaining the distance from the bottom of the elevator car to the bottom of the elevator shaft, further includes:
and outputting and displaying prompt information for prompting the distance from the bottom of the elevator car to the bottom of the elevator shaft.
Optionally, the starting the preset emergency scheme of the motor corresponding to the distance according to the distance includes:
judging whether the distance is larger than a preset value or not;
if so, determining to start a first preset emergency scheme, wherein the first preset emergency scheme is to enable the elevator car to enter a sliding state at a preset speed and charge an energy storage component on the motor by using energy generated by the sliding of the elevator car;
and if not, determining to start a second preset emergency scheme, wherein the second preset emergency scheme is to output the position and height result of the elevator car and determine whether the elevator car is positioned at the opening position of the elevator landing door.
Yet another embodiment of the present application provides a system for controlling an elevator using a motor, the system comprising:
the acquisition module is used for acquiring the power-off working state of the motor;
the determining module is used for determining the distance from the bottom of the elevator car to the bottom of the elevator shaft according to the power-off working state of the motor and the position of the elevator car;
and the starting module is used for starting a preset emergency scheme of the motor corresponding to the distance according to the distance so as to ensure the running of the elevator.
Optionally, the obtaining module includes:
the acquisition unit is used for acquiring the working state of the motor in real time and switching the normal working state of the motor to a short-circuit state as the power-off working state of the motor when the input power supply of the motor is not detected.
Optionally, the determining module includes:
the sending unit is used for sending a distance detection command of the bottom of the position of the elevator car to the bottom of the elevator shaft when the motor is in a power-off working state;
and the receiving unit is used for receiving the distance detection command and acquiring the distance from the bottom of the elevator car to the bottom of the elevator shaft.
A further embodiment of the application provides a storage medium having a computer program stored thereon, wherein the computer program is arranged to perform the method as described in any of the above when executed.
Yet another embodiment of the present application provides an electronic device comprising a memory having a computer program stored therein and a processor configured to execute the computer program to perform the method of any of the above.
Compared with the prior art, the method and the device have the advantages that the power-off working state of the motor is firstly obtained, the distance between the bottom of the elevator car and the bottom of the elevator shaft is determined according to the power-off working state of the motor and the position of the elevator car, the preset emergency scheme of the motor corresponding to the distance is started according to the distance to ensure the operation of the elevator, the motor can timely react to the shutdown fault of the elevator in the power-off state of the motor, and the operation safety of the elevator is improved.
Drawings
Fig. 1 is a schematic flow chart of a method for controlling an elevator by using a motor according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a system for controlling an elevator by using a motor according to an embodiment of the present invention.
Detailed Description
The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
In order to facilitate an understanding of the present disclosure, the present invention will now be described more fully with reference to the accompanying drawings. Exemplary embodiments of the invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure.
Modern elevators are mainly composed of a tractor, guide rails, a counterweight, safety devices (such as a speed limiter, a safety gear, a buffer and the like), a signal control system, a car, a landing door and the like. These parts are installed in the hoistway and machine room of the building, respectively. Usually, a steel wire rope is used for friction transmission, the steel wire rope bypasses a traction sheave, and a motor drives the traction sheave to lift the car. The elevator requires safety and reliability, high conveying efficiency, accurate leveling, comfortable riding and the like. The basic parameters of the elevator mainly include rated load capacity, the number of passengers, rated speed, the overall dimension of the elevator car, the type of the hoistway, and the like. The passenger elevator does not need special personnel to operate, and common passengers only need to ride and operate the elevator according to the following procedures.
Under the normal working state of the elevator, firstly, pressing an up direction arrow button or a down direction arrow button at an elevator entrance of an elevator taking floor according to the requirement of ascending or descending, and only when a lamp on the button is on, the call is recorded, and only when the elevator is waited to arrive; secondly, after the elevator arrives at the door, the elevator rider enters the elevator car, after the elevator enters the car, the corresponding digital button on the operating panel in the car is pressed according to the floor where the elevator rider needs to arrive, and similarly, as long as the button is lightened, the selected floor is recorded, and at the moment, the elevator only needs to arrive at the target floor and stop; and finally, the elevator can be automatically opened after running to a target floor, and the elevator taking person can finish an elevator taking process when walking out of the elevator. When the elevator motor is in a power-off state, although energy with certain capacity stored in the battery can be converted into electric energy through the uninterruptible power supply or the automatic rescue device, and the electric energy is supplied to the motor frequency converter in a single-phase alternating current mode, so that the elevator car is controlled by the motor controller to slowly move to a leveling position or a rescue position under the condition of a low-voltage power supply, the uninterruptible power supply or the automatic rescue device is high in cost and limited in energy storage of the battery, and the energy of the battery is almost exhausted after several rescue operations.
Referring to fig. 1, fig. 1 is a schematic flow chart of a method for controlling an elevator by using a motor according to an embodiment of the present invention, which may include the following steps:
s101: and acquiring the power-off working state of the motor.
Specifically, obtaining the power-off operating state of the motor may include:
the method comprises the steps of acquiring the working state of the motor in real time, and switching the normal working state of the motor to a short-circuit state as the power-off working state of the motor when the input power supply of the motor is not detected.
In which obtaining the operating state of the motor first requires detecting the state of the motor, such as the operating state, the stationary state, etc., and starting or stopping some protection mechanisms in different motor states. For example, the restart protection of the motor may be enabled in a static state, the monitoring function of the motor may be enabled in an operating state, and the current or the voltage of the motor may be monitored at any time.
For example, if the current frequency or the voltage frequency of the motor drops by an amount greater than or equal to a preset current-voltage threshold, it is determined that the motor is powered off; or if the current power supply equipment for supplying power to the motor is monitored to send a power-off signal, determining that the motor is powered off; or if the descending amplitude of the rotating speed of the motor is larger than or equal to the preset rotating speed threshold value, determining that the motor is powered off. The method for determining whether the motor is powered off or not according to the preset threshold value can provide timeliness and accuracy for obtaining the state of the motor; and the realization complexity is low by determining whether the motor is powered off according to the power-off signal of the motor power supply equipment.
S102: and determining the distance from the bottom of the elevator car to the bottom of the elevator shaft according to the power-off working state of the motor and the position of the elevator car.
Specifically, determining the distance from the bottom of the elevator car to the bottom of the elevator shaft according to the power-off working state of the motor and the position of the elevator car may include:
1. and when the motor is in a power-off working state, sending a distance detection command of the bottom of the position of the elevator car to the bottom of the elevator shaft.
2. And receiving the distance detection instruction, and acquiring the distance from the bottom of the elevator car to the bottom of the elevator shaft.
Specifically, when the elevator car is in a power-off working state, a distance detection starting instruction is sent, the distance information of the elevator car from the bottom of the elevator shaft is obtained in real time according to the distance detection starting instruction, a corresponding position height result is calculated according to the distance information and output, and the position height of the elevator car is obtained in real time,
in one embodiment, when the elevator is in normal operation, the distance detection can remind passengers of the actual height of the elevator, and when the elevator is in power failure, accurate car height can be provided for rescue, namely the position of the car in the elevator shaft actually.
Optionally, the distance detection start instruction may be sent by a distance measuring device, for example, a laser distance measuring device, and the laser distance measuring device is electrically connected to the engine, and specifically, when the distance detection is performed by using the laser distance measuring principle, the obtaining of the distance information of the elevator car from the bottom of the elevator shaft in real time may include emitting a thin laser beam to the bottom of the elevator shaft, receiving the laser beam reflected by the target by a photoelectric element, and measuring the time from the emitting to the receiving of the laser beam by a timer.
Optionally, the distance detection start command may further identify a position identification code or a floor height of the current elevator car by using an image recognition technology, and determine an approximate distance between the elevator car and the bottom of the elevator shaft by using the currently identified position identification code or the current floor.
3. And outputting and displaying prompt information for prompting the distance from the bottom of the elevator car to the bottom of the elevator shaft.
