CN107835037A - Power carrier frequency control method and device - Google Patents
Power carrier frequency control method and device Download PDFInfo
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- CN107835037A CN107835037A CN201711279423.1A CN201711279423A CN107835037A CN 107835037 A CN107835037 A CN 107835037A CN 201711279423 A CN201711279423 A CN 201711279423A CN 107835037 A CN107835037 A CN 107835037A
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- 230000006698 induction Effects 0.000 claims description 4
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- 238000005516 engineering process Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/542—Systems for transmission via power distribution lines the information being in digital form
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- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The invention discloses a power carrier frequency control method and a power carrier frequency control device, wherein the method comprises the steps of reading load characteristic parameters of a power bus detected by a load detection module circuit, analyzing the load characteristic parameters, generating a configuration instruction, and sending the generated configuration instruction to a P L C module circuit to enable the P L C module circuit to configure the working state of the power bus according to the configuration instruction.
Description
Technical field
The present invention relates to power line carrier technology field, in particular to a kind of power carrier control method for frequency and
Device.
Background technology
With the development trend of energy internet, energy information interconnection is even closer.As information carrier transmission research most
Long power line carrier technology, its development are limited always.A big reason therein be the load of power system it is various, it is changeable,
Its load characteristic shown varies, to the degree of absorption of signal also with regard to a great difference, so power line carrier module can not
Accomplish generalization, some frequencies cause communication distance short under corresponding load characteristic, and communication quality is low so that existing application is non-
It is often limited.In energy Internet era, opportunity, power line carrier technology will improve and play it without cloth connection whereby
Advantage, using Signal Transparent Transmission Technology, turn into the vital ring of information transfer.
Poor universality under different loads characteristic is corresponded to for power line carrier module in correlation technique, influences asking for communication quality
Topic, not yet propose to efficiently solve scheme at present.
The content of the invention
The invention provides a kind of power carrier control method for frequency and device, at least to solve electric power load in the prior art
Ripple module corresponds to poor universality under different loads characteristic, the problem of influenceing communication quality.
A kind of in order to solve the above technical problems, according to an aspect of the invention, there is provided power carrier FREQUENCY CONTROL side
Method includes：The load characteristic parameter of the power bus-bar of load detecting modular circuit detection is read, and is parsed, generation configuration refers to
Order, wherein, load detecting modular circuit is connected to power bus-bar, for detecting the load characteristic parameter of power bus-bar；Will generation
Configuration-direct send to PLC module circuit so that PLC module circuit configures its working condition according to configuration-direct, wherein,
PLC module circuit is connected to power bus-bar.
Alternatively, the load characteristic parameter of the power bus-bar of load detecting modular circuit detection comprises at least one below：
Voltage parameter, current parameters, phase relation, circuit capacitive reactance, circuit induction reactance.
Alternatively, the load characteristic parameter of the power bus-bar of load detecting modular circuit detection is read, and is parsed, it is raw
Into configuration-direct, including：According to the load characteristic parameter of the power bus-bar of reading, the load module of power bus-bar is analyzed, it is determined that
Carrier frequency, generate configuration-direct corresponding with the carrier frequency determined.
Alternatively, according to the load characteristic parameter of the power bus-bar of reading, the load module of power bus-bar is analyzed, it is determined that carrying
Wave frequency rate, including：According to the load characteristic parameter of the power bus-bar of reading, the load module of power bus-bar is analyzed, is calculated negative
The maximum loss dot frequency of model is carried, maximum loss section is determined, avoids maximum loss section and determine carrier frequency.
Alternatively, according to the load characteristic parameter of the power bus-bar of reading, the load module of power bus-bar is analyzed, it is determined that carrying
Wave frequency rate, configuration-direct corresponding with the carrier frequency determined is generated, including：Joined according to the load characteristic of the power bus-bar of reading
Amount, analyzes the load module of power bus-bar, determines gear corresponding to carrier frequency, wherein multiple gears are preset with, each gear
The carrier frequency of corresponding different range；The gear according to corresponding to the carrier frequency of determination, generation are corresponding with determining carrier frequency
Configuration-direct corresponding to gear.
Alternatively, the configuration-direct of generation is sent to PLC module circuit, so that PLC module circuit is according to configuration-direct
Its working condition is configured, including：The configuration-direct of generation is sent to PLC module circuit, so that PLC module circuit is matched somebody with somebody according to this
Put instruction and configure its carrier frequency.
Alternatively, the load characteristic parameter of the power bus-bar of load detecting modular circuit detection is read, and is parsed, it is raw
Into configuration-direct, in addition to：According to the load characteristic parameter of the power bus-bar of reading, the load module of power bus-bar is analyzed, really
Determine modulation system and signal amplification factor, generate configuration-direct corresponding with the modulation system and signal amplification factor that determine.
Alternatively, sent by the configuration-direct of generation to PLC module circuit, so that PLC module circuit refers to according to configuration
After order configures its working condition, in addition to：Output data is transferred data to PLC module circuit by PLC module circuit
Power bus-bar.
According to another aspect of the present invention, there is provided a kind of power carrier frequency control apparatus, including：Load detecting mould
Block circuit, processor and PLC module circuit, wherein, load detecting modular circuit, power bus-bar is connected to, for detecting electricity
Load characteristic parameter on power bus；Processor, it is connected with load detecting modular circuit, for reading load detecting modular circuit
The load characteristic parameter of detection, is parsed, and generates configuration-direct according to analysis result；PLC module circuit, for receiving area
The configuration-direct that device is sent is managed, the working condition of itself is configured according to configuration-direct.
Alternatively, processor is additionally operable to output data to PLC module circuit, is transferred data to by PLC module circuit
Power bus-bar.
In the present invention, in power carrier FREQUENCY CONTROL, consider different load characteristic parameters, examined according to load is read
Survey the load characteristic parameter generation control instruction of the power bus-bar of modular circuit detection, and then the work shape to PLC module circuit
State is controlled, and this control mode can effectively solve power line carrier module in the prior art and correspond under different loads characteristic
Poor universality, the problem of influenceing communication quality, the versatility of power line carrier module is improved, further, improves communication quality.
Brief description of the drawings
Fig. 1 is a kind of optional flow chart of power carrier control method for frequency according to embodiments of the present invention；And
Fig. 2 is a kind of optional structural representation of power carrier frequency control apparatus according to embodiments of the present invention.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent and the consistent all embodiments of the present invention.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, of the invention.
Embodiment 1
Power carrier control method for frequency provided by the invention is illustrated below in conjunction with the accompanying drawings.
As shown in figure 1, the power carrier control method for frequency may comprise steps of S102-S104：
S102, reads the load characteristic parameter of the power bus-bar of load detecting modular circuit detection, and is parsed, and generates
Configuration-direct, wherein, load detecting modular circuit is connected to power bus-bar, for detecting the load characteristic parameter of power bus-bar；
Preferably, the load characteristic parameter of the power bus-bar of load detecting modular circuit detection can include：Voltage parameter,
One or more of current parameters, phase relation, circuit capacitive reactance, circuit induction reactance, it can also be increased according to circuit requirements to it
The detection of his load characteristic parameter.
S104, the configuration-direct of generation is sent to PLC module circuit, so that PLC module circuit is matched somebody with somebody according to configuration-direct
Its working condition is put, wherein, PLC module circuit is connected to power bus-bar.
In the above-described embodiment, in power carrier FREQUENCY CONTROL, different load characteristic parameters is considered, according to reading
The load characteristic parameter generation control instruction of the power bus-bar of load detecting modular circuit detection, and then to PLC module circuit
Working condition is controlled, and this control mode can effectively solve power line carrier module in the prior art and correspond to different loads
Poor universality under characteristic, the problem of influenceing communication quality, the versatility of power line carrier module is improved, further, improves communication
Quality.During specific implementation, the load characteristic parameter of the power bus-bar of load detecting modular circuit detection is read, and is parsed,
Configuration-direct is generated, including：According to the load characteristic parameter of the power bus-bar of reading, the load module of power bus-bar is analyzed, really
Determine carrier frequency, generate configuration-direct corresponding with the carrier frequency determined.Preferably, when stating scheme in realization, Ke Yigen
According to the load characteristic parameter of the power bus-bar of reading, the load module of power bus-bar is analyzed, the maximum of load module is calculated and damages
Dot frequency is consumed, maximum loss section is determined, avoids maximum loss section and determine carrier frequency.It is for example, negative using being accessed to circuit
The model inspection of load and the technology modeled, calculate the maximum loss point and its ± 3dB frequency ranges of corresponding model, then, root
Upper result of calculation according to this, adjusts power line signal carrier frequency, avoids its attenuation points, adjust to the carrier frequency of minimal attenuation.
