CN206249325U - A kind of rfid interrogator duplexer - Google Patents
A kind of rfid interrogator duplexer Download PDFInfo
- Publication number
- CN206249325U CN206249325U CN201621248189.7U CN201621248189U CN206249325U CN 206249325 U CN206249325 U CN 206249325U CN 201621248189 U CN201621248189 U CN 201621248189U CN 206249325 U CN206249325 U CN 206249325U
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- CN
- China
- Prior art keywords
- box body
- port
- input port
- signal input
- controlling switch
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Abstract
The utility model discloses a kind of rfid interrogator duplexer, including box body, aerial signal input port, connectivity port, it is characterised in that：The side wall on the box body top is provided with connectivity port, the side wall of box body bottom is provided with aerial signal input port, the wall of box body sidepiece is provided with an I/O control ports, 2nd I/O control ports, power input port, box body bottom is provided with base, four angles of base are provided with mounting hole, controlling switch is provided with box body, aerial signal input port is connected with the signal input part of controlling switch, the signal output part of controlling switch is connected with connectivity port, the power port of controlling switch respectively with an I/O control ports, 2nd I/O control ports, power input port is connected, the utility model has simple structure, the advantage of strong antijamming capability, traditional rfid interrogator antennal interface can be expanded to 4 groups from 1 group.
Description
Technical field
The utility model belongs to coaxial switch technical field, and in particular to a kind of rfid interrogator duplexer.
Background technology
RFID (Radio Frequency Identification, radio frequency identification) technology is a kind of logical using wireless radiofrequency
Reliable existing non-contact automatic identification technology, its general principle is using radiofrequency signal or Space Coupling (inductance or electromagnetism coupling
Close) transmission characteristic, automatic identification destination object simultaneously obtains related data, without manual intervention.According to the difference of working frequency,
RFID can be divided into low frequency (LF), high frequency (HF), hyperfrequency (UHF) and microwave frequency band (MW).According to the difference of working frequency, identification
Distance is also not quite similar.
Rfid system comprises at least reader and electronic tag two parts.Reader is the equipment for reading label information, is had
When can also to label write data message.Reader in traditional RFID multiple antennas read write line equipment further comprises antenna, be
Radiofrequency signal is transmitted between label and reader.Electronic tag is the data medium of radio-frequency recognition system, and electronic tag is by marking
Antenna and label special chip composition are signed, each label has unique electronic code.
Traditional RFID multiple antennas read write lines equipment is mainly connect by master controller, radio frequency control module, antenna and RS232
Mouth composition.Read write line control module launches electromagnetic wave by antenna, the size in electromagenetic wave radiation region depend on working frequency and
Antenna performance.RFID label tag is typically communicated by passive passive reflection mode with antenna.Read write line receives the data of label
Afterwards, master controller decodes and carries out the validity that error checking carrys out determination data, is then passed label data by RS232 interfaces
To in computer network.
There was only single antenna in traditional read write line equipment and can not be separated by read write line binding, and operating temperature model
Enclose small, antijamming capability is weak, data transmission bauds is slow, is difficult to reliably work in complex environment.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of rfid interrogator antenna is opened
Close.
A kind of rfid interrogator duplexer, including box body, aerial signal input port, connectivity port, it is characterised in that：
The side wall on the box body top is provided with connectivity port, and the side wall of box body bottom is provided with aerial signal input port, box body side
The wall in portion is provided with an I/O control ports, the 2nd I/O control ports, power input port, and box body bottom is provided with base,
Four angles of base are provided with mounting hole, and the signal of controlling switch, aerial signal input port and controlling switch is provided with box body
Input is connected, and the signal output part of controlling switch is connected with connectivity port, and the power port of controlling switch is respectively with
One I/O control ports, the 2nd I/O control ports, power input port are connected.
Preferably, the quantity of the aerial signal input port is 4 groups.
Preferably, it is equipped with external screw thread on the outside of the connectivity port and aerial signal input port.
Compared with prior art, the beneficial effects of the utility model：
The control that the utility model is realized reading and writing rfid interrogator by the control signal that aerial signal input port is input into
System, while the quantity of aerial signal input port is 4 groups, can expand to 4 by traditional rfid interrogator antennal interface from 1 group
Group, greatly improves the adaptability to working frequency of rfid interrogator, with simple structure, strong antijamming capability it is excellent
Point.
Brief description of the drawings
Fig. 1 is a kind of structural representation of rfid interrogator duplexer of the utility model.
In figure, 1, connectivity port, 2, box body, 3, base, 4, mounting hole, 5, aerial signal input port, the 6, the first I/O controls
Port processed, the 7, the 2nd I/O control ports, 8, power input port.
Specific embodiment
Referring to Fig. 1, a kind of rfid interrogator duplexer, including box body 2, aerial signal input port 5, connectivity port 1,
It is characterized in that：The side wall on the top of the box body 2 is provided with connectivity port 1, and it is defeated that the side wall of the bottom of box body 2 is provided with aerial signal
Inbound port 5, the wall of the sidepiece of box body 2 is provided with an I/O control ports 6, the 2nd I/O control ports 7, power input port 8,
The bottom of box body 2 is provided with base 3, and four angles of base 3 are provided with mounting hole 4, box body 2 and are provided with controlling switch, and aerial signal is defeated
Inbound port 5 is connected with the signal input part of controlling switch, and the signal output part of controlling switch is connected with connectivity port 1, control
The power port for making switch is connected with an I/O control ports 6, the 2nd I/O control ports 7, power input port 8 respectively.
The quantity of the aerial signal input port 5 is 4 groups.
The outside of the connectivity port 1 and aerial signal input port 5 is equipped with external screw thread.
Technical solutions of the utility model are exemplarily described above in conjunction with accompanying drawing to utility model, it is clear that this practicality
New implementing is not subject to the restrictions described above, as long as employ method design of the present utility model and technical scheme carrying out
Various unsubstantialities improve, or it is not improved the design of utility model and technical scheme are directly applied into other occasions,
Within protection domain of the present utility model.
Claims (3)
1. a kind of rfid interrogator duplexer, including box body（2）, aerial signal input port（5）, connectivity port（1）, it is special
Levy and be：The box body（2）The side wall on top is provided with connectivity port（1）, box body（2）The side wall of bottom is provided with aerial signal
Input port（5）, box body（2）The wall of sidepiece is provided with an I/O control ports（6）, the 2nd I/O control ports（7）, power supply
Input port（8）, box body（2）Bottom is provided with base（3）, base（3）Four angles be provided with mounting hole（4）, box body（2）Inside set
There are controlling switch, aerial signal input port（5）It is connected with the signal input part of controlling switch, the signal output of controlling switch
End and connectivity port（1）Be connected, the power port of controlling switch respectively with an I/O control ports（6）, the 2nd I/O control
Port（7）, power input port（8）It is connected.
2. a kind of rfid interrogator duplexer as claimed in claim 1, it is characterised in that：The aerial signal input port
（5）Quantity be 4 groups.
3. a kind of rfid interrogator duplexer as claimed in claim 1, it is characterised in that：The connectivity port（1）And day
Line signal input port（5）Outside be equipped with external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621248189.7U CN206249325U (en) | 2016-11-22 | 2016-11-22 | A kind of rfid interrogator duplexer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621248189.7U CN206249325U (en) | 2016-11-22 | 2016-11-22 | A kind of rfid interrogator duplexer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206249325U true CN206249325U (en) | 2017-06-13 |
Family
ID=58999646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621248189.7U Expired - Fee Related CN206249325U (en) | 2016-11-22 | 2016-11-22 | A kind of rfid interrogator duplexer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206249325U (en) |
-
2016
- 2016-11-22 CN CN201621248189.7U patent/CN206249325U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20191122 |