CN106230111A - A kind of method utilizing power line carrier monitoring power information - Google Patents
A kind of method utilizing power line carrier monitoring power information Download PDFInfo
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- CN106230111A CN106230111A CN201610185971.7A CN201610185971A CN106230111A CN 106230111 A CN106230111 A CN 106230111A CN 201610185971 A CN201610185971 A CN 201610185971A CN 106230111 A CN106230111 A CN 106230111A
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- signal
- module
- line carrier
- power line
- power information
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Classifications
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- 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
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
-
- 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
-
- 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
- Y04S40/126—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 wireless data transmission
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The present invention relates to a kind of method utilizing power line carrier monitoring power information, including step: (1) concentrator signal is sent to signal transit module by serial ports interconnecting module；(2) the signal received is sent to signal forwarding module by the way of power line carrier by signal transit module；(3) the signal received is sent to main website terminal unit by wireless communication port by signal forwarding module；(4) main website terminal unit is according to the power information monitoring power equipment received.The present invention uses power line carrier to replace GPRS signal transmitted data signal, effectively strengthens the signal intensity of concentrator, it is ensured that concentrator is stably online, makes antenna be extended by electric lines of force, and need not lay antenna cables.
Description
Technical field
The present invention relates to a kind of power information monitoring method, utilize power line carrier to monitor power information particularly to one
Method, belong to electric apparatus monitoring field.
Background technology
In recent years, national grid is just carrying forward vigorously power information collection construction, it is proposed that collecting work " entirely gathers, entirely covers
Lid, control in full " target.Additionally, line loss becomes more meticulous, the coverage rate of work Ye Duitai district summary table, collection success rate propose very
High requirement.But along with going deep into of power information collecting work, owing to part concentrator is arranged in basement or corridor, GPRS
Jitter, causes this part platform district to check meter success rate fluctuation, the poor stability or do not reach the standard grade of reaching the standard grade, thus causes collection to lose
Lose, have a strong impact on daily data collection task.And scene is owing to being limited by equipment itself and environment, it has not been convenient to by adding
The forms of construction work such as long holding wire, displacement solve.At present, the method solving concentrator signal problem has multiple, and starting point is different, effect
Fruit is also not quite similar.Specifically: one, install long antenna, this method low price additional, but signal is with antenna length increase
Decay increases, needs drilling construction；Its two, data feedback channel is changed into fiber optic network by GPRS, this method signal stabilization, but gathers
Synchronized construction optical-fibre channel is needed, it is impossible to the later stage builds during construction；Its three, concentrator is displaced to signal good area, this method
Simple and convenient, but run into cannot shift or shift need to change direct-connected for the situation of the connected mode of carrier wave time, operating process is loaded down with trivial details.
The concentrator installed in weak output signal area at present commonly uses extended type antenna, and the signal attenuation of its incoming terminal is very big, effect
The most extremely limited.
Summary of the invention
The present invention utilizes the method for power line carrier monitoring power information to disclose new scheme, uses power line carrier generation
Extend the transmission range of electric power signal for wireless signal, the stability of transmission data is greatly improved, solves existing electric power
The problem of line carrier wave concentrator jitter.
The present invention utilizes the method for power line carrier monitoring power information to include step: (1) concentrator signal is passed through serial ports
Interconnecting module is sent to signal transit module；(2) signal transmission by the way of power line carrier that signal transit module will receive
To signal forwarding module；(3) the signal received is sent to main website terminal unit by wireless communication port by signal forwarding module；
(4) main website terminal unit is according to the power information monitoring power equipment received.
The present invention utilizes the method for power line carrier monitoring power information to use power line carrier to replace the transmission of GPRS signal
Data signal, effectively strengthens the signal intensity of concentrator, it is ensured that concentrator is stably online, makes antenna be extended by electric lines of force,
And need not lay antenna cables.
Accompanying drawing explanation
Fig. 1 is the principle sketch of existing monitoring power information method.
Fig. 2 is the principle sketch that the present invention utilizes power line carrier monitoring power information method.
Fig. 3 is the principle schematic of a kind of specific implementation of the inventive method.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As it is shown in figure 1, the method for existing monitoring power information, mainly remote by be arranged within power concentrator
Journey wireless communication module directly obtains the information of power concentrator and is sent to the scheme of main website terminal, and this scheme is covered at signal
Cover the second best in quality in the case of be feasible, it is possible to realize main website log in and normally monitor, but bad at signal covering quality
Area and environment under will produce signal weak cannot the problem of proper communication, the installation site of such as concentrator is in underground
Indoor, signal shielding district or other remote districts etc., ultimately resulting in power information gathers unsuccessfully, affects the realization of whole monitoring.
In order to solve this problem, this programme uses the pattern checked meter of power line carrier according to concentrator and intelligent electric meter 485 port
Obtaining and inspire, carrier signal is equivalent to a kind of prolongation of 485 lines by power line transmission, and same GPRS signal data can also
Transmitted by power line carrier, reach the effect that antenna is extended by electric lines of force, and need not lay antenna cables.
As in figure 2 it is shown, the method that this programme utilizes power line carrier monitoring power information, mainly at remote radio communication
It is additionally arranged the signal extension fixture utilizing power line carrier principle between module and power concentrator, wireless communication module is moved to letter
Number cover good position, thus ensure the quality of wireless signal, it is achieved the normal acquisition of power information and monitoring.In order to realize
Above-mentioned technical purpose, this programme discloses following methods step and realizes a kind of concrete mode of the method, as shown in Figure 3.
(1) concentrator signal is sent to signal transit module by serial ports interconnecting module.
The serial ports interconnecting module of this programme is one and receives the device transmitting concentrator signal, and the electric power signal of concentrator leads to
Cross serial ports interconnecting module and be sent to signal transit module (from module), its concrete connected mode can to select in the way of holding wire,
RS232 port is i.e. used to connect serial ports interconnecting module and signal transit module.In order to preferably realize the merit of serial ports interconnecting module
Can, it is ensured that the normal transmission of signal of communication, it is simple to site operation personnel grasps the duty of equipment, and serial ports is transferred by this programme
Module is packaged in totally-enclosed shielding shell, totally-enclosed shielding outer surface of outer cover is arranged power supply indicator and signal transmission/
Codan lamp, shows the duty of serial ports interconnecting module in real time.Above method can be realized by equipment in detail below, i.e.
Serial ports interconnecting module device includes totally-enclosed shielding shell and the serial ports interconnecting module being located in above-mentioned totally-enclosed shielding shell, string
Mouth interconnecting module includes that signal transmission/receiver module and power module, totally-enclosed shielding outer surface of outer cover are provided with power supply instruction
Lamp and signal transmission/codan lamp, the duty of power supply indicator instruction power module, signal transmission/codan lamp
The duty of indication signal transmission/receiver module.Wherein, totally-enclosed shielding shell provides good communication environment, power supply
Display lamp and signal transmission/codan lamp are then that the detection work of execute-in-place commissioning staff is provided convenience.
The signal transit module (from module) one of this programme accepts serial ports interconnecting module and signal forwarding module (main mould
Block) device, between signal transit module with signal forwarding module use electric lines of force be connected.In order to preferably realize revolving die in signal
The function of block, it is ensured that the normal transmission of signal of communication, it is simple to site operation personnel grasps the duty of equipment, this programme will letter
Number transit module is packaged in totally-enclosed shielding shell, arranges power supply indicator and signal on totally-enclosed shielding outer surface of outer cover
Transmission/codan lamp, shows the duty of signal transit module in real time.Above method can be real by equipment in detail below
Existing, i.e. signal transit module (from module) device includes totally-enclosed shielding shell and the letter being located in above-mentioned totally-enclosed shielding shell
Number transit module, signal transit module includes power module, carrier signal transceiver module and rs 232 serial interface signal transceiver module, totally-enclosed
Shielding outer surface of outer cover is provided with power supply indicator, carrier signal transmitting-receiving display lamp and rs 232 serial interface signal transmitting-receiving display lamp, and power supply refers to
Showing the duty of lamp instruction power module, carrier signal receives and dispatches the duty of display lamp indication carrier wave signal transmitting and receiving module,
The duty of rs 232 serial interface signal transmitting-receiving display lamp instruction rs 232 serial interface signal transceiver module.Signal transit module device is by serial ports and turns
Die change block connects, and is placed in by concentrator, and its major function is the communication switching with concentrator, and data are passed through carrier system
Pass to signal forwarding module (primary module) device.
(2) the signal received is sent to signal forwarding module by the way of power line carrier by signal transit module.
Power line carrier Power Line Carrier (PLC) communication is to utilize electric lines of force to carry out as information transmitting medium
A kind of communication mode of signal transmission.Power line carrier (PLC) is the distinctive communication mode of power system, power line carrier communication
Refer to utilize existing electric lines of force, by carrier system, analog or digital signal is carried out the technology of high-speed transfer, its maximum feature
It is to need not again set up network, as long as live wire, just can carry out data transmission.The power line carrier communication of application is main at present
There are distribution line carrier and low-voltage distribution wire carrier wave two kinds, specific to this programme i.e. signal transit module by the signal received by joining
The mode of power line carrier is sent to signal forwarding module, or, the signal received is passed through low-voltage distribution wire by signal transit module
The mode of carrier wave is sent to signal forwarding module.DLC communication cost performance is high, is widely used in distribution network monitoring, remote
Journey meter reading and load control system.Power distribution lines carrier is divided into ripple control and industrial frequency control two kinds, and ripple control technology is mainly applied
In one-way communication, industrial frequency control technology is two-way communication, and equipment is simple, and Installed capital cost is low, and communication efficiency is more
Good.On the premise of ensureing equipment operating environment (shielding various electromagnetic interference), low-voltage distribution line carrier communication also has extensively
Application prospect.
The signal forwarding module (primary module) of this programme is one and receives carrier signal, and transmits the dress of long-range communication signal
Putting, electric power signal uses the form of power line carrier to send signal forwarding module to by signal transit module (from module), then
The wireless communication module arranged by signal forwarding module is sent to backstage main website terminal unit.In order to preferably realize in signal
The function of revolving die block, it is ensured that the normal transmission of signal of communication, it is simple to site operation personnel grasps the duty of equipment, this programme
Signal forwarding module is packaged in totally-enclosed shielding shell, totally-enclosed shielding outer surface of outer cover is arranged power supply indicator and
Signal transmission/codan lamp, shows the duty of signal forwarding module in real time.Above method can be by setting in detail below
Standby realization, i.e. signal forwarding module (primary module) device include totally-enclosed shielding shell and are located in above-mentioned totally-enclosed shielding shell
Signal forwarding module, signal forwarding module include power module, carrier signal transceiver module, rs 232 serial interface signal transceiver module and
GPRS communication module, totally-enclosed shielding outer surface of outer cover is provided with power supply indicator, carrier signal transmitting-receiving display lamp, rs 232 serial interface signal
Transmitting-receiving display lamp communicate with GPRS display lamp, the duty of power supply indicator instruction power module, and carrier signal transmitting-receiving indicates
The duty of lamp indication carrier wave signal transmitting and receiving module, the work of rs 232 serial interface signal transmitting-receiving display lamp instruction rs 232 serial interface signal transceiver module
State, the duty of GPRS communication display lamp instruction GPRS communication module.
(3) the signal received is sent to main website terminal unit by wireless communication port by signal forwarding module.
The wireless communication port of this programme can use GPRS port or CDMA port.GPRS(General Packet
Radio Service) i.e. GPRS is a kind of wireless, packet-switched technology based on gsm system, it is provided that end arrives
End, wide area wireless IP connects.Generally, GPRS is the technology that a high-speed data processes, and method is with the shape of packet
Formula transmits data to user on hand.GPRS is by utilizing untapped TDMA channel in GSM network, it is provided that the data of middling speed pass
Pass.GPRS breaches GSM net can only provide Circuit-switched mode of thinking, only by increasing corresponding functional entity and to existing
Base station system carry out part transformation and realize packet switch, user data rate promotes considerable.And connect and transmission
Capital is more convenient easily.CDMA (Code Division Multiple Access) i.e. CDMA, it is in spread spectrum communication skill
A kind of wireless communication technology grown up in art.CDMA technology, based on spread spectrum, has certain signal band by need to transmit
Wide information data is modulated much larger than the high speed pseudo noise code of signal bandwidth by a bandwidth, makes the bandwidth quilt of former data signal
Extension, more carrier-modulated and send.CDMA is a kind of multi-channel approach, and multiple signals only take up a channel, greatly carry
High bandwidth utilization rate, has the spies such as availability of frequency spectrum height, strong security, cutting off rate is low, electromagnetic radiation is little, capacity is big, covering is wide
Point, can reduce investment in a large number and cut operating costs.
The signal forwarding module (primary module) of this programme is connected with former concentrator GPRS module by serial ports, passes through electric lines of force
Carrier communication mode carries out data transmission with signal transit module (from module), and in order to improve the quality of wireless signal, signal turns
Send out module and can be selectively mounted to the position that outdoor same district's signal covering is good, distance will be arranged on by signal forwarding module
Same of outdoor beyond concentrator 500m district's signal covers good locations.
The main communication interfaces of this programme signal forwarding module (primary module) see table.
(4) main website terminal unit is according to the power information monitoring power equipment received.
Fig. 3 shows a kind of concrete mode realizing this programme method.Wherein, overall plan includes signal forwarding module
(primary module) device, signal transit module (from module) device and serial ports interconnecting module device, serial ports interconnecting module device and collection
Middle device communicates to connect, and serial ports interconnecting module device communicates to connect with signal transit module device, signal transit module device and letter
Number forwarding module device forms separate type telecommunication by power line carrier and connects, and signal forwarding module device is provided with GPRS and leads to
Letter module, GPRS communication module is connected with main website terminal equipment in communication.Serial ports interconnecting module be arranged on the right side of concentrator replace former
The GPRS communication module come, signal transit module (from module) is arranged on concentrator side, is transferred with serial ports by serial port connecting wire
Module connects, and concentrator data and Interface status are given to signal forwarding module (primary module).Signal forwarding module is arranged on same
One district's signal relatively benefit, is arranged on signal forwarding module respective socket the GPRS communication module originally pulled up from concentrator
On, carry out data remote transmission by low voltage power line carrier between signal forwarding module, signal transit module, thus reduce
Construction and installation workload.Telepak can use the communication modules such as GPRS, CDMA, PSTN, and supports to change EPON, medium voltage electricity
The communication modules such as line carrier wave.Communication plan based on above-mentioned improvement, this programme brings techniques below effect: (1) with high performance-price ratio
Mode, effectively solves to use signal blind zone in GPRS wireless public network transmission means power information at present, without the covering of GPRS signal, letter
The situations such as number instability.Compatibility includes other communication patterns such as CDMA simultaneously；(2) solve basement application, use in gain antenna
Extended distance is not more than the situation of 15m, makes covering part air line distance not less than 500m；(3) solve the biography of small wireless mode
Defeated latency issue；(4), simultaneously compared with GPRS holding wire extension system, it uses spare part in common use and connection member, its cost performance
With the obvious advantage, reliability is higher；(5) result of practical application shows, this device can guarantee that the power information collection of concentrator and main website
Success rate reaches 99%；(6) produced problem during concentrator GPRS signal extender solves basement application, it is achieved that the least
Extend in the signals of 500 meters, it is adaptable to outlying no signal area, and the power information collection of jitter region, make confession
Electricity company reduce copy and accept cost and in remotely monitoring produced problem, improve working performance.
Electrical equipment, circuit, module and the electronic devices and components related in such scheme, in addition to special instruction, realize according to it
Concrete function can select design generally in the art and scheme, it is also possible to select according to actual needs other design and side
Case.
Based on above-mentioned design and scheme, the concentrator GPRS signal extender of this programme has reached following performance indications.
(1) running voltage, frequency
Primary module: AC130V～AC380V 50Hz
From module: AC130V～AC380V 50Hz
(2) working environment
Operating temperature-40 DEG C～85 DEG C
Storage and transport temperature-40 DEG C～70 DEG C
Storage and working relative humidity≤95%
(3) technical parameter
Test effect after this programme method is reequiped see table.
At present after the multiple areas having tested installation use this programme method to reequip, properly functioning several weeks, adopt
Collection main station monitoring is stably online, gathers success rate and maintains more than 99%.According to on-the-spot using effect, after the method is reequiped,
Preferable for outdoor signal can be extended to general concentrator side by equipment, makes concentrator stably reach the standard grade, collection data is uploaded to
Main website, completes electric energy information collection.This programme utilizes the method for power line carrier monitoring power information with other to promote
GPRS mode gathers the scheme of signal intensity and compares, reliability height and low cost, solves under various no signal overlay area
Main website and concentrator communication, issue the problem performing to break down in command procedure, there is prominent substantive distinguishing features and notable
Progress.
This programme utilizes the method for power line carrier monitoring power information to be not limited to detailed description of the invention disclosure,
Its operating procedure comprised, on the premise of not violating technical specification and principle, can carry out suitable suitable for optimizing operation sequence
Sequence is exchanged, and those skilled in the art combine, according to this programme, the simple alternative that common knowledge makes and fall within the model of this programme
Enclose.
Claims (9)
1. the method utilizing power line carrier monitoring power information, is characterized in that including step:
(1) concentrator signal is sent to signal transit module by serial ports interconnecting module；
(2) the signal received is sent to signal forwarding module by the way of power line carrier by signal transit module；
(3) the signal received is sent to main website terminal unit by wireless communication port by signal forwarding module；
(4) main website terminal unit is according to the power information monitoring power equipment received.
The method utilizing power line carrier monitoring power information the most according to claim 1, it is characterised in that step is (2)
In, the signal received is sent to signal forwarding module by the way of distribution line carrier by signal transit module.
The method utilizing power line carrier monitoring power information the most according to claim 1, it is characterised in that in step (2)
In, the signal received is sent to signal forwarding module by the way of low-voltage distribution wire carrier wave by signal transit module.
The method utilizing power line carrier monitoring power information the most according to any one of claim 1 to 3, its feature exists
In, use RS232 port to connect serial ports interconnecting module and signal transit module.
The method utilizing power line carrier monitoring power information the most according to any one of claim 1 to 3, its feature exists
In, wireless communication port uses GPRS port or CDMA port.
The method utilizing power line carrier monitoring power information the most according to any one of claim 1 to 3, its feature exists
In, signal forwarding module is arranged on same of the outdoor district's signal beyond distance concentrator 500m and covers good locations.
The method utilizing power line carrier monitoring power information the most according to any one of claim 1 to 3, its feature exists
In, serial ports interconnecting module is packaged in totally-enclosed shielding shell, totally-enclosed shielding outer surface of outer cover arranges power supply instruction
Lamp and signal transmission/codan lamp, show the duty of serial ports interconnecting module in real time.
The method utilizing power line carrier monitoring power information the most according to any one of claim 1 to 3, its feature exists
In, signal transit module is packaged in totally-enclosed shielding shell, totally-enclosed shielding outer surface of outer cover arranges power supply instruction
Lamp and signal transmission/codan lamp, show the duty of signal transit module in real time.
The method utilizing power line carrier monitoring power information the most according to any one of claim 1 to 3, its feature exists
In, signal forwarding module is packaged in totally-enclosed shielding shell, totally-enclosed shielding outer surface of outer cover arranges power supply instruction
Lamp and signal transmission/codan lamp, show the duty of signal forwarding module in real time.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185971.7A CN106230111A (en) | 2016-03-29 | 2016-03-29 | A kind of method utilizing power line carrier monitoring power information |
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| CN201610185971.7A CN106230111A (en) | 2016-03-29 | 2016-03-29 | A kind of method utilizing power line carrier monitoring power information |
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| CN201610185971.7A Pending CN106230111A (en) | 2016-03-29 | 2016-03-29 | A kind of method utilizing power line carrier monitoring power information |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788659A (en) * | 2016-12-27 | 2017-05-31 | 广州供电局有限公司 | Power distribution automation wireless public network signal enhancing device and distribution terminal equipment |
| CN107293105A (en) * | 2017-08-14 | 2017-10-24 | 国家电网公司 | Turn the remote data transmission system of GPRS module based on carrier wave |
| CN108122400A (en) * | 2017-12-14 | 2018-06-05 | 国家电网公司 | A kind of power information collection communicating system |
| CN109348313A (en) * | 2018-11-15 | 2019-02-15 | 重庆世纪之光科技实业有限公司 | Power information acquisition system and its data communications method based on plastic optical fiber |
| CN109474673A (en) * | 2018-10-26 | 2019-03-15 | 云南电网有限责任公司昭通供电局 | It is a kind of to hinder the power distribution network of communication to monitor communication system with underground barrier-free |
| CN110689711A (en) * | 2019-10-29 | 2020-01-14 | 广州供电局有限公司 | Method and system for switching wireless public network signals by using low-voltage power line |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106788659A (en) * | 2016-12-27 | 2017-05-31 | 广州供电局有限公司 | Power distribution automation wireless public network signal enhancing device and distribution terminal equipment |
| CN107293105A (en) * | 2017-08-14 | 2017-10-24 | 国家电网公司 | Turn the remote data transmission system of GPRS module based on carrier wave |
| CN108122400A (en) * | 2017-12-14 | 2018-06-05 | 国家电网公司 | A kind of power information collection communicating system |
| CN109474673A (en) * | 2018-10-26 | 2019-03-15 | 云南电网有限责任公司昭通供电局 | It is a kind of to hinder the power distribution network of communication to monitor communication system with underground barrier-free |
| CN109348313A (en) * | 2018-11-15 | 2019-02-15 | 重庆世纪之光科技实业有限公司 | Power information acquisition system and its data communications method based on plastic optical fiber |
| CN110689711A (en) * | 2019-10-29 | 2020-01-14 | 广州供电局有限公司 | Method and system for switching wireless public network signals by using low-voltage power line |
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