CN113507299B - Circuit breaker device and distribution station communication system - Google Patents
Circuit breaker device and distribution station communication system Download PDFInfo
- Publication number
- CN113507299B CN113507299B CN202111054929.9A CN202111054929A CN113507299B CN 113507299 B CN113507299 B CN 113507299B CN 202111054929 A CN202111054929 A CN 202111054929A CN 113507299 B CN113507299 B CN 113507299B
- Authority
- CN
- China
- Prior art keywords
- module
- carrier signal
- electric equipment
- circuit breaker
- pass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004891 communication Methods 0.000 title claims abstract description 50
- 238000009826 distribution Methods 0.000 title claims abstract description 15
- 230000001629 suppression Effects 0.000 claims abstract description 31
- 230000008054 signal transmission Effects 0.000 claims abstract description 18
- 230000008859 change Effects 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 29
- 238000010168 coupling process Methods 0.000 claims description 29
- 238000005859 coupling reaction Methods 0.000 claims description 29
- 238000001914 filtration Methods 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 15
- 239000003990 capacitor Substances 0.000 claims description 13
- 230000007935 neutral effect Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 22
- 238000000034 method Methods 0.000 description 9
- 238000004590 computer program Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00007—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5462—Systems for power line communications
- H04B2203/5483—Systems for power line communications using coupling circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5462—Systems for power line communications
- H04B2203/5491—Systems for power line communications using filtering and bypassing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission
Abstract
The embodiment of the invention provides a circuit breaker device and a power distribution station communication system, and belongs to the technical field of communication. The circuit breaker device is connected with at least one electric device, and the device comprises: the system comprises an electric equipment control module, a low-pass noise suppression module and a band-pass carrier signal transmission module, wherein the electric equipment control module is used for controlling the disconnection or connection of the electric equipment; the low-pass noise suppression module is connected with the electric equipment control module and is used for suppressing noise generated by operation and change of the electric equipment; the band-pass carrier signal transmission module is connected in parallel with the electric equipment control module and the low-pass noise suppression module and is used for providing a carrier communication channel to carry out carrier communication reporting when the at least one electric equipment is in normal operation and power failure. The circuit breaker device and the power distribution station communication system can improve the real-time performance, stability and reliability of carrier communication.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a circuit breaker device and a power distribution station communication system.
Background
Low voltage power line carrier communication has begun to be applied in China since the end of the 20 th century, and communication technology has developed rapidly. However, the power line is designed to perform power distribution rather than high-speed data transmission, and thus the channel characteristics are not ideal for data communication.
The low-voltage power line carrier communication is affected by noise interference such as narrow band, pulse and white noise generated by the operation of the electric equipment, line attenuation, random switching-in and switching-out of the electric equipment and the like, the generated noise is complex, the time domain form is shown in fig. 1A, and the frequency domain form is shown in fig. 1B. In addition, because the same line is used for power supply and carrier communication, the carrier communication can not be carried out after power failure, so that the instantaneity, stability and reliability of the existing low-voltage power line carrier communication system are uncertain. The existing operation and maintenance means comprise increasing carrier signal transmitting power, increasing relay nodes and the like, and have great limitations, increasing the carrier signal transmitting power easily causes radiation exceeding standard and power consumption increase, and has limitation on the improvement effect of communication performance, and the relay nodes are difficult to select and get electricity at the placement positions.
Disclosure of Invention
An object of an embodiment of the present invention is to provide a circuit breaker apparatus capable of improving real-time performance, stability, and reliability of carrier communication.
In order to achieve the above object, an embodiment of the present invention provides a circuit breaker apparatus, to which at least one electrical device is connected, the apparatus including: the system comprises an electric equipment control module, a low-pass noise suppression module and a band-pass carrier signal transmission module, wherein the electric equipment control module is used for controlling the disconnection or connection of the electric equipment; the low-pass noise suppression module is connected with the electric equipment control module and is used for suppressing noise generated by operation and change of the electric equipment; the band-pass carrier signal transmission module is connected in parallel with the electric equipment control module and the low-pass noise suppression module and is used for providing a carrier communication channel to carry out carrier communication reporting when the at least one electric equipment is in normal operation and power failure.
Preferably, the band-pass carrier signal transmission module includes: the band-pass noise suppression system comprises a first carrier signal coupling module, a second carrier signal coupling module and a band-pass carrier signal filtering module, wherein the first carrier signal coupling module and the second carrier signal coupling module are respectively bridged at two ends of a structure formed by the electric equipment control module and the low-pass noise suppression module, and the band-pass carrier signal filtering module is connected between the first carrier signal coupling module and the second carrier signal coupling module.
Preferably, the electric device control module includes: the electric equipment controller is used for controlling the switch to be opened or closed so as to cut off or connect the electric equipment.
Preferably, the low-pass noise suppression module includes: an inductor disposed in the live line and a capacitor connected across the live and neutral lines.
Preferably, the band-pass carrier signal filtering module is a band-pass filter composed of a plurality of capacitors and a plurality of inductors.
Preferably, the first carrier signal coupling module and the second carrier signal coupling module each include: and the capacitors are respectively connected with the zero line and the live line.
Preferably, the apparatus further comprises: and the impedance matching module is connected between the electric equipment control module and the low-pass noise suppression module and is used for adapting impedance for the carrier signal.
Preferably, the low-pass noise suppression module and the impedance matching module include an inductor formed by winding an electrical conductor around the same high-frequency magnetic loop.
Preferably, the electric equipment control module is connected with the intelligent electric meter in a wired or wireless mode, and the electric equipment is controlled by the control signal output by the intelligent electric meter.
The present invention also provides a power distribution station communication system, comprising: the circuit breaker apparatus described above; at least one consumer connected to the circuit breaker device; the electric energy meter is connected with the circuit breaker device and used for communicating with the at least one electric device and recording the electricity utilization information of the at least one electric device; the concentrator is connected with the at least one electric energy meter and used for collecting data of the at least one electric energy meter and communicating with the at least one electric device.
By adopting the technical scheme, the circuit breaker device and the power distribution station area communication system provided by the invention can effectively inhibit the influence of noise generated by the operation and the turn-off of the electric equipment of the electric user on a power grid, increase the carrier communication coupling mode, ensure the real-time performance, stability and reliability of the local carrier communication system, and facilitate the maintenance, debugging and analysis of the operation state of the on-site high-speed power line carrier system.
Additional features and advantages of embodiments of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention without limiting the embodiments of the invention. In the drawings:
FIG. 1A is a schematic diagram of a noisy time domain representation according to an embodiment of the present invention;
FIG. 1B is a schematic diagram of a frequency domain form of noise provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a circuit breaker apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a circuit breaker apparatus according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of a circuit breaker apparatus according to another embodiment of the present invention;
fig. 5 is a schematic structural diagram of a circuit breaker apparatus according to another embodiment of the present invention;
fig. 6 is a schematic structural diagram of a power distribution substation communication system provided by an embodiment of the present invention;
fig. 7 is a schematic diagram of a frequency domain effect of a circuit breaker apparatus according to an embodiment of the invention.
Description of the reference numerals
101 consumer control module 102 low pass noise suppression module
103 band-pass carrier signal transmission module 201 impedance matching module
202 first carrier signal coupling module
203 second carrier signal coupling module
204 band-pass carrier signal filtering module.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the invention, are given by way of illustration and explanation only, not limitation.
Fig. 2 is a schematic structural diagram of a circuit breaker apparatus according to an embodiment of the present invention. As shown in fig. 2, the circuit breaker apparatus is connected to at least one electric device, and the apparatus includes: the system comprises an electric equipment control module 101, a low-pass noise suppression module 102 and a band-pass carrier signal transmission module 103, wherein the electric equipment control module 101 is used for controlling the disconnection or connection of the electric equipment; the low-pass noise suppression module 102 is connected to the electric device control module 101, and is configured to suppress noise generated by operation and change of the electric device; the band-pass carrier signal transmission module 103 is connected in parallel with the electrical equipment control module 101 and the low-pass noise suppression module 102, and is configured to provide a carrier communication channel for carrier communication reporting when the at least one electrical equipment is in normal operation and power failure.
The typical application scene of the low-voltage power line carrier communication system is a low-voltage power distribution and utilization user electricity information acquisition system taking a power distribution station as a unit, the acquisition system acquires the electricity utilization information of a user through a power line carrier communication technology, and can also carry out electricity charge assignment and load control on the electricity utilization of the user through power line carrier communication, and meanwhile, the power can be naturally supplied through a power line. The user indoor has various high-power electric equipment, such as a water heater, a microwave oven, a range hood, an air conditioner, a washing machine and the like. The electric energy meter can collect the electricity utilization information of the electricity utilization equipment.
The electric equipment control module 101 is connected with the intelligent electric meter in a wired or wireless mode, for example, RS485 and low-power Bluetooth are adopted, and electric equipment is controlled by the control signal output by the intelligent electric meter, so that the electric equipment is cut off or connected. When the power supply is disconnected, the power consumers are in a power failure state. The embodiment of the invention also provides a low-pass noise suppression module 102 connected with the electric equipment control module 101, wherein the low-pass noise suppression module 102 is a noise suppression module with low-pass filtering characteristics, and can suppress most of interference signals except the power frequency current so as to suppress noise generated by the change of the electric equipment.
When the electric equipment control module 101 disconnects the electric equipment, the electric equipment is in a power failure state, and at this time, the channel of the carrier communication of the electric equipment is also disconnected, so that the electric information and the failure information cannot be obtained. Therefore, the invention also provides a band-pass carrier signal transmission module 103, which can also be a band-pass carrier communication module, and the band-pass carrier signal transmission module 103, i.e. a module with a band-pass filtering characteristic and a carrier communication function, can provide a carrier communication channel for carrier communication reporting. Even when the electric equipment control module 101 cuts off the electric equipment, the electric information and the fault information can be reported through the carrier communication channel formed by the band-pass carrier signal transmission module 103.
Fig. 3 is a schematic structural diagram of a circuit breaker apparatus according to another embodiment of the present invention. As shown in fig. 3, the apparatus further includes: and an impedance matching module 104 connected between the electric device control module 101 and the low-pass noise suppression module 102, and configured to adapt impedance for a carrier signal. The impedance matching module 104 can reduce the influence of the electric equipment change on the carrier communication signal and provide adaptive impedance for the high-frequency signal.
Fig. 4 is a schematic structural diagram of a circuit breaker apparatus according to another embodiment of the present invention. As shown in fig. 4, the band-pass carrier signal transmission module 103 includes: the system comprises a first carrier signal coupling module 202, a second carrier signal coupling module 203 and a band-pass carrier signal filtering module 204, wherein the first carrier signal coupling module 202 and the second carrier signal coupling module 203 are respectively bridged at two ends of a structure formed by the electric equipment control module 101 and the low-pass noise suppression module 102, and the band-pass carrier signal filtering module 204 is connected between the first carrier signal coupling module 202 and the second carrier signal coupling module 203.
The carrier communication channel formed by the band-pass carrier signal transmission module 103 has a band-pass characteristic that satisfies the passing of the carrier signal. The band-pass carrier signal filtering module 204 has symmetrical filtering characteristics, i.e. the left and right ends have the same filtering characteristics through the filtering module. The band-pass carrier signal transmission module 103 can be used as a link channel between the user indoor electric equipment carrier communication unit and the outdoor carrier communication network, and meanwhile, even if the user uses some improper means (for example, stopping reporting through a power line) to steal electricity, the smart meter can obtain electricity utilization information from the carrier communication channel formed by the band-pass carrier signal transmission module 103, so that channel support is provided for monitoring and preventing remote electricity stealing.
Fig. 5 is a schematic structural diagram of a circuit breaker apparatus according to another embodiment of the present invention. As shown in figure 5 of the drawings,
the electric device control module 101 includes: the electric equipment controller is used for controlling the switch to be opened or closed so as to cut off or connect the electric equipment.
The low-pass noise suppression module 102 comprises: an inductor disposed in the live line and a capacitor connected across the live and neutral lines.
In the embodiment of the present invention, the low-pass noise suppression module 102 and the impedance matching module 104 may be integrated, and jointly comprise a ferrite magnetic ring, an inductor, and a high-voltage safety capacitor. In the low-pass noise suppression module 102, a power supply alternating current lead is an inductance lead, passes through a magnetic ring to wind a low-pass filter inductor, the parameter is generally between 2 and 3 turns, the inductance is basically within 0.1mh, and the transmission of electric energy is not influenced; the inductance of the impedance matching module 104 is wound on the same magnetic ring by adopting a power supply lead, and the inductance is 1 or 3-1 or 2 of the inductance of the primary side.
The band-pass carrier signal filtering module 204 is a band-pass filter composed of a plurality of capacitors and a plurality of inductors, and the present invention provides a specific structure composed of a plurality of capacitors and a plurality of inductors, as shown in fig. 4, but is not limited thereto.
The first carrier signal coupling module 202 and the second carrier signal coupling module 203 each include: and the capacitors are respectively connected with the zero line and the live line. In the embodiment of the present invention, the first carrier signal coupling module 202 may be composed of buck safety capacitors C1 and C2, and the second carrier signal coupling module 203 may be composed of buck safety capacitors C3 and C4, which are respectively connected in parallel to the AC incoming line and the AC outgoing line.
It can be understood that the electric device control module 101, the low-pass noise suppression module 102, the impedance matching module 104, and the like are all passive components, and no external power supply is needed, and no high-speed carrier communication element is additionally arranged; the breaker device is replaced after the user electricity consumption metering ammeter with strong noise of the power grid is fed into the power distribution station area, so that the impedance change of the operation and the turn-off of the user electricity consumption equipment metered by the intelligent ammeter and the influence of the generated noise on the power distribution network can be inhibited, and the stability and the reliability of the power line carrier communication network are improved; meanwhile, the band-pass filter provides an external carrier channel for indoor intelligent power utilization information acquisition, and power utilization information and power utilization habits of users can be effectively monitored.
Fig. 6 is a schematic structural diagram of a power distribution substation communication system according to an embodiment of the present invention. As shown in fig. 6, the system includes: the circuit breaker apparatus described above; at least one consumer connected to the circuit breaker device; the electric energy meter is connected with the circuit breaker device and used for communicating with the at least one electric device and recording the electricity utilization information of the at least one electric device; the concentrator is connected with the at least one electric energy meter and used for collecting data of the at least one electric energy meter and communicating with the at least one electric device. The circuit breaker device can directly replace a circuit breaker behind a current conventional electric energy meter.
Fig. 7 is a schematic diagram of a frequency domain effect of a circuit breaker apparatus according to an embodiment of the invention. As shown in fig. 7, after the circuit breaker apparatus of the present invention performs noise filtering, noise in other frequency bands, except for the power frequency band and the carrier communication band, is suppressed. The circuit breaker device achieves a good noise filtering effect, and does not affect a power frequency band and a carrier communication frequency band.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting the protection scope thereof, and although the present invention has been described in detail with reference to the above-mentioned embodiments, those skilled in the art should understand that after reading the present invention, they can make various changes, modifications or equivalents to the specific embodiments of the present invention, but these changes, modifications or equivalents are within the protection scope of the appended claims.
Claims (10)
1. A circuit breaker apparatus for connection to at least one electrical device, the apparatus comprising:
the system comprises an electric equipment control module, a low-pass noise suppression module and a band-pass carrier signal transmission module, wherein,
the electric equipment control module is used for controlling the disconnection or connection of the electric equipment;
the low-pass noise suppression module is connected with the electric equipment control module and is used for suppressing noise generated by operation and change of the electric equipment;
the band-pass carrier signal transmission module is connected in parallel with the electric equipment control module and the low-pass noise suppression module and is used for providing a carrier communication channel to carry out carrier communication reporting when the at least one electric equipment is in normal operation and power failure.
2. The circuit breaker apparatus of claim 1, wherein the band-pass carrier signal transmission module comprises:
a first carrier signal coupling module, a second carrier signal coupling module and a band-pass carrier signal filtering module, wherein,
the first carrier signal coupling module and the second carrier signal coupling module are respectively bridged at two ends of a structure formed by the electric equipment control module and the low-pass noise suppression module, and the band-pass carrier signal filtering module is connected between the first carrier signal coupling module and the second carrier signal coupling module.
3. The circuit breaker apparatus of claim 1, wherein the powered device control module comprises:
the electric equipment controller is used for controlling the switch to be opened or closed so as to cut off or connect the electric equipment.
4. The circuit breaker apparatus of claim 1, wherein the low pass noise suppression module comprises:
an inductor disposed in the live line and a capacitor connected across the live and neutral lines.
5. The circuit breaker apparatus of claim 2 wherein the band pass carrier signal filtering module is a band pass filter comprised of a plurality of capacitors and a plurality of inductors.
6. The circuit breaker apparatus of claim 2, wherein the first carrier signal coupling module and the second carrier signal coupling module each comprise:
and the capacitors are respectively connected with the zero line and the live line.
7. The circuit breaker apparatus of claim 1, further comprising:
and the impedance matching module is connected between the electric equipment control module and the low-pass noise suppression module and is used for adapting impedance for the carrier signal.
8. The circuit breaker apparatus of claim 7 wherein the low pass noise suppression module and the impedance matching module comprise inductors formed by winding electrical conductors around the same high frequency magnetic loop.
9. The circuit breaker apparatus of claim 1, wherein the electric equipment control module is connected with a smart meter through a wire or a wireless connection, and the electric equipment control is performed by a control signal output by the smart meter.
10. A power distribution block communication system, the system comprising:
the circuit breaker apparatus of any one of claims 1-9;
at least one consumer connected to the circuit breaker device;
the electric energy meter is connected with the circuit breaker device and used for communicating with the at least one electric device and recording the electricity utilization information of the at least one electric device;
the concentrator is connected with the at least one electric energy meter and used for collecting data of the at least one electric energy meter and communicating with the at least one electric device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111054929.9A CN113507299B (en) | 2021-09-09 | 2021-09-09 | Circuit breaker device and distribution station communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111054929.9A CN113507299B (en) | 2021-09-09 | 2021-09-09 | Circuit breaker device and distribution station communication system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113507299A CN113507299A (en) | 2021-10-15 |
| CN113507299B true CN113507299B (en) | 2022-01-18 |
Family
ID=78016809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111054929.9A Active CN113507299B (en) | 2021-09-09 | 2021-09-09 | Circuit breaker device and distribution station communication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113507299B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101373991A (en) * | 2007-08-21 | 2009-02-25 | 黄礼丰 | Power line household communications network system |
| CN106921165A (en) * | 2015-12-24 | 2017-07-04 | 国家电网公司 | A kind of intelligent power distribution station area |
| CN111917188A (en) * | 2020-08-11 | 2020-11-10 | 南方电网数字电网研究院有限公司 | Power distribution station monitoring device, power distribution station topology identification system and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9876438B2 (en) * | 2015-03-19 | 2018-01-23 | Mitsubishi Electric Corporation | Converter unit system having inrush-current suppression circuit |
-
2021
- 2021-09-09 CN CN202111054929.9A patent/CN113507299B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101373991A (en) * | 2007-08-21 | 2009-02-25 | 黄礼丰 | Power line household communications network system |
| CN106921165A (en) * | 2015-12-24 | 2017-07-04 | 国家电网公司 | A kind of intelligent power distribution station area |
| CN111917188A (en) * | 2020-08-11 | 2020-11-10 | 南方电网数字电网研究院有限公司 | Power distribution station monitoring device, power distribution station topology identification system and method |
Non-Patent Citations (1)
| Title |
|---|
| 智能低压断路器的研发及应用;韩雨等;《电气时代》;20200510(第05期);第22-24页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113507299A (en) | 2021-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9614364B2 (en) | Detection system and detection method of distributed generation islanding based on power frequency carrier | |
| EP3506516B1 (en) | Variable impedance circuit | |
| JP2010531599A (en) | Distribution power line communication system | |
| CN201639255U (en) | Power distribution system using filtering trap circuit for providing arc-fault tripping coordination system and electric switch equipment | |
| CN102904264A (en) | High-voltage reactive power automatic compensation device | |
| CN103149492B (en) | Micro-grid short circuit fault diagnose method based on intelligent electric meter | |
| CN102842967B (en) | Power transmission line self-power collecting device | |
| Cataliotti et al. | Simulation of a power line communication system in medium and low voltage distribution networks | |
| CN113507299B (en) | Circuit breaker device and distribution station communication system | |
| CN108923823B (en) | System capable of inhibiting power carrier signal attenuation | |
| CN205583704U (en) | Not balancing control system of change secondary side is joined in marriage in low district of presenting a theatrical performance as last item on a programme | |
| CN201956675U (en) | Distributed generation island detection system based on power-frequency carrier | |
| CN106972631A (en) | Integrated vacuum circuit breaker | |
| CN106685483B (en) | System for coupling power distribution station broadband power line carrier zero line | |
| Amuta et al. | Power line carrier technologies: a review | |
| Bhoyar et al. | Review on implementation of power line carrier communication technique in smart grid | |
| CN203562757U (en) | Series reactor protection device | |
| CN210609172U (en) | Three-phase coupling circuit for carrier communication of power grid system | |
| CN107276416A (en) | Switch power supply equipment and system | |
| KR100928214B1 (en) | Earth leakage circuit breaker for power line communication and its method | |
| CN202930939U (en) | Intelligent type three phase electricity-saving appliance | |
| CN207053400U (en) | Switch power supply equipment and system | |
| CN107592139B (en) | Method for inhibiting power carrier signal attenuation | |
| Kikkert | Coupling | |
| CN215990200U (en) | Flexible direct current transmission system based on novel high-temperature superconducting current limiter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |