CN103617446B - Based on natural energy exempting from activates UHF type electronic tag and method of work thereof - Google Patents
Based on natural energy exempting from activates UHF type electronic tag and method of work thereof Download PDFInfo
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- CN103617446B CN103617446B CN201310612976.XA CN201310612976A CN103617446B CN 103617446 B CN103617446 B CN 103617446B CN 201310612976 A CN201310612976 A CN 201310612976A CN 103617446 B CN103617446 B CN 103617446B
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Abstract
The invention provides a kind of based on natural energy exempting from and activate UHF type electronic tag and method of work thereof, microstrip antenna is tuned including UHF, natural energy harvester, AC DC charging circuit, accumulator, secondary battery, DC DC pressure regulator and UHF label chip, natural energy harvester therein is for being built-in with by n-channel metal-oxide half field effect transistor MOSFET, the resonance boosting vibration harvester of external booster transformer and capacitor composition or the Acquisition Circuit based on Schottky diode discrete component, two kinds of methods all can be used to the energy source collecting natural energy for UHF tag activation.The present invention instead of conditional electronic label when entering duty, the method that energy activates label need to be obtained from the radio wave that reader is launched, effectively improve the sensitivity of UHF electronic tag and effective reading and writing distance, and significantly reduce the external environment condition impact on label overall performance.
Description
Technical field
The present invention relates to RFID radio RF recognition technology field, a kind of based on natural energy exempting from activates UHF
Type electronic tag and method of work thereof.
Background technology
Radio RF recognition technology (RFID) technology is to start recent years in the world rise and obtain rapid popularization and application
A new technique.Radio frequency identification equipment sends microwave inquiry signal, mark by microwave antenna to the object equipped with electronic tag
Sign after receiving the inquiry signal of read write line, according to the order request in inquiry signal, the data message in label is reflected back
Read write line, it be for realize digitized, informationization and the characteristics such as the attribute of object, state, numbering are gathered automatically
A kind of brand-new means released, can be widely applied to the fields such as wisdom logistics, intelligent transportation, food is false proof, trace to the source.
Energy acquisition refers to by trace energy such as " collection " heat, vibration, the magnetic waves at one's side such as light and electromagnetic wave so that it is turn
Changing the technology of electric power into, its theory is the trace energy that effective utilization is given up at ordinary times.The maximum feature of energy acquisition technology is
Import this technology and can save the replacing trouble such as battery and maintenance.By excess energy in capturing ambient (as illumination, the temperature difference,
Vibration and radio wave), can allow low power dissipation electron proper device operation completely.In these micropower energy, from radio frequency
The energy of emitter has the advantage of uniqueness, including the power measurable with consistent with distance change, thus allows energy acquisition
Device is away from the constraint of the energy.
Nowadays ambient radio-frequency energy can obtain, including mobile phone, hand-held nothing from billions of the wireless transmitters in the whole world
Line electricity equipment, mobile base station and TV/radio broadcasting platform etc..Capture the ability of this kind of energy and contribute to creating new without battery
Equipment, and allow battery supply set wirelessly to realize trickle charge.
Common UHF electronic tag operationally, needs to obtain energy from the transmitting signal (radio wave) of reader
And self-activation, sensitivity reading/writing distance low, effective is short, affected by environment seriously.Further, reader needs to be supplied by battery
Can, waste battery is easily generated environmental problem.
Summary of the invention
The present invention is to solve problem of the prior art, it is provided that a kind of based on natural energy exempting from activates UHF type electronics
Label and method of work thereof, be greatly improved the performance of electronic tag, and beneficially sustainable development.
The activation UHF type electronic tag of exempting from based on natural energy that the present invention provides includes that UHF tunes microstrip antenna, nature
Electricity energy harvester, AC-DC charging circuit, accumulator, secondary battery, DC-DC pressure regulator and UHF label chip, therein from
So electricity energy harvester is resonance boosting vibration harvester or Acquisition Circuit.
Improve further, described resonance boosting vibration harvester be built-in with n-channel metal-oxide half field effect transistor MOSFET,
External booster transformer and capacitor.
Improving further, described Acquisition Circuit is based on Schottky diode discrete component.
Improving further, described UHF tuning microstrip antenna is that symmetrical arc lobe type tunes microstrip antenna, and its gain is
10dB, carries a width of 840Mhz-960Mhz, substrate material Ceramics aluminium oxide, and dielectric constant is 9～10.
Improving further, described AC-DC charging circuit is batch (-type) trickle charging circuit.
Improving further, described accumulator is ultra-thin paper battery.
Improving further, described UHF label chip is divided into four memory blocks, respectively password area, EPC district, TID field and
USER district, supports IOS18000-6C/6B agreement.
Present invention also offers a kind of based on natural energy exempt from activate UHF type electronic tag method of work, including with
Lower step:
1) natural energy harvester is collected natural energy by antenna and is converted effective electric energy, and by built-in
Resonance rises pressure oscillator and is boosted by electric energy, is transferred to AC-DC charging circuit；
2), after AC-DC charging circuit carries out pressure regulation and rectification process, secondary battery is transferred electrical energy into；
3) when UHF type electronic tag is in non-sending and receiving state, secondary battery absorbs part electrical power storage and by remaining
Electric energy is transferred to accumulator, and accumulator stores part electric energy, and remaining electric energy is by activating UHF type electricity after DC-DC pressure regulator pressure regulation
Subtab；
4) when UHF type electronic tag is in signal sending and receiving state, secondary battery carries high-octane output and is transferred to
Accumulator stores, and the electric energy that accumulator stores is transferred to UHF type electronic tag, UHF type electronics by after DC-DC pressure regulator pressure regulation
Label completes the information exchange work between reader by antenna.
The present invention has the beneficial effects that:
1, collect natural energy activate UHF label, instead of conditional electronic label enter duty time, need to be from readding
Read the radio wave that device is launched obtains the method that energy activates label, effectively improve the sensitivity of UHF electronic tag
With useful effect (reading and writing) distance, and significantly reduce the external environment condition (such as the metal) impact on label overall performance.
2, accumulator uses ultra-thin paper battery as energy storage, reduces the package thickness that electronic tag is final, has
Preferably pliability, and quite strong to the adaptation ability of temperature, ensure the finished product of last encapsulation during the most multiple applications
The suitability of label；Meanwhile, paper battery avoids metal, lithium and the alkali compounds leakage problem that conventional batteries can produce, and keeps away
Exempt from the pollution to environment, and avoid the artificial maintenance of traditional approach.
Accompanying drawing explanation
Fig. 1 is module diagram of the present invention；
Fig. 2 is inventive antenna structural representation；
Fig. 3 is that energy acquisition of the present invention constitutes circuit.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
Present configuration is as it is shown in figure 1, include that UHF tunes microstrip antenna, natural energy harvester, AC-DC charged electrical
Road, accumulator, secondary battery, DC-DC pressure regulator and UHF label chip.
Described antenna is as in figure 2 it is shown, design object is high-gain, the work of 840-960Mhz full frequency band, it is possible to adaptation is many
Frequency band or wideband frequency range, share for natural energy harvester and RFID chip.Both natural energy harvester can have been made
Collection feeler, again as signaling reflex link during UHF chip operation.Its structure is base based on rectangular microband paste antenna
On plinth, use symmetrical arc lobe type figure；Substrate material preferred dimension is the ceramic alumina of 841mm × 55mm × 0.6mm, dielectric
Constant is 9～10.
