CN104700144A - Tag with two-way triggering function - Google Patents
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- CN104700144A CN104700144A CN201510146092.9A CN201510146092A CN104700144A CN 104700144 A CN104700144 A CN 104700144A CN 201510146092 A CN201510146092 A CN 201510146092A CN 104700144 A CN104700144 A CN 104700144A
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Abstract
The invention provides a tag with a two-way triggering function. The tag comprises a microcontroller, a radio-frequency antenna, a low-frequency transmission antenna and at least one low-frequency receiving antenna; the microcontroller is at least used for responding to a triggering signal received from the low-frequency transmission antenna; the low-frequency transmission antenna sends out another triggering signal; the radio-frequency antenna sends out a feedback signal. The tag is provided with the low-frequency transmission antenna and the low-frequency receiving antennas, so that different tags can have the two-way triggering function, and therefore, different tags can be mutually triggered by virtue of signal transmission between the low-frequency transmission antenna and the low-frequency receiving antennas.
Description
Technical field
The present invention relates to electronic tag, particularly relate to a kind of label with two-way Trigger Function.
Background technology
Electronic tag is also known as radio-frequency (RF) tag, transponder, data carrier; Reader is also called readout device, scanner, read head, communicator, read write line (depend on electronic tag whether can wireless rewrite data).The space (contactless) realizing radiofrequency signal by coupling element between electronic tag with reader is coupled; In coupling channel, according to sequential relationship, realize transmission and the exchanges data of energy.
The basic functional principle of traditional RFID (radio-frequency (RF) identification) technology is also uncomplicated: after label enters magnetic field, receive the radiofrequency signal that plug-in reader sends, the energy obtained by means of induction current sends out storage product information (PassiveTag in the chips, passive label or passive label), or initiatively send the signal (ActiveTag, active label or active tag) of a certain frequency; Plug-in reader reads information and after decoding, delivers to CIS and carry out relevant data process.
In this context, because electronic tag only just can be triggered entering in magnetic field range, and magnetic field range is usually limited, this spatial dimension just making simultaneously to bring into number of labels in a set of rfid system and layout has been limited in a less scope, be unfavorable for the recognition function giving full play to electronic tag, be also unfavorable for opening up its other use based on the recognition function of electronic tag.
Summary of the invention
The technical problem to be solved in the present invention how to break away from magnetic field range be spatially suitable for scene to RFID and be suitable for the limitation of number of labels.
In order to solve this technical matters, the invention provides a kind of label with two-way Trigger Function, comprise microcontroller, radio-frequency antenna, low frequencies antenna and at least one low frequency reception antenna, described microcontroller is at least configured to realize following functions:
Respond the trigger pip received from described low frequency reception antenna, send a feedback signal by described radio-frequency antenna; And:
Another trigger pip is sent by described low frequencies antenna.
Optionally, the trigger pip sent by described low frequencies antenna at least comprises No. ID, label corresponding to affiliated label.
Optionally, described feedback signal at least comprises No. ID, the label comprised in No. ID, label corresponding to affiliated label and received trigger pip.
Optionally, described feedback signal also comprises No. ID, the antenna of the low frequency reception antenna receiving trigger pip in affiliated label and corresponding RSSI intensity.
Optionally, the described label with two-way Trigger Function also comprises radio-frequency module, low frequency trigger module and low frequency reception module, all described low frequency reception antennas are all connected with described microcontroller by described low frequency reception module, described low frequencies antenna is connected with described microcontroller by described low frequency trigger module, and described radio-frequency antenna is connected with described microcontroller by described radio-frequency module.
Optionally, described low frequencies antenna is different from the direction of low frequency reception antenna.
Optionally, when the quantity at least two of described low frequency reception antenna, the direction of different low frequency reception antenna is all not identical.
Optionally, the described label with two-way Trigger Function also comprises power supply, and described power supply is with thinking that described microcontroller is powered.
Optionally, described power supply connects by being input to described microcontroller after the boosting of at least one boost module.
