CN105139046A - Method for determining movement direction of RF label in gate region - Google Patents
Method for determining movement direction of RF label in gate region Download PDFInfo
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- CN105139046A CN105139046A CN201510499081.9A CN201510499081A CN105139046A CN 105139046 A CN105139046 A CN 105139046A CN 201510499081 A CN201510499081 A CN 201510499081A CN 105139046 A CN105139046 A CN 105139046A
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Abstract
The invention discloses a method for determining a movement direction of an RF label in a gate region. Devices which are used in the method comprises an RFID label which is worn by personnel or bound on an object and has a unique ID; RFID readers which are mounted at the gate region of an area and are used for detecting and recording the information of the RFID label; an antenna which is connected with the RFID reader and is used for transmitting or receiving an RF signal in a specific direction; a server which is used for operating a label information processing program and storing real-time position information into a database; and a display terminal which reads real-time information of the personnel or the object and displays the real-time information to a final user. The inside and outside of each gate region are respectively provided with an RFID reader. The RFID readers read the ID information of the RFID label through the antenna and transmit the read information to the server. The server determines the incoming/outgoing direction of the personnel according to the time sequence of the RFID label, thereby realizing a purpose of determining incoming/outgoing of the personnel with high efficiency and high accuracy.
Description
Technical field
The present invention relates to positioning field, particularly, relate to a kind of method that radio-frequency (RF) tag judges at door district moving direction.
Background technology
Along with wireless radio-frequency is more and more ripe, the real-time positioning system based on the large area of wireless radio-frequency there has also been very large development, is widely used in personnel or the article location in the field such as integrated mill, warehouse logistics.The RFID label tag of what the real-time positioning system of the existing large area based on wireless radio-frequency adopted is all passive low frequency, in the gateway of every sub regions of large area, RFID reader is installed, when personnel or article enter a region, by personnel initiatively label is put into the antenna of reader before, reader is read label information input system after label, the positional information of the software section record of system.
The shortcoming done like this mainly contains two aspects, and on the one hand, efficiency is too low, cannot record the positional information of article or personnel in an emergency situation quickly and accurately; On the other hand, because positional information is all manually inputted by personnel, the personnel that cannot ensure are bound to input position information, and system exists leak.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of method that radio-frequency (RF) tag judges at door district moving direction, to realize high-level efficiency and the high advantage of accuracy.
For achieving the above object, the technical solution used in the present invention is:
The method that radio-frequency (RF) tag judges at door district moving direction, uses device to comprise,
RFID label tag: the RFID label tag with unique ID that is that personnel wear or that be bundled on article;
RFID reader: the door district being arranged on region, is used for detecting and records the device of FRID label information;
Antenna: be connected to the antenna in RFID reader, is used for sending in a particular direction or received RF signal;
Server: be used for running label information handling procedure, and real-time positional information is saved in database;
Display terminal: the real-time information of reading personnel or article from server, is shown to final user;
Inside and outside each district, RFID reader is set respectively, RFID reader passes through antenna, read the id information of RFID label tag, and by the information transmission of reading to server, the sequencing that server detects RFID label tag according to RFID reader carries out the judgement that personnel pass in and out direction.
Preferably, the situation that server is disposed according to RFID reader antenna position and its time sequencing detecting RFID label tag carry out the judgement that personnel pass in and out direction, are specifically divided into following 2 kinds of situations:
A) antenna outside RFID label tag Xian Beimen district is first seen, is then seen by the antenna in door district, then send the message that RFID label tag is entered;
B) antenna in RFID label tag Xian Beimen district is seen, the antenna outside Zai Beimen district is seen, then send message of going out.
Preferably, server carries out according to the sequencing that RFID reader detects RFID label tag the judgement that personnel pass in and out direction and is specially following 2 kinds of situations:
A) no matter whether first seen by antenna outdoors, when RFID label tag seen by the antenna in door, send message of entering;
B) no matter whether seen by the antenna in door, when RFID label tag seen by antenna outdoors, send message of going out.
Preferably, server carries out according to the sequencing that RFID reader detects RFID label tag the judgement that personnel pass in and out direction and is specially following 2 kinds of situations:
A) RFID label tag is seen by the antenna outside door district, and expression is entered;
B) RFID label tag is seen by the antenna in door district, and expression is gone out.
Preferably, server detects the historical record of RFID label tag in the inside and outside relevant range time according to RFID reader, carries out the judgement that personnel pass in and out direction, is specially:
Do not send inlet/outlet message when RFID reader label is in sight, only send message in sight, server is according to the historical record of the RFID label tag position detected and detection time, and judgement personnel enter or go out.
Preferably, server according to the sequencing that RFID reader detects RFID label tag carry out personnel pass in and out the judgement in direction time, server, according to the RFID label tag current location in record and the time interocclusal record reading RFID label tag in current location, carries out comprehensive descision to personnel's inlet/outlet.
Technical scheme of the present invention has following beneficial effect:
Technical scheme of the present invention, by arranging RFID reader respectively inside and outside door district, by antenna, RFID label tag is read, thus according to reading positional information and the time of RFID label tag, to the turnover information automatic decision of personnel and article, thus reach high-level efficiency and the object of the judgement personnel of pin-point accuracy turnover.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 to judge the topological schematic diagram of system for the radio-frequency (RF) tag described in the embodiment of the present invention at door district moving direction;
Fig. 2 is the schematic diagram of the antenna mounting locations described in the embodiment of the present invention
Fig. 3 is the process flow diagram of inlet/outlet walking direction in the first situation described in the embodiment of the present invention;
Fig. 4 is the process flow diagram of inlet/outlet walking direction in the second situation described in the embodiment of the present invention;
Fig. 5 is the process flow diagram of inlet/outlet walking direction in the third situation described in the embodiment of the present invention;
Fig. 6 is the process flow diagram of inlet/outlet walking direction in kind of the situation of the 4th described in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
The method that radio-frequency (RF) tag judges at door district moving direction, uses device as shown in Figure 1, comprises,
RFID label tag: the RFID label tag with unique ID that is that personnel wear or that be bundled on article;
RFID reader: the door district being arranged on region, is used for detecting and records the device of FRID label information;
Antenna: be connected to the antenna in RFID reader, is used for sending in a particular direction or received RF signal;
Server: be used for running label information handling procedure, and real-time positional information is saved in database;
Display terminal: the real-time information of reading personnel or article from server, is shown to final user;
As shown in Figure 2, inside and outside each district, RFID reader is set respectively, RFID reader passes through antenna, read the id information of RFID label tag, and by the information transmission of reading to server, the sequencing that server detects RFID label tag according to RFID reader carries out the judgement that personnel pass in and out direction.
Server carries out according to the sequencing that RFID reader detects RFID label tag the judgement that personnel pass in and out direction and is specially:
Antenna outside RFID label tag Xian Beimen district is seen, the antenna in Zai Beimen district is seen, then send the message that RFID label tag is entered; Antenna in RFID label tag Xian Beimen district is seen, the antenna outside Zai Beimen district is seen, then send message of going out.
Server carries out according to the sequencing that RFID reader detects RFID label tag the judgement that personnel pass in and out direction and is specially:
RFID label tag is seen by the antenna in door district, then represent and enter, by the antenna outside door district, RFID label tag is seen that expression is gone out.
Server carries out according to the sequencing that RFID reader detects RFID label tag the judgement that personnel pass in and out direction and is specially:
RFID label tag is seen by the antenna outside door district, and expression is entered, by the antenna in door district, RFID label tag is seen that expression is gone out.
Server carries out according to the sequencing that RFID reader detects RFID label tag the judgement that personnel pass in and out direction and is specially:
Do not send inlet/outlet message when RFID reader label is in sight, only send message in sight, according to the RFID label tag position detected and detection time, server judges that personnel enter or go out.
Server according to the sequencing that RFID reader detects RFID label tag carry out personnel pass in and out the judgement in direction time, server, according to the RFID label tag current location of record and the time of reading RFID label tag in current location, carries out comprehensive descision to personnel positions.
In order to overcome the poor efficiency of the existing large area positioning system based on REID in inlet/outlet judgement and leak, the technology that the technical program have employed a kind of automatic identification carries out the judgement of personnel or article moving direction automatically, automatically detect FRID label information by reader and antenna, and do not need personnel manually to swipe the card.Hardware aspect, according to size and the position concrete condition arrangement antenna in each district, door district fixes up an aerial wire outside Nei Hemen district respectively, reads the time of label and sequentially judge the turnover of personnel or article according to the outer different antenna of inner region.Software aspect according to the label information received and personnel or article current location in systems in which and time of arrival comprehensive judgement personnel turnover direction, the current location of computing staff, the door district turnover judgement for personnel provides more efficiently perfect technical scheme.According to the distance between the size in the astronomical cycle situation of reality and door district, antenna, different with the function of door district outside antenna according to door district internal antenna, door is divided into four kinds of situations:
As shown in Figure 3, the first is the situation of subregion, and the antenna outside label Xian Beimen district is seen, the antenna in Zai Beimen district is seen, then send the message that label is entered;
Antenna in label Xian Beimen district is seen, the antenna outside Zai Beimen district is seen, then send message of going out.In this case, each message sent can ensure it is message really and accurately, and the software section on backstage upgrades the status information of personnel according to normal personnel's inlet/outlet.
After server receives message, first obtain the region that the RFID reader of transmission message is corresponding, the personnel of label binding or article, then personnel query or article position in a database and arrive time of this position, if having passed through the maximum permission time time of arrival, then the personnel in illustrative system and article condition invalid, to the position of personnel be arranged on outside region, then the position in comparison system and the region in reality, do different process according to the difference in region, upgrades the state of personnel.
As shown in Figure 4, the second situation is, label is seen by the antenna in door district, then represent and enter, by the antenna outside door district, label is seen that expression is gone out.In this case, may send the message of mistake, software, when processing, can judge the position current according to personnel in system, if the personnel state in system is inconsistent with the actual turnover message sent, does not then process.
As shown in Figure 5, the third situation is, label is seen by the antenna outside door district, and expression is entered, by the antenna in door district, label is seen that expression is gone out.In this case may send the message of mistake, when software processes, also can judge the position current according to personnel, if the position of personnel is inconsistent with the actual message sent in system, then not process.Whether server needs personnel and article is same judgements once passed in and out, thus filters out the message of mistake.
As shown in Figure 6, the 4th kind of situation is, label is in sight is the message not sending inlet/outlet, only sends message in sight, according to the personnel positions in system and time of arrival, software judges that personnel enter or go out.If current location is in region, and exceedes certain hour, then judges that direction is as going out, if current region is outside region, and exceeding certain hour, then judge that direction is as entering.
Above-mentioned four kinds of situations set according to concrete environment for use, and each district only adopts most suitable a kind of situation to judge inlet/outlet.
When have people or article through move into one's husband's household upon marriage district time, RFID reader can send the FRID label information of reading to server, software on server judges the turnover of personnel or article according to the flow process of Message Processing according to the situation in each district, and upgrade the positional information of personnel or article and arrive the time of this position, and recording track information.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. the method that judges at door district moving direction of radio-frequency (RF) tag, uses device to comprise,
RFID label tag: the RFID label tag with unique ID that is that personnel wear or that be bundled on article;
RFID reader: the door district being arranged on region, is used for detecting and records the device of FRID label information;
Antenna: be connected to the antenna in RFID reader, is used for sending in a particular direction or received RF signal;
Server: be used for running FRID label information handling procedure, and real-time positional information is saved in database;
Display terminal: the real-time information of reading personnel or article from server, is shown to final user;
It is characterized in that, inside and outside each district, RFID reader is set respectively, RFID reader passes through antenna, read the id information of RFID label tag, and by the information transmission of reading to server, the sequencing that server detects RFID label tag according to RFID reader carries out the judgement that personnel pass in and out direction.
2. the method that judges at door district moving direction of radio-frequency (RF) tag according to claim 1, it is characterized in that, the situation that server is disposed according to RFID reader antenna position and its time sequencing detecting RFID label tag carry out the judgement that personnel pass in and out direction, are specifically divided into following 2 kinds of situations:
A) antenna outside RFID label tag Xian Beimen district is first seen, is then seen by the antenna in door district, then send the message that RFID label tag is entered;
B) antenna in RFID label tag Xian Beimen district is seen, the antenna outside Zai Beimen district is seen, then send message of going out.
3. the method that judges at door district moving direction of radio-frequency (RF) tag according to claim 1, is characterized in that, server carries out according to the sequencing that RFID reader detects RFID label tag the judgement that personnel pass in and out direction and is specially following 2 kinds of situations:
A) no matter whether first seen by antenna outdoors, when RFID label tag seen by the antenna in door, send message of entering;
B) no matter whether seen by the antenna in door, when RFID label tag seen by antenna outdoors, send message of going out.
4. the method that judges at door district moving direction of radio-frequency (RF) tag according to claim 1, is characterized in that, server carries out according to the sequencing that RFID reader detects RFID label tag the judgement that personnel pass in and out direction and is specially following 2 kinds of situations:
A) RFID label tag is seen by the antenna outside door district, and expression is entered;
B) RFID label tag is seen by the antenna in door district, and expression is gone out.
5. the method that judges at door district moving direction of radio-frequency (RF) tag according to claim 1, it is characterized in that, server detects the historical record of RFID label tag in the inside and outside relevant range time according to RFID reader, carries out the judgement that personnel pass in and out direction, is specially:
Do not send inlet/outlet message when RFID reader label is in sight, only send message in sight, server is according to the historical record of the RFID label tag position detected and detection time, and judgement personnel enter or go out.
6. according to the method that the arbitrary described radio-frequency (RF) tag of claim 1 to 5 judges at door district moving direction, it is characterized in that, server according to the sequencing that RFID reader detects RFID label tag carry out personnel pass in and out the judgement in direction time, server, according to the RFID label tag current location in record and the time interocclusal record reading RFID label tag in current location, carries out comprehensive descision to personnel's inlet/outlet.
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