CN108388820A - Signal mode detection device, double frequency passive electronic label and electronic labelling system - Google Patents
Signal mode detection device, double frequency passive electronic label and electronic labelling system Download PDFInfo
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- CN108388820A CN108388820A CN201810371958.XA CN201810371958A CN108388820A CN 108388820 A CN108388820 A CN 108388820A CN 201810371958 A CN201810371958 A CN 201810371958A CN 108388820 A CN108388820 A CN 108388820A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10019—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
- G06K7/10069—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the frequency domain, e.g. by hopping from one frequency to the other
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device
- G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10297—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves arrangements for handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The embodiment of the invention discloses a kind of signal mode detection device, double frequency passive electronic label and electronic labelling systems.The signal mode detection device includes：ON-OFF control circuit, signal deteching circuit and the pattern decision circuit being sequentially connected, ON-OFF control circuit are used in the radiation field in the first frequency band signals or the second frequency band signals, and control is powered for signal deteching circuit and pattern decision circuit；Signal detecting result is sent to pattern decision circuit by signal deteching circuit for being detected to the first frequency band signals；Pattern decision circuit is used to, according to signal detecting result, determine signal mode corresponding with radiation field is presently in.Double frequency passive electronic label including above-mentioned signal mode detection device can go out the signal mode of its residing radiofrequency field with automatic decision, and complete the data interaction with reader with matching operating mode, so the advantages of having taken into account two kinds of frequency range label techniques.
Description
Technical field
The present embodiments relate to radio frequency identification and wireless sensor technology field more particularly to a kind of signal mode detection dresses
It sets, double frequency passive electronic label and electronic labelling system.
Background technology
It can be with using the electronic tag of RFID (Radio Frequency Identification, radio frequency identification) technology
The Space Coupling of radiofrequency signal is realized between reader by coupling element, and realizes energy transmission and data in coupling channel
It exchanges, and then applied to fields such as mark identification, item tracking and information collections.
According to the working frequency of radio frequency, electronic tag can be divided into LF (Low Frequency, low frequency) label, HF
(High Frequency, high frequency) label and UHF (Ultra High Frequency, hyperfrequency) label.Wherein, high-frequency label
Technology is widely used in the fields such as identification, ticketing service form recognition, but that there are operating distances is close, recognition speed is slow and uncomfortable
Close the problems such as multiple target is quickly read.And ultrahigh-frequency tag technology then has that low in energy consumption, high sensitivity, operating distance be remote, group reads
The advantages that ability of making an inventory is strong and anti-metal environmental applications protrude, but ultrahigh-frequency tag must use it is read-write machine dedicated, and it is special
It is of high cost with reader and should not carry.In addition to this, in some application fields ultrahigh-frequency tag technology remote identification
A kind of drawback can be become instead, be susceptible to and alter reading and passive the problem of reading.
In order to make high-frequency label technology and ultrahigh-frequency tag technology mutually learn from other's strong points to offset one's weaknesses, dual-frequency label technology is come into being.
For example, in the production and logistics links of commodity, using the operating distance of ultrahigh-frequency tag technology, long, group reads the strong advantage of ability
Come to commodity carry out management and control, when commodity enter in market and consumer's hand, high-frequency label technology corresponds to read-write equipment simply, at
This low advantage will play a role.However, how dual-frequency label judges that it is that be in UHF in HF be a needs
The technical barrier of solution.
Invention content
An embodiment of the present invention provides a kind of signal mode detection device, double frequency passive electronic label and electronic tag systems
System with the signal mode of radiation field residing for automatic decision, and then can be arranged matched operating mode and carry out data interaction.
In a first aspect, an embodiment of the present invention provides a kind of signal mode detection devices, including：ON-OFF control circuit, letter
Number detection circuit and pattern decision circuit, wherein
The input terminal of the ON-OFF control circuit, the output end and second for connecting the first frequency band signals receiving circuit
The output end of frequency band signals receiving circuit；The input terminal of the signal deteching circuit connects for connecting first frequency band signals
Receive the output end of circuit；
The ON-OFF control circuit, in the radiation in first frequency band signals or second frequency band signals
When field, control is powered for the signal deteching circuit and the pattern decision circuit；
The signal deteching circuit for being detected to first frequency band signals, and signal detecting result is sent
To the pattern decision circuit；
The pattern decision circuit, for according to the signal detecting result, determination to be corresponding with radiation field is presently in
Signal mode.
Second aspect, the embodiment of the present invention additionally provide a kind of double frequency passive electronic label, including：The present invention is arbitrarily implemented
Signal mode detection device, the first frequency band signals receiving circuit, the second frequency band signals receiving circuit and the base band that example is provided
Digital signal processing module, wherein
The first input end of the signal mode detection device respectively with the first frequency band signals receiving circuit and described
The output end of second frequency band signals receiving circuit is connected, the second input terminal of the signal mode detection device and first frequency
The output end of segment signal receiving circuit is connected, the output end of the signal mode detection device and the base-band digital processing module
Input terminal be connected；The base-band digital processing module respectively with the first frequency band signals receiving circuit and second frequency range
Signal receiving circuit is connected；
The first frequency band signals receiving circuit, the first frequency band signals for receiving residing radiofrequency field are simultaneously handled, and
The data interaction with the reader for providing the radiofrequency field is completed with base-band digital processing module cooperation；
The second frequency band signals receiving circuit, the second frequency band signals for receiving residing radiofrequency field are simultaneously handled, and
The data interaction with the reader for providing the radiofrequency field is completed with base-band digital processing module cooperation；
The signal mode detection device, for detecting signal mode corresponding with radiation field is presently in, and will detection
As a result it is sent to the base-band digital processing module；
The base-band digital processing module, for matched configuration parameter to be sent to described according to the testing result
One frequency band signals receiving circuit or the second frequency band signals receiving circuit are configured, and first frequency band signals is coordinated to connect
It receives circuit or the second frequency band signals receiving circuit is completed and the data interaction of the reader of the offer radiofrequency field.
The third aspect, the embodiment of the present invention additionally provide a kind of electronic labelling system, including：Any embodiment institute of the present invention
The double frequency passive electronic label and reader of offer, wherein
The reader carries out data for providing radiofrequency field based on radiofrequency signal and the double frequency passive electronic label
Interaction；
The double frequency passive electronic label, the signal mode for determining residing radiofrequency field according to the radiofrequency signal received
Formula, and the double frequency passive electronic label match according to determining signal mode and is postponed based on matched radiofrequency signal mould
Formula carries out data interaction with the reader.
A kind of signal mode detection device, double frequency passive electronic label and electronic tag system provided in an embodiment of the present invention
System, the signal mode detection device is by being detected one of two kinds of frequency band signals, with the signal mode of radiation field residing for determination
Formula makes that include the double frequency passive electronic label of the signal mode detection device can go out its residing radiofrequency field with automatic decision in turn
Signal mode, and complete and provide the data interaction between the reader of radiofrequency field with matching operating mode, take into account
The advantages of two kinds of frequency range label techniques.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of signal mode detection device in the embodiment of the present invention one；
Fig. 2 is a kind of structural schematic diagram of signal mode detection device in the embodiment of the present invention one；
Fig. 3 is a kind of structural schematic diagram of double frequency passive electronic label in the embodiment of the present invention two；
Fig. 4 is a kind of structural schematic diagram of double frequency passive electronic label in the embodiment of the present invention three；
Fig. 5 is a kind of structural schematic diagram of electronic labelling system in the embodiment of the present invention four.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limitation of the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is a kind of structural schematic diagram for signal mode detection device that the embodiment of the present invention one provides, the signal mode
Detection device is suitable for double frequency passive electronic label automatic decision signal mode corresponding with radiation field is presently in, the device one
As the mode of hardware can be used realize.
As shown in Figure 1, signal mode detection device 100 includes：The ON-OFF control circuit 110 that is sequentially connected, signal detection
Circuit 120 and pattern decision circuit 130, wherein
The input terminal 1101 of ON-OFF control circuit 110, the output end for connecting the first frequency band signals receiving circuit 210
2101 and second frequency band signals receiving circuit 220 output end 2201；The input terminal 1201 of signal deteching circuit 120, is used for
Connect the output end 2101 of the first frequency band signals receiving circuit 210.
The output end 1102 of ON-OFF control circuit 110 respectively with 130 phase of signal deteching circuit 120 and pattern decision circuit
Even, signal deteching circuit 120 is connected with pattern decision circuit 130.
ON-OFF control circuit 110 is used in the radiation field in the first frequency band signals or the second frequency band signals, for letter
Number detection circuit 120 and pattern decision circuit 130 are powered control；
Signal detecting result for being detected to the first frequency band signals, and is sent to pattern by signal deteching circuit 120
Decision circuitry 130；
Pattern decision circuit 130, for according to signal detecting result, determining signal mode corresponding with radiation field is presently in
Formula.
Wherein, it in order to keep the testing result of signal mode detection device 100 more accurate, prevents because of signal coupling etc. no
Determining factor influences testing result, and the frequency range of the first frequency band signals and the second frequency band signals can differ larger, such as
First frequency band signals are high frequency radio signals (about 13.56MHz), and the second frequency band signals are super high frequency radio frequency signal (about 860MHz
~960MHz).
Signal mode detection device 100 and the first frequency band signals receiving circuit 210 and the second frequency band signals receiving circuit
After 220 are connected, it is positioned in the radiation field of the first frequency band signals or the second frequency band signals.If the radiation signal of the radiation field is the
One frequency band signals, the first frequency band signals receiving circuit 210 can receive the radiation signal, if the radiation signal second of the radiation field
Frequency band signals, the second frequency band signals receiving circuit 220 can receive the radiation signal.In turn, signal mode detection device 100 with
After first frequency band signals receiving circuit 210 and the second frequency band signals receiving circuit 220 are connected, by judging the first frequency band signals
The output signal of receiving circuit 210, you can judge that the radiation signal of the radiation field is any, and then determine and be presently in
The corresponding signal mode of radiation field.
Specifically, ON-OFF control circuit 110, is connect by the first frequency band signals receiving circuit 210 or the second frequency band signals
It receives circuit 220 and receives level signal, as long as the signal energy of the first frequency band signals or the second frequency band signals is sufficiently strong, then
First frequency band signals receiving circuit 210 or the second frequency band signals receiving circuit 220 can send foot to ON-OFF control circuit 110
Enough high level signals, when reaching the predetermined threshold value point of ON-OFF control circuit 110, ON-OFF control circuit 110 can be that signal is examined
Slowdown monitoring circuit 120 and pattern decision circuit 130 are powered control, make signal deteching circuit 120 and pattern decision circuit 130
It powers on.Meanwhile signal deteching circuit 120 and pattern decision circuit 130 power on the radiation field that can also illustrate to be presently in
Or radiation signal is the first frequency band signals or is the second frequency band signals, and then signal mode detection device 100 can be made
Non- one i.e. two judgement.
Further, as shown in Fig. 2, ON-OFF control circuit 110 specifically includes：Power on decision circuitry 111 and switch control
Circuit 112 processed, wherein
Power on the input terminal 1111 of decision circuitry 111 and the output end 2101 of the first frequency band signals receiving circuit 210 and
The output end 2201 of second frequency band signals receiving circuit 220 is connected, and the output end 1112 and switch for powering on decision circuitry 111 control
Circuit 112 is connected, and powers on output end 2101 or the of the decision circuitry 111 for receiving the first frequency band signals receiving circuit 210
The level signal that the output end 2201 of two frequency band signals receiving circuits 220 exports, and when the level signal meets preset condition
Open signal is sent to ON-OFF control circuit 112；
ON-OFF control circuit 112 is connected with signal deteching circuit 120 and pattern decision circuit 130 respectively, for receiving
It powers to when open signal for signal deteching circuit 120 and pattern decision circuit 130.
Specifically, the first frequency band signals receiving circuit 210 or the second frequency band signals receiving circuit 220 receive it is sufficiently strong
The first frequency band signals or the second frequency band signals after, convert a signal into DC level and be sent to and power on decision circuitry 111, when this
When DC level reaches the predetermined threshold value point for powering on decision circuitry 111, an open signal can be sent out by powering on decision circuitry 111 then
To ON-OFF control circuit 112, e.g. a high level.ON-OFF control circuit 112 powers on after receiving open signal, and is letter
Number detection circuit 120 and pattern decision circuit 130 are powered, and keep signal deteching circuit 120 and pattern decision circuit 130 complete after the power is turned on
At corresponding operating.
Further, ON-OFF control circuit 112 can also control signal deteching circuit 120 and pattern decision circuit 130 is disconnected
Electricity can be specifically the signal mode judging result that ON-OFF control circuit 112 is returned by reception pattern decision circuitry 130, and
After receiving the signal mode judging result, signal deteching circuit 120 and pattern decision circuit 130 are closed in control, with section
Save power consumption.
Signal deteching circuit 120 after the power is turned on, to being examined by 210 received signal of the first frequency band signals receiving circuit
It surveys, and corresponding testing result is sent to pattern decision circuit 130, keep pattern decision circuit 130 true according to the testing result
Fixed signal mode corresponding with current radiation field.
It, can also be from receiving specifically, signal deteching circuit 120 can detect frequency or the period of the signal received
Signal in extraction section signal be converted to square-like clock signal, detect frequency or period of the square-like clock signal etc., and will
Testing result is sent to pattern decision circuit 130 and is judged, pattern decision circuit 130 is if it is determined that the testing result received
It is less than given threshold with the difference of matched default result, then it is assumed that signal mode corresponding with radiation field is presently in is first
Frequency band signals, otherwise it is assumed that signal mode corresponding with radiation field is presently in is the second frequency band signals.
