Cable trench combustible gas alarm detector

By deploying a combustible gas alarm detector in the cable trench, monitoring the combustible gas, water level and visual information in the cable trench, remote monitoring is achieved, solving the problems of low efficiency and high risk of manual inspection, reducing the risk of explosion and saving Labor costs.

CN119245721APending Publication Date: 2025-01-03GUANGXI POWER GRID CO LIUZHOU POWER SUPPLY BUREAU
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Patent Information

Application Number
CN202411188067.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-08-28
Publication Date
2025-01-03

AI Technical Summary

Technical Problem

The risk of explosion is caused by cable aging and the accumulation of combustible gases generated by microbial metabolism in the cable trench. The existing technology relies on manual inspections with low efficiency, high risk and difficulty in monitoring changes in gas concentration in real time.

Method used

A cable trench combustible gas alarm detector is designed, including a combustible gas monitoring module, a visual monitoring module, a water level monitoring module, a data acquisition terminal, a communication transmission layer and a 4G communication module. The rapid transmission and integration of data is achieved through the RS485 communication protocol. Provides remote monitoring function.

Benefits of technology

Achieve comprehensive monitoring of various conditions in the cable trench, timely and accurately obtain combustible gas concentration, water accumulation depth and visual information, reduce the operating risks of personnel in dangerous environments, save labor costs, and quickly send through 4G communication modules Data improves the stability and accuracy of data transmission.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a combustible gas alarm detector for a cable trench. The combustible gas alarm detector comprises a combustible gas monitoring module, a visual monitoring module, a water level monitoring module, a data acquisition terminal, a communication transmission layer and a 4G communication module, the combustible gas monitoring module monitors the concentration of combustible gas in a cable trench and transmits collected combustible gas data to the data collection terminal. The visual monitoring module collects visual information in a cable trench and transmits collected visual data to the data collection terminal. The water level monitoring module monitors the depth of accumulated water in the cable trench and transmits collected water level information to the data collection terminal. And the data acquisition terminal transmits the received combustible gas data, visual data and water level information to the 4G communication module through the communication transmission layer. According to the invention, remote monitoring of the cable trench can be realized, and related personnel do not need to frequently go to the site for manual inspection, so that the labor cost is saved, and the operation risk of the personnel in a dangerous environment is reduced.
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Description

Technical Field

[0001] The invention relates to the technical field of cable trenches, and in particular to a combustible gas alarm detector for a cable trench. Background Art

[0002] Cable trenches are underground passages used to lay cables in power systems and communication networks. Their internal environment is usually relatively closed and humid. In such an environment, combustible gases such as methane, hydrogen, and carbon monoxide may be produced due to the aging of cables, the decomposition of insulating materials, and the metabolism of microorganisms. If the accumulation of these gases reaches a certain concentration, once they encounter an ignition source, they may cause an explosion, posing a serious threat to personnel safety and equipment operation. However, the current monitoring of working conditions in cable trenches mainly relies on manual inspections, but this method is inefficient, risky, and difficult to monitor changes in gas concentrations in real time. Summary of the invention

[0003] The present invention provides a cable trench combustible gas alarm detector, which enables the staff to understand the condition of the cable trench in the first place, and take timely countermeasures when a cable trench fails, thus realizing remote monitoring. The relevant personnel do not need to frequently go to the site for manual inspection, which not only saves labor costs but also reduces the risk of personnel working in dangerous environments. The specific technical solution is as follows:

[0004] A cable trench combustible gas alarm detector, comprising a combustible gas monitoring module, a visual monitoring module, a water level monitoring module, a data acquisition terminal, a communication transmission layer and a 4G communication module;

[0005] A combustible gas monitoring module, which monitors the combustible gas concentration in the cable trench and transmits the collected combustible gas data to a data acquisition terminal;

[0006] A visual monitoring module, which collects visual information in the cable trench and transmits the collected visual data to a data acquisition terminal;

[0007] A water level monitoring module, which monitors the depth of water in the cable trench and transmits the collected water level information to a data acquisition terminal;

[0008] The data acquisition terminal transmits the received combustible gas data, visual data and water level information to the 4G communication module through the communication transmission layer; the communication transmission layer connects the data acquisition terminal and the 4G communication module through the RS485 communication protocol; the 4G communication module sends the data to the service platform through the communication network.

[0009] Preferably, it also includes a spherical housing, a sensor mounting tube, a base and a mounting sleeve; the visual monitoring module is a camera; the water level monitoring module is an ultrasonic sensor; the data acquisition terminal is a microprocessor

[0010] A spherical shell is installed inside the upper end of the installation sleeve, a sensor installation sleeve is installed on the outer side of the middle part, a power module, a battery and a microprocessor are installed at the lower end, and a base is installed at the bottom; a rotating shaft is installed in the middle of the spherical shell, an ultrasonic sensor is installed on the left side, and a camera is installed on the right side; the camera and the ultrasonic sensor are respectively connected to the microprocessor.

[0011] Preferably, a sensor is installed inside the sensor sleeve; the combustible gas monitoring module includes an oxygen sensor, a carbon monoxide sensor, a hydrogen sulfide sensor and a methane sensor; four sensor sleeves are installed in the middle of the installation sleeve, and the oxygen sensor, carbon monoxide sensor, hydrogen sulfide sensor and methane sensor are respectively installed in one sensor sleeve.

[0012] Preferably, it also includes a sealing rubber ring; a circle of sealing rubber ring is arranged in the middle of the spherical shell.

[0013] Preferably, it also includes a historical data server and a historical data management platform; the historical data server is used to store data collected by the data acquisition terminal; the historical data management platform is used to provide the staff with cable trench historical monitoring data management and query functions.

[0014] Preferably, it also includes an alarm data server and a fault alarm platform; the alarm data server is used to receive detection data and transmit alarm information; the fault alarm platform is used to analyze the received detection data and issue alarm information.

[0015] Preferably, it also includes a mobile client; the mobile client is connected to the historical data management platform and the fault alarm platform respectively through the 4G communication module to receive alarm information and provide historical data query function.

[0016] Preferably, it also includes a PC client; the PC client is connected to the historical data management platform and the fault alarm platform respectively through the 4G communication module to receive alarm information and provide historical data query function.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The present invention realizes comprehensive monitoring of various conditions in the cable trench through the coordinated work of the combustible gas monitoring module, the visual monitoring module and the water level monitoring module. It can timely and accurately obtain the combustible gas concentration, water accumulation depth and internal visual information, and can efficiently integrate the data from different monitoring modules through the data acquisition terminal; the communication transmission layer and the 4G communication module quickly send the data to the service platform, so that the relevant personnel can understand the condition of the cable trench at the first time, and can take countermeasures in time when the cable trench fails, realizing remote monitoring, and the relevant personnel do not need to frequently go to the site for manual inspection, which not only saves labor costs, but also reduces the operating risks of personnel in dangerous environments. In addition, the present invention transmits data through the RS485 communication protocol, which ensures the stability and accuracy of data during the transmission process, reduces the possibility of data loss and errors, and further improves the performance of the entire system. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the description of the prior art. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual scale.

[0020] Figure 1 It is a structural schematic diagram of the present invention;

[0021] Figure 2 FIG. 4 is a working schematic diagram of the camera of the present invention.

[0022] Figure 3 It is a working schematic diagram of the ultrasonic sensor of the present invention.

[0023] Figure ID:

[0024] 1-spherical shell, 2-sealing rubber ring, 3-camera, 4-rotating shaft, 5-sensor mounting tube, 6-line interface, 7-base, 8-power module, 9-battery, 10-microprocessor, 11-mounting sleeve, 12-ultrasonic sensor. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0027] It should also be understood that the terms used in the present specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used in the present specification and the appended claims, the singular forms "a", "an" and "the" are intended to include plural forms unless the context clearly indicates otherwise.

[0028] It should be further understood that the term "and / or" used in the present description and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0029] Example 1

[0030] As shown in the figure, a cable trench combustible gas alarm detector includes a combustible gas monitoring module, a visual monitoring module, a water level monitoring module, a data acquisition terminal, a communication transmission layer and a 4G communication module;

[0031] A combustible gas monitoring module, which monitors the combustible gas concentration in the cable trench and transmits the collected combustible gas data to a data acquisition terminal;

[0032] A visual monitoring module, which collects visual information in the cable trench and transmits the collected visual data to a data acquisition terminal;

[0033] A water level monitoring module, which monitors the depth of water in the cable trench and transmits the collected water level information to a data acquisition terminal;

[0034] The data acquisition terminal transmits the received combustible gas data, visual data and water level information to the 4G communication module through the communication transmission layer; the communication transmission layer connects the data acquisition terminal and the 4G communication module through the RS485 communication protocol; the 4G communication module sends the data to the service platform through the communication network.

[0035] The working principle of this embodiment:

[0036] The present invention is an instrument that can be fixedly installed in a cable trench and continuously detect the concentration of combustible gas, oxygen, and methane gas in the working environment. The combustible gas monitoring module uses a natural diffusion method to detect the gas concentration, is suitable for use in closed places, and can realize real-time online monitoring. Data is transmitted through a 4G communication module, and the traditional LED digital display is abandoned, so that mobile devices such as mobile phones and computers can display the concentration value of the leaked gas in real time. The visual monitoring module collects visual information in the cable trench and can provide the staff with an intuitive internal environment of the cable trench. The water level monitoring module is used to monitor the water accumulation state in the cable trench.

[0037] Example 2

[0038] This embodiment is different from the first embodiment in that it also includes a spherical housing, a sensor mounting tube, a base and a mounting sleeve; the visual monitoring module is a camera; the water level monitoring module is an ultrasonic sensor; the data acquisition terminal is a microprocessor

[0039] A spherical shell is installed inside the upper end of the installation sleeve, a sensor installation sleeve is installed on the outer side of the middle part, a power module, a battery and a microprocessor are installed at the lower end, and a base is installed at the bottom; a rotating shaft is installed in the middle of the spherical shell, an ultrasonic sensor is installed on the left side, and a camera is installed on the right side; the camera and the ultrasonic sensor are respectively connected to the microprocessor.

[0040] The working principle of this embodiment is the same as that of Embodiment 1.

[0041] The spherical housing can rotate along the rotating shaft, the camera is used to obtain image information in the cable trench, and the ultrasonic sensor is used to detect whether there is water accumulation in the cable trench. The battery is used to provide power to the power module, the microprocessor, the camera and the ultrasonic sensor. A line interface is provided at the lower end of the installation sleeve, and data received by the microprocessor can be transmitted to the outside through a wired connection.

[0042] Example 3

[0043] The difference between this embodiment and embodiment 2 is that a sensor is installed inside the sensor sleeve; the combustible gas monitoring module includes an oxygen sensor, a carbon monoxide sensor, a hydrogen sulfide sensor and a methane sensor; four sensor sleeves are installed in the middle of the installation sleeve, and the oxygen sensor, carbon monoxide sensor, hydrogen sulfide sensor and methane sensor are respectively installed in one sensor sleeve.

[0044] By installing oxygen sensors, carbon monoxide sensors, hydrogen sulfide sensors and methane sensors in the sensor sleeve, a comprehensive monitoring of various combustible gases that may exist in the cable trench is carried out. By reasonably distributing them in the middle of the installation sleeve, it is ensured that each sensor can accurately sense the gas concentration.

[0045] The working principle of this embodiment is the same as that of Embodiment 1.

[0046] Example 4

[0047] This embodiment differs from Embodiment 3 in that it further includes a sealing rubber ring; a circle of sealing rubber ring is arranged in the middle of the spherical shell. The sealing rubber ring plays a sealing role, and the mounting sleeve is installed on the top surface of the cable trench through the base. When the camera is working, it is horizontally arranged at the upper end of the mounting sleeve, and the mounting sleeve has an opening on the side where the camera is located. The camera is aimed at the opening to collect image information in the cable trench, and the sealing rubber ring is in a vertical position at this time; when the camera captures water accumulation in the cable trench, the spherical shell rotates, the camera faces downward, and the ultrasonic sensor rotates to the top surface of the mounting sleeve to detect the depth of water accumulation in the cable trench. At this time, the sealing rubber ring is in a horizontal position, and the inner ring of the mounting sleeve is sealed to prevent water from entering the mounting sleeve.

[0048] The working principle of this embodiment is the same as that of Embodiment 1.

[0049] Example 5

[0050] This embodiment differs from Embodiment 4 in that it further includes a historical data server and a historical data management platform; the historical data server is used to store the data collected by the data acquisition terminal; the historical data management platform is used to provide the staff with the functions of managing and querying the historical monitoring data of the cable trench. The historical data server and the historical data management platform are introduced to store and manage the data collected by the data acquisition terminal. The staff can conveniently query and analyze the historical monitoring data of the cable trench through the historical data management platform to understand the long-term operating status and change trends.

[0051] The working principle of this embodiment is the same as that of Embodiment 1.

[0052] Example 6

[0053] This embodiment differs from Embodiment 5 in that it further includes an alarm data server and a fault alarm platform; the alarm data server is used to receive detection data and transmit alarm information; the fault alarm platform is used to analyze the received detection data and issue alarm information. By setting up an alarm data server and a fault alarm platform, detection data is received and analyzed in real time. Once an abnormal situation is found, an alarm information can be quickly issued to promptly notify relevant personnel to take emergency measures. The alarm information includes notifying the staff by text message, phone call, etc.

[0054] The working principle of this embodiment is the same as that of Embodiment 1.

[0055] Example 7

[0056] This embodiment differs from Embodiment 6 in that it further includes a mobile client; the mobile client is connected to the historical data management platform and the fault alarm platform respectively through the 4G communication module to receive alarm information and provide historical data query functions. The addition of the mobile client enables the staff to receive alarm information and query historical data anytime and anywhere through mobile devices such as mobile phones, thereby improving the convenience and flexibility of work.

[0057] The working principle of this embodiment is the same as that of Embodiment 1.

[0058] Example 8

[0059] This embodiment differs from Embodiment 7 in that it further includes a PC client; the PC client is connected to the historical data management platform and the fault alarm platform respectively through the 4G communication module to receive alarm information and provide historical data query functions. The PC client is connected to the historical data management platform and the fault alarm platform through the 4G communication module, providing more stable and efficient data query and alarm receiving functions for office workers, meeting the needs of different work scenarios.

[0060] The working principle of this embodiment is the same as that of Embodiment 1.

[0061] In summary, the present invention realizes comprehensive monitoring of various conditions in the cable trench through the coordinated work of the combustible gas monitoring module, the visual monitoring module and the water level monitoring module. It can timely and accurately obtain the combustible gas concentration, water accumulation depth and internal visual information, and can efficiently integrate the data from different monitoring modules through the data acquisition terminal; the communication transmission layer and the 4G communication module quickly send the data to the service platform, so that the relevant personnel can understand the condition of the cable trench at the first time, and can take countermeasures in time when the cable trench fails, realizing remote monitoring, and the relevant personnel do not need to frequently go to the site for manual inspection, which not only saves labor costs, but also reduces the operating risks of personnel in dangerous environments. In addition, the present invention transmits data through the RS485 communication protocol, which ensures the stability and accuracy of data during the transmission process, reduces the possibility of data loss and errors, and further improves the performance of the entire system.

[0062] Those of ordinary skill in the art will appreciate that the units of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two. In order to clearly illustrate the interchangeability of hardware and software, the composition of each example has been generally described in terms of function in the above description. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the present invention.

[0063] In the embodiments provided by the present invention, it should be understood that the division of units is only a logical function division, and there may be other division methods in actual implementation, for example, multiple units can be combined into one unit, one unit can be split into multiple units, or some features can be ignored, etc.

[0064] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0065] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, in essence, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for a computer device (which can be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: U disk, read-only memory (ROM, Read-0nlyMemory), random access memory (RAM, RandomAccessMemory), mobile hard disk, magnetic disk or optical disk, etc., which can store program code.

[0066] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A cable trench combustible gas alarm detector, characterized in that: Including combustible gas monitoring module, visual monitoring module, water level monitoring module, data acquisition terminal, communication transmission layer and 4G communication module; A combustible gas monitoring module, which monitors the combustible gas concentration in the cable trench and transmits the collected combustible gas data to a data acquisition terminal; A visual monitoring module, which collects visual information in the cable trench and transmits the collected visual data to a data acquisition terminal; A water level monitoring module, which monitors the depth of water in the cable trench and transmits the collected water level information to a data acquisition terminal; The data acquisition terminal transmits the received combustible gas data, visual data and water level information to the 4G communication module through the communication transmission layer; the communication transmission layer connects the data acquisition terminal and the 4G communication module through the RS485 communication protocol; the 4G communication module sends the data to the service platform through the communication network.

2. A cable trench combustible gas alarm detector according to claim 1, characterized in that: It also includes a spherical housing, a sensor mounting tube, a base and a mounting sleeve; the visual monitoring module is a camera; the water level monitoring module is an ultrasonic sensor; the data acquisition terminal is a microprocessor A spherical shell is installed inside the upper end of the installation sleeve, a sensor installation sleeve is installed on the outer side of the middle part, a power module, a battery and a microprocessor are installed at the lower end, and a base is installed at the bottom; a rotating shaft is installed in the middle of the spherical shell, an ultrasonic sensor is installed on the left side, and a camera is installed on the right side; the camera and the ultrasonic sensor are respectively connected to the microprocessor.

3. A cable trench combustible gas alarm detector according to claim 2, characterized in that: The sensor is installed inside the sensor sleeve; the combustible gas monitoring module includes an oxygen sensor, a carbon monoxide sensor, a hydrogen sulfide sensor and a methane sensor; four sensor sleeves are installed in the middle of the installation sleeve, and the oxygen sensor, carbon monoxide sensor, hydrogen sulfide sensor and methane sensor are respectively installed in one sensor sleeve.

4. A cable trench combustible gas alarm detector according to claim 2, characterized in that: It also includes a sealing rubber ring; a circle of sealing rubber ring is arranged in the middle of the spherical shell.

5. A cable trench combustible gas alarm detector according to claim 1, characterized in that: It also includes a historical data server and a historical data management platform; the historical data server is used to store data collected by the data acquisition terminal; the historical data management platform is used to provide the staff with cable trench historical monitoring data management and query functions.

6. A cable trench combustible gas alarm detector according to claim 5, characterized in that: It also includes an alarm data server and a fault alarm platform; the alarm data server is used to receive detection data and transmit alarm information; the fault alarm platform is used to analyze the received detection data and issue alarm information.

7. A cable trench combustible gas alarm detector according to claim 6, characterized in that: It also includes a mobile client; the mobile client is connected to the historical data management platform and the fault alarm platform respectively through the 4G communication module to receive alarm information and provide historical data query function.

8. A cable trench combustible gas alarm detector according to claim 6, characterized in that: It also includes a PC client; the PC client is connected to the historical data management platform and the fault alarm platform respectively through the 4G communication module to receive alarm information and provide historical data query function.