CN201859463U - UHF (ultra high frequency) RFID (radiofrequency identification device) antenna extension device - Google Patents
UHF (ultra high frequency) RFID (radiofrequency identification device) antenna extension device Download PDFInfo
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- CN201859463U CN201859463U CN2010205930381U CN201020593038U CN201859463U CN 201859463 U CN201859463 U CN 201859463U CN 2010205930381 U CN2010205930381 U CN 2010205930381U CN 201020593038 U CN201020593038 U CN 201020593038U CN 201859463 U CN201859463 U CN 201859463U
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- expanding unit
- antenna
- antenna expanding
- radio
- interface
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Abstract
The utility model discloses a UHF (ultra high frequency) RFID (radiofrequency identification device) antenna extension device, which comprises an RFID reader and antennas. The UFH RFID antenna extension device is characterized by further comprising a main antenna extension device and a secondary antenna extension device, the main antenna extension device is connected with the secondary antenna extension device, the RFID reader and the secondary antenna extension device or the antennas, the secondary extension device is connected with the antennas, the main antenna extension device comprises a power module, a radiofrequency input end interface, a radiofrequency output end interface, a switching control module and a data communication exchange module, and the secondary antenna device comprises a power module, a radiofrequency input end interface, a radiofrequency cascade output end interface, a radiofrequency output end interface, the switching control module and the data communication exchange module. A plurality of antennas can be simultaneously connected onto a UHF RFID reader, and the UHF RFID reader can realize management control to the antennas under control of a computer.
Description
[technical field]
The utility model relates to a kind of antenna expansion technique of radio-frequency identification reader/writer, more particularly, relates to a kind of a kind of UHF RFID antenna expansion system device that makes a UHF rfid interrogator connect a plurality of antennas.
[background technology]
At present, (Radio Frequency Identification, RFID) technology is a kind of automatic identification technology of realizing based on radio frequency recognition principle to radio-frequency (RF) identification.Usually rfid system is made of electronic tag, antenna and read write line three parts.Read write line is to read or read/write device, is rfid system information Control and processing enter.Read write line carries out radio communication by antenna and RFID electronic tag.Be to connect between read write line and the antenna in wired mode.For comprehensive covering is carried out in the Target Recognition zone, make read write line to expand and connect a plurality of antennas, but common read write line generally has only 1,2,4 even 8 radio-frequency (RF) output end mouths at present.Therefrom we can see, read write line be limited with antenna amount, and can't accomplish the expansion of greater number, just must increase corresponding with it read write line quantity if will expand the quantity that connects antenna, the defective value of described prior art must improve.
[utility model content]
The purpose of this utility model is at above-mentioned technological deficiency, a kind of UHF RFID antenna expansion system device is provided, this a kind of UHF RFID antenna expansion system device can be connected to a plurality of antennas on the UHFRFID read write line simultaneously, and realizes the management control to a plurality of antennas under computer control.
The technical solution of the utility model is as described below: a kind of UHF RFID antenna expanding unit, comprise rfid interrogator, antenna, it is characterized in that, comprise the main antenna expanding unit and from the antenna expanding unit, the main antenna expanding unit be connected from the antenna expanding unit, described main antenna expanding unit is connected with rfid interrogator, described main antenna expanding unit be connected from antenna expanding unit or antenna, describedly be connected with antenna from the antenna expanding unit.
According to the utility model of said structure, its feature is that also described main antenna expanding unit includes:
Power module, power module are for main antenna expanding unit direct supply is provided;
Rf inputs interface, rf inputs interface are the radiofrequency signals for the radio-frequency (RF) output end interface output that receives read write line;
Radio-frequency (RF) output end interface, radio-frequency (RF) output end interface are for radiofrequency signal being exported to from antenna expanding unit or antenna;
Switching controls module, switching controls module are for opening or closing the radio frequency output channel;
And the data communication Switching Module, the data communication Switching Module be for computer exchange communication instruction,
Described switching controls module is connected with the data communication Switching Module with power module respectively, and radiofrequency signal is exported to the radio-frequency (RF) output end interface through the input of rf inputs interface through the switching controls module.
According to the utility model of said structure, its feature is that also described main antenna expanding unit is provided with at least one radio-frequency (RF) output end interface.
According to the utility model of said structure, its feature also is, describedly includes from the antenna expanding unit:
Power module, power module are the power supplys that receives by the output of main antenna expanding unit;
Rf inputs interface, rf inputs interface are to be used for receiving by main antenna expanding unit output radiofrequency signal;
Radio frequency cascade output terminal interface, radio frequency cascade output terminal interface be used to send radiofrequency signal to next stage from the antenna expanding unit;
Radio-frequency (RF) output end interface, radio-frequency (RF) output end interface are used to export radiofrequency signal and give the antenna end interface;
The switching controls module, the switching controls module is used to open or close the radio frequency output channel;
And the data communication Switching Module, the data communication Switching Module is used for and main antenna expanding unit exchange communication instruction,
Described switching controls module is connected with the data communication Switching Module with power module respectively, and radiofrequency signal is exported to radio frequency cascade output terminal interface and radio-frequency (RF) output end interface through the input of rf inputs interface through the switching controls module.
According to the utility model of said structure, its feature also is, describedly is provided with at least one radio-frequency (RF) output end interface from the antenna expanding unit.
According to the utility model of said structure, its feature is that also described radio frequency cascade output interface from the antenna expanding unit is connected one from the antenna expanding unit.
According to the utility model of said structure, its feature also is, described main antenna expanding unit be connected through concentric cable from the antenna expanding unit.
The utility model according to said structure, its beneficial effect is, the utility model can realize maximum 256 antenna end interfaces are connected to simultaneously a radio-frequency (RF) output end mouth of a UHF rfid interrogator, and realizes the management control to 256 each and every one antenna end interfaces under computer control.In a control cycle, can open 256 appointment one tunnel radio-frequency channels in the antenna end interface, in the situation that the radio frequency power output that guarantees the UHF rfid interrogator is not lowered, obtain bigger read range and read effect.It is simple in structure, dependable performance, easy to use, with low cost.
[description of drawings]
Accompanying drawing 1 is a user mode connection layout of the present utility model;
Accompanying drawing 2 is the structured flowchart of the utility model main antenna expanding unit;
Accompanying drawing 3 is the structural drawing of the antennal interface face of the utility model main antenna expanding unit;
Accompanying drawing 4 is the structural drawing of the communication interface face of the utility model main antenna expanding unit;
Accompanying drawing 5 is the structured flowchart of the utility model from the antenna expanding unit;
Accompanying drawing 6 is the structural drawing of the utility model from antenna expanding unit rf input interface face;
Accompanying drawing 7 is the structural drawing of the utility model from antenna expanding unit radio frequency output interface face.
In the accompanying drawings: 1, rfid interrogator; 2, main antenna expanding unit; 21, rf inputs interface; 22, radio-frequency (RF) output end interface; 23, power module; 24, switching controls module; 25, data communication Switching Module; 3, from the antenna expanding unit; 31, radio frequency cascade output terminal interface; 32, rf inputs interface; 33, radio-frequency (RF) output end interface; 34, power module; 35, switching controls module; 36, data communication Switching Module; 4, antenna.
[embodiment]
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
As shown in Figure 1, a kind of UHF RFID antenna expanding unit, comprise rfid interrogator 1, antenna 4, it is characterized in that, comprise main antenna expanding unit 2 and from antenna expanding unit 3, main antenna expanding unit 2 be connected from antenna expanding unit 3, described main antenna expanding unit 2 is connected with rfid interrogator 1, described main antenna expanding unit 2 be connected from antenna expanding unit 3 or antenna 4, describedly be connected with antenna 4 from antenna expanding unit 3.
Described radio frequency cascade output interface 31 from antenna expanding unit 3 is connected one from antenna expanding unit 3.
Described main antenna expanding unit 2 be connected through concentric cable from antenna expanding unit 3, this concentric cable can transmit the data communication signal, radiofrequency signal also can transmit power supply simultaneously.
As shown in Figure 2, described main antenna expanding unit 2 includes:
Radio-frequency (RF) output end interface 22, radio-frequency (RF) output end interface 22 are to be used for radiofrequency signal is exported to from antenna expanding unit 3 or antenna 4;
And data communication Switching Module 25, data communication Switching Module 25 is to be used for and computer exchange communication instruction,
Described switching controls module 24 is connected with data communication Switching Module 25 with power module 23 respectively, and radiofrequency signal is exported to radio-frequency (RF) output end 22 interfaces through 21 inputs of rf inputs interface through switching controls module 24.
Shown in accompanying drawing 3, accompanying drawing 4, described main antenna expanding unit 2 is provided with at least one radio-frequency (RF) output end interface 22.
As shown in Figure 5, describedly include from antenna expanding unit 3:
Power module 34, power module 34 are the power supplys that are used to receive by 2 outputs of main antenna expanding unit;
Radio frequency cascade output terminal interface 31, radio frequency cascade output terminal interface 31 be used to send radiofrequency signal to next stage from antenna expanding unit 3;
Radio-frequency (RF) output end interface 33, radio-frequency (RF) output end interface 33 are to be used to export radiofrequency signal to give antenna 4 end interfaces;
Switching controls module 35, switching controls module 35 are to be used to open or close the radio frequency output channel;
And data communication Switching Module 36, data communication Switching Module 36 is to be used for and main antenna expanding unit 2 exchange communication instructions,
Described switching controls module 35 is connected with data communication Switching Module 36 with power module 34 respectively, and radiofrequency signal is exported to radio frequency cascade output terminal interface 31 and radio-frequency (RF) output end interface 33 through 32 inputs of rf inputs interface through switching controls module 35.
Shown in accompanying drawing 6, accompanying drawing 7, describedly be provided with at least one radio-frequency (RF) output end interface 33 from antenna expanding unit 3.
