CN101770592B - Based on vibration detection electronic tag and the system of touch-pressure switch - Google Patents
Based on vibration detection electronic tag and the system of touch-pressure switch Download PDFInfo
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- CN101770592B CN101770592B CN200910202097.3A CN200910202097A CN101770592B CN 101770592 B CN101770592 B CN 101770592B CN 200910202097 A CN200910202097 A CN 200910202097A CN 101770592 B CN101770592 B CN 101770592B
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Abstract
The invention provides a kind of vibration detection electronic tag based on touch-pressure switch and system, belong to electronic technology field.This electronic tag comprises: for experiencing pressure size to determine the touch-pressure switch of electric signal conducting state; For experiencing the vibration source receptor of the object vibration state be detected; For the external power supply carrying out powering to correlation function structure; After receiving supply electric current, and after electric current reaches the intensity of flip chip work, just can touch the RFID chip self normally worked, and outwards send radiofrequency signal by RFID antenna.This electronic labelling system comprises: vibration detecting type electronic tag, radio-frequency probe, radiofrequency signal for being detected by radio-frequency probe, carries out processing the radio frequency vibration signal processing unit being transformed into vibration data.The structure of this electronic tag and system is simple, and cost is low.
Description
Technical field
The invention belongs to electronic technology field, relate to a kind of RFID technique.
Background technology
RFID, or be called electronic tag.Passive RFID is divided into, active RFID according to the supply mode of the energy, and half active RFID.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 this radiofrequency signal is the electromagnetic field of change, can obtain induction current at the elect magnetic field of this change.By means of the energy that this induction current obtains, the storage chip be arranged in electronic tag can be triggered, send out the product information be stored in this chip.For active electronic label, the electromagnetic signal of a certain frequency initiatively can be sent.Distinguish after plug-in reader reading information, and hand 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 and applies more and more widely.
At present, vibration measurement instrument has the method by laser excitation and vibration testing substantially, and by vibration measuring that the pure circuit structures such as sensor, A/D converter, single-chip microcomputer realize.Such as, what publication number was that the patent of CN1487273A describes is that the one that realized by the electron device such as sensor, amplifying circuit, A/D change-over circuit, single-chip microcomputer and DSP circuit is portable can only vialog.What publication number was that the patent of CN1255630A describes is the semiconductor laser measurer of shock realizing carrying out target 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, realize based on touch-pressure switch and RFID radio-frequency devices, touch-pressure switch is utilized to respond to the vibration signal of the detection of a target, vibration signal is converted into the current signal transfer of change to RFID chip, the transmitting of respective radio-frequency signals is being made by RFID chip, by the analyzing and processing of radiofrequency signal sent RFID, just draw the Vibration Condition of target object.At present, this technology of the present invention or a new vibration measuring technology.
Summary of the invention
Object of the present invention, is to provide a kind of vibration detection electronic tag based on touch-pressure switch, and supporting system, with the detecting function by comprising electronic tag to realize vibration.
Based on a vibration detection electronic tag for touch-pressure switch, it is achieved in that this electronic tag includes:
Touch-pressure switch, it is for experiencing pressure size to determine the construction of switch of electric signal conducting degree;
Vibration source receptor is the device architecture for experiencing the object vibration state be detected;
RFID chip, after receiving supply electric current, and after electric current reaches the intensity of flip chip work, just can touch the normal work of whole chip, and outwards send radiofrequency signal by RFID antenna.
Further, described a kind of vibration detection electronic tag based on touch-pressure switch, also has following technical characteristic:
Against the Continuity signal of the change of touch-pressure switch, be provided with signal amplification circuit.
Correspond to vibration source receptor, be provided with D/A converter module, become digital signal by via the analog-signal transitions after vibration source receptor and touch-pressure switch process.
Correspond to D/A converter module, be provided with digital-to-analogue transform respective modules, in order to by different digital signals by the specific rule of correspondence, be again transformed into simulating signal.
Based on a vibration detection electronic tag system for touch-pressure switch, it is achieved in that this system includes:
Vibration detecting type electronic tag, it is the above-mentioned electronic tag for vibration detecting;
Radio-frequency probe, it is the structure for detecting the radiofrequency signal that aforesaid vibration detecting type electronic tag is launched;
Radio frequency vibration signal processing unit, it is the radiofrequency signal for being detected by above-mentioned radio-frequency probe, 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 characteristic:
Described radio-frequency probe, it includes the detector signal receiving antenna for receiving the radiofrequency signal coming from RFID antenna.
Described radio frequency vibration signal processing unit, the intensity coming from the radiofrequency signal of RFID antenna included for detecting detector signal receiving antenna is resolved, 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 for the strength and vibration by radiofrequency signal.
