CN205880025U - Novel it is anti -electricity -theft with high pressure load collector - Google Patents

Abstract

The utility model relates to a novel high-voltage load collector for anti-stealing, and its technical feature is that it includes a housing and a control circuit of the high-voltage load collector for preventing electricity theft inside, and the high-voltage load collector for preventing electricity theft controls The circuit includes: Rogowski coil current transformer, A/D conversion circuit, single-chip microcomputer, super capacitor, weak light solar panel, spare lithium battery and RF radio frequency communication module; , simple and convenient, good concealment and low cost, economical and practical. And use the three-phase high-voltage load data collected by the optional and replaceable multi-node anti-theft high-voltage load collector to accurately locate the electricity-stealing user, which can save a lot of manpower and material resources.

Description

A new high-voltage load collector for anti-stealing electricity

technical field

The utility model belongs to the technical field of electric power measurement, and relates to a reliable appliance for preventing electricity theft, in particular to a novel high-voltage load collector for preventing electricity theft.

Background technique

The development of the national economy has promoted the rapid development of electric power construction, and the gradual improvement of the power consumption information collection system has promoted the improvement of line loss management. According to statistics, electricity theft is the main cause of non-technical line loss, but for a long time, the phenomenon of electricity theft has not been effectively curbed, and some illegal enterprises achieve the purpose of paying less electricity bills by means of under-calculation or even non-calculation of electricity. Cause a large loss of national electric energy and loss of national property. However, with the development of technology, the means of stealing electricity presents the characteristics of concealment, diversification, rapidity, and high-tech, especially in the occasions where large-scale users steal electricity and use electricity, many users steal electricity with concealed means and high technological content , Conventional electricity inspection methods are difficult to be effective. It poses a threat to national property and national security. Therefore, there is an urgent need for a high-tech, convenient and fast new anti-stealing high-voltage load collector to prevent, monitor, and contain the occurrence of electricity theft, and reduce the losses caused by electricity theft to enterprises and the country.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a novel anti-stealing high-voltage load collector with reasonable design, strong concealment, fast reliability and real-time online automatic warning function.

The utility model solves its technical problem and realizes by taking the following technical solutions:

A new high-voltage load collector for anti-stealing, including a housing and a control circuit for the high-voltage load collector for preventing electricity theft, the control circuit for the high-voltage load collector for preventing electricity theft includes: a Rogowski coil current transformer, A/D conversion circuit, single-chip microcomputer, supercapacitor, low-light solar panel, spare lithium battery and RF radio frequency communication module; Current data on the high-voltage line; the output terminal of the single-chip microcomputer transmits the current data to the solar overhead substation through the RF radio frequency communication module; the low-light solar panel is installed on the housing, and its output terminal is connected with the supercapacitor , the output end of the supercapacitor is connected with a single-chip microcomputer for storing electric energy and powering the single-chip microcomputer; the input end of the single-chip microcomputer is also connected with a spare lithium battery.

Advantage and positive effect of the present utility model are:

1. The high-voltage load collector for anti-stealing electricity of the utility model can be separated from the user's field of vision and has good concealment. It can realize real-time online, fast and reliable segmental monitoring of three-phase high-voltage lines, ensuring that inspectors can quickly find high-loss segment, and then quickly, accurately, and real-time locate power-stealing users.

2. The high-voltage load collector for anti-theft of electricity of the present utility model forms a new high-voltage load collector for anti-theft of electricity by means of advanced wireless smart sensor technology and solar charging/power supply technology. The three-phase high-voltage branch load information is notified to the inspector's mobile phone in a timely manner, which is convenient for the inspector to judge and deal with in a timely manner. The high-voltage load collector for anti-stealing electricity of the utility model is non-intervention, does not need power outages, wiring changes, etc., and can be installed, disassembled and reused at any time.

Description of drawings

Fig. 1 is the internal control circuit block diagram of the high-voltage load collector for anti-stealing electricity of the present utility model;

Fig. 2 is the system connection schematic diagram of the present utility model;

Fig. 3 is a block diagram of the internal control circuit of the solar overhead substation of the present invention.

detailed description

Below in conjunction with accompanying drawing, the utility model embodiment is described in further detail:

A novel anti-stealing high-voltage load collector, as shown in Figure 1, includes a housing and an internal anti-stealing high-voltage load collector control circuit, and the anti-stealing high-voltage load collector control circuit includes: Rogowski coil current transformer, A/D conversion circuit, single-chip microcomputer, supercapacitor, weak light solar panel, spare lithium battery and RF radio frequency communication module; connected to collect the current data on the overhead high-voltage line; the output of the single-chip microcomputer transmits the current data to the solar overhead substation through the RF radio frequency communication module; the weak light solar panel is installed on the housing, and its output is connected to the The supercapacitor is connected, and the output terminal of the supercapacitor is connected with a single-chip microcomputer for storing electric energy and powering the single-chip microcomputer; the input terminal of the single-chip microcomputer is also connected with a spare lithium battery.

In this embodiment, a Rogowski coil current transformer is used to measure the high-voltage load current, and the relative measurement error accuracy is ±1%, so that the current data on the overhead high-voltage line collected by the high-voltage load collector for anti-stealing of the present utility model are more accurate. accurate.

The working principle of the high-voltage load collector for anti-stealing electricity of the present utility model is:

The high-voltage load monitor collects the current data on the high-voltage line through the Rogowski coil current transformer, and converts it to the single-chip microcomputer through the AD conversion circuit. The single-chip microcomputer wakes up the RF radio frequency communication module through the internal clock and transmits the data to the solar overhead substation. At the same time, the power supply of the equipment is provided by solar panels, the supercapacitor provides power storage, and a lithium battery is used as a backup power supply to ensure the normal power supply of the equipment under different weather conditions.

In the practical application of the utility model, it is usually used in conjunction with the solar overhead substation and the remote receiving terminal to form a new type of photovoltaic branch monitoring system for anti-stealing electricity.

The new photovoltaic branch monitoring system for anti-stealing electricity, as shown in Figure 2, includes three high voltage load collectors, solar overhead substations and remote receiving terminals;

The three high-voltage load collectors are installed on the three-phase overhead high-voltage line in phases, and are used to collect three-phase high-voltage load data, and transmit the three-phase high-voltage load data to the solar overhead substation through RF wireless radio frequency communication. , while completing high voltage safety isolation;

The solar overhead substation is fixed on the pole through a hoop, receives the three-phase high-voltage load data sent by the three high-voltage load collectors in real time through RF wireless radio frequency communication, and synchronizes the three high-voltage loads through time synchronization. The collector simultaneously completes the statistics and timing freezing of high-voltage load data, and sends the three-phase high-voltage load data to multiple remote receiving terminals through wireless communication, and simultaneously performs time synchronization;

The remote receiving terminal receives and displays the three-phase high-voltage load data of the monitoring node in real time through wireless communication, and transmits it to relevant staff through wireless communication, so that the staff can remotely monitor the three-phase high-voltage load data in real time.

In this embodiment, the remote receiving terminal is a mobile phone terminal or a host computer.

The working principle of the new anti-theft photovoltaic branch monitoring system is:

A new photovoltaic branch monitoring system for anti-stealing electricity, which uses a high-voltage load collector to directly collect high-voltage current load data on three-phase overhead high-voltage lines, and communicates data with solar overhead substations through RF wireless radio frequency, and completes high-voltage safety isolation; The solar overhead substation collects high-voltage load data through RF radio frequency, and synchronizes the time of the high-voltage load collector. At the same time, it completes the statistics of load data and freezes the time. Perform time synchronization. Use the remote GSM/GPRS of the smart phone to collect the high-voltage load data of the inspection node in real time, and then notify the relevant personnel through the remote GSM or GPRS or APP or WeChat group of the smart phone to form a three-dimensional evaluation group composed of inspectors, experts and leaders. .

Wherein, the solar overhead substation includes a shell and a solar overhead substation control circuit inside thereof, and the solar overhead substation control circuit, as shown in FIG. 3 , includes: an RF wireless communication module, a solar main power supply board, a lithium battery Standby power supply, MCU, GPRS communication module and real-time clock module; Described solar main power board is installed on the shell and is connected with MCU, is used to supply power for described MCU; Described lithium battery backup power supply is connected with MCU, is used for Store backup electric energy; the input end of the MCU is connected with the real-time clock module for precise time control and time synchronization during each remote communication; the input end of the MCU is connected with the RF wireless communication module for real-time receiving the three-phase high-voltage load data sent by the three high-voltage load collectors; the output end of the MCU is connected to a GPRS communication module for sending the three-phase high-voltage load data to a remote receiving terminal.

In this embodiment, the output end of the MCU is also connected to the radio frequency debugging interface, which is used for on-site debugging and upgrading of the equipment.

In this embodiment, the working principle of the solar overhead substation is:

The function of the solar overhead sub-station is to transmit the three-phase high-voltage load data to the remote receiving terminal in real time online, and the high-solar overhead sub-station receives the data sent by the high-voltage load monitor through the RF wireless communication module, and transmits the data through the GPRS communication module Remote transmission to the remote receiving terminal. The operating power of the solar overhead substation comes from the power generated by the main power panel of the solar battery and the energy storage of the rechargeable lithium battery. The RF wireless communication module is in the receiving standby state, activates the whole system after receiving the data from the high voltage load monitor, and processes the data. The MCU also has the function of real-time monitoring of battery power. When the power is low, the on-site data can be temporarily stored. When the power is sufficient, the data can be transmitted remotely through the GPRS module. The solar overhead substation uses an external real-time clock to precisely control the time, and performs time synchronization during each remote communication. At the same time, for the convenience of debugging, the equipment reserves a wireless radio frequency debugging port, which is convenient for on-site program debugging and upgrading.

The installation process of each node of the new anti-theft photovoltaic branch monitoring system is:

On the three-phase overhead high-voltage line, use special installation tools to install three intelligent high-voltage load collectors in phases, and use hoops to fix the solar overhead substation on the pole 5 at a height above 4m from the ground, and the installation of one inspection node is completed .

The anti-theft photovoltaic branch monitoring system has the advantages of simple installation, no external power supply, and high environmental adaptability.

Specifically, the photovoltaic branch monitoring system for anti-stealing electricity has the following beneficial effects:

1. In this embodiment, the photovoltaic branch monitoring system for anti-stealing is a non-intrusive anti-stealing photovoltaic branch monitoring system for high-supply and high-voltage lines. In order to strengthen the management and control of large-scale users and enrich the means and methods of electricity consumption inspection, the photovoltaic branch monitoring system includes three high-voltage load collectors and solar overhead substations, and is used in conjunction with remote receiving terminals to complete human-computer interaction. Three high-voltage load collectors are respectively clamped on the monitored three-phase high-voltage line to collect three-phase high-voltage load data, and send the collected three-phase high-voltage load data to the solar overhead substation through RF wireless radio frequency; the solar overhead substation The on-site radio frequency of the station receives and sorts the three-phase high-voltage load data in real time, and transmits the sorted and analyzed three-phase high-voltage load data to the remote receiving terminal remotely through the wireless public network. The high-voltage load collector and the solar overhead substation of the utility model are convenient to move, and the installation location is flexible; the remote GSM/GPRS of the remote receiving terminal collects the high-voltage load data of the monitoring node in real time, cooperates with the monitor, and passes through GSM or GPRS or APP Or notify the relevant personnel in the WeChat group to form a three-dimensional evaluation group. It is convenient for relevant staff to quickly, accurately and real-time locate electricity stealing users.

2. The photovoltaic branch monitoring system for anti-theft electricity adopts a clamp-type high-voltage load collector and an overhead solar overhead substation, which does not require an external power supply, does not stop power supply, does not interfere with installation and disassembly, is simple and convenient, and has good concealment; this practical The new model makes full use of popular remote receiving terminals (such as smart phones) and mobile networks, and adopts multi-routing and multimedia data information notification methods, which are low in cost and economical and practical; the utility model can be selectively and replaceably installed on multiple nodes of high-voltage lines The high-voltage load collector and the solar overhead substation collect the three-phase high-voltage load data on each node of the high-voltage line, and then the group notifies the relevant personnel to form a three-dimensional evaluation group, which screens and analyzes the collected three-phase high-voltage load data in a targeted manner, and accurately locates the power-stealing user , and enable inspectors, experts, and leaders to analyze and communicate online at the same time, which can save a lot of manpower and material resources.

3. The photovoltaic branch monitoring system for anti-theft uses advanced wireless smart sensor technology, solar charging/power supply technology, combined with GSM SMS notification and Gprs positioning technology, etc., to form a photovoltaic branch monitoring system for anti-theft, without interfering with electricity consumption Under the premise of the household, the three-phase high-voltage branch load information is notified to the inspector's mobile phone in a concealed and real-time manner, which is convenient for the inspector to judge and deal with in a timely manner. The high-voltage load collector and the solar overhead substation of the utility model are non-interventional, do not need power outages, line changes, etc., and can be installed, disassembled and reused at any time.

Through the application of the utility model, the 10kV line loss rate in the management area of large households in the jurisdiction plummeted to the lowest level in history, and the success rate of inspection actions was increased by more than 3 times. From 2015 to the first quarter of 2016, a total of more than ten 10kV electricity theft cases were investigated and dealt with.

It should be emphasized that the embodiments described in the utility model are illustrative rather than restrictive, so the utility model includes but not limited to the embodiments described in the specific implementation, and those skilled in the art according to the utility model Other implementations derived from the new technical solution also belong to the scope of protection of the utility model.

Claims (1)

1. A novel high-voltage load collector for anti-stealing, characterized in that: the anti-stealing high-voltage load collector control circuit comprising a housing and its interior, the high-voltage load collector control circuit for anti-stealing includes: Rogowski coil current transformer, A/D conversion circuit, single-chip microcomputer, supercapacitor, weak light solar panel, spare lithium battery and RF radio frequency communication module; connected to collect the current data on the overhead high-voltage line; the output of the single-chip microcomputer transmits the current data to the solar overhead substation through the RF radio frequency communication module; the weak light solar panel is installed on the housing, and its output is connected to the The supercapacitor is connected, and the output terminal of the supercapacitor is connected with a single-chip microcomputer for storing electric energy and powering the single-chip microcomputer; the input terminal of the single-chip microcomputer is also connected with a spare lithium battery.