CN108792854B - Elevator control system and method - Google Patents
Elevator control system and method Download PDFInfo
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- CN108792854B CN108792854B CN201810667089.5A CN201810667089A CN108792854B CN 108792854 B CN108792854 B CN 108792854B CN 201810667089 A CN201810667089 A CN 201810667089A CN 108792854 B CN108792854 B CN 108792854B
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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
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3423—Control system configuration, i.e. lay-out
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0012—Devices monitoring the users of the elevator system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
- B66B2201/20—Details of the evaluation method for the allocation of a call to an elevator car
- B66B2201/222—Taking into account the number of passengers present in the elevator car to be allocated
Abstract
The embodiment of the application provides an elevator control system and method, because a main control device can control the operation of a car according to 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 people in the car, the fullness rate in the car and the key states of a waiting hall, and because a first proximity switch array consisting of L proximity switches is arranged at the top of the car, a car monitoring controller can count the number of the proximity switches receiving a reflected signal and the total number of the proximity switches to determine the fullness rate in the current car, and the fullness rate can reflect the riding condition of people in the car, therefore, after the main control device obtains the fullness rate in the car, the control information of the elevator can be updated according to the fullness rate in the car, so that the control information is more accurate, the car operation is controlled according to the updated control information of the elevator, the invalid door opening and closing of the elevator are avoided, resources are saved, and the service life of the elevator is prolonged.
Description
Technical Field
The application relates to the technical field of elevator control, in particular to an 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 elevator control system and method.
The embodiment of the application provides an elevator control system on one hand, which comprises a main control device and a car information monitoring device, wherein the car information monitoring device comprises a car monitoring controller and a first proximity switch array, wherein the first proximity switch array is arranged on the top of a car and consists of L proximity switches;
the car monitoring controller is used for counting the number of the proximity switches receiving the reflected signals in the first proximity switch array, determining the passenger fullness rate in the current car according to the counted number of the proximity switches receiving the reflected signals and the total number of the proximity switches, and sending the passenger fullness rate to the main control device;
the master control device is used for receiving the full rate of the passenger in the current car that car monitoring controller sent to according to the full rate of the passenger in the current car, update in real time the control information of elevator, the control information of elevator contains the information in the car and the information of each hall of waiting, the information in the car contains the state of each layer button in the car the state that personnel have or not in the car, the full rate of the passenger in the car, the information of hall of waiting contains the button state of hall of waiting, control according to the control information of the elevator that updates in real time the operation of car.
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 not less than 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 the non-pressed state.
Preferably, the system 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 elevator control system further includes: 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 proximity switch array which is arranged at the top of the elevator waiting hall and consists of M proximity switches;
the elevator waiting hall monitoring controller is used for detecting whether a proximity switch receiving a reflected signal exists in the second proximity switch array, 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;
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 determine that the person is in the current elevator waiting hall if the proximity switch receiving the reflected signal is detected in the second proximity switch array, and otherwise, determine that the person is in the absence 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 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 elevator control method, including:
receiving a full passenger rate in the current car sent by a car monitoring controller, wherein the full passenger rate is obtained by counting the total number of the proximity switches of a first proximity switch array arranged at the top of the car and the number of the proximity switches receiving the reflected signals in the first proximity switch array;
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 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 proximity switch receiving the reflected signal exists in a second proximity switch array arranged at the top of the elevator waiting hall.
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.
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.
The technical scheme provided by the application can comprise the following beneficial effects:
in the 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 existence state of people in the elevator car and the full rate of passengers in the elevator car, and the information of the elevator waiting hall comprises the state of keys in the elevator waiting hall, and the first proximity switch array formed by L proximity switches is arranged on the top of the elevator car, and the elevator car monitoring controller in the elevator is respectively connected with the first proximity switch array and the main control device, so that the elevator car monitoring controller can count the number of the proximity switches receiving the reflected signals and the total number of the proximity switches to determine the full rate of passengers in the current elevator car, the full rate can reflect the carrying condition of the people in the elevator car, therefore, the main control device can update the control information of the elevator according to the full rate in the elevator car after obtaining the full rate in the elevator car, the control information of the elevator car, avoid invalid switching of the elevator door, and prolong the service life of the elevator.
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 elevator control system according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a first proximity switch array of an elevator control system according to an embodiment of the present application.
Fig. 3 is a schematic diagram of an arrangement in a car of an elevator control system according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a hall of an elevator control system according to an embodiment of the present application.
Fig. 5 is a flowchart illustrating an elevator control method according to an embodiment of the present application.
Fig. 6 is a schematic flow chart of an elevator control method according to another embodiment of the present application.
Fig. 7 is a flowchart illustrating an 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 proximity switch array-6 and a second proximity switch 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 elevator control systems and methods consistent with aspects of the present application as recited in the appended claims.
Fig. 1 is a schematic structural diagram of an elevator control system according to an embodiment of the present invention, and referring to fig. 1, the elevator control system according to some embodiments includes a main control device 1 and a car information monitoring device, the car information monitoring device includes a car monitoring controller 2 disposed on a top of a car and including a first proximity switch array 6 including L proximity switches, the car monitoring controller 2 is configured to count the number of proximity switches receiving a reflection signal in the first proximity switch array 6, determine a fullness in the car according to the counted number of proximity switches receiving the reflection signal and the total number of proximity switches, and transmit the fullness to the main control device 1, and the main control device 1 is configured to receive the fullness in the car transmitted from the car monitoring controller 2, and update control information of the elevator in real time according to the fullness in the car, the control information of the elevator includes information in the car and information of each hall, the information in the car includes states of keys in each layer of the car, states of persons in the car, the fullness in the car, the information of the elevator including information of the hall of the new hall of the elevator, and the control information of the elevator in real time according to the state of the hall of the elevator.
In the embodiment, the main control device 1 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 states of keys on each layer in the elevator car, the existence state of people 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 the first proximity switch array 6 consisting of L proximity switches is arranged at the top of the elevator car, and the elevator car monitoring controller 2 in the elevator is respectively connected with the first proximity switch array 6 and the main control device 1, so the elevator car monitoring controller 2 can count the number of the proximity switches receiving the reflected signals and the total number of the proximity switches to determine the current passenger fullness rate in the elevator car, and the passenger fullness rate can reflect the passenger riding condition in the elevator car, therefore, the control information of the elevator can be updated according to the passenger fullness rate in the elevator car after the passenger rate in the elevator car is obtained by the main control device 1, the control information of the elevator car is more accurate, the invalid switching of the elevator is avoided, and the service life of the elevator is prolonged.
Further, the master control apparatus 1 may be of various types, and for example, may be a single chip microcomputer based on A RISC Microprocessor (ARM).
Further, referring to fig. 2, in order to avoid interference between adjacent proximity switches, in the present embodiment, the L proximity switches in the first proximity switch array 6 include proximity switches of at least two band types, and the adjacent proximity switches in the L proximity switches have different band types.
Further, referring to fig. 3, in order to more accurately detect the passenger fullness rate in the car, the sensing distance of the proximity switch may be set in various ways, and may be specifically adjusted according to actual situations. Typically the height of the car is 2 metres and the height of a person that can ride an elevator alone is above 120 cm, and a proximity switch with a sensing distance of at least 80 cm may be selected for each person in the car to be detected. The distance between adjacent proximity switches can be set in various ways, the shoulder width of a human body is about 37 cm, the distance between adjacent proximity switches can be set to be less than 35 cm, so that the human body can be detected when two people are adjacent to each other, and in order to avoid the proximity switches from being too dense and influencing each other, preferably, the distance between adjacent proximity switches can be set to be 30 cm. In fig. 3, the dotted line indicates the transmission direction of the signal of the proximity switch, and the solid line indicates the signal direction of the proximity switch receiving the reflected signal.
Further, the proximity switch may be of various types, for example, an electro-optical proximity switch. The photoelectric approach switch is a device which installs a light-emitting device and a photoelectric device in the same detection head according to a certain direction, when a reflective surface (detected object) approaches, the photoelectric device outputs a signal after receiving the reflected light, and thus, the car monitoring controller 2 can count the number of the approach switches which receive the output reflected signal.
Specifically, when updating the control information of the elevator according to the passenger fullness rate in the current car, the main control device 1 is specifically configured to update the passenger fullness rate in the car in real time according to the passenger fullness rate 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 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.
The elevator control system in some embodiments 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.
