CN103248638A - Internet of Things system based on power transmission line - Google Patents
Internet of Things system based on power transmission line Download PDFInfo
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- CN103248638A CN103248638A CN2012100245705A CN201210024570A CN103248638A CN 103248638 A CN103248638 A CN 103248638A CN 2012100245705 A CN2012100245705 A CN 2012100245705A CN 201210024570 A CN201210024570 A CN 201210024570A CN 103248638 A CN103248638 A CN 103248638A
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Abstract
The invention relates to an Internet of Things system based on a power transmission line. The system comprises a communication platform based on the power transmission line, a control platform based on microprocessors, and an Internet of Things sensing platform based on a sensor, wherein the communication platform comprises one or more power line communication modulation/demodulation units mutually connected with an electricity transmission line network through a power line coupling unit; the control platform comprises one or more microprocessors which are converted and mutually connected with the Internet through a protocol conversion unit; and the Internet of Things sensing platform comprises a plurality of sensors which are separately arranged in user unit materialization or biology monitoring points of various application scenes outside. According to the Internet of Things system based on the power transmission line, on the premise of use of power in life scenes and production scenes, interfaces and software systems are converted, so that electric objects in all application scenes can access to the Internet conveniently, the defects of shortened service life caused by power supply of a node battery, as well as mutual interference of multipoint launching of wireless radio wave and the like can be overcome, and the convenience and the reliability of construction of the Internet of Things are achieved.
Description
Technical field
Content of the present invention belongs to the technical field of setting up of network architecture system, relates to a kind of Internet of things system based on power transmission lines that is suitable at extraneous each application scenarios (life scene and production scene etc.) subscriber unit structure.
Background technology
In the current era that communication network further extends to the user, network connection realizes the interconnected of person to person by the internet that passes through in the past, develops into by Internet of Things and realizes the interconnected of the interconnected and people of thing and thing and thing.The class that the Internet of Things industry comprises is very huge, not only comprise transducer, radio-frequency (RF) identification, GPS, also relate to the network platform industry of next generation network support and the every aspect of economic and social life, therefore, make up the sound development that effective Internet of Things is related to the various industrial chains of current society.
In Internet of Things constructing technology in the past, based on transducer and by WLAN and to use the method for IEEE802.15.4 agreement be the most frequently used construction method.This method is used for military scene the earliest for setting up network connection between the operational weapon, has and disposes quick, flexible characteristic.But having in the life scene and production scene of family, industry, agricultural etc. of more heterogeneous pass with the people's livelihood, this method but exists interactive interference serious, the shortcoming of node life-span weak point etc., after all in these scenes, flexibly and motor-drivenly recede into the background, problem that the person will at first consider that convenient, reliable and integrated service demand then becomes the structure.
Summary of the invention
The objective of the invention is to the problem that prior art exists is solved, to use electric power to be precondition in life scene and the production scene, provide a kind of lost of life and radio wave multiple spot that can link to each other with the internet easily and can avoid the node powered battery to cause to launch defectives such as phase mutual interference, thereby realize that Internet of Things makes up convenient reliable Internet of things system based on power transmission lines.
The technical solution that adopts is so for achieving the above object; Provide based on the Internet of things system of power transmission lines by based on the communications platform of power transmission lines, form based on control platform and sensor-based thing connection aware platform three parts of microprocessor, wherein, (one), comprise one or more power line communication modulation/demodulation unit by power line coupling unit and the power transmission line network interconnection based on the communications platform of power transmission lines; (2), comprise based on the control platform of microprocessor and one or morely changing and interconnected microprocessor by conversion unit of protocol and Internet network, one of control end of microprocessor control output driver element connects with the output of power line communication modulation and demodulation unit, to finish the controlled output of data, the control end of microprocessor two by the defeated controlling organization input that is connected to extraneous each application scenarios subscriber unit of actuator unit, to finish the control of environment to external world, microprocessor and Date Conversion Unit are finished Data Format Transform; (3), sensor-based thing connection aware platform comprises a plurality of transducers that are divided into extraneous each application scenarios subscriber unit materialization or biological monitoring point, each signal of sensor is failed the perceptual signal input that is connected to microprocessor through the induction element access unit.
Technical solution of the present invention also is: the communications platform based on power transmission lines links to each other with power transmission lines by power line coupling interface unit, under the manipulation based on the control platform of microprocessor, obtain the data that sensor-based thing connection aware platform provides, control platform based on microprocessor passes through induction element access unit and wireless or wired sensor network interconnection, and by conversion unit of protocol and Internet interconnection, power transmission lines, communications platform based on power transmission lines, constitute a holonomic system based on microprocessor control platform and sensor-based thing connection aware platform, under the control and protocol specification that constitute with software, realize the business that Internet of Things requires.In concrete network architecture design, it does not do any asking to position, the distance of all sensor nodes.In the real work, can within same transformer scope, be physical media with the existing power transmission line based on the communications platform of power transmission lines, utilize the frequency band transmission mode to provide the data of highly reliable, low error rate, middling speed or low rate to transmit.Guaranteed the effectively interconnected of communications platform and electric power transmission network, Internet and wireless sensor network, household electrical appliance in life scene and the production scene, industry, agricultural production equipment etc. can be inserted at any time, easily in any position of electric power transmission network, and can realize the exchanges data of full process and full network.
Technical solution of the present invention also is: the communications platform based on power transmission lines is made up of input filter circuit, pre-amplification circuit, power line communication modulation/demodulation unit, the output of power line coupling unit passes to the input of power line communication modulation/demodulation unit successively through input filter circuit and pre-amplification circuit, the output of power line communication modulation/demodulation unit connects to the output driver element, is coupled on the power line through the power line coupling unit again.
Technical solution of the present invention also is: include (one), microprocessor and the software architecture of developing for it on the control platform based on microprocessor; (2), be the protocol architecture of standard Internet of Things signal post exploitation; (3), the protocol architecture for realizing developing based on Internet of Things and the mutual conversion between the wireless sensor network of power transmission lines; And (four), be the interconnected switching node of developing and protocol architecture between realizing netting with Internet based on the Internet of Things of power transmission lines.In the real work, the control aspect that supports by the software architecture by microprocessor and exploitation for it, tissue and the orderly work of coordinating communication platform, these work comprise that the data structures of the various different sensors on the communications platform is changed, the protocol conversion between protocol conversion, wireless senser and the wired sensor between the heterogeneous network and based on the Internet of Things of power transmission lines and the protocol conversion between the Internet.
Technical solution of the present invention also is: the transducer, audio-video collection device, the two-dimensional bar code that comprise the used multiple information of perception of life scene and production scene on sensor-based thing connection aware platform are read identifier etc., in the real work, thing connection aware platform can with life scene and production scene needed with guarantee health, ensure safety, increase work efficiency, improve the quality of living relevant informational linkage together, by the service and decision-making processing mechanism, effectively realize the service goal of expection.
Compare with the Internet of things system that the wireless networking technology is set up that utilizes in the past, the present invention is physical media with the existing power transmission line, construction networking within same transformer scope, and utilize that the frequency band transmission mode provides that the data of highly reliable, low error rate, middling speed or low rate transmit, conversion and differentiating, effectively avoided the lost of life, the emission phase mutual interference of radio wave multiple spot and radio wave that the node powered battery causes to the influence of environment.In the technology of the present invention was used, the object of all electricity consumptions in life scene and production scene all can be by in the access network easily, thereby realizes convenient, the reliable structure of Internet of things system.
Description of drawings
Fig. 1 is based on the node block diagram of the Internet of things system of power transmission lines.
Fig. 2 is the interface block diagram of communications platform and electric power transmission network.
Fig. 3 is the interface block diagram of communications platform and Internet net.
Fig. 4 is the interface block diagram of communications platform and wireless sensor network.
Fig. 5 is a kind of overall network architecture figure of the Internet of things system based on power transmission lines.
Fig. 6 is based on the life scene network diagram of the Internet of things system of power transmission lines.
Fig. 7 is based on the industrial production scene network diagram of the Internet of things system of power transmission lines.
Fig. 8 is based on the agricultural production scene network diagram of the Internet of things system of power transmission lines.
Each number designation is respectively in the accompanying drawing: 11-power line coupling unit, 12-exports driver element, 13-power line communication modulation/demodulation unit, the 131-pre-amplification circuit, 132-input filter circuit (131,132 are included in 13), the 14-Date Conversion Unit, 15-microprocessor, 151-Control on Communication, the input of 152-data, 153-data output (151,152,153 are included in 15), 16-conversion unit of protocol, 161-proprietary protocol and 802.3 protocol conversions, 162 proprietary protocols and 802.15.4 protocol conversion (161,162 are included in 16), 17-induction element access unit, 18-actuator unit, 19-Internet network.
Embodiment
Below with reference to accompanying drawing content of the present invention is described further, but practical application form of the present invention is not limited in following embodiment.
The method that Internet of things system of the present invention makes up is based on the communication technology of power transmission lines.Power line communication technology refer to utilize the existing power transmission line undertaken by modulation and demodulation mode in, the technology of low speed digital signal transmission, as long as its maximum characteristics are that power line is arranged, just can carry out the data transmission.The basic principle of power line communication is to utilize existing power distribution network circuit, at transmitting terminal data-signal being loaded on power line transmits, again signal demodulation from electric wire is come out at receiving terminal, and be sent to processor and handle, like this, power transmission line is the physical media of Internet of things system of the present invention.
The operation principle structure of this Internet of things system as shown in Figure 1, it is by the communications platform based on power transmission lines, control platform and sensor-based thing connection aware platform three parts based on microprocessor are formed, be core with the microprocessor, connect the power line communication platform below, connect sensor cluster above, middle Internet and the wireless network of linking, finish the adaptive and protocol conversion of circuit, guarantee different objects, different attribute, the object-object of different business demand, people-thing is interconnected, guarantees that simultaneously this Internet of Things and Internet are interconnected and guarantees that this Internet of Things and wireless network are interconnected.
Based on the communications platform of power transmission lines comprise Internet of Things framework based on power transmission lines again, based on the Internet of Things proprietary communication protocol of power transmission lines, based on the Internet of Things of power transmission lines and the protocol conversion between the Internet and based on Internet of Things and four sub-aspects of the protocol conversion between the wireless sensor network of power transmission lines.Hardware configuration arranges, and this communications platform comprises one or more by the power line communication modulation and demodulation unit 13 of power line coupling unit 11 with the power transmission line network interconnection.A kind of application structure example of this communications platform as shown in Figure 2, the formation of this part is by power line coupling unit 11, input filter circuit 132, pre-amplification circuit 131, power line communication modulation and demodulation unit 13 is formed, the information flow of this part enters the input that input filter circuit 132 and pre-amplification circuit 131 pass to power line communication modulation and demodulation unit 13 through power line coupling unit 11 successively, the output of power line communication modulation and demodulation unit 13 connects to output driver element 12, enter power line coupling unit 11 and send into power line, to realize the two-way transmission of data message in power transmission lines.This platform is mainly finished is the coupling of the data power-on and power-off line of force and handles according to relevant data, comprises sport technique segments such as modulation, coding.In concrete the enforcement, power line coupling unit 11 can adopt that model is 9014,9015, the device of 2SC1815,2SA1015,1N4148 etc., it is the device of PL3105, ES0191 etc. that power line communication modulation/demodulation unit 13 can adopt model, pre-amplification circuit 131 can adopt that model is 9050, the device of 1N4148, R, C etc., it is the device of JQ15, R, C etc. that input filter circuit 132 can adopt model, but the present invention is not limited only to adopt above-mentioned device
Comprise based on the control platform of microprocessor and one or morely (to contain 161 by conversion unit of protocol 16,162) change and interconnected microprocessor 15 with Internet network 19, one of control end of microprocessor 15 control output driver element 12 connects with the output of power line communication modulation and demodulation unit 13, also connect with power line coupling unit 11 by output driver element 12 simultaneously, two (instruction output ends) of the control end of microprocessor 15 are by the actuator unit 18 defeated controlling organization inputs that are connected to extraneous each application scenarios subscriber unit, can realize the communication process of data message full process and full network and the function that is connected with the Internet, communications platform of the present invention is not only communicated by letter in electrical network, and outside electrical network, also can communicate by letter.In concrete the enforcement, the model of microprocessor 15 can adopt 8051C, and output driver element 12 can adopt that model is 9014,9015, the device of 2SC1815,2SA1015,1N4148 etc., but the present invention is not limited only to adopt above-mentioned device.
The basis that sensor-based thing connection aware platform provides object-object to link to each other and link to each other with people-thing, it comprises a plurality of used transducer of the various information of perception that comprise subscriber unit materialization in life scene and the production scene or biological monitoring point, audio-video collection device, two-dimensional bar code reading identifiers etc. of being divided into, can with life scene and production scene needed with guarantee health, ensure safety, increase work efficiency, improve the quality of living relevant informational linkage together, by the service and decision-making processing mechanism, effectively realize the service goal of expection.Structure arranges, each signal of sensor is through the defeated perceptual signal input that is connected to microprocessor 15 of induction element access unit 17 (can adopt model is the device of LM135, AD590, LM3911, MAX6575, SH1100, HM1500 etc., but is not limited only to adopt above-mentioned device).Fig. 4 is the interface block diagram of communications platform and wireless sensor network, utilize this interface can realize another part of the communication process of data message full process and full network, in order to finish the function that communications platform is connected with wireless sensor network, the wireless sensor network of compatible current use better makes wired sensor network and wireless sensor network intercommunication.
System of the present invention basic functional principle is: the communications platform based on power transmission lines links to each other with power transmission lines by power line coupling interface unit, under the manipulation based on the control platform of microprocessor, obtain the data that sensor-based thing connection aware platform provides, control platform based on microprocessor interconnects by induction element access unit and wireless sensor network, and by conversion unit of protocol and Internet interconnection, power transmission lines, communications platform based on power transmission lines, constitute a holonomic system based on microprocessor control platform and sensor-based thing connection aware platform, under the control and protocol specification that constitute with software, realize the business that Internet of Things requires.
In universe network application structure of the present invention shown in Figure 5, after the variation of garden transformer, electric transmission network provides electrical power services with 380v and 220v alternating current dispensing garden.In the life scene, distinguish with building, door, floor and dwelling house, enter life scene coverage, after the production scene is divided with industry, agricultural production workshop, enter production scene coverage.All unit of accepting service insert in parallel, and characteristic impedance coupling therebetween and interference filtering must be accomplished.Be mainly solution reliable and orderly transmitting data information in power transmission lines based on the proprietary communication protocol of the Internet of things system of power transmission lines.Design and exploitation comprise frame format, data structure, transmission rate and the modulation system that information sends, receives.Internet of Things and the protocol conversion between the Internet based on power transmission lines are designated the Internet conversion, be the task equipment of exploitation, by achieving the goal to the conversion between power circuit communications platform proprietary protocol and Ethernet 802.3 agreements and to the realization of measures such as route distribution, congested control.And be designated wave point based on Internet of Things and the protocol conversion between the wireless sensor network of power transmission lines, it is the protocol conversion of design wireless sensor network and power communication platform, to adapt to the needs that the user moves freely in life scene and the production scene, cooperate wearable health sensor, can in time understand health state of user and offer guidance and suggestion.
As shown in Figure 6, in the Internet of Things network in the life scene, basic thing is joined needed sensory package (comprising temperature, humidity, smog, air quality, weight sensor and mobile object, disaster monitoring identifier and video etc.) separately or embed in household electrical appliance or the needed article, by being connected of wearable health care transducer and wave point, form the Internet of Things network, this Internet of Things network is finished between object-object, the people-thing interconnected.This Internet of Things provides various control to improve the quality of living according to the service parameter that living needs arranges, be embodied in eat, wear, live, aspects such as health care, home safety.
As shown in Figure 7, in the Internet of Things network in the industrial production scene, with the needed sensory package that comprises temperature, humidity, smog, air quality, weight sensor and mobile object, disaster monitoring identifier and video etc. of basic thing connection separately or embed in production equipment or the needed article, by being connected of wearable security transducer and wave point, form the Internet of Things network.This Internet of Things network embodies industrial production management and industrial safety production especially, is the main points that industrial scene is implemented.
As shown in Figure 8, in the Internet of Things network in the agricultural production scene, form the Internet of Things network with the needed sensory package that comprises temperature, humidity, smog, air quality, weight sensor and mobile object, disaster monitoring identifier and video etc. of basic thing connection separately or embed in production equipment or the needed article.This Internet of Things network embodies precision agriculture production management and agricultural safety in production especially, is the main points that agriculture scene is implemented.
Claims (5)
1. Internet of things system based on power transmission lines is characterized in that: by based on the communications platform of power transmission lines, form based on control platform and sensor-based thing connection aware platform three parts of microprocessor, wherein,
1.1 the communications platform based on power transmission lines comprises one or more by the power line communication modulation/demodulation unit (13) of power line coupling unit (11) with the power transmission line network interconnection;
1.2 comprise based on the control platform of microprocessor and one or morely to change and interconnected microprocessor (15) by conversion unit of protocol (16) and Internet network (19), one of control end of microprocessor (15) control output driver element (12) connects with the output of power line communication modulation and demodulation unit (13), the control end of microprocessor (15) two by the defeated controlling organization input that is connected to extraneous each application scenarios subscriber unit of actuator unit (18), microprocessor (15) is finished Data Format Transform with Date Conversion Unit (14);
1.3 sensor-based thing connection aware platform comprises a plurality of transducer or wireless sensers that are divided into extraneous each application scenarios subscriber unit materialization or biological monitoring point, each signal of sensor is through the defeated perceptual signal input that is connected to microprocessor (15) of induction element access unit (17).
2. the Internet of things system based on power transmission lines according to claim 1, it is characterized in that: the communications platform based on power transmission lines links to each other with power transmission lines by power line I/O coupling unit (11), under the manipulation based on the control platform of microprocessor, obtain the data that sensor-based thing connection aware platform provides, control platform based on microprocessor passes through induction element access unit (17) and wireless or wired sensor network interconnection, and by conversion unit of protocol (16) and Internet interconnection, power transmission lines, communications platform based on power transmission lines, constitute a holonomic system based on microprocessor control platform and sensor-based thing connection aware platform, under the control and protocol specification that constitute with software, realize the business that Internet of Things requires.
3. the Internet of things system based on power transmission lines according to claim 1, it is characterized in that: based on the communications platform of power transmission lines by input filter circuit (132), pre-amplification circuit (131), power line communication modulation/demodulation unit (13) is formed, the output of power line coupling unit (11) passes to the input of power line communication modulation/demodulation unit (13) successively through input filter circuit (132) and pre-amplification circuit (131), the output of power line communication modulation/demodulation unit (13) connects to output driver element (12), is coupled on the power line through power line coupling unit (11) again.
4. the Internet of things system based on power transmission lines according to claim 1 is characterized in that: include on the control platform based on microprocessor
4.1 microprocessor and the software architecture of developing for it;
4.2 be the protocol architecture of standard Internet of Things signal post exploitation;
4.3 be the protocol architecture of realizing developing based on Internet of Things and the mutual conversion between the wireless sensor network of power transmission lines; And
4.4 for realizing based on the Internet of Things of power transmission lines and the interconnected switching node of developing and the protocol architecture between the Internet net.
5. the Internet of things system based on power transmission lines according to claim 1 is characterized in that: comprise the used transducer of life scene and production scene, audio-video collection device, two-dimensional bar code reading identifier on sensor-based thing connection aware platform.
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| CN105024848A (en) * | 2015-06-01 | 2015-11-04 | 辽宁立德电力工程设计有限公司 | Smart power grid information management system based on wireless sensor network |
| CN105408834A (en) * | 2013-08-30 | 2016-03-16 | 英特尔公司 | Power management in circuit |
| CN106411666A (en) * | 2016-09-23 | 2017-02-15 | 常州信息职业技术学院 | Internet of Things home appliance system and communication method thereof |
| CN107113029A (en) * | 2015-01-06 | 2017-08-29 | 大众汽车有限公司 | Two-way communication in vehicle |
| CN109714077A (en) * | 2019-03-12 | 2019-05-03 | 华北电力大学（保定） | Middle voltage distribution networks carrier communication impedance matching methods and system based on network shatter value |
| CN110266434A (en) * | 2019-06-19 | 2019-09-20 | 上海明我信息技术有限公司 | A kind of equipment cut-in method, device, server and storage medium |
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Application publication date: 20130814 |