Cable tunnel control device and system

Abstract

The utility model provides a cable tunnel control device and system, and the device comprises a main control module, a sensor module and an execution module, the sensor module comprises a first sensor unit and a second sensor unit, the first sensor unit is electrically connected with the main control module through a 485 sensor, and the second sensor unit is electrically connected with the main control module through a 485 sensor. The second sensor unit is electrically connected with the main control module through an analog sensor; a driving unit is arranged in the main control module, and the driving unit is electrically connected with the execution module. According to the technical scheme, the control efficiency of the cable tunnel is improved, and the safety of the cable tunnel is improved.

Description

Technical Field

[0001] The present application relates to the technical field of cable tunnel monitoring equipment, and in particular to a cable tunnel control device and system. Background Art

[0002] Cable tunnels, as underground structures that accommodate large numbers of cables, offer advantages over other cable laying methods, such as ease of installation and flexible expansion and maintenance. However, cable tunnels also face numerous challenges, including high investment costs, high consumables, and the potential for water accumulation. Fire and explosion prevention, as well as maintenance, are particularly challenging. Once a fault occurs, locating and repairing it requires significant effort, necessitating an efficient monitoring and management solution.

[0003] At present, the safety of cable tunnels is mainly achieved by monitoring single factors such as accumulated water, harmful gases, power anomalies, temperature and humidity to achieve cable tunnel management.

[0004] However, the above monitoring methods are independent of each other, resulting in slow response speed and low disposal efficiency, which cannot meet the safety requirements of the complex environment of cable tunnels. Utility Model Content

[0005] The present application provides a cable tunnel control device and system to solve the problem that existing cable tunnel control methods cannot meet the safety requirements of complex cable tunnel environments.

[0006] In a first aspect, the present application provides a cable tunnel control device, comprising:

[0007] Main control module, sensor module and execution module;

[0008] The sensor module includes a first sensor unit and a second sensor unit, the first sensor unit is electrically connected to the main control module through a 485 sensor, and the second sensor unit is electrically connected to the main control module through an analog sensor;

[0009] The main control module is provided with a driving unit, and the driving unit is electrically connected to the execution module.

[0010] Optionally, the main control module is further provided with an interface unit, which includes a network interface, a debugging interface, a display interface, an input interface, an output interface, an analog interface and a sensor interface;

[0011] The main control module is electrically connected to the first sensor unit through the sensor interface;

[0012] The main control module is electrically connected to the second sensor unit through the analog interface.

[0013] Optionally, the main control module uses STM32F407 as the main control MCU.

[0014] Optionally, the first sensor unit includes a liquid level sensor, a vibration sensor, a circulation sensor, a liquid level sensor, a manhole cover sensor and a settlement sensor.

[0015] Optionally, the second sensor unit includes a temperature and humidity sensor, an oxygen sensor, a carbon monoxide sensor, a methane sensor, and a hydrogen sulfide sensor.

[0016] Optionally, the device further comprises:

[0017] A power management module is electrically connected to the main control module, the sensor module and the execution module.

[0018] Optionally, a ventilation unit, a drainage pump unit, a fire protection unit and a lighting unit are provided in the execution module.

[0019] Optionally, the device further comprises an interaction module, wherein the interaction module is provided with a download debugging unit and a display unit;

[0020] The interaction module is electrically connected to the main control module.

[0021] Optionally, the device further includes a communication module, wherein the communication module is electrically connected to the main control module and the sensor module;

[0022] The communication module adopts at least one communication method among Ethernet, Wi-Fi, ZigBee and 5G communication protocols.

[0023] In a second aspect, the present application proposes a cable tunnel control system, comprising the cable tunnel control device described in any one of the first aspects.

[0024] The cable tunnel control device and system provided in this application includes a main control module, a sensor module, and an execution module. The sensor module includes a first sensor unit and a second sensor unit. The first sensor unit is electrically connected to the main control module via a 485 sensor, and the second sensor unit is electrically connected to the main control module via an analog sensor. The main control module is provided with a drive unit, which is electrically connected to the execution module. This improves the control efficiency and safety of cable tunnels. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0026] Figure 1 A schematic diagram of the overall structure of the cable tunnel control device provided in this application;

[0027] Figure 2 This is a schematic diagram of the structure of the main control module in the cable tunnel control device provided by this application;

[0028] Figure 3 This is a schematic diagram of the structure of the power management module in the cable tunnel control device provided in this application;

[0029] Figure 4 This is a schematic diagram of the structure of the cable tunnel control system provided in this application.

[0030] The above drawings illustrate specific embodiments of the present application, which will be described in more detail below. These drawings and the textual description are not intended to limit the scope of the present application in any way, but rather to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments. DETAILED DESCRIPTION

[0031] Exemplary embodiments will be described in detail herein, with examples illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

[0032] Existing cable tunnel monitoring systems often have significant limitations in monitoring scope and automation. They primarily focus on monitoring single environmental parameters (such as temperature, humidity, gas concentration, and water accumulation), and each monitoring module operates independently, lacking a systematic linkage mechanism. This fragmented monitoring approach prevents effective data integration and unified analysis, and results in slow response to abnormal situations, making it particularly inadequate in the enclosed, long-distance, and high-risk environments of cable tunnels.

[0033] To address the above issues, this technical solution proposes a modular cable tunnel control device. By providing a main control module, sensor module, execution module, and communication module, it achieves centralized collection and processing of monitoring data, breaking the limitations of independent operation of monitoring modules in existing systems. The main control module supports multiple interfaces (such as RS485 and analog interfaces) and is compatible with multiple sensor types, adapting to multi-dimensional environmental monitoring needs such as vibration, water level, and gas. At the same time, by linking the drive unit with the execution module, it achieves rapid response to equipment such as fans, drainage pumps, and fire protection devices, improving the system's automation and safety capabilities. Furthermore, the communication module supports multiple communication methods such as Ethernet, enabling remote data transmission and unified management, resolving the inflexible communication shortcomings of existing systems and meeting the monitoring needs of complex cable tunnel environments.

[0034] The following specific embodiments describe in detail the technical solution of the present application and how the technical solution of the present application solves the above-mentioned technical problems. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments. The embodiments of the present application will be described below in conjunction with the accompanying drawings.

[0035] Figure 1 This is a schematic diagram of the overall structure of the cable tunnel control device provided in this application. Figure 1 As shown, the cable tunnel control device 100 includes:

[0036] Main control module 101 , sensor module 102 and execution module 103 .

[0037] The sensor module 102 includes a first sensor unit 1021 and a second sensor unit 1022 .

[0038] The first sensor unit 1021 includes a liquid level sensor, a vibration sensor, a circulation sensor, a liquid level sensor, a manhole cover sensor and a settlement sensor, and these sensors are electrically connected to the main control module 101 through a 485 sensor.

[0039] Optionally, the second sensor unit 1022 includes a temperature and humidity sensor, an oxygen sensor, a carbon monoxide sensor, a methane sensor, and a hydrogen sulfide sensor. Each sensor in the second sensor unit 1022 is electrically connected to the main control module 101 through an analog sensor.

[0040] The main control module 101 is provided with a driving unit 1011 . The driving unit 1011 is electrically connected to the execution module 103 and is used to drive corresponding units according to data transmitted from the sensor module 102 .

[0041] The execution module 103 includes a ventilation unit 1031, a drainage pump unit 1032, a fire prevention unit 1033, and a lighting unit 1034. Specifically, when the sensor module 102 detects an abnormality, such as a water level exceeding a set threshold, the drive unit triggers the drainage pump unit 1032 to operate. When the methane or hydrogen sulfide concentration exceeds the specified level, the drive unit activates the ventilation unit 1031 for air circulation.

[0042] For example, hazardous gases include methane, carbon monoxide, and hydrogen sulfide. A 4-20mA gas sensor collects analog signals and transmits them to main control module 101. An analog converter on main control module 101 converts the current signals into digital signals, representing the actual values ​​of the hazardous gases. When a methane concentration exceeding 20%, a carbon monoxide concentration exceeding 0.0024%, a hydrogen sulfide concentration exceeding 0.00066%, or an oxygen concentration below 19% is detected, ventilation unit 1031 is automatically activated to ventilate the sealed cable tunnel, and personnel are prohibited from approaching or entering the tunnel until the gas data returns to normal.

[0043] Optionally, the device also includes a communication module electrically connected to the main control module 101 and the sensor module 102. The communication module utilizes at least one of Ethernet, Wi-Fi, ZigBee, and 5G communication protocols. The main control module 101 uploads data collected by the sensor module 102 to a remote monitoring platform via the communication module for real-time monitoring and data analysis. When the main control module 101 detects an alarm event, such as an oxygen concentration in the tunnel falling below 19% or an excessive carbon monoxide concentration, the system transmits the alarm information to the monitoring center via the communication module and simultaneously triggers a local audio and visual alarm.

[0044] Optionally, the device also includes an interactive module, which includes a download and debugging unit and a display unit. The interactive module is electrically connected to the main control module 101. Specifically, the display unit provides a visual display of real-time monitoring data on-site, allowing on-duty personnel to quickly understand the internal status of the tunnel, while the download and debugging unit allows technicians to update or optimize system parameters through the debugging interface.

[0045] To enhance the scalability and compatibility of the cable tunnel control device 100, it supports protocol parsing for various sensor types. For the first sensor unit 1021, the main control module 101 supports industrial communication (Modbus) protocol sensors with a 485 interface. Users can flexibly configure multiple sensors simply by setting sensor addresses and parameters. For the second sensor unit 1022, the main control module 101 includes a built-in 4-20mA sensor calibration function. Simply configuring the corresponding 4mA and 20mA ranges allows accurate data collection and upload to the remote monitoring platform, eliminating the need for frequent hardware or software modifications.

[0046] Figure 2 This is a schematic diagram of the structure of the main control module in the cable tunnel control device provided by this application. Figure 2As shown, the main control module 101 uses the STM32F407 as the main control MCU. The STM32F407 has high processing power, supports floating-point operations, and can efficiently process complex data. At the same time, its low-power design makes it suitable for monitoring equipment that operates for a long time. In addition, the STM32F407 has a rich peripheral interface, built-in multiple communication interfaces and ADC / DAC modules, and supports analog and digital signal processing. Based on these advantages, the main control module 101 can receive data from the sensor module 102, analyze and process the data, control the operation of the execution module 103, and exchange real-time information with the remote monitoring center through the communication module.

[0047] Optionally, the main control module 101 is further provided with an interface unit 1012 , which includes a network interface, a debugging interface, a display interface, an input interface, an output interface, an analog interface, and a sensor interface.

[0048] Among them, the network interface is used to upload monitoring data to the monitoring center via optical fiber transmission or Ethernet, which can support remote operation and management, provide the cable tunnel control device 100 with stable long-distance data transmission capabilities, and adapt to industrial-grade environment requirements.

[0049] The debugging interface is used for the development and debugging of the cable tunnel control device 100, supports firmware download, online debugging and parameter configuration, facilitates the maintenance and upgrade of the cable tunnel control device 100, and improves the overall development efficiency.

[0050] The display interface can be connected to a display screen to provide visual display of data for on-duty personnel. It supports multiple display modes and displays real-time data, alarm status and system operation logs, facilitating on-site monitoring of cable tunnels and improving the human-computer interaction experience.

[0051] The input interface and output interface support the input and output of digital signals and are used to connect alarms or trigger linkage devices of execution modules, thereby realizing linkage control among multiple devices in the cable tunnel control device 100 and enhancing the compatibility among various modules.

[0052] The analog interface is used to connect various analog sensors of the second sensor unit 1022 and supports 4-20mA signal input. The analog signal is converted into a digital signal for processing by the built-in ADC (analog-to-digital converter) of the main control module 101.

[0053] The sensor interface is connected to the first sensor unit 1021 based on the RS485 protocol. It is compatible with a variety of Modbus protocol devices, can realize cascade connection of multiple sensors, supports long-distance, anti-interference data transmission, and is suitable for complex cable tunnel environments.

[0054] Specifically, each sensor in the first sensor unit 1021 is electrically connected to the sensor interface in the main control module 101 via the RS485 interface, and is used to collect information such as environmental parameters in the tunnel, such as water level data, vibration status, and structural settlement status. Among them, water level data is obtained by monitoring the water accumulation in the tunnel through a liquid level sensor. When the water level data exceeds the threshold, the drainage pump is triggered to operate; the vibration status is obtained by monitoring the vibration status of the corridor structure and the stratum in real time through a vibration sensor, and an alarm is issued when the vibration status is abnormal; the structural settlement status is obtained by monitoring the cracks or opening and closing status of the tunnel through a settlement sensor, and the collected data is transmitted to the main control module 101 via RS485. Therefore, the RS485 interface supports long-distance communication and multi-sensor connection, is suitable for the complex environment in the cable tunnel, and helps to quickly discover abnormalities in the cable tunnel structure.

[0055] Each sensor in the second sensor unit 1022 is connected to the main control module 101 via an analog interface to monitor ambient gas composition and temperature and humidity changes in real time. For example, for gas monitoring, the oxygen sensor detects oxygen concentration and triggers an alarm when it falls below 19%. Carbon monoxide, methane, and hydrogen sulfide sensors monitor toxic gas concentrations and activate the ventilation unit when they exceed the limit. For environmental monitoring, the temperature and humidity sensor monitors the temperature and humidity inside the tunnel, triggering an alarm when the temperature exceeds 50°C or the humidity exceeds 60%.

[0056] For the main control module 101, after receiving the data from the sensor module 102, the main control module 101 uses the internal algorithm to analyze and process the data and respond according to different situations. For example, in the case of an abnormal alarm, when the data exceeds the set threshold, the alarm device is triggered through the I / O interface, and the alarm information is uploaded to the monitoring center through the network interface. The control equipment is linked to trigger the operation of the drainage pump unit according to the water level data, or the ventilation unit is started according to the gas concentration and oxygen concentration, or the sound and light alarm device is triggered according to the vibration data or the structural settlement. In addition, the data storage and upload can be controlled, the collected data can be recorded in real time, and uploaded to the monitoring center through the communication module to facilitate remote monitoring and subsequent analysis.

[0057] The main control module 101 provided in the embodiment of the present application adopts STM32F407 as the MCU, supports efficient data analysis and linkage control, and adapts to the needs of complex environments. In addition, the interface unit supports RS485 and 4-20mA standard sensors, realizing flexible expansion and reliable connection, thereby ensuring the safe operation of the cable tunnel.

[0058] Figure 3 This is a schematic diagram of the structure of the power management module in the cable tunnel control device provided by this application. Figure 3As shown, the cable tunnel control device 100 is also equipped with a power management module to provide a stable power supply function for the entire device. The power management module is electrically connected to the main control module 101, the sensor module 102 and the execution module 103.

[0059] Specifically, the power management module converts the 220VAC input voltage into multiple outputs through a voltage protector, including 24V, 12V, 5V, and 3.3V voltages, which are used to power the main control module 101, the sensor module 102, and the execution module 103, respectively. The power management module is designed with an automatic switching function. When the main power fails, it can quickly switch to the backup power supply to ensure the continuous operation of the system. In addition, in an emergency, such as when the manhole cover sensor in the first sensor unit 1021 detects illegal opening of the cover, or the infrared sensor detects unauthorized entry into the tunnel, the communication module and the interaction module will work together to automatically send an alarm message and prompt the on-site situation on the display unit so that the staff can deal with it in a timely manner.

[0060] Figure 4 This is a schematic diagram of the structure of the cable tunnel control system provided in this application. Figure 4 As shown, cable tunnel control system 400 includes a network switch, a main control module 101, a sensor module 102, and an execution module 103, forming an efficient and reliable cable tunnel monitoring and control network. Each component is connected via fiber optic transmission and Ethernet, forming an overall architecture with stable data transmission and responsiveness.

[0061] Network switches feature fiber optic transmission, supporting high-speed data transmission and long-distance connections. Fiber optics support ultra-high-speed data transmission, meeting the complex data demands of cable tunnel monitoring. Fiber optic transmission can reach tens of kilometers or even longer, making it ideal for the vast expanses of cable tunnels. Furthermore, because optical signals are unaffected by electromagnetic fields, fiber optics provide stable transmission despite interference from various electrical devices within cable tunnels.

[0062] Secondly, the network switch is equipped with eight network expansion ports, allowing it to connect multiple master control modules 101, sensor modules 102, or other devices. Connecting to the monitoring center via optical fiber, it transmits tunnel data to a remote server in real time. Furthermore, as the network hub of the entire cable tunnel control system, the network switch provides a stable communication channel for the master control module 101 and other components, enhancing the cable tunnel control system's scalability and supporting multi-point device access, ensuring fast and stable data transmission.

[0063] It should be noted that in this embodiment of the present application, main control module 101 is equipped with an Ethernet interface, which is directly connected to a network switch through the network port to achieve real-time data communication with the entire cable tunnel control system. Main control module 101 uploads the collected sensor data to the network switch via the Ethernet interface, and then transmits the data to the remote monitoring center via optical fiber, forming an efficient mechanism for real-time data upload.

[0064] Cable tunnel monitoring environments often require the collection of multiple environmental parameters, including water level, temperature and humidity, gas concentration, and vibration, while also requiring real-time control of equipment such as drainage pumps, fans, and alarms. The combination of fiber optics and Ethernet supports the efficient transmission and processing of massive amounts of data. The multi-port design of network switches ensures the flexibility of cable tunnel control system expansion, adapting to the large number and widespread distribution of devices in cable tunnel monitoring scenarios.

[0065] The cable tunnel control system provided in the embodiment of the present application meets the real-time transmission requirements of massive data in complex monitoring environments through the collaboration of optical fiber transmission and network switches. At the same time, the anti-electromagnetic interference characteristics of optical fiber ensure the stability of data transmission. The multi-port design of the network switch and the Ethernet function of the main control module make the cable tunnel control system easy to expand and upgrade, adapting to the ever-evolving monitoring needs of cable tunnels.

[0066] It should be understood that the above-described device embodiments are merely illustrative, and the device of the present application may also be implemented in other ways. For example, the division of units / modules in the above-described embodiments is merely a logical functional division, and actual implementations may employ other division methods. For example, multiple units, modules, or components may be combined or integrated into another system, or some features may be omitted or not implemented.

[0067] In addition, unless otherwise specified, the functional units / modules in the various embodiments of the present application may be integrated into a single unit / module, each unit / module may exist physically separately, or two or more units / modules may be integrated together. The aforementioned integrated units / modules may be implemented in the form of hardware or software program modules.

[0068] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the utility model disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. The description and examples are to be considered as exemplary only, and the true scope and spirit of the present application are indicated by the following claims.

[0069] It should be understood that the present application is not limited to the exact structure described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present application is limited only by the appended claims.

Claims

1. A cable tunnel control device, characterized in that: include: Main control module, sensor module and execution module; The sensor module includes a first sensor unit and a second sensor unit, the first sensor unit is electrically connected to the main control module through a 485 sensor, and the second sensor unit is electrically connected to the main control module through an analog sensor; The main control module is provided with a driving unit, and the driving unit is electrically connected to the execution module.

2. The device according to claim 1, characterized in that The main control module is also provided with an interface unit, which includes a network interface, a debugging interface, a display interface, an input interface, an output interface, an analog interface and a sensor interface; The main control module is electrically connected to the first sensor unit through the sensor interface; The main control module is electrically connected to the second sensor unit through the analog interface.

3. The device according to claim 1 or 2, characterized in that The main control module uses STM32F407 as the main control MCU.

4. The device according to claim 1 or 2, characterized in that The first sensor unit includes a liquid level sensor, a vibration sensor, a circulation sensor, a liquid level sensor, a manhole cover sensor and a settlement sensor.

5. The device according to claim 1 or 2, characterized in that The second sensor unit includes a temperature and humidity sensor, an oxygen sensor, a carbon monoxide sensor, a methane sensor, and a hydrogen sulfide sensor.

6. The device according to claim 1 or 2, characterized in that The device further comprises: A power management module is electrically connected to the main control module, the sensor module and the execution module.

7. The device according to claim 1 or 2, characterized in that The execution module is provided with a ventilation unit, a drainage pump unit, a fire protection unit and a lighting unit.

8. The device according to claim 1 or 2, characterized in that The device further comprises an interaction module, wherein the interaction module is provided with a download debugging unit and a display unit; The interaction module is electrically connected to the main control module.

9. The device according to claim 1 or 2, characterized in that The device further includes a communication module, wherein the communication module is electrically connected to the main control module and the sensor module; The communication module adopts at least one communication method among Ethernet, Wi-Fi, ZigBee and 5G communication protocols.

10. A cable tunnel control system, characterized in that: The cable tunnel control device comprises the cable tunnel control device according to any one of claims 1 to 9.

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