CN214269876U - Escalator safety monitoring system based on sensor - Google Patents
Escalator safety monitoring system based on sensor Download PDFInfo
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- CN214269876U CN214269876U CN202023272709.7U CN202023272709U CN214269876U CN 214269876 U CN214269876 U CN 214269876U CN 202023272709 U CN202023272709 U CN 202023272709U CN 214269876 U CN214269876 U CN 214269876U
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Abstract
The utility model discloses an escalator safety monitoring system based on a sensor, which comprises a sensor device and a black box; the sensor device comprises a vibration sensor for measuring the vibration of the main driving motor, an infrared temperature sensor for measuring the temperature of the handrail belt, an inclination angle sensor for measuring the vibration and the inclination of the pedal, a speed sensor for measuring the running speed of the escalator and the speed of the handrail belt, and a temperature sensor for measuring the ambient temperature of the cabin of the escalator; the black box comprises a data acquisition module, a data storage module, a data calculation module and a data sending module. The utility model discloses automatic escalator safety monitoring system based on sensor carries out real-time supervision and its degree of safety of analytical calculation to automatic escalator to can report an emergency and ask for help or increased vigilance, utilize information technology to reduce automatic escalator's potential safety hazard, guarantee the safety of automatic escalator and provide omnidirectional data support for protecting in the staircase "thing networking + insurance + service" new mode that the country proposed.
Description
Technical Field
The utility model relates to an automatic escalator safety monitoring field especially relates to an automatic escalator safety monitoring system based on sensor.
Background
With the rapid development of socioeconomic performance in China, the application of escalators in public places is more and more popular. The escalator is electromechanical equipment related to public safety, and the safety and the reliability of the equipment and the use of the equipment are related to the safety of people. However, in recent years, accidents frequently occur on escalators, especially in places with dense pedestrian flows such as shopping malls, stations and subways, and once accidents occur, the accidents are always surprised, so that immeasurable personal and property safety loss is brought.
In order to enable the escalator to provide better service for passengers, guarantee riding safety and solve the problem that the traditional escalator management maintenance mode cannot meet the requirement of the current situation, a new internet of things technology is applied to escalator monitoring, and the intelligent diagnosis and online monitoring functions of escalator equipment are guaranteed so as to optimize the operation safety measures of the escalator, which become more and more important.
Those skilled in the art have therefore endeavored to develop a sensor-based escalator safety monitoring system.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that an escalator safety monitoring system based on sensor is provided.
In order to achieve the above object, the utility model provides a sensor-based escalator safety monitoring system, which comprises a sensor device and a black box;
the sensor device comprises a vibration sensor for measuring the vibration of the main driving motor, an infrared temperature sensor for measuring the temperature of the handrail belt, an inclination angle sensor for measuring the vibration and the inclination of the pedal, a speed sensor for measuring the running speed of the escalator and the speed of the handrail belt, and a temperature sensor for measuring the ambient temperature of the cabin of the escalator;
the black box comprises a data acquisition module, a data storage module, a data calculation module and a data sending module;
the data acquisition module is in communication connection with the sensor device and is used for acquiring data of the sensor device;
the data storage module is used for storing the data of the sensor device acquired by the data acquisition module;
the data calculation module is used for analyzing and calculating the data of the sensor device;
the data sending module is used for sending the data of the sensor device to the data center, and sending alarm information to the cloud server when the data of the sensor device calculated by the data calculating module exceeds a preset threshold value so as to push the alarm information to an escalator safety manager.
Preferably, the sensor device further comprises a camera for recording the fault and the rescue process of the escalator.
Preferably, the camera is located above the escalator.
Preferably, the vibration sensor is arranged at the outer shell and the base of the escalator main drive motor, the infrared temperature sensor is arranged at the truss, the inclination angle sensor is arranged at the pedal of the escalator entrance, the speed sensor is arranged at the shaft of the main drive motor and the drive shaft of the handrail belt, and the temperature sensor is arranged in the cabin of the escalator.
Preferably, the data sending module is in wireless communication connection with the data center.
Preferably, the black box is further provided with a standby power supply.
The utility model has the advantages that: the utility model discloses automatic escalator safety monitoring system based on sensor carries out real-time supervision and its degree of safety of analytical calculation to automatic escalator to can report an emergency and ask for help or increased vigilance, utilize information technology to reduce automatic escalator's potential safety hazard, guarantee the safety of automatic escalator and provide omnidirectional data support for protecting in the staircase "thing networking + insurance + service" new mode that the country proposed.
Drawings
Fig. 1 is a frame schematic diagram of an escalator safety monitoring system based on a sensor according to an embodiment of the present invention.
Fig. 2 is a schematic view of the monitoring principle of the escalator safety monitoring system based on the sensor according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein it is noted that, in the description of the invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and 2, the sensor-based escalator safety monitoring system comprises a sensor device 10 and a black box 20.
The sensor device 10 includes:
a vibration sensor 11 for measuring the vibration of the main driving motor, an infrared temperature sensor 12 for measuring the temperature of the handrail belt, an inclination angle sensor 13 for measuring the vibration and inclination of the pedals, a speed sensor 14 for measuring the running speed of the escalator and the speed of the handrail belt, and a temperature sensor 15 for measuring the ambient temperature of the cabin of the escalator.
The vibration sensor is one of the key parts in the testing technology, and the function of the vibration sensor is mainly to receive mechanical quantity and convert the mechanical quantity into electric quantity proportional to the mechanical quantity. The system is used for collecting vibration data of the escalator main driving motor in the X, Y and Z axis directions.
The infrared temperature sensor utilizes the radiation heat effect to lead the temperature to rise after the detection device receives the radiation energy, thereby leading the performance of the sensor and the temperature to change and being used for collecting the temperature of the escalator handrail.
The inclination angle sensor integrates the MCU, the MEMS accelerometer, the analog-to-digital conversion circuit and the communication unit on a very small circuit board, can directly output inclination data such as angles and the like, and is used for collecting vibration and inclination data of the escalator pedal.
The speed sensor is a sensor which measures the running speed of a measured object and converts the running speed into an output signal and is used for acquiring the running speed of the escalator and the speed of the handrail belt.
The temperature sensor senses temperature by using the thermosensitive element and converts the temperature into a sensor capable of outputting signals, and the sensor is used for acquiring the ambient temperature of the cabin body of the escalator.
The black box 20 includes a data acquisition module 21, a data storage module 22, a data calculation module 23, and a data transmission module 24.
The data acquisition module 21 is in communication connection with the sensor device 10 and is used for acquiring data of the sensor device 10;
the data storage module 22 is used for storing the data of the sensor device 10 acquired by the data acquisition module 21;
the data calculation module 23 is used for analyzing and calculating data of the sensor device 10;
the data sending module 24 is configured to send the data of the sensor device 10 to the data center 30, and send warning information to the cloud server 40 to be pushed to an escalator safety manager when the data of the sensor device 10 calculated by the data calculating module 23 exceeds a preset threshold.
The sensor device 10 also comprises a camera 16 for recording escalator faults and rescue procedures.
The camera 16 is located above the escalator.
The camera 16 can record the fault and the rescue process of the escalator, and provide a basis for rescue and accident investigation. The machine learning can be utilized to automatically judge whether the elevator is taken in a non-civilized way and prompt voice reminding. The flow of people taking the escalator can be counted by machine learning, and the load of the escalator can be analyzed.
In this embodiment, the vibration sensor 11 is disposed at the housing and the base of the escalator main drive motor, the infrared temperature sensor 12 is disposed at the truss, the tilt sensor 13 is disposed at the entrance/exit pedal of the escalator, the speed sensor 14 is disposed at the shaft of the main drive motor and the drive shaft of the handrail belt, and the temperature sensor 15 is disposed in the cabin of the escalator.
The data sending module 24 is connected with the data center 30 in a wireless communication mode.
The black box 20 is also provided with a standby power supply. The black box 20 has a cruising function in case of power failure, and in the embodiment, the black box can be maintained to operate for at least half an hour by only the standby power supply equipped for the black box.
In this embodiment, the real-time status of the escalator that the black box 20 can collect includes: host status, escalator speed, handrail speed, direction of travel, handrail temperature, cabin temperature, non-civilized ride, and the like. The escalator faults that the black box 20 can collect include: failure of a driving main machine, failure of a driving main shaft, failure of high temperature of a handrail, overspeed difference of an escalator, failure of inclination of a pedal and the like.
The black box is based on an android environment, a machine learning algorithm is built in, vibration data of a main driving motor of the escalator on X, Y and Z axes can be analyzed, time domain information (kurtosis value and deviation value) is obtained through Fourier decomposition, energy values of various frequency bands are obtained through wavelet packet decomposition, a data model is established by combining mechanical vibration and a fault principle, and fault characteristic parameters are set. When the monitored real-time data exceeds a fault threshold value, the system automatically sends alarm information to the cloud server and pushes the alarm information to an escalator safety manager, and the safety manager arranges maintenance personnel to carry out emergency treatment according to actual conditions.
The utility model discloses automatic staircase safety monitoring system based on sensor is through at automatic staircase main drive motor, the handrail area, the sensor collection staircase vibration data of installing additional of staircase access & exit footboard isotatic, it tramples data to locate the installation inclination sensor at access & exit footboard, install infrared temperature sensor and measure the handrail area temperature on the truss, carry out the fault diagnosis operation through black box 20, draw the fault signature, and pass back data center through wired or wireless network with the operation result, data center carries out subsequent processing according to the data of passing back. Meanwhile, the system can monitor the running state of the escalator, predict and early warn common faults of the escalator, and assist maintenance personnel to carry out targeted maintenance work.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (6)
1. The escalator safety monitoring system based on the sensor is characterized by comprising a sensor device (10) and a black box (20);
the sensor device (10) comprises a vibration sensor (11) for measuring the vibration of the main driving motor, an infrared temperature sensor (12) for measuring the temperature of the handrail belt, an inclination angle sensor (13) for measuring the vibration and the inclination of the pedal, a speed sensor (14) for measuring the running speed of the escalator and the speed of the handrail belt, and a temperature sensor (15) for measuring the ambient temperature of the cabin of the escalator;
the black box (20) comprises a data acquisition module (21), a data storage module (22), a data calculation module (23) and a data sending module (24);
the data acquisition module (21) is in communication connection with the sensor device (10) and is used for acquiring data of the sensor device (10);
the data storage module (22) is used for storing the data of the sensor device (10) acquired by the data acquisition module (21);
the data calculation module (23) is used for analyzing and calculating the data of the sensor device (10);
the data sending module (24) is used for sending the data of the sensor device (10) to the data center (30), and sending alarm information to the cloud server (40) when the data of the sensor device (10) calculated by the data calculating module (23) exceeds a preset threshold value so as to be pushed to an escalator safety manager.
2. Sensor-based escalator safety monitoring system according to claim 1, characterized in that the sensor device (10) further comprises a camera (16) for recording escalator malfunction and rescue process.
3. The sensor-based escalator safety monitoring system according to claim 2, characterized in that said camera (16) is located above the escalator.
4. A sensor-based escalator safety monitoring system according to claim 1, 2 or 3, characterized in that the vibration sensor (11) is placed at the escalator main drive motor housing and base, the infrared temperature sensor (12) is placed at the truss, the tilt sensor (13) is placed at the escalator entrance step, the speed sensor (14) is placed at the main drive motor shaft and handrail drive shaft, and the temperature sensor (15) is placed in the escalator cabin.
5. A sensor-based escalator safety monitoring system according to claim 1, 2 or 3, characterized by the fact that the data transmission module (24) is in wireless communication with the data center (30).
6. A sensor-based escalator safety monitoring system according to claim 1, 2 or 3, characterized in that the black box (20) is also provided with a backup power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023272709.7U CN214269876U (en) | 2020-12-30 | 2020-12-30 | Escalator safety monitoring system based on sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023272709.7U CN214269876U (en) | 2020-12-30 | 2020-12-30 | Escalator safety monitoring system based on sensor |
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| Publication Number | Publication Date |
|---|---|
| CN214269876U true CN214269876U (en) | 2021-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023272709.7U Active CN214269876U (en) | 2020-12-30 | 2020-12-30 | Escalator safety monitoring system based on sensor |
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| CN (1) | CN214269876U (en) |
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- 2020-12-30 CN CN202023272709.7U patent/CN214269876U/en active Active
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