Described radio frequency vibration signal processing unit, it also includes the intensity of the radiofrequency signal utilizing aforesaid signal intensity parsing module to provide, and the launch time of corresponding radiofrequency signal, and aforesaid signal intensity and the corresponding relation between the vibration signal intensity that provides of respective modules and 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 and applies more and more widely.
This vibration detection electronic tag based on touch-pressure switch of the present invention and system, realize based on touch-pressure switch and RFID radio-frequency devices, touch-pressure switch is utilized to respond to the vibration signal of the detection of a target, vibration signal is converted into the current signal transfer of change to RFID chip, the transmitting of respective radio-frequency signals is being made by RFID chip, by the analyzing and processing of radiofrequency signal sent RFID, just draw the Vibration Condition of target object.At present, this technology of the present invention or a new vibration measuring technology.Should based on the vibration detection electronic tag of touch-pressure switch and system, structure is simple, and cost is low, easy to use, and simultaneously along with RFID is more and more for people like and accept, this vibration measuring type electronic tag and system are also for the popularization and application of RFID adds again one brilliance.
Accompanying drawing explanation
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
Referring to accompanying drawing, to this vibration detection electronic tag based on touch-pressure switch of the present invention and system, be described in detail:
The explanation of Fig. 1:
Shown in ginseng Fig. 1, describing the structural representation of a kind of vibration detection electronic tag 100 based on touch-pressure switch of the present invention here, is a kind of embodiment.
A kind of vibration detection electronic tag 100 based on touch-pressure switch of the present invention is the convenience described, referred to as vibration detection electronic tag 100.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 for experiencing pressure size to determine the construction of switch of electric signal conducting degree.Normally when pressure is large, the conductivity of signal is high, and time pressure is little, the conductivity of signal is low; Certainly, on the contrary also can.Such as, the thin film switch structure that we often adopt, just have this characteristic, the pressure pressed is larger, and the surface of contact of conductor is more, and the on-state rate of its signal is also higher.Certainly, its concrete structure does not limit.
In addition, other structure being changed resistance by the impression of vibration can also be adopted.Such as, the carbon vibrational structure in the microphone that we often use, just can experience the vibration of sound, and make the change of conductance.
Based on the dependency structure of this type of principle, also can apply in the present invention.
Described vibration source receptor 300 is the device architectures for experiencing the object vibration state be detected.This device architecture is applicable to being fixed together with the object be detected, can be consistent with the vibration state of target detection thing.Between vibration source receptor 300 and touch-pressure switch 200, be applicable to contacting with each other, but non-ly interfix.Like this, when vibration occurs vibration source receptor 300 time, just can give touch-pressure switch 200 1 and there is variational pressure, and this pressure can change the signal conduction rate of touch-pressure switch 200.
Described external power supply 400 is form of power that functional structure for being correlated with to the present invention carries out powering.Can directly adopt battery to realize, also can adopt other circuit structure, the form such as the wire be such as connected with other power supply, power supply of being realized by induced current be realized.
Described RFID chip 500, after receiving supply electric current, and after electric current reaches the intensity of flip chip work, just can touch the normal work of whole chip, and outwards send radiofrequency signal by RFID antenna 510.
The explanation of Fig. 2:
Shown in ginseng Fig. 2, describing the structural representation of a kind of vibration detection electronic tag 100 based on touch-pressure switch of the present invention here, is another kind of embodiment.
This embodiment, is with the essential difference of the embodiment shown in Fig. 1: against the Continuity signal of the change of touch-pressure switch 200, adds signal amplification circuit 600.
As shown in Figure 2, utilize signal amplification circuit 600, significantly can improve the curent change amplitude caused by vibration source receptor 300.In this case, the intensity of the radiofrequency signal that RFID chip 500 just can be made to send is improved accordingly, can improve the scope of measurement, the accuracy of measurement like this.
The explanation of Fig. 3:
Shown in ginseng Fig. 3, describing the structural representation of a kind of vibration detection electronic tag 100 based on touch-pressure switch of the present invention here, is the third embodiment.
This embodiment, is with the essential difference of the embodiment shown in Fig. 2: employ D/A converter module 700, by the simulating signal after processing via vibration source receptor 300 and touch-pressure switch 200, is 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 is changed, be again transformed into simulating signal via signal amplification circuit 600, then export to RFID chip 500.
The advantage of this structure is, the simulating signal after touch-pressure switch 200 can being processed is sorted out, and reduces the impact on Output rusults when analog quantity changes.
The explanation of Fig. 4:
Shown in ginseng Fig. 4, describing 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.
Embodiment described here, be with the essential difference of the embodiment shown in Fig. 3: on the basis using D/A converter module 700, also be provided with digital-to-analogue and transform respective modules 800, by different digital signals by the specific rule of correspondence, be again transformed into simulating signal.
