CN106503602A - 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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- CN106503602A CN106503602A CN201610929837.3A CN201610929837A CN106503602A CN 106503602 A CN106503602 A CN 106503602A CN 201610929837 A CN201610929837 A CN 201610929837A CN 106503602 A CN106503602 A CN 106503602A
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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, and the device includes：Channel switching module, it include multiple gate radio-frequency channel, the one end that can respectively gate radio-frequency channel is connected to a radio-frequency antenna interface, can respectively gate radio-frequency channel the other end be commonly connected to one for connection 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 second radio frequency interface for supplying to be cascaded；Control module, it is connected to channel switching module, receive the switching control order of external equipment and conducting is switched over according to switching control order to currently 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, can achieve and the cascade on distinct device, and the radio-frequency antenna of requirement can be reached by the cascade between multiple devices to extend.
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 technology
Conventional RFID system includes following four part：Label, antenna, reader and connection antenna and reader radio frequency
Cable, and reader is more based on an antennal interface.In actual applications, it is saving system holistic cost, needs a reading
Write device and connect multiple antennas, manage multiple identification passages.Therefore need to develop a kind of antenna expansion structure, to solve multiple antennas identification
Application.
Content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of method of multiple antennas extension and
Device, for solving the problems, such as that radio-frequency antenna more difficult and practicality in extension connection is not high in prior art.
For achieving the above object and other related purposes, the present invention provides technical scheme below：
A kind of device for supporting multiple antennas to extend, including：Channel switching module, its at least include：Multiple gate radio frequency
Passage, each described one end for gating radio-frequency channel are connected to a radio-frequency antenna interface, each described gate radio-frequency channel
The other end be commonly connected to one for connection 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 another
End is connected to second radio frequency interface for supplying to be cascaded；Control module, is connected to the channel switching module, receives outer
The switching control order of portion's equipment is simultaneously cut according to described to presently described multiple radio-frequency antennas connected on radio-frequency channel that gate
Change control command and switch over conducting.
In a preferred embodiment, the channel switching module includes that forming the plurality of radio frequency that gates for establishment leads to
The first switch unit and second switch unit in road, and for drive the first switch unit and second switch unit by
The plurality of combinational logic drive circuit unit for gating arbitrary 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 be a piece of SPDT, the second switch unit be SP4T, institute
The moved end for stating SPDT is connected on first radio frequency interface, and the not moved end of the SPDT is coordinated with the moved end of the SP4T and connected
Connect, the not moved end of the SP4T is respectively connected on radio-frequency antenna interface described in.
In a preferred embodiment, second radio frequency interface is connected to arbitrary not moved end of the SPDT.
In a preferred embodiment, also include：For indicating the display module of the radio-frequency channel of current conducting, it is connected to each
Described 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
The corresponding indicator lamp of amount.
In a preferred embodiment, the control module is programmable logic controller (PLC).
In a preferred embodiment, also include power module, the electric module of the respectively need being connected in described device.
Additionally, present invention also offers a kind of support multiple antennas extend method, by by an any of the above-described scheme
The extension of support multi-port antenna device or the dress by the extension of 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 put supporting between a reader and many antennas
Connection, wherein, the reader is connected on the first radio frequency interface of the device for supporting multi-port antenna extension, described many
Root antenna is connected on the radio-frequency antenna interface.
As described above, the invention has the advantages that：The present invention is by modularized design come there is provided a kind of independent
Antenna expanding unit, it is possible to achieve with the cascade on distinct device, and can be reached by the cascade between multiple devices
Radio-frequency antenna to wanted quantity extends.
Description of the drawings
Fig. 1 is shown as a kind of schematic diagram of the device for supporting multiple antennas extension of the present invention.
Fig. 2 is shown as a kind of device for supporting multiple antennas extension of present invention schematic diagram 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 driver elements
20 control modules
30 second radio frequency interfaces
40 first radio frequency interfaces
50 display modules
60 power modules
Specific embodiment
Embodiments of the present invention are described below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through in addition different concrete realities
The mode of applying is carried out or applies, and the every details in this specification can also be based on different viewpoints and application, without departing from
Various modifications and changes are carried out under the spirit of the present invention.It should be noted that, in the case where not conflicting, following examples and enforcement
Feature in example can be mutually combined.
It should be noted that the diagram provided in following examples only illustrates the basic structure of the present invention in a schematic way
Think, only show then the component relevant with the present invention in schema rather than according to component count during actual enforcement, shape and size
Draw, which is actual when the implementing kenel of each component, quantity and ratio can be a kind of random change, and its assembly layout kenel
It is likely more complexity.
See Fig. 1, the present embodiment provides a kind of device for supporting multiple antennas to extend, its can include a channel switching module with
Control module, wherein, channel switching module at least includes：Multiple gate radio-frequency channel, each radio-frequency channel that gates
One end is connected to a radio-frequency antenna interface, and each other end for gating radio-frequency channel is commonly connected to one for connection
First radio frequency interface of external equipment；At least one non-gated radio-frequency channel, one end of each non-gated radio-frequency channel are common
Be connected to first radio frequency interface, the other end of each non-gated radio-frequency channel be connected to one for cascaded the
Two radio frequency interfaces；Additionally, control module is connected to the channel switching module, for receiving the switching control order of external equipment
And presently described multiple radio-frequency antennas connected on radio-frequency channel that gate are switched over according to the switching control order and led
Logical.
Said apparatus can be used as an independent module, it is possible to use needed to carry out antenna extension various
Equipment on, the scope of application is wider, in addition, by multiple radio-frequency channels for setting up in channel switching module supporting many radio frequency days
Line extension connection, and can realize by the second radio frequency interface that multiple devices carry out cascade extension, such that it is able to according to tool
Body needs the antenna to realize any requirement to extend, and practicality is higher.
As a preferred embodiment of said apparatus, can be designed as gating radio-frequency channel with 4 by the device
With the structure of 1 non-gated radio-frequency channel, concrete scheme is as follows.
Seeing, Fig. 2, channel switching module include the plurality of first switch list for gating radio-frequency channel being formed for setting up
Unit and second switch unit, and be used for driving the first switch unit and second switch unit to gate the plurality of
The combinational logic drive circuit unit of arbitrary 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 being embodied as, first switch unit can be a piece of SPDT, and the second switch unit can be a piece of
The moved end of SP4T, the SPDT is connected on first radio frequency interface, the not moved end of the SPDT and the moved end of the SP4T
It is connected, the not moved end of the SP4T is respectively connected on radio-frequency antenna interface described in, and second radio frequency interface is connected to
Arbitrary not moved end of the SPDT.The so individual radio-frequency channel that can form 4 gateable radio-frequency channels and a non-gated.
In being embodied as, the combinational logic drive circuit unit can be the logic that transistor or FET are constituted
Drive circuit, concrete implementation form specifically can need to be designed or refer to prior art, and the present invention does not limit group
The way of realization of logical drive circuit unit.
In above preferred embodiment, the workflow of device is as follows：
1st, control unit receives and parses through upper strata switching control order first, and drives combinational logic electricity according to different command
Road；
2nd, combinational logic circuit control first switch unit and second switch unit, realize the combination die of cascaded RF passage
Formula；
3rd, wherein first switch unit is made up of 1 SPDT, realizes that second switch unit is by 1 by 1 point 2 of radiofrequency signal
SP4T is constituted, and is realized 1 point 4 of radiofrequency signal；
4th, signal is input to this device by the first radio frequency interface, and wherein first switch unit wherein 1 road signal is used as extension
Cascade signal, is directly exported by the second radio frequency interface；Another road signal input to second switch unit as SP4T output
Signal；
When the 5th, needing to extend more than 4 antenna applications, one group of this switching device need to be only further added by, and by first switch unit
Input signal of the expansion cascading signal of output as switching device, you can realize the application of 8 antennas, more antennas application with
This analogizes.
In a preferred embodiment, in conjunction with Fig. 2, the device can also be included for indicating the radio-frequency channel of current conducting
Display module, is connected to each described 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 lamp, for example, in conjunction with above preferred embodiment, can be 5 LEDs, and wherein 1 is connected on non-gated radio-frequency channel,
Other 4 are connected to and can gate on radio-frequency channel, as long as arbitrary channel connection just lights the LED etc., 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, it is possible to be single-chip microcomputer,
The controllers such as FPGA or ARM.
In a preferred embodiment, in conjunction with Fig. 2, the device can also include power module, be connected to described device
In respectively need electric module, for example power to control module, and power to display module.
In sum, the present invention by modularized design come there is provided a kind of independent antenna expanding unit, it is possible to achieve
With the cascade on distinct device, and can by between multiple devices cascade come reach want quantity radio-frequency antenna expansion
Exhibition.So, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The principle and its effect of above-described embodiment only illustrative present invention, of the invention not for limiting.Any ripe
The personage for knowing this technology all can carry out modifications and changes to above-described embodiment under the spirit and the scope without prejudice to the present invention.Cause
This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (9)
1. a kind of support multiple antennas extend device, it is characterised in that include：
Channel switching module, its at least include：
Multiple gate radio-frequency channel, each described one end for gating 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 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 second radio frequency interface for supplying to be cascaded；
Control module, is connected to the channel switching module, receives the switching control order of external equipment and to presently described many
The individual radio-frequency antenna connected on radio-frequency channel that gates switches over conducting according to the switching control order.
2. the device that support multi-port antenna according to claim 1 extends, it is characterised in that：The channel switching module
Including forming the plurality of first switch unit and second switch unit for gating radio-frequency channel for setting up, and it is used for driving
Move the first switch unit and second switch unit arbitrary radio-frequency channel conducting in radio-frequency channel is gated by the plurality of
Combinational logic drive circuit unit, the combinational logic drive circuit unit be connected to the first switch unit,
Two switch elements.
3. the device that support multi-port antenna according to claim 2 extends, 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 not moved end of SPDT is connected with the moved end of the SP4T, and the not moved end of the SP4T is respectively connected on radio-frequency antenna described in
Interface.
4. the device that support multi-port antenna according to claim 3 extends, it is characterised in that：Second radio frequency interface
It is connected to arbitrary not moved end of the SPDT.
5. the device that support multi-port antenna according to claim 1 extends, it is characterised in that：Also include：
For indicating the display module of the radio-frequency channel of current conducting, it is connected to and each described gates radio-frequency channel and non-gated is penetrated
On frequency passage.
6. the device that support multi-port antenna according to claim 5 extends, it is characterised in that：The display module be with
Described gate the radio-frequency channel indicator lamp corresponding with non-gated radio-frequency channel quantity.
7. the device that support multi-port antenna according to claim 1 extends, it is characterised in that：Also include power module,
The respectively need electricity module being connected in described device.
8. according to the device of the arbitrary described support multi-port antenna extension of claim 1-7, 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, it is characterised in that by will be arbitrary described in claim 1-8
Support multi-port antenna extension device or by arbitrary described support multiport day in multiple claims 1-8
In the device of line extension, connection between the first radio frequency interface and the second radio frequency interface is supporting a reader with many
Connection between antenna, wherein, the reader is connected to the first radio frequency of the device for supporting multi-port antenna extension and connects
On mouth, many 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 true CN106503602A (en) | 2017-03-15 |
| CN106503602B CN106503602B (en) | 2019-03-29 |
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ID=58319060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610929837.3A Active CN106503602B (en) | 2016-10-31 | 2016-10-31 | A kind of method and apparatus of multiple antennas extension |
Country Status (1)
| Country | Link |
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| CN (1) | CN106503602B (en) |
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 |
|---|---|
| CN106503602B (en) | 2019-03-29 |
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