CN105016189A - Elevator car intelligent energy saving control method based on body recognition - Google Patents

Abstract

An intelligent energy-saving control method for an elevator car based on human body recognition disclosed by the present invention comprises the following steps: (1) power-on door opening step; (2) car door closing step; (3) operation determination step; (4) elevator car door opening step; Car normal operation step; (5) arrival door opening step; (6) first abnormal alarm step; (7) human body detection step; (8) first timing step; (9) closing electrical equipment step in the elevator car; (10) elevator car outage step; (11) second timing step, (12) voice prompt step; (13) second abnormal alarm step. The present invention has the following characteristics: 1. Based on human body detection technology, the elevator system can accurately understand the situation of passengers in the car. 2. Intelligent energy saving, providing a more accurate judgment for the elevator and improving the energy saving effect. 3. Automatic alarm to understand the elevator operation failure (electrical equipment failure in the car) at the first time, and strengthen the safety protection of passengers.

Description

Intelligent energy-saving control method for elevator car based on human body recognition

technical field

The invention relates to the technical field of elevators, in particular to an intelligent energy-saving control method for elevator cars based on human body recognition.

Background technique

With the increase of urbanization rate and economic development, there are more and more high-rise buildings. As an important means of transportation in buildings, elevators have been widely used in people's lives. It works around the clock to send users to their designated floors. The frequency of user use varies greatly and is uncertain at different time periods. When users use it, lighting and ventilation in the elevator car are essential. With the development of the economy, human beings' demand for energy is also increasing, and the energy supply is becoming more and more tense. Energy conservation and emission reduction have become popular among the people. Governments of various countries have introduced many measures to develop energy conservation and emission reduction technologies. With the improvement of people's living standards, people's performance requirements for elevators are getting higher and higher, and the scientific and technological functions of elevators are becoming more and more important. Elevators are developing in the direction of humanization, energy saving, and intelligence. However, the current lighting and ventilation system in the elevator works around the clock. Even if no one is using it late at night, the lighting and ventilation fans in the car will continue to work. This will not only waste energy, but also shorten the use time of lighting and ventilation settings. Therefore, An intelligent, humanized and energy-saving car energy-saving system is needed.

For this reason, a kind of elevator car energy-saving operation control system disclosed in Chinese Patent Publication No. CN102556779 includes: a main control unit and an infrared sensing module connected thereto, a car door sensing module, an LED lighting module, a fan control module, An LED emergency light lighting module, a battery, and a charging module for charging the battery. The LED lighting module, the fan control module, the LED emergency light lighting module, and the battery charging module are connected to and controlled by the main control unit; the infrared sensing module is connected to the main control unit and provides sensing signals; The above-mentioned car door sensing module is connected with the main control unit and provides it with the car door switch state. When the infrared sensing module senses that someone enters the elevator car, the main control unit turns on the LED lighting and starts the fan for air exchange. When all people leave the car, the main control unit turns off the lighting and fan in the car, thereby effectively realizing energy saving .

The elevator car power supply device disclosed in Chinese Patent Publication No. CN103043512 includes a power generation unit that is fixed on the elevator car and uses the lifting motion of the car to generate electricity, and is fixed on the elevator car to output electric energy to the power generation unit. process and provide it to the electric energy processing unit of the electric device for the elevator car, the power generation unit utilizes the lifting motion of the car to generate electricity, and the generated electric energy is provided to the elevator car after being processed by the electric energy processing unit The electric device for the car. The patent application does not need to ensure the distance between the power supply line and the power receiving device, and the installation complexity and precision requirements are low. The number of device components and the cost do not increase with the height of the building or the number of landings. Provide power to the car and use the regenerative energy of the elevator motor to supply power to the car so as to realize the energy saving of the elevator.

Chinese Patent Publication No. CN103159095 discloses an energy-saving method for elevator car control equipment, comprising: installing a multimedia playback device, a passenger detection device, a multimedia control unit, and a car call registration unit in the elevator car, the multimedia playback device and the passenger The detection devices are respectively electrically connected to the multimedia control unit, and the car call registration unit is electrically connected to the passenger detection device; when the passenger detection device detects that there are passengers in the elevator car, the multimedia control The unit controls the multimedia playing device to turn on; when the passenger detection device detects that there are no passengers in the elevator car, the multimedia control unit controls the multimedia playing device to turn off. The energy-saving method for elevator car operating equipment of the present invention monitors whether there are passengers in the elevator car through the passenger detection device, and if there are no passengers, the multimedia control unit closes the multimedia playback device, thereby avoiding a waste of electric energy Necessary to waste.

Chinese Patent Publication No. CN103231946 discloses an elevator car lighting, fan, and air-conditioning energy-saving control method and system. The system includes a power supply, a temperature sensor, a weighing device, a signal amplification and AD conversion circuit, a clock chip, and a microcontroller. Memory for recording self-learning parameters and setting parameters, thyristor, buttons for setting menus and function codes, LED digital tubes for displaying menus and function codes, air conditioning and lighting control circuits; The lighting, fan and air conditioner in the car are intelligently controlled, making the ride more comfortable and the energy saving effect better.

The control method of the elevator car power supply device disclosed in Chinese Patent Publication No. CN104528504 includes the following steps: the state detection device detects the energy storage status of the energy storage device, and transmits the energy storage status of the energy storage device and its command value to the first power supply conversion controller; the first power conversion controller performs closed-loop control on the energy storage status of the energy storage device according to the energy storage status of the energy storage device output by the state detection device and its instruction value; determines whether the elevator The working state of the motor. The invention does not need to ensure the distance between the power supply line and the power receiving device, and the installation complexity and accuracy requirements are low. The number of device components and the cost do not increase with the height of the building or the number of landings. The car is powered, and the regenerative energy of the elevator motor is used to supply power to the car so as to realize the energy saving of the elevator.

But all there is following shortcoming in above-mentioned prior art:

1. The existing energy-saving method has low efficiency. It is prone to abnormal events where people are in the car and the equipment is turned off.

2. It is impossible to detect the situation of passengers, and if there is an accident, it is impossible to call the police in time.

Contents of the invention

The technical problem to be solved by the present invention is to provide an intelligent energy-saving control method for the elevator car based on human body recognition in view of the existing problems in the energy-saving control in the elevator car.

The technical problem to be solved by the present invention can be realized by the following technical solutions:

An elevator car intelligent energy-saving control method based on human body recognition, comprising the following steps:

(1) Power on and open the door;

(2) the step of closing the car door;

(3) Operation judging step, in this operation judging step, judge the running state of the elevator, if the elevator car is in the running state, then enter the following step (4), if the elevator cannot run, then judge whether the elevator is running normally, if If the elevator runs abnormally, then notify the elevator control device to stop the elevator operation and enter the following steps (6), if the elevator is in the normal arrival state, enter the following steps (7);

(4) Elevator car normal operation step, in this elevator car normal operation step, the elevator car normally runs to the called station, and enters the following steps (5) after arriving at the station;

(5) The step of opening the door at the arrival station, in the step of opening the door at the arrival station, the elevator car door is normally opened at the arrival station, and the passenger returns to the above step (2) after entering and exiting;

(6) The first abnormal alarm step, in the first abnormal alarm step, first detect whether there is anyone in the elevator car and alarm various faults in the elevator operation and notify the maintenance personnel to carry out maintenance, and report to the elevator at the same time whether there are people trapped;

(7) Human body detection step, in this human body detection step, use the human body detection equipment that is configured in the elevator car to detect the passenger state in the elevator car and send the detection signal to the MCU internal control unit of the elevator control equipment, The MCU internal control unit can determine whether there are passengers in the elevator car after receiving the detection signal of the human body detection device; if the MCU internal control unit determines that there is no passenger in the elevator car, enter the following step (8); if the MCU internal control unit determines When there are passengers in the elevator car, the continuous power supply to the electrical equipment in the elevator car enters the following steps (11);

(8) the first timing step, in this first timing step, the internal timer of the MCU internal control unit is used to time the time when the MCU internal control unit judges that there is no passenger in the elevator car, if the time arrives, enter the following steps ( 9);

(9) close the step of electric equipment in the elevator car, in the step of closing the electric equipment in the elevator car, the MCU internal control unit outputs the energy-saving signal and closes the electric equipment in the elevator car and enters the following steps (10) simultaneously;

(10) elevator car outage step, in the elevator car outage step, the MCU internal control unit controls the elevator car outage;

(11) The second timing step, in the second timing step, the internal timer of the MCU internal control unit counts the time when the MCU internal control unit determines that there are passengers in the elevator car, if within the preset time If the passenger in the elevator car calls the elevator to run through the call button in the elevator car or the passenger outside the hall calls the elevator to run through the hall call button, the MCU internal control unit sends the elevator to continue running and enters the above step (4) If the MCU internal control unit does not send the elevator to continue running instruction, then enter the following step (12); if the passenger in the elevator car does not call the elevator by the call button in the elevator car to run or If there is no passenger outside the hall to call the elevator through the hall call button, enter the following step (13);

(12) voice prompting step, in this voice prompting step, the passenger is appeased by voice prompter voice, and rescue information is sent, and rescue personnel are notified to carry out rescue and maintenance personnel to carry out maintenance;

(13) The second abnormality alarming step, in the second abnormality alarming step, alarm and notify rescuers to rescue and maintenance personnel to perform maintenance.

In a preferred embodiment of the present invention, the human detection device is a contact detector or a non-contact detector.

Due to adopting the above technical scheme, the present invention has the following characteristics compared with the prior art:

1. Based on human body detection technology, the elevator system can accurately understand the situation of passengers in the car.

2. Intelligent energy saving, providing a more accurate judgment for the elevator and improving the energy saving effect.

3. Automatic alarm to understand the elevator operation failure (electrical equipment failure in the car) at the first time, and strengthen the safety protection of passengers.

Description of drawings

FIG. 1 is a schematic flow chart of an intelligent energy-saving control method for an elevator car based on human body recognition in the present invention.

Detailed ways

Referring to Figure 1, the intelligent energy-saving control method for elevator cars based on human body recognition shown in the figure includes the following steps:

(1) Step 100 of powering on and opening the door;

(2) step 200 of closing the car door;

(3) Operation judging step 300, in this operation judging step 300, the elevator running state is judged, if the elevator car is in the running state, then enter the following step (4), if the elevator cannot run, then judge whether the elevator running is normal , if the elevator runs abnormally, then notify the elevator control device to stop the elevator operation and enter the following step (6), if the elevator is in the normal arrival state, enter the following step (7);

(4) Elevator car normal operation step 400, in this elevator car normal operation step 400, the elevator car normally travels to the called station, and enters the following steps (5) after arriving at the station;

(5) door opening step 500 at the station, in the door opening step 500 at the station, the elevator car door is normally opened at the station, and the passenger returns to the above step (2) after entering and exiting;

(6) The first abnormal alarm step 600, in the first abnormal alarm step 600, first detect whether there is anyone in the elevator car and alarm various faults in the elevator operation and notify the maintenance personnel to carry out maintenance, and report simultaneously Whether there are people trapped in the elevator;

(7) Human body detection step 700, in this human body detection step 700, use the human body detection equipment that is configured in the elevator car to detect the passenger state in the elevator car and send the detection signal to the MCU internal control unit of the elevator control device Among them, the MCU internal control unit can determine whether there are passengers in the elevator car after receiving the detection signal of the human body detection device; if the MCU internal control unit determines that there are no passengers in the elevator car, enter the following step (8); if the MCU internal control When the unit judges that there are passengers in the elevator car, it continuously supplies power to the electrical equipment in the elevator car and enters the following steps (11); the human body detection equipment is a contact detector or a non-contact detector, such as an infrared detector, a pressure detector or microwave detectors.

(8) The first timing step 800, in this first timing step 800, the internal timer of the MCU internal control unit is used to time the time when the MCU internal control unit determines that there is no passenger in the elevator car, if the time arrives as follows step (9);

(9) Turn off the electrical equipment step 900 in the elevator car. In the step 900 of closing the electrical equipment in the elevator car, the MCU internal control unit outputs an energy-saving signal to close the electrical equipment in the elevator car and enter the following steps (10) ;

(10) Elevator car outage step 1000. In the elevator car outage step 1000, the MCU internal control unit controls the elevator car outage. After the elevator car outage, if someone calls the elevator, the above-mentioned step 1);

(11) The second timing step 1100, in this second timing step 1100, the internal timer of the MCU internal control unit counts the time when the MCU internal control unit judges that there are passengers in the elevator car, if it is within the preset If the passengers in the elevator car call the elevator to run through the call button in the elevator car or the passengers outside the hall call the elevator to run through the hall call button, the MCU internal control unit sends the elevator to continue running and enters the above steps ( 4), if the MCU internal control unit does not send the elevator to continue running instruction, then enter the following step (12); if the passenger in the elevator car does not call the elevator by the call button in the elevator car within the preset time If there is no passenger outside the hall to call the elevator through the hall call button, enter the following step (13);

(12) Voice prompting step 1200, in this voice prompting step 1200, comfort the passenger and send rescue information through voice prompter voice, notify rescuers to rescue and maintenance personnel to carry out maintenance;

(13) The second abnormal alarm step 1300, in the second abnormal alarm step 1300, alarm and notify rescuers to rescue and maintenance personnel to perform maintenance.

Claims (2)

1. an elevator car intelligent energy-saving control method based on human body recognition, is characterized in that, comprises the steps: (1) Steps to power on and open the door; (2) The step of closing the car door; (3) Operation judgment step. In this operation judgment step, the running state of the elevator is judged. If the elevator car is in the running state, it will enter the following step (4). If the elevator cannot run, it will be judged whether the elevator is running normally. If If the elevator is running abnormally, notify the elevator control equipment to stop the elevator and proceed to the following step (6); if the elevator is in the normal arrival state, proceed to the following step (7); (4) The normal operation step of the elevator car. In the normal operation step of the elevator car, the elevator car normally runs to the called station, and enters the following step (5) after arriving at the station; (5) The step of opening the door at the arrival station. In the step of opening the door at the arrival station, the elevator car door is normally opened at the arrival station, and returns to the above step (2) after the passenger enters and exits; (6) The first abnormal alarm step. In the first abnormal alarm step, firstly, it detects whether there is anyone in the elevator car and alarms all kinds of faults in the elevator operation, and notifies the maintenance personnel to carry out maintenance. At the same time, it reports to the elevator. whether there are people trapped; (7) The human body detection step, in which the human body detection device configured in the elevator car is used to detect the state of the passengers in the elevator car and send the detection signal to the MCU internal control unit of the elevator control device, The MCU internal control unit can determine whether there are passengers in the elevator car after receiving the detection signal from the human body detection equipment; if the MCU internal control unit determines that there are no passengers in the elevator car, enter the following step (8); if the MCU internal control unit determines When there are passengers in the elevator car, continuously supply power to the electrical equipment in the elevator car and enter the following steps (11); (8) The first timing step. In the first timing step, the internal timer of the MCU internal control unit is used to time the time when the MCU internal control unit determines that there are no passengers in the elevator car. If the time is up, enter the following steps ( 9); (9) The step of turning off the electrical equipment in the elevator car. In the step of turning off the electrical equipment in the elevator car, the MCU internal control unit outputs an energy-saving signal to turn off the electrical equipment in the elevator car and simultaneously enters the following step (10); (10) The elevator car outage step, in the elevator car outage step, the MCU internal control unit controls the elevator car outage; (11) The second timing step. In the second timing step, the internal timer of the MCU internal control unit counts the time when the MCU internal control unit determines that there are passengers in the elevator car. If it is within the preset time If a passenger in the elevator car calls the elevator to run through the call button in the elevator car or a passenger outside the hall calls the elevator to run through the hall call button, the MCU internal control unit sends the elevator to continue running and enters the above step (4) , if the internal control unit of the MCU does not issue an elevator continuation command, enter the following step (12); if the passenger in the elevator car does not call the elevator to run through the call button in the elevator car within the preset time or If there is no passenger outside the hall to call the elevator through the hall call button, proceed to the following step (13), (12) Voice prompting step. In this voice prompting step, the voice prompter is used to appease passengers and send out rescue information to notify rescuers to carry out rescue and maintenance personnel to carry out maintenance; (13) The second abnormality alarming step, in the second abnormality alarming step, alarm and notify rescuers to rescue and maintenance personnel to perform maintenance. 2. The intelligent energy-saving control method for an elevator car based on human body recognition according to claim 1, wherein the human body detection device is a contact detector or a non-contact detector.