CN206098738U - A improved generation antenna device for electron commodity anti -theft system - Google Patents
A improved generation antenna device for electron commodity anti -theft system Download PDFInfo
- Publication number
- CN206098738U CN206098738U CN201621015871.1U CN201621015871U CN206098738U CN 206098738 U CN206098738 U CN 206098738U CN 201621015871 U CN201621015871 U CN 201621015871U CN 206098738 U CN206098738 U CN 206098738U
- Authority
- CN
- China
- Prior art keywords
- antenna
- eas system
- modified
- loop
- assembly
- 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.)
- Active
Links
Abstract
The utility model discloses an improved generation antenna device for electron commodity anti -theft system, including at least a set of antenna, and be used for the drive the control circuit of antenna, every group the antenna comprises with superimposed mode independent wire -wound first antenna, second antenna and third antenna, first antenna comprises a belt coil, second antenna, third antenna are established ties by upper and lower two rings shape coil and are constituted, the direction of winding electromagnetic field in order to produce opposite direction on the contrary of two upper and lower coils, second antenna and third antenna superpose respectively at the obverse and reverse of first antenna. The utility model is used for the produced energy distribution of electron commodity anti -theft system's antenna device is regional even, has reduced detection blind area greatly, has avoided the system to fail to report and misrepresent deliberately the phenomenon, has improved the reliability and the accuracy that detect.
Description
Technical field
The utility model is related to eas system technical field, specifically related to a kind of to be used for electronic article surveillance system
The modified antenna assembly of system.
Background technology
Eas system (Electronic Aricle Surveillance, abbreviation EAS), is large-scale by zero at present
Sell one of widely used commercial articles safety measure of industry.Come out in the U.S. for mid-term in nineteen sixty, be initially applied to apparel industry,
Present more than 80, expanded whole world countries and regions, application also extends to general merchandise, supermarket, books various industries, especially
It is sufficiently developed in the application of large supermarket (storage).
The configuration and operation of antenna assembly is served very to the reliability and validity that guarantee eas system
Crucial effect.But at present the antenna assembly used in existing eas system has Energy distribution region not
Uniform phenomenon, makes eas system have certain check frequency, so as to occur that system is failed to report and reported by mistake often
Phenomenon.
Utility model content
For drawbacks described above, the utility model provides a kind of modified antenna assembly for eas system,
To solve the antenna assembly used in traditional eas system, to there is Energy distribution region uneven, makes electronics business
Product burglary-resisting system has certain check frequency, so as to occur that the technical problem of phenomenon is failed to report and reported by mistake to system often.
To reach above-mentioned purpose, embodiment of the present utility model is adopted the following technical scheme that：
A kind of modified antenna assembly for eas system, including least one set antenna, and for driving
The control circuit of the antenna is moved, per group of antenna is by the first antenna of independent coiling, the second antenna and third antenna with folded
Plus mode constitute, the first antenna is made up of a loop line, and second antenna, third antenna are by upper and lower two
Individual loop coil is in series, and the direction of winding of described upper and lower two coils is on the contrary producing electromagnetic field in opposite direction, institute
State the second antenna and third antenna is superimposed upon respectively the obverse and reverse of first antenna.
According to one side of the present utility model, per group of antenna is respectively equipped with the access signal at three group of two end, and divides
Do not connect into loop with the control circuit to be input into and exported.
According to one side of the present utility model, the first antenna is used for the reception and transmitting of data signal.
According to one side of the present utility model, second antenna and third antenna are used for the reception of data signal.
According to one side of the present utility model, sub-thread of the first antenna using sectional area more than 0.5 square millimeter
Or stranded conductor is coiled into coil, the coiling number of turns of coil is enclosed in 6-10, and the inductance value of coiling is 160-200uH.
According to one side of the present utility model, upper and lower two loop lines in second antenna or third antenna
At grade, and respectively the sub-thread or stranded conductor using sectional area for 0.15-0.35 square millimeters is coiled into coil.
According to one side of the present utility model, the upper toroidal lower edge position in second antenna or third antenna
In the top of the upper limb of lower loop line.
According to one side of the present utility model, the lower edge position of the upper loop line in second antenna or third antenna
Same level height is located at the upper limb of lower loop line.
According to one side of the present utility model, the lower edge position of the upper loop line in second antenna or third antenna
The lower section of toroidal upper limb under.
The advantage that the utility model is implemented：
Technical characteristic as a result of more than so that the utility model have the following advantages that compared to prior art and
Good effect：The utility model is used for the Energy distribution region produced by the antenna assembly of eas system uniformly, greatly
Check frequency is reduced greatly, it is to avoid phenomenon is failed to report and misrepresented deliberately to system, improves the reliability and accuracy of detection.Using
Two antennas and third antenna are superimposed upon respectively the symmetrical structure form on the positive and negative two sides of first antenna, and signal receives distance more
Uniformly, the reliability and accuracy of detecting distance detection are improve.
Description of the drawings
Technical scheme in order to be illustrated more clearly that the utility model embodiment, below will be to making needed for embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings acquisitions
Other accompanying drawings.
Fig. 1 is the structural representation of the first antenna, the second antenna and third antenna placed respectively.
Fig. 2 is the structural representation for overlapping the first antenna, the second antenna and third antenna placed.
Fig. 3 is the side view of Fig. 2.
Fig. 4 is the attachment structure schematic diagram of antenna and control circuit.
Fig. 5 is the structural representation of the first embodiment of the second antenna and third antenna.
Fig. 6 is the structural representation of second embodiment of the second antenna and third antenna.
Fig. 7 is the structural representation of the third embodiment of the second antenna and third antenna.
Fig. 8 is the signal waveforms of antenna assembly.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
A kind of antenna assembly for eas system of the present utility model, including least one set antenna, and
For driving the control circuit of antenna.
With reference to Fig. 1, every group of antenna is by first antenna A, the second antenna B, the third antenna C of independent coiling in the way of being superimposed
Constitute.First antenna A is made up of a loop coil.Second antenna B is in series by upper and lower two loop coils D1, E1,
The direction of winding of upper and lower two coils D1, E1 is on the contrary producing electromagnetic field in opposite direction.Third antenna C and the second antenna B is tied
Structure is identical, in series by upper and lower two loop coils D2, E2, and the direction of winding of upper and lower two coils D2, E2 is on the contrary with product
Life electromagnetic field in opposite direction.
Referring to figs. 2 and 3 first antenna A, the second antenna B, the stacked system of third antenna C are：First antenna A is in
Between, stacked on second antenna B, third antenna C are distinguished in both sides.In order to stepped construction is more clearly shown in Fig. 3, by first antenna
A, the second antenna B, third antenna C distance dividually farther out, first antenna A, the second antenna B, third antenna C in practical structures
Will be closer to during superposition.
With reference to Fig. 4, every group of antenna is respectively equipped with the access signal at three group of two end, and with control circuit connects into loop respectively
To be input into and be exported.Wherein, the coil of first antenna A and CBB high-voltage capacitances composition series resonant circuit, its resonance frequency
Rate is 58KHz, to carry out reception, the transmitting of data signal；Second antenna B, third antenna C are used to the reception of data signal.
The one or more groups of channels of control circuit output, every group of channel forms an independent detector unit, and every group of channel includes three solely
The loop of vertical electric signal, wherein the loop F being connected with first antenna A, completes the transmitting of pulse signal and receive work；
The loop G being connected with the second antenna B, completes the reception work of pulse signal；The loop H being connected with third antenna C, it is also complete
Into the reception work of pulse signal.
Can arrange one group of antenna, two groups of antennas or multigroup antenna according to the size and number of gateway in practical application is carried out
Detection.Every group of antenna forms a monitored area, when every group of antenna starts to detect work, first launches electromagnetic wave, then receives, and connects
The signal of receipts is sent to control circuit process, thus every group of antenna becomes a channel.
Sub-thread or stranded conductor of first antenna A using sectional area more than 0.5 square millimeter is around finger coil, the coiling of coil
The number of turns is enclosed in 6-10, and the inductance value of coiling is 160-200uH.Upper and lower two loop coils D1, E1 in second antenna B
At grade, upper and lower two loop coils D2, the E2 in third antenna B at grade, and respectively use sectional area
Sub-thread or stranded conductor coiling for 0.15-0.35 square millimeters.Wire is enamel covered wire or copper-clad aluminum conductor or silver-plated copper
Line.
With reference to Fig. 5-7, the second antenna B and the second antenna C has three kinds of forms of implementation：In second antenna B or the second antenna C
Upper loop coil D1 (or D2) lower edge be located at lower loop coil E1 (or E2) upper limb top；Or the second antenna B
Or second the lower edge of the upper loop coil D1 (or D2) in antenna C be located at same level with the upper limb of lower loop coil E1 (or E2)
Highly；Can also be that the lower edge of upper loop coil D1 (or D2) in the second antenna B or the second antenna C is located at lower loop coil E1
The lower section of the upper limb of (or E2).
Fig. 8 is the signal waveforms of antenna assembly, it may be seen that the second antenna B and third antenna C are superimposed upon respectively
The symmetrical structure form on the positive and negative two sides of one antenna A, the Energy distribution region by produced by antenna assembly is uniform, and signal is received
Distance is uniform, substantially reduces check frequency, improves the reliability and accuracy of detection.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any those skilled in the art disclosed in the utility model in technical scope, the change that can be readily occurred in
Change or replace, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with described
Scope of the claims is defined.
Claims (9)
1. a kind of modified antenna assembly for eas system, including least one set antenna, and for driving
The control circuit of the antenna, it is characterised in that first antenna, second antenna and threeth of per group of antenna by independent coiling
Antenna is constituted in the way of being superimposed, and the first antenna is made up of a loop line, second antenna, third antenna by
Upper and lower two loop coils are in series, and the direction of winding of described upper and lower two coils is on the contrary producing electricity in opposite direction
Magnetic field, second antenna and third antenna are superimposed upon respectively the obverse and reverse of first antenna.
2. the modified antenna assembly for eas system according to claim 1, it is characterised in that：Per group
The antenna is respectively equipped with the access signal at three group of two end, and with the control circuit connect into loop respectively with carry out input and
Output.
3. the modified antenna assembly for eas system according to claim 1, it is characterised in that：It is described
First antenna is used for the reception and transmitting of data signal.
4. the modified antenna assembly for eas system according to claim 1, it is characterised in that：It is described
Second antenna and third antenna are used for the reception of data signal.
5. the modified antenna assembly for eas system according to claim 1, it is characterised in that：It is described
Sub-thread or stranded conductor of the first antenna using sectional area more than 0.5 square millimeter is coiled into coil, and the coiling number of turns of coil is in 6-
10 circles, the inductance value of coiling is 160-200uH.
6. the modified antenna assembly for eas system according to claim 1, it is characterised in that：It is described
Upper and lower two loop lines in second antenna or third antenna at grade, and use respectively sectional area to be 0.15-
0.35 square millimeter of sub-thread or stranded conductor are coiled into coil.
7. the modified antenna assembly for eas system according to any one of claim 1～6, it is special
Levy and be：Upper toroidal lower edge in second antenna or third antenna is located at the top of the upper limb of lower loop line.
8. the modified antenna assembly for eas system according to any one of claim 1～6, it is special
Levy and be：The lower edge position of the upper loop line in second antenna or third antenna is located at same with the upper limb of lower loop line
Level height.
9. the modified antenna assembly for eas system according to any one of claim 1～6, it is special
Levy and be：The lower edge of the upper loop line in second antenna or third antenna is located at down the lower section of toroidal upper limb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621015871.1U CN206098738U (en) | 2016-08-30 | 2016-08-30 | A improved generation antenna device for electron commodity anti -theft system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621015871.1U CN206098738U (en) | 2016-08-30 | 2016-08-30 | A improved generation antenna device for electron commodity anti -theft system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206098738U true CN206098738U (en) | 2017-04-12 |
Family
ID=58477776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621015871.1U Active CN206098738U (en) | 2016-08-30 | 2016-08-30 | A improved generation antenna device for electron commodity anti -theft system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206098738U (en) |
-
2016
- 2016-08-30 CN CN201621015871.1U patent/CN206098738U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5912622A (en) | Anti-theft tag | |
| US4413254A (en) | Combined radio and magnetic energy responsive surveillance marker and system | |
| CN103053076A (en) | Combination radio frequency identification and electronic article surveillance antenna system | |
| CN203386227U (en) | High-sensitivity ultrahigh-frequency radiofrequency identification (RFID) electronic tag for traffic industry | |
| CN206878171U (en) | A kind of near-field communication aerial and mobile terminal of one side cabling | |
| US20120018505A1 (en) | Tag having dipole-loop antenna | |
| CN103021624B (en) | Acoustic-magnetic label demagnetizer and demagnetization method | |
| CN106571696A (en) | Wireless charging system, charging transmitting device, charging receiving device and automobile | |
| CN2833823Y (en) | Soft tag degaussing apparatus for electronic anti-theft system for commodities | |
| CN206098738U (en) | A improved generation antenna device for electron commodity anti -theft system | |
| CN1792032B (en) | LC resonant circuit with amplification device | |
| CN207134877U (en) | A kind of foreign substance detection system, transmitting set and wireless power supply system | |
| CN202189897U (en) | Antenna apparatus used for electronic antitheft system for goods | |
| CN203798967U (en) | Detection impedance unit of long-distance high-voltage cable partial discharging and fault positioning | |
| CN105372622A (en) | Intelligent positioning floor | |
| TW201724656A (en) | Metal resistant flexible radio frequency identification tag achieves well reading sensitivity and obtains long distance reading effect | |
| CN104573785A (en) | Anti-theft electronic soft label | |
| CN105048060A (en) | Anti-interference antenna for radio frequency identification (RFID) tag reader | |
| CN214427953U (en) | Subminiature double-bending flexible anti-metal RFID (radio frequency identification) tag | |
| CN202940325U (en) | Inductively coupled feed bending passive electronic tag antenna | |
| EP1770666B1 (en) | Improved distributed capacitance resonant tag | |
| CN204029092U (en) | A kind of EAS anti-theft tag | |
| CN106549210A (en) | The insensitive double-deck Chip-free label antenna of a kind of high power capacity and metal | |
| CN208954131U (en) | A kind of electronic tag | |
| CN208478149U (en) | A kind of high-strength capacitor metalized film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |