CN103390923B - Utilize the methods, devices and systems that active card is charged by electromagnetic wave - Google Patents
Utilize the methods, devices and systems that active card is charged by electromagnetic wave Download PDFInfo
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- CN103390923B CN103390923B CN201210144822.8A CN201210144822A CN103390923B CN 103390923 B CN103390923 B CN 103390923B CN 201210144822 A CN201210144822 A CN 201210144822A CN 103390923 B CN103390923 B CN 103390923B
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- active card
- electromagnetic wave
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- analogue signal
- electric energy
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Abstract
Embodiments provide a kind of methods, devices and systems utilizing electromagnetic wave that active card is charged.The method specifically includes that and lays multiple active card on the housing of charging device, processor in described charging device sends analogue signal to the transmitting coil of described charging device, described transmitting coil based on described analogue signal to emission electromagnetic wave, radio-frequency (RF) energy receptor on described active card receives described electromagnetic wave, the electromagnetic wave received is converted to electric energy, utilizes described electric energy that described active card is charged.The embodiment of the present invention can realize utilizing electromagnetic wave to charge to a large amount of active cards quickly and easily simultaneously.
Description
Technical field
The present invention relates to electronic application field, utilize electromagnetic wave to active card in particular to one
The methods, devices and systems being charged.
Background technology
If active card uses disposable battery to power, using the time short, reliability is low, if used
Rechargeable battery is powered, the problem that charging controls to be to need to solve.And need same in a lot of application scenarios
Time give a large amount of cards charge, the most quickly and easily give a large amount of active cards charge simultaneously, be need
Problem to be solved.
Summary of the invention
The embodiment provides a kind of utilize electromagnetic wave that active card is charged method, dress
Put and system, to realize a large amount of active cards are charged simultaneously.
A kind of method utilizing electromagnetic wave that active card is charged, including:
The housing of charging device lays multiple active card；
Processor in described charging device sends analogue signal, institute to the transmitting coil of described charging device
State transmitting coil based on described analogue signal to emission electromagnetic wave；
Radio-frequency (RF) energy receptor on described active card receives described electromagnetic wave, the electromagnetic wave that will receive
Be converted to electric energy, utilize described electric energy that described active card is charged.
A kind of device utilizing electromagnetic wave that active card is charged, including:
Housing, is used for laying multiple active card, described active card is provided with radio-frequency (RF) energy and receives
Device；
Processor, for sending analogue signal to transmitting coil；
Transmitting coil, for the analogue signal that sends over based on described processor to emission electromagnetic wave,
So that the radio-frequency (RF) energy receptor on described active card receives described electromagnetic wave, the electromagnetism that will receive
Ripple is converted to electric energy, utilizes described electric energy to be charged described active card.
A kind of active card, arranges radio-frequency (RF) energy receptor, described radio frequency on the outer surface of active card
The charging contacts of energy receiver and active card is connected with each other, and described radio-frequency (RF) energy receptor receives charging
The electromagnetic wave that device sends, is converted to electric energy by the electromagnetic wave received, and utilizes described electric energy by described
Described active card is charged by the charging contacts of active card.
A kind of system utilizing electromagnetic wave to be charged active card, including described device and described
Active card.
The technical scheme provided by embodiments of the invention described above is it can be seen that the embodiment of the present invention is in charging
Laying multiple active card on the housing of device, the electromagnetic wave letter of certain power launched by charging device simultaneously
Number, the wireless receiver on active card receives the electromagnetic wave signal that charging device sends, by receive
Electromagnetic wave signal is converted to electric energy, it is possible to achieve charge to quickly and easily a large amount of active cards simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, institute in embodiment being described below
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some bright embodiments, for those of ordinary skill in the art, are not paying creative work
Under premise, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
A kind of side utilizing electromagnetic wave that active card is charged that Fig. 1 provides for the embodiment of the present invention one
The process chart of method；
A kind of dress utilizing electromagnetic wave that active card is charged that Fig. 2 provides for the embodiment of the present invention two
The concrete structure figure put；
The concrete structure figure of a kind of processor that Fig. 3 provides for the embodiment of the present invention two；
Fig. 4 is the concrete structure figure that the embodiment of the present invention three provides a kind of active card；
The concrete structure figure of a kind of radio-frequency (RF) energy receptor that Fig. 5 provides for the embodiment of the present invention three；
Fig. 6 for the embodiment of the present invention three provide a kind of utilize that active card is charged by electromagnetic wave be
The concrete structure figure of system.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
For ease of the understanding to the embodiment of the present invention, below in conjunction with accompanying drawing as a example by several specific embodiments
It is further explained explanation, and each embodiment is not intended that the restriction to the embodiment of the present invention.
Embodiment one
This embodiment utilizes wireless charging device to be charged active card by way of electromagnetic induction, should
Handling process such as Fig. 1 institute of a kind of method utilizing electromagnetic wave that active card is charged that embodiment provides
Show, the process step including following:
Step 11, on the housing of charging device cloth amplification quantity active card.
In this embodiment, charging device includes: housing, control circuit, processor and transmitting coil,
Above-mentioned control circuit, processor and transmitting coil are fixed on housing.On the housing of charging device permissible
A large amount of active cards such as, are packed together by compacter fixing a large amount of active cards.
Then, the control circuit of charging device being opened, charging device starts to start.
Processor in step 12, charging device drives transmitting coil to emission electromagnetic wave.
Control circuit in above-mentioned charging device is connected with processor, can control processor and whether work.
Processor is connected with control circuit, transmitting terminal coil.After above-mentioned control circuit is opened, in charging device
Processor will drive transmitting coil to emission electromagnetic wave.
Above-mentioned processor specifically includes that baseband signal generator, digital/analog converter, low-pass filtering
Device, upconverter and power amplifier etc..Baseband signal generator produces the digital base needing wireless transmit
Band signal, above-mentioned digital baseband signal is converted to analogue signal, low pass filter by digital/analog converter
The analogue signal of conversion is carried out low-pass filtering, filters unnecessary high-frequency noise, after upconverter will filter
Frequency analog signal modulate high frequency so that wireless transmit, the analogue signal of high frequency is entered by power amplifier
Row power amplification.Then, the analogue signal of the high frequency after power amplification is transferred to launch line by processor
Circle.
The analogue signal that above-mentioned transmitting coil transmits based on processor (is higher than to emission high frequency and sets
Frequency threshold) electromagnetic wave.According to open radio frequency band and the restriction of antenna size, launch line
Enclose the wave frequency to emission and can use 900MHz and 2.4GHz etc. of hyperfrequency.
Step 13, active card outer surface on arrange radio-frequency (RF) energy receptor receive charging device send
Electromagnetic wave, the electromagnetic wave received is converted to electric energy, active card is charged.
In embodiments of the present invention, need the outer surface at active card that radio-frequency (RF) energy receptor is set.On
State radio-frequency (RF) energy receptor can fixing with the main body of active card connect or dismountable connection, and
Need and the charging contacts of active card is connected with each other.
The radio-frequency (RF) energy receptor arranged on the outer surface of each active card laid on above-mentioned housing receives
The electromagnetic wave that the transmitting coil of above-mentioned charging device sends, is converted to unidirectional current by the electromagnetic wave received,
Described galvanic electric energy is stored.
Then, when the electric energy of storage reaches certain threshold value, the electric energy of storage is exported to active card
Charging contacts, starts to charge up the battery of active card.
Embodiment two
This embodiment offers a kind of device utilizing electromagnetic wave to be charged active card, it is specifically tied
Structure is as in figure 2 it is shown, include:
Housing 21, is used for laying multiple active card, described active card is provided with transmitting coil；
Processor 22, for sending analogue signal to transmitting coil；
Transmitting coil 23, for the analogue signal that sends over based on described processor to emission high frequency
Electromagnetic wave, so that the receiving coil on described active card receives the electromagnetic wave of described high frequency, will receive
To electromagnetic wave be converted to electric energy, utilize described electric energy that described active card is charged.
Further, described device can also include:
Whether control circuit 24, work for controlling described processor by electronic switching circuit, i.e. control
Whether charging device is to emission electromagnetic wave.
The concrete structure of a kind of above-mentioned processor 22 that this embodiment provides is as it is shown on figure 3, include following mould
Block:
Baseband signal generator 31, for producing the digital baseband signal needing wireless transmit, by described number
Word base band signal transmission is to digital/analog converter；
Digital/analog converter 32, for the digital baseband letter transmitted by described baseband signal generator
Number be converted to analogue signal, described analogue signal is transferred to low pass filter；
Low pass filter 33, carries out low for the analogue signal transmitting described digital/analog converter
Pass filter, is transferred to upconverter by the analogue signal after low-pass filtering；
Upconverter 34, the analogue signal transmitted for described low pass filter is modulated high frequency, is incited somebody to action
The analogue signal of high frequency is transferred to power amplifier；
Power amplifier 35, for carrying out merit to the analogue signal of the high frequency that described upconverter transmits
Rate is amplified, and the analogue signal of the high frequency after power amplification is transferred to transmitting coil.
