CN205270153U - Auxiliary device of airport luggage letter sorting system based on RFID - Google Patents

Abstract

The utility model discloses an auxiliary device of airport luggage letter sorting system based on RFID sets up on the spout mouth of airport luggage letter sorting system, spout mouth end is equipped with the terminal baffle of spout, including RFID identification aerial, human infrared sensing probe far away, RFID read write line and photoelectric probe, photoelectric probe installs the entrance at the spout mouth, the RFID identification aerial includes a plurality of, sets up separately in the inside and outside both sides of the terminal baffle of spout, the outside at the terminal baffle of spout is established to the RFID read write line, human infrared sensing probe far away installs on the terminal baffle of spout, just the RFID identification aerial passes through radio frequency cable and RFID read write line communication connection. The RFID read write line is connected with the supervisory equipment electricity of airport luggage letter sorting system. This device can also accurate recording and is sent the tag information of luggage to backstage luggage information management system through data interface.

Description

A kind of auxiliary device of the baggage sorting system for air port based on RFID

Technical field

This utility model relates to technical field of RFID and baggage sorting system for air port technical field, more particularly, to the auxiliary device of a kind of baggage sorting system for air port based on RFID.

Background technology

RFID(RadioFrequencyIdentification, i.e. RF identification) technology is also referred to as electronic label technology, it it is a kind of non-contacting automatic identification technology, its basic functional principle is to utilize radiofrequency signal and inductance or electromagnetic space coupled transfer characteristic, it is achieved the automatic identification to identified object. RFID system is generally made up of three parts: RFID (Tag), read write line (Reader) and computer application system.

The groundwork flow process of RFID system is as follows: electronic label read/write sends the radiofrequency signal of particular job frequency by radio-frequency transmissions antenna, when electronic tag enters the operational coverage area of read write line transmitting antenna, its antenna produces faradic current by inductance or electromagnetic space coupling, activate passive label (for active label, do not need to activate, in running order all the time); The energy part that label obtains is rectified into the electronic circuit that DC source is supplied in label and is operated, and is reflected back tag read-write equipment through label antenna after the data message modulation that another part is preserved in label; Tag read-write equipment receives the carrier signal returned from tag reflection by reception antenna, it is demodulated to received signal and decodes, obtain the marking data information preserved in electronic tag, and give computer application system this marking data information by communication interface and process.

Baggage sorting system for air port (BHS, BaggageHandlingSystem) it is one of the core system of Aerodrome Operations, integrate computer, industrial control network, PLC and Electrical Control Technology, hand baggage is carried out centralized and unified transmission, sorting and processes. Passenger's checked baggage, through quickly identifying and after sorting, is sent to correct flight.

Airdrome luggage identification system is the important step of Automated Sorting System. At present, hand baggage is identified by airdrome luggage identification Automated Sorting System mainly through bar coded sticker. In course of conveying, process by the identification of bar code is reached the sorting to passenger baggage. The luggage tracing system of World Airways, Inc. develops into now, relatively ripe, but, even if ideally, the luggage correctly recognition rate of bar code identification system also can only achieve about 90%, this means that airline the time and efforts of the continuous amount of having high input to carry out manual operation, it is impossible to the luggage sorted by automatic bar code identification is accurately transported on different flights. Meanwhile, because the requirement of bar code scan directional is high, airport employe is too increased extra work amount when carrying out bar code packaging by this.

In sum, luggage is carried out coupling sorting by simple use bar code, will be the work needing to expend the plenty of time with energy, it could even be possible to cause the seriously delay of flight. Therefore, improve automaticity and the sorting accuracy of airdrome luggage Automated Sorting System, to protection Public Traveling safety, reduce airport sorting person works's intensity, improve airport overall operation efficiency, significant.

RFID radio RF recognition technology is generally considered one of 21 century the most potential technology, is after barcode technology, causes the new technique that automatic identification field is changed. Along with improving constantly of ultra-high frequency RFID label performance, and ultrahigh frequency RFID read-write equipment technology is constantly perfect, relative to bar code, non line of sight that RFID technique has, remote and fast accurate recognition ability, and the feature such as directional is less demanding, wished to apply it in Luggage automatic sorting system by increasing airport, tackle the new challenge that airport movement system disposal ability is proposed by hand baggage. In this context, in October, 2005, IATA (International Air Transport Association) adopts resolution unanimously, using UHF (hyperfrequency) the RFID bandage type label sole criterion as air baggage tag.

Airdrome luggage identification system automatically identifies current by the information of luggage, and this information is delivered to control system and PLC system. Control system is according to the luggage information collected, it is judged that the destination of this luggage, and informs PLC system. After PLC system obtains Flight Information, BSM message information and luggage tag information, by comparing data, it is determined that the flight number of luggage; By customizing chute allocation table, it is determined that the corresponding relation of chute and flight, thus having determined that the corresponding relation of luggage and chute. Then, by adopting the PLC programmed method of virtual window technology, the position of each chute is determined. Luggage position on PLC system real-time tracking conveyer belt, controls motor and this luggage is transported to by correct conveyer belt and luggage pallet the baggage collection chute specified, complete the work of whole automatic sorting.

Utility model content

This utility model is overcome at least one defect (deficiency) described in above-mentioned prior art, it is provided that the auxiliary device of a kind of baggage sorting system for air port based on RFID.

For solving above-mentioned technical problem, the technical solution of the utility model is as follows:

The auxiliary device of a kind of baggage sorting system for air port based on RFID, is arranged on the chute mouth of baggage sorting system for air port, and described sliding slot extremities is provided with chute end stop, identifies antenna and rfid interrogator including RFID; Described RFID identifies that antenna includes several, sets up separately inside and outside chute end stop, and described rfid interrogator is located at the outside of chute end stop; And described RFID identifies that antenna is by radio-frequency cable and rfid interrogator communication connection, rfid interrogator electrically connects with the monitoring device of baggage sorting system for air port.

This device is mounted on chute mouth, specifically the RFID in chute end stop identifies that radiofrequency signal is radiated the region that chute mouth needs to cover by antenna, after the luggage with label is entered chute mouth by chute downslide section, trigger rfid interrogator and radio-frequency power is exported the RFID identification antenna being arranged in chute end stop. When the luggage being tied with label enters behind radiofrequency signal overlay area just by rfid interrogator identification, the label information read can also be sent in background system in real time simultaneously. Described RFID identifies that antenna is separately mounted to inside and outside described chute end stop, completes sorting system chute mouth luggage and arrives and move away from confirmation function.

Preferably, the auxiliary device based on the baggage sorting system for air port of RFID also includes photoelectric probe, and described photoelectric probe is arranged on the porch of chute mouth.

Photoelectric probe is arranged on chute mouth porch by this programme, i.e. the end of chute downslide section, for detecting whether there is luggage to arrive, it is achieved select to enter energy saver mode automatically according to luggage flow.

Preferably, the auxiliary device based on the baggage sorting system for air port of RFID also includes human body far infrared inductive probe, and described human body far infrared inductive probe is installed in chute end stop.

Human body far infrared inductive probe is arranged in chute end stop by this programme, it is possible to recognizes staff and goes to chute to carry out the action extracted, and moves away from confirmation scanning thus starting, and possesses environment-friendly function that is energy-conservation and that reduce radiation.

Preferably, described RFID identifies that antenna is 4-16; Actual number nor is it necessary that and is limited within the scope of this.

This utility model compared with prior art, has the advantages that

The chute end stop of the baggage sorting system for air port that current airport is currently in use is not possess luggage tag recognition function, confirm so the luggage to arriving chute mouth also cannot be realized, luggage can not be real-time after moving learn in background system, and system of the present utility model can in the quantity of background monitoring to the luggage of all arrival chute mouths, whether the flight corresponding with chute mouth be consistent with every luggage in real time; And can monitor whether chute mouth moved away from all by all of luggage.

With other implementations the difference is that, native system is without changing the structure of chute mouth, only need to inside and outside chute mouth end stop and chute mouth arrival end corresponding parts are installed, both can realize the confirmation function that luggage arrives and moves away from chute mouth, vary without again the original constructional appearance of chute mouth.

Accompanying drawing explanation

Fig. 1 is chute side structure schematic diagram.

Fig. 2 is chute end stop inside structure schematic diagram.

Fig. 3 is chute end stop outboard structure schematic diagram.

Detailed description of the invention

Accompanying drawing being merely cited for property explanation, it is impossible to be interpreted as the restriction to this patent; In order to the present embodiment is better described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product;

To those skilled in the art, in accompanying drawing, some known features and explanation thereof are likely to omission and will be understood by. Below in conjunction with drawings and Examples, the technical solution of the utility model is described further.

This utility model solves the quantity of the luggage monitoring all arrival chute mouths in background system in real time, and whether the flight corresponding with chute mouth is consistent with every luggage; And the problem whether chute mouth moved away from all by all of luggage can be monitored. Below in conjunction with the drawings and specific embodiments, this utility model done a detailed elaboration.

As schemed, the auxiliary device of a kind of baggage sorting system for air port based on RFID, it is arranged on the chute mouth 6 of baggage sorting system for air port, described chute mouth 6 end is provided with chute end stop 3, and the porch of chute mouth 6 is connected to chute downslide section 7; This auxiliary device includes RFID and identifies antenna 1, human body far infrared inductive probe 2, rfid interrogator 4 and photoelectric probe 5; Described RFID identifies that antenna 1 includes several, sets up separately inside and outside chute end stop 3, and described rfid interrogator 4 is located at the outside of chute end stop 3; And described RFID identifies that antenna 1 is communicated to connect by radio-frequency cable and rfid interrogator 4, rfid interrogator 4 electrically connects with the monitoring device of baggage sorting system for air port; Described human body far infrared inductive probe 2 is installed in chute end stop 3, and described photoelectric probe 5 is arranged on the porch of chute mouth 6.

It is arranged on the RFID inside chute end stop 3 and identifies that radiofrequency signal is radiated the region that chute mouth 6 needs to cover by antenna 1; Photoelectric probe 5 is installed in chute mouth porch, the luggage chute mouth 6 is entered from chute downslide section 7 end to be used for detecting, the RFID identification antenna 1 being arranged on inside chute end stop 3 to trigger rfid interrogator 4 to be exported by radio-frequency power, when the luggage being tied with label is just recognized by rfid interrogator 4 after entering radiofrequency signal overlay area, and the label information read is sent in background system in real time.

RFID is identified, and antenna 1 is arranged on inside and outside chute end stop 3, it is preferred that 8 secondary RFID identify antenna 1, but do not limit RFID to identify the particular number of antenna 1. Rfid interrogator 4 is arranged on the outside of chute end stop 3 again, but rfid interrogator 4 installation site is not limit, with RFID, rfid interrogator 4 radio-frequency cable is identified that antenna 1 couples together. Chute end stop 3 is installed human body far infrared inductive probe 2, to be used for having detected whether that carrying personnel are near chute mouth, then trigger rfid interrogator 4 to be exported by radio-frequency power and be arranged on RFID outside chute end stop 3 and identify antenna 1, the RFID being arranged on outside chute end stop 3 identify that radiofrequency signal is radiated by antenna 1 and move away from region outside chute mouth 6. When being tied with the luggage of label moving away from after region is read, label information is sent in background system in real time.

When photoelectric probe 5 and human body far infrared inductive probe 2 do not trigger signal send time, then do not start the recognition of rfid interrogator 4, described device enter saving operation mode.

Obviously, above-described embodiment of the present utility model is only for clearly demonstrating this utility model example, and is not the restriction to embodiment of the present utility model. For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description. Here without also cannot all of embodiment be given exhaustive. All any amendment, equivalent replacement and improvement etc. made within spirit of the present utility model and principle, should be included within this utility model scope of the claims.

Claims (3)

1. the auxiliary device based on the baggage sorting system for air port of RFID, it is arranged on the chute mouth (6) of baggage sorting system for air port, described chute mouth (6) end is provided with chute end stop (3), it is characterised in that includes RFID and identifies antenna (1) and rfid interrogator (4); Described RFID identifies that antenna (1) includes several, sets up separately inside and outside chute end stop (3), and described rfid interrogator (4) is located at the outside of chute end stop (3); And described RFID identifies that antenna (1) is by radio-frequency cable and rfid interrogator (4) communication connection, rfid interrogator (4) electrically connects with the monitoring device of baggage sorting system for air port.

2. the auxiliary device of the baggage sorting system for air port based on RFID according to claim 1, it is characterised in that also including photoelectric probe (5), described photoelectric probe (5) is arranged on the porch of chute mouth (6).

3. the auxiliary device of the baggage sorting system for air port based on RFID according to claim 1, it is characterised in that also including human body far infrared inductive probe (2), described human body far infrared inductive probe (2) is installed in chute end stop (3).