As a kind of specific embodiment of the present embodiment, as shown in Fig. 2, signal deteching circuit 120 includes：Real-time clock
Generative circuit 121, default clock forming circuit 122 and counting circuit 123, wherein
Real-time clock generative circuit 121 is connected with the output end 2101 of the first frequency band signals receiving circuit 210, and being used for will
The sine wave extracted in the output signal of the output end 2101 of the first frequency band signals receiving circuit 210 is converted into the first square wave,
Using the first square wave as real-time clock signal；
Default clock forming circuit 122, the second square wave for generating fixed frequency, using the second square wave as default clock
Signal；
The input terminal 1231 of counting circuit 123 respectively with the output end of real-time clock generative circuit 121 1211 and it is default when
The output end 1221 of clock generative circuit 122 is connected, counting circuit 123 be used for according to real-time clock signal to default clock signal into
Row sample count；
The input terminal 1301 of pattern decision circuit 130 is connected with the output end 1232 of counting circuit 123, pattern decision circuit
130 according to count results for determining signal mode corresponding with radiation field is presently in.
Specifically, what real-time clock generative circuit 121 was exported from the output end 2101 of the first frequency band signals receiving circuit 210
The sine wave that corresponding frequencies are extracted in signal, the first square wave is converted to by the sine wave.If being presently in the radiation letter of radiation field
Number it is the first frequency band signals, then the frequency of sine wave is about the frequency of the first frequency band signals, and then the frequency of the first square wave is also about
For the frequency；If the radiation signal for being presently in radiation field is the second frequency band signals, then real-time clock generative circuit 121 is from the
The signal extraction that the output end 2101 of one frequency band signals receiving circuit 210 exports is less than sine wave, or due to antenna coupling etc.
Factor is drawn into frequency and is the waveform of second frequency, and then can not form the first square wave, or it is second frequency to generate frequency
First square wave, wherein second frequency refers to the frequency of the second frequency band signals.Therefore, the first square wave is the letter according to reception
Number clock signal generated in real time.
Default clock forming circuit 122 generates the second square wave of a fixed frequency, and the second square wave of fixed frequency refers to
The square-wave signal generated by the oscillating circuit and frequency dividing circuit of parameter preset, the fixed frequency is much smaller than the first frequency band signals
Frequency, it is, when the radiation signal for being presently in radiation field is the first frequency band signals or the second frequency band signals, the first square wave is
One fast clock signal, the second slow clock signal of square wave one.
Counting circuit 123 collects two-way clock signal, and acquisition the is gone within the scope of setting time and with the first square-wave signal
Two square-wave signals remove acquisition slow clock signal with fast clock signal, often acquisition is primary, and the state overturning of counting circuit is primary,
It counts once, the count results finally counted, which are sent to pattern decision circuit 130, goes to judge.
Pattern decision circuit 130 goes to judge the signal mode of presently described radiation field according to the count results received, can
To be compared with going count results with the count range to prestore, if count results fall into preset range, (preset range is root
Determined by the radiation field that radiation signal is the first frequency band signals), it is determined that signal mode corresponding with radiation field is presently in
Formula is the first frequency band signals.
A kind of signal mode detection device provided in this embodiment, being set to radiation field, (signal mode is believed for the first frequency range
Number or the second frequency band signals) in, when getting foot by the first frequency band signals receiving circuit or the second frequency band signals receiving circuit
When enough energy, you can to open radiation field signal mode detection function, and then can determine with current radiation into corresponding letter
Number pattern.The signal mode detection device is applied in double frequency passive electronic label, double frequency passive electronic label can be made to exist
Automatic decision goes out the signal mode of its residing radiation field in radiation field.
Embodiment two
Fig. 3 is a kind of structural schematic diagram of double frequency passive electronic label provided by Embodiment 2 of the present invention, and the double frequency is passive
Electronic tag is applicable to be carried out the article of identification by the radiofrequency field of two kinds of different frequencies, and the side of hardware generally can be used
Formula is realized.
As shown in figure 3, double frequency passive electronic label 200 includes：The signal mode inspection that any embodiment of the present invention is provided
Survey device 100, the first frequency band signals receiving circuit 210, the second frequency band signals receiving circuit 220 and base-band digital processing module
230, wherein
The first input end 101 of signal mode detection device 100 receives 210 output end with the first frequency band signals respectively
2101 are connected with the output end 2201 of the second frequency band signals receiving circuit 220, the second input terminal of signal mode detection device 100
102 are connected with the output end 2101 of the first frequency band signals receiving circuit 210, the output end 103 of signal mode detection device 100 with
The input terminal 2301 of base-band digital processing module 230 is connected；Base-band digital processing module 230 is received with the first frequency band signals respectively
Circuit 210 is connected with the second frequency band signals receiving circuit 220；
First frequency band signals receiving circuit 210, the first frequency band signals for receiving residing radiofrequency field are simultaneously handled, Yi Jiyu
The data interaction with the reader for providing the radiofrequency field is completed in the cooperation of base-band digital processing module 230；
Second frequency band signals receiving circuit 220, the second frequency band signals for receiving residing radiofrequency field are simultaneously handled, Yi Jiyu
The data interaction with the reader for providing the radiofrequency field is completed in the cooperation of base-band digital processing module 230；
Signal mode detection device 100 is tied for detecting signal mode corresponding with radiation field is presently in, and by detection
Fruit is sent to base-band digital processing module 230；
Base-band digital processing module 230, for matched configuration parameter to be sent to the first frequency range letter according to testing result
Number receiving circuit 210 or the second frequency band signals receiving circuit 220 are configured, and coordinate the first frequency band signals receiving circuit 210
Or second frequency band signals receiving circuit 220 complete the data interaction with the reader for providing the radiofrequency field.
When double frequency passive electronic label 200 is in radiofrequency field (the second frequency band signals of the first frequency band signals of transmitting or transmitting),
First frequency band signals receiving circuit 210 or the second frequency band signals receiving circuit 220 can receive the signal of matching frequency range, and will connect
The signal processing of receipts is sent to the first input end 101 of signal mode detection device 100 at level signal, when level signal is enough
When big, signal mode detection device 100 powers on, by 102 received signal of the second input terminal to the signal mode of current radio frequency field
Formula is detected, and determining signal mode is sent to base-band digital processing module 230.Signal mode detection device 100
Detection mode refers to previous embodiment, and details are not described herein again, and (wherein, first input end 101 is equivalent to ON-OFF control circuit 110
Input terminal 1101, the second input terminal 102 are equivalent to the input terminal 1201 of signal deteching circuit 120).
Wherein, signal mode detection device 100 can export an enable signal to base-band digital processing module 230, make
Base-band digital processing module 230 powers on, and the level value of enable signal can represent the signal mode of current radio frequency field, such as high electricity
Flat enable signal represents the first frequency band signals, and low level enable signal represents the second frequency band signals.
After base-band digital processing module 230 confirms the signal mode of current radio frequency field according to the enable signal received, read
The configuration parameter of match pattern is taken, and configuration parameter is sent to corresponding frequency band signals receiving circuit and is configured, wherein is matched
It may include modulation-demodulation signal mould in the first frequency band signals receiving circuit of activation or the second frequency band signals receiving circuit to set parameter
The configuration bit of block can also include the circuit ginseng of the first frequency band signals receiving circuit of optimization or the second frequency band signals receiving circuit
Number.
After the completion of first frequency band signals receiving circuit 210 or the configuration of the second frequency band signals receiving circuit 220, you can with base band
The data interaction with the reader for providing the radiofrequency field is completed in the cooperation of digital signal processing module 230, such as realizes electronic tag
Basic identity recognition function.
Specifically, the frequency range of the first frequency band signals is less than the frequency range of the second frequency band signals.Wherein, the first frequency range
Signal can be high frequency radio signals, and the second frequency band signals can be super high frequency radio frequency signal.That is, signal mode detection device
100 by being detected lower first frequency band signals of frequency (high frequency radio signals), corresponding with current radio frequency field with determination
Signal mode.It is compared to and selects the first frequency band signals for super high frequency radio frequency signal, the first frequency band signals is selected to be penetrated for high frequency
The technical solution of frequency signal more saves power consumption.
Specifically, the first frequency band signals receiving circuit 210 includes the first frequency band signals antenna being connected and the first frequency range
Signal imitation front end, the second frequency band signals receiving circuit 220 include the second frequency band signals antenna being connected and the second frequency range letter
Number AFE(analog front end).
First frequency band signals antenna is used to receive the first frequency band signals in radiofrequency field, and the second frequency band signals antenna is for connecing
Receive the second frequency band signals in radiofrequency field.
First frequency band signals AFE(analog front end) and the second frequency band signals AFE(analog front end) include at least rectification module and modulation respectively
Demodulation module, for carrying out rectification and modulation /demodulation to matching frequency band signals.
Further, base-band digital processing module 230 includes：The base-band digital processing circuit and storage unit being connected,
Wherein,
Base-band digital processing circuit, respectively with the first frequency band signals AFE(analog front end), the second frequency band signals AFE(analog front end) and
Signal mode detection device 100 is connected, and for reading matched configuration parameter in the memory unit according to testing result, and will match
Set that parameter is sent to the first frequency band signals AFE(analog front end) or the second frequency band signals AFE(analog front end) is configured, and the first frequency of cooperation
Segment signal AFE(analog front end) or the second frequency band signals AFE(analog front end) complete the data interaction with the reader for providing the radiofrequency field；
Storage unit, the configuration ginseng for storing the first frequency band signals AFE(analog front end) and the second frequency band signals AFE(analog front end)
The label data information of number and double frequency passive electronic label 200.
