CN207489066U - The many types of antenna arrangement of RFID vending systems - Google Patents
The many types of antenna arrangement of RFID vending systems Download PDFInfo
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- CN207489066U CN207489066U CN201720979703.2U CN201720979703U CN207489066U CN 207489066 U CN207489066 U CN 207489066U CN 201720979703 U CN201720979703 U CN 201720979703U CN 207489066 U CN207489066 U CN 207489066U
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- shelf
- microstrip
- fed point
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Abstract
The utility model discloses a kind of many types of antenna arrangement of RFID vending systems, particularly a kind of many types of antenna arrangement of RFID vending systems for being related to electronic communication technology field.The many types of antenna arrangement of RFID vending systems of the utility model, including cabinet, shield door, shelf, also double-fed point is the same as microstrip and whiplike omnidirectional antenna, double-fed point is mounted on the roof of cabinet and the lower part of shelf with microstrip, and double-fed point is face-down with the radiation of microstrip, adjacent double-fed point between two layers of shelf up and down is 44.5 ° to 45.5 ° with microstrip setting angle deviation range, the whiplike omnidirectional antenna, mounted on shelf close to one end of shield door.The utility model, the comprehensive arrangement method of use can realize effective covering of signal, and ensure that overlay area signal strength is met the requirements, and overall signal uniformity be improved, so as to improve the recognition success rate of RFID system.
Description
Technical field
The utility model is related to a kind of many types of antenna arrangement of RFID vending systems, particularly one kind is related to telecommunications
The many types of antenna arrangement of RFID vending systems of technical field.
Background technology
RFID, that is, Radio Frequency Identification Technology, is commonly called as electronic tag.RFID radio frequency identifications are a kind of contactless automatic identifications
Technology, it activates the chip in electronic tag by radio-frequency signal, and chip returns to radio-frequency signal, realizes automatic
Identification target object simultaneously obtains related data.RFID technique can recognize that high-speed moving object can simultaneously identify multiple labels simultaneously, behaviour
Make efficient and convenient.
Self-help vending machine is the commonly used equipment of business automation, it is not limited by time, place, can save manpower, side
Just it merchandises, is referred to as the micro supermarket of 24 HOUR ACCESS.Domestic automatic vending machine uses more and more common at present, wide
It is general to be used in the places such as station, subway station, office building.
The combination of RFID Radio Frequency Identification Technology and Self-help vending machine can realize that the automatic of commodity is made an inventory and Automatic-settlement, very
Greatly improve Self-help vending machine sells efficiency.
But currently used RFID identification system is mostly using orientation circular polarized antenna or whiplike omnidirectional antenna.Work as chance
During to liquid substance, since liquid is to the absorption of ultra-high frequency wireless electric signal so that under the discrimination of RFID system is apparent
Drop.RFID self-service selling system is limited to sell liquid commodity.
Therefore, how to overcome the drawbacks described above of existing intelligent sales counter, be that those skilled in the art need the technology solved
Problem.
Utility model content
The utility model provides one kind and is reasonably distributed, and can effectively cover vending system interior product placement region, carry
Height sets many types of antenna arrangement of RFID vending systems of RFID system discrimination.
The utility model many types of antenna arrangement of used RFID vending systems in order to solve the above problem, including cabinet
Body, shield door and shelf, the shield door are mounted on cabinet, and the shelf is vertically stratified and set on cabinet
In vivo, double-fed point is further included with microstrip and whiplike omnidirectional antenna, and the double-fed point is mounted on cabinet with microstrip
Top plate inner wall and shelf lower part, and double-fed point is face-down with the radiation of microstrip, described adjacent two layers up and down
Double-fed point between shelf is 44.5 ° to 45.5 ° with microstrip setting angle deviation range, the whiplike omnidirectional antennas
Line, mounted on shelf close to one end of shield door.
Further, two same microstrips of double-fed point, two double-feds are provided on the top plate inner wall of the cabinet
Point is with ranging from 44.5 ° to 45.5 ° of the centerlines of microstrip, and two double-fed points are the same as the centre-to-centre spacing model of microstrip
Enclose for 34.5cm to 35.5cm, two double-feds point with microstrip radiating surface downward.
Further, the spacing between adjacent two layers of shelf up and down is not less than 30cm.
Further, the double-fed point is mounted on shelf lower part with microstrip by screw.
The beneficial effects of the utility model are：The present invention is using double-fed point with microstrip as primary signal antenna, acquisition
The information of most of electronic tags, and the mode successively installed downwards from top plate inner wall is arranged, and enables its aerial signal
It is enough successively to cover, it is preferably covered, while leaned in shelf even if cabinet vertical direction is larger-size
One end of close shield door sets whiplike omnidirectional antenna as auxiliary signal antenna, since its signal radiation mode has omnidirectional spy
Property, therefore shelf top double-fed point can be strengthened with the weaker region of microstrip signal.Adjacent two layer commodities up and down are put
Double-fed point between frame can make full use of the type aerial signal strong with the microstrip certain angle that is staggered, and directional characteristic is good
The advantages of, avoid regional area overflow in cabinet, and the situation that other regional signals are weaker.Using aforementioned comprehensive arrangement
Mode can realize effective covering of signal, and ensure that overlay area signal strength is met the requirements, and improve overall signal uniformity,
So as to improve the recognition success rate of RFID system.
Description of the drawings
Fig. 1 is the shelf antenna arrangement figure of the first angle；
Fig. 2 is the shelf antenna arrangement figure of second of angle；
Fig. 3 is cabinet top antenna layout；
Fig. 4 is cabinet internal antenna layout；
Parts, position and number in figure：Shelf 1, double-fed point are the same as microstrip 2, whiplike omnidirectional antenna 3, top
Plate inner wall 4, shield door 5.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
The many types of antenna arrangement of RFID vending systems as shown in Figure 1, Figure 2, Figure 3 and Figure 4, including cabinet, shield door
5 and shelf 1, the shield door 5 is mounted on cabinet, and the shelf 1 is vertically stratified and set in cabinet,
Double-fed point is further included with microstrip 2 and whiplike omnidirectional antenna 3, the double-fed point is mounted on cabinet with microstrip 2
The lower part of top plate inner wall 4 and shelf 1, and double-fed point is face-down with the radiation of microstrip 2, described adjacent two layers up and down
Double-fed point between shelf 1 is 44.5 ° to 45.5 ° with 2 setting angle deviation range of microstrip, the whiplike omnidirectional
Antenna 3, mounted on shelf 1 close to one end of shield door 5.RFID vending systems when in use, put by the commodity of automatic vending
It puts on each layer commodity shelf 1, electronic tag is posted on commodity.Since double-fed point is strong with aerial signal with microstrip 2
The characteristics of degree is big, and radiation length is remote, and directional characteristic is good, and angle of radiation is small, the present invention obtain most as primary signal antenna
The information of number electronic tags, and the mode successively installed downwards from top plate inner wall 4 is arranged, enable its aerial signal by
Layer covering, preferably covers, while close in shelf 1 even if cabinet vertical direction is larger-size
One end of shield door 5 sets whiplike omnidirectional antenna 3 to be used as auxiliary signal antenna, since its signal radiation mode has omnidirectional spy
Property, therefore 1 top double-fed point of shelf can be strengthened with the weaker region of 2 signal of microstrip.Adjacent two layer commodities up and down
Double-fed point between shelf 1 can make full use of the type aerial signal strong with the certain angle that is staggered of microstrip 2, and orientation is special
The advantages of property is good, avoids regional area overflow in cabinet, and the situation that other regional signals are weaker.Using aforementioned synthesis
Arrangement can realize effective covering of signal, and ensure that overlay area signal strength is met the requirements, and it is equal to improve overall signal
Even property, so as to improve the recognition success rate of RFID system.
Two double-fed points are provided on the top plate inner wall 4 of the cabinet with microstrip 2, two same shaped microstrips of double-fed point
Ranging from 44.5 ° to 45.5 ° of the centerlines of antenna 2, two double-fed points with microstrip 2 centre-to-centre spacing ranging from
34.5cm to 35.5cm, two double-feds point with microstrip 2 radiating surface downward.Due to cabinet top plate inner wall 4 with
Upper bit will not place the commodity sold, therefore whiplike omnidirectional antenna 3 is not provided in 4 position of top plate inner wall, but set two
It covers downwards and the double-fed for the certain angle that is staggered point is with microstrip 2, and simultaneously to two double-fed points with microstrip 2
Centre-to-centre spacing is adjusted, and is that this forms to top plate inner wall 4 to 1 space of lower section shelf double-fed point with microstrip 2
Effectively covering.
Spacing between adjacent two layers of shelf 1 up and down is not less than 30cm.Aerial signal attenuation shape in order to prevent
Into signal is weaker or the region of no signal covering, spacing of the application between upper and lower two layers of shelf 1 optimize,
It is made to be not less than 30cm.
The double-fed point is mounted on 1 lower part of shelf with microstrip 2 by screw.It can be utilized during specific implementation
Screw installs double-fed point with microstrip 2, it is ensured that the accuracy of fastness and the antenna positioning of installation.
Claims (4)
- The many types of antenna arrangement of 1.RFID vending systems, including cabinet, shield door (5) and shelf (1), the shield door (5) on cabinet, the shelf (1) is vertically stratified and set in cabinet, it is characterised in that：It further includes double The same microstrip of feed point (2) and whiplike omnidirectional antenna (3), the same microstrip of the double-fed point (2) is mounted on the top of cabinet The lower part of plate inner wall (4) and shelf (1), and the radiation of the same microstrip of double-fed point (2) is face-down, adjacent two layers up and down Double-fed point same microstrip (2) setting angle deviation range between shelf (1) is 44.5 ° to 45.5 °, described whiplike Omnidirectional antenna (3) is mounted on shelf (1) close to one end of shield door (5).
- 2. many types of antenna arrangement of RFID vending systems as described in claim 1, it is characterised in that：The top plate of the cabinet Two same microstrips of double-fed point (2), the center wire clamp of two same microstrips of double-fed point (2) are provided on inner wall (4) Angular region is 44.5 ° to 45.5 °, the centre-to-centre spacing ranging from 34.5cm to 35.5cm of two same microstrips of double-fed point (2), institute State the radiating surface of two same microstrips of double-fed point (2) downward.
- 3. many types of antenna arrangement of RFID vending systems as described in claim 1, it is characterised in that：Described adjacent upper and lower two Spacing between layer commodity shelf (1) is not less than 30cm.
- 4. many types of antenna arrangement of RFID vending systems as described in claim 1, it is characterised in that：The double-fed point similar shape Microstrip antenna (2) is mounted on shelf (1) lower part by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720979703.2U CN207489066U (en) | 2017-08-07 | 2017-08-07 | The many types of antenna arrangement of RFID vending systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720979703.2U CN207489066U (en) | 2017-08-07 | 2017-08-07 | The many types of antenna arrangement of RFID vending systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207489066U true CN207489066U (en) | 2018-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720979703.2U Active CN207489066U (en) | 2017-08-07 | 2017-08-07 | The many types of antenna arrangement of RFID vending systems |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021097834A1 (en) * | 2019-11-22 | 2021-05-27 | 连云港伍江数码科技有限公司 | Storage device, antenna scanning control method, and freezer system |
-
2017
- 2017-08-07 CN CN201720979703.2U patent/CN207489066U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021097834A1 (en) * | 2019-11-22 | 2021-05-27 | 连云港伍江数码科技有限公司 | Storage device, antenna scanning control method, and freezer system |
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| GR01 | Patent grant |