Embodiment three
This embodiment offers a kind of active card, its concrete structure as shown in Figure 4, the master of active card
Radio-frequency (RF) energy receptor 41, described radio-frequency (RF) energy receptor 41 and active card are set on the outer surface of body 43
Charging contacts 42 be connected with each other.Described radio-frequency (RF) energy receptor receives the electromagnetic wave that charging device sends,
The electromagnetic wave received is converted to electric energy, utilizes the described electric energy charging contacts by described active card
Described active card is charged.
The main body of described radio-frequency (RF) energy receptor and described card of having chance with is fixing to be connected or dismountable company
Connect.
This embodiment provide a kind of above-mentioned radio-frequency (RF) energy receptor concrete structure as it is shown in figure 5, include as
Under module:
Receiving coil 51, for receiving the electromagnetic wave that charging device sends, the electromagnetic transmission that will receive
To radio frequency/direct current transducer；
Radio frequency/direct current transducer 52, for being converted to direct current by the electromagnetic wave that described receiving coil passes over
Electricity, by described DC power transmission to energy storage unit；
Energy storage unit 53, for the galvanic electric energy transmitted by described radio frequency/direct current transducer
Store, it can be common that an electric capacity；
Output control unit 54, reaches certain threshold value for the electric energy stored when described energy storage unit
Time, control described energy storage unit and the electric energy of storage is exported to the charging contacts of active card, make to penetrate
Frequently the battery of active card is started to charge up by energy receiver.
This embodiment additionally provides a kind of system being charged active card, its concrete structure such as Fig. 6 institute
Show, including charging device 61 and active card 62, concrete structure such as Fig. 2 and 3 institute of above-mentioned charging device 61
Showing, the concrete structure of above-mentioned active card 62 is as shown in Figures 4 and 5.
The application device of the embodiment of the present invention, system carry out the detailed process of active card charging and aforementioned side
Method embodiment is similar to, and here is omitted.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, in accompanying drawing
Module or flow process not necessarily implement necessary to the present invention.
One of ordinary skill in the art will appreciate that: the module in device in embodiment can be according to enforcement
Example describes in the device being distributed in embodiment, it is also possible to carries out respective change and is disposed other than the present embodiment
In one or more devices.The module of above-described embodiment can merge into a module, it is also possible to further
Split into multiple submodule.
In sum, the embodiment of the present invention is by laying multiple active card on the housing of charging device simultaneously
Sheet, the opto-electronic conversion panel on active card receives the optical signal that luminous organ sends, the light letter that will receive
Number be converted to electric energy, it is possible to achieve charge to quickly and easily a large amount of active cards simultaneously.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not
Being confined to this, any those familiar with the art, can in the technical scope that the invention discloses
The change readily occurred in or replacement, all should contain within protection scope of the present invention.Therefore, the present invention
Protection domain should be as the criterion with scope of the claims.
Claims (6)
1. one kind utilizes the method that active card is charged by electromagnetic wave, it is characterised in that including:
The housing of charging device lays multiple active card；
Processor in described charging device, is produced by the baseband signal generator in described processor and needs
Wanting the digital baseband signal of wireless transmit, the digital/analog converter in described processor is by described numeral base
Band signal is converted to analogue signal, and the analogue signal of conversion is carried out by the low pass filter in described processor
Low-pass filtering, filtered analogue signal is modulated high frequency by the upconverter in described processor, described
Power amplifier in processor carries out power amplification and by after power amplification to the analogue signal of described high frequency
Analogue signal be transferred to transmitting coil；
The analogue signal that described transmitting coil transmits based on processor is higher than the frequency set to emission
The electromagnetic wave of threshold value；
Radio-frequency (RF) energy receptor on described active card receives described electromagnetic wave, the electromagnetic wave that will receive
Be converted to electric energy and store, when the electric energy of storage reaches certain threshold value, utilizing the electricity of described storage
The plurality of active card can be charged simultaneously.
Method the most according to claim 1, it is characterised in that described method also includes:
Control described processor by the control circuit in described charging device whether to work.
Method the most according to claim 1 and 2, it is characterised in that penetrating on described active card
Frequently energy receiver receives described electromagnetic wave, the electromagnetic wave received is converted to electric energy, utilizes described electricity
Can be charged including to described active card:
Outer surface at active card arranges radio-frequency (RF) energy receptor, described radio-frequency (RF) energy receptor and having
Source card is fixing to be connected or dismountable connection, described radio-frequency (RF) energy receptor and the charging of active card
Contact is connected with each other；
The described radio-frequency (RF) energy receptor arranged on the outer surface of each active card laid on described housing
Receive the electromagnetic wave that described transmitting coil sends, the electromagnetic wave received is converted to unidirectional current, by described
Galvanic electric energy stores, when the electric energy of storage reaches certain threshold value, by the electric energy output of storage
To the charging contacts of active card, the battery of active card is started to charge up.
4. one kind utilizes the device that active card is charged by electromagnetic wave, it is characterised in that including:
Housing, is used for laying multiple active card, described active card is provided with radio-frequency (RF) energy and receives
Device；
Processor, including: baseband signal generator, need the digital baseband of wireless transmit to believe for producing
Number, described digital baseband signal is transferred to digital/analog converter；Digital/analog converter, is used for
The digital baseband signal that described baseband signal generator transmits is converted to analogue signal, by described mould
Intend signal and be transferred to low pass filter；Low pass filter, for being transmitted across described digital/analog converter
The analogue signal come carries out low-pass filtering, and the analogue signal after low-pass filtering is transferred to upconverter；On
Converter, the analogue signal transmitted for described low pass filter modulates high frequency, by the mould of high frequency
Intend signal and be transferred to power amplifier；Power amplifier, for the height transmitting described upconverter
The analogue signal of frequency carries out power amplification, is transferred to the analogue signal of the high frequency after power amplification launch line
Circle；
Transmitting coil, for the analogue signal that sends over based on described processor to emission electromagnetic wave,
So that the radio-frequency (RF) energy receptor on described active card receives described electromagnetic wave, the electromagnetism that will receive
Ripple is converted to electric energy and stores, and when the electric energy of storage reaches certain threshold value, utilizes described storage
The plurality of active card is charged by electric energy simultaneously.
Device the most according to claim 4, it is characterised in that described device also includes:
Control circuit, is used for controlling described processor and whether works.
6. one kind utilizes the system that active card is charged by electromagnetic wave, it is characterised in that including: as
Device described in claim 4 or 5 and active card, wherein, the outer surface of described active card is arranged
Radio-frequency (RF) energy receptor, the charging contacts of described radio-frequency (RF) energy receptor and active card is connected with each other, institute
State radio-frequency (RF) energy receptor and receive the electromagnetic wave that the charging device as described in claim 4 or 5 sends, will connect
The electromagnetic wave received is converted to electric energy, utilizes described electric energy by the charging contacts of described active card to institute
State active card to be charged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210144822.8A CN103390923B (en) | 2012-05-10 | 2012-05-10 | Utilize the methods, devices and systems that active card is charged by electromagnetic wave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210144822.8A CN103390923B (en) | 2012-05-10 | 2012-05-10 | Utilize the methods, devices and systems that active card is charged by electromagnetic wave |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103390923A CN103390923A (en) | 2013-11-13 |
| CN103390923B true CN103390923B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210144822.8A Active CN103390923B (en) | 2012-05-10 | 2012-05-10 | Utilize the methods, devices and systems that active card is charged by electromagnetic wave |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104578233B (en) * | 2014-08-13 | 2018-02-23 | 深圳市金溢科技股份有限公司 | A kind of wireless charging device of batch charging |
| CN105404913A (en) * | 2014-12-15 | 2016-03-16 | 珠海艾派克微电子有限公司 | Non-contact card and communication and power supply methods therefor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1063808A (en) * | 1996-08-27 | 1998-03-06 | Yamaha Corp | Pc card |
| US6184651B1 (en) * | 2000-03-20 | 2001-02-06 | Motorola, Inc. | Contactless battery charger with wireless control link |
| JP3719510B2 (en) * | 2002-04-08 | 2005-11-24 | アルプス電気株式会社 | Storage room with contactless charger |
| CN201113568Y (en) * | 2007-10-15 | 2008-09-10 | 深圳和而泰智能控制股份有限公司 | Coil induction type charging circuit and electric hair cutter employing the circuit |
| US20110299644A1 (en) * | 2010-06-08 | 2011-12-08 | Bing Xu | Emission Suppression for Wireless Communication Devices |
| CN201917937U (en) * | 2010-07-01 | 2011-08-03 | 刘久文 | Active radio frequency identification card with wireless charging function |
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- 2012-05-10 CN CN201210144822.8A patent/CN103390923B/en active Active
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