CN111056394B - Digital car vibration detection system and method thereof - Google Patents
Digital car vibration detection system and method thereof Download PDFInfo
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- CN111056394B CN111056394B CN201911348056.5A CN201911348056A CN111056394B CN 111056394 B CN111056394 B CN 111056394B CN 201911348056 A CN201911348056 A CN 201911348056A CN 111056394 B CN111056394 B CN 111056394B
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- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title description 5
- 230000033001 locomotion Effects 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims description 25
- 238000005259 measurement Methods 0.000 claims description 9
- 230000001133 acceleration Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000011112 process operation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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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
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3446—Data transmission or communication within the control system
- B66B1/3461—Data transmission or communication within the control system between the elevator control system and remote or mobile stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0025—Devices monitoring the operating condition of the elevator system for maintenance or repair
-
- 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
- B66B5/0037—Performance analysers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention provides a digital car vibration detection system, which is a detection system for detecting the running quality of an elevator car, wherein the detection system detects the movement posture of the elevator car by a posture sensing module arranged at the elevator car; a singlechip is also arranged at the position of the lift car; the singlechip acquires running gesture data of the car through a gesture sensor in a gesture sensing module; the singlechip also generates comparison data according to the operation gesture data, and if the difference value between the operation gesture data and the comparison data exceeds a threshold value when the elevator car operates, the elevator car operation quality is judged to be deteriorated; according to the invention, the gesture of the elevator can be detected in an automatic mode, and meanwhile, a database which can be compared is formed by the detection data, so that the load of the overhaul operation of the elevator is reduced.
Description
Technical Field
The invention relates to the technical field of elevators, in particular to a digital car vibration detection system and a method thereof.
Background
The elevator is a long-time used transportation means in a building, and because the elevator usually works under a large load and is frequently started and stopped, the maintenance operation of the elevator is quite complicated, and how to automatically self-check the elevator to relieve the maintenance pressure of the elevator is a research direction.
Disclosure of Invention
The invention provides a digital car vibration detection system and a digital car vibration detection method, which can detect the posture of an elevator in an automatic mode and form a database for comparison by detection data, thereby reducing the load of elevator maintenance operation.
The invention adopts the following technical scheme.
The digital car vibration detection system is used for detecting the running quality of the elevator car, and the detection system detects the movement gesture of the elevator car by a gesture sensing module arranged at the elevator car; a singlechip is also arranged at the position of the lift car; the singlechip acquires running gesture data of the car through a gesture sensor in a gesture sensing module; and the singlechip also generates comparison data according to the operation gesture data, and judges that the operation quality of the elevator car is deteriorated if the difference value between the operation gesture data and the comparison data exceeds a threshold value when the elevator car operates.
The singlechip takes each elevator layer station as a starting point or an ending point respectively to form different starting point and ending point combined marks.
When the singlechip generates comparison data, the elevator car firstly runs in a no-load mode according to the starting point layer station and the ending point layer station corresponding to each starting point and ending point combination identifier, if the elevator car runs normally, the running gesture data in the running process is recorded as comparison data, and the starting point and ending point combination identifier and the generation time corresponding to the comparison data are recorded when the elevator car is stored.
The running gesture data and the comparison data comprise angular velocity values, acceleration values and magnetic data when the car runs.
If the singlechip judges that the running quality of the elevator car is deteriorated, the singlechip sends alarm information to the management mechanism, and meanwhile, the gesture data of the running elevator car is uploaded to the management mechanism;
If the difference value between the running gesture data and the comparison data is within the threshold value range during the running of the lift car, the singlechip stores the running gesture data of the running as historical running data.
When the gesture sensor detects the motion gesture of the car, the gesture sensor measures the motion gesture of the car through a sensor data algorithm based on quaternion, and outputs zero-drift three-dimensional running gesture data in real time, wherein the expression mode of the running gesture data comprises quaternion and Euler angle.
The gesture sensing module is a high-performance three-dimensional motion gesture measuring module of MEMS technology; the gesture sensing module comprises a low-power-consumption ARM processor, a three-axis gyroscope, a three-axis accelerometer and a three-axis electronic compass.
When the gesture sensor detects the movement gesture of the car, the ARM processor calibrates the measurement data of the three-axis gyroscope, the three-axis accelerometer and the three-axis electronic compass and outputs the calibrated measurement data to the singlechip.
The singlechip is connected with the large-capacity memory to store operation posture data and comparison data; the singlechip is connected with the wireless transmission module and the USB communication module to acquire measurement data of the gesture sensing module; the car is also provided with a satellite communication module connected with the singlechip.
The detection method comprises a computer and a sensing component with a wireless communication interface, wherein if the singlechip judges that the running quality of the elevator car is deteriorated, the singlechip sends alarm information to a management mechanism, and the management mechanism further detects the elevator by the computer after receiving the alarm information;
the computer is provided with measurement software, and when the elevator is further detected, the computer is connected with a singlechip of the detection system through a wireless communication interface of the sensing component;
the computer can read the operation posture data and comparison data stored by the singlechip through the wireless communication interface, and the measurement software can display the operation posture data and the comparison data on a display screen of the computer in a digital waveform mode;
the computer stores elevator design parameters, after the computer reads elevator operation gesture data stored by the singlechip, the measurement software is combined with the elevator design parameters to further detect whether the current operation parameters of the elevator are degraded, and the current operation parameters comprise car leveling position, car operation speed, car acceleration, car vibration, car traction and car kinetic energy;
when the sensing component is connected with the computer, the measuring software can automatically identify the communication port of the sensing component and automatically identify the communication protocol calibrated by the sensing component; the communication protocol of the sensing component can be selected from RS-485 serial bus standard.
The invention can automatically collect data and form a database bound with the elevator when the elevator runs, thereby being capable of evaluating the health degree of the elevator running according to the posture data of the elevator and automatically sending an alarm to a management mechanism in a remote way.
Drawings
The invention is described in further detail below with reference to the attached drawings and detailed description:
Fig. 1 is a schematic flow chart of the present invention.
Detailed Description
As shown in fig. 1, the digital car vibration detection system is a detection system for detecting the running quality detection of an elevator car, and the detection system detects the movement gesture of the elevator car by a gesture sensing module arranged at the elevator car; a singlechip is also arranged at the position of the lift car; the singlechip acquires running gesture data of the car through a gesture sensor in a gesture sensing module; and the singlechip also generates comparison data according to the operation gesture data, and judges that the operation quality of the elevator car is deteriorated if the difference value between the operation gesture data and the comparison data exceeds a threshold value when the elevator car operates.
The singlechip takes each elevator layer station as a starting point or an ending point respectively to form different starting point and ending point combined marks.
When the singlechip generates comparison data, the elevator car firstly runs in a no-load mode according to the starting point layer station and the ending point layer station corresponding to each starting point and ending point combination identifier, if the elevator car runs normally, the running gesture data in the running process is recorded as comparison data, and the starting point and ending point combination identifier and the generation time corresponding to the comparison data are recorded when the elevator car is stored.
The running gesture data and the comparison data comprise angular velocity values, acceleration values and magnetic data when the car runs.
If the singlechip judges that the running quality of the elevator car is deteriorated, the singlechip sends alarm information to the management mechanism, and meanwhile, the gesture data of the running elevator car is uploaded to the management mechanism;
If the difference value between the running gesture data and the comparison data is within the threshold value range during the running of the lift car, the singlechip stores the running gesture data of the running as historical running data.
When the gesture sensor detects the motion gesture of the car, the gesture sensor measures the motion gesture of the car through a sensor data algorithm based on quaternion, and outputs zero-drift three-dimensional running gesture data in real time, wherein the expression mode of the running gesture data comprises quaternion and Euler angle.
The gesture sensing module is a high-performance three-dimensional motion gesture measuring module of MEMS technology; the gesture sensing module comprises a low-power-consumption ARM processor, a three-axis gyroscope, a three-axis accelerometer and a three-axis electronic compass.
