OPGW optical cable monitoring platform and monitoring method

Abstract

The application provides an OPGW optical cable monitoring platform, which comprises a tower, a splice box fixed on the tower, an optical cable joint connected with the splice box, a communication device arranged outside the splice box and a terminal, the splice box comprises a box body, an optical fiber insulator, an inclination sensor and a temperature and humidity sensor arranged in the box body, a containing pipe is arranged in the box body, and the temperature and humidity sensor is arranged in the containing pipe; the optical cable joint is fixed to one end of the optical fiber insulator away from the box body, the optical cable joint comprises a shell, a first wire arranged in the shell and a second wire connected with the first wire in parallel; the communication device comprises a power supply module, a detection module and a communication module, the communication module is electrically connected with the inclination sensor and the temperature and humidity sensor respectively, and the terminal is used for controlling the opening and closing of the power supply module.

Description

Technical Field

[0001] This invention belongs to the field of power grid monitoring technology, specifically relating to an OPGW optical cable monitoring platform and monitoring method. Background Technology

[0002] OPGW stands for Fiber Optic Composite Overhead Ground Wire, or simply OPGW optical cable. Existing OPGW optical cables are connected on poles and towers through splice boxes. The splice box serves as a protective component for the splicing of optical fibers and is an essential and crucial piece of equipment in the construction of optical cable lines. The quality of the splice box directly affects the quality and lifespan of the optical cable line.

[0003] After the splice box is fixed on the pole and connected to the OPGW optical cable, it is suspended on the pole at a high height. After installation, the working status of the splice box cannot be directly observed. Workers need to go to the pole regularly to measure it to determine whether there is any damage to the splice box. The regular inspection by workers not only increases the workload of workers, but also poses a safety hazard due to the height of the pole. In addition, there is no effective means to obtain the status of the optical cable connected to the splice box. Summary of the Invention

[0004] This invention provides an OPGW optical cable monitoring platform and method, aiming to solve the technical problem that the status of existing splice boxes and optical cables cannot be directly obtained, requiring workers to regularly go to the towers to measure, which increases the workload of workers and poses safety hazards for high-altitude operations.

[0005] In a first aspect, embodiments of the present invention provide an OPGW optical cable monitoring platform, including a pole, a splice box fixed on the pole, an optical cable connector connected to the splice box, a communication device located outside the splice box, and a terminal. The splice box includes a box body, an optical fiber insulator, an angle sensor and a temperature and humidity sensor located inside the box body, and a receiving tube provided inside the box body. The receiving tube has ventilation holes on its side wall, and the temperature and humidity sensor is placed inside the receiving tube. The optical cable connector is fixed to the end of the optical fiber insulator away from the box body. The optical cable connector includes a housing, a first wiring inside the housing, and a second wiring connected in parallel with the first wiring. The first wiring is used to connect to the optical cable. The communication device is fixed outside the splice box and includes a power supply module, a detection module, and a communication module. The communication module is electrically connected to the angle sensor and the temperature and humidity sensor, respectively. The detection module is electrically connected to the second wiring. The terminal is used to control the power supply module to turn on and off.

[0006] In conjunction with the first aspect, in one possible implementation, the junction box is provided with a first mounting plate and a second mounting plate. The first mounting plate is fixed to the bottom of the box body, and one side of the second mounting plate is fixed to one side of the first mounting plate. The second mounting plate and the first mounting plate form an acute angle. The tilt sensor is fixed to the second mounting plate. A receiving space is formed between the first mounting plate and the second mounting plate, and the receiving tube is located within the receiving space.

[0007] In conjunction with the first aspect, in one possible implementation, the first mounting plate is provided with two sets of mounting components, which are respectively fixed to both ends of the receiving tube. Each mounting component includes a first clamping block, a second clamping block, and a bolt. The top surface of the first clamping block is provided with a recessed first groove, and the bottom surface of the second clamping block is provided with a recessed second groove. The inner circumferential surfaces of the first groove and the second groove are both in contact with the outer circumferential surface of the receiving tube. The first clamping block, the second clamping block, and the first mounting plate are all provided with through holes for the bolt to pass through. The bottom of the box body is provided with an internal threaded hole corresponding to the through hole, and the internal threaded hole is screwed to the bolt.

[0008] In conjunction with the first aspect, in one possible implementation, the communication device further includes a communication line and a thermally conductive film wrapped around the outer periphery of the communication line. The communication line extends into the receiving tube and is electrically connected to the temperature and humidity sensor. The thermally conductive film and the communication line are spaced apart and enclosed to form an air duct. The air duct communicates with the inner cavity of the receiving tube. An air inlet communicating with the blower is provided on the thermally conductive film. The blower is electrically connected to the power supply module.

[0009] In conjunction with the first aspect, in one possible implementation, the OPGW optical cable monitoring platform further includes a solar power generation device connected to the power supply module. The solar power generation device includes a fixed frame fixed to the tower, a motor fixed to the fixed frame, and a solar panel fixed to the output shaft of the motor. Multiple thermocouples are fixed on the solar panel and spaced along a first preset path. The first preset path is perpendicular to the output shaft of the motor. The multiple thermocouples and the motor are all communicatively connected to the terminal.

[0010] The terminal is used to adjust the rotation angle of the motor output shaft according to the reading of the thermocouple.

[0011] In conjunction with the first aspect, in one possible implementation, the solar power generation device further includes a plurality of electric heating plates fixed to the back of the solar panel, a linear module fixed to the top edge of the solar panel, and a scraper running along the linear module. The plurality of electric heating plates are arranged in an array, and the scraper is parallel to one side of the solar panel and perpendicular to the extension path of the linear module.

[0012] In conjunction with the first aspect, in one possible implementation, the solar power generation device further includes a housing covering the outside of the linear module, the housing having a groove for the scraper to extend from, and a plurality of the thermocouples fixed to the housing.

[0013] In conjunction with the first aspect, in one possible implementation, the junction box further includes an alarm located outside the box and a fire-fighting component located at the top of the box. The fire-fighting component includes a flame-retardant foam board, a heating wire, and fire-fighting sand. The outer edge of the flame-retardant foam board is fixed to the inner wall of the box. The heating wire is electrically connected to the power supply module and its end abuts against the flame-retardant foam board. The fire-fighting sand fills the box and is located on top of the flame-retardant foam board.

[0014] In conjunction with the first aspect, in one possible implementation, the flame-retardant foam board is conical, and its inner diameter gradually decreases from top to bottom.

[0015] The solution described in this application, compared with the prior art, involves connecting the optical cable to the fiber optic insulator inside the splice box after passing through an optical cable connector before use, and then splicing it with the fiber storage tray inside the splice box. After the optical cable and splice box are connected, the splice box is fixed to the tower. During the fixing process, the reading of the tilt sensor can be observed to determine whether the splice box is misaligned, and the reading of the tilt sensor is recorded as the initial value after the splice box is fixed. During normal use, the temperature and humidity sensor records the temperature and humidity inside the splice box in real time, and the tilt sensor records the tilt angle of the splice box in real time. This data is transmitted to the communication module, which transmits a set of data to the terminal at regular intervals for recording, facilitating communication with the terminal. The terminal checks the status of the splice box within a certain period of time. The first and second wires on the optical cable connector are connected in parallel, which ensures that while the optical cable is connected to the splice box, the detection module measures the real-time voltage and current values ​​of the optical cable through the second wire. The detection module records the voltage and current values ​​of the optical cable in real time and transmits them to the communication module. The communication module transmits a set of data to the terminal at regular intervals for recording, which facilitates the checking of the status of the optical cable within a certain period of time, thereby determining whether the optical cable has encountered cumulative current, leakage, or other issues. The communication equipment also includes a power supply module, which can supply power to all devices that require electricity, such as temperature and humidity sensors and detection modules, to ensure the continuity of data transmission and avoid interruption of detection status due to power failure.

[0016] Secondly, embodiments of the present invention also provide an OPGW optical cable monitoring method, implemented through the aforementioned OPGW optical cable monitoring platform, comprising the following steps:

[0017] S10: The terminal acquires the temperature, humidity and tilt angle inside the box, and the detection module is connected to the second wiring to acquire the current value and voltage value of the optical cable;

[0018] S20: When the temperature inside the box is greater than a first preset value and the humidity is greater than a second preset value, the power supply module is powered on; when the temperature inside the box is less than the first preset value, the power supply module is powered on; when the temperature inside the box is greater than the first preset value and the humidity is less than the second preset value, the power supply module stops supplying power to the connector box.

[0019] S30: The terminal records the historical current and voltage values ​​of the optical cable, measures the real-time current and voltage values ​​of the optical cable at preset intervals, calculates the difference between the current values ​​on adjacent sides and the difference between two adjacent voltage values, and when the difference between the current value or voltage value is greater than a third preset value, the power supply module stops supplying power to the junction box.

[0020] Compared with the prior art, the solution shown in this application embodiment allows the terminal to record temperature, humidity, the tilt angle of the splice box, and the current and voltage values ​​of the optical cable in real time during use. By analyzing the temperature, humidity, the tilt angle of the splice box, and the current and voltage values ​​of the optical cable according to the above judgment criteria, the current status of the splice box and the optical cable can be obtained in a timely manner, which facilitates overall monitoring. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the main structure of the OPGW optical cable monitoring platform provided in an embodiment of the present invention;

[0022] Figure 2 This is a partial cross-sectional structural diagram of the splice box used in an embodiment of the present invention;

[0023] Figure 3 This is a side view of the first and second mounting plates used in an embodiment of the present invention. Figure 2 (Right-view perspective);

[0024] Figure 4 This is a schematic cross-sectional view of the receiving tube used in an embodiment of the present invention (and...). Figure 2 (Same perspective);

[0025] Figure 5 This is a side view of the solar power generation device used in an embodiment of the present invention. Figure 1 (Right-view perspective).

[0026] Explanation of reference numerals in the attached figures:

[0027] 10-tower;

[0028] 20-Connection box; 21-Box body; 22-Fiber optic insulator; 23-Tilt sensor; 24-Temperature and humidity sensor; 25-Receiving tube; 251-Ventilation hole; 26-First mounting plate; 27-Second mounting plate; 28-Mounting assembly; 281-First clamping block; 282-Second clamping block; 283-Bolt; 29-Alarm;

[0029] 30 - Optical fiber connector; 31 - Outer shell; 32 - First connector; 33 - Second connector;

[0030] 40 - Communication equipment; 41 - Power supply module; 42 - Detection module; 43 - Communication module; 44 - Communication cable; 45 - Thermal conductive film;

[0031] 50-Fire-fighting components; 51-Flame-retardant foam board; 52-Heating wire; 53-Fire-fighting sand;

[0032] 60 - Blower;

[0033] 70-Solar power generation device; 71-Fixed frame; 72-Motor; 73-Solar panel; 74-Thermocouple; 75-Electric heating plate; 76-Linear module; 77-Scraper; 78-Cover; 79-Slide groove. Detailed Implementation

[0034] To make the technical problems to be solved, the technical solutions, and the beneficial effects of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0035] Please refer to the following: Figures 1 to 5The OPGW optical cable monitoring platform provided by this invention will now be described. The OPGW optical cable monitoring platform includes a pole 10, a splice box 20 fixed to the pole 10, an optical cable connector 30 connected to the splice box 20, a communication device 40 located outside the splice box 20, and a terminal. The splice box 20 includes a box body 21, an optical fiber insulator 22, an angle sensor 23 and a temperature and humidity sensor 24 located inside the box body 21, a receiving tube 25 inside the box body 21, and a ventilation hole 251 on the side wall of the receiving tube 25. The temperature and humidity sensor 24 is placed inside the receiving tube 25. The optical cable connector 30 is fixed to the optical fiber insulator 22. At one end away from the housing 21, the optical cable connector 30 includes a housing 31, a first wiring 32 disposed inside the housing 31, and a second wiring 33 connected in parallel with the first wiring 32. The first wiring 32 is used to connect to the optical cable. The communication device 40 is fixed outside the connector box 20. The communication device 40 includes a power supply module 41, a detection module 42, and a communication module 43. The communication module 43 is electrically connected to the tilt sensor 23 and the temperature and humidity sensor 24, respectively. The detection module 42 is electrically connected to the second wiring 33. The terminal is used to control the power supply module 41 to turn on and off.

[0036] Compared with existing technologies, the OPGW optical cable monitoring platform provided in this embodiment, before use, connects the optical cable to the optical fiber insulator 22 inside the splice box 20 through the optical cable connector 30, and splices it with the fiber storage tray inside the splice box 20. After the optical cable and splice box 20 are connected, the splice box 20 is fixed to the tower 10. During the fixing process, the reading of the tilt sensor 23 can be observed to determine whether the installation of the splice box 20 is skewed, and the reading of the tilt sensor 23 is recorded as the initial value after the splice box 20 is fixed. During normal use, the temperature and humidity sensor 24 records the temperature and humidity inside the splice box 20 in real time, and the tilt sensor 23 records the tilt angle of the splice box 20 in real time. This data is transmitted to the communication module 43, and the communication module 43 transmits a set of data to the terminal for recording at regular intervals. The system facilitates the inspection of the status of the splice box 20 over a certain period of time via the terminal. The first wiring 32 and the second wiring 33 on the optical cable connector 30 are connected in parallel, which ensures that while the optical cable is connected to the splice box 20, the detection module 42 measures the real-time voltage and current values ​​of the optical cable through the second wiring 33. The detection module 42 records the voltage and current values ​​of the optical cable in real time and transmits them to the communication module 43. The communication module 43 transmits a set of data to the terminal at regular intervals for recording, which facilitates the inspection of the status of the optical cable over a certain period of time, thereby determining whether the optical cable has encountered cumulative current, leakage, or other issues. The communication device 40 also includes a power supply module 41, which can supply power to all devices that require power, such as the temperature and humidity sensor 24 and the detection module 42, to ensure the continuity of data transmission and avoid interruption of the detection status due to power failure.

[0037] In some embodiments, an improved implementation of the above-described connector box 20 may employ, as follows: Figures 2 to 3 The structure shown. See also Figures 2 to 3 The junction box 20 is provided with a first mounting plate 26 and a second mounting plate 27. The first mounting plate 26 is fixed to the bottom of the box body 21. One side of the second mounting plate 27 is fixed to one side of the first mounting plate 26. The second mounting plate 27 and the first mounting plate 26 form an acute angle. The tilt sensor 23 is fixed to the second mounting plate 27. The first mounting plate 26 and the second mounting plate 27 form a receiving space. The receiving tube 25 is located in the receiving space. The included angle between the first mounting plate 26 and the second mounting plate 27 is a fixed value. The first mounting plate 26 is installed horizontally inside the housing 21. Therefore, the reading of the tilt sensor 23 after installation should be the same as the reading of the included angle between the first mounting plate 26 and the second mounting plate 27. By observing the reading of the tilt sensor 23 during installation, it can be determined whether the first mounting plate 26 is horizontal. The receiving tube 25 is located in the receiving space, which can reduce the space occupied by the temperature and humidity sensor 24 and the tilt sensor 23 in the housing 21. This facilitates the splicing of the optical cable with the fiber storage tray in the housing 21 and can also appropriately reduce the volume and weight of the splice box 20, making it easier to install the splice box 20 on the pole 10.

[0038] Specifically, the first mounting plate 26 and the second mounting plate 27 can be movably connected by a pivot. After the first mounting plate 26 is fixed on the box 21, the angle between the second mounting plate 27 and the first mounting plate 26 can be adjusted by the pivot to ensure that the volume of the accommodating space can adapt to the size and specifications of the accommodating tube 25. After the angle of the second mounting plate 27 is adjusted, it can be fixed in the following ways: (1) A support rod is set between the first mounting plate 26 and the second mounting plate 27. The support rod is telescopic. A recess is set on the side of the second mounting plate 27 facing the first mounting plate 26. After the second mounting plate 27 is adjusted, the end of the support rod abuts in the corresponding recess to fix the second mounting plate 27; (2) The side of the second mounting plate 27 that is fixed to the first mounting plate 26 has a fixing ear. The fixing ear has a hole through which the pivot passes. The end of the pivot is screwed with a screw. After the second mounting plate 27 is adjusted, the screw is tightened. The head of the screw can cooperate with the end face of the pivot to clamp the fixing ear of the second mounting plate 27 to fix the second mounting plate.

[0039] In some embodiments, a specific method for fixing the aforementioned receiving tube 25 may be as follows: Figures 2 to 4 The structure shown. See also Figures 2 to 4The first mounting plate 26 is provided with two sets of mounting components 28, which are respectively fixed to both ends of the receiving tube 25. Each mounting component 28 includes a first clamping block 281, a second clamping block 282, and a bolt 283. The top surface of the first clamping block 281 is provided with a recessed first groove, and the bottom surface of the second clamping block 282 is provided with a recessed second groove. The inner circumferential surfaces of the first groove and the second groove are both in contact with the outer circumferential surface of the receiving tube 25. The first clamping block 281, the second clamping block 282, and the first mounting plate 26 are all provided with through holes for the bolt 283 to pass through. The bottom of the box body 21 is provided with an internal threaded hole corresponding to the through hole, and the internal threaded hole is screwed to the bolt 283. The first clamping block 281 and the second clamping block 282 cooperate to clamp one end of the receiving tube 25. After the positions of the first clamping block 281 and the second clamping block 282 are adjusted, the bolt 283 is passed through the second clamping block 282, the first clamping block 281 and the first mounting plate 26 in sequence, and connected to the internal threaded hole of the box body 21. After the bolt 283 is connected, the first mounting plate 26, the first clamping block 281 and the second clamping block 282 can be fixed at the same time, simplifying the installation steps and reducing the installation difficulty. The first groove and the second groove can fit against the outer wall of the receiving tube 25, improving the installation stability of the receiving tube 25.

[0040] To improve the contact between the receiving tube 25 and the internal space of the box 21, the vent 251 can be an elongated hole, with its major axis parallel to the axial direction of the receiving tube 25, and multiple holes evenly distributed around the axis of the receiving tube 25; or the vent 251 can be a circular hole, with multiple circular holes arranged in a row along the axial direction of the receiving tube 25, and multiple rows evenly distributed around the axial direction of the receiving tube 25. The various configurations of the vent 251 can be selected according to actual needs.

[0041] In some embodiments, an improved implementation of the communication device 40 described above may employ, as follows: Figure 4 The structure shown. See also Figure 4The communication device 40 also includes a communication line 44 and a heat-conducting film 45 wrapped around the communication line 44. The communication line 44 extends into the receiving tube 25 and is electrically connected to the temperature and humidity sensor 24. The heat-conducting film 45 and the communication line 44 are spaced apart and enclosed to form an air duct. The air duct is connected to the inner cavity of the receiving tube 25. A blower 60 that is electrically connected to the power supply module 41 is also fixed to the outside of the connector box 20. An air inlet that is connected to the blower 60 is opened on the heat-conducting film 45. When the temperature measured by the temperature and humidity sensor 24 is lower than the first preset value and the humidity is higher than the second preset value, the blower 60 is turned on and blows air into the air duct. Since the communication line 44 continuously supplies power to the temperature and humidity sensor 24, the communication line 44 generates a certain amount of heat. When the air blows through the air duct, it cools down the communication line 44. At the same time, the heat generated by the communication line 44 increases the temperature of the air flowing through it. The air flows through the receiving tube 25 to dry the inside of the receiving tube 25, and then flows out from the vent 251 to dry the inside of the box 21. The heat-conducting film 45 can be directly sleeved on both ends of the receiving tube 25. Since the first clamp 281 and the second clamp 282 clamp and fix the ends of the receiving tube 25, the heat-conducting film 45 can be clamped while fixing the receiving tube 25, ensuring a sealed connection between the heat-conducting film 45 and the receiving tube 25.

[0042] It should be noted that communication lines 44 are provided at both ends of the temperature and humidity sensor 24. The two communication lines 44 are connected to the positive and negative terminals of the power supply module 41 respectively to realize the flow of current. Therefore, the heat-conducting film 45 is also provided at both ends of the temperature and humidity sensor 24. Air is blown into the box 21 from one air duct and flows out from the other air duct to realize the air circulation, dry the receiving tube 25 and the box 21, avoid short circuits and leakage caused by excessive humidity, and also avoid high air pressure inside the box 21 due to continuous airflow.

[0043] It is easy to imagine that the blower 60 can be set at the bottom of the junction box 20, or a baffle can be provided on the outer periphery of the blower 60 to prevent the blower 60 from short-circuiting due to rain and affecting its use.

[0044] In some embodiments, an improved implementation of the above-described OPGW optical cable monitoring platform can adopt the following approach: Figure 1 and Figure 5 The structure shown. See also Figure 1 and Figure 5The OPGW optical cable monitoring platform also includes a solar power generation device 70 connected to the power supply module 41. The solar power generation device 70 includes a fixed frame 71 fixed to the tower 10, a motor 72 fixed to the fixed frame 71, and a solar panel 73 fixed to the output shaft of the motor 72. Multiple thermocouples 74 are fixed on the solar panel 73 and spaced along a first preset path. The first preset path is perpendicular to the output shaft of the motor 72. The multiple thermocouples 74 and the motor 72 are all connected to a terminal for communication. The terminal is used to adjust the rotation angle of the output shaft of the motor 72 according to the readings of the thermocouples 74.

[0045] Thermocouple 74 is composed of two wires of different metals. When one end is exposed to light, due to light absorption and heat conduction, the heat generated at that end is greater than that at the other end, thus creating an electromotive force difference between the two ends. By measuring this electromotive force difference, the intensity of the light can be obtained. Multiple thermocouples 74 can be used to obtain the light intensity at different locations on the solar panel 73. Based on the readings of the thermocouples 74, the center of the solar panel 73 can be aligned with the thermocouple 74 with the highest reading, improving power generation efficiency. The electricity generated by the solar panel 73 can be stored in the power supply module 41.

[0046] For example, the solar panel 73 is equipped with 6 thermocouples 74. The motor 72 controls the rotation angle of the solar panel 73 within a range of 120°. When the solar panel 73 is in the initial position, the rightmost thermocouple 74 has the largest reading. At this time, the terminal turns on the motor 72, and the motor 72 drives the solar panel to rotate 60° to the right.

[0047] In some embodiments, an improved implementation of the solar power generation device 70 described above may employ, as follows: Figure 1 and Figure 5 The structure shown. See also Figure 1 and Figure 5 The solar power generation device 70 also includes multiple electric heating plates 75 fixed to the back of the solar panel 73, a linear module 76 fixed to the top edge of the solar panel 73, and a scraper 77 that travels along the linear module 76. The multiple electric heating plates 75 are arranged in an array, and the scraper 77 is parallel to one side of the solar panel 73 and perpendicular to the extension path of the linear module 76. Since the main working environment of the pole 10 is outdoors, the solar power generation device 70 will face extreme environments such as rain and snow when installed on the pole 10. When the solar panel 73 is covered with rain and snow, it will affect the solar panel 73's reception of sunlight, thereby affecting the power generation efficiency. By setting up electric heating plates 75, the snow covering the solar panel 73 can be melted by heating, or the evaporation of water mist can be promoted. When there is a lot of rain and snow, the linear module 76 can be activated to drive the scraper 77 to move back and forth, which, together with the heating function of the electric heating plates 75, improves the cleaning efficiency of the solar panel 73.

[0048] In some embodiments, an improved implementation of the solar panel 73 power generation device described above can employ, as follows: Figure 5 The structure shown. See also Figure 5 The solar power generation device 70 also includes a housing 78 covering the outside of the linear module 76. The housing 78 has a groove 79 for the scraper 77 to extend from it, and multiple thermocouples 74 are fixed to the housing 78. The housing 78 can cover the linear module 76 to prevent water from entering and affecting the smoothness of the scraper 77. The multiple thermocouples 74 fixed to the housing 78 can avoid occupying space on the solar panel and increase the effective working area of ​​the solar panel 73.

[0049] In some embodiments, an improved implementation of the above-described connector box 20 may employ, as follows: Figure 2 The structure shown. See also Figure 2 The junction box also includes an alarm 29 located outside the box body 21 and a fire-fighting component 50 located at the top inside the box body 21. The fire-fighting component 50 includes a flame-retardant foam board 51, a heating wire 52, and fire-fighting sand 53. The outer edge of the flame-retardant foam board 51 is fixed to the inner wall of the box body 21. The heating wire 52 is electrically connected to the power supply module 41 and its end abuts against the flame-retardant foam board 51. The fire-fighting sand 53 fills the box body 21 and is located on top of the flame-retardant foam board 51. When the temperature is greater than a first preset value and the humidity is less than a second preset value, the power supply module 41 supplies power to the heating wire 52. The heating wire 52 heats and melts the flame-retardant foam board 51, and the fire-fighting sand 53 falls into the box body 21, covering the structure inside the box body 21 to achieve rapid fire extinguishing.

[0050] As a variation of the implementation, the heating wire 52 can also be replaced with an electric actuator. When the temperature is greater than the first preset value and the humidity is less than the second preset value, the terminal controls the electric actuator to extend. The electric actuator breaks through the center of the flame-retardant foam board 51, thereby causing the fire sand 53 to fall.

[0051] In some embodiments, an improved implementation of the flame-retardant foam board 51 can be as follows: Figure 2 The structure shown. See also Figure 2 The flame-retardant foam board 51 is conical, with its inner diameter gradually decreasing from top to bottom. Because the heating wire 52 contacts the center of the flame-retardant foam board 51, the melting point of the flame-retardant foam board 51 is limited to the area in contact with the heating wire 52. In this structure, after the center of the flame-retardant foam board 51 melts, the fire-fighting sand 53 can slide down the inclined inner wall of the flame-retardant foam board 51, ensuring that all the fire-fighting sand 53 falls off and avoids lingering on the flame-retardant foam board 51, thus ensuring the fire-fighting effect.

[0052] Based on the same inventive concept, this application also provides an OPGW optical cable monitoring method, implemented through the aforementioned OPGW optical cable monitoring platform, comprising the following steps:

[0053] S10: The terminal obtains the temperature, humidity and tilt angle inside the box 21, and the detection module 42 is connected to the second wiring 33 to obtain the current value and voltage value of the optical cable.

[0054] S20: When the temperature inside the box 21 is greater than the first preset value and the humidity is greater than the second preset value, the power supply module 41 is powered on; when the temperature inside the box 21 is less than the first preset value, the power supply module 41 is powered on; when the temperature inside the box 21 is greater than the first preset value and the humidity is less than the second preset value, the power supply module 41 stops supplying power to the connector box.

[0055] S30: The terminal records the historical current and voltage values ​​of the optical cable, measures the real-time current and voltage values ​​of the optical cable at preset intervals, calculates the difference between the current values ​​on adjacent sides and the difference between two adjacent voltage values, and when the difference between the current value or voltage value is greater than a third preset value, the power supply module 41 stops supplying power to the splice box.

[0056] It should be noted that when the temperature is greater than the first preset value and the humidity is less than the second preset value, the heating wire 52 will be turned on. The heating wire 52 and the junction box 20 are different branches and are controlled by different switches. In this case, only the switch corresponding to the junction box 20 is turned off.

[0057] The three scenarios corresponding to step S20 are explained in detail below:

[0058] (1) When the temperature inside the box 21 is greater than the first preset value and the humidity is greater than the second preset value, it may be that the heat inside the box 21 is serious and water vapor has entered the box 21. In this case, the water vapor can cool down the working components inside the box 21, and the heat inside the box 21 can reduce the water vapor. When the temperature drops below the first preset value and the humidity is still greater than the second preset value, the blower 60 is turned on.

[0059] (2) When the temperature inside the box 21 is less than the first preset value, and the temperature inside the box 21 does not exceed the first preset value, it means that the heat generated by each working element inside the box 21 is not serious and there is no threat of overheating damage. At this time, the power supply module 41 is continuously powered on and each working element is operating normally. When the humidity value is greater than the second preset value, the blower 60 is turned on. When the humidity value is less than the second preset value, it is not necessary to turn it on.

[0060] (3) When the temperature inside the box 21 is greater than the first preset value and the humidity is less than the second preset value, it indicates that the working components inside the box 21 are overheating, which may be due to overheating or fire. When the temperature is between the first preset value and the fourth preset value, the power supply module 41 stops supplying power to the junction box 20 and issues an alarm to remind the staff to repair it in time. If the temperature is greater than the fourth preset value, the junction box 20 will be powered off and an alarm will be issued. At the same time, the fire-fighting component 50 will be triggered to extinguish the fire inside the junction box 20 in time to avoid serious accidents.

[0061] Compared with the prior art, the OPGW optical cable monitoring method provided by this invention allows the terminal to record temperature, humidity, tilt angle of the splice box 20, current value and voltage value of the optical cable in real time during use. By analyzing the temperature, humidity, tilt angle of the splice box 20, current value and voltage value of the optical cable according to the above judgment criteria, the current status of the splice box 20 and the optical cable can be obtained in a timely manner to facilitate overall monitoring.

[0062] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An OPGW optical cable monitoring platform, characterized in that, The system includes a pole, a splice box fixed to the pole, an optical cable connector connected to the splice box, communication equipment located outside the splice box, and a terminal. The splice box includes a box body, an optical fiber insulator, a tilt sensor and a temperature and humidity sensor located inside the box body, and a receiving tube inside the box body with ventilation holes on its side wall. The temperature and humidity sensor is placed inside the receiving tube. The optical cable connector is fixed to the end of the optical fiber insulator away from the box body. The optical cable connector includes a housing, a first wiring inside the housing, and a second wiring connected in parallel with the first wiring. The first wiring is used to connect to the optical cable. The communication equipment is fixed outside the splice box and includes a power supply module, a detection module, and a communication module. The communication module is electrically connected to the tilt sensor and the temperature and humidity sensor, respectively. The detection module is electrically connected to the second wiring. The terminal is used to control the power supply module to turn on and off. The junction box is provided with a first mounting plate and a second mounting plate. The first mounting plate is fixed to the bottom of the box body, and one side of the second mounting plate is fixed to one side of the first mounting plate. The second mounting plate and the first mounting plate form an acute angle. The tilt sensor is fixed to the second mounting plate. An accommodating space is formed between the first mounting plate and the second mounting plate, and the accommodating tube is located in the accommodating space. The communication device also includes a communication line and a heat-conducting film wrapped around the communication line. The communication line extends into the receiving tube and is electrically connected to the temperature and humidity sensor. The heat-conducting film and the communication line are spaced apart to form an air duct. The air duct is connected to the inner cavity of the receiving tube. A blower device electrically connected to the power supply module is also fixed to the outside of the connector box. An air inlet communicating with the blower device is opened on the heat-conducting film. The OPGW optical cable monitoring platform also includes a solar power generation device connected to the power supply module. The solar power generation device includes a fixed frame fixed to the tower, a motor fixed to the fixed frame, and a solar panel fixed to the output shaft of the motor. Multiple thermocouples are fixed on the solar panel and spaced along a first preset path. The first preset path is perpendicular to the output shaft of the motor. The multiple thermocouples and the motor are all communicatively connected to the terminal. The terminal is used to adjust the rotation angle of the motor output shaft according to the reading of the thermocouple.

2. The OPGW optical cable monitoring platform as described in claim 1, characterized in that, The first mounting plate is provided with two sets of mounting components, which are respectively fixed to both ends of the receiving tube. Each mounting component includes a first clamping block, a second clamping block, and a bolt. The top surface of the first clamping block is provided with a recessed first groove, and the bottom surface of the second clamping block is provided with a recessed second groove. The inner circumferential surfaces of the first groove and the second groove are both in contact with the outer circumferential surface of the receiving tube. The first clamping block, the second clamping block, and the first mounting plate are all provided with through holes for the bolt to pass through. The bottom of the box body is provided with an internal threaded hole corresponding to the through hole, and the internal threaded hole is screwed to the bolt.

3. The OPGW optical cable monitoring platform as described in claim 1, characterized in that, The solar power generation device also includes multiple electric heating plates fixed to the back of the solar panel, a linear module fixed to the top edge of the solar panel, and a scraper that travels along the linear module. The multiple electric heating plates are arranged in an array, and the scraper is parallel to one side of the solar panel and perpendicular to the extension path of the linear module.

4. The OPGW optical cable monitoring platform as described in claim 3, characterized in that, The solar power generation device also includes a housing covering the outside of the linear module, the housing having a groove for the scraper to extend out, and a plurality of thermocouples fixed to the housing.

5. The OPGW optical cable monitoring platform as described in claim 1, characterized in that, The junction box also includes an alarm located outside the box and a fire-fighting component located at the top of the box. The fire-fighting component includes a flame-retardant foam board, a heating wire, and fire-fighting sand. The outer edge of the flame-retardant foam board is fixed to the inner wall of the box. The heating wire is electrically connected to the power supply module and its end abuts against the flame-retardant foam board. The fire-fighting sand is filled inside the box and located on top of the flame-retardant foam board.

6. The OPGW optical cable monitoring platform as described in claim 5, characterized in that, The flame-retardant foam board is conical in shape, and its inner diameter gradually decreases from top to bottom.

7. A method for monitoring OPGW optical cables, characterized in that, The implementation via the OPGW optical cable monitoring platform as described in any one of claims 1-6 includes the following steps: S10: The terminal acquires the temperature, humidity and tilt angle inside the box, and the detection module is connected to the second wiring to acquire the current value and voltage value of the optical cable; S20: When the temperature inside the box is greater than a first preset value and the humidity is greater than a second preset value, the power supply module is powered on; when the temperature inside the box is less than the first preset value, the power supply module is powered on; when the temperature inside the box is greater than the first preset value and the humidity is less than the second preset value, the power supply module stops supplying power to the connector box. S30: The terminal records the historical current and voltage values ​​of the optical cable, measures the real-time current and voltage values ​​of the optical cable at preset intervals, calculates the difference between the current values ​​on adjacent sides and the difference between two adjacent voltage values, and when the difference between the current value or voltage value is greater than a third preset value, the power supply module stops supplying power to the junction box.

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