CN208190982U - A kind of intelligent road-lamp hardware system based on power line carrier communication - Google Patents
A kind of intelligent road-lamp hardware system based on power line carrier communication Download PDFInfo
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- CN208190982U CN208190982U CN201820203542.2U CN201820203542U CN208190982U CN 208190982 U CN208190982 U CN 208190982U CN 201820203542 U CN201820203542 U CN 201820203542U CN 208190982 U CN208190982 U CN 208190982U
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- power line
- line carrier
- carrier communication
- lamp
- communication unit
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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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- Circuit Arrangement For Electric Light Sources In General (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
The utility model discloses a kind of intelligent road-lamp hardware system based on power line carrier communication, including single-lamp controller and power line carrier communication terminal, the power line carrier communication terminal is connected with the Centralized Controller for integrating street lamp information in certain area by power line；The power line carrier communication terminal mainly uses power line carrier communication chip LME2200C, the Centralized Controller mainly includes micro-control unit, power line carrier communication unit, GPRS communication unit, ethernet communication unit, serial communication unit, the power line carrier communication unit includes three independent Power Line Carrier Communication Modules, it is respectively connected to A, B, C three-phase of three-phase alternating current, and seals in trap in four line of AC three-phase；The Power Line Carrier Communication Module connects the micro-control unit by the serial communication unit；The Centralized Controller connects remote control center by GPRS network or Ethernet.
Description
Technical field
The utility model relates to power-line carrier communication field, especially a kind of intelligence based on power line carrier communication
Energy streetlight hardware system.
Background technique
Low voltage power line carrier (Power Line Carrier, abbreviation PLC) communication technology is with low-voltage distribution wire
(380V/220V power line) carries out a kind of specific communication mode of the transmission such as data or voice as information transmitting medium.Due to
Supply network itself is the telecommunication media of a kind of convenience, low cost, high reliability so that power line carrier communication become it is convenient,
At low cost, easy realization.With the development of voltage power-line carrier communication technology, power line carrier communication has started to be applied to long-range
In the tele-control systems such as meter reading, Street lamps control.
Road lighting is one of chief component in the communal facility in city, right with the quickening of urban construction and development
More stringent requirements are proposed for road lighting, such as long-range control, energy conservation, malfunction monitoring etc..Area networking control is realized to street lamp
System just must have telecommunication transmission system as support, and PLC technology is based on original public lighting circuit, as number
The transmission channel of word signal completes the transmission of signal on high frequency carrier.Using the power line between existing street lamp as basic
Framework, so that it may achieve the purpose that data communication, not need modification or rewiring, also do not deposited for the cable being used for transmission
In particular/special requirement.
But due to the complexity of domestic power grid, such as when residential electricity consumption, load is constantly accessed, is disconnected, in difference
Moment can generate different attenuations to carrier signal, and carrier signal is easily dry by radio broadcasting and antenna noise
It disturbs.When signal modulation is on power line, in the peak point easily lossing signal in each period, therefore carrier signal is in power line
On transmission accuracy be frequently not fine.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of intelligent road-lamp hardware system based on power line carrier communication.
A kind of intelligent road-lamp hardware system based on power line carrier communication, including at least lamp stand, is set to the lamp stand
It is equipped with single-lamp controller inside the lamp cap at top, the wick being set in the lamp cap, the lamp cap or lamp stand and power line carries
Wave communication terminal, the power line carrier communication terminal are connected with the concentration for integrating street lamp information in certain area by power line
Controller；
The power line carrier communication terminal mainly uses power line carrier communication chip LME2200C, the chip
LME2200C passes sequentially through low-pass filter circuit, power amplification circuit connection coupling circuit, and the coupling circuit are filtered by band logical
Wave circuit accesses the chip LME2200C；The chip LME2200C is bi-directionally connected with the single-lamp controller；
The coupling circuit mainly include coupling transformer, and the coupling transformer primary and secondary is respectively connected with transient state and inhibits two
Pole pipe P6KE12C；The coupling circuit are connected with zero cross detection circuit, and the zero cross detection circuit mainly uses NPN triode
The light emitting diode of optocoupler is driven, while adding pull-up resistor in receiving end to judge signal phase, and input the chip
The SYNC pin of LME2200C, the benchmark synchronous as transmitting-receiving；
The Centralized Controller mainly includes micro-control unit, power line carrier communication unit, GPRS communication unit, ether
Network Communication unit, serial communication unit, the GPRS communication unit, the ethernet communication unit, the serial communication unit
It is bi-directionally connected with the micro-control unit；The power line carrier communication unit includes three independent power line carrier communications
Module is respectively connected to A, B, C three-phase of three-phase alternating current, and seals in trap in four line of AC three-phase；The power line
Carrier communication module connects the micro-control unit by the serial communication unit；
The Centralized Controller connects remote control center by GPRS network or Ethernet.
Further, monitoring probe, sound equipment, display screen, environmental monitoring component, electric car are equipped with outside the lamp stand to fill
Electric equipment, inspection well cover supervise equipment, and the monitoring probe accesses public security internal surveillance system, the sound equipment, the display screen, institute
It states environmental monitoring component, the charging equipment of electric automobile and inspection well cover supervision equipment and is all connected with the single-lamp controller；
The environmental monitoring component mainly includes temperature detector, moisture detector, PM2.5 detector and microwave radar inspection
Survey device；The charging equipment of electric automobile includes the electric car charging socket being set on the lamp stand and barcode scanning payment dress
It sets, the barcode scanning payment device connects the single-lamp controller；The inspection well cover supervision equipment wireless connection is set to street nearby
Well lid condition checkout gear inside road community inspection shaft；The single-lamp controller is set to inside the lamp stand, in the lamp stand
Portion is additionally provided with WIFI hot spot equipment, and the WIFI hot spot equipment is wirelessly connected the region Centralized Controller.
Further, the temperature detector and the moisture detector use temperature and humidity compound transducer DHT21, institute
PM2.5 detector is stated using DSM501 dust sensor；The microwave radar detection device uses doppler radar device
HB100。
The utility model has the beneficial effects that providing the hardware plan of complete set, guarantee that signal can preferably at home
Realize that information exchange, stability are high, portable strong on power line；In addition, also providing the street lamp based on power line carrier communication
Intelligent Plan is integrated into numerous on street lamp with the closely bound up content of resident living, while significantly facilitating resident living,
Repetition is also largely avoided to arrange net bring increased costs.
Detailed description of the invention
Fig. 1 is power line carrier communication terminal primary structure schematic diagram；
Fig. 2 is LME2200C chip interior logic block-diagram；
Fig. 3 is LME2200C chip transmission circuit figure；
Fig. 4 is coupling circuit circuit diagram；
Fig. 5 is zero cross detection circuit circuit diagram；
Fig. 6 is Centralized Controller primary structure schematic diagram；
Fig. 7 is DHT21 interface circuit figure；
Fig. 8 is the structure drawing of device of DSM501.
Specific embodiment
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.The utility model
Embodiment is given for the purpose of illustration and description, and be not be limited to exhaustively or by the utility model it is disclosed
Form.Many modifications and variations are obvious for the ordinary skill in the art.Selection and description are implemented
Example be in order to more preferably illustrate the principles of the present invention and practical application, and make those skilled in the art it will be appreciated that
The utility model is to design various embodiments suitable for specific applications with various modifications.
Embodiment 1
A kind of intelligent road-lamp hardware system based on power line carrier communication, including at least lamp stand, is set to the lamp stand
It is equipped with single-lamp controller inside the lamp cap at top, the wick being set in the lamp cap, the lamp cap or lamp stand and power line carries
Wave communication terminal, the power line carrier communication terminal are connected with the concentration for integrating street lamp information in certain area by power line
Controller；
The power line carrier communication terminal, as shown in Figure 1, power line carrier communication chip LME2200C is mainly used,
Its internal logic block diagram is shown in Fig. 2, transmission circuit figure see Fig. 3, the chip LME2200C pass sequentially through low-pass filter circuit,
Power amplification circuit connects coupling circuit, and the coupling circuit access the chip LME2200C by bandwidth-limited circuit；Institute
Chip LME2200C is stated to be bi-directionally connected with the single-lamp controller.
The signal of transmission is output to coupling circuit by crossing ROUT+, ROUT- pin by passing through after low-pass filtering, power amplification,
It couples a signal on power line；Received signal then passes through coupling circuit and bandwidth-limited circuit is input to LME2200C.This
In embodiment, low-pass filter circuit is mainly made of R28, L5, C38, L6, and effect is to filter out high-frequency signal and smooth
The waveform of DAC output, guarantees the impedance matching between front stage, to achieve the purpose that smoothly to transmit signal inside LME2200C；
Filtered signal is amplified by power amplifier TPA0112 and is connected on power line through overcoupled circuits.Power amplifier
The enable end EN of TPA 0112 connects the TX-BUSY pin of LME2200C, and when data frame is in transmission state, TX-BUSY is low electricity
It is flat, TPA0112 is enabled after phase inverter.The FEINP and FEINN of LM E22O0C is the positive negative input of interior forward end amplifier
End, when receiving data, the signal obtained from coupling circuit enters amplifier in piece by FEINP and FEINN pin and amplifies, and puts
Signal after big is sent after the filtering of the bandwidth-limited circuit of the compositions such as R16, C14, C15 outside piece to the RXIN of LME2200C chip
Pin is completed the reception of data packet by piece inner receiver.
The coupling circuit circuit diagram is shown in Fig. 4, mainly includes coupling transformer, and the coupling transformer primary and secondary is all connected with
There is Transient Suppression Diode P6KE12C, when occurring the over-voltage of moment and impact on power grid, voltage clamp can allowed
In the range of, to guarantee that other elements are not damaged.Coupling circuit are that carrier signal outputs and inputs access, its main work
With being the power frequency that 220V/50Hz is isolated, efficient coupling effect is provided under the premise of guaranteeing safety, reliability, in addition also
The transmission requirement for meeting high-frequency signal provides enough bandwidth, good phase, impedance operator and lesser effective attenuation
Deng.The primary coil of coupling transformer T1 primary coupled capacitor C23 and transformer constitutes a high-pass filter, prevents 50Hz's
Power current and decay as much as possible low frequency signal and interference signal, consume residual when resistance R31 and R32 then are used to power off
Charge at coupled capacitor both ends.
The coupling circuit are connected with zero cross detection circuit, and the zero cross detection circuit circuit diagram is shown in Fig. 5, main to use
NPN triode drives the light emitting diode of optocoupler, while signal phase is judged plus pull-up resistor in receiving end, and described in input
The SYNC pin of chip LME2200C, the benchmark synchronous as transmitting-receiving.Zero cross detection circuit uses optocoupler zero passage technology, makes below
Circuit is not directly contacted with 220V alternating current, utmostly ensure that safety.
The Centralized Controller, as shown in fig. 6, mainly logical including micro-control unit, power line carrier communication unit, GPRS
Believe unit, ethernet communication unit, serial communication unit, the GPRS communication unit, the ethernet communication unit, the string
Port communications unit is bi-directionally connected with the micro-control unit；The power line carrier communication unit includes three independent electric power
Line carrier communication module is respectively connected to A, B, C three-phase of three-phase alternating current, and seals in trap in four line of AC three-phase；
The Power Line Carrier Communication Module connects the micro-control unit by the serial communication unit, thus realize concentrator with
A, the matched street lamp of B, C three-phase carries out independent communication.To reduce interphase interference and carrier signal to carrier signal tune
It makes, the interference of the influence and digital circuits section of demodulation power supply to carrier signal, respectively in AC three-phase four in hardware design
Trap is sealed in line, on the one hand high-frequency signal is prevented to send to unwanted direction;On the other hand, also inhibit high-power negative
The influence of load and its noise to carrier system, filters out unwanted signal, to improve carrier communication quality.
The Centralized Controller connects remote control center by GPRS network or Ethernet, this part is in the prior art
It is widely used, details are not described herein.
For the intelligence degree for improving street lamp, the lamp stand outside is equipped with monitoring probe, sound equipment, display screen, environmental monitoring
Component, charging equipment of electric automobile, inspection well cover supervise equipment, and the monitoring probe accesses public security internal surveillance system, the sound
Loud, the described display screen, the environmental monitoring component, the charging equipment of electric automobile and inspection well cover supervision equipment are all connected with
The single-lamp controller,
Monitoring probe is set on lamp stand, reduces the quantity of additional probe support bar, while reducing power-supply wiring, is reduced
The cost of its net engineering.The setting of sound equipment, display screen can be used for playing the information such as Domestic News, media advertising.Environmental monitoring
Component is monitored street lamp ambient enviroment, and gives real-time display, while can be according to street lamp current vehicle flow and flow of the people
Control the power of light.Charging equipment of electric automobile depends on street lamp, equally reduces additional power-supply wiring, economizes on resources,
Conducive to the popularization of New-energy electric vehicle.Inspection well cover supervision equipment is for integrating all inspection well cover placement situations of street community, really
Guarantor goes wrong, at the first time find, reduce because of inspection shaft losing of cover, dig caused by accident.Above various functions, are all based on
Street lamp is widely laid with and ready-made power supply system in street community, and numerous contents closely bound up with resident living are integrated
Onto street lamp, while significantly facilitating resident living, also largely avoids repetition and arrange net bring increased costs.
The environmental monitoring component mainly includes temperature detector, moisture detector, PM2.5 detector and microwave radar inspection
Survey device.The temperature detector and the moisture detector use temperature and humidity compound transducer DHT21, and interface circuit figure is such as
Shown in Fig. 7；The PM2.5 detector uses DSM501 dust sensor, and the sensor is using it to the more sensitive original of population
Reason, using PWM non-inverting output, accuracy is high, can directly monitoring particulate diameter be 0.5 μm or more particle, because
This can be used for measuring the concentration of PM2.5；And sensor internal is equipped with internal heat, promotes air circulation, realizes certainly
Dynamic measurement, the apparatus structure of DSM501 are as shown in Figure 8；The microwave radar detection device uses doppler radar device
HB100。
The charging equipment of electric automobile includes the electric car charging socket being set on the lamp stand and barcode scanning payment
Device, the barcode scanning payment device connect the single-lamp controller；Near the inspection well cover supervision equipment wireless connection is set to
Well lid condition checkout gear inside the inspection shaft of Street Community；The single-lamp controller is set to inside the lamp stand, the lamp stand
Inside is additionally provided with WIFI hot spot equipment, and the WIFI hot spot equipment is wirelessly connected the region Centralized Controller.
Barcode scanning is paid technology gradually mature, is widely used in social life, such as the payment of Alipay barcode scanning, micro-
The payment of letter barcode scanning rubs and visits bicycle barcode scanning payment etc., is described herein not as the technology emphasis of the application.
Obviously, described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.
Based on the embodiments of the present invention, this field and those of ordinary skill in the related art are not making creative work
Under the premise of every other embodiment obtained, all should belong to the utility model protection range.
Claims (3)
1. a kind of intelligent road-lamp hardware system based on power line carrier communication including at least lamp stand, is set to the lamp stand top
The lamp cap in portion, the wick being set in the lamp cap, which is characterized in that be equipped with inside the lamp cap or lamp stand single-lamp controller and
Power line carrier communication terminal, the power line carrier communication terminal is connected with by power line integrates street lamp letter in certain area
The Centralized Controller of breath；
The power line carrier communication terminal mainly uses power line carrier communication chip LME2200C, the chip LME2200C
Low-pass filter circuit, power amplification circuit connection coupling circuit are passed sequentially through, the coupling circuit are connect by bandwidth-limited circuit
Enter the chip LME2200C；The chip LME2200C is bi-directionally connected with the single-lamp controller；
The coupling circuit mainly include coupling transformer, and the coupling transformer primary and secondary is respectively connected with Transient Suppression Diode
P6KE12C；The coupling circuit are connected with zero cross detection circuit, and the zero cross detection circuit mainly uses NPN triode to drive
The light emitting diode of optocoupler, while pull-up resistor is added to judge signal phase in receiving end, and inputs the chip LME2200C
SYNC pin, the benchmark synchronous as transmitting-receiving；
The Centralized Controller mainly includes micro-control unit, power line carrier communication unit, GPRS communication unit, ether Netcom
Believe unit, serial communication unit, the GPRS communication unit, the ethernet communication unit, the serial communication unit with
The micro-control unit is bi-directionally connected；The power line carrier communication unit includes three independent power line carrier communication moulds
Block is respectively connected to A, B, C three-phase of three-phase alternating current, and seals in trap in four line of AC three-phase；The power line carries
Wave communication module connects the micro-control unit by the serial communication unit；
The Centralized Controller connects remote control center by GPRS network or Ethernet.
2. the intelligent road-lamp hardware system according to claim 1 based on power line carrier communication, which is characterized in that described
Monitoring probe, sound equipment, display screen, environmental monitoring component, charging equipment of electric automobile, inspection well cover is equipped with outside lamp stand to supervise and set
Standby, the monitoring probe accesses public security internal surveillance system, the sound equipment, the display screen, the environmental monitoring component, described
Charging equipment of electric automobile and inspection well cover supervision equipment are all connected with the single-lamp controller；
The environmental monitoring component mainly includes temperature detector, moisture detector, PM2.5 detector and microwave radar detection
Device；The charging equipment of electric automobile includes the electric car charging socket being set on the lamp stand and barcode scanning payment device,
The barcode scanning payment device connects the single-lamp controller；The inspection well cover supervision equipment wireless connection is set to street society nearby
Well lid condition checkout gear inside area's inspection shaft；The single-lamp controller is set to inside the lamp stand, inside the lamp stand also
Equipped with WIFI hot spot equipment, the WIFI hot spot equipment is wirelessly connected the Centralized Controller.
3. the intelligent road-lamp hardware system according to claim 2 based on power line carrier communication, which is characterized in that described
Temperature detector and the moisture detector use temperature and humidity compound transducer DHT21, and the PM2.5 detector uses
DSM501 dust sensor；The microwave radar detection device uses doppler radar device HB100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820203542.2U CN208190982U (en) | 2018-02-06 | 2018-02-06 | A kind of intelligent road-lamp hardware system based on power line carrier communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820203542.2U CN208190982U (en) | 2018-02-06 | 2018-02-06 | A kind of intelligent road-lamp hardware system based on power line carrier communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208190982U true CN208190982U (en) | 2018-12-04 |
Family
ID=64439771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820203542.2U Expired - Fee Related CN208190982U (en) | 2018-02-06 | 2018-02-06 | A kind of intelligent road-lamp hardware system based on power line carrier communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208190982U (en) |
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2018
- 2018-02-06 CN CN201820203542.2U patent/CN208190982U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Haijun Inventor after: Yu Huadong Inventor after: Li Kunda Inventor after: Qiu Sihai Inventor before: Wang Haijun Inventor before: Yu Huadong Inventor before: Li Kunda Inventor before: Qiu Sihai |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 Termination date: 20200206 |