CN101697497B - Multifunctional electrical energy information concentrator and communication method thereof - Google Patents
Multifunctional electrical energy information concentrator and communication method thereof Download PDFInfo
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Abstract
The invention relates to a multifunctional electric energy information concentrator and a communication method thereof. The multifunctional electric energy information concentrator comprises a data processing module, a communication MCU module, a board band carrier module, a high-speed narrow band carrier module, a 2.4G wireless module and a 470M wireless module, wherein the board band carrier module, the high-speed narrow band carrier module, the 2.4G wireless module and the 470M wireless module are connected with the communication MCU module. The communication mode of the concentrator supports a carrier and a wireless communication channel at the same time; the carrier can be one of the board band carrier or the high-speed narrow band carrier; the wireless can be one of the 2.4G or 470M; one of the carrier or the wireless is appointed as a main channel, and the other is appointed as a standby channel. Two channels of totally different characteristics are used for transmitting data so as to play the respective advantage of the two channels, and greatly improve the robustness, the reliability and the real-time of meter reading data transmission.
Description
Technical field
The present invention relates to a kind of two-in-one concentrator with the distribution transformer monitoring function, meet up-to-date DL/T 698 consensus standards, can use Ethernet to carry out telecommunication, to three-phase low-voltage electricity information, and can utilize the power information of all ammeters under binary channels (power carrier passage and radio channel) the picking platform sheet.
Background technology
According to " State Grid Corporation of China's Eleventh Five-Year Plan power marketing development plan " overall goal, marketing modernization and measurement standard its construction level have obtained quick raising, for promoting the rapid level of market respond, improve the quality of customer service, implement the requirement of " lean management ", progressively set up adaptation to market variations, reflect the Marketing Mechanism of customer demand fast, must realize Real-time Collection and the monitoring of power consumer power information, conscientiously serve marketing management and every business demand.The power information acquisition system, realize the Real-time Collection of the important informations such as metering device on-line monitoring and customer charge, electric weight, voltage, in time, complete, provide basic data for " SG186 " information system exactly, thereby for the analysis of each link of enterprise operation and management, decision-making provide support, enterprise is intensive, lean and standardized management level.
Have in the market various power informations to gather concentrator, general concentrator transmission channel commonly used has narrowband carrier type, bandwidth carrier type, radio-type.But each has the shortcoming of oneself: the decay of narrowband carrier type is little, long transmission distance, but speed is low, is difficult to realize dynamic routing, therefore also can't realize the above-mentioned success rate requirement of checking meter; Bandwidth carrier speed is high, can realize dynamic routing, automatic relay, but transmission attenuation is fast, near distance, and because load is crossed conference and caused island effect, therefore also can't realize above-mentioned success rate requirement; The zonule radio-type is affected by environment large, and therefore the transmission range that block, weather conditions all can affect equipment can't realize above-mentioned success rate requirement.
Power line carrier, PLC and the radio communication used at present are subjected to the impact of field condition in actual field.Power carrier mainly is subjected to the impact of time, because the uncertainty of load, the interference that electrical network is subject within the different periods is different, and therefore in different, the power line carrier, PLC effect is different, and is sometimes logical, sometimes obstructed; Wireless Data Transmission mainly is subjected to the impact of geographical environment, the effect that block, shielding can have a strong impact on data communication, and site operation is very difficult.
Summary of the invention
The objective of the invention is to overcome the deficiency of existing power information acquisition terminal, a kind of multifunction concentrator and means of communication thereof of the DLT of meeting 698 standards are provided.
Purpose of the present invention is achieved through the following technical solutions:
Multifunctional electric energy information concentrator, comprise data processing module and the MCU module of communicating by letter, described communication MCU module is communicated by letter with data processing module, characteristics are: also comprise bandwidth carrier module, high-speed narrow-band carrier module, 2.4G wireless module and 470M wireless module, described bandwidth carrier module, high-speed narrow-band carrier module, 2.4G wireless module and 470M wireless module all are connected with communication MCU module communication.
Further, above-mentioned Multifunctional electric energy information concentrator, wherein, described communication MCU module links to each other with data processing module by RS232 and the SPI interface of Transistor-Transistor Logic level, supports simultaneously DL/T 645 and 698.42 agreements of standard between communication MCU module and the data processing module;
Described bandwidth carrier module links to each other with communication MCU module by SPI interface or Ethernet interface, and transfer of data adopts full-duplex mode;
Described high-speed narrow-band carrier module links to each other with communication MCU module by RS232 mouth or the SPI mouth of Transistor-Transistor Logic level, and transfer of data adopts full-duplex mode;
Described 2.4G wireless module links to each other with communication MCU module by the SPI mouth, and transfer of data adopts full-duplex mode;
Described 470M wireless module links to each other with communication MCU module by the SPI mouth, and transfer of data adopts full-duplex mode.
Further, above-mentioned Multifunctional electric energy information concentrator, wherein, it is the chip of ARM 7 that described data processing module adopts model, it is the chip of ARMCortex M3 that described communication MCU module adopts model, and it is the chip of INTELLON 5500x that described bandwidth carrier module adopts model, and it is the chip of MAX 2990 that described high-speed narrow-band carrier module adopts model, it is the chip of MC13192 that described 2.4G wireless module adopts model, and it is the chip of CC1100E that described 470M wireless module adopts model.
The means of communication of Multifunctional electric energy information concentrator of the present invention, characteristics are: processed the data that collect by data processing module, signal or several electricity consumption data-signals of several electric energy meter outputs are processed respectively, stored; The data message that data processing module is processed and the MCU module exchange of communicating by letter; Described communication MCU module and bandwidth carrier module composition bandwidth carrier communication port, described communication MCU module and high-speed narrow-band carrier module consist of high-speed narrow-band carrier communication passage, described communication MCU module and 2.4G wireless module consist of the 2.4G wireless communication, and described communication MCU module and 470M wireless module consist of the 470M wireless communication; A kind of combination of channels in a kind of passage in described bandwidth carrier communication port and the high-speed narrow-band carrier communication passage and described 2.4G wireless communication and the 470M wireless communication consists of binary channels, any main channel that is set in the binary channels, another is set to alternate channel; Described communication MCU module at first communicates by main channel and collector, in the time of can't success communication in the main channel, switches to alternate channel; When recover the main channel, switch back alternate channel.
Again further, the means of communication of above-mentioned Multifunctional electric energy information concentrator, use according to the following steps main channel and alternate channel to carry out dual-channels communication:
(S101) a kind of passage in concentrator use bandwidth carrier communication port and the high-speed narrow-band carrier communication passage and a kind of passage in 2.4G wireless communication and the 470M wireless communication carry out work, and any one communication port all is configured to main channel and alternate channel;
(S102) concentrator sends frame data, wait acknowledge by the main channel;
(S103) if concentrator is received affirmation, transmission success so, the end of transmission, otherwise forward (S104) to;
(S104) if concentrator is not received affirmation at the appointed time, concentrator is retransmitted this data by alternate channel so, and wait acknowledge;
(S105) if concentrator is received affirmation, transmission success so, the end of transmission;
(S106) if concentrator is not received affirmation, so bust this at the appointed time.
Again further, the means of communication of above-mentioned Multifunctional electric energy information concentrator, carry out according to the following steps that automatic ammeter is corresponding, concentrator is found and ammeter automatically:
When (S201) the concentrator demand is copied and accepted certain piece ammeter, at first check the corresponding table of collector and ammeter;
(S202) if in the corresponding table corresponding list item is arranged, take out so corresponding ammeter and accept and believe device information, corresponding process finishes, otherwise forwards step (S203) to;
(S203) concentrator sends the whole network broadcasting command to all collectors, requires all collectors to attempt checking meter;
(S204) all collectors all once try to copy to ammeter by 485 mouthfuls in the network, if ammeter under corresponding collector, ammeter produces response data, after collector is received response data, returns corresponding data to concentrator;
(S205) after concentrator is received the ammeter data that collector returns, the corresponding relation of the corresponding ammeter of record and collector in list item.
