CN201765603U - Radio frequency identification (RFID) device supplied with power by micro energy - Google Patents
Radio frequency identification (RFID) device supplied with power by micro energy Download PDFInfo
- Publication number
- CN201765603U CN201765603U CN2010202525228U CN201020252522U CN201765603U CN 201765603 U CN201765603 U CN 201765603U CN 2010202525228 U CN2010202525228 U CN 2010202525228U CN 201020252522 U CN201020252522 U CN 201020252522U CN 201765603 U CN201765603 U CN 201765603U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a RFID device supplied with power by micro energy, which comprises a micro energy acquisition device used for acquiring micro energy. The micro energy acquisition device is connected with an energy converter. The energy converter is used for receiving the micro energy acquired by the micro energy acquisition device and is connected with an energy collection controller. The energy collection controller is connected with a temporary energy storage device. The energy collection controller and the temporary energy storage device are connected with an RFID control unit. By adopting the technical scheme, on the premise that the volume of a reader-writer is kept to be small, the reading distance of RFID tags can be greatly improved and the application scope of the RFID tags is widened.
Description
Technical field:
The utility model relates to the novel RFID label apparatus that a kind of little energy provides energy, is mainly used in the RFID label apparatus that new-type little energy is supplied with as the electric power of RFID.
Background technology:
The ultimate principle of radio frequency identification (RFID) technology is to utilize space electromagnetic induction (Inductive Coupling) or electromagnetic propagation (Propagation Coupling) to communicate, to reach the purpose that automatic identification is identified object.Basic methods is wireless radio frequency identification mark (Tags) to be installed in be identified on the object, when being entered the reading range of radio frequency identification system reader (Readers) by the sign object, carry out contactless information communication between label and the reader, label sends self information such as ID number etc. to reader, reader receives these information and decodes, be transferred to the background process computing machine, finish whole information process.
Power supply form rfid system according to label can be divided into active and passive system, mainly is the supply mode according to radio-frequency (RF) tag work institute energy requirement.The label of active system uses the built-in battery of label to power, and initiatively transmits.The emissive power of active label system is lower, and decipherment distance is longer, can reach tens meters even rice up to a hundred, but its life-span is limited and cost is higher, and in addition, because label has battery, its volume ratio is bigger, can't make thin card (such as the credit card label).The battery life of active label may can reach 5 years or longer in theory, but according to the quality of battery, the factors such as environment of use, the life-span can significantly reduce.Particularly under field extreme environment such as expose to the sun and rain, use, also might cause situations such as battery drain.Battery can change though the active label that has can manufacture, and its working service cost is higher, when particularly waiting large area region scope to use in the open air, and maintenance cost even considerably beyond the cost of label itself, practicality extreme difference.
Passive RF label does not contain battery, utilizes the electromagnetic wave of reader emission to be coupled for oneself provides energy, it in light weight, volume is little, the life-span can be very long, with low cost.Can make various thin cards or buckle card, but its decipherment distance being restricted, generally is several centimetres to tens meters, and needs bigger reader emissive power.
In some concrete applications, need tag recognition distance far away, can not make battery-powered active label again simultaneously, can only use the passive label of supplying with based on microwave energy.And because require the distance of identification far away, the transmission of microwave energy just needs the antenna of larger volume, just makes passive label be subjected to a lot of restrictions in remote the application.
Summary of the invention:
It is short that the utility model purpose is to overcome the existing passive tag recognition distance, simultaneously need to evade shortcomings such as the active label volume is big, the life-span lacks, need maintenance, cost height again, adopt the next energy supply system of brand-new little energy as label, solve restriction in use, formed passive, weather-proof, non-maintaining, the remote tag system by force of a kind of standard.
For reaching above-mentioned purpose, the utility model adopts following technical scheme:
A kind of little energy provides the RFID device of energy, comprising:
Little electricity energy harvester is gathered little energy; It connects energy converter, energy converter receives little energy that little electricity energy harvester is gathered, energy converter connects the collection of energy controller, and the collection of energy controller connects the energy working storage, and described collection of energy controller and energy working storage connect the RFID control module in addition.
Described electricity energy harvester is the laser energy harvester, comprising:
The RFID read-write terminal: integrated laser emitter assemblies on it, described emitter assemblies comprises laser controller, and it connects RFID read-write control unit, power module, and the laser controlling unit connects generating laser in addition;
Laser RDIF label: integrated laser energy transfer machine assembly on it, described energy transfer machine assembly comprises that the laser energy converter receives generating laser emitted laser bundle, the laser energy converter connects the collection of energy controller, the collection of energy controller connects the energy working storage, and described collection of energy controller and energy working storage connect the RFID control module in addition.
Described electricity energy harvester is a solar collecting device, comprise: solar panel, it connects energy converter, energy converter connects the collection of energy controller, the collection of energy controller connects the energy working storage, and described collection of energy controller and energy working storage connect the RFID control module in addition.
The structure of described collection of energy controller and energy working storage comprises: described energy converter connects quick access capacitor C 3 and directly is 3 chargings of quick access capacitor C; The resistance R 5 and the resistance R 6 that are connected capacitor C 3 one ends are connected to charge switch Q3, and Q3 links to each other with charge switch Q1 with resistance R 1 and controls super capacitor C4 charging; Energy conversion unit links to each other with the voltage detecting circuit that resistance R 3, R7, R8, diode D6 and comparer U1 form by diode D3, by the on-off circuit of diode D5 controlling resistance R3, capacitor C 2 and field effect transistor Q2 composition; The control end of electronic switch is connected to capacitor C 2, field effect transistor Q4 holding circuit.
Adopt technique scheme, the utility model can improve the distance that reads of RFID label greatly under the read write line situation that keeps small size.Expanded the use field of RFID label.
Description of drawings:
Below with accompanying drawing the utility model is described in detail:
Fig. 1 is the utility model control circuit schematic diagram;
Fig. 2 is embodiment one synoptic diagram of the present utility model;
Fig. 3 is the utility model embodiment two synoptic diagram.
Embodiment:
Below in conjunction with drawings and Examples the utility model is described in detail:
As Fig. 1, Fig. 2, embodiment of the present utility model shown in Figure 3, a kind of little energy provides the RFID device of energy, comprising: little electricity energy harvester 1 is gathered little energy; It connects energy converter 2, energy converter 2 receives little energy that little electricity energy harvester 1 is gathered, energy converter 2 connects collection of energy controller 3, and collection of energy controller 3 connects energy working storage 4, and described collection of energy controller 3 and energy working storage 4 connect RFID control module 5 in addition.
Described electricity energy harvester is gathered for example luminous energy, magnetic energy, shock energy etc., and embodiment one is
The laser energy harvester comprises:
RFID read-write terminal 11: integrated laser emitter assemblies on it, described emitter assemblies comprises laser controller 111, and it connects RFID read-write control unit 112, power module 113, and laser controlling unit 111 connects generating laser 114 in addition;
Laser RDIF label 12: integrated laser energy transfer machine assembly on it, described energy transfer machine assembly comprises that laser energy converter 121 receives generating laser emitted laser bundle, laser energy converter 121 connects collection of energy controller 122, the collection of energy controller connects energy working storage 123, and described collection of energy controller and energy working storage connect RFID control module 124 in addition.
Embodiment two electricity energy harvesters are solar collecting device 13, comprise: solar panel 131, it connects energy converter 132, energy converter connects collection of energy controller 133, the collection of energy controller connects energy working storage 134, and described collection of energy controller and energy working storage connect RFID control module 135 in addition.
The structure of described collection of energy controller and energy working storage comprises: described energy converter connects quick access capacitor C 3 and directly is 3 chargings of quick access capacitor C; The resistance R 5 and the resistance R 6 that are connected capacitor C 3 one ends are connected to charge switch Q3, and Q3 links to each other with charge switch Q1 with resistance R 1 and controls super capacitor C4 charging; Energy conversion unit links to each other with the voltage detecting circuit that resistance R 3, R7, R8, diode D6 and comparer U1 form by diode D3, by the on-off circuit of diode D5 controlling resistance R3, capacitor C 2 and field effect transistor Q2 composition; The control end of electronic switch is connected to capacitor C 2, field effect transistor Q4 holding circuit.
During work, during normal mode of operation, the energy acquisition unit is gathered little energy and is converted into electric energy through energy conversion unit, and the voltage that energy conversion unit provides is at first to quick access capacitor C 3
Charging, after voltage arrived the value of setting, voltage comparator U1 exported control level, opens electronic switch Q2, and device gives RFID tag-powered.RFID label return control signal, control maintained switch Q4 takes over the control to electronic switch Q2.If R5, R6 have detected excess energy, then open super capacitor charge switch Q1, Q3, give super capacitor C4 charging.
During energy shortage that super capacitor discharge mode, energy conversion device provide, if super capacitor C4 electric weight abundance, super capacitor C4 directly gives RFID tag-powered by diode D4.
Inspire mode of operation, when quick access electric capacity and the equal deficiency of super capacitor energy, super capacitor charge switch Q1, Q3 close, and the energy that energy conversion unit provides all is used for entering normal mode of operation fast to 3 chargings of quick access capacitor C.
The utility model is by using the battery in the alternative active RFID tag of this device, produced a kind of novel accurate passive RFID tags, this label has effectively overcome active and shortcoming passive RFID tags, can reach the effect of active RFID tag under the condition of Maintenance free.The utility model can improve the distance that reads of RFID label greatly under the read write line situation that keeps small size.Expanded the use field of RFID label.
Claims (4)
1. little energy provides the RFID device of energy, it is characterized in that: comprising:
Little electricity energy harvester is gathered little energy; It connects energy converter, energy converter receives little energy that little electricity energy harvester is gathered, energy converter connects the collection of energy controller, and the collection of energy controller connects the energy working storage, and described collection of energy controller and energy working storage connect the RFID control module in addition.
2. a kind of little energy as claimed in claim 1 provides the RFID device of energy, it is characterized in that: described electricity energy harvester is the laser energy harvester, comprising:
The RFID read-write terminal: integrated laser emitter assemblies on it, described emitter assemblies comprises laser controller, and it connects RFID read-write control unit, power module, and the laser controlling unit connects generating laser in addition;
Laser RDIF label: integrated laser energy transfer machine assembly on it, described energy transfer machine assembly comprises that the laser energy converter receives generating laser emitted laser bundle, the laser energy converter connects the collection of energy controller, the collection of energy controller connects the energy working storage, and described collection of energy controller and energy working storage connect the RFID control module in addition.
3. a kind of little energy as claimed in claim 1 provides the RFID device of energy, it is characterized in that: described electricity energy harvester is a solar collecting device, comprise: solar panel, it connects energy converter, energy converter connects the collection of energy controller, the collection of energy controller connects the energy working storage, and described collection of energy controller and energy working storage connect the RFID control module in addition.
4. the RFID device of energy is provided as claim 1,2 or 3 described a kind of little energy, and it is characterized in that: the structure of described collection of energy controller and energy working storage comprises: described energy converter connects quick access capacitor C 3 and directly is 3 chargings of quick access capacitor C; The resistance R 5 and the resistance R 6 that are connected capacitor C 3 one ends are connected to charge switch Q3, and Q3 links to each other with charge switch Q1 with resistance R 1 and controls super capacitor C4 charging; Energy conversion unit links to each other with the voltage detecting circuit that resistance R 3, R7, R8, diode D6 and comparer U1 form by diode D3, by the on-off circuit of diode D5 controlling resistance R3, capacitor C 2 and field effect transistor Q2 composition; The control end of electronic switch is connected to capacitor C 2, field effect transistor Q4 holding circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202525228U CN201765603U (en) | 2010-07-07 | 2010-07-07 | Radio frequency identification (RFID) device supplied with power by micro energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202525228U CN201765603U (en) | 2010-07-07 | 2010-07-07 | Radio frequency identification (RFID) device supplied with power by micro energy |
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| Publication Number | Publication Date |
|---|---|
| CN201765603U true CN201765603U (en) | 2011-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202525228U Expired - Lifetime CN201765603U (en) | 2010-07-07 | 2010-07-07 | Radio frequency identification (RFID) device supplied with power by micro energy |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810179A (en) * | 2011-06-01 | 2012-12-05 | 唯电科技股份有限公司 | Intelligent card capable of regenerating power supply |
| WO2013026201A1 (en) * | 2011-08-24 | 2013-02-28 | 厦门硅田系统工程有限公司 | Micro-energy acquisition control device of novel rfid tag |
| CN103441424A (en) * | 2013-08-12 | 2013-12-11 | 西安应用光学研究所 | Joule-level pulse laser light source |
| CN103617446A (en) * | 2013-11-28 | 2014-03-05 | 江苏瑞福智能科技有限公司 | Activation-free UHF type electronic tag based on natural energy and work method thereof |
| CN108806484A (en) * | 2018-06-11 | 2018-11-13 | 中国人民解放军战略支援部队信息工程大学 | A kind of optical label and optical label system |
| CN111953060A (en) * | 2020-07-02 | 2020-11-17 | 广东易理铺智能科技有限公司 | Large-capacitance energy storage method based on weak energy collection and electronic price tag |
-
2010
- 2010-07-07 CN CN2010202525228U patent/CN201765603U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810179A (en) * | 2011-06-01 | 2012-12-05 | 唯电科技股份有限公司 | Intelligent card capable of regenerating power supply |
| WO2013026201A1 (en) * | 2011-08-24 | 2013-02-28 | 厦门硅田系统工程有限公司 | Micro-energy acquisition control device of novel rfid tag |
| CN103441424A (en) * | 2013-08-12 | 2013-12-11 | 西安应用光学研究所 | Joule-level pulse laser light source |
| CN103441424B (en) * | 2013-08-12 | 2016-01-13 | 西安应用光学研究所 | Fly burnt level pulsed laser light source |
| CN103617446A (en) * | 2013-11-28 | 2014-03-05 | 江苏瑞福智能科技有限公司 | Activation-free UHF type electronic tag based on natural energy and work method thereof |
| CN103617446B (en) * | 2013-11-28 | 2016-09-28 | 江苏瑞福智能科技有限公司 | Based on natural energy exempting from activates UHF type electronic tag and method of work thereof |
| CN108806484A (en) * | 2018-06-11 | 2018-11-13 | 中国人民解放军战略支援部队信息工程大学 | A kind of optical label and optical label system |
| CN111953060A (en) * | 2020-07-02 | 2020-11-17 | 广东易理铺智能科技有限公司 | Large-capacitance energy storage method based on weak energy collection and electronic price tag |
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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 |
Granted publication date: 20110316 |
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| CX01 | Expiry of patent term |