CN203386230U - Semi-active RFID temperature label for cold-chain transportation - Google Patents
Semi-active RFID temperature label for cold-chain transportation Download PDFInfo
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- CN203386230U CN203386230U CN201320504237.4U CN201320504237U CN203386230U CN 203386230 U CN203386230 U CN 203386230U CN 201320504237 U CN201320504237 U CN 201320504237U CN 203386230 U CN203386230 U CN 203386230U
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Abstract
The utility model provides a semi-active RFID temperature label for cold-chain transportation. The semi-active RFID temperature label comprises wireless sensor network radio frequency front-end equipment, an RFID reader-writer, and an RFID temperature label body, wherein information interaction between the RFID reader-write and the RFID temperature label body is completed through the wireless sensor network radio frequency front-end equipment; the wireless sensor network radio frequency front-end equipment comprises an RFID wireless transmission and reception chip unit, a radio frequency power amplifier unit, an AGC automatic gain control unit, a low noise amplifier unit, a wireless transmission and reception antenna unit, a wireless transmission and reception antenna switch unit, a power supply control unit, and a microprocessor unit. The semi-active RFID temperature label has the beneficial effects that the label is low in cost, high in efficiency, low in power consumption, long in service life; the label employs a totally-enclosed waterproof and moistureproof design and adopts a semi-active work mode; the start and acquisition time can be set freely; and the environment temperature value can be recorded in truth and cannot be tampered.
Description
Technical field
The utility model belongs to the radio frequency identification field, especially relates to half active RFID temperature label for a kind of cold chain transportation.
Background technology
RFID is the abbreviation of the English (Radio Frequency Identification) of REID, and REID is one and utilizes radiofrequency signal realize contactless information transmission and pass through the technology that transmitted information reaches identifying purpose by air interface.A set of complete rfid system, be comprised of electronic tag and electronic tag and computer management system three parts.Electronic tag is being stored the relevant information that will be identified article, is the data carrier of radio-frequency recognition system.Rfid interrogator is the rfid system core, by read write line, completes the collection of RFID label data and uploads.
Current rfid system on the market generally adopts single mode of operation, and read write line directly completes and communicates by letter with label.This mode is unfavorable for the RFID networking, and the rfid interrogator cost is relatively high, a complete rfid system needs more rfid interrogator, especially in the real-time position application of RFID, usually needs to arrange that more rfid interrogator completes accurate positioning function.Wireless sensing network (Wireless sensor network, WSN) is the emerging hot spot technology of the multidisciplinary intersection of Present Domestic international concern.The wireless sensing network technological synthesis microelectric technique, sensor technology, wireless communication technology and embedded computer technology etc., can coordinate the various sensing datas of Real-Time Monitoring, perception and collection and monitor its duty by various kinds of sensors, by embedded system, data message is processed, and upload the data to computer background by ad hoc network in the wireless relay mode and focused on.
The wireless sensing network node of current report just adopts bit processor and the design of special-purpose radio-frequency transceiving chip basically, can not effectively change in real time the up radio frequency power output of radio-frequency front-end and the gain of descending low noise amplifier, do not there is signal intensity indication RSSI output, and do not support label controlled in wireless etc., thereby limited to a great extent the dirigibility of RFID application.
Summary of the invention
The purpose of this utility model is to provide half active RFID temperature label for a kind of cold chain transportation, cost is low, efficiency is high, the whole-closed water-proof moisture-proof design, and low-power consumption, long service life adopt half active mode of operation, free setting starts and acquisition time, records ambient temperature value truly and can't distort.
For achieving the above object, the technical solution adopted in the utility model is: half active RFID temperature label for a kind of cold chain transportation, comprise wireless sensing network radio-frequency front-end equipment, rfid interrogator and half active RFID temperature label, it is characterized in that: between described rfid interrogator and described RFID label, by described wireless sensing network radio-frequency front-end equipment, complete information interaction, described wireless sensing network radio-frequency front-end equipment comprises RFID radio transmitting and receiving chip unit, the radio-frequency power amplifier unit, the AGC automatic gain control unit, the low noise amplifier unit, the wireless receiving and dispatching antenna element, wireless receiving and dispatching duplexer unit, power control unit, microprocessor unit.
Preferably, frequency range is 13.56MHz.
Preferably, the wireless communication mode between described rfid interrogator and described RFID label comprises WIFI, GPRS, 3G, infrared ray and bluetooth.
Preferably, temperature measurement range is-15 ℃～+ 60 ℃.
Advantage and the good effect that the utlity model has are: RFID and temperature are carried out to effective combination, again its residing environment temperature is measured and record when completing the goods and materials identification.Have that cost is low, efficiency is high, the whole-closed water-proof moisture-proof design, low-power consumption, long service life, adopt half active mode of operation, free setting starts and acquisition time, records ambient temperature value truly and the advantage such as can't distort.
The accompanying drawing explanation
Fig. 1 is structured flowchart of the present utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the utility model provides half active RFID temperature label for a kind of cold chain transportation, comprise wireless sensing network radio-frequency front-end equipment, rfid interrogator and half active RFID temperature label, complete information interaction by described wireless sensing network radio-frequency front-end equipment between rfid interrogator and RFID label, wireless sensing network radio-frequency front-end equipment comprises RFID radio transmitting and receiving chip unit, the radio-frequency power amplifier unit, the AGC automatic gain control unit, the low noise amplifier unit, the wireless receiving and dispatching antenna element, wireless receiving and dispatching duplexer unit, power control unit, microprocessor unit.
Preferably, frequency range is 13.56MHz.
Preferably, the wireless communication mode between described rfid interrogator and described RFID label comprises WIFI, GPRS, 3G, infrared ray and bluetooth.
Preferably, temperature measurement range is-15 ℃～+ 60 ℃.
The RFID label, for storing radio frequency identification marker code and sensor data information etc., the RFID label sends to radio sensing network radio-frequency front-end unit with radio frequency signal;
Rfid interrogator, for reading the information of the RFID label that radio sensing network radio-frequency front-end unit sends, can send instruction to the RFID label by radio sensing network radio-frequency front-end unit in addition, such as the control of RFID label label wireless channel frequency of operation, the control of label emissive power, label mode control etc.;
And wireless sensing network radio-frequency front-end equipment, for identification code and the wireless sensing information that receives the RFID label, and information is transmitted to rfid interrogator.
Wherein wireless sensing network radio-frequency front-end equipment further comprises: RFID radio transmitting and receiving chip unit, for the RFID modulating and demodulating signal; The radio-frequency power amplifier unit, for radiofrequency signal is amplified, increase the wireless signal coverage; The AGC automatic gain control unit, for controlling radio-frequency power amplifier gain and low noise amplifier gain; The low noise amplifier unit, amplify for the RFID small-signal received, and reduces system noise; The wireless receiving and dispatching antenna element, for receiving and wireless signal emission; Wireless receiving and dispatching duplexer unit, for described wireless receiving and emission control; Power control unit, for each unit is carried out to power supply control, reduce power supply power consumption; Microprocessor unit, for being controlled each unit.
Advantage and the good effect that the utlity model has are: RFID and temperature are carried out to effective combination, again its residing environment temperature is measured and record when completing the goods and materials identification.Have that cost is low, efficiency is high, the whole-closed water-proof moisture-proof design, low-power consumption, long service life, adopt half active mode of operation, free setting starts and acquisition time, records ambient temperature value truly and the advantage such as can't distort.
Above embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to the utility model application range and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (4)
1. half an active RFID temperature label for cold chain transportation, comprise wireless sensing network radio-frequency front-end equipment, rfid interrogator and half active RFID temperature label, it is characterized in that: between described rfid interrogator and described RFID label, by described wireless sensing network radio-frequency front-end equipment, complete information interaction, described wireless sensing network radio-frequency front-end equipment comprises RFID radio transmitting and receiving chip unit, the radio-frequency power amplifier unit, the AGC automatic gain control unit, the low noise amplifier unit, the wireless receiving and dispatching antenna element, wireless receiving and dispatching duplexer unit, power control unit, microprocessor unit.
2. half active RFID temperature label for a kind of cold chain transportation according to claim 1, it is characterized in that: frequency range is 13.56MHz.
3. half active RFID temperature label for a kind of cold chain transportation according to claim 1, it is characterized in that: the wireless communication mode between described rfid interrogator and described RFID label comprises WIFI, GPRS, 3G, infrared ray and bluetooth.
4. half active RFID temperature label for a kind of cold chain transportation according to claim 1, it is characterized in that: temperature measurement range is-15 ℃～+ 60 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320504237.4U CN203386230U (en) | 2013-08-19 | 2013-08-19 | Semi-active RFID temperature label for cold-chain transportation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320504237.4U CN203386230U (en) | 2013-08-19 | 2013-08-19 | Semi-active RFID temperature label for cold-chain transportation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203386230U true CN203386230U (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320504237.4U Expired - Fee Related CN203386230U (en) | 2013-08-19 | 2013-08-19 | Semi-active RFID temperature label for cold-chain transportation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361388A (en) * | 2014-11-18 | 2015-02-18 | 中国科学院半导体研究所 | Ultrahigh-frequency wireless sensing tag |
| CN113792839A (en) * | 2021-09-13 | 2021-12-14 | 重庆光能振亿科技有限公司 | Intelligent logistics label |
-
2013
- 2013-08-19 CN CN201320504237.4U patent/CN203386230U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361388A (en) * | 2014-11-18 | 2015-02-18 | 中国科学院半导体研究所 | Ultrahigh-frequency wireless sensing tag |
| CN104361388B (en) * | 2014-11-18 | 2018-03-06 | 中国科学院半导体研究所 | A kind of ultra-high frequency wireless sensing label |
| CN113792839A (en) * | 2021-09-13 | 2021-12-14 | 重庆光能振亿科技有限公司 | Intelligent logistics label |
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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 |
Granted publication date: 20140108 Termination date: 20150819 |
|
| EXPY | Termination of patent right or utility model |