CN106503602B - A kind of method and apparatus of multiple antennas extension - Google Patents
A kind of method and apparatus of multiple antennas extension Download PDFInfo
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- CN106503602B CN106503602B CN201610929837.3A CN201610929837A CN106503602B CN 106503602 B CN106503602 B CN 106503602B CN 201610929837 A CN201610929837 A CN 201610929837A CN 106503602 B CN106503602 B CN 106503602B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
- G06K7/10356—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers using a plurality of antennas, e.g. configurations including means to resolve interference between the plurality of antennas
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Abstract
The present invention provides a kind of method and apparatus of multiple antennas extension, the device includes: channel switching module, it includes multiple gating radio-frequency channel, one end that radio-frequency channel can respectively be gated is connected to a radio-frequency antenna interface, can respectively gate radio-frequency channel the other end be commonly connected to one for connect external equipment the first radio frequency interface；At least one non-gated radio-frequency channel, one end of each non-gated radio-frequency channel are commonly connected to the first radio frequency interface, and the other end of each non-gated radio-frequency channel is connected to one for carrying out cascade second radio frequency interface；Control module, it is connected to channel switching module, it receives the switching control order of external equipment and conducting is switched over according to switching control order to current multiple radio-frequency antennas connected on radio-frequency channel that gate, the present invention provides a kind of independent antenna expanding unit by modularized design, the achievable cascade on distinct device, and required amount of radio-frequency antenna extension can be reached by the cascade between multiple devices.
Description
Technical field
The present invention relates to radio frequency arts, more particularly to a kind of method and apparatus of multiple antennas extension.
Background technique
Conventional RFID system includes following four part: label, antenna, reader and the radio frequency for connecting antenna and reader
Cable, and reader is mostly based on an antennal interface.In practical applications, to save system overall cost, a reading is needed
Device connection mutiple antennas is write, multiple identification channels are managed.Therefore need to develop a kind of antenna expansion structure, to solve multiple antennas identification
Application.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of multiple antennas extension method and
Device, for solving the problems, such as that radio-frequency antenna more difficulty and practicability in extension connection be not high in the prior art.
In order to achieve the above objects and other related objects, the present invention the following technical schemes are provided:
A kind of device for supporting multiple antennas to extend, comprising: channel switching module includes at least: multiple to gate radio frequency
Channel, each described one end that can gate radio-frequency channel are connected to a radio-frequency antenna interface, each described to gate radio-frequency channel
The other end be commonly connected to one for connect external equipment the first radio frequency interface；At least one non-gated radio-frequency channel, respectively
One end of the non-gated radio-frequency channel is commonly connected to first radio frequency interface, each non-gated radio-frequency channel it is another
End is connected to one for carrying out cascade second radio frequency interface；Control module is connected to the channel switching module, receives outer
The switching control order of portion's equipment simultaneously cuts presently described multiple radio-frequency antennas connected on radio-frequency channel that gate according to described
It changes control command and switches over conducting.
In a preferred embodiment, the channel switching module includes forming the multiple radio frequency that gates for establishment to lead to
The first switch unit and second switch unit in road, and for drive the first switch unit and second switch unit by
The multiple combinational logic drive circuit unit for gating any radio-frequency channel conducting in radio-frequency channel, the combinational logic drive
Dynamic circuit unit is connected to the first switch unit, second switch unit.
In a preferred embodiment, the first switch unit is a piece of SPDT, and the second switch unit is SP4T, institute
The moved end for stating SPDT is connected on first radio frequency interface, and the moved end of the non-moving end of the SPDT and the SP4T, which cooperate, to be connected
It connects, the non-moving end of the SP4T is respectively connected on a radio-frequency antenna interface.
In a preferred embodiment, second radio frequency interface is connected to any non-moving end of the SPDT.
In a preferred embodiment, further includes: be used to indicate the display module of the radio-frequency channel be currently connected, be connected to each
It is described to gate on radio-frequency channel and non-gated radio-frequency channel.
In a preferred embodiment, the display module is to gate radio-frequency channel and non-gated radio-frequency channel number with described
Measure corresponding indicator light.
In a preferred embodiment, the control module is programmable logic controller (PLC).
It in a preferred embodiment, further include power module, the electric module of each need being connected in described device.
In addition, the present invention also provides a kind of methods for supporting multiple antennas to extend, by will be in an any of the above-described scheme
The extension of support multi-port antenna device or the dress that is extended by support multi-port antenna in multiple any of the above-described schemes
The connection between the first radio frequency interface and the second radio frequency interface is set to support between the reader and more antennas
Connection, wherein the reader is connected on the first radio frequency interface of the device of the support multi-port antenna extension, described more
Root antenna is connected on the radio-frequency antenna interface.
As described above, the invention has the following advantages: the present invention provides a kind of independence by modularized design
Antenna expanding unit, may be implemented with the cascade on distinct device, and can be reached by the cascade between multiple devices
Radio-frequency antenna to wanted quantity extends.
Detailed description of the invention
Fig. 1 is shown as a kind of schematic diagram for the device for supporting multiple antennas to extend of the present invention.
Fig. 2 is shown as a kind of schematic diagram of device for supporting multiple antennas to extend of the present invention in one embodiment.
Drawing reference numeral explanation
1 device
10 channel switching modules
101 first switch units
102 second switch units
103 combinational logic circuit driving units
20 control modules
30 second radio frequency interfaces
40 first radio frequency interfaces
50 display modules
60 power modules
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
It should be noted that illustrating the basic structure that only the invention is illustrated in a schematic way provided in following embodiment
Think, only shown in schema then with related component in the present invention rather than component count, shape and size when according to actual implementation
Draw, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout kenel
It is likely more complexity.
See Fig. 1, the present embodiment provides it is a kind of support multiple antennas extend device, may include a channel switching module and
Control module, wherein channel switching module includes at least: it is multiple to gate radio-frequency channel, it is each described to gate radio-frequency channel
One end is connected to a radio-frequency antenna interface, and each other end that can gate radio-frequency channel is commonly connected to one for connection
First radio frequency interface of external equipment；One end of at least one non-gated radio-frequency channel, each non-gated radio-frequency channel is common
It is connected to first radio frequency interface, the other end of each non-gated radio-frequency channel is connected to one for carrying out cascade the
Two radio frequency interfaces；In addition, control module is connected to the channel switching module, for receiving the switching control order of external equipment
And to it is presently described it is multiple gate the radio-frequency antenna connected on radio-frequency channel and switched over according to the switching control order lead
It is logical.
Above-mentioned apparatus can be used as an independent module and carry out using can be used and need to carry out antenna extension various
Equipment on, the scope of application is wider, in addition, supporting more radio frequency days by the multiple radio-frequency channels set up in channel switching module
Line extension connection, and can realize that multiple devices carry out cascade extension by the second radio frequency interface, so as to according to tool
Body needs to realize any required amount of antenna extension, and practicability is higher.
As a preferred embodiment of above-mentioned apparatus, which can be designed as, which has 4, can gate radio-frequency channel
With the structure of 1 non-gated radio-frequency channel, concrete scheme is as follows.
See Fig. 2, channel switching module includes forming the multiple first switch list for gating radio-frequency channel for setting up
Member and second switch unit, and for driving the first switch unit and second switch unit to gate the multiple
The combinational logic drive circuit unit of any radio-frequency channel conducting in radio-frequency channel, the combinational logic drive circuit unit difference
It is connected to the first switch unit, second switch unit.
In specific implementation, first switch unit can be a piece of SPDT, and the second switch unit can be a piece of
SP4T, the moved end of the SPDT are connected on first radio frequency interface, the moved end of the non-moving end of the SPDT and the SP4T
It is cooperatively connected, the non-moving end of the SP4T is respectively connected on a radio-frequency antenna interface, and second radio frequency interface is connected to
Any non-moving end of the SPDT.It is a in this way to form 4 gateable radio-frequency channels and a non-gated radio-frequency channel.
In specific implementation, which can be transistor or the logic of field-effect tube composition
Driving circuit, concrete implementation form specifically can need to be designed or with reference to the prior arts, the present invention not restriction group
The way of realization of logical drive circuit unit.
The workflow of device is as follows in above preferred embodiment:
1, control unit receives and parses through upper layer switching control order first, and drives combinational logic electricity according to different command
Road；
2, combinational logic circuit control first switch unit and second switch unit, realize the combination die in cascaded RF channel
Formula；
3, wherein first switch unit is made of 1 SPDT, is realized and is divided 2 for radiofrequency signal 1, second switch unit is by 1
SP4T is constituted, and is realized and is divided 4 for radiofrequency signal 1；
4, signal is input to the present apparatus by the first radio frequency interface, and wherein wherein 1 road signal is used as extension to first switch unit
Cascade signal is directly exported by the second radio frequency interface；Another way signal is input to output of the second switch unit as SP4T
Signal；
5, when needing to extend 4 or more antenna applications, only one group of this switching device need to be further added by, and by first switch unit
Input signal of the expansion cascading signal of output as switching device, can be realized the application of 8 antennas, more antennas apply with
This analogizes.
In a preferred embodiment, in conjunction with Fig. 2, which can also include being used to indicate the radio-frequency channel be currently connected
Display module is connected to each described can gate on radio-frequency channel and non-gated radio-frequency channel.
Specifically, the display module is to gate radio-frequency channel and non-gated radio-frequency channel quantity is corresponding with described
Indicator light, for example, can be 5 LED light in conjunction with above preferred embodiment, wherein 1 is connected on non-gated radio-frequency channel,
Other 4 are connected to and can gate on radio-frequency channel, light the LED etc. as long as the connection of any channel, play suggesting effect and judgement
Radio-frequency channel whether there is failure.
In a preferred embodiment, the control module be programmable logic controller (PLC), for example, can for single-chip microcontroller,
The controllers such as FPGA or ARM.