The benefit arranging this structure is mainly, can be undertaken regular by digital signal form very large for intensity of variation, it is more coherent to be transformed into data, more regular simulating signal, carrys out provisioning RFID chip 500.
The explanation of Fig. 5:
Shown in ginseng Fig. 5, describe a kind of vibration detection electronic tag system based on touch-pressure switch here, referred to as vibration detection electronic tag system 101.It mainly comprises three parts, 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, for receiving the radiofrequency signal coming from RFID antenna 510.
Via the radiofrequency signal that radio-frequency probe 900 detects, if be transformed into the data of vibration aspect, also need 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 coming from the radiofrequency signal of RFID antenna 510 for detecting detector signal receiving antenna 901 is resolved, and sets up the modular structure of corresponding relation with the time.
Described signal intensity and vibration respective modules 912, it is the modular structure setting up corresponding relation between the amplitude for the strength and vibration by radiofrequency signal.The signal coming from RFID antenna 510 is stronger, just means that the intensity of the induced current that vibration detecting type electronic tag 100 obtains is larger, so the amplitude of corresponding object is also larger.
Based on this principle, just the corresponding relation between radio-frequency (RF) signal strength and object amplitude can be set up.
And described vibration data conversion module 913, then the intensity of radiofrequency signal and the launch time of corresponding radiofrequency signal that utilize aforesaid signal intensity parsing module 911 to provide, and the corresponding relation between the signal intensity that provides of signal intensity and vibration respective modules 912 and vibration state, just directly can obtain the vibration data of object.
Be more than 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. based on a vibration detection electronic tag for touch-pressure switch, it is characterized in that, this electronic tag includes:
Touch-pressure switch, it is for experiencing pressure size to determine the construction of switch of electric signal conducting degree;
Vibration source receptor is the device architecture for experiencing the object vibration state be detected;
RFID chip, after receiving supply electric current, and after electric current reaches the intensity of flip chip work, just can touch the normal work of whole chip, and outwards send radiofrequency signal by RFID antenna,
Wherein, contact with each other between aforesaid vibration source receptor and touch-pressure switch, but non-ly to interfix, when vibration occurs vibration source receptor time, give touch-pressure switch and there is variational pressure, and this pressure is in order to change the signal conduction degree of touch-pressure switch.
2. a kind of vibration detection electronic tag based on touch-pressure switch according to claim 1, is characterized in that: against the Continuity signal of the change of touch-pressure switch, be provided with signal amplification circuit.
3. a kind of vibration detection electronic tag based on touch-pressure switch according to claim 1, it is characterized in that: correspond to vibration source receptor, be provided with D/A converter module, become digital signal by via the analog-signal transitions after vibration source receptor and touch-pressure switch process.
4. a kind of vibration detection electronic tag based on touch-pressure switch according to claim 3, it is characterized in that: correspond to D/A converter module, be provided with digital-to-analogue transform respective modules, in order to by different digital signals by the specific rule of correspondence, be again transformed into simulating signal.
5. implement the claims the vibration detection electronic tag system based on touch-pressure switch of vibration detection electronic tag described in 1, it is characterized in that, this system includes:
Vibration detecting type electronic tag, it is the above-mentioned electronic tag for vibration detecting;
Radio-frequency probe, it is the structure for detecting the radiofrequency signal that aforesaid vibration detecting type electronic tag is launched;
Radio frequency vibration signal processing unit, it is the radiofrequency signal for being detected by above-mentioned radio-frequency probe, 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, and it includes the detector signal receiving antenna for receiving the radiofrequency signal coming from RFID antenna.
7. a kind of vibration detection electronic tag system based on touch-pressure switch according to claim 5, it is characterized in that: described radio frequency vibration signal processing unit, the intensity coming from the radiofrequency signal of RFID antenna included for detecting detector signal receiving antenna is resolved, and sets up the signal intensity parsing module of corresponding relation with the time.
8. a kind of vibration detection electronic tag system based on touch-pressure switch according to claim 7, 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 for the strength and vibration by radiofrequency signal.
9. a kind of vibration detection electronic tag system based on touch-pressure switch according to claim 8, it is characterized in that: described radio frequency vibration signal processing unit, it also includes the intensity of the radiofrequency signal utilizing aforesaid signal intensity parsing module to provide, and the launch time of corresponding radiofrequency signal, and aforesaid signal intensity and the corresponding relation between the vibration signal intensity that provides of respective modules and 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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| CN101770592A CN101770592A (en) | 2010-07-07 |
| CN101770592B true CN101770592B (en) | 2015-12-09 |
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| 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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