The energy acquisition circuit (as shown in Figure 3) that natural energy harvester or Schottky diode are built, is all appreciated that
It it is a miniature generating equipment.Electricity energy harvester in the present invention, all without extra energy consuming circuitry, can realize maximum
Power points is followed the tracks of, and wherein, energy collecting device is built-in is made up of resonance liter n-channel MOSFET, external booster transformer and capacitor
Pressure oscillator.(such as the transformator of transformation ratio 100:1, then the electric power of 20mV can be boosted to 2.0V.) simultaneously, it can adapt to many
Frequency band or wideband frequency range are (in the energy acquisition circuit that discrete component is constituted, as it is shown on figure 3, it is complete by Far Left resistance
Become coupling), and support the radio-frequency (RF) energy Acquisition Circuit of automatic frequency tuning, so can improve output electric energy further.Logical
Cross the energy acquisition circuit that the discrete component such as energy collecting device or Schottky diode is constituted, the nature energy that can will collect
(such as radio wave energy) converts effective electric energy, and the activation energy of needs when entering normal operating conditions as electronic tag
Energy source, and within service life, output energy that can be unlimited, it is not necessary to be additionally provided energy.
AC-DC/DC-DC is batch (-type) trickle charging circuit and pressure regulator transmission, is responsible for adjusting the original output of harvester
Electricity, and make the energy after being adjusted, stored by accumulator or can provide, directly to UHF label chip, the energy needed
Amount input.Meanwhile, it can avoid harvester and the output voltage of battery, curent change, impact or the damage on UHF label chip
Bad.
Accumulator, uses ultra-thin paper battery as energy storage, and its thickness only 0.3mm, composition is mainly cellulose, therefore
There is preferable pliability, and quite strong to the adaptation ability of temperature, it is suitable for the temperature range of-70 DEG C to 150 DEG C.Meanwhile,
Ultra-thin paper battery avoids metal, lithium and the alkali compounds leakage problem that conventional batteries can produce, it is to avoid the dirt to environment
Dye.
Secondary battery, it act as power source caching, and main purpose is an up the output of harvester, meanwhile, secondary
The relative power output of battery is higher, can more effectively ensure the supply of energy.The secondary battery only ability when UHF chip needs energy
Output energy, other times then constantly accept energy from connecing radio frequency energy harvester.
UHF label is a kind of transponder, meeting immediate answer after receiving the specific wireless signal that RFID reader is launched,
The data message that i.e. will be stored in chip internal optionally feeds back to RFID reader according to the requirement of agreement, completes and reads
Information exchange work between device.The UHF label chip of the present invention has 4 memory blocks and is respectively as follows: password area, EPC district, TID
District and USER district, support IOS18000-6C/6B agreement, and it is left that activation energy when it is in normal operating conditions is about 2.0 V
The right side, electric current about 0.1-0.9mA, described above can determine that, the present invention uses the method gathering natural energy can carry for it
For stable, reliable energy.
The method of work of the present invention comprises the following steps:
1) the energy acquisition circuit that the discrete component such as natural energy harvester or Schottky diode is constituted is received by antenna
Collection natural energy is also converted effective electric energy, and is boosted by electric energy by resonance liter pressure oscillator, is transferred to AC-DC charged electrical
Road；
2), after AC-DC charging circuit carries out pressure regulation and rectification process, secondary battery is transferred electrical energy into；
3) when UHF type electronic tag is in non-sending and receiving state, secondary battery absorbs part electrical power storage and by remaining
Electric energy is transferred to accumulator, and accumulator stores part electric energy, and remaining electric energy is by activating UHF type electricity after DC-DC pressure regulator pressure regulation
Subtab；
4) when UHF type electronic tag is in signal sending and receiving state, secondary battery carries high-octane output and is transferred to
Accumulator stores, and the electric energy that accumulator stores is transferred to UHF type electronic tag, UHF type electronics by after DC-DC pressure regulator pressure regulation
Label completes the information exchange work between reader by antenna.
The concrete application approach of the present invention is a lot, and the above is only the preferred embodiment of the present invention, it is noted that for
For those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to make some improvement, this
A little improvement also should be regarded as protection scope of the present invention.
Claims (6)
1. based on natural energy exempting from activates UHF type electronic tag, it is characterised in that: include the UHF circulating connection successively
Tuning microstrip antenna, natural energy harvester, AC-DC charging circuit, accumulator, secondary battery, DC-DC pressure regulator and UHF
Label chip, natural energy harvester therein is resonance boosting vibration harvester or Acquisition Circuit；Described resonance boosting
Vibration harvester is built-in with n-channel metal-oxide half field effect transistor MOSFET, external booster transformer and capacitor；Described collection
Circuit is based on Schottky diode discrete component.
Based on natural energy exempting from the most according to claim 1 activates UHF type electronic tag, it is characterised in that: described
UHF tuning microstrip antenna is that symmetrical arc lobe type tunes microstrip antenna, and its gain is 10dB, carries a width of 840Mhz-960Mhz, substrate
Material selection ceramic alumina, dielectric constant is 9～10.
Based on natural energy exempting from the most according to claim 1 activates UHF type electronic tag, it is characterised in that: described
AC-DC charging circuit is batch (-type) trickle charging circuit.
Based on natural energy exempting from the most according to claim 1 activates UHF type electronic tag, it is characterised in that: described
Accumulator is ultra-thin paper battery.
Based on natural energy exempting from the most according to claim 1 activates UHF type electronic tag, it is characterised in that: described
UHF label chip is divided into four memory blocks, respectively password area, EPC district, TID field and USER district, supports IOS18000-6C/6B
Agreement.
6. the method for work exempting to activate UHF type electronic tag based on natural energy, it is characterised in that comprise the following steps:
1) natural energy harvester is collected natural energy by antenna and is converted effective electric energy, and is shaken by resonance boosting
Swing device to be boosted by electric energy, be transferred to AC-DC charging circuit；
2), after AC-DC charging circuit carries out pressure regulation and rectification process, secondary battery is transferred electrical energy into；
3) when UHF type electronic tag is in non-sending and receiving state, secondary battery absorbs part electrical power storage and by remaining electric energy
Being transferred to accumulator, accumulator stores part electric energy, and remaining electric energy is by activating UHF type electronics mark after DC-DC pressure regulator pressure regulation
Sign；
4) when UHF type electronic tag is in signal sending and receiving state, secondary battery carries high-octane output and is transferred to energy storage
Device stores, and the electric energy that accumulator stores is transferred to UHF type electronic tag, UHF type electronic tag by after DC-DC pressure regulator pressure regulation
The information exchange work between reader is completed by antenna.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310612976.XA CN103617446B (en) | 2013-11-28 | 2013-11-28 | Based on natural energy exempting from activates UHF type electronic tag and method of work thereof |
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| CN201310612976.XA CN103617446B (en) | 2013-11-28 | 2013-11-28 | Based on natural energy exempting from activates UHF type electronic tag and method of work thereof |
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| CN103617446B true CN103617446B (en) | 2016-09-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103955735A (en) * | 2014-04-30 | 2014-07-30 | 广西电网公司电力科学研究院 | Power transformation equipment radio frequency identification electronic tag with energy conversion function |
| CN110082675A (en) * | 2018-06-19 | 2019-08-02 | 常州美能特机电制造有限公司 | Motor range measurement method |
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| CN101309639A (en) * | 2005-10-24 | 2008-11-19 | 鲍尔卡斯特公司 | Method and apparatus for high efficiency rectification for various loads |
| CN201570054U (en) * | 2010-01-15 | 2010-09-01 | 詹宜巨 | Low-power-consumption RFID temperature sensing tag |
| CN201765603U (en) * | 2010-07-07 | 2011-03-16 | 厦门硅田系统工程有限公司 | Radio frequency identification (RFID) device supplied with power by micro energy |
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Effective date of registration: 20210318 Address after: 210049 Sanbao science and Technology Park, 10 Ma Qun Road, Qixia District, Nanjing, Jiangsu Patentee after: JIANGSU INTELLITRAINS Co.,Ltd. Address before: 210049 Sanbao science and Technology Park, 10 Ma Qun Road, Qixia District, Nanjing, Jiangsu Patentee before: JIANGSU RAIFU INTELLIGENT TECHNOLOGY Co.,Ltd. |
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