Intelligent operation and maintenance tool box and intelligent operation and maintenance system for low-voltage power distribution network

Abstract

The utility model provides an intelligent operation and maintenance toolbox and an intelligent operation and maintenance system for a low-voltage power distribution network, the toolbox comprises a box body, a plurality of wireless acquisition terminal devices, a plurality of sensor assemblies and insulating gloves, a plurality of accommodating cavities are formed in the box body through flexible parts; the wireless acquisition terminal equipment, the various sensor assemblies and the insulating gloves are all accommodated in the accommodating cavity; the wireless acquisition terminal equipment comprises a shell, and a plurality of communication interfaces, a power supply, an MCU (Microprogrammed Control Unit) and a wireless communication module which are positioned in the shell, the plurality of communication interfaces, the power supply and the wireless communication module are all connected with the MCU, and a fixing part is arranged on the back surface of the shell; and the sensor assembly is provided with a connecting part which can be connected with the communication interface, and is configured to be used for collecting real-time operation data of the power transmission line. According to the utility model, the working efficiency and intelligent means of low-voltage first-aid repair operation are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of Internet of Things, and in particular to an intelligent operation and maintenance tool box and an intelligent operation and maintenance system for a low-voltage distribution network. Background Art

[0002] The low-voltage distribution network is at the end of the entire power grid. It is characterized by wide distribution, large number, complex environment, and high power supply requirements. Currently, most of the low-voltage emergency repair operations of grassroots teams use clamp-type current clamps to manually climb poles repeatedly to check the line load conditions after restoration. This has low work efficiency and poses safety hazards.

[0003] Although there are some technical solutions that use intelligent operation and maintenance toolboxes to monitor and repair lines, the existing intelligent operation and maintenance toolboxes still have problems such as insufficient security and inconvenience in carrying. Utility Model Content

[0004] The utility model provides an intelligent operation and maintenance tool box and an intelligent operation and maintenance system for a low-voltage distribution network, aiming to improve at least one of the above-mentioned technical problems.

[0005] In order to solve the above technical problems, the utility model provides an intelligent operation and maintenance tool box for a low-voltage distribution network, comprising a box body, multiple wireless acquisition terminal devices, multiple sensor components and insulating gloves, wherein a plurality of accommodating cavities are formed in the box body by flexible parts, and the wireless acquisition terminal devices, multiple sensor components and insulating gloves are all accommodated in the accommodating cavities; wherein:

[0006] The wireless acquisition terminal device includes a shell and multiple communication interfaces, a power supply, an MCU and a wireless communication module located in the shell, the multiple communication interfaces, the power supply and the wireless communication module are all connected to the MCU, and a fixing part is provided on the back of the shell;

[0007] The sensor component has a connection portion that can be connected to the communication interface and is configured to be used to collect real-time operation data of the power transmission line.

[0008] Preferably, the flexible member is a sponge.

[0009] Preferably, the wireless communication module includes one or more of a 4 / 5G module, a Bluetooth module, and a Lora module, and the shell is provided with a corresponding antenna outside.

[0010] Preferably, the fixing plate is a buckle.

[0011] Preferably, the sensor assembly includes a current sensor, a voltage sensor, and a temperature sensor; the current sensor supports a current acquisition range of up to 1000A.

[0012] Preferably, the communication interface includes an RS-485 serial port, a DO interface and a DI interface, and the communication interface is formed on the surface of the shell.

[0013] Preferably, the connecting portion is a connecting nut.

[0014] The embodiment of the present invention further provides an intelligent operation and maintenance system, which includes a background server, a monitoring terminal and the intelligent operation and maintenance toolbox as described above; wherein:

[0015] The intelligent operation and maintenance toolbox is used to collect real-time operation data of the power transmission line based on the sensor component, and transmit the data to the background server through the wireless communication module of the wireless collection terminal device;

[0016] The monitoring terminal is used to obtain real-time operation data of the power transmission line by accessing the backend server.

[0017] To sum up, the intelligent operation and maintenance toolbox and intelligent operation and maintenance system of this embodiment, by applying a variety of advanced technical means and design concepts, provide users with safe installation, continuous and real-time monitoring of substation loads, replace the manual clamp current clamp emergency repair method, improve the work efficiency and intelligent means of low-voltage emergency repair operations, are advanced and expandable, and provide strong support for the emergency repair services of low-voltage distribution networks. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a top view of an intelligent operation and maintenance tool box for a low-voltage distribution network provided by the first embodiment of the utility model;

[0020] Figure 2 It is a module schematic diagram of the wireless acquisition terminal device provided by the first embodiment of the utility model;

[0021] Figure 3 It is a schematic diagram of an intelligent operation and maintenance system provided by the second embodiment of the utility model. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the implementation mode of the utility model clearer, the technical scheme in the implementation mode of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation mode of the utility model. Obviously, the described implementation mode is a part of the implementation mode of the utility model, not all of the implementation modes. Based on the implementation mode in the utility model, all other implementation modes obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the implementation mode of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected implementation mode of the utility model. Based on the implementation mode in the utility model, all other implementation modes obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 The first embodiment of the utility model provides an intelligent operation and maintenance toolbox for a low-voltage distribution network, which includes a box body 10, multiple wireless acquisition terminal devices 20, a sensor assembly 30 and insulating gloves. The box body 10 forms a plurality of accommodating cavities through a flexible member 40, and the wireless acquisition terminal devices 20, multiple sensor assemblies 30 and insulating gloves are all accommodated in the accommodating cavities; wherein:

[0024] See also Figure 2 The wireless data acquisition terminal device 10 includes a shell and multiple communication interfaces 21, a power supply 22, an MCU 23 and a wireless communication module 24 located in the shell. The multiple communication interfaces 21, the power supply 22 and the wireless communication module 24 are all connected to the MCU 23, and a fixing portion is provided on the back of the shell.

[0025] In this embodiment, the flexible member 40 may be a sponge. The accommodating cavity formed by the sponge can provide buffering protection for the wireless acquisition terminal device 20 and the sensor assembly 30 to avoid damage to the equipment caused by vibration or shaking.

[0026] In this embodiment, the fixing portion on the back of the shell can be a buckle or a clamp, through which the wireless data acquisition terminal device 10 can be fixed on the transmission line as a whole, thereby realizing continuous and real-time data acquisition of the transmission line.

[0027] In this embodiment, the multiple communication interfaces 21 of the wireless acquisition terminal device 10 may include an RS-485 serial port, a DO interface and a DI interface. The communication interface 21 is formed on the surface of the shell. Various sensors can be connected through the multiple communication interfaces 21, such as temperature sensors, current sensors, voltage sensors, etc., so as to realize the collection of current, voltage and temperature data of the transmission line.

[0028] In this embodiment, the wireless communication module 24 includes one or more of a 4 / 5G module, a Bluetooth module, and a Lora module, and the shell is provided with a corresponding antenna outside.

[0029] Particularly, the wireless communication module 24 is a 4G module, and the antenna is a 4G antenna.

[0030] In this embodiment, the operation data collected by the sensor assembly 30 can be transmitted to the background server through the wireless communication module 24, and the technicians can then implement remote monitoring by accessing the background server.

[0031] In this embodiment, specifically, the working parameters of the wireless acquisition terminal device 20 are as follows:

[0032]

[0033]

[0034] In this embodiment, the sensor assembly 30 has a connection portion 50 that can be connected to the communication interface 21 and is configured to be used to collect real-time operation data of the power transmission line.

[0035] In particular, the connecting portion 50 may be a connecting nut.

[0036] See also Figure 3 The second embodiment of the present invention further provides an intelligent operation and maintenance system, which includes a background server 100, a monitoring terminal 200 and the intelligent operation and maintenance toolbox 300 as described above; wherein:

[0037] The intelligent operation and maintenance toolbox 300 is used to collect real-time operation data of the power transmission line based on the sensor component, and transmit the data to the backend server 100 through the wireless communication module of the wireless acquisition terminal device;

[0038] The monitoring terminal 200 is used to obtain real-time operation data of the power transmission line by accessing the backend server 100 .

[0039] The working principle of the utility model is described in detail below:

[0040] In this embodiment, when a technician wants to collect data on a transmission line, he can carry the operation and maintenance tool box 300 and climb onto the target transmission line, then take out the wireless acquisition terminal device 20 and fix it to the target transmission line through a buckle or a clamp, and then connect and arrange the sensor assembly 30, and then start the wireless acquisition terminal device 20. Since insulating gloves are provided in the operation and maintenance tool box 300 of this embodiment, live installation is supported through the insulating gloves.

[0041] After the wireless acquisition terminal device 20 is started, the operating data of the target transmission line collected by the sensor component 30, such as temperature, current and voltage, can be transmitted to the background server 100 through the wireless communication module. The communication protocol supports multiple methods such as Modbus / Lora / MQTT.

[0042] Among them, the wireless data collection terminal device 20 has the functions of hourly freezing, daily freezing and monthly settlement, and can record the latest 254 hourly freezing records; it has the function of judging events such as undervoltage, overvoltage, overcurrent, overload, current loss, voltage loss, phase loss, power outage and restoration, and failure, and can report them in time.

[0043] Among them, for the collected operation data, the wireless collection terminal device 20 supports analysis and early warning of abnormal events such as overload, low voltage, and three-phase imbalance of distribution network equipment.

[0044] Then, the user can access the backend server 100 through a handheld monitoring terminal 200 (such as a smart phone) to obtain operation data, wherein the monitoring device 200 has the functions of scanning code binding, viewing real-time data, collecting account coordinates, and uploading on-site photos. The user can access the backend server 100 through a small program or APP, which is not specifically limited in the present utility model.

[0045] To sum up, the intelligent operation and maintenance system of this embodiment, by applying a variety of advanced technical means and design concepts, provides users with functions such as real-time monitoring of substation loads, precise fault location, and power supply quality analysis, replaces the manual clamp current clamp emergency repair method, improves the work efficiency and intelligent means of low-voltage emergency repair operations, is advanced and expandable, and provides strong support for the emergency repair services of low-voltage distribution networks.

[0046] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An intelligent operation and maintenance toolbox for a low-voltage distribution network, characterized in that: It includes a box, multiple wireless acquisition terminal devices, sensor components and insulating gloves. The box is formed with a plurality of accommodating cavities by flexible parts. The wireless acquisition terminal devices, multiple sensor components and insulating gloves are all accommodated in the accommodating cavities; wherein: The wireless acquisition terminal device includes a shell and multiple communication interfaces, a power supply, an MCU and a wireless communication module located in the shell, the multiple communication interfaces, the power supply and the wireless communication module are all connected to the MCU, and a fixing part is provided on the back of the shell; The sensor component has a connection portion that can be connected to the communication interface and is configured to be used to collect real-time operation data of the power transmission line.

2. The intelligent operation and maintenance toolbox for low-voltage distribution network according to claim 1, characterized in that: The flexible member is a sponge.

3. The intelligent operation and maintenance toolbox for low-voltage distribution network according to claim 1, characterized in that: The wireless communication module includes one or more of a 4 / 5G module, a Bluetooth module, and a Lora module, and the shell is externally provided with a corresponding antenna.

4. The intelligent operation and maintenance toolbox for low-voltage distribution network according to claim 1, characterized in that: The fixing portion is a buckle.

5. The intelligent operation and maintenance toolbox for low-voltage distribution network according to claim 1, characterized in that: The sensor assembly includes a current sensor, a voltage sensor, and a temperature sensor; the current sensor supports a current acquisition range of up to 1000A.

6. The intelligent operation and maintenance toolbox for low-voltage distribution network according to claim 1, characterized in that: The communication interface includes an RS-485 serial port, a DO interface and a DI interface, and the communication interface is formed on the surface of the shell.

7. The intelligent operation and maintenance toolbox for low-voltage distribution network according to claim 1, characterized in that: The connecting portion is a connecting nut.

8. An intelligent operation and maintenance system, characterized in that: It includes a backend server, a monitoring terminal and an intelligent operation and maintenance toolbox as described in any one of claims 1 to 7; wherein: The intelligent operation and maintenance toolbox is used to collect real-time operation data of the power transmission line based on the sensor component, and transmit the data to the background server through the wireless communication module of the wireless collection terminal device; The monitoring terminal is used to obtain real-time operation data of the power transmission line by accessing the backend server.

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