CN104753567A - Power line carrier and wireless Bluetooth bi-channel automatic switching system and method - Google Patents
Power line carrier and wireless Bluetooth bi-channel automatic switching system and method Download PDFInfo
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- CN104753567A CN104753567A CN201510169982.1A CN201510169982A CN104753567A CN 104753567 A CN104753567 A CN 104753567A CN 201510169982 A CN201510169982 A CN 201510169982A CN 104753567 A CN104753567 A CN 104753567A
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Abstract
The invention discloses a power line carrier and wireless Bluetooth bi-channel automatic switching system and method and belongs to the fields of Bluetooth communication and carrier communication. The power line carrier and wireless Bluetooth bi-channel automatic switching system comprises a Bluetooth transmission module, a power line carrier transmission module and a microcontroller module, the Bluetooth transmission module transmits and receives Bluetooth signals via Bluetooth, the power line carrier transmission module transmits data by power carrier channels, the microcontroller module detects carrier and Bluetooth signal strength, compares the signal strength and switches the channels, and the Bluetooth transmission module and the power carrier transmission module are connected with the microcontroller module respectively. The power line carrier and wireless Bluetooth bi-channel automatic switching system is applied into an intelligent home system, and home appliances like refrigerators and air conditioners are controlled via carriers or Bluetooth. Meanwhile, cellphones can be connected with household routers to automatically pay the fees online, and powerful guarantee is provided for realizing intelligentization of the home environment.
Description
Technical field
The present invention relates to a kind of power line carrier and wireless blue tooth double-channel automatic switchover system and method, belong to Bluetooth communication field and carrier communication field.
Background technology
At present, household controller (as remote controller) utilizes infrared induction, to realize the control operation to household electrical appliance.But infrared signal is easily by various thermal source, light source, the interference of radio-frequency radiation and thermal current.Therefore, nowadays the Smart Home of user is experienced unsatisfactory.The present invention is by providing a kind of power line carrier and wireless blue tooth double-channel automatic switchover system and method, and adopt parallel channel, two channels both can be worked alone, and can automatically switch again cooperates mutually.The present invention effectively ensure that the efficient and reliable of information transmission, provides sound assurance for realizing real intelligent residence environment easily.
Summary of the invention
The invention provides a kind of power line carrier and wireless blue tooth double-channel automatic switchover system and method, be applicable to smart home environment.
A kind of power line carrier and wireless blue tooth double-channel automatic switchover system, comprising:
Bluetooth communication modules, realizes the transmission of Bluetooth signal by bluetooth;
Power line carrier transmission module, realizes the transmission of data by power carrier channel;
Micro controller module: the detection realizing carrier wave and Bluetooth signal intensity, the comparison of signal strength signal intensity and the switching of channel;
Bluetooth communication modules, electric force carrier transmission module are connected with micro controller module respectively.
Bluetooth communication modules comprises: Bluetooth signal sending module, Bluetooth signal receiver module;
Power line carrier transmission module comprises: carrier signal sending module, carrier signal receiver module.
A kind of power line carrier and wireless blue tooth double-channel automatic switching method, comprise the following steps;
Step 1, information source initiate Signal transmissions.
Step 2, the stay of two nights send feedback frame according to the detection of Received signal strength and comparative result and carry out suggestion information source and switch to more excellent channel and send remaining information.
Step 3, information source switch to more excellent channel.
Step 4, every one period of cycle, the stay of two nights sends feedback frame by that analogy to guarantee the real-time of Channel Detection and assessment.
Preferably, the information that the invention enables can carry out transmitted in both directions between controller (as remote controller, mobile phone) and home appliances.
The invention provides a kind of power line carrier and wireless blue tooth double-channel automatic switchover system and method, be mainly applicable in smart home environment.System is installed in various household appliances (as television set, air-conditioning, refrigerator, router) and makes can adopt Dual channel transmission pattern between household appliances and router, thus information can transmit from a more excellent channel.
The invention has the advantages that and facilitate user to the control of home appliances to realize the intellectuality of domestic environment.
By native system, controller can realize:
(1) the unified of multiple home appliances is controlled.
(2) obtain and the parameter that each home appliances is set to carry out suitable operation, safeguard or maintenance (as online automatic fee).
Bluetooth communication modules of the present invention realizes transmission and the reception of Bluetooth signal, power line carrier transmission module realizes transmission and the reception of carrier signal, micro controller module realizes the detection of carrier wave and Bluetooth signal intensity, the comparison of signal strength signal intensity and the switching of channel, the present invention, by comparing the received signal strength on bluetooth channel and carrier channel, carries out transfer of data to select a more excellent channel.These two channels both can work alone, and mutually can cooperate again by automatically switching.
Therefore, the present invention effectively ensure that the reliability of Signal transmissions.
Accompanying drawing explanation
When considered in conjunction with the accompanying drawings, by referring to detailed description below, more completely can understand the present invention better and easily learn wherein many adjoint advantages, but accompanying drawing described herein is used to provide a further understanding of the present invention, form a part of the present invention, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention, as schemed wherein:
Fig. 1 is block diagram of the present invention.
Fig. 2 is Bluetooth communication modules Bluetooth signal transmission schematic diagram.
Fig. 3 is power line carrier transmission module carrier signal transmission schematic diagram.
Fig. 4 is the workflow diagram of Channel assignment.
Fig. 5 is the workflow diagram of the first comparison module.
Fig. 6 is the workflow diagram of the second comparison module.
Fig. 7 is the workflow diagram of the 3rd comparison module.
Fig. 8 is application example figure of the present invention.
Embodiment
Below in conjunction with accompanying drawing and example, the specific embodiment of the present invention is described in further detail.Following examples are for illustration of the present invention.
Fig. 1 is the block diagram of a kind of power line carrier provided by the present invention and wireless blue tooth double-channel automatic switchover system.Wherein, system comprises three large modules: Bluetooth communication modules 1, power line carrier transmission module 2 and micro controller module 3.Bluetooth communication modules 1 is connected with micro controller module 3 respectively with power line carrier transmission module 2.
Embodiment 1: according to a kind of power line carrier provided by the present invention and wireless blue tooth automatic switchover system and method, system is installed in various household appliances (as television set, air-conditioning, refrigerator, router).The communication of system is initiated by information source, and signal arrives the stay of two nights by channel.Fig. 2 is Bluetooth communication modules Bluetooth signal transmission schematic diagram.
Information source Bluetooth communication modules 11: a kind of power line carrier and wireless blue tooth automatic switchover system are installed in various household appliances (as television set, air-conditioning, refrigerator, router).Therefore, information source Bluetooth communication modules can relate to all devices needing to initiate information transmission in intelligent domestic system.
A kind of power line carrier and wireless blue tooth double-channel automatic switchover system, comprising:
Bluetooth communication modules, realizes transmission and the reception of Bluetooth signal;
Bluetooth communication modules comprises: Bluetooth signal sending module, Bluetooth signal receiver module;
The transmission of Bluetooth signal and reception relate to information source Bluetooth communication modules 11, bluetooth channel 12, stay of two nights Bluetooth communication modules 16 and stay of two nights micro controller module 15.
Bluetooth communication modules comprises: dual-mode antenna 13 and on-off controller 14.
Information source Bluetooth communication modules 11: all devices needing to initiate information transmission in intelligent domestic system can be related to.
Information source Bluetooth communication modules 11 comprises: information source dual-mode antenna and information source on-off controller.
Information source dual-mode antenna can carry out transmission and the reception of Bluetooth signal, but in information source Bluetooth communication modules 11, the transmission of information source dual-mode antenna primary responsibility Bluetooth signal.
Information source on-off controller controls information source dual-mode antenna, and makes it play the effect of transmitting antenna.
Bluetooth channel 12: can transmission frequency electromagnetic free space of (2.4GHZ) within the scope of Bluetooth band.Bluetooth channel may suffer the interference of spatial noise.
Stay of two nights Bluetooth communication modules 16: stay of two nights Bluetooth communication modules 16 is identical with information source Bluetooth communication modules 11 on hardware, comprising: stay of two nights dual-mode antenna 13 and stay of two nights on-off controller 14.
Stay of two nights dual-mode antenna 13 can carry out transmission and the reception of Bluetooth signal, but in stay of two nights Bluetooth communication modules 16, the reception of stay of two nights dual-mode antenna 13 primary responsibility Bluetooth signal.
On-off controller 14 controls stay of two nights dual-mode antenna 13, and makes it play the effect of reception antenna.
Stay of two nights micro controller module 15: stay of two nights micro controller module 15 in Bluetooth signal transmission be responsible for Bluetooth signal intensity detection with compare.
Stay of two nights micro controller module 15 is one of them that micro controller module 3 selects device.
Embodiment 2: according to a kind of power line carrier provided by the present invention and wireless blue tooth automatic switchover system and method, system is installed in various household appliances (as television set, air-conditioning, refrigerator, router).The communication of system is initiated by information source, and signal arrives the stay of two nights by channel.Fig. 3 is power line carrier transmission module carrier signal transmission schematic diagram.
A kind of power line carrier and wireless blue tooth double-channel automatic switchover system, comprising:
Power line carrier transmission module, realizes the transmission of data by power carrier channel, realize transmission and the reception of carrier signal;
Power line carrier transmission module comprises: information source carrier transmission module 21, stay of two nights transport module 29;
Power line carrier transmission module relates to information source carrier transmission module 21, carrier channel 22, stay of two nights transport module 29 and stay of two nights micro controller module 15.
Stay of two nights transport module 29 comprises: send low noise amplifier 23, receives hardware filter 24, receives low noise power amplifier 25, receives hardware filter 26.
Information source carrier transmission module 21: a kind of power line carrier and wireless blue tooth automatic switchover system are installed in various household appliances (as television set, air-conditioning, refrigerator, router).
Information source carrier transmission module 21 can relate to all devices needing to initiate information transmission in intelligent domestic system.Information source carrier transmission module 21 is identical with on stay of two nights carrier transmission module in hardware construction, also comprises: send low noise amplifier 23, receives hardware filter 24, receives low noise power amplifier 25, receives hardware filter 26; In information source carrier transmission module 21, receive hardware filter, receive low noise power amplifier and receive hardware filter not in running order.
Send low noise amplifier 23 and can carry out power amplification to the carrier signal being about to be transmitted by power line.
Carrier channel 22: carrier channel 22 is power line, can transmitting pin transferring electric power line carrier signal.
Stay of two nights transport module 29 is identical with information source carrier transmission module 21 on hardware, and stay of two nights transport module 29 comprises: send low noise amplifier 23, receive hardware filter 24, receive low noise power amplifier 25 and receive hardware filter 26.
Send low noise amplifier 23 not in running order at this moment.
Receiving hardware filter 24 is general filter, is mainly used to the noise jamming etc. in filtering reception carrier signal.
Receive low noise power amplifier 25 to be used for amplifying reception carrier signal.Receive some interference that hardware filter 26 is used in further filtered signal.
Stay of two nights micro controller module 15: stay of two nights micro controller module 15 in carrier signal transmission be responsible for carrier signal strength detection with compare.
Embodiment 3: a kind of power line carrier and wireless blue tooth double-channel automatic switchover system, comprising:
Bluetooth communication modules, realizes the transmission of data by bluetooth;
Power line carrier transmission module, realizes the transmission of data by power carrier channel, realize transmission and the reception of carrier signal;
Micro controller module 3 is responsible for the detection of carrier wave and Bluetooth signal intensity, the comparison of signal strength signal intensity and the switching of channel.Wherein Channel assignment function is realized by software programming.
The hardware configuration of micro controller module 3:
Micro controller module 3 comprises carrier signal strength detector, Bluetooth signal intensity detector, microprocessor.
Carrier signal strength detector is used for detected carrier signal strength signal intensity.
Bluetooth signal intensity detector is for detecting Bluetooth signal intensity.
Carrier signal strength detector is connected with microprocessor respectively with Bluetooth signal intensity detector.
Microprocessor is deposited the Bluetooth signal intensity received and the strong mean value of carrier signal, and compares selective channel with the threshold value preset, then judges whether to need to automatically switch according to current transmission channel and comparative result.
If selective channel is the same with present channel, does not then need to switch, if different, then automatically switch into selected channel.
Embodiment 4: a kind of power line carrier and wireless blue tooth double-channel automatic switching method, comprise the following steps;
Step 1, information source initiate Signal transmissions;
Step 2, the stay of two nights send feedback frame according to the detection of Received signal strength and comparative result and carry out suggestion information source and switch to more excellent channel and send remaining information;
Step 3, information source switch to more excellent channel;
Step 4, every one period of cycle, the stay of two nights sends feedback frame by that analogy to guarantee the real-time of Channel Detection and assessment.
Preferably, the information that the invention enables can carry out transmitted in both directions between controller (as remote controller, mobile phone) and home appliances.
Fig. 4 is the workflow diagram of microcontroller implementation Channel assignment function, carrys out specific implementation by software programming.
Software programming comprises the first comparison module S1, and the second comparison module S2 and the 3rd comparison module S3. first comparison module, the second comparison module is connected successively with the 3rd comparison module, moves in circles.
By software programming, a series of threshold value is preset, and is stored in microprocessor.Threshold value will compare with the signal strength signal intensity measured by carrier signal strength detector and Bluetooth signal intensity detector.The comparison of signal strength signal intensity consists of three modules: the first comparison module S1, the second comparison module S2 and the 3rd comparison module S3.
Fig. 5, Fig. 6, Fig. 7 are respectively the first comparison module S1, the second comparison module S2, and the workflow diagram of the 3rd comparison module S3, is specifically realized by software programming.
As shown in Figure 5, the workflow of the first comparison module, containing as follows in steps:
Step 1, acquisition bluetooth, carrier signal strength;
Step 2, judge that Bluetooth signal intensity is more than or equal to x; Turn to step 3; No, turn to step 4;
Step 3, the transmission of maintenance bluetooth channel;
Step 4, enter the second comparison module.
As shown in Figure 6, the workflow of the second comparison module, containing as follows in steps:
Step 1, judge that Bluetooth signal intensity is more than or equal to and has y; Turn to step 2; No, turn to step 8;
Step 2, judge that Bluetooth signal intensity is more than or equal to and has m; Turn to step 3; No, turn to step 4;
Step 3, selection voltage Power Line Carrier Channel.
Step 4, judge that Bluetooth signal intensity is more than or equal to and has n; Turn to step 5; No, turn to step 6;
Step 5, selection wireless channel,
Step 6, selection wireless channel,
Step 8, enter the 3rd comparison module.
As shown in Figure 7, the workflow of the 3rd comparison module, containing as follows in steps:
Step 1, judge that Bluetooth signal intensity is more than or equal to and has n; Turn to step 2; No, turn to step 3;
Step 2, selection voltage Power Line Carrier Channel.
Step 3, keep present channel time delay; Enter the 3rd comparison module.
Embodiment 5: Fig. 8 is the application example figure of a kind of power line carrier provided by the invention and wireless blue tooth automatic switchover system.
As shown in Figure 8, in smart home environment, household appliances 100 (as air-conditioning, refrigerator, washing machine, ammeter, water meter etc.) and router one 10 have all installed this system.
Therefore, information transmission can be carried out by wireless blue tooth and power line carrier double-channel between household appliances and router.
Generally do not have power line interface due to general controller 120 (as mobile phone, remote controller etc.) and be moveable, voltage Power Line Carrier Channel is also not suitable for.
Therefore, between router one 10 with general purpose controller 120 only to be communicated by bluetooth channel.
By that analogy, between household appliances 100 with general purpose controller 120 also only to be communicated by bluetooth channel.When controller 120 pairs of household appliances control (as remote controller zapping) or transmission information to household appliances (making ammeter deposit the increase of electricity value after paying the electricity charge), controller 120 can select bluetooth channel directly to household appliances transmission information; Or can by bluetooth channel by information transmission to router one 10, then select a more excellent channel to come to household appliances 100 transmission information by router one 10.Identical, household appliances 100 both can directly use bluetooth channel to controller 120 transmission information, also can by using a relative more excellent channel to router one 10 transmission information.
Therefore, between router one 10 and household appliances 100, have employed dual-channel mode, ensure that effective fast transport of information.For intelligent residence environment provides strong guarantee.
Although the foregoing describe the specific embodiment of the present invention, but those skilled in the art is to be understood that, these embodiments only illustrate, those skilled in the art is not when departing from principle of the present invention and essence, various rational omission can be carried out to the details of said method and system, replace and change.Such as, merge said method step, thus perform the identical function of essence according to the method that essence is identical and realize the identical result of essence and then belong to scope of the present invention.
Claims (5)
1. power line carrier and a wireless blue tooth double-channel automatic switchover system, is characterized in that comprising:
Bluetooth communication modules, realizes transmission and the reception of Bluetooth signal by bluetooth;
Power line carrier transmission module, realizes the transmission of data by power carrier channel;
Micro controller module: the detection realizing carrier wave and Bluetooth signal intensity, the comparison of signal strength signal intensity and the switching of channel;
Bluetooth communication modules, electric force carrier transmission module are connected with micro controller module respectively.
2. a kind of power line carrier according to claim 1 and wireless blue tooth double-channel automatic switchover system, is characterized in that: Bluetooth communication modules comprises: Bluetooth signal sending module, Bluetooth signal receiver module;
Power line carrier transmission module comprises: carrier signal sending module, carrier signal receiver module.
3. a kind of power line carrier according to claim 1 and 2 and wireless blue tooth double-channel automatic switchover system, it is characterized in that: can be applied in intelligent domestic system, make information can adopt Dual channel transmission pattern between household appliances and router, thus information can transmit from a more excellent channel.
4. a kind of power line carrier according to claim 1 and 2 and wireless blue tooth double-channel automatic switchover system, is characterized in that: micro controller module is responsible for the detection of carrier wave and Bluetooth signal intensity, the comparison of signal strength signal intensity and the switching of channel;
Micro controller module comprises carrier signal strength detector, Bluetooth signal intensity detector and microprocessor;
Carrier signal strength detector is used for detected carrier signal strength signal intensity;
Bluetooth signal intensity detector is for detecting Bluetooth signal intensity;
Carrier signal strength detector is connected with microprocessor respectively with Bluetooth signal intensity detector;
Microprocessor is deposited the Bluetooth signal intensity received and the strong mean value of carrier signal, and compares selective channel with the threshold value preset, then judges whether to need to automatically switch according to current transmission channel and comparative result;
If selective channel is the same with present channel, does not then need to switch, if different, then automatically switch into selected channel.
5. power line carrier and a wireless blue tooth double-channel automatic switching method, is characterized in that comprising the following steps;
Step 1, information source initiate Signal transmissions;
Step 2, detection to received signal and compare;
Step 3, the stay of two nights send feedback frame according to the detection of Received signal strength and the result compared and carry out suggestion information source and switch to more excellent channel and send remaining information;
Step 4, information source switch to more excellent channel;
Step 5, every one period of cycle, the stay of two nights sends feedback frame by that analogy to guarantee the real-time of Channel Detection and assessment.
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| CN105548679A (en) * | 2015-12-18 | 2016-05-04 | 无锡小天鹅股份有限公司 | Power detection system and method of communication terminals |
| CN106571984A (en) * | 2016-09-21 | 2017-04-19 | 广东万和新电气股份有限公司 | Electric appliance communication control method and control terminal |
| CN107769819A (en) * | 2017-10-31 | 2018-03-06 | 北京小米移动软件有限公司 | Data transmission method, device, equipment and storage medium |
| CN108088045A (en) * | 2017-12-18 | 2018-05-29 | 广东美的制冷设备有限公司 | Switching method, air conditioner and the readable storage medium storing program for executing of air conditioner communication mode |
| CN109495389A (en) * | 2018-12-29 | 2019-03-19 | 深圳市力合微电子股份有限公司 | A kind of double-channel mixed logic dynamic algorithm based on water heater intelligent control application |
| WO2019165820A1 (en) * | 2018-03-02 | 2019-09-06 | 珠海格力电器股份有限公司 | Carrier channel control method and apparatus, storage medium, and processor |
| WO2019165825A1 (en) * | 2018-03-02 | 2019-09-06 | 珠海格力电器股份有限公司 | Communication implementation method and device for air conditioning unit, storage medium and processor |
| CN111629392A (en) * | 2020-06-12 | 2020-09-04 | 国网上海市电力公司 | Wireless local area network transmission node device for underground power station and signal transmission method |
| CN111683012A (en) * | 2020-05-09 | 2020-09-18 | 珠海格力电器股份有限公司 | Information reporting method and device, electronic equipment and storage medium |
| CN112598895A (en) * | 2020-11-16 | 2021-04-02 | 中国电力科学研究院有限公司 | System and method for preventing multi-channel conflict during electric energy meter verification |
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| CN105548679A (en) * | 2015-12-18 | 2016-05-04 | 无锡小天鹅股份有限公司 | Power detection system and method of communication terminals |
| CN106571984A (en) * | 2016-09-21 | 2017-04-19 | 广东万和新电气股份有限公司 | Electric appliance communication control method and control terminal |
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| WO2019165825A1 (en) * | 2018-03-02 | 2019-09-06 | 珠海格力电器股份有限公司 | Communication implementation method and device for air conditioning unit, storage medium and processor |
| US11609012B2 (en) | 2018-03-02 | 2023-03-21 | Gree Electric Appliances, Inc. Of Zhuhai | Communication implementation method and device for air conditioning units, non-transitory computer readable storage medium and processor |
| CN109495389A (en) * | 2018-12-29 | 2019-03-19 | 深圳市力合微电子股份有限公司 | A kind of double-channel mixed logic dynamic algorithm based on water heater intelligent control application |
| CN111683012A (en) * | 2020-05-09 | 2020-09-18 | 珠海格力电器股份有限公司 | Information reporting method and device, electronic equipment and storage medium |
| CN111629392A (en) * | 2020-06-12 | 2020-09-04 | 国网上海市电力公司 | Wireless local area network transmission node device for underground power station and signal transmission method |
| CN111629392B (en) * | 2020-06-12 | 2023-04-07 | 国网上海市电力公司 | Wireless local area network transmission node device for underground power station and signal transmission method |
| CN112598895A (en) * | 2020-11-16 | 2021-04-02 | 中国电力科学研究院有限公司 | System and method for preventing multi-channel conflict during electric energy meter verification |
| CN112598895B (en) * | 2020-11-16 | 2023-05-19 | 中国电力科学研究院有限公司 | System and method for preventing multichannel conflict during verification of electric energy meter |
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