Though the utility model is described with reference to the above embodiments; but those of ordinary skill in the art can recognize very clearly that fully above embodiment is used to illustrate the utility model; wherein can make variations and modifications and not break away from the utility model in a broad sense; so be not that conduct is to qualification of the present utility model; as long as in connotation scope of the present utility model, all will fall within the protection domain that the utility model requires variation, the distortion of above-described embodiment.
Claims (7)
1. UHF RFID antenna expanding unit, comprise rfid interrogator, antenna, it is characterized in that: also comprise the main antenna expanding unit and from the antenna expanding unit, the main antenna expanding unit be connected from the antenna expanding unit, described main antenna expanding unit is connected with rfid interrogator, described main antenna expanding unit be connected from antenna expanding unit or antenna, describedly be connected with antenna from the antenna expanding unit.
2. a kind of UHF RFID antenna expanding unit according to claim 1, its feature also is: described main antenna expanding unit includes:
Power module, power module are for main antenna expanding unit direct supply is provided;
Rf inputs interface, rf inputs interface are the radiofrequency signals for the radio-frequency (RF) output end interface output that receives rfid interrogator;
Radio-frequency (RF) output end interface, radio-frequency (RF) output end interface are for radiofrequency signal being exported to from antenna expanding unit or antenna;
Switching controls module, switching controls module are for opening or closing the radio frequency output channel;
And the data communication Switching Module, the data communication Switching Module be for computer exchange communication instruction,
Described switching controls module is connected with the data communication Switching Module with power module respectively, and radiofrequency signal is exported to the radio-frequency (RF) output end interface through the input of rf inputs interface through the switching controls module.
3. a kind of UHF RFID antenna expanding unit according to claim 1 and 2, its feature also is: described main antenna expanding unit is provided with at least one radio-frequency (RF) output end interface.
4. a kind of UHF RFID antenna expanding unit according to claim 1, its feature also is: describedly include from the antenna expanding unit:
Power module, power module are the power supplys that receives by the output of main antenna expanding unit;
Rf inputs interface, rf inputs interface are to be used for receiving by main antenna expanding unit output radiofrequency signal;
Radio frequency cascade output terminal interface, radio frequency cascade output terminal interface be used to send radiofrequency signal to next stage from the antenna expanding unit;
Radio-frequency (RF) output end interface, radio-frequency (RF) output end interface are used to export radiofrequency signal and give the antenna end interface;
The switching controls module, the switching controls module is used to open or close the radio frequency output channel;
And the data communication Switching Module, the data communication Switching Module is used for and main antenna expanding unit exchange communication instruction,
Described switching controls module is connected with the data communication Switching Module with power module respectively, and radiofrequency signal is exported to radio frequency cascade output terminal interface and radio-frequency (RF) output end interface through the input of rf inputs interface through the switching controls module.
5. according to claim 1 or 4 described a kind of UHF RFID antenna expanding units, its feature also is: describedly be provided with at least one radio-frequency (RF) output end interface from the antenna expanding unit.
6. according to claim 1 or 4 described a kind of UHF RFID antenna expanding units, its feature also is: described radio frequency cascade output interface from the antenna expanding unit is connected one from the antenna expanding unit.
7. a kind of UHF RFID antenna expanding unit according to claim 1, its feature also is: described main antenna expanding unit be connected through concentric cable from the antenna expanding unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205930381U CN201859463U (en) | 2010-11-01 | 2010-11-01 | UHF (ultra high frequency) RFID (radiofrequency identification device) antenna extension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205930381U CN201859463U (en) | 2010-11-01 | 2010-11-01 | UHF (ultra high frequency) RFID (radiofrequency identification device) antenna extension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201859463U true CN201859463U (en) | 2011-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205930381U Expired - Fee Related CN201859463U (en) | 2010-11-01 | 2010-11-01 | UHF (ultra high frequency) RFID (radiofrequency identification device) antenna extension device |
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| Country | Link |
|---|---|
| CN (1) | CN201859463U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646263A (en) * | 2013-12-26 | 2014-03-19 | 威海北洋电气集团股份有限公司 | Radio frequency identification (RFID) cascade connection channel device |
| CN107886019A (en) * | 2016-09-30 | 2018-04-06 | 西门子公司 | Cascade device and antenna cascade system |
-
2010
- 2010-11-01 CN CN2010205930381U patent/CN201859463U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103646263A (en) * | 2013-12-26 | 2014-03-19 | 威海北洋电气集团股份有限公司 | Radio frequency identification (RFID) cascade connection channel device |
| CN103646263B (en) * | 2013-12-26 | 2017-03-01 | 威海北洋电气集团股份有限公司 | Rfid cascade channel device |
| CN107886019A (en) * | 2016-09-30 | 2018-04-06 | 西门子公司 | Cascade device and antenna cascade system |
| CN107886019B (en) * | 2016-09-30 | 2021-03-05 | 西门子公司 | Cascade device and antenna cascade system |
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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: 20110608 Termination date: 20171101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |