Electricity consumption information acquisition system and acquisition method

A technology of electricity consumption information and collection system, applied in the direction of electrical signal transmission system, non-electrical signal transmission system, signal transmission system, etc., can solve the problems of poor real-time performance and reliability of data transmission, power carrier conflict, poor user experience, etc. Achieve the effects of improving anti-interference characteristics, preventing accidental damage, and improving reliability

Pending Publication Date: 2017-05-10
四川创能海博科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the RS485 bus cannot perform automatic arbitration of the bus, that is, it cannot send data at the same time to avoid bus competition, the communication efficiency of a single RS485 is bound to be low; at the same time, the power carrier also has defects such as low transmission rate and easy interference, which leads to The real-time performance and reliability of data transmission in the power collection system are poor, and the current situation of low data collection efficiency has seriously restricted the application and development of low-voltage power data collection.
[0003] The current smart meter is mainly set up by the power supply enterprise, and its functions do not consider the experience and needs of elect

Method used

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  • Electricity consumption information acquisition system and acquisition method
  • Electricity consumption information acquisition system and acquisition method
  • Electricity consumption information acquisition system and acquisition method

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Experimental program
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Effect test

Embodiment 1

[0051] Such as figure 1 As shown, the present invention provides a power consumption information collection system, including a master station, a power meter, and an optical fiber collection unit.

[0052] The optical fiber acquisition unit provided by the present invention, such as figure 2 shown, including:

[0053] MCU is used to run program instructions and control the work of other components.

[0054] 5 RS485 circuits, each RS485 circuit is connected to the MCU, used to convert the data transmitted by the MCU into a standard RS485 signal, so that the meter can recognize and receive it; at the same time, the standard RS485 signal returned by the meter is converted into a micro control unit that can recognize data packets.

[0055] Such as image 3 As shown, each RS485 circuit includes an RS485 communication chip and an isolation protection circuit. Between the RS485 chip and the MCU, an optocoupler chip is used for isolation protection. Through the photoelectric iso...

Embodiment 2

[0065] The present invention also provides a better power consumption information collection system, such as Figure 5 As shown, it includes the main station, optical fiber acquisition unit, electric meter and smart electric energy terminal.

[0066] The optical fiber acquisition unit provided by the present invention is a better optical fiber acquisition unit, such as Image 6 shown in the above figure 2 Based on the fiber optic acquisition unit shown, it also includes:

[0067] The carrier module, connected to the MCU, is used to convert the data transmitted by the MCU into a standard carrier signal, so that the smart power terminal can recognize and receive it; at the same time, it converts the standard carrier signal returned by the smart power terminal into a data packet that the MCU can recognize.

[0068] The power supply module is also connected with the carrier module and used to supply power to the carrier module. The power module includes an AC-DC unit and a DC-...

Embodiment 3

[0073] The present invention also provides a method for collecting power consumption data of the optical fiber collection unit according to the above-mentioned embodiment 1 and embodiment 2, such as Figure 8 shown, including:

[0074] (1) The optical communication circuit / network port circuit receives the meter reading command issued by the master station and transmits it to the micro control unit;

[0075] (2) The micro-control unit analyzes the meter reading instruction to determine the corresponding port 485;

[0076] (3) The micro control unit sequentially sends the meter reading command with the meter number to each 485 port;

[0077] (4) The micro control unit patrols each 485 port and listens to the data returned by the meter;

[0078] (5) The micro control unit receives the data returned by the meter, and sends it back to the master station through the optical communication circuit / network port circuit.

[0079] The working principle of the optical fiber acquisitio...

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Abstract

The invention discloses an electricity consumption information acquisition system, which belongs to the technical field of data acquisition. The electricity consumption information acquisition system comprises a main station, an electricity meter and an optical fiber acquisition unit, wherein the optical fiber acquisition unit comprises a micro control unit, at least two RS485 circuits, an optical communication circuit, a storage chip and a power supply module. According to the electricity consumption information acquisition system, the optical fiber acquisition unit is uplinked to the main station by virtue of a high-speed optical fiber transmission method and can carry mass data transmission and enable a communication link to be more stable, the optical fiber acquisition unit is downlinked to the electricity meter to increase multiple circuits of RS485 buses, the multiple circuits of RS485 buses are independent of each other and are operated in parallel without interfering with one another, the modification of an uplink transmission channel and a downlink transmission channel enables the electricity consumption data acquisition capability to be greatly improved, and the high-frequency and high-precision requirement on acquiring the electric power data at present can be met.

Description

technical field [0001] The invention relates to the technical field of data acquisition, in particular to an electricity consumption information acquisition system. Background technique [0002] The electricity consumption information collection system is of great significance to the operation and asset management of electric power enterprises. It has the characteristics of wide collection range, large quantity, and strong timeliness. It should meet the basic requirements of real-time, stability, efficiency, and reliability. At present, the traditional electricity consumption information collection system uses collectors and concentrators to collect meter data: the collector uses a single-channel RS485 to connect with dozens of meters in the meter box, and sends the read data to the concentrator through the power carrier, and then The concentrator transmits the data back to the master station of the acquisition system through 2G / 3G / 4G / wired methods. Since the RS485 bus cann...

Claims

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Application Information

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IPC IPC(8): G08C19/00G08C23/04H04B3/54H04B10/25
CPCH04B3/54G08C19/00G08C23/04H04B10/2589
Inventor 海波
Owner 四川创能海博科技有限公司
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