CN202093076U - Electric energy detection system - Google Patents

Abstract

The embodiment of the utility model discloses an electric energy detection system, which includes a full electronic watt-hour meter, an on-site monitoring module, a control terminal module and a management center module, the output port of the full electronic watt-hour meter and the watt-hour meter of the on-site monitoring module The data collection port is connected by communication, and the output port of the on-site monitoring module is connected with the input port of the control terminal module and the management center module at the same time. In the electric energy detection system provided by the utility model, the on-site detection module can timely transmit the relevant data parameters of the full electronic watt-hour meter to the control terminal module, so that relevant personnel can know the data parameters of the full electronic watt-hour meter at any time; the on-site monitoring module can also The electricity theft evidence of the electricity thief is recorded in a timely and effective manner, and the electricity theft evidence is processed and sent to the management center module for storage. Therefore, the electric energy detection system provided by the utility model can timely and effectively discover the electricity stealing behavior, and can directly obtain the electricity stealing evidence of the electricity thief.

Description

A power detection system

technical field

The utility model relates to the technical field of electric energy detection, in particular to an electric energy detection system. the

Background technique

With the rapid development of the economy, the demand for electricity from all walks of life continues to expand, which stimulates the expansion of the electricity sales market, and the expansion of the electricity sales market stimulates the development of the entire electricity production. the

However, with the increase of electricity consumption in all walks of life, especially with the establishment of a market economy system, the problem of electricity theft has become more and more prominent. the

Due to the prominent problem of stealing electricity, the power supply enterprises have suffered huge economic losses. The problem of stealing electricity not only plagues the development of electric power enterprises, but also seriously affects the stability of the country's economic construction. Therefore, how to timely and accurately discover power theft and avoid economic losses to power companies and the country has become a top priority for the power sector and relevant state departments. the

Now, the difficulty of anti-stealing electricity is that the existing management methods and technical means cannot keep up with the changes in the way and technical level of electricity theft, especially it is difficult to detect electricity theft in time and obtain direct evidence of electricity theft. . the

Therefore, how to provide an electric energy detection system capable of timely and effectively discovering electricity theft and directly obtaining the evidence of the electricity theft has become a technical problem to be solved urgently by those skilled in the art. the

Utility model content

In view of this, the utility model provides an electric energy detection system to discover electricity stealing behavior in time and obtain the electricity stealing evidence. the

In order to achieve the above object, the utility model embodiment provides the following technical solutions:

An electric energy detection system, including a full electronic watt-hour meter, also includes a field monitoring module, a control terminal module and a management center module, the output port of the full electronic watt-hour meter is connected to the watt-hour meter data acquisition port of the field monitoring module , the output port of the on-site monitoring module is communicatively connected with the input ports of the control terminal module and the management center module at the same time. the

Preferably, the output port of the full electronic watt-hour meter is specifically an RS485 interface. the

Preferably, the output port of the on-site monitoring module is specifically connected to the input port of the control terminal module and the management center module through the GPRS network. the

Preferably, the control terminal module is specifically a mobile phone. the

Preferably, the on-site monitoring module specifically includes a camera unit, a communication unit, a control unit, and a sensing unit that detects whether there is a human body in a preset area;

The sensing unit is communicatively connected to the control unit;

The control unit is connected in communication with the camera unit;

The communication unit is respectively connected to the control terminal module and the management center module in communication;

The RS485 interface of the full electronic watt-hour meter communicates with the control unit. the

Preferably, the sensing unit is specifically a pyroelectric infrared sensor. the

Preferably, the camera unit is specifically an LMM2100A camera module. the

Preferably, the communication unit is specifically an ETPRo++ module. the

Preferably, the control unit includes a C8051F020 microcontroller, a photoelectric isolation circuit (HCPL-2531) and a MAX202 chip;

The C8051F020 single-chip microcomputer is connected with the MAX202 chip for communication;

The MAX202 chip is in communication connection with the communication unit. the

For the problems in the above-mentioned background technology, a kind of electric energy detection system provided by the utility model includes a full electronic watt-hour meter, and also includes an on-site monitoring module, a control terminal module and a management center module, and the output port of the full electronic watt-hour meter It communicates with the data acquisition port of the watt-hour meter of the on-site monitoring module, and the output port of the on-site monitoring module communicates with the input ports of the control terminal module and the management center module at the same time. the

Communication connection refers to a connection method between two modules to realize the transmission of relevant data between the two modules through various ports. the

In the electric energy detection system provided by the utility model, when stealing electricity occurs, the operating parameters of the all-electronic watt-hour meter are sent to the on-site monitoring module through the output port of the all-electronic watt-hour meter. After analyzing the operating parameters transmitted by the meter, the signal is sent to the control terminal module, and the relevant departments and agencies can control the power system through the control terminal module, so that the stealing behavior of the electricity thief fails; at the same time, the on-site monitoring module can also The stealing evidence of the electricity stealer is recorded in a timely and effective manner, and the evidence of electricity stealing is processed and sent to the management center module for storage. the

Therefore, the electric energy detection system provided by the utility model can timely and effectively discover the electricity stealing behavior, and can directly obtain the electricity stealing evidence of the electricity thief. the

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work. the

Fig. 1 is the schematic diagram of the structural frame of the electric energy detection system provided by the utility model;

Fig. 2 is the schematic diagram of the on-site monitoring module structural framework of the electric energy detection system provided by the utility model;

Fig. 3 is a schematic diagram of the structural framework principle between the on-site modules of the electric energy detection system provided by the utility model;

Fig. 4 is a schematic diagram of the circuit structure of the communication unit of the electric energy detection system provided by the present invention. the

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model. the

Please refer to Fig. 1 to Fig. 4, Fig. 1 is the schematic diagram of the structural framework of the electric energy detection system provided by the utility model; Fig. 2 is the structural framework schematic diagram of the on-site monitoring module of the electric energy detection system provided by the utility model; Fig. 3 is the schematic diagram of the utility model The schematic diagram of the structural framework between the various modules of the electric energy detection system provided by the new model; Figure 4 is a schematic diagram of the circuit structure of the communication unit of the electric energy detection system provided by the utility model. the

As shown in Figure 1, the electric energy detection system provided by the utility model includes a full electronic watt-hour meter, and also includes an on-site monitoring module, a control terminal module and a management center module, and the output port of the full electronic watt-hour meter is connected to the on-site monitoring module. The data collection port of the watt-hour meter is connected by communication, and the output port of the on-site monitoring module is connected by communication with the input ports of the control terminal module and the management center module at the same time. the

It should be clear that the "communication connection" mentioned above and later mentioned refers to a kind of communication between two modules that can realize related data transmission between two modules after they are connected through corresponding connection methods. The connection method can specifically be a wireless communication connection, a data line connection, an infrared connection, etc., as long as the transmission of data between two related modules can be satisfied. the

In the electric energy detection system provided by the utility model, when stealing electricity occurs, the operating parameters of the all-electronic watt-hour meter are sent to the on-site monitoring module through the output port of the all-electronic watt-hour meter. After analyzing the operating parameters transmitted by the meter, the signal is sent to the control terminal module, and relevant departments and agencies can control the power system through the control terminal module, so that the stealing behavior of the electricity thief fails; at the same time, the on-site monitoring module can also The electricity stealing evidence of the electrician is recorded in a timely and effective manner, and the electricity stealing evidence is processed and sent to the management center module for storage. the

Therefore, the electric energy detection system provided by the utility model can timely and effectively discover the electricity stealing behavior, and can directly obtain the electricity stealing evidence of the electricity thief. the

Specifically, the output port of the full electronic watt-hour meter is an RS485 interface. That is, the full electronic watt-hour meter and the on-site monitoring module are connected through the RS485 bus. The RS485 interface can not only realize the point-to-point communication mode, but also realize the networking function; and the RS-485 interface uses a balanced driver and a differential receiver. The combination of the device, its ability to resist common mode interference is enhanced, that is, it has good anti-noise interference. Therefore, the RS485 interface can enable relevant departments to better control it through the networking of the control terminal module, and make the interference of the full electronic watt-hour meter transmission data very low. the

Further, because the on-site monitoring module is used to monitor the on-site situation, and the control terminal module and the management center module are far away from the on-site monitoring module, therefore, the output port of the on-site monitoring module can specifically communicate with the control terminal module and the management center module through the GPRS network. The input port communication connection. In this way, relevant data can be transmitted between the on-site monitoring module, the control terminal module and the management center module through the GPRS network, and the on-site monitoring data can be transmitted to the control terminal module and the management center module in a timely and effective manner, enabling relevant personnel to communicate in the first time Get relevant information and deal with it accordingly. the

Furthermore, the control terminal module mentioned in the above technical solution may specifically be a mobile phone. Because the mobile phone can be carried with you, the relevant data obtained by the on-site monitoring module can be sent to the mobile phone through the GPRS network through SMS, and the relevant personnel can also send command text messages including random meter reading and control commands to the on-site monitoring module through SMS, so Said that the control terminal module is specifically set as a mobile phone, so that relevant personnel can understand the information obtained by the on-site monitoring module anytime and anywhere, and can control the on-site monitoring module in a timely manner. the

The on-site monitoring module mentioned in the above technical solution specifically includes a camera unit, a communication unit, a control unit, and a sensing unit that detects whether there is a human body in a preset area; the sensing unit communicates with the control unit; the control unit communicates with the control unit. The camera unit is in communication connection; the communication unit is in communication connection with the control terminal module and the management center module respectively; the RS485 interface of the full electronic watt-hour meter is in communication connection with the control unit. the

Specifically, the sensing unit is specifically a pyroelectric infrared sensor; this embodiment uses the principle of passive infrared detection to determine whether someone has entered the installation site of the electric energy meter. If someone enters, the passive infrared probe of the pyroelectric infrared sensor can receive the infrared rays sent by the human body, and can output a pulse after being processed by the relevant circuit. Through this pulse, the control unit can identify that the electricity stealing behavior has occurred, and then Carry out corresponding on-site camera operations, etc. the

The camera unit is specifically the LMM2100A camera module; the LMM2100A camera module can capture pictures in JPEG format. Relatively, pictures in JPEG format have the highest compression rate and the least amount of image data without affecting the visual effect, so it can be greatly reduced. On-site monitoring module processing, storage and data transmission workload, improve its processing efficiency. the

The communication unit is specifically the ETPRo++ module; the ETPRo++ module uses a common 232 interface and a simple AT command interaction interface; the ETPRo++ module is an intelligent mobile terminal, which uses AT commands (from terminal equipment or data terminal equipment to terminal adapters or The instructions sent by the data circuit terminal equipment) and the AT+I command of Connect One Company to control its various working modes and working parameters; as long as the SIM card and antenna are installed on the ETPRo++ module, the communication interface is connected, and the successful communication test is passed After that, perform necessary initialization settings such as communication baud rate, short message communication format, automatic prompt after receiving a short message, POP3 server of the mailbox, SMTP server, etc., and then the operation of sending and receiving short messages and e-mails can be carried out Therefore, the communication unit is specifically defined as the ETPRo++ module, which ensures the convenience of the on-site monitoring module to transmit data to the control terminal module and the management center module. the

The control unit includes a C8051F020 single-chip microcomputer and a MAX202 chip, the C8051F020 single-chip microcomputer is connected to the MAX202 chip by communication, and the MAX202 chip is connected to the communication unit by communication. the

C8051F020 single-chip microcomputer is a powerful system on a chip, it has a core compatible with 8051, and an instruction set fully compatible with MCS-51. Due to the pipeline structure, the instruction machine cycle is 1 system clock cycle, the processing capacity is greatly improved, the peak performance can reach 25MIPS, and the on-chip JTAG debugging function is supported. On-chip integrated resources include: crossbar switch, 64K in-system programmable FLASH program memory, 4K internal data RAM, 128B data FLASH, two enhanced serial communication ports, SMBus (12C compatible), programmable Counter array (PCA), four external interrupts, SPI bus, two voltage comparators (CP0 and CP1), ADC/DAC converter, 22 vector interrupt sources, on-chip voltage reference and on-chip watchdog, etc. the

The MAX202 chip is a digital signal processing chip produced by Maxim, which is generally used for signal receiving and processing. The MAX202 chip can perform level conversion. the

To sum up the specific conditions of each unit used in the on-site monitoring module, the specific working principle of the on-site monitoring module can be simply summarized as follows: when someone enters the installation site of the full electronic watt-hour meter, the passive infrared sensor of the pyroelectric The infrared probe can receive the infrared rays sent by the human body, and after being processed by the relevant circuit, it can output a pulse. Through this pulse, the C8051F020 single-chip microcomputer of the control unit can recognize that the electric stealing behavior has occurred; and then the C8051F020 single-chip microcomputer can send instructions to the LMM2100A camera module , the LMM2100A camera module starts to collect images of the corresponding detection site, and transmits the collected image data to the C8051F020 single-chip computer, and the C8051F020 single-chip computer sends the relevant data to The mobile phone as the control terminal module also transmits relevant image data to the management center module, so that relevant personnel can know the occurrence of power theft in time and directly obtain the evidence of power theft. the

Please refer to Figure 2, Figure 3 and Figure 4 for the connection relationship between the various units included in the on-site detection module. the

Wherein, as shown in Figure 4, the communication unit is an important part of the on-site monitoring module, which is mainly responsible for communicating with the GPRS network, and packing user data into TCP/IP data, or stripping TCP/IP packets into user data; The interface circuit diagram of the ETPRo++ module is shown in Figure 4. It can be seen from Figure 4 that the field unit is through the serial communication port UART0 of the single-chip microcomputer C8051F020, after being processed by the photoelectric isolation circuit (HCPL-2531), the level conversion is performed by the MAX202 chip, and finally connected to the communication module. In order to reset the GPRS module thermally, connect the port of the microcontroller to the reset pin after optoelectronic isolation. the

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein. the

Claims (9)

1. electric energy detection system, comprise the full-electronic watt-hour meter, it is characterized in that, also comprise on-site supervision module, control terminal module and management center module, the output port of described full-electronic watt-hour meter is connected with the watt-hour meter data acquisition port communication of on-site supervision module, and the data-out port of described on-site supervision module is connected with the input port communication of control terminal module and management center module simultaneously.

2. electric energy detection according to claim 1 system is characterized in that the output port of described full-electronic watt-hour meter is specially the RS485 interface.

3. electric energy detection according to claim 2 system is characterized in that the output port of described on-site supervision module specifically is connected with the input port communication of control terminal module and management center module respectively by GPRS network.

4. electric energy detection according to claim 3 system is characterized in that described control terminal module is specially mobile phone.

5. electric energy detection according to claim 3 system is characterized in that, described on-site supervision module specifically comprises image unit, communication unit, control module and the sensing unit that whether has human body to exist at the predeterminable area internal induction;

Described sensing unit is connected with described control module communication;

Described control module is connected with described image unit communication;

Described communication unit is connected with control terminal module and management center module communication respectively;

The RS485 interface of described full-electronic watt-hour meter is connected with the control module communication.

6. electric energy detection according to claim 5 system is characterized in that described sensing unit is specially pyroelectric infrared sensor.

7. electric energy detection according to claim 5 system is characterized in that described image unit is specially the LMM2100A photographing module.

8. electric energy detection according to claim 5 system is characterized in that described communication unit is specially the ETPRo++ module.

9. electric energy detection according to claim 5 system is characterized in that described control module comprises C8051F020 single-chip microcomputer and MAX202 chip;

Described C8051F020 single-chip microcomputer is connected with the communication of MAX202 chip; Described MAX202 chip is connected with the communication unit communication.

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