Optionally, described radio-frequency antenna is radio-frequency receiving-transmitting antenna.
The present invention is that label is configured with low frequencies antenna and low frequency reception antenna respectively, different labels is made to have two-way Trigger Function, thus the triggering between making between different labels can be realized mutually by the Signal transmissions between low frequencies antenna and low frequency reception antenna.
When the mutual triggering of different label can be realized, on the one hand, the triggering identification of different label can be realized, thus the identification of the article being provided with label can be realized, on the other hand, by the difference of different directions antenna receiving signal in label, also make to judge that the position relationship between different label becomes possibility further, once the position relationship between label can judge, the determination of the position relationship between those different article also becomes possibility.
For Trigger Function,
1) can low frequency signal be launched, be referred to as arousal function;
2) wake the electronic tag of all sleeps up, normal condition, electronic tag is all sleep state, improves the serviceable life of electronic tag;
3) electronic tag needs the RSSI value identifying trigger, to confirm the direction of electronic tag, i.e. and cephlad-caudal.
For electronic label function:
1) low frequency signal is received, and RSSI;
2) low frequency signal can be launched;
3) corresponding signal is gone out with RF radiofrequency signal rapid fire;
4) working routine: sleep-> wakes work-> up and sleeps.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the label in one embodiment of the invention with two-way Trigger Function;
Fig. 2 is the triggering schematic diagram in one embodiment of the invention;
Fig. 3 is the circuit diagram of microcontroller and radio frequency part in one embodiment of the invention;
Fig. 4 is the circuit diagram of one embodiment of the invention medium and low frequency receiving unit;
Fig. 5 is the circuit diagram of one embodiment of the invention medium and low frequency radiating portion;
Fig. 6 is the circuit diagram of power supply in one embodiment of the invention.
Embodiment
To provided by the invention below with reference to Fig. 1 and Fig. 2 there is the label of two-way Trigger Function and be described in detail based on the recognition system of this label, it is optional embodiment of the present invention, can think that those skilled in the art are in the scope not changing the present invention's spirit and content, can modify to it and polish.
Please refer to Fig. 1, present embodiments provide a kind of label with two-way Trigger Function, comprise microcontroller (MCU), radio frequency (RF) antenna, low frequencies antenna and at least one low frequency reception antenna, described microcontroller (MCU) is at least configured to realize following functions:
Respond the trigger pip received from described low frequency reception antenna, send a feedback signal by described radio-frequency antenna; And:
Another trigger pip is sent by described low frequencies antenna.
For above two kinds of functions, response sends feedback signal to trigger pip, namely can regard as and be triggered, send another trigger pip, namely can regard as and initiatively trigger, both can be have cause-effect relationship, namely because response is to trigger pip, just send trigger pip, also can be do not possess causal, simultaneously, other necessary conditions can also be supplemented to reach the effect of triggering, feedback, in other words, as long as a label can realize this two functions, just one of optional embodiment of the present invention can be regarded as.
In the present embodiment, microcontroller (MCU) adopts the chip as Fig. 3 indicates, and certain the present invention is not limited to this.
In the present embodiment, this label also comprises radio frequency (RF) module, low frequency trigger module and low frequency reception module, all described low frequency reception antennas are all connected with described microcontroller (MCU) by described low frequency reception module, described low frequencies antenna is connected with described microcontroller (MCU) by described low frequency trigger module, and described radio frequency (RF) antenna is connected with described microcontroller (MCU) by described radio frequency (RF) module.
Here alleged radio frequency (RF) module, low frequency trigger module and low frequency reception module can be thought to play between microprocessor and each antenna and encode, decode, transmit and the module of one of at least function such as amplification.
For low frequency reception part, when the quantity at least two of described low frequency reception antenna, the direction of different low frequency reception antenna is all not identical.Please refer to Fig. 3 and Fig. 4, in the present embodiment, have employed the antenna in three directions exemplarily, receive a left side respectively, right, the low frequency signal in lower three directions, its LF1P as shown in the figure, LF2P, LF3P is linked into three input interfaces of AS3993 chip respectively, it is low frequency reception module in the present embodiment that AS3993 chip can regard as, in the present embodiment, CS interface wherein receives the P0.0 interface of microcontroller (MCU), SCL interface receives the P0.1 interface of microcontroller (MCU), SDI interface receives the PL4 interface of microcontroller (MCU), SDO interface receives the PL3 interface of microcontroller (MCU), CL_DAT interface receives the P0.4 interface of microcontroller (MCU), DAT interface receives the P0.3 interface of microcontroller (MCU), WAKE interface receives the P0.6 interface of microcontroller (MCU).Please refer to Fig. 3 and Fig. 5, for low frequencies part, the P1.5 interface of microcontroller (MCU) is connected to low frequencies module, and then is connected to low frequencies antenna.
The device arrangements of other concrete wiring and circuit, also can obtain with reference to Fig. 3 to Fig. 6, the present embodiment no longer does concrete elaboration, should be realized that, why the present embodiment provides concrete circuit diagram, is intended to show, the hardware components of technical scheme of the present invention can be obtained by the annexation of the uniqueness of known hardware, the embodiment of Fig. 3 to Fig. 6 signal has given a kind of scheme, so, the problem that can not there is insufficient disclosure He cannot realize.
In addition, in the present embodiment, the described label with two-way Trigger Function also comprises power supply, and described power supply is with thinking that described microcontroller is powered.Described power supply connects by being input to described microcontroller after the boosting of at least one boost module.Described radio-frequency antenna is radio-frequency receiving-transmitting antenna.
In the present embodiment, radio frequency (RF) antenna is radio frequency (RF) dual-mode antenna, and can adopt radio frequency (RF) antenna of 2.4GHz, low frequency reception antenna, low frequencies antenna can adopt the antenna of 12.5MHz.
The present invention further again, this hardware foundation can realize by further programming two-way Trigger Function, recognition function on this basis and further positioning function.
In order to realize two-way Trigger Function, by configuring corresponding program and peripheral circuit to microcontroller (MCU), after the trigger pip that described microcontroller (MCU) at least can receive from described low frequency reception antenna in order to response, another trigger pip is sent by described low frequencies antenna, and send a feedback signal by described radio frequency (RF) antenna, wherein receiving trigger pip, namely send feedback signal be realize being triggered function, wherein send another trigger pip, immediately realize Trigger Function.
In order to realize recognition function on this basis, described feedback signal at least comprises No. ID, label corresponding to affiliated label, if be located on goods by label, by this recognition function, can realize the preliminary inventory whether goods " exists ".Here alleged affiliated electronic tag, refers to the electronic tag sending this feedback signal naturally.
In order to realize recognition function on this basis, also following configuration must be done:
The trigger pip sent by described low frequencies antenna at least comprises No. ID, label corresponding to affiliated label.Described feedback signal at least comprises No. ID, the label comprised in No. ID, label corresponding to affiliated label and received trigger pip.Described feedback signal also comprises No. ID, the antenna of the low frequency reception antenna receiving trigger pip in affiliated label and corresponding RSSI intensity.Described low frequencies antenna is different from the direction of low frequency reception antenna.When the quantity at least two of described low frequency reception antenna, the direction of different low frequency reception antenna is all not identical.Certainly, the present invention is not limited to how many directions and which direction concrete, even equidirectional, also the present invention one optional embodiment is belonged to, in various embodiments of the present invention, the different directions of different antennae or the difference of position can be utilized respectively, obtain different coverages, and then can come specifically to calculate according to the difference of RSSI value.
For example, please refer to Fig. 2, for label T1 configures three low frequency reception antenna R11, R12 and R13, its fan-shaped area coverage is respectively towards a left side, the right side and downside, also configure a low frequencies antenna A1, for label T2 configures three low frequency reception antenna R21, R22 and R23, its fan-shaped area coverage is respectively towards a left side, the right side and downside, also configure a low frequencies antenna A2, and label T1 is in the upside of label T2, assuming that the ID of label T1 is 1, the ID of T2 is 2, the ID of three antennas of label T1 is 11 respectively, 12, 13, when label T2 sends trigger pip by low frequencies antenna A2, the receiving antenna R11 of label T1 receives trigger pip, the label ID that now just can obtain oneself is 1, the label ID triggering T1 is 2, and the antenna ID of the receiving antenna R11 receiving trigger pip is 11, can determine which two two adjacent labels be by two ID, by antenna ID, because the direction of different antennae is different, its relative position can be judged.
