CN103410401B - Intelligent coffer and adopt its insurance control system and control method - Google Patents
Intelligent coffer and adopt its insurance control system and control method Download PDFInfo
- Publication number
- CN103410401B CN103410401B CN201310316817.5A CN201310316817A CN103410401B CN 103410401 B CN103410401 B CN 103410401B CN 201310316817 A CN201310316817 A CN 201310316817A CN 103410401 B CN103410401 B CN 103410401B
- Authority
- CN
- China
- Prior art keywords
- antenna
- card reader
- label
- file
- cabling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims description 21
- 238000012545 processing Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 5
- 238000012887 quadratic function Methods 0.000 claims description 4
- 238000007726 management method Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 16
- 230000005684 electric field Effects 0.000 description 14
- 238000009826 distribution Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 101100489713 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND1 gene Proteins 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 101100489717 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) GND2 gene Proteins 0.000 description 3
- 230000004069 differentiation Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000002113 chemopreventative effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Landscapes
- Near-Field Transmission Systems (AREA)
Abstract
The invention provides a kind of intelligent coffer, it comprises casing, draw-in groove and card reader antenna, wherein, draw-in groove is built in casing, for housing file holder, described file is provided with label, described label contains containing RFID antenna and chip, the label of card reader antenna and file is oppositely arranged, transmitted by the data of card reader antenna and RFID antenna, one_to_one corresponding reads and identifies the information recorded in the chip of each label, described card reader antenna comprises radio-frequency joint, radio frequency ground plane, some are not waited Wide antenna cabling, several load impedances, wherein, described radio-frequency joint runs through buried via hole and does not wait Wide antenna cabling to be connected with described some, described some are not waited Wide antenna cabling also to run through buried via hole with several load impedances to be connected respectively, described each Wide antenna cabling non-overlapping copies that do not wait connects, the resistance of each load impedance is equal.
Description
Technical field
The present invention relates to a kind of safeties and system, refer in particular to the intelligent coffer of band RFID antenna and adopt its insurance control system and control method.
Background technology
Along with informationalized development, the information system management of file or valuables progressively obtains application and promotes, but, existing files electronic chemoprevention theft system, lack combination on the whole, be limited to the radiation scope of card reader antenna, can not be used for and closely read with the label information of far range.In the strongbox of built-in file or valuables, according to UHF RFID scheme, when needs place multiple file or valuables, and to its put in order there are certain requirements time, needing to arrange shielding trench makes each article card reader read the label information of corresponding article discriminably, to judge whether article are deposited in strongbox in order.It is existing that to be applicable to can be in strongbox what carry out distinguishing management to file or article be HF RFID antenna scheme, HF RFID antenna, labeling task institute energy requirement is obtained by the mode of inductive by label antenna, therefore label can only be read in finite region, general read range is 1cm to 10cm, the regional site management of its characteristic to file or article is favourable, but can not be read at a distance due to it, does not therefore possess the function that remote tracking is antitheft.The principle of UHF RFID antenna work is ELECTROMAGNETIC REFLECTION scattering, and label effectively can be read at comparatively distant location, and under the peak power of standard agreement, read distance and can reach 10m or farther, this characteristic can be used in the scheme of article anti-theft.But, UHF RFID is under conventional card reader antenna, the read range of label cannot be limited, according to its communication protocol, all labels that card reader will read in card reader antenna radiation coverage, therefore UHF RFID is difficult in the Managed Solution of the region differentiation be used among a small circle, and as schemes such as file managements, conventional UHF RFID technique is just difficult to realize.
Also there are some producers to propose to adopt the scheme of double frequency-namely to post HF RFID antenna and UHF RFID antenna on file or article simultaneously simultaneously simultaneously, distinguish in management in the region of strongbox and use HF RFID antenna, in antitheft remote reading, use UHF RFID antenna; Although the program solves certain system problem, compensate for HF RFID scheme and UHF RFID scheme shortcoming separately to a certain extent, the program must provide the hardware facility of two cover different frequency different agreements, and cost is huge; In addition, in identical file or article, post HF RFID antenna and UHF RFID antenna simultaneously, be difficult to avoid causing two mutual interference effects of label antenna, thus cause the severe exacerbation of two tag performance.
Some producers propose the mode by making shielding cavity in strongbox, carry out differentiation management, namely add cost and manufacture difficulty to file or article, are difficult to again the working region scope fundamentally limiting antenna, are difficult to get a desired effect.
Therefore, be necessary to provide a kind of intelligent coffer taking into account in-plant file management completely newly, with insurance control system and the control method of remote file theftproof system, real is necessary, manage effectively file or article to be carried out accurate differentiation and make an inventory, closely whether can be removed strongbox by document of identify, simultaneously by differentiating that avoiding file is illegally taken out theft-proof space region at a distance.
Summary of the invention
Based on the deficiencies in the prior art, main purpose of the present invention is that providing a kind of can deposit and put the intelligent coffer that order carries out accurately management control to file.
Another main purpose of the present invention is that provide one can put order to file carries out accurate control and management simultaneously, and within the scope of certain space, carries out effectively antitheft insurance control system and control method to it.
The invention provides a kind of intelligent coffer, it comprises casing, draw-in groove and card reader antenna, wherein, draw-in groove is built in casing, for housing file holder, described file is provided with label, described label contains containing RFID antenna and chip, the label of card reader antenna and file is oppositely arranged, transmitted by the data of card reader antenna and RFID antenna, one_to_one corresponding reads and identifies the information recorded in the chip of each label, it is characterized in that: described card reader antenna comprises radio-frequency joint, radio frequency ground plane, some are not waited Wide antenna cabling, several load impedances, wherein, described radio-frequency joint runs through buried via hole and does not wait Wide antenna cabling to be connected with described some, described some are not waited Wide antenna cabling also to run through buried via hole with several load impedances to be connected respectively, described each Wide antenna cabling non-overlapping copies that do not wait connects, the resistance of each load impedance is equal.
Preferably, be provided with power splitter further in described card reader antenna, it is connected to radio-frequency joint and each is not etc. between Wide antenna cabling, does not describedly wait Wide antenna cabling to be 2-8 bar, it is arranged between two ground planes, and it is corresponding that number of lines walked by separated time number and the antenna of described power splitter.
Preferably, the arc curve of described antenna meets quadratic function equation: Y=ax
2+ bx+c, wherein, X is the abscissa of camber line, and Y is the ordinate of camber line, and the curve radian of the coaxial cabling of described each bar is identical, the described overall length not waiting Wide antenna cabling is the wavelength of 1/2nd, do not wait the radian of Wide antenna cabling to adopt quadratic function equation curve, the change width of antenna cabling is carried out in mild mode, efficiently avoid the sudden change due to trace width, and cause the situation of impedance discontinuity, can the bandwidth of operation of broadening antenna effectively.
Preferably, it is 50 ohm that load impedance used can meet the antenna impedance calculating gained total, and the resistance of each load impedance not waiting Wide antenna cabling to connect is equal.
In intelligent coffer, when file extend in strongbox, the spacing between described RFID antenna and card reader antenna is 1-4cm, and the spacing between described card reader antenna is more than or equal to 4cm.Each card reader antenna is reading tag information in effective range.
The invention provides a kind of insurance control system adopting described intelligent coffer, it comprises central processing unit and the single channel card reader be attached thereto, multichannel card reader, described single channel card reader is connected with gain directional antenna, described multichannel card reader is connected with each card reader antenna in intelligent coffer, by gain directional antenna and label information that card reader antenna obtains, central processing unit will be transferred to through single channel card reader and multichannel card reader and judges respectively.By insurance control system, strongbox and the unification of gate inhibition's theftproof system are combined in an insurance control system, by central processing unit, two burglary-resisting system are managed, control respectively, by different antennas, same label is distinguished, make it represent different meanings when different azimuth is read, use the characteristic of improvement antenna dexterously, closely whether can be removed strongbox by document of identify, or whether put correctly, whether taken out antitheft region at remote document of identify.
Present invention also offers a kind of control method adopting described insurance control system, it comprises the following steps:
Step 1) opens multichannel card reader and safe interior card reader antenna, if read the label of information match with it, then opens next safe interior card reader antenna in order, reads the label of next file;
Step 2) if current card reader antenna does not read any label information, then open gain directional antenna;
If gain directional antenna reads label information, then start one-level and warn, to point out file stolen, in restarting systems simultaneously of warning, restart to scan label;
If gain directional antenna does not read label information, then this restarts this card reader antenna, re-starts and once reads;
If the label information that the current card reader antenna of step 3) reads is not corresponding with it, then starts warn device and carry out secondary and warn, to point out file non-put correctly; Open next card reader antenna warning simultaneously, continue to read the label of next file;
Step 4) cyclically reads each label information successively.
Wherein, in step 3) and step 4), in whole system scanning process, one-level is warned and is warned with secondary separate, namely can warn simultaneously, also can separate and warn respectively.
Compared with prior art, a kind of intelligent coffer of the present invention and adopt its insurance control system and control method to have the following advantages:
(1) have employed the UHF RFID card reader antenna of improvement in described intelligent coffer to realize in-plant data transmission, each card reader antenna, RFID antenna and chip are one-to-one relationship, read RFID antenna by card reader antenna correspondence, judge whether putting of file in short range be correct;
(2) by improveing the card reader antenna in strongbox, by 1/2nd long not wide antenna cablings adopting power divider and end to be connected to load impedance, effectively define the radiation scope of card reader antenna, its radiated electric field is decayed rapidly with distance antenna distance, card reader antenna after improvement defines the read range of label, only reading tag information within the specific limits, eliminate as each file arranges shielding box, it also avoid the phenomenon misread between adjacent card reader;
(3) have employed built-in UHF RFID antenna in the label, utilize the characteristic of this antenna, namely the digital independent of closely card reader can be met, simultaneously, also label information can be read at a distance by gain directional antenna, realize accurate file management in strongbox, and have by the anti-theft function read at a distance;
(4) by arranging insurance control system, by closely combining with remote theftproof system of strongbox and gain directional antenna, to the storage of file with antitheftly carry out unified management, and carry out multi-form alarm according to different situations, with the present situation of assisting related personnel to understand monitoring file in time, if when occurring stolen, also can take measures in time to remedy.
(5) by arranging insurance control method, by file management in strongbox and the antitheft control that combines at a distance, the information of reading tag in certain sequence, confirm that whether the order of putting is correct, when card reader antenna does not read any label information, supporting paper folder is not in draw-in groove, the burglary-resisting system of OnNow gain directional antenna, the region of label is judged by remote theft-proof system, to monitor timely the file illegally taking antitheft region out of, play the effect of remote anti-theft, what prevent vital document from pressing from both sides is stolen.
