CN101702852A - Intelligent road-lamp road-section exchanger - Google Patents
Intelligent road-lamp road-section exchanger Download PDFInfo
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- CN101702852A CN101702852A CN200910224687A CN200910224687A CN101702852A CN 101702852 A CN101702852 A CN 101702852A CN 200910224687 A CN200910224687 A CN 200910224687A CN 200910224687 A CN200910224687 A CN 200910224687A CN 101702852 A CN101702852 A CN 101702852A
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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
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Abstract
The invention discloses an intelligent road-lamp road-section exchanger. The road-section exchanger controls a plurality of road lamp terminal controllers, and each road lamp terminal controller respectively controls a plurality of road lamps; the road-section exchanger comprises a power module, a centralized control module and a communication module, wherein the centralized control module is respectively connected with the power module and the communication module; and the communication module comprises a carrier wave communication module or/and a GPRS communication module or/and a Zigbee communication module. The intelligent road-lamp road-section exchanger provided by the invention and used for intelligent illuminating systems can realize controlling one point by multiple points: multiple light sources with different functions on the same lamp post can be controlled independently or entirely.
Description
Technical field
The invention belongs to field of intelligent control technology, relate to a kind of road-lamp road-section exchanger, relate in particular to a kind of intelligent road-lamp road-section exchanger that is used for intelligent illuminating system.
Background technology
Along with development of times, the urban modernization pace of construction is constantly accelerated, demand to city illumination is also bigger, the mode of existing illuminating system using on-site maintenance and management, regularly street lamp is overhauled by the maintenance staff, do not have effective monitoring means, can not grasp the ruuning situation of street lamp at any time.Simultaneously, most of illuminator can only be that unit carries out simple switch control to lighting apparatus with the zone, the energy waste phenomenon is serious, the hommization of grouping energy-saving control method shortcoming, can not realize information fusion and remote centralized control, to the suitable difficulty of the maintenance of lighting apparatus, also exist, circuit antitheft antitheft powerless etc. simultaneously to lighting apparatus.And along with city's constant development, control range is increasing, and existing control method can't in time reflect the ruuning situation of lighting installation, makes maintenance work very passive.Failure problems in the running has only the tour of wait personnel to reach the spot and could find, perhaps waits for civic phone reflection passively.
Continuous variation along with the illuminator application scenario, applicable cases is also progressively complicated and rich and varied, such as city illumination, tunnel illumination, long apart from collecting and distributing centre illuminations such as bridge illumination, port and pier airport etc. to control requirement raisings thereupon such as control range, control modes.From control range, existing point control mode and Region control mode are directly controlled single lamp and can't have been satisfied modern lighting control request to the mode in certain regional extent illumination control; From control mode, the existing method of simply switch being controlled can not be finished needed control.
In order to satisfy the demand of urban construction and development, accomplish to realize green illumination simultaneously, improve the efficiency of management and reduce operating cost that each company has proposed solution separately one after another both at home and abroad to road lighting and Landscape Lighting.
Patent of invention " energy-saving intelligent lighting control system and method thereof " (grant number: ZL02137581.X), proposed by with spread spectrum power carrier communication control street lamp front controller, the power output by the dynamic control and management lighting source of TPO mode realize to any light source unlatching, close, merit falls in timesharing and running status detects control.
Patent of invention " digital addressable illumination control system and method " (application number: 200810120682.4), proposed a kind of DALI of improvement interface and realized the digital addressable lighting control of long-range and local controlled function from node with long-range and local controlled function.
Patent of invention " environment-friendly type intelligent road lamp current-reducing energy-saving control apparatus and method " (application number: 200610025458.8), adopt many taps to fall power ballast and realize falling Current Control.
Above-mentioned road lamp energy-saving control device and method comprise wireless communication technique mostly, the extension frequency carrier mechanics of communication, and power energy-saving falls in the regularly open and close of Long-distance Control street lamp, the single lamp of timing.There is following problem:
1, electric line carrier communication needs the street lamp power supply, road lamp power supply industrial siding, be difficult in most of cities realize, and interference free performance is lower, and system reliability is relatively poor.The communication distance of existing power carrier communication has only tens meters, and the highest also have only hundreds of rice.
2, timesharing to the unlatching of single lamp, close, timesharing falls merit and adopts a plurality of switch cubicles are set, electromagnetic mode is adopted in the stepping step-down, though reached certain power savings, consumes material and greatly still has the energy and environmental problem.
3, adopt the DALI standard agreement to realize that the method for master-slave mode Long-distance Control exists operating distance near, thereby from the few little shortcoming of system's control capacity that causes of node.
4, fixedly step-down mode power saving rate is low, simultaneously causes voltage instability easily, has a strong impact on street lamp useful life.
5, system or equipment mostly lacks the self-protection function, or defencive function is incomplete.
6, lack meteorological interlock, cable anti-theft alarm, functions such as dynamic electronic map demonstration, controlled function is single, is difficult to adapt to the demand that the modern city street lamp is built.
Summary of the invention
Technical problem to be solved by this invention is: a kind of intelligent road-lamp road-section exchanger that is used for intelligent illuminating system is provided, can eliminates the deficiencies in the prior art part.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of intelligent road-lamp road-section exchanger, this road-section exchanger are controlled some street lamp terminal control units, and each street lamp terminal control unit is controlled some street lamps respectively; Described road-section exchanger comprises power module, centralized control module, communication module, and described centralized control module is connected with power module, communication module respectively; Described communication module comprise carrier communication module or/and the GPRS communication module or/and the Zigbee communication module.
As a preferred embodiment of the present invention, described power module comprises transformer, rectification circuit, voltage stabilizing circuit and the filter circuit that connects successively; Electric main 220V input power module provides power supply for respectively centralized control module, carrier communication module, GPRS communication module and Zigbee communication module by the different direct voltages of output multichannel after transformer step-down, full-bridge ballast, voltage stabilizing, the filtering.
As a preferred embodiment of the present invention, described centralized control module comprises real time clock circuit, FLASH memory circuit, SDRAM circuit, power monitoring module, network interface circuit, serial port circuit, debug circuit; Real time clock circuit comprises real-time timepiece chip and lithium battery, and real-time clock for the real time clock circuit power supply, guarantees the accurate operation of time under the situation of system cut-off; Under the situation that system has a few, lithium battery charges automatically; Debug circuit adopts serial mode to communicate by letter with PC, is used for carrying out system testing and debugging and later stage system's relevant parameter and is configured when product development; The SDRAM circuit in system mainly as running space, data and the stack area of program, when system start-up, CPU at first reads start-up code, after the initialization of finishing system, program code is called in the SDRAM circuit and is moved, to improve the speed of service of system, simultaneously, system and user stack, service data also all are placed in the SDRAM circuit; The FLASH memory circuit is used for the code of system to be deposited, the storage of the user data that constant table and needing after system's power down keeps; Network interface circuit is the important communication interface of intelligent road-lamp road-section exchanger, realize whole 10/100M ethernet physical layer functions, comprise physical layer encodes sublayer, physical layer medium connection device, twisted-pair feeder physical media relevant sublayer, 10Base-Tx encoding and decoding and twisted-pair feeder medium access unit; Described network interface circuit can use in NIC, MAU, CNR, ACR, Ethernet HUB, Ethernet switch, be used for simultaneously any have twisted-pair feeder physically of ethernet mac and needs to connect or optical fiber PECL interface with the embedded system of the 100base-FX fiber optical transceiver module that connects an outside.
As a preferred embodiment of the present invention, described carrier communication module adopts some single-phase carrier circuit cascades to form, and every single-phase carrier communication circuit comprises carrier Control chip, carrier signal radiating circuit, carrier signal receiving circuit and run indicator; The radiation pattern of carrier signal is that the carrier signal of carrier chip is modulated on the power line after amplifying; Carrier signal receive to adopt the single-stage resonance manner, after doing buffering and isolate by voltage follower, again through comparison circuit output, at last signal is passed to carrier chip and handles; Carrier circuit operating state run indicator is used for carrier signal transmitting-receiving indication and rs 232 serial interface signal transmitting-receiving indication.
