CN102740570A - Remote LED (light emitting diode) light adjusting system - Google Patents
Remote LED (light emitting diode) light adjusting system Download PDFInfo
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- CN102740570A CN102740570A CN201210242167XA CN201210242167A CN102740570A CN 102740570 A CN102740570 A CN 102740570A CN 201210242167X A CN201210242167X A CN 201210242167XA CN 201210242167 A CN201210242167 A CN 201210242167A CN 102740570 A CN102740570 A CN 102740570A
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Abstract
The invention relates to the field of electronic control, and relates to a remote LED light adjusting system. The remote LED light adjusting system comprises a light adjusting concentrator arranged in a control center distribution cabinet, an LED light adjusting controller arranged in each LED lamp, and a plurality of LED lamps, wherein the light adjusting concentrator includes a first control chip circuit, a first clock circuit, a switching value detection circuit, a network centralized communication device CAC, a display device and a key input device; and the LED light adjusting controller includes a second control chip circuit, a second clock circuit, an LED control detection circuit, a network centralized communication device DAU and a light adjusting circuit. The LED light adjusting controller can real-timely monitor the voltage and current of the LED lamps; and the light adjusting concentrator constructs communication with the network centralized communication device DAU of the LED light adjusting controller through the network centralized communication device CAC to remotely control the light of the LED lamps through the LED light adjusting controller. The remote LED light adjusting system provided by the invention is used in remote light adjusting of LED lamps.
Description
Technical field
The present invention relates to field of electric control, be specifically related to a kind of through wireless method, to the LED light fixture carry out long-range bright/control system of shadow light.
Background technology
In the last few years; Development along with the semiconductor light emitting technology; The brightness and the colour developing ability of light-emitting diode (LED) are greatly improved; And the LED light fixture has pollution-free, long working life and advantages such as caloric value is low, super low-power consumption, obvious energy conservation, thereby is widely used in the daily life.The research proof, the light fixture that utilizes LED to process, its brightness is about three times of ordinary incandescent lamp, and energy consumption is merely about 1/10 of ordinary incandescent lamp, useful working life is more than 100 of ordinary incandescent lamp, so the application prospect of LED is extensive.
In the known at present LED lighting control technique; On remote application; Most system modes that adopt RS485 connection and DMX512 agreement; For example patent publication No. is US6292901, the day for announcing to be the United States Patent (USP) in September 18 calendar year 2001, and patent publication No. is US6211626, the day for announcing to be the United States Patent (USP) in April 3 calendar year 2001, and the tele-control system of above-mentioned employing RS485 connection and DMX512 agreement has been done detailed description.
Wherein, based on the remote LED Lighting Control Assembly of RS485 connection,,, can cause the local and even whole paralysis of system usually if a cable breaks down because the RS485 connection need be laid cable; In addition, the transmission range of RS485 connection is limited, and theoretical value is 1 kilometer, reaches this theoretical value in fact far away.
Based on the remote LED Lighting Control Assembly of DMX512 agreement, the DMX512 agreement is the asynchronous data communication agreement, and its packet is with a start bit (low level) and two position of rests (high level) based on 8 asynchronous serial agreements.DMX512 data protocol regulation is used the baud rate of 250Kbps.Before carrying out normal data transfer, send 1 reset signal, the beginning of claim data transmission.The 1st frame data subsequently are called initial code, wherein comprise the device type sign indicating number, with the type of the receiving equipment that indicates follow-up data.At last, send 1 frame data for each equipment, be followed successively by by the order of device numbering: 1# device data frame, 2# device data frame, until last equipment.The equipment sum is 512 at most.Frame is spaced apart high level, no longer than 1s.By on can know that this agreement has shortcomings such as the slow and light fixture capacity of transmission speed is little.
In addition, wireless network commonly used at present, like WIFI, GPRS, bluetooth or the like, its Network Transmission zone covers 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, a kind of remote LED light adjusting system is provided, through a kind of from organizing wireless network, to the LED light fixture carry out long-range fast bright/shadow light, the capacity of the extendible LED light fixture of simultaneity factor.
In order to solve the problems of the technologies described above; The present invention responds the call of energy-saving and emission-reduction; A kind of LED of use is provided the light adjusting system as light source; To pass through ad-hoc network based on adaptive neural network structure route technology---YFDA cellular network communication modes is realized on a large scale each LED lamp switch being controlled and brightness regulation, solves the prior wireless network transmission region and covers limited problem, and realization is to the quick far distance light regulation of a large amount of LED light fixtures.This system is made up of light modulation concentrator and LED light adjusting controller.The light modulation concentrator can carry 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 through the YFDA cellular network; Has warning function simultaneously; Promptly when street lamp was in lighting time, Centralized Controller did not detect voltage, can initiatively report controller unusual; Detect voltage, do not detect circuit, initiatively report light fixture unusual; When street lamp is in the time of turning off the light, Centralized Controller detects voltage, initiatively reports controller unusual, makes things convenient for user's trouble shooting.Also can do different brightness adjustment control to the user mode of each LED lamp at any time in addition, be implemented in any power brightness adjustment control of 0-rated power scope of light fixture, also have and carry out management function with an automatic light meter at times, thereby reach the mode of optimum energy savings.
A kind of remote LED light adjusting system of the present invention comprises:
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 light fixture;
And a plurality of LED light fixtures.
Wherein, the light modulation concentrator comprises the first control chip circuit, first clock circuit, switching value testing circuit, network concentrated communication device CAC, display unit and press key input device; The communication ends of said first clock circuit is connected to the I/O port of the first control chip circuit; Said switching value testing 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 its external A.C. contactor in test side; Said network concentrates communication device CAC to be connected with the first control chip circuit through serial ports; The communication ends of said display unit and the communication ends of press key input device are connected to the I/O port of the first control chip circuit.
The LED light adjusting controller comprises the second control chip circuit, second clock circuit, LED control detection circuit, the concentrated communication device DAU of network and light adjusting circuit, and the communication ends of said second clock circuit is connected to the I/O port of the second control chip circuit; Said network concentrates communication device DAU to be connected with the second control chip circuit through serial ports; Said LED light adjusting controller 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 light fixture in the test side of LED light adjusting controller is handled the light modulation concentrator that the electric current that detects, voltage data concentrate communication device DAU to be sent to power distribution cabinet through network; The external LED light fixture of light adjusting circuit carries out brightness adjustment control through the light modulation coefficient signal that network concentrates communication device DAU reception light modulation concentrator to send to the LED light fixture.
The LED light adjusting controller is monitored the electric current and voltage of LED light fixture in real time; The light modulation concentrator is set up communication through the concentrated communication device CAC of its network with the concentrated communication device DAU of the network of LED light adjusting controller and is connected, and through the LED light adjusting controller LED light fixture is carried out far distance light regulation control.
Further; Said light adjusting circuit is to adopt PWM (pulse-width modulation) technology to carry out light modulation; The dim signal that this light adjusting circuit is sent the light modulation concentrator that receives converts the PWM dim signal to; And then the duty ratio of the direct current of control LED light adjusting circuit, make the LED light fixture be in the high-speed switch state, thereby realize the brightness regulation of LED light fixture.
Further; Said network concentrates communication device CAC and network to concentrate communication device DAU to form the YFDA cellular network; Concrete; A network basic structural unit of YFDA cellular network is called microcellulor; Microcellulor concentrates communication device CAC and a plurality of network to concentrate communication device DAU to form by a network, and it is at most 4 jumpings that concentrated communication device DAU of network and network are concentrated the link between the communication device CAC, and the interior network of 4 jumping scopes was concentrated microcellulor of communication device DAU formation around each network was concentrated communication device CAC; The YFDA cellular network is to be made up of one or more microcellulor, and the network configuration in the microcellulor is called Intranet, and a plurality of microcellulors sub-district constitutes the outer net of platform.
Network concentrates communication device CAC to comprise a MCU circuit, a CAC interface circuit, first serial circuit and first power circuit; First power circuit is the operating voltage that a MCU circuit provides 5V, is that a CAC interface circuit provides 12V operating voltage; The one MCU circuit and first serial circuit working produce wireless signal and it are handled; The one CAC interface circuit is used for launching or receives the no wire size of letter; Through the 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; The second source circuit is the operating voltage that the 2nd MCU circuit provides 5V, is that the 2nd DAU interface circuit provides 12V operating voltage; The 2nd MCU circuit and second serial circuit working produce wireless signal and it are handled; The 2nd DAU interface circuit is used for launching or receives the no wire size of letter; Through the second serial circuit, network concentrates communication device DAU to be connected with the second control chip circuit of LED light adjusting controller.
Further, a said MCU circuit and the 2nd MCU circuit are realized through single-chip microcomputer STC12C5A60S2 and peripheral circuit thereof, certainly, also can use other models of similar single-chip microcomputer.Said first serial circuit and second serial circuit are realized through RS232 protocol transceiver SP232 and peripheral circuit thereof, can certainly be used other models of similar RS232 protocol transceiver, for example SP231, SP232A or the like.
The data format of the communication protocol of concentrated communication device CAC of network and the concentrated communication device DAU of network is following:
Said microcellulor refers to that the region radius is 500～2000 meters set with interior access point; Said Intranet is meant the network configuration that forms at single microcellulor; Said outer net is meant in certain region, faced mutually or collection of network that close microcellulor constitutes by a plurality of.
The YFDA cellular network is to adopt a kind of adaptive neural network structure route technology to solve the wireless transmission zone to cover limited problem.Its topmost characteristics are the distribution characteristics of network and the neuron behavior of network node; And realize that with the mode of microcellulor the wireless frequency between the sub-district is multiplexing; The network work frequency meets national ISM standard, and network topology can reach 4 layers, 255 nodes of the maximum support of single network.Have automatic Route Selection communication link, the self-regeneration network function, LAN does not disturb mutually, realizes the wireless access networking in big zone.
Being applied in the remote LED light adjusting system of the present invention, specifically is in the LED light adjusting controller, all to assemble a network to concentrate communication device DAU, and network of configuration is concentrated communication device CAC in each light modulation concentrator.The network that the LED light adjusting controller concentrates communication device DAU to be sent to its place microcellulor through network the data of collecting is concentrated communication device CAC; Network concentrates communication device CAC will collect all data in the microcellulor of place, gives the first control chip circuit of light modulation concentrator then and handles;
The network that the light modulation concentrator concentrates communication device CAC to send the LED light adjusting controller to through network light modulation information is concentrated communication device DAU, regulates the brightness of LED lamp again through the processing of the second control chip circuit control and light adjusting circuit.
For avoiding the interference of each microcellulor minizone, the network in the system of the present invention concentrates communication device CAC and network to concentrate communication device DAU to support the frequency division multiplexing to 10 groups of 20 frequencies.Each microcellulor sub-district all is assigned with one group of frequency (every group of two frequencies), and the employed frequency group of adjacent micro cellular cell is different.Inner in each microcellulor sub-district, network is concentrated communication device CAC and network to concentrate between the communication device DAU on two frequencies with the mode of frequency hopping at a slow speed and is communicated.
The present invention adopts said structure and method, has following advantage:
1. the present invention uses the light adjusting system of LED light fixture as light source, energy-conserving and environment-protective; In addition, can regulate one by one the LED light fixture, and solve in the prior art problem that can only regulate one tunnel/one group LED light fixture through MANET is long-range;
2. the present invention is based on the ad-hoc network of adaptive neural network structure route technology---the YFDA cellular network; This network topology can reach 4 layers; Single network is maximum supports 255 nodes, but therefore a plurality of LED light fixtures of carry solve in the prior art problem of 512 LED light fixtures of carry at most; This YFDA cellular network adopts the structure of a plurality of microcellulors in addition, can realize switch control rapidly of LED light fixture and brightness regulation to carry;
3. light modulation concentrator of the present invention can carry out centralized detecting to the electric current and voltage that each is equipped with the LED light fixture of LED light adjusting controller in real time through the YFDA cellular network; And can do different brightness adjustment control to the user mode of each LED light fixture at any time; Also have and carry out the light modulation management function at times, thereby reach the mode of optimum energy savings.
Description of drawings
Fig. 1 is an integral module sketch map of the present invention.
Fig. 2 is a detailed module diagram of the present invention.
Fig. 3 is the networking sketch map of YFDA cellular network.
Fig. 4 is the first control chip circuit, display unit and the press key input device schematic diagram of light modulation concentrator.
Fig. 5 is the testing circuit schematic diagram of the switching value testing circuit of light modulation concentrator.
Fig. 6 is the ON-OFF control circuit schematic diagram of the switching value testing circuit of light modulation concentrator.
Fig. 7 concentrates the circuit theory diagrams of communication device CAC for the network of light modulation concentrator.