When the gesture sensor detects the movement gesture of the car, the ARM processor calibrates the measurement data of the three-axis gyroscope, the three-axis accelerometer and the three-axis electronic compass and outputs the calibrated measurement data to the singlechip.
The singlechip is connected with the large-capacity memory to store operation posture data and comparison data; the singlechip is connected with the wireless transmission module and the USB communication module to acquire measurement data of the gesture sensing module; the car is also provided with a satellite communication module connected with the singlechip.
The detection method comprises a computer and a sensing component with a wireless communication interface, wherein if the singlechip judges that the running quality of the elevator car is deteriorated, the singlechip sends alarm information to a management mechanism, and the management mechanism further detects the elevator by the computer after receiving the alarm information;
the computer is provided with measurement software, and when the elevator is further detected, the computer is connected with a singlechip of the detection system through a wireless communication interface of the sensing component;
the computer can read the operation posture data and comparison data stored by the singlechip through the wireless communication interface, and the measurement software can display the operation posture data and the comparison data on a display screen of the computer in a digital waveform mode;
the computer stores elevator design parameters, after the computer reads elevator operation gesture data stored by the singlechip, the measurement software is combined with the elevator design parameters to further detect whether the current operation parameters of the elevator are degraded, and the current operation parameters comprise car leveling position, car operation speed, car acceleration, car vibration, car traction and car kinetic energy;
when the sensing component is connected with the computer, the measuring software can automatically identify the communication port of the sensing component and automatically identify the communication protocol calibrated by the sensing component; the communication protocol of the sensing component can be selected from RS-485 serial bus standard.
Examples:
before the elevator is formally operated, each elevator landing is used as a starting point or an ending point, and possible starting and stopping sections of the elevator during operation are operated once to form comparison data and store the comparison data into the singlechip.
After the elevator is started, in each start-stop operation, the singlechip detects the operation gesture of the elevator car by using a gesture sensor at the elevator car, compares detection data with comparison data, judges that the operation quality of the elevator car is deteriorated if a phase difference value exceeds a threshold range, gives an alarm to a management mechanism, and uploads the detection data to the management mechanism at the same time, and stores the detection data as historical operation data if the phase difference value does not exceed the threshold range.
When the management mechanism receives the elevator operation alarm of the singlechip, the computer of the management mechanism remotely calls the historical operation data of the elevator car stored in the singlechip to analyze.
In this example, the computer of the management mechanism can be a notebook computer, and is connected with the satellite communication module of the elevator car through a satellite, so as to remotely read the single chip microcomputer data of the elevator car.
In this example, the gesture sensing module further includes a vibration sensor to directly obtain the vibration frequency of the car during operation, and the singlechip also records the vibration frequency as a part of the car operation gesture data.
In the example, the system can carry out the car self-checking operation in a preset time period, and in the car self-checking operation, the elevator car autonomously completes one complete whole process operation, and related data is recorded by the singlechip so as to check the elevator operation quality.
