CN109981143A - Power carrier wave communication device, breaker, socket and system - Google Patents
Power carrier wave communication device, breaker, socket and system Download PDFInfo
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- CN109981143A CN109981143A CN201910142817.5A CN201910142817A CN109981143A CN 109981143 A CN109981143 A CN 109981143A CN 201910142817 A CN201910142817 A CN 201910142817A CN 109981143 A CN109981143 A CN 109981143A
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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
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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
- H04B3/56—Circuits for coupling, blocking, or by-passing of signals
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- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a kind of power carrier wave communication device, breaker, socket and systems, comprising: is connected to the current acquisition branch of power line source；Current acquisition branch includes sequentially connected current transformer, current converter, first filter, analog-digital converter, demodulator and processor；Current transformer is used to extract the first current carrier signal of power line end modulation, current converter is used to the first current carrier signal being converted into corresponding voltage carrier signal, first filter from corresponding voltage carrier signal for obtaining the first target voltage carrier signal of respective frequencies, analog-digital converter is used for first target voltage carrier signal analog-to-digital conversion into corresponding first target voltage digital carrier signal, demodulator is used to first target voltage digital carrier signal being reduced into the corresponding original signal in power line end, processor uses the corresponding original signal decoding in power line end.
Description
Technical field
The present invention relates to electric power and communication technology application field more particularly to a kind of power carrier wave communication device, intelligence are disconnected
Road device, intelligent socket and system.
Background technique
Currently, modulated signal is generally voltage in power communication, receives demodulating equipment and also generally voltage signal is carried out
Demodulation, is affected by load characteristic, and excessive load and capacitive load may all inhale carrier signal, seriously affects communication effect
Fruit.When load is very heavy on power line, line impedance is up to 1 ohm hereinafter, causing to cut down the height of carrier signal.Practical application
In, when power line zero load, point-to-point carrier signal can be transferred to several kilometers, but when load is very heavy on power line, Zhi Nengchuan
Defeated tens meters.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of power carrier wave communication device, breaker, socket and system,
The carrier voltage signal for being able to solve modulation is absorbed the problem of seriously affecting power line carrier, PLC.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
The embodiment of the invention provides a kind of power carrier wave communication devices, comprising: the electric current for being connected to power line source is adopted
Collect branch；The current acquisition branch includes sequentially connected current transformer, current converter, first filter, modulus turn
Parallel operation, demodulator and processor；The current transformer is used to extract the first current carrier signal of power line end modulation, institute
Current converter is stated for first current carrier signal to be converted into corresponding voltage carrier signal, the first filter
For obtaining the first target voltage carrier signal of respective frequencies, the analog-to-digital conversion from the corresponding voltage carrier signal
Device is used for the first target voltage carrier signal analog-to-digital conversion into corresponding first target voltage digital carrier signal, described
Demodulator is used to the first target voltage digital carrier signal being reduced into the corresponding original signal in power line end, the place
Device is managed to use the corresponding original signal decoding in the power line end.
It wherein, further include the voltage and current output branch being connected between power line, the voltage and current exports branch packet
Include the sequentially connected processor, modulator and coupler；The processor is used to encode the current number letter for needing to send
Number, the modulator is used to be the correspondence analog signal comprising carrier wave by the digital signal modulated, and the coupler, being used for will
The corresponding analog signal is coupled on the power line in a manner of voltage and current.
The embodiment of the invention also provides a kind of power carrier wave communication devices, comprising: is connected to the voltage of power line end
Acquire branch；The voltage acquisition branch includes sequentially connected voltage conversion circuit, second filter, analog-digital converter, institute
State demodulator and the processor；The voltage conversion circuit is used to extract the first voltage carrier wave letter of power line source modulation
Number, the second filter from the first voltage carrier signal for obtaining the second target voltage carrier wave letter of respective frequencies
Number, the analog-digital converter is used for the second target voltage carrier signal analog-to-digital conversion into corresponding second target voltage number
Word carrier signal, the demodulator are used to the second target voltage digital carrier signal being reduced into power line source corresponding
The corresponding original signal of the power line source is decoded and is executed by original signal, the processor.
The embodiment of the invention also provides a kind of breakers, including current acquisition branch, voltage acquisition branch and voltage electricity
Stream output branch；The current acquisition branch includes sequentially connected current transformer, current converter, first filter, mould
Number converter, demodulator and processor；The current transformer is used to extract the first current carrier signal of socket modulation, described
Current converter is used to for first current carrier signal being converted into corresponding voltage carrier signal, and the first filter is used
In the first target voltage carrier signal for obtaining respective frequencies from the corresponding voltage carrier signal, the analog-digital converter
For by the first target voltage carrier signal analog-to-digital conversion at corresponding first target voltage digital carrier signal, the solution
Adjust device for the first target voltage digital carrier signal to be reduced into the corresponding original signal of the socket and is sent to institute
State processor；
The voltage acquisition branch includes sequentially connected voltage conversion circuit, second filter, analog-digital converter, described
Demodulator and the processor；
The voltage and current output branch includes the sequentially connected processor, modulator and coupler；The processing
Device is used to the digital signal modulated be to include carrier wave for encoding the digital signal for currently needing to send, the modulator
Corresponding analog signal, the coupler are described for the corresponding analog signal to be coupled in a manner of voltage and current
On power line.
Wherein, further includes: the first wifi module, first wifi module are connected to the processor realization and long-distance cloud
End data transmitting-receiving.
The embodiment of the invention also provides a kind of sockets, including the voltage acquisition branch being connected between power line end；
The voltage acquisition branch include sequentially connected voltage conversion circuit, second filter, analog-digital converter, the demodulator and
The processor；The voltage conversion circuit is used to extract the first voltage carrier signal of breaker modulation, second filtering
Device from the first voltage carrier signal for obtaining the second target voltage carrier signal of respective frequencies, the analog-to-digital conversion
Device is used for the second target voltage carrier signal analog-to-digital conversion into corresponding second target voltage digital carrier signal, described
Demodulator is for being reduced into the corresponding original signal of the breaker for the second target voltage digital carrier signal and sending
To the processor；
The current acquisition branch includes sequentially connected current transformer, current converter, first filter, modulus turn
Parallel operation, the demodulator and the processor；
The voltage and current exports branch, and the voltage and current output branch includes the sequentially connected processor, tune
Device and coupler processed；The processor is used to encode the digital signal for currently needing to send, what the modulator was used to encode
Digital signal modulated be the corresponding analog signal comprising carrier wave, the coupler, for by the corresponding analog signal with
Voltage and current mode is coupled on the power line.
The embodiment of the invention also provides a kind of power carrier communication systems, including the first power carrier wave communication device,
Two power carrier wave communication devices, socket and breaker；First power carrier wave communication device is embedded among the breaker,
Second power carrier wave communication device is embedded among the socket；The socket is filled by second power carrier communication
It sets and sends corresponding current modulated to the power line, first power carrier being embedded among the breaker is logical
News device receives the current modulated and demodulates, and is received and dispatched by first wifi module and long-distance cloud end data.
A kind of power carrier wave communication device, breaker, socket and system provided in an embodiment of the present invention, in electric power line source
The current transformer at end is used to extract the first current carrier signal of power line end modulation, in power line and power line end
The corresponding analog current signal is coupled on the power line by the coupler between end, in this way, power line end
When sending signal to power line source, power line end uses current modulated, and power line source passes through the Current Mutual Inductance
Device receives signal, in this way, make power line end into power line source power carrier signal communication process, it is not negative by power line
The influence of lotus improves the communication quality that power line end sends data to power line source.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the power carrier wave communication device that one embodiment of the invention provides；
Fig. 2 is the structural schematic diagram for the breaker that one embodiment of the invention provides；
Fig. 3 is the structural schematic diagram for the socket that one embodiment of the invention provides；
Fig. 4 is the structural schematic diagram for the power carrier communication system that one embodiment of the invention provides.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is further described in more detail.
As shown in Figure 1, one embodiment of the invention provides a kind of power carrier wave communication device 10, it is applied to electric power line source
End, comprising: be connected to the current acquisition branch of power line source；The current acquisition branch includes sequentially connected Current Mutual Inductance
Device 11, current converter 12, first filter 13, analog-digital converter 14, demodulator 15 and processor 16；The current transformer
11 for extracting the first current carrier signal of power line end modulation, and the current converter 12 is used for first electric current
Carrier signal is converted into corresponding voltage carrier signal, and the first filter 13 is used for from the corresponding voltage carrier signal
The middle first target voltage carrier signal for obtaining respective frequencies, the analog-digital converter 14 is for carrying the first target voltage
Wave signal modulus is converted into corresponding first target voltage digital carrier signal, and the demodulator 15 is used for the first object
Voltage digital carrier signal is reduced into the corresponding original signal in power line end, and the processor 16 is by the power line end pair
The original signal decoding answered uses.In this way, making power line end into power line source power carrier signal communication process, no
It is influenced by electric power specific electric load, improves the communication quality that power line end sends data to power line source.
Here, power line source can be the host node of equipment, and power line end can be the slave node of equipment, from node
It can be with more than one, such as multiple communications between node and a host node.Current transformer 11 can be high-frequency current
Mutual inductor is generally made of ferrite core wound coil, and the circle number of coil can be set as the case may be；Here, electric current
Converter 12 is to be connected in series current signal to be measured being converted to corresponding voltage by one group of resistance；Here, first filter 13
It can be selective frequency amplifier circuit, realizing has amplification outstanding to the signal of a certain band frequency or single-frequency, and to it
The signal of his frequency has the amplifying unit compared with high inhibition effect, such as can be high freguency bandpass filter, for example, RLC vibrates
Circuit is exactly an analog bandpass filter, the equipment for allowing the wave of special frequency channel to pass through while shielding other frequency ranges；Here, it solves
Adjust device 15 that can restore the low-frequency digital signal being modulated in high-frequency digital signal, it can be using general sides such as OFDM
Method；Here, processor 16 can be CPU, including send instruction and acquisition data, such as the power line end of acquisition is corresponding
Original signal is sent to power line source, realizes the communication of power line source and power line end.
Further, corresponding device further includes the voltage and current output branch being connected between power line, the voltage electricity
Stream output branch includes the sequentially connected processor 16, modulator 17 and coupler 18；The processor 16 is for encoding
The digital signal for currently needing to send, the modulator 17 are used to the digital signal modulated be the corresponding mould comprising carrier wave
Quasi- signal, the coupler 18, for the corresponding analog signal to be coupled to the power line in a manner of voltage and current
On.
Here, the digital signal of transmission can be converted to adaptation power line using universal methods such as OFDM by modulator 17
The analog signal of transmission；Voltage and current output branch can be to be made of triode and capacitor etc., for example, can be by same group three
Grade pipe driving, capacitive coupling generate the variation of electric current with the variation of voltage in power line, optionally, power line source to
When power line end sends signal, transmission of electricity pressure directly can also be uploaded in power line, such as in home scenarios application, generally use
Phase line is coupled with middle line (zero curve), and frequency range meets traffic rate while to realize several hundred rice grain pattern communication distances using 1-8MHz
Demand, while also adapting to the frequency range of high-frequency mutual inductor.In this way, the signal that power line source exports is coupled on power line
Realize the communication of power line source and power line end.
One embodiment of the invention provides a kind of power carrier wave communication device 10, applies in power line end, comprising: connection
Voltage acquisition branch in power line end；The voltage acquisition branch includes sequentially connected voltage conversion circuit 19, second
Filter, analog-digital converter 14, the demodulator 15 and the processor 16；The voltage conversion circuit 19 is for extracting electric power
The first voltage carrier signal of line source end modulation, the second filter 20 from the first voltage carrier signal for obtaining
Second target voltage carrier signal of respective frequencies, the analog-digital converter 14 are used for the second target voltage carrier signal
Analog-to-digital conversion is used at corresponding second target voltage digital carrier signal, the demodulator 15 by the second target voltage number
Word carrier signal is reduced into the corresponding original signal of power line source, and the processor 16 is by the corresponding original of the power line source
Beginning signal is sent to the power line end.
Here, power line source can be the host node of equipment, and power line end can be the slave node of equipment, from node
It can be with more than one, such as multiple communications between node and a host node.Voltage conversion circuit 19 is generally by ferrite
Core wound coil composition, the circle number of coil can be set as the case may be；Here, second filter 20 can be high frequency band
Bandpass filter allows the wave of special frequency channel to pass through while shielding for example, RLC oscillation circuit is exactly an analog bandpass filter
The equipment of other frequency ranges；Here, demodulator 15 can restore the low-frequency digital signal being modulated in high-frequency digital signal,
It can be using universal methods such as OFDM；Here, processor 16 can be CPU, including send instruction and acquisition data, such as will adopt
The corresponding original signal of power line source of collection is sent to power line end, realizes the logical of power line end and power line source
News.
It further, further include current acquisition branch, the current acquisition branch includes sequentially connected current transformer
11, current converter 12, first filter 13, analog-digital converter 14, the demodulator 15 and the processor 16.Here, locate
Reason device 16 makes can control when receiving the signal that power line source is sent, the work of voltage acquisition branch or current acquisition branch work
Make.
It further, further include the voltage and current output branch being connected between power line and power line source, the electricity
It includes the sequentially connected processor 16, modulator 17 and coupler 18 that current voltage, which exports branch,；The processor 16 is used for
The carrier current signal of power line end output is received, the modulator 17 is used to the carrier current signal being reduced into correspondence
Analog current signal, the coupler 18, for the corresponding analog current signal to be coupled to the power line.
Here, the digital signal of transmission can be converted to adaptation power line using universal methods such as OFDM by modulator 17
The analog signal of transmission；Voltage and current output branch can be to be made of triode and capacitor etc., for example, can be by same group three
Grade pipe driving, capacitive coupling generate the variation of electric current with the variation of voltage in power line, optionally, power line source to
When power line end sends signal, transmission of electricity pressure directly can also be uploaded in power line.In this way, the signal that power line end is exported
It is coupled on power line the communication for realizing power line end and power line source.
One embodiment of the invention provides a kind of breaker 30, specifically by taking breaker as an example, please refers to Fig. 2 and Fig. 3, including
Current acquisition branch, voltage acquisition branch and voltage and current export branch；The current acquisition branch includes sequentially connected electricity
Current transformer 11, current converter 12, first filter 13, analog-digital converter 14, demodulator 15 and processor 16；The electric current
Mutual inductor 11 is used to extract the first current carrier signal of the modulation of socket 40, and the current converter 12 is used for first electricity
Stream carrier signal is converted into corresponding voltage carrier signal, and the first filter 13 is used to believe from the corresponding voltage carrier
The first target voltage carrier signal of respective frequencies is obtained in number, the analog-digital converter 14 is used for the first target voltage
Carrier signal analog-to-digital conversion is used at corresponding first target voltage digital carrier signal, the demodulator 15 by first mesh
Mark voltage digital carrier signal is reduced into the corresponding original signal of socket 40 and is sent to the processor 16；
The voltage acquisition branch includes sequentially connected voltage conversion circuit 19, second filter 20, analog-digital converter
14, the demodulator 15 and the processor 16；
The voltage and current output branch includes the sequentially connected processor 16, modulator 17 and coupler 18；Institute
Processor 16 is stated for encoding the digital signal for currently needing to send, the modulator 17 for being by the digital signal modulated
Corresponding analog signal comprising carrier wave, the coupler 18 are used for the corresponding analog signal with voltage and current side
Formula is coupled on the power line.In this way, the first current carrier signal that socket 40 is modulated is extracted by current transformer 11, and
The corresponding original of socket 40 is obtained through current converter 12, first filter 13, analog-digital converter 14, demodulator 15 and processor 16
Beginning signal under the premise of the communication for finally realizing socket 40 and breaker 30, not by power line loading effects, improves communication matter
Amount.
Further, the breaker 30 further include: the first wifi module 21, first wifi module 21 and the place
Device 16 is managed to realize and the transmitting-receiving of long-distance cloud end data.
Here, wireless network protocol IEEE802.11b.g.n protocol stack built in the first wifi module 21 and TCP/IP association
Stack is discussed, the breaker 30 directly can be connected to internet using Wi-Fi, be to realize that the Internet of Things such as wireless intelligent house, M2M are answered
Important composition.Here the first wifi module 21 is realized with the processor 16 refers to the place with the data transmit-receive of socket 40
Device 16 is managed by the data, including current flow, switch state etc. of current acquisition branch reception socket 40, in this way, can be with
Signal, which is sent, by first wifi module 21 is transferred to the realization of socket 40 cut-offfing to socket 40.
One embodiment of the invention provides a kind of socket 40, including the voltage being connected between power line and power line end
Acquire branch；The voltage acquisition branch includes sequentially connected voltage conversion circuit 19, second filter 20, analog-digital converter
14, the demodulator 15 and the processor 16；The voltage conversion circuit 19 is used to extract the first electricity of the modulation of breaker 30
Carrier signal is pressed, the second filter 20 from the first voltage carrier signal for obtaining the second target of respective frequencies
Voltage carrier signal, the analog-digital converter 14 are used for the second target voltage carrier signal analog-to-digital conversion at corresponding the
Two target voltage digital carrier signals, the demodulator 15 are used to the second target voltage digital carrier signal being reduced into institute
It states the corresponding original signal of breaker 30 and is sent to the processor 16；
The current acquisition branch include sequentially connected current transformer 11, current converter 12, first filter 13,
Analog-digital converter 14, the demodulator 15 and the processor 16；
The voltage and current exports branch, the voltage and current output branch include the sequentially connected processor 16,
Modulator 17 and coupler 18；The processor 16 is used for encoding the digital signal for currently needing to send, the modulator 17
It is the corresponding analog signal comprising carrier wave in the digital signal modulated that will be encoded, the coupler 18 is used for the correspondence
Analog signal be coupled on the power line in a manner of voltage and current.Here, for encoding the number for currently needing to send
Signal, voltage, electric current and the temperature signal acquired such as socket.
In this way, extracting the first voltage carrier signal that breaker 30 is modulated by voltage conversion circuit 19, and through the second filter
Wave device 20, analog-digital converter 14, demodulator 15 and processor 16 obtain the corresponding original signal of breaker 30, and final realize is resolved
The communication of road device 30 and socket 40.
Referring to Fig. 4, the embodiment of the invention also provides a kind of power carrier communication system, including the first power carrier is logical
Interrogate device 23, the second power carrier wave communication device 24, socket 40 and breaker 30；First power carrier wave communication device 23 is embedding
Enter among the breaker 30, second power carrier wave communication device 24 is embedded among the socket 40；The socket
40 send corresponding current modulated to the power line by second power carrier wave communication device 24, described to be embedded in
The first power carrier wave communication device 23 among the breaker receives the current modulated and demodulates, and passes through described the
One wifi module 21 is received and dispatched with long-distance cloud end data.
Here, the first power carrier wave communication device 23 and 24 structure of the second power carrier wave communication device and the above-mentioned reality of the application
It is identical to apply power carrier wave communication device 10 described in example.Socket 40 passes through second power carrier wave communication device 24 for electric current tune
Signal processed is coupled on power line, and breaker 30 is extracted the current modulated simultaneously by the first power carrier wave communication device 23
Demodulation, finally obtains the corresponding signal in 40 end of socket, in this way, during communication between socket 40 and breaker 30, no
The problem of by power line loading effects, improves the communication quality that socket 40 sends data to breaker 30.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, the shape of hardware embodiment, software implementation or embodiment combining software and hardware aspects can be used in the present invention
Formula.Moreover, the present invention, which can be used, can use storage in the computer that one or more wherein includes computer usable program code
The form for the computer program product implemented on medium (including but not limited to magnetic disk storage and optical memory etc.).
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.It is all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and scope of the present invention is all contained in protection model of the invention
Within enclosing.
Claims (7)
1. a kind of power carrier wave communication device characterized by comprising be connected to the current acquisition branch of power line source；Institute
Stating current acquisition branch includes sequentially connected current transformer, current converter, first filter, analog-digital converter, demodulation
Device and processor；The current transformer is used to extract the first current carrier signal of power line end modulation, and the electric current turns
Parallel operation is used to for first current carrier signal being converted into corresponding voltage carrier signal, and the first filter is used for from institute
The first target voltage carrier signal that respective frequencies are obtained in corresponding voltage carrier signal is stated, the analog-digital converter is used for will
The first target voltage carrier signal analog-to-digital conversion is used at corresponding first target voltage digital carrier signal, the demodulator
In the first target voltage digital carrier signal is reduced into the corresponding original signal in power line end, the processor is by institute
The corresponding original signal decoding in power line end is stated to use.
2. power carrier wave communication device as described in claim 1, which is characterized in that further include the electricity being connected between power line
Current voltage exports branch, and the voltage and current output branch includes the sequentially connected processor, modulator and coupler；Institute
Processor is stated for encoding the digital signal for currently needing to send, the modulator for by the digital signal modulated for comprising
The corresponding analog signal of carrier wave, the coupler, for coupling the corresponding analog signal in a manner of voltage and current
Onto the power line.
3. a kind of power carrier wave communication device characterized by comprising be connected to the voltage acquisition branch of power line end；Institute
Stating voltage acquisition branch includes sequentially connected voltage conversion circuit voltage conversion circuit, second filter, analog-digital converter, institute
State demodulator and the processor；The voltage conversion circuit voltage conversion circuit is used to extract the first of power line source modulation
Voltage carrier signal, the second filter from the first voltage carrier signal for obtaining the second target of respective frequencies
Voltage carrier signal, the analog-digital converter are used for the second target voltage carrier signal analog-to-digital conversion at corresponding second
Target voltage digital carrier signal, the demodulator are used to the second target voltage digital carrier signal being reduced into power line
The corresponding original signal of the power line source is decoded and is executed by the corresponding original signal of source, the processor.
4. a kind of breaker, which is characterized in that export branch including current acquisition branch, voltage acquisition branch and voltage and current；
The current acquisition branch includes sequentially connected current transformer, current converter, first filter, analog-digital converter, solution
Adjust device and processor；The current transformer is used to extract the first current carrier signal of socket modulation, the current converter
For first current carrier signal to be converted into corresponding voltage carrier signal, the first filter is used for from described right
The first target voltage carrier signal of respective frequencies is obtained in the voltage carrier signal answered, the analog-digital converter is used for will be described
For first target voltage carrier signal analog-to-digital conversion at corresponding first target voltage digital carrier signal, the demodulator is used for will
The first target voltage digital carrier signal is reduced into the corresponding original signal of the socket and is sent to the processor；
The voltage acquisition branch includes sequentially connected voltage conversion circuit, second filter, analog-digital converter, the demodulation
Device and the processor；
The voltage and current output branch includes the sequentially connected processor, modulator and coupler；The processor is used
In the digital signal that coding currently needs to send, the modulator is used to the digital signal modulated be the correspondence comprising carrier wave
Analog signal, the coupler, for the corresponding analog signal to be coupled to the electric power in a manner of voltage and current
On line.
5. breaker as claimed in claim 4, which is characterized in that further include: the first wifi module, first wifi module
It is connected to the processor realization and long-distance cloud end data is received and dispatched.
6. a kind of socket, which is characterized in that including the voltage acquisition branch being connected between power line end；The voltage acquisition
Branch includes sequentially connected voltage conversion circuit, second filter, analog-digital converter, the demodulator and the processor；
The voltage conversion circuit is used to extract the first voltage carrier signal of breaker modulation, and the second filter is used for from described
The second target voltage carrier signal of respective frequencies is obtained in first voltage carrier signal, the analog-digital converter is used for will be described
For second target voltage carrier signal analog-to-digital conversion at corresponding second target voltage digital carrier signal, the demodulator is used for will
The second target voltage digital carrier signal is reduced into the corresponding original signal of the breaker and is sent to the processor；
The current acquisition branch includes sequentially connected current transformer, current converter, first filter, analog-to-digital conversion
Device, the demodulator and the processor；
The voltage and current exports branch, and the voltage and current output branch includes the sequentially connected processor, modulator
And coupler；The processor is used for the number that will be encoded for encoding the digital signal for currently needing to send, the modulator
Signal modulation is the corresponding analog signal comprising carrier wave, and the coupler is used for the corresponding analog signal with voltage
It is coupled on the power line with current system.
7. a kind of power carrier communication system, which is characterized in that logical including the first power carrier wave communication device, the second power carrier
Interrogate device, socket and breaker；First power carrier wave communication device is embedded among the breaker, second electric power
Carrier communication device is embedded among the socket；The socket is sent corresponding by second power carrier wave communication device
For current modulated to the power line, first power carrier wave communication device being embedded among the breaker receives institute
It states current modulated and demodulates, and received and dispatched by first wifi module and long-distance cloud end data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910142817.5A CN109981143A (en) | 2019-02-26 | 2019-02-26 | Power carrier wave communication device, breaker, socket and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910142817.5A CN109981143A (en) | 2019-02-26 | 2019-02-26 | Power carrier wave communication device, breaker, socket and system |
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| CN109981143A true CN109981143A (en) | 2019-07-05 |
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|---|---|---|---|
| CN201910142817.5A Pending CN109981143A (en) | 2019-02-26 | 2019-02-26 | Power carrier wave communication device, breaker, socket and system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379682A (en) * | 2019-08-06 | 2019-10-25 | 海格科技股份有限公司 | A kind of breaker of plastic casing |
| CN110707481A (en) * | 2019-10-25 | 2020-01-17 | 北京机电工程研究所 | Connector with power line carrier function |
| CN113325227A (en) * | 2021-05-31 | 2021-08-31 | 广东电网有限责任公司 | One-point grounding current acquisition method and device based on power line carrier communication |
| CN113708799A (en) * | 2021-08-26 | 2021-11-26 | 永林电子(上海)有限公司 | Power line carrier device |
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| CN113708799B (en) * | 2021-08-26 | 2023-05-23 | 永林电子(上海)有限公司 | Power line carrier device |
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