Accompanying drawing explanation
Fig. 1 is the structural representation of intelligent coffer of the present invention;
Fig. 2 is the single file of intelligent coffer of the present invention and the assembling schematic diagram of card reader antenna;
Fig. 3 is multiple file of intelligent coffer of the present invention and the assembling schematic diagram of multiple card reader antenna;
Fig. 4 a is the input buried via hole schematic diagram of the card reader antenna of intelligent coffer of the present invention;
Fig. 4 b is the output buried via hole schematic diagram of the card reader antenna of intelligent coffer of the present invention;
Fig. 4 c is the buried via hole lateral view of the card reader antenna of intelligent coffer of the present invention;
Fig. 4 d is the PCB second layer power splitter schematic diagram of the card reader antenna of intelligent coffer of the present invention;
Fig. 4 e is the PCB third layer GND2 schematic diagram of the card reader antenna of intelligent coffer of the present invention;
Fig. 5 a is the PCB first floor GND1 schematic diagram of the card reader antenna of intelligent coffer of the present invention;
Fig. 5 b is PCB the 8th layer of GND3 schematic diagram of the card reader antenna of intelligent coffer of the present invention;
Fig. 6 a is the schematic diagram of PCB the 4th layer of antenna cabling 1 of the card reader antenna of intelligent coffer of the present invention;
Fig. 6 b is the schematic diagram of the PCB layer 5 antenna cabling 2 of the card reader antenna of intelligent coffer of the present invention;
Fig. 6 c is the schematic diagram of the PCB layer 6 antenna cabling 3 of the card reader antenna of intelligent coffer of the present invention;
Fig. 6 d is the schematic diagram of the PCB layer 7 antenna cabling 4 of the card reader antenna of intelligent coffer of the present invention;
Fig. 7 is the reflectance factor S11 of the card reader antenna of intelligent coffer of the present invention and the graph of a relation of operating frequency;
Fig. 8 is the electric-field intensity distribution schematic diagram in the card reader antenna different distance space of intelligent coffer of the present invention;
Fig. 9 a is the antenna space parallel surface electric-field intensity distribution design sketch one of the card reader antenna of intelligent coffer of the present invention;
Fig. 9 b is the antenna space parallel surface electric-field intensity distribution design sketch two of the card reader antenna of intelligent coffer of the present invention;
Figure 10 a is the present invention's intelligence insurance control system block diagram;
Figure 10 b is the space schematic diagram one of the present invention's intelligence insurance control system;
Figure 10 c is the space schematic diagram two of the present invention's intelligence insurance control system;
Figure 11 is the flow chart of the present invention's intelligence insurance control method.
Detailed description of the invention
Shown in Fig. 1-Fig. 3, can appropriately receive to make various important article or file, and prevent stolen or misplace within the specific limits, improve the safety of its keeping, provide a kind of intelligent coffer and adopt insurance control system and the control method of described strongbox, the read range of accurate its label of restriction, realize accurate file management in strongbox, and remote security settings, set up unitized, the wireless anti-theft system of diversification, simplify security settings, and will closely antitheftly and antitheft at a distance combine, substantially increase safety and accuracy that article or file deposit in certain area coverage.Below intelligent coffer, insurance control system and control method is introduced respectively successively.
The invention provides a kind of intelligent coffer 100, it comprises casing 1, draw-in groove 2 and card reader antenna 4, wherein, draw-in groove 2 is built in casing 1, and for housing file holder 3, described file 3 is provided with label 40, described label 40 is containing containing RFID antenna 42 and chip (sign), card reader antenna 4 is oppositely arranged with the label of file 3, and transmitted by the data of card reader antenna 4 and RFID antenna 42, one_to_one corresponding reads and identifies the information that each label 40 chips records.Wherein, casing 1 treats article certainly or file, in the present embodiment, for housing file holder for receiving.If be built-in with individual group of draw-in groove 2 in casing 1, described draw-in groove 2 is arranged parallel to each other, its width is slightly wider than the thickness of file 3, ensureing that file 3 pushes in casing 1 along draw-in groove 2, there is not departing from of larger distance in the positive corresponding described card reader antenna 4 of its back of the body spine label, and when ensureing to extend in casing 1 along draw-in groove 2 at every turn, the label 40 in its ridge portion is fixing with the distance of card reader antenna 4, and in the present invention, the spacing between described label 40 and card reader antenna 4 is 1-4cm.Draw-in groove 2 only for by spaced for each file 3, makes it put neat in order, so can arrange too high.The back side of described each file 3 is provided with label 40, and described label 40 is embedded with chip and RFID antenna 42, is loaded with the relevant information of corresponding folder in described chip, as folder name, person liable, particular content etc., to identify the content of file.Described RFID antenna 42, by the information transmission described in respective labels 40 to card reader antenna 4 on the other side, to be read it by card reader antenna 4 and identifies, if both Corresponding matchings, then representing that the file 3 in this draw-in groove 2 is placed correctly; Otherwise, if both do not mate, then represent that the file 3 in this draw-in groove 2 is placed incorrect; Read any signal or data if fail, then represent in this draw-in groove 2 and do not place file.Described each draw-in groove 2 correspondence places a file 3, the corresponding label 40 of described each file 3, a RFID antenna 42 is built-in with in each label 40, the corresponding card reader antenna 4 of each RFID antenna 42, each corresponding RFID antenna 42 is read by card reader antenna 4 one_to_one corresponding, carry out identifying and judging the attribute information in respective labels to be transferred to card reader antenna 4, prevent from misreading or misplacing.In the present embodiment, described file 3 is financial statement, and first quarter financial statement correspondence is positioned in No. 1 draw-in groove, and corresponding with No. 1 card reader antenna; The second quarter, financial statement correspondence was positioned in No. 2 draw-in grooves, and corresponding with No. 2 card reader antenna; Be corresponding in turn to arrangement.In the present invention, RFID antenna is preferably UHFRFID antenna, and its frequency range is 860MHz-960MHz.
In the present invention, in intelligent coffer, spacing between described RFID antenna 42 and card reader antenna 4 is 1-4cm, spacing between described card reader antenna is more than or equal to 4cm, namely the read range of described RFID antenna 42 is width 4cm, in the solid space of height 4cm, the back side of card reader antenna 4 is not also effectively read, by limiting effective read range of RFID antenna 42, make the Signal transmissions of adjacent R FID antenna 42 interference-free, eliminate the needs that shielding is arranged, simplify body structure, also improve the accuracy of signal data transmission.
Below the concrete structure of described card reader antenna 4 is further described.Shown in Fig. 4 a, described card reader antenna 4 comprises the radio-frequency joint 420 be arranged in antenna plate, radio frequency ground plane 421, some Wide antenna cabling 422 and several load impedances 423 such as not, wherein, described radio-frequency joint 420 runs through buried via hole 425 by power splitter 424 and does not wait Wide antenna cabling 422 to be connected with described some, described some are not waited Wide antenna cabling 422 also to run through buried via hole 423 with several load impedances 423 to be connected respectively, described each Wide antenna cabling 422 non-overlapping copies that do not wait connects, and the resistance of each load impedance 423 is equal.Illustrate from the sectional view of antenna, from top to bottom, first floor is radio frequency ground plane 421, and altogether, radio-frequency maser center signal line connects buried via hole 425 for the outer rim of radio-frequency joint 420 and radio frequency ground plane 421, and is connected with not waiting Wide antenna cabling 422 line.Wherein, described each bar does not wait Wide antenna cabling 422 non-overlapping copies to connect.Shown in composition graphs 4b-4c, each does not wait Wide antenna cabling 422 respectively by penetrating in spaced buried via hole D1, D2, D3 and D4, again after parallel cabling, pass by organizing separately in buried via hole A1, A2, A3 and A4, connect its load impedance 423 respectively, wherein, each bar does not wait the length of Wide antenna cabling 422 equal.
In conjunction with reference to shown in Fig. 4 d, in a preferred embodiment of the invention, described card reader antenna 4 is provided with power splitter 424 further, and it is connected to radio-frequency joint 420 and each is not etc. between Wide antenna cabling 422.Described power splitter 424 is drawn by radio-frequency joint 420, and does not wait Wide antenna cabling 422 to connect with each, and the input signal of radio-frequency joint 420 to be divided into multiple-channel output, the separated time number of described power splitter 424 is corresponding with the number of antenna cabling 422.In the present embodiment, for one point of four power splitter, the described Wide antenna cabling 422 that do not wait is set to four, and the output of described one point of four power splitter does not wait Wide antenna cabling 422 to connect with four respectively.In the present invention, optional 2-8 bar such as described not Wide antenna cabling such as grade, it is arranged between two radio frequency ground planes 421.In the present embodiment, from top to bottom, first floor is radio frequency ground plane GND1, the second layer is one point of four power splitter 424 routing layer, and third layer is radio frequency ground plane GND2, and the 4th layer is antenna cabling 422 to layer 7, be respectively the 4th layer of 422a, layer 5 422b, layer 6 422c, layer 7 422d: the eight layer is radio frequency ground plane GND3.Altogether, radio-frequency maser center signal line connects buried via hole 425 for the outer rim of radio-frequency joint 420 and radio frequency ground plane GND1, and is connected by power splitter 424 with not waiting Wide antenna cabling 422 line, and wherein, described each bar does not wait Wide antenna cabling 422 non-overlapping copies to connect.
The resistance of each load impedance 423 connected with not waiting Wide antenna cabling 4 is equal, below has the resistance setting requirement that load impedance is described.Shown in Fig. 4 d, the power splitter input bus 424a of described one point of four power splitter is connected with radio-frequency joint by right side buried via hole, and described input bus is divided into four groups of output 424b through quartile, does not wait Wide antenna cabling 422 to be connected accordingly respectively with each.If the characteristic impedance Z of bus
0be 50 ohm, width is Ka, and bus length is 1/8 operation wavelength, the characteristic impedance Zd of each four centimeters of cablings, and width is Kd, and length is 1/4 operation wavelength, and each power splitter exports the characteristic impedance Z of cabling 424c
0, width is Ka, and length is 1/8 operation wavelength.
According to matching principle: the total input impedance of power splitter should be equal with the parallel resistance of each end input impedance, that is: Z
0=Z
in1|| Z
in2|| Z
in3|| Z
in4=50 ohm, because this power divider is quartering power splitter, therefore respectively hold input impedance because of four times of total input impedance, that is: Z
in1=Z
in2=Z
in3=Z
in4=4Z
0=200 Ω; Again due to Z
in1, Z
in2, Z
in3, Z
in4by quarter-wave impedance transformation line and each terminating load impedance Z
a0coupling, the formula according to quarter-wave impedance transformation line can obtain:
Z
in1* Z
a01=(Z
d)
2, Z
in2* Z
a02=(Z
d)
2, Z
in3* Z
a03=(Z
d)
2, Z
in4* Z
a04=(Z
d)
2, wherein
Z
a01=Z
a02=Z
a03=Z
a04=50 Ω, therefore each four centimeters of cabling characteristic impedances of power splitter can be can be calculated be:
Can be calculated according to above, then according to strip line character impedance computation formula:
wherein H is the height between radio frequency ground plane GND1 and radio frequency ground plane GND2, and T is thickness, and W is trace width; When defining PCB height H, and track thickness T, and pcb board material dielectric constant E
r, namely can calculate corresponding live width W according to different characteristic impedance values.According to this formula, getting PCB height H is 2.0mm, and track thickness T is 0.035mm, relative dielectric constant E
rbe taken as 4.5, the characteristic impedance Z of bus can be calculated
0the corresponding live width Ka of=50 Ω is about 0.8mm, and the characteristic of four centimetre circuits is Z
dthe corresponding live width Kd of=100 Ω is about 0.1mm.
At power splitter end, four centimeters of mouths beat buried via hole D1, D2, D3, D4 respectively, respectively with (PCB the 4th layer) antenna cabling 422a, (PCB layer 5) antenna cabling 422b, (PCB layer 6) antenna cabling 422c, (PCB layer 7) antenna cabling 422d is connected; Each antenna routing layer end, then by buried via hole A1, A2, A3, A4, be connected with the load impedance 432 being positioned at PCB bottom respectively, the resistance of each load impedance is Z
l=200 Ω, it is 50 ohm that load impedance namely used can meet the antenna impedance calculating gained total.
Shown in Fig. 5 a-Fig. 5 b, Fig. 5 a is the top view of antenna top layer, and Fig. 5 b is the upward view of antenna bottom, several via holes 426 are arranged at the outer rim of antenna plate, and run through whole antenna plate, and connect radio frequency ground plane 421, and do not wait Wide antenna cabling 422 not to be electrically connected with other.If the access port buried via hole of radio-frequency joint 420 is of a size of a, peripheral headroom is of a size of b, and its size is determined by following theoretical formula: because the capacitance per unit length design formulas of wire is:
wherein ε is dielectric constant; Unit length inductance design formulas is:
design formulas according to characteristic impedance:
calculate desirable a=0.6mm, b=2.6mm.
In the present invention, shown in Fig. 6 a-6d, the arc curve of described antenna meets quadratic function equation: Y=ax
2+ bx+c, described antenna cabling is symmetrical, and wherein, if antenna lower limb is X-axis line, central vertical line is Y-axis line, and namely X is the abscissa of camber line, and Y is the ordinate of camber line.In one embodiment of the invention, get a=0.01, b=0, c=2, then curve meets formula Y=0.01x
2+ 2, can obtain the narrowest width of antenna center line is thus 2mm, and the most wide degree in two ends is 11mm, and total track lengths is about 1/2nd wavelength, gets 60mm.Described each bar does not wait the curve radian of Wide antenna cabling identical, and between different antennae cabling, the level height of adjacent buried via hole reduces successively, effectively avoids buried via hole and other PCB layers to be short-circuited.
With reference to shown in Fig. 7, illustrate that described card reader antenna is in operating frequency range, when reflectance factor is less than 12dB, there is few reflection loss.Illustrate that antenna possesses good impedance matching.With reference to shown in Fig. 8, illustrate apart from antenna different distance space electrical field distribution curve, get the parallel curves apart from antenna different distance, calculate the spatial distribution of its electric-field intensity, heart position is the strongest in antennas for electric-field intensity, positive and negative 40mm, about 8cm scope electric field intensity inside high is the strongest, and the antenna edge electric-field intensity beyond 8cm decays rapidly; Along with parallel lines distance antenna is more and more far away, electric-field intensity decays rapidly, and from 2mm distance to 40mm distance, center position has the decay of nearly 38dB; Illustrate that antenna energy mainly concentrates on long 8cm, within the scope of the cube of wide 4cm, distance 0-40mm, thus effectively define the read range of label.Fig. 9 a-9b is antenna space tangent plane electric-field intensity distribution situation, and represent the electric field intensity value that different colours represents different on the left of this figure, color is darker, and surface field intensity level is more weak.Antenna electric field intensity is important concentrates on the long 8cm of antenna tangent plane, in the spatial dimension of wide 4cm; Thus restriction label effectively can only be read in this planar range.
Shown in Figure 10 a-10b, present invention also offers a kind of insurance control system of intelligent coffer, for the burglary insurance within the scope of certain space, it single channel card reader 201 comprising central processing unit 200 and be attached thereto, multichannel card reader 202, described single channel card reader 201 is connected with gain directional antenna 203, described multichannel card reader 202 is connected with each card reader antenna 4 in intelligent coffer, respectively will by gain directional antenna 203 and card reader antenna 4 obtain label information, transfer to central processing unit 200 through single channel card reader 201 and multichannel card reader 202 to judge.In the present embodiment, described gain directional antenna 203 is installed on doorway place, and what beam position personnel passed in and out office must through region, and its wave beam is directed and high-gain, can read UHF RFID antenna at a distance, effectively prevent skip; Described single channel card reader 201 is electrically connected with gain directional antenna 203, is also installed near doorway, for reading the remote signal that gain directional antenna is fed back, and transmits it to central processing unit 200 and analyzes.Wherein, described multichannel card reader 202 is set to four-way card reader, be connected with four groups of card reader antenna respectively by four-way card reader, be installed in strongbox, for reading the signal that card reader antenna 4 is fed back, described card reader antenna is assemblied on intelligent coffer, itself and the corresponding setting of RFID antenna on the label of each received file, to read the label information that RFID antenna is transmitted, transfer to central processing unit through four-way card reader and carry out analysis judgement.
In a preferred embodiment of the invention, insurance control system also can comprise warn device 204 further, and it is electrically connected with central processing unit 200, and the signal transmitted by single channel card reader 201 and multichannel card reader 202 carries out alarm to the present situation.If when gain directional antenna 203 reads label information, central processing unit 200 is fed back to through single channel card reader 201, after internal logic judges, alarm signal is sent to warn device 204 by it, to drive it to send one-level alarm, to represent that file is carried out in antitheft range intervals.If in the signal that multichannel card reader 202 obtains, when card reader antenna corresponding with the RFID antenna in label not suitable time, then feed back to central processing unit 200, after internal logic judges, alarm signal is sent to warn device 204 by it, secondary alarm prompting is sent, to represent that file is put incorrect to drive it.By different alarm forms, point out the present situation of file to related personnel, to point out people to take measures file to file in time for the present situation, ensure the safety of file in time.
In a preferred embodiment of the invention, insurance control system also can comprise data storage 205 further, it is electrically connected with central processing unit 200, to preserve the label information and reading time that different card reader antenna and gain directional antenna read in real time, described information can be extracted at any time for related personnel to analyze, know that file is by the time of taking out of in theft-proof space.
In a preferred embodiment of the invention, insurance control system also can comprise man-machine interface 206 further, and it is electrically connected with central processing unit 200, and by man-machine interface, related personnel can to whole system monitoring state and setting.
In a preferred embodiment of the invention, insurance control system also can comprise power supply 207 further, it is electrically connected with central processing unit 200, containing one piece of battery in described power supply, in normal power supply situation, system works can be supplied, while be charge in batteries, when power supply is artificially cut off, battery can continue as system works and power.
With reference to shown in Figure 11, present invention also offers a kind of control method insuring control system, it comprises the following steps:
Step 1) opens multichannel card reader and safe interior card reader antenna, if read the label of information match with it, then opens next safe interior card reader antenna in order, reads the label of next file;
Step 2) if current card reader antenna does not read any label information, then open gain directional antenna;
If gain directional antenna reads label information, then start one-level and warn, to point out file stolen, in restarting systems simultaneously of warning, restart to scan label;
If gain directional antenna does not read label information, then this restarts this card reader antenna, re-starts and once reads;
If the label information that the current card reader antenna of step 3) reads is not corresponding with it, then starts warn device and carry out secondary and warn, to point out file non-put correctly; Open next card reader antenna warning simultaneously, continue to read the label of next file;
Step 4) cyclically reads each label information successively.
Wherein, in step 3) and step 4), in whole system scanning process, one-level is warned and is warned with secondary separate, namely can warn simultaneously, also can separate and warn respectively.
In step 1), first, open card reader antenna and multichannel card reader, in order the label of file is read, when the label of the file in first draw-in groove is with relative first card reader antenna Corresponding matching, represent that current file folds up seated position correct, next, open next card reader antenna, if when the label of the file in second draw-in groove and relative second card reader antenna Corresponding matching, represent that current file folds up seated position correct, following continuation is read the label of alternative document folder according to priority, in the present invention, set single card reader antenna reading tag and be set as 200ms cycle time, in the present embodiment, by opening card reader antenna successively, order reads the label of four financial statement files, the information of each file of mark is recorded in each label, by reading each label described, to judge whether current file folder is placed correct, according to the reading result of a upper card reader antenna, carry out sequence starting card reader antenna successively, the signal disturbing between adjacent card reader antenna can be prevented, simultaneously, also can feed back in time the decision process of each file in time, with the placement situation making people can understand each file.
In step 2) in, if arbitrary card reader antenna does not read any label information in current safe interior, then open gain directional antenna, if gain directional antenna reads label information, then feed back to central processing unit by single channel card reader, central processing unit sends one-level alarm signal to warn device, warn device is driven to carry out one-level warning, the file of readable tag is with to pass through in its radiation scope and leave to represent that gain directional antenna scans, then current have file illegally to be taken away and left antitheft region, start one-level to report to the police, warn to remind related personnel and take corresponding measure to carry out preventing or remedying in time, if gain directional antenna does not read label information, then this restarts this card reader antenna, re-starts and once reads, in the present invention, described gain directional antenna reading tag is set as 600ms cycle time,
In step 3), if the label information that current safe interior card reader antenna reads is not corresponding with it, then feed back to central processing unit by multichannel card reader, central processing unit sends secondary alarm signal to warn device, warn device is driven to carry out secondary alarm, to represent current file folder malposition of putting, related personnel is reminded to put correctly by corresponding file correspondence in time, open next strongbox card reader antenna warning simultaneously, continue to read the label of next file;
In whole system scanning process, one-level is warned and is warned with secondary separate, namely can warn simultaneously, also can separate and warn respectively, report to the police to the different situations of file respectively, one-level is warned and is pointed out file stolen, and secondary is warned and pointed out file to put incorrect in strongbox.
Step 4) cyclically reads each label information successively, constantly monitors in real time the situation of file, to reach omnibearing burglary insurance object.
A kind of intelligent coffer of the present invention and adopt its insurance control system and control method to have the following advantages:
(1) have employed the UHF RFID antenna of improvement in described intelligent coffer to realize in-plant data transmission, each card reader antenna, RFID antenna and label are one-to-one relationship, read RFID antenna by card reader antenna correspondence, judge whether putting of file in short range be correct;
(2) by improveing the card reader antenna in strongbox, by 1/2nd long not wide antenna cablings adopting power divider and end to be connected to load impedance, effectively define the radiation scope of card reader antenna, its radiated electric field is decayed rapidly with distance antenna distance, card reader antenna after improvement defines the read range of label, only reading tag information within the specific limits, eliminate as each file arranges shielding box, it also avoid the phenomenon misread between adjacent card reader;
(3) have employed built-in UHF RFID antenna in the label, utilize the characteristic of this antenna, to meet the digital independent of closely card reader, simultaneously, also label information can be read at a distance by gain directional antenna, realize accurate file management in strongbox, and effect antitheft within the specific limits;
(4) by arranging insurance control system, by closely combining with remote theftproof system of strongbox and gain directional antenna, to the management of file with antitheftly carry out unified management, and carry out multi-form alarm according to different situations, with the present situation of assisting related personnel to understand monitoring file in time, if when occurring stolen, also can take measures in time to remedy.
(5) by arranging insurance control method, by file management in strongbox and the antitheft control that combines at a distance, the information of reading tag in certain sequence, confirm that whether the order of putting is correct, when card reader antenna does not read any label information, supporting paper folder is not in draw-in groove, the burglary-resisting system of OnNow gain directional antenna, the region of label is judged by remote theft-proof system, to monitor timely the file illegally taking antitheft region out of, play the effect of remote anti-theft, what prevent vital document from pressing from both sides is stolen.
Claims (10)
1. an intelligent coffer, it comprises casing, draw-in groove and card reader antenna, wherein, draw-in groove is built in casing, for housing file holder, described file is provided with label, described label contains containing RFID antenna and chip, the label of card reader antenna and file is oppositely arranged, transmitted by the data of card reader antenna and RFID antenna, one_to_one corresponding reads and identifies the information recorded in the chip of each label, it is characterized in that: described card reader antenna comprises radio-frequency joint, radio frequency ground plane, some are not waited Wide antenna cabling, several load impedances, wherein, described radio-frequency joint runs through buried via hole and does not wait Wide antenna cabling to be connected with described some, described some are not waited Wide antenna cabling also to run through buried via hole with several load impedances to be connected respectively, described each Wide antenna cabling non-overlapping copies that do not wait connects, the resistance of each load impedance is equal.
2. intelligent coffer according to claim 1, is characterized in that: be provided with power splitter further in described card reader antenna, and it is connected to radio-frequency joint and each is not etc. between Wide antenna cabling.
3. intelligent coffer according to claim 2, is characterized in that: describedly do not wait Wide antenna cabling to be 2-8 bar, and it is arranged between two ground planes, and it is corresponding that number of lines walked by separated time number and the antenna of described power splitter.
4. intelligent coffer according to claim 2, is characterized in that: the arc curve of described antenna meets quadratic function equation: Y=ax
2+ bx+c, wherein, X is the abscissa of camber line, and Y is the ordinate of camber line, and described each bar does not wait the curve radian of Wide antenna cabling identical.
5. intelligent coffer according to claim 4, is characterized in that: the described overall length not waiting Wide antenna cabling is the wavelength of 1/2nd.
6. intelligent coffer according to claim 5, is characterized in that: described RFID antenna is UHF RFID antenna.
7. intelligent coffer according to claim 2, is characterized in that: it is 50 ohm that load impedance used can meet the antenna impedance calculating gained total.
8. the intelligent coffer according to any one of claim 1-7, it is characterized in that: in intelligent coffer, when file extend into after in strongbox, the spacing between described RFID antenna and card reader antenna is 1-4cm, and the spacing between described card reader antenna is more than or equal to 4cm.
9. one kind adopts the insurance control system of the intelligent coffer of claim 1, it is characterized in that: comprise central processing unit and the single channel card reader be attached thereto, multichannel card reader, described single channel card reader is connected with gain directional antenna, described multichannel card reader is connected with each card reader antenna in intelligent coffer, by gain directional antenna and label information that card reader antenna obtains, central processing unit will be transferred to through single channel card reader and multichannel card reader and judges respectively.
10. adopt a control method for the insurance control system of claim 9, it is characterized in that comprising the following steps:
Step 1) open multichannel card reader and safe interior card reader antenna, if read the label of information match with it, then open next safe interior card reader antenna in order, the label of next file is read;
Step 2) if current card reader antenna does not read any label information, then open gain directional antenna;
If gain directional antenna reads label information, then start one-level and warn, to point out file stolen, in restarting systems simultaneously of warning, restart to scan label;
If gain directional antenna does not read label information, then this restarts this card reader antenna, re-starts and once reads;
Step 3) if the label information that reads of current card reader antenna is not corresponding with it, then starts warn device and carry out secondary and warn, to point out file non-put correctly; Open next card reader antenna warning simultaneously, continue to read the label of next file;
Step 4) cyclically read each label information successively;
Wherein, in step 3) and step 4), in whole system scanning process, one-level warn warn with secondary separate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310316817.5A CN103410401B (en) | 2013-07-25 | 2013-07-25 | Intelligent coffer and adopt its insurance control system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310316817.5A CN103410401B (en) | 2013-07-25 | 2013-07-25 | Intelligent coffer and adopt its insurance control system and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103410401A CN103410401A (en) | 2013-11-27 |
| CN103410401B true CN103410401B (en) | 2015-07-29 |
Family
ID=49603436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310316817.5A Expired - Fee Related CN103410401B (en) | 2013-07-25 | 2013-07-25 | Intelligent coffer and adopt its insurance control system and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103410401B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015024223A1 (en) * | 2013-08-21 | 2015-02-26 | Zhang Wei | Intelligent safe box, safe control system and control method using same |
| CN104118239A (en) * | 2014-07-29 | 2014-10-29 | 全峰正 | Intelligent file box |
| CN108665693A (en) * | 2017-03-29 | 2018-10-16 | 北京泛辰信安科技有限公司 | One kind realizing intelligent monitoring electric power terminal device based on double interfaces ESAM modules |
| CN108665694A (en) * | 2017-03-29 | 2018-10-16 | 北京泛辰信安科技有限公司 | A method of electric power terminal device is monitored based on intelligent perception technology |
| CN108665015A (en) * | 2017-03-29 | 2018-10-16 | 北京泛辰信安科技有限公司 | A kind of power equipment intelligent perception system |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008226093A (en) * | 2007-03-15 | 2008-09-25 | Sanden Corp | Adjusting method of rfid tag reader |
| JP2008305354A (en) * | 2007-06-11 | 2008-12-18 | Glory Ltd | Reader/writer controller |
| JP4963686B2 (en) * | 2008-05-28 | 2012-06-27 | Ｎｅｃトーキン株式会社 | RFID antenna device |
| CN101359767B (en) * | 2008-09-16 | 2012-07-25 | 中国电子科技集团公司第七研究所 | Electronic label reading and writing device antenna and a RFID system |
| TW201038809A (en) * | 2009-04-27 | 2010-11-01 | Univ Kun Shan | Method of increasing safety of coffer through utilizing radio frequency identification and communication interface |
| CN201790170U (en) * | 2010-09-16 | 2011-04-13 | 浙江大学宁波理工学院 | Intelligent travel suitcase |
| CN201835672U (en) * | 2010-09-19 | 2011-05-18 | 浙江大学宁波理工学院 | Intelligent safe box based on RFID (radio frequency identification) |
| CN202706777U (en) * | 2012-06-20 | 2013-01-30 | 深圳市利谱信息技术有限公司 | Safety box with RFID (Radio Frequency Identification) recognizer and special folder |
| CN102810769A (en) * | 2012-07-31 | 2012-12-05 | 深圳市远望谷信息技术股份有限公司 | Ultrahigh frequency broadband high-gain antenna |
| CN103020562B (en) * | 2012-12-12 | 2015-07-22 | 深圳市德卡科技有限公司 | Ultrahigh frequency radio frequency identification device (RFID) self-adaptive antenna impedance matching method |
| CN203430281U (en) * | 2013-07-25 | 2014-02-12 | 章伟 | Intelligent safe and safe control system adopting intelligent safe |
-
2013
- 2013-07-25 CN CN201310316817.5A patent/CN103410401B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103410401A (en) | 2013-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103410401B (en) | Intelligent coffer and adopt its insurance control system and control method | |
| EP3196808B1 (en) | Contactless information communication terminal unit, card-type device, portable telephone, and wearable device | |
| CN101099266B (en) | Tag device, antenna and portable card | |
| WO2015024223A1 (en) | Intelligent safe box, safe control system and control method using same | |
| CN101809594A (en) | Extended RFID tag | |
| KR101528632B1 (en) | Dual-band active RFID systems for the smart management | |
| CN203430281U (en) | Intelligent safe and safe control system adopting intelligent safe | |
| CN104050499B (en) | High-frequency radio frequency identification label | |
| CN108232418A (en) | Antenna | |
| CN101593266A (en) | Container and radio tag reading system | |
| CN203914000U (en) | Smart profile cabinet and archive management system | |
| CN101459273B (en) | Antenna construction for wireless RFID inquiry answer device and manufacturing process thereof | |
| CN201984510U (en) | Novel UHF-RFID metal resistant label of which size can be reduced and antenna | |
| CN111145553A (en) | Vehicle identification system | |
| CN102163299A (en) | Electronic tag for motor vehicle inspection qualified mark | |
| CN102750569B (en) | RFID label tag, rfid system and the illumination detection method of a kind of band light-sensitive unit | |
| CN102073312B (en) | Vehicle quality certificate remote monitoring system | |
| CN101695926A (en) | Intelligent track-traffic security early-warning system | |
| WO2003043101A2 (en) | Film battery for portable data carriers having an antenna function | |
| CN214410045U (en) | Anti-counterfeit electronic tag based on block chain technology | |
| CN201359732Y (en) | Code reader for identity card based on RFID technology | |
| CN217008231U (en) | Floor mat registering device | |
| CN106953174B (en) | Misreading prevention antenna | |
| CN102041945B (en) | Method for improving safety and monitoring efficiency of financial warehouse | |
| CN111243282A (en) | Vehicle identification system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170315 Address after: 316000 room A413, No. 157 Xing Xing Road, Dinghai District, Zhejiang, Zhoushan Patentee after: Zhoushan Maxwell Technology Co., Ltd Address before: 518048 Futian District, Guangdong, Xinzhou three street honey Park B building, the building of the second floor,, 501 Patentee before: Zhang Wei |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20190725 |