CN104700135B - Chain network alignment system and method - Google Patents
Chain network alignment system and method Download PDFInfo
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- CN104700135B CN104700135B CN201510145009.6A CN201510145009A CN104700135B CN 104700135 B CN104700135 B CN 104700135B CN 201510145009 A CN201510145009 A CN 201510145009A CN 104700135 B CN104700135 B CN 104700135B
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Abstract
The invention provides a kind of chain network alignment system, including trigger, rear station subsystem and some electronic tags, an electronic tag is at least installed on each article, some electronic tags divide into the first electronic tag and other electronic tags, and first electronic tag is used to：Respond the trigger signal of the low frequency from the trigger；Then：A feedback signal is sent to the rear station subsystem；Send the trigger signal of another low frequency；Other described electronic tags are used to：The trigger signal that the adjacent electronic tag of response is sent；Then：A feedback signal is sent to the rear station subsystem；Send the trigger signal of another low frequency；The rear station subsystem is used to obtain position relationship between different electronic tags according to the feedback signal, and then obtains the position relationship that is provided between the different articles of different electronic tags.
Description
Technical field
The present invention relates to electronic tag, more particularly to a kind of chain network alignment system and method.
Background technology
Electronic tag is also known as RF tag, transponder, data medium；Reader is also known as read-out device, scanner, reading
Head, communicator, read write line (depend on electronic tag whether can wireless rewrite data).Pass through between electronic tag and reader
Coupling element realizes (contactless) coupling in the space of radiofrequency signal；In coupling channel, according to sequential relationship, the biography of energy is realized
Pass and data exchange.
The basic functional principle of traditional RFID (radio frequency identification) technology is simultaneously uncomplicated：Label enters behind magnetic field, receives solution
The radiofrequency signal that device is sent is read, the product information of storage in the chips is sent out by the energy that induced-current is obtained
(PassiveTag, passive label or passive tag), or actively send signal (ActiveTag, active label of a certain frequency
Or active tag)；After plug-in reader reads information and decoded, deliver to CIS and carry out relevant data processing.
In this context, because electronic tag only can just be triggered in entrance magnetic field range, and magnetic field range is normal
It is often limited again, this is allowed for while the spatial dimension brought the number of labels in illustrative RFID system into and arranged is limited
In a less scope, it is unfavorable for giving full play to the identification function of electronic tag, is also unfavorable for the knowledge based on electronic tag
Other function opens up its other use.Furthermore, it is understood that on this basis, the article accumulated in face of large space utilizes handheld terminal
To be identified workload heavy and can not ensure accuracy rate for triggering electronic tag one by one, and can not realize automatically at all big
The positioning for many articles accumulated in space.
The content of the invention
The technical problem to be solved in the present invention is that determining for many articles accumulated in large space how is realized using electronic tag
Position.
In order to solve this technical problem, the invention provides a kind of chain network alignment system, to be stacked to some
Article positioned, including trigger, rear station subsystem and some electronic tags are at least installed described in one on each article
Electronic tag,
Some electronic tags divide into the first electronic tag and other electronic tags,
First electronic tag is used to：
Respond the trigger signal of the low frequency from the trigger；Then：
A feedback signal is sent to the rear station subsystem；
Send the trigger signal of another low frequency；
Other described electronic tags are used to：
The trigger signal that the adjacent electronic tag of response is sent；Then：
A feedback signal is sent to the rear station subsystem；
Send the trigger signal of another low frequency；
The trigger signal at least includes the tag ID for the electronic tag for sending the trigger signal, and the feedback signal is extremely
The tag ID included in the trigger signal that the tag ID of electronic tag, the electronic tag belonging to including less are received and the electricity
The RSSI intensity for the trigger signal that subtab is received；It is different that each electronic tag and the trigger are configured one
Tag ID；
The rear station subsystem is used to obtain position relationship between different electronic tags according to the feedback signal, and then
Obtain the position relationship being provided between the different articles of different electronic tags.
Optionally, other described electronic tags only ring when to respond trigger signal that adjacent electronic tag is sent
Answer wherein first trigger signal sent.
Optionally, other described electronic tags are after to send a feedback signal to the trigger, only when described in
When station subsystem receives a confirmation signal afterwards, the trigger signal of another low frequency is just sent；
The rear station subsystem is also used to：
For having been received by trigger signal and not sending the electronic tag of another trigger signal also, according to default order,
Only sending confirmation signal gives current order a prepreerence electronic tag, the trigger signal for making it send another low frequency.
Optionally, the electronic tag at least includes microcontroller, radio-frequency antenna, low frequencies antenna and at least one is low
Frequency reception antenna, the microcontroller is at least configured to realize following functions：
The trigger signal received from the low frequency reception antenna is responded, a feedback letter is sent by the radio-frequency antenna
Number；And：
Another trigger signal is sent by the low frequencies antenna；
The feedback signal also include the antenna ID that the low frequency reception antenna of trigger signal is received in affiliated label and
Corresponding RSSI intensity.
Optionally, the electronic tag also includes radio-frequency module, low frequency trigger module and low frequency reception module, all described
Low frequency reception antenna is connected by the low frequency reception module with the microcontroller, and the low frequencies antenna passes through described
Low frequency trigger module is connected with the microcontroller, and the radio-frequency antenna is connected by the radio-frequency module and the microcontroller
Connect.
Optionally, the low frequencies antenna is different from the direction of low frequency reception antenna, when the low frequency reception antenna
During quantity at least two, the direction of different low frequency reception antennas is differed.
Optionally, the rear station subsystem includes terminal computer, terminal radio frequency module and terminal radio frequency antenna, the end
End radio-frequency antenna is connected by the terminal radio frequency module with the terminal computer, the terminal radio frequency antenna and the radio frequency
Data transfer is realized between antenna.
Present invention also offers a kind of chain network localization method, comprise the following steps：
S1：Trigger sends any one of the trigger signal of low frequency into some electronic tags；
S2：The electronic tag responds the trigger signal, sends feedback signal to the rear station subsystem, and sends another touch
Signal；
S3：The trigger signal that at least one of other electronic tags response of step S2 is sent, sends feedback signal to institute
State rear station subsystem；
S4：The trigger signal sent in adjacent electronic tag response of step S3, sends another trigger signal；
S5：The trigger signal that the electronic tag response of step S4 of trigger signal is sent was not received, sent feedback signal
To the rear station subsystem；
S6：Repeat step S4 and S5, until all electronic tags all sent feedback signal；
S7：The position relationship between different electronic tags is obtained according to the feedback signal, and then obtains that difference is installed
Position relationship between the different articles of electronic tag；
Wherein, the trigger signal at least includes the tag ID for the electronic tag for sending the trigger signal, the feedback
Signal at least include belonging to include in the trigger signal that receives of the tag ID of electronic tag, the electronic tag tag ID,
The RSSI intensity for the trigger signal that the electronic tag is received；Each electronic tag and the trigger are configured one
Different tag IDs.
Optionally, the step S4 further comprises：
After the trigger signal sent in adjacent electronic tag response of step S3：
The rear station subsystem is directed to the electronic tag for having been received by trigger signal and not sending another trigger signal also, according to
According to default order, only send a confirmation signal and give current order a prepreerence electronic tag；
The electronic tag only sends another trigger signal in the case where receiving the confirmation signal,.
Optionally, the electronic tag at least includes microcontroller, radio-frequency antenna, low frequencies antenna and at least one is low
Frequency reception antenna, the microcontroller at least to respond the trigger signal received from the low frequency reception antenna, leads to
Cross the low frequencies antenna and send another trigger signal, feedback signal described in one, institute are sent by the radio-frequency antenna
State the antenna ID and correspondingly that feedback signal also includes receiving the low frequency reception antenna of trigger signal in its affiliated electronic tag
RSSI intensity.
The present invention realizes the trigger process of chain type by triggering and being triggered before label, on the basis of this, due to
Each electronic tag can only be triggered and be triggered a range of electronic tag, and this is allowed for by feedback signal and touching
Tag ID and RSSI signal intensities are introduced in signalling, it is possible to judge the position relationship between different electronic tags accordingly, enter
One step, different ID electronic tag is installed on different articles can just realize position relationship between different articles really
It is vertical.