When double frequency passive electronic label 200 is in radiofrequency field, the first frequency band signals antenna or the second frequency band signals antenna
Signal energy is received, rectification module is activated in the first frequency band signals AFE(analog front end) or the second frequency band signals AFE(analog front end), rectification
Module converts signal communication signal to DC level, is activation signal mode detection apparatus 100 when the DC level is sufficiently large
The signal mode of current radio frequency field is judged.When base-band digital processing circuit receives the enable signal of representation signal pattern
Afterwards, the configuration parameter of match pattern is read in the memory unit, and is sent to the first frequency band signals AFE(analog front end) or the second frequency range
Signal imitation front end is configured, and then activates the tune in the first frequency band signals AFE(analog front end) or the second frequency band signals AFE(analog front end)
Demodulation module processed etc., then, at the first frequency band signals AFE(analog front end) or the second frequency band signals AFE(analog front end) cooperation base-band digital
Manage the data interaction between circuit completion and reader.
Specifically, storage unit can be EEPROM (Electrically Erasable Programmable Read
Only Memory, band Electrically Erasable Programmable Read-Only Memory).
A kind of double frequency passive electronic label provided in this embodiment, can go out the signal mode of its residing radiofrequency field with automatic decision
Formula, and the data interaction between the reader of radiofrequency field is completed and provided with matched operating mode, take into account two kinds of frequency range marks
The advantages of label technology.
Embodiment three
On the basis of the various embodiments described above, the present embodiment will provide a specific embodiment.Double frequency as shown in Figure 4 without
Source electronic tag 200, including HF antennas 310, UHF antenna 320, HF rf analog front-ends 330, UHF rf analog front-ends 340,
It powers on decision circuitry 350, ON-OFF control circuit 360, real-time clock generative circuit 370, default clock forming circuit 380, count
Circuit 390, pattern decision circuit 3100, base-band digital circuit 3110 and EEPROM 3120, wherein
HF antennas 310 are connected with the input terminal of HF rf analog front-ends 330, UHF antenna 320 and UHF rf analog front-ends
340 input terminal is connected, and the input terminal for powering on decision circuitry 350 is penetrated with the output end of HF rf analog front-ends 330 and UHF respectively
The output end of frequency AFE(analog front end) 340 is connected, and powers on the output end of decision circuitry 350 and the input terminal phase of ON-OFF control circuit 360
Even, the output end of ON-OFF control circuit 360 respectively with real-time clock generative circuit 370, default clock forming circuit 380, count
Circuit 390 and pattern decision circuit 3100 are connected, input terminal and the HF rf analog front-ends of real-time clock generative circuit 370
330 output end is connected, the input terminal of counting circuit 390 respectively with the output end of real-time clock generative circuit 370 and it is default when
The output end of clock generative circuit 380 is connected, and the output end of counting circuit 390 is connected with the input terminal of pattern decision circuit 3100,
The output end of pattern decision circuit 3100 is connected with the input terminal of base-band digital circuit 3110, and base-band digital circuit 3110 is also distinguished
It is connected with EEPROM 3120, HF rf analog front-ends 330 and UHF rf analog front-ends 340.
HF antennas 310, UHF antenna 320 are respectively matched to corresponding working frequency to reach sensitivity highest, work as double frequency
Passive electronic label 200 enters HF, and either UHF on-sites pass through HF rf analog front-ends 330 or UHF rf analog front-ends
340 rectification circuit converts AC signal to DC level, and the threshold value of decision circuitry 350 is powered on when this DC level reaches
When point, powers on decision circuitry 350 and export a high level, send ON-OFF control circuit 360 to, activate real-time clock generative circuit
370, clock forming circuit 380, counting circuit 390 and pattern decision circuit 3100 are preset.When double frequency passive electronic label 200
When in energy field, then what real-time clock generative circuit 370 can be received through HF rf analog front-ends 330 from HF antennas 310
The sine wave of corresponding frequencies is extracted in signal and is converted to the first square wave.Default clock forming circuit 380 then passes through oscillating circuit
The second square wave of a fixed frequency is generated with frequency dividing circuit.Counting circuit 390 collects two-way square wave clock, and the first square wave is used in combination
Clock removes the second square wave clock of sampling, adopts once, and state overturning is primary, counts once, and count value is sent to mode decision
Circuit 3100.Pattern decision circuit 3100 can export a HF enable signal, when count value within a certain period of time is in preset range
When interior, HF enable signals are high level, i.e. current radio frequency field is HF, and when count value is outside preset range, HF enable signals are
Low level, i.e. current radio frequency field are UHF.Wherein, counting circuit 390 and pattern decision circuit 3100 can be by logic gates and triggering
Device forms.HF enable signals pass to base-band digital circuit 3110, and base-band digital circuit 3110 is made to power on, base-band digital circuit
3110 read the configuration information of corresponding modes from EEPROM 3120 according to the level height of HF enable signals, and return to corresponding
The rf analog front-end of pattern completes corresponding configuration, activates the modulation /demodulation module in respective radio-frequency AFE(analog front end).
