CN102956048A - Electronic detection gate - Google Patents
Electronic detection gate Download PDFInfo
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- CN102956048A CN102956048A CN2011102389557A CN201110238955A CN102956048A CN 102956048 A CN102956048 A CN 102956048A CN 2011102389557 A CN2011102389557 A CN 2011102389557A CN 201110238955 A CN201110238955 A CN 201110238955A CN 102956048 A CN102956048 A CN 102956048A
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- electrons
- detection
- door
- gyration
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Abstract
The invention relates to an electronic detection gate comprising a first side, a second side, a rotation angle adjusting device, a directional antenna, and a shielding surface. The directional antenna is fixedly arranged on the rotation angle adjusting device and is pointed at the first side. The directional antenna has a reading range. The shielding surface is arranged at the second side and is used for shielding the reading range. The rotation angle adjusting device is used for adjusting the reading range. The electronic detection gate provided by the invention assists in overcoming a prior art defect of falsely triggered alarm caused by an electronic-tag-carrying article close to the surrounding of the electronic detection gate and read by the detection gate even if the article did not pass the electronic detection gate. The electronic detection gate also has the advantage of long-distance reading range and adjustable reading range.
Description
Technical field
The present invention is relevant for a kind of detection of electrons door.In more detail, the present invention is relevant for a kind of detection of electrons door of capable of regulating read range.
Background technology
Along with the development of radio frequency identification (Radio Frequency Identification, RFID) technology reaches its maturity, the application of various RFID technology is also more and more universal; Because that the RFID technology has is wireless, fast and read in a large number advantage with identification, use the detection of electrons door of RFID technology to be subject to gradually the favor of businessman and enterprises, be widely used in antitheft, warehousing management and checkout system etc.
Generally speaking, use the detection of electrons door of RFID technology mostly to adopt near-field communication (Near Field Communication, the NFC) antenna of 13.56MHz, it has communication distance and is subject to shortcoming in 20 centimeters; Therefore, for the width on doorway, general shop, plural induction gate usually must be set, contain wider read range, thus, will cause the lifting of cost and the inconvenience of turnover.On the other hand, general detection of electrons door is uncontrollable and adjust the read range of its antenna; Therefore, when the article that are loaded with an electronic tag near around the detection of electrons door time, even by the detection of electrons door, also can be detected and read, cause the false touch alarm, cause the inconvenience in the practical application.
In sum, how to provide a kind of remote detectability that has, and the detection of electrons door of energy accurate adjustment and control read range, the real problem of needing solution for the operator in this field badly.
Summary of the invention
A purpose of the present invention is to provide a kind of detection of electrons door.This detection of electrons door has one first side and one second side, and comprises a gyration adjuster, a directing antenna and a ground plane.This directing antenna is fixedly arranged on this gyration adjuster and points to this first side, and has a read range; This ground plane is arranged at this second side, in order to shield this read range; Wherein, this gyration adjuster is in order to adjust this read range.
This directing antenna operation is in a ultra-high frequency band.
This gyration adjuster with an angle so that this directing antenna is according to this read range of this angular setting.
This gyration adjuster is fixedly arranged on this second side.
This ground plane is a metal covering.
This directing antenna is in order to receive a label information, and this reading device and this directing antenna are electrically connected, in order to produce a sentence read result according to this label information.
This detection of electrons door also comprises a caution unit, is electrically connected with this reading device, and this reading device is also in order to drive this caution unit according to this sentence read result.Detection of electrons door of the present invention is by being fixedly arranged on the gyration adjuster with the directing antenna, and in directing antenna rear ground plane is set; Thus, can adjust by the gyration adjuster pointing direction and the read range of antenna, shield simultaneously the read range of directing antenna by ground plane.Whereby, the present invention can overcome in the prior art, when the article that are loaded with an electronic tag near around the detection of electrons door time, even not by the detection of electrons door, also can be detected and read, cause the shortcoming of false touch alarm, have simultaneously long apart from read range and the adjustable advantage of read range.
Description of drawings
Figure 1A-1B is the synoptic diagram of first embodiment of the invention;
Fig. 2 is the vertical view of first embodiment of the invention; And
Fig. 3 is the read range synoptic diagram of first embodiment of the invention.
