CN108804965A - A kind of RFID tag and system - Google Patents
A kind of RFID tag and system Download PDFInfo
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- CN108804965A CN108804965A CN201810813408.9A CN201810813408A CN108804965A CN 108804965 A CN108804965 A CN 108804965A CN 201810813408 A CN201810813408 A CN 201810813408A CN 108804965 A CN108804965 A CN 108804965A
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- 230000004044 response Effects 0.000 claims abstract description 332
- 238000004891 communication Methods 0.000 claims description 45
- 230000003111 delayed effect Effects 0.000 claims description 15
- 238000012986 modification Methods 0.000 claims description 10
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- 238000009472 formulation Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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Classifications
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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
-
- 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.
- G06K7/10079—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 spatial domain, e.g. temporary shields for blindfolding the interrogator in specific directions
- G06K7/10089—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 spatial domain, e.g. temporary shields for blindfolding the interrogator in specific directions the interrogation device using at least one directional antenna or directional interrogation field to resolve the collision
- G06K7/10099—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 spatial domain, e.g. temporary shields for blindfolding the interrogator in specific directions the interrogation device using at least one directional antenna or directional interrogation field to resolve the collision the directional field being used for pinpointing the location of the record carrier, e.g. for finding or locating an RFID tag amongst a plurality of RFID tags, each RFID tag being associated with an object, e.g. for physically locating the RFID tagged object in a warehouse
Abstract
The present invention discloses a kind of RFID tag, including：Antenna, radio frequency unit, control unit and response unit, the antenna and radio frequency unit are used to receive and dispatch the signal of RFID reader；The antenna, the radio frequency unit and described control unit are sequentially connected, described control unit is connect with response unit, described control unit is used to the identity information of RFID tag being sent to RFID reader, when the response instruction that the RFID tag for receiving RFID reader return is target labels, it is determined whether control the response unit and send out preset response signal.The invention also discloses a kind of RFID systems.The present invention solves the problems, such as that RFID tag is not easy to search in the prior art.
Description
Technical field
The present invention relates to a kind of RFID tag and systems.
Background technology
By radiofrequency signal automatic identification target object and related data is obtained in Radio Frequency Identification Technology, identification work need not
Manual intervention, it is swift and convenient to operate, it is widely used to the fields such as market, supermarket, hospital, logistics management, taking care of books.Radio frequency
Identification (Radio Frequency Identification, RFID) label is a kind of intelligence mark with unique electronic code
Label, by being bound with target object, the identification information as target object.User is by RFID reader to RFID tag
Operation is identified, realizes the lookup to specific target object.But in the prior art, RFID reader is simultaneously to multiple
When RFID tag is identified, it is difficult to realize in multiple RFID tags and searches a certain target labels.
Invention content
In view of technological deficiency existing in the prior art and technology drawback, the embodiment of the present invention offer overcome the above problem or
A kind of RFID tag and system that person solves the above problems at least partly.
As the one side of the embodiment of the present invention, it is related to a kind of RFID tag, including：Antenna, radio frequency unit, control are single
Member and response unit, the antenna and radio frequency unit are used to receive and dispatch the signal of RFID reader；The antenna, the radio frequency unit
It is sequentially connected with described control unit, described control unit is connect with response unit, and described control unit is used for RFID tag
Identity information be sent to RFID reader, when receive RFID reader return the RFID tag be target labels sound
When should instruct, it is determined whether control the response unit and send out preset response signal.
In one embodiment, Ke Yishi, described control unit include memory and controller, and the memory is stored with
The identity information of RFID tag, the controller is for reading the identity information in the memory and being sent to RFID readings
Device, and for when the response that the RFID tag for receiving RFID reader return is target labels instructs, presetting
Response modes under control whether the response unit sends out preset response signal.
In one embodiment, Ke Yishi, the preset response modes are that identification summary responses pattern or communication disconnect
After be delayed response modes；
The controller is used for, and in the case where identifying summary responses pattern, control response unit sends out preset response letter immediately
Number；
The controller is used for, after communication disconnects under delay response modes, when RFID tag and RFID reader disconnect
When communication connection, if the time interval for disconnecting communication connection is more than setting time t1, control response unit sends out preset sound
Induction signal.
In one embodiment, Ke Yishi, the RFID tag further include the response modes switch being connect with control unit,
The response modes switch switches after the identification summary responses pattern and communication disconnect between delay response modes.
In one embodiment, Ke Yishi, the memory are also stored with response modes mark, the response modes mark
Delay response modes mark after being disconnected including identification summary responses pattern identification and communication；
The controller is additionally operable to, will when receiving the modification response modes control instruction of RFID reader return
The response modes of RFID tag are the response modes that are delayed after communication disconnects by identification summary responses schema modification, or are disconnected by communication
Delay response modes are revised as identification summary responses pattern afterwards.
In one embodiment, Ke Yishi, the memory are also stored with responsive state mark；
The controller is additionally operable to, when the response that the RFID tag for receiving RFID reader return is target labels
When instruction, judge that the responsive state identifies whether for the corresponding responsive state mark of preset response modes, if it is not, update institute
It states responsive state and is identified as responsive state mark corresponding with the response modes；And according to the corresponding response of the response modes
Status indicator sends out response control instruction according to the preset response modes to response unit.
In one embodiment, Ke Yishi, the controller are additionally operable to, and are calculated the response unit and are sent response signal
The responsive state of memory is identified modification by the time when the time that response unit sends response signal reaching predetermined time t2
For initial communication status indicator, response unit stopping sends out preset response signal.
In one embodiment, Ke Yishi, the controller are additionally operable to, right after communication disconnects under delay response modes
The commitment defini interval time of RFID tag and RFID reader carries out timing, if RFID tag and RFID reader are in the time of setting
It is communicated successfully in the t3 of interval, then timing is carried out to the commitment defini interval time again, when RFID tag and RFID reader last time
When disconnecting the interval time of communication connection more than preset time t 1, response control instruction, wherein t1 > 2* are sent out to response unit
t3。
In one embodiment, Ke Yishi, the response unit are following combinations of any one or more：
Buzzer, warning light and vibrator.
In one embodiment, Ke Yishi, the RFID tag further include being separately connected control unit and response unit
Control switch, the break-make of control response unit and control unit.
In one embodiment, Ke Yishi, the RFID tag are for the memory of writeable label or the RFID tag
External register.
As the another aspect of the embodiment of the present invention, it is related to a kind of RFID system, including：RFID reader and above-mentioned
RFID tag described in one；
The RFID reader includes RFID read heads and computer；
The RFID read heads obtain the identity information of RFID tag, and upload to for being communicated with RFID tag
The computer receives the response that the RFID tag that the computer is sent is target labels and instructs and be sent to RFID marks
Label；
The computer, the identity information for reading the RFID tag of overhead pass for receiving RFID, when the RFID tag
For target labels when, by the RFID read heads to the RFID tag send the RFID tag be target labels response
Instruction.
In one embodiment, Ke Yishi, in the RFID read heads and Automated library system to same equipment.
The embodiment of the present invention at least realizes following technique effect：
1, RFID tag provided in an embodiment of the present invention is read when being communicated with RFID reader receiving RFID
The response instruction of device is read, control response unit sends out response signal, can realize the quick and convenient lookup to RFID tag.RFID
Label can be closed by attachment, insertion, with the modes such as packaging or transportation facility binding, formation and the one-to-one correspondence of binding article
System realizes the quick lookup of pair article mutually bound with RFID tag and realizes fast and accurately according to the response of RFID tag
Determine article position.
2, be stored with identity information in the memory of the control unit of RFID tag provided in an embodiment of the present invention, when with
When RFID reader is communicated, reads the identity information in memory by the controller of control unit and be sent to RFID and read
Device is read, realizes identification of the RFID reader to RFID tag.
3, RFID tag provided in an embodiment of the present invention can preset response modes, and RFID tag is in preset response modes
Lower control response unit is responded, and according to different use conditions, the response modes of RFID tag can also be selected, example
Such as, it is switched between delay response modes after identification summary responses pattern and communication disconnect so that the embodiment of the present invention carries
The RFID tag of confession can be adapted for different application scenarios.
4, responsive state mark is also stored in the memory of the control unit of RFID tag provided in an embodiment of the present invention,
Under preset response modes, the controller of control unit is by judging whether the responsive state is preset response modes pair
The responsive state mark answered sends out response control instruction according to the preset response modes to response unit.The present invention is implemented
The controller of the RFID tag that example provides, control unit is identified by the responsive state read in memory, control response unit
It is responded, response unit identifies in responsive state in preset response modes, only and to preset one a pair of response modes
Can just be responded in the case of answering, prevent response unit generate accidentally respond, and mistake send out response signal.
5, RFID tag provided in an embodiment of the present invention, by the controller of control unit to the response time of response unit
Timing is carried out, stops response when the response time reaching the predetermined time, response is realized by the inherent logic control of RFID tag
The response time of unit controls.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages can be by the explanations write
Recorded structure is realized and is obtained in book, claims and attached drawing.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Description of the drawings
Attached drawing is used to provide further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of structural schematic diagram of RFID tag provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another RFID tag provided in an embodiment of the present invention；
Fig. 3 provides the structural schematic diagram of the third RFID tag for the embodiment of the present invention；
Fig. 4 provides the structural schematic diagram of the 4th kind of RFID tag for the embodiment of the present invention；
Fig. 5 provides the structural schematic diagram of the 5th kind of RFID tag for the embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of RFID system provided in an embodiment of the present invention.
Specific implementation mode
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
Completely it is communicated to those skilled in the art.
Separately below to a kind of various specific implementation modes progress of RFID tag and system provided in an embodiment of the present invention
Detailed description.
Embodiment one：
A kind of RFID tag that the embodiment of the present invention one provides, including：Antenna 101, radio frequency unit 102, control unit 103
With response unit 104, the signal of the antenna 101 and radio frequency unit 102 for receiving and dispatching RFID reader；The antenna 101, institute
It states radio frequency unit 102 to be sequentially connected with described control unit 103, described control unit 103 is connect with response unit 104, described
Control unit 103 is used to the identity information of RFID tag being sent to RFID reader, when receiving RFID reader return
When the RFID tag is the response instruction of target labels, controls the response unit 104 and send out preset response signal.
In a specific embodiment, the identity information of the RFID tag, Ke Yishi, the electronic code letter of RFID tag
Breath.
Referring to Fig.1, in the embodiment of the present invention, the antenna 101 of RFID tag is penetrated for being sent out and receiving radiofrequency signal
Frequency unit 102 is used for the power control to the coding of institute's receiving and transmitting signal, decoding, the modulation /demodulation of signal and receiving and transmitting signal.
In the embodiment of the present invention, the modes such as RFID tag can be bound by attachment, insertion and packaging or transportation facility,
Form the one-to-one relationship with binding article.
RFID tag provided in an embodiment of the present invention is read when being communicated with RFID reader receiving RFID
The response of device instructs, and control response unit 104 sends out response signal, can realize the quick and convenient lookup to RFID tag.
RFID tag can form and bind the one-to-one correspondence of article by the modes such as attachment, insertion and packaging or transportation facility binding
Relationship is realized the quick lookup of pair article mutually bound with RFID tag and is realized quick and precisely according to the response of RFID tag
Determination article position.
With reference to Fig. 2, in one embodiment, Ke Yishi, described control unit 103 includes memory 1031 and controller
1032, the memory 1031 is stored with the identity information of RFID tag, and the controller 1032 is for reading the memory
Identity information in 1031 is simultaneously sent to RFID reader.
It is stored with identity information in the memory 1031 of the control unit 103 of RFID tag provided in an embodiment of the present invention,
When being communicated with RFID reader, the identity in memory 1031 is read by the controller 1032 of control unit 103 and is believed
RFID reader is ceased and be sent to, realizes identification of the RFID reader to RFID tag.
In one embodiment, Ke Yishi, the controller 1032 are additionally operable to, when the institute for receiving RFID reader return
When stating the response instruction that RFID tag is target labels, control whether the response unit 104 is sent out under preset response modes
Go out preset response signal.
In a specific embodiment, the preset response modes are identification summary responses pattern or prolong after communicating disconnection
When response modes；
The controller 1032 is used for, and in the case where identifying summary responses pattern, control response unit 104 sends out preset immediately
Response signal；
The controller 1032 is used for, after communication disconnects under delay response modes, when RFID tag and RFID reader
When disconnecting communication connection, if the time interval for disconnecting communication connection is more than setting time t1, control response unit 104 sends out pre-
If response signal.
RFID tag provided in an embodiment of the present invention can preset response modes, and RFID tag is under preset response modes
Control response unit 104 is responded, and according to different use conditions, the response modes of RFID tag can also be selected,
For example, being switched between delay response modes after identification summary responses pattern and communication disconnect so that the embodiment of the present invention
The RFID tag of offer can be adapted for different application scenarios.
In a specific embodiment, the response modes of the RFID tag can be a kind of pre-set response mould
Formula.The preset response modes can be identification summary responses pattern, and either, be delayed response modes after communication disconnection.
With reference to Fig. 3, in a specific embodiment, Ke Yishi, the RFID tag further includes being connect with control unit 103
Response modes switch 105, the response modes switch 105 the identification summary responses pattern and communication disconnect after be delayed ring
It answers and switches between pattern.When using RFID tag, according to actual needs by response modes switch 105 by the sound of RFID tag
It is the response modes that are delayed after identifying summary responses pattern or communication disconnection to answer pattern switching.
In one embodiment, Ke Yishi, the memory 1031 are also stored with response modes mark, the response modes
Mark includes delay response modes mark after identification summary responses pattern identification and communication disconnection；
The controller 1032 is additionally operable to, when receiving the modification response modes control instruction of RFID reader return,
Be delayed response modes after the response modes of RFID tag are disconnected by identification summary responses schema modification for communication, or disconnected by communicating
The response modes that are delayed after opening are revised as identification summary responses pattern.When RFID tag is communicated with RFID reader, control
When the controller 1032 of unit 103 receives the modification response modes control instruction of RFID reader return, memory is changed
1031 response modes mark.
In a specific embodiment, Ke Yishi, the memory 1031 are also stored with responsive state mark；
The controller 1032 is additionally operable to when the RFID tag for receiving RFID reader return be target labels
When response instruction, judge that the responsive state identifies whether for the corresponding responsive state mark of preset response modes, if it is not, more
The new responsive state is identified as responsive state mark corresponding with the response modes；And it is corresponding according to the response modes
Responsive state identifies, and response control instruction is sent out to response unit 104 according to the preset response modes.
In a specific embodiment, the responsive state mark includes initial communication status indicator, the first response shape
State identifies and the second responsive state mark；
Initial communication status indicator characterizes described control unit 103 and does not send response control instruction to response unit 104；
First responsive state mark characterization described control unit 103 sends response control to the response unit 104 immediately
Instruction；
Second responsive state mark characterizes the response unit 104 and is communicated with RFID reader disconnection in RFID tag
Under conditions of the time interval of connection is more than setting time t1, response control instruction is sent to the response unit 104.
It is also stored with responsive state in the memory 1031 of the control unit 103 of RFID tag provided in an embodiment of the present invention
Mark, under preset response modes, the controller 1032 of control unit 103 is by judging whether the responsive state is default
Response modes corresponding responsive state mark, send out response control to response unit 104 according to the preset response modes
Instruction.RFID tag provided in an embodiment of the present invention, the controller 1032 of control unit 103 is by reading in memory 1031
Responsive state identifies, and control response unit 104 is responded, and response unit 104 is only being responded in preset response modes
Status indicator can just be responded with to preset in the case that response modes correspond, and prevented response unit 104 from generating and accidentally rung
Answer, and mistake send out response signal.
In a specific embodiment, Ke Yishi, the controller 1032 are additionally operable to, and calculate the hair of the response unit 104
The time for sending response signal, when the time that response unit 104 sends response signal reaching predetermined time t2, by memory 1031
Responsive state mark be revised as initial communication status indicator, the stopping of response unit 104 sends out preset response signal.
RFID tag provided in an embodiment of the present invention, by the controller 1032 of control unit 103 to response unit 104
Response time carries out timing, stops response when the response time reaching the predetermined time, is controlled by the inherent logic of RFID tag
Realize the response time control of response unit 104.
In a specific embodiment, after setting the RFID tag to be looked in a computer as target labels, pass through
RFID reader is communicated with RFID tag, and in the case where identifying summary responses pattern, if communicated successfully, RFID tag arrives
When the RFID tag that RFID reader returns is the response instruction of target labels, by the response shape in the memory 1031
State mark is revised as the first responsive state mark, and controller 1032 sends out response control instruction to response unit 104, at this time RFID
The response unit 104 of label will send out response signal immediately.Under the response modes, the memory 1031 of control unit 103
In responsive state mark be revised as the first responsive state mark after, control unit 103 sends out response to response unit 104 immediately
The response unit 104 of control instruction, RFID tag immediately enters working condition, to facilitate people to find out the label.
After communication disconnects under delay response modes, after RFID reader communicates successfully with RFID tag, RFID tag connects
The RFID tag for receiving RFID reader return is that the response of target labels instructs, by the response shape in the memory 1031
State mark is revised as the second responsive state mark, and the controller 1032 of control unit 103 is to RFID tag and RFID reader
The commitment defini interval time carries out timing and is weighed if RFID tag communicates successfully with RFID reader in the time interval t3 of setting
Timing newly is carried out to the commitment defini interval time, the response unit 104 of RFID tag will not send out response at this time, and last time disconnects logical
When the interval time of letter connection is more than preset time t 1, response control instruction is sent out to response unit 104, response unit 104 is sent out
Go out response signal, wherein t1 > 2*t3.After communication disconnects under delay response modes, only when RFID reader and RFID tag
When the interval time of disconnection communication connection is more than setting time t1, response unit 104 can just enter working condition.After communication disconnects
Be delayed response modes, commonly used in when mutually bound with RFID tag article removal RFID reader identification space after, RFID
Label sends out response signal to facilitate people to find out article by RFID tag response.
In one embodiment, Ke Yishi, the response unit 104 of the RFID tag be it is following any one or more
Combination：Buzzer, warning light and vibrator.Response unit 104 can be prompted by auditory tone cues, light, vibration prompting, or
The combination of various prompting modes sends out response signal.
With reference to Fig. 4, in one embodiment, Ke Yishi, the RFID tag further includes being separately connected control unit
103 and response unit 104 control switch 106, the break-make of control response unit 104 and control unit 103.
In one embodiment, Ke Yishi, RFID tag are external for the memory 1031 of writeable label or RFID tag
Register.
With reference to Fig. 5, in one embodiment, Ke Yishi, the RFID tag further includes：With antenna 101, radio frequency list
Member 102,104 sequentially connected power supply 107 of control unit 103 and response unit, the power supply 107 is to antenna 101, radio frequency unit
102, control unit 103 and response unit 104 are powered.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of RFID system, since the system solves to ask
The principle of topic is similar to aforementioned RFID tag, therefore the implementation may refer to the implementation of aforementioned RFID tag, repeats place no longer
It repeats.
Reference Fig. 6, a kind of RFID system of the embodiment of the present invention, including：Any institute in RFID reader 2 and above-described embodiment
The RFID tag 1 stated；
The RFID reader 2 includes RFID read heads 201 and computer 202；
The RFID read heads 201, for being communicated with RFID tag 1, the identity information of acquisition RFID tag 1, and
The computer 202 is uploaded to, the RFID tag 1 for receiving the transmission of the computer 202 is that the response of target labels instructs
And it is sent to RFID tag 1；
The computer 202, the identity information of the RFID tag 1 for receiving the upload of RFID read heads 201, when described
When RFID tag 1 is target labels, sending the RFID tag 1 to the RFID tag 1 by the RFID read heads 201 is
The control instruction of target labels.
In the embodiment of the present invention, since RFID tag 1 can pass through attachment, insertion and packaging or transportation facility binding etc.
Mode forms and passes through when requiring to look up a certain specific article, i.e. target item with the one-to-one relationship of binding article
The label information of target item, that is, the identity information with RFID tag 1 are looked in computer 202, RFID reader 2 is such as
Fruit reads the RFID tag 1 bound with target item, then the response unit 104 of respective labels sends out response, to facilitate people that will lead to
Lookup RFID tag 1 is crossed, the lookup to target item is completed.
In a specific embodiment, the computer 202 of the RFID reader 2, RFID read heads 201 can be two
Independent equipment can also be that RFID read heads 201 and computer 202 are integrated into same equipment, for example are integrated into hand-held
Formula equipment integrating.
Have to the course of work of RFID system provided in an embodiment of the present invention below by two concrete application examples
Body explanation：
The first embodiment：RFID tag 1 is to identify that the embodiment of summary responses pattern is as follows：
It first passes through physical method in advance to bind RFID tag 1 and target item to be managed, each RFID tag 1 is right
Answer a target item.1 information of RFID tag of all target items to be managed is prestored in computer 202,
Target item and 1 unique corresponding relation of RFID tag are established in computer 202.
In specific application, after the RFID tag 1 of the target item to be looked for being set in computer 202, RFID is used
Read head 201 is scanned RFID tag 1, and after scanning RFID tag 1 of target item, computer 202 passes through RFID
Read head 201 and the RFID tag 1 are into row data communication, it is assumed that in the responsive state mark of RFID tag 1, initial communication state
The mode bit of mark is that the mode bit of the 0, first responsive state mark is 1, when the responsive state of the RFID tag 1 is identified as 0,
The mode bit that the responsive state of memory 1031 identifies is revised as 1 by the controller 1032 of RFID tag 1 from 0, controller 1032
Response control instruction is sent out to response unit 104.When the mode bit that the responsive state of memory 1031 identifies is 0, control is single
Member 103 will not send response control instruction to response unit 104, and response unit 104 will not send out response signal at this time, store
When the mode bit of the responsive state mark of device 1031 is 1, control unit 103 sends response control instruction to response unit 104, this
When response unit 104 send out response signal immediately.
When the mode bit that the responsive state of memory 1031 identifies becomes 1 from 0, RFID tag 1 enters responding process, control
The controller 1032 of unit 103 processed sends response control instruction to response unit 104, and response unit 104 sends out preset response
Signal.User can find target item position according to the response of RFID tag 1.
After lock onto target article position, following manner may be used, response unit 104 is allowed to stop response：
Under a kind of mode, the control of control unit 103 and response unit 104 can be separately connected in the setting of RFID tag 1
Switch 106 is made, user can close the response of RFID tag 1 by the control switch 106 on RFID tag 1, alternatively, in another kind
Under mode, the control unit 103 of RFID tag 1 has clocking capability, and the controller 1032 of control unit 103 is to response unit
104 times for sending response signal carried out timing, when the time that response unit 104 sends response signal reaching the predetermined time,
The mode bit that the responsive state of memory 1031 identifies is revised as 0, control unit 103, which is no longer sent to response unit 104, rings
Control instruction, the stopping of response unit 104 is answered to send out response signal.
In the embodiment of the present invention, the response unit 104 of RFID tag 1 can be buzzer, be driven by control unit 103
Buzzer, which makes a sound, to be responded.The RFID tag 1 can be writeable label, by the memory for changing RFID tag 1
The mode bit of responsive state mark in 1031 changes the responsive state of RFID tag 1.
RFID system provided in an embodiment of the present invention can be applied to pair when RFID tag 1 is identification summary responses pattern
The quick positioning searching of magnanimity article, when use, each RFID tag 1 corresponded to a target item, passed through in computer 202
The label information of RFID searches target item, and when the scanning of RFID read heads 201 is to the RFID tag 1, which sends out
Response signal, user can find the target item to be searched.It is particularly applicable to taking care of books, file administration, specimen tube
Reason, sample managing, material evidence management etc. bind RFID tag 1 and books, archives, sample, sample or material evidence, by RFID
Read head 201 sends out response instruction to RFID tag 1, is realized to books, archives, sample, sample by the response of RFID tag 1
The quick lookup of product or material evidence.
Second of embodiment：RFID tag 1 is that the embodiment of delay response modes after communication disconnects is as follows：
It first passes through physical method in advance to bind RFID tag 1 and target item to be monitored, each RFID tag 1 is right
Answer a target item；1 information of RFID tag of all target items to be monitored is prestored in computer 202,
Target item and 1 unique corresponding relation of RFID tag are established in computer 202.
After setting at least one RFID tag 1 to be monitored in computer 202, using 201 pairs of RFID read heads and extremely
A few RFID tag 1 carries out scan round, circulation time t3.Behind RFID tag 1 for the target item for scanning monitoring,
Computer 202 is by RFID read heads 201 and the RFID tag 1 into row data communication, it is assumed that the responsive state mark of RFID tag 1
In knowledge, it is 2 that the mode bit of initial communication status indicator, which is the mode bit that the 0, second responsive state identifies, then after communication disconnection
It is delayed under response modes, when the responsive state of the RFID tag 1 is identified as 0, the controller 1032 of RFID tag 1 is by memory
The mode bit of 1031 responsive state mark is revised as 2 from 0.In embodiments of the present invention, RFID tag 1 is in memory 1031
When the mode bit of responsive state mark is 0, control unit 103 will not send response control instruction to response unit 104, ring at this time
Unit 104 is answered not send out response signal；When the mode bit that the responsive state of memory 1031 identifies is 2, control unit 103
Controller 1032 start timing, if in the time interval of timing to t3, RFID read heads 201 and the RFID tag 1 are again
It communicates successfully, then timing is carried out to the commitment defini interval time again, after RFID tag 1 communicates for the last time with RFID reader 2,
Interval time is more than setting time t1, wherein t1 > 2*t3, and RFID reader 2 fails successfully to be led to again with RFID tag 1
Letter, control unit 103 send control response instruction to response unit 104, and response unit 104 sends out response signal.
In the embodiment of the present invention, when the mode bit that the responsive state of memory 1031 identifies becomes 2 from 0, RFID tag 1
Only it is more than setting time t1 (t1 > 2*t3) in 1032 timing of controller of control unit 103, RFID is read into responding process
Read head 201 succeeds with the RFID tag 1 to be communicated again, and control unit 103 can just send to response unit 104 and respond
Control instruction, response unit 104 send out response signal.If the response unit 104 of RFID tag 1 sends out response signal, illustrate this
RFID tag 1 has disengaged from the scanning area range that the cycle of RFID read heads 201 is read, and user signal can find according to response
Target item position.
In the embodiment of the present invention, RFID read heads 201 carry out scan round, and the time for scanning a cycle is t3, it is assumed that
RFID reader 2 a upper intermittent scanning to a certain particular RFID tag 1 time be the 1st second, next intermittent scanning arrive this
The time of specific label is t3-1 seconds, then the time interval of twice sweep is 2*t3-2 seconds, to ensure the particular RFID tag 1
Have in the scanning area range that the cycle for being detached from RFID read heads 201 is read, can just send out response signal, be missed without will produce
Response, the 1032 timing time t1 of controller when response unit 104 is sent out response signal is set greater than 2*t3, more than setting
Fix time t1 when, RFID read heads 201 and the RFID tag 1 are successful to be communicated again, and RFID tag 1 can just send out sound
Induction signal ensures the only just meeting in the scanning area range that the cycle for being really detached from RFID read heads 201 is read of RFID tag 1
Send out response signal.
When finding target item, following manner may be used, response unit 104 is allowed to stop response：
Under a kind of mode, the control of control unit 103 and response unit 104 can be separately connected in the setting of RFID tag 1
Switch 106 is made, user can close the response of RFID tag 1 by the control switch 106 on RFID tag 1, alternatively, in another kind
Under mode, there is RFID tag 1 clocking capability, the controller 1032 of control unit 103 to send response signal to response unit 104
Time carry out timing, when response unit 104 send response signal time reach the predetermined time when, by the sound of memory 1031
The mode bit of status indicator is answered to be revised as 0, control unit 103 no longer sends response control instruction to response unit 104, and response is single
Member 104 stops sending out response signal, it is also possible that under a third procedure, target item is brought back RFID and read by user again
The scanning area of read head 201, when RFID read heads 201 re-start data with the RFID tag 1 and communicate, control unit 103
Response control instruction no longer is sent to response unit 104, the stopping of response unit 104 sends out response signal.
RFID system provided in an embodiment of the present invention, RFID tag 1 are Ke Yiying when being delayed response modes after communication disconnects
For the spatial dimension management for specific target item, that is, fence is established, RFID read heads 201 are in scanning area
Scan round is carried out to the corresponding RFID tag of specific target item 1, when more than one cycle period, a certain RFID tag 1
It is not communicated again with RFID read heads 201 successfully, then after the delay adjustments time, the response unit 104 of RFID tag 1 sends out response
Signal, prompts user's RFID tag 1 to have disengaged from the scanning area of RFID read heads 201, i.e., target item to be monitored exceeds
Fence range.In the embodiment of the present invention, when except target item having gone out fence range, RFID tag 1 enters response
Flow reminds user's 1 corresponding target item of RFID tag to have been removed from the scanning area range of RFID read heads 201,
The article to be monitored within the scope of fence is monitored and is managed to realize.
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and includes the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (11)
1. a kind of RFID tag, including：Antenna, radio frequency unit, control unit and response unit, the antenna and radio frequency unit are used
In the signal of transmitting-receiving RFID reader；It is characterized in that, the antenna, the radio frequency unit and described control unit connect successively
It connects, described control unit is connect with response unit, and described control unit is used to the identity information of RFID tag being sent to RFID
Reader, when the response instruction that the RFID tag for receiving RFID reader return is target labels, it is determined whether control
It makes the response unit and sends out preset response signal.
2. RFID tag as described in claim 1, which is characterized in that described control unit includes memory and controller, institute
The identity information that memory is stored with RFID tag is stated, the identity information that the controller is used to read in the memory is concurrent
It is sent to RFID reader, and for referring to when the response that the RFID tag for receiving RFID reader return is target labels
When enabling, control whether the response unit sends out preset response signal under preset response modes.
3. RFID tag as claimed in claim 2, which is characterized in that the preset response modes are identification summary responses mould
Be delayed response modes after formula or communication disconnection；
The controller is used for, and in the case where identifying summary responses pattern, control response unit sends out preset response signal immediately；
The controller is used for, after communication disconnects under delay response modes, when RFID tag is communicated with RFID reader disconnection
When connection, if the time interval for disconnecting communication connection is more than setting time t1, control response unit sends out preset response letter
Number.
4. RFID tag as claimed in claim 3, which is characterized in that the RFID tag further includes being connect with control unit
Response modes switch, response modes switch be delayed after the identification summary responses pattern and communication disconnect response modes it
Between switch.
5. RFID tag as claimed in claim 3, which is characterized in that the memory is also stored with response modes mark, institute
It includes delay response modes mark after identification summary responses pattern identification and communication disconnection to state response modes mark；
The controller is additionally operable to, and when receiving the modification response modes control instruction of RFID reader return, RFID is marked
The response modes of label are the response modes that are delayed after communication disconnects by identification summary responses schema modification, or are delayed after being disconnected by communication
Response modes are revised as identification summary responses pattern.
6. such as claim 2-5 any one of them RFID tags, which is characterized in that the memory is also stored with responsive state
Mark；
The controller is additionally operable to instruct when the response that the RFID tag for receiving RFID reader return is target labels
When, judge that the responsive state identifies whether for the corresponding responsive state mark of preset response modes, if it is not, updating the sound
Status indicator is answered to be identified for responsive state corresponding with the response modes；And according to the corresponding responsive state of the response modes
Mark sends out response control instruction according to the preset response modes to response unit.
7. RFID tag as claimed in claim 6, which is characterized in that the controller is additionally operable to, and calculates the response unit
The time for sending response signal, when the time that response unit sends response signal reaching predetermined time t2, by the sound of memory
Status indicator is answered to be revised as initial communication status indicator, response unit stopping sends out preset response signal.
8. such as claim 3-5 any one of them RFID tags, which is characterized in that the controller is additionally operable to, disconnected in communication
Be delayed under response modes after opening, timing carried out to commitment defini interval time of RFID tag and RFID reader, if RFID tag with
RFID reader communicates successfully in the time interval t3 of setting, then carries out timing to the commitment defini interval time again, when RFID is marked
When the interval time that label disconnect communication connection with RFID reader last time is more than preset time t 1, sound is sent out to response unit
Answer control instruction, wherein t1 > 2*t3.
9. RFID tag as described in any one in claim 1-5, which is characterized in that the response unit be it is following any one
Or a variety of combination：
Buzzer, warning light and vibrator.
10. RFID tag as described in any one in claim 1-5, which is characterized in that further include be separately connected control unit and
The control of response unit switchs, the break-make of control response unit and control unit.
11. a kind of RFID system, which is characterized in that including：RFID reader and claim 1-10 any one of them
RFID tag；
The RFID reader includes RFID read heads and computer；
The RFID read heads obtain the identity information of RFID tag, and upload to described for being communicated with RFID tag
Computer receives the response that the RFID tag that the computer is sent is target labels and instructs and be sent to RFID tag；
The computer, the identity information for reading the RFID tag of overhead pass for receiving RFID, when the RFID tag is mesh
When marking label, the response that the RFID tag is target labels is sent to the RFID tag by the RFID read heads and is referred to
It enables.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813408.9A CN108804965A (en) | 2018-07-23 | 2018-07-23 | A kind of RFID tag and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810813408.9A CN108804965A (en) | 2018-07-23 | 2018-07-23 | A kind of RFID tag and system |
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| CN108804965A true CN108804965A (en) | 2018-11-13 |
Family
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| CN201810813408.9A Pending CN108804965A (en) | 2018-07-23 | 2018-07-23 | A kind of RFID tag and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113808310A (en) * | 2021-08-20 | 2021-12-17 | 洛沙(厦门)科技有限公司 | Memorial park worship management system |
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