As a preferred embodiment of the present invention, described carrier communication module adopts three single-phase carrier circuit cascades to form.
As a preferred embodiment of the present invention, described GPRS communication module comprises TCP/IP one-chip computer module, GPRS module, SIM card seat, external interface and growth data memory; One-chip computer module is mainly realized initialization GPRS wireless module, connects with the purpose terminal; Be connected with centralized control module by external interface, utilize centralized control module to communicate, realize the expansion of intelligent road-lamp road-section exchanger communication mode by serial port protocol; The growth data memory portion is used to store embedded real-time operating system and procotol as program storage; The GPRS communication module is as radio receiving transmitting module, transmits after the grouped data that the IP bag of coming from single-chip microcomputer or base station are transmitted is handled accordingly again.
As a preferred embodiment of the present invention, described Zigbee communication module adopts the radio-frequency (RF) transmitter of 2.4GHzIEEE802.15.4 standard, and its peripheral circuit comprises crystal oscillator clock circuit, radio frequency I/O match circuit and Centralized Controller interface circuit; The chip local oscillation signal is provided by the external active crystal oscillator, or is provided by internal circuit; Radio frequency I/O match circuit is mainly used to the input and output impedance of matching chip, provides direct current biasing for chip simultaneously; The Centralized Controller interface circuit is realized the expansion of intelligent road-lamp road-section exchanger communication mode, is provided with that mode of operation, the read/write of Zigbee chip is data cached, the read/write status register, emission/reception buffer is set by Centralized Controller.
As a preferred embodiment of the present invention, described intelligent road-lamp road-section exchanger also connects a remote control center, remote control center is controlled each the street lamp terminal control unit that is connected with this intelligent road-lamp road-section exchanger long-range by intelligent road-lamp road-section exchanger, thereby controls each street lamp.Described remote control center sends control signal to intelligent highway section controller and returns the working status parameter of all controlled devices that comprise each controlling object, each street lamp terminal control unit, each intelligent highway section controller, control the street lamp of system-wide section, or control the street lamp in some/a plurality of highway sections.
Beneficial effect of the present invention is: the present invention adopts computer technology, computer networking technology, various novel bussing technique and automatic technology etc. to be applied in the illumination control, advanced technology, under the situation that does not influence original distribution facility, install, short construction period, the construction cost expense is low.System can break away from control centre and independently move according to preset program; Not only all working parameter can be carried out long-range setting and modification by network, the user also can make up the running parameter of each terminal voluntarily according to field condition (as all kinds such as full night-light, evening lamps), thereby both guaranteed the versatility of monitoring terminal equipment, the system that guaranteed again has great flexibility.
The intelligent road-lamp road-section exchanger that is used for intelligent illuminating system that the present invention proposes can realize that single-point controls more, single or whole controls of a plurality of difference in functionality light sources on lamppost; Realize single lamp control, independent control can be carried out to any light source in the road completely; Realize single lamp power transfer, to changing existing power under the situation that does not change existing product; Realize that power control falls in single lamp, controls and power transfer under the situation to the existing power transfer function of user; Realize the remote control terminal independent operating; Realize long-range geographical position display; Realize variable frequency starting/automatic voltage regulation function; Realize automatic/artificial light modulation; Default, the instant control of implementation, electric power monitoring, system failure warning, statistical analysis and inquiry, system maintenance and management.
The user can be according to the real road illuminating position, and science is set energy-conservation time and energy-conservation ratio and adopted the new power energy-saving mode operation that falls, and when the power open shop fell in whole process, economize on electricity can reach 30%～40%.Being used of whole system, high node can reach 60%; Simultaneously, but system's long-distance intelligent control street lamp, fog lamp and Landscape Lamp etc., when control is integrated, can save system's current supply circuit cable, panel switches facility and construction work amount, after adopting method of the present invention, can be with control respectively on the shared loop cable in the light source loop of difference in functionality, realize the functional requirement of difference in functionality, it only is example with the cable, lay 10 kilometers cables, street lamp and fog lamp are installed simultaneously, can be saved cable 10*2*1000*94.61=1892200 unit (cable model VV22 4*35+1*16 Shanghai in October, 2008 offer 94.61 yuan/M calculate); Adopt single lamp frequency conversion to open the voltage regulation operation measure, can reduce mains ripple to system and lamp life influence, on average can prolong the light fixture actual conditions life-span more than 1.5 times, not only reduced the light fixture loss, also greatly saved the purchase commodity and the replacement cost of light fixture, especially effect is remarkable aspect the saving maintenance cost; System for field ruuning situation automation control does not need the road occupying inspection of setting out on a journey of the personnel of expressing, vehicle, has not only reduced and has patrolled lamp personnel and vehicle loss, has reduced maintenance cost, saves the manpower expenditure, has reduced emission from vehicles yet.
Description of drawings
Fig. 1 is the composition schematic diagram of intelligent road-lamp road-section exchanger of the present invention.
Fig. 2 is the composition schematic diagram of centralized control module.
Fig. 3 is the composition schematic diagram of power module.
Fig. 4 is the composition schematic diagram of power carrier module.
Fig. 5 is the composition schematic diagram of GPRS communication module.
Fig. 6 is the composition schematic diagram of the intelligent lighting system of the Internet architecture.
Fig. 7 is the composition schematic diagram of the intelligent lighting system of GPRS structure.
Embodiment
Describe the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
Embodiment one
The present invention has disclosed a kind of intelligent road-lamp road-section exchanger, and this road-section exchanger can independently use, and a part that also can be used as intelligent lighting system is used.When intelligent terminal controller used as intelligent lighting system, intelligent lighting system comprised remote control center, some intelligent road-lamp road-section exchangers, some intelligent terminal controllers, some controlling object (can consult Fig. 6, Fig. 7); Controlling object comprises all kinds of lighting apparatus and motor device.Described remote control center sends control signal to intelligent highway section controller and returns the working status parameter of all controlled devices that comprise each controlling object, each street lamp terminal control unit, each intelligent highway section controller, control the street lamp of system-wide section, or control the street lamp in some/a plurality of highway sections.The present invention introduces intelligent road-lamp road-section exchanger.
See also Fig. 1, the intelligent road-lamp road-section exchanger that the present invention discloses comprises centralized control module 11, power module 12, communication module, and described centralized control module 11 is connected with power module 12, communication module respectively.Described communication module can comprise one or more in carrier communication module 13, GPRS communication module 14, the Zigbee communication module 15; In the present embodiment, communication module comprises carrier communication module 13, GPRS communication module 14, Zigbee communication module 15.
That below introduces intelligent terminal controller respectively respectively forms module.
[centralized control module]
See also Fig. 2, centralized control module 11 comprises central processing unit 111, real time clock circuit (RTC circuit) 112, FLASH memory circuit 113, SDRAM circuit 114, power monitoring module 118, network interface circuit (ETHERNET circuit) 115, serial port circuit (UART circuit) 116, debug circuit (TEST circuit) 117.
Real time clock circuit 112 comprises real-time timepiece chip and lithium battery, and real-time clock for the real time clock circuit power supply, guarantees the accurate operation of time under the situation of system cut-off, and under the situation that system has a few, lithium battery charges automatically.
Debug circuit 117 adopts serial mode to communicate by letter with PC, is used for carrying out system testing and debugging and later stage system's relevant parameter and is configured when product development.
SDRAM circuit 114 is mainly made the running space of program in system, data and stack area, when system start-up, CPU at first reads start-up code, after the initialization of finishing system, program code is called among the SDRAM and is moved, to improve the speed of service of system, simultaneously, system and user stack, service data also all are placed among the SDRAM.
FLASH memory circuit 113 is used for the code of system to be deposited, and constant table and some need the storage of user data of keeping etc. after system's power down.
ETHERNET telecommunication circuit 115 is the important communication interface of intelligent road-section exchanger, realize whole 10/100M ethernet physical layer functions, comprise physical layer encodes sublayer, physical layer medium connection device, twisted-pair feeder physical media relevant sublayer, 10Base-Tx encoding and decoding and twisted-pair feeder medium access unit.This interface circuit can be at NIC, MAU, CNR, ACR, use in Ethernet HUB, the Ethernet switch, also can be used in addition any have twisted-pair feeder physically of ethernet mac and needs to connect or optical fiber PECL interface with the embedded system of the 100base-FX fiber optical transceiver module that connects an outside.
[power module]
See also Fig. 3, power module 12 comprises transformer 121, rectification circuit 122, voltage stabilizing circuit 123 and the filter circuit 124 that connects successively.Electric main 220V input provides power supply for respectively centralized control module 11, carrier communication module 13, GPRS communication module 14 and Zigbee communication module 15 by the different direct voltages of output multichannel after transformer step-down, full-bridge ballast, voltage stabilizing, the filtering.
[carrier communication module]
See also Fig. 4, carrier communication module 13 adopts three single-phase carrier circuit cascades to form; Certainly, can be the carrier circuit of other numbers as required.Every single-phase carrier communication circuit comprises carrier Control chip, carrier signal radiating circuit, carrier signal receiving circuit and run indicator.
The radiation pattern of carrier signal is that the carrier signal of carrier chip is modulated on the power line after amplifying; Carrier signal receive to adopt the single-stage resonance manner, after doing buffering and isolate by voltage follower, again through comparison circuit output, at last signal is passed to carrier chip and handles.Carrier circuit operating state run indicator is used for carrier signal transmitting-receiving indication and rs 232 serial interface signal transmitting-receiving indication.
[GPRS communication module]
See also Fig. 5, GPRS communication module 14 comprises that TCP/IP one-chip computer module 141, GPRS module 142, SIM card seat 143, external interface (comprising serial interface circuit 145) and growth data memory 144 etc. partly form.
The one-chip computer module 141 main initialization GPRS communication modules 14 that realize connect with the purpose terminal; Be connected with centralized control module 11 by serial interface circuit 145, utilize centralized control module 11 to communicate, realize the expansion of intelligent road-section exchanger communication mode by serial port protocol.Growth data memory 144 parts can be used as program storage, are used to store embedded real-time operating system and procotol.GPRS communication module 14 is as radio receiving transmitting module, transmits after the grouped data that the IP bag of coming from single-chip microcomputer or base station are transmitted is handled accordingly again.
[Zigbee communication module]
Zigbee communication module 15 adopts the radio-frequency (RF) transmitter of 2.4GHz IEEE802.15.4 standard, and its peripheral circuit comprises crystal oscillator clock circuit, radio frequency I/O match circuit and Centralized Controller interface circuit.
The chip local oscillation signal is provided by the external active crystal oscillator, also can be provided by internal circuit, adopts the external active crystal oscillator to provide in the present embodiment.Radio frequency I/O match circuit is mainly used to the input and output impedance of matching chip, provides direct current biasing for chip simultaneously.The Centralized Controller interface circuit is realized the expansion of intelligent road-section exchanger communication mode, can be provided with that mode of operation, the read/write of Zigbee chip is data cached, the read/write status register, emission/reception buffer etc. is set by Centralized Controller.
In sum, the present invention adopts microcomputer technology and PLC technology that street lamp and fog lamp are carried out intelligent management.Adopt modularized design, under the prerequisite that does not influence lamp installation, short construction period, construction cost is low, can realize the multi-mode scheme of turning on light; Make the intelligent road-lamp control system have the controlled function of remote switch street lamp by appropriate design, the function of remote adjustment street lamp power, the measuring ability of the function of Long-distance Control fog lamp switch or flicker and remote monitoring bulb quality.System is according to the Automatic Program operation that is provided with, and saves energy and maintenance cost reduce running cost; And all running statuses of the present invention can be sent to the far-end host computer by wireless communication module, but host computer also far-end control street lamp or fog lamp operation or stop, can also obtaining the light fixture state.
Intelligent lighting system and method that the present invention proposes can realize that single lamp controls more, single or whole controls of a plurality of difference in functionality light sources on lamppost; Realize single lamp power transfer, to changing existing power under the situation that does not change existing product; Realize single lamp control, control and power transfer under the situation to the existing power transfer function of user; Realize the remote control terminal independent operating; Realize long-range geographical position display; Realize variable frequency starting/automatic voltage regulation function; Realize automatic/artificial light modulation; Default, the instant control of implementation, electric power monitoring, system failure warning, statistical analysis and inquiry, system maintenance and management.
The user can be according to the real road illuminating position, and science is set energy-conservation time and energy-conservation ratio and adopted the new power energy-saving mode operation that falls, and when the power open shop fell in whole process, economize on electricity can reach 30%～40%.Being used of whole system, high node can reach 60%; Simultaneously, but system's long-distance intelligent control street lamp, fog lamp and Landscape Lamp etc., when control is integrated, can save system's current supply circuit cable, panel switches facility and construction work amount, after adopting method of the present invention, can be with control respectively on the shared loop cable in the light source loop of difference in functionality, realize the functional requirement of difference in functionality, it only is example with the cable, lay 10 kilometers cables, street lamp and fog lamp are installed simultaneously, can be saved cable 10*2*1000*94.61=1892200 unit (cable model VV22 4*35+1*16 Shanghai in October, 2008 offer 94.61 yuan/M calculate); Adopt single lamp frequency conversion to open the voltage regulation operation measure, can reduce mains ripple to system and lamp life influence, on average can prolong the light fixture actual conditions life-span more than 1.5 times, not only reduced the light fixture loss, also greatly saved the purchase commodity and the replacement cost of light fixture, especially effect is remarkable aspect the saving maintenance cost; System for field ruuning situation automation control does not need the road occupying inspection of setting out on a journey of the personnel of expressing, vehicle, has not only reduced and has patrolled lamp personnel and vehicle loss, has reduced maintenance cost, saves the manpower expenditure, has reduced emission from vehicles yet.The communication distance of existing power carrier communication has only tens meters, and the highest also have only hundreds of rice, the present invention in certain is used controller both sides, single highway section respectively with terminal communication, one-sided communication distance has reached 1km.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here the distortion of disclosed embodiment and change are possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation that does not break away from spirit of the present invention or substantive characteristics, and the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.Under the situation that does not break away from the scope of the invention and spirit, can carry out other distortion and change here to disclosed embodiment.
Claims (10)
1. an intelligent road-lamp road-section exchanger is characterized in that, this road-section exchanger is controlled some street lamp terminal control units, and each street lamp terminal control unit is controlled some street lamps respectively;
Described road-section exchanger comprises power module, centralized control module, communication module, and described centralized control module is connected with power module, communication module respectively;
Described communication module comprise carrier communication module or/and the GPRS communication module or/and the Zigbee communication module.
2. intelligent road-lamp road-section exchanger according to claim 1 is characterized in that:
Described power module comprises transformer, rectification circuit, voltage stabilizing circuit and the filter circuit that connects successively;
Electric main 220V input power module provides power supply for respectively centralized control module, carrier communication module, GPRS communication module and Zigbee communication module by the different direct voltages of output multichannel after transformer step-down, full-bridge ballast, voltage stabilizing, the filtering.
3. intelligent road-lamp road-section exchanger according to claim 1 is characterized in that:
Described centralized control module comprises real time clock circuit, FLASH memory circuit, SDRAM circuit, power monitoring module, network interface circuit, serial port circuit, debug circuit;
Real time clock circuit comprises real-time timepiece chip and lithium battery, and real-time clock for the real time clock circuit power supply, guarantees the accurate operation of time under the situation of system cut-off; Have in system under the situation of electricity, lithium battery charges automatically;
Debug circuit adopts serial mode to communicate by letter with PC, is used for carrying out system testing and debugging and later stage system's relevant parameter and is configured when product development;
The SDRAM circuit in system mainly as running space, data and the stack area of program, when system start-up, CPU at first reads start-up code, after the initialization of finishing system, program code is called in the SDRAM circuit and is moved, to improve the speed of service of system, simultaneously, system and user stack, service data also all are placed in the SDRAM circuit;
The FLASH memory circuit is used for the code of system to be deposited, the storage of the user data that constant table and needing after system's power down keeps;
Network interface circuit is the important communication interface of intelligent road-lamp road-section exchanger, realize whole 10/100M ethernet physical layer functions, comprise physical layer encodes sublayer, physical layer medium connection device, twisted-pair feeder physical media relevant sublayer, 10Base-Tx encoding and decoding and twisted-pair feeder medium access unit; Described network interface circuit can use in NIC, MAU, CNR, ACR, Ethernet HUB, Ethernet switch, be used for simultaneously any have twisted-pair feeder physically of ethernet mac and needs to connect or optical fiber PECL interface with the embedded system of the 100base-FX fiber optical transceiver module that connects an outside.
4. intelligent road-lamp road-section exchanger according to claim 1 is characterized in that:
Described carrier communication module adopts some single-phase carrier circuit cascades to form, and every single-phase carrier communication circuit comprises carrier Control chip, carrier signal radiating circuit, carrier signal receiving circuit and run indicator;
The radiation pattern of carrier signal is that the carrier signal of carrier chip is modulated on the power line after amplifying;
Carrier signal receive to adopt the single-stage resonance manner, after doing buffering and isolate by voltage follower, again through comparison circuit output, at last signal is passed to carrier chip and handles;
Carrier circuit operating state run indicator is used for carrier signal transmitting-receiving indication and rs 232 serial interface signal transmitting-receiving indication.
5. intelligent road-lamp road-section exchanger according to claim 4 is characterized in that:
Described carrier communication module adopts three single-phase carrier circuit cascades to form.
6. intelligent road-lamp road-section exchanger according to claim 1 is characterized in that:
Described GPRS communication module comprises TCP/IP one-chip computer module, GPRS module, SIM card seat, external interface and growth data memory;
One-chip computer module is mainly realized initialization GPRS wireless module, connects with the purpose terminal; Be connected with centralized control module by external interface, utilize centralized control module to communicate, realize the expansion of intelligent road-lamp road-section exchanger communication mode by serial port protocol;
The growth data memory portion is used to store embedded real-time operating system and procotol as program storage;
The GPRS communication module is as radio receiving transmitting module, transmits after the grouped data that the IP bag of coming from single-chip microcomputer or base station are transmitted is handled accordingly again.
7. intelligent road-lamp road-section exchanger according to claim 1 is characterized in that:
Described Zigbee communication module adopts the radio-frequency (RF) transmitter of 2.4GHz IEEE802.15.4 standard, and its peripheral circuit comprises crystal oscillator clock circuit, radio frequency I/O match circuit and Centralized Controller interface circuit;
The chip local oscillation signal is provided by the external active crystal oscillator, or is provided by internal circuit;
Radio frequency I/O match circuit is mainly used to the input and output impedance of matching chip, provides direct current biasing for chip simultaneously;
The Centralized Controller interface circuit is realized the expansion of intelligent road-lamp road-section exchanger communication mode, is provided with that mode of operation, the read/write of Zigbee chip is data cached, the read/write status register, emission/reception buffer is set by Centralized Controller.
8. intelligent road-lamp road-section exchanger according to claim 1 is characterized in that:
Described intelligent road-lamp road-section exchanger also connects a remote control center, and remote control center is controlled each the street lamp terminal control unit that is connected with this intelligent road-lamp road-section exchanger long-range by intelligent road-lamp road-section exchanger, thereby controls each street lamp.
9. intelligent road-lamp road-section exchanger according to claim 8 is characterized in that:
Described remote control center sends control signal to intelligent highway section controller and returns the working status parameter of all controlled devices that comprise each controlling object, each street lamp terminal control unit, each intelligent highway section controller, control the street lamp of system-wide section, or control the street lamp in some/a plurality of highway sections.
10. an intelligent road-lamp road-section exchanger is characterized in that, this road-section exchanger is controlled some street lamp terminal control units, and each street lamp terminal control unit is controlled some street lamps respectively;
Described road-section exchanger comprises power module, centralized control module, communication module, and described centralized control module is connected with power module, communication module respectively;
Described communication module comprises carrier communication module, GPRS communication module, Zigbee communication module;
Described power module comprises transformer, rectification circuit, voltage stabilizing circuit and the filter circuit that connects successively; Electric main 220V input power module provides power supply for respectively centralized control module, carrier communication module, GPRS communication module and Zigbee communication module by the different direct voltages of output multichannel after transformer step-down, full-bridge ballast, voltage stabilizing, the filtering;
Described centralized control module comprises real time clock circuit, FLASH memory circuit, SDRAM circuit, power monitoring module, network interface circuit, serial port circuit, debug circuit; Real time clock circuit comprises real-time timepiece chip and lithium battery, and real-time clock for the real time clock circuit power supply, guarantees the accurate operation of time under the situation of system cut-off; Under the situation that system has a few, lithium battery charges automatically; Debug circuit adopts serial mode to communicate by letter with PC, is used for carrying out system testing and debugging and later stage system's relevant parameter and is configured when product development; The SDRAM circuit in system mainly as running space, data and the stack area of program, when system start-up, CPU at first reads start-up code, after the initialization of finishing system, program code is called in the SDRAM circuit and is moved, to improve the speed of service of system, simultaneously, system and user stack, service data also all are placed in the SDRAM circuit; The FLASH memory circuit is used for the code of system to be deposited, the storage of the user data that constant table and needing after system's power down keeps; Network interface circuit is the important communication interface of intelligent road-lamp road-section exchanger, realize whole 10/100M ethernet physical layer functions, comprise physical layer encodes sublayer, physical layer medium connection device, twisted-pair feeder physical media relevant sublayer, 10Base-Tx encoding and decoding and twisted-pair feeder medium access unit; Described network interface circuit can use in NIC, MAU, CNR, ACR, Ethernet HUB, Ethernet switch, be used for simultaneously any have twisted-pair feeder physically of ethernet mac and needs to connect or optical fiber PECL interface with the embedded system of the 100base-FX fiber optical transceiver module that connects an outside;
Described carrier communication module adopts some single-phase carrier circuit cascades to form, and every single-phase carrier communication circuit comprises carrier Control chip, carrier signal radiating circuit, carrier signal receiving circuit and run indicator; The radiation pattern of carrier signal is that the carrier signal of carrier chip is modulated on the power line after amplifying; Carrier signal receive to adopt the single-stage resonance manner, after doing buffering and isolate by voltage follower, again through comparison circuit output, at last signal is passed to carrier chip and handles; Carrier circuit operating state run indicator is used for carrier signal transmitting-receiving indication and rs 232 serial interface signal transmitting-receiving indication;
Described GPRS communication module comprises TCP/IP one-chip computer module, GPRS module, SIM card seat, external interface and growth data memory; One-chip computer module is mainly realized initialization GPRS wireless module, connects with the purpose terminal; Be connected with centralized control module by serial ports, utilize controller to communicate, realize the expansion of intelligent road-lamp road-section exchanger communication mode by serial port protocol; The growth data memory portion is used to store embedded real-time operating system and procotol as program storage; The GPRS module is as radio receiving transmitting module, transmits after the grouped data that the IP bag of coming from single-chip microcomputer or base station are transmitted is handled accordingly again;
Described Zigbee communication module adopts the radio-frequency (RF) transmitter of 2.4GHz IEEE802.15.4 standard, and its peripheral circuit comprises crystal oscillator clock circuit, radio frequency I/O match circuit and Centralized Controller interface circuit; The chip local oscillation signal is provided by the external active crystal oscillator, or is provided by internal circuit; Radio frequency I/O match circuit is mainly used to the input and output impedance of matching chip, provides direct current biasing for chip simultaneously; The Centralized Controller interface circuit is realized the expansion of intelligent road-lamp road-section exchanger communication mode, is provided with that mode of operation, the read/write of Zigbee chip is data cached, the read/write status register, emission/reception buffer is set by Centralized Controller.
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