Claims (4)
1. The digital car vibration detection system is used for detecting the running quality detection of the elevator car, and is characterized in that: the detection system detects the movement posture of the car by a posture sensing module arranged at the car; a singlechip is also arranged at the position of the lift car; the singlechip acquires running gesture data of the car through a gesture sensor in a gesture sensing module; the singlechip also generates comparison data according to the operation gesture data, and if the difference value between the operation gesture data and the comparison data exceeds a threshold value when the elevator car operates, the elevator car operation quality is judged to be deteriorated;
the singlechip takes each elevator landing as a starting point or an ending point respectively to form different starting point and ending point combined marks;
When the singlechip generates comparison data, firstly, carrying out no-load operation on a starting point layer station and a terminal layer station corresponding to each starting point and terminal point combination identifier of the car, if the operation is normal, recording the operation gesture data in the operation as comparison data, and recording the starting point and terminal point combination identifier and the generation time corresponding to the comparison data when the comparison data are stored;
if the singlechip judges that the running quality of the elevator car is deteriorated, the singlechip sends alarm information to the management mechanism, and meanwhile, the gesture data of the running elevator car is uploaded to the management mechanism;
if the difference value between the running gesture data and the comparison data of the car running is within a threshold range, the singlechip stores the running gesture data of the running as historical running data;
When the gesture sensor detects the motion gesture of the car, the gesture sensor measures the motion gesture of the car through a sensor data algorithm based on quaternion, and outputs zero-drift three-dimensional running gesture data in real time, wherein the expression mode of the running gesture data comprises quaternion and Euler angle;
When the gesture sensor detects the motion gesture of the car, the ARM processor calibrates the measurement data of the three-axis gyroscope, the three-axis accelerometer and the three-axis electronic compass, and outputs the calibrated measurement data to the singlechip;
the detection method comprises a computer and a sensing component with a wireless communication interface, wherein if the singlechip judges that the running quality of the elevator car is deteriorated, the singlechip sends alarm information to a management mechanism, and the management mechanism further detects the elevator by the computer after receiving the alarm information;
the computer is provided with measurement software, and when the elevator is further detected, the computer is connected with a singlechip of the detection system through a wireless communication interface of the sensing component;
the computer can read the operation posture data and comparison data stored by the singlechip through the wireless communication interface, and the measurement software can display the operation posture data and the comparison data on a display screen of the computer in a digital waveform mode;
the computer stores elevator design parameters, after the computer reads elevator operation gesture data stored by the singlechip, the measurement software is combined with the elevator design parameters to further detect whether the current operation parameters of the elevator are degraded, and the current operation parameters comprise car leveling position, car operation speed, car acceleration, car vibration, car traction and car kinetic energy;
when the sensing component is connected with the computer, the measuring software can automatically identify the communication port of the sensing component and automatically identify the communication protocol calibrated by the sensing component; the communication protocol of the sensing component can be selected from RS-485 serial bus standard.
2. The digitized car vibration detection method of claim 1, wherein: the running gesture data and the comparison data comprise angular velocity values, acceleration values and magnetic data when the car runs.
3. The digitized car vibration detection method of claim 2, wherein: the gesture sensing module is a high-performance three-dimensional motion gesture measuring module of MEMS technology; the gesture sensing module comprises a low-power-consumption ARM processor, a three-axis gyroscope, a three-axis accelerometer and a three-axis electronic compass.
4. The digitized car vibration detection method of claim 1, wherein: the singlechip is connected with the large-capacity memory to store operation posture data and comparison data; the singlechip is connected with the wireless transmission module and the USB communication module to acquire measurement data of the gesture sensing module; the car is also provided with a satellite communication module connected with the singlechip.
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| CN201911348056.5A CN111056394B (en) | 2019-12-24 | 2019-12-24 | Digital car vibration detection system and method thereof |
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| CN201911348056.5A CN111056394B (en) | 2019-12-24 | 2019-12-24 | Digital car vibration detection system and method thereof |
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| CN211687824U (en) * | 2019-12-24 | 2020-10-16 | 福建快科城建增设电梯股份有限公司 | Micro mechanical displacement detector |
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| JP2006264853A (en) * | 2005-03-23 | 2006-10-05 | Toshiba Elevator Co Ltd | Operation state detecting device and operation state detecting method for elevator |
| CN202098941U (en) * | 2011-05-12 | 2012-01-04 | 南京信息工程大学 | Level-keeping device for large elevator car |
| CN104044969B (en) * | 2014-06-20 | 2017-02-15 | 广州日滨科技发展有限公司 | elevator fault early warning method and system |
| CN104386552A (en) * | 2014-11-04 | 2015-03-04 | 中山市卓梅尼控制技术有限公司 | Elevator car top distributor attitude indicator |
| CN108750856A (en) * | 2017-12-13 | 2018-11-06 | 浙江新再灵科技股份有限公司 | A kind of elevator platform detecting system and method based on vibration analysis |
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