The substantive distinguishing features that technical solution of the present invention is outstanding and significant progressive being mainly reflected in:
1) function of integrated distribution transforming Real-Time Monitoring and power information concentrator on an equipment, concentrator can gather electric current, voltage, the phase place of distribution transforming, calculates the instantaneous values such as corresponding power factor (PF), harmonic wave, has reduced installation, the maintenance cost of equipment;
2) communication mode of concentrator is supported carrier wave and wireless communication simultaneously, carrier wave can be a kind of in bandwidth carrier or the high-speed narrow-band carrier wave, wireless can be a kind of among 2.4G or the 470M, can configure designated carrier or wireless in a kind ofly be the main channel, another is alternate channel; Use complete two passages of different nature to carry out transfer of data, bring into play two passages advantage separately, greatly improved robustness, reliability and the real-time of meter reading data transmission;
3) concentrator has the function that data are retransmitted automatically, and concentrator is found the corresponding relation of ammeter and collector automatically, has improved field erected efficient and reliability, for extensive field conduct provides technical foundation.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Fig. 1: the structured flowchart of multifunction concentrator of the present invention;
Fig. 2 a: the circuit block diagram of data processing module;
Fig. 2 b: the circuit theory diagrams of communication MCU module;
Fig. 2 c: the circuit theory diagrams of bandwidth carrier module;
Fig. 2 d: the circuit theory diagrams of high-speed narrow-band carrier module;
The circuit theory diagrams of Fig. 2 e:2.4G wireless module;
The circuit theory diagrams of Fig. 2 f:470M wireless module;
Fig. 3: the flow chart of binary channels data transmission procedure;
Fig. 4: automatic flow chart corresponding to ammeter.
The implication of each Reference numeral sees the following form among the figure:
| Reference numeral | Implication | Reference numeral | Implication | | Implication | |
| 1 | |
2 | |
3 | The |
|
| 4 | The high-speed narrow- |
5 | 2.4G |
6 | The 470M wireless module |
Embodiment
Design and a kind ofly can use simultaneously twin-channel power information concentrator, utilize high performance embedded MCU, Real-time Collection also calculates the energy information of three-phase low-voltage electricity, can monitor simultaneously the packet of Ethernet interface, electric energy acquisition instruction from Ethernet interface is responded, utilize the binary channels communication module of downstream arrangements, the data of the ammeter under the picking platform sheet.
As shown in Figure 1, the multifunction concentrator that meets DLT 698 standards, comprise data processing module 1, communication MCU module 2, bandwidth carrier module 3, high-speed narrow-band carrier module 4,2.4G wireless module 5 and 470M wireless module 6, the data/address bus of employing state net pattern regulation and stipulation is connected between communication MCU module 2 and the data processing module 1, the bandwidth carrier module 3 that is used for the bandwidth carrier communication port is connected with communication MCU module 2, the high-speed narrow-band carrier module 4 that is used for high-speed narrow-band carrier communication passage is connected with communication MCU module 2, the 2.4G wireless module 5 that is used for the 2.4G wireless communication is connected with communication MCU module 2, and the 470M wireless module 6 that is used for the 470M wireless communication is connected with communication MCU module 2.
Wherein, communication MCU module 2 links to each other with data processing module 1 by RS232 and the SPI interface of Transistor-Transistor Logic level, adopts DL/T 645 and 698.42 agreements of standard between communication MCU module 2 and the data processing module 1;
By SPI or Transistor-Transistor Logic level 232 mouthfuls of high-speed narrow-band carrier module 4 link to each other transfer of data employing full-duplex mode with communication MCU module 2;
2.4G wireless module 5 links to each other with communication MCU module 2 by the SPI mouth, transfer of data adopts full-duplex mode;
470M wireless module 6 links to each other with communication MCU module 2 by the SPI mouth, and transfer of data adopts full-duplex mode.