The distance between the bottom of the elevator car and the bottom of the elevator shaft is obtained and output, the touch screen of the elevator can be provided with a voice recognition area and an input area, and a button for generating a trigger signal can be arranged in the input area, for example, the button is used for controlling the elevator to move upwards and downwards; the voice recognition area can automatically broadcast the distance result of the bottom of the elevator car from the bottom of the elevator shaft in real time.
Illustratively, the distance from the bottom of the elevator car to the bottom of the elevator shaft is determined by a laser distance measuring device, and the distance measuring result is fed back through a display screen panel or voice broadcasting.
And S103, starting a preset emergency scheme of the motor corresponding to the distance according to the distance so as to ensure the running of the elevator.
Specifically, starting a preset emergency scheme of the motor corresponding to the distance according to the distance to ensure the operation of the elevator may include:
a. and judging whether the distance is larger than a preset value.
b. And if so, determining to start a first preset emergency scheme, wherein the first preset emergency scheme is to enable the elevator car to enter a sliding state at a preset speed, and charging an energy storage component on the motor by using energy generated by the sliding of the elevator car.
c. And if not, determining to start a second preset emergency scheme, wherein the second preset emergency scheme is to output the position and height result of the elevator car and determine whether the elevator car is positioned at the opening position of the elevator landing door.
Specifically, the distance between the bottom of the elevator car and the bottom of the elevator shaft is judged to be larger than a preset value, so as to ensure that the sliding distance of the elevator car for starting the first preset emergency scheme is enough, and therefore, enough energy is generated and stored in the charging component, wherein the preset value can be 30 meters or 50 meters, and is not limited herein, and can be specifically determined according to parameters such as the weight of the elevator, the energy consumption and the like.
When the first preset emergency scheme is determined to be started, the motor can be switched to a short-circuit state before the elevator car slides and is started, the car slides at a low preset speed, the elevator car is guaranteed not to accelerate quickly, then negative voltage can be injected into the motor through open-loop control of the motor, the motor can charge a high-power direct-current bus, the voltage of the high-power direct-current bus is improved, and smooth switching of the closed-loop control is enhanced.
When it is determined to initiate the second preset contingency profile, the motor initiates closed loop control and reduces the motor speed to zero and brings the motor to a standstill, and then stops the car from sliding. The height result of the position of the elevator car obtained in real time is output, and the specific output form can be the height result of the position displayed, can also be a voice broadcast and other forms, and is not limited here.
For example, whether the elevator car is located at the opening position of the elevator landing door can be judged according to the height value of each floor, the height value of the elevator car and the position height result, and if so, first preset information can be output; if not, second preset information can be output.
It should be noted that the opening position of the elevator landing door refers to the position of the elevator door when the elevator door of the elevator normally works is opened, and the height of the corresponding position of the elevator car in the state is the safe door opening state; when the elevator car is not in the elevator landing door opening position, that is, in the unsafe door opening state, for example, the elevator car is located between two floors, the corresponding position height value is in the unsafe door opening state.
The first preset information and the second preset information can respectively and correspondingly prompt that the elevator car is in a safe door opening state and an unsafe door opening state. For example, when the distance from the bottom of the elevator car to the bottom of the elevator shaft is displayed through the display screen, the first preset information can be a green display screen, and correspondingly, the second preset information can be a red display screen which is displayed and flickers; the first preset information and the second preset information can also be a normal voice prompt, an abnormal voice prompt and the like respectively.
It should be noted that, in order to prevent the steel wire rope of the elevator from slipping after the elevator car enters a sliding state, at this time, the elevator motor does not move and the steel wire rope slides on the traction sheave of the motor, and at the same time, the speed governor is driven to rotate, and the speed sensor mounted on the shaft of the speed governor feeds back the rotating angle to the controller, at this time, no current exists because the motor does not rotate, and meanwhile, a brake reporting signal is also in an enabling state, and according to the signal feedback, the controller can send a driving signal to the elevator pushing device, so that the elevator reset spring is pushed to transversely move to compress the steel wire rope, and the elevator stops.
Therefore, the method and the device can respond to the elevator shutdown fault in time in the power-off state of the motor, and improve the running safety of the elevator.