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 detection circuit of LED light adjusting controller.
Figure 10 is the drive circuit schematic diagram of switch relay of the LED light fixture 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 is concentrated communication device DAU.
Embodiment
Combine accompanying drawing and embodiment that the present invention is further specified at present.
As shown in Figure 1, a kind of remote LED light adjusting system of the present invention comprises: be arranged at light modulation concentrator 1, relay 4, the A.C. contactor 5 of control centre's power distribution cabinet, be arranged at the LED light adjusting controller 2 in each LED light fixture, and a plurality of LED light fixture 3.
Wherein, as shown in Figure 2, light modulation concentrator 1 comprises that the first control chip circuit 11, first clock circuit 12, switching value testing circuit 13, network concentrate communication device CAC14, display unit 15 and press key input device 16; The communication ends of said first clock circuit 12 is connected to the I/O port of the first control chip circuit 11; Said switching value testing 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; Said network concentrates communication device CAC14 to be connected with the first control chip circuit 11 through serial ports; The communication ends of the communication ends of said display unit 15 and press key input device 16 is connected to the I/O port of the first control chip circuit 11.The solenoid end of the external A.C. contactor 5 of the control end of switching value testing circuit 13: light modulation concentrator 1 is through control relay 4 (relay 4 plays on-off action); Connect the power supply of the solenoid of A.C. contactor 5; Make auxiliary contact often open adhesive; But road lighting cable is power-on switch LED light fixture 3 (will control the prerequisite of the switch of LED light fixture 3, at first want the cable of circuit that electricity is arranged, we just can carry out switch lamp and light modulation to every LED light fixture 3) just; The normally opened contact of the external A.C. contactor 5 in the test side of switching value testing circuit 13: opening the contact through detection A.C. contactor normal 5 is that adhesive or disconnection judge whether cable has energising.
LED light adjusting controller 2 comprises that the second control chip circuit 21, second clock circuit 22, LED control detection circuit 23, network concentrate communication device DAU24 and light adjusting circuit 25, and the communication ends of said second clock circuit 22 is connected to the I/O port of the second control chip circuit 21; Said network concentrates communication device DAU24 to be connected with the second control chip circuit 21 through serial ports; Said LED light adjusting controller 2 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 light fixture 3 in the test side of LED light adjusting controller 2 is handled the light modulation concentrator 1 that the electric current that detects, voltage data concentrate communication device DAU24 to be sent to power distribution cabinet through network; Light adjusting circuit 25 external LED light fixtures 3 carry out brightness adjustment control through the light modulation coefficient signal that network concentrates communication device DAU24 reception light modulation concentrator 1 to send to LED light fixture 3.
LED light adjusting controller 2 is the electric current and voltage of monitoring LED light fixture 3 in real time; Light modulation concentrator 1 is set up communication through the concentrated communication device CAC14 of its network with the concentrated communication device DAU24 of the network of LED light adjusting controller 2 and is connected, and carries out far distance light regulation control through 2 pairs of LED light fixtures of LED light adjusting controller 3.The first control chip circuit 11 of light modulation concentrator 1 is used for switch amount testing circuit 13 detected switching values, analog quantity is carried out data processing.First clock circuit 12 is that the first control chip circuit 11 provides precise time, can make 11 pairs of LED light fixtures of the first control chip circuit carry out accurate switch control.Switching value testing circuit 13 is used for its on off state is controlled and gathered to external A.C. contactor.Network is concentrated communication device CAC14 to be responsible for the first control chip circuit 11 and is communicated with the concentrated communication device DAU24 of the network of LED light adjusting controller 2.
For light modulation concentrator 1, as preferred embodiment of the present invention, referring to 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 through interface LCD12864.The user can control display unit 15 interface displayed through press key input device 16.The switch detection signal of switching value testing circuit 13 is by the external A.C. contactor normally opened contact of interface RELAY_IN, in meet four road optocoupler U5, U6, U7, U8, the signal that is collected by optocoupler again is transferred to microprocessor ATMEGA128.Thereby the switch controlling signal of switching value testing circuit 13 is connected to four road optocoupler U1, U2, U3, U4 by the interface of microprocessor ATMEGA128 and drives four tunnel relay R ELAY1, RELAY2, RELAY3, RELAY4 respectively, again through the external A.C. contactor solenoid of interface RELAY_OUT end.Network concentrates communication device CAC14 to carry out data communication through interface and the microprocessor ATMEGA128 of Fig. 7.
The second control chip circuit 21 of LED light adjusting controller 2 is through judging the contactless contactor state of the LED light fixture that LED control detection circuit 23 detects, the switch of control LED lamp; Concentrate communication device DAU24 and light modulation concentrator 1 to communicate through network.Second clock circuit 22 is that the second control chip circuit 21 provides precise time, can make 21 pairs of LED lamps of the second control chip circuit carry out accurate switch control.LED control detection circuit 23 is used for its on off state is controlled and gathered to external A.C. contactor.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 used to receive the light modulation instruction and the light modulation coefficient of main controller; And instruct and carry out brightness regulation, concrete, light adjusting circuit 25 is to adopt PWM (pulse-width modulation) technology to carry out light modulation; The dim signal that this light adjusting circuit 25 is sent the light modulation concentrator 1 that receives converts the PWM dim signal to; And then the duty ratio of the direct current of control LED light adjusting circuit 25, make LED light fixture 3 be in the high-speed switch state, thereby realize the brightness regulation of LED light fixture 3.
Wherein, network concentrates communication device CAC14 to comprise a MCU circuit, a CAC interface circuit, first serial circuit and first power circuit.As preferred embodiment of the present invention; Referring to Fig. 7; The one MCU circuit is made up of single-chip microcomputer STC12C5A60S2 and peripheral circuit thereof; The one CAC interface circuit is realized (concrete as diagram) by the CAC chip of 22 stitch, and the first serial circuit is made up of RS232 protocol transceiver SP232 and peripheral circuit thereof, and first power circuit is that power input mouth, capacitor C 45, capacitor C 46, capacitor C 47, components and parts U5, resistance R 8 and LED 7 are formed.A said MCU circuit and the 2nd MCU circuit through and peripheral circuit realize, certainly, also can use other models of similar single-chip microcomputer.First power circuit is the operating voltage that a MCU circuit provides 5V, is that a CAC interface circuit provides 12V operating voltage; The one MCU circuit and first serial circuit working produce wireless signal and it are handled; The one CAC interface circuit is used for launching or receives the no wire size of letter; Through the 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 preferred embodiment of the present invention, referring to Fig. 8-Figure 11, the second control chip circuit 21 of LED light adjusting controller 2 adopts microprocessor STC12C5A60S2 and peripheral circuit thereof to realize.The LED circuit is through current transformer T1 and voltage transformer TV31B; Analog signal V1P, V1N, V3P, the V3N of output are handled through ATT7053; Again through spi bus communication (exchanges data); Because microprocessor is 5V system (supply power voltage is 5V), and the ATT7053 operating voltage is 3.3V, so between has added optocoupler U3 and carries out level conversion.The switching signal of LED light fixture is connected to optocoupler PC817 by microprocessor STC12C5A60S2 interface and drives relay DC1, again through the external street lamp of interface relay.The pwm signal that microprocessor STC12C5A60S2 produces 21.60KHz comes regulating cycle and duty cycle, through mosfet driver TC4427 driven MOS pipe IRF2807, makes the LED high-speed switch, thereby realizes light modulation.Network concentrates communication device DAU24 to carry out data communication through interface and the microprocessor STC12C5A60S2 of Figure 12.Figure 10 is the drive circuit schematic diagram of switch relay of the LED light fixture of LED light adjusting controller, and switch relay plays the effect of change-over circuit, and drive circuit is to be used for the work of driving switch relay; Connect alternating current 220V with DC driven relay work control and make the LED power work; The LED operating supply voltage: input AC 220V, output DC, direct current pass through light adjusting circuit again; Change the duty ratio of electric current, just can realize light modulation LED.
Network concentrates communication device DAU24 to comprise the 2nd MCU circuit, the 2nd DAU interface circuit, second serial circuit and second source circuit.Referring to Figure 12; The 2nd MCU circuit is made up of single-chip microcomputer STC12C5A60S2 and peripheral circuit thereof; The 2nd DAU interface circuit is realized by the DAU chip (concrete as diagram) of 12 stitch; The second serial circuit is made up of RS232 protocol transceiver SP232 and peripheral circuit thereof, and the second source circuit is that power input mouth, capacitor C 1, capacitor C 2, capacitor C 3, components and parts U2, resistance R 3 and LED 1 are formed.The second source circuit is the operating voltage that the 2nd MCU circuit provides 5V, is that the 2nd DAU interface circuit provides 12V operating voltage; The 2nd MCU circuit and second serial circuit working produce wireless signal and it are handled; The 2nd DAU interface circuit is used for launching or receives the no wire size of letter; Through the second serial circuit, network concentrates communication device DAU24 to be connected with the second control chip circuit 21 of LED light adjusting controller 2.
Said network concentrates communication device CAC14 and network to concentrate communication device DAU24 to form the YFDA cellular network.A network basic structural unit of YFDA cellular network is called microcellulor (Cellular), and microcellulor concentrates communication device CAC14 and a plurality of network to concentrate communication device DAU24 to form by a network, and is as shown in Figure 3.It is at most 4 jumpings that network concentrates communication device DAU24 and network to concentrate the link between the communication device CAC14, and the network around the concentrated communication device CAC14 of each network in the 4 jumping scopes is concentrated microcellulor of communication device DAU24 formation.According to the situation of actual application environment, whole beehive network system can be made up of one or more microcellulor.
Network configuration in the microcellulor is called Intranet (Insider Net), and a plurality of microcellulors sub-district constitutes the outer net (Marco Net) of platform, the concrete definition as follows:
Microcellulor: refer to that concentrating communication device CAC14 with this network is the center of circle, the region radius is 500～2000 meters set with interior access point, is distributed in the set of the ammeter data access point in this territorial scope like in a certain sub-district all;
Intranet: refer to the network configuration that in single microcellulor, forms;
Outer net: refer in certain region, face mutually or collection of network that close microcellulor constitutes that check meter like unified implementation the in a certain city, this city is divided into several sub-districts when planning, constitute the network in this city, be referred to as outer net by a plurality of sub-districts by a plurality of.
Concrete, the data format of the communication protocol of concentrated communication device CAC of network and the concentrated communication device DAU of network is following:
The YFDA cellular network is to adopt a kind of adaptive neural network structure route technology to solve the wireless transmission zone to cover limited problem.Its topmost characteristics are the distribution characteristics of network and the neuron behavior of network node; And realize that with the mode of microcellulor the wireless frequency between the sub-district is multiplexing; The network work frequency meets national ISM standard, and network topology can reach 4 layers, 255 nodes of the maximum support of single network.Have automatic Route Selection communication link, the self-regeneration network function, LAN does not disturb mutually, realizes the wireless access networking in big zone.
Being applied in the remote LED light adjusting system of the present invention, specifically is in LED light adjusting controller 2, all to assemble a network to concentrate communication device DAU24, and network of configuration is concentrated communication device CAC14 in each light modulation concentrator 1.The network that LED light adjusting controller 2 concentrates communication device DAU24 to be sent to its place microcellulor through network the data of collecting is concentrated communication device CAC14; Network concentrates communication device CAC14 will collect all data in the microcellulor of place, gives the first control chip circuit 11 of light modulation concentrator 1 then and handles; The network that light modulation concentrator 1 concentrates communication device CAC14 to send LED light adjusting controller 2 to through network light modulation information is concentrated communication device DAU24, regulates the brightness of LED lamp again through the processing of the control of the second control chip circuit 21 and light adjusting circuit 25.
For avoiding the interference of each microcellulor minizone, the network in the system of the present invention concentrates communication device CAC14 and network to concentrate communication device DAU24 to support the frequency division multiplexing to 10 groups of 20 frequencies.Each microcellulor sub-district all is assigned with one group of frequency (every group of two frequencies), and the employed frequency group of adjacent micro cellular cell is different.Inner in each microcellulor sub-district, network is concentrated communication device CAC14 and network to concentrate between the communication device DAU24 on two frequencies with the mode of frequency hopping at a slow speed and is communicated.
Among the present invention; Concentrate communication device CAC14 and network to concentrate the YFDA cellular network of communication device DAU24 foundation through network; Light modulation concentrator 1 communicates transfer of data with LED light adjusting controller 2; The running status and the brightness of regulating the LED lamp of every light fixture of control inquiry, all operations can be accomplished at the LCDs button operation of light modulation concentrator 1, and are convenient and swift.
Although specifically show and introduced the present invention in conjunction with preferred embodiment; But the those skilled in the art should be understood that; In the spirit and scope of the present invention that do not break away from appended claims and limited; Can make various variations to the present invention in form with on the details, be protection scope of the present invention.
Claims (8)
1. 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 light fixture;
And a plurality of LED light fixtures;
Wherein, the light modulation concentrator comprises the first control chip circuit, first clock circuit, switching value testing circuit, network concentrated communication device CAC, display unit and press key input device; The communication ends of said first clock circuit is connected to the I/O port of the first control chip circuit; Said switching value testing 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 its external A.C. contactor in test side; Said network concentrates communication device CAC to be connected with the first control chip circuit through serial ports; The communication ends of said display unit and the communication ends of press key input device are connected to the I/O port of the first control chip circuit;
The LED light adjusting controller comprises the second control chip circuit, second clock circuit, LED control detection circuit, the concentrated communication device DAU of network and light adjusting circuit, and the communication ends of said second clock circuit is connected to the I/O port of the second control chip circuit; Said network concentrates communication device DAU to be connected with the second control chip circuit through serial ports; Said LED light adjusting controller 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 light fixture in its test side is handled the light modulation concentrator that the electric current that detects, voltage data concentrate communication device DAU to be sent to power distribution cabinet through network; The external LED light fixture of light adjusting circuit carries out brightness adjustment control through the light modulation coefficient signal that network concentrates communication device DAU reception light modulation concentrator to send to the LED light fixture;
The LED light adjusting controller is monitored the electric current and voltage of LED light fixture in real time; The light modulation concentrator is set up communication through the concentrated communication device CAC of its network with the concentrated communication device DAU of the network of LED light adjusting controller and is connected, and through the LED light adjusting controller LED light fixture is carried out far distance light regulation control.
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 first power circuit; First power circuit is the operating voltage that a MCU circuit provides 5V, is that a CAC interface circuit provides 12V operating voltage; The one MCU circuit and first serial circuit working produce wireless signal and it are handled; The one CAC interface circuit is used for launching or receives the no wire size of letter; Through the 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; The second source circuit is the operating voltage that the 2nd MCU circuit provides 5V, is that the 2nd DAU interface circuit provides 12V operating voltage; The 2nd MCU circuit and second serial circuit working produce wireless signal and it are handled; The 2nd DAU interface circuit is used for launching or receives the no wire size of letter; Through the 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 said MCU circuit and the 2nd MCU circuit are realized through single-chip microcomputer STC12C5A60S2 and peripheral circuit thereof.
4. remote LED light adjusting system according to claim 2 is characterized in that: said first serial circuit and second serial circuit are realized through RS232 protocol transceiver SP232 and peripheral circuit thereof.
5. remote LED light adjusting system according to claim 2 is characterized in that: the data format of the communication protocol of concentrated communication device CAC of network and the concentrated communication device DAU of network is following.
6. remote LED light adjusting system according to claim 1; It is characterized in that: said network concentrates communication device CAC and network to concentrate communication device DAU to form the YFDA Cellular Networks; Concrete; A network basic structural unit of YFDA Cellular Networks is called microcellulor; Microcellulor concentrates communication device CAC and a plurality of network to concentrate communication device DAU to form by a network, and it is at most 4 jumpings that concentrated communication device DAU of network and network are concentrated the link between the communication device CAC, and the interior network of 4 jumping scopes was concentrated microcellulor of communication device DAU formation around each network was concentrated communication device CAC; The YFDA Cellular Networks is to be made up of one or more microcellulor, and the network configuration in the microcellulor is called Intranet, and a plurality of microcellulors sub-district constitutes the outer net of platform.
7. remote LED light adjusting system according to claim 6 is characterized in that: said microcellulor refers to that the region radius is 500～2000 meters set with interior access point; Said Intranet is meant the network configuration that forms at single microcellulor; Said outer net is meant in certain region, faced mutually or collection of network that close microcellulor constitutes by a plurality of.
8. remote LED light adjusting system according to claim 1 is characterized in that: said light adjusting circuit is to adopt the PWM technology to carry out light modulation.
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| CN201210242167.XA CN102740570B (en) | 2012-07-13 | 2012-07-13 | A kind of remote LED light adjusting system |
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| CN201210242167.XA CN102740570B (en) | 2012-07-13 | 2012-07-13 | A kind of remote LED light adjusting system |
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