Ground cable well intelligent well lid for remote communication

Abstract

The invention discloses a remote communication ground cable well intelligent well lid, and belongs to the technical field of intelligent well lids, the remote communication ground cable well intelligent well lid comprises an intelligent well lid main body, the top of the intelligent well lid main body is provided with a mounting cavity, the mounting cavity is internally provided with an intelligent management host, and the intelligent management host comprises a signal acquisition module, a remote communication emission module and a remote communication execution module; the signal acquisition module is electrically connected with the remote communication transmitting module and is used for acquiring a signal of a sensor mounted at the front end of the intelligent well lid; the remote communication transmitting module is electrically connected with the remote communication execution module and is used for converting the acquired signal into a frequency domain signal and converting the frequency domain signal into a cyclic signal based on a tail signal in the frequency domain signal; and the remote communication execution module is electrically connected with the main control module and is used for transmitting the cyclic signal to the signal receiving equipment based on the interference signal and the signal characteristics of the signal receiving equipment. The problem that signal synchronization is poor due to the fact that signals are not fully and reasonably processed is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent manhole covers, and in particular to an intelligent manhole cover for a ground cable well for remote communication. Background Art

[0002] As an important infrastructure for laying power cables, underground cable wells are widely distributed in cities. Patrolling cable wells requires a lot of manpower. The existing technology mainly collects and analyzes information in the well by installing intelligent Internet of Things devices to replace human inspections. For example, the patent number is CN110965591A, which is a smart manhole cover system for smart pipe networks. The system includes: the outer shell of the smart manhole cover; a power generation device for providing power to the energy storage device; an energy storage device for storing the power transmitted by the power generation device and supplying power to various electrical devices; a signal acquisition device for collecting environmental signals and pipe network signals; a signal monitoring device for monitoring the signals collected by the signal acquisition device and controlling the valve actuator; a signal transmission part for transmitting the signals collected by the signal acquisition device to a remote cloud or a remote central control system; and a valve electric actuator for controlling the valve. The above scheme integrates a monitoring device and a communication device in the smart manhole cover, thereby sending the monitored signal, and sending a control signal to the valve electric actuator through a remote cloud or a remote central control system to control the opening of the valve. However, when the above scheme sends the monitored signal through the communication device, the signal is not fully and reasonably processed. When the signal is transmitted over a long distance, the signal transmission speed decreases, which will cause high signal delay. At the same time, when the signal high delay occurs, the signal is not synchronized, it is difficult to ensure the synchronization of the signal, and the communication failure rate will increase significantly. Summary of the invention

[0003] In view of the problem of poor signal synchronization due to insufficient and reasonable signal processing in the prior art, the present invention provides a remote communication underground cable well intelligent manhole cover, which converts the acquired signal into a frequency domain signal through a remote communication transmitting module, thereby reducing the peak-to-average ratio of the signal and thereby improving the signal transmission speed. At the same time, the remote communication transmitting module converts the frequency domain signal into a cyclic signal based on the tail signal in the frequency domain signal. When the signal receiving device acquires the cyclic signal, the starting position and the ending position of the cyclic signal can be accurately determined according to the tail signal in the cyclic signal, thereby ensuring the accurate synchronization of the signal during the transmission process, solving the problem of poor signal synchronization due to insufficient and reasonable signal processing, and significantly improving the communication reliability and communication success rate.

[0004] In order to solve the above technical problems, the present invention provides a remote communication ground cable well intelligent manhole cover, including an intelligent manhole cover body and an intelligent manhole cover front end, the top of the intelligent manhole cover body is provided with an installation cavity, an intelligent management host is installed in the installation cavity, and the intelligent management host includes a signal acquisition module, a remote communication transmission module, and a remote communication execution module; The signal acquisition module is electrically connected to the remote communication transmission module and is used to acquire the signal of the sensor installed on the front end of the intelligent manhole cover; The remote communication transmitting module is electrically connected to the remote communication executing module, and is used to convert the acquired signal into a frequency domain signal, and convert the frequency domain signal into a cyclic signal based on a tail signal in the frequency domain signal; The remote communication execution module is electrically connected to the main control module, and is used to transmit a cyclic signal to the signal receiving device based on the interference signal and the signal characteristics of the signal receiving device.

[0005] After adopting the above technical solution, the present invention has the following advantages: Considering that the acquired signal is usually represented in the time domain, and the peak-to-average ratio of the signal in the time domain is relatively high, by converting the signal into a frequency domain signal, the signal can be processed according to the characteristics of the frequency domain signal, which can effectively reduce the peak-to-average ratio and thus increase the transmission speed of the signal; The remote communication transmitting module converts the frequency domain signal into a cyclic signal based on the tail signal in the frequency domain signal. When the signal receiving device obtains the cyclic signal, the starting position and the ending position of the cyclic signal can be accurately determined according to the tail signal in the cyclic signal, thereby ensuring the accurate synchronization of the signal during the transmission process, and significantly improving the reliability of remote communication; By transmitting signals taking into account the interference in the signal transmission process and the signal characteristics of the signal receiving device, the stability of remote communication is enhanced; The problem of poor signal synchronization caused by insufficient and unreasonable signal processing is solved.

[0006] Preferably, the signal acquisition module includes a signal acquisition module, a signal judgment module and a signal processing module; The signal acquisition module is electrically connected to the signal judgment module, and is used to collect signals from the sensor installed on the front end of the intelligent manhole cover; the signal judgment module is electrically connected to the signal processing module, and is used to judge whether the strength of the collected signal is less than the preset signal strength, and drive the corresponding module according to the judgment result; The signal processing module is electrically connected to the remote communication transmitting module and is used for preprocessing the acquired signal.

[0007] Taking into account that weaker signals have weaker anti-interference ability during transmission, which can easily lead to signal errors or losses, a signal judgment module is set to judge the strength of the collected signal to ensure the quality of remote communication and improve resource utilization. Taking into account that the signal collection process is susceptible to electromagnetic interference, the acquired signal is pre-processed through the signal processing module to improve the accuracy of the signal.

[0008] Preferably, the determining whether the collected signal strength is less than a preset signal strength and driving a corresponding module according to the determination result comprises: Determine whether the collected signal strength is less than the preset signal strength. If so, drive the signal acquisition module to collect the signal of the sensor installed on the front end of the intelligent manhole cover again. The re-collected signal will not be used as the acquired signal until the re-collected signal strength is greater than or equal to the preset signal strength. Drive the signal processing module to pre-process the acquired signal.

[0009] Preferably, the sensor includes at least a tilt sensor, a water immersion sensor and a cable temperature sensor.

[0010] Preferably, the remote communication transmission module includes a signal modulation unit and a signal synchronization unit; The signal modulation unit is used to modulate the acquired signal based on a single carrier, thereby generating a modulated signal, and converting the modulated signal into a frequency domain signal; The signal synchronization unit is used for converting the frequency domain signal into a cyclic signal based on the tail signal in the frequency domain signal.

[0011] Preferably, the expression of modulating the acquired signal based on a single carrier to generate a modulated signal is C=X*M*B, where C represents the modulated signal, X represents a complex-valued bit block, M is a modulation coefficient, and B represents a single carrier.

[0012] Preferably, the remote communication transmission module further includes a time window synchronization unit, which is used to preset the transmission time of the cyclic signal based on the single carrier cycle. By presetting the signal transmission time, it is convenient for the signal receiving device to identify the starting position and the ending position of the signal according to the transmission time, thereby ensuring the synchronization of the signal to a certain extent.

[0013] Preferably, transmitting the cyclic signal to the signal receiving device based on the interference signal and the signal characteristics of the signal receiving device comprises: r=h+UD(uh), where r represents the signal output by the signal receiving device, h represents the interference signal, U represents the mathematical model of the signal receiving device, D represents the mathematical model of the intelligent manhole cover, and u represents the state variable of the signal receiving device; When r=0 and U=D, the cyclic signal is transmitted to the signal receiving device based on the transmission time.

[0014] Preferably, the intelligent management host further comprises an electric energy supply module, and the electric energy supply module is used to provide electric energy for the signal acquisition module, the remote communication transmission module, the remote communication execution module and the sensor.

[0015] Preferably, the power supply module includes a solar energy conversion unit and a capacitor unit, the solar energy conversion unit is used to convert solar energy into electrical energy for use by the signal acquisition module, the remote communication transmission module, the remote communication execution module and the sensor, and the capacitor unit is used to store the electrical energy converted by the solar energy conversion unit.

[0016] The beneficial effects of this program: Considering that the acquired signal is usually represented in the time domain, and the peak-to-average ratio of the signal in the time domain is relatively high, by converting the signal into a frequency domain signal, the signal can be processed according to the characteristics of the frequency domain signal, which can effectively reduce the peak-to-average ratio and thus increase the transmission speed of the signal; By presetting the signal transmission time, it is convenient for the signal receiving device to identify the starting position and the ending position of the signal according to the transmission time, which ensures the synchronization of the signal to a certain extent. The frequency domain signal is converted into a cyclic signal based on the tail signal in the frequency domain signal by the remote communication transmission module. When the signal receiving device obtains the cyclic signal, the starting position and the ending position of the cyclic signal can be accurately determined according to the tail signal in the cyclic signal, which further ensures the accurate synchronization of the signal during the transmission process and significantly improves the reliability of remote communication. By transmitting signals taking into account the interference in the signal transmission process and the signal characteristics of the signal receiving device, the stability of remote communication is enhanced; The problem of poor signal synchronization caused by insufficient and unreasonable signal processing is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings. The drawings are only for the purpose of illustrating preferred embodiments and are not to be considered as limiting the present invention. Also, the same reference symbols are used throughout the drawings to represent the same parts.

[0018] Figure 1 It is a structural schematic diagram of an intelligent management host in an intelligent manhole cover for a remote communication ground cable well of the present invention; Figure 2 A global diagram of an intelligent manhole cover for a ground cable well for remote communication according to the present invention; Figure 3A schematic diagram of a remote communication ground cable well intelligent manhole cover in use according to the present invention; Among them: 1. Intelligent management host; 2. Tilt sensor; 3. Water immersion sensor; 4. Cable temperature sensor. DETAILED DESCRIPTION

[0019] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific implementation method described herein is only an optimal embodiment of the present invention, which is only used to explain the present invention and does not limit the scope of protection of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] Before discussing the exemplary embodiments in more detail, it should be mentioned that some exemplary embodiments are described as processes or methods depicted as flow charts. Although the flow charts describe the operations (or steps) as sequential processes, many of the operations (or steps) therein can be implemented in parallel, concurrently, or simultaneously. In addition, the order of the operations can be rearranged. The process can be terminated when its operation is completed, but can also have additional steps not included in the drawings; the process can correspond to a method, function, procedure, subroutine, subprogram, etc.

[0021] Embodiment 1: like Figure 1-3 As shown, a remote communication ground cable well intelligent manhole cover comprises an intelligent manhole cover body and an intelligent manhole cover front end, the top of the intelligent manhole cover body is provided with an installation cavity, an intelligent management host 1 is installed in the installation cavity, and the intelligent management host 1 comprises a signal acquisition module, a remote communication transmission module, and a remote communication execution module; The signal acquisition module is electrically connected to the remote communication transmission module and is used to acquire the signal of the sensor installed on the front end of the intelligent manhole cover; The remote communication transmitting module is electrically connected to the remote communication executing module, and is used to convert the acquired signal into a frequency domain signal, and convert the frequency domain signal into a cyclic signal based on a tail signal in the frequency domain signal; The remote communication execution module is electrically connected to the main control module, and is used to transmit a cyclic signal to the signal receiving device based on the interference signal and the signal characteristics of the signal receiving device.

[0022] In this embodiment, the intelligent management host 1 is installed through the installation cavity on the top of the intelligent manhole cover body. When the intelligent management host 1 is damaged, the intelligent management host 1 can be replaced without replacing the intelligent manhole cover, which reduces the maintenance cost and improves the convenience of maintenance. The sensor collects the cable contact temperature, cable well water immersion information, intelligent manhole cover posture information, etc. The sensor sends the acquired information to the signal acquisition module in the form of a signal. After the signal acquisition module obtains the signal, it drives the remote communication transmission module to convert the acquired signal into a frequency domain signal based on Fourier transform, and processes the signal according to the characteristics, limiting and filtering technology of the frequency domain signal, which can effectively reduce the peak-to-average ratio, thereby improving the signal transmission speed; the tail signal of the frequency domain signal is set to S, and the tail signal S is copied to the head of the frequency domain signal to obtain the signal cycle signal A. When the signal receiving device obtains the cycle signal, the starting position and the end position of the cycle signal can be accurately determined according to the tail signal S in the cycle signal, ensuring the accurate synchronization of the signal during the transmission process, and significantly improving the reliability of remote communication; the main control module is the core control of the intelligent manhole cover, with a built-in algorithm CPU, which realizes the strategic management of power consumption control management, information collection and storage management, communication transmission management, wireless signal reception control management, etc., thereby meeting the low-consumption operation of the intelligent manhole cover and the sensor.

[0023] As a preferred solution of this embodiment, the signal acquisition module includes a signal acquisition module, a signal judgment module and a signal processing module; The signal acquisition module is electrically connected to the signal judgment module, and is used to collect signals from the sensor installed on the front end of the intelligent manhole cover; the signal judgment module is electrically connected to the signal processing module, and is used to judge whether the strength of the collected signal is less than the preset signal strength, and drive the corresponding module according to the judgment result; The signal processing module is electrically connected to the remote communication transmitting module and is used for preprocessing the acquired signal.

[0024] In this embodiment, the signal acquisition module is composed of an analog-to-digital converter and a filtering circuit. When the sensor detects a corresponding change, it generates a corresponding analog signal and transmits the analog signal to the signal acquisition module through a wire. The signal acquisition module transmits the analog signal to the signal judgment module. The signal judgment module is composed of a microprocessor and a comparator. After receiving the analog signal, the microprocessor determines whether the strength of the analog signal is less than the signal strength preset according to the remote distance, and then drives the corresponding module according to different results, thereby ensuring the quality of remote communication and improving resource utilization. Presetting the signal strength according to the remote distance is specifically: the signal receiving module receives analog signals of different strengths for multiple times, and presets the signal strength by obtaining the accuracy of the received analog signals of different strengths. For example: when the signal receiving device receives an analog signal of strength A and the accuracy is 90%, the signal strength can be preset to A. The signal strength here can be adjusted according to the usage scenario. If the accuracy of the analog signal received by the signal receiving device needs to be ensured, the signal strength can be preset to a larger value.

[0025] As a preferred solution of this embodiment, the determining whether the collected signal strength is less than a preset signal strength and driving a corresponding module according to the determination result includes: Determine whether the collected signal strength is less than the preset signal strength. If so, drive the signal acquisition module to collect the signal of the sensor installed on the front end of the intelligent manhole cover again. The re-collected signal will not be used as the acquired signal until the re-collected signal strength is greater than or equal to the preset signal strength. Drive the signal processing module to pre-process the acquired signal.

[0026] In this embodiment, the signal acquisition module collects sensor signals at the set time. If there is a signal with a signal strength less than the preset signal strength among the signals of different sensors collected, the signal acquisition module is driven to obtain the sensor signal corresponding to the signal with a signal strength less than the preset signal strength again. While obtaining the signal again, the signal processing module preprocesses the signal with a signal strength greater than the preset signal strength, thereby improving resource utilization and signal processing efficiency. In order to further reduce consumption, a fluctuation detection transmission scheme is selected in the signal transmission strategy. The cable temperature sensor reports temperature data when the temperature changes by ±3 degrees, and reports data once every hour when there is no change; similarly, the water immersion sensor 3 reports when there is an alarm, and reports data once every hour when there is no alarm.

[0027] As an implementation method, the different sensor signals obtained multiple times are preprocessed and transmitted only when there are large differences between the different sensor signals obtained multiple times. For example, when obtaining the signals of sensors A and B, if there is a large difference between the signals of sensor A obtained twice, the signals of sensor A obtained twice are preprocessed. If the difference between the signals of sensor B obtained twice is not obvious, there is no need to preprocess the signals of sensor B obtained twice. The above method improves the signal processing efficiency and can also detect abnormal conditions in the cable well in time. On the basis of the above method, the signals of sensor B obtained twice are stored. When the signal receiving device is idle, the signals of sensor B obtained twice are transmitted to the signal receiving device for storage, so as to avoid data loss caused by damage to the intelligent management host 1. At the same time, the signal receiving module can analyze the unclear signals obtained multiple times, and then detect potential abnormal conditions in the cable well.

[0028] As a preferred solution of this embodiment, the sensor at least includes a tilt sensor 2 , a water immersion sensor 3 and a cable temperature sensor 4 .

[0029] In this embodiment, the cable temperature sensor 4 is installed at the position of the two cable joints, which is used to obtain the abnormal temperature change of the cable joint in the first time. The cable temperature sensor 4 adopts a contact temperature measurement method, and the cable temperature sensor 4 adopts CT power supply. The cable temperature sensor 4 is designed as a micro-power microprocessor. Through the acquisition, conversion, calculation and judgment of the signal, and the temperature data is transmitted to the signal receiving device by wireless communication, low power consumption operation is achieved. At the same time, it can be set to transmit the signal to the signal receiving module only when there is an abnormal temperature fluctuation, which is convenient for the operation and maintenance personnel to carry out operation and maintenance, and improves the operation and maintenance efficiency. The water immersion sensor 3 is installed on the lower side of the cable. When the rainwater exceeds the water immersion sensor 3, an alarm is generated, and the alarm signal is transmitted to the signal receiving module, which is convenient for the patrol personnel to pump out the rainwater in the well. The tilt sensor 2 is installed at the bottom of the intelligent manhole cover. The tilt angle state of the manhole cover can be used to determine whether the manhole cover is lifted. At the same time, the real-time position information of the manhole cover is obtained through the positioning information, and the tilt condition of the manhole cover and the positioning information are transmitted to the signal receiving device for maintenance personnel to process.

[0030] As a preferred solution of this embodiment, the remote communication transmission module includes a signal modulation unit and a signal synchronization unit; The signal modulation unit is used to modulate the acquired signal based on a single carrier, thereby generating a modulated signal, and converting the modulated signal into a frequency domain signal; The signal synchronization unit is used for converting the frequency domain signal into a cyclic signal based on the tail signal in the frequency domain signal.

[0031] Furthermore, the expression for modulating the acquired signal based on a single carrier to generate a modulated signal is C=X*M*B, where C represents the modulated signal, X represents a complex-valued bit block, M is a modulation coefficient, and B represents a single carrier.

[0032] In this embodiment, B is specifically Where b is the bit block obtained by splitting the acquired signal, k is the complex value symbol block, 0≤t≤(N S，t +N)T, T is the signal collection interval, the communication network bandwidth is preset to Δf = 10kHz, the angle factor of the signal is not considered during the signal transmission process, and the bandwidth required for the intelligent manhole cover transmission process is set to Δf / 2 = 5kHz, then make Then there is From the above derivation, it can be seen that the tail signal and the head signal of the frequency domain signal only differ by a negative sign, so this property can be used to convert the frequency domain signal into a cyclic signal. When the signal receiving device obtains the cyclic signal, the starting position and the ending position of the cyclic signal can be accurately determined according to the tail signal in the cyclic signal, which further ensures the precise synchronization of the signal during the transmission process and significantly improves the reliability of remote communication.

[0033] As a preferred solution of this embodiment, the remote communication transmission module further includes a time window synchronization unit, which is used to preset the transmission time of the cyclic signal based on the single carrier cycle. By presetting the signal transmission time, it is convenient for the signal receiving device to identify the starting position and the ending position of the signal according to the transmission time, thereby ensuring the synchronization of the signal to a certain extent.

[0034] As a preferred solution of this embodiment, transmitting the cyclic signal to the signal receiving device based on the interference signal and the signal characteristics of the signal receiving device includes: r=h+UD(uh), where r represents the signal output by the signal receiving device, h represents the interference signal, U represents the mathematical model of the signal receiving device, D represents the mathematical model of the intelligent manhole cover, and u represents the state variable of the signal receiving device; When r=0 and U=D, the cyclic signal is transmitted to the signal receiving device based on the transmission time.

[0035] In this embodiment, when r=0 and U=D, it indicates that the communication state is in an ideal state. The remote communication execution module ensures that the communication state continues to remain in an ideal state. At the same time, the signal is transmitted at an ideal time under the ideal state, thereby enhancing the accuracy and stability of the remote communication.

[0036] As a preferred solution of this embodiment, the intelligent management host 1 further includes a power supply module, and the power supply module is used to provide power to the signal acquisition module, the remote communication transmission module, the remote communication execution module and the sensor.

[0037] As a preferred solution of this embodiment, the power supply module includes a solar energy conversion unit and a capacitor unit. The solar energy conversion unit is used to convert solar energy into electric energy for use by the signal acquisition module, the remote communication transmission module, the remote communication execution module and the sensor, and the capacitor unit is used to store the electric energy converted by the solar energy conversion unit.

[0038] In this embodiment, by comparing the power generation efficiency of different photovoltaic materials under 50lux-100lux lighting conditions, amorphous silicon (a-Si) photovoltaic panels are selected as the main material. Amorphous silicon (a-Si) has a higher optical absorption coefficient. In the visible light wavelength range of 0.315 to 0.75um, the optical absorption coefficient is one order of magnitude higher than that of single crystal silicon (c-Si). Therefore, very thin (about 1μm) a-Si solar cells can absorb most of the visible light and provide continuous energy supply for the signal acquisition module, remote communication transmission module, remote communication execution module and sensor. The capacitor unit is composed of supercapacitors, which can achieve fast charging. It can be charged to 95% of its rated capacity within minutes or even seconds. The internal resistance of the supercapacitor is extremely small, and the energy loss during charging and discharging is small. The energy conversion efficiency is high, and the energy loss during charging and discharging does not exceed 10%. The power density of the supercapacitor is quite high, and the power density can reach 0.3KW / KG~5KW / KG. At the same time, the low-temperature characteristics of the supercapacitor are better. Its temperature range is -40℃-+70℃, which can effectively solve the problem of insufficient power supply in the dark and low-temperature environment where the smart manhole cover is located.

[0039] The specific implementation described above is a preferred implementation of a remote communication cable well intelligent manhole cover of the present invention, and is not intended to limit the specific implementation scope of the present invention. The scope of the present invention includes but is not limited to this specific implementation. All equivalent changes made in accordance with the shape and structure of the present invention are within the protection scope of the present invention.

Claims

1. A remote communication ground cable well intelligent manhole cover, comprising an intelligent manhole cover body and an intelligent manhole cover front end, characterized in that: The top of the intelligent manhole cover body is provided with an installation cavity, in which an intelligent management host is installed, and the intelligent management host includes a signal acquisition module, a remote communication transmission module, and a remote communication execution module; The signal acquisition module is electrically connected to the remote communication transmission module and is used to acquire the signal of the sensor installed on the front end of the intelligent manhole cover; The remote communication transmitting module is electrically connected to the remote communication executing module, and is used to convert the acquired signal into a frequency domain signal, and convert the frequency domain signal into a cyclic signal based on a tail signal in the frequency domain signal; The remote communication execution module is electrically connected to the main control module, and is used to transmit a cyclic signal to the signal receiving device based on the interference signal and the signal characteristics of the signal receiving device.

2. The intelligent manhole cover for a remote communication ground cable well according to claim 1 is characterized in that: The signal acquisition module includes a signal acquisition module, a signal judgment module and a signal processing module; The signal acquisition module is electrically connected to the signal judgment module and is used to collect signals from the sensor installed on the front end of the intelligent manhole cover; The signal judgment module is electrically connected to the signal processing module, and is used to judge whether the collected signal strength is less than the preset signal strength, and drive the corresponding module according to the judgment result; The signal processing module is electrically connected to the remote communication transmitting module and is used for preprocessing the acquired signal.

3. The intelligent manhole cover for a remote communication ground cable well according to claim 2 is characterized in that: The determining whether the collected signal strength is less than a preset signal strength and driving a corresponding module according to the determination result comprises: Determine whether the collected signal strength is less than the preset signal strength. If so, drive the signal acquisition module to collect the signal of the sensor installed on the front end of the intelligent manhole cover again. The re-collected signal will not be used as the acquired signal until the re-collected signal strength is greater than or equal to the preset signal strength. Drive the signal processing module to pre-process the acquired signal.

4. The intelligent manhole cover for a remote communication ground cable well according to claim 1, characterized in that: The sensors include at least a tilt sensor, a water immersion sensor and a cable temperature sensor.

5. The intelligent manhole cover for a remote communication ground cable well according to claim 1, characterized in that: The remote communication transmission module includes a signal modulation unit and a signal synchronization unit; The signal modulation unit is used to modulate the acquired signal based on a single carrier to generate a modulated signal, and convert the modulated signal into a frequency domain signal; The signal synchronization unit is used for converting the frequency domain signal into a cyclic signal based on the tail signal in the frequency domain signal.

6. The intelligent manhole cover for a remote communication ground cable well according to claim 5, characterized in that: The expression for modulating the acquired signal based on a single carrier to generate a modulated signal is C=X*M*B, where C represents the modulated signal, X represents a complex-valued bit block, M is a modulation coefficient, and B represents a single carrier.

7. The intelligent manhole cover for a remote communication ground cable well according to claim 5, characterized in that: The remote communication transmission module further comprises a time window synchronization unit, and the time window synchronization unit is used to preset the transmission time of the cyclic signal based on the single carrier cycle.

8. The intelligent manhole cover for a remote communication ground cable well according to claim 7, characterized in that: The method of transmitting a cyclic signal to a signal receiving device based on the interference signal and the signal characteristics of the signal receiving device includes: r=h+UD(uh), wherein r represents the signal output by the signal receiving device, h represents the interference signal, U represents the mathematical model of the signal receiving device, D represents the mathematical model of the intelligent manhole cover, and u represents the state variable of the signal receiving device; when r=0 and U=D, the cyclic signal is transmitted to the signal receiving device based on the transmission time.

9. The intelligent manhole cover for a remote communication ground cable well according to claim 1, characterized in that: The intelligent management host also includes an electric energy supply module, which is used to provide electric energy for the signal acquisition module, the remote communication transmission module, the remote communication execution module and the sensor.

10. The intelligent manhole cover for a remote communication ground cable well according to claim 9, characterized in that: The power supply module includes a solar energy conversion unit and a capacitor unit. The solar energy conversion unit is used to convert solar energy into electrical energy for use by the signal acquisition module, the remote communication transmission module, the remote communication execution module and the sensor, and the capacitor unit is used to store the electrical energy converted by the solar energy conversion unit.

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