CN201993783U - Automatic logistics system based on radio-frequency identification technology - Google Patents
Automatic logistics system based on radio-frequency identification technology Download PDFInfo
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- CN201993783U CN201993783U CN2011200892246U CN201120089224U CN201993783U CN 201993783 U CN201993783 U CN 201993783U CN 2011200892246 U CN2011200892246 U CN 2011200892246U CN 201120089224 U CN201120089224 U CN 201120089224U CN 201993783 U CN201993783 U CN 201993783U
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Abstract
The utility model discloses an automatic logistics system based on a radio-frequency identification technology, which comprises an electronic tag, a reader-writer and a computer, wherein the reader-writer is provided with a radio-frequency receiving and transmitting chip as well as a first antenna, a second antenna, a third antenna and a fourth antenna which are electrically connected with the radio-frequency receiving and transmitting chip, the first antenna and the second antenna are respectively arranged at places at the height of 0.8-1.2m at both sides of a portal frame, and the first antenna and the second antenna are respectively inwards arranged and are vertical to the portal frame; and the third antenna and the fourth antenna which are vertically downward are respectively arranged right ahead and right behind the top of the portal frame. In the utility model, the first to the fourth antennae are arranged at the reasonable positions of a portal, so that electromagnetic fields generated by the antennae are reasonably distributed in the portal and around the portal, the mutual interference among signals is reduced, and the identification accuracy is improved.
Description
Technical field
The utility model relates to a kind of automatic logistics system, especially relates to a kind of automatic logistics system based on REID.
Background technology
REID (RFlD:Radio Frequency ldentification) is a kind of technology of utilizing wireless radio transmission to realize the contactless identification of object.It rose from the nineties in 20th century because its outstanding feature compares with traditional bar code, magnetic card and lC card, intelligent label has that noncontact, reading rate are fast, wearing and tearing can be encrypted, do not had to data, not affected by environment, the life-span is grown, characteristics easy to use; Simultaneously, system with anticollision function also can handle a plurality of labels simultaneously, thereby be widely used in fields such as production run, logistic storage, retailing, commodity counterfeit prevention, security and traffic administration at present, realize the automatic collection of goods, personnel and animal information.
RFID mainly is made up of read write line and intelligent label, read write line sends the radiofrequency signal of certain frequency by emitting antenna, when entering the emitting antenna perform region, label produces induction current, label obtains energy and is activated, label sends information such as self coding by its built-in aerial, the read write line receiving antenna receives the carrier signal of sending from label, be sent to read write line through the antenna adjustments device, after read write line carries out the demodulation sign indicating number to received signal, data such as label coding are carried out exchanges data and can be carried out the order that application systems software is sent simultaneously by interface and upper control computer, realize different application functions.
Yet, unreasonable in the prior art owing to Antenna Design, when tending to occur to be carved with when a certain in the identified region that some labels appear at read write line simultaneously, described some labels send its signal of data separately to read write line simultaneously, because all labels all use same frequency of operation, these signals aloft superpose and the phase mutual interference, thereby it is low to make read write line read precision.
Summary of the invention
The utility model is to provide a kind of automatic logistics system based on REID that improves the degree of accuracy of identification at the defective that the above-mentioned background technology exists.
For achieving the above object, the utility model discloses a kind of automatic logistics system based on REID, it comprises electronic tag, read write line and computing machine, first antenna to the, four antennas that described read write line is provided with rf chip and is electrically connected with described rf chip, the height that described first antenna and second antenna are separately positioned on the portal frame both sides is the place between 0.8m ~ 1.2m, and described first and second antenna is and is provided with inwardly and vertical with described portal frame; The dead ahead, top of described portal frame and place, dead astern are provided with described third antenna and the 4th antenna vertically downward respectively.
Further, the height of described portal frame is 4m, and width is 2m.
Further, described portal frame is made by aluminum alloy material.
Further, to be separately positioned on the height of portal frame both sides be the place of 1m for described first antenna and second antenna.
Further, described computing machine is connected with the database of storage goods information.
Further, the card of described electronic tag level is placed on the side of object, and is positioned at the central authorities of object.
In sum, the utility model based on the automatic logistics system of REID by described first antenna to the, four antennas being arranged on the rational position at gantry, thereby the electromagnetic field that produces of antenna reasonably be distributed in reach gantry in gantry around, reduce the phase mutual interference between the signal, improved the accuracy of identification.
Description of drawings
Fig. 1 is the schematic diagram of a kind of embodiment of the utility model.
Embodiment
For further understanding feature of the present utility model, technological means and the specific purposes that reached, function, the utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
See also Fig. 1, the utility model comprises electronic tag 1, read write line 2 and computing machine 3 based on the automatic logistics system of REID.Described electronic tag 1 is provided with inductive coil, and the subsides of described electronic tag 1 level are placed on the side of article 4, and is positioned at the central authorities of article 4.Described read write line 2 and described computing machine 3 are connected by serial ports, and carry out corresponding signal transmission.First antenna 21, second antenna 22, third antenna 23 and the 4th antenna 24 that described read write line 2 is provided with rf chip and is electrically connected with described rf chip.
The height that described first antenna 21 and second antenna 22 are separately positioned on portal frame 5 both sides is the place of 1m, and described first antenna 21 and second antenna 22 are inwardly and are provided with and vertical with described portal frame 5, thereby make the magnetic field strength distribution even, and covering puts in place.Described portal frame 5 is made by aluminum alloy material, thereby not only solid, but also can reduce interference to greatest extent, guarantees accuracy rate.Described portal frame 5 highly is 4m, and width is 2m, thereby can avoid the magnetic field strength distribution uneven or do not cover, and has better like this guaranteed to read accuracy rate.The dead ahead, top of described portal frame 5 and place, dead astern are provided with described third antenna 23 and the 4th antenna 24 vertically downward respectively, thereby can avoid vehicle because of excessive velocities, and have broken away from the magnetic field coverage when also not reading, thereby improve accuracy rate.Described computing machine 3 is connected with the database 7 of storage goods information.
Principle of work of the present utility model is: each the part article 4 on lorry 6 all stick the unique identification that an electronic tag 1 is used as each part article 4, when lorry 6 when portal frame crosses for 5 times, electronic tag 1 enters read write line 2 antennas and covers field region, the inductive coil of electronic tag 1 receives the radiofrequency signal that read write line 2 sends, and rely on the energy that induction current obtained to send out the data message that is stored in the electronic tag 1, at this moment, obtain the data that read write line 2 is read by computing machine 3 serial ports to the order that read write line 2 sends read data, and obtain the id of electronic tag 1 by decoding, find out the goods information of this id institute access then by the database 7 that is connected with computing machine 3.Thereby improve the precision of REID in automatic logistics to greatest extent, work efficiency such as better improve goods warehousing loaded down with trivial details in traditional logistics, outbound, examine goods, make an inventory.
In sum, the utility model based on the automatic logistics system of REID by described first antenna, 21 to the 4th antennas 24 being arranged on the rational position at gantry, thereby the electromagnetic field that produces of antenna reasonably be distributed in reach gantry in gantry around, reduce the phase mutual interference between the signal, improved the accuracy of identification.
The above embodiment has only expressed a kind of embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model scope.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with claims.
Claims (5)
1. automatic logistics system based on REID, it comprises electronic tag (1), read write line (2) and computing machine (3), it is characterized in that: described read write line (2) is provided with rf chip and first antenna (21) that is electrically connected with described rf chip to the 4th antenna (24), the height that described first antenna (21) and second antenna (22) are separately positioned on portal frame (6) both sides is the place between 0.8m ~ 1.2m, and described first and second antenna (22) is and is provided with inwardly and vertical with described portal frame (6); The dead ahead, top of described portal frame (6) and place, dead astern are provided with described third antenna (23) and the 4th antenna (24) vertically downward respectively.
2. the automatic logistics system based on REID according to claim 1 is characterized in that: the height of described portal frame (6) is 4m, and width is 2m.
3. the automatic logistics system based on REID according to claim 1 and 2 is characterized in that: described portal frame (6) is made by aluminum alloy material.
4. the automatic logistics system based on REID according to claim 1 and 2 is characterized in that: the height that described first antenna (21) and second antenna (22) are separately positioned on portal frame (6) both sides is the place of 1m.
5. the automatic logistics system based on REID according to claim 1 and 2 is characterized in that: the card of described electronic tag (1) level is placed on the side of article (4), and is positioned at the central authorities of article (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200892246U CN201993783U (en) | 2011-03-30 | 2011-03-30 | Automatic logistics system based on radio-frequency identification technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200892246U CN201993783U (en) | 2011-03-30 | 2011-03-30 | Automatic logistics system based on radio-frequency identification technology |
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| Publication Number | Publication Date |
|---|---|
| CN201993783U true CN201993783U (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200892246U Expired - Fee Related CN201993783U (en) | 2011-03-30 | 2011-03-30 | Automatic logistics system based on radio-frequency identification technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104463271A (en) * | 2014-12-01 | 2015-03-25 | 南京大学 | Gantry type automatic scanning recognition device based on RFID technology |
-
2011
- 2011-03-30 CN CN2011200892246U patent/CN201993783U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104463271A (en) * | 2014-12-01 | 2015-03-25 | 南京大学 | Gantry type automatic scanning recognition device based on RFID technology |
| CN104463271B (en) * | 2014-12-01 | 2017-10-10 | 南京大学 | A kind of planer-type automatically scanning identifying device based on RFID technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20150330 |
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| EXPY | Termination of patent right or utility model |