Certainly, in a particular application, its situation may be more complicated, so also need to introduce RSSI, the signal received is incorporated into the parameter of metering, the power that one side receives signal by more different receiving antenna compares, and can judge concrete position, can also judge concrete relative distance by the absolute figure of signal.
Visible, based on above logic, can the judgement of specific implementation position as long as configure concrete application scenarios, account form and analogy model.
Based on label described above, the present embodiment additionally provides a kind of recognition system based on two-way Trigger Function label, comprise background host computer and at least two labels with two-way Trigger Function provided by the present invention, described background host computer realizes the transmission of data by main frame radio frequency (RF) module and described radio frequency (RF) antenna.
Further, on the basis identified, location can also be realized, described main frame radio frequency (RF) module at least comprises a receiver, the signal that described receiver sends in order to receive described radio frequency (RF) antenna, described background host computer is at least in order to judge at least two positions had between the label of two-way Trigger Function according to described feedback signal wherein.
In sum, the present invention is that label is configured with low frequencies antenna and low frequency reception antenna respectively, different labels is made to have two-way Trigger Function, thus the triggering between making between different labels can be realized mutually by the Signal transmissions between low frequencies antenna and low frequency reception antenna.
When the mutual triggering of different label can be realized, on the one hand, the triggering identification of different label can be realized, thus the identification of the article being provided with label can be realized, on the other hand, by the difference of different directions antenna receiving signal in label, also make to judge that the position relationship between different label becomes possibility further, once the position relationship between label can judge, the determination of the position relationship between those different article also becomes possibility.
For Trigger Function,
1) can low frequency signal be launched, be referred to as arousal function;
2) wake the electronic tag of all sleeps up, normal condition, electronic tag is all sleep state, improves the serviceable life of electronic tag;
3) electronic tag needs the RSSI value identifying trigger, to confirm the direction of electronic tag, i.e. and cephlad-caudal.
For electronic label function:
1) low frequency signal is received, and RSSI;
2) low frequency signal can be launched;
3) corresponding signal is gone out with RF radiofrequency signal rapid fire;
4) working routine: sleep-> wakes work-> up and sleeps.
Claims (10)
1. there is a label for two-way Trigger Function, it is characterized in that: comprise microcontroller, radio-frequency antenna, low frequencies antenna and at least one low frequency reception antenna, described microcontroller is at least configured to realize following functions:
Respond the trigger pip received from described low frequency reception antenna, send a feedback signal by described radio-frequency antenna; And:
Another trigger pip is sent by described low frequencies antenna.
2. there is the label of two-way Trigger Function as claimed in claim 1, it is characterized in that: the trigger pip sent by described low frequencies antenna at least comprises No. ID, label corresponding to affiliated label.
3. there is the label of two-way Trigger Function as claimed in claim 1, it is characterized in that: described feedback signal at least comprises No. ID, the label comprised in No. ID, label corresponding to affiliated label and received trigger pip.
4. there is the label of two-way Trigger Function as claimed in claim 1, it is characterized in that: described feedback signal also comprises No. ID, the antenna of the low frequency reception antenna receiving trigger pip in affiliated label and corresponding RSSI intensity.
5. there is the label of two-way Trigger Function as claimed in claim 1, it is characterized in that: also comprise radio-frequency module, low frequency trigger module and low frequency reception module, all described low frequency reception antennas are all connected with described microcontroller by described low frequency reception module, described low frequencies antenna is connected with described microcontroller by described low frequency trigger module, and described radio-frequency antenna is connected with described microcontroller by described radio-frequency module.
6. there is the label of two-way Trigger Function as claimed in claim 1, it is characterized in that: described low frequencies antenna is different from the direction of low frequency reception antenna.
7. have the label of two-way Trigger Function as claimed in claim 1, it is characterized in that: when the quantity at least two of described low frequency reception antenna, the direction of different low frequency reception antenna is all not identical.
8. have the label of two-way Trigger Function as claimed in claim 1, it is characterized in that: also comprise power supply, described power supply is with thinking that described microcontroller is powered.
9. there is the label of two-way Trigger Function as claimed in claim 8, it is characterized in that: described power supply connects by being input to described microcontroller after the boosting of at least one boost module.
10. there is the label of two-way Trigger Function as claimed in claim 1, it is characterized in that: described radio-frequency antenna is radio-frequency receiving-transmitting antenna.
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CN201510146092.9A CN104700144B (en) | 2015-03-30 | 2015-03-30 | Label with two-way Trigger Function |
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CN201510146092.9A CN104700144B (en) | 2015-03-30 | 2015-03-30 | Label with two-way Trigger Function |
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CN104700144B CN104700144B (en) | 2018-02-13 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105590078A (en) * | 2015-12-22 | 2016-05-18 | 中国电子科技集团公司第二十二研究所 | Equipment automatic identification apparatus and method based on RFID |
CN112014794A (en) * | 2019-05-30 | 2020-12-01 | 唯垦电子科技(上海)有限公司 | Three-dimensional position positioning system and method |
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US20070200705A1 (en) * | 2006-02-24 | 2007-08-30 | Fujitsu Limited | RFID tag |
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CN203480530U (en) * | 2013-06-27 | 2014-03-12 | 航天信息股份有限公司 | Double-frequency positioning node equipment for track management of grain-depot mobile equipment |
CN103824108A (en) * | 2014-02-17 | 2014-05-28 | 广东华大集成技术有限责任公司 | High-efficiency and low-power consumption electronic tag and system |
CN204515817U (en) * | 2015-03-30 | 2015-07-29 | 上海十贝电子科技有限公司 | There is the label of two-way Trigger Function |
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2015
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US20070200705A1 (en) * | 2006-02-24 | 2007-08-30 | Fujitsu Limited | RFID tag |
CN202694400U (en) * | 2012-07-16 | 2013-01-23 | 深圳市远望谷信息技术股份有限公司 | Active electronic tag with high activation performance |
CN203480530U (en) * | 2013-06-27 | 2014-03-12 | 航天信息股份有限公司 | Double-frequency positioning node equipment for track management of grain-depot mobile equipment |
CN103824108A (en) * | 2014-02-17 | 2014-05-28 | 广东华大集成技术有限责任公司 | High-efficiency and low-power consumption electronic tag and system |
CN204515817U (en) * | 2015-03-30 | 2015-07-29 | 上海十贝电子科技有限公司 | There is the label of two-way Trigger Function |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105590078A (en) * | 2015-12-22 | 2016-05-18 | 中国电子科技集团公司第二十二研究所 | Equipment automatic identification apparatus and method based on RFID |
CN105590078B (en) * | 2015-12-22 | 2018-05-22 | 中国电子科技集团公司第二十二研究所 | A kind of equipment automatic identification equipment and automatic identifying method based on RFID technique |
CN112014794A (en) * | 2019-05-30 | 2020-12-01 | 唯垦电子科技(上海)有限公司 | Three-dimensional position positioning system and method |
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Effective date of registration: 20211209 Address after: 200000 room 1303-19, No. 912, Gonghexin Road, Jing'an District, Shanghai Patentee after: SHANGHAI JUNYUE NETWORK TECHNOLOGY Co.,Ltd. Address before: 201701 Room 303, Zone E, floor 3, Building 29, parcel 67, No. 5, Lane 3841, Huqingping highway, Qingpu District, Shanghai Patentee before: SHANGHAI SHIBEI ELECTRONIC TECHNOLOGY CO.,LTD. |
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Granted publication date: 20180213 |