Fig. 2 a has illustrated the circuit block diagram of concentrator data processing module, and hardware components is divided into 6 major parts by function: 1) main control unit; 2) power panel; 3) GPRS/CDMA telecommunication plate; 4) metering units; 5) downgoing communication; 6) man-machine interface.It is the chip of ARM 7 that data processing module 1 adopts model;
Fig. 2 b has illustrated the circuit theory of communication MCU module, and it is the chip of ARM Cortex M3 that communication MCU module 2 adopts models.
Fig. 2 c has illustrated the circuit theory of bandwidth carrier module, and it is the chip of INTELLON 5500x that bandwidth carrier module 3 adopts models.
Fig. 2 d has illustrated the circuit theory of high-speed narrow-band carrier module, and it is the chip of MAX 2990 that high-speed narrow-band carrier module 4 adopts models.
Fig. 2 e has illustrated the circuit theory of 2.4G wireless module, and it is the chip of MC13192 that 2.4G wireless module 5 adopts models.
Fig. 2 f has illustrated the circuit theory of 470M wireless module, and it is the chip of CC1100E that 470M wireless module 6 adopts models.
Concentrator has the distribution transformer monitoring function, can gather electric current, voltage, the phase place of distribution transforming, calculates the instantaneous values such as corresponding power factor (PF), harmonic wave, and its concrete function meets DL/T 698.41; Concentrator has relatively independent communication module, data process with communication module between adopt the RS232 of Transistor-Transistor Logic level to be connected with the SPI standard interface; The communication module of concentrator has independently, and MCU realizes telecommunication management; Adopt the binary channels mode to carry out transfer of data between concentrator and the collector; Concentrator has the function that data are retransmitted automatically; Concentrator has automatic ammeter discovery feature, can automatically find to specify the annexation of ammeter and collector.
The communication mode of concentrator is supported carrier wave and wireless communication simultaneously; Carrier wave can be a kind of in bandwidth carrier or the high-speed narrow-band carrier wave; Wireless can be a kind of in 2.4G, 470M or 433; Configurable designated carrier or wireless in a kind of be the main channel, another is alternate channel.
When above-mentioned Multifunctional electric energy information concentrator is specifically used, process the data that collect by data processing module 1, signal or several electricity consumption data-signals of several electric energy meter outputs are processed respectively, stored; The data message that data processing module 1 is processed and MCU module 2 exchanges of communicating by letter; Communication MCU module 2 consists of the bandwidth carrier communication port with bandwidth carrier module 3, communication MCU module 2 consists of high-speed narrow-band carrier communication passage with high-speed narrow-band carrier module 4, communication MCU module 2 consists of the 2.4G wireless communication with 2.4G wireless module 5, and communication MCU module 2 consists of the 470M wireless communication with 470M wireless module 6; A kind of combination of channels in a kind of passage in bandwidth carrier communication port and the high-speed narrow-band carrier communication passage and described 2.4G wireless communication and the 470M wireless communication consists of binary channels, any main channel that is set in the binary channels, another is set to alternate channel; Communication MCU module at first communicates by main channel and collector, in the time of can't success communication in the main channel, switches to alternate channel; When recover the main channel, switch back alternate channel.
The satisfied realization: (one) uses carrier channel and two passages of radio channel to carry out transfer of data; (2) ammeter correspondence, concentrator are found and ammeter automatically automatically;
Wherein, (one) uses carrier channel and radio channel to carry out transfer of data, as shown in Figure 3:
(S101) a kind of passage in concentrator use bandwidth carrier communication port and the high-speed narrow-band carrier communication passage and a kind of passage in 2.4G wireless communication and the 470M wireless communication carry out work, and any one communication port all is configured to main channel and alternate channel;
(S102) concentrator sends frame data, wait acknowledge by the main channel;
(S103) if concentrator is received affirmation, transmission success so, the end of transmission, otherwise forward (S104) to;
(S104) if concentrator is not received affirmation at the appointed time, concentrator is retransmitted this data by alternate channel so, and wait acknowledge;
(S105) if concentrator is received affirmation, transmission success so, the end of transmission;
(S106) if concentrator is not received affirmation, so bust this at the appointed time.
(2) ammeter correspondence, concentrator are found and ammeter automatically automatically, as shown in Figure 4:
When (S201) the concentrator demand is copied and accepted certain piece ammeter, at first check the corresponding table of collector and ammeter;
(S202) if in the corresponding table corresponding list item is arranged, take out so corresponding ammeter and accept and believe device information, corresponding process finishes, otherwise forwards step (S203) to;
(S203) concentrator sends the whole network broadcasting command to all collectors, requires all collectors to attempt checking meter;
(S204) all collectors all once try to copy to ammeter by 485 mouthfuls in the network, if ammeter under corresponding collector, ammeter produces response data, after collector is received response data, returns corresponding data to concentrator;
(S205) after concentrator is received the ammeter data that collector returns, the corresponding relation of the corresponding ammeter of record and collector in list item.
Concentrator of the present invention adopts broadband power line carrier, arrowband power line carrier, 470M is wireless, two kinds of technology in the 2.4G wireless technology, consists of binary channels, and is unsuccessful if passage sends when data send, and automatically switches to the another one passage and sends.Automatically ammeter is corresponding, main platform system need not to issue to concentrator the corresponding informance of collector and ammeter, main platform system only needs issue to concentrator the address of the ammeter that belongs to this concentrator, concentrator can be found the collector corresponding with ammeter automatically, and direct and this collector communication in follow-up data transmission procedure.
As fully visible, the present invention is satisfied to be realized: 1) use complete two passages of different nature to carry out transfer of data, bring into play two passages advantage separately, greatly improved robustness, reliability and the real-time of meter reading data transmission; 2) concentrator is found the corresponding relation of ammeter and collector automatically, has improved field erected efficient and reliability, for extensive field conduct provides technical foundation.
What need to understand is: above-mentioned explanation is not to be limitation of the present invention, and in the present invention conceived scope, the interpolation of carrying out, conversion, replacement etc. also should belong to protection scope of the present invention.
Claims (5)
1. Multifunctional electric energy information concentrator, comprise data processing module and the MCU module of communicating by letter, described communication MCU module is communicated by letter with data processing module, it is characterized in that: also comprise bandwidth carrier module, high-speed narrow-band carrier module, 2.4G wireless module and 470M wireless module, described bandwidth carrier module, high-speed narrow-band carrier module, 2.4G wireless module and 470M wireless module all are connected with communication MCU module communication; It is the chip of ARM7 that described data processing module adopts model, it is the chip of ARM Cortex M3 that described communication MCU module adopts model, it is the chip of INTELLON 5500x that described bandwidth carrier module adopts model, it is the chip of MAX 2990 that described high-speed narrow-band carrier module adopts model, it is the chip of MC13192 that described 2.4G wireless module adopts model, and it is the chip of CC1100E that described 470M wireless module adopts model.
2. a kind of Multifunctional electric energy information concentrator according to claim 1, it is characterized in that: described communication MCU module links to each other with data processing module by RS232 and the SPI interface of Transistor-Transistor Logic level, supports simultaneously DL/T 645 and 698.42 agreements of standard between communication MCU module and the data processing module;
Described bandwidth carrier module links to each other with communication MCU module by SPI interface or Ethernet interface, and transfer of data adopts full-duplex mode;
Described high-speed narrow-band carrier module links to each other with communication MCU module by RS232 mouth or the SPI mouth of Transistor-Transistor Logic level, and transfer of data adopts full-duplex mode;
Described 2.4G wireless module links to each other with communication MCU module by the SPI mouth, and transfer of data adopts full-duplex mode;
Described 470M wireless module links to each other with communication MCU module by the SPI mouth, and transfer of data adopts full-duplex mode.
3. the means of communication of a kind of Multifunctional electric energy information concentrator claimed in claim 1 is characterized in that: processed the data that collect by data processing module, signal or several electricity consumption data-signals of several electric energy meter outputs are processed respectively, stored; The data message that data processing module is processed and the MCU module exchange of communicating by letter; Described communication MCU module and bandwidth carrier module composition bandwidth carrier communication port, described communication MCU module and high-speed narrow-band carrier module consist of high-speed narrow-band carrier communication passage, described communication MCU module and 2.4G wireless module consist of the 2.4G wireless communication, and described communication MCU module and 470M wireless module consist of the 470M wireless communication; A kind of combination of channels in a kind of passage in described bandwidth carrier communication port and the high-speed narrow-band carrier communication passage and described 2.4G wireless communication and the 470M wireless communication consists of binary channels, any main channel that is set in the binary channels, another is set to alternate channel, and the communication mode of concentrator is supported carrier wave and wireless communication simultaneously; Carrier wave is a kind of in bandwidth carrier or the high-speed narrow-band carrier wave; Wireless is a kind of in 2.4G, 470M or 433; Configurable designated carrier or wireless in a kind of be the main channel, another is alternate channel; Described communication MCU module at first communicates by main channel and collector, in the time of can't success communication in the main channel, switches to alternate channel; When recover the main channel, switch back alternate channel.
4. the means of communication of a kind of Multifunctional electric energy information concentrator according to claim 3 is characterized in that: use according to the following steps main channel and alternate channel to carry out dual-channels communication:
(S101) a kind of passage in concentrator use bandwidth carrier communication port and the high-speed narrow-band carrier communication passage and a kind of passage in 2.4G wireless communication and the 470M wireless communication carry out work, and any one communication port all is configured to main channel and alternate channel;
(S102) concentrator sends frame data, wait acknowledge by the main channel;
(S103) if concentrator is received affirmation, transmission success so, the end of transmission, otherwise forward (S104) to;
(S104) if concentrator is not received affirmation at the appointed time, concentrator is retransmitted this data by alternate channel so, and wait acknowledge;
(S105) if concentrator is received affirmation, transmission success so, the end of transmission;
(S106) if concentrator is not received affirmation, so bust this at the appointed time.
5. the means of communication of a kind of Multifunctional electric energy information concentrator according to claim 3 is characterized in that: carry out according to the following steps that automatic ammeter is corresponding, concentrator is found ammeter automatically:
When (S201) the concentrator demand is copied and accepted certain piece ammeter, at first check the corresponding table of collector and ammeter;
(S202) if in the corresponding table corresponding list item is arranged, take out so corresponding ammeter and accept and believe device information, corresponding process finishes, otherwise forwards step (S203) to;
(S203) concentrator sends the whole network broadcasting command to all collectors, requires all collectors to attempt checking meter;
(S204) all collectors all once try to copy to ammeter by 485 mouthfuls in the network, if ammeter under corresponding collector, ammeter produces response data, after collector is received response data, returns corresponding data to concentrator;
(S205) after concentrator is received the ammeter data that collector returns, the corresponding relation of the corresponding ammeter of record and collector in list item.
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| CN112614323B (en) * | 2020-11-30 | 2022-09-02 | 国网山东省电力公司滨州供电公司 | Electric energy meter with intranet switches function |
| CN116318267B (en) * | 2023-05-18 | 2023-08-18 | 中关村芯海择优科技有限公司 | Power line carrier communication system and harmonic suppression method system thereof |
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| CN1337804A (en) * | 2000-10-04 | 2002-02-27 | 华立集团有限公司 | Electric meter data collector adopting GSM and CDMA network for data exchange and its communication method |
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