In turn, corresponding rf analog front-end receives the command signal of corresponding modes by radio-frequency antenna, and believes from instruction
Baseband signal is demodulated in number give base-band digital circuit 3110 and handled, returned after the completion of the processing of base-band digital circuit 3110
Data are modulated to corresponding rf analog front-end, and reading is returned to by corresponding antenna after the completion of rf analog front-end modulation
Device is write, to complete transceiving data between double frequency passive electronic label 200 and reader.
In the above-mentioned technical solutions, when double frequency passive electronic label is entered in energy field, when getting enough energy, just
Meeting activation signal mode detection function, HF rf analog front-ends and UHF rf analog front-end internal modulation demodulation modules are at this time
Closed state.When the count value of counting circuit is in preset range, adjudicates as HF patterns, then sentence except preset range
It is certainly UHF patterns, and sends court verdict to base-band digital circuit, and base-band digital circuit is made to power on, is read from EEPROM
The configuration information for taking corresponding modes returns to corresponding rf analog front-end circuit, so that rf analog front-end circuit is opened corresponding
The modulation /demodulation function of pattern receives and dispatches the instruction of corresponding modes, and carries out modulation /demodulation processing work.
Example IV
Fig. 4 is a kind of structural schematic diagram for electronic labelling system that the embodiment of the present invention four provides, as shown in figure 4, the electricity
Subtab system includes：The double frequency passive electronic label 200 and reader 300 that any embodiment of the present invention provides, wherein
Reader 300 carries out data friendship for providing radiofrequency field based on radiofrequency signal and double frequency passive electronic label 200
Mutually；
Double frequency passive electronic label 200, the signal mode for determining residing radiofrequency field according to the radiofrequency signal received,
And according to determining signal mode to double frequency passive electronic label 200 carry out with postpone based on matched radiofrequency signal pattern with
Reader 300 carries out data interaction.
Specifically, the radiofrequency field that reader 300 provides includes high-frequency radio frequency field and super high frequency radio frequency field.
Reader 300 provides radiofrequency field, when double frequency passive electronic label 200 is placed in the radiofrequency field, according to what is received
Radiofrequency signal determines the signal mode of residing radiofrequency field, then according to determining signal mode to double frequency passive electronic label 200
It carries out, with postponing, being configured to corresponding signal mode, and then data friendship can be carried out by transceiving radio frequency signal and reader 300
Mutually.
The signal mode of residing radiofrequency field is determined according to the radiofrequency signal received for double frequency passive electronic label 200
Particular content refers to previous embodiment, is repeated no more to this.
It is worth noting that, each unit and module included in above-described embodiment is only drawn according to function logic
Point, but it is not limited to above-mentioned division, as long as corresponding function can be realized；In addition, each functional unit is specific
Title is also only to facilitate mutually distinguish, the protection domain being not intended to restrict the invention.
Note that above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments described here, can carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out to the present invention by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
May include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (10)
1. a kind of signal mode detection device, which is characterized in that including：ON-OFF control circuit, signal deteching circuit and pattern
Decision circuitry, wherein
The input terminal of the ON-OFF control circuit, output end and the second frequency range for connecting the first frequency band signals receiving circuit
The output end of signal receiving circuit；The input terminal of the signal deteching circuit receives electricity for connecting first frequency band signals
The output end on road；
The ON-OFF control circuit, in the radiation field in first frequency band signals or second frequency band signals
When, it is powered control for the signal deteching circuit and the pattern decision circuit；
Signal detecting result for being detected to first frequency band signals, and is sent to institute by the signal deteching circuit
State pattern decision circuit；
The pattern decision circuit, for according to the signal detecting result, determining signal corresponding with radiation field is presently in
Pattern.
2. signal mode detection device according to claim 1, which is characterized in that the ON-OFF control circuit specifically wraps
It includes：Power on decision circuitry and ON-OFF control circuit, wherein
Output end and second frequency of the input terminal for powering on decision circuitry with the first frequency band signals receiving circuit
The output end of segment signal receiving circuit is connected, and the output end for powering on decision circuitry is connected with the ON-OFF control circuit, institute
State power on decision circuitry for receive the first frequency band signals receiving circuit output end or second frequency band signals connect
The level signal of the output end output of circuit is received, and when the level signal meets preset condition to the ON-OFF control circuit
Send open signal；
The ON-OFF control circuit is connected with the signal deteching circuit and the pattern decision circuit respectively, for receiving
It powers to when the open signal for the signal deteching circuit and the pattern decision circuit.
3. signal mode detection device according to claim 1, which is characterized in that the signal deteching circuit, including：It is real
When clock forming circuit, default clock forming circuit and counting circuit, wherein
The real-time clock generative circuit is connected with the output end of the first frequency band signals receiving circuit, and being used for will be described
The sine wave extracted in the output signal of the output end of first frequency band signals receiving circuit is converted into the first square wave, by described first
Square wave is as the real-time clock signal；
The default clock forming circuit, the second square wave for generating fixed frequency, using second square wave as described pre-
If clock signal；
The input terminal of the counting circuit is generated with the output end of the real-time clock generative circuit and the default clock respectively
The output end of circuit is connected, and the counting circuit is for adopting the default clock signal according to the real-time clock signal
Sample counts；
The input terminal of the pattern decision circuit is connected with the output end of the counting circuit, and the pattern decision circuit is used for root
Signal mode corresponding with radiation field is presently in is determined according to count results.
4. a kind of double frequency passive electronic label, including：Signal mode detection device as described in any one of claims 1-3,
One frequency band signals receiving circuit, the second frequency band signals receiving circuit and base-band digital processing module, wherein
The first input end of the signal mode detection device respectively with the output end of the first frequency band signals receiving circuit and
The output end of the second frequency band signals receiving circuit is connected, the second input terminal of the signal mode detection device and described the
The output end of one frequency band signals receiving circuit is connected, and output end and the base-band digital of the signal mode detection device are handled
The input terminal of module is connected；The base-band digital processing module respectively with the first frequency band signals receiving circuit and described second
Frequency band signals receiving circuit is connected；
The first frequency band signals receiving circuit, the first frequency band signals for receiving residing radiofrequency field are simultaneously handled, and with institute
State the data interaction that the reader of the radiofrequency field was completed and provided in the cooperation of base-band digital processing module；
The second frequency band signals receiving circuit, the second frequency band signals for receiving residing radiofrequency field are simultaneously handled, and with institute
State the data interaction that the reader of the radiofrequency field was completed and provided in the cooperation of base-band digital processing module；
The signal mode detection device, for detecting signal mode corresponding with radiation field is presently in, and by testing result
It is sent to the base-band digital processing module；
The base-band digital processing module, for matched configuration parameter to be sent to first frequency according to the testing result
Segment signal receiving circuit or the second frequency band signals receiving circuit are configured, and first frequency band signals is coordinated to receive electricity
Road or the second frequency band signals receiving circuit complete the data interaction with the reader for providing the radiofrequency field.
5. electronic tag according to claim 4, which is characterized in that the frequency range of first frequency band signals is less than institute
State the frequency range of the second frequency band signals.
6. electronic tag according to claim 5, which is characterized in that
The first frequency band signals receiving circuit include the first frequency band signals antenna being connected and the first frequency band signals simulation before
End, the second frequency band signals receiving circuit include the second frequency band signals antenna being connected and the second frequency band signals simulation before
End；
The base-band digital processing module includes：The base-band digital processing circuit and storage unit being connected, wherein
The base-band digital processing circuit is simulated with the first frequency band signals AFE(analog front end), second frequency band signals respectively
Front end and the signal mode detection device are connected, for reading matching in the storage unit according to the testing result
Configuration parameter, and the configuration parameter is sent to the first frequency band signals AFE(analog front end) or the second frequency band signals mould
Quasi- front end is configured, and the first frequency band signals AFE(analog front end) or the second frequency band signals AFE(analog front end) is coordinated to complete
With the data interaction for the reader for providing the radiofrequency field；
The storage unit, for storing the first frequency band signals AFE(analog front end) and the second frequency band signals AFE(analog front end)
Configure the label data information of parameter and the double frequency passive electronic label.
7. electronic tag according to claim 6, which is characterized in that the storage unit is EEPROM.
8. double frequency passive electronic label according to claim 5, which is characterized in that first frequency band signals are penetrated for high frequency
Frequency signal, second frequency band signals are super high frequency radio frequency signal.
9. a kind of electronic labelling system, which is characterized in that including：Such as claim 4-8 any one of them double frequency passive electronics
Label and reader, wherein
The reader carries out data interaction for providing radiofrequency field based on radiofrequency signal and the double frequency passive electronic label；
The double frequency passive electronic label, the signal mode for determining residing radiofrequency field according to the radiofrequency signal received, with
And according to determining signal mode to the double frequency passive electronic label carry out with postpone based on matched radiofrequency signal pattern with
The reader carries out data interaction.
10. system according to claim 9, which is characterized in that the radiofrequency field that the reader provides includes high frequency
Radiofrequency field and super high frequency radio frequency field.
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| CN201810371958.XA CN108388820B (en) | 2018-04-24 | 2018-04-24 | Signal mode detection device, dual-frequency passive electronic tag and electronic tag system |
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| CN201810371958.XA CN108388820B (en) | 2018-04-24 | 2018-04-24 | Signal mode detection device, dual-frequency passive electronic tag and electronic tag system |
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| CN115719079A (en) * | 2022-11-21 | 2023-02-28 | 深圳市国芯物联科技有限公司 | Baseband architecture of UHF-RFID tag chip and state control method thereof |
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| CN108388820B (en) | 2023-12-12 |
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