In another embodiment of the present application, there is provided a system for controlling an elevator by using a motor, which is applied to any one of the above methods for controlling an elevator by using a motor, as shown in fig. 2, the system includes:
an obtaining module 201, configured to obtain a power-off operating state of the motor;
the determining module 202 is used for determining the distance from the bottom of the elevator car to the bottom of the elevator shaft according to the power-off working state of the motor and the position of the elevator car;
and the starting module 203 is used for starting a preset emergency scheme of the motor corresponding to the distance according to the distance so as to ensure the running of the elevator.
Specifically, the obtaining module includes:
the acquisition unit is used for acquiring the working state of the motor in real time and switching the normal working state of the motor to a short-circuit state when the input power supply of the motor is not detected as the power-off working state of the motor.
Specifically, the determining module includes:
the sending unit is used for sending a distance detection command of the bottom of the position of the elevator car to the bottom of the elevator shaft when the motor is in a power-off working state;
and the receiving unit is used for receiving the distance detection command and acquiring the distance from the bottom of the elevator car to the bottom of the elevator shaft.
Compared with the prior art, the method and the device have the advantages that the power-off working state of the motor is firstly obtained, the distance between the bottom of the elevator car and the bottom of the elevator shaft is determined according to the power-off working state of the motor and the position of the elevator car, the preset emergency scheme of the motor corresponding to the distance is started according to the distance to ensure the operation of the elevator, the motor can timely react to the shutdown fault of the elevator in the power-off state of the motor, and the operation safety of the elevator is improved.
An embodiment of the present invention further provides a storage medium, in which a computer program is stored, where the computer program is configured to execute the steps in any of the above method embodiments when running.
Specifically, in the present embodiment, the storage medium may be configured to store a computer program for executing the steps of:
s101: acquiring the power-off working state of the motor;
s102: determining the distance from the bottom of the elevator car to the bottom of an elevator shaft according to the power-off working state of the motor and the position of the elevator car;
s103: and starting a preset emergency scheme of the motor corresponding to the distance according to the distance so as to ensure the running of the elevator.
Specifically, in this embodiment, the storage medium may include, but is not limited to: various media capable of storing computer programs, such as a usb disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk.
Compared with the prior art, the method and the device have the advantages that the power-off working state of the motor is firstly obtained, the distance between the bottom of the elevator car and the bottom of the elevator shaft is determined according to the power-off working state of the motor and the position of the elevator car, the preset emergency scheme of the motor corresponding to the distance is started according to the distance to ensure the operation of the elevator, the motor can timely react to the shutdown fault of the elevator in the power-off state of the motor, and the operation safety of the elevator is improved.
An embodiment of the present invention further provides an electronic apparatus, which includes a memory and a processor, where the memory stores a computer program, and the processor is configured to execute the computer program to perform the steps in any of the above method embodiments.
Specifically, the electronic apparatus may further include a transmission device and an input/output device, wherein the transmission device is connected to the processor, and the input/output device is connected to the processor.
Specifically, in this embodiment, the processor may be configured to execute the following steps by a computer program:
s101: acquiring the power-off working state of the motor;
s102: determining the distance from the bottom of the elevator car to the bottom of the elevator shaft according to the power-off working state of the motor and the position of the elevator car;
s103: and starting a preset emergency scheme of the motor corresponding to the distance according to the distance so as to ensure the running of the elevator.
Compared with the prior art, the method and the device have the advantages that the power-off working state of the motor is firstly obtained, the distance between the bottom of the elevator car and the bottom of the elevator shaft is determined according to the power-off working state of the motor and the position of the elevator car, the preset emergency scheme of the motor corresponding to the distance is started according to the distance to ensure the operation of the elevator, the motor can timely react to the shutdown fault of the elevator in the power-off state of the motor, and the operation safety of the elevator is improved.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the above-described units is only one type of logical functional division, and other divisions may be realized in practice, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed coupling or direct coupling or communication connection between each other may be through some interfaces, indirect coupling or communication connection between devices or units, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit may be stored in a computer readable memory if it is implemented in the form of a software functional unit and sold or used as a separate product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a memory and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above methods according to the embodiments of the present invention. And the aforementioned memory comprises: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk, and various media capable of storing program codes.
The above embodiments of the present invention are described in detail, and the principle and the implementation of the present invention are explained by applying specific embodiments, and the description of the above embodiments is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A method for controlling an elevator by means of an electric motor, characterized in that the method comprises:
acquiring the power-off working state of the motor;
determining the distance from the bottom of the elevator car to the bottom of an elevator shaft according to the power-off working state of the motor and the position of the elevator car;
and starting a preset emergency scheme of the motor corresponding to the distance according to the distance so as to ensure the running of the elevator.
2. The method of claim 1, wherein said obtaining a de-energized operating state of the motor comprises:
the method comprises the steps of acquiring the working state of the motor in real time, and switching the normal working state of the motor to a short-circuit state as the power-off working state of the motor when the input power supply of the motor is not detected.
3. The method of claim 2, wherein determining the distance of the bottom of the elevator car from the bottom of the elevator hoistway based on the de-energized operational state of the motor and the position of the elevator car comprises:
when the motor is in a power-off working state, sending a distance detection command of the bottom of the position of the elevator car to the bottom of the elevator shaft;
and receiving the distance detection instruction, and acquiring the distance from the bottom of the elevator car to the bottom of the elevator shaft.
4. The method of claim 3, wherein receiving the distance detection command to obtain a distance of a bottom of the elevator car from a bottom of the elevator hoistway further comprises:
and outputting and displaying prompt information for prompting the distance from the bottom of the elevator car to the bottom of the elevator shaft.
5. The method according to any one of claims 1 to 4, wherein the starting of the preset contingency plan for the motor corresponding to the distance according to the distance comprises:
judging whether the distance is larger than a preset value or not;
if so, determining to start a first preset emergency scheme, wherein the first preset emergency scheme is to enable the elevator car to enter a sliding state at a preset speed and charge an energy storage component on the motor by using energy generated by the sliding of the elevator car;
and if not, determining to start a second preset emergency scheme, wherein the second preset emergency scheme is to output the position and height result of the elevator car and determine whether the elevator car is positioned at the opening position of the elevator landing door.
6. A system for controlling an elevator using a motor, the system comprising:
the acquisition module is used for acquiring the power-off working state of the motor;
the determining module is used for determining the distance between the bottom of the elevator car and the bottom of an elevator shaft according to the power-off working state of the motor and the position of the elevator car;
and the starting module is used for starting a preset emergency scheme of the motor corresponding to the distance according to the distance so as to ensure the running of the elevator.
7. The system of claim 6, wherein the acquisition module comprises:
the acquisition unit is used for acquiring the working state of the motor in real time and switching the normal working state of the motor to a short-circuit state when the input power supply of the motor is not detected as the power-off working state of the motor.
8. The system of claim 6, wherein the determination module comprises:
the sending unit is used for sending a distance detection command of the bottom of the position of the elevator car to the bottom of the elevator shaft when the motor is in a power-off working state;
and the receiving unit is used for receiving the distance detection command and acquiring the distance from the bottom of the elevator car to the bottom of the elevator shaft.
9. A storage medium, in which a computer program is stored, wherein the computer program is arranged to perform the method of any of claims 1 to 5 when executed.
10. An electronic device comprising a memory and a processor, wherein the memory has stored therein a computer program, and wherein the processor is arranged to execute the computer program to perform the method of any of claims 1 to 5.
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| CN202210677694.7A CN114772408A (en) | 2022-06-16 | 2022-06-16 | Method, system, storage medium and electronic apparatus for controlling elevator by motor |
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| CN202210677694.7A CN114772408A (en) | 2022-06-16 | 2022-06-16 | Method, system, storage medium and electronic apparatus for controlling elevator by motor |
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| US3554325A (en) * | 1969-04-21 | 1971-01-12 | Westinghouse Electric Corp | Motor control mechanism |
| CN103274267A (en) * | 2013-04-12 | 2013-09-04 | 快意电梯股份有限公司 | Outage position recognition device and protection method |
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| CN111453582A (en) * | 2020-04-23 | 2020-07-28 | 巨人通力电梯有限公司 | Time limiting method based on absolute position well signal system |
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Application publication date: 20220722 |