CN102740570B - A kind of remote LED light adjusting system - Google Patents
A kind of remote LED light adjusting system Download PDFInfo
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- CN102740570B CN102740570B CN201210242167.XA CN201210242167A CN102740570B CN 102740570 B CN102740570 B CN 102740570B CN 201210242167 A CN201210242167 A CN 201210242167A CN 102740570 B CN102740570 B CN 102740570B
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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 present invention relates to field of electric control.A kind of remote LED light adjusting system of the present invention, comprising: the light modulation concentrator being arranged at control centre's power distribution cabinet; Be arranged at the LED light adjusting controller in each LED lamp; And multiple LED lamp.Wherein, light modulation concentrator comprises the first control chip circuit, the first clock circuit, switching quantity detection circuit, network concentrate communication device CAC, display unit and press key input device.LED light adjusting controller comprises the second control chip circuit, second clock circuit, LED control testing circuit, network and concentrate communication device DAU and light adjusting circuit.The electric current and voltage of LED light adjusting controller Real-Time Monitoring LED lamp; Light modulation concentrator is concentrated communication device CAC and the network of LED light adjusting controller to concentrate communication device DAU to set up communication by its network to be connected, and carries out far distance light regulation control by LED light adjusting controller to LED lamp.The present invention is applied to the far distance light regulation of LED lamp.
Description
Technical field
The present invention relates to field of electric control, be specifically related to a kind of by wireless method, LED lamp carried out to the control system of long-range light/dark light modulation.
Background technology
In the last few years, along with the development of semiconductor light emitting technology, brightness and the coloration ability of light-emitting diode (LED) are greatly improved, and LED lamp has pollution-free, the advantage such as long working life and caloric value is low, super low-power consumption, obvious energy conservation, is thus widely used in daily life.Research proves, utilize the light fixture that LED makes, its brightness is about three times of ordinary incandescent lamp, and energy consumption is only about 1/10 of ordinary incandescent lamp, and useful working life is more than 100 of ordinary incandescent lamp, and therefore the application prospect of LED is extensive.
In existing known LED illumination control technology, in remote application, most system mode adopting RS485 connection and DMX512 agreement, the United States Patent (USP) that such as patent publication No. is US6292901, the day for announcing is September 18 calendar year 2001, and patent publication No. be US6211626, the day for announcing is the United States Patent (USP) in April 3 calendar year 2001, done detailed description to the tele-control system of above-mentioned employing RS485 connection and DMX512 agreement.
Wherein, based on the remote LED Lighting Control Assembly of RS485 connection, because RS485 connection needs to lay cable, if a cable breaks down, the paralysis of system local and even entirety usually can be caused; In addition, the transmission range of RS485 connection is limited, and theoretical value is 1 kilometer, reaches in fact far away this theoretical value.
Based on the remote LED Lighting Control Assembly of DMX512 agreement, DMX512 agreement is asynchronous data communication agreement, and its packet, based on 8 asynchronous serial agreements, is with a start bit (low level) and two position of rests (high level).DMX512 data protocol specifies the baud rate using 250Kbps.Before carrying out normal data transfer, send 1 reset signal, the beginning of claim data transmission.The 1st frame data are subsequently called initial code, wherein comprise device type code, to indicate the type of the receiving equipment of follow-up data.Finally, send 1 frame data to each equipment by the order of device numbering, be followed successively by: 1# device data frame, 2# device data frame, until last equipment.Equipment sum mostly is 512 most.Frame is spaced apart high level, no longer than 1s.As from the foregoing, this agreement has the shortcomings such as the slow and light fixture capacity of transmission speed is little.
In addition, wireless network conventional at present, as WIFI, GPRS, bluetooth etc., its Internet Transmission region overlay is all limited, in concrete application scenario, does not usually receive corresponding signal.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of remote LED light adjusting system, by one from organizing wireless network, carries out long-range light/dark light modulation fast, the capacity of the extendible LED lamp of simultaneity factor to LED lamp.
In order to solve the problems of the technologies described above, the present invention responds the call of energy-saving and emission-reduction, there is provided a kind of LED that uses as the light adjusting system of light source, to pass through the ad-hoc network based on adaptive neural network structure route technology---YFDA cellular network communication modes realizes on a large scale to each LED switch control rule and brightness regulation, solve prior wireless network transmission region and cover limited problem, realize the fast remote light modulation to a large amount of LED lamp.This system is made up of light modulation concentrator and LED light adjusting controller.Light modulation concentrator carries out centralized detecting to the electric current and voltage that each is equipped with the LED of LED light adjusting controller in real time by YFDA cellular network, there is warning function simultaneously, namely when street lamp is in lighting time, Centralized Controller does not detect voltage, and meeting active reporting controller is abnormal; Voltage detected, circuit do not detected, active reporting light fixture is abnormal; When street lamp is in the time of turning off the light, Centralized Controller detects voltage, and active reporting controller is abnormal, facilitates user's trouble shooting.In addition and different brightness adjustment control can be done for the using state of each LED at any time, realize, in any power brightness adjustment control of the 0-rated operating range of light fixture, also having and carry out management function with an automatic light meter at times, thus reach the mode of optimum energy savings.
A kind of remote LED light adjusting system of the present invention, comprising:
Be arranged at light modulation concentrator, relay, the A.C. contactor of control centre's power distribution cabinet;
Be arranged at the LED light adjusting controller in each LED lamp;
And multiple LED lamp.
Wherein, light modulation concentrator comprises the first control chip circuit, the first clock circuit, switching quantity detection circuit, network concentrate communication device CAC, display unit and press key input device; The communication ends of described first clock circuit is connected to the I/O port of the first control chip circuit; Described switching quantity detection circuit comprises test side, control end and communication ends, and its communication ends is connected to the I/O port of the first control chip circuit, the solenoid end of the external A.C. contactor of its control end, the normally opened contact of the external A.C. contactor in its test side; Described network concentrates communication device CAC to be connected with the first control chip circuit by serial ports; The communication ends of described display unit and the communication ends of press key input device are connected to the I/O port of the first control chip circuit.
LED light adjusting controller comprises the second control chip circuit, second clock circuit, LED control testing circuit, network and concentrate communication device DAU and light adjusting circuit, and the communication ends of described second clock circuit is connected to the I/O port of the second control chip circuit; Described network concentrates communication device DAU to be connected with the second control chip circuit by serial ports; Described LED controls testing circuit and comprises test side and communication ends, the communication ends of its communication ends and light adjusting circuit is connected to the I/O port of the second control chip circuit, the external LED lamp in test side of LED light adjusting controller, concentrates communication device DAU to be sent to the light modulation concentrator process of power distribution cabinet by network the electric current of detection, voltage data; The external LED lamp of light adjusting circuit, the light modulation coefficient signal concentrating communication device DAU reception light modulation concentrator to send by network carries out brightness adjustment control to LED lamp.
The electric current and voltage of LED light adjusting controller Real-Time Monitoring LED lamp; Light modulation concentrator is concentrated communication device CAC and the network of LED light adjusting controller to concentrate communication device DAU to set up communication by its network to be connected, and carries out far distance light regulation control by LED light adjusting controller to LED lamp.
Further, described light adjusting circuit adopts PWM(pulse-width modulation) technology carries out light modulation, this light adjusting circuit converts the dim signal that the light modulation concentrator received is sent to PWM dim signal, and then the duty ratio of the direct current of control LED light adjusting circuit, make LED lamp be in high-speed switch state, thus realize the brightness regulation of LED lamp.
Further, described network concentrates communication device CAC and network to concentrate communication device DAU to form YFDA cellular network, concrete, a network infrastructure elements of YFDA cellular network is called microcellulor, microcellulor concentrates communication device CAC and multiple network to concentrate communication device DAU to form by a network, network concentrates communication device DAU and network to concentrate the link between communication device CAC mostly to be 4 jumpings most, and each network concentrates the network around communication device CAC within the scope of 4 jumpings to concentrate communication device DAU to form a microcellulor; YFDA cellular network is made up of one or more microcellulor, and the network configuration in microcellulor is called Intranet, and multiple Micro-cell forms the outer net of platform.
Network concentrates communication device CAC to comprise a MCU circuit, a CAC interface circuit, first serial circuit and the first power circuit; First power circuit provides the operating voltage of 5V, for a CAC interface circuit provides 12V operating voltage for a MCU circuit; One MCU circuit and first serial circuit working produce wireless signal and process it; One CAC interface circuit is used for launching or receive letter without wire size; By first serial circuit, network concentrates communication device CAC to be connected with the first control chip circuit of light modulation concentrator.
Network concentrates communication device DAU to comprise the 2nd MCU circuit, the 2nd DAU interface circuit, second serial circuit and second source circuit; Second source circuit provides the operating voltage of 5V, for the 2nd DAU interface circuit provides 12V operating voltage for the 2nd MCU circuit; 2nd MCU circuit and second serial circuit working produce wireless signal and process it; 2nd DAU interface circuit is used for launching or receive letter without wire size; By second serial circuit, network concentrates communication device DAU to be connected with the second control chip circuit of LED light adjusting controller.
Further, a described MCU circuit and the 2nd MCU circuit are realized by single-chip microcomputer STC12C5A60S2 and peripheral circuit thereof, certainly, also can use other models of similar single-chip microcomputer.Described first serial circuit and second serial circuit are realized by RS232 protocol transceiver SP232 and peripheral circuit thereof, can certainly use other models of similar RS232 protocol transceiver, such as SP231, SP232A etc.
Network concentrates communication device CAC and network to concentrate the data format of the communication protocol of communication device DAU as follows:
Described microcellulor refers to the set of the access point of region radius within 500 ~ 2000 meters; Described Intranet refers to the network configuration formed at single microcellulor; Described outer net refers in certain region, the collection of network be made up of multiple adjacent or close microcellulor.
YFDA cellular network adopts a kind of adaptive neural network structure route technology to solve the limited problem of wireless transmission region overlay.Its topmost feature is the distribution characteristics of network and the neuron behavior of network node, and the wireless frequency realized between community in the mode of microcellulor is multiplexing, network operating frequencies meets national ISM standard, and network topology can reach 4 layers, the maximum support of single network 255 nodes.Have automatic routes communications link, self-regeneration network function, LAN does not interfere with each other, and realizes the wireless access networking of large regions.
Be applied in remote LED light adjusting system of the present invention, in LED light adjusting controller, specifically all assemble a network concentrate communication device DAU, in each light modulation concentrator, configure a network concentrate communication device CAC.The data of collection are concentrated communication device CAC by the network that network concentrates communication device DAU to be sent to its place microcellulor by LED light adjusting controller; All data that network concentrates communication device CAC to collect in the microcellulor of place, the first control chip circuit then giving light modulation concentrator processes;
Dimming information is concentrated communication device DAU by the network that network concentrates communication device CAC to send LED light adjusting controller to by light modulation concentrator, then regulates the brightness of LED through the control of the second control chip circuit and the process of light adjusting circuit.
For avoiding the interference between each Micro-cell, the network in system of the present invention concentrates communication device CAC and network to concentrate the frequency division multiplexing of communication device DAU support to 10 groups of 20 frequencies.Each Micro-cell is all assigned with one group of frequency (often organizing two frequency bins), and the frequency group that adjacent Micro-cell uses is different.Inner in each Micro-cell, network concentrates communication device CAC and network to concentrate between communication device DAU the mode with frequency hopping at a slow speed on two frequency bins to communicate.
The present invention adopts said structure and method, and tool has the following advantages:
1. the present invention uses LED lamp as the light adjusting system of light source, energy-conserving and environment-protective; In addition, by MANET is long-range, LED lamp is regulated one by one, and to solve in prior art the problem that can only regulate the LED lamp of road/mono-group;
2. the present invention is based on the ad-hoc network of adaptive neural network structure route technology---YFDA cellular network, this network topology can reach 4 layers, single maximum support of network 255 nodes, therefore can the multiple LED lamp of carry, solves the problem of carry 512 LED lamp at most in prior art; This YFDA cellular network adopts the structure of multiple microcellulor in addition, can realize LED lamp switch control rule and the brightness regulation rapidly to carry;
3. light modulation concentrator of the present invention carries out centralized detecting to the electric current and voltage that each is equipped with the LED lamp of LED light adjusting controller in real time by YFDA cellular network, and different brightness adjustment control can be done for the using state of each LED lamp at any time, also have and carry out light modulation management function at times, thus reach the mode of optimum energy savings.
Accompanying drawing explanation
Fig. 1 is integral module schematic diagram of the present invention.
Fig. 2 is detailed module diagram of the present invention.
Fig. 3 is the networking schematic diagram of YFDA cellular network.
Fig. 4 is the first control chip circuit of light modulation concentrator, display unit and press key input device schematic diagram.
Fig. 5 is the testing circuit schematic diagram of the switching quantity detection circuit of light modulation concentrator.
Fig. 6 is the ON-OFF control circuit schematic diagram of the switching quantity detection circuit of light modulation concentrator.
Fig. 7 is the circuit theory diagrams that the network of light modulation concentrator concentrates communication device CAC.
Fig. 8 is the second control chip circuit theory diagrams of LED light adjusting controller.
Fig. 9 is the schematic diagram of the LED control testing circuit of LED light adjusting controller.
Figure 10 is the driving circuit principle figure of the switch relay of the LED lamp of LED light adjusting controller.
Figure 11 is the schematic diagram of the light adjusting circuit of LED light adjusting controller.
Figure 12 is the circuit theory diagrams that the network of LED light adjusting controller concentrates communication device DAU.
Embodiment
Now the present invention is further described with embodiment by reference to the accompanying drawings.
As shown in Figure 1, a kind of remote LED light adjusting system of the present invention, comprising: be arranged at the light modulation concentrator 1 of control centre's power distribution cabinet, relay 4, A.C. contactor 5, is arranged at the LED light adjusting controller 2 in each LED lamp, and multiple LED lamp 3.
Wherein, as shown in Figure 2, light modulation concentrator 1 comprises the first control chip circuit 11, first clock circuit 12, switching quantity detection circuit 13, network concentrate communication device CAC14, display unit 15 and press key input device 16; The communication ends of described first clock circuit 12 is connected to the I/O port of the first control chip circuit 11; Described switching quantity detection circuit 13 comprises test side, control end and communication ends, its communication ends is connected to the I/O port of the first control chip circuit 11, its control end is external to the solenoid end of A.C. contactor 5, and its test side is external to the normally opened contact of A.C. contactor 5; Described network concentrates communication device CAC14 to be connected with the first control chip circuit 11 by serial ports; The communication ends of described display unit 15 and the communication ends of press key input device 16 are connected to the I/O port of the first control chip circuit 11.The solenoid end of the external A.C. contactor 5 of control end of switching quantity detection circuit 13: light modulation concentrator 1 plays on-off action by control relay 4(relay 4), connect the power supply of the solenoid of A.C. contactor 5, auxiliary contact are made often to open adhesive, road lighting cable just can will control the prerequisite of the switch of LED lamp 3 by power-on switch LED lamp 3(, first want the cable of circuit to have electricity, we just can carry out switch lamp and light modulation to every LED lamp 3); The normally opened contact of the external A.C. contactor in test side 5 of switching quantity detection circuit 13: opening contact by detection A.C. contactor normal 5 is that adhesive or disconnection judge whether cable has energising.
LED light adjusting controller 2 comprises the second control chip circuit 21, second clock circuit 22, LED control testing circuit 23, network and concentrate communication device DAU24 and light adjusting circuit 25, and the communication ends of described second clock circuit 22 is connected to the I/O port of the second control chip circuit 21; Described network concentrates communication device DAU24 to be connected with the second control chip circuit 21 by serial ports; Described LED controls testing circuit 23 and comprises communication ends and test side, the communication ends of its communication ends and light adjusting circuit 25 is connected to the I/O port of the second control chip circuit 21, the external LED lamp 3 in test side of LED light adjusting controller 2, processes the light modulation concentrator 1 that the electric current of detection, voltage data concentrate communication device DAU24 to be sent to power distribution cabinet by network; The external LED lamp 3 of light adjusting circuit 25, the light modulation coefficient signal concentrating communication device DAU24 reception light modulation concentrator 1 to send by network carries out brightness adjustment control to LED lamp 3.
The electric current and voltage of LED light adjusting controller 2 Real-Time Monitoring LED lamp 3; Light modulation concentrator 1 is concentrated communication device CAC14 and the network of LED light adjusting controller 2 to concentrate communication device DAU24 to set up communication by its network to be connected, and carries out far distance light regulation control by LED light adjusting controller 2 pairs of LED lamp 3.The switching value that first control chip circuit 11 of light modulation concentrator 1 detects for switch amount testing circuit 13, analog quantity carry out data processing.First clock circuit 12 provides precise time for the first control chip circuit 11, and the first control chip circuit 11 pairs of LED lamp can be made to carry out accurate switch control rule.Switching quantity detection circuit 13 is for controlling external A.C. contactor and gathering its on off state.Network is concentrated communication device CAC14 to be responsible for the first control chip circuit 11 to concentrate communication device DAU24 to communicate with the network of LED light adjusting controller 2.
For light modulation concentrator 1, as the present invention's preferred embodiment, see Fig. 4-Fig. 6, the first control chip circuit 11 is made up of microprocessor ATMEGA128 and peripheral circuit thereof.Display unit 15 is connected to the interface of the microprocessor ATMEGA128 of the first control chip circuit 11 by interface LCD12864.User controls the interface of display unit 15 display by press key input device 16.The switch detection signal of switching quantity detection circuit 13 by the external A.C. contactor normally opened contact of interface RELAY_IN, Nei Jie tetra-road optocoupler U5, U6, U7, U8, then the Signal transmissions collected by optocoupler is to microprocessor ATMEGA128.The switch controlling signal of switching quantity detection circuit 13 is connected to four road optocoupler U1, U2, U3, U4 by the interface of microprocessor ATMEGA128 thus drives four tunnel relay R ELAY1, RELAY2, RELAY3, RELAY4 respectively, then by interface RELAY_OUT external A.C. contactor solenoid end.Network concentrates communication device CAC14 to carry out data communication by the interface of Fig. 7 and microprocessor ATMEGA128.
Second control chip circuit 21 of LED light adjusting controller 2, by judging that LED controls the contactless contactor state of the LED lamp that testing circuit 23 detects, controls the switch of LED; Communication device DAU24 is concentrated to communicate with light modulation concentrator 1 by network.Second clock circuit 22 provides precise time for the second control chip circuit 21, and the second control chip circuit 21 pairs of LED can be made to carry out accurate switch control rule.LED controls testing circuit 23 for controlling external A.C. contactor and gathering its on off state.Network is concentrated communication device DAU24 to be responsible for the second control chip circuit 21 and is communicated with light modulation concentrator 1.Light adjusting circuit 25 is for receiving dimming commands and the light modulation coefficient of main controller, and brightness regulation is carried out in instruction, concrete, light adjusting circuit 25 adopts PWM(pulse-width modulation) technology carries out light modulation, this light adjusting circuit 25 converts the dim signal that the light modulation concentrator 1 received is sent to PWM dim signal, and then the duty ratio of the direct current of control LED light adjusting circuit 25, make LED lamp 3 be in high-speed switch state, thus realize the brightness regulation of LED lamp 3.
Wherein, network concentrates communication device CAC14 to comprise a MCU circuit, a CAC interface circuit, first serial circuit and the first power circuit.As the utility model preferred embodiment, see Fig. 7, one MCU circuit is made up of single-chip microcomputer STC12C5A60S2 and peripheral circuit thereof, one CAC interface circuit is realized (concrete as diagram) by the CAC chip of 22 stitch, first serial circuit is made up of RS232 protocol transceiver SP232 and peripheral circuit thereof, and the first power circuit is power input port, electric capacity C45, electric capacity C46, electric capacity C47, components and parts U5, resistance R8 and LED 7 composition.A described MCU circuit and the 2nd MCU circuit by and peripheral circuit realize, certainly, also can use other models of similar single-chip microcomputer.First power circuit provides the operating voltage of 5V, for a CAC interface circuit provides 12V operating voltage for a MCU circuit; One MCU circuit and first serial circuit working produce wireless signal and process it; One CAC interface circuit is used for launching or receive letter without wire size; By first serial circuit, network concentrates communication device CAC14 to be connected with the first control chip circuit 11 of light modulation concentrator 1.
For LED light adjusting controller 2, as the present invention's preferred embodiment, the second control chip circuit 21 see Fig. 8-Figure 11, LED light adjusting controller 2 adopts microprocessor STC12C5A60S2 and peripheral circuit thereof to realize.LED circuit is through current transformer T1 and voltage transformer TV31B, by the analog signal V1P of output, V1N, V3P, V3N through ATT7053 process, again by spi bus communication (exchanges data), because microprocessor is 5V system (supply power voltage is 5V), and ATT7053 operating voltage is 3.3V, therefore adds optocoupler U3 between and carry out level conversion.The switching signal of LED lamp is connected to optocoupler PC817 by microprocessor STC12C5A60S2 interface and drives relay DC1, then by the external street lamp of interface relay.The pwm signal that microprocessor STC12C5A60S2 produces 21.60KHz comes regulating cycle and duty cycle, by mosfet driver TC4427 driven MOS pipe IRF2807, makes LED high-speed switch, thus realizes light modulation.Network concentrates communication device DAU24 to carry out data communication by the interface of Figure 12 and microprocessor STC12C5A60S2.Figure 10 is the driving circuit principle figure of the switch relay of the LED lamp of LED light adjusting controller, switch relay plays the effect of change-over circuit, drive circuit is used to the work of driving switch relay, connect alternating current 220V with DC driven relay job control and make LED power work, LED power operating voltage: input AC 220V, export direct current, direct current is again through light adjusting circuit, change the duty ratio of electric current, just can realize LED light modulation.
Network concentrates communication device DAU24 to comprise the 2nd MCU circuit, the 2nd DAU interface circuit, second serial circuit and second source circuit.See Figure 12,2nd MCU circuit is made up of single-chip microcomputer STC12C5A60S2 and peripheral circuit thereof, 2nd DAU interface circuit is realized by the DAU chip (concrete as diagram) of 12 stitch, second serial circuit is made up of RS232 protocol transceiver SP232 and peripheral circuit thereof, and second source circuit is power input port, electric capacity C1, electric capacity C2, electric capacity C3, components and parts U2, resistance R3 and LED 1 composition.Second source circuit provides the operating voltage of 5V, for the 2nd DAU interface circuit provides 12V operating voltage for the 2nd MCU circuit; 2nd MCU circuit and second serial circuit working produce wireless signal and process it; 2nd DAU interface circuit is used for launching or receive letter without wire size; By second serial circuit, network concentrates communication device DAU24 to be connected with the second control chip circuit 21 of LED light adjusting controller 2.
Described network concentrates communication device CAC14 and network to concentrate communication device DAU24 to form YFDA cellular network.A network infrastructure elements of YFDA cellular network is called microcellulor (Cellular), and microcellulor concentrates communication device CAC14 and multiple network to concentrate communication device DAU24 to form by a network, as shown in Figure 3.Network concentrates communication device DAU24 and network to concentrate the link between communication device CAC14 mostly to be 4 jumpings most, and each network concentrates the network around communication device CAC14 within the scope of 4 jumpings to concentrate communication device DAU24 to form a microcellulor.According to the situation of actual application environment, whole beehive network system can be made up of one or more microcellulor.
Network configuration in microcellulor is called Intranet (InsiderNet), and multiple Micro-cell forms the outer net (MarcoNet) of platform, is defined as follows:
Microcellulor: refer to concentrate communication device CAC14 for the center of circle with this network, the set of the access point of region radius within 500 ~ 2000 meters, as the set of all ammeter data access points be distributed in this territorial scope in a certain community;
Intranet: refer to the network configuration formed in single microcellulor;
Outer net: refer in certain region, the collection of network be made up of multiple adjacent or close microcellulor, unifies implementation as a certain city and checks meter, and this city is divided into several communities when planning, is made up of the network in this city, is referred to as outer net multiple community.
Concrete, network concentrates communication device CAC and network to concentrate the data format of the communication protocol of communication device DAU as follows:
YFDA cellular network adopts a kind of adaptive neural network structure route technology to solve the limited problem of wireless transmission region overlay.Its topmost feature is the distribution characteristics of network and the neuron behavior of network node, and the wireless frequency realized between community in the mode of microcellulor is multiplexing, network operating frequencies meets national ISM standard, and network topology can reach 4 layers, the maximum support of single network 255 nodes.Have automatic routes communications link, self-regeneration network function, LAN does not interfere with each other, and realizes the wireless access networking of large regions.
Be applied in remote LED light adjusting system of the present invention, in LED light adjusting controller 2, specifically all assemble a network concentrate communication device DAU24, in each light modulation concentrator 1, configure a network concentrate communication device CAC14.The data of collection are concentrated communication device CAC14 by the network that network concentrates communication device DAU24 to be sent to its place microcellulor by LED light adjusting controller 2; All data that network concentrates communication device CAC14 to collect in the microcellulor of place, the first control chip circuit 11 then giving light modulation concentrator 1 processes; Dimming information is concentrated communication device DAU24 by the network that network concentrates communication device CAC14 to send LED light adjusting controller 2 to by light modulation concentrator 1, then regulates the brightness of LED through the control of the second control chip circuit 21 and the process of light adjusting circuit 25.
For avoiding the interference between each Micro-cell, the network in system of the present invention concentrates communication device CAC14 and network to concentrate the frequency division multiplexing of communication device DAU24 support to 10 groups of 20 frequencies.Each Micro-cell is all assigned with one group of frequency (often organizing two frequency bins), and the frequency group that adjacent Micro-cell uses is different.Inner in each Micro-cell, network concentrates communication device CAC14 and network to concentrate between communication device DAU24 the mode with frequency hopping at a slow speed on two frequency bins to communicate.
In the present invention, by the YFDA cellular network that network concentrates communication device CAC14 and network to concentrate communication device DAU24 to set up, light modulation concentrator 1 and LED light adjusting controller 2 carry out communication data transfer, control the running status of inquiry every light fixture and regulate the brightness of LED, all operations can complete at the LCDs button operation of light modulation concentrator 1, convenient and swift.
Although specifically show in conjunction with preferred embodiment and describe the present invention; but those skilled in the art should be understood that; not departing from the spirit and scope of the present invention that appended claims limits; can make a variety of changes the present invention in the form and details, be protection scope of the present invention.
Claims (7)
1. a remote LED light adjusting system, is characterized in that: comprising:
Be arranged at light modulation concentrator, relay, the A.C. contactor of control centre's power distribution cabinet;
Be arranged at the LED light adjusting controller in each LED lamp;
And multiple LED lamp;
Wherein, light modulation concentrator comprises the first control chip circuit, the first clock circuit, switching quantity detection circuit, network concentrate communication device CAC, display unit and press key input device; The communication ends of described first clock circuit is connected to the I/O port of the first control chip circuit; Described switching quantity detection circuit comprises test side, control end and communication ends, and its communication ends is connected to the I/O port of the first control chip circuit, the solenoid end of the external A.C. contactor of its control end, the normally opened contact of the external A.C. contactor in its test side; Described network concentrates communication device CAC to be connected with the first control chip circuit by serial ports; The communication ends of described display unit and the communication ends of press key input device are connected to the I/O port of the first control chip circuit;
LED light adjusting controller comprises the second control chip circuit, second clock circuit, LED control testing circuit, network and concentrate communication device DAU and light adjusting circuit, and the communication ends of described second clock circuit is connected to the I/O port of the second control chip circuit; Described network concentrates communication device DAU to be connected with the second control chip circuit by serial ports; Described LED controls testing circuit and comprises test side and communication ends, the communication ends of its communication ends and light adjusting circuit is connected to the I/O port of the second control chip circuit, the external LED lamp in its test side, concentrates communication device DAU to be sent to the light modulation concentrator process of power distribution cabinet by network the electric current of detection, voltage data; The external LED lamp of light adjusting circuit, the light modulation coefficient signal concentrating communication device DAU reception light modulation concentrator to send by network carries out brightness adjustment control to LED lamp;
The electric current and voltage of LED light adjusting controller Real-Time Monitoring LED lamp; Light modulation concentrator is concentrated communication device CAC and the network of LED light adjusting controller to concentrate communication device DAU to set up communication by its network to be connected, and carries out far distance light regulation control by LED light adjusting controller to LED lamp;
Described network concentrates communication device CAC and network to concentrate communication device DAU to form YFDA Cellular Networks, concrete, a network infrastructure elements of YFDA Cellular Networks is called microcellulor, microcellulor concentrates communication device CAC and multiple network to concentrate communication device DAU to form by a network, network concentrates communication device DAU and network to concentrate the link between communication device CAC mostly to be 4 jumpings most, and each network concentrates the network around communication device CAC within the scope of 4 jumpings to concentrate communication device DAU to form a microcellulor; YFDA Cellular Networks is made up of one or more microcellulor, and the network configuration in microcellulor is called Intranet, and multiple Micro-cell forms the outer net of platform.
2. remote LED light adjusting system according to claim 1, is characterized in that: network concentrates communication device CAC to comprise a MCU circuit, a CAC interface circuit, first serial circuit and the first power circuit; First power circuit provides the operating voltage of 5V, for a CAC interface circuit provides 12V operating voltage for a MCU circuit; One MCU circuit and first serial circuit working produce wireless signal and process it; One CAC interface circuit is used for launching or receive letter without wire size; By first serial circuit, network concentrates communication device CAC to be connected with the first control chip circuit of light modulation concentrator;
Network concentrates communication device DAU to comprise the 2nd MCU circuit, the 2nd DAU interface circuit, second serial circuit and second source circuit; Second source circuit provides the operating voltage of 5V, for the 2nd DAU interface circuit provides 12V operating voltage for the 2nd MCU circuit; 2nd MCU circuit and second serial circuit working produce wireless signal and process it; 2nd DAU interface circuit is used for launching or receive letter without wire size; By second serial circuit, network concentrates communication device DAU to be connected with the second control chip circuit of LED light adjusting controller.
3. remote LED light adjusting system according to claim 2, is characterized in that: a described MCU circuit and the 2nd MCU circuit are realized by single-chip microcomputer STC12C5A60S2 and peripheral circuit thereof.
4. remote LED light adjusting system according to claim 2, is characterized in that: described first serial circuit and second serial circuit are realized by RS232 protocol transceiver SP232 and peripheral circuit thereof.
5. remote LED light adjusting system according to claim 2, is characterized in that: network concentrates communication device CAC and network to concentrate the data format of the communication protocol of communication device DAU as follows:
Start bit: ww;
Lighting network control ID:0-255;
Parameter type: 01 switching time; 02 light modulation ratio; 03 current flow; 04 alarm current lower limit; 05 reports to the police replys;
Parameter: 2 bytes;
Check code: CRC check;
Termination character: zz;
Wherein, start bit is 2 byte ASCII character, and lighting network control ID is 1 byte 16 system, and parameter type is 1 byte 16 system, and parameter is 2 byte 16 systems, and check code is 2 byte 16 systems, and termination character is 2 byte ASCII character.
6. remote LED light adjusting system according to claim 1, is characterized in that: described microcellulor refers to the set of the access point of region radius within 500 ~ 2000 meters; Described Intranet refers to the network configuration formed at single microcellulor; Described outer net refers in certain region, the collection of network be made up of multiple adjacent or close microcellulor.
7. remote LED light adjusting system according to claim 1, is characterized in that: described light adjusting circuit adopts PWM technology to carry out light modulation.
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| CN104797038A (en) * | 2015-01-09 | 2015-07-22 | 深圳市芯中芯科技有限公司 | RGB lamp control system based on BLE (Bluetooth low energy) 4.0 |
| CN104735877A (en) * | 2015-03-25 | 2015-06-24 | 东莞市石龙富华电子有限公司 | Method and device for remote comprehensive illumination control over LED lamp |
| CN108600364A (en) * | 2018-04-20 | 2018-09-28 | 广州赛比思科技有限公司 | A kind of networking instantaneity remote operating system based on the bases LED |
| CN110486699A (en) * | 2019-09-21 | 2019-11-22 | 张润久 | A kind of night landscape lighting control system |
| CN113905481A (en) * | 2020-06-22 | 2022-01-07 | 华润微集成电路(无锡)有限公司 | Lighting system control circuit and corresponding control method |
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