CN101770592A - Vibration detection electronic tag and system based on touch pressure switch - Google Patents
Vibration detection electronic tag and system based on touch pressure switch Download PDFInfo
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- CN101770592A CN101770592A CN200910202097A CN200910202097A CN101770592A CN 101770592 A CN101770592 A CN 101770592A CN 200910202097 A CN200910202097 A CN 200910202097A CN 200910202097 A CN200910202097 A CN 200910202097A CN 101770592 A CN101770592 A CN 101770592A
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Abstract
The invention provides a vibration detection electronic tag and a system based on a touch pressure switch, which belong to the technical field of electronics. The electronic tag comprises a touch pressure switch, a vibration source sensor, an external power supply and an RFID chip, wherein the touch pressure switch is used for sensing the intensity of the pressure for determining the conduction state of electric signals, the vibration source sensor is used for sensing the vibration conditions of a target object to be detected, the external power supply is used for supplying the power to relevant functional structures, the RFID chip can trigger the normal work of the RFID chip per se after the supply current is received and the current reaches the intensity capable of triggering the chip to work, and the RFID chip also sends radio frequency signals to outside through an RFID antenna. The electronic tag system comprises a vibration detection type electronic tag, a radio frequency detector and a radio frequency vibration signal processing unit, wherein the radio frequency vibration signal processing unit is used for processing and converting radio frequency signals detected by the radio frequency detector into vibration data. The electronic tag and the system have the advantages of simple structure and low cost.
Description
Technical field
The invention belongs to electronic technology field, relate to a kind of RFID technology.
Background technology
RFID, or be called electronic tag.Supply mode according to the energy is divided into passive RFID, active RFID, and half active RFID.The passive RFID reading/writing distance is near; Active RFID can provide farther reading/writing distance, needs powered battery, but is applicable to remote read-write.
The principle of work of RFID is: electronic tag can receive the radiofrequency signal that plug-in reader sends, and the electromagnetic field of this radiofrequency signal for changing can obtain induction current in the electromagnetic field of this variation.Rely on the energy that this induction current obtained, can trigger the storage chip that is arranged in the electronic tag, send out the product information that is stored in this chip.For active electronic label, can initiatively send the electromagnetic signal of a certain frequency.Plug-in reader is distinguished after reading information, and hands server process over to.
Along with the large-scale production of RFID device, the price of RFID device is more and more lower.As basic radio-frequency transmissions device, RFID can also have application more and more widely.
At present, the vibration measuring instrument has the method by the laser excitation and vibration testing basically, and the vibration measuring that realizes by pure circuit structures such as sensor, A/D converter, single-chip microcomputers.For example, publication number be the patent of CN1487273A describe be by electron devices such as sensor, amplifying circuit, A/D change-over circuit, single-chip microcomputer and DSP circuit realize a kind of portable can only vialog.What publication number was that the patent of CN1255630A describes is the semiconductor laser measurer of shock of realizing target is carried out vibration measuring by modulated laser light beam and constant vibration measuring light beam and fibre-optical probe.
And this vibration detection electronic tag of the present invention and system, be based on that touch-pressure switch and RFID radio-frequency devices realize, utilize the vibration signal of the touch-pressure switch induction detection of a target, the current signal that vibration signal is converted into variation is transferred to the RFID chip, in the emission of making respective radio-frequency signals by the RFID chip, by the analyzing and processing of radiofrequency signal that RFID is sent, just draw the vibration situation of target object.At present, this technology of the present invention still is a new vibration measuring technology.
Summary of the invention
Purpose of the present invention is to provide a kind of vibration detection electronic tag based on touch-pressure switch, and supporting system, to realize the detecting function that vibrates by comprising electronic tag.
A kind of vibration detection electronic tag based on touch-pressure switch, it is achieved in that this electronic tag includes:
Touch-pressure switch, it is to be used to experience the construction of switch of pressure size with decision electric signal conducting degree;
The vibration source receptor is the device architecture that is used to experience the object vibration state that is detected;
The RFID chip after receiving supplying electric current, and reach the intensity of flip chip work when electric current after, just can touch the operate as normal of entire chip, and outwards send radiofrequency signal by the RFID antenna.
Further, described a kind of vibration detection electronic tag based on touch-pressure switch also has following technical characterictic:
Continuity signal at the variation of touch-pressure switch is provided with signal amplification circuit.
Corresponding vibration source receptor is provided with D/A converter module, will become digital signal via the analog-signal transitions after vibration source receptor and the touch-pressure switch processing.
Corresponding D/A converter module is provided with digital-to-analogue and transforms respective modules, in order to different digital signals by the specific rule of correspondence, be transformed into simulating signal again.
A kind of vibration detection electronic tag system based on touch-pressure switch, it is achieved in that this system includes:
Vibration detecting type electronic tag, it is the above-mentioned electronic tag that is used for vibration detecting;
Radio-frequency probe, it is the structure that is used to survey the radiofrequency signal that aforesaid vibration detecting type electronic tag launched;
Radio frequency vibration signal processing unit, it is to be used for radiofrequency signal that above-mentioned radio-frequency probe is detected, carries out the functional structure that analyzing and processing is transformed into vibration aspect data.
Further, described a kind of vibration detection electronic tag system based on touch-pressure switch also has following technical characterictic:
Described radio-frequency probe, it includes the detector signal receiving antenna that is used to receive the radiofrequency signal that comes from the RFID antenna.
Described radio frequency vibration signal processing unit includes the intensity that is used for the radiofrequency signal that comes from the RFID antenna that the detector signal receiving antenna is detected and resolves, and sets up the signal intensity parsing module of corresponding relation with the time.
Described radio frequency vibration signal processing unit, it includes the signal intensity and vibration respective modules of setting up corresponding relation between the amplitude that is used for the intensity of radiofrequency signal and vibration.
Described radio frequency vibration signal processing unit, it also includes the intensity of utilizing the radiofrequency signal that aforesaid signal intensity parsing module provided, and the launch time of pairing radiofrequency signal, and aforesaid signal intensity and vibration signal intensity that respective modules provided and the corresponding relation between the vibration state, obtain the vibration data conversion module of the vibration data of object.
Advantage of the present invention:
Along with the large-scale production of RFID device, the price of RFID device is more and more lower.As basic radio-frequency transmissions device, RFID can also have application more and more widely.
This vibration detection electronic tag and system of the present invention based on touch-pressure switch, be based on that touch-pressure switch and RFID radio-frequency devices realize, utilize the vibration signal of the touch-pressure switch induction detection of a target, the current signal that vibration signal is converted into variation is transferred to the RFID chip, in the emission of making respective radio-frequency signals by the RFID chip, by the analyzing and processing of radiofrequency signal that RFID is sent, just draw the vibration situation of target object.At present, this technology of the present invention still is a new vibration measuring technology.Should be based on the vibration detection electronic tag and the system of touch-pressure switch, simple in structure, cost is low, the convenient use, the while likes for people more and more along with RFID and accepts that this vibration measuring type electronic tag and system have also increased honorable together again for the popularization and application of RFID.
Description of drawings
Fig. 1 is the structural representation of a kind of vibration detection electronic tag based on touch-pressure switch of the present invention, is a kind of embodiment.
Fig. 2 is the structural representation of a kind of vibration detection electronic tag based on touch-pressure switch of the present invention, is another kind of embodiment.
Fig. 3 is the structural representation of a kind of vibration detection electronic tag based on touch-pressure switch of the present invention, is the third embodiment.
Fig. 4 is the structural representation of a kind of vibration detection electronic tag based on touch-pressure switch of the present invention, is the 4th kind of embodiment.
Fig. 5 is the structural representation of a kind of vibration detection electronic tag system based on touch-pressure switch of the present invention.
Embodiment
Below with reference to accompanying drawing,, be described in detail this vibration detection electronic tag and system of the present invention based on touch-pressure switch:
The explanation of Fig. 1:
Join shown in Figure 1ly, described the structural representation of a kind of vibration detection electronic tag 100 based on touch-pressure switch of the present invention here, be a kind of embodiment.
A kind of vibration detection electronic tag 100 based on touch-pressure switch of the present invention, the convenience for describing abbreviates vibration detection electronic tag 100 as.This vibration detection electronic tag 100, it comprises four major parts: touch-pressure switch 200, vibration source receptor 300, external power supply 400, RFID chip 500.
Described touch-pressure switch 200, it is to be used to experience the construction of switch of pressure size with decision electric signal conducting degree.The conductivity height of signal when pressure is big normally, the conductivity of signal was low when pressure was little; Certainly, on the contrary also can.Such as, the thin film switch structure that we often adopt just has this characteristic, and the pressure that presses is big more, and the surface of contact of conductor is just many more, and the on-state rate of its signal is also high more.Certainly, its concrete structure does not limit.
In addition, also can adopt other structure that changes resistance by the impression of vibration.Such as, the carbon vibrational structure in the microphone that we often use just can be experienced the vibration of sound, and make the change of conductance.
Based on the dependency structure of this type of principle, also can use in the present invention.
Described vibration source receptor 300 is the device architectures that are used to experience the object vibration state that is detected.This device architecture is fit to be fixed together with the object that is detected, can be consistent with the vibration state of target detection thing.Between vibration source receptor 300 and the touch-pressure switch 200, be fit to be in contact with one another, but non-interfixing.Like this, when vibration takes place vibration source receptor 300, just can give 200 1 of touch-pressure switchs and have variational pressure, and this pressure can change the signal conduction rate of touch-pressure switch 200.
Described external power supply 400 is to be used for the form of power of powering to the functional structure that the present invention is correlated with.Can directly adopt battery to realize, also can adopt other circuit structure, realize such as the lead that is connected with other power supply, the forms such as power supply that realize by induced current.
Described RFID chip 500 after receiving supplying electric current, and reach the intensity of flip chip work when electric current after, just can touch the operate as normal of entire chip, and outwards send radiofrequency signal by RFID antenna 510.
The explanation of Fig. 2:
Join shown in Figure 2ly, described the structural representation of a kind of vibration detection electronic tag 100 based on touch-pressure switch of the present invention here, be another kind of embodiment.
This embodiment is with the main difference of embodiment shown in Figure 1: the Continuity signal at the variation of touch-pressure switch 200 has increased signal amplification circuit 600.
As shown in Figure 2, utilize signal amplification circuit 600, can significantly improve the electric current amplitude of variation that is caused by vibration source receptor 300.In this case, the intensity of the radiofrequency signal that RFID chip 500 sent is improved accordingly, can improve the scope of measurement, the accuracy of measurement like this.
The explanation of Fig. 3:
Join shown in Figure 3ly, described the structural representation of a kind of vibration detection electronic tag 100 based on touch-pressure switch of the present invention here, be the third embodiment.
This embodiment, be with the main difference of embodiment shown in Figure 2: used D/A converter module 700, the simulating signal after will handling via vibration source receptor 300 and touch-pressure switch 200 be transformed into digital signal.
Shown in ginseng Fig. 3, D/A converter module 700 is connected with touch-pressure switch 200.And the digital signal after D/A converter module 700 conversions is transformed into simulating signal again via signal amplification circuit 600, exports to RFID chip 500 then.
The advantage of this structure is, the simulating signal after touch-pressure switch 200 can being handled be sorted out, and reduces under the situation that analog quantity changes the influence to the output result.
The explanation of Fig. 4:
Joining shown in Figure 4ly, described the structural representation of a kind of vibration detection electronic tag 100 based on touch-pressure switch of the present invention here, is the 4th kind of embodiment.
Described here embodiment, be with the main difference of embodiment shown in Figure 3: on the basis of using D/A converter module 700, also be provided with digital-to-analogue and transform respective modules 800, different digital signals by the specific rule of correspondence, is transformed into simulating signal again.
The benefit that this structure is set is that mainly digital signal form that can intensity of variation is very big is carried out regular, and it is more coherent to be transformed into data, and Gui Ze simulating signal is come provisioning RFID chip 500 more.
The explanation of Fig. 5:
Join shown in Figure 5ly, described a kind of vibration detection electronic tag system here, abbreviate vibration detection electronic tag system 101 as based on touch-pressure switch.It mainly comprises three parts, is respectively: vibration detecting type electronic tag 100, radio-frequency probe 900, radio frequency vibration signal processing unit 910.
Radio-frequency probe 900 wherein includes detector signal receiving antenna 901, is used to receive the radiofrequency signal that comes from RFID antenna 510.
Radiofrequency signal via radio-frequency probe 900 is surveyed if be transformed into the data of vibration aspect, also needs to utilize radio frequency vibration signal processing unit 910 to carry out data processing work.
Described radio frequency vibration signal processing unit 910 includes following ingredient: signal intensity parsing module 911, signal intensity and vibration respective modules 912, vibration data conversion module 913.
Described signal intensity parsing module 911, it is that the intensity that is used for the radiofrequency signal that comes from RF ID antenna 510 that detector signal receiving antenna 901 is detected is resolved, and sets up the modular structure of corresponding relation with the time.
Described signal intensity and vibration respective modules 912, it is a modular structure of setting up corresponding relation between the amplitude that is used for the intensity of radiofrequency signal and vibration.The signal that comes from RFID antenna 510 is strong more, just means that the intensity of the induced current that vibration detecting type electronic tag 100 is obtained is big more, so the amplitude of corresponding object is also just big more.
Based on this principle, just can set up the corresponding relation between radio-frequency (RF) signal strength and the object amplitude.
And described vibration data conversion module 913, then be to utilize the intensity of the radiofrequency signal that aforesaid signal intensity parsing module 911 provided and the launch time of pairing radiofrequency signal, and the signal intensity that provided of signal intensity and vibration respective modules 912 and the corresponding relation between the vibration state, just can directly obtain the vibration data of object.
More than be the description of this invention and non-limiting, based on other embodiment of inventive concept, all among protection scope of the present invention.
Claims (9)
1. the vibration detection electronic tag based on touch-pressure switch is characterized in that, this electronic tag includes:
Touch-pressure switch, it is to be used to experience the construction of switch of pressure size with decision electric signal conducting degree;
The vibration source receptor is the device architecture that is used to experience the object vibration state that is detected;
The RFID chip after receiving supplying electric current, and reach the intensity of flip chip work when electric current after, just can touch the operate as normal of entire chip, and outwards send radiofrequency signal by the RFID antenna.
2. a kind of vibration detection electronic tag based on touch-pressure switch according to claim 1 is characterized in that: the Continuity signal at the variation of touch-pressure switch is provided with signal amplification circuit.
3. a kind of vibration detection electronic tag according to claim 1 based on touch-pressure switch, it is characterized in that: corresponding vibration source receptor, be provided with D/A converter module, the analog-signal transitions after will handling via vibration source receptor and touch-pressure switch becomes digital signal.
4. a kind of vibration detection electronic tag according to claim 3 based on touch-pressure switch, it is characterized in that: corresponding D/A converter module, be provided with digital-to-analogue and transform respective modules, in order to different digital signals by the specific rule of correspondence, be transformed into simulating signal again.
5. vibration detection electronic tag system based on touch-pressure switch is characterized in that this system includes:
Vibration detecting type electronic tag, it is the above-mentioned electronic tag that is used for vibration detecting;
Radio-frequency probe, it is the structure that is used to survey the radiofrequency signal that aforesaid vibration detecting type electronic tag launched;
Radio frequency vibration signal processing unit, it is to be used for radiofrequency signal that above-mentioned radio-frequency probe is detected, carries out the functional structure that analyzing and processing is transformed into vibration aspect data.
6. a kind of vibration detection electronic tag system based on touch-pressure switch according to claim 5 is characterized in that: described radio-frequency probe, it includes the detector signal receiving antenna that is used to receive the radiofrequency signal that comes from the RFID antenna.
7. a kind of vibration detection electronic tag system according to claim 5 based on touch-pressure switch, it is characterized in that: described radio frequency vibration signal processing unit, include the intensity that is used for the radiofrequency signal that comes from the RFID antenna that the detector signal receiving antenna is detected and resolve, and set up the signal intensity parsing module of corresponding relation with the time.
8. a kind of vibration detection electronic tag system according to claim 5 based on touch-pressure switch, it is characterized in that: described radio frequency vibration signal processing unit, it includes the signal intensity and vibration respective modules of setting up corresponding relation between the amplitude that is used for the intensity of radiofrequency signal and vibration.
9. a kind of vibration detection electronic tag system according to claim 5 based on touch-pressure switch, it is characterized in that: described radio frequency vibration signal processing unit, it also includes the intensity of utilizing the radiofrequency signal that aforesaid signal intensity parsing module provided, and the launch time of pairing radiofrequency signal, and aforesaid signal intensity and vibration signal intensity that respective modules provided and the corresponding relation between the vibration state, obtain the vibration data conversion module of the vibration data of object.
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| CN200910202097.3A CN101770592B (en) | 2009-12-31 | 2009-12-31 | Based on vibration detection electronic tag and the system of touch-pressure switch |
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| CN200910202097.3A CN101770592B (en) | 2009-12-31 | 2009-12-31 | Based on vibration detection electronic tag and the system of touch-pressure switch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252633A (en) * | 2013-06-26 | 2014-12-31 | 韩国电子通信研究院 | Radio Frequency Identification Label Device Of Monitoring The Open Of Product And Operation Method Thereof |
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| KR20050119561A (en) * | 2004-06-16 | 2005-12-21 | (주)맨 텍 | Manufacturing method of vibrating sensor unit and this unit |
| JP2006078444A (en) * | 2004-09-13 | 2006-03-23 | Hosiden Corp | Acceleration sensor |
| CN1975794A (en) * | 2005-11-11 | 2007-06-06 | Nec东金株式会社 | Vibration detection method and system, battery-less vibration sensor and interrogator therefor |
| JP2009133810A (en) * | 2007-11-05 | 2009-06-18 | Fuji Electric Systems Co Ltd | Vibration monitoring device |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050119561A (en) * | 2004-06-16 | 2005-12-21 | (주)맨 텍 | Manufacturing method of vibrating sensor unit and this unit |
| JP2006078444A (en) * | 2004-09-13 | 2006-03-23 | Hosiden Corp | Acceleration sensor |
| CN1975794A (en) * | 2005-11-11 | 2007-06-06 | Nec东金株式会社 | Vibration detection method and system, battery-less vibration sensor and interrogator therefor |
| JP2009133810A (en) * | 2007-11-05 | 2009-06-18 | Fuji Electric Systems Co Ltd | Vibration monitoring device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252633A (en) * | 2013-06-26 | 2014-12-31 | 韩国电子通信研究院 | Radio Frequency Identification Label Device Of Monitoring The Open Of Product And Operation Method Thereof |
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