CN105070018A - Electric-power-communication remote data collecting system and controlling and managing method - Google Patents

Abstract

The data acquisition technical field of the present invention, especially a remote data acquisition control management method for electric power communication, includes the following steps, step S101: electric power communication data acquisition; step S102: data encryption; step S103: data remote transmission; step S104: data Remote reception; step S105: data filtering and decoding; step S106: data processing control. The present invention includes a remote data acquisition system for electric power communication, including a wireless transmitting module arranged on the electric power communication cable and a remote wireless receiving module, the wireless transmitting module includes a signal transmitting antenna connected to the signal transmitting module, The signal transmission module is connected with the power communication data acquisition module through the encryption module, and the power communication data acquisition module is arranged on the power communication cable; the power communication data acquisition module, the encryption module, and the signal transmission module are connected through the voltage adjustment module Connect to the power module. After adopting the above method and structure, time and resources are saved.

Description

Remote data acquisition system and control management method for electric power communication

technical field

The invention relates to the technical field of data acquisition for electric power communication, in particular to a remote data acquisition system and control management method for electric power communication.

Background technique

The power communication network came into being in order to ensure the safe and stable operation of the power system. Together with the relay protection, safety and stability control system and dispatching automation system of the power system, it is collectively called the three pillars of the safe and stable operation of the power system. At present, it is the foundation of power grid dispatching automation, network operation marketization and management modernization; it is an important means to ensure the safety, stability and economic operation of power grid; it is an important infrastructure of power system. Because the power communication network has strict requirements on the reliability of communication, the speed and accuracy of protection and control information transmission, and the power sector has special resource advantages for the development of communication, so the power companies in most countries in the world use their own A special communication network for the power system has been established in a construction-based manner.

Contents of the invention

The technical problem to be solved by the present invention provides a remote data acquisition system and control management method for electric power communication.

In order to solve the above-mentioned technical problems, the present invention includes a remote data acquisition control management method for electric power communication, including the following steps,

Step S101: collecting power communication data, collecting data of power communication cables through a wireless power communication data collection module;

Step S102: Data encryption, performing data encryption on the collected power communication data;

Step S103: Send data remotely, transmit the encrypted power communication data to the signal sending module, and the signal sending module sends the power communication data through the signal transmitting antenna;

Step S104: Receive data remotely, receive the power communication data sent remotely through the signal receiving antenna, and transmit it to the signal receiving module;

Step S105: Data filtering and decoding, filtering the received power communication data through the filtering module, and decoding it, to obtain collected power communication data;

Step S106: data processing control, processing and controlling the collected power communication data through the signal collection and processing module.

The present invention also includes a remote data acquisition system for electric power communication, including a wireless transmitting module arranged on the electric power communication cable and a remote wireless receiving module, and the wireless transmitting module includes a signal transmitting antenna connected to the signal transmitting module , the signal transmission module is connected with the power communication data acquisition module through the encryption module, and the power communication data acquisition module is arranged on the power communication cable; the power communication data acquisition module, the encryption module, and the signal transmission module are adjusted by voltage The module is connected to the power module.

Further, the voltage adjustment module includes a voltage adjustment chip U31, the voltage adjustment chip U31 is connected to the output terminal of the power module, an electrolytic capacitor C31 and a capacitor C32 are connected in parallel between the output terminal of the power module and the ground, and the battery output The terminal is connected to the drain of the MOS transistor Q31 through the resistor R31, the drain and the gate of the MOS transistor Q31 are connected to the step-down conversion chip U31, the source of the MOS transistor Q31 is connected to the cathode of the diode D31, and the anode of the diode D31 is grounded; The source of the MOS transistor Q31 is connected to the power communication data acquisition module through the inductor L31, and an electrolytic capacitor C33 and a capacitor C34 are connected in parallel between the connection between the inductor L31 and the power communication data acquisition module and the ground; the resistor R32 is connected in series with the resistor R33 , the voltage adjustment chip U31 is connected to the middle point of the series resistors R32 and R33, the other end of the resistor R32 is connected to the power communication data acquisition module, and the other end of the resistor R33 is connected to the ground.

Further, the wireless receiving module includes a signal receiving antenna connected to the signal receiving module, the signal receiving module is connected to the signal decoding module through a filtering module, the signal decoding module is connected to the signal acquisition and processing module, the The signal receiving module, the signal decoding module and the signal collecting and processing module are all connected with the driving power supply.

Furthermore, the filtering module includes two parallel filtering branches, one filtering branch is composed of an inductor L1 and a capacitor C1 connected in series, and the other filtering branch is composed of an inductor L2 and a capacitor C2 connected in series.

After adopting the above method and structure, the present invention can carry out remote power communication data collection and control management, effectively saving time and resources. The invention makes the signal free from external interference through the encrypting and filtering unit.

Description of drawings

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Fig. 1 is a structural block diagram of a remote data acquisition system for electric power communication according to the present invention.

Fig. 2 is a schematic circuit diagram of the step-down unit of the present invention.

In the figure: 1 is the power supply module, 2 is the voltage adjustment module, 3 is the power communication data acquisition module, 4 is the encryption module, 5 is the signal transmitting antenna, 6 is the signal transmitting module, 7 is the signal receiving antenna, 8 is the signal receiving module , 9 is a filter module, 10 is a signal decoding module, 11 is a signal acquisition and processing module, 12 is a driving power supply

Detailed ways

The present invention includes a remote data acquisition control management method for electric power communication, comprising the following steps,

Step S101: collecting power communication data, collecting data of power communication cables through a wireless power communication data collection module;

Step S102: Data encryption, performing data encryption on the collected power communication data;

Step S103: Send data remotely, transmit the encrypted power communication data to the signal sending module, and the signal sending module sends the power communication data through the signal transmitting antenna;

Step S104: Receive data remotely, receive the power communication data sent remotely through the signal receiving antenna, and transmit it to the signal receiving module;

Step S105: Data filtering and decoding, filtering the received power communication data through the filtering module, and decoding it, to obtain collected power communication data;

Step S106: data processing control, processing and controlling the collected power communication data through the signal collection and processing module.

As shown in Figure 1, the present invention also includes a remote data acquisition system for power communication, including a wireless transmitting module and a remote wireless receiving module arranged on the power communication cable, the wireless transmitting module includes a signal transmitting module 6 connected signal transmitting antennas 5, the signal transmitting module 6 is connected with the power communication data acquisition module 3 through the encryption module 4, and the power communication data acquisition module 3 is arranged on the power communication cable; the power communication data The acquisition module 3 , the encryption module 4 , and the signal transmission module 6 are connected to the power module 1 through the voltage adjustment module 2 .

Further, as shown in FIG. 2, the voltage adjustment module includes a voltage adjustment chip U31, the voltage adjustment chip U31 is connected to the output terminal of the power module, and an electrolytic capacitor C31 and a capacitor are connected in parallel between the output terminal of the power module and the ground. C32, the battery output terminal is connected to the drain of the MOS transistor Q31 through the resistor R31, the drain and the gate of the MOS transistor Q31 are connected to the step-down conversion chip U31, the source of the MOS transistor Q31 is connected to the cathode of the diode D31, and The anode of the diode D31 is grounded; the source of the MOS transistor Q31 is connected to the power communication data acquisition module through the inductance L31, and an electrolytic capacitor C33 and a capacitor C34 are connected in parallel between the connection between the inductance L31 and the power communication data acquisition module and the ground; The resistor R32 is connected in series with the resistor R33, the voltage adjustment chip U31 is connected to the middle point of the series resistors R32 and R33, the other end of the resistor R32 is connected to the power communication data acquisition module, and the other end of the resistor R33 is connected to the ground. The working principle of the voltage adjustment module 2 of the present invention is as follows: U31 realizes the purpose of voltage conversion by controlling the on and off of Q31. When Q31 is turned on, diode D31 is turned off, and the power module 1-R31-Q31-L31-load-power module 7 forms a current loop. The input voltage is first filtered by C31 and C32, then flows through R31 and Q31, and then passes through L31, C33, C34 filters and outputs a stable voltage. At this time, the inductor L31 is in the energy storage state; when Q31 is turned off, the diode D31 is turned on, and the inductor L31 releases electric energy. L31-power communication data acquisition module 3-D31-L31 forms a current loop, and the output voltage It is stable after filtering by C33 and C34. In the schematic diagram of the circuit, R31 is the current sampling resistor, R32 and R33 are the voltage sampling resistors, U31 obtains data according to the sampling, and adjusts the opening and closing of Q31 to achieve the purpose of adjusting the output voltage and current.

Further, the wireless receiving module includes a signal receiving antenna 7 connected to the signal receiving module 8, the signal receiving module 8 is connected to the signal decoding module 10 through the filtering module 9, and the signal decoding module 10 is connected to the signal acquisition and processing The modules 11 are connected, and the signal receiving module 8 , the signal decoding module 10 , and the signal acquisition and processing module 11 are all connected to the driving power supply 12 .

Furthermore, the filtering module 9 includes two parallel filtering branches, one filtering branch is composed of an inductor L1 and a capacitor C1 connected in series, and the other filtering branch is composed of an inductor L2 and a capacitor C2 connected in series.

Although the specific embodiments of the present invention have been described above, those skilled in the art should understand that these are only examples, and various changes or modifications can be made to the embodiments without departing from the principle and essence of the invention. The scope is limited only by the appended claims.

Claims (5)

1. a power communication remote data acquisition control and management method, is characterized in that, comprise the following steps,

Step S101: Electric Power Communication Data collection, gathers the data of power communication cable by wireless Electric Power Communication Data acquisition module;

Step S102: data encryption, carries out data encryption by the Electric Power Communication Data collected;

Step S103: remote data sends, the Electric Power Communication Data after encryption is transferred to signal transmitting module, and Electric Power Communication Data is sent by signal emitting antenna by signal transmitting module;

Step S104: remote data receives, and receives long-range Electric Power Communication Data of sending, and be transferred to signal receiving module by signal receiving antenna;

Step S105: data filtering is decoded, and is filtered, and decode to it by filtration module to the Electric Power Communication Data received, obtains the Electric Power Communication Data gathered;

Step S106: data processing and control, carries out process and control and management by signal acquisition process module to the Electric Power Communication Data collected.

2. a power communication remote data acquisition control system, it is characterized in that: comprise and be arranged on wireless transmitter module on power communication cable and wireless receiving module at a distance, described wireless transmitter module comprises the signal emitting antenna be connected with signal emission module, described signal emission module is connected with Electric Power Communication Data acquisition module by encrypting module, and described Electric Power Communication Data acquisition module is arranged on power communication cable; Described Electric Power Communication Data acquisition module, encrypting module, signal emission module are connected with power module by voltage regulator module.

3. according to a kind of power communication remote data acquisition control system according to claim 2, it is characterized in that: described voltage regulator module comprises Voltage Cortrol chip U31, described Voltage Cortrol chip U31 is connected with power module outlet, electrochemical capacitor C31 and electric capacity C32 is parallel with between described power module outlet and ground, described accumulator output end is drained with metal-oxide-semiconductor Q31 by resistance R31 and is connected, described metal-oxide-semiconductor Q31 drains, grid is connected with decompression transformation chip U31, described metal-oxide-semiconductor Q31 source electrode is connected with diode D31 negative electrode, described diode D31 plus earth, described metal-oxide-semiconductor Q31 source electrode is connected with Electric Power Communication Data acquisition module by inductance L 31, is parallel with electrochemical capacitor C33 and electric capacity C34 between the junction of described inductance L 31 and Electric Power Communication Data acquisition module and ground, resistance R32 connects with resistance R33, and described Voltage Cortrol chip U31 is connected with the intermediate point of resistance in series R32 and R33, and the other end of described resistance R32 is connected with Electric Power Communication Data acquisition module, and the other end of described resistance R33 is connected to ground.

4. according to a kind of power communication remote data acquisition control system according to claim 2, it is characterized in that: described wireless receiving module comprises the signal receiving antenna be connected with signal receiving module, described signal receiving module is connected with signal decoding module by filtration module, described signal decoding module is connected with signal acquisition process module, and described signal receiving module, signal decoding module, signal acquisition process module are all connected with driving power.

5. according to a kind of power communication remote data acquisition control system according to claim 4, it is characterized in that: described filtration module comprises two filter branch in parallel, article one, filter branch is in series by inductance L 1 and electric capacity C1, and another filter branch is by feeling L2 and electric capacity C2 is in series.