In a preferred embodiment, in conjunction with Fig. 2, which can also include power module, be connected to described device
In it is each need electric module, such as give control module power supply, and give display module power supply.
In conclusion the present invention provides a kind of independent antenna expanding unit by modularized design, may be implemented
With the cascade on distinct device, and can by between multiple devices cascade come reach wanted quantity radio-frequency antenna expand
Exhibition.So the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (9)
1. a kind of device for supporting multi-port antenna to extend characterized by comprising
Channel switching module includes at least:
Multiple to gate radio-frequency channel, each described one end that can gate radio-frequency channel is connected to a radio-frequency antenna interface, respectively
The other end for gating radio-frequency channel is commonly connected to the first radio frequency interface one for connection external equipment；
At least one non-gated radio-frequency channel, one end of each non-gated radio-frequency channel are commonly connected to first radio frequency and connect
Mouthful, the other end of each non-gated radio-frequency channel is connected to one for carrying out cascade second radio frequency interface；
Control module is connected to the channel switching module, receives the switching control order of external equipment and to presently described more
A radio-frequency antenna connected on radio-frequency channel that gates switches over conducting according to the switching control order.
2. the device according to claim 1 for supporting multi-port antenna extension, it is characterised in that: the channel switching module
Including forming the multiple first switch unit and second switch unit for gating radio-frequency channel for setting up, and for driving
It moves the first switch unit and second switch unit and gates any radio-frequency channel conducting in radio-frequency channel for the multiple
Combinational logic drive circuit unit, the combinational logic drive circuit unit is connected to the first switch unit,
Two switch units.
3. the device according to claim 2 for supporting multi-port antenna extension, it is characterised in that: the first switch unit
For a piece of SPDT, the second switch unit is SP4T, and the moved end of the SPDT is connected on first radio frequency interface, described
The non-moving end of SPDT and the moved end of the SP4T are cooperatively connected, and the non-moving end of the SP4T is respectively connected on a radio-frequency antenna
Interface.
4. the device according to claim 3 for supporting multi-port antenna extension, it is characterised in that: second radio frequency interface
It is connected to any non-moving end of the SPDT.
5. the device according to claim 1 for supporting multi-port antenna extension, it is characterised in that: further include:
It is used to indicate the display module of the radio-frequency channel be currently connected, being connected to each described can gate radio-frequency channel and non-gated penetrate
On frequency channel.
6. it is according to claim 5 support multi-port antenna extension device, it is characterised in that: the display module be with
It is described to gate radio-frequency channel and the corresponding indicator light of non-gated radio-frequency channel quantity.
7. the device according to claim 1 for supporting multi-port antenna extension, it is characterised in that: it further include power module,
The electric module of each need being connected in described device.
8. the device of -7 any support multi-port antenna extensions according to claim 1, it is characterised in that: the control mould
Block is programmable logic controller (PLC).
9. a kind of method for supporting multiple antennas to extend, which is characterized in that by will in a claim 1-8 it is any described
Support multi-port antenna extension device or pass through multiple support multiport days described in any one of claims 1-8
A reader and more antennas are supported in connection between first radio frequency interface and the second radio frequency interface in the device of line extension
Between connection, wherein the reader be connected to it is described support multi-port antenna extension device the first radio frequency interface on,
The more antennas are connected on the radio-frequency antenna interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610929837.3A CN106503602B (en) | 2016-10-31 | 2016-10-31 | A kind of method and apparatus of multiple antennas extension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610929837.3A CN106503602B (en) | 2016-10-31 | 2016-10-31 | A kind of method and apparatus of multiple antennas extension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106503602A CN106503602A (en) | 2017-03-15 |
| CN106503602B true CN106503602B (en) | 2019-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610929837.3A Active CN106503602B (en) | 2016-10-31 | 2016-10-31 | A kind of method and apparatus of multiple antennas extension |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201522715U (en) * | 2009-04-12 | 2010-07-07 | 万诚电子科技有限公司 | Radio frequency identification reader |
| CN101814924A (en) * | 2009-02-24 | 2010-08-25 | 联想(北京)有限公司 | Mobile terminal and method for switching frequency bands |
| CN102354370A (en) * | 2011-09-23 | 2012-02-15 | 厦门市英诺尔电子科技有限公司 | RFID (radio frequency identification) ultrahigh-frequency reader-writer containing multichannel antenna expansion circuit |
-
2016
- 2016-10-31 CN CN201610929837.3A patent/CN106503602B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101814924A (en) * | 2009-02-24 | 2010-08-25 | 联想(北京)有限公司 | Mobile terminal and method for switching frequency bands |
| CN201522715U (en) * | 2009-04-12 | 2010-07-07 | 万诚电子科技有限公司 | Radio frequency identification reader |
| CN102354370A (en) * | 2011-09-23 | 2012-02-15 | 厦门市英诺尔电子科技有限公司 | RFID (radio frequency identification) ultrahigh-frequency reader-writer containing multichannel antenna expansion circuit |
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| Publication number | Publication date |
|---|---|
| CN106503602A (en) | 2017-03-15 |
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