Brief description of the drawings
Fig. 1 and Fig. 2 are the system schematics of chain network alignment system in one embodiment of the invention；
Fig. 3 is the theory diagram of electronic tag in one embodiment of the invention；
Fig. 4 is the principle schematic of the electronic tag triggering in one embodiment of the invention；
Fig. 5 is microcontroller and the circuit diagram of radio frequency part in one embodiment of the invention；
Fig. 6 is the circuit diagram of low frequency reception part in one embodiment of the invention；
Fig. 7 is the circuit diagram of low frequencies part in one embodiment of the invention；
Fig. 8 is the schematic flow sheet of chain network localization method in one embodiment of the invention.
Embodiment
The chain network alignment system and method provided below with reference to Fig. 1 to Fig. 8 by one embodiment the present invention
It is described in detail, it is optional embodiment of the present invention, it is believed that those skilled in the art is not changing the present invention
It can be modified and polished in the range of spirit and content.
Fig. 1 and Fig. 2 are refer to, a kind of chain network alignment system is present embodiments provided, to the thing to some stackings
Product are positioned, including trigger, rear station subsystem and some electronic tags, and an electronics is at least installed on each article
Label,
Some electronic tags divide into the first electronic tag and other electronic tags,
First electronic tag is used to：
Respond the trigger signal of the low frequency from the trigger；Then：
A feedback signal is sent to the rear station subsystem；
Send the trigger signal of another low frequency；
Other described electronic tags are used to：
The trigger signal that the adjacent electronic tag of response is sent；Then：
A feedback signal is sent to the rear station subsystem；
Send the trigger signal of another low frequency；
The trigger signal at least includes the tag ID for the electronic tag for sending the trigger signal, and the feedback signal is extremely
The tag ID included in the trigger signal that the tag ID of electronic tag, the electronic tag belonging to including less are received and the electricity
The RSSI intensity for the trigger signal that subtab is received；It is different that each electronic tag and the trigger are configured one
Tag ID；
The rear station subsystem is used to obtain position relationship between different electronic tags according to the feedback signal, and then
Obtain the position relationship being provided between the different articles of different electronic tags.
The present embodiment realizes the trigger process of chain type by triggering and being triggered before label, on the basis of this, by
Can only be triggered and be triggered a range of electronic tag in each electronic tag, this allow for by feedback signal and
Tag ID and RSSI signal intensities are introduced in trigger signal, it is possible to judge the position relationship between different electronic tags accordingly,
Further, different ID electronic tag is installed on different articles can just realize position relationship between different articles really
It is vertical.
In the present embodiment, the trigger can be proficiency holding equipment, the trigger signal to send low frequency, triggering letter
No. ID of their own has been comprised at least in number, a tag ID can be considered as, the present embodiment citing could be arranged to 0.It please join
Fig. 2 is examined, label therein can regard tag ID number as.
In the present embodiment, other described electronic tags when to respond trigger signal that adjacent electronic tag is sent,
Only in response to wherein first trigger signal sent.Designated herein is adjacent, is defined with the coverage of low frequency signal, place
It is exactly adjacent rather than simple arrangement mode in coverage.Features described above is it can be appreciated that an electronics
Label is only capable of being triggered once, sends a feedback signal, this would not cause same label to be triggered repeatedly, so as to produce
The data such as multiple corresponding tag IDs, RSSI value, at least with the benefit for simplifying calculating.
It is corresponding, Fig. 8 is refer to, the present embodiment additionally provides a kind of chain network localization method, including following step
Suddenly：
S1：Trigger sends any one of the trigger signal of low frequency into some electronic tags；
S2：The electronic tag responds the trigger signal, sends feedback signal to the rear station subsystem, and sends another touch
Signal；
S3：The trigger signal that at least one of other electronic tags response of step S2 is sent, sends feedback signal to institute
State rear station subsystem；
S4：The trigger signal sent in adjacent electronic tag response of step S3, sends another trigger signal；
S5：The trigger signal that the electronic tag response of step S4 of trigger signal is sent was not received, sent feedback signal
To the rear station subsystem；
S6：Repeat step S4 and S5, until all electronic tags all sent feedback signal；
S7：The position relationship between different electronic tags is obtained according to the feedback signal, and then obtains that difference is installed
Position relationship between the different articles of electronic tag；
Wherein, the trigger signal at least includes the tag ID for the electronic tag for sending the trigger signal, the feedback
Signal at least include belonging to include in the trigger signal that receives of the tag ID of electronic tag, the electronic tag tag ID,
The RSSI intensity for the trigger signal that the electronic tag is received；Each electronic tag and the trigger are configured one
Different tag IDs.
On the basis of more than, the electronic tag at least includes microcontroller, radio-frequency antenna, low frequencies antenna and at least
One low frequency reception antenna, the microcontroller (MCU) is at least configured to realize following functions：
The trigger signal received from the low frequency reception antenna is responded, a feedback letter is sent by the radio-frequency antenna
Number；And：
Another trigger signal is sent by the low frequencies antenna.
For both the above function, it is responsive to trigger signal and sends feedback signal, you can be regarded as being triggered, sends another
Trigger signal, you can be regarded as actively triggering, both can with causality, i.e., because being responsive to trigger signal, just be sent out
Go out trigger signal or do not possess causal, at the same time it can also supplement other necessary conditions to reach triggering, it is anti-
The effect of feedback, in other words, as long as a label can realize two functions, it is possible to be regarded as optional implementation of the invention
One of example.
In the present embodiment, the low frequencies antenna is different from the direction of low frequency reception antenna, when the low frequency reception day
During the quantity at least two of line, the direction of different low frequency reception antennas is differed.
The feedback signal also includes the antenna that the low frequency reception antenna of trigger signal is received in its affiliated electronic tag
No. ID and corresponding RSSI intensity.Electronic tag belonging to designated herein, refers to sending the electronic tag of the feedback signal naturally.
It in summary it can be seen, the tag ID of the affiliated electronic tag of the feedback signal can be included in feedback signal, this is affiliated
Tag ID that the trigger signal that the low frequency reception antenna of electronic tag is received is included, the affiliated electronic tag receive it is tactile
The antenna ID of the low frequency reception antenna of signalling, and the affiliated electronic tag the low frequency reception antenna for receiving trigger signal
The intensity RSSI of received signal.
Based on the first two tag ID in upper segment description, it is contemplated that low frequencies antenna is also that tool is directive, one
In a little embodiments, can confirm that both rough location relations, it can be identified that the object for carrying out position comparison be respectively which two
Which two label individual label, determine after, because the low frequency reception antenna of electronic tag is different directions respectively, according further to
Which antenna receives trigger signal, i.e. antenna ID, can further confirm that both position relations, introduces corresponding signal strong
Spend after RSSI, not only can obtain further data with regard to the distance of two labels, additionally it is possible to believed by multiple low frequency reception antennas
Number strong and weak difference determines whether the position relation between two labels.
According to above logic, those skilled in the art should be able to obtain the scheme and modeling pattern that some are available for calculating,
Because all data are all quantifiable, the attenuation change of signal intensity, the change of aerial angle all understand to simulate, institute
So that those skilled in the art are fully able to obtain some schemes for realizing effect of the present invention under above description.
In the present embodiment, it is contemplated that during chain type is triggered, it may occur that the problem of overlapping triggering, the present invention
In step S5, the trigger signal only sent by the electronic tag response of step S4 for not receiving trigger signal sends feedback
Signal is to the rear station subsystem.Corresponding, in the system of the present embodiment, other described electronic tags are to send
After one feedback signal to the trigger, only when receiving a confirmation signal from the rear station subsystem, another low frequency is just sent
Trigger signal.In other words, on the one hand can overlap triggering, on the other hand, only receive the triggering of first trigger signal, this
The uncertainty of trigger process is had led to, by taking Fig. 1 as an example, after electronic tag 2,3,4 is triggered by electronic tag 1, electronic tag 7
Or triggered actually being triggered by electronic tag 2 by electronic tag 4, be random, be that this present embodiment is drawing for this order
Lead there is provided a solution, but be also not necessarily limited to the solution.
In the present embodiment, other described electronic tags are after to send a feedback signal to the trigger, only when certainly
When the rear station subsystem receives a confirmation signal, the trigger signal of another low frequency is just sent；
The rear station subsystem is also used to：
For having been received by trigger signal and not sending the electronic tag of another trigger signal also, according to default order,
Only sending confirmation signal gives current order a prepreerence electronic tag, the trigger signal for making it send another low frequency.
Corresponding, the step S4 further comprises：
After the trigger signal sent in adjacent electronic tag response of step S3：
The rear station subsystem is directed to the electronic tag for having been received by trigger signal and not sending another trigger signal also, according to
According to default order, only send a confirmation signal and give current order a prepreerence electronic tag；
The electronic tag only sends another trigger signal in the case where receiving the confirmation signal,.
In the present embodiment, it is believed that after electronic tag is triggered, it can automatically turn on radio-frequency antenna and be monitored,
So it can just receive the confirmation signal.
Referring to Fig. 1, specifically, for the ease of understanding and illustrating, it is assumed that label therein is exactly No. ID, and default
Order is exactly the order of numeral from small to large, and the direction of wherein low frequencies antenna is oblique upper right, and each electronic tag is matched somebody with somebody
Three low frequency reception antennas are put, and the direction of low frequency reception antenna is left and right with respectively, and assume 9 electronics shown in Fig. 1
The coverage of each low frequencies antenna can cover the low frequencies of horizontal, vertical and oblique three electronic tags and connect in label
Receive antenna.
So, after tag ID is 0 trigger triggering electronic tag 1, electronic tag 1 is touched respectively as the first electronic tag
Generating subtab 2,3,4, now, electronic tag 2,3,4 belong to have received trigger signal but do not send trigger signal, i.e. quilt
The label not triggered also is triggered, wherein, electronic tag minimum ID is 2, then, first by electronic tag 2 to adjacent
Electronic tag is triggered, i.e., electronic tag 7 and 8 is triggered by electronic tag 2, is now triggered the label not triggered also just
Into electronic tag 3,4,7,8, adjacent electronic tag should now be triggered by electronic tag 3, by that analogy.If
The electronic tag of distributed in three dimensions, its situation is increasingly complex, but does not depart under the logic.
Under most extreme embodiment, those skilled in the art can immediately consult feedback letter on rear station subsystem
Number, it could be aware which electronic tag has received trigger signal and has been triggered accordingly, electronic tag be configured to only to receive really
Recognize in the case of just sending another trigger signal after signal, can be realized by manually sending confirmation signal one after another
Logic function described in text.In other alternative-embodiments, or different ID electronic tag pre-sets the stand-by period,
Just triggered and fed back after the time, in other words, another described trigger signal is just sent after the default time.
For the rear station subsystem：
It refer in Fig. 2, the present embodiment, the rear station subsystem includes terminal computer, terminal radio frequency module and terminal
Radio-frequency antenna, the terminal radio frequency antenna is connected by the terminal radio frequency module with the terminal computer, and the terminal is penetrated
Data transfer is realized between frequency antenna and the radio-frequency antenna.Feedback signal described above can be by the terminal radio frequency antenna
Realize and transmit with radio-frequency antenna, confirmation signal described above can also be realized by the terminal radio frequency antenna and radio-frequency antenna to be passed
It is defeated.In the present embodiment, the terminal radio frequency antenna and radio-frequency antenna are transceiving radio frequency antenna, in other alternative embodiments,
It is different according to its effect, it can also be only configured to transmitting antenna or reception antenna.
It is illustrated in further details below with reference to Fig. 3 to Fig. 7 electronic tags provided the present embodiment.
Refer to Fig. 3, present embodiments provide a kind of electronic tag, including microcontroller (MCU), radio frequency (RF) antenna,
Low frequencies antenna and at least one low frequency reception antenna, the microcontroller (MCU) are at least used to：
Respond the trigger signal received from the low frequency reception antenna；
Another trigger signal is sent by the low frequencies antenna；
One feedback signal is sent by the radio frequency (RF) antenna.
For the causality of three of the above function, can first be responsive to trigger signal, that is, be triggered, then realize feedback
Triggered with active, but be also not necessarily limited to this, the effect that other necessary conditions can be supplemented to reach triggering, feed back, in other words, as long as
One label can realize three functions, it is possible to be regarded as one of optional embodiment of the present invention.
In the present embodiment, the chip that microcontroller (MCU) is indicated using such as Fig. 5, the present invention is not limited thereto certainly.
In the present embodiment, the label also includes radio frequency (RF) module, low frequency trigger module and low frequency reception module, Suo Yousuo
State low frequency reception antenna to be connected with the microcontroller (MCU) by the low frequency reception module, the low frequencies antenna
It is connected by the low frequency trigger module with the microcontroller (MCU), radio frequency (RF) antenna passes through the radio frequency (RF)
Module is connected with the microcontroller (MCU).
Radio frequency (RF) module, low frequency trigger module and low frequency reception module designated herein may be considered in microprocessor
The module of at least one coding, decoding, transmission and amplification etc. function is played between each antenna.Similarly, previously described terminal
Radio frequency (RF) module is also similar effect
For low frequency reception part, when the quantity at least two of the low frequency reception antenna, different low frequency reception antennas
Direction differ.It refer in Fig. 5 and Fig. 6, the present embodiment, employ the antenna in three directions as an example, connecing respectively
The low frequency signal in left and right, lower three directions is received, its LF1P, LF2P, LF3P as depicted are respectively connected to AS3993 chips
Three input interfaces, AS3993 chips can be considered as in the low frequency reception module in the present embodiment, the present embodiment, CS therein
Interface is connected to the P0.0 interfaces of microcontroller (MCU), and SCL interfaces are connected to the P0.1 interfaces of microcontroller (MCU), and SDI interfaces connect
To the PL4 interfaces of microcontroller (MCU), SDO interfaces are connected to the PL3 interfaces of microcontroller (MCU), and CL_DAT interfaces are connected to micro-control
The P0.4 interfaces of device (MCU) processed, DAT interfaces are connected to the P0.3 interfaces of microcontroller (MCU), and WAKE interfaces are connected to microcontroller
(MCU) P0.6 interfaces.Fig. 5 and Fig. 7 are refer to, for low frequencies part, the P1.5 interfaces of microcontroller (MCU) are connected to
Low frequencies module, and then it is connected to low frequencies antenna.
Other specific wiring and the device arrangements of circuit, can also reference picture 5 obtained to Fig. 7, the present embodiment, which is no longer done, to be had
Body is illustrated, it should be appreciated that why the present embodiment provides specific circuit diagram, it is intended that show, technical scheme
What unique annexation that hardware components can be by known hardware was obtained, the embodiment that Fig. 5 to Fig. 7 illustrates has been given
Go out a kind of scheme, so, the problem of being not in insufficient disclosure and can not realize.
In addition, in the present embodiment, described electronic tag also includes power supply, and the power supply for the microcontroller to supply
Electricity.The power supply is input to the microcontroller and connected after being boosted by least one boost module.The radio-frequency antenna is to penetrate
Frequency dual-mode antenna.
In the present embodiment, radio frequency (RF) antenna is radio frequency (RF) dual-mode antenna, can use 2.4GHz radio frequency (RF) day
Line, low frequency reception antenna, low frequencies antenna can use 12.5MHz antenna.
The present invention from the point of view of further, can be by being further programmed to two-way touch on this hardware foundation
Send out function, identification function on this basis and further positioning function.
For Trigger Function,
1) low frequency signal, referred to as arousal function can be launched；
2) electronic tag of all sleeps is waken up, normal condition, electronic tag is all sleep state, improves electronic tag
Service life；
3) electronic tag needs to recognize the RSSI value of trigger, to confirm the direction of electronic tag, i.e. cephlad-caudal.
For electronic label function：
1) low frequency signal, and RSSI are received；
2) low frequency signal can be launched；
3) corresponding signal is gone out with RF radiofrequency signal rapid fires；
4) working procedure：Sleep->Wake-up work->Sleep.
It is described by configuring corresponding program and peripheral circuit to microcontroller (MCU) in order to realize two-way Trigger Function
Microcontroller (MCU) at least can pass through the low frequency to respond the trigger signal received from the low frequency reception antenna
Transmitting antenna sends another trigger signal, and a feedback signal is sent by the radio frequency (RF) antenna, wherein receiving triggering letter
It is that realization is triggered function number to send feedback signal, wherein sending another trigger signal, Trigger Function is realized immediately.
In order to realize identification function on this basis, the feedback signal at least includes the corresponding tag ID of affiliated label
Number, if on goods label is passed through into the identification function, you can realize the preliminary inventory of goods " whether there is ".
Electronic tag belonging to designated herein, refers to sending the electronic tag of the feedback signal naturally.
In order to realize identification function on this basis, following configuration must also be done：
The trigger signal sent by the low frequencies antenna at least includes the corresponding tag ID number of affiliated label.It is described
Feedback signal at least includes the tag ID number included in the affiliated corresponding tag ID number of label and received trigger signal.
The feedback signal also includes the antenna ID that the low frequency reception antenna of trigger signal is received in affiliated label and corresponding
RSSI intensity.The low frequencies antenna is different from the direction of low frequency reception antenna.When the low frequency reception antenna quantity extremely
When few two, the direction of different low frequency reception antennas is differed.Certainly, how many directions and specifically which present invention be not limited to
A little directions, even it is equidirectional, an optional embodiment of the invention is fallen within, can be sharp respectively in various embodiments of the present invention
With the different directions or the difference of position of different antennae, obtain different coverages, so can be according to RSSI value difference
Specifically to be calculated.
For example, Fig. 4 is refer to, is that label T1 configures three low frequency receptions antenna R11, R12 and R13, its sector
Area coverage is respectively facing left and right and downside, also configures a low frequencies antenna A1, is that label T2 configures three low frequency receptions
Antenna R21, R22 and R23, its fan-shaped area coverage are respectively facing left and right and downside, also configure a low frequencies antenna
A2, and label T1 is in label T2 upside, it is assumed that the ID that label T1 ID is 1, T2 is 2, ID points of label T1 three antennas
It is not 11,12,13, when label T2 sends trigger signal by low frequencies antenna A2, label T1 reception antenna R11 is received
To trigger signal, it is 1 to be now obtained with the tag ID of oneself, and triggering T1 tag ID is 2, and receives trigger signal
Reception antenna R11 antenna ID is 11, can determine which two two adjacent labels be by two ID, by antenna ID,
Because the direction of different antennae is different, it can be determined that its relative position.
In summary, the present invention realizes the trigger process of chain type by triggering and being triggered before label, in this base
On plinth, because each electronic tag can only trigger and be triggered a range of electronic tag, this is allowed for by anti-
Tag ID and RSSI signal intensities are introduced in feedback signal and trigger signal, it is possible to judge the position between different electronic tags accordingly
Relation is put, further, different ID electronic tag is installed on different articles can just realize the position between different articles
The establishment of relation.
Claims (7)
1. a kind of chain network alignment system, is positioned to the article to some stackings, it is characterised in that：Including triggering
One electronic tag is at least installed on device, rear station subsystem and some electronic tags, each article,
Some electronic tags divide into the first electronic tag and other electronic tags,
First electronic tag is used to：
Respond the trigger signal of the low frequency from the trigger；Then：
A feedback signal is sent to the rear station subsystem；
Send the trigger signal of another low frequency；
Other described electronic tags are used to：
The trigger signal that the adjacent electronic tag of response is sent；Then：
A feedback signal is sent to the rear station subsystem；
Send the trigger signal of another low frequency；
The trigger signal at least includes the tag ID for the electronic tag for sending the trigger signal, and the feedback signal is at least wrapped
The tag ID included in the tag ID of affiliated electronic tag, the trigger signal that the electronic tag is received and the electronics mark are included
Sign the RSSI intensity of the trigger signal received；Each electronic tag and the trigger are configured a different mark
Sign ID；
The rear station subsystem is obtained to obtain the position relationship between different electronic tags according to the feedback signal
Position relationship between the different articles of different electronic tags is installed；
Other described electronic tags after to send a feedback signal to the trigger, only when from it is described after station subsystem receive
During to a confirmation signal, the trigger signal of another low frequency is just sent；
The rear station subsystem is also used to：
For having been received by trigger signal and not sending the electronic tag of another trigger signal also, according to default order, only send out
Confirmation signal is sent to the prepreerence electronic tag of current order, the trigger signal for making it send another low frequency.
