CN113233268A - Elevator operation control method, control device, and computer-readable storage medium - Google Patents

Elevator operation control method, control device, and computer-readable storage medium Download PDF

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Publication number
CN113233268A
CN113233268A CN202110423132.5A CN202110423132A CN113233268A CN 113233268 A CN113233268 A CN 113233268A CN 202110423132 A CN202110423132 A CN 202110423132A CN 113233268 A CN113233268 A CN 113233268A
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Prior art keywords
elevator
torque
floor
load
full
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CN113233268B (en
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钱建新
姚培锋
鹿旭
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Suzhou Inovance Technology Co Ltd
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Suzhou Inovance Technology Co Ltd
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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
    • 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
    • B66B1/3446—Data transmission or communication within the control system
    • B66B1/3461—Data transmission or communication within the control system between the elevator control system and remote or mobile stations
    • 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
    • B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
    • 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)
  • Elevator Control (AREA)

Abstract

The invention discloses an elevator operation control method, which comprises the steps that an elevator controller controls an elevator to operate according to a first operation curve after receiving a starting signal, and obtains a first torque output by a traction motor of the elevator when the elevator operates according to the first operation curve; acquiring a full-load torque corresponding to the floor where the elevator is located and the running direction; and determining whether the elevator is overloaded or not by comparing the first torque with the full-load torque, and controlling the elevator to operate in different modes according to the overload condition of the elevator. According to the invention, the first operation curve is added in the normal operation process of the elevator, and the first torque is obtained in the operation process of the elevator according to the first operation curve. Under the condition that no weighing sensor is arranged, the invention judges whether the elevator is overweight or not by comparing the first torque and the full load torque of each floor, thereby not only saving the hardware cost of the elevator, but also improving the measurement precision of the load.

Description

Elevator operation control method, control device, and computer-readable storage medium
Technical Field
The invention relates to the technical field of elevator control, in particular to an elevator operation control method, control equipment and a computer readable storage medium.
Background
The elevator load detection is an important component in an elevator control system and is an important link capable of ensuring the normal operation of the elevator.
At present, an elevator control system judges the load of a car through a weighing sensor, and load detection modes are mainly divided into an analog quantity detection method and a digital quantity detection method. The analog quantity detection method needs an installer to carry out weighing self-learning when the elevator is installed, and if accurate weighing data needs to be obtained, the method needs to carry out weighing self-learning on each floor, so that the implementation process is complex. The digital quantity detection method is to directly judge whether the elevator is overloaded or fully loaded by giving high and low levels to an elevator control system.
However, in the existing load detection scheme, the weighing sensor is used, so that an electrical interface is added, the hardware cost and the later maintenance cost are increased, and if the weighing sensor is not used, the real-time load of the car is difficult to quantify with high precision, and the safety of the system in operation cannot be ensured.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an elevator operation control method which can save hardware cost and improve the measurement precision of the elevator load.
In a first aspect, an embodiment of the present invention provides an elevator operation control method including:
after receiving a starting signal, an elevator controller controls an elevator to operate according to a first operation curve, and obtains a first torque output by a traction motor of the elevator when the elevator operates according to the first operation curve;
acquiring a full-load torque corresponding to the floor where the elevator is located and the running direction;
and determining whether the elevator is overloaded or not by comparing the first torque with the full-load torque, and controlling the elevator to operate in different modes according to the overload condition of the elevator.
The elevator operation control method of the embodiment of the invention at least has the following beneficial effects: according to the invention, the first operation curve is added in the normal operation process of the elevator, and the first torque is obtained in the operation process of the elevator according to the first operation curve. Under the condition that no weighing sensor is arranged, the invention judges whether the elevator is overweight or not by comparing the first torque and the full load torque of each floor, thereby not only saving the hardware cost of the elevator, but also improving the measurement precision of the load.
Further, the controlling the elevator to operate according to a first operation curve and acquiring a first torque output by a traction motor of the elevator when the elevator operates according to the first operation curve comprises:
acquiring a first operation curve, and outputting a driving voltage to the traction motor according to the first operation curve so as to control the elevator to slightly move upwards or downwards;
and when the driving voltage reaches a preset frequency, acquiring the output torque of the traction motor as a first torque.
Further, the full load torque includes an upward full load torque and a downward full load torque, and the determining whether the elevator is overloaded by comparing the magnitudes of the first torque and the full load torque includes:
when the elevator ascends at any floor, if the first torque is larger than the ascending full-load torque of the corresponding floor, determining that the elevator is overloaded, and if the first torque is smaller than or equal to the ascending full-load torque of the corresponding floor, determining that the elevator is not overloaded;
when the elevator descends at any floor, if the first torque is larger than the descending full load torque of the corresponding floor, the elevator is determined to be overloaded, and if the first torque is smaller than or equal to the descending full load torque of the corresponding floor, the elevator is determined not to be overloaded.
Further, the controlling the elevator to operate in different modes according to the overload condition of the elevator comprises:
when the elevator is not overloaded, the elevator controller controls the elevator to run to a target floor;
when the elevator is overloaded, the elevator controller controls the elevator car of the elevator to move to the door area of the current floor, and opens the elevator door and sends an overweight alarm signal.
Further, the elevator controller controls the car of the elevator to travel to a door zone of a current floor, including:
and the elevator controller generates a second operation curve and controls the elevator car to operate to the door zone of the current floor according to the second operation curve, wherein the direction of the second operation curve is opposite to that of the first operation curve.
Further, the method further comprises:
when the elevator is in no-load, controlling the elevator to run from a bottom layer to a top layer in a layer-by-layer stopping mode, controlling the elevator to run according to the first running curve at the starting stage of each floor, and acquiring the output torque of the traction motor as an uplink no-load torque;
when the elevator is in no-load, controlling the elevator to run from a top layer to a bottom layer in a layer-by-layer stopping mode, controlling the elevator to run according to the first running curve at the starting stage of each floor, and acquiring the output torque of the traction motor as a downlink no-load torque;
and fitting according to the uplink idle torque and the downlink idle torque of the traction motor on each floor to obtain the full-load torque of the traction motor in each direction of each floor.
Further, the obtaining of the full load torque of the traction motor in each direction of each floor by fitting according to the uplink no-load torque and the downlink no-load torque of the traction motor in each floor includes:
acquiring the dynamic friction torque of the elevator on each floor according to the uplink idle load torque and the downlink idle load torque of each floor;
acquiring full-load friction torque of each floor when the elevator is fully loaded according to the dynamic friction torque and the balance coefficient of the elevator;
acquiring a second torque of the traction motor on each floor according to the full-load friction torque, the ascending no-load torque and the balance coefficient of each floor, wherein the second torque is the torque output by the motor when the elevator is fully loaded and has no external friction influence;
and acquiring the full-load torque of each floor according to the second torque and the full-load friction torque of each floor.
Further, the obtaining of the dynamic friction torque of the elevator at each floor according to the upward idle torque and the downward idle torque of each floor includes: the dynamic friction torque of the elevator at each floor is obtained by the following calculation formula:
Figure BDA0003028462290000031
wherein, T1Is an upward no-load torque, T2Is a downward no-load torque, TfIs the kinetic friction torque;
the obtaining of the full-load friction torque of the elevator at each floor when the elevator is fully loaded according to the dynamic friction torque and the balance coefficient of the elevator comprises: the full-load friction torque of each floor is obtained by the following calculation formula:
Figure BDA0003028462290000032
wherein, TFIs the full load friction torque, TfIs the kinetic friction torque, K is the balance coefficient;
the acquiring of the second torque of the traction motor at each floor according to the full-load friction torque, the ascending no-load torque and the balance coefficient of each floor comprises the following steps: and acquiring a second torque of the traction motor at each floor by the following calculation formula:
Figure BDA0003028462290000041
wherein, TQIs the second torque, TFIs the full load friction torque, TfIs the kinetic friction torque, K is the balance coefficient;
obtaining the full load torque of each floor according to the second torque and the full load friction torque of each floor, comprising: the full load torque of each floor is obtained by the following calculation formula:
T＝TQ±TF
where T is the full load torque, TQIs the second torque, TFIs the full load friction torque.
In a second aspect, one embodiment of the present invention provides an elevator operation control apparatus, comprising a processor, and a memory communicatively coupled to the processor; wherein the memory stores instructions executable by the processor to enable the processor to perform the method of detecting and processing elevator load as described in the above embodiments.
In a third aspect, an embodiment of the present invention provides a computer-readable storage medium storing computer-executable instructions for causing a computer to perform the method for detecting and processing elevator load as described in the above embodiment.
Drawings
Fig. 1 is a schematic flow chart of an embodiment of an elevator operation control method according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating one embodiment of obtaining full load torque according to the present invention;
FIG. 3 is a schematic flow chart illustrating one embodiment of obtaining the up-bound idle torque and the down-bound idle torque according to the present invention;
fig. 4 is a flowchart illustrating an embodiment of step S23 in fig. 2.
Detailed Description
The concept and technical effects of the present invention will be clearly and completely described below in conjunction with the embodiments to fully understand the objects, features and effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention.
When the elevator is in a normal running state, the elevator controller controls the elevator to run according to the received starting signal. The elevator operation control method of the invention adds a pre-operation process in the elevator operation process, collects the operation data of the elevator in the pre-operation process, detects the load condition of the elevator and controls the operation of the elevator according to the operation data, and is shown in figure 1.
And step S1, after receiving the starting signal, the elevator controller controls the elevator to run according to the first running curve, and obtains a first torque output by a traction motor of the elevator when the elevator runs according to the first running curve.
Specifically, the embodiment of the invention adds a pre-operation process on the basis of the existing elevator operation time sequence. The pre-operation process is that the elevator controller plans a section of operation curve, namely a first operation curve, according to the actual parameters of the elevator or user settings, and when the elevator is on different floors, the first operation curve of the embodiment of the invention can be different and can be determined according to the actual conditions of the different floors. When the elevator is in a normal working state, the elevator controller acquires a first operation curve when the elevator is started, and outputs driving voltage to the traction motor according to the first operation curve so as to control the elevator car to slightly move upwards or downwards; and when the driving voltage reaches a preset frequency, acquiring the output torque of the traction motor as a first torque. The first curve can be planned in advance according to the application occasions and the like of the elevator.
And step S2, acquiring the full load torque corresponding to the floor where the elevator is located and the running direction.
The full-load torque can be acquired in a self-learning mode after the elevator is installed and before the elevator is used under normal load. Specifically, after the elevator is installed, the elevator is in an idle state, and the elevator is triggered to enter a load detection self-learning stage through manual setting of function codes. Of course, in practical applications, the above-mentioned full-load torque may be obtained by any other conventional method.
In the load detection self-learning stage, the elevator controller acquires torque data output by the traction machine when the traction machine ascends or descends on each floor, and stores all the torque data in the storage unit. After the load detection self-learning is finished, all torque data of the elevator controller are processed, a plurality of full-load torques of the elevator are obtained as reference data, and whether the elevator is overweight during normal work is judged.
And step S3, determining whether the elevator is overloaded by comparing the first torque with the full load torque, and controlling the elevator to operate in different modes according to the overload condition of the elevator.
After the load detection self-learning phase is over, the elevator can enter a normal operating state (i.e. the elevator starts to carry people/goods). When the elevator is started every time, the elevator controller controls the elevator to operate according to the first operation curve and obtains a first torque, then the first torque is compared with the full-load torque according to the floor and the operation direction where the elevator is located at present, and whether the elevator is overweight is judged.
Specifically, when the elevator ascends at any floor, if the first torque is larger than the ascending full-load torque of the corresponding floor, the elevator is determined to be overloaded, and if the first torque is smaller than or equal to the ascending full-load torque of the corresponding floor, the elevator is determined not to be overloaded; when the elevator descends at any floor, if the first torque is larger than the descending full load torque of the corresponding floor, the elevator is determined to be overloaded, and if the first torque is smaller than or equal to the descending full load torque of the corresponding floor, the elevator is determined not to be overloaded. When the elevator is not overloaded, the elevator controller controls the elevator to run to a target floor; when the elevator is overloaded, the elevator controller controls the elevator car of the elevator to move to the door area of the current floor, and opens the elevator door and sends an overweight alarm signal.
Wherein the elevator controller controlling the car of the elevator to travel to the door zone of the current floor comprises: and the elevator controller generates a second operation curve and controls the elevator car to operate to the door zone of the current floor according to the second operation curve, wherein the direction of the second operation curve is opposite to that of the first operation curve. The second operating curves of the invention can be different on different floors and can be determined according to the actual conditions of different floors.
The full-load torque of the embodiment of the invention is obtained through the load detection self-learning stage, which is carried out before the elevator starts to work normally, as shown in fig. 2.
Step S21, when the elevator is unloaded, controlling the elevator to run from the bottom layer to the top layer in a layer-by-layer stopping mode, controlling the elevator to run according to a first running curve at the starting stage of each floor, and acquiring the output torque of the traction motor as an ascending unloaded torque;
step S22, when the elevator is unloaded, controlling the elevator to run from the top layer to the bottom layer in a layer-by-layer stopping mode, controlling the elevator to run according to the first running curve at the starting stage of each floor, and acquiring the output torque of the traction motor as a downlink unloaded torque;
and step S23, fitting according to the ascending idle torque and the descending idle torque of the traction motor on each floor to obtain the full load torque of the traction motor in each direction of each floor.
In order to obtain high-precision full-load torque, the embodiment of the invention obtains the full-load torque of the elevator on all floors in the load detection self-learning stage. Specifically, as shown in fig. 3, in the load detection self-learning stage according to the embodiment of the present invention, the elevator controller controls the elevator to stop from floor to floor and move upwards sequentially (i.e., the elevator car stops at the door area of each floor and then starts to move upwards). When each floor is started, the elevator controller controls the elevator to run according to a first running curve, and when the driving voltage reaches a preset frequency, the output torque of the traction motor is obtained and stored as the uplink no-load torque of each floor until the elevator runs to the highest floor. And at the highest floor, the elevator controller controls the elevator to move according to the first operation curve, and the elevator does not move upwards after the uplink control torque of the highest floor is obtained.
After the elevator reaches the highest floor, the elevator controller controls the elevator to start descending, and similar to the ascending process, the elevator stops layer by layer and runs downwards in sequence (namely the elevator stops in the door area of each floor, and then starts to run downwards). When each floor is started, the elevator controller controls the elevator to run according to a first running curve, and when the driving voltage reaches a preset frequency, the output torque of the traction motor is obtained and stored as the downlink no-load torque of each floor until the elevator runs to the lowest floor. And at the lowest floor, the elevator controller controls the elevator to move according to the first operation curve, and the elevator does not move downwards after the upward control torque of the lowest floor is obtained.
Referring to fig. 4, after the load detection self-learning stage is finished, the elevator controller performs fitting processing on the upward idle torque and the downward idle torque of each floor respectively to obtain full load torque. The invention takes the case that the floor is the third floor, and the ascending no-load torque of the third floor is assumed to be T1Down no-load torque of T2Then, the calculation process of the full load torque of the third floor is as follows:
and step S231, acquiring the dynamic friction torque of the elevator on each floor according to the uplink idle load torque and the downlink idle load torque of each floor.
Specifically, the uplink no-load torque of the third floor acquired in the load detection self-learning stage is acquired as T1Down no-load torque of T2And obtaining the dynamic friction torque of the elevator on the third floor by the following calculation formula (1):
Figure BDA0003028462290000071
wherein, T1Is an upward no-load torque, T2Is a downward no-load torque, TfIs the kinetic friction torque.
And step S232, acquiring the full-load friction torque of each floor when the elevator is fully loaded according to the dynamic friction torque and the balance coefficient of the elevator.
And after calculating the dynamic friction force torque of the third floor in no-load, acquiring the balance coefficient of the elevator, wherein the value of the balance coefficient is set by a user. The full-load friction torque of the elevator in the third floor when the elevator is fully loaded can be calculated according to the dynamic friction torque and the balance coefficient, and the full-load friction torque of the third floor is obtained by the following calculation formula (2):
Figure BDA0003028462290000072
wherein, TFIs the full load friction torque, TfIs the kinetic friction torque and K is the equilibrium coefficient.
And step S233, acquiring a second torque of the traction motor at each floor according to the full-load friction torque, the ascending no-load torque and the balance coefficient of each floor, wherein the second torque is the torque output by the motor when the elevator is full and has no external friction influence.
Specifically, according to the mechanical equation, the output torque corresponding to the idle state of the third floor is (T)1-Tf) And in combination with the balance coefficient of the elevator, under the condition that the third floor is in a full-load state and the influence of external friction is not considered, acquiring a second torque of the traction motor on the third floor by the following calculation formula (3):
Figure BDA0003028462290000081
wherein, TQIs the second torque, TFIs the full load friction torque, TfIs the kinetic friction torque and K is the equilibrium coefficient.
In step S234, the full load torque of each floor is obtained according to the second torque and the full load friction torque of each floor.
Specifically, the full load torque of third floor is obtained by the following calculation formula (4):
T＝TQ±TF (4)
where T is the full load torque, TQIs the second torque, TFIs the full load friction torque. Wherein the full load torque comprises an uplink full load torque and a downlink full load torque, and the uplink full load torque TU and the downlink full load torque T of the third floor can be known according to a calculation formula (4)DRespectively calculated according to the following calculation formula:
Figure BDA0003028462290000082
according to the above equations (1) - (5), the upward full load torque and the downward full no load torque of each floor can be calculated.
The invention adds the pre-operation process in the normal operation time sequence of the elevator, and obtains the output torque of the traction machine through the pre-operation process to measure the load of the elevator; and the full-load torque of the tractor is obtained by adding a pre-operation process in the load detection self-learning stage. According to the invention, under the condition that the weighing sensor is not added, whether the elevator is overweight is judged by comparing the output torque of the traction machine in normal working with the full-load torque in the load detection self-learning stage, so that the hardware cost is saved, and the accuracy of elevator load detection is improved.
One embodiment of the invention provides an elevator operation control device, which comprises a processor and a memory, wherein the memory is in communication connection with the processor; wherein the memory stores instructions executable by the processor to enable the processor to perform the method of detecting and processing elevator load as described in the above embodiments.
The elevator operation control device in this embodiment belongs to the same concept as the elevator operation control method in the embodiment corresponding to fig. 1 to 4, and the specific implementation process is described in detail in the corresponding method embodiment, and the technical features in the method embodiment are correspondingly applicable in this device embodiment, which is not described herein again.
An embodiment of the present invention provides a computer-readable storage medium storing computer-executable instructions for causing a computer to execute the method for detecting and processing an elevator load according to the above embodiment.
The computer-readable storage medium in this embodiment is the same as the elevator operation control method in the embodiment corresponding to fig. 1 to 4, and the specific implementation process thereof is described in detail in the corresponding method embodiment, and the technical features in the method embodiment are applicable in this apparatus embodiment, which is not described herein again.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
It is obvious to those skilled in the art that, for convenience and simplicity of description, the foregoing functional units and modules are merely illustrated in terms of division, and in practical applications, the foregoing functions may be distributed as needed by different functional units and modules. Each functional unit and module in the embodiments may be integrated in one processor, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the above-mentioned device may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed elevator operation control method and operation control device may be implemented in other manners. For example, the elevator operation control apparatus embodiments described above are merely illustrative.
In addition, functional units in the embodiments of the present application may be integrated into one processor, 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 modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the flow in the method of the embodiments described above can be realized by a computer program, which can be stored in a computer-readable storage medium and can realize the steps of the embodiments of the methods described above when the computer program is executed by a processor. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any physical or interface switching device, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signal, telecommunication signal, software distribution medium, etc., capable of carrying said computer program code. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media which may not include electrical carrier signals and telecommunications signals in accordance with legislation and patent practice.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention. Furthermore, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

Claims (10)

1. An elevator operation control method characterized by comprising:
after receiving a starting signal, an elevator controller controls an elevator to operate according to a first operation curve, and obtains a first torque output by a traction motor of the elevator when the elevator operates according to the first operation curve;
acquiring a full-load torque corresponding to the floor where the elevator is located and the running direction;
and determining whether the elevator is overloaded or not by comparing the first torque with the full-load torque, and controlling the elevator to operate in different modes according to the overload condition of the elevator.
2. The method of claim 1, wherein controlling the elevator to operate according to a first operating curve and obtaining a first torque output by a traction motor of the elevator when the elevator is operating according to the first operating curve comprises:
acquiring a first operation curve, and outputting a driving voltage to the traction motor according to the first operation curve so as to control the elevator to slightly move upwards or downwards;
and when the driving voltage reaches a preset frequency, acquiring the output torque of the traction motor as a first torque.
3. The method of claim 2, wherein the full load torque comprises an upward full load torque and a downward full load torque, and wherein determining whether the elevator is overloaded by comparing the magnitude of the first torque and the full load torque comprises:
when the elevator ascends at any floor, if the first torque is larger than the ascending full-load torque of the corresponding floor, determining that the elevator is overloaded, and if the first torque is smaller than or equal to the ascending full-load torque of the corresponding floor, determining that the elevator is not overloaded;
when the elevator descends at any floor, if the first torque is larger than the descending full load torque of the corresponding floor, the elevator is determined to be overloaded, and if the first torque is smaller than or equal to the descending full load torque of the corresponding floor, the elevator is determined not to be overloaded.
4. The method of claim 2, wherein the controlling the elevator to operate differently based on the overload condition of the elevator comprises:
when the elevator is not overloaded, the elevator controller controls the elevator to run to a target floor;
when the elevator is overloaded, the elevator controller controls the elevator car of the elevator to move to the door area of the current floor, and opens the elevator door and sends an overweight alarm signal.
5. The method of claim 4, wherein the elevator controller controls a car of the elevator to travel to a door zone of a current floor, comprising:
and the elevator controller generates a second operation curve and controls the elevator car to operate to the door zone of the current floor according to the second operation curve, wherein the direction of the second operation curve is opposite to that of the first operation curve.
6. The method of claim 2, further comprising:
when the elevator is in no-load, controlling the elevator to run from a bottom layer to a top layer in a layer-by-layer stopping mode, controlling the elevator to run according to the first running curve at the starting stage of each floor, and acquiring the output torque of the traction motor as an uplink no-load torque;
when the elevator is in no-load, controlling the elevator to run from a top layer to a bottom layer in a layer-by-layer stopping mode, controlling the elevator to run according to the first running curve at the starting stage of each floor, and acquiring the output torque of the traction motor as a downlink no-load torque;
and fitting according to the uplink idle torque and the downlink idle torque of the traction motor on each floor to obtain the full-load torque of the traction motor in each direction of each floor.
7. The method according to claim 6, wherein the obtaining the full load torque of the traction motor in each direction of each floor by fitting according to the up idle torque and the down idle torque of the traction motor at each floor comprises:
acquiring the dynamic friction torque of the elevator on each floor according to the uplink idle load torque and the downlink idle load torque of each floor;
acquiring full-load friction torque of each floor when the elevator is fully loaded according to the dynamic friction torque and the balance coefficient of the elevator;
acquiring a second torque of the traction motor on each floor according to the full-load friction torque, the ascending no-load torque and the balance coefficient of each floor, wherein the second torque is the torque output by the motor when the elevator is fully loaded and has no external friction influence;
and acquiring the full-load torque of each floor according to the second torque and the full-load friction torque of each floor.
8. The method of claim 7, wherein the obtaining the kinetic friction torque of the elevator at each floor based on the upward and downward idle torques at each floor comprises: the dynamic friction torque of the elevator at each floor is obtained by the following calculation formula:
Figure FDA0003028462280000021
wherein, T1Is an upward no-load torque, T2Is a downward no-load torque, TfIs the kinetic friction torque;
the obtaining of the full-load friction torque of the elevator at each floor when the elevator is fully loaded according to the dynamic friction torque and the balance coefficient of the elevator comprises: the full-load friction torque of each floor is obtained by the following calculation formula:
Figure FDA0003028462280000031
wherein, TFIs the full load friction torque, TfIs the kinetic friction torque, K is the balance coefficient;
the acquiring of the second torque of the traction motor at each floor according to the full-load friction torque, the ascending no-load torque and the balance coefficient of each floor comprises the following steps: and acquiring a second torque of the traction motor at each floor by the following calculation formula:
Figure FDA0003028462280000032
wherein, TQIs the second torque, TFIs the full load friction torque, TfIs the kinetic friction torque, K is the balance coefficient;
obtaining the full load torque of each floor according to the second torque and the full load friction torque of each floor, comprising: the full load torque of each floor is obtained by the following calculation formula:
T＝TQ±TF
where T is the full load torque, TQIs the second torque, TFIs the full load friction torque.
9. An elevator operation control apparatus comprising a processor, and a memory communicatively coupled to the processor; wherein the memory stores instructions executable by the processor to enable the processor to perform the method of elevator load detection and processing of any of claims 1 to 8.
10. A computer-readable storage medium storing computer-executable instructions for causing a computer to perform the method for detecting and processing elevator load according to any one of claims 1 to 8.
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