Intelligent Monitoring System for the Operation and Maintenance Status of Emergency Lighting and Evacuation Indication Devices in Railway Tunnels

Abstract

The present invention discloses an intelligent monitoring system for the operation and maintenance status of emergency lighting and evacuation indication devices in railway tunnels, comprising: an intelligent monitoring main device, a voltage sensor, a current sensor, and an intelligent monitoring sub-device. The intelligent monitoring main device includes a CPU processing module, a status acquisition module, a data storage module, a main device basic configuration ROM module, a control output module, a network interface module, a main device data acquisition module, and a main device communication management module; the intelligent monitoring sub-device includes a sub-device data acquisition module, a sub-device basic configuration ROM module, and a sub-device communication management module. The intelligent monitoring main device of the present invention can be used in cooperation with the intelligent monitoring sub-device or used alone. By detecting the loop current information through an external mutual inductor, tracking, analyzing, and discriminating the standard loop current, the intelligent analysis function of the operation and maintenance status of emergency lighting fixtures and evacuation indication devices can be realized.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent monitoring, and more specifically to an intelligent monitoring system for the operation and maintenance status of emergency lighting and evacuation indication devices in railway tunnels. Background Art

[0002] With the rapid development of Internet of Things technology, the requirement for the degree of intelligence of modern industrial buildings is getting higher and higher. The proportion of railway tunnels in the total national railway operation mileage is increasing continuously. As of 2020, the total railway operation mileage in China reached 1.45 million kilometers. Among them, 16,798 railway tunnels were put into operation, with an operating tunnel length of 19,630 kilometers. In the past five years, an average of more than 1,400 kilometers of tunnels have been newly added each year, which is equivalent to a progress of 4 kilometers per day. However, the monitoring intelligence of tunnel lighting and evacuation indication devices is insufficient and can no longer meet the current operation and maintenance management requirements.

[0003] Therefore, how to provide an intelligent monitoring system for the operation and maintenance status of emergency lighting and evacuation indication devices in railway tunnels that meets the requirements is an urgent problem to be solved by those skilled in the art. Summary of the Invention

[0004] In view of this, the present invention provides an intelligent monitoring system for the operation and maintenance status of emergency lighting and evacuation indication devices in railway tunnels, which realizes functions such as remote monitoring, remote control, equipment health analysis, and remote inspection of tunnel lighting equipment and evacuation indication devices, further improves the informatization and intelligence of relevant equipment and facilities in the tunnel lighting field, reduces the work intensity of operation and maintenance personnel, and realizes high-efficiency informatization operation and maintenance.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] An intelligent monitoring system for the operation and maintenance status of emergency lighting and evacuation indication devices in railway tunnels, comprising: an intelligent monitoring main device, a voltage sensor, and a current sensor. The intelligent monitoring main device includes a CPU processing module, a status acquisition module, a data storage module, a main device basic configuration ROM module, a control output module, a network interface module, and a main device data acquisition module;

[0007] The voltage sensor is used to monitor the voltage value of the power circuit and convert it into a 4-20 mA current analog signal;

[0008] The current sensor is used to monitor the current value of the power circuit and convert the strong current signal into a current analog quantity signal;

[0009] The main device data acquisition module is used to collect the sensor current analog quantity;

[0010] The status acquisition module is used to collect the working status information of the lighting circuit and realize the information acquisition of the passive input points;

[0011] The network interface module is used to provide an information collection and integration interface for an external remote management platform to implement remote inspection;

[0012] The control output module is used to control the on / off of the passive output point to achieve remote control;

[0013] The data storage module is used to store monitoring data information;

[0014] The main device basic configuration ROM module is used to store basic setting values;

[0015] The CPU processing module is used to analyze, discriminate, and alarm data.

[0016] Preferably, it further includes an intelligent monitoring sub-device connected to the intelligent monitoring main device. The intelligent monitoring sub-device includes a sub-device data acquisition module, a sub-device basic configuration ROM module, and a sub-device communication management module;

[0017] The sub-device data acquisition module is used to collect the working current, voltage, illuminance, and working temperature information of a single lighting device;

[0018] The sub-device basic configuration ROM module is used to store the sub-device's own communication ID number, communication rate, and acquisition value conversion ratio;

[0019] The sub-device communication management module communicates with the main device through power line carrier.

[0020] Preferably, the intelligent monitoring main device further includes a main device communication module, which is connected to the sub-device communication management module and is used to communicate with the sub-device through power line carrier.

[0021] Preferably, the intelligent monitoring main device further includes a touch screen, which is connected to the main device basic configuration ROM module and is used to display the loop data information, loop status information, loop alarm discrimination information collected by the main device, and the data acquisition information of the sub-device, and to set the alarm threshold, communication address, and communication time interval information of the main device.

[0022] Preferably, the intelligent monitoring main device further includes a main device power management module, which is used to provide the power required for the operation of the main device communication module, the status acquisition module, the main device data acquisition module, the CPU processing module, and the touch screen.

[0023] Preferably, the intelligent monitoring sub-device further includes a sub-device power management module, which is used to provide the power required for the operation of the sub-device data acquisition module, the sub-device communication management module, and the sub-device basic configuration ROM module.

[0024] Preferably, the basic setting values include the communication IDs of each sub-device, the conversion coefficient of the current sensor, and the alarm threshold.

[0025] As can be seen from the above technical solutions, compared with the prior art, the present invention discloses an intelligent monitoring system for the operation and maintenance status of railway tunnel emergency lighting and evacuation indication devices. By detecting the loop current information through an external mutual inductor, tracking, analyzing, and discriminating the standard loop current, an intelligent analysis function for the operation and maintenance status of emergency lighting fixtures and evacuation indication devices is realized, and the standard value setting and automatic calibration functions are supported. It can be applied to the power circuits of tunnel emergency lighting, tunnel working lighting, and tunnel evacuation indication devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on the provided drawings.

[0027] Figure 1 The drawing is a networking diagram of the intelligent monitoring main device and the intelligent monitoring sub-devices.

[0028] Figure 2 The drawing is a principle block diagram of the intelligent monitoring main device.

[0029] Figure 3 The drawing is a principle block diagram of the intelligent monitoring sub-device. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0031] The embodiments of the present invention disclose an intelligent monitoring system for the operation and maintenance status of railway tunnel emergency lighting and evacuation indication devices, as Figure 1As shown in the figure, it includes an intelligent monitoring main device, a voltage sensor, a current sensor, and intelligent monitoring sub-devices. The intelligent monitoring main device is usually arranged side by side with the lighting control box. The voltage sensor and the current sensor are arranged inside the lighting control box. The voltage sensor is used to monitor the voltage value of the power circuit, convert AC 220V / 380V into an analog signal of 4 - 20ma, and transmit it to the main device in the form of an analog quantity; the current sensor is in the form of a transformer, used to collect the loop current information, convert the strong current signal into an analog signal, and transmit it to the main device in the form of an analog quantity. In addition, it also includes N intelligent monitoring sub-devices connected to the intelligent monitoring main device. The intelligent monitoring sub-devices are used in conjunction with the lighting fixtures to collect information such as the current, voltage, illuminance, and working temperature of a single lighting fixture. Multiple sets of sub-devices in the same loop transmit the information to the main device of this loop based on the power line carrier signal, achieving the purpose of intelligent monitoring of the lighting working loop by the main device.

[0032] As Figure 2 shown in the figure, the intelligent monitoring main device includes a CPU processing module, a status acquisition module, a data storage module, a main device basic configuration ROM module, a control output module, a network interface module, a main device data acquisition module, a main device power management module, a main device communication module, and a touch screen. The CPU processing module is respectively connected to the main device data acquisition module, the main device communication module, the status acquisition module, the data storage module, the main device basic configuration ROM module, the control output module, and the network interface module. The touch screen is connected to the main device basic configuration ROM module.

[0033] Among them, the CPU processing module is used to analyze, discriminate, alarm, etc. the collected data;

[0034] The main device data acquisition module realizes the acquisition of the sensor current analog signal;

[0035] The status acquisition module realizes the acquisition of the information of the passive input points;

[0036] The network interface module provides a standard MODBUS / TCP interface and provides an information acquisition integration interface for the external remote management platform;

[0037] The control output module realizes the on / off of the passive output points to achieve remote control;

[0038] The touch screen mainly displays the loop data information, loop status information, loop alarm discrimination information, and data acquisition information of the sub-devices collected by the main device, and realizes the setting function of information such as the alarm threshold, communication address, and communication time interval of the main device;

[0039] The storage module is used to store the monitoring historical data information of the device, etc.;

[0040] The main device basic configuration ROM module is used to store the basic setting values of the device, such as the communication ID of the sub-device, the conversion coefficient of the current sensor, the alarm threshold and other information;

[0041] The main device communication module is mainly for power line carrier communication. The default setting is a unique factory ID to realize the communication between the main device and the sub-devices;

[0042] The power management module provides the power required for the operation of each module in the main device, including 24V, 5V, and 3.3V.

[0043] As Figure 3 shown, the intelligent monitoring sub-device includes a sub-device data acquisition module, a sub-device power management module, a sub-device basic configuration ROM module, and a sub-device communication management module. The sub-device data acquisition module is connected to the sub-device communication management module, the sub-device basic configuration ROM module is connected to the sub-device communication management module, and the sub-device power management module is respectively connected to the sub-device data acquisition module, the sub-device communication management module, and the sub-device basic configuration ROM module.

[0044] The sub-device data acquisition module is used to collect the working current, voltage, illuminance, and working temperature information of a single lighting fixture;

[0045] The sub-device basic configuration ROM module is used to store basic configuration information such as the communication ID number of the sub-device itself, the communication rate, and the conversion ratio of the collected values;

[0046] The sub-device power management module is used to provide the power required for the operation of each module in the device, including 5V and 3.3V;

[0047] The sub-device communication management module is mainly for power line carrier communication. The default setting is a unique factory ID to realize communication with the main device.

[0048] In the present invention, the intelligent monitoring main device and the intelligent monitoring sub-devices communicate based on power line carrier, without the need for additional comprehensive wiring, effectively reducing the construction cost.

[0049] The intelligent monitoring system of the present invention uses the intelligent monitoring main device to collect the working current of the circuit in real time and automatically correct the normal working current of the circuit. It can monitor three-phase current and voltage, and can obtain the current, voltage, temperature, and illuminance of each individual lamp monitored by the sub-devices through communication, realizing all-weather and all-round monitoring.

[0050] Furthermore, the main device will alarm for the upper and lower limits of voltage, current, and three-phase imbalance, and can calibrate the alarm threshold, while the sub-device can alarm for the upper and lower limits of voltage, current, temperature, illuminance, and whether the sub-device is offline.

[0051] Furthermore, the main device can store and query real-time data. For example, three-phase voltage and current are stored once every 15 minutes, with a storage cycle of half a year and circular coverage. It supports retrieval and query by day. The data of the sub-devices and the main device are stored separately. Alarm data such as the over-limit alarm value and the occurrence time are stored and queried, as well as the operation logs are stored and queried.

[0052] Furthermore, the main device is used in supporting combination with the sub-assemblies. The main device obtains the monitoring information of the sub-devices, combines the real-time values of the illuminance, temperature, and current of the lamps, and compares them with the historical values to determine the health status of individual lamp devices, so as to realize the function of equipment health early warning.

[0053] Furthermore, there is a constant relationship between the energy consumption of the lamp, i.e., the working current, and the illuminance of the lamp, as well as the temperature, i.e., the heat energy, generated by the lamp beads and the circuit. If the relationship deviates, it is determined that the lamp has a potential risk of failure, and the single deviation value is the factory-set value.

[0054] Furthermore, the main device continuously collects data on working current, lamp illuminance, and working temperature, records the data of each lamp when it is normal and when it fails, and cooperates with maintenance management. The main device supports the description of maintenance means or methods to establish a large database of lamps, upload it to the remote control platform, and realize the establishment of a database of the health and maintenance history experience of lamp devices, so as to realize intelligent operation and maintenance.

[0055] Furthermore, the main device can be used alone without supporting sub-devices to realize the acquisition of loop current. By comparing the preset values of the loop and individual lamps, the loop current is calculated, discriminated, and tracked and corrected to realize the fault alarm function of the lamps.

[0056] The working process of the present invention is as follows:

[0057] When the intelligent monitoring main device and the intelligent monitoring sub-device are used in combination, the data acquisition module of the sub-device acquires information such as the working voltage, current, temperature, and illuminance of the lighting lamps, and sends them to the CPU processing module through the communication management module of the sub-device and the communication management module of the main device respectively to realize communication with the main device. The CPU processing module analyzes, discriminates, alarms, and automatically tracks and calibrates the standard values for the acquired data, displays them on the touch screen, and the network interface module provides a standard protocol interface for the external remote management platform to read the result information. When the instruction of the remote management platform is read, it is read through the network interface module, and the control function of the lighting loop is realized through the control output module. During this period, the acquisition module is used to acquire the working state information of the lighting loop, such as the switch state, remote / local state, etc. When the main device detects an alarm, the data storage module will store the time of the current alarm, the sub-device ID number, the maximum real-time alarm value, the alarm set value, etc.

[0058] It should be noted that when the intelligent monitoring main device is used in conjunction with the intelligent monitoring sub-device, the current sensor and the voltage sensor do not work, and the working mode can be configured through the ROM module of the basic configuration of the main device.

[0059] In addition, when it is not convenient to install and implement the intelligent monitoring sub-device, the main device can also be used alone. The working voltage of the circuit is detected by the voltage sensor, and the signal is converted into a 4-20 mA current signal. The current sensor collects the working current signal of the circuit, and the signal is transmitted to the data acquisition module of the main device. The CPU processing module tracks, analyzes, and discriminates the standard current of the circuit to realize the intelligent analysis function of the working circuit of ordinary lamps, and supports the standard value setting and automatic calibration functions. Similarly, the remote communication functions of the status acquisition module, the control output module, and the network interface module can realize the remote inspection of lighting equipment. It is especially suitable for existing operating railway tunnels, avoiding large-area replacement of lamps and achieving maximum reuse.

[0060] The various embodiments in this specification are described in a progressive manner. Each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other. For the devices disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple, and the relevant parts can be referred to the description of the method part.

[0061] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An intelligent monitoring system for the operation and maintenance status of railway tunnel emergency lighting and evacuation indication devices, characterized in that, it includes: An intelligent monitoring main device, a voltage sensor and a current sensor. The intelligent monitoring main device includes a CPU processing module, a status acquisition module, a data storage module, a main device basic configuration ROM module, a control output module, a network interface module and a main device data acquisition module; The voltage sensor is used to monitor the voltage value of the power circuit and convert it into a 4-20ma current analog signal; The current sensor is used to monitor the current value of the power circuit and convert the strong current signal into a current analog signal; The main device data acquisition module is used to collect the sensor current analog quantity; The status acquisition module is used to collect the working status information of the lighting circuit and realize the information acquisition of the passive input points; The network interface module is used to provide an information acquisition integration interface for the external remote management platform to realize remote inspection; The control output module is used to control the on / off of the passive output points to realize remote control; The data storage module is used to store the monitoring data information; The main device basic configuration ROM module is used to store the basic setting values; The CPU processing module is used to analyze, discriminate and alarm the data; It also includes an intelligent monitoring sub-device connected to the intelligent monitoring main device. The intelligent monitoring sub-device includes a sub-device data acquisition module, a sub-device basic configuration ROM module and a sub-device communication management module; The sub-device data acquisition module is used to collect the working current, voltage, illuminance and working temperature information of a single lighting device; The sub-device basic configuration ROM module is used to store the sub-device's own communication ID number, communication rate, and conversion ratio of the collected values; The sub-device communication management module communicates with the main device through power line carrier; When the intelligent monitoring main device and the intelligent monitoring sub-device are used in combination, the current sensor and the voltage sensor do not work, and the working mode can be configured through the main device basic configuration ROM module.

2. The intelligent monitoring system for the operation and maintenance status of railway tunnel emergency lighting and evacuation indication devices according to claim 1, characterized in that, The intelligent monitoring main device further includes a main device communication module, which is connected to the sub-device communication management module and is used to communicate with the sub-device through power line carrier.

3. The intelligent monitoring system for the operation and maintenance status of railway tunnel emergency lighting and evacuation indication devices according to claim 2, characterized in that, The intelligent monitoring main device further includes a touch screen, which is connected to the main device basic configuration ROM module and is used to display the loop data information, loop status information, loop alarm discrimination information collected by the main device and the data acquisition information of the sub-device, and to realize the setting of the alarm threshold, communication address and communication time interval information of the main device.

4. The intelligent monitoring system for the operation and maintenance status of railway tunnel emergency lighting and evacuation indication devices according to claim 3, characterized in that, The intelligent monitoring main device further includes a main device power management module, which is used to provide the power required for the operation of the main device communication module, the status acquisition module, the main device data acquisition module, the CPU processing module, and the touch screen.

5. The intelligent monitoring system for the operation and maintenance status of the railway tunnel emergency lighting and evacuation indication device according to claim 1, characterized in that the intelligent monitoring sub-device further includes a sub-device power management module, which is used to provide the power required for the operation of the sub-device data acquisition module, the sub-device communication management module, and the sub-device basic configuration ROM module.

6. The intelligent monitoring system for the operation and maintenance status of the railway tunnel emergency lighting and evacuation indication device according to claim 1, characterized in that the basic setting values include the communication IDs of each sub-device, the conversion coefficient of the current sensor, and the alarm threshold.

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