CN103051040A - Capacitive energy storage type rechargeable battery and charging device thereof - Google Patents
Capacitive energy storage type rechargeable battery and charging device thereof Download PDFInfo
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- CN103051040A CN103051040A CN2013100306281A CN201310030628A CN103051040A CN 103051040 A CN103051040 A CN 103051040A CN 2013100306281 A CN2013100306281 A CN 2013100306281A CN 201310030628 A CN201310030628 A CN 201310030628A CN 103051040 A CN103051040 A CN 103051040A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
Abstract
The invention provides a capacitive energy storage type rechargeable battery and a charging device thereof. The invention comprises a resonance receiving circuit, a rectification circuit, a voltage-reducing and stabilizing circuit and an energy-storage capacitor, wherein the resonance receiving circuit consists of a receiving coil and a resonance capacitor which are sequentially connected with each other in series, the receiving coil is matched with the resonance capacitor to receive electromagnetic energy sent out by a wireless induction transmitting coil in an induction way, and stable 1.6V direct-current voltage is generated by the rectification circuit and the voltage-reducing and stabilizing circuit so as to be used for charging the energy-storage capacitor, wherein the capacity of the energy-storage capacitor is 1-33F. According to the capacitive energy storage type rechargeable battery and the charging device, A, AA or AAA type standard batteries can be replaced by a super-capacitor and a specifically-designed charging mechanism.
Description
Technical field
What the present invention relates to is the device of one way of life commodity technical field, specifically a kind of capacitance energy storage type rechargeable battery and charging device thereof of alternative dry cell.
Background technology
At present, a lot of electronic installations are all powered with dry cell, such as remote controller, wireless mouse, the electronic clock of household electrical appliance, child electric toy.Most of power consumption is very little in these devices, and such as home used remote controler, stand-by power consumption is the microwatt level only, and current sinking only has 10-20mA during emission, and the infrared emission duration is very short, usually at Millisecond, only depends on dry cell just can work several months even longer time.Then power consumption is larger for some, such as child electric toy, uses the consuming cells amount very large.The annual dry cell quantity that consumes of these electronic equipments is billions of.Dry cell is owing to containing heavy metal and other chemical harmful substance, and discarded dry cell needs special recycling, if arbitrarily dispose discarded dry cell, will cause the pollution at soil and water source.Capacitance energy storage used in battery material and parts among the present invention do not contain heavy metal and toxic chemical substance, are a kind of novel environment friendly rechargeable batteries.
Find through the retrieval to prior art, Chinese patent literature CN202334009U, open day 2012-07-11, a kind of wireless circulating energy-storing device of alternative dry battery is disclosed, this technology is mainly by a receiving coil, electric energy receiving chip and farad capacitor totally three elements form, concentrate and to be distributed in one group of shape plastic casing similar to dry cell, plastic casing be by one with negative pole encrust and another brevicone with positive pole is conjuncted forms, receiving coil is in encrusting, electric energy receiving chip and farad capacitor are in brevicone, positive pole and negative pole that the output electric energy is arranged on the shell, positive pole links to each other with the positive pole of farad capacitor, and negative pole links to each other with the negative pole of farad capacitor; The electric energy receiving chip has three terminals, be respectively input, hold and output, the two ends of receiving coil are connected on respectively input and the ground end of electric energy receiving chip, the both positive and negative polarity of farad capacitor is held with the output of electric energy receiving chip and ground respectively and is linked to each other.But this technological deficiency is: used traditional transformer with split winding magnetic induction supply power mode, this is a kind of that efficient is minimum in the wireless induction power supply technique, transmitting range is minimum; Secondly, the farad capacitor shell is generally metallic material of aluminum, when having alternating magnetic field to pass the metal shell of farad capacitor, can induce very strong current vortex, in CN202334009U, not use any means to prevent the generation of current vortex, certainly will cause current vortex can consume unnecessary electric energy, not only can the decrease power supplying efficiency, and may cause farad capacitor metal shell heating, light then shorten useful life of farad capacitor, serious heating may cause farad capacitor to explode.The useful life of farad capacitor and the relation of temperature generally meet " 10 degree rule ", i.e. the every rising 10 of temperature is spent, and reduce by half service life.Moreover, device described in the CN202334009U has used magnetic field that permanent magnet sends as the signal that starts charger, this mode not only increases cost and weight, also need the user that permanent magnet and these two ad-hoc locations of magnetic switch are aimed at, the process of this aligning may become because battery arrangement position in the battery case is different and be difficult to operation.
Summary of the invention
The present invention is directed to the prior art above shortcomings, propose a kind of capacitance energy storage type rechargeable battery and charging device thereof, namely adopt the capacitance energy storage type battery of super farad capacitor alternate standard A, AA or AAA model dry cell.
The present invention is achieved by the following technical solutions:
The present invention relates to a kind of capacitance energy storage type rechargeable battery, comprise: the receiving coil by series connection that connects successively becomes resonance receiving circuit, rectification circuit, decompression voltage regulator and storage capacitor with the resonance capacitance group, wherein: receiving coil cooperates the resonant capacitance induction to receive the electromagnetic energy that the wireless induction transmitting coil is sent, and produces stable 1.6V direct voltage for storage capacitor is charged by rectification circuit and decompression voltage regulator.
Described storage capacitor adopts large capacity farad capacitor to come store electrical energy, and the power supply of a period of time can be provided for low power dissipation electron equipment.
That the output of described rectification circuit preferably is provided with is in parallel with decompression voltage regulator, with the charging mechanism of buck diode group, this charging mechanism is mini USB-B or Micro USB-B interface more preferably, utilize in the USB interface+the 5V power supply provides the second charging modes for the super capacitor charging.
Described resonant circuit, rectification circuit, decompression voltage regulator, charging mechanism and storage capacitor are encapsulated in the shell with imitative battery cell profile, this shell is column structure, this column structure is combined into by semicylinder and cuboid, wherein: the diameter of semicylinder consistent with the width of cuboid and with standard cell such as A type, the diameter of AA type or AAA type battery is complementary, convenient and existing battery is compatible on the one hand, simultaneously larger volume is convenient to assemble essential parts again, manyly can not roll so that battery lies against on the charger when wireless charging on the other hand.
The two ends of described shell are respectively equipped with the metal positive and negative electrode of the requirement that meets standard cell, at utmost to utilize the useful space of battery case, can be applicable to most battery cases, but can not be applicable to hold the battery case of cylindrical cell.
Described battery cell can directly be packed into and be replaced 1 joint dry cell in the battery case, if electronic equipment needs 2 joint dry cells, and the two economize on electricity appearance batteries of just need to packing into.The maximum charging voltage that battery is held in every economize on electricity is about 1.6V, can use by serial or parallel connection.
The present invention relates to the charging device of above-mentioned capacitance energy storage type rechargeable battery, comprise: the AC/DC power supply, control module, pwm driver, the inversion half-bridge circuit, radiating circuit, inspection leakage resistance and current signal treatment circuit, wherein: the AC/DC power supply receive 85V-264V exchange input and export respectively 5V and the 18V direct current to the power end of control module and inversion half-bridge circuit, the control module output pwm signal is to pwm driver, pwm driver links to each other with the input of inversion half-bridge circuit and the output drive electric current, the output of inversion half-bridge circuit links to each other with radiating circuit, the feedback end of inversion half-bridge circuit links to each other with the current signal treatment circuit with inspection leakage resistance Rx respectively, by the inspection leakage resistance output current of radiating circuit is transformed into feedback voltage, obtain the pulse signal of a reflection power frequency and the voltage signal of a reflection current amplitude through the overcurrent signal treatment circuit, and exporting respectively counter end and the AD sampling end of control module to, control module judges whether to finish charging according to the size of the output current of radiating circuit.
Described inversion half-bridge circuit is made of the 5th and the 6th electric capacity, the first and second metal-oxide-semiconductors, this inverter is exported alternating current with the frequency of 100-200Khz under the PWM of control module control, this current drives transmitting coil produces alternating magnetic field, receiving coil is sensed alternating magnetic field and is produced resonance with the resonant capacitance of receiving circuit, realizes that the wireless power of maximal efficiency transmits.
When the voltage drop of storage capacitor C3 was following to the minimum operating voltage (being generally about 1V) of remote controller permission, capacitor batteries needed charging.When charging with the radio induction charging device, needing will be parallel near radio induction charging device transmitting coil plane near the PCB printed coil of battery case lid, only need just storage capacitor C3 to be charged to 1.6V from 0V less than 2 minutes.Usually, use the capacitor batteries that recharges after a period of time, still have certain residual charge among its inner storage capacitor C3, in this case, the required charging interval can be shorter.
When charging with USB, then need power supply is taken out from battery case, utilize USB cable, miniUSB or microUSB and other USB charging inlet of connecting capacitor batteries, because USB can provide the charging current of 500mA, the farad capacitor of 10F only needs 10F * 1.6V/0.5A=32 just can be charged to 1.6V from 0 volt second.
Technique effect
Size of current and the situation of change of the present invention by radiating circuit in the short time determines whether starting reflector and complete charge whether, do not increase any other parts, also saved the alignment procedures of two specified points.Specifically, once in the complete charging process current waveform of radiating circuit as shown in Figure 7, when charger was unloaded, emission current was minimum I
0In to capacitor batteries load charging process, emission current can experience one and be climbed to peak, then the process of slow decreasing.Control module 11 control radiating circuit work 100ms detect size of current and situation of change during this, if continue at I
0Near, then showing without load to be charged, radiating circuit repeats above process after suspending 1 second again; If electric current has obvious ascendant trend during 100ms, then keep radiating circuit to work on, electric current to be launched occurs beginning slow decreasing after the maximum, complete charge after delay time a period of time again (such as 30 seconds).If emission current continues at abnormal high level, there is the metal plate-like thing near then showing transmitting coil, current vortex occurs and cause emission current unusual at metallic plate, the charger automatic shutdown is also reported to the police.Whether control module 11 can also be that the frequency that present procedure is set judges whether radiating circuit is normal by the frequency that detects emission current.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the circuit board rearview.
Fig. 3 is the circuit board front view.
Fig. 4 is the board side view.
Fig. 5 is the circuit board vertical view.
Fig. 6 is the structural representation of wireless charger.
Fig. 7 is emission current and farad capacitor voltage oscillogram in the charging process.
Embodiment
The below elaborates to embodiments of the invention, and the present embodiment is implemented under take technical solution of the present invention as prerequisite, provided detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, the present embodiment comprises: receiving coil L and the resonance capacitor C 1 by the series connection that connect successively form resonance receiving circuit 1, rectification circuit 2, decompression voltage regulator 3 and storage capacitor C3, wherein: receiving coil L cooperates resonant capacitance C1 induction to receive the electromagnetic energy that the wireless induction transmitting coil is sent, and is used for storage capacitor C3 is charged by rectification circuit 2 and the stable 1.6V direct voltage of decompression voltage regulator 3 generations.
In the present embodiment:
Described rectification circuit 2 is the diode rectifier circuit that four low voltage difference diode D3-D6 form, and the 3rd to the 6th diode D3, D4, D5, D6 are the rectifier diode of 1N5818 or similar low voltage difference;
Described decompression voltage regulator 3 comprises: DC voltage-stabilizing chip U1, the reduction voltage circuit that is comprised of resistance and diode and the filter capacitor of two parallel connections, wherein: the second electric capacity and the 4th Capacitance parallel connection are in the input of decompression voltage regulator 3, the input anode of DC voltage-stabilizing chip U1 links to each other with the input anode of decompression voltage regulator 3, and the output head anode of decompression voltage regulator 3 links to each other with the input of reduction voltage circuit.
Described the second capacitor C 2 is preferably 10 μ F/25V electrochemical capacitors for being no more than 100 μ F; Described the 4th capacitor C 4 is the 1nF-10nF/25V thin-film capacitor;
Described reduction voltage circuit is by the first resistance and second resistance of series connection, and the 7th diode that is connected between U1 output and C3 forms, wherein: the first resistance R 1 and the second resistance R 2 consist of the output voltage sampling feedback circuit, so that the stable output of reduction voltage circuit is at the magnitude of voltage of expectation, the 7th diode D7 is used for preventing that the electric charge on the farad capacitor from releasing by the first resistance R 1 and the second resistance R 2.
Described the first resistance R 1 is 12K, 1/8W; Described the second resistance R 2 is 10K Ω, 1/8W
Described the 7th diode D7 is 1A1 or 1N4001;
As shown in Figure 2, described receiving coil L is the printed circuit receiving coil that is attached to pcb board 5, totally 15 circle and peripheral width 12mm; Described resonant capacitance C1 is 0.1 μ F/200V thin-film capacitor;
Described storage capacitor C3 should select farad capacitor capacious as far as possible under the prerequisite that physical dimension allows, usually at 1-33F, rated voltage is 2.0V-2.5V; Be preferably 10F/2.5V(and be used for AA type battery) or 3.3F/2.5V (AAA type battery);
As shown in Figure 1, the present embodiment also is furnished with charging mechanism 4, this charging mechanism is realized by the USB charging inlet with buck diode D1 and D2, USB interface in the present embodiment is selected mini USB-B or Micro USB-B interface, utilize in the USB interface+the 5V power supply provides the second charging modes for super capacitor C3 charging.
Described the first and second diode D1, D2 are 1A1 or 1N4001;
As shown in Figure 3, be the shell 6 with anode 7 and negative pole 8, wherein: described storage capacitor C3 is positioned at the front end of housing 6, and rectification circuit 2 and decompression voltage regulator 3 lay respectively at the middle part of housing 6, and charging mechanism 4 is positioned at the afterbody of housing 6.
The length of described shell 6 is 49mm, and height and width are 14mm, are complementary with common AA type battery.Other size battery such as A or AAA type, then needs to adjust shell sizes.
When the voltage drop of storage capacitor C3 was following to the minimum operating voltage (being generally about 1V) of remote controller permission, capacitor batteries needed charging.When charging with the radio induction charging device, needing near the close radio induction charging device transmitting coil of the printed circuit receiving coil of battery case lid, only to need about 2 minutes time just storage capacitor C3 can be charged to 1.6V from 0V.Usually, use the capacitor batteries that recharges after a period of time, still have certain residual charge among its inner storage capacitor C3, in this case, the required charging interval can be shorter.
When charging with USB, then need power supply is taken out from battery case, utilize USB cable, miniUSB or microUSB and other USB charging inlet of connecting capacitor batteries, because USB can provide the charging current of 500mA, the farad capacitor of 10F only needs 10F * 1.6V/0.5A=32 just can be charged to 1.6V from 0 volt second.
As shown in Figure 1, the first and second utmost point pipe D1, D2 can reduce USB charging voltage+5V approximately 1.4 volts, can effectively reduce DC voltage-stabilizing chip U1(such as LM1117 like this) input and output pressure reduction, reduce the caloric value of U1, also can prevent the USB reverse power connection simultaneously; The output voltage of the first resistance R 1 and the second resistance R 2 dividing potential drops sampling U1 is used for the feedback output voltage among the figure, can be so that the desired voltage values 2.3V of U1 stable output, by diode D7 step-down 0.7V, can obtain the charging that about 1.6V output voltage is used for farad capacitor.In charging interval not, another critical function of diode D7 is exactly that blocking-up storage capacitor C3 is by the discharge of R1 and R2.
As shown in Figure 2, be the compatible AA model of physical dimension dry cell (No. 5 battery sizes: diameter 14mm, length 49mm) the AA model capacitor batteries structure chart with shell 6 substitutes other various models (A, AAA, SC, C, D, N, F) structure and Fig. 2 of the capacitance energy storage battery of dry cell are similar, and just physical dimension needs to adjust by the size of each size battery.The induction receiving coil adopts the coil of printing at the back side of pcb board 5, the front mid portion of pcb board 5 is the surface mount elements face, between described storage capacitor C3 and the pcb board 5, between USB connector and the pcb board 5, the outside of storage capacitor C3 and the outside of USB connector be equipped with anti-eddy-current screen layer 9.
Should prevent that the thickness of eddy-current screen layer 9 was 0.5-0.8mm, and can use PC44 or other close soft magnetic material of performance of TDK, its effect is that high frequency magnetic field produces strong eddy current at the metal shell of farad capacitor and USB connector when preventing induction charging.
Described anti-eddy-current screen layer 9 is fixed with glue with pcb board, and the farad capacitor of Length Ratio conductively-closed and USB connector are slightly long.
As shown in Figure 6, the present embodiment relates to a kind of wireless charger for above-mentioned battery, comprise: AC/DC power supply 10, control module 11, pwm driver 12, inversion half-bridge circuit 13, radiating circuit 14, inspection leakage resistance Rx and current signal treatment circuit 15, wherein: AC/DC power supply 10 receive 85V-264V exchange input and export respectively 5V and the 18V direct current to the power end of control module 11 and inversion half-bridge circuit 13, control module 11 output pwm signals are to pwm driver 12, pwm driver 12 links to each other with the input of inversion half-bridge circuit 13 and the output drive electric current, the output of inversion half-bridge circuit 13 links to each other with radiating circuit 13, the feedback end of inversion half-bridge circuit 13 links to each other with current signal treatment circuit 15 with inspection leakage resistance Rx respectively, by inspection leakage resistance Rx the output current of radiating circuit 14 is transformed into feedback voltage, obtain the pulse signal of a reflection power frequency and the voltage signal of a reflection current amplitude through overcurrent signal treatment circuit 15, and export respectively counter end and the AD sampling end of control module 11 to, whether control module 11 judges whether to remain charging load and storage capacitor charging according to the size of the output current of radiating circuit 14 and is full of.
Described inversion half-bridge circuit 13 is made of the 5th and the 6th capacitor C 5, C6, the first and second metal-oxide-semiconductor Q1, Q2, this inverter is exported alternating current with the 100-200Khz frequency under the PWM of control module control, this current drives transmitting coil produces alternating magnetic field, receiving coil is sensed alternating magnetic field and is produced resonance in the resonant capacitance with receiving circuit, realizes that the wireless power of maximal efficiency transmits.
Once in the complete charging process current waveform of radiating circuit as shown in Figure 7, when charger was unloaded, emission current was minimum I
0In to capacitor batteries load charging process, as shown in Figure 7, emission current can experience one and be climbed to peak, then the process of slow decreasing.Control module 11 control radiating circuit work 100ms detect the current amplitude during this, if continue at I
0Near, then showing without load to be charged, radiating circuit repeats above process after suspending 1 second again; If electric current has obvious ascendant trend during 100ms, then maintenance work, electric current to be launched occurs beginning slow decreasing after the maximum, complete charge after delay time a period of time again (such as 30 seconds).If emission current continues at abnormal high level, there is the metal plate-like thing near then showing transmitting coil, current vortex occurs and cause emission current unusual at metallic plate, the charger automatic shutdown is also reported to the police.Whether control module 11 can also be that the frequency that present procedure is set judges whether radiating circuit is normal by the frequency that detects emission current.
Take AA model capacitor batteries as example, select the farad capacitor of 10F/2.5V, actual maximum charging voltage 1.6V, then the maximum storage electric charge is 10F * 1.6V=16C, with the 0.2A current charges, required time is 16C/0.2A=80S.The minimum operating voltage of dry cell is generally 1V, and then can to utilize electric charge be (1.6V-1.0V) * 10F=6C to remote controller reality.If the farad capacitor with 1 joint 10F/1.6V is powered to domestic electrical equipment remote controller, suppose that the remote controller standby current is that 1 μ A(majority all is lower than 1 μ A), self discharge electric current representative value is 22 μ A, then stand-by time can reach 6C/ (22 μ A+1 μ A)=2.6 * 10 in theory
5S=3 days; Supposing in the serial code that the each button of remote controller sends has 10bits to need the outer transmitting tube of 15mA current point azarin, light duration 3ms at every turn, then each button consumes the electric charge of storage capacitor 18mA * 15 * 4mS=1080 μ C, and the reality of 6C can utilize electric charge can supply C=5555 button of 6C/1080 μ.So, it is feasible coming the low power dissipation electron power devices for similar home used remote controler with the farad capacitance energy storage, compare with conventional dry cell batteries, this new battery does not contain the harmful substances such as heavy metal, and can quick charge, the maximum charge time is no more than 2 minutes, and AA model capacitor batteries once is full of electricity can standby approximately 3 days, can be for touch potential about about 5,000 times.
Claims (10)
1. capacitance energy storage type rechargeable battery, it is characterized in that, comprise: the receiving coil by series connection that connects successively becomes resonance receiving circuit, rectification circuit, decompression voltage regulator and storage capacitor with the resonance capacitance group, wherein: receiving coil cooperates the resonant capacitance induction to receive the electromagnetic energy that the wireless induction transmitting coil is sent, and produces stable 1.6V direct voltage for storage capacitor is charged by rectification circuit and decompression voltage regulator.
2. capacitance energy storage type rechargeable battery according to claim 1 is characterized in that, described storage capacitor is farad capacitor, and capacitance is 1-33F, and rated voltage is 2.0V-2.5V.
3. capacitance energy storage type rechargeable battery according to claim 1 is characterized in that, that the output of described rectification circuit is provided with is in parallel with decompression voltage regulator, with the charging mechanism of buck diode group.
4. capacitance energy storage type rechargeable battery according to claim 3, it is characterized in that, on described resonant circuit, rectification circuit, decompression voltage regulator, charging mechanism and the storage capacitor encapsulation pcb board in the enclosure, this shell is column structure, this cylinder section is comprised of semicircle and rectangle, and wherein: the width of cylindrical diameter and cuboid is consistent and be complementary with the diameter of standard cell;
Described storage capacitor is positioned at the front end of housing, and rectification circuit and decompression voltage regulator lay respectively at the middle part of housing, and charging mechanism is positioned at the afterbody of housing; Between described storage capacitor and the pcb board, between charging mechanism and the pcb board, the outside of storage capacitor and the outside of charging mechanism be equipped with anti-eddy-current screen layer.
5. according to claim 1 or 4 described capacitance energy storage type rechargeable batteries, it is characterized in that, described rectification circuit is the diode rectifier circuit that four low voltage difference diodes form.
6. according to claim 1 or 4 described capacitance energy storage type rechargeable batteries, it is characterized in that, described decompression voltage regulator comprises: DC voltage-stabilizing chip, the reduction voltage circuit that is comprised of resistance and diode and the filter capacitor of two parallel connections, wherein: the second electric capacity and the 4th Capacitance parallel connection are in the input of decompression voltage regulator, the input anode of DC voltage-stabilizing chip links to each other with the input anode of decompression voltage regulator, and the output head anode of decompression voltage regulator links to each other with the input of reduction voltage circuit.
7. capacitance energy storage type rechargeable battery according to claim 6, it is characterized in that, described reduction voltage circuit is by the first resistance and second resistance of series connection, and the 7th diode that is connected between U1 output and C3 forms, wherein: the first resistance and the second resistance consist of the output voltage sampling feedback circuit, so that the stable output of reduction voltage circuit is at the magnitude of voltage of expectation, the 7th diode is used for preventing that the electric charge on the farad capacitor from releasing by the first resistance and the second resistance.
8. capacitance energy storage type rechargeable battery according to claim 1 is characterized in that, described receiving coil is the printed circuit receiving coil that is attached to pcb board, totally 15 circle and peripheral width 12mm.
9. wireless charger according to the described capacitance energy storage type rechargeable battery of above-mentioned arbitrary claim, it is characterized in that, comprise: the AC/DC power supply, control module, pwm driver, the inversion half-bridge circuit, radiating circuit, inspection leakage resistance Rx and current signal treatment circuit, wherein: the AC/DC power supply receive 85V-264V exchange input and export respectively 5V and the 18V direct current to the power end of control module and inversion half-bridge circuit, the control module output pwm signal is to pwm driver, pwm driver links to each other with the input of inversion half-bridge circuit and the output drive electric current, the output of inversion half-bridge circuit links to each other with radiating circuit, the feedback of radiating circuit comprises inspection leakage resistance Rx and current signal treatment circuit, by inspection leakage resistance Rx the output current of radiating circuit is transformed into feedback voltage, obtain the pulse signal of a reflection power frequency and the voltage signal of a reflection current amplitude through the overcurrent signal treatment circuit, and exporting respectively counter end and the AD sampling end of control module to, control module judges currently whether capacitor batteries to be charged is arranged and whether finished charging according to the size of the output current of radiating circuit.
10. wireless charger according to claim 9, it is characterized in that, described inversion half-bridge circuit is made of the 5th and the 6th electric capacity, the first and second metal-oxide-semiconductors, this inverter is exported alternating current with the frequency of 100-200Khz under the PWM of control module control, this current drives transmitting coil produces alternating magnetic field, receiving coil is sensed alternating magnetic field and is produced resonance in the resonant capacitance with receiving circuit, realizes that the wireless power of maximal efficiency transmits.
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| CN2013100306281A CN103051040A (en) | 2013-01-28 | 2013-01-28 | Capacitive energy storage type rechargeable battery and charging device thereof |
| PCT/CN2013/080588 WO2014114069A1 (en) | 2013-01-28 | 2013-08-01 | Capacitive storage-type rechargeable battery and charging device thereof |
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| CN2013100306281A CN103051040A (en) | 2013-01-28 | 2013-01-28 | Capacitive energy storage type rechargeable battery and charging device thereof |
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