CN108861906B

CN108861906B - Intelligent elevator control system and method

Info

Publication number: CN108861906B
Application number: CN201810667050.3A
Authority: CN
Inventors: 王文成; 吴小进; 季涛
Original assignee: Weifang Uiot Iot Technology Co ltd; Weifang University
Current assignee: Weifang Uiot Iot Technology Co ltd; Weifang University
Priority date: 2018-06-26
Filing date: 2018-06-26
Publication date: 2021-01-05
Anticipated expiration: 2038-06-26
Also published as: CN108861906A

Abstract

The embodiment of the application provides an intelligent elevator control system and method, because a main control device can control the operation of a car according to the control information of an elevator, the control information of the elevator comprises the states of keys on each layer in the car, the states of the existence of personnel in the car, the fullness rate in the car and the key states of a waiting hall; and because the first pressure sensor array formed by L pressure sensors is arranged at the bottom of the elevator car, the elevator monitoring controller can determine the number of elevator passengers in the elevator car according to the counted number of the pressure sensors receiving the trigger signals and the receiving time of the trigger signals, and determine the current passenger fullness rate in the elevator car according to the number of the elevator passengers and the number of the nuclear passengers in the elevator car, after the master control device obtains the passenger fullness rate in the elevator car, the control information of the elevator can be updated according to the passenger fullness rate reflecting the passenger loading condition of the personnel in the elevator car, the elevator car is controlled to operate according to the updated control information of the elevator, the invalid door opening and closing of the elevator is avoided, the resources are saved, and the service life of the elevator is prolonged.

Description

Intelligent elevator control system and method

Technical Field

The application relates to the technical field of elevator control, in particular to an intelligent elevator control system and method.

Background

With the acceleration of urbanization, the number of high-rise buildings is increasing day by day. The elevator is used as an important component matched with a high-rise building, plays an important role in daily life of people, and brings convenience and quickness for people to go out. Conventional elevator operating rules are as follows: passengers randomly arrive at the lobby and respond by requesting the elevator group via the up/down buttons. When the designated elevator or other elevators reach the floor, the request is eliminated in the request queue. When the elevator in the related art is in operation, the following situations of ineffective dispatching often occur:

(1) there is no load in the car but a call request is made. Mainly means that the passenger presses the floor to which the passenger needs to go, the elevator responds to the command, but when the passenger gives up taking the elevator for some reasons and leaves the elevator, the elevator in the related art still responds to the floor command pressed by the passenger, so that the elevator is in idle running and the elevator door is opened or closed inefficiently.

(2) The elevator is fully loaded in the elevator car, but the elevator waiting hall has a request. Mainly means that when the elevator car is fully loaded and arrives at a certain floor, passengers in the elevator car do not have a floor stop request for the floor, but when the elevator waiting hall at the floor has a demand and people also exist, the elevator in the related art still stops at the floor and opens the elevator door, so that the elevator door is not opened or closed effectively.

The elevator is not required to be opened, closed and operated due to the ineffective dispatching, energy waste is caused, the elevator is frequently opened, the service life of the elevator is shortened due to the fact that the elevator door is frequently opened and an ineffective key is pressed, the related parts are aged or abraded, and the damage speed of the elevator is accelerated.

Disclosure of Invention

To overcome, at least to some extent, the problems in the related art, the present application provides an intelligent elevator control system and method.

An aspect of an embodiment of the present application provides an intelligent elevator control system, including: the system comprises a main control device and a car information monitoring device; the car information monitoring device comprises a car monitoring controller and a first pressure sensor array which is arranged at the bottom of the car and consists of L pressure sensors;

the car monitoring controller is used for determining the number of elevator taking people in the car according to the counted number of the pressure sensors receiving the trigger signals in the first pressure sensor array and the receiving time of the trigger signals, determining the passenger fullness rate in the current car according to the number of elevator taking people and the number of people checking the car, and sending the passenger fullness rate to the main control device;

the main control device is used for receiving the full rate of passengers in the current car sent by the car monitoring controller, and updating control information of the elevator in real time according to the full rate of passengers in the current car, wherein the control information of the elevator comprises information in the car and information of each elevator waiting hall, the information in the car comprises the state of each layer of keys in the car, the state of whether people exist in the car and the number of passengers in the car, and the information of the elevator waiting hall comprises the state of the keys in the elevator waiting hall; and controlling the operation of the elevator car according to the control information of the elevator updated in real time.

Preferably, the interval between each pressure sensor and the pressure sensor in the neighborhood thereof is within the average foot length range acquired in advance; the neighborhood is a four neighborhood or an eight neighborhood; when the number of people taking the elevator in the elevator car is determined according to the counted number of the pressure sensors receiving the trigger signals in the first pressure sensor array and the receiving time of the trigger signals, the elevator car monitoring controller is specifically used for:

judging whether a pressure sensor receiving the trigger signal exists in the pressure sensors in the neighborhood of each pressure sensor receiving the trigger signal; if the number of the elevator taking people in the elevator car is not half of the counted number of the pressure sensors receiving the trigger signals in the first pressure sensor array, determining the number of the elevator taking people in the elevator car to be half of the counted number of the pressure sensors receiving the trigger signals; if yes, continuously judging whether the difference value of the trigger signal receiving time of a pair of pressure sensors which are adjacent to each other and receive the trigger signal is within a preset difference value range; if the number of the elevator taking people in the elevator car is not within the preset difference range, determining that the number of the elevator taking people in the elevator car is half of the counted number of the pressure sensors receiving the trigger signals in the first pressure sensor array; and if the difference value is within the preset value range, counting the logarithm of the pressure sensors with the difference value within the preset value range, and determining that the elevator taking number in the elevator car is half of the difference value between the counted number of the pressure sensors receiving the trigger signals in the first pressure sensor array and the logarithm.

