CN110838654A - Intelligent socket based on power line carrier - Google Patents
Intelligent socket based on power line carrier Download PDFInfo
- Publication number
- CN110838654A CN110838654A CN201911139228.8A CN201911139228A CN110838654A CN 110838654 A CN110838654 A CN 110838654A CN 201911139228 A CN201911139228 A CN 201911139228A CN 110838654 A CN110838654 A CN 110838654A
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- module
- power
- line carrier
- power line
- acquisition module
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6675—Structural association with built-in electrical component with built-in electronic circuit with built-in power supply
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6691—Structural association with built-in electrical component with built-in electronic circuit with built-in signalling means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/542—Systems for transmission via power distribution lines the information being in digital form
Abstract
The invention relates to the technical field of electronics, in particular to an intelligent socket based on a power line carrier, which takes an ATmega16 singlechip system as a core controller to control and coordinate the work of each module, acquires the control and electric energy information of each electric appliance through a TM7755 electric energy acquisition chip, wherein the ATmega16 singlechip system is connected with a PLC communication module, a clock module, a ten-point frequency acquisition module, a power module, a voltage acquisition module and a current acquisition module switch driving circuit, the PLC communication module is connected with a mains frequency acquisition module, the TM7755 electric energy acquisition chip and the switch driving circuit, the switch driving circuit is also connected with the clock module, two ends of the mains frequency acquisition module, a section edge membrane block, the voltage acquisition module and the current acquisition module are connected with a live wire and a zero wire of a mains supply, and the intelligent socket has the advantages of simple structure, low cost and longer communication distance, Strong anti-interference capability and the like.
Description
Technical Field
The invention relates to the technical field of electronics, in particular to an intelligent socket based on a power line carrier.
Background
The use of a large number of electronic products and electric appliances has caused a rapid increase in energy consumption in the fields of households and offices, and the problem of energy conservation is imminent. Therefore, it is necessary to establish an electric energy network to monitor the electric appliances of the user and optimize the operation of each electric appliance, thereby achieving the purpose of saving electric energy. The most direct method is to modify various electric appliances to monitor their own power consumption and have communication function, however, most of the electric appliances in the house and office do not have such function, so the cost of the method is high and the feasibility is not high. As the most common intermediate part for connecting the commercial power and the user electric appliance, the intelligent socket with monitoring and communication functions is developed by transforming the socket, the power consumption of the user electric appliance can be monitored, and the method is simple, convenient and feasible. Meanwhile, with the development of digital homes and intelligent buildings, the power line carrier PLC technology is paid attention again, data transmission can be carried out without erecting a network again, the limitation of the PLC is fully shielded within the range of one home or one building, and the power line carrier PLC technology is very suitable for building electric energy networks of users in the fields of homes and offices.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art and provide an intelligent socket based on power line carrier, an intelligent socket based on power line carrier communication is combined with a home gateway with power line carrier communication and web server embedded type, a user electric energy network is formed through the power line carrier communication, a user can log on the Internet at any time in various modes to control household appliances and inquire various states of the household appliances at any time, a reasonable power utilization scheme is formulated according to the electric energy consumption condition, the electric energy expenditure is reduced to the maximum extent, and the household electric energy management is realized.
In order to achieve the purpose, the invention adopts the technical scheme that:
the intelligent socket based on the power line carrier wave uses an ATmega16 single chip microcomputer system as a core controller to control and coordinate the work of each module, and acquires the control and electric energy information of each electric appliance through a TM7755 electric energy acquisition chip, wherein the ATmega16 single chip microcomputer system is connected with a PLC communication module, a clock module, a ten-point frequency acquisition module, a power module, a voltage acquisition module and a current acquisition module switch driving circuit, the PLC communication module is connected with a mains supply frequency acquisition module, the TM7755 electric energy acquisition chip and the switch driving circuit, the switch driving circuit is also connected with the clock module, and two ends of the mains supply frequency acquisition module, a section edge membrane block, the voltage acquisition module and the current acquisition module are connected with a live wire and a zero wire of a mains supply.
On the basis of the scheme, the ATmega16 single-chip microcomputer system preferably comprises a PIM power line carrier communication module, a highly integrated power line carrier communication chip system IT700 is used as a core, a DSCK modulation mode is adopted, and different circuit driving capacities are provided for the integrated analog front end, so that data transmission is more stable and reliable.
Preferably, on the basis of the scheme, the mains supply frequency sampling circuit is used for monitoring the power grid frequency; the electric energy metering module with the TM7755 as a core is used for metering the electricity consumption and the power of the user electric appliance; the switch driving circuit completes the control of power supply and power failure of the user electric appliance; the clock chip provides accurate time for the intelligent socket.
On the basis of the scheme, the voltage acquisition module selects a resistance voltage division mode; and selecting a current transformer mode for current sampling.
On the basis of the scheme, preferably, the output of the CF pin of the TM7755 electric energy acquisition chip and an external interrupt port 0 interface of the ATmega16 singlechip are used for counting high-frequency pulses, a timer in the singlechip can be used for setting the timing of pulse counting, and corresponding electric energy and average power can be obtained within the pulse counting and timing time.
On the basis of the scheme, preferably, the clock chip adopts a DS1302, wherein the DS1302 comprises a static RAM with 31 bytes and a programmable real-time clock, and can communicate with the main controller in a serial mode.
On the basis of the scheme, the ATmega16 single-chip microcomputer system is preferably provided with a storage module for storing historical electricity consumption data of a user electric appliance, and the low-power E2PROM and AT24C02 are used as data storage devices to ensure the running speed of the data in the frequent process.
On the basis of the scheme, preferably, the input pin of the current-limiting resistor in the switch driving module is connected with an I/O port of the ATmega16 control core, and when the output of the connected I/O pin is at a low level, the intelligent socket supplies power and is switched on; when the output of the connected I/O pin is high level, the intelligent socket stops supplying power.
On the basis of the scheme, the intelligent socket control main program mainly comprises an ATmega16 internal watchdog timer, an I/O input/output state, an interrupt related register and the setting of serial port communication, and initialization of an IT700PIM power line carrier communication module and system networking; the system stores historical electric quantity data of daily and monthly electric quantity in the E2PROM, and after each power-on reset, the recovery of the historical electric quantity data is finished by reading the data of the E2 PROM; and setting conditions for each subprogram execution in the main loop, and calling the corresponding subprogram by the program to complete the corresponding function when the conditions are met.
After adopting the structure, the invention has the beneficial effects that: the intelligent socket based on power line carrier communication is combined with the home gateway with power line carrier communication and web server embedded, a user electric energy network is formed through the power line carrier communication, a user can log on the Internet to control household appliances in various ways at any time and can inquire various states of the household appliances at any time, a reasonable power utilization scheme is formulated according to electric energy consumption conditions, electric energy expenditure is reduced to the maximum extent, household electric energy management is realized, and the design of the intelligent socket is realized by adopting an ATmega16 processor and IT700PIM power line waves, TM7755 electric energy metering, relays and other modules. The intelligent socket has the advantages of being simple in structure, low in cost, flexible and reliable in working mode, long in communication distance, high in anti-interference capacity and the like, the intelligent socket can form a user electric energy network through power line carrier communication so as to control and optimize the operation of household appliances in each room, the purpose of saving electric energy is finally achieved, and the intelligent socket can be widely applied to intelligent families and intelligent building systems.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a circuit diagram of the peripheral circuit of the IT700PIM module in the present invention;
FIG. 3 is a flowchart illustrating the operation of the main control program according to the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the intelligent socket based on power line carrier communication according to the invention is combined with a home gateway with power line carrier communication and web server embedded, and forms a user power network through power line carrier communication, so that a user can log on the Internet at any time in various ways to control home appliances and inquire various states of the home appliances at any time, and a reasonable power consumption scheme is formulated according to power consumption conditions, thereby reducing power expenditure to the maximum extent and realizing home power management.
In order to achieve the purpose, the invention adopts the technical scheme that:
the intelligent socket based on the power line carrier wave uses an ATmega16 single chip microcomputer system as a core controller to control and coordinate the work of each module, and acquires the control and electric energy information of each electric appliance through a TM7755 electric energy acquisition chip, wherein the ATmega16 single chip microcomputer system is connected with a PLC communication module, a clock module, a ten-point frequency acquisition module, a power module, a voltage acquisition module and a current acquisition module switch driving circuit, the PLC communication module is connected with a mains supply frequency acquisition module, the TM7755 electric energy acquisition chip and the switch driving circuit, the switch driving circuit is also connected with the clock module, and two ends of the mains supply frequency acquisition module, a section edge membrane block, the voltage acquisition module and the current acquisition module are connected with a live wire and a zero wire of a mains supply.
Further, ATmega16 single chip microcomputer system includes PIM power line carrier communication module, adopts highly integrated level power line carrier communication chip system IT700 as the core, adopts DSCK modulation mode, and integrated simulation front end provides different circuit driving ability for IT, makes data transmission more reliable and stable.
The mains supply frequency sampling circuit is used for monitoring the power grid frequency; the electric energy metering module with the TM7755 as a core is used for metering the electricity consumption and the power of the user electric appliance; the switch driving circuit completes the control of power supply and power failure of the user electric appliance; the clock chip provides accurate time for the intelligent socket.
The voltage acquisition module selects a resistance voltage division mode; and selecting a current transformer mode for current sampling.
The output of the CF pin of the TM7755 electric energy acquisition chip and an external interrupt port 0 interface of the ATmega16 singlechip are used for counting high-frequency pulses, a timer in the singlechip can be used for setting the timing of pulse counting, and corresponding electric energy and average power can be obtained within the pulse counting and timing time.
The clock chip is a DS1302, which includes a 31-byte static RAM and a programmable real-time clock, and can communicate with the host controller in a serial manner.
The ATmega16 single-chip microcomputer system is provided with a storage module for storing historical electricity consumption data of a user electric appliance, and the low-power E2PROM and AT24C02 are used as data storage devices to ensure the running speed of the data in a frequent process.
The input pin of a current-limiting resistor in the switch driving module is connected with an I/O port of an ATmega16 control core, and when the output of the connected I/O pin is at a low level, the intelligent socket supplies power and is switched on; when the output of the connected I/O pin is high level, the intelligent socket stops supplying power.
The intelligent socket control main program mainly comprises an ATmega16 internal watchdog timer, an I/O input/output state, a related interrupt register and the setting of serial port communication, and initialization of an IT700PIM power line carrier communication module and system access; the system stores historical electric quantity data of daily and monthly electric quantity in the E2PROM, and after each power-on reset, the recovery of the historical electric quantity data is finished by reading the data of the E2 PROM; and setting conditions for each subprogram execution in the main loop, and calling the corresponding subprogram by the program to complete the corresponding function when the conditions are met.
As shown in FIG. 2, the IT700 chip of the present invention integrates an extremely powerful physical layer (PHY), a high performance Data Link Layer (DLL), and a stable network layer (Y-Net) protocol. Meanwhile, the IT700 is also provided with an 8051 microcontroller of 256K byte Flash for a protocol stack, and in addition, 24 general I/O ports are provided for practical application. The IT700PIM is provided with a special AC/DC power supply module and an internal integrated signal coupler, the power of the power supply module is 2.5W, a 3.3V direct current power supply and a power line communication interface can be provided for the IT700PIM module, and meanwhile, a 5V direct current power supply is also provided for supplying power for other functional modules. All input pins of the IT700PIM are compatible with 5V level, and only the level conversion is needed to be carried out on the serial port signal level output by the IT700PIM to the ATmega16 single chip microcomputer, wherein the level conversion is carried out by adopting a 4-2 input AND gate chip 74HCT 08.
The invention adopts 220V sine alternating current voltage signal to be converted into half-wave sine alternating current voltage signal with peak value less than 5V through a diode rectifying circuit and a voltage dividing circuit, and then the half-wave sine alternating current voltage signal is input into another comparator through a comparator follower circuit to be compared with voltage, thereby converting the frequency signal into 5V square wave signal which can be received by a singlechip.
The present invention uses a precision clock chip DS1302 that contains 31 bytes of static RAM and a programmable real time clock that can communicate with the host controller in a serial fashion. The design uses the button cell with the power supply voltage of 3.3V as a standby power supply, and the clock chip can still normally work under the condition of power failure of a main power supply.
The intelligent socket based on power line carrier communication is combined with the home gateway with power line carrier communication and web server embedded, a user electric energy network is formed through the power line carrier communication, a user can log on the Internet to control household appliances in various ways at any time and can inquire various states of the household appliances at any time, a reasonable power utilization scheme is formulated according to electric energy consumption conditions, electric energy expenditure is reduced to the maximum extent, household electric energy management is realized, and the design of the intelligent socket is realized by adopting an ATmega16 processor and IT700PIM power line waves, TM7755 electric energy metering, relays and other modules. The intelligent socket has the advantages of being simple in structure, low in cost, flexible and reliable in working mode, long in communication distance, high in anti-interference capacity and the like, the intelligent socket can form a user electric energy network through power line carrier communication so as to control and optimize the operation of household appliances in each room, the purpose of saving electric energy is finally achieved, and the intelligent socket can be widely applied to intelligent families and intelligent building systems.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.
Claims (9)
1. The utility model provides a smart jack based on power line carrier which characterized in that: this smart jack system regards ATmega16 single chip microcomputer system as the core control ware, controls and coordinates the work of each module, and through TM7755 electric energy collection chip collection each electric appliance's control and electric energy information, ATmega16 single chip microcomputer system is connected with PLC communication module, clock module, ten some frequency acquisition modules, power module, voltage acquisition module and current acquisition module switch drive circuit, PLC communication module links to each other with commercial power frequency acquisition module and TM7755 electric energy collection chip and switch drive circuit, switch drive circuit still links to each other with clock module, commercial power frequency acquisition module, section border membrane piece, voltage acquisition module and current acquisition module's both ends all are connected in the live wire and the zero line of commercial power.
2. The smart jack based on power line carrier as claimed in claim 1, wherein: the ATmega16 single-chip microcomputer system comprises a PIM power line carrier communication module, a highly integrated power line carrier communication chip system IT700 is used as a core, a DSCK modulation mode is adopted, and different circuit driving capacities are provided for the integrated analog front end, so that data transmission is more stable and reliable.
3. The smart jack based on power line carrier as claimed in claim 1, wherein: the mains supply frequency sampling circuit is used for monitoring the power grid frequency; the electric energy metering module with the TM7755 as a core is used for metering the electricity consumption and the power of the user electric appliance; the switch driving circuit completes the control of power supply and power failure of the user electric appliance; the clock chip provides accurate time for the intelligent socket.
4. The smart jack based on power line carrier as claimed in claim 2, wherein: the voltage acquisition module selects a resistance voltage division mode; and selecting a current transformer mode for current sampling.
5. The smart jack based on power line carrier as claimed in claim 2, wherein: the output of the CF pin of the TM7755 electric energy acquisition chip and an external interrupt port 0 interface of the ATmega16 singlechip are used for counting high-frequency pulses, a timer in the singlechip can be used for setting the timing of pulse counting, and corresponding electric energy and average power can be obtained within the pulse counting and timing time.
6. The smart jack based on power line carrier as claimed in claim 1, wherein: the clock chip is a DS1302, which includes a 31-byte static RAM and a programmable real-time clock, and can communicate with the host controller in a serial manner.
7. The intelligent power line carrier-based card of claim 2, wherein: the ATmega16 single-chip microcomputer system is provided with a storage module for storing historical electricity consumption data of a user electric appliance, and the low-power E2PROM and AT24C02 are used as data storage devices to ensure the running speed of the data in a frequent process.
8. The intelligent power line carrier-based add-in system according to claim 1, wherein: the input pin of a current-limiting resistor in the switch driving module is connected with an I/O port of an ATmega16 control core, and when the output of the connected I/O pin is at a low level, the intelligent socket supplies power and is switched on; when the output of the connected I/O pin is high level, the intelligent socket stops supplying power.
9. The intelligent power line carrier-based card of claim 1, wherein: the intelligent socket control main program mainly comprises an ATmega16 internal watchdog timer, an I/O input/output state, a related interrupt register and the setting of serial port communication, and initialization of an IT700PIM power line carrier communication module and system access; the system stores historical electric quantity data of daily and monthly electric quantity in the E2PROM, and after each power-on reset, the recovery of the historical electric quantity data is finished by reading the data of the E2 PROM; and setting conditions for each subprogram execution in the main loop, and calling the corresponding subprogram by the program to complete the corresponding function when the conditions are met.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911139228.8A CN110838654A (en) | 2019-11-20 | 2019-11-20 | Intelligent socket based on power line carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911139228.8A CN110838654A (en) | 2019-11-20 | 2019-11-20 | Intelligent socket based on power line carrier |
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| Publication Number | Publication Date |
|---|---|
| CN110838654A true CN110838654A (en) | 2020-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911139228.8A Pending CN110838654A (en) | 2019-11-20 | 2019-11-20 | Intelligent socket based on power line carrier |
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| CN (1) | CN110838654A (en) |
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| CN202997213U (en) * | 2012-12-05 | 2013-06-12 | 无锡职业技术学院 | Multifunctional socket |
| CN205212090U (en) * | 2015-11-23 | 2016-05-04 | 安徽理工大学 | Novel intelligent plug |
| CN106054636A (en) * | 2016-06-27 | 2016-10-26 | 国网河南省电力公司南阳供电公司 | Household electrical appliance intelligent control system based on carrier technology |
| CN108110894A (en) * | 2017-11-27 | 2018-06-01 | 国家电网公司 | A kind of intelligent socket based on broadband power carrier wave |
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2019
- 2019-11-20 CN CN201911139228.8A patent/CN110838654A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006245983A (en) * | 2005-03-03 | 2006-09-14 | Teruya:Kk | Plug and receptacle for power source with communication function |
| CN201550111U (en) * | 2009-08-12 | 2010-08-11 | 刘骏 | Network data converting device based on power line carrier communication |
| JP2012039695A (en) * | 2010-08-04 | 2012-02-23 | Sharp Corp | Connection apparatus managing system |
| CN202422126U (en) * | 2011-12-30 | 2012-09-05 | 淮阴工学院 | Data acquisition device based on LabView and USB (universal serial bus) 2.0 interface |
| CN102540946A (en) * | 2012-02-15 | 2012-07-04 | 浙江大学 | Singlechip-based prerecording anti-jamming sound controller |
| CN202997213U (en) * | 2012-12-05 | 2013-06-12 | 无锡职业技术学院 | Multifunctional socket |
| CN205212090U (en) * | 2015-11-23 | 2016-05-04 | 安徽理工大学 | Novel intelligent plug |
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Application publication date: 20200225 |