CN201063934Y - Power line communication based road lamp electricity-saving control system - Google Patents
Power line communication based road lamp electricity-saving control system Download PDFInfo
- Publication number
- CN201063934Y CN201063934Y CNU2007200534771U CN200720053477U CN201063934Y CN 201063934 Y CN201063934 Y CN 201063934Y CN U2007200534771 U CNU2007200534771 U CN U2007200534771U CN 200720053477 U CN200720053477 U CN 200720053477U CN 201063934 Y CN201063934 Y CN 201063934Y
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- saving control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses a street lamp power saving control system based on power line communication, comprising an energy saving control unit, a host computer and a plurality of slave computers, wherein, the energy saving control unit presets electrical parameters of a street lamp and switching time of the system and automatically controls voltage and current. In the host computer, a signal modulation and demodulation unit traces and catches electric network signal, detects the state of a power line, and encrypts and modulates signal transmitted by the energy saving control unit and then transmits the signal to a signal sending unit, and the signal sending unit amplifies and sends the received signal to the power line through an electric coupling unit and then sends the received signal to various slave computers. In the slave computers, the electric coupling unit receives carrier wave signal on the power line; a signal receiving unit filters the received signal and then sends the received signal to the signal modulation and demodulation unit; the signal modulation and demodulation unit demodulates and deciphers the signal and then sends the signal to a singlechip control unit which controls action of an execution unit. The utility model realizes utilization of the power line communication and avoids construction and investment of a novel communication network.
Description
[technical field]
The utility model relates to the power communication control technology, relates in particular to a kind of electricity saving of road lamp control system based on power line communication.
[background technology]
Along with the raising of China's scientific and technological level, particularly computer technology, mechanics of communication obtain swift and violent development.Common cable technology is as traditional communication mode, and its stability takes advantage, but wire communication shop lineman's journey is great, and suffers artificial destruction easily.
Rise as the revolution of the communication media of carrier signal with power line.But in view of China's electrical network characteristic, with power line as communication transmission media, its signal attenuation is big, line impedance changes greatly, have problem such as strong noise, make the error rate raise, the communication quality quality seriously descends, and causes carrying out real time communication based on electric line carrier communication as street lamp transfer of data and remote monitoring and can not get extensive use.
[utility model content]
The utility model provides a kind of electricity saving of road lamp control system based on power line communication at the above-mentioned defective of prior art, and power line signal decay is big to overcome, line impedance changes greatly, have the shortcoming of strong noise, and realization is based on electric line carrier communication.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
Electricity saving of road lamp control system based on power line communication, comprise Energy Saving Control unit, main frame, a plurality of slave, it is characterized in that: described main frame comprises modulating and demodulating signal unit, signal receiving unit, signal transmitter unit, electric power coupling unit, described slave comprises electric power coupling unit, signal receiving unit, signal transmitter unit, modulating and demodulating signal unit, Single-chip Controlling unit, performance element, wherein:
The street lamp electrical quantity is preset in described Energy Saving Control unit, the system switching machine time, controls voltage and current automatically;
In the main frame, the modulating and demodulating signal element keeps track, catch power network signal, detect the power line state, signal encryption, modulation that the Energy Saving Control unit is sent send to the signal transmitter unit then; The signal transmitter unit amplifies the signal of receiving by the electric power coupling unit to power line, re-sends to each slave;
In the slave, the electric power coupling unit receives the carrier signal on the power line, send to the modulating and demodulating signal unit after the signal receiving unit filtering to the received signal, modem module is close to the signal demodulation, send to the Single-chip Controlling unit, the Single-chip Controlling unit is according to the signal controlling performance element action of receiving.
Preferably, described modem module adopts the SC1128 chip.
Preferably, described Single-chip Controlling unit employing AT89C2051 chip.
As can be seen from the above technical solutions, the utility model adopts the design of SC1128 chip power line carrier, PLC control terminal, overcome interference by spread spectrum technic, realize the communication function of street lamp power line, and adopted new technologies such as direct sequence spread spectrum, Digital Signal Processing, Direct Digital frequency synthesis, had stronger anti-interference and anti-decay property; Again because the pressure stabilization function of Energy Saving Control unit has reduced the factor that variable signal decay, line impedance variation, impulsive noise and self-sustained oscillation wave interference etc. are unfavorable for transfer of data, under the very wide channel circumstance of noise band, can realize reliable communication, the construction investment of new communication network has been avoided in the reliable and stable realization communication of this system works.
[description of drawings]
Fig. 1 is the structured flowchart of the utility model system;
Fig. 2 is the utility model circuit theory diagrams.
[embodiment]
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Referring to shown in Figure 1, main frame 1 comprises the electric power coupling unit, signal receiving unit, signal transmitter unit, Energy Saving Control unit.The host computer that main frame 1 is external.Slave 2, slave 3 comprise the electric power coupling unit, signal receiving unit, and the signal transmitter unit, performance element removes to control light fixture again, and described slave is a plurality of.Data are sent by main frame 1 communication equipment, through communication interface modules, deposit in one section buffering area in the microcontroller processing, communicate modulation after the encoded again processing, are coupled on the power line at last.The other end at power line, data receive to separate from power line after decoupling zero again is transferred to the Single-chip Controlling unit, after communication interface in slave 2 communication equipments, by final controlling element control, thereby reaches light fixture control, cable theft-prevention, every purposes such as the bright lamps of small cup.
Referring to shown in Figure 2, be the utility model circuit theory diagrams.As shown in Figure 2, coupling circuit is the output and the input channel of carrier signal, and works to isolate the 220V/50Hz power frequency.RV is the oxidation varistor, absorbs the lightning surge signal or impacts surging signal, and transformer T1 has realized the isolation of high pressure and low pressure.Because the frequency ratio of carrier wave is higher to be 100～400kHz, be far longer than the frequency of electrical network, make carrier signal unblocked, and can cut off high pressure.Capacitor C 1 blocking-up low-frequency high-voltage stops the T1 transformer saturated; Resistance R 1 makes capacitor discharge when off-line, prevent from high pressure to occur at the two ends of equipment plug.TVS is that transition suppresses diode, and it can avoid the back circuit to be broken down by high-voltage effectively.D1, D2 are for preventing the high-voltage breakdown amplifying circuit, effect is equivalent to a voltage stabilizing didoe with powerful absorption current ability, but its dynamic electric resistor is bigger, thus also need D1 and these two Schottky diodes of D2 further voltage clamp about supply voltage.Signal input channel meets a surge protection diode TVS; after isolating, resistance R 2 meets D1; the D2 diode clamping circuit is exported to the prime filter of receiving circuit part; prime filter C7; C8; C9; C10; L1; L4 forms; amplify by the U4 prime; the U4 prime is amplified by R3; R4; R5; R6; C11; C15 forms; C15 wherein; C11; level filter behind the R6; signal reaches the special-purpose band spectrum modulation/demodulator module of U2 by the PC1 light-coupled isolation; carrying out demodulation by the U2 data deposits in one section buffering area of single-chip microcomputer U1 microcontroller in handling; encoded again processing back communicates modulation output to U2; through the PC2 light-coupled isolation; wherein; R15; R16 is a pull-up resistor, delivers to U5 the signal amplification is coupled on the power line at last by T1.L2, L3, C22, C21, C20, R11, C18 form band pass filter.Finish when data forwarding, then detected state is got back to by system, waits for the startup of new round data transmit-receive.
The other end at power line receives data by slave, and operation principle is the same, and by the operation of final controlling element control light fixture, each slave is represented a kind of solicited message, is defined voluntarily by the user.For transmitting, principle is the same, all is to detect the power line state, carries out sending on the power line after encoding process, modulation, the amplification for the data that will receive, send; When receiving data, will regulate the gain that front end amplifies automatically, adapt to the environmental change on the power line automatically according to the intensity of receiving signal; It is close to pass through demodulation then, and signal encryption is sent, and deciphers at receiving terminal again, and the data of reduction are passed to single chip machine controlling circuit, and receiving-transmitting sides has identical coding just can communicate with one another.U1 serial port P3.0 and P3.1 are SC1128 chip and power line and upper PC communication port, and R27, R28, R29, R30, D7, D8, C31, Q1, Q2 etc. form the change-over circuit of RS232 communication interface; BT treats machine battery; D6 is a charging diode; The U6 storage chip is a dynamic memory chip that adopts the 12C bus, as Single-chip Controlling unit and U2 chip dynamic memory; R9, C12, C13, D3, D4 form band pass filter.One group of power supply is made up of T2, C2, BR1, C3, C4, U3, C5, C6, for the analog signal processing chip group provides power supply, another group power supply is made up of C32, T3, BR2, C33, C34, U7, C35, C36, for the digital signal processing chip group provides power supply, C2 and T2's is elementary, C32 and, the elementary of T3 all be impedors, can filter the interference of high order harmonic component, improve voltage stabilizing circuit stability and antijamming capability, reduce ripple coefficient, improve overall performance and reliability.
The above only is preferred embodiment of the present utility model, and all equalizations of being done with the utility model claim scope change and modify, and all should belong to the covering scope of the utility model claim.
Claims (3)
1. based on the electricity saving of road lamp control system of power line communication, comprise Energy Saving Control unit, main frame, a plurality of slave, it is characterized in that: described main frame comprises modulating and demodulating signal unit, signal receiving unit, signal transmitter unit, electric power coupling unit, described slave comprises electric power coupling unit, signal receiving unit, signal transmitter unit, modulating and demodulating signal unit, Single-chip Controlling unit, performance element, wherein:
The street lamp electrical quantity is preset in described Energy Saving Control unit, the system switching machine time, controls voltage and current automatically;
In the main frame, the modulating and demodulating signal element keeps track, catch power network signal, detect the power line state, signal encryption, modulation that the Energy Saving Control unit is sent send to the signal transmitter unit then; The signal transmitter unit amplifies the signal of receiving by the electric power coupling unit to power line, re-sends to each slave;
In the slave, the electric power coupling unit receives the carrier signal on the power line, send to the modulating and demodulating signal unit after the signal receiving unit filtering to the received signal, modem module is close to the signal demodulation, send to the Single-chip Controlling unit, the Single-chip Controlling unit is according to the signal controlling performance element action of receiving.
2. the electricity saving of road lamp control system based on power line communication according to claim 1 is characterized in that: described modem module adopts the SC1128 chip.
3. the electricity saving of road lamp control system based on power line communication according to claim 1 is characterized in that: described Single-chip Controlling unit adopts the AT89C2051 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200534771U CN201063934Y (en) | 2007-06-29 | 2007-06-29 | Power line communication based road lamp electricity-saving control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200534771U CN201063934Y (en) | 2007-06-29 | 2007-06-29 | Power line communication based road lamp electricity-saving control system |
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| Publication Number | Publication Date |
|---|---|
| CN201063934Y true CN201063934Y (en) | 2008-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007200534771U Expired - Fee Related CN201063934Y (en) | 2007-06-29 | 2007-06-29 | Power line communication based road lamp electricity-saving control system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101861045A (en) * | 2010-06-02 | 2010-10-13 | 威海东兴电子有限公司 | Power-line carrier electrodeless lamp control relay |
| CN101868101A (en) * | 2010-07-07 | 2010-10-20 | 四川电力试验研究院 | Power line carrier wave illuminating energy-saving management system |
| CN102280841A (en) * | 2010-06-10 | 2011-12-14 | 佶益投资股份有限公司 | Power distribution system |
| CN101511144B (en) * | 2009-03-24 | 2012-06-20 | 重庆乔亚电子有限公司 | LED automatic control system |
| CN102868219A (en) * | 2012-09-03 | 2013-01-09 | 山西潞安环保能源开发股份有限公司 | Intelligent electric carrier classification locking device |
| CN103874300A (en) * | 2014-03-31 | 2014-06-18 | 太仓电威光电有限公司 | Method and system for adjusting parameters of output end of LED drive |
| CN103945615A (en) * | 2014-04-30 | 2014-07-23 | 长兴泛亚照明电器有限公司 | Node controller of illumination system of parking lot |
| CN105704895A (en) * | 2016-03-24 | 2016-06-22 | 陕西理工学院 | Campus street lamp power carrier monitoring device |
| CN106953665A (en) * | 2017-05-16 | 2017-07-14 | 成都环磊科技有限公司 | A kind of method that Internet of Things is built based on power line communication |
| CN107040285A (en) * | 2017-05-16 | 2017-08-11 | 成都环磊科技有限公司 | The transmission method of power carrier data in a kind of Internet of Things |
| CN107665108A (en) * | 2017-02-24 | 2018-02-06 | 广东玖星光能低碳科技有限公司 | Information transmitting apparatus, information display device and information display system |
| TWI693512B (en) * | 2018-11-16 | 2020-05-11 | 緯穎科技服務股份有限公司 | Server device and power management method thereof |
-
2007
- 2007-06-29 CN CNU2007200534771U patent/CN201063934Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101511144B (en) * | 2009-03-24 | 2012-06-20 | 重庆乔亚电子有限公司 | LED automatic control system |
| CN101861045A (en) * | 2010-06-02 | 2010-10-13 | 威海东兴电子有限公司 | Power-line carrier electrodeless lamp control relay |
| CN101861045B (en) * | 2010-06-02 | 2014-03-26 | 威海东兴电子有限公司 | Power-line carrier electrodeless lamp control relay |
| CN102280841A (en) * | 2010-06-10 | 2011-12-14 | 佶益投资股份有限公司 | Power distribution system |
| CN101868101A (en) * | 2010-07-07 | 2010-10-20 | 四川电力试验研究院 | Power line carrier wave illuminating energy-saving management system |
| CN102868219A (en) * | 2012-09-03 | 2013-01-09 | 山西潞安环保能源开发股份有限公司 | Intelligent electric carrier classification locking device |
| CN103874300A (en) * | 2014-03-31 | 2014-06-18 | 太仓电威光电有限公司 | Method and system for adjusting parameters of output end of LED drive |
| CN103945615A (en) * | 2014-04-30 | 2014-07-23 | 长兴泛亚照明电器有限公司 | Node controller of illumination system of parking lot |
| CN105704895A (en) * | 2016-03-24 | 2016-06-22 | 陕西理工学院 | Campus street lamp power carrier monitoring device |
| CN107665108A (en) * | 2017-02-24 | 2018-02-06 | 广东玖星光能低碳科技有限公司 | Information transmitting apparatus, information display device and information display system |
| CN106953665A (en) * | 2017-05-16 | 2017-07-14 | 成都环磊科技有限公司 | A kind of method that Internet of Things is built based on power line communication |
| CN107040285A (en) * | 2017-05-16 | 2017-08-11 | 成都环磊科技有限公司 | The transmission method of power carrier data in a kind of Internet of Things |
| TWI693512B (en) * | 2018-11-16 | 2020-05-11 | 緯穎科技服務股份有限公司 | Server device and power management method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080521 Termination date: 20130629 |