2. chain network alignment system as claimed in claim 1, it is characterised in that：The electronic tag at least includes microcontroller
Device, radio-frequency antenna, low frequencies antenna and at least one low frequency reception antenna, it is following that the microcontroller is at least configured realization
Function：
The trigger signal received from the low frequency reception antenna is responded, a feedback signal is sent by the radio-frequency antenna；With
And：
Another trigger signal is sent by the low frequencies antenna；
The feedback signal also includes the antenna ID that the low frequency reception antenna of trigger signal is received in affiliated label and correspondingly
RSSI intensity.
3. chain network alignment system as claimed in claim 2, it is characterised in that：The electronic tag also includes radio frequency mould
Block, low frequency trigger module and low frequency reception module, all low frequency reception antennas pass through the low frequency reception module and institute
Microcontroller connection is stated, the low frequencies antenna is connected by the low frequency trigger module with the microcontroller, described to penetrate
Frequency antenna is connected by the radio-frequency module with the microcontroller.
4. chain network alignment system as claimed in claim 2, it is characterised in that：The low frequencies antenna and low frequency reception
The direction of antenna is different, and when the quantity at least two of the low frequency reception antenna, the direction of different low frequency reception antennas is not
It is identical.
5. chain network alignment system as claimed in claim 1, it is characterised in that：The rear station subsystem is calculated including terminal
Machine, terminal radio frequency module and terminal radio frequency antenna, the terminal radio frequency antenna pass through the terminal radio frequency module and the terminal
Computer is connected, and data transfer is realized between the terminal radio frequency antenna and the radio-frequency antenna.
6. a kind of chain network localization method, it is characterised in that：Comprise the following steps：
S1：Trigger sends any one of the trigger signal of low frequency into some electronic tags；
S2：The electronic tag responds the trigger signal, sends feedback signal to rear station subsystem, and send another trigger signal；
S3：The trigger signal that at least one of other electronic tags response of step S2 is sent, sends feedback signal to after described
Station subsystem；
S4：The trigger signal sent in adjacent electronic tag response of step S3, sends another trigger signal；
S5：The trigger signal that the electronic tag response of step S4 of trigger signal is sent was not received, sent feedback signal to institute
State rear station subsystem；
S6：Repeat step S4 and S5, until all electronic tags all sent feedback signal；
S7：The position relationship between different electronic tags is obtained according to the feedback signal, and then obtains that different electronics are installed
Position relationship between the different articles of label；
Wherein, the trigger signal at least includes the tag ID for the electronic tag for sending the trigger signal, the feedback signal
At least include the tag ID included in the tag ID of affiliated electronic tag, the trigger signal that the electronic tag is received, the electricity
The RSSI intensity for the trigger signal that subtab is received；It is different that each electronic tag and the trigger are configured one
Tag ID；
The step S4 further comprises：
After the trigger signal sent in adjacent electronic tag response of step S3：
The rear station subsystem is directed to the electronic tag for having been received by trigger signal and not sending another trigger signal also, according to pre-
If order, only send a confirmation signal and give current order a prepreerence electronic tag；
The electronic tag only sends another trigger signal in the case where receiving the confirmation signal,.
7. chain network localization method as claimed in claim 6, it is characterised in that：The electronic tag at least includes microcontroller
Device, radio-frequency antenna, low frequencies antenna and at least one low frequency reception antenna, the microcontroller is at least to respond from described
The trigger signal that low frequency reception antenna is received, another trigger signal is sent by the low frequencies antenna, is led to
Cross the radio-frequency antenna and send feedback signal described in one, the feedback signal also includes receiving triggering in its affiliated electronic tag
The antenna of the low frequency reception antenna of signal ID and corresponding RSSI intensity.
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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 |
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| CN204515807U (en) * | 2015-03-30 | 2015-07-29 | 上海十贝电子科技有限公司 | chain network positioning system |
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| US20080061940A1 (en) * | 2006-08-03 | 2008-03-13 | Kimberly-Clark Worldwide, Inc. | Smart antenna system for reading data tags |
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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 |
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