CN208156678U - A kind of hyperfrequency module for reading and writing based on R2000 chip - Google Patents
A kind of hyperfrequency module for reading and writing based on R2000 chip Download PDFInfo
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- CN208156678U CN208156678U CN201820673943.4U CN201820673943U CN208156678U CN 208156678 U CN208156678 U CN 208156678U CN 201820673943 U CN201820673943 U CN 201820673943U CN 208156678 U CN208156678 U CN 208156678U
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- 230000003321 amplification Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 4
- 230000034184 interaction with host Effects 0.000 abstract description 2
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 235000013399 edible fruits Nutrition 0.000 description 1
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Abstract
The utility model discloses a kind of hyperfrequency module for reading and writing based on R2000 chip, including electronic tag, main control part, microwave circuit part, UHF radio-frequency antenna and R2000 chip, it is characterized in that, the periphery of the R2000 chip is provided with power amplification circuit, the electronic tag is more card (label) modes, the main control part completes the interaction with host computer by serial ports or USB interface, and control the working sequence of entire module, main control part carries out order and the transmission of data by serial line interface, main control part connects microwave circuit part and interface section.The hyperfrequency module for reading and writing of the utility model is read to can be used for configuring list, multichannel, handheld device away from remote, high sensitivity.
Description
Technical field
The utility model relates to technical field of RFID, in particular to a kind of hyperfrequency read-write based on R2000 chip
Module.
Background technique
R2000 chip is the ultrahigh frequency reader-writer chip of a high-performance uhf band, it is integrated with frequency mixer, gain filter
The AFE(analog front end)s such as wave device, voltage controlled oscillator, phaselocked loop, D and D/A converter, and built-in ISO/IEC180006C's is complete
Whole protocol processing system.Peripheral control unit only needs to be can be realized by 8 parallel ports or SPI mouthfuls to all logical of R2000 chip
Letter and control.
But since the radio frequency power output of R2000 itself is smaller, cause reading/writing distance shorter, while unstable when more cards
It is fixed, so that being restricted in actual application.
Utility model content
The main purpose of the utility model is to provide a kind of hyperfrequency module for reading and writing based on R2000 chip, to solve to carry on the back
Deficiency present in scape technology.
To achieve the above object, the utility model proposes a kind of hyperfrequency module for reading and writing based on R2000 chip, including
The periphery of electronic tag, main control part, microwave circuit part, UHF radio-frequency antenna and R2000 chip, the R2000 chip is set
It is equipped with power amplification circuit, the electronic tag is more card (label) modes, and the main control part is connect by serial ports or USB
Mouthful complete with the interaction of host computer, and control the working sequence of entire module, main control part by serial line interface carry out order and
The transmission of data, main control part connect microwave circuit part and interface section.
Preferably, the hyperfrequency module for reading and writing further include interface circuit, system power supply, control unit and its periphery,
Radio frequency unit composition, system power supply are the power supply of all circuits.
Preferably, the radio frequency unit is by radio-frequency receiving-transmitting processing unit, radio frequency transmitting channel, radio frequency reception circuit and receipts
Send out control unit composition.
The utility model has the beneficial effects that：The first, it reads away from remote.Stablized with 5dbUHF radio-frequency antenna and is read away within 10 meters
(AZ9662 label), it is farthest to read away from up to 15 meters or more；Stablized with 12dbUHF radio-frequency antenna and is read away from (AZ9662 mark within 30 meters
Label), it is farthest to read away from up to 35 meters or more；The second, high sensitivity：More card (label) modes, read or write speed<It 0.1 second, supports simultaneously
Tag displacements speed is fast, tag identification speed：>700/second；Third, label buffer memory capacity are big：1000 (longest 96bits/
EPC), two kinds of anti-collision modes of EPC and TID are supported.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is a kind of hyperfrequency module for reading and writing functional block diagram based on R2000 chip provided by the embodiment of the utility model；
Fig. 2 is that a kind of hardware of the hyperfrequency module for reading and writing based on R2000 chip provided by the embodiment of the utility model is whole
Body block diagram.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
For its relative importance of indication or suggestion or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection scope within.
In the utility model embodiment, referring to Figures 1 and 2, it is somebody's turn to do the hyperfrequency module for reading and writing based on R2000 chip, packet
Include electronic tag, main control part, microwave circuit part, UHF radio-frequency antenna and R2000 chip, the periphery of the R2000 chip
It is provided with power amplification circuit, so that prevention at radio-frequency port output power reaches 30dBm or more, the electronic tag is more card (marks
Label) mode, in application, the antenna of different gains can be selected to cope with actual demand, with the stable reading of 5dbUHF radio-frequency antenna away from 10 meters
Within (AZ9662 label), it is farthest to read away from up to 15 meters or more；Stablized with 12dbUHF radio-frequency antenna and is read away within 30 meters
(AZ9662 label), it is farthest to read away from up to 35 meters or more；Meanwhile more card (label) modes, read or write speed<0.1 second, and support
Tag displacements speed is fast, tag identification speed：>700/second；Label buffer memory capacity is big：1000 (longest 96bits/EPC),
Two kinds of anti-collision modes of EPC and TID of support.The main control part completes the interaction with host computer by serial ports or USB interface,
And the working sequence of entire module is controlled, main control part carries out order and the transmission of data by serial line interface, and main control part connects
Connect microwave circuit part and interface section.
Further, the hyperfrequency module for reading and writing further includes interface circuit, system power supply, control unit and its outer
It encloses, radio frequency unit composition, system power supply is the power supply of all circuits.
Further, the radio frequency unit by radio-frequency receiving-transmitting processing unit, radio frequency transmitting channel, radio frequency reception circuit and
Transmitting-receiving control unit composition.
The embedded program of main control part internal operation, for completing and the communication of host computer and control whole system fortune
Row completes the operation to label.External interface circuit is for realizing the communication with host computer or embedded system module, Ke Yitong
Three-wire system RS232 serial ports and hi-speed USB interface are crossed to complete, power circuit completes pressure stabilizing or level conversion function, provides satisfaction
Each road power supply of system requirements.
After main control part receives the instruction of host computer, by way of data and instruction is written to the register of R2000
Control the transmitting and reception of rf data.When emitting data, that is responsible for generating when coding, the generation communication of data penetrates R2000
Frequency carrier wave simultaneously after coding data load get on, formed modulating wave, the radiofrequency signal modulated after transmit circuit by
Transceiver controller part reaches antenna, and heavenwards are radiate.R2000 after data battery has fired, need to continue emit carrier wave to
The electronic tag on periphery provides energy and knows the primary communication of completion；When receiving data, it receives circuit and completes the reception of data, inspection
Wave, decoding and by data back to main control part.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (3)
1. a kind of hyperfrequency module for reading and writing based on R2000 chip, including electronic tag, main control part, microwave circuit part,
UHF radio-frequency antenna and R2000 chip, which is characterized in that the periphery of the R2000 chip is provided with power amplification circuit, institute
The electronic tag stated is more card (label) modes, and the main control part completes the friendship with host computer by serial ports or USB interface
Mutually, and the working sequence of entire module is controlled, main control part carries out order and the transmission of data, main control part by serial line interface
Connect microwave circuit part and interface section.
2. a kind of hyperfrequency module for reading and writing based on R2000 chip as described in claim 1, which is characterized in that described is super
High frequency module for reading and writing further includes interface circuit, system power supply, control unit and its periphery, radio frequency unit composition, and system power supply is
All circuit power supplies.
3. a kind of hyperfrequency module for reading and writing based on R2000 chip as claimed in claim 2, which is characterized in that described penetrates
Frequency unit is made of radio-frequency receiving-transmitting processing unit, radio frequency transmitting channel, radio frequency reception circuit and transmitting-receiving control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820673943.4U CN208156678U (en) | 2018-05-08 | 2018-05-08 | A kind of hyperfrequency module for reading and writing based on R2000 chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820673943.4U CN208156678U (en) | 2018-05-08 | 2018-05-08 | A kind of hyperfrequency module for reading and writing based on R2000 chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208156678U true CN208156678U (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820673943.4U Expired - Fee Related CN208156678U (en) | 2018-05-08 | 2018-05-08 | A kind of hyperfrequency module for reading and writing based on R2000 chip |
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| CN (1) | CN208156678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109558763A (en) * | 2018-12-17 | 2019-04-02 | 天津光电安辰信息技术股份有限公司 | Based on Indy R2000 chip four-way RFID reader device |
-
2018
- 2018-05-08 CN CN201820673943.4U patent/CN208156678U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109558763A (en) * | 2018-12-17 | 2019-04-02 | 天津光电安辰信息技术股份有限公司 | Based on Indy R2000 chip four-way RFID reader device |
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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: 20181127 |