Wherein:
1 detection of electrons door
1a the first side
1b the second side
11 alarming devices
13 gyration adjusters
15 directing antennas
150 read ranges
16 transmission lines
17 reading devices
19 ground planes
3 detection of electrons doors
33 gyration adjusters
35 directing antennas
350 read ranges
Embodiment
Below will explain content of the present invention by embodiment, embodiments of the invention are not to limit the present invention must can implement such as the described any specific environment of embodiment, application or particular form.Therefore, only be explaination purpose of the present invention about the explanation of embodiment, but not in order to limit the present invention.It should be noted that, in following examples and the accompanying drawing, omit and do not illustrate with the non-directly related element of the present invention, and in the accompanying drawing each interelement size relationship only for asking easy understanding, non-in order to limit actual ratio.
The first embodiment of the present invention is a detection of electrons door 1, and its synoptic diagram is depicted in Figure 1A-1B.Detection of electrons door 1 has one first side 1a and one second side 1b, and comprises an alarming device 11, a gyration adjuster 13, a directing antenna 15, a reading device 17 and a ground plane 19.Wherein, the first side 1a and one second side 1b are and the parallel plane side of yz; Alarming device 11 is arranged at the top of detection of electrons door 1, and is electrically connected by a transmission line (not illustrating among the figure) and reading device 17; Gyration adjuster 13 is fixedly arranged in the second side 1b of detection of electrons door 1; Directing antenna 15 is fixedly arranged in gyration adjuster 13, and is electrically connected by transmission line 16 and reading device 17; Reading device 17 is arranged at the bottom of detection of electrons door 1; 19 of ground planes are arranged at the second side 1b.
Directing antenna 15 operates in ultrahigh frequency (Ultra High Frequency, UHF) frequency range, and have a radiation pattern and a read range, this radiation pattern has a directive property (directivity) and points to the first side 1a, and this read range then determines according to the radiation scope of directing antenna 15.Directing antenna 15 can be planographic formula antenna or other any type of antenna, and visual demand arranges several directing antennas 15 in detection of electrons door 1, and the enforcement pattern with antenna does not limit the scope of the invention.
Generally speaking, its read range can't be adjusted and control to existing detection of electrons door, causes inconvenience and erroneous judgement in the use.Accordingly, detection of electrons door 1 of the present invention more comprises gyration adjuster 13, sees also Fig. 2, and it is the vertical view of detection of electrons door 1.Gyration adjuster 13 is in order to provide a gyration θ, can make the directing antenna 15 that is fixedly arranged on gyration adjuster 13 can turn to the θ angle.
Owing to the design according to antenna of the radiation pattern of directing antenna 15 and pointing direction determines; Therefore, then antenna must be redesigned if will change radiation pattern and the pointing direction of antenna, thus, degree of difficulty and the cost of Antenna Design will be increased.Accordingly, the present invention provides a gyration θ by gyration adjuster 13, makes directing antenna 15 turn to the θ angle, and then can change the pointing direction of directing antenna 15, to adjust the read range of directing antenna 15.Wherein, the scope of θ is between 10 degree are spent to 40, but not as limit.If detection of electrons door 1 is provided with several directing antennas 15, the gyration θ that the gyration adjuster 13 of each directing antenna 15 provides can be different angles.
On the other hand, because the radiation of antenna has edge effect (fringing effect), therefore, the radiation scope that is arranged at the antenna in the detection of electrons door often can reach in detection of electrons square behind the door.In order to improve this effect, detection of electrons door 1 of the present invention more comprises a ground plane 19, be arranged at the second side 1b at directing antenna 15 rears, wherein, the metal covering of ground plane 19 for making with metal material, the read range of directing antenna 15 utilize the shielding effect (shielding effect) of metal to shield the radiation scope of directing antenna 15, so that can not reach in the zone at detection of electrons door 1 rear.
Illustrate then how detection of electrons door of the present invention operates.See also Fig. 3, it is the synoptic diagram of detection of electrons door read range.When practical application, detection of electrons door 1 and a detection of electrons door 3 can be set in the both sides of a gateway, wherein, detection of electrons door 3 comprises a gyration adjuster 33, a directing antenna 35 and a ground plane identical with detection of electrons door 1, and directing antenna 35 is electrically connected by a transmission line (not illustrating among the figure) and reading device 17.
Directing antenna 15 has respectively a read range 150 and a read range 350, the scope that namely dotted line surrounds shown in Fig. 3 with directing antenna 35.When the article that are loaded with an electronic tag enter read range 150 or read range 350 when interior, directing antenna 15 and directing antenna 35 namely can read a label information of this electronic tag, and this label information is sent to reading device 17,17 of reading devices produce a sentence read result according to this label information.Further, reading device 17 more can drive alarming device 11 according to this sentence read result.Wherein, alarming device 11 can be a hummer, a warning lamp or other can be in order to device and the combination thereof of sending information warning, and the present invention does not limit the enforcement pattern of alarming device 11.