Specifically, when the height of a person in the car cannot be detected by the first proximity switch array 6, or the person is between the proximity switches, or the proximity switches are in a fault, or the like, the car monitoring controller 2 cannot receive a reflection signal of the first proximity switch array 6, the first image acquisition device 4 is arranged to acquire an image in the car in real time, and a background subtraction method 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 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 3 and a second proximity switch array 7 which is arranged at the top of the elevator waiting hall and consists of M proximity switches; the elevator waiting hall monitoring controller 3 is used for detecting whether a proximity switch receiving the reflected signal exists in the second proximity switch 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, by arranging the second proximity switch array 7 on the top of the elevator waiting hall, the elevator waiting hall monitoring controller 3 can determine whether the personnel in the elevator waiting hall are in a presence state according to whether the second proximity switch array 7 has a proximity switch receiving the reflected signal, and if the second proximity switch array 7 has a proximity switch receiving the reflected signal, it is determined that the personnel in the elevator waiting hall are in a presence state, otherwise, the personnel are in an absence 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.
Further, in order to avoid mutual interference between adjacent proximity switches, in this embodiment, the M proximity switches in the second proximity switch array 7 include proximity switches of at least two band types; the adjacent proximity switches in the M proximity switches are different in band type.
Referring to fig. 4, in order to prevent the detection range of the second proximity switch array 7 from being too large or too small, in this embodiment, M proximity switches in the second proximity switch array 7 are arranged in 3 rows at the top of the elevator waiting hall close to the elevator door, and the selection of the proximity switches and the distance between adjacent proximity switches can be adjusted according to the selection and arrangement mode of the first proximity switch array 6. In fig. 4, the direction indicated by the dotted line is the traveling direction of the person in the lobby.
In some embodiments of the elevator control system, the information about the lobby further includes a status of whether an appointment is made; the 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.
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 flow chart of an elevator control method according to an embodiment of the present application. Referring to fig. 5, some embodiments provide an elevator control method comprising:
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 elevator control information comprises the states of keys on each layer in the elevator, the states of the persons in the elevator, the passenger fullness rate in the elevator and the information of the elevator waiting hall comprising the key states of the elevator waiting hall, and the first proximity switch array consisting of L proximity switches is arranged on the top of the elevator car, so that the current passenger fullness rate in the elevator car can be determined through counting the number of the proximity switches receiving the reflected signals and the total number of the proximity switches, the passenger fullness rate can reflect the passenger carrying condition of the persons in the elevator car, and therefore, the elevator control information can be updated in real time after the passenger fullness rate in the elevator car is obtained, the control information is more accurate, the elevator car is controlled to run according to the updated elevator control information, the invalid door opening and closing of the elevator is avoided, resources are saved, and the service life of the elevator is prolonged.
The execution main body of the 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 proximity switch 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.
In order to avoid a state that the presence or absence of a person in the car cannot be accurately detected by the first proximity switch array, optionally, the method provided by 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. 6, the elevator control method provided by the present embodiment further includes:
In this step, if a proximity switch receiving the reflected signal is detected in the second proximity switch 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. 7, the elevator control method provided by the present embodiment further includes:
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.
An elevator control system and method provided by the embodiments of the present application will be described in more detail below with reference to preferred embodiments of the above embodiments.
The elevator control system of the embodiment of the application comprises a first proximity switch array 6, a first image acquisition device 4 and a car monitoring controller 2 which are arranged at the top of a car, a second proximity switch 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 proximity switch array 6 and the second proximity switch array 7 are both composed of photoelectric proximity switches with the distance of 30 cm and the sensing distance of 80 cm, and the second proximity switch array 7 is arranged in 3 rows and is arranged at the top of a waiting hall close to an elevator door; the first image acquisition device 4 and the second image acquisition device 5 are both cameras.
In the scenario of this embodiment, it is assumed that there are N floors, and the lobby monitoring controller 3, the second proximity switch 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 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 receives and counts the number of the proximity switches receiving the reflected signals in the first proximity switch array 6 and the total number of the proximity switches to determine the passenger full rate in the current car and sends the passenger full rate to the main control device 1.
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 the second proximity switch array 7 has a proximity switch which receives the reflected signal.
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 (8)
1. The elevator control system is characterized by comprising a main control device and a car information monitoring device, wherein the car information monitoring device comprises a car monitoring controller and a first proximity switch array, wherein the first proximity switch array is arranged on the top of a car and consists of L proximity switches;
the car monitoring controller is used for counting the number of the proximity switches receiving the reflected signals in the first proximity switch array, determining the passenger fullness rate in the current car according to the counted number of the proximity switches receiving the reflected signals and the total number of the proximity switches, and sending the passenger fullness rate to the main control device;
the main control device is used for receiving the fullness rate in the current car sent by the car monitoring controller, updating the control information of the elevator in real time according to the fullness rate 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 personnel exist in the car and the fullness rate in the car, and the information of the elevator waiting hall comprises the state of the keys in the elevator waiting hall, and the operation of the car is controlled according to the control information of the elevator updated in real time;
the information of the elevator waiting hall also comprises the state of reservation or not; the 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 movement condition of the personnel in the elevator direction sent by the elevator waiting hall monitor, when the elevator car is in an unmanned state, if the personnel in the elevator direction move, the situation that the personnel move in the elevator direction is determined, the situation that the personnel do not move in the elevator direction is modified into the situation that the personnel do not move in the elevator direction, and the button state of the elevator waiting hall of the corresponding floor is modified from the non-pressed state into the pressed state.
2. The elevator control system according to claim 1, wherein when the control information of the elevator is updated according to the occupancy rate in the current car, the main control device is specifically configured to: updating the passenger fullness rate in the lift car in real time according to the passenger fullness rate in the current lift 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 in 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 the elevator waiting halls into the non-pressed state.
3. The elevator control system of claim 2, further comprising a first image capture device disposed 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.
4. The elevator control system of claim 2, wherein the information of the waiting hall further includes a status of presence or absence of a person in the waiting hall; the elevator control system further includes: 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 proximity switch array which is arranged at the top of the elevator waiting hall and consists of M proximity switches;
the elevator waiting hall monitoring controller is used for detecting whether a proximity switch receiving a reflected signal exists in the second proximity switch array, 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;
and the master control device is also used for receiving the state of whether personnel in the elevator waiting hall currently exist or not sent by each elevator waiting hall monitoring controller, and updating the control information of the elevator according to the state of whether personnel in the elevator waiting hall currently exist or not in each elevator waiting hall.
5. The elevator control system according to claim 4, wherein when determining the presence or absence of a person in the current waiting hall according to the detection result, the waiting hall monitoring controller is specifically configured to determine that the presence or absence of a person is present in the current waiting hall if a proximity switch that receives the reflected signal is detected in the second proximity switch array; when the control information of the elevator is updated according to the state of the personnel in the elevator waiting hall of each elevator waiting hall currently, 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 elevator waiting hall currently 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.
6. An elevator control method, comprising:
receiving the passenger fullness rate in the current car sent by the car monitoring controller; the passenger fullness rate is obtained through the total number of the proximity switches of the first proximity switch array arranged at the top of the car and the counted number of the proximity switches receiving the reflected signals in the first proximity switch array;
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 the elevator waiting hall comprises the key state of the elevator waiting hall;
controlling the operation of the elevator car according to the control information of the elevator updated in real time;
the information of the elevator waiting hall also comprises the 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.
7. The method of claim 6, wherein the information of the lobby further comprises the presence or absence of a person in the lobby;
the method further comprises the following steps:
receiving the state of whether personnel exist 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 whether personnel exist in the current elevator waiting hall of each elevator waiting hall; the presence or absence state of the person in the elevator waiting hall is determined by whether a proximity switch receiving the reflected signal exists in a second proximity switch array arranged at the top of the elevator waiting hall.
8. The method of claim 6, further comprising:
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.
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| JP2010058911A (en) * | 2008-09-04 | 2010-03-18 | Toshiba Elevator Co Ltd | Loading object detection device for elevator |
| CN102821272B (en) * | 2012-08-16 | 2015-03-04 | 安徽中科智能高技术有限责任公司 | Video monitoring system with elevator invalid request signal removing function |
| US10588545B2 (en) * | 2014-11-24 | 2020-03-17 | Tarkett Gdl | Monitoring system with pressure sensor in floor covering |
| CN106553941B (en) * | 2015-09-30 | 2019-07-05 | 腾讯科技（深圳）有限公司 | A kind of intelligent elevator group control method and system |
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