Distribution network operation inspection intelligent monitoring system

Abstract

The invention relates to the technical field of distribution network operation inspection intelligent monitoring, and discloses a distribution network operation inspection intelligent monitoring system which comprises an electric pole inclination monitoring unit, a distribution network temperature monitoring unit, a box door state monitoring unit, a distribution area grounding resistance monitoring unit, a data processing unit and an APP connection unit. The output ends of the electric pole inclination monitoring unit, the distribution network temperature monitoring unit, the box door state monitoring unit and the distribution area grounding resistance monitoring unit are in signal connection with the data processing unit, and the output end of the data processing unit is in signal connection with the APP connection unit. According to the distribution network operation inspection intelligent monitoring system, through the data processing unit and the APP connection unit, in the use process, collected data are processed in real time, the data are monitored and stored, and the data are bound with a mobile phone APP, so that operation inspection faults can be more conveniently and accurately positioned, timely alarmed and rapidly handled.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent monitoring of distribution network operation and maintenance, and in particular to an intelligent monitoring system for distribution network operation and maintenance. Background Art

[0002] With the rapid development of the economy and society, the demand for electricity is growing. The operation and inspection of the distribution network mainly involves the operation, maintenance and repair of the distribution network. Timely operation and inspection can effectively reduce the occurrence of equipment failures and improve the reliability of power supply. It ensures that users can obtain continuous and stable power supply to meet the needs of production and life, and can ensure that the power quality indicators such as voltage and frequency meet the requirements, reduce voltage fluctuations, harmonics and other problems, and improve the stability and safety of the power system.

[0003] At present, in some high-altitude areas, the power supply range is large, the points are numerous and widespread, and the inspection work is difficult. In addition, manual data collection is not comprehensive, and there are situations where there is no early warning on the distribution network lines, which reduces the reliability of power supply and the quality of power supply services. Therefore, it is necessary to invent an intelligent monitoring system for distribution network operation and maintenance to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide an intelligent monitoring system for distribution network operation and maintenance to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an intelligent monitoring system for distribution network operation and maintenance, comprising a pole tilt monitoring unit, a distribution network temperature monitoring unit, a box door status monitoring unit, a distribution station area grounding resistance monitoring unit, a data processing unit, and an APP connection unit, wherein the output ends of the pole tilt monitoring unit, the distribution network temperature monitoring unit, the box door status monitoring unit, and the distribution station area grounding resistance monitoring unit are signal-connected to the data processing unit, and the output end of the data processing unit is signal-connected to the APP connection unit.

[0006] The pole tilt monitoring unit comprises a pole angle acquisition module and a pole angle data upload module, and the output end of the pole angle acquisition module is signal-connected to the pole angle data upload module.

[0007] The distribution network temperature monitoring unit includes a cable joint temperature data acquisition module, a knife switch joint temperature data acquisition module and a data concentration upload module. The output ends of the cable joint temperature data acquisition module and the knife switch joint temperature data acquisition module are signal-connected to the data concentration upload module.

[0008] The box door status monitoring unit comprises a box door monitoring data acquisition module and a signal uploading module, and the output end of the box door monitoring data acquisition module is signal-connected to the signal uploading module.

[0009] The grounding resistance monitoring unit of the distribution station area includes a grounding resistance data acquisition module and a resistance data upload module, and the output end of the grounding resistance data acquisition module is signal-connected to the resistance data upload module.

[0010] The data processing unit includes a data receiving module, a data analysis and processing module, an alarm reminder module, and a data sending module. The output end of the data receiving module is connected to the data analysis and processing module signal, the output end of the data analysis and processing module is connected to the alarm reminder module signal, and the output end of the alarm reminder module is connected to the data sending module signal.

[0011] The APP connection unit includes a data connection module, a real-time display module, a position navigation module and a data feedback module. The output end of the data connection module is signal-connected to the real-time display module, the output end of the real-time display module is signal-connected to the position navigation module, and the output end of the position navigation module is signal-connected to the data feedback module.

[0012] Preferably, the input end signal of the pole angle acquisition module is connected to an angle sensor for measuring the inclination angle of the poles in the power distribution network. The output end of the pole angle acquisition module is connected to a data receiving module for sending the collected pole inclination angle data.

[0013] Preferably, the input and output ends of the cable joint temperature data acquisition module and the knife switch joint temperature data acquisition module are both signal-connected with temperature sensors for collecting temperature data of the cable joint and the knife switch joint.

[0014] The output end of the data center uploading module is signal-connected to the data receiving module for uploading the collected temperature data of the cable connector and the knife switch connector.

[0015] Preferably, the input end signal of the box door monitoring data acquisition module is connected to an infrared detection sensor for monitoring the status of the box door.

[0016] The output end of the signal uploading module is connected to the data receiving module for sending the collected state data of the door.

[0017] Preferably, the input end signal of the grounding resistance data acquisition module is connected to a grounding resistance measuring instrument for collecting the resistance value data of the grounding resistance.

[0018] The output end of the resistance data uploading module is signal-connected to the data receiving module for uploading the collected grounding resistance data.

[0019] Preferably, the data receiving module is connected to the memory signal, and is used to receive the uploaded data and store it in the memory.

[0020] The data analysis and processing module is connected to the processor signal and is used to analyze the collected data to determine whether the device is in a normal state.

[0021] The output terminal signal of the alarm reminder module is connected to an alarm for alarm reminder of abnormal situations.

[0022] The output end of the data sending module is connected to the data connection module signal, and is used to send the device status information to the mobile phone APP.

[0023] Preferably, the data connection module is used to receive real-time data on device status sent by the data processing unit.

[0024] The real-time display module is used to display the received device status information data in real time on the mobile phone APP.

[0025] The output signal of the position navigation module is connected to the mobile phone navigation software to provide accurate position information of each device.

[0026] The output end of the data feedback module is connected to the data processing unit signal, and is used to feed back the processing information to the processor.

[0027] Compared with the prior art, the present invention provides a distribution network operation and inspection intelligent monitoring system, which has the following beneficial effects: 1. The distribution network operation and inspection intelligent monitoring system, through the pole tilt monitoring unit set up, during use, real-time monitoring of the pole tilt angle data in the power distribution network, collects pole data through the pole angle acquisition module, and calculates the tilt state of the pole through the data analysis and processing module. After filtering the angle change and eliminating the swing caused by strong wind or other factors, it determines whether the pole is tilted, thereby avoiding tipping accidents caused by the tilt of the pole.

[0028] 2. The intelligent monitoring system for distribution network operation and inspection, through the distribution network temperature monitoring unit, monitors the temperature data of cables, joints and switch joints through the cable joint temperature data acquisition module and the switch joint temperature data acquisition module during use. When the substation outlet cabinet, transformer and branch cables, joints and switches fail or the line is overloaded, the temperature rises by more than 10ºC above the ambient temperature, and the alarm is accurately located when it is abnormal. Through mobile phone APP navigation, you can reach the fault point in time and accurately repair it to prevent the fault from occurring. When the system sets the temperature value ≥60ºC, it will automatically alarm and locate, and repair it in time.

[0029] 3. The intelligent monitoring system for distribution network operation and maintenance, through the set box door status monitoring unit, monitors the opening and closing status of the box transformer door through the box door monitoring data acquisition module during use, realizes the abnormal opening alarm of the box transformer door, and prevents human damage and misoperation.

[0030] 4. The distribution network operation and maintenance intelligent monitoring system, through the set distribution station area grounding resistance monitoring unit, monitors the grounding resistance value of the distribution station area through the grounding resistance data acquisition module during use, to avoid damage to the user's electrical equipment caused by excessive grounding resistance or grounding line breakage, as well as abnormal power supply voltage quality. The intelligent operation and maintenance tool can monitor the grounding resistance value in real time and accurately, and can promptly alarm and deal with it.

[0031] The distribution network operation and maintenance intelligent monitoring system, through the set data processing unit and APP connection unit, will process the collected data in real time during use, monitor and store the data, and bind it to the mobile phone APP, so that it can locate operation and maintenance faults more conveniently and accurately, and alarm and deal with them quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor: Figure 1 It is a schematic diagram of the system structure of the present invention; Figure 2 This is a schematic diagram of the structure of the pole tilt monitoring unit of the present invention; Figure 3 This is a schematic diagram of the structure of the distribution network temperature monitoring unit of the present invention; Figure 4 This is a schematic diagram of the structure of the door status monitoring unit of the present invention; Figure 5 This is a schematic diagram of the structure of the ground resistance monitoring unit of the distribution station area of ​​the present invention; Figure 6 This is a schematic diagram of the structure of the data processing unit of the present invention; Figure 7 It is a schematic diagram of the APP connection unit of the present invention.

[0033] In the figure: 1. Pole tilt monitoring unit; 11. Pole angle acquisition module; 12. Pole angle data upload module; 2. Distribution network temperature monitoring unit; 21. Cable joint temperature data acquisition module; 22. Knife switch joint temperature data acquisition module; 23. Data centralized upload module; 3. Box door status monitoring unit; 31. Box door monitoring data acquisition module; 32. Signal upload module; 4. Distribution station area grounding resistance monitoring unit; 41. Grounding resistance data acquisition module; 42. Resistance data upload module; 5. Data processing unit; 51. Data receiving module; 52. Data analysis and processing module; 53. Alarm reminder module; 54. Data sending module; 6. APP connection unit; 61. Data connection module; 62. Real-time display module; 63. Position navigation module; 64. Data feedback module. DETAILED DESCRIPTION

[0034] 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 only 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.

[0035] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] See also Figure 1-7 The present invention provides a technical solution: an intelligent monitoring system for distribution network operation and maintenance, including a pole tilt monitoring unit 1, a distribution network temperature monitoring unit 2, a box door status monitoring unit 3, a distribution station area grounding resistance monitoring unit 4, a data processing unit 5, and an APP connection unit 6. The output ends of the pole tilt monitoring unit 1, the distribution network temperature monitoring unit 2, the box door status monitoring unit 3, and the distribution station area grounding resistance monitoring unit 4 are signal-connected to the data processing unit 5, and the output end of the data processing unit 5 is signal-connected to the APP connection unit 6.

[0037] The pole tilt monitoring unit 1 comprises a pole angle acquisition module 11 and a pole angle data upload module 12 , and the output end of the pole angle acquisition module 11 is signal-connected with the pole angle data upload module 12 .

[0038] The distribution network temperature monitoring unit 2 includes a cable joint temperature data acquisition module 21, a knife switch joint temperature data acquisition module 22 and a data collection and uploading module 23. The output ends of the cable joint temperature data acquisition module 21 and the knife switch joint temperature data acquisition module 22 are signal-connected to the data collection and uploading module 23.

[0039] The door status monitoring unit 3 comprises a door monitoring data acquisition module 31 and a signal uploading module 32 , and the output end of the door monitoring data acquisition module 31 is signal-connected to the signal uploading module 32 .

[0040] The protection structure grade of the abnormal door opening detection sensor shall not be lower than IP65.

[0041] The grounding resistance monitoring unit 4 of the distribution station area includes a grounding resistance data acquisition module 41 and a resistance data upload module 42 , and the output end of the grounding resistance data acquisition module 41 is signal-connected to the resistance data upload module 42 .

[0042] The resistance value monitoring error range is no higher than ±1%.

[0043] The data processing unit 5 includes a data receiving module 51, a data analysis and processing module 52, an alarm reminder module 53, and a data sending module 54. The output end of the data receiving module 51 is signal-connected to the data analysis and processing module 52, the output end of the data analysis and processing module 52 is signal-connected to the alarm reminder module 53, and the output end of the alarm reminder module 53 is signal-connected to the data sending module 54.

[0044] The APP connection unit 6 includes a data connection module 61, a real-time display module 62, a position navigation module 63 and a data feedback module 64. The output end of the data connection module 61 is signal-connected to the real-time display module 62, the output end of the real-time display module 62 is signal-connected to the position navigation module 63, and the output end of the position navigation module 63 is signal-connected to the data feedback module 64.

[0045] The control application APP achieves data communication response with the server without delay.

[0046] Furthermore, the input end signal of the pole angle acquisition module 11 is connected to an angle sensor for measuring the inclination angle of the poles in the power distribution network. The output end of the pole angle acquisition module 11 is connected to the data receiving module 51 for sending the collected pole inclination angle data.

[0047] Furthermore, the input and output ends of the cable joint temperature data acquisition module 21 and the knife switch joint temperature data acquisition module 22 are both connected to temperature sensors for collecting temperature data of the cable joints and the knife switch joints. The parameter range of the temperature detection sensor should meet the following requirements: contact temperature measurement accuracy of ±1°C, ambient temperature measurement range of -40°C to 120°C, ambient humidity measurement range of 0% to 99%, operating temperature range of -40°C to 85°C, direct contact temperature measurement, short system inspection cycle, and rapid response to temperature changes at the measured points.

[0048] The output end of the data center uploading module 23 is signal-connected to the data receiving module 51 for uploading the collected temperature data of the cable connector and the knife switch connector.

[0049] Furthermore, the input signal of the door monitoring data acquisition module 31 is connected to an infrared detection sensor for monitoring the state of the door.

[0050] The output end of the signal uploading module 32 is connected to the data receiving module 51 for sending the collected state data of the door.

[0051] Furthermore, the input terminal signal of the grounding resistance data acquisition module 41 is connected to a grounding resistance measuring instrument for collecting the resistance value data of the grounding resistance.

[0052] The output end of the resistance data uploading module 42 is signal-connected to the data receiving module 51 for uploading the collected ground resistance data.

[0053] Furthermore, the data receiving module 51 is connected to the memory signal for receiving the uploaded data and storing it in the memory.

[0054] The data analysis and processing module 52 is connected to the processor signal and is used to analyze the collected data to determine whether the device is in a normal state.

[0055] In the data analysis and processing module 52, the data is first cleaned, duplicate data is removed, missing values ​​are filled, and errors are corrected. The data is then converted and scaled to a standard range. The data is then aggregated and integrated, and data from the same source are merged into one data set. The data set is modeled, a data model is created to predict future trends, and the data results are stored for later retrieval and management.

[0056] When processing the pole inclination angle data, the angle a is calculated using the sine function by monitoring the pole's inclination length data l and the pole height data h.

[0057] By calculating the value of sin a according to the formula and calculating the corresponding angle of a according to the inverse trigonometric function, the inclination angle of the pole can be known. If the deviation angle of the pole is ≤5°, the system remains normal. When the system collects data that the pole is tilted >5°, an alarm reminder is issued through the alarm reminder module 53, and the alarm information is downloaded to the mobile phone APP. At the same time, the position of the tilted pole is provided through the position navigation module 63.

[0058] The output signal of the alarm reminder module 53 is connected to an alarm for alarm reminder of abnormal situations.

[0059] The output end of the data sending module 54 is signal-connected to the data connection module 61 for sending the device status information to the mobile phone APP.

[0060] Furthermore, the data connection module 61 is used to receive the real-time data of the device status sent by the data processing unit 5 .

[0061] The real-time display module 62 is used to display the received device status information data in real time on the mobile phone APP.

[0062] The output signal of the location navigation module 63 is connected to the mobile phone navigation software to provide accurate location information of each device.

[0063] The output end of the data feedback module 64 is signal-connected to the data processing unit 5 for feeding back the processing information to the processor.

[0064] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A distribution network operation and inspection intelligent monitoring system, comprising a pole tilt monitoring unit (1), a distribution network temperature monitoring unit (2), a box door status monitoring unit (3), a distribution station area grounding resistance monitoring unit (4), a data processing unit (5), and an APP connection unit (6), characterized in that: The output ends of the pole tilt monitoring unit (1), the distribution network temperature monitoring unit (2), the box door status monitoring unit (3), and the distribution station area grounding resistance monitoring unit (4) are signal-connected to the data processing unit (5), and the output end of the data processing unit (5) is signal-connected to the APP connection unit (6); the pole tilt monitoring unit (1) comprises a pole angle acquisition module (11) and a pole angle data upload module (12), and the output end of the pole angle acquisition module (11) is signal-connected to the pole angle data upload module (12); the distribution network temperature monitoring unit (2) comprising a cable joint temperature data acquisition module (21), a knife switch joint temperature data acquisition module (22) and a data collection and uploading module (23), wherein the output ends of the cable joint temperature data acquisition module (21) and the knife switch joint temperature data acquisition module (22) are connected to the data collection and uploading module (23) by signal; the box door status monitoring unit (3) comprises a box door monitoring data acquisition module (31) and a signal uploading module (32), wherein the output end of the box door monitoring data acquisition module (31) is connected to the signal uploading module (32) by signal; the distribution station area is grounded The resistance monitoring unit (4) comprises a ground resistance data acquisition module (41) and a resistance value data uploading module (42), wherein the output end of the ground resistance data acquisition module (41) is signal-connected to the resistance value data uploading module (42); the data processing unit (5) comprises a data receiving module (51), a data analysis and processing module (52), an alarm reminder module (53), and a data sending module (54), wherein the output end of the data receiving module (51) is signal-connected to the data analysis and processing module (52), and the output end of the data analysis and processing module (52) is signal-connected to the alarm reminder module (53) signal connection, the output end of the alarm reminder module (53) is signal connected to the data sending module (54); the APP connection unit (6) includes a data connection module (61), a real-time display module (62), a position navigation module (63) and a data feedback module (64), the output end of the data connection module (61) is signal connected to the real-time display module (62), the output end of the real-time display module (62) is signal connected to the position navigation module (63), and the output end of the position navigation module (63) is signal connected to the data feedback module (64).

2. According to claim 1, a distribution network operation and inspection intelligent monitoring system is characterized by: The input end signal of the pole angle acquisition module (11) is connected to an angle sensor for measuring the inclination angle of the poles in the power distribution network; the output end of the pole angle acquisition module (11) is connected to a data receiving module (51) for sending the collected pole inclination angle data.

3. According to claim 1, the intelligent monitoring system for distribution network operation and inspection is characterized in that: The input and output ends of the cable joint temperature data acquisition module (21) and the knife switch joint temperature data acquisition module (22) are both signal-connected to temperature sensors for collecting temperature data of the cable joint and the knife switch joint; the output end of the data collection and uploading module (23) is signal-connected to the data receiving module (51) for uploading the collected temperature data of the cable joint and the knife switch joint.

4. The intelligent monitoring system for distribution network operation and inspection according to claim 1 is characterized in that: The input end of the door monitoring data acquisition module (31) is signal-connected to an infrared detection sensor for monitoring the state of the door; the output end of the signal upload module (32) is signal-connected to a data receiving module (51) for sending the collected door state data.

5. The intelligent monitoring system for distribution network operation and inspection according to claim 1 is characterized in that: The input end of the grounding resistance data acquisition module (41) is signal-connected to a grounding resistance measuring instrument for collecting grounding resistance data; the output end of the resistance value data uploading module (42) is signal-connected to a data receiving module (51) for uploading the collected grounding resistance data.

6. The intelligent monitoring system for distribution network operation and inspection according to claim 1 is characterized by: The data receiving module (51) is signal-connected to the memory for receiving uploaded data and storing it in the memory; the data analysis and processing module (52) is signal-connected to the processor for analyzing the collected data and determining whether the device is in a normal state; the output end of the alarm reminder module (53) is signal-connected to an alarm for issuing an alarm reminder for abnormal situations; the output end of the data sending module (54) is signal-connected to the data connection module (61) for sending device status information to a mobile phone APP.

7. The intelligent monitoring system for distribution network operation and inspection according to claim 6 is characterized in that: The data connection module (61) is used to receive real-time data on the device status sent by the data processing unit (5); the real-time display module (62) is used to display the received device status information data in real time on the mobile phone APP; the output end signal of the position navigation module (63) is connected to the mobile phone navigation software, which is used to provide accurate position information of each device; the output end of the data feedback module (64) is connected to the data processing unit (5) by signal, which is used to feed back the processed information to the processor.

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