CN107181322A - A kind of Electrical Safety control system and method based on broadband power line carrier - Google Patents
A kind of Electrical Safety control system and method based on broadband power line carrier Download PDFInfo
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- CN107181322A CN107181322A CN201710504916.4A CN201710504916A CN107181322A CN 107181322 A CN107181322 A CN 107181322A CN 201710504916 A CN201710504916 A CN 201710504916A CN 107181322 A CN107181322 A CN 107181322A
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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
- H02J13/00001—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 the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- 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 invention discloses a kind of Electrical Safety control system and method based on broadband power line carrier.Electrical Safety control system based on broadband power line carrier includes Electrical Safety control centre module and the user interface device and at least one terminal control module that are connected respectively with Electrical Safety control centre module；It is main road that Electrical Safety control centre module, which is used for installed in indoor power supply bus, and terminal control module is used to be arranged on power supply terminal interface, and the terminated line where power supply terminal interface is connected with main road.The present invention also designs a kind of Electrical Safety control method based on broadband power line carrier.The present invention not only realizes the Electrical Safety control to whole circuit, and the security situation of circuit can also be judged according to actual ambient conditions, so as to make effective control measure.
Description
Technical field
The present invention relates to a kind of Electrical Safety control system, especially a kind of Electrical Safety based on broadband power line carrier
Control system, further relates to a kind of Electrical Safety control method based on the system.
Background technology
In real life, the Electrical Safety such as fire problem is that power is excessive, the improper operation of the excessively high electricity consumption of temperature is drawn mostly
Rise.
Electrical Safety control device of the prior art mainly has safeties and single power or current detecting dress
Put, have a disadvantage in that：(1) security control can only be carried out to a certain circuit, it is impossible to make overall planning, according to actual conditions to whole line
Road is controlled；(2) indoor circuit is in the temperature residing for different seasons and difference, additionally due to the aging of circuit, is used
The method such as single power or current detecting, fuse, it is impossible to judged and provided effectively according to actual ambient conditions
Control measure, safety coefficient is low, there is potential safety hazard.
The content of the invention
The present invention proposes a kind of Electrical Safety control system and method based on broadband power line carrier, the purpose is to：
(1) realize and the Electrical Safety of whole circuit is controlled；(2) security situation of circuit is sentenced according to actual ambient conditions
It is disconnected, so as to make effective control measure.
Technical solution of the present invention is as follows：
A kind of Electrical Safety control system based on broadband power line carrier, including Electrical Safety control centre module, with
And the user interface device and at least one terminal control module being connected respectively with Electrical Safety control centre module；
It is main road that Electrical Safety control centre module, which is used for installed in indoor power supply bus, and terminal control module is used to pacify
On power supply terminal interface, the terminated line where power supply terminal interface is connected with main road.
It is used as the further improvement of said system：Electrical Safety control centre module includes master controller, center and controlled
Device caching, central memory, first voltage detection module, the first current detection module, the first temperature detecting module and first
Carrier module；Master controller caching, central memory and first carrier module are connected with master controller respectively, the first electricity
Pressure detection module, the first current detection module and the first temperature detecting module are connected with master controller caching respectively；
User interface device is connected with master controller；
Terminal control module includes terminal control unit, terminal buffers, limit switch, terminal electricity interface, terminal and opened manually
Pass, terminal voltage detection module, terminal current detection module, terminal temperature detection module and terminal carrier module；Terminal is delayed
Deposit, limit switch, terminal electricity interface, terminal hand switch and terminal carrier module are connected with terminal control unit respectively, eventually
Terminal voltage detecting module, terminal current detection module and terminal temperature detection module are connected with terminal buffers respectively；Electricity consumption is pacified
The first carrier module of full control centre module and the terminal carrier module of terminal control module are connected by indoor power supply line.
It is used as the further improvement of said system：The first voltage detection module, the first current detection module and first
Temperature detecting module is respectively used to detect the voltage U of main road0, electric current I0 and main road cable Skin temperature T0, and number will be detected
Cached according to master controller is sent to, and then be delivered to master controller；
The terminal voltage detection module, terminal current detection module and terminal temperature detection module are respectively used to detection eventually
The voltage U of end linen, electric current InAnd terminated line cable sheath temperature Tn, and detection data are sent to terminal buffers, enter
And terminal control unit is delivered to, terminal control unit transfers data to center by terminal carrier module and first carrier module and controlled
Device processed；The Un、InAnd TnRepresent voltage, electric current and temperature data that n-th of terminal control module is detected；
The limit switch is used to be connected in terminated line with the break-make of control terminal circuit；
The terminal electricity interface is used to connect outside electric equipment；
The terminal hand switch is used to be connected in terminated line with the break-make of manually control terminal circuit.
It is used as the further improvement of said system：The master controller cycle collects U0、I0、T0And each terminal control
The U of modulen、InAnd Tn, and calculate W0=U0× I0 and each Wn=Un×In, and by W0、T0、WnAnd TnStore to central store
Device, master controller is according to W several times recently0、T0、WnAnd TnCorresponding relation structure between middle power data and temperature data
Make power temperature curve；
Master controller is monitored to power, by current main road power W0Substitute into power temperature curve solve pair
The temperature answered：When the temperature solved is more than default temperature threshold Tmax, alarm is sent, points out user to pass through user interface
Device control centre controller sends switch command to terminal control unit；
Master controller to terminal control unit before open command is sent, and first calculating main road after the terminated line is connected will
The estimated general power reached, and estimated general power substitution power temperature curve is solved into corresponding estimating temperature：Work as solution
When the estimating temperature gone out is more than Tmax, master controller sends prompting by user interface device.
It is used as the further improvement of said system：Master controller is also connected by wireless transmitter module and subscriber terminal equipment
Connect.
A kind of control method based on the above-mentioned Electrical Safety control system based on broadband power line carrier, including following step
Suddenly：
Step 1：Power threshold Wmax, temperature threshold Tmax, pressure drop threshold value Δ Umax are set；
Step 2：Control system performs monitoring：Electrical Safety control centre module monitors main road power W0, voltage U0And it is main
Route cable Skin temperature T0, the power W of each terminating circuit of terminal control module monitoringn, voltage WnAnd terminated line cable sheath
Temperature Tn, calculate the pressure drop Δ U=U between main road and each terminated line0-Un, when following condition meets any one, electricity consumption
Security control center module control user interface device sends alarm and goes to step 3：
1)W0More than or equal to Wmax,
2)T0More than or equal to Tmax,
3) Δ U is more than or equal to Δ Umax；
Meanwhile, the Electrical Safety control centre module cycle collects W0And T0And the W of each terminal control modulenWith
Tn, further according to W several times recently0、T0、Wn、TnCorresponding relation construction power temperature between middle power data and temperature data
Curve；
Step 3：User controls Electrical Safety control centre module to be sent to terminal control module by user interface device
Switch command with the break-make of control terminal circuit, Electrical Safety control centre module to terminal control module send open command it
Before, the estimated general power that main road is up to after the terminated line is connected first is calculated, and estimated general power is substituted into power temperature song
Line solves corresponding estimating temperature：When the estimating temperature solved is more than Tmax, Electrical Safety control centre module is led to
Cross user interface device and send prompting.
It is used as the further improvement of the above method：The execution of first pause step 2 when the step 3 is performed, when step 3 is performed
Step 2 is continued executing with when finishing.
It is used as the further improvement of the above method：Tmax setting range is 50-70 DEG C, and Δ Umax setting range is
10-30V。
Relative to prior art, the present invention has the positive effect that：(1) present invention includes Electrical Safety control centre mould
Block and at least one terminal control module, can be made overall planning to main road and terminated line, and electricity consumption is carried out to whole circuit
Security control；(2) voltage, electric current, temperature are monitored, build power temperature relationships, according to current power or following estimated
Performance number combination power temperature relationships carry out anticipation to temperature, so as to make effective safety control measures in time；(3) this hair
Bright equipment is based on broadband power line carrier communication, it is not necessary to individually set up connection line, and signal transmission is without worrying that wall is blocked；
(4) present invention builds power temperature relationships automatically according to nearest power temperature data, can avoid indoor and outdoor temperature change and
The error that electric wire aging action etc. is brought；(5) present invention is monitored simultaneously by electric current, voltage, temperature many kinds of parameters, maximum
It ensure that to limit the work safety of circuit.
Brief description of the drawings
Fig. 1 is structural representation of the present invention when terminal module quantity is two.
The structural representation of Fig. 2 present invention debugging terminals.
Embodiment
The following detailed description of technical scheme：
As shown in figure 1, a kind of Electrical Safety control system based on broadband power line carrier, including in Electrical Safety control
Core module and the user interface device and at least one terminal control mould being connected respectively with Electrical Safety control centre module
It is two terminal control modules in block, the present embodiment；
It is main road that Electrical Safety control centre module, which is used for installed in indoor power supply bus, and terminal control module is used to pacify
On power supply terminal interface, the terminated line where power supply terminal interface is connected with main road.The power supply terminal interface is
Wall jack or wall surface switch.
Electrical Safety control centre module includes master controller, master controller caching, central memory, first
Voltage detection module, the first current detection module, the first temperature detecting module and first carrier module；Master controller delays
Deposit, central memory and first carrier module are connected with master controller respectively, first voltage detection module, the inspection of the first electric current
Module and the first temperature detecting module is surveyed to be connected with master controller caching respectively；
User interface device is connected with master controller, for showing Electrical Safety control centre module working condition and end
The working condition of control module is held, is set and display control program running parameter.
Terminal control module includes terminal control unit, terminal buffers, limit switch, terminal electricity interface, terminal and opened manually
Pass, terminal voltage detection module, terminal current detection module, terminal temperature detection module and terminal carrier module；Terminal is delayed
Deposit, limit switch, terminal electricity interface, terminal hand switch and terminal carrier module are connected with terminal control unit respectively, eventually
Terminal voltage detecting module, terminal current detection module and terminal temperature detection module are connected with terminal buffers respectively；Electricity consumption is pacified
The first carrier module of full control centre module and the terminal carrier module of terminal control module are directly connected by indoor power supply line
Connect.
Power carrier communication is PLC, is English PoWer line CommUnicaTionAbbreviation.Power carrier is electric power
The distinctive communication mode of system, refers to using existing power line, analog or digital signal is carried out into high-speed transfer by carrier system
Technology, its maximum feature is need not to set up network again, as long as live wire, with regard to that can carry out data transfer.
Broadband power line carrier technology is compared with traditional narrow-band power line carrier technology simultaneously, with transmission rate more
Height, the characteristics of antijamming capability is stronger, it is ensured that the real-time and reliability of signal transmission.Relative to wireless communication technology, carry
Wave communication is without worrying that indoor wall stops that caused signal weakens, and the cost of PLC modulation /demodulation modules is also far below nothing
Wire module.
The first voltage detection module, the first current detection module and the first temperature detecting module are respectively used to detection master
The voltage U on road0, electric current I0 and main road cable Skin temperature T0, and detection data are sent to master controller caching, enter
And it is delivered to master controller；
The terminal voltage detection module, terminal current detection module and terminal temperature detection module are respectively used to detection eventually
The voltage U of end linen, electric current InAnd terminated line cable sheath temperature Tn, and detection data are sent to terminal buffers, enter
And terminal control unit is delivered to, terminal control unit transfers data to center by terminal carrier module and first carrier module and controlled
Device processed；The Un、InAnd TnRepresent voltage, electric current and temperature data that n-th of terminal control module is detected；
The limit switch is used to be connected in terminated line with the break-make of control terminal circuit；
The terminal electricity interface is used to connect outside electric equipment；
The terminal hand switch is used to be connected in terminated line with the break-make of manually control terminal circuit.
The master controller cycle collects U0、I0、T0And the U of each terminal control modulen、InAnd Tn, and calculate W0=
U0× I0 and each Wn=Un×In, and by W0、T0、WnAnd TnStorage is to central memory, and master controller is according to some recently
Secondary W0、T0、WnAnd TnCorresponding relation construction power temperature curve between middle power data and temperature data；Preferably, number
Be 10 minutes according to the cycle of collection, curve construction based on the data of nearest 10 times, or, data collection periods are 1 minute, bent
Line is constructed based on the data of nearest 30 times.The abscissa of curve is power, and ordinate is temperature.
Master controller is monitored to power, by current main road power W0Substitute into power temperature curve solve pair
The temperature answered：When the temperature solved is more than default temperature threshold Tmax, alarm is sent, points out user to pass through user interface
Device control centre controller sends switch command to terminal control unit；
Master controller to terminal control unit before open command is sent, and first calculating main road after the terminated line is connected will
The estimated general power reached, and estimated general power substitution power temperature curve is solved into corresponding estimating temperature：Work as solution
When the estimating temperature gone out is more than Tmax, master controller sends prompting by user interface device, and by user decide whether for
The corresponding equipment of the terminal is powered.
Master controller is also connected by wireless transmitter module with subscriber terminal equipment, and the subscriber terminal equipment can be
PC, smart mobile phone or Intelligent flat computer.
A kind of control method based on the above-mentioned Electrical Safety control system based on broadband power line carrier, including following step
Suddenly：
Step 1：Power threshold Wmax, temperature threshold Tmax, pressure drop threshold value Δ Umax are set；
Step 2：Control system performs monitoring：Electrical Safety control centre module monitors main road power W0, voltage U0And it is main
Route cable Skin temperature T0, the power W of each terminating circuit of terminal control module monitoringn, voltage WnAnd terminated line cable sheath
Temperature Tn, calculate the pressure drop Δ U=U between main road and each terminated line0-Un, when following condition meets any one, electricity consumption
Security control center module control user interface device sends alarm and goes to step 3：
1)W0More than or equal to Wmax,
2)T0More than or equal to Tmax,
3) Δ U is more than or equal to Δ Umax；
Meanwhile, the Electrical Safety control centre module cycle collects W0And T0And the W of each terminal control modulenWith
Tn, further according to W several times recently0、T0、Wn、TnCorresponding relation construction power temperature between middle power data and temperature data
Curve；
Step 3：User controls Electrical Safety control centre module to be sent to terminal control module by user interface device
Switch command with the break-make of control terminal circuit, Electrical Safety control centre module to terminal control module send open command it
Before, the estimated general power that main road is up to after the terminated line is connected first is calculated, and estimated general power is substituted into power temperature song
Line solves corresponding estimating temperature：When the estimating temperature solved is more than Tmax, Electrical Safety control centre module is led to
Cross user interface device and send prompting.
The execution of first pause step 2 when the step 3 is performed, when step 3 is finished, step 2 is continued executing with.
Tmax preferred settings scope is 50-70 DEG C, and Δ Umax preferred settings scope is 10-30V.
Such as Fig. 2, also with a debugging terminal, debugging terminal is except with also having in addition to identical with the structure of terminal control module
There is a power controller, power controller is connected in terminal electricity interface, the power regulating range of power controller is 5W-
2000W, when in use in order to calibrate power temperature curve, can set power controller and be worked with different power, so that line
Road is operated under different power conditions so that the power temperature curve of construction is more accurate.
Claims (8)
1. a kind of Electrical Safety control system based on broadband power line carrier, it is characterised in that：Including in Electrical Safety control
Core module and the user interface device and at least one terminal control mould being connected respectively with Electrical Safety control centre module
Block；
It is main road that Electrical Safety control centre module, which is used for installed in indoor power supply bus, and terminal control module is used to be arranged on
On power supply terminal interface, the terminated line where power supply terminal interface is connected with main road.
2. the Electrical Safety control system as claimed in claim 1 based on broadband power line carrier, it is characterised in that：Electricity consumption is pacified
Full control centre module includes master controller, master controller caching, central memory, first voltage detection module, first
Current detection module, the first temperature detecting module and first carrier module；Master controller caching, central memory and the
One carrier module is connected with master controller respectively, first voltage detection module, the first current detection module and the first temperature
Detection module is connected with master controller caching respectively；
User interface device is connected with master controller；
Terminal control module includes terminal control unit, terminal buffers, limit switch, terminal electricity interface, terminal hand switch, end
Terminal voltage detecting module, terminal current detection module, terminal temperature detection module and terminal carrier module；Terminal buffers, end
End switch, terminal electricity interface, terminal hand switch and terminal carrier module are connected with terminal control unit respectively, terminal voltage
Detection module, terminal current detection module and terminal temperature detection module are connected with terminal buffers respectively；Electrical Safety is controlled
The first carrier module of center module and the terminal carrier module of terminal control module are connected by indoor power supply line.
3. the Electrical Safety control system as claimed in claim 2 based on broadband power line carrier, it is characterised in that：Described
One voltage detection module, the first current detection module and the first temperature detecting module are respectively used to detect the voltage U of main road0, electricity
Flow the Skin temperature T of I0 and main road cable0, and detection data are sent to master controller caching, and then it is delivered to center
Controller；The terminal voltage detection module, terminal current detection module and terminal temperature detection module are respectively used to detection eventually
The voltage U of end linen, electric current InAnd terminated line cable sheath temperature Tn, and detection data are sent to terminal buffers, enter
And terminal control unit is delivered to, terminal control unit transfers data to center by terminal carrier module and first carrier module and controlled
Device processed；The Un、InAnd TnRepresent voltage, electric current and temperature data that n-th of terminal control module is detected；The terminal is opened
Close for being connected in terminated line with the break-make of control terminal circuit；
The terminal electricity interface is used to connect outside electric equipment；
The terminal hand switch is used to be connected in terminated line with the break-make of manually control terminal circuit.
4. the Electrical Safety control system as claimed in claim 3 based on broadband power line carrier, it is characterised in that：In described
The heart controller cycle collects U0、I0、T0And the U of each terminal control modulen、InAnd Tn, and calculate W0=U0× I0 and each Wn
=Un×In, and by W0、T0、WnAnd TnStorage is to central memory, and master controller is according to W several times recently0、T0、WnAnd Tn
Corresponding relation construction power temperature curve between middle power data and temperature data；
Master controller is monitored to power, by current main road power W0Substitute into power temperature curve and solve corresponding temperature
Degree：When the temperature solved is more than default temperature threshold Tmax, alarm is sent, points out user to pass through user interface device control
Master controller processed sends switch command to terminal control unit；
Master controller first calculates main road after the terminated line is connected and is up to before open command is sent to terminal control unit
Estimated general power, and estimated general power is substituted into power temperature curve and solves corresponding estimating temperature：When what is solved
When estimating temperature is more than Tmax, master controller sends prompting by user interface device.
5. the Electrical Safety control system as claimed in claim 2 based on broadband power line carrier, it is characterised in that：Control at center
Device processed is also connected by wireless transmitter module with subscriber terminal equipment.
6. a kind of Electrical Safety control system based on broadband power line carrier based on as described in claim 1 to 5 is any
Control method, it is characterised in that comprise the following steps：
Step 1：Power threshold Wmax, temperature threshold Tmax, pressure drop threshold value Δ Umax are set；
Step 2：Control system performs monitoring：Electrical Safety control centre module monitors main road power W0, voltage U0And main road line
Cable Skin temperature T0, the power W of each terminating circuit of terminal control module monitoringn, voltage WnAnd terminated line cable sheath temperature
Tn, calculate the pressure drop Δ U=U between main road and each terminated line0-Un, when following condition meets any one, Electrical Safety
Control centre's module control user interface device sends alarm and goes to step 3：
1)W0More than or equal to Wmax,
2)T0More than or equal to Tmax,
3) Δ U is more than or equal to Δ Umax；
Meanwhile, the Electrical Safety control centre module cycle collects W0And T0And the W of each terminal control modulenAnd Tn, then root
According to W several times recently0、T0、Wn、TnCorresponding relation construction power temperature curve between middle power data and temperature data；
Step 3：User controls Electrical Safety control centre's module to send switch to terminal control module by user interface device
Order is sent before open command with the break-make of control terminal circuit, Electrical Safety control centre module to terminal control module,
The estimated general power that main road is up to after the terminated line is connected first is calculated, and estimated general power is substituted into power temperature curve
Solve corresponding estimating temperature：When the estimating temperature solved is more than Tmax, Electrical Safety control centre module passes through
User interface device sends prompting.
7. the Electrical Safety control method as claimed in claim 6 based on broadband power line carrier, it is characterised in that：The step
The execution of rapid 3 first pause steps 2 when performing, when step 3 is finished, step 2 is continued executing with.
8. the Electrical Safety control method as claimed in claim 6 based on broadband power line carrier, it is characterised in that：Tmax's
Setting range is 50-70 DEG C, and Δ Umax setting range is 10-30V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710504916.4A CN107181322B (en) | 2017-06-28 | 2017-06-28 | Power utilization safety control system and method based on broadband power line carrier |
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| CN201710504916.4A CN107181322B (en) | 2017-06-28 | 2017-06-28 | Power utilization safety control system and method based on broadband power line carrier |
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| CN107181322B CN107181322B (en) | 2023-06-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111752211A (en) * | 2020-07-07 | 2020-10-09 | 佛山市顺德区伊戈尔电力科技有限公司 | Remote control system and method for household electrical appliance |
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| CN206807149U (en) * | 2017-06-28 | 2017-12-26 | 烟台东方威思顿电气有限公司 | A kind of Electrical Safety control system based on broadband power line carrier |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111752211A (en) * | 2020-07-07 | 2020-10-09 | 佛山市顺德区伊戈尔电力科技有限公司 | Remote control system and method for household electrical appliance |
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