Safety early warning system for escalator

Abstract

An automatic escalator safety early warning system comprises a data acquisition module, a data transmission module and an intelligent diagnosis and analysis module which are in signal connection in sequence. The data acquisition module comprises a plurality of temperature vibration composite sensors, an infrared temperature sensor, a linear displacement sensor and a data acquisition unit. According to the automatic escalator safety early warning system, various sensors are designed to comprehensively monitor all parts of the automatic escalator, a comprehensive and accurate automatic escalator safety early warning mechanism can be achieved, and the personal safety of passengers when the passengers take the automatic escalator is greatly guaranteed; the acquisition box and the switch are designed for data transmission, so that the data transmission safety can be ensured, and the data transmission efficiency is not lost; a local terminal and a cloud platform are designed to perform dual monitoring and intelligent diagnosis analysis on the collected running state information of the escalator, so that the reliability of the safety early warning system is further improved; the utility model has the advantages of strong practicability and strong popularization significance.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic escalators, in particular to an automatic escalator safety early warning system. Background Art

[0002] An escalator, also known as an electric escalator or automatic pedestrian elevator, handrail elevator, or electric escalator, is a type of escalator with circular running steps. It is also a fixed electric drive device used to transport passengers up or down. An escalator consists of a staircase and handrails on both sides. It is usually installed in places with large passenger flow, such as rail transit, airports and other public transportation places, as well as in shopping malls and supermarkets.

[0003] During the operation of escalators, it is necessary to monitor their operating status in real time to ensure the safety of passengers. However, it is often difficult for current escalators to fully and accurately monitor their operating status, which makes it impossible for escalators to detect and eliminate safety hazards in a timely manner, resulting in a considerable failure rate during operation, and even posing a major threat to the personal safety of passengers. Utility Model Content

[0004] Based on this, it is necessary to provide an escalator safety warning system to address the deficiencies in the prior art.

[0005] An escalator safety warning system includes a data acquisition module, a data transmission module and an intelligent diagnosis and analysis module which are sequentially signal-connected. The data acquisition module includes a plurality of temperature-vibration composite sensors, an infrared temperature sensor, a linear displacement sensor and a data collector. A plurality of the temperature-vibration composite sensors are respectively installed in the middle of the motor housing, the reduction box housing, the drive base and the bearing seat of the escalator, a plurality of the infrared temperature sensors are all installed on the handrail of the escalator, and a plurality of the linear displacement sensors are all installed on the step chain of the escalator. The data collector is signal-connected to a plurality of temperature-vibration composite sensors, infrared temperature sensors and linear displacement sensors respectively, and the data collector is also signal-connected to the data transmission module and the intelligent diagnosis and analysis module.

[0006] Furthermore, the temperature-vibration composite sensor includes an acceleration sensing unit and a temperature sensing unit. The acceleration sensing unit can monitor the vibration state, and the temperature sensing unit can monitor the temperature state.

[0007] Furthermore, the data transmission module includes a local switch, a data acquisition box and a network switch. The local switch is connected to the data collector by signal, the data acquisition box and the network switch are connected to the local switch by signal in turn, and the data acquisition box and the network switch are also connected to the intelligent diagnosis and analysis module by signal.

[0008] Furthermore, the local area switch is at least one of a wired switch and a wireless AP.

[0009] Furthermore, the intelligent diagnosis and analysis module includes a local data processing terminal and a remote cloud platform central server. The local data processing terminal is connected to the data acquisition box by signal, and the remote cloud platform central server is connected to the network switch by signal.

[0010] To sum up, the beneficial effects of the automatic escalator safety warning system of the utility model are: by designing a variety of sensors to carry out comprehensive monitoring of the various components of the automatic escalator, a comprehensive and accurate automatic escalator safety warning mechanism can be realized, which greatly guarantees the personal safety of passengers when riding the automatic escalator; the collection box and the switch are designed for data transmission, which can ensure the security of data transmission without losing data transmission efficiency; the local terminal and the cloud platform are designed to carry out dual monitoring and intelligent diagnosis and analysis of the collected automatic escalator operation status information, which further improves the reliability of the safety warning system; the utility model is highly practical and has a strong promotion significance. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The utility model is a functional structure diagram of an automatic escalator safety warning system. DETAILED DESCRIPTION

[0012] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0013] like Figure 1 As shown, the utility model provides an automatic escalator safety warning system 100, which includes a data acquisition module 10, a data transmission module 20 and an intelligent diagnosis and analysis module 30 connected in sequence. The data acquisition module 10 includes a plurality of temperature-vibration composite sensors 11, an infrared temperature sensor 12, a linear displacement sensor 13 and a data collector 14.

[0014] Several of the temperature-vibration composite sensors 11 are respectively installed in the middle of the motor housing, the reduction gearbox housing, the drive base and the bearing seat of the escalator. Specifically, in this embodiment, the temperature-vibration composite sensor 11 includes an acceleration sensing unit 111 and a temperature sensing unit 112. The acceleration sensing unit 111 can monitor the vibration state of the motor, reduction gearbox, drive base and bearing in the escalator, and the temperature sensing unit 112 can monitor the temperature state of the motor, reduction gearbox, drive base and bearing in the escalator.

[0015] The temperature-vibration composite sensor 11 installed in the middle of the motor housing can monitor the operating status of the motor and related bearings, so as to timely check the abnormal operation of the motor. The temperature-vibration composite sensor 11 installed at the reducer housing can monitor the operating status of the reducer and related bearings and the oil temperature of the lubricating oil, so as to timely check the abnormal operation of the reducer. The temperature-vibration composite sensor 11 installed at the drive base can monitor the vibration state of the drive base, so as to timely check the looseness or displacement of the drive base. The temperature-vibration composite sensor 11 installed at the bearing seat can monitor the vibration state and operating temperature of the left and right main shaft bearings and the vibration state of the left and right ladder chain tensioning wheels and chains, so as to timely check the operating abnormality of the main drive wheel bearing and the ladder chain structure.

[0016] Several of the infrared temperature sensors 12 are installed at the handrail of the escalator, and the infrared temperature sensors 12 can monitor the operating temperature state of the handrail in the escalator. Several of the linear displacement sensors 13 are installed at the step chain of the escalator, and the linear displacement sensors 13 can monitor the displacement data of the step chain tensioner in the escalator. The infrared temperature sensor 12 can monitor the operating temperature state of the handrail, thereby timely troubleshooting the operation abnormality of the handrail. The linear displacement sensor 13 can monitor the displacement information of the step chain tensioner, thereby timely troubleshooting the operation abnormality of the step chain structure.

[0017] The data collector 14 is respectively connected to the plurality of temperature-vibration composite sensors 11, the infrared temperature sensor 12 and the linear displacement sensor 13, and is also connected to the data transmission module 20 and the intelligent diagnosis and analysis module 30. The data collector 14 is a component that realizes the sensor network management of a single elevator, completes the preprocessing or data collection of signals, and interacts with the station data processing terminal. It is not only responsible for collecting, processing and storing the analog signals (such as vibration, impact, etc.) and temperature information transmitted by the sensor; it is also responsible for transmitting the temperature information and analog signals to the vehicle extension through the bus to simplify the loading project.

[0018] The data transmission module 20 includes a local switch 21, a data collection box 22 and a network switch 23. The local switch 21 is signal-connected to the data collector 14, and the data collection box 22 and the network switch 23 are signal-connected to the local switch 21 in turn, and the data collection box 22 and the network switch 23 are also signal-connected to the intelligent diagnosis and analysis module 30. Specifically, in this embodiment, the local switch 21 is at least one of a wired switch or a wireless AP. The local switch 21 can quickly transmit the data collected by the data collector 14 to the data collection box 22, and the data collection box 22 summarizes the data and performs further processing and storage, while the network switch 23 sets up a transmission channel between the local network and the external network, so that the data information in the data collection box 22 can be further transmitted to the remote cloud for diagnosis and analysis.

[0019] The intelligent diagnosis and analysis module 30 includes a local data processing terminal 31 and a remote cloud platform central server 32. The local data processing terminal 31 is connected to the data acquisition box 22 by signal, and the remote cloud platform central server 32 is connected to the network switch 23 by signal. The local data processing terminal 31 can collect data from each data collector 14 in real time, mark the location and alarm status of all data, and package, store and report the data to relevant dispatching departments. The remote cloud platform central server 32 comprehensively includes two major functions: diagnosis and analysis and monitoring and alarm. The diagnosis and analysis include waveform spectrum analysis, time-frequency domain analysis, envelope analysis and inverse spectrum analysis, while the monitoring and alarm have the effects of real-time display, classification query, trend analysis and precise positioning. The remote cloud platform central server 32 can diagnose and analyze the operating status of all escalators in the system, and realize the health status assessment of escalators and fault trend warning.

[0020] To sum up, the beneficial effects of the automatic escalator safety warning system 100 of the utility model are: by designing a variety of sensors to carry out comprehensive monitoring of the various components of the automatic escalator, a comprehensive and accurate automatic escalator safety warning mechanism can be realized, which greatly ensures the personal safety of passengers when riding the automatic escalator; the collection box and the switch are designed for data transmission, which can ensure the security of data transmission without losing data transmission efficiency; the local terminal and the cloud platform are designed to perform dual monitoring and intelligent diagnosis and analysis on the collected automatic escalator operation status information, which further improves the reliability of the safety warning system; the utility model is highly practical and has a strong promotion significance.

[0021] The above-mentioned embodiment only expresses one implementation method of the utility model, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An escalator safety warning system, characterized in that: It comprises a data acquisition module, a data transmission module and an intelligent diagnosis and analysis module which are sequentially connected by signals; the data acquisition module comprises a plurality of temperature-vibration composite sensors, an infrared temperature sensor, a linear displacement sensor and a data acquisition device; a plurality of the temperature-vibration composite sensors are respectively installed at the middle of the motor housing, the reduction box housing, the drive base and the bearing seat of the escalator, a plurality of the infrared temperature sensors are all installed at the handrail of the escalator, and a plurality of the linear displacement sensors are all installed at the step chain of the escalator; the data acquisition device is respectively connected to the plurality of temperature-vibration composite sensors, the infrared temperature sensor and the linear displacement sensor by signals, and the data acquisition device is also connected to the data transmission module and the intelligent diagnosis and analysis module by signals.

2. The automatic escalator safety warning system according to claim 1, characterized in that: The temperature-vibration composite sensor comprises an acceleration sensing unit and a temperature sensing unit. The acceleration sensing unit can monitor the vibration state, and the temperature sensing unit can monitor the temperature state.

3. The automatic escalator safety warning system according to claim 1, characterized in that: The data transmission module includes a local switch, a data acquisition box and a network switch; the local switch is connected to the data collector signal, the data acquisition box and the network switch are connected to the local switch signal in turn, and the data acquisition box and the network switch are also connected to the intelligent diagnosis and analysis module signal.

4. The automatic escalator safety warning system according to claim 3, characterized in that: The local area switch is at least one of a wired switch and a wireless AP.

5. The automatic escalator safety warning system according to claim 3, characterized in that: The intelligent diagnosis and analysis module includes a local data processing terminal and a remote cloud platform central server; the local data processing terminal is signal-connected to a data acquisition box, and the remote cloud platform central server is signal-connected to a network switch.

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