CN103249225A - WiFi (Wireless Fidelity) technology-based LED control system - Google Patents
WiFi (Wireless Fidelity) technology-based LED control system Download PDFInfo
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- CN103249225A CN103249225A CN2013101452783A CN201310145278A CN103249225A CN 103249225 A CN103249225 A CN 103249225A CN 2013101452783 A CN2013101452783 A CN 2013101452783A CN 201310145278 A CN201310145278 A CN 201310145278A CN 103249225 A CN103249225 A CN 103249225A
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Abstract
The invention relates to a WiFi (Wireless Fidelity) technology-based LED control system. The control system comprises a terminal, a first module and a second module, wherein the terminal is used for providing interaction information for clients; the first module is used for collecting LED information; and the second module is used for receiving and processing the data input from the terminal and the first module, sending LED state information to the terminal, and sending the control instructions from the clients to the first module; and the terminal, the second module and the first module are in intercommunication connection. Through the adoption of a multiple-input-multiple-output WIFI module, the control system not only solves the problem about multi-path signal transmission, but also improves the anti-interference ability and enlarges the signal coverage.
Description
Technical field
The present invention relates to the luminaire control system field, more specifically, relate to a kind of LED control system based on the WIFI technology.
Background technology
Street lighting is the part of urban infrastructure, occupy critical role in traffic safety, social security, people's lives and the appearance of the city style and features in city, is bringing into play irreplaceable effect, and indicates city strength and ripe degree.Since the establishment of the nation, follow advancing by leaps and bounds of China's urban modernization construction, the city street lamp illumination has obtained splendid fruits, becomes flourish public utilities, but the ubiquity municipal expenditure is nervous and the contradiction of street lighting deficiency.Therefore, must on the basis of street lamp being carried out automation, intelligent monitoring management, on the basis of implementing city light engineering, implement the energy-conservation of city street lamp illumination to greatest extent.Yet the LED lamp is present electricity-saving lamp with the most use.
At present, the LED lamps control in the most areas of China is still by Artificial Control, but manually operated mode efficient is low, cost is high, of poor quality, directly has influence on China LED lamp illumination economic benefit of enterprises and social benefit.Therefore, in order to be conducive to economic steady in a long-term development, improve people's living standard, build a harmonious society, the control of wireless LED lamp is arisen at the historic moment, for broad masses of the people's life and society brought facility.
Also having occurred employing WIFI technology at present controls LED, but existing WIFI module all adopts the pattern of the single output of single input, in this case, under the situation that does not have to increase when the gross power of launching, performance boost to system does not have the real optimum performance that reaches, can there be the waste of power output like this, and very easily be subjected to extraneous interference and causes the serious decline of systematic function, and the system signal coverage is also had certain limitation.
Summary of the invention
The WIFI module that the objective of the invention is to solve the single output of single input in the prior art is subjected to external interference and the less deficiency of signal cover thereof easily, a kind of LED control system based on the WIFI technology is provided, this system adopts the WIFI module of multiple-input and multiple-output not only to solve the multipath problem, and antijamming capability is strong, has enlarged the signal cover of system.
In order to achieve the above object, the invention provides a kind of LED control system based on the WIFI technology, described control system comprises terminal, is used to the client that the interactive information of LED is provided;
First module is used for gathering LED information;
And second module, be used for receiving and handle from the data of described terminal and the emission of first module and be used for to described terminal emission led state information with to the control command of described first module emission from the client;
Described terminal, second module and first module communicate to connect successively mutually.
According to one embodiment of present invention, described first module comprises a WIFI module, led module and transducer, the output of described led module is connected with described transducer, the output of described transducer is connected with a described WIFI module, the output of a described WIFI module is connected with described led module, and a described WIFI module also intercoms with described second module mutually by the mode of wireless telecommunications.
According to one embodiment of present invention, a described WIFI module is connected with described led module by wired mode.
According to one embodiment of present invention, described transducer comprises optical sensor.
According to one embodiment of present invention, described second module comprises control centre and the 2nd WIFI module, described control centre and the 2nd WIFI module interconnect, described control centre and terminal communicate to connect mutually, and described the 2nd WIFI module is connected with the mutual communication of described first module by the mode of wireless telecommunications.
According to one embodiment of present invention, a described WIFI module comprise transmitting chain, input link, radio-frequency module and with the interconnective radio-frequency antenna of described radio-frequency module; The output of described transmitting chain is connected with described radio-frequency module, and the output of described radio-frequency module is connected with described input link.
According to one embodiment of present invention, described transmitting chain comprises scrambler, encoder, interleaver, demultiplexer, parallel-to-serial converter and many emission data handle link, described scrambler, encoder, interleaver and demultiplexer link to each other successively, described demultiplexer is connected with many emission data handle link respectively, the output of described many emission data handle link all links to each other with described parallel-to-serial converter, and the output of described parallel-to-serial converter is connected with described radio-frequency module.
According to one embodiment of present invention, described each emission data handle link comprises modulator, IFFT and adds Cyclic Prefix, described modulator, IFFT and add Cyclic Prefix and connect successively, the input of described modulator is connected with described demultiplexer, and the described output that adds Cyclic Prefix is connected with described parallel-to-serial converter.
According to one embodiment of present invention, described input link comprises deserializer, many input data handle link, multiplexer, deinterleaver, solution encoder and descrambler, the output of described deserializer is connected with many input data handle link respectively, the output of described many input data handle link all links to each other with described multiplexer, and described multiplexer, deinterleaver, solution encoder and descrambler are connected successively.
According to one embodiment of present invention, described each input data handle link comprises Cyclic Prefix, FFT and demodulator, described Cyclic Prefix, FFT and the demodulator of going is connected successively, the described input of Cyclic Prefix that goes is connected with described deserializer, and the output of described demodulator is connected with described multiplexer.
The present invention is with respect to prior art, has following beneficial effect: a kind of WIFI building block technique of passing through to adopt multiple-input and multiple-output based on the LED control system of WIFI technology of the present invention, because the separate data of carrying out are handled between each road signal of multiple input signals, improved the channel signal to noise ratio, solved the multipath effect problem, and under not by the situation that strengthens transmitting power, this control system adopts the mode of many outputs can effectively utilize transmitting power, the utilance of system power is provided, play energy-conservation effect, can also improve the coverage of system signal; Moreover because every road signal adopts processing such as absolute coding, the system that makes is not vulnerable to the interference of external environment, has improved antijamming capability.
Description of drawings
Fig. 1 is the structural representation that the present invention is based on the LED control system of WIFI technology;
Fig. 2 is embodiment of the invention structural representation.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
As shown in Figure 1, be the structural representation of the LED control system that the present invention is based on the WIFI technology, this control system comprises terminal, is used to the client that the interactive information of LED is provided;
First module is used for gathering LED information;
And second module, be used for receiving and handle from the data of terminal and the emission of first module and be used for to this terminal emission led state information with to the control command of first module emission from the client;
Wherein, terminal, second module and first module in this control system communicates to connect successively mutually.In signal acquisition process, at first gathered the state information of LED by first module, and this information carried out being transmitted to second module after data are handled, in second module, will handle again from the data that first module receives, the information of handling well the most at last sends to terminal, namely send to the client, the client can recognize led state at a distance by receiving this information, when if the client wants long-range led state controlled according to the demand of oneself, the client can give second module by the terminal sending controling instruction, control command after second module will be handled by the mode of radio communication sends to first module, carried out the state of control LED then by first module, realize the purpose of client's Long-distance Control LED.
In the embodiment of the invention, first module comprises a WIFI module, led module and transducer, wherein, the output of this led module is connected with transducer, the output of transducer is connected with a WIFI module, the output of the one WIFI module is connected with led module, and a WIFI module also intercoms with second module mutually by the mode of wireless telecommunications.In the embodiment of the invention, a WIFI module, led module and transducer can be integrated in the same module, also can separate each other, and among the present invention, a preferred WIFI module, led module and transducer are integrated in the same module.Wherein, a WIFI module is connected with led module by wired mode, and namely led module is provided with two interfaces, and wherein an interface is used for connecting a WIFI module, and another interface is used for connecting transducer.Whether in the embodiment of the invention, transducer be used for is gathered the state information of LED, comprise brightness, the colourity of LED and open or do not close etc., and this transducer comprises optical sensor.
Among the present invention, second module comprises control centre and the 2nd WIFI module, control centre and the 2nd WIFI module interconnect, control centre and terminal communicate to connect mutually, the 2nd WIFI module is connected with the mutual communication of first module by the mode of wireless telecommunications, and namely the 2nd WIFI module is by the mode of radio communication and the mutual communication of a WIFI module in first module.
Among the present invention, the internal structure of a WIFI module and the 2nd WIFI module is the same with function, in embodiments of the present invention, is example to describe a WIFI module.As shown in Figure 2, a WIFI module comprise transmitting chain, input link, radio-frequency module and with the interconnective radio-frequency antenna of this radio-frequency module; The output of transmitting chain is connected with radio-frequency module, and the output of radio-frequency module is connected with input link.Wherein, transmitting chain comprises scrambler, encoder, interleaver, demultiplexer, parallel-to-serial converter and many emission data handle link, in the embodiment of the invention, emission data handle link can be 2, article 3,, 8 etc., concrete number no longer limits, can be decided according to the actual requirements, it is separate that data between many emission data handle link among the present invention are handled, be not subjected to the influence of other emission data handle link, wherein, this scrambler, encoder, interleaver and demultiplexer link to each other successively, demultiplexer is connected with many emission data handle link respectively, the output of many emission data handle link all links to each other with parallel-to-serial converter, and the output of parallel-to-serial converter is connected with radio-frequency module.In embodiments of the present invention, each emission data handle link comprises modulator, IFFT and adds Cyclic Prefix, described modulator, IFFT and add Cyclic Prefix and connect successively, the input of modulator is connected with demultiplexer, and the output that adds Cyclic Prefix is connected with parallel-to-serial converter.
In the embodiment of the invention, this input link comprises deserializer, many input data handle link, multiplexer, deinterleaver, separate encoder and descrambler, this input data handle link can be 2, article 3,, 8 etc., concrete number no longer limits, can be decided according to the actual requirements, it also is separate that data between many input data handle link among the present invention are handled, be not subjected to the influence of other input data handle link, wherein, the output of this deserializer is connected with many input data handle link respectively, the output of many input data handle link all links to each other multiplexer with multiplexer, deinterleaver, separating encoder and descrambler is connected successively.In the embodiment of the invention, each input data handle link comprises Cyclic Prefix, FFT and demodulator, go Cyclic Prefix, FFT and demodulator to be connected successively, go the input of Cyclic Prefix to be connected with deserializer, the output of demodulator is connected with multiplexer.
In embodiments of the present invention, second module and communication between terminals mode can be limited communication modes, it also can be communication, when adopting limited communication mode, second module transfers data in the network by Ethernet, and the client can carry out interaction data by computer or other PC equipment and LED control system, when adopting communication, terminal is client's mobile phone, and the client carries out data interaction by mobile phone and LED control system of the present invention.
In sum, the WIFI building block technique of passing through to adopt multiple-input and multiple-output based on the LED control system of WIFI technology provided by the invention, because the separate data of carrying out are handled between each road signal of multiple input signals, improved the channel signal to noise ratio, solved the multipath effect problem, and under not by the situation that strengthens transmitting power, this control system adopts the mode of many outputs can effectively utilize transmitting power, the utilance of system power is provided, play energy-conservation effect, can also improve the coverage of system signal; Moreover because every road signal adopts processing such as absolute coding, the system that makes is not vulnerable to the interference of external environment, has improved antijamming capability.
Above-described embodiment is preferred implementation of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not run counter to change, the modification done under spiritual essence of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. the LED control system based on the WIFI technology is characterized in that described control system comprises terminal, is used to the client that the interactive information of LED is provided;
First module is used for gathering LED information;
And second module, be used for receiving and handle from the data of described terminal and the emission of first module and be used for to described terminal emission led state information with to the control command of described first module emission from the client;
Described terminal, second module and first module communicate to connect successively mutually.
2. the LED control system based on the WIFI technology according to claim 1, it is characterized in that, described first module comprises a WIFI module, led module and transducer, the output of described led module is connected with described transducer, the output of described transducer is connected with a described WIFI module, the output of a described WIFI module is connected with described led module, and a described WIFI module also intercoms with described second module mutually by the mode of wireless telecommunications.
3. the LED control system based on the WIFI technology according to claim 2 is characterized in that, a described WIFI module is connected with described led module by wired mode.
4. the LED control system based on the WIFI technology according to claim 2 is characterized in that described transducer comprises optical sensor.
5. the LED control system based on the WIFI technology according to claim 1, it is characterized in that, described second module comprises control centre and the 2nd WIFI module, described control centre and the 2nd WIFI module interconnect, described control centre and terminal communicate to connect mutually, and described the 2nd WIFI module is connected with the mutual communication of described first module by the mode of wireless telecommunications.
6. according to any described LED control system based on the WIFI technology of claim 2～4, it is characterized in that, a described WIFI module comprise transmitting chain, input link, radio-frequency module and with the interconnective radio-frequency antenna of described radio-frequency module; The output of described transmitting chain is connected with described radio-frequency module, and the output of described radio-frequency module is connected with described input link.
7. the LED control system based on the WIFI technology according to claim 6, it is characterized in that, described transmitting chain comprises scrambler, encoder, interleaver, demultiplexer, parallel-to-serial converter and many emission data handle link, described scrambler, encoder, interleaver and demultiplexer link to each other successively, described demultiplexer is connected with many emission data handle link respectively, the output of described many emission data handle link all links to each other with described parallel-to-serial converter, and the output of described parallel-to-serial converter is connected with described radio-frequency module.
8. the LED control system based on the WIFI technology according to claim 7, it is characterized in that, described each emission data handle link comprises modulator, IFFT and adds Cyclic Prefix, described modulator, IFFT and add Cyclic Prefix and connect successively, the input of described modulator is connected with described demultiplexer, and the described output that adds Cyclic Prefix is connected with described parallel-to-serial converter.
9. the LED control system based on the WIFI technology according to claim 6, it is characterized in that, described input link comprises deserializer, many input data handle link, multiplexer, deinterleaver, solution encoder and descrambler, the output of described deserializer is connected with many input data handle link respectively, the output of described many input data handle link all links to each other with described multiplexer, and described multiplexer, deinterleaver, solution encoder and descrambler are connected successively.
10. the LED control system based on the WIFI technology according to claim 9, it is characterized in that, described each input data handle link comprises Cyclic Prefix, FFT and demodulator, described Cyclic Prefix, FFT and the demodulator of going is connected successively, the described input of Cyclic Prefix that goes is connected with described deserializer, and the output of described demodulator is connected with described multiplexer.
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| CN2013101452783A CN103249225A (en) | 2013-04-10 | 2013-04-10 | WiFi (Wireless Fidelity) technology-based LED control system |
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| CN2013101452783A CN103249225A (en) | 2013-04-10 | 2013-04-10 | WiFi (Wireless Fidelity) technology-based LED control system |
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Cited By (1)
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| CN110824946A (en) * | 2019-11-27 | 2020-02-21 | 南京博联智能科技有限公司 | Intelligent equipment control system and method based on WiFi ad hoc network |
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Application publication date: 20130814 |