Preferably, when the control information of the elevator is updated according to the full rate of passengers in the current car, the master control device is specifically configured to update the full rate of passengers in the car in real time according to the full rate of passengers in the current car; if the passenger fullness rate in the current car is larger than zero and smaller than a preset value, determining that the car is in a manned state, and not updating the state of each layer of keys in the car; if the passenger fullness rate in the current car is zero, determining that the car is in an unmanned state, and updating the pressed state in the states of the keys on each layer in the car to be in a non-pressed state; and if the fullness rate of the current elevator car is greater than or equal to the preset value, determining that people exist in the elevator car, and updating the pressed state in the key states of the elevator waiting halls into a non-pressed state.

Preferably, the elevator car further comprises a first image acquisition device arranged on the top of the car;

the first image acquisition device is used for acquiring images in the car in real time;

the car monitoring controller is also used for monitoring whether a foreground target exists in the car according to the image acquired by the first image acquisition device and sending a monitoring result to the main control device;

the master control device is also used for receiving the monitoring result of the foreground target sent by the car monitoring controller, and when the passenger fullness rate is zero, if the foreground target is determined in the car according to the monitoring result, the unmanned state in the car is updated to be the manned state.

Preferably, the information of the elevator waiting hall further comprises the existence state of the personnel in the elevator waiting hall; the intelligent elevator control system further comprises: the elevator waiting hall monitoring control device is arranged on each floor; the elevator waiting hall monitoring and controlling device comprises an elevator waiting hall monitoring controller and a second pressure sensor array which is arranged at the bottom of the elevator waiting hall and consists of M pressure sensors;

the elevator waiting hall monitoring controller is used for detecting whether a pressure sensor receiving a trigger signal exists in the second pressure sensor array, determining whether the personnel in the elevator waiting hall exist or not at present according to the detection result and sending the personnel to the main control device;

and the main control device is also used for receiving the state of the existence of the personnel in the current elevator waiting hall sent by each elevator waiting hall monitoring controller and updating the control information of the elevator according to the state of the existence of the personnel in the current elevator waiting hall of each elevator waiting hall.

Preferably, when the presence or absence of the personnel in the current elevator waiting hall is determined according to the detection result, the elevator waiting hall monitoring controller is specifically configured to: if the pressure sensor receiving the trigger signal is detected in the second pressure sensor array, determining that the current elevator waiting hall is in a manned state, otherwise, determining that the elevator waiting hall is in an unmanned state; when the control information of the elevator is updated according to the state of the personnel in the current elevator waiting hall of each elevator waiting hall, the main control device is specifically used for updating the state of the personnel in the elevator waiting hall of the corresponding floor according to the state of the personnel in the current elevator waiting hall of each elevator waiting hall; if the current elevator waiting hall is in an unmanned state, updating the key state of the elevator waiting hall of the corresponding floor from a pressed state to a non-pressed state; and if the current elevator waiting hall is in a manned state, not updating the key state of the elevator waiting hall of the corresponding floor.

Preferably, the information of the lobby further comprises a state of reservation or not; the intelligent elevator control system also comprises a second image acquisition device arranged at the top of the elevator waiting hall;

the second image acquisition device is used for acquiring images in the elevator waiting hall in real time;

the elevator waiting hall monitoring controller is also used for detecting the movement condition of personnel towards the elevator according to the images acquired by the second image acquisition device and sending the movement condition of personnel towards the elevator to the main control device;

the main control device is also used for receiving the personnel movement condition in the elevator direction sent by the elevator waiting hall monitor, when the elevator car is in an unmanned state, if the personnel movement condition in the elevator direction determines that a person moves in the elevator direction, the state without reservation is modified into the state with reservation, and the key state of the elevator waiting hall of the corresponding floor is modified from the state without being pressed into the state with pressing.

Another aspect of the embodiments of the present application provides an intelligent elevator control method, including:

receiving a current passenger fullness rate in the car sent by a car monitoring controller, wherein the passenger fullness rate is obtained according to the number of passengers and the number of passengers in the car, the number of passengers is determined according to the number of pressure sensors receiving trigger signals in a first pressure sensor array and the receiving time of the trigger signals, and the first pressure sensor array is formed by L pressure sensors arranged at the bottom of the car;

updating the control information of the elevator in real time according to the passenger fullness rate in the current elevator car; the control information of the elevator comprises information in the elevator car and information of each elevator waiting hall, the information in the elevator car comprises the state of each layer of keys in the elevator car, the state of whether personnel exist in the elevator car and the fullness rate in the elevator car, and the information of each elevator waiting hall comprises the state of the keys of each elevator waiting hall;

and controlling the operation of the elevator car according to the control information of the elevator updated in real time.

Preferably, the specific method for determining the number of people taking the elevator in the car by counting the number of the pressure sensors receiving the trigger signals in the first pressure sensor array and the trigger signal receiving time includes:

judging whether a pressure sensor receiving the trigger signal exists in the pressure sensors in the neighborhood of each pressure sensor receiving the trigger signal;

if the number of the elevator taking people in the elevator car is not half of the counted number of the pressure sensors receiving the trigger signals in the first pressure sensor array, determining the number of the elevator taking people in the elevator car to be half of the counted number of the pressure sensors receiving the trigger signals;

if yes, continuously judging whether the difference value of the trigger signal receiving time of a pair of pressure sensors which are adjacent to each other and receive the trigger signal is within a preset difference value range;

if the number of the elevator taking people in the elevator car is not within the preset difference range, determining that the number of the elevator taking people in the elevator car is half of the counted number of the pressure sensors receiving the trigger signals in the first pressure sensor array;

and if the difference value is within the preset value range, counting the logarithm of the pressure sensors with the difference value within the preset value range, and determining that the elevator taking number in the elevator car is half of the difference value between the counted number of the pressure sensors receiving the trigger signals in the first pressure sensor array and the logarithm.

Preferably, the information of the elevator waiting hall further comprises the existence state of the personnel in the elevator waiting hall;

the method further comprises the following steps:

receiving the state of the existence of personnel in the current elevator waiting hall sent by each elevator waiting hall monitoring controller, and updating the control information of the elevator according to the state of the existence of personnel in the current elevator waiting hall of each elevator waiting hall; the existence state of the personnel in the elevator waiting hall is determined by whether a pressure sensor receiving the trigger signal exists in a second pressure sensor array arranged at the bottom of the elevator waiting hall.

Preferably, the information of the elevator waiting hall further comprises a state of reservation or not;

the method further comprises the following steps:

receiving the movement condition of personnel moving towards the elevator direction sent by the elevator waiting hall monitors, and updating the control information of the elevator according to the movement condition of the personnel moving towards the elevator direction in each elevator waiting hall;

the movement condition of the personnel towards the elevator direction is obtained by detecting the image collected by the second image collecting device arranged at the top of the elevator waiting hall in real time.

Preferably, the method further comprises:

receiving a monitoring result of the foreground target sent by the car monitoring controller, and updating the unmanned state in the car to be the manned state if the foreground target is determined to be in the car according to the monitoring result when the passenger fullness rate is zero; the monitoring result of the foreground target is determined by images acquired by a first image acquisition device arranged at the top of the car in real time.

The technical scheme provided by the application can comprise the following beneficial effects:

in the intelligent elevator control system of the embodiment of the application, the main control device can control the operation of the elevator car according to the control information of the elevator, wherein the control information of the elevator comprises information in the elevator car and information of each elevator waiting hall, the information in the elevator car comprises the state of keys on each layer in the elevator car, the state of whether people exist in the elevator car and the passenger fullness rate in the elevator car, and the information of the elevator waiting hall comprises the state of the keys of the elevator waiting hall; and because the first pressure sensor array formed by L pressure sensors is arranged at the bottom of the elevator car, and the elevator car monitoring controller in the elevator is respectively connected with the first pressure sensor array and the main control device, the elevator car monitoring controller can determine the number of elevator taking people in the elevator car according to the counted number of the pressure sensors receiving the trigger signals in the first pressure sensor array and the receiving time of the trigger signals, and determine the current passenger fullness rate in the elevator car according to the number of elevator taking people and the number of nuclear people in the elevator car, and the passenger fullness rate can reflect the passenger taking situation of people in the elevator car, therefore, the main control device can update the control information of the elevator according to the passenger fullness rate in the elevator car after obtaining the passenger fullness rate in the elevator car, so that the control information is more accurate, the elevator car is controlled to run according to the updated control information of the elevator, the invalid door opening and closing of the elevator is avoided, and resources are saved, the service life of the elevator is prolonged.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Fig. 1 is a schematic structural diagram of an intelligent elevator control system according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of an intelligent elevator control system according to another embodiment of the present application.

Fig. 3 is a schematic diagram of an internal structure of a car of an intelligent elevator control system according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a hall of an intelligent elevator control system according to an embodiment of the present application.

Fig. 5 is a schematic flow chart of an intelligent elevator control method according to an embodiment of the present application.

Fig. 6 is a schematic flow chart of an intelligent elevator control method according to another embodiment of the present application.

Fig. 7 is a flowchart illustrating an intelligent elevator control method according to still another embodiment of the present application.

Fig. 8 is a flowchart illustrating an intelligent elevator control method according to still another embodiment of the present application.

Reference numerals: the system comprises a main control device-1, a car monitoring controller-2, a waiting hall monitoring controller-3, a first image acquisition device-4, a second image acquisition device-5, a first pressure sensor array-6 and a second pressure sensor array-7.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of intelligent elevator control systems and methods consistent with certain aspects of the present application, as detailed in the appended claims.

Fig. 1 is a schematic structural diagram of an intelligent elevator control system provided in an embodiment of the present application. Referring to fig. 1, some embodiments provide an intelligent elevator control system comprising: the system comprises a main control device 1 and a car information monitoring device; the car information monitoring device comprises a car monitoring controller 2 and a first pressure sensor array 6 which is arranged at the bottom of the car and consists of L pressure sensors; the car monitoring controller 2 is used for counting the number of the pressure sensors receiving the trigger signals in the first pressure sensor array 6, determining the passenger fullness rate in the current car according to the counted number of the pressure sensors receiving the trigger signals and the total number of the pressure sensors, and sending the passenger fullness rate to the main control device 1; the main control device 1 is used for receiving the full rate of passengers in the current car sent by the car monitoring controller 2, updating the control information of the elevator in real time according to the full rate of passengers in the current car, wherein the control information of the elevator comprises information in the car and information of each elevator waiting hall, the information in the car comprises the state of buttons on each layer in the car, the state of whether people exist in the car and the full rate of passengers in the car, and the information of each elevator waiting hall comprises the button state of each elevator waiting hall, and controlling the operation of the car according to the control information of the elevator updated in real time.

In this embodiment, the main control device 1 can control the operation of the car according to the control information of the elevator, wherein the control information of the elevator includes information in the car and information of each elevator waiting hall, the information in the car includes the state of each layer of keys in the car, the state of whether people are in the car, and the passenger fullness rate in the car, and the information of the elevator waiting hall includes the state of the keys in the elevator waiting hall; and because the first pressure sensor array 6 composed of L pressure sensors is arranged at the bottom of the car, and the car monitoring controller 2 in the elevator is respectively connected with the first pressure sensor array 6 and the main control device 1, the car monitoring controller 2 determines the number of passengers in the car according to the counted number of the pressure sensors receiving the trigger signals in the first pressure sensor array 6 and the receiving time of the trigger signals, and determines the passenger fullness rate in the current car according to the number of the passengers and the number of the passengers in the car, and the passenger fullness rate can reflect the passenger riding condition of the passengers in the car, therefore, the main control device 1 can update the control information of the elevator according to the passenger fullness rate in the car after obtaining the passenger fullness rate in the car, so that the control information is more accurate, the car is controlled to run according to the updated control information of the elevator, and the invalid door opening and closing of the elevator are avoided, saves resources and prolongs the service life of the elevator.

Further, the master control apparatus 1 may be of various types, and for example, may be a single chip microcomputer based on an Advanced RISC Machine (ARM).

Further, the interval between each pressure sensor in the first pressure sensor array 6 and the pressure sensor in the adjacent area is within the range of the average foot length obtained in advance; wherein the neighborhood is a four neighborhood or an eight neighborhood. When the average foot length range is obtained in advance, specifically, the foot lengths of a certain number of people in each age group can be obtained in advance, and the average value of the foot lengths in each age group is calculated to obtain the average foot length range of the people. For example, the foot length of a population over 5 years old may be collected, resulting in a foot length range of 15 to 30 centimeters for 5 years old to adults, and the interval may be one of 15 to 30 centimeters, preferably 20 centimeters.

Owing to locate car bottom with first pressure sensor array 6, consequently can set up the rubber leather face in car bottom pressure sensor's top, so, refer to fig. 3, the people is when the car, through trampling the rubber leather face for rubber leather face undercut and trigger pressure sensor, so, car monitoring controller 2 alright in order to count the number of receiving the pressure sensor who exports trigger signal. Specifically, when the number of people taking the elevator in the elevator car is determined according to the counted number of the pressure sensors receiving the trigger signal in the first pressure sensor array 6 and the trigger signal receiving time, the elevator car monitoring controller 2 is specifically configured to:

judging whether a pressure sensor receiving the trigger signal exists in the pressure sensors in the neighborhood of each pressure sensor receiving the trigger signal; if the number of the people in the elevator car is not half of the number of the pressure sensors which receive the trigger signals in the first pressure sensor array 6; if yes, continuously judging whether the difference value of the trigger signal receiving time of a pair of pressure sensors which are adjacent to each other and receive the trigger signal is within a preset difference value range; if the number of people in the elevator car is not within the preset difference range, determining that the number of people in the elevator car is half of the number of the pressure sensors which receive the trigger signals in the first pressure sensor array 6; if the difference value is within the preset value range, counting the logarithm of the pressure sensors with the difference value within the preset value range, and determining that the number of people in the elevator car is half of the difference value between the number of the pressure sensors receiving the trigger signals in the first pressure sensor array 6 and the logarithm.

The number of people in the car can be set according to the load capacity of the elevator, for example, the number of people in the car can be set to be in the range of 15 to 20, and preferably, the number of people in the car can be set to be 18.

The intelligent elevator control system in some embodiments, referring to fig. 2, further comprises a first image capture device 4 disposed on top of the car; the first image acquisition device 4 is used for acquiring images in the car in real time; the car monitoring controller 2 is also used for monitoring whether a foreground target exists in the car according to the image acquired by the first image acquisition device 4 and sending a monitoring result to the main control device 1; and the main control device 1 is also used for receiving a monitoring result of the foreground target sent by the car monitoring controller 2, and when the passenger fullness rate is zero, if the foreground target in the car is determined according to the monitoring result, updating the unmanned state in the car to be the manned state.

The pressure sensor may be a diaphragm pressure sensor, for example. The film type pressure sensor can reduce the thickness of the pressure sensor at the bottom of the car.

Specifically, when the situations that human feet in the car cannot be detected by the first pressure sensor array 6, or the human feet are between the pressure sensors, or the pressure sensors are in failure and the like occur, the car monitoring controller 2 cannot receive a trigger signal of the first pressure sensor array 6, the first image acquisition device 4 is arranged to acquire images in the car in real time, and background subtraction is adopted to determine whether a foreground target exists in the car.

Further, the first image capturing device 4 may be of various types, and may be a camera, for example.

Further, the foreground object may be a human.

Furthermore, the information of the elevator waiting hall also comprises the states of the personnel in the elevator waiting hall; the intelligent elevator control system further comprises: the elevator waiting hall monitoring control device is arranged on each floor; referring to fig. 2, the elevator waiting hall monitoring and controlling device comprises an elevator waiting hall monitoring controller 3 and a second pressure sensor array 7 which is arranged at the bottom of the elevator waiting hall and is composed of M pressure sensors; the elevator waiting hall monitoring controller 3 is used for detecting whether a pressure sensor receiving a trigger signal exists in the second pressure sensor array 7 or not, determining whether the personnel in the current elevator waiting hall exist or not according to the detection result and sending the personnel to the main control device 1; the main control device 1 is further configured to receive the status of the presence or absence of the person in the current elevator waiting hall sent by each elevator waiting hall monitoring controller 3, and update the control information of the elevator according to the status of the presence or absence of the person in the current elevator waiting hall of each elevator waiting hall.

In this embodiment, the second pressure sensor array 7 is arranged at the bottom of the elevator waiting hall, and the elevator waiting hall monitoring controller 3 can judge whether the personnel in the elevator waiting hall are in the existing state according to whether the pressure sensor receiving the trigger signal exists in the second pressure sensor array 7, and if the pressure sensor receiving the trigger signal exists in the second pressure sensor array 7, the personnel in the elevator waiting hall are determined to be in the existing state, otherwise, the personnel in the elevator waiting hall are in the unattended state.

The main control device 1 can update the control information of the elevator according to the existence state of the personnel in the current elevator waiting hall of each elevator waiting hall, and if the current elevator waiting hall is in an unmanned state, the key state of the elevator waiting hall of the corresponding floor is updated from a pressed state to a non-pressed state; and if the current elevator waiting hall is in a manned state, the key state of the elevator waiting hall of the corresponding floor is not updated. So, alright in order to avoid the people when giving up taking the elevator after pressing the room button of waiting for the elevator, because of some reasons, the elevator still can dispatch to the condition on this layer, has prolonged the life of elevator.

Referring to fig. 4, in order to prevent the detection range of the second pressure sensor array 7 from being too large or too small, in this embodiment, M pressure sensors in the second pressure sensor array 7 are arranged in 3 rows at the bottom of the elevator waiting hall close to the elevator door, and the selection of the pressure sensors and the distance between adjacent pressure sensors can refer to the selection and arrangement mode of the first pressure sensor array 6, and specifically, can be adjusted according to the actual situation. In fig. 4, the direction indicated by the dotted line is the traveling direction of the person in the lobby.

In the intelligent elevator control system in some embodiments, the information of the lobby further includes a state of whether an appointment is made; the intelligent elevator control system also comprises a second image acquisition device 5 arranged at the top of the elevator waiting hall; the second image acquisition device 5 is used for acquiring images in the elevator waiting hall in real time; the elevator waiting hall monitoring controller 3 is also used for detecting the movement condition of the personnel towards the elevator according to the images acquired by the second image acquisition device 5 and sending the movement condition of the personnel towards the elevator to the main control device 1; the main control device 1 is also used for receiving the movement condition of the person in the elevator direction sent by the elevator waiting hall monitor, when the elevator car is in an unmanned state, if the person is determined to move in the elevator direction according to the movement condition of the person in the elevator direction, the state without reservation is modified into the state with reservation, and the key state of the elevator waiting hall of the corresponding floor is modified from the state without pressing into the state with pressing.

Specifically, the elevator waiting hall monitoring controller 3 monitors the movement condition of the personnel in the elevator direction by adopting a combined tracking algorithm of mean shift and kalman filtering according to the image acquired by the second image acquisition device 5, and the main control device 1 updates the control information of the elevator according to the received movement condition of the personnel in the elevator direction sent by the elevator waiting hall monitor. When the car is in an unmanned state, if the situation that people move towards the elevator direction is determined, the state without reservation is modified into the state with reservation, and the key state of the elevator waiting hall of the corresponding floor is modified from the state without pressing into the state with pressing. Thus, elevator reservation is realized.

The mean shift method and the kalman filter algorithm are both existing algorithms, and specific reference may be made to relevant data, which is not described herein again.

Further, the second image capturing device 5 may be of various types, and may be a camera, for example.

Furthermore, a display is arranged in the elevator waiting hall, and the display not only displays the running state of the lift car, but also displays the fullness rate of the lift car in real time, so that other passengers can conveniently replace other advancing channels.

Fig. 5 is a schematic flow chart of an intelligent elevator control method according to an embodiment of the present application. Referring to fig. 5, some embodiments provide an intelligent elevator control method comprising:

step 51, receiving the passenger fullness rate in the current car sent by the car monitoring controller; wherein: the passenger fullness rate is obtained according to the number of passengers taking the elevator and the number of passengers in the elevator car, wherein the number of passengers taking the elevator is determined according to the counted number of the pressure sensors receiving the trigger signals in the first pressure sensor array and the receiving time of the trigger signals;

step 52, updating the control information of the elevator in real time according to the passenger fullness rate in the current elevator car; wherein: the control information of the elevator comprises information in the elevator car and information of each elevator waiting hall, the information in the elevator car comprises the state of each layer of keys in the elevator car, the state of the existence of personnel in the elevator car and the passenger fullness rate in the elevator car, and the information of the elevator waiting hall comprises the key state of the elevator waiting hall;

and step 53, controlling the operation of the elevator car according to the control information of the elevator updated in real time.

In the embodiment, the operation of the elevator car can be controlled according to the control information of the elevator, wherein the control information of the elevator comprises the states of keys on each layer in the elevator car, the states of the personnel in the elevator car and the passenger fullness rate in the elevator car, and the information of the elevator waiting hall comprises the key states of the elevator waiting hall; and because the first pressure sensor array formed by the L pressure sensors is arranged at the bottom of the car, the number of elevator passengers in the car can be determined by counting the number of the pressure sensors receiving the trigger signals in the first pressure sensor array and the receiving time of the trigger signals, the passenger fullness rate in the car can be determined at present according to the number of the elevator passengers and the number of the passengers in the car, and the passenger fullness rate can reflect the passenger loading condition of the personnel in the car.

The execution main body of the intelligent elevator control method provided by the embodiment is a main control device, and the main control device is connected with a car monitoring controller; the car monitoring controller is connected with the first pressure sensor array.

