CN103312563A - Automatic information collection method and system based on power line carrier communication - Google Patents
Automatic information collection method and system based on power line carrier communication Download PDFInfo
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Abstract
The invention provides an automatic information collection method and system based on power line carrier communication. The automatic information collection method includes that a master control device and a collection device connected with the master control device are powered on; after the master control device is powered on, distributed network messages are issued through power line carriers; after the collection device is powered on, information of a metering device connected with the collection device is collected, and messages on the power line carriers containing the distributed network messages are started to be monitored; the collection device sends a network access request message after monitoring any message on the power line carriers; the master control device sends a network access confirmation message after receiving the network access request message; and the collection device reports the information of the metering device collected by the collection device to the master control device after receiving the network access confirmation message. The master control device and the collection device of the system perform networking automatically, the information of the metering device is reported, networking time is saved, the use ratio of a carrier channel is improved, and manual intervention is not needed.
Description
Technical field
The present invention relates to the intelligent grid communications field, particularly a kind of automatic information collecting method and system thereof based on power line carrier communication.
Background technology
Under the situation that energy day is becoming tight, need for electricity increases rapidly, the service request of powering improves day by day, the Utilities Electric Co. of states such as the U.S., European Union, Korea S, Australia all proposes the concept of " intelligent grid " one after another, realizes that the collection of power consumer power information is professional basis such as distribution control and dsm.Spain ENDESA Utilities Electric Co. adopts power line bandwidth carrier technology to dispose the centralized automatic meter-reading scheme in Spain Puerto Real area, covers user about 100,000; Britain has realized industry and commerce user and part resident's automatic data logging substantially; Italy ENEL Utilities Electric Co. is in the period of 2001～2004, install and transformed 3,000 ten thousand intelligent electric meters, set up the Intellectualized metering network, realized the automatic collection of national 95% user's energy information, the about 500,000,000 Euros of management costs of annual saving reduce more than 40%.Build up power line carrier remote meter reading and payment system, solve electricity charge losing issue, raise the management level.
Practical application in conjunction with China, realize that power consumer power information collection fast and accurately is to use for " SG186 engineering " sales service to provide power consumer real-time power information data, advance that marketing is measured, checked meter, charging mode standardization construction and company information construction, for company promotes response turn of the market fast, reflects customer demand fast, provide the data support from the source of client's power information, for tou power price, ladder electricity price, the sales service implementation of strategies of pre-payment provides technical foundation comprehensively.The automatic management that data acquisition in the information gathering of current power user power utilization has substantially been realized is with regularly log-on data collection of electric data collecting main control device (abbreviation main control device), data analysis and the corresponding data sheet of generation.But the subscriber data gatherer process in the collection of power consumer power information still needs a large amount of manual interventions, comprises installed device numbering; The matching relationship of associate device is as electricity consumption data measuring equipment (abbreviation measuring equipment) and electricity consumption data acquisition equipment (abbreviation collecting device); The replacement of equipment and change, above-mentioned information all need manually to gather and be entered in the system.
So not only increased human input, and in the guarantee of all having no idea aspect ageing and the reliability.In addition, also there is following defective in the communication of current power line narrowband carrier: communication efficiency is low, and (general speed is 50bps～1,600bps), channel utilization low (can only finish in 5～7 seconds a packet on/descending mutual), be subject to the influence of power consumption equipment and power load.
Summary of the invention
The features and advantages of the present invention are partly statement in the following description, perhaps can describe obviously from this, perhaps can learn by putting into practice the present invention.
For overcoming prior art problems, the invention provides a kind of automatic information collecting method and system thereof based on power line carrier communication, adopt the technology of collecting device and main control device automatic network-building, reached the process of the parallel networking of multiple spot, saved the time of networking; Utilize collecting device to upload the information of coupled measuring equipment simultaneously, improved the utilance of carrier channel thus, and do not need manual intervention in whole information gathering process.
It is as follows that the present invention solves the problems of the technologies described above the technical scheme that adopts:
According to an aspect of the present invention, provide a kind of automatic information collecting method based on power line carrier communication, comprising: S1, with the operation that powers on of main control device and the collecting device that links to each other with this main control device; After this main control device powers on, initiate the distributed group network packet by power line carrier; After this collecting device powers on, collect the information of the coupled measuring equipment that is used for recording user electricity consumption data, and begin to monitor the message on this power line carrier that comprises this distributed group network packet; S2, this collecting device send the networking request message behind the arbitrary message that listens on this power line carrier that comprises this distributed group network packet; After S3, this main control device are received this networking request message, send the networking confirmation message, confirm that this collector equipment networks successfully; After S4, this collecting device are received this networking confirmation message, report the information of this measuring equipment of its collection to this main control device.
According to one embodiment of present invention, the information of this measuring equipment comprises in the user power utilization data of measuring equipment numbering, the agreement of communicating by letter with this collecting device, the speed of communicating by letter with this collecting device, measuring equipment record at least one.
According to one embodiment of present invention, in this step S1, the step that this collecting device is collected the information of coupled measuring equipment comprises: this collecting device arranges measuring equipment numbering mantissa; This collecting device selects first serial baud rate or second serial baud rate to communicate by letter with the measuring equipment with this measuring equipment numbering mantissa; After communicating by letter successfully, this collecting device obtains the complete measuring equipment numbering of this measuring equipment and other information of this measuring equipment.
According to one embodiment of present invention, among this step S2, before this collecting device is initiated this networking request message, also comprise step: this collecting device draws a hash time by the hashing algorithm computing, and in the time, continue to monitor the message on this power line carrier in this hash.
According to one embodiment of present invention, if in this hash in the time, this collecting device listens to the message on this power line carrier, and then this collecting device recomputates the new hash time.
According to one embodiment of present invention, also comprise after this step S3: this main control device generates new collecting device networking event, and reports to this main website; Also comprise after this step S4: this main control device generates new measuring equipment networking event, and reports to this main website.
According to one embodiment of present invention, also comprise step S5: after this main control device is received the information of this measuring equipment, send the confirmation message of filing, confirm that this measuring equipment files successfully; This main control device generates new measuring equipment filing event, and reports to main website.
According to another aspect of the present invention, provide a kind of automatic information collecting system based on power line carrier communication, comprising: measuring equipment is used for recording user electricity consumption data; Main control device is used for initiating the distributed group network packet and sending the networking confirmation message by power line carrier; Collecting device, link to each other with this main control device and this measuring equipment, be used for monitoring the message on this power line carrier that comprises this distributed group network packet and transmitting into the net request message, and have the automatic Registering modules of the information of collecting this coupled measuring equipment.
According to one embodiment of present invention, this collecting device also is provided with the hashing algorithm computing module for the message data conflict of evading the power line carrier communication process.
According to one embodiment of present invention, this main control device also is provided with the reporting events module for the information that reports this collecting device and this measuring equipment to main website.
The invention provides a kind of automatic information collecting method and system thereof based on power line carrier communication, with the main body of collecting device as the distributed group network process, this collecting device is monitored at network packet, utilize the hashing algorithm operation method to send the networking request message simultaneously in good time, reduce the possibility that different acquisition equipment sends message collisions simultaneously, improved the success rate of carrier communication; Utilize collecting device to upload the information of coupled measuring equipment simultaneously, improved the utilance of carrier channel thus, and do not need manual intervention at whole subscriber data gatherer process.
By reading specification, those of ordinary skills will understand feature and the content of these technical schemes better.
Description of drawings
Below by describing the present invention particularly with reference to the accompanying drawings and in conjunction with example, advantage of the present invention and implementation will be more obvious, wherein content shown in the accompanying drawing only is used for explanation of the present invention, and does not constitute the restriction of going up in all senses of the present invention, in the accompanying drawings:
Fig. 1 is the overall architecture schematic diagram based on the automatic information collecting system of power line carrier communication of the embodiment of the invention.
Fig. 2 is the structural representation based on the automatic information collecting system of power line carrier communication of first embodiment of the invention.
Fig. 3 is the structural representation based on the automatic information collecting system of power line carrier communication of second embodiment of the invention.
Fig. 4 is the schematic flow sheet based on the automatic information collecting method of power line carrier communication of first embodiment of the invention.
Fig. 5 collects the method schematic diagram of the information of coupled measuring equipment for collecting device of the present invention.
Fig. 6 is the report flow schematic diagram of the new equipment networking event of the embodiment of the invention.
Fig. 7 is the schematic flow sheet based on the automatic information collecting method of power line carrier communication of second embodiment of the invention.
Embodiment
As shown in Figure 1 and Figure 2, the invention provides a kind of automatic information collecting system based on power line carrier communication, comprising: measuring equipment 40 is used for recording user electricity consumption data; Main control device 20 is used for initiating the distributed group network packet and sending the networking confirmation message by power line carrier; Collecting device 30, link to each other with main control device 20 and measuring equipment 40, be used for monitoring the message on this power line carrier that comprises this distributed group network packet and transmitting into the net request message, and the automatic Registering modules 31 with information of collecting coupled measuring equipment, wherein the information of this measuring equipment comprises at least one item in the user power utilization data that measuring equipment numbering, the agreement of communicating by letter with this collecting device, the speed of communicating by letter with this collecting device, measuring equipment record.
When concrete the application, a main control device 20 can connect a plurality of collecting devices 30, and communicates by power line carrier and those measuring equipments 30; A same collecting device 30 also can connect a plurality of measuring equipments 40 by for example RS-485 line.Those main control devices 20 also can be connected in the main website 10, and this connection can be finished by GPRS, CDMA or other private networks.
Referring again to Fig. 3, Fig. 3 is the structural representation based on the automatic information collecting system of power line carrier communication of second embodiment of the invention.In the present embodiment, this collecting device 30 has automatic Registering modules 31 and hashing algorithm computing module 32, this hashing algorithm computing module 32 is used for evading the message data conflict of power line carrier communication process, specifically, listen to the message on this power line carrier that comprises this distributed group network packet at collecting device 30 after, this collecting device 30 can not send the networking request message immediately, but utilize this hashing algorithm computing module 32 to calculate a hash time, message as if not receiving in the time in this hash on this power line carrier then sends the networking request message; Message as if receiving again in the time in this hash on this power line carrier then calculates a new hash time again.Use this hashing algorithm computing module 32 to effectively reduce the possibility that different acquisition equipment sends message collisions simultaneously, improved the success rate of carrier communication.
As shown in Figure 4, the present invention also provides a kind of automatic information collecting method based on power line carrier communication, comprising: S1, with the operation that powers on of main control device 20 and the collecting device 30 that links to each other with this main control device 20; After main control device 20 powers on, initiate the distributed group network packet by power line carrier; After collecting device 30 powers on, collect the information of the coupled measuring equipment 40 that is used for recording user electricity consumption data, and begin to monitor the message on this power line carrier that comprises this distributed group network packet; S2, collecting device 30 send the networking request message behind the arbitrary message that listens on this power line carrier that comprises this distributed group network packet; After S3, main control device 20 are received this networking request message, send the networking confirmation message, confirm that this collector equipment 30 networks successfully; After S4, collecting device 30 are received this networking confirmation message, report the information of this measuring equipment of its collection to main control device 20.
The information of above-mentioned measuring equipment comprises at least one in the user power utilization data of measuring equipment numbering, the agreement of communicating by letter with this collecting device, the speed of communicating by letter with this collecting device, measuring equipment record, in the present embodiment, the information of this measuring equipment comprises the user power utilization data of measuring equipment numbering and measuring equipment record.
In the present embodiment, after main control device 20 powers on, can be at net state with self identification; And collecting device 30 can be at net state with self identification also after receiving the networking confirmation message that main control device 20 sends.
Please be simultaneously with reference to Fig. 5, in this step S1, the step that this collecting device is collected the information of coupled measuring equipment comprises:
At first, collecting device 30 arranges measuring equipment numbering mantissa; In the present embodiment, the measuring equipment numbering mantissa that arranges is double figures, so it is 00 that this measuring equipment numbering mantissa at first is set, though do not show among the figure, be set to three figure places or only be one digit number but can measuring equipment number mantissa yet, the present invention does not do the restriction of figure place to the measuring equipment numbering mantissa that arranges.
Then, collecting device 30 selects first serial baud rate or second serial baud rate to communicate by letter with the measuring equipment with this measuring equipment numbering mantissa; Specifically, at first to select the first serial baud rate for example be that 1200bps and measuring equipment numbering mantissa is that 00 measuring equipment communicates to collecting device 30; If communication is unsuccessful, then then to select the second serial baud rate for example be 2400bps, and to number mantissa with measuring equipment be that 00 measuring equipment communicates; If communication is still unsuccessful, then not have measuring equipment numbering mantissa be 00 measuring equipment to acquiescence, or select other serial ports baud rate to communicate again.
If communicate by letter successfully, then collecting device 30 obtains the complete measuring equipment numbering of this measuring equipment and other information of this measuring equipment, for example the user power utilization data of the agreement of communicating by letter with this collecting device, the speed of communicating by letter with this collecting device or measuring equipment record.
Be after 00 measuring equipment is communicated by letter finishing with measuring equipment numbering mantissa, no matter whether communication is successful, all enter next step, the measuring equipment numbering mantissa that arranges is added 1, in the present embodiment, namely be set to 01 by original 00, repeat above-mentioned institute more in steps, mantissa reaches 99 until the measuring equipment numbering, and so, this collecting device 30 has just been finished the collection to the information of coupled measuring equipment.
In this step S2, this collecting device 30 not only can directly send the networking request message to main control device 20, can also be by confirming that through this main control device 20 other collecting devices that network successfully send, so efficiently solve the bad problem of communicating by letter that some collecting device 30 and main control device 20 cause owing to reasons such as distances.
In order to reduce the possibility that different acquisition equipment sends message collisions simultaneously, in this step S2, before collecting device 30 is initiated this networking request message, also comprise step: this collecting device 30 draws a hash time by the hashing algorithm computing, and in the time, continue to monitor the message on this power line carrier in this hash.If in the time, this collecting device 30 listens to the message on this power line carrier in this hash, then this collecting device 30 recomputates the new hash time.This shows to have only when in this hash in the time, when this collecting device 30 did not hear message on this power line carrier, this collecting device 30 just can be initiated the request message that networks.
Need to prove that in the present embodiment, the message that this collecting device 30 receives must be complete and correct, otherwise, can not recomputate the new hash time.
The above-mentioned hash time was made up of hard straight stand-by period and random wait time, wherein should arrange according to employed power line carrier communication chip characteristics the hard straight stand-by period, guaranteed that chip is in normal reiving/transmitting state; This random wait time then with this collecting device before sending the networking request message, the number of the message on this power line carrier that listens to is relevant, in the specific implementation, listen to a message and be designated as once conflict, the conflict number of times is 0 when initial, weighting obtains the random wait time interval according to the conflict number of times, obtains a random wait time according to equally distributed principle is between the Accreditation Waiting Area then.In the present embodiment, this random wait time and hard straight stand-by period and be exactly the hash time.
Information in time synchronous whole system also comprises after this step S3: main control device 20 generates new collecting device networking event, and reports to main website 10; Also comprise after this step S4: main control device 20 generates new measuring equipment networking event, and reports to main website 10.
Please refer to Fig. 6, Fig. 6 is the report flow schematic diagram of the new equipment networking event of the embodiment of the invention.Main control device 20 at first judges whether to be the information of collecting device or the information of measuring equipment after receiving the message that collecting device reports; If then then judge the information that whether has this collecting device or measuring equipment in its main control device archives; If the information of existing this collecting device or measuring equipment then only needs this information is upgraded, if the information of this collecting device or measuring equipment not then is stored in this information in the main control device archives; Then main control device 20 is reported to main website 10 with the information of this collecting device or measuring equipment, after main website 10 receives this information, information is stored, and transmission confirms to report to main control device 20, after main control device 20 received this affirmation report, just reporting of new equipment networking event finished, if main control device 20 does not receive this affirmation report, then this main control device 20 can continue to report to main website 10 information of this collecting device or measuring equipment, until finishing reporting of new equipment networking event.
Referring again to Fig. 7, Fig. 7 is the schematic flow sheet based on the automatic information collecting method of power line carrier communication of second embodiment of the invention.Different with the automatic information collecting method based on power line carrier communication of first embodiment of the invention is: in the present embodiment, for finishing of step S4 done affirmation, also comprise step S5: after main control device 20 is received the information of this measuring equipment, the transmission confirmation message of filing confirms that this measuring equipment files successfully.
The invention provides a kind of user profile automatic acquiring method and system thereof based on power line carrier communication, with the main body of collecting device as the distributed group network process, this collecting device is monitored at network packet, utilize the hashing algorithm operation method to send the networking request message simultaneously in good time, so in the process of utilizing the parallel networking of multiple spot, when saving the time of networking and improving the utilance of carrier channel, reduce the possibility that different acquisition equipment sends message collisions simultaneously, improved the success rate of carrier communication.The present invention also collects measuring equipment information automatically by collecting device, realized the non-maintaining property of measuring equipment information, the mistake that has reduced human input and may have been introduced by manual operation; Utilize the reporting events module of main control device that the information synchronization of whole system is provided simultaneously, have greatly improved for the promptness of system and data analysis.
Above with reference to description of drawings the preferred embodiments of the present invention, those skilled in the art do not depart from the scope and spirit of the present invention, and can have multiple flexible program to realize the present invention.For example, the feature that illustrates or describe as the part of an embodiment can be used for another embodiment to obtain another embodiment.Below only for the preferable feasible embodiment of the present invention, be not so limit to interest field of the present invention, the equivalence that all utilizations specification of the present invention and accompanying drawing content are done changes, and all is contained within the interest field of the present invention.
Claims (10)
1. the automatic information collecting method based on power line carrier communication is characterized in that, comprising:
S1, with the operation that powers on of main control device and the collecting device that links to each other with described main control device; After described main control device powers on, initiate the distributed group network packet by power line carrier; After described collecting device powers on, collect the information of the coupled measuring equipment that is used for recording user electricity consumption data, and begin to monitor the message on the described power line carrier that comprises described distributed group network packet;
S2, described collecting device send the networking request message behind the arbitrary message that listens on the described power line carrier that comprises described distributed group network packet;
After S3, described main control device are received described networking request message, send the networking confirmation message, confirm that described collector equipment networks successfully;
After S4, described collecting device are received described networking confirmation message, report the information of the described measuring equipment of its collection to described main control device.
2. the automatic information collecting method based on power line carrier communication according to claim 1, it is characterized in that the information of described measuring equipment comprises at least one in the user power utilization data of measuring equipment numbering, the agreement of communicating by letter with described collecting device, the speed of communicating by letter with described collecting device, measuring equipment record.
3. the automatic information collecting method based on power line carrier communication according to claim 1, it is characterized in that, in described step S1, the step that described collecting device is collected the information of coupled measuring equipment comprises: described collecting device arranges measuring equipment numbering mantissa; Described collecting device is selected first serial baud rate or second serial baud rate and is had described measuring equipment and number the measuring equipment of mantissa and communicate by letter; After communicating by letter successfully, described collecting device obtains the complete measuring equipment numbering of described measuring equipment and other information of described measuring equipment.
4. the automatic information collecting method based on power line carrier communication according to claim 1, it is characterized in that, among the described step S2, before described collecting device is initiated described networking request message, also comprise step: described collecting device draws a hash time by the hashing algorithm computing, and in the time, continue to monitor the message on the described power line carrier in described hash.
5. the automatic information collecting method based on power line carrier communication according to claim 4, it is characterized in that, if in the time, described collecting device listens to the message on the described power line carrier in described hash, then described collecting device recomputates the new hash time.
6. the automatic information collecting method based on power line carrier communication according to claim 1 is characterized in that, also comprises after described step S3: described main control device generates new collecting device filing event, and reports to main website; Also comprise after described step S4: described main control device generates new measuring equipment networking event, and reports to described main website.
7. the automatic information collecting method based on power line carrier communication according to claim 1, it is characterized in that, also comprise step S5: after described main control device is received the information of described measuring equipment, send the confirmation message of filing, confirm that described measuring equipment files successfully.
8. the automatic information collecting system based on power line carrier communication is characterized in that, comprising:
Measuring equipment is used for recording user electricity consumption data;
Main control device is used for initiating the distributed group network packet and sending the networking confirmation message by power line carrier;
Collecting device, link to each other with described main control device and described measuring equipment, be used for monitoring the message on the described power line carrier that comprises described distributed group network packet and transmitting into the net request message, and have the automatic Registering modules of the information of collecting coupled described measuring equipment.
9. the automatic information collecting system based on power line carrier communication according to claim 8 is characterized in that, described collecting device also is provided with the hashing algorithm computing module for the message data conflict of evading the power line carrier communication process.
10. the automatic information collecting system based on power line carrier communication according to claim 8 is characterized in that, described main control device also is provided with the reporting events module for the information that reports described collecting device and described measuring equipment to main website.
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| CN110442096A (en) * | 2019-07-29 | 2019-11-12 | 福建顺昌虹润精密仪器有限公司 | A kind of data acquisition control work station and its data transmission method |
| CN110442096B (en) * | 2019-07-29 | 2023-07-21 | 福建顺昌虹润精密仪器有限公司 | Data acquisition control workstation and data transmission method thereof |
| CN112468187A (en) * | 2020-12-10 | 2021-03-09 | 磐基技术有限公司 | Ad-hoc network method of power line carrier communication equipment |
| CN112468187B (en) * | 2020-12-10 | 2022-06-07 | 磐基技术有限公司 | Ad-hoc network method of power line carrier communication equipment |
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| CN103312563B (en) | 2017-06-30 |
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