Preferably, in the load characteristic parameter of the power bus-bar according to reading, the load module of power bus-bar is analyzed, it is determined that
Carrier frequency, can be first according to the load of the power bus-bar of reading when generating configuration-direct corresponding with the carrier frequency determined
Characteristic parameter, the load module of power bus-bar is analyzed, determine gear corresponding to carrier frequency, wherein being preset with multiple gears, often
Individual gear corresponds to the carrier frequency of different range；Then, the gear according to corresponding to the carrier frequency of determination, generation is with determining carrier wave
Configuration-direct corresponding to gear corresponding to frequency., can by the mapping relations for the carrier frequency for setting gear and different range
More quickly and easily to generate configuration-direct, adjustment control is also allowed for.
Preferably, sent by the configuration-direct of generation to PLC module circuit, so that PLC module circuit refers to according to configuration
After order configures its working condition, in addition to：Output data is transferred data to PLC module circuit by PLC module circuit
Power bus-bar.
Furthermore, it is necessary to explanation, the configuration-direct of generation may be used also in addition to the configuration of the carrier frequency comprising above-mentioned record
With the load characteristic parameter of the power bus-bar according to reading, the load module of power bus-bar is analyzed, determines modulation system and signal
Multiplication factor, generate configuration-direct corresponding with the modulation system and signal amplification factor that determine., can by above-mentioned embodiment
To realize the diversity of configuration, the versatility of power line carrier module is further improved.
Embodiment 2
Based on the power carrier control method for frequency provided in above-described embodiment 1, optional embodiment 2 of the present invention also provides
A kind of power carrier frequency control apparatus, specifically, Fig. 2 shows a kind of optional structural representation of the device, such as Fig. 2
Shown, the device includes：Load detecting modular circuit, processor and PLC module circuit, wherein,
Load detecting modular circuit, being connected to power bus-bar, (Fig. 2 shows middle single phase ac L/N, and practical application does not limit electric power
Bus type, also can be dc bus), for detecting the load characteristic parameter on power bus-bar；
Processor, it is connected with load detecting modular circuit, for reading the load characteristic of load detecting modular circuit detection
Parameter, parsed, and configuration-direct is generated according to analysis result；
PLC module circuit, the configuration-direct sent for reception processing device, the work shape of itself is configured according to configuration-direct
State.
Preferably, processor is additionally operable to output data to PLC module circuit, is transferred data to by PLC module circuit
Power bus-bar.
In the above-described embodiment, in power carrier FREQUENCY CONTROL, different load characteristic parameters is considered, according to reading
The load characteristic parameter generation control instruction of the power bus-bar of load detecting modular circuit detection, and then to PLC module circuit
Working condition is controlled, and this control mode can effectively solve power line carrier module in the prior art and correspond to different loads
Poor universality under characteristic, the problem of influenceing communication quality, the versatility of power line carrier module is improved, further, improves communication
Quality.
The various pieces of the power carrier frequency control apparatus shown in Fig. 2 are described in detail below, so as to more preferable
Understand the present apparatus：
Module includes three parts in the present invention：
1.PLC modular circuits, its major function include：1. reception processing device instructs, oneself state configuration is carried out.Mainly match somebody with somebody
It is set to carrier frequency, modulation system, signal amplification factor；2. the data-signal that reception processing device is sent, and by its complete transparent transmission
It is issued on power bus-bar (single phase ac L/N, practical application do not limit power bus-bar in diagram, also can be dc bus)；③
The signal on power bus-bar is received, processor end is sent to after being filtered frequency-selecting.
2. processor, its major function includes：1. exporting configuration-direct to PLC module circuit, its working condition is configured；②
Output data is transferred to power bus-bar to PLC module circuit by it；3. reading load detecting modular circuit parameter, and do and locate
Reason analysis；
3. load detecting modular circuit, its major function includes：1. detecting the load characteristic on power bus-bar, mainly there is electricity
Press parameter, current parameters, phase relation, circuit capacitive reactance, circuit induction reactance；2. detection data are uploaded to processor end.
Its course of work is, after the completion of whole modular circuits are connected, power bus-bar is detected by load detecting modular circuit
Upper loading condition, the data of load detecting modular circuit are read by processor timing, and do dissection process, analyze load module,
Determine carrier frequency gear.Processor module sends instructions to PLC carrier module circuits, configures its carrier frequency, completion pair
The control of carrier frequency.
Carrier Control precision aspect, multiple carrier frequency gears can be set, by analyzing load module, really within a processor
Determine the carrier frequency of most optimal gear.So as to ensure that the power line carrier module accessed on same power bus-bar is operated in identical
Carrier frequency, ensure normal communication.
On the device in above-described embodiment, wherein unit, module performs the concrete mode of operation relevant
It is described in detail in the embodiment of this method, explanation will be not set forth in detail herein.
Those skilled in the art will readily occur to the present invention its after considering specification and putting into practice invention disclosed herein
Its embodiment.The application be intended to the present invention any modification, purposes or adaptations, these modifications, purposes or
Person's adaptations follow the general principle of the present invention and the common knowledge in the art do not invented including the present invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be appreciated that the invention is not limited in the precision architecture for being described above and being shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (10)
- A kind of 1. power carrier control method for frequency, it is characterised in that including：The load characteristic parameter of the power bus-bar of load detecting modular circuit detection is read, and is parsed, generates configuration-direct, Wherein, the load detecting modular circuit is connected to the power bus-bar, for detecting the load characteristic parameter of power bus-bar；The configuration-direct of generation is sent to PLC module circuit, so that the PLC module circuit is according to the configuration-direct Its working condition is configured, wherein, the PLC module circuit is connected to the power bus-bar.
- 2. according to the method for claim 1, it is characterised in that the power bus-bar of the load detecting modular circuit detection Load characteristic parameter comprises at least one below：Voltage parameter, current parameters, phase relation, circuit capacitive reactance, circuit induction reactance.
- 3. according to the method for claim 2, it is characterised in that the electric power mother for reading the detection of load detecting modular circuit The load characteristic parameter of line, and parsed, configuration-direct is generated, including：According to the load characteristic parameter of the power bus-bar of reading, the load module of power bus-bar is analyzed, determines carrier frequency, Generate configuration-direct corresponding with the carrier frequency determined.
- 4. according to the method for claim 3, it is characterised in that the load characteristic of the power bus-bar according to reading Parameter, the load module of power bus-bar is analyzed, determine carrier frequency, including：According to the load characteristic parameter of the power bus-bar of reading, the load module of power bus-bar is analyzed, is calculated described negative The maximum loss dot frequency of model is carried, maximum loss section is determined, avoids the maximum loss section and determine carrier frequency.
- 5. according to the method for claim 4, it is characterised in that the load characteristic of the power bus-bar according to reading Parameter, the load module of power bus-bar is analyzed, determine carrier frequency, generated configuration corresponding with the carrier frequency determined and refer to Order, including：According to the load characteristic parameter of the power bus-bar of reading, the load module of power bus-bar is analyzed, determines carrier frequency Corresponding gear, wherein being preset with multiple gears, each gear corresponds to the carrier frequency of different range；According to gear corresponding to the carrier frequency of determination, the configuration corresponding to gear corresponding with determining carrier frequency is generated Instruction.
- 6. the method according to claim 4 or 5, it is characterised in that described to send the configuration-direct of generation to PLC Modular circuit, so that the PLC module circuit configures its working condition according to the configuration-direct, including：The configuration-direct of generation is sent to PLC module circuit, so that the PLC module circuit is matched somebody with somebody according to the configuration-direct Put its carrier frequency.
- 7. according to the method for claim 3, it is characterised in that the electric power mother for reading the detection of load detecting modular circuit The load characteristic parameter of line, and parsed, configuration-direct is generated, in addition to：According to the load characteristic parameter of the power bus-bar of reading, the load module of power bus-bar is analyzed, determines modulation system And signal amplification factor, generate configuration-direct corresponding with the modulation system and signal amplification factor that determine.
- 8. according to the method for claim 1, it is characterised in that send the configuration-direct of generation to PLC described Modular circuit, so that after the PLC module circuit configures its working condition according to the configuration-direct, in addition to：It is female to transmit the data to the electric power to the PLC module circuit by the PLC module circuit for output data Line.
- A kind of 9. power carrier frequency control apparatus, it is characterised in that including：Load detecting modular circuit, processor and PLC Modular circuit, wherein,The load detecting modular circuit, is connected to power bus-bar, for detecting the load characteristic parameter on the power bus-bar；The processor, it is connected with the load detecting modular circuit, for reading the load detecting modular circuit detection The load characteristic parameter, is parsed, and generates configuration-direct according to analysis result；The PLC module circuit, the configuration-direct sent for receiving the processor, itself is configured according to the configuration-direct Working condition.
- 10. device according to claim 9, it is characterised in that the processor is additionally operable to output data to the PLC moulds Block circuit, the power bus-bar is transmitted the data to by the PLC module circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711279423.1A CN107835037B (en) | 2017-12-06 | 2017-12-06 | Power carrier frequency control method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711279423.1A CN107835037B (en) | 2017-12-06 | 2017-12-06 | Power carrier frequency control method and device |
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| CN107835037A true CN107835037A (en) | 2018-03-23 |
| CN107835037B CN107835037B (en) | 2023-08-15 |
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