The master control device has various types, for example, a single chip microcomputer based on an ARM system.

Optionally, a specific implementation manner of the step 52 may be:

if the passenger fullness rate in the current car is larger than zero and smaller than a preset value, determining that the car is in a manned state, and not updating the state of each layer of keys in the car; if the passenger fullness rate in the current car is zero, determining that the car is in an unmanned state, and updating the pressed state in the states of the keys on each layer in the car into a non-pressed state; and if the fullness rate of the current elevator car is not less than the preset value, determining that people exist in the elevator car, and updating the pressed state in the key states of all elevator waiting halls into the non-pressed state.

The preset value can be set according to the load capacity of the elevator, for example, the preset value can be set to be in the range of 0.9 to 1, and preferably, the preset value can be set to be 0.95.

Accordingly, the specific implementation manner of the step 53 may be:

if the fullness rate in the current car is larger than zero and smaller than a preset value, determining that the car is in a manned state, not updating the state of each layer of keys in the car, and controlling the car to respond to the key states in each car and in a waiting hall at the moment; if the fullness rate in the current car is zero, determining that the car is in an unmanned state, updating the pressed state in the state of each layer of keys in the car to a non-pressed state, and controlling the car to only respond to the key state of the waiting hall at the moment; and if the fullness rate of the current elevator car is not less than the preset value, determining that people exist in the elevator car, updating the pressed state in the key states of the elevator waiting halls into the non-pressed state, and controlling the elevator car to only respond to the key state in the elevator car.

The method provided by the embodiment also comprises the step of determining the number of passengers in the elevator car. Specifically, with reference to fig. 6:

step 61, judging whether pressure sensors receiving the trigger signals exist in the pressure sensors in the neighborhood of the pressure sensors receiving the trigger signals, if not, executing step 62, and if so, executing step 63;

step 62, determining that the number of people in the elevator car is half of the number of pressure sensors receiving the trigger signals in the first pressure sensor array;

step 63, continuously judging whether the difference value of the receiving time of the trigger signals of a pair of pressure sensors which are adjacent to each other and receive the trigger signals is within a preset difference value range, if the difference value is not within the preset difference value range, executing step 62, and if the difference value is within the preset difference value range, executing step 64;

and step 64, counting the logarithm of the pressure sensors with the difference value within the preset value range, and determining that the number of people in the elevator car is half of the difference value between the number of the pressure sensors receiving the trigger signals in the counted first pressure sensor array and the logarithm.

In order to avoid a state where the presence or absence of a person in the car cannot be accurately detected by the first pressure sensor array, optionally, the method provided in this embodiment further includes: and receiving a monitoring result of the foreground target sent by the car monitoring controller, and updating the unmanned state in the car to be the manned state if the foreground target is determined to be in the car according to the monitoring result when the passenger fullness rate is zero. The monitoring result of the foreground target is determined by the image acquired by the first image acquisition device arranged at the top of the car in real time. Through setting up first image acquisition device, gather the image in the car in real time, adopt background subtraction method to confirm whether someone in the car.

Preferably, the information of the lobby also comprises the state of the existence of personnel in the lobby; correspondingly, referring to fig. 7, the intelligent elevator control method provided by the embodiment further includes:

step 71, receiving the current status of personnel in the elevator waiting hall sent by each elevator waiting hall monitoring controller,

step 72, updating control information of the elevator according to the state of the personnel in the current elevator waiting hall of each elevator waiting hall; the condition of the personnel in the elevator waiting hall is determined by whether a pressure sensor receiving the trigger signal exists in a second pressure sensor array arranged at the bottom of the elevator waiting hall.

In this step, if a pressure sensor receiving the trigger signal is detected in the second pressure sensor array, it is determined that the current elevator waiting hall is in a manned state, otherwise, the current elevator waiting hall is in an unmanned state.

If the current elevator waiting hall is in an unmanned state, updating the key state of the elevator waiting hall of the corresponding floor from a pressed state to a non-pressed state; and if the current elevator waiting hall is in a manned state, the key state of the elevator waiting hall of the corresponding floor is not updated. So, alright in order to avoid the people when giving up taking the elevator after pressing the room button of waiting for the elevator, because of some reasons, the elevator still can dispatch to the condition on this layer, has prolonged the life of elevator.

Preferably, the information of the elevator waiting hall further comprises the state of reservation or not; correspondingly, referring to fig. 8, the intelligent elevator control method provided in this embodiment further includes:

step 81, receiving the movement condition of the personnel in the elevator direction sent by the elevator waiting hall monitor;

and step 82, updating the control information of the elevator according to the situation of the personnel moving towards the elevator direction in each elevator waiting hall.

The movement condition of the personnel towards the elevator direction is obtained by detecting the images collected in real time by the second image collecting device arranged at the top of the elevator waiting hall.

The elevator waiting hall monitoring controller receives the images acquired by the second image acquisition device, detects the movement condition of people in the elevator direction by adopting a combined tracking algorithm of mean shift and Kalman filtering, modifies the non-reserved state into the reserved state if the people move in the elevator direction according to the movement condition of the people in the elevator direction when the elevator car is in the non-reserved state, and modifies the key state of the elevator waiting hall of the corresponding floor from the non-pressed state into the pressed state. Thus, elevator reservation is realized.

The following describes an intelligent elevator control system and method provided in the embodiments of the present application in more detail with reference to preferred embodiments of the above embodiments.

The intelligent elevator control system comprises a first pressure sensor array 6, a first image acquisition device 4 and a car monitoring controller 2 which are arranged at the bottom of a car, a second pressure sensor array 7, a second image acquisition device 5 and a waiting hall monitoring controller 3 which are arranged in a waiting hall, and a main control device 1 which is respectively connected with the car monitoring controller 2 and the waiting hall monitoring controller 3. The first pressure sensor array 6 and the second pressure sensor array 7 are both formed by film type pressure sensors with the distance of 20 cm, and the second pressure sensor array 7 is arranged at the bottom of a waiting hall close to an elevator door in 3 rows; the first image acquisition device 4 and the second image acquisition device 5 are both cameras.

In the scenario of the present embodiment, it is assumed that there are N floors, and the lobby monitoring controller 3, the second pressure sensor array 7, and the second image capturing device 5 are disposed in the lobby of each floor.

Based on the above structure, the specific flow of the intelligent elevator control method of the embodiment is as follows:

step one, the main control device 1 controls the operation of the elevator car according to the control information of the elevator. The control information of the elevator comprises information in the elevator car and information of each elevator waiting hall, the information in the elevator car comprises the state of each layer of keys in the elevator car, the state of the existence of personnel in the elevator car and the passenger fullness rate in the elevator car, and the information of the elevator waiting hall comprises the state of the keys of the elevator waiting hall, the state of the existence of personnel and the state of reservation.

Suppose that the information in the car is identified by N0, and the information of N elevator halls is respectively identified by N1, N2, …, Ni, … and Nn.

Each layer of keys in the car are respectively marked by K1, K2, K3, …, Ki … and Kn, wherein i is more than or equal to 1 and is less than or equal to n, and correspondingly, the state of each layer of keys in the car is that Ki is 1, which represents that the keys are pressed, and Ki is 0, which represents that the keys are not pressed.

The presence or absence of a person in the car is indicated by C, and when C is 1, the presence or absence is indicated by C0.

The occupancy rate is marked by R, and R is more than or equal to 0 and less than or equal to 1.

Therefore, the output signal format of the information in the car may be { K1, K2, K3, …, Kn, C, R }.

In the elevator waiting hall, the keys comprise an upward operation key U and a downward operation key D; u-1 indicates that the key is in a pressed state, and U-0 indicates that the key is in an un-pressed state; d-1 indicates that the key is in a pressed state, and D-0 indicates that the key is in an un-pressed state.

The presence or absence of the hall personnel is indicated by P, where P is 1, which indicates a presence state, and P is 0, which indicates an absence state.

The reservation-free state of the lobby is marked by W, W is 1 and represents a reservation-free state, and W is 0 and represents a reservation-free state.

Therefore, the output signal format of the information of the lobby can be { U, D, P, W }.

And step two, the car monitoring controller 2 counts the number of pressure sensors receiving the trigger signals in the first pressure sensor array and obtains the receiving time of the trigger signals, determines the number of elevator passengers in the car according to the counted number of the pressure sensors receiving the trigger signals in the first pressure sensor array 6 and the receiving time of the trigger signals, determines the passenger fullness rate in the current car according to the number of the elevator passengers and the number of the passengers in the car, and sends the passenger fullness rate to the main control device 1.

The above related embodiments can be referred to for a specific scheme for determining the number of people taking the elevator in the elevator car, and details are not repeated here.

Thirdly, the master control device 1 receives the passenger fullness rate sent by the cage monitoring controller 2, and if the passenger fullness rate in the current cage is larger than zero and smaller than a preset value, the state of a person in the cage is determined, and the state of each layer of keys in the cage is not updated; if the passenger fullness rate in the current car is zero, determining that the car is in an unmanned state, and updating the pressed state in the states of the keys on each layer in the car into a non-pressed state; and if the fullness rate of the current elevator car is not less than the preset value, determining that people exist in the elevator car, and updating the pressed state in the key states of all elevator waiting halls into the non-pressed state.

And step four, the car monitoring controller 2 monitors whether a foreground target exists in the car according to the image acquired by the first image acquisition device 4, and sends the monitoring result to the main control device 1.

And step five, the main control device 1 receives the monitoring result of the foreground target sent by the car monitoring controller 2, and when the passenger fullness rate is zero, if the foreground target in the car is determined according to the monitoring result, the unmanned state in the car is updated to be the manned state.

And step six, the elevator waiting hall monitoring controller 3 judges whether the personnel in the elevator waiting hall are in a state according to whether a pressure sensor receiving the trigger signal exists in the second pressure sensor array 7.

Seventhly, the main control device 1 updates the control information of the elevator according to the existence state of the personnel in the current elevator waiting hall of each elevator waiting hall, and if the current elevator waiting hall is in an unmanned state, the key state of the elevator waiting hall of the corresponding floor is updated from a pressed state to a non-pressed state; and if the current elevator waiting hall is in a manned state, the key state of the elevator waiting hall of the corresponding floor is not updated.

And step eight, the elevator waiting hall monitoring controller 3 detects the movement situation of the personnel in the elevator direction according to the images acquired by the second image acquisition device 5, and sends the movement situation of the personnel in the elevator direction to the main control device 1. When the elevator car is in an unmanned state, if the situation that people move towards the elevator is determined according to the movement situation of people towards the elevator, the state without reservation is modified into the state with reservation, and the state of the press key of the elevator waiting hall of the corresponding floor is modified from the state without press to the state with press.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.

It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. An intelligent elevator control system, comprising: the system comprises a main control device and a car information monitoring device; the car information monitoring device comprises a car monitoring controller and a first pressure sensor array which is arranged at the bottom of the car and consists of L pressure sensors;

the main control device is used for receiving the full rate of passengers in the current car sent by the car monitoring controller, and updating control information of the elevator in real time according to the full rate of passengers in the current car, wherein the control information of the elevator comprises information in the car and information of each elevator waiting hall, the information in the car comprises the state of each layer of keys in the car, the state of whether people exist in the car and the number of passengers in the car, and the information of the elevator waiting hall comprises the state of the keys in the elevator waiting hall; controlling the operation of the elevator car according to the control information of the elevator updated in real time;

when the passenger fullness rate in the current car is larger than zero and smaller than a preset value, determining that the car is in a manned state, and not updating the state of each layer of keys in the car; if the passenger fullness rate in the current car is zero, determining that the car is in an unmanned state, and updating the pressed state in the states of the keys on each layer in the car to be in a non-pressed state; if the fullness rate of the current elevator car is larger than or equal to the preset value, determining that people exist in the elevator car, and updating the pressed state in the key states of the elevator waiting halls into a non-pressed state; wherein the preset value is a numerical value between 0.9 and 1 determined according to the bearing capacity of the elevator;

the interval between each pressure sensor and the pressure sensor in the neighborhood is within the average foot length range acquired in advance; the neighborhood is a four neighborhood or an eight neighborhood; when the number of people taking the elevator in the elevator car is determined according to the counted number of the pressure sensors receiving the trigger signals in the first pressure sensor array and the receiving time of the trigger signals, the elevator car monitoring controller is specifically used for:

2. The intelligent elevator control system of claim 1, further comprising a first image capture device disposed on top of the car;

3. The intelligent elevator control system of claim 1, wherein the information of the lobby further comprises the information of the lobby

The presence or absence of personnel in the elevator waiting hall; the intelligent elevator control system further comprises: the elevator waiting hall monitoring control device is arranged on each floor; the elevator waiting hall monitoring and controlling device comprises an elevator waiting hall monitoring controller and a second pressure sensor array which is arranged at the bottom of the elevator waiting hall and consists of M pressure sensors;

the elevator waiting hall monitoring controller is used for detecting whether a pressure sensor receiving a trigger signal exists in the second pressure sensor array, determining whether the personnel in the elevator waiting hall exist or not at present according to the detection result and sending the personnel to the main control device; the main control device is also used for receiving whether the personnel in the current elevator waiting hall sent by each elevator waiting hall monitoring controller exists or not

And updating the control information of the elevator according to the state of the existence of the personnel in the current elevator waiting hall of each elevator waiting hall.

4. The intelligent elevator control system according to claim 3, wherein when determining whether there is a state of a person in the current elevator waiting hall according to the detection result, the elevator waiting hall monitoring controller is specifically configured to: if the pressure sensor receiving the trigger signal is detected in the second pressure sensor array, determining that the current elevator waiting hall is in a manned state, otherwise, determining that the elevator waiting hall is in an unmanned state; when the control information of the elevator is updated according to the current states of the persons in the elevator waiting halls, the main control device is specifically used for updating the states of the persons in the elevator waiting halls of the corresponding floors according to the current states of the persons in the elevator waiting halls; if the current elevator waiting hall is in an unmanned state, updating the key state of the elevator waiting hall of the corresponding floor from a pressed state to an un-pressed state; and if the current elevator waiting hall is in a manned state, the key state of the elevator waiting hall of the corresponding floor is not updated.

5. The intelligent elevator control system according to claim 4, wherein the information of the hall further includes a status of presence or absence of a reservation; the intelligent elevator control system also comprises a second image acquisition device arranged at the top of the elevator waiting hall;

the main control device is also used for receiving the personnel movement condition in the elevator direction sent by the elevator waiting hall monitor, and when the elevator car is in an unmanned state, if the personnel movement condition in the elevator direction determines that a person moves in the elevator direction, the state without reservation is modified into the state with reservation, and the key state of the elevator waiting hall of the corresponding floor is modified from the state without being pressed into the state with pressing.

6. An intelligent elevator control method, comprising:

updating the control information of the elevator in real time according to the passenger fullness rate in the current elevator car; the control information of the elevator comprises information in the elevator car and information of each elevator waiting hall, the information in the elevator car comprises the state of each layer of keys in the elevator car, the state of the existence of personnel in the elevator car and the fullness rate in the elevator car, and the information of the elevator waiting hall comprises the key state of the elevator waiting hall; when the passenger fullness rate in the current car is larger than zero and smaller than a preset value, determining that the car is in a manned state, and not updating the state of each layer of keys in the car; if the passenger fullness rate in the current car is zero, determining that the car is in an unmanned state, and updating the pressed state in the states of the keys on each layer in the car to be in a non-pressed state; if the fullness rate of the current elevator car is larger than or equal to the preset value, determining that people exist in the elevator car, and updating the pressed state in the key states of the elevator waiting halls into a non-pressed state, wherein the preset value is a numerical value between 0.9 and 1 determined according to the bearing capacity of the elevator;

controlling the operation of the elevator car according to the control information of the elevator updated in real time;

7. The method of claim 6, wherein the information of the lobby further comprises the presence or absence of personnel in the lobby;

the method further comprises the following steps:

receiving the state of the existence of the personnel in the current elevator waiting hall sent by each elevator waiting hall monitoring controller, and updating the control information of the elevator according to the state of the existence of the personnel in the current elevator waiting hall of each elevator waiting hall; the existence state of the personnel in the elevator waiting hall is determined by whether a pressure sensor receiving a trigger signal exists in a second pressure sensor array arranged at the bottom of the elevator waiting hall or not;

the information of the elevator waiting hall also comprises the state of reservation or not; the method further comprises the following steps: