CN203455853U - RFID ultrahigh frequency reader-writer module - Google Patents
RFID ultrahigh frequency reader-writer module Download PDFInfo
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- CN203455853U CN203455853U CN201320617380.4U CN201320617380U CN203455853U CN 203455853 U CN203455853 U CN 203455853U CN 201320617380 U CN201320617380 U CN 201320617380U CN 203455853 U CN203455853 U CN 203455853U
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Abstract
The utility model discloses an RFID ultrahigh frequency reader-writer module, comprising a control chip MCU, a low dropout linear voltage regulator, a data line, a reader-writer chip, impedance changing devices, a directional coupler, an amplifier, a radio frequency switch, a first output terminal, and a second output terminal, wherein the low dropout linear voltage regulator is connected with the control chip MCU; the control chip MCU is connected with the reader-writer chip through the data line; the reader-writer chip is connected with the two impedance changing devices; one impedance changing device is connected with the directional coupler, and the other impedance changing device is connected with the amplifier; the directional coupler and the amplifier are connected with the radio frequency switch; and the radio frequency switch is connected with the first output terminal and the second output terminal. The RFID ultrahigh frequency reader-writer module is advantaged in that the module is low in cost and small in size; the module can be inlaid in hand-held equipment; a hardware interface and a software interface are unified; and the secondary development of the module can be conducted.
Description
Technical field
The utility model relates to table RFID technical field, specifically refers to a kind of RFID ultrahigh frequency reader-writer module.
Background technology
The ultrahigh frequency reader-writer module that adopts traditional PCB technology and chip module combination to form design, mainly contains following shortcoming:
1, ultrahigh frequency reader-writer module cost is high, promotes difficulty large;
2, read write line size is larger, cannot be embedded in handheld device;
3, hardware interface and software interface disunity, secondary development difficulty is large.
Utility model content
The purpose of this utility model be to provide a kind of cost low, to the greatest extent cun little, can be embedded in handheld device, hardware interface and software interface is unified, RFID ultrahigh frequency reader-writer module that can secondary development.
To achieve these goals, the utility model is designed a kind of RFID ultrahigh frequency reader-writer module, it comprises control chip MCU, low pressure difference linear voltage regulator, data line, read write line chip, impedance variation device, directional coupler, amplifier, radio-frequency (RF) switch, the first output terminal and the second output terminal, low pressure difference linear voltage regulator is connected with control chip MCU, control chip MCU is connected with read write line chip by data line, read write line chip is connected with two impedance variation devices respectively, an impedance variation device is connected with directional coupler, another impedance variation device is connected with amplifier, directional coupler, amplifier is connected with radio-frequency (RF) switch respectively, radio-frequency (RF) switch is connected with the second output terminal with the first output terminal respectively.
Described control chip MCU, low pressure difference linear voltage regulator, data line, read write line chip, impedance variation device, directional coupler, amplifier, radio-frequency (RF) switch, the first output terminal and the second output terminal are integrated in system-in-package module.
The utility model RFID ultrahigh frequency reader-writer module is by control chip MCU, low pressure difference linear voltage regulator, data line, read write line chip, impedance variation device, directional coupler, amplifier, radio-frequency (RF) switch, the first output terminal and the second output terminal are integrated in system in package SIP module, can make single chips just can realize label read-write capability, not only simplified peripheral circuit, and shortened client's product development cycle, secondly, adopt system in package sip technique, that module can be done is very little, be conducive to the embedding of handheld device, promote the development of RFID industrial chain.
accompanying drawing explanation:
Fig. 1 is the structural representation of the utility model RFID ultrahigh frequency reader-writer module;
Fig. 2 is the principle block diagram of the utility model RFID ultrahigh frequency reader-writer module.
Embodiment
For the ease of those skilled in the art's understanding, below in conjunction with specific embodiment and accompanying drawing, structural principle of the present utility model is described in further detail.
As Fig. 1, shown in Fig. 2, a kind of RFID ultrahigh frequency reader-writer module, it comprises control chip MCU, low pressure difference linear voltage regulator, data line, read write line chip, impedance variation device, directional coupler, amplifier, radio-frequency (RF) switch, the first output terminal and the second output terminal, low pressure difference linear voltage regulator is connected with control chip MCU, control chip MCU is connected with read write line chip by data line, read write line chip is connected with two impedance variation devices respectively, an impedance variation device is connected with directional coupler, another impedance variation device is connected with amplifier, directional coupler, amplifier is connected with radio-frequency (RF) switch respectively, radio-frequency (RF) switch is connected with the second output terminal with the first output terminal respectively.Described control chip MCU, low pressure difference linear voltage regulator, data line, read write line chip, impedance variation device, directional coupler, amplifier, radio-frequency (RF) switch, the first output terminal and the second output terminal are integrated in system in package SIP module, make single chips just can realize the read-write capability of ultrahigh frequency electronic tag, not only simplified peripheral circuit, and shortened client's product development cycle, secondly, adopt sip technique, that module can be done is very little, be conducive to the embedding of handheld device, promote the development of RFID industrial chain.
The utility model RFID ultrahigh frequency reader-writer module adopts semiconductor package to survey encapsulation, test that technique completes module.Module package adopts QFN-32, size 20*20*1.8mm.
In the utility model RFID ultrahigh frequency reader-writer module, control chip MCU is the main control chip of reader/writer module, and Main Function and external unit carry out communication, and management and supervision internal module duty realizes the read-write operation of reader/writer module; Read write line chip is functional module, and groundwork has been coding and decoding and the ISO180000-6B/6C protocol processes of the uplink receiving of module and downlink, signal; Impedance variation device completes read write line chip difference and turns single-ended and transmit and receive; Amplifier completes rf modulated signal and amplifies, and faint radiofrequency signal is amplified to specified output power; Directional coupler completes and receives signal coupling and receiving and transmitting signal separation; The switching over of radio-frequency (RF) switch settling signal, completes hyperchannel by time-sharing multiplex and launches.
The utility model RFID ultrahigh frequency reader-writer module completes the packaging and testing of module by a series of works such as substrate design, SMT, DIE BONDING, WRIE BONDIN, MOLDING.
Foregoing, is only preferred embodiment of the present utility model, and not for limiting embodiment of the present utility model, those skilled in the art are according to design of the present utility model, and the appropriate adaptation of having done or modification, all should be within protection domain of the present utility model.
Claims (2)
1. a RFID ultrahigh frequency reader-writer module, it is characterized in that: comprise control chip MCU, low pressure difference linear voltage regulator, data line, read write line chip, impedance variation device, directional coupler, amplifier, radio-frequency (RF) switch, the first output terminal and the second output terminal, low pressure difference linear voltage regulator is connected with control chip MCU, control chip MCU is connected with read write line chip by data line, read write line chip is connected with two impedance variation devices respectively, an impedance variation device is connected with directional coupler, another impedance variation device is connected with amplifier, directional coupler, amplifier is connected with radio-frequency (RF) switch respectively, radio-frequency (RF) switch is connected with the second output terminal with the first output terminal respectively.
2. RFID ultrahigh frequency reader-writer module according to claim 1, is characterized in that: described control chip MCU, low pressure difference linear voltage regulator, data line, read write line chip, impedance variation device, directional coupler, amplifier, radio-frequency (RF) switch, the first output terminal and the second output terminal are integrated in system-in-package module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320617380.4U CN203455853U (en) | 2013-09-30 | 2013-09-30 | RFID ultrahigh frequency reader-writer module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320617380.4U CN203455853U (en) | 2013-09-30 | 2013-09-30 | RFID ultrahigh frequency reader-writer module |
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| Publication Number | Publication Date |
|---|---|
| CN203455853U true CN203455853U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320617380.4U Expired - Fee Related CN203455853U (en) | 2013-09-30 | 2013-09-30 | RFID ultrahigh frequency reader-writer module |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107657195A (en) * | 2017-10-19 | 2018-02-02 | 南通芯电物联网科技有限责任公司 | A kind of three-in-one control system based on NFC, RFID and bluetooth |
| CN108255109A (en) * | 2018-01-25 | 2018-07-06 | 四川长虹电器股份有限公司 | A kind of intelligence hot pot table and its Intelligent control method |
| CN108665596A (en) * | 2018-05-24 | 2018-10-16 | 马鞍山纽泽科技服务有限公司 | A kind of cell intelligent access control system and method |
| CN108805239A (en) * | 2018-06-14 | 2018-11-13 | 伊婕 | A kind of articles of price traceability system based on RFID |
| CN108961488A (en) * | 2018-05-25 | 2018-12-07 | 马鞍山市润启新材料科技有限公司 | A kind of intelligent remote door opener and application method |
| CN109063804A (en) * | 2018-08-30 | 2018-12-21 | 湖南孚利购科技有限公司 | A method of realizing that commodity counterfeit prevention can trace to the source using RFID and block chain |
| CN109102630A (en) * | 2018-08-30 | 2018-12-28 | 湖南孚利购科技有限公司 | A kind of tobacco automatic vending method and system based on RFID and identity card |
-
2013
- 2013-09-30 CN CN201320617380.4U patent/CN203455853U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107657195A (en) * | 2017-10-19 | 2018-02-02 | 南通芯电物联网科技有限责任公司 | A kind of three-in-one control system based on NFC, RFID and bluetooth |
| CN108255109A (en) * | 2018-01-25 | 2018-07-06 | 四川长虹电器股份有限公司 | A kind of intelligence hot pot table and its Intelligent control method |
| CN108665596A (en) * | 2018-05-24 | 2018-10-16 | 马鞍山纽泽科技服务有限公司 | A kind of cell intelligent access control system and method |
| CN108961488A (en) * | 2018-05-25 | 2018-12-07 | 马鞍山市润启新材料科技有限公司 | A kind of intelligent remote door opener and application method |
| CN108805239A (en) * | 2018-06-14 | 2018-11-13 | 伊婕 | A kind of articles of price traceability system based on RFID |
| CN109063804A (en) * | 2018-08-30 | 2018-12-21 | 湖南孚利购科技有限公司 | A method of realizing that commodity counterfeit prevention can trace to the source using RFID and block chain |
| CN109102630A (en) * | 2018-08-30 | 2018-12-28 | 湖南孚利购科技有限公司 | A kind of tobacco automatic vending method and system based on RFID and identity card |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 |