CN105182918A - Household electrical appliance intelligent control system capable of carrying out data transmission by using electric power carrier communication - Google Patents
Household electrical appliance intelligent control system capable of carrying out data transmission by using electric power carrier communication Download PDFInfo
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- CN105182918A CN105182918A CN201510315816.8A CN201510315816A CN105182918A CN 105182918 A CN105182918 A CN 105182918A CN 201510315816 A CN201510315816 A CN 201510315816A CN 105182918 A CN105182918 A CN 105182918A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
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Abstract
The invention discloses a household electrical appliance intelligent control system capable of carrying out data transmission by using electric power carrier communication, which is mainly composed of a main control unit and a controlled unit, wherein the main control unit and the controlled unit are connected to an electric power line, and the main control unit and the controlled unit perform communication therebetween by adopting electric power carriers. The main control unit is internally provided with a main control coupling circuit, a tri-state gate circuit, a band-pass filter, a power amplifier, a main control memory, an electric power carrier chip, a microprocessor, a memory and a power supply circuit. When processing is carried out on carrier signals, the main control unit can perform data interaction with the microprocessor by effectively utilizing the memory, and can also back up import information at the same time for post processing. The electric power carrier chip adopts the specially arranged main control memory, thereby being capable of further improving the processing speed of the main control unit so as to improve the processing efficiency. The whole system has the characteristics of reasonable design, ability of being scientific and practical, low cost and the like.
Description
Technical field
The present invention relates to the field such as electric system, the communication technology, specifically, is a kind of intelligent control system of domestic electric appliances utilizing power line carrier, PLC to carry out data transmission.
Background technology
Power network is one and is close to physical network that is natural, rate into family absolute first, and existing function is only electric energy transmitting.How to utilize electric power networks resource potential, do not affecting on the basis of electric energy transmitting, realize arrowband or broadband connections, make it to become the another communication network after relay letter, phone, radio communication, satellite communication, the another target of scientific and technical personnel's research of technique both at home and abroad for many years, and power network can be made to become technological means that another new communication network adopts only carrier communication can be competent at.
Power line communication (PowerLineCommunication, PLC) refer to be based upon on power delivery network basis, to realize between the inner each node of powerline network and with the system communicated between other communication networks.In recent years, compared with telecommunications network and cable television network, power line communication network is wide with its resource, day by day cause the concern of people with family in conjunction with the advantage such as tight, and is rapidly developed.The application of PLC has been not limited to simple point-to-point transmission, and its application in intellectual communityintellectualized village and Access Network is just being studied by more American-European countries, and this is the inexorable trend that the development of information network and information household appliances occur.The design of special communication module determine these functions whether can high-quality, realize at low cost, and the security performance of system and the line of electric force protection that Keep Clear-High Voltage.
Because the signal to noise ratio (S/N ratio) of data-signal determines the distance of transmission range, therefore the key of power line carrier communication is exactly select a powerful special modem chip of power line carrier.
Summary of the invention
The object of the invention is to design a kind of intelligent control system of domestic electric appliances utilizing power line carrier, PLC to carry out data transmission, utilize carrier communication and the intelligent control system designed, by effective combination of main control unit and controlled cell, power carrier is utilized to carry out communications, main control unit can be controlled, to reach the object that power application line assembling network carries out Based Intelligent Control to controlled cell; When carrying out carrier signal process, important information can also back up, in order to post-processed while effectively can utilizing and carrying out data interaction between storer and microprocessor by main control unit; Power carrier chip adopts ad hoc host memory, further can improve the processing speed of main control unit, to improving treatment effeciency, whole system have reasonable in design, science is practical, the feature such as with low cost.
The present invention is achieved through the following technical solutions: a kind of intelligent control system of domestic electric appliances utilizing power line carrier, PLC to carry out data transmission, primarily of main control unit and controlled cell composition, described main control unit is all connected on line of electric force with controlled cell, and between main control unit with controlled cell, adopt power carrier to communicate, master control coupled circuit is provided with in described main control unit, tri-state gate circuit, bandpass filter, power amplifier, host memory, power carrier chip, microprocessor, storer, feed circuit, described master control coupled circuit connects line of electric force and tri-state gate circuit respectively, described tri-state gate circuit is connecting band bandpass filter circuit and power amplification circuit respectively, described bandwidth-limited circuit connects power carrier chip, described power carrier chip connects power amplification circuit, described host memory connects power carrier chip, described microprocessor connected storage and power carrier chip, described feed circuit connect power carrier chip and microprocessor respectively.
Further, to better implement the present invention, avoid microprocessor program sideslip or occur infinite loop phenomenon, the following set-up mode of special employing: also comprise clock circuit in described main control unit, described clock circuit connects microprocessor.
Further, to better implement the present invention, more effectively can be input to by the carrier signal that line of electric force senses on power carrier chip, be unlikely to because signal crosses weak and can not normally resolve, the following set-up mode of special employing: also comprise preamplifying circuit in described main control unit, described preamplifying circuit is connected between bandwidth-limited circuit and power carrier chip.
Further, to better implement the present invention, carrier communication can be utilized to control effectively to the electrical part in controlled cell, and state of a control is fed back in main control unit by power line carrier, PLC mode, the following set-up mode of special employing: be provided with controlled coupled circuit in described controlled cell, logical gate, input filter circuit, amplifying circuit, controlled storage, power circuit, expansion carrier chip, controlled electrical equipment, described controlled coupled circuit connects line of electric force and logical gate respectively, described logical gate connects input filter circuit and amplifying circuit respectively, described input filter circuit connects expansion carrier chip, described expansion carrier chip connects amplifying circuit, described controlled storage connects expansion carrier chip, described controlled electrical equipment connects expansion carrier chip, described power circuit connection control carrier chip.
Further, to better implement the present invention, can will be more effectively input on expansion carrier chip by the carrier signal that line of electric force senses, be unlikely to because signal crosses weak and can not normally resolve, the following set-up mode of special employing: be also provided with pre-amplification circuit in described controlled cell, described pre-amplification circuit is connected between input filter circuit and expansion carrier chip.
Further, to better implement the present invention, reduce design cost and also effectively utilize ripe expansion carrier processing technology, the following set-up mode of special employing: described expansion carrier chip adopts SC1128 spread spectrum communication chip.
Further, to better implement the present invention, the carrying out of storer efficient, flexible can be made to store, the following set-up mode of special employing: be provided with random access memory and FLASH memory in described storer, described microprocessor connects random access memory and FLASH memory respectively.
Further, to better implement the present invention, described random access memory adopts static RAM or dynamic RAM.
Further, to better implement the present invention, adopt ripe Digital Signal Processing, complete the data processing of the aspects such as the signal syntheses in main control unit, instruction issuing, the following set-up mode of special employing: described microprocessor adopts model to be the dsp processor of TMS320C5535.
Further, to better implement the present invention, reduce design cost and also effectively utilize ripe expansion carrier processing technology, the following set-up mode of special employing: described power carrier chip adopts SC1128 spread spectrum communication chip.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention utilizes carrier communication and the intelligent control system designed, by effective combination of main control unit and controlled cell, power carrier is utilized to carry out communications, main control unit can be controlled, to reach the object that power application line assembling network carries out Based Intelligent Control to controlled cell; When carrying out carrier signal process, important information can also back up, in order to post-processed while effectively can utilizing and carrying out data interaction between storer and microprocessor by main control unit; Power carrier chip adopts ad hoc host memory, further can improve the processing speed of main control unit, to improving treatment effeciency, whole system have reasonable in design, science is practical, the feature such as with low cost.
(2) the present invention utilizes power circuit as the carrier communication of transmission channel, and a kind of power carrier communication system designed in conjunction with spread spectrum, the impact of the ground unrest on line of electric force on signal of communication effectively can be reduced when communicating, thus ensure that the reliability of powerline network communication, whole power line network communicating circuit has reasonable in design, syndeton is simple, and system energy consumption is low, work efficiency high.
(3) the present invention adopts electric power line carrier chip (SC1128) and has the digital signal processing chip TMS320C5535 design main control unit of low-cost advantage, this main control unit passes through power line carrier, utilize low-voltage power line as telecommunication media, do not need to carry out rewiring construction and achieve communication network, accomplished to carry out remote-control to controlled cell.
(4) the present invention adopts power line carrier communication to compare with other communication modes, has the advantage of oneself uniqueness, does not need to carry out cable wiring manufacture, and Network stretch is extensive, and electric power networks has reliable and stable job security.
(5) microprocessor of the present invention adopts TMS320C5535, and be a digital signal processing chip with high-performance, low-power consumption, inner integrated Various Components, can carry out Treatment Analysis to data fast, efficiently, accurately.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Tri-state gate circuit (logical gate), so-called tri-state refers to that its output both can be normal high level (logical one) or the low level (logical zero) of general two-valued function circuit, can keep again distinctive high impedance status (Hi-Z).
When triple gate structure is in high impedance status, output resistance is very large, is equivalent to open circuit, without any logic control function.The meaning of high-impedance state is can not disconnecting circuit in side circuit.The control of the output logic state of three state circuit, is realized by an input pin.
Triple gate has an EO to control Enable Pin, and carry out the break-make of control gate circuit, the device that can possess these three kinds of states is just called three state device, and when EO is effective, three state circuit presents the output of " 0 " or " 1 " normally; When EO is invalid, three state circuit provides high-impedance state and exports.
When triple gate uses in bidirectional port, arranging Z is control item, and as Z=1, triple gate is high-impedance state, and service interruption above can only input, and as Z=0, triple gate is the low level output state of GPS survey, exportable, and namely O road leads to.
Triple gate is a kind of output stage expanding logic function, is also a kind of gauge tap.Be mainly used for the connection of bus, because bus only allows to only have a user simultaneously.Usually be connected to multiple device on the data bus, each device is by the signal gating of OE/CE and so on.As device does not have the words of gating, it is just in high-impedance state, is equivalent to not be connected in bus, does not affect the work of other device.
Embodiment 1:
A kind of intelligent control system of domestic electric appliances utilizing power line carrier, PLC to carry out data transmission, as shown in Figure 1, primarily of main control unit and controlled cell composition, described main control unit is all connected on line of electric force with controlled cell, and between main control unit with controlled cell, adopt power carrier to communicate, master control coupled circuit is provided with in described main control unit, tri-state gate circuit, bandpass filter, power amplifier, host memory, power carrier chip, microprocessor, storer, feed circuit, described master control coupled circuit connects line of electric force and tri-state gate circuit respectively, described tri-state gate circuit is connecting band bandpass filter circuit and power amplification circuit respectively, described bandwidth-limited circuit connects power carrier chip, described power carrier chip connects power amplification circuit, described host memory connects power carrier chip, described microprocessor connected storage and power carrier chip, described feed circuit connect power carrier chip and microprocessor respectively.
Main control unit forms the control signal utilizing power line carrier, PLC to communicate controlled controlled cell, in main control unit, steering order is sent on power carrier chip by microprocessor, steering order is treated to and carries out by power carrier the signal stream that communicates and be transported to after power amplification circuit effectively amplifies in tri-state gate circuit by power carrier chip, master control coupled circuit is transferred to by tri-state gate circuit by signal stream under the effect of self functional characteristic ~ 220V line of electric force in, and pass through ~ 220V power line transmission in corresponding controlled cell, it is controlled, and the signal transmitted by controlled cell via ~ 220V power line transmission to main control unit, the signal sensed is input in tri-state gate circuit through the coupling of master control coupled circuit by main control unit, signal is input in bandwidth-limited circuit by tri-state gate circuit under the effect of self-characteristic, because the interference on line of electric force is very large also very uncertain, therefore the signal of bandwidth 100 ~ 400kHz is only input in power carrier chip by bandwidth-limited circuit, then in power carrier chip, do the signal transacting such as further signal amplification, input signal after power carrier chip process does such as signals revivification by microprocessor, assigning of corresponding such as controlled way instruction is done according to the signal after reduction, control the formation processing of the feedback command signals such as which controlled cell, then the feedback command signal representing various operational order is treated to the signal of communication that can carry out transmitting on line of electric force via power carrier chip, and after through output circuit coding export and output in master control coupled circuit through tri-state gate circuit, master control coupled circuit carries out communications further by ~ 220V line of electric force, in order to carrying out management and control to corresponding controlled cell, described feed circuit provide required operating voltage for power carrier chip and microprocessor.Utilize carrier communication and the intelligent control system designed, by effective combination of main control unit and controlled cell, utilize power carrier to carry out communications, main control unit can be controlled controlled cell, to reach the object that power application line assembling network carries out Based Intelligent Control; When carrying out carrier signal process, important information can also back up, in order to post-processed while effectively can utilizing and carrying out data interaction between storer and microprocessor by main control unit; Power carrier chip adopts ad hoc host memory, further can improve the processing speed of main control unit, to improving treatment effeciency, whole system have reasonable in design, science is practical, the feature such as with low cost.
Embodiment 2:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further, to better implement the present invention, avoid microprocessor program sideslip or occur infinite loop phenomenon, as shown in Figure 1, the following set-up mode of special employing: also comprise clock circuit in described main control unit, described clock circuit connects microprocessor, clock circuit provides the clock frequency needed for work for microprocessor, and effectively avoids microprocessor to occur the phenomenons such as endless loop, affects the normal work of whole system.
Embodiment 3:
The present embodiment is at the enterprising one-step optimization in the basis of embodiment 1, further, to better implement the present invention, more effectively can be input to by the carrier signal that line of electric force senses on power carrier chip, be unlikely to because signal crosses weak and can not normally resolve, as shown in Figure 1, the following set-up mode of special employing: also comprise preamplifying circuit in described main control unit, described preamplifying circuit is connected between bandwidth-limited circuit and power carrier chip, by bandwidth-limited circuit, the signal responded to from line of electric force is amplified for the first time through preamplifying circuit, avoid because part signal crosses weak and cause power carrier chip not process completely, lost part signal, affect overall performance.
Embodiment 4:
The present embodiment is at the enterprising one-step optimization in the basis of embodiment 1, further, to better implement the present invention, carrier communication can be utilized to control effectively to the electrical part in controlled cell, and state of a control is fed back in main control unit by power line carrier, PLC mode, as shown in Figure 1, the following set-up mode of special employing: be provided with controlled coupled circuit in described controlled cell, logical gate, input filter circuit, amplifying circuit, controlled storage, power circuit, expansion carrier chip, controlled electrical equipment, described controlled coupled circuit connects line of electric force and logical gate respectively, described logical gate connects input filter circuit and amplifying circuit respectively, described input filter circuit connects expansion carrier chip, described expansion carrier chip connects amplifying circuit, described controlled storage connects expansion carrier chip, described controlled electrical equipment connects expansion carrier chip, described power circuit connection control carrier chip.
In controlled cell, be input in logical gate by the signal that line of electric force senses through controlled coupled circuit coupling, signal is input in input filter circuit by logical gate under the effect of self-characteristic, because the interference on line of electric force is very large also very uncertain, therefore the signal of bandwidth 100 ~ 400kHz is only input in expansion carrier chip by input filter circuit, then in expansion carrier chip, do the signal transacting such as further signal amplification, after the process of expansion carrier chip, corresponding control is made to the controlled electrical equipment in this controlled cell, expand carrier chip simultaneously and will complete the status signal after control, and request instruction signal makes respective handling, rear formation one group of feedback signal, and this group feedback signal coding is become the signal of communication that can carry out transmitting on line of electric force, and after through output circuit coding export and output in controlled coupled circuit through logical gate, controlled coupled circuit carries out communications further by ~ 220V line of electric force, timely management and control is carried out in order to main control unit.
Utilize power circuit as the carrier communication of transmission channel, and a kind of power carrier communication system designed in conjunction with spread spectrum, the impact of the ground unrest on line of electric force on signal of communication effectively can be reduced when communicating, thus ensure that the reliability of powerline network communication, whole power line network communicating circuit has reasonable in design, syndeton is simple, and system energy consumption is low, work efficiency high.
Embodiment 5:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further, to better implement the present invention, can will be more effectively input on expansion carrier chip by the carrier signal that line of electric force senses, be unlikely to because signal crosses weak and can not normally resolve, as shown in Figure 1, the following set-up mode of special employing: be also provided with pre-amplification circuit in described controlled cell, described pre-amplification circuit is connected between input filter circuit and expansion carrier chip, by input filter circuit, the signal responded to from line of electric force is carried out early stage through pre-amplification circuit to amplify, avoid because part signal crosses weak and cause expansion carrier chip not process completely, lost part signal, affect overall performance.
Embodiment 6:
The present embodiment is at the enterprising one-step optimization in the basis of embodiment 4, further, to better implement the present invention, reduce design cost and also effectively utilize ripe expansion carrier processing technology, the following set-up mode of special employing: described expansion carrier chip adopts SC1128 spread spectrum communication chip.
SC1128 chip is the special band spectrum modulation/demodulator circuit developed towards power line carrier communication market.Owing to have employed the new technologies such as direct sequence spread spectrum, digital signal processing, direct digital synthesis technique, therefore this circuit application has stronger anti-interference and anti-decay property in power line communication.SC1128 chip internal is integrated with spread spectrum/despreading, modulating/demodulating, DA and AD conversion, built-in electronic form, exports drivings, input signal amplification, house dog, operating voltage are monitored and with the function such as microcomputer series interface communication.This chip can play and reduce system cost and the effect improving system function in small-size multifunction application system.
SC1128 chip is the Digital Analog Hybrid Circuits adopting CMOS technology design, has following functional characteristics:
Direct sequence spread spectrum skill, antijamming capability is strong;
Transmit and be divided into two kinds of forms to export: one is that sinusoidal impact damper exports after D/A converter, and Resonance Wave Composition is few; Another kind presses off Lou impact damper with height and exports, and application cost is low;
Input signal amplifier, carries out enlarge leadingly to input signal;
Built-in watchdog circuit, the duty of surveillance program;
Built-in voltage monitor, monitors the change of supply voltage, and sends alerting signal to system in time;
Built-in electronic form (24 hours systems), meets the requirement (support power down operations) to different time sections charge rate;
Built-in serial half-duplex synchronous transmission communication interface, the control command conveniently and between MCU and exchanges data;
63 spreading codes, data rate representative value is 5.75Kbps;
Detection threshold value from 200 ~ 6290 by software set;
Built-in 64*8SRAM storer (support power down operations), for systems with data is kept in;
QFP-44 line packing forms (LQFP-44PIN) is provided;
Single+5 volt voltage power supplies.
Embodiment 7:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further, to better implement the present invention, the carrying out of storer efficient, flexible can be made to store, as shown in Figure 1, the following set-up mode of special employing: be provided with random access memory and FLASH memory in described storer, described microprocessor connects random access memory and FLASH memory respectively.
The FLASH memory extended out adopts SPR4096A, is mainly used to the Backup Data that storage system needs.SPR4096AFJash has following feature: the storage space of 512K × 8; The SRAM of embedded 4K × 8; Outer CPU can visit Flash/SRAM by serial line interface or 8 bit parallel interfaces; The voltage range of I/O interface is 2.25 ~ 3.6V, and supports the battery saving mode of standby.Greatly can reduce the cost of system.In use, in data handling procedure, microprocessor effectively can complete exchanges data in conjunction with random access memory and FLASH memory, to reach good data process effects.
Embodiment 8:
The present embodiment is at the enterprising one-step optimization in the basis of embodiment 1, and further, to better implement the present invention, described random access memory adopts static RAM or dynamic RAM.
The feature of static memory (SRAM) is that operating rate is fast, as long as power supply is not removed, the information of write SRAM would not disappear, do not need refresh circuit, not destroying when reading the information originally deposited simultaneously, can repeatedly read once write, but integrated level is lower, power consumption is comparatively large, makes cache memory (Cache) in the present invention and uses.DRAM is dynamic RAM (DynamicRandomAccessMemory), it utilizes the grid of field effect transistor to the distributed capacitance between its substrate to the information of preserving, with the number of stored charge, namely the height of capacitance terminal voltage represents " 1 " and " 0 ", uses in the present invention as primary memory.
Embodiment 9:
The present embodiment is at the enterprising one-step optimization in the basis of above-mentioned any embodiment, further, to better implement the present invention, adopt ripe Digital Signal Processing, complete the data processing of the aspects such as the signal syntheses in main control unit, instruction issuing, the following set-up mode of special employing: described microprocessor adopts model to be the dsp processor of TMS320C5535.
Model is the characteristic that the dsp processor of TMS320C5535 has high-performance and low-power consumption, a kind of internal bus framework supported by processor, comprise programming bus, 32 bit data read buses and two 16 bit data read buses, two 16 bit data write bus and be specifically designed to the additional busses of peripheral hardware and DMA operation, this device also comprises the dma controller of 4 each tools, 4 passages, can be 16 autonomous channel contexts and data transmission is provided, and without the need to the intervention of CPU.Processor provides two multiply-add operation (MAC) unit, and they respectively can complete 17 * 17 multiplication and 32 additions within the single cycle.By extra 16 ALU, central authorities' 40 arithmetic/logic unit (ALU) are provided support.10 SARADC on universal input and output function and TMS320C5535 are state, interrupt providing enough pins, and provide sufficient position I/O for LCD display, keyboard and media interface.By sound (I2CBus between two secure digital (SD) peripheral hardwares, 4 IC
tM) module, one there is the serial port interface (SPI) of nearly 4 kinds of chip selections, a many primary controller of I2C and controlled device interface and universal asynchronous receiver/transmitter (UART) interface provides support to serial media, a high speed universal serial bus (USB2.0) only device model, a real-time clock (RTC), 3 general purpose timers (one of them can be configured to WatchDog Timer) and analog phase-locked look (APLL) clock generator.In addition, TMS320C5535 also comprises a tight coupling FFT hardware accelerator.This tight coupling FFT hardware accelerator can support 8 to 1024 real numbers and imaginary value FFT.Data processing can be carried out to the signal be transferred in TMS320C5535 fast, efficiently, accurately, and send corresponding instruction and carry out subordinate's operation.
Embodiment 10:
The present embodiment is at the enterprising one-step optimization in the basis of embodiment 1-8 any embodiment, further, to better implement the present invention, reduce design cost and also effectively utilize ripe expansion carrier processing technology, the following set-up mode of special employing: described power carrier chip adopts SC1128 spread spectrum communication chip.
SC1128 chip is the special band spectrum modulation/demodulator circuit developed towards power line carrier communication market.Owing to have employed the new technologies such as direct sequence spread spectrum, digital signal processing, direct digital synthesis technique, therefore this circuit application has stronger anti-interference and anti-decay property in power line communication.SC1128 chip internal is integrated with spread spectrum/despreading, modulating/demodulating, DA and AD conversion, built-in electronic form, exports drivings, input signal amplification, house dog, operating voltage are monitored and with the function such as microcomputer series interface communication.This chip can play and reduce system cost and the effect improving system function in small-size multifunction application system.
SC1128 chip is the Digital Analog Hybrid Circuits adopting CMOS technology design, has following functional characteristics:
Direct sequence spread spectrum skill, antijamming capability is strong;
Transmit and be divided into two kinds of forms to export: one is that sinusoidal impact damper exports after D/A converter, and Resonance Wave Composition is few; Another kind presses off Lou impact damper with height and exports, and application cost is low;
Input signal amplifier, carries out enlarge leadingly to input signal;
Built-in watchdog circuit, the duty of surveillance program;
Built-in voltage monitor, monitors the change of supply voltage, and sends alerting signal to system in time;
Built-in electronic form (24 hours systems), meets the requirement (support power down operations) to different time sections charge rate;
Built-in serial half-duplex synchronous transmission communication interface, the control command conveniently and between MCU and exchanges data;
63 spreading codes, data rate representative value is 5.75Kbps;
Detection threshold value from 200 ~ 6290 by software set;
Built-in 64*8SRAM storer (support power down operations), for systems with data is kept in;
QFP-44 line packing forms (LQFP-44PIN) is provided;
Single+5 volt voltage power supplies.
Adopt electric power line carrier chip (SC1128) and have low-cost advantage digital signal processing chip TMS320C5535 design main control unit, this main control unit passes through power line carrier, utilize low-voltage power line as telecommunication media, do not need to carry out rewiring construction and achieve communication network, accomplished to carry out remote-control to controlled cell.
The intelligent control system that the present invention utilizes carrier communication and designs, by effective combination of main control unit and controlled cell, utilize power carrier to carry out communications, main control unit can be controlled controlled cell, to reach the object that power application line assembling network carries out Based Intelligent Control; When carrying out carrier signal process, important information can also back up, in order to post-processed while effectively can utilizing and carrying out data interaction between storer and microprocessor by main control unit; Power carrier chip adopts ad hoc host memory, further can improve the processing speed of main control unit, to improving treatment effeciency, whole system have reasonable in design, science is practical, the feature such as with low cost.
The above is only preferred embodiment of the present invention, and not do any pro forma restriction to the present invention, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present invention, all falls within protection scope of the present invention.
Claims (10)
1. the intelligent control system of domestic electric appliances utilizing power line carrier, PLC to carry out data transmission, it is characterized in that: primarily of main control unit and controlled cell composition, described main control unit is all connected on line of electric force with controlled cell, and between main control unit with controlled cell, adopt power carrier to communicate, master control coupled circuit is provided with in described main control unit, tri-state gate circuit, bandpass filter, power amplifier, host memory, power carrier chip, microprocessor, storer, feed circuit, described master control coupled circuit connects line of electric force and tri-state gate circuit respectively, described tri-state gate circuit is connecting band bandpass filter circuit and power amplification circuit respectively, described bandwidth-limited circuit connects power carrier chip, described power carrier chip connects power amplification circuit, described host memory connects power carrier chip, described microprocessor connected storage and power carrier chip, described feed circuit connect power carrier chip and microprocessor respectively.
2. a kind of intelligent control system of domestic electric appliances utilizing power line carrier, PLC to carry out data transmission according to claim 1, is characterized in that: also comprise clock circuit in described main control unit, and described clock circuit connects microprocessor.
3. a kind of intelligent control system of domestic electric appliances utilizing power line carrier, PLC to carry out data transmission according to claim 1, it is characterized in that: also comprise preamplifying circuit in described main control unit, described preamplifying circuit is connected between bandwidth-limited circuit and power carrier chip.
4. a kind of intelligent control system of domestic electric appliances utilizing power line carrier, PLC to carry out data transmission according to claim 1, it is characterized in that: in described controlled cell, be provided with controlled coupled circuit, logical gate, input filter circuit, amplifying circuit, controlled storage, power circuit, expansion carrier chip, controlled electrical equipment, described controlled coupled circuit connects line of electric force and logical gate respectively, described logical gate connects input filter circuit and amplifying circuit respectively, described input filter circuit connects expansion carrier chip, described expansion carrier chip connects amplifying circuit, described controlled storage connects expansion carrier chip, described controlled electrical equipment connects expansion carrier chip, described power circuit connection control carrier chip.
5. a kind of intelligent control system of domestic electric appliances utilizing power line carrier, PLC to carry out data transmission according to claim 4, it is characterized in that: be also provided with pre-amplification circuit in described controlled cell, described pre-amplification circuit is connected between input filter circuit and expansion carrier chip.
6. a kind of intelligent control system of domestic electric appliances utilizing power line carrier, PLC to carry out data transmission according to claim 4, is characterized in that: described expansion carrier chip adopts SC1128 spread spectrum communication chip.
7. a kind of intelligent control system of domestic electric appliances utilizing power line carrier, PLC to carry out data transmission according to claim 1, it is characterized in that: be provided with random access memory and FLASH memory in described storer, described microprocessor connects random access memory and FLASH memory respectively.
8. a kind of intelligent control system of domestic electric appliances utilizing power line carrier, PLC to carry out data transmission according to claim 7, is characterized in that: described random access memory adopts static RAM or dynamic RAM.
9. a kind of intelligent control system of domestic electric appliances utilizing power line carrier, PLC to carry out data transmission according to any one of claim 1-8, is characterized in that: described microprocessor adopts model to be the dsp processor of TMS320C5535.
10. a kind of intelligent control system of domestic electric appliances utilizing power line carrier, PLC to carry out data transmission according to any one of claim 1-8, is characterized in that: described power carrier chip adopts SC1128 spread spectrum communication chip.
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| CN201510315816.8A CN105182918A (en) | 2015-06-10 | 2015-06-10 | Household electrical appliance intelligent control system capable of carrying out data transmission by using electric power carrier communication |
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| CN201510315816.8A CN105182918A (en) | 2015-06-10 | 2015-06-10 | Household electrical appliance intelligent control system capable of carrying out data transmission by using electric power carrier communication |
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Cited By (2)
| 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 |
| CN112765065A (en) * | 2019-11-04 | 2021-05-07 | 新唐科技股份有限公司 | Master-slave system and data transmission method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101377824A (en) * | 2007-08-29 | 2009-03-04 | 珠海天威技术开发有限公司 | Chip and microcontroller data processing method |
| CN203276552U (en) * | 2013-05-27 | 2013-11-06 | 无锡市欧凯电子有限公司 | Remote automatic measurement and control system |
| CN203287770U (en) * | 2013-06-26 | 2013-11-13 | 华北电力大学 | Power consumption monitoring and control management system for household electrical appliance |
| CN104702316A (en) * | 2015-03-20 | 2015-06-10 | 成都姜业光电科技有限公司 | Intelligent management system capable of using carrier communications to perform data transmission |
| CN204539136U (en) * | 2015-03-20 | 2015-08-05 | 成都姜业光电科技有限公司 | A kind of intelligent management system utilizing carrier communication to carry out transfer of data |
-
2015
- 2015-06-10 CN CN201510315816.8A patent/CN105182918A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101377824A (en) * | 2007-08-29 | 2009-03-04 | 珠海天威技术开发有限公司 | Chip and microcontroller data processing method |
| CN203276552U (en) * | 2013-05-27 | 2013-11-06 | 无锡市欧凯电子有限公司 | Remote automatic measurement and control system |
| CN203287770U (en) * | 2013-06-26 | 2013-11-13 | 华北电力大学 | Power consumption monitoring and control management system for household electrical appliance |
| CN104702316A (en) * | 2015-03-20 | 2015-06-10 | 成都姜业光电科技有限公司 | Intelligent management system capable of using carrier communications to perform data transmission |
| CN204539136U (en) * | 2015-03-20 | 2015-08-05 | 成都姜业光电科技有限公司 | A kind of intelligent management system utilizing carrier communication to carry out transfer of data |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112765065A (en) * | 2019-11-04 | 2021-05-07 | 新唐科技股份有限公司 | Master-slave system and data transmission method thereof |
| CN112765065B (en) * | 2019-11-04 | 2024-05-03 | 新唐科技股份有限公司 | Master-slave system and data transmission method thereof |
| 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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