CN102917509B - Intelligent digital LED (Light Emitting Diode) drive controller and illumination monitoring system - Google Patents
Intelligent digital LED (Light Emitting Diode) drive controller and illumination monitoring system Download PDFInfo
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- CN102917509B CN102917509B CN201210430136.7A CN201210430136A CN102917509B CN 102917509 B CN102917509 B CN 102917509B CN 201210430136 A CN201210430136 A CN 201210430136A CN 102917509 B CN102917509 B CN 102917509B
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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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- 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
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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Abstract
The invention discloses an intelligent digital LED (Light Emitting Diode) drive controller and an illumination monitoring system. The controller comprises a rectifying and filtering circuit, a power factor adjustment circuit, one or a plurality of groups of independent fly-back topological circuits and one or a plurality of groups of independent output circuits which are sequentially connected, and further comprises an integrated circuit single-chip main control circuit, and an input over-voltage/under-voltage protection circuit, a wireless communication module used for remote control and an interface module used for field control and operation which are connected with the integrated circuit single-chip main control circuit. According to the invention, due to the adoption of the intelligent integrated chip and ZIGBEE technology-based intelligent all-digital power drive controller, the control is flexible and convenient, and the control of load current subjected to various factors on a pre-designed level is effectively guaranteed; on the entire design of the controller circuit, great importance is attached to the three aspects of integrated control, standard modularization and system expansibility; and by adopting the intelligent illumination monitoring system comprising the controller, the controllability, universality and expansibility of the system can be effectively improved.
Description
Technical field
The present invention relates to technical field of LED illumination, specifically refer to a kind of Intelligent Digital power LED driving governor based on intelligent integrated chip and ZigBee technology.
Background technology
In recent years, because energy starved problem is more and more serious, energy-conservationly become a more and more important problem.LED green illumination does not singly represent the developing direction of following green illumination as hi-tech industry, more in environmental protection and energy saving, made example.But, current LED street lamp/Tunnel Lamp or the intelligence degree of other Intelligent lightening devices not high, cannot realize in time, detect street lamp fault exactly and carry out the comprehensive adjustment of switch and brightness, energy-saving efficiency is also not high enough; And the cost of LED intelligent illumination control is at present higher, poor reliability.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of Intelligent Digital power LED driving governor used for LED street lamp/Tunnel Lamp or other Intelligent lightening devices and the Intelligent illumination monitoring system be made up of this controller are provided.
The technical scheme that the present invention takes is as follows: a kind of Intelligent Digital LED driving governor, the PFC power factor regulating circuit comprise current rectifying and wave filtering circuit, being connected with current rectifying and wave filtering circuit, the wireless communication module for Long-distance Control also comprising integrated circuit single-chip governor circuit and be connected with integrated circuit single-chip governor circuit, the interface module for field control or operation, described PFC power factor regulating circuit is connected with integrated circuit single-chip governor circuit; It is characterized in that: be provided with one or more flyback and open up benefit circuit, and correspondence arranges one or more constant current output circuit, described flyback is opened up and is mended that circuit input end is all connected with PFC power factor regulating circuit, control end is all connected with integrated circuit single-chip governor circuit, and output connects the constant current output circuit of correspondence respectively; Multiple constant current output circuit is connected respectively LED multi-path lighting circuit; Integrated circuit single-chip governor circuit can control simultaneously multichannel independently flyback open up benefit circuit, gather each road flyback to open up and mend the feedback signal of circuit and comprehensively analyze and computing simultaneously, to multichannel independently flyback open up and mend the output of circuit and carry out cooperation control, again by multiple constant current output circuit, realize controlling the digital current-sharing of LED multi-path lighting circuit.
Concrete, described flyback is opened up benefit circuit and is comprised a high frequency transformer, this high frequency transformer primary coil one end connects power factor regulating circuit by a switching tube ground connection, the other end, and the conducting of integrated circuit single-chip governor circuit control switch pipe and cut-off realize the transmission of energy between this high frequency transformer primary coil and secondary coil; Also comprise the divider resistance be connected between high frequency transformer primary coil one end and ground; The integrated circuit single-chip governor circuit voltage signal gathered on divider resistance exports corresponding control signals switching tube conducting and closed condition after carrying out computing and process, thus controls output voltage and the electric current of high frequency transformer secondary coil.
Preferably, described flyback opens up the Acquisition Circuit of mending circuit and also comprising the earth terminal current signal to described switching tube, and Acquisition Circuit signal is connected to integrated circuit (IC) chip port.
Preferred, integrated circuit (IC) chip port connects the Acquisition Circuit of the earth terminal current signal of one or more switching tube, by staggered time sharing sampling, thus reduces EMI and reduces costs.
Further, described flyback is opened up and is mended circuit medium/high frequency transformer T1 secondary coil one end connection rectifier diode D12, rectifier diode D12 negative pole is positive output end, the high frequency transformer T1 secondary coil other end is negative output terminal, be connected with filter capacitor between positive and negative output, described filter capacitor adopts electrodeless electric capacity.
Concrete, the described interface module for field control or operation comprises one or more in light-inductive circuit, infrared induction circuit, pressure sensitive circuit, sound sensor circuit.
Concrete, the described wireless communication module for Long-distance Control adopts Zigbee communication module circuit, and integrated circuit single-chip governor circuit is connected to by Zigbee communication module circuit the Long-distance Control that internet net or GSM/GPRS or CDMA or 3G wireless network realize LED controller.
Preferably, described Intelligent Digital LED driving governor also comprises the input overvoltage/under-voltage protecting circuit be connected with integrated circuit single-chip governor circuit.
Intelligent lighting system of the present invention, comprising: monitoring central server and the multiple monitor terminals, cable network terminal control node and the LED street lamp that are connected with this server, Zigbee terminal branch road Controlling vertex and LED street lamp.Described cable network terminal control node is equiped with Intelligent Digital LED driving governor, for controlling each LED street lamp on this node; Cable network terminal control node turns GPRS gateway accessing GPRS network by wired, then accesses Internet network by GPRS network, and then connects with monitoring central server and multiple monitor terminal; Described Zigbee terminal branch road Controlling vertex is equiped with Intelligent Digital LED driving governor; Described Zigbee terminal branch road Controlling vertex turns GPRS gateway accessing GPRS network by Zigbee, then accesses Internet network by GPRS network, and then connects with monitoring central server 1 and multiple monitor terminal 2.
Described intelligent lighting system also comprises Zigbee terminal environments parameter detecting node, the detecting sensor that environment comprises brightness, temperature, humidity parameter is set in these nodes, described transducer is connected with described Intelligent Digital LED driving governor, send the data detected to Intelligent Digital LED driving governor, Intelligent Digital LED driving governor controls accordingly according to setting program, and described data upload to control centre; Or described transducer by wireless network directly and monitor terminal, transmit and detect data and transmit monitor terminal order and collect the state information of Zigbee terminal node.
Compared with prior art, the invention has the beneficial effects as follows:
1, the present invention adopt integrated PFC function integrated circuit (IC) chip and in conjunction with reverse exciting topological control circui technology, only adopt a chip and controllable multi-route reverse exciting topological circuit, realize output cascade, can to multichannel independently flyback open up and mend the output of circuit and carry out cooperation control, realize multichannel individual voltage current precision to export, not by the interference of connection level and intermodulation distortion, and then realize controlling the digital current-sharing of LED multi-path lighting circuit; Compare existing single channel controller, cost is lower and reliability is higher;
2, described driving governor adopts the intelligent full digital simulation system driving governor based on intelligent integrated chip (such as DSP) and ZIGBEE technology, control flexible, when load current changes because of various factors, utilize autompulse width modulated (PWM) function of intelligent integrated chip to make load current get back in initial design values, effectively ensure that load current can control in the level designed in advance under the impact of various factors;
3, the flyback of controller is opened up to mend in circuit and to be sampled by integrated circuit (IC) chip to input average current and peak-to-peak value electric current and perform mathematical calculations and process, realize adopting transformer to control the precision of output voltage and electric current, eliminate the conventional clamp circuit of flyback topologies structure and output electrochemical capacitor, ensure that product reaches more than 50000h useful life; Decrease elementary to secondary feedback circuit simultaneously, reduce circuit cost.
4, in controller circuitry global design, focus on centralized control, standard modular and the system expandability three aspect, form Intelligent illumination monitoring system by controller, effectively can improve controllability, the Universal and scalability of system.
Accompanying drawing explanation
Fig. 1 is the electric theory of constitution schematic block diagram of described LED driving governor;
Fig. 2 is that the flyback of described driving governor opens up benefit circuit embodiments schematic diagram;
Fig. 3 is that existing normal power supplies flyback opens up benefit circuit diagram;
Fig. 4 is described LED driving governor embodiment circuit theory schematic diagram;
Fig. 5 is the composition schematic diagram of described Intelligent illumination monitoring system.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1 in embodiment, described Intelligent Digital LED driving governor comprise connect successively EMI filter circuit, Surge suppression and lightning protection circuit, current rectifying and wave filtering circuit, PFC power factor regulating circuit, organize independently flyback more and open up and mend circuit and organize independently constant current output circuit more; Input overvoltage/the under-voltage protecting circuit, the wireless communication module for Long-distance Control, the interface module for field control or operation, the light sensor that also comprise integrated circuit single-chip governor circuit and be connected with integrated circuit single-chip governor circuit; Also comprise standby with auxiliary circuit, auxiliary power circuit.Wherein, power factor regulating circuit and organize more independently flyback open up mend circuit be all connected with integrated circuit single-chip governor circuit.
Wherein, the described interface module for field control or operation, is mainly used in connecting outside sensor variable, as: infrared sensor, pressure sensor, sound transducer etc., for controlling the opening and closing of LED, thus save power supply energy.Light sensor has two effects, one is for detecting the photosensitive intensity of external environment to control LED Push And Release, two is the light intensity at the bright rear Real-Time Monitoring LED of LED, when the light intensity of new LED is greater than the light intensity of needs, integrated circuit (IC) chip makes its brightness deterioration, to extend the life-span of LED main power source and lamp by the modulation signal controlling to export.When lamp is aging cause luminous intensity to reduce time, integrated circuit (IC) chip can control modulation signal makes the source current of LED increase, thus makes luminous intensity constant.But after regulating, LED light intensity does not change, and show that LED is damaged, integrated circuit (IC) chip can produce alarm signal, notice is changed and maintenance.Wireless communication module for Long-distance Control adopts Zigbee module communication, Zigbee module has low in energy consumption, that flexibility is high, transmitted data amount is little feature, adopt the self-organizing network system with Zigbee transmission, the centralized monitor management that can be controller provides powerful guarantee.Input overvoltage/under-voltage protecting circuit is for judging input civil power situation and have integrated circuit single-chip governor circuit control action protection controller internal circuit under input voltage out-of-limit condition.
The operation principle of LED driving governor of the present invention is as follows: civil power receives bridge rectifier filter circuit after EMI filter circuit, Surge suppression and lightning protection circuit, exports to PFC power factor regulating circuit and flyback opens up benefit circuit through rectifying and wave-filtering.Auxiliary power circuit produces that 5V and 3.3V voltage supplies integrated circuit single-chip governor circuit respectively, Zigbee is wireless sending and receiving module and other external-connected ports.Integrated circuit single-chip governor circuit receive external wireless communication module and for field control or operation place's signal such as interface module and carry out other input (such as light sensor signal, flyback topologies circuit signal etc.), after carrying out comprehensive calculation process according to these signals, export control signal and drive the independent flyback topologies circuit of many groups (DC-DC MODE) work respectively, control LED street lamp/Tunnel Lamp even load finally by the independent constant current output circuit output signal of many groups.
Flyback of the present invention is opened up and is mended circuit embodiments circuit as shown in Figure 2, comprise high frequency transformer T1, high frequency transformer T1 primary coil one end connecting valve pipe Q2, the other end connects power factor regulating circuit, and the conducting of integrated circuit single-chip governor circuit output pwm signal (PM1 port) control switch pipe Q2 and cut-off realize the transmission of energy between high frequency transformer T1 primary coil and secondary coil.High frequency transformer T1 secondary coil one end connects rectifier diode D12, and rectifier diode D12 negative pole is positive output end, and the high frequency transformer T1 secondary coil other end is negative output terminal, is connected with filter capacitor C22, C23, C30 between positive and negative output; Also comprise divider resistance R10, R11, R40 of being connected between high frequency transformer T1 primary coil one end and ground; Be connected on the sampling resistor R44 between switching tube Q2 source electrode and ground.Integrated circuit single-chip governor circuit gathers the voltage signal on divider resistance R40 and the current signal on switching tube Q2 source electrode, corresponding control signal is exported after carrying out comprehensive computing and process, realize adopting transformer to control the precision of output voltage and electric current, decrease elementary to secondary feedback circuit, reduce circuit cost.
Existing flyback is opened up and is mended circuit as Fig. 3, wherein needs to arrange the clamp circuit be made up of resistance R31, electric capacity C7 and diode D9, the peak voltage that the leakage inductance for absorbing high-frequency transformer produces, thus protection power tube is not burnt by peak voltage.Eliminate clamp circuit in the present invention, add divider resistance R10, R11, R40, controlled by the row operation process of going forward side by side of the integrated circuit single-chip governor circuit voltage signal gathered on divider resistance R40, also reach the effect of the little protection power tube of output ripple; And output filter capacitor C22, C23, C30 can adopt electrodeless electric capacity in the present invention, avoid in prior art use electrochemical capacitor life short thus affect the problem of whole power good.
According to underlying hardware of the present invention, controller of the present invention can have storage encryption function, can the working condition of real time record controller, comprise the historical data of voltage, electric current and external environment, according to some threshold values of setting, by its working condition of controller Auto-Sensing, according to its test record data point reuse output voltage and electric current, be uploaded to monitoring center again, thus extend power source life and encryption, provide real data for complete machine job stability and power source life are estimated etc.
According to underlying hardware of the present invention, system of the present invention also has multiple situation alarm function, and accurately detailed warning information is the important evidence of illumination supervision line service.Described system can have following alarm function: the alarm of single lamp loss of ignition, the alarm of single lamp open circuit, single lamp short circuit alarm, voltage cross the border and protects alarm, Thermal protection alarm, lamp fault alarm and power fail warning etc.
According to underlying hardware of the present invention, system of the present invention also can have anti-theft feature, and cable installation is stolen to mostly occur at night, particularly has the circuit that night-light controls.Circuit is powered whole night, and wireless information device is closed single lamp and kept communication unimpeded simultaneously, once certain direction occurs that multiple output module output signal is zero, i.e. trigger alerts, does not rely on any extra device, can carry out effectively antitheft to cable installation.
As shown in Figure 4, this embodiment comprises four road flyback topologies circuit and four corresponding road constant current output circuits to LED driving governor embodiment circuit theory diagrams of the present invention, then this controller can control four tunnel loads simultaneously.Civil power within the scope of 90 ~ 305V receives bridge rectifier filter circuit via after EMI filter circuit and Surge suppression and lightning protection circuit, access the switching tube Q1 in input power factor Circuit tuning more successively, inductance coil L2, diode D6, integrated circuit single-chip governor circuit 4 human hair combing waste goes out the G pole (grid) that pwm signal carrys out driving switch pipe Q1, control Q1 conducting and closedown, the voltage of 360 ~ 450V is then exported through D6, standby and the auxiliary circuit of one tunnel input, produce suitable voltage supply Zigbee module and other external-connected ports respectively, another road produces SV1(+3.3V) power to integrated circuit (IC) chip, high frequency transformer T1, T2, T3, T4 primary side in four road flyback topologies circuit and switching tube Q2, Q3, Q4, Q5 are delivered in this another road of 360 ~ 450V voltage.After now integrated circuit single-chip governor circuit detects line number algorithm process of going forward side by side, pwm signal driving switch pipe Q2, Q3, Q4, Q5 conducting and closedown is respectively produced from 12 pin JP2 end, 14 pin, 18 pin, 20 pin, high frequency transformer T1, T2, T3, T4 level export four groups of independently constant current output circuits respectively to, V1+, V1-is exported respectively after constant current output circuit output rectification filter, V2+, V2-, V3+, V3-, V4+, V4-tetra-groups of voltages are to load.The source electrode of connecting valve pipe Q2, Q3 while of integrated circuit (IC) chip port (15 pin of JP2), switching tube Q2, Q3 source electrode links together by resistance R44 ground connection, resistance R45 shunt capacitance C20.Resistance R45, electric capacity C20 form the Acquisition Circuit of the earth terminal current signal of switching tube Q2, Q3.The Acquisition Circuit of the earth terminal current signal of connecting valve pipe Q4, Q5 while of another port of integrated circuit (IC) chip (21 pin of JP2).In practical application, integrated circuit (IC) chip port can connect the Acquisition Circuit of more multichannel current signal, is calculated the sampled value of every road current signal by software, can reduce the use of integrated circuit (IC) chip port so as far as possible.
The Intelligent digital controller that the present invention proposes is a kind of part adopting the wireless supervisory control system of up-to-date Zigbee and GPRS technology for LED street lamp/Tunnel Lamp or other Intelligent lightening devices, Intelligent digital controller can be in time, detect street lamp fault exactly, switch and brightness regulation can be carried out again to street lamp, LED street lamp/Tunnel Lamp or the original energy-conservation basis of other intelligent lightings play the effect of secondary energy-saving, the more important thing is, based on native system can realize home-confined just can to all street lamp implementing monitorings, and finally realize low-carbon economy and city illumination sustainable development.
As shown in Figure 5, whole system forms primarily of monitoring central server 1 and the multiple monitor terminals 2, cable network terminal control node and the LED street lamp 3 that are connected with this server, Zigbee terminal branch road Controlling vertex and LED street lamp 4 described Intelligent illumination monitoring system.Cable network terminal control node and Zigbee terminal branch road Controlling vertex are all equiped with described Intelligent Digital LED driving governor for controlling each LED street lamp on this node.Cable network terminal control node accesses GPRS network by the wired GPRS of turning gateway 5, then accesses Internet network by GPRS network, and then connects with monitoring central server 1 and multiple monitor terminal 2.Zigbee terminal branch road Controlling vertex turns GPRS gateway 6 by Zigbee and accesses GPRS network, then accesses Internet network by GPRS network, and then connects with monitoring central server 1 and multiple monitor terminal 2.Described monitor terminal 2 comprises the mobile monitoring terminal such as computer monitoring terminal and mobile phone, and each monitor terminal can adopt RS232 serial ports and Zigbee network communication.Described system also comprises Zigbee terminal environments parameter detecting node, arrange as ambient brightness, temperature, humidity etc. parameter detecting sensor in these nodes, these transducers can be connected with described Intelligent Digital LED driving governor, send the data detected to controller, controller can control accordingly according to setting program, and controller can these data upload to control end.These transducers also directly communicate with Surveillance center by wireless network, transmit detection data and also can transmit Surveillance center's order and the state information collecting Zigbee terminal node.
Zigbee terminal branch voltage current detection circuit also can be set in described system for detecting the electric current and voltage state of whole branch road; Zigbee terminal environments electrical parameter detection circuit also can being set for detecting the environmental parameter of whole community, comprising light intensity, temperature, humidity, using the foundation as Zigbee terminal control.
System employing packet wireless business GPRS of the present invention is the data transmission technology based on global system for mobile communications (GSM), not only have that wide coverage, data transmission bauds are fast, the high communication quality, the always online and advantage such as to charge by flow, and itself be exactly a multicomponent data net, support TCP/IP agreement, can directly and Internet intercommunication.Monitor terminal or mobile phone terminal are by network sending controling instruction; integrated circuit single-chip governor circuit receives network instruction by Zigbee module, realizes any operating voltage of controller and the setting of operating current (defining arbitrarily in rated operational voltage electric current), threshold values (overvoltage, under-voltage, overcurrent, the excess temperature) setting opening and closing function setting and protection and electric current and voltage value setting at that time.Integrated circuit (IC) chip by carrying out Real-time Collection to the electric current and voltage of LED, then in conjunction with the LED current maximum of input and voltage max, carries out dynamic adjustments to LED brightness.If be several groups of independence out-put supplies, often group can be arranged respectively according to above-mentioned parameter.Meanwhile, integrated circuit single-chip governor circuit transmits the parameters such as error protection (overvoltage, under-voltage, overcurrent, excess temperature, and reserved two) and real-time voltage current value by Zigbee module to monitor terminal.Independent several groups of power supplys export in this way, also can upload above data respectively.
Functional module and the circuit of concrete introduction in the present invention all can adopt existing mature technology, do not repeat them here.
Above-described embodiment is preferrred embodiment of the present invention; it should be noted that; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change and are out of shape the protection range that all should belong to the claim appended by the present invention.
Claims (8)
1. an Intelligent Digital LED driving governor, the PFC power factor regulating circuit comprise current rectifying and wave filtering circuit, being connected with current rectifying and wave filtering circuit, the wireless communication module for Long-distance Control also comprising integrated circuit single-chip governor circuit and be connected with integrated circuit single-chip governor circuit, the interface module for field control or operation, described PFC power factor regulating circuit is connected with integrated circuit single-chip governor circuit; It is characterized in that: be provided with one or more flyback and open up benefit circuit, and correspondence arranges one or more constant current output circuit, described flyback is opened up and is mended that circuit input end is all connected with PFC power factor regulating circuit, control end is all connected with integrated circuit single-chip governor circuit, and output connects the constant current output circuit of correspondence respectively; Multiple constant current output circuit is connected respectively LED multi-path lighting circuit;
Integrated circuit single-chip governor circuit can control simultaneously multichannel independently flyback open up benefit circuit, gather each road flyback to open up and mend the feedback signal of circuit and comprehensively analyze and computing simultaneously, to multichannel independently flyback open up and mend the output of circuit and carry out cooperation control, again by multiple constant current output circuit, realize controlling the digital current-sharing of LED multi-path lighting circuit;
Described flyback is opened up benefit circuit and is comprised a high frequency transformer, this high frequency transformer primary coil one end connects power factor regulating circuit by a switching tube ground connection, the other end, and the conducting of integrated circuit single-chip governor circuit control switch pipe and cut-off realize the transmission of energy between this high frequency transformer primary coil and secondary coil; Also comprise the divider resistance be connected between high frequency transformer primary coil one end and ground; The integrated circuit single-chip governor circuit voltage signal gathered on divider resistance exports corresponding control signals switching tube conducting and closed condition after carrying out computing and process, thus controls output voltage and the electric current of high frequency transformer secondary coil; Described flyback is opened up and is mended circuit medium/high frequency transformer T1 secondary coil one end connection rectifier diode D12, rectifier diode D12 negative pole is positive output end, the high frequency transformer T1 secondary coil other end is negative output terminal, be connected with filter capacitor between positive and negative output, described filter capacitor adopts electrodeless electric capacity.
2. Intelligent Digital LED driving governor according to claim 1, is characterized in that: described flyback opens up the Acquisition Circuit of mending circuit and also comprising the earth terminal current signal to described switching tube, and Acquisition Circuit signal is connected to integrated circuit (IC) chip port.
3. Intelligent Digital LED driving governor according to claim 2, is characterized in that: integrated circuit (IC) chip port connects the Acquisition Circuit of the earth terminal current signal of one or more switching tube.
4. Intelligent Digital LED driving governor according to claim 1, is characterized in that: also comprise the input overvoltage/under-voltage protecting circuit be connected with integrated circuit single-chip governor circuit.
5. Intelligent Digital LED driving governor according to claim 1, is characterized in that: the described interface module for field control or operation comprises one or more in light-inductive circuit, infrared induction circuit, pressure sensitive circuit, sound sensor circuit.
6. Intelligent Digital LED driving governor according to claim 1, it is characterized in that: the described wireless communication module for Long-distance Control adopts Zigbee communication module circuit, and integrated circuit single-chip governor circuit is connected to by Zigbee communication module circuit the Long-distance Control that internet net or GSM/GPRS or CDMA or 3G wireless network realize LED controller.
7. an intelligent lighting system, is characterized in that, comprising:
Monitoring central server;
The multiple monitor terminals be connected with this server;
Cable network terminal control node and LED street lamp, described cable network terminal control node is equiped with Intelligent Digital LED driving governor as claimed in claim 1, for controlling each LED street lamp on this node; Cable network terminal control node turns GPRS gateway accessing GPRS network by wired, then accesses Internet network by GPRS network, and then connects with monitoring central server (1) and multiple monitor terminal (2);
Zigbee terminal branch road Controlling vertex and LED street lamp, described Zigbee terminal branch road Controlling vertex is equiped with Intelligent Digital LED driving governor; Described Zigbee terminal branch road Controlling vertex turns GPRS gateway accessing GPRS network by Zigbee, then accesses Internet network by GPRS network, and then connects with monitoring central server (1) and multiple monitor terminal (2).
8. described intelligent lighting system according to claim 7, it is characterized in that, also comprise Zigbee terminal environments parameter detecting node, the detecting sensor that environment comprises brightness, temperature, humidity parameter is set in these nodes, described transducer is connected with described Intelligent Digital LED driving governor, send the data detected to Intelligent Digital LED driving governor, Intelligent Digital LED driving governor is connected with control centre, and described data upload to control centre; Or described transducer is directly connected with monitor terminal by wireless network, transmission detection data also transmit monitor terminal order and collect the state information of Zigbee terminal node.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607808A (en) * | 2013-10-24 | 2014-02-26 | 宁波瀚田电子有限公司 | LED street lamp emergency communication equipment |
| CN104202880A (en) * | 2014-09-09 | 2014-12-10 | 四川长虹照明技术有限公司 | LED (Light Emitting Diode) intelligent lamp |
| CN105530741B (en) * | 2015-11-11 | 2017-12-08 | 浙江科技学院 | A kind of LED roadway lighting systems based on networked control |
| CN105307350B (en) * | 2015-11-19 | 2018-01-12 | 雷锡社 | A kind of long-life intelligent LED street lamp constant-current dimming driving power |
| CN106439701B (en) * | 2016-11-14 | 2018-10-23 | 常州格林照明股份有限公司 | A kind of Landscape Lighting safety monitoring system based on Internet of Things |
| CN109548239B (en) * | 2018-12-13 | 2020-08-11 | 东南大学 | LED lamp power supply control device with virtual synchronous machine response mechanism |
| WO2021212307A1 (en) * | 2020-04-21 | 2021-10-28 | 深圳市大疆创新科技有限公司 | Driving system and movable platform |
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| CN101932175A (en) * | 2010-08-31 | 2010-12-29 | 电子科技大学 | LED constant current driving circuit capable of dimming automatically |
| CN202857101U (en) * | 2012-11-01 | 2013-04-03 | 惠州市天然光电科技有限公司 | Intelligent digital LED driving controller and lighting monitoring and control system |
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| CN101932175A (en) * | 2010-08-31 | 2010-12-29 | 电子科技大学 | LED constant current driving circuit capable of dimming automatically |
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