CN104639182A - Passive communication method - Google Patents
Passive communication method Download PDFInfo
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- CN104639182A CN104639182A CN201310568185.1A CN201310568185A CN104639182A CN 104639182 A CN104639182 A CN 104639182A CN 201310568185 A CN201310568185 A CN 201310568185A CN 104639182 A CN104639182 A CN 104639182A
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Abstract
An embodiment of the invention provides a passive communication method. The method includes: sensing and capturing wireless electromagnetic wave signals; converting the wireless electromagnetic wave signals into electric energy; coding information to be transmitted and then transmitting the information. With the passive communication method based on environmental signal reflection, energy can be acquired form radio waves in the surrounding environment, the information can be transmitted by the aid of the energy, transmitting of the passive information can be realized, and the passive communication method can be used under extreme conditions or on some passive monitoring points.
Description
Technical field
The present invention relates to the communication technology, especially a kind of passive communication method based on ambient signal reflection.
Background technology
The electronic product that people's routine use arrives, all needs to consume electric energy, such as mobile phone, if there is no power supply or power depletion, then any work cannot be carried out, especially, in some cases, we need the electronic equipment of some long-time running, such as, carry out monitoring for a long time etc., on the one hand, need electric energy to meet the operation of the components and parts of equipment own, on the other hand, along with the development of Internet of Things, the information interaction between object also needs the support of electric energy.
In fact, various energy is filled with in the environment of our life, such as solar energy, many manufacturers have been had to develop to utilize solar energy to provide the equipment of continuation of the journey for electronic product, solar energy is a kind of clean energy beyond doubt, but the acquisition of solar energy is not reliable, further, the miniaturization of solar panels and efficiency remain a larger technical bottleneck.
In addition, also has a kind of technology, utilize sound wave to generate electricity, such as, while soundproof wall is installed in the both sides of expressway, sound collecting is got up, and for doing work to piezoelectric, producing electric energy can be used for the street lamp in roadside to use, and this technology is extraordinary, but the sound source of depending on, if relatively quietly local, cannot use.
But, start have people to be studied the generating of almost ubiquitous radio wave at one's side, and the radio wave that success utilizes gets the electric current of trace, these radio waves comprise the artificial transmitting radio wave of TV signal, mobile phone signal, WIFI signal etc., all can realize catching it and obtaining energy, but these electric currents are comparatively faint, temporarily effective charging effect cannot be realized.
But, under some extreme condition, as emergency or when not establishing for a long time monitoring etc. to need the transmission of the information of carrying out, when were it not for power supply or power depletion, we need a kind of passive information transmitting apparatus and method, can realize in the absence of a power supply, the past extraneous transmission information continued.
Summary of the invention
The embodiment of the present invention proposes a kind of passive communication method, comprises induction and catches radio magnetic wave signal; Radio magnetic wave signal is converted into electric energy; Send after encoding needing the information sent.
Further, also comprise, the information after received code carries out decoding and exporting.
Further, the described information needing transmission is the information preset.
Further, the described information needing to send is by the input of induction button.
Further, described Code And Decode adopts Morse code.
Further, adopt dipole antenna induction and catch radio magnetic wave signal.
Further, described radio magnetic wave signal is wireless television signal.
The passive communication method based on ambient signal reflection that the embodiment of the present invention provides, energy can be obtained from the radio wave surrounding environment, and utilize this energy to realize the transmission of information, thus can realize sending without source information, can under extreme conditions or on some passive monitoring point use.
Accompanying drawing explanation
Fig. 1-1 shows a kind of structure chart of the communicator based on ambient signal reflection;
Fig. 1-2 shows the another kind of structure chart of the communicator based on ambient signal reflection
Fig. 2 shows the communication means flow chart based on ambient signal reflection;
Schematic diagram is associated between each unit of communication means of Fig. 3 displaying based on ambient signal reflection;
Fig. 4 is the passive sensing network formation schematic diagram based on Internet of Things.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, example of the present invention is shown in the drawings, although will describe the present invention in conjunction with these embodiments, should be appreciated that it does not really want to limit the invention to these embodiments.On the contrary, this invention is intended to cover the replacement that can be included in spirit and scope that claims limit, amendment and equivalents.In addition, in the following detailed description of the embodiment of the present invention, propose a lot of detail and thoroughly understood to make the present invention.But, persons of ordinary skill in the art will recognize that and do not have these details also can implement the present invention.In other example, in order to unnecessarily fuzzy aspect of the present invention, do not describe known method, process, parts and circuit in detail.
The some parts below described in detail represents according to process, step, logical block, process and other symbol to the operation of the data bit that can perform on computer storage to propose.These describe and represent be the technical staff of data processing field use, in order to the essence of its work being conveyed to most effectively the means of other technical staff of this field.Here, process, computer perform step, logical block, process etc. be usually envisioned for cause the step of expected result or instruction be certainly in harmony sequence.Described step is the step of the physical manipulation needed physical quantity.Usually, although unnecessary, this tittle adopts the form of the electrical or magnetic signal that can store in computer systems, which, transmit, combine, relatively or in addition handle.Verified, mainly in order to the reason of public use, it is easily sometimes that these signals are called position, value, element, symbol, character, project, numeral etc.
But should keep firmly in mind, all these should be associated with suitable physical quantity with similar term and be only be applicable to the convenient of this tittle mark.Unless specifically stated otherwise, otherwise institute is apparent as described below, should understand in whole the present invention, term used is discussed, as " association " or " identification " or " reproduction " or " needs " or " determination " or " repetition " or " execution " or " detection " or " guiding " etc., refer to action and the process of electronic system or similar electronic computing device, its by the RS of electronic equipment be expressed as data manipulation that physics (electronics) measures and the such information of electronic device memory or register or other that is transformed into stores, transmission or display device in other data being expressed as physical quantity similarly.
Along with the development of technology, the mankind broadcast various wireless electromagnetic wave radiation in environment, such as wireless television signal, wireless communication signals, radio broadcasting signal etc., these wireless electromagnetic wave radiation have filled the environment of ours at one's side, but but not see by eyes.
Someone starts to utilize these radio magnetic waves to provide energy and practical function very early, and such as, crystal receiver, does not namely use power supply, only has the broadcast receiver of a semiconductor element in circuit, can realize receiving radio broadcasting signal and reduce playing back.Along with the development of technology, have also appeared the mode can wireless television signal, wireless communication signals being caught and be intercepted energy.
Communicator based on ambient signal reflection of the present invention is exactly based on background radio signals in environment, the device that energy harvesting and information as signals such as TV, broadcast, WIFI send.
Fig. 1-1 illustrates the communication apparatus structure figure reflected based on ambient signal according to the displaying of a kind of exemplary embodiments of the present invention.
In Fig. 1-1, the communicator illustrated based on ambient signal reflection comprises and fills control unit 100 and antenna element 200, described antenna element 200 realize signal induction, catch, receive and send, described control unit 100 comprises background signal trapping module 101, signal receiving module 102, signal transmitting module 103 and Logic control module 104.
Described background signal trapping module 101, the radio magnetic wave signal that antenna element 200 detects and inputs is caught and power conversion, in order to distinguish the radio magnetic wave signal of this input, by its called after background signal, background signal can be wireless television signal, radio broadcasting signal and wireless communication signals, depend on the process type of antenna element 200 and background signal trapping module 101, after radio magnetic wave signal is converted to electric energy by background signal trapping module 101, be provided to described Logic control module 104.
Described Logic control module 104 is Micro Energy Lose devices, the predeterminable information needing to send in control circuit, such as distress signal, or read sensor signal, as the temperature information of temperature sensor, becomes to need the information sent by it by coded modulation.Coding can adopt such as Morse coded system.Described Logic control module 104 will pass through the information transmission of coding to signal transmitting module 103.
Described signal transmitting module 103 is connected with antenna element 200, and adopts antenna element 200 identical signal type coded message to be sent.
Described signal receiving module 102, the coded message of the signal removed beyond background signal in the radio magnetic wave signal that antenna element 200 can be detected receives, that is, signal receiving module is the code signal being responsible for receiving the communicator transmission that another one reflects based on ambient signal.The code signal received is transferred to Logic control module 104 by described signal receiving module 102, obtains original transmitted information after decoding.
Fig. 1-2 illustrates the communication apparatus structure figure reflected based on ambient signal according to the displaying of another kind of exemplary embodiments of the present invention.
In Fig. 1-2, the communicator illustrated based on ambient signal reflection comprises and fills control unit 100 and antenna element 200, described antenna element 200 realize signal induction, catch, receive and send, described control unit 100 comprises background signal trapping module 101, signal receiving module 102, signal transmitting module 103, Logic control module 104, output module 105 and input module 106.
Described background signal trapping module 101, the radio magnetic wave signal that antenna element 200 detects and inputs is caught and power conversion, in order to distinguish the radio magnetic wave signal of this input, by its called after background signal, background signal can be wireless television signal, radio broadcasting signal and wireless communication signals, depend on the process type of antenna element 200 and background signal trapping module 101, after radio magnetic wave signal is converted to electric energy by background signal trapping module 101, be provided to described Logic control module 104.
Described Logic control module 104 is Micro Energy Lose devices, the predeterminable information needing to send in control circuit, such as distress signal, or read sensor signal, as the temperature information of temperature sensor, or by the information etc. that input module 106 inputs, become to need the information sent by coded modulation by it.Coding can adopt such as Morse coded system.Described Logic control module 104 will pass through the information transmission of coding to signal transmitting module 103.When described Logic control module 104 works, can by it by the form output display of state by indicator light.
Described signal transmitting module 103 is connected with antenna element 200, and adopts antenna element 200 identical signal type coded message to be sent.
Described signal receiving module 102, the coded message of the signal removed beyond background signal in the radio magnetic wave signal that antenna element 200 can be detected receives, that is, signal receiving module is the code signal being responsible for receiving the communicator transmission that another one reflects based on ambient signal.The code signal received is transferred to Logic control module 104 by described signal receiving module 102, obtains original transmitted information after decoding.
The original transmitted information obtained after decoding can be exported by described output module 105, and the way of output can adopt the mode such as directly display or the display of blinking light coding.
As shown in Figure 2, be the communication means flow chart that the present invention shows based on ambient signal reflection:
201, antenna element 200 responds to background signal, and catches.
202, the power conversion of radio magnetic wave in background signal is electric energy by background signal trapping module 101, and is provided to Logic control module 104.
203, the information content that Logic control module 104 sends as required is encoded, and obtains the coded message needing to send.
204, coded message is sent by antenna power 200 again.
205, another antenna element 200 based on the communicator of ambient signal reflection is responded to and catches background radio signals.
206, the power conversion of radio magnetic wave in background signal is electric energy by background signal trapping module 101, and is provided to Logic control module 104.
207, antenna element 200 receives other coded messages of sending of communicator based on ambient signal reflection, and is provided to Logic control module 104 and decodes.
208, export decoded information.
Schematic diagram is associated between each unit of communication means of Fig. 3 displaying based on ambient signal reflection:
301, wireless signal transmission tower, such as television signal transmission tower, broadcast emission tower etc., described wireless signal transmission tower outwards sends radio magnetic wave signal 303.
302, for the communicator based on ambient signal reflection shown in Fig. 1-1 or Fig. 1-2, in order to distinguish, be labeled as A device and B device, A, B device can obtain energy from radio magnetic wave signal 303, and A device is provided with sending mode, the coded message 304 of information after coding is sent, and coded message 304 can receive by B device, and decoded back information.
Fig. 4 is the passive sensing network formation schematic diagram based on Internet of Things:
400, by several with transducer based on ambient signal reflect communicator 401 form, in order to distinguish, be labeled as A, B, C, D, E etc. respectively, these communicators 401 based on ambient signal reflection with transducer can with various transducer, such as temperature sensor, humidity sensor, shock sensor, range sensor etc., according to different monitoring purposes, configure different transducers.Communicator 401 based on ambient signal reflection based on different carriers, such as, can be attached on building, or on household supplies, according to the difference depending on carrier, thus forms the sensor network of a different spaces distribution.
The information that default information or transducer obtain can both be sent by antenna by each communicator 401 based on ambient signal reflection with transducer, and these information can be had the relay and control platform 402 of same antenna catch, described relay and control platform 402 can be a relaying platform with power supply comprising as communicator 401 structure based on ambient signal reflection with transducer, in responsible collecting sensor network, each is with the information sent out based on communicator 401 node of ambient signal reflection of transducer, after can preliminary treatment being carried out, the remote monitoring platform 403 of specifying is sent to again by wired or wireless mode, thus make laid whole sensor network data can converge to remote monitoring platform 403, realize monitoring and analyze.
According to the passive sensor network disclosed in Fig. 4, the present invention also provides another kind of embodiment: building monitoring system, namely, the communicator 401 based on ambient signal reflection with distance and/or shock sensor is laid in architectural, the load-bearing fulcrum of such as building can be laid in, the key point of stress point and other needs monitoring.
The monitoring network of rear formation one to described building general status laid by the described communicator 401 based on ambient signal reflection with distance and/or shock sensor, especially, range sensor is for monitoring the distance between other communicators 401 contiguous, if distance change exceedes certain threshold value, such as 1 centimetre, then can judge that building local or entirety there occurs comparatively large deformation.Use the vibration information that shock sensor obtains, if exceed certain threshold value, as 5 centimetres, can judge that this building is in abnormal condition, this setting may be used for the deformation monitoring to bridge.
Monitoring information is sent to relaying monitor supervision platform by described monitoring network in real time, then is transferred to remote monitoring platform by relaying monitor supervision platform, realizes remote monitoring.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (7)
1. a passive communication method, comprises induction and catches radio magnetic wave signal; Radio magnetic wave signal is converted into electric energy; Send after encoding needing the information sent.
2. passive communication method as claimed in claim 1, it is characterized in that, also comprise, the information after received code carries out decoding and exporting.
3. passive communication method as claimed in claim 1, is characterized in that, the described information needing transmission is the information preset.
4. passive communication method as claimed in claim 1, is characterized in that, the described information needing to send is by the input of induction button.
5. passive communication method as claimed in claim 1, is characterized in that, described Code And Decode adopts Morse code.
6. passive communication method as claimed in claim 1, is characterized in that, adopts dipole antenna induction and catches radio magnetic wave signal.
7. the passive communication method as described in any one of claim 1-6, is characterized in that, described radio magnetic wave signal is wireless television signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310568185.1A CN104639182A (en) | 2013-11-15 | 2013-11-15 | Passive communication method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310568185.1A CN104639182A (en) | 2013-11-15 | 2013-11-15 | Passive communication method |
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| CN104639182A true CN104639182A (en) | 2015-05-20 |
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| CN201310568185.1A Pending CN104639182A (en) | 2013-11-15 | 2013-11-15 | Passive communication method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106454744A (en) * | 2016-12-01 | 2017-02-22 | 广州杰赛科技股份有限公司 | Transmission method and transmission device for dynamic position information and terminal |
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| CN102831457A (en) * | 2012-08-24 | 2012-12-19 | 广州中盈物流科讯有限公司 | Passive RFID ((Radio Frequency Identification Device) temperature sensor label |
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| JP4303278B2 (en) * | 2006-10-20 | 2009-07-29 | 東芝Ｉｔコントロールシステム株式会社 | Passive wireless tag and wireless tag system |
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| CN102810147A (en) * | 2011-06-02 | 2012-12-05 | 3M创新有限公司 | IC (integrated circuit) card read and wireless transmission device, passive display unit and IC card |
| CN202159352U (en) * | 2011-07-08 | 2012-03-07 | 深圳市远望谷信息技术股份有限公司 | Temperature measurement system used for train part |
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Application publication date: 20150520 |