Adjust the coverage area of read range 150 and read range 350 by gyration adjuster 13 and gyration adjuster 33, the excessive scope that reads of detection of electrons door 1 and a detection of electrons door 3 inboard in the gateway (namely-y direction) is dwindled, and then avoid when the electronic tag that is positioned at the inboard, gateway during near the detection of electrons door since the detection of electrons door read the excessive erroneous judgement that causes of excessive scope.In present embodiment, detection of electrons door 1 and a detection of electrons door 3 in the excessive distance B of reading of inboard, gateway between 5 centimeters to 60 centimeters, reading excessive distance and then can reach 1 meter to 9 meters in the outside, gateway; In other embodiment, visual practical application request adjustment gyration adjuster 13 and gyration adjuster 33 are to determine to read the size of excessive distance B.
On the other hand, because directing antenna of the present invention 15 operates in uhf band with directing antenna 35, therefore has larger read range.Particularly, the distance W between detection of electrons door 1 and the detection of electrons door 3 can be between 0.5 meter to 6 meters, when practical application, only needs arrange in the both sides of gateway the width that respectively detection of electrons door 1 and detection of electrons door 3 can be contained general gateway.In addition, the read range of directing antenna 15 and directing antenna 35 also increases with the increase of the output power of reading device 17, and therefore visual practical application situation is adjusted the size of the output power of reading device 17.
The person of should be specified, in present embodiment, gyration adjuster 13 is the fixing fixator of angle; In other embodiment, gyration adjuster 13 also can be the support, physical construction of variable-angle or other can be in order to provide the device of an angle, and the implementation with gyration adjuster 13 does not limit the scope of the invention.In addition, gyration adjuster 13 can be made by plastic cement, metal, Poly Foam or other material, and the material of gyration adjuster 13 is not used in equally and limits the scope of the invention.
Detection of electrons Men Gengke of the present invention arranges in pairs or groups radio frequency identification (Radio Frequency Identification, RFID) label and sets up a burglary-resisting system, below will explain with an instantiation.When being applied to the shop, detection of electrons door 1 of the present invention and detection of electrons door 3 can be set in the doorway, shop, and on each commodity, add a RFID label, each RFID label all has a label information.For example, this label information is the coding of a hexadecimal system, scope between " 00000000 " to " FFFFFFFF ", if commodity belong to one checkout maybe can not carry commodity outside the shop outside, then the 3rd bit digital and the 4th bit digital with its label information is preset as 9, for example " 00991234 ".
When commodity entered the read range of directing antenna 15 or directing antenna 35, directing antenna 15 just can read the label information in the RFID label on these commodity with directing antenna 35, and this label information is sent to reading device 17.Then, reading device 17 judges according to this label information whether its 3rd bit digital and the 4th bit digital are all 9.If not, represent then that these commodity have been settled accounts maybe can carry outside outside the shop that then reading device 17 does not drive alarming device 11; If represent then that these commodity are not settled accounts maybe can not carry outside outside the shop, just then reading device 17 drives alarming device 11.
Except the application of above-mentioned burglary-resisting system, detection of electrons door of the present invention more can be applicable to such as warehousing system.Similarly, can be in warehouse setup of entrances and exits detection of electrons door 1 of the present invention and detection of electrons door 3, contained RFID label carries out control and the detection of kinds of goods turnover on each kinds of goods of arranging in pairs or groups.In addition, detection of electrons Men Gengke of the present invention and checkout system collocation are used, and the merchandise news that will have been settled accounts by checkout system is sent to the detection of electrons door, so the detection of electrons door can judge whether commodity can carry the detection of electrons door outside according to the information of checkout system.
In sum, the present invention arranges an antenna that operates in uhf band in the detection of electrons door, and antenna is fixedly arranged on the gyration adjuster, and in the antenna rear one ground plane is set; Thus, can adjust by the gyration adjuster pointing direction and the read range of antenna, avoid read range and square behind the door in detection of electrons by ground plane simultaneously.Whereby, the present invention can overcome in the prior art, when the article that are loaded with an electronic tag near around the detection of electrons door time, even not by the detection of electrons door, also can be detected and read, cause the shortcoming of false touch alarm, have simultaneously long apart from read range and the adjustable advantage of read range.
The above embodiments only are used for exemplifying embodiments of the invention, and explain technical characterictic of the present invention, are not to limit protection category of the present invention.Any be familiar with this operator can unlabored change or the arrangement of isotropism all belong to the scope that the present invention advocates, the scope of the present invention should be as the criterion with claim.
Claims (7)
1. a detection of electrons door has first side and second side, it is characterized in that, also comprises:
A gyration adjuster;
A directing antenna is fixedly arranged on this gyration adjuster and points to this first side, and has a read range; And
A ground plane is arranged at this second side, in order to shield this read range;
Wherein, this gyration adjuster is in order to adjust this read range.
2. detection of electrons door as claimed in claim 1 is characterized in that, this directing antenna operation is in a ultra-high frequency band.
3. detection of electrons door as claimed in claim 1 is characterized in that, this gyration adjuster with an angle so that this directing antenna is according to this read range of this angular setting.
4. detection of electrons door as claimed in claim 1 is characterized in that, this gyration adjuster is fixedly arranged on this second side.
5. detection of electrons door as claimed in claim 1 is characterized in that, this ground plane is a metal covering.
6. detection of electrons door as claimed in claim 1, it is characterized in that, also comprise a reading device, this directing antenna is in order to receive a label information, this reading device and this directing antenna are electrically connected, in order to produce a sentence read result according to this label information.
7. detection of electrons door as claimed in claim 6 is characterized in that, also comprises a caution unit, is electrically connected with this reading device, and this reading device is also in order to drive this caution unit according to this sentence read result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102389557A CN102956048A (en) | 2011-08-19 | 2011-08-19 | Electronic detection gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102389557A CN102956048A (en) | 2011-08-19 | 2011-08-19 | Electronic detection gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102956048A true CN102956048A (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102389557A Pending CN102956048A (en) | 2011-08-19 | 2011-08-19 | Electronic detection gate |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0869582A (en) * | 1994-08-31 | 1996-03-12 | Shinwa Kogyo Kk | Antenna gate for burglarproof device |
| US6686846B1 (en) * | 2002-09-11 | 2004-02-03 | Bert Taeho Lee | Detachable entrance and exit gate with a combined commodity burglarproof and weapon detecting system |
| TWM350834U (en) * | 2008-09-17 | 2009-02-11 | yu-xiong Fan | External antenna fastening structure |
| CN101436710A (en) * | 2007-11-14 | 2009-05-20 | 诚实科技香港有限公司 | Directionality antenna and portable electronic device equipped with the same |
| CN101789072A (en) * | 2009-01-23 | 2010-07-28 | 香港城市大学 | Ultrahigh frequency radio frequency identification device and system thereof |
| CN201757909U (en) * | 2010-07-26 | 2011-03-09 | 中国航天科工集团第二研究院七○六所 | Radio frequency identification system and radio frequency identification device |
| CN201845403U (en) * | 2010-08-24 | 2011-05-25 | 上海弗英软件有限公司 | Ultrahigh frequency RFID (radio frequency identification device) intelligent commodity anti-theft channel |
-
2011
- 2011-08-19 CN CN2011102389557A patent/CN102956048A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0869582A (en) * | 1994-08-31 | 1996-03-12 | Shinwa Kogyo Kk | Antenna gate for burglarproof device |
| US6686846B1 (en) * | 2002-09-11 | 2004-02-03 | Bert Taeho Lee | Detachable entrance and exit gate with a combined commodity burglarproof and weapon detecting system |
| CN101436710A (en) * | 2007-11-14 | 2009-05-20 | 诚实科技香港有限公司 | Directionality antenna and portable electronic device equipped with the same |
| TWM350834U (en) * | 2008-09-17 | 2009-02-11 | yu-xiong Fan | External antenna fastening structure |
| CN101789072A (en) * | 2009-01-23 | 2010-07-28 | 香港城市大学 | Ultrahigh frequency radio frequency identification device and system thereof |
| CN201757909U (en) * | 2010-07-26 | 2011-03-09 | 中国航天科工集团第二研究院七○六所 | Radio frequency identification system and radio frequency identification device |
| CN201845403U (en) * | 2010-08-24 | 2011-05-25 | 上海弗英软件有限公司 | Ultrahigh frequency RFID (radio frequency identification device) intelligent commodity anti-theft channel |
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Application publication date: 20130306 |