CN203192009U - Identification system based on RFID (Radio Frequency Identification) - Google Patents
Identification system based on RFID (Radio Frequency Identification) Download PDFInfo
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- CN203192009U CN203192009U CN 201320142205 CN201320142205U CN203192009U CN 203192009 U CN203192009 U CN 203192009U CN 201320142205 CN201320142205 CN 201320142205 CN 201320142205 U CN201320142205 U CN 201320142205U CN 203192009 U CN203192009 U CN 203192009U
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- rfid
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- microprocessor
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Abstract
The utility model discloses an identification system based on RFID, which comprises a power supply, a microprocessor, an RFID transmitting-receiving chip, an RF (Radio Frequency) power amplifier, a first antenna, a second antenna, an RFID label, an RFID reader-writer and a single-chip microcomputer. The microprocessor, the RFID transmitting-receiving chip, the RF power amplifier and the second antenna are successively connected in series; the first antenna is connected with the RFID transmitting-receiving chip; the power supply is connected with the microprocessor and the RFID transmitting-receiving chip; the RFID label is wirelessly connected with the first antenna; the RFID reader-writer is wirelessly connected with the second antenna; and the single-chip microcomputer is connected with the RFID reader-writer. The identification system realizes applications including real-time RFID positioning, thereby greatly reducing the required number of RFID reader-writers, and saving cost.
Description
Technical field
The utility model relates to communication technical field, relates in particular to a kind of based on RFID(Radio Frequency Identification, radio-frequency (RF) identification) recognition system.
Background technology
REID is that a kind of radiofrequency signal of utilizing realizes that wireless messages is passed to the technology of destination.General rfid system contains electronic tag and rfid interrogator, rfid interrogator and electronic tag direct communication, and electronic tag is being stored the relevant information that is identified article, and rfid interrogator is realized the collection of label data and is uploaded.Like this, especially when locating in real time, need a plurality of rfid interrogators to work together, so just increased corresponding cost.Simultaneously, because rfid interrogator and electronic tag direct communication are unfavorable for the expansion of system, function is single relatively.
Summary of the invention
The purpose of this utility model is to provide a kind of recognition system based on RFID, by a device that can change radio-frequency power, realize the indirect communication between RFID label and the rfid interrogator, when application such as realization RFID locatees in real time, significantly reduce the quantity required of rfid interrogator, provide cost savings.
The technical scheme that realizes above-mentioned purpose is:
A kind of recognition system based on RFID comprises power supply, microprocessor, RFID transceiving chip, radio-frequency power amplifier, first antenna, second antenna, RFID label, rfid interrogator and single-chip microcomputer, wherein:
Described microprocessor, RFID transceiving chip, radio-frequency power amplifier and second antenna are connected in series successively;
Described first antenna connects described RFID transceiving chip;
Described power supply connects described microprocessor and RFID transceiving chip;
Described first antenna of described RFID label wireless connections;
Described second antenna of described rfid interrogator wireless connections;
Described single-chip microcomputer connects described rfid interrogator.
The above-mentioned recognition system based on RFID, wherein, described recognition system based on RFID also comprises keyboard and the display screen that connects described microprocessor.
The above-mentioned recognition system based on RFID, wherein, described recognition system based on RFID also comprises the storer that connects described microprocessor.
The beneficial effects of the utility model are: the utility model is by the combination of microprocessor, RFID transceiving chip and radio-frequency power amplifier, change radio-frequency power, thereby realize the indirect communication between RFID label and the rfid interrogator, when application such as realization RFID locatees in real time, significantly reduce the quantity required of rfid interrogator, provide cost savings.And, owing to be not RFID label and rfid interrogator direct communication, be beneficial to the functions expanding of system, such as increasing keyboard, display screen and storer, realize multiple function.
Description of drawings
Fig. 1 is the structural representation of the recognition system based on RFID of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
See also Fig. 1, recognition system based on RFID of the present utility model, comprise power supply 1, microprocessor 2, RFID transceiving chip 3, radio-frequency power amplifier 4, first antenna 5, second antenna 6, RFID label 7, rfid interrogator 8, single-chip microcomputer 9, keyboard 10, display screen 11 and storer 12, wherein:
Single-chip microcomputer 9 connects rfid interrogator 8.
Keyboard 10, display screen 11 and storer 12 are connected microprocessor 2 respectively; Keyboard 10 and display screen 11 are used for manually-operated; Storer 12 is used for the data after storage microprocessor 2 is handled;
In the present embodiment, the model that microprocessor 2 is selected for use is S3F8285XZZ-C0C5; The model that RFID transceiving chip 3 is selected for use is AMICCOM/A7102; The model that radio-frequency power amplifier 4 is selected for use is SB9200A; The model that rfid interrogator 8 is selected for use is JR5815; Single-chip microcomputer 9 is selected the 80C51 single-chip microcomputer for use.
Above embodiment is only for the usefulness that the utility model is described, but not to restriction of the present utility model, person skilled in the relevant technique, under the situation that does not break away from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (3)
1. the recognition system based on RFID is characterized in that, comprises power supply, microprocessor, RFID transceiving chip, radio-frequency power amplifier, first antenna, second antenna, RFID label, rfid interrogator and single-chip microcomputer, wherein:
Described microprocessor, RFID transceiving chip, radio-frequency power amplifier and second antenna are connected in series successively;
Described first antenna connects described RFID transceiving chip;
Described power supply connects described microprocessor and RFID transceiving chip;
Described first antenna of described RFID label wireless connections;
Described second antenna of described rfid interrogator wireless connections;
Described single-chip microcomputer connects described rfid interrogator.
2. the recognition system based on RFID according to claim 1 is characterized in that, described recognition system based on RFID also comprises keyboard and the display screen that connects described microprocessor.
3. the recognition system based on RFID according to claim 1 is characterized in that, described recognition system based on RFID also comprises the storer that connects described microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320142205 CN203192009U (en) | 2013-03-26 | 2013-03-26 | Identification system based on RFID (Radio Frequency Identification) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320142205 CN203192009U (en) | 2013-03-26 | 2013-03-26 | Identification system based on RFID (Radio Frequency Identification) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203192009U true CN203192009U (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320142205 Expired - Lifetime CN203192009U (en) | 2013-03-26 | 2013-03-26 | Identification system based on RFID (Radio Frequency Identification) |
Country Status (1)
| Country | Link |
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| CN (1) | CN203192009U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177275A (en) * | 2013-03-26 | 2013-06-26 | 国家电网公司 | RFID (Radio Frequency Identification Devices)-based identification system |
-
2013
- 2013-03-26 CN CN 201320142205 patent/CN203192009U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103177275A (en) * | 2013-03-26 | 2013-06-26 | 国家电网公司 | RFID (Radio Frequency Identification Devices)-based identification system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |