CN203014464U - Wireless charging device having bypass control - Google Patents
Wireless charging device having bypass control Download PDFInfo
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- CN203014464U CN203014464U CN2012206678344U CN201220667834U CN203014464U CN 203014464 U CN203014464 U CN 203014464U CN 2012206678344 U CN2012206678344 U CN 2012206678344U CN 201220667834 U CN201220667834 U CN 201220667834U CN 203014464 U CN203014464 U CN 203014464U
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Abstract
The utility model relates to a wireless charging device having bypass control. The wireless charging device having bypass control comprises a logic control unit in electrical connection with a wireless emission unit, the wireless emission unit, a full bridge inverter, a boost-buck unit, a discharging switch unit and a counter current preventer, wherein the discharging switch unit is connected with a cell, and an inlet end of the counter current preventer is connected with a charging end. When the charging end is connected with an external power source, the logic control unit starts the counter current preventer to enable the discharging switch unit to be closed, boost of input voltage of the external power source is carried out by the boost-buck unit, direct current is converted into alternating current through the full bridge inverter, coils in the wireless emission unit induce the alternating current to provide emission power, so an electronic product at a relative side realizes wireless charging after receiving the emission power of the wireless emission unit.
Description
Technical field
The utility model relates to a kind of wireless charging device with Bypass Control, refers to especially a kind ofly when having when connecting external power source, and adopts the external power source emission mode, and breaks away from the power supply from battery; Otherwise, if detecting can start the battery emission mode during less than external power source, automatically allow the electric power of battery that the emission electric power of wireless transmitting unit is provided.
Background technology
Day by day prevailing along with wireless charging certainly will develop into the state of wireless charging everywhere future.
Though but wireless charging brings great convenience everywhere, no matter be only wired or wireless charging, the first surging that produces that is at every turn charging, all will inevitably cause to battery the damage of accumulation formula, and then accumulation formula impairment battery life, in other words, more and more many along with charging times, the life-span of battery is also corresponding more and more short, and the efficiency for charge-discharge of battery is also more and more poor.
Hence one can see that, and known wireless charging device is to provide emission electric power with battery, the not good disappearance of efficient that so easily causes the useful life of loss battery and emission electric power is provided.
In view of this, the utility model people is think of, the design team's system of grinding with great concentration, and the phase can provide a kind of wireless charging device with Bypass Control, when the external power source of connection is arranged, and adopts the external power source emission mode, and breaks away from the power supply from battery; Otherwise, if detecting can start the battery emission mode during less than external power source, automatically allow the electric power of battery that the emission electric power of wireless transmitting unit is provided, be the creation motivation person that the utility model wants to grind wound.
The utility model content
The purpose of this utility model is to provide a kind of wireless charging device with Bypass Control, to improve the defective that exists in known technology.
For achieving the above object, the wireless charging device with Bypass Control that the utility model provides comprises:
One logic control element;
One wireless transmitting unit connects this logic control element;
One full-bridge inverter connects this wireless transmitting unit and this logic control element;
One buck unit connects this full-bridge inverter and this logic control element;
One discharge switching element is provided with a battery link, a signal controlling end and an output, and this signal controlling end connects this logic control element, and this output connects this buck unit;
One battery connects the battery link of this discharge switching element;
One control switch, this control switch one end connects this battery link, and this control switch other end connects this signal control end via one first diode; And
One adverse current preventer, have an arrival end, a port of export and a control end, this arrival end connects one first resistance one end and a charging end, this the first resistance other end connects this logic control unit and one second resistance one end, this the second resistance other end ground connection, and this port of export is connected between this discharge switching element and buck unit, and this control end connects this logic control element again.
described wireless charging device with Bypass Control, wherein this adverse current preventer comprises: a first transistor, one transistor seconds, one the 3rd resistance, one first bipolarity junction transistor and one the 4th resistance, this the first transistor and this transistor seconds respectively have respectively a drain electrode end, one source pole end and a gate terminal, the 3rd resistance one end connects the source terminal of this first transistor and this transistor seconds, the 3rd resistance other end connects gate terminal and this first bipolarity junction transistor of this first transistor and this transistor seconds, this the first bipolarity junction transistor has a collector terminal again, one emitter-base bandgap grading end, one base terminal, this collector terminal connects the 3rd resistance other end, this emitter-base bandgap grading end ground connection, this base terminal connects this logic control element via one the 4th resistance.
Described wireless charging device with Bypass Control, wherein this first transistor and this transistor seconds respectively are respectively a mos field effect transistor.
Described wireless charging device with Bypass Control, wherein this discharge switching element comprises: one the 3rd transistor, one the 4th transistor, one the 5th resistance, one the 6th resistance and one second bipolarity junction transistor; The 3rd transistor and the 4th transistor respectively have respectively a drain electrode end, one source pole end and a gate terminal again, the 5th resistance one end connects the 3rd transistor and the 4th transistorized source terminal, and the 5th resistance other end connects the 3rd transistor and the 4th transistorized gate terminal and this second bipolarity junction transistor; This second bipolarity junction transistor has a collector terminal, an emitter-base bandgap grading end and a base terminal again, and this collector terminal connects the 5th resistance other end, this emitter-base bandgap grading end ground connection, and this base terminal connects this signal controlling end via one the 6th resistance.
Described wireless charging device with Bypass Control, wherein the 3rd transistor and the 4th transistor respectively are respectively a mos field effect transistor.
described wireless charging device with Bypass Control, wherein this buck unit comprises: an inductance, one the 5th transistor, one the 6th transistor and an electric capacity, this inductance one end connects this adverse current preventer and this discharge switching element, the inductance other end connects between the 5th transistor and the 6th transistor, the the 5th and the 6th transistor respectively has respectively a drain electrode end, one source pole end and a gate terminal, the 5th transistorized source terminal connects the 6th transistorized drain electrode end, the 5th transistorized drain electrode end connects this electric capacity one end and this full-bridge inverter, this electric capacity other end ground connection.
Described wireless charging device with Bypass Control, wherein the 5th transistor and the 6th transistor respectively are respectively a mos field effect transistor.
Described wireless charging device with Bypass Control, wherein this full-bridge inverter has one first pin, one second pin, one the 3rd pin and one the 4th pin, this first pin connects this buck unit, this second pin and the 4th pin connect this wireless transmitting unit, the 3rd pin ground connection.
Described wireless charging device with Bypass Control, wherein this full-bridge inverter comprises: one the 7th transistor, one the 8th transistor, one the 9th transistor and 1 the tenth transistor, and the 7th transistor, the 8th transistor, the 9th transistor and the tenth transistor respectively have respectively a gate terminal, connect this logic control element by this gate terminal respectively.
Described wireless charging device with Bypass Control, wherein the 7th transistor, the 8th transistor, the 9th transistor and the tenth transistor respectively are respectively a mos field effect transistor.
described wireless charging device with Bypass Control, wherein this logic control element has a sense terminal, a Digital Signals end, an adverse current and prevents that signal end, the emission from keeping end, an emitting identification end, one first pulse width modulation control end, one second pulse width modulation control end, one first control end, one second control end, one the 3rd control end, one the 4th control end, a voltage end and an emissioning controling signal end, this sense terminal connects the other end and this second resistance one end of this first resistance, this Digital Signals end connects this signal controlling end via one second diode, this adverse current prevents that signal end from connecting the control end of this adverse current preventer, this emission keeps end to connect the signal controlling end of this discharge switching element via one the 3rd diode, this emitting identification end connects the signal controlling end of this discharge switching element via one the 7th resistance, this the first pulse width modulation control end and this second pulse width modulation control end connect this buck unit, this first control end, this second control end, the 3rd control end and the 4th control end sequentially connect this full-bridge inverter, this voltage end connects between this buck unit and this full-bridge inverter, this emissioning controling signal end connects this wireless transmitting unit.
Described wireless charging device with Bypass Control, wherein the charging end of this adverse current preventer connects an external power source.
Described wireless charging device with Bypass Control, wherein this control switch is an automatic reset switch.
Comprehensively above-mentioned, arrange characteristics of the present utility model as follows:
1) the utility model can extend the useful life of battery, when the external power source of connection is arranged, and adopts the external power source emission mode, and breaks away from the power supply from battery; Otherwise, if detecting can start the battery emission mode during less than external power source, automatically allow the electric power of battery that the emission electric power of wireless transmitting unit is provided.
2) the utility model becomes the action battery when outdoor application, allows the electronic product of opposite side corresponding receive electric power that this wireless transmitting unit is launched to reach the purpose of wireless charging.
3) the utility model service efficiency that can increase electric power is directly provided the emission electric power of this wireless transmitting unit by external power source.
Description of drawings
Fig. 1 is the block schematic diagram of the utility model embodiment.
Fig. 2 is the circuit diagram of the utility model embodiment.
Accompanying drawing primary clustering symbol description:
10 logic control elements, 101 sense terminals, 102 Digital Signals ends, 103 adverse currents prevent signal end, 104 emissions keep end, 105 emitting identification ends, 106 first pulse width modulation control ends, 107 second pulse width modulation control ends, 108 first control ends, 109 second control ends, 110 the 3rd control ends, 111 the 4th control ends, 112 voltage ends, 113 emissioning controling signal ends, 20 wireless transmitting unit, 30 full-bridge inverters, 31 first pins, 32 second pins, 33 the 3rd pins, 34 the 4th pins, 35 the 7th transistors, 36 the 8th transistors, 37 the 9th transistors, 38 the tenth transistors, 351, 361, 371, 381 gate terminal, 40 buck unit, 41 inductance, 42 the 5th transistors, 421, 431 drain electrode ends, 422, 432 source terminals, 423, 433 gate terminal, 43 the 6th transistors, 44 electric capacity, 50 discharge switching elements, 501 battery links, 502 signal controlling ends, 503 outputs, 53 control switchs, 531 first diodes, 532 second diodes, 533 the 3rd diodes, 534 the 7th resistance, 54 the 3rd transistors, 541, 551 drain electrode ends, 542, 552 source terminals, 543, 553 gate terminal, 55 the 4th transistors, 56 the 5th resistance, 57 second bipolarity junction transistors, 571 base stages, 572 collectors, 573 emitter-base bandgap gradings, 58 the 6th resistance, 60 adverse current preventers, 601 arrival ends, 611 first resistance, 612 charging ends, 613 second resistance, 602 control ends, 603 ports of export, 64 the first transistors, 65 transistor secondses, 66 the 3rd resistance, 67 first bipolarity junction transistors, 671 base terminals, 672 collector terminals, 673 emitter-base bandgap grading ends, 68 the 4th resistance, 641, 651 drain electrode ends, 642, 652 source terminals, 643, 653 gate terminal, 70 batteries.
Embodiment
The wireless charging device with Bypass Control that the utility model provides when the external power source of connection is arranged, and adopts the external power source emission mode, and breaks away from the power supply from battery.
The wireless charging device with Bypass Control that the utility model provides during less than external power source, can start the battery emission mode when detecting, automatically allows the electric power of battery that the emission electric power of wireless transmitting unit is provided.
Wireless charging device with Bypass Control of the present utility model, it comprises: a logic control element; One wireless transmitting unit connects this logic control element; One full-bridge inverter connects this wireless transmitting unit and this logic control element; One buck unit connects this full-bridge inverter and this logic control element; One discharge switching element is provided with a battery link, a signal controlling end and an output, and this signal controlling end connects this logic control element, and this output connects this buck unit; One battery connects the battery link of this discharge switching element; One control switch, this control switch one end connects this battery link, and this control switch other end connects this signal control end via one first diode; And an adverse current preventer, having an arrival end, a port of export and a control end, this arrival end connects one first resistance one end and a charging end, and this first resistance other end connects this logic control unit and one second resistance one end, this second resistance other end ground connection; And this port of export is connected between this discharge switching element and buck unit; This control end connects this logic control element again.
When the charging end of this adverse current preventer connects external power source, by this logic control element, this adverse current preventer is opened, make this discharge switching element close, and the input voltage of external power source can boost via this buck unit, by this full-bridge inverter, direct current is converted to alternating current again, and by the coil-induced alternating current in this wireless transmitting unit so that emission electric power to be provided, allow the electronic product of opposite side after sensing the emission electric power of this wireless transmitting unit to reach the purpose of wireless charging.
Thus, when the external power source of connection is arranged, and adopt the external power source emission mode, and break away from the power supply from battery; Otherwise, if detecting can start the battery emission mode during less than external power source, automatically allow the electric power of battery that the emission electric power of wireless transmitting unit is provided.
In order further to understand feature of the present utility model, characteristics and technology contents, see also following about detailed description of the present utility model and accompanying drawing, only accompanying drawing only provide with reference to and explanation use, non-in order to limit the utility model.
Please consult simultaneously Fig. 1 to shown in Figure 2, the utility model is a kind of wireless charging device with Bypass Control, and it comprises: a logic control element 10; One wireless transmitting unit 20 connects this logic control element 10; One full-bridge inverter 30 connects this wireless transmitting unit 20 and this logic control element 10; One buck unit 40 connects this full-bridge inverter 30 and this logic control element 10; One discharge switching element 50, be provided with a battery link 501, a signal controlling end 502 and an output 503, this signal controlling end 502 connects these logic control elements 10, and this output 503 connects this buck unit 40, and wherein this battery link 501 further connects batteries 70; One control switch 53, these control switch 53 1 ends connect this battery link 501, and these control switch 53 other ends connect this signal control end 502 via one first diode 531, and wherein this control switch 53 is an automatic reset switch; An and adverse current preventer 60, have an arrival end 601, a port of export 603 and a control end 602, this arrival end 601 connects one first resistance 64 1 ends and a charging end 612, wherein the charging end 612 of this adverse current preventer 6 further connects an external power source (not shown), these the first resistance 611 other ends connect this logic control element 10 and one second resistance 613 1 ends, these the second resistance 613 other end ground connection; And this port of export 603 is connected between this discharge switching element 50 and buck unit 40; This control end 602 connects this logic control element 10 again.
When the charging end 612 of this adverse current preventer 60 connects external power source, by this logic control element 10, this adverse current preventer 60 is opened, make this discharge switching element 50 close, and the input voltage of external power source can boost via this buck unit 40, by this full-bridge inverter 30, direct current is converted to alternating current again, and by the coil-induced alternating current in this wireless transmitting unit 20 so that emission electric power to be provided, allow the electronic product of opposite side after sensing the emission electric power of this wireless transmitting unit 20 to reach the purpose of wireless charging.
wherein, this adverse current preventer 60 comprises: a first transistor 64, one transistor seconds 65, one the 3rd resistance 66, one first bipolarity junction transistor 67 and one the 4th resistance 68, this the first transistor 64 and this transistor seconds 65 respectively have respectively a drain electrode end 641, 651, one source pole end 642, 652 and one gate terminal 643, 653, the 3rd resistance 66 1 ends connect the source terminal 642 of this first transistor 64 and this transistor seconds 65, 652, the 3rd resistance 66 other ends connect the gate terminal 643 of this first transistor 64 and this transistor seconds 65, 653 and this first bipolarity junction transistor 67, this the first bipolarity junction transistor 67 has a collector terminal 672 again, one emitter-base bandgap grading end 673, one base terminal 671, this collector terminal 672 connects the 3rd resistance 66 other ends, these emitter-base bandgap grading end 673 ground connection, this base terminal 671 connects this logic control element 10 via one the 4th resistance 68, wherein this first transistor 64 and this transistor seconds 65 respectively are respectively a mos field effect transistor.
Again, this discharge switching element 50 also comprises: one the 3rd transistor 54, one the 4th transistor 55, one the 5th resistance 56, one the 6th resistance 58 and one second bipolarity junction transistor 57; The 3rd transistor 54 and the 4th transistor 55 respectively have respectively a drain electrode end 541,551, one source pole end 542,552 and one gate terminal 543,553 again, the 5th resistance 56 1 ends connect the source terminal 542 of the 3rd transistor 54 and the 4th transistor 55, gate terminal 543 that 552, the five resistance 56 other ends connect the 3rd transistor 54 and the 4th transistor 55,553 and this second bipolarity junction transistor 57; This second bipolarity junction transistor 57 has a collector terminal 572, an emitter-base bandgap grading end 573 and a base terminal 571 again, this collector terminal 572 connects the 5th resistance 56 other ends, these emitter-base bandgap grading end 573 ground connection, this base terminal 571 connects this signal controlling end 502 via one the 6th resistance 58; Wherein, the 3rd transistor 54 and the 4th transistor 55 are respectively to be respectively a mos field effect transistor.
and, this buck unit 40 comprises: an inductance 41, one the 5th transistor 42, one the 6th transistor 43 and an electric capacity 44, these inductance 41 1 ends connect this adverse current preventer 60 and this discharge switching element 50, inductance 41 other ends connect between the 5th transistor 42 and the 6th transistor 43, the 5th transistor 42 and the 6th transistor 43 respectively have respectively a drain electrode end 421, 431, one source pole end 422, 432 and one gate terminal 423, 433, the source terminal 422 of the 5th transistor 42 connects the drain electrode end 431 of the 6th transistor 43, the drain electrode end 421 of the 5th transistor 42 connects this electric capacity 44 1 ends and this full-bridge inverter 30, these electric capacity 44 other end ground connection.Wherein the 5th transistor 42 and the 6th transistor 43 respectively are respectively a mos field effect transistor.
Moreover, this full-bridge inverter 30 has one first pin 31, one second pin 32, one the 3rd pin 33 and one the 4th pin 34, this first pin 31 connects this buck unit 40, and this second pin 32 and the 4th pin 34 connect these wireless transmitting unit, the 3rd pin 33 ground connection; This full-bridge inverter 30 also comprises again: one the 7th transistor 35, one the 8th transistor 36, one the 9th transistor 37 and 1 the tenth transistor 38, and the 7th transistor 35, the 8th transistor 36, the 9th transistor 37 and the tenth transistor 38 respectively have respectively a gate terminal 351,361,371,381, connect these logic control elements 10 by this gate terminal 351,361,371 respectively, 381.Wherein the 7th transistor 35, the 8th transistor 36, the 9th transistor 37 and the tenth transistor 38 respectively are respectively a mos field effect transistor.
this logic control element 10 has a sense terminal 101, a Digital Signals end 102, an adverse current and prevents that signal end 103, the emission from keeping end 104, one emitting identification end 105, one first pulse width modulation control end 106, one second pulse width modulation control end 107, one first control end 108, one second control end 109, one the 3rd control end 110, one the 4th control end 111, a voltage end 112 and an emissioning controling signal end 113, this sense terminal 101 connects the other end and this second resistance 613 1 ends of this first resistance 611, this Digital Signals end 102 connects this signal controlling end 502 via one second diode 532, this adverse current prevents that signal end 103 from connecting the control end 602 of this adverse current preventer 60, this emission keeps end 104 to connect the signal controlling end 502 of this discharge switching element 50 via one the 3rd diode 533, this emitting identification end 105 connects the signal controlling end 502 of this discharge switching element 50 via one the 7th resistance 534, this the first pulse width modulation control end 106 and this second pulse width modulation control end 107 connects this buck unit 40, this first control end 108, this second control end 109, the 3rd control end 110 and the 4th control end 111 sequentially connect this full-bridge inverter 30, this voltage end 112 connects between this buck unit 40 and this full-bridge inverter 30, this emissioning controling signal end 113 connects this wireless transmitting unit 20.
The emission mode that the utlity model has the wireless charging device of Bypass Control provides comprises: battery emission mode and external power source emission mode.When the external power source of connection is arranged, and adopt the external power source emission mode, and break away from the power supply from battery 70; Otherwise, if detecting can start the battery emission mode during less than external power source, automatically allow the electric power of battery 70 that the emission electric power of wireless transmitting unit 20 is provided.
when adopting the battery emission mode: can switch or utilize the Digital Signals end 103 of this logic control element 10 to send signal and switch this discharge switching element 50 by pressing this control switch 53, make these discharge switching element 50 conductings enter the battery emission mode when pressing control switch 53, be to switch to the battery emission mode and make logic control element 10 identifications present, make this discharge switching element 50 and allow electric power pass through, then be connected to the voltage end 112 of logic control element 10 through the 5th transistor 42 of buck unit 40, to power to logic control element.
When logic control element 10 identification is the battery emission mode at present, can also utilize the 3rd diode 533 to allow the emission of this logic control element 10 keep end 104 as the use that continues to remain on the battery emission mode, and continue to provide the emission signal in this emitting identification end 105, thereby can remain on emission state.
Whether the opposite side that the emissioning controling signal end 113 of this logic control element 10 can be detected the wireless transmitting unit 20 of tool antenna in this exists electronic product to be filled, namely do not control and stop emission if detect logic control element 10, whether described detecting is to truly have a load to exist by the opposite side that emissioning controling signal end 112 is detected this wireless transmitting unit 20:
If non-loaded: as namely to stop emission;
If load is arranged: this logic control element 10 will be by its first and second pulse width modulation control end 106,107 and output signal removes to drive the 5th, the 6th transistor 42,43 in this buck unit 40.By the signal of this first pulse width modulation control end 106 and the second pulse width modulation control end 107 so that the 5th, the 6th transistor 42,43 one open-one closes that can interlock with very high frequency constantly, when the 6th transistor 43 is the pass for opening the 5th transistor 42, because being ground connection, an end of the 6th transistor 43 and battery 70 forms a loop, thereby make the electric power of battery 70 can be via the inductance 41 of discharge switching element 50 and buck unit 40, with the 6th transistor 43 of flowing through, thereby to inductance 41 chargings; When the 5th transistor 42 is the pass for opening the 6th transistor 43, from the electricity of battery 70 by after inductance 41, change and walk the 5th transistor 42 and allow inductance 41 discharge, and to should electric capacity 44 output DCs, this direct current is the direct current through synchronous rectified boost, through this full-bridge inverter 30, direct current is converted to alternating current again, externally provides emission electric power after these wireless transmitting unit 20 induction alternating currents to be provided.
In other words, opened for one open-one close and closes one by the 5th, the 6th transistor 42,43, to allow inductance 41 discharge and recharge, stored the direct current of process synchronous rectified boost by this electric capacity 44, through this full-bridge inverter 30, direct current is converted to alternating current again, this wireless transmitting unit 20 induction alternating currents to be provided and externally to launch electric power, allow the electronic product of opposite side can corresponding receive this wireless transmitting unit 20 launch electric power to reach the purpose of wireless charging.
When adopting the external power source emission mode:
after if the charging end of this adverse current preventer 60 612 connects external power source, the sense terminal 101 of this logic control element 10 can detect the connection external power source, and the wireless charging device of the utility model tool Bypass Control is switched to the external power source emission mode, the Digital Signals end 102 of this logic control element 10 can send signal this discharge switching element 50 is closed to prevent battery discharge at this moment, and this adverse current preventer 60 is opened, allow electric power that external power source provides directly be conducting to this buck unit 40, make electric power that external power source provides carry out synchronous rectified boost through this buck unit 40, via this full-bridge inverter 30, direct current is converted to alternating current again, after being provided, these wireless transmitting unit 20 induction alternating currents externally provide emission electric power.
Whether the opposite side that the emissioning controling signal end 113 of this logic control element 10 can be detected the wireless transmitting unit 20 of tool antenna in this exists electronic product to be filled, namely do not control and stop emission if detect logic control element 20, whether described detecting is to truly have a load to exist by the opposite side that emissioning controling signal end 113 is detected this wireless transmitting unit 20:
If non-loaded: as namely to stop emission;
If load is arranged: this logic control element 10 will be by its first and second pulse width modulation control end 106,107 and output signal removes to drive the 5th, the 6th transistor 42,43 in this buck unit 40.By the signal of this first pulse width modulation control end 106 and the second pulse width modulation control end 107 so that the 5th, the 6th transistor 42,43 one open-one closes that can interlock with very high frequency constantly, when the 6th transistor 43 is the pass for opening the 5th transistor 42, because being ground connection, an end of the 6th transistor 43 and external power source forms a loop, thereby make the electric power of external power source can be via the inductance of this adverse current preventer 60 and buck unit 40, with the 6th transistor 43 of flowing through, thereby to inductance 41 chargings; When the 5th transistor 42 is the pass for opening the 6th transistor 43, from the electricity of battery by after inductance 41, change and walk the 5th transistor 42 and allow inductance 41 discharge, and to should electric capacity 44 output DCs, this direct current is the direct current through synchronous rectified boost, this full-bridge inverter 30 of process is converted to alternating current with the direct current of synchronous rectified boost again, externally provides emission electric power after these wireless transmitting unit 20 induction alternating currents to be provided.
In other words, opened for one open-one close and closes one by the 5th, the 6th transistor 42,43, to allow inductance 41 discharge and recharge, stored the direct current of process synchronous rectified boost by this electric capacity 44, through this full-bridge inverter 30, direct current is converted to alternating current again, this wireless transmitting unit 20 induction alternating currents to be provided and externally to launch electric power, allow the electronic product of opposite side can receive required this wireless transmitting unit 20 launch electric power to reach the purpose of wireless charging.
The above is only better possible embodiments of the present utility model, non-so namely limit to the scope of the claims of the present utility model, such as use the equivalent structure that the utility model specification and accompanying drawing content are done to change, all reason is with being contained in claim scope of the present utility model.
Claims (13)
1. the wireless charging device with Bypass Control, is characterized in that, comprising:
One logic control element;
One wireless transmitting unit connects this logic control element;
One full-bridge inverter connects this wireless transmitting unit and this logic control element;
One buck unit connects this full-bridge inverter and this logic control element;
One discharge switching element is provided with a battery link, a signal controlling end and an output, and this signal controlling end connects this logic control element, and this output connects this buck unit;
One battery connects the battery link of this discharge switching element;
One control switch, this control switch one end connects this battery link, and this control switch other end connects this signal control end via one first diode; And
One adverse current preventer, have an arrival end, a port of export and a control end, this arrival end connects one first resistance one end and a charging end, this the first resistance other end connects this logic control unit and one second resistance one end, this the second resistance other end ground connection, and this port of export is connected between this discharge switching element and buck unit, and this control end connects this logic control element again.
2. has as claimed in claim 1 the wireless charging device of Bypass Control, it is characterized in that, this adverse current preventer comprises: a first transistor, one transistor seconds, one the 3rd resistance, one first bipolarity junction transistor and one the 4th resistance, this the first transistor and this transistor seconds respectively have respectively a drain electrode end, one source pole end and a gate terminal, the 3rd resistance one end connects the source terminal of this first transistor and this transistor seconds, the 3rd resistance other end connects gate terminal and this first bipolarity junction transistor of this first transistor and this transistor seconds, this the first bipolarity junction transistor has a collector terminal again, one emitter-base bandgap grading end, one base terminal, this collector terminal connects the 3rd resistance other end, this emitter-base bandgap grading end ground connection, this base terminal connects this logic control element via one the 4th resistance.
3. have as claimed in claim 2 the wireless charging device of Bypass Control, it is characterized in that, this first transistor and this transistor seconds respectively are respectively a mos field effect transistor.
4. have as claimed in claim 1 the wireless charging device of Bypass Control, it is characterized in that, this discharge switching element comprises: one the 3rd transistor, one the 4th transistor, one the 5th resistance, one the 6th resistance and one second bipolarity junction transistor; The 3rd transistor and the 4th transistor respectively have respectively a drain electrode end, one source pole end and a gate terminal again, the 5th resistance one end connects the 3rd transistor and the 4th transistorized source terminal, and the 5th resistance other end connects the 3rd transistor and the 4th transistorized gate terminal and this second bipolarity junction transistor; This second bipolarity junction transistor has a collector terminal, an emitter-base bandgap grading end and a base terminal again, and this collector terminal connects the 5th resistance other end, this emitter-base bandgap grading end ground connection, and this base terminal connects this signal controlling end via one the 6th resistance.
5. have as claimed in claim 4 the wireless charging device of Bypass Control, it is characterized in that, the 3rd transistor and the 4th transistor respectively are respectively a mos field effect transistor.
6. has as claimed in claim 1 the wireless charging device of Bypass Control, it is characterized in that, this buck unit comprises: an inductance, one the 5th transistor, one the 6th transistor and an electric capacity, this inductance one end connects this adverse current preventer and this discharge switching element, the inductance other end connects between the 5th transistor and the 6th transistor, the the 5th and the 6th transistor respectively has respectively a drain electrode end, one source pole end and a gate terminal, the 5th transistorized source terminal connects the 6th transistorized drain electrode end, the 5th transistorized drain electrode end connects this electric capacity one end and this full-bridge inverter, this electric capacity other end ground connection.
7. have as claimed in claim 6 the wireless charging device of Bypass Control, it is characterized in that, the 5th transistor and the 6th transistor respectively are respectively a mos field effect transistor.
8. has as claimed in claim 1 the wireless charging device of Bypass Control, it is characterized in that, this full-bridge inverter has one first pin, one second pin, one the 3rd pin and one the 4th pin, this first pin connects this buck unit, this second pin and the 4th pin connect this wireless transmitting unit, the 3rd pin ground connection.
9. has as claimed in claim 8 the wireless charging device of Bypass Control, it is characterized in that, this full-bridge inverter comprises: one the 7th transistor, one the 8th transistor, one the 9th transistor and 1 the tenth transistor, and the 7th transistor, the 8th transistor, the 9th transistor and the tenth transistor respectively have respectively a gate terminal, connect this logic control element by this gate terminal respectively.
10. have as claimed in claim 9 the wireless charging device of Bypass Control, it is characterized in that, the 7th transistor, the 8th transistor, the 9th transistor and the tenth transistor respectively are respectively a mos field effect transistor.
11. have as claimed in claim 1 the wireless charging device of Bypass Control, it is characterized in that, this logic control element has a sense terminal, a Digital Signals end, an adverse current and prevents that signal end, the emission from keeping end, an emitting identification end, one first pulse width modulation control end, one second pulse width modulation control end, one first control end, one second control end, one the 3rd control end, one the 4th control end, a voltage end and an emissioning controling signal end, this sense terminal connects the other end and this second resistance one end of this first resistance, this Digital Signals end connects this signal controlling end via one second diode, this adverse current prevents that signal end from connecting the control end of this adverse current preventer, this emission keeps end to connect the signal controlling end of this discharge switching element via one the 3rd diode, this emitting identification end connects the signal controlling end of this discharge switching element via one the 7th resistance, this the first pulse width modulation control end and this second pulse width modulation control end connect this buck unit, this first control end, this second control end, the 3rd control end and the 4th control end sequentially connect this full-bridge inverter, this voltage end connects between this buck unit and this full-bridge inverter, this emissioning controling signal end connects this wireless transmitting unit.
12. have as claimed in claim 1 the wireless charging device of Bypass Control, it is characterized in that, the charging end of this adverse current preventer connects an external power source.
13. have as claimed in claim 1 the wireless charging device of Bypass Control, it is characterized in that, this control switch is an automatic reset switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206678344U CN203014464U (en) | 2012-12-07 | 2012-12-07 | Wireless charging device having bypass control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206678344U CN203014464U (en) | 2012-12-07 | 2012-12-07 | Wireless charging device having bypass control |
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| Publication Number | Publication Date |
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| CN203014464U true CN203014464U (en) | 2013-06-19 |
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| CN2012206678344U Expired - Fee Related CN203014464U (en) | 2012-12-07 | 2012-12-07 | Wireless charging device having bypass control |
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| CN (1) | CN203014464U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106134033A (en) * | 2014-03-28 | 2016-11-16 | 三星电子株式会社 | For the method that battery is charged and electronic installation |
| CN108539832A (en) * | 2018-03-16 | 2018-09-14 | 维沃移动通信有限公司 | Wireless charging receiving terminal equipment, wireless charging method, system and terminal device |
| US10199837B2 (en) | 2014-03-28 | 2019-02-05 | Samsung Electronics Co., Ltd. | Method for charging battery and electronic device |
-
2012
- 2012-12-07 CN CN2012206678344U patent/CN203014464U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106134033A (en) * | 2014-03-28 | 2016-11-16 | 三星电子株式会社 | For the method that battery is charged and electronic installation |
| US10199837B2 (en) | 2014-03-28 | 2019-02-05 | Samsung Electronics Co., Ltd. | Method for charging battery and electronic device |
| CN106134033B (en) * | 2014-03-28 | 2020-09-04 | 三星电子株式会社 | Method and electronic device for charging battery |
| CN108539832A (en) * | 2018-03-16 | 2018-09-14 | 维沃移动通信有限公司 | Wireless charging receiving terminal equipment, wireless charging method, system and terminal device |
| US11239706B2 (en) | 2018-03-16 | 2022-02-01 | Vivo Mobile Communication Co., Ltd. | Wireless charging receiving device, wireless charging method and system, and terminal device |
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Legal Events
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20181207 |