CN104578222A - Wireless charging device and system - Google Patents
Wireless charging device and system Download PDFInfo
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- CN104578222A CN104578222A CN201310516792.3A CN201310516792A CN104578222A CN 104578222 A CN104578222 A CN 104578222A CN 201310516792 A CN201310516792 A CN 201310516792A CN 104578222 A CN104578222 A CN 104578222A
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Abstract
The embodiment of the invention provides a wireless charging device and system, relates to the technical field of electronic, provides a wireless charging scheme, and aims to solve the problems that wireless charging equipment is heavy in design and a transmitting terminal only can correspond to a single receiving terminal, and improve wireless charging practicability of the equipment. The method comprises the following steps: an integral receiving capacitor is formed by correct para-position of a capacitor polar plate of a wireless charging receiving coil in a wireless charging adapter and the capacitor polar plate of a wireless charging receiving circuit in electronic equipment; the integral receiving capacitor, a first inductance coil and a rectifying circuit form a receiver; the receiver is in magnetic resonant coupling with a wireless charging emission source to receive electrical energy sent by the wireless charging emission source; power is supplied to the loading of to-be-charged equipment after rectifying by the rectifying circuit.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of wireless charging device and system.
Background technology
At present, wireless charging technology many employings capacitive coupling technique realizes Energy Transfer, and the capacitor be combined to form by transmitting terminal and receiving terminal transfers energy to receiver side.But this scheme needs the coil in receiver side circuit to be integrated in charging equipment mostly, current close coupling scheme also will add shielding magnetic sheet simultaneously, this not only adds the thickness of equipment, also add the weight of equipment, and some wireless charging accessories, as the wireless charging outer casing protective sleeve of mobile phone, power interface must be added on the protective sleeve and mobile phone carries out physical connection, charging could be realized, result also in the increase of protective sleeve volume; In addition when prior art carries out wireless charging, transmitting terminal and receiving terminal must one_to_one corresponding, and these problems all reduce the practicality that equipment carries out wireless charging.
Summary of the invention
Embodiments of the invention provide a kind of wireless charging device and system, solve wireless charging device design thick and heavy, and transmitting terminal can only the problem of corresponding single receiving terminal, thus improve the practicality that equipment carries out wireless charging.
For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect, provides a kind of wireless charging assembly, and described wireless charging assembly comprises:
Wireless charging receiving coil, wireless charging receiving circuit and wireless charging emission source;
Described wireless charging receiving coil comprises: the first inductance coil, the first capacitor plate and the second capacitor plate, the first end of described first inductance coil is electrically connected with described first capacitor plate, and the second end of described first inductance coil is electrically connected with described second capacitor plate;
Described wireless charging receiving circuit comprises: rectification circuit, the 3rd capacitor plate and the 4th capacitor plate, the first input end of described rectification circuit is electrically connected with described 3rd capacitor plate, and the second input of described rectification circuit is electrically connected with described 4th capacitor plate;
Described first capacitor plate and described 3rd capacitor plate form the first electric capacity when contraposition is correct, and described second capacitor plate and described 4th capacitor plate form the second electric capacity when contraposition is correct; Described contraposition correctly comprises: the right opposite of described first capacitor plate and described 3rd capacitor plate to amass in the first preset threshold range and polar plate spacing in the second preset threshold range, the right opposite of described second capacitor plate and described 4th capacitor plate to amass in described first preset threshold range and polar plate spacing in described second preset threshold range;
Described wireless charging emission source comprises: high frequency electric source, transmitting electric capacity and the second inductance coil, the first end of described second inductance coil is electrically connected with the first end of described transmitting electric capacity, second end of described second inductance coil is electrically connected with the first output of described high frequency electric source, and the second end of described transmitting electric capacity is electrically connected with the second output of described high frequency electric source;
Described transmitting electric capacity and described second inductance coil form the transmitting resonant network with default resonance frequency, and described first coil and described first electric capacity, described second electric capacity form and receives resonant network; If described reception resonant network and described transmitting resonant network meet magnetic resonance condition, described reception resonant network receives electric energy from described transmitting resonant network, described electric energy, by described rectification circuit, is transformed to direct current by alternating current and exports, for charging is carried out in load to be charged.
In conjunction with first aspect, in the implementation that the first is possible, the quantity of the described wireless charging receiving coil that described wireless charging assembly comprises is at least one, and the quantity of described wireless charging receiving circuit is at least one;
The quantity of described wireless charging receiving coil is equal with the quantity of described wireless charging receiving circuit.
In conjunction with first aspect, in the implementation that the second is possible, described wireless charging assembly also comprises:
Building-out capacitor, for adjusting the resonance frequency of described reception resonant network;
Described building-out capacitor is connected between the first end of described first inductance coil and described first capacitor plate, or described building-out capacitor is connected between the second end of described first inductance coil and described second capacitor plate; Or,
Described building-out capacitor is connected between the first input end of described rectification circuit and described 3rd capacitor plate, or, described building-out capacitor is connected between the second input of described rectification circuit and described 4th capacitor plate, again or, described building-out capacitor is connected in parallel between the first input end of described rectification circuit and the second input of described rectification circuit.
Second aspect, provides a kind of wireless charging receiving coil, and described wireless charging receiving coil comprises:
First inductance coil, the first capacitor plate and the second capacitor plate, the first end of described first inductance coil is electrically connected with described first capacitor plate, and the second end of described first inductance coil is electrically connected with described second capacitor plate;
Described first capacitor plate is used for forming the first electric capacity with the 3rd capacitor plate in wireless charging receiving circuit when contraposition is correct, and described second capacitor plate is used for forming the second electric capacity with the 4th capacitor plate in described wireless charging receiving circuit when contraposition is correct;
Described contraposition correctly comprises: the right opposite of described first capacitor plate and described 3rd capacitor plate to amass in the first preset threshold range and polar plate spacing in the second preset threshold range, the right opposite of described second capacitor plate and described 4th capacitor plate to amass in described first preset threshold range and polar plate spacing in described second preset threshold range;
Described first inductance coil is used for forming with described first electric capacity, described second electric capacity receiving resonant network, if described reception resonant network and described transmitting resonant network meet magnetic resonance condition, described reception resonant network receives electric energy from described transmitting resonant network.
In conjunction with second aspect, in the implementation that the first is possible, described wireless charging receiving coil also comprises:
Building-out capacitor, for adjusting the resonance frequency of described reception resonant network;
Described building-out capacitor is connected between the first end of described first inductance coil and described first capacitor plate, or described building-out capacitor is connected between the second end of described first inductance coil and described second capacitor plate.
The third aspect, provides a kind of wireless charging receiving circuit, and described wireless charging receiving circuit comprises:
Rectification circuit, the 3rd capacitor plate and the 4th capacitor plate, the first input end of described rectification circuit is electrically connected with described 3rd capacitor plate, and the second input of described rectification circuit is electrically connected with described 4th capacitor plate;
Described 3rd capacitor plate is used for forming the first electric capacity with the first capacitor plate in wireless charging receiving coil when contraposition is correct, and described 4th capacitor plate is used for forming the second electric capacity with the second capacitor plate in described wireless charging receiving coil when contraposition is correct;
Described contraposition correctly comprises: the right opposite of described 3rd capacitor plate and described first capacitor plate to amass in the first preset threshold range and polar plate spacing in the second preset threshold range, the right opposite of described 4th capacitor plate and described second capacitor plate to amass in described first preset threshold range and polar plate spacing in described second preset threshold range;
Described first electric capacity, described second electric capacity are used for forming with the first inductance coil in described wireless charging receiving coil receiving resonant network, if described reception resonant network and described transmitting resonant network meet magnetic resonance condition, described reception resonant network receives electric energy from described transmitting resonant network, described rectification circuit is used for that described electric energy is transformed to direct current by alternating current and exports, for charging is carried out in load to be charged.
In conjunction with the third aspect, in the implementation that the first is possible, described wireless charging receiving circuit also comprises:
Building-out capacitor, for adjusting the resonance frequency of described reception resonant network;
Described building-out capacitor is connected between the first input end of described rectification circuit and described 3rd capacitor plate, or, described building-out capacitor is connected between the second input of described rectification circuit and described 4th capacitor plate, again or, described building-out capacitor is connected in parallel between the first input end of described rectification circuit and the second input of described rectification circuit.
Fourth aspect, provides a kind of wireless charging emission source, and described wireless charging emission source comprises:
High frequency electric source, transmitting electric capacity and the second inductance coil, the first end of described second inductance coil is electrically connected with the first end of described transmitting electric capacity, second end of described second inductance coil is electrically connected with the first output of described high frequency electric source, and the second end of described transmitting electric capacity is electrically connected with the second output of described high frequency electric source;
Described transmitting electric capacity and described second inductance coil for forming the transmitting resonant network with default resonance frequency so that carry out magnetic resonance coupled transfer electric energy with one or more reception resonant network be made up of wireless charging receiving coil and wireless charging receiving circuit.
5th aspect, provides a kind of wireless charging adapter, and described wireless charging adapter comprises:
One or more wireless charging receiving coil as described in the first possible implementation of second aspect or second aspect.
In conjunction with the 5th aspect, in the implementation that the first is possible, described wireless charging adapter also comprises: the wireless charging emission source as described in fourth aspect.
6th aspect, provides a kind of electronic equipment, and described electronic equipment comprises:
Wireless charging receiving circuit as described in the first possible implementation of the third aspect or the third aspect and load;
Rectification circuit output end in described wireless charging receiving circuit is electrically connected with described load.
7th aspect, provides a kind of wireless charging system, and described wireless charging system comprises:
Wireless charging adapter as described in the 5th aspect, the wireless charging emission source as described in fourth aspect, and one or more electronic equipment as described in the 6th aspect; Or,
Wireless charging adapter as described in the first possible implementation of the 5th aspect and one or more electronic equipment as described in the 6th aspect.
Embodiments of the invention provide a kind of wireless charging device and system, by the correct contraposition of capacitor plate of wireless charging receiving circuit in the capacitor plate of wireless charging receiving coil in wireless charging adapter and electronic equipment, form complete reception electric capacity and form receiver with the first inductance coil, rectification circuit, be coupled with wireless charging emission source magnetic resonance, receive the electric energy that wireless charging emission source sends; Again after rectifier circuit rectifies for charging equipment load provides power supply.Like this, solve wireless charging device design thick and heavy, and transmitting terminal can only the problem of corresponding single receiving terminal, thus improve the practicality that equipment carries out wireless charging.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of wireless charging assembly that Fig. 1 provides for the embodiment of the present invention;
The circuit diagram of a kind of wireless charging receiving coil that Fig. 2 provides for the embodiment of the present invention;
The circuit diagram of a kind of wireless charging receiving circuit that Fig. 3 provides for the embodiment of the present invention;
A kind of wireless charging receiving coil that Fig. 4 provides for the embodiment of the present invention and the circuit diagram that wireless charging receiving circuit combines;
The circuit diagram of a kind of wireless charging emission source that Fig. 5 provides for the embodiment of the present invention;
The circuit diagram one of a kind of wireless charging receiving coil that Fig. 6 A provides for the embodiment of the present invention, wireless charging receiving circuit, wireless charging emission source combination;
The circuit diagram two of a kind of wireless charging receiving coil that Fig. 6 B provides for the embodiment of the present invention, wireless charging receiving circuit, wireless charging emission source combination;
The circuit diagram three of a kind of wireless charging receiving coil that Fig. 6 C provides for the embodiment of the present invention, wireless charging receiving circuit, wireless charging emission source combination;
The circuit diagram four of a kind of wireless charging receiving coil that Fig. 6 D provides for the embodiment of the present invention, wireless charging receiving circuit, wireless charging emission source combination;
The structural representation of a kind of wireless charging adapter that Fig. 7 provides for the embodiment of the present invention;
The structural representation of a kind of electronic equipment that Fig. 8 provides for the embodiment of the present invention;
The structural representation of a kind of wireless charging system that Fig. 9 provides for the embodiment of the present invention;
The structural representation of the another kind of wireless charging system that Figure 10 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiments of the invention provide a kind of wireless charging assembly 00, and as shown in Figure 1, this wireless charging assembly 00 comprises: wireless charging receiving coil 01, wireless charging receiving circuit 02, wireless charging emission source 03.
Wherein, wireless charging receiving coil 01 comprises: the first inductance coil L
s, the first capacitor plate C
s1pwith the second capacitor plate C
s2p; Wireless charging receiving circuit 02 comprises: rectification circuit 021, the 3rd capacitor plate C
s1swith the 4th capacitor plate C
s2s; Wireless charging emission source 03 comprises: high frequency electric source 031, transmitting electric capacity C
pwith the second inductance coil L
p.
Concrete, in wireless charging receiving coil 01, as shown in Figure 2, the first inductance coil L
sfirst end and the first capacitor plate C
s1pelectrical connection, the first inductance coil L
sthe second end and the second capacitor plate C
s2pelectrical connection;
In wireless charging receiving circuit 02, as shown in Figure 3, the first input end of rectification circuit 021 and the 3rd capacitor plate C
s1selectrical connection, the second input of rectification circuit 021 and the 4th capacitor plate C
s2selectrical connection.
First capacitor plate C
s1pwith the 3rd capacitor plate C
s1sfor forming the first electric capacity C when contraposition is correct
s1, described second capacitor plate C
s2pwith the 4th capacitor plate C
s2sthe second electric capacity C is formed when contraposition is correct
s2; First electric capacity C
s1with the second electric capacity C
s2for parallel combination as reception electric capacity C
s;
Wherein, contraposition correctly comprises: the right opposite of the first capacitor plate and the 3rd capacitor plate to amass in the first preset threshold range and polar plate spacing in the second preset threshold range, the right opposite of the second capacitor plate and the 4th capacitor plate to amass in the first preset threshold range and polar plate spacing in the second preset threshold range.
First inductance coil L
sfor with reception electric capacity C
s, rectification circuit 021 forms receiver 04, as shown in Figure 4, receiver 04 comprises by the first inductance coil L
swith reception electric capacity C
sthe reception resonant network formed, for receiving electric energy from wireless charging emission source 03.
Concrete, in wireless charging emission source 03, as shown in Figure 5, the second inductance coil L
pfirst end with launch electric capacity C
pfirst end electrical connection, the second inductance coil L
pthe second end be electrically connected with the first output of high frequency electric source 031, launch electric capacity C
pthe second end be electrically connected with the second output of high frequency electric source 031, the input termination externally fed of high frequency electric source 031;
Launch electric capacity C
pwith the second inductance coil L
pfor forming the transmitting resonant network with default resonance frequency, send electric energy to receiver 04.
Be worth mentioning, the transmitting resonant network in wireless charging emission source 03 can have to one the receiver 04 receiving resonant network and send electric energy, also can send electric energy to multiple receiver 04 with reception resonant network simultaneously.
Optionally, wireless charging assembly 00 can also comprise: building-out capacitor C
s3, for coordinating the first electric capacity C according to design requirement
s1, the second electric capacity C
s2regulate and receive electric capacity C
s, exemplary, building-out capacitor C
s3can in wireless charging receiving coil 01, also can in wireless charging receiving circuit 02.
In an embodiment of the present invention, exemplary, the operation principle of wireless charging receiving coil 01, wireless charging receiving circuit 02, wireless charging emission source 03 as shown in Figure 6A:
In wireless charging emission source 03, high frequency electric source 031 inputs power supply by outside, exports and provides high-frequency ac current, passes through by the second inductance coil L
pwith transmitting electric capacity C
pthe transmitting resonant network of composition, with default resonance frequency f
0carry out electromagnetic viscosimeter and outside radiated electromagnetic wave.Wherein, resonance frequency is:
Corresponding angular frequency, namely circuit parameter is:
First inductance coil L in by wireless charging receiving coil 01
selectric capacity C is received with wireless charging receiving circuit 02
sin the receiver 04 formed, the first inductance coil L
swith reception electric capacity C
sform and receive resonant network, as reception electric capacity C
swith receiving coil L
smeet:
Show now to launch resonant network in wireless charging emission source 03 equal with the resonance frequency receiving resonant network in receiver 04, wireless charging emission source 03 and receiver 04 meet magnetic resonance coupling condition, and namely receiver 04 obtains electric energy by the electromagnetic wave receiving the transmission of wireless charging emission source 03.And further the electric energy of acquisition being carried out rectification by the rectification circuit 021 in wireless charging receiving circuit 02, alternating current being converted to direct current is that load charging equipment carries out charging, realizes the object of wireless charging.
Optionally, as shown in Figure 6B, the requirement selected components and parts when design and manufacture according to wireless charging receiving coil 01 or wireless charging receiving circuit 02, as factors such as product appearance, volume and manufacturing costs, to be amassed by change capacitor plate right opposite or polar plate spacing adjusts the first electric capacity C
s1with the second electric capacity C
s2on the basis of capacitance, building-out capacitor C can also be added in wireless charging receiving circuit 02
s3, make reception electric capacity C
swith the first inductance coil L
smeet:
Show now to launch resonant network in wireless charging emission source 03 equal with the resonance frequency receiving resonant network in receiver 04, wireless charging emission source 03 and receiver 04 meet magnetic resonance coupling condition, and application mode is same as described above, repeats no more herein.
Optionally, as shown in Figure 6 C, building-out capacitor C can also be added in wireless charging receiving coil 01 according to designing requirement
s3, make reception electric capacity C
swith the first inductance coil L
smeet:
Show now to launch resonant network in wireless charging emission source 03 equal with the resonance frequency receiving resonant network in receiver 04, wireless charging emission source 03 and receiver 04 meet magnetic resonance coupling condition, and application mode is same as described above, repeats no more herein.
Optionally, as shown in Figure 6 D, building-out capacitor C can also be added in wireless charging receiving circuit 02 according to designing requirement
s3, make reception electric capacity C
swith the first inductance coil L
smeet:
Show now to launch resonant network in wireless charging emission source 03 equal with the resonance frequency receiving resonant network in receiver 04, wireless charging emission source 03 and receiver 04 meet magnetic resonance coupling condition, and application mode is same as described above, repeats no more herein.
Embodiments of the invention also provide a kind of wireless charging adapter 05, and as shown in Figure 7, this wireless charging adapter 05 comprises one or more wireless charging receiving coil 01, jointly forms receiver 04 with corresponding electronic equipment.
Optionally, this wireless charging adapter 05 can also comprise wireless charging emission source 03.
Embodiments of the invention also provide a kind of electronic equipment 06, as shown in Figure 8, this electronic equipment 06 comprises wireless charging receiving circuit 02 and load to be charged, and rectification circuit 021 output in wireless charging receiving circuit 02 is electrically connected with load to be charged, exports as load supplying to be charged.
Embodiments of the invention also provide a kind of wireless charging system 07, and this wireless charging system 07 comprises: wireless charging adapter 05, wireless charging emission source 03, electronic equipment 06.
Exemplary, wireless charging adapter 05 can be wireless charging desk or wireless charging pallet, as shown in Figure 9, integrated separate emission source 03, one or more wireless charging receiving coil 01 in this wireless charging desk or pallet, when the electronic equipment 06 being integrated with respective wireless charging receiving circuit 02 is placed on desktop or tray surface relevant position, make the first capacitor plate C
s1pwith the 3rd capacitor plate C
s1scontraposition is correct, the second capacitor plate C
s2pwith the 4th capacitor plate C
s2scontraposition is correct, wireless charging desk or pallet and electronic equipment 06 form complete receiver 04, when the normal work of wireless charging emission source 03 provides electric energy, the electric energy that receiver 04 wireless receiving wireless charging emission source 03 sends, realizes the object of electronic equipment 06 being carried out to wireless charging.And wireless charging emission source 03 can provide electric energy to multiple receiver 04, realizes the wireless charging to multiple electronic equipment 06 simultaneously.
Optionally, wireless charging emission source 03 accessible site, in wireless charging desk or pallet, can also be arranged on outside wireless charging desk or pallet, can realize above-mentioned object of electronic equipment 06 being carried out to wireless charging equally, can according to designing requirement selection scheme.
Exemplary; wireless charging adapter 05 can also be the outer casing protective sleeve of electronic equipment 06; as shown in Figure 10; a wireless charging receiving coil 01 is integrated with in this outer casing protective sleeve; after this outer casing protective sleeve installed by electronic equipment 06, wherein the first capacitor plate C of wireless charging receiving coil 01
s1p, the second capacitor plate C
s2pwith the 3rd capacitor plate C of wireless charging receiving circuit 02 in electronic equipment 05
s1s, the 4th capacitor plate C
s2scontraposition is correct respectively, form complete receiver 04, electric energy is provided when wireless charging emission source 03 normally works, and receiver 04 is positioned at the preset range centered by wireless charging emission source 03, wireless charging can be carried out to electronic equipment 06, thus require charging equipment and transmitting terminal when solving wireless charging close to distance closely, the problem that equipment mobile range is little.
The implementation of above-mentioned wireless charging adapter 05 is only exemplary, includes but not limited to this.
Embodiments of the invention provide a kind of wireless charging device and system, by the correct contraposition of capacitor plate of wireless charging receiving circuit in the capacitor plate of wireless charging receiving coil in wireless charging adapter and electronic equipment, form complete reception electric capacity and form receiver with the first inductance coil, rectification circuit, be coupled with wireless charging emission source magnetic resonance, receive the electric energy that wireless charging emission source sends; Again after rectifier circuit rectifies for charging equipment load provides power supply.Like this, solve wireless charging device design thick and heavy, and transmitting terminal can only the problem of corresponding single receiving terminal, thus improve the practicality that equipment carries out wireless charging.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (12)
1. a wireless charging assembly, is characterized in that, described wireless charging assembly comprises:
Wireless charging receiving coil, wireless charging receiving circuit and wireless charging emission source;
Described wireless charging receiving coil comprises: the first inductance coil, the first capacitor plate and the second capacitor plate, the first end of described first inductance coil is electrically connected with described first capacitor plate, and the second end of described first inductance coil is electrically connected with described second capacitor plate;
Described wireless charging receiving circuit comprises: rectification circuit, the 3rd capacitor plate and the 4th capacitor plate, the first input end of described rectification circuit is electrically connected with described 3rd capacitor plate, and the second input of described rectification circuit is electrically connected with described 4th capacitor plate;
Described first capacitor plate and described 3rd capacitor plate form the first electric capacity when contraposition is correct, and described second capacitor plate and described 4th capacitor plate form the second electric capacity when contraposition is correct; Described contraposition correctly comprises: the right opposite of described first capacitor plate and described 3rd capacitor plate to amass in the first preset threshold range and polar plate spacing in the second preset threshold range, the right opposite of described second capacitor plate and described 4th capacitor plate to amass in described first preset threshold range and polar plate spacing in described second preset threshold range;
Described wireless charging emission source comprises: high frequency electric source, transmitting electric capacity and the second inductance coil, the first end of described second inductance coil is electrically connected with the first end of described transmitting electric capacity, second end of described second inductance coil is electrically connected with the first output of described high frequency electric source, and the second end of described transmitting electric capacity is electrically connected with the second output of described high frequency electric source;
Described transmitting electric capacity and described second inductance coil form the transmitting resonant network with default resonance frequency, and described first coil and described first electric capacity, described second electric capacity form and receives resonant network; If described reception resonant network and described transmitting resonant network meet magnetic resonance condition, described reception resonant network receives electric energy from described transmitting resonant network, described electric energy, by described rectification circuit, is transformed to direct current by alternating current and exports, for charging is carried out in load to be charged.
2. wireless charging assembly according to claim 1, is characterized in that, the quantity of the described wireless charging receiving coil that described wireless charging assembly comprises is at least one, and the quantity of described wireless charging receiving circuit is at least one;
The quantity of described wireless charging receiving coil is equal with the quantity of described wireless charging receiving circuit.
3. wireless charging assembly according to claim 1, is characterized in that, described wireless charging assembly also comprises:
Building-out capacitor, for adjusting the resonance frequency of described reception resonant network;
Described building-out capacitor is connected between the first end of described first inductance coil and described first capacitor plate, or described building-out capacitor is connected between the second end of described first inductance coil and described second capacitor plate; Or,
Described building-out capacitor is connected between the first input end of described rectification circuit and described 3rd capacitor plate, or, described building-out capacitor is connected between the second input of described rectification circuit and described 4th capacitor plate, again or, described building-out capacitor is connected in parallel between the first input end of described rectification circuit and the second input of described rectification circuit.
4. a wireless charging receiving coil, is characterized in that, described wireless charging receiving coil comprises:
First inductance coil, the first capacitor plate and the second capacitor plate, the first end of described first inductance coil is electrically connected with described first capacitor plate, and the second end of described first inductance coil is electrically connected with described second capacitor plate;
Described first capacitor plate is used for forming the first electric capacity with the 3rd capacitor plate in wireless charging receiving circuit when contraposition is correct, and described second capacitor plate is used for forming the second electric capacity with the 4th capacitor plate in described wireless charging receiving circuit when contraposition is correct;
Described contraposition correctly comprises: the right opposite of described first capacitor plate and described 3rd capacitor plate to amass in the first preset threshold range and polar plate spacing in the second preset threshold range, the right opposite of described second capacitor plate and described 4th capacitor plate to amass in described first preset threshold range and polar plate spacing in described second preset threshold range;
Described first inductance coil is used for forming with described first electric capacity, described second electric capacity receiving resonant network, if described reception resonant network and described transmitting resonant network meet magnetic resonance condition, described reception resonant network receives electric energy from described transmitting resonant network.
5. wireless charging receiving coil according to claim 4, is characterized in that, described wireless charging receiving coil also comprises:
Building-out capacitor, for adjusting the resonance frequency of described reception resonant network;
Described building-out capacitor is connected between the first end of described first inductance coil and described first capacitor plate, or described building-out capacitor is connected between the second end of described first inductance coil and described second capacitor plate.
6. a wireless charging receiving circuit, is characterized in that, described wireless charging receiving circuit comprises:
Rectification circuit, the 3rd capacitor plate and the 4th capacitor plate, the first input end of described rectification circuit is electrically connected with described 3rd capacitor plate, and the second input of described rectification circuit is electrically connected with described 4th capacitor plate;
Described 3rd capacitor plate is used for forming the first electric capacity with the first capacitor plate in wireless charging receiving coil when contraposition is correct, and described 4th capacitor plate is used for forming the second electric capacity with the second capacitor plate in described wireless charging receiving coil when contraposition is correct;
Described contraposition correctly comprises: the right opposite of described 3rd capacitor plate and described first capacitor plate to amass in the first preset threshold range and polar plate spacing in the second preset threshold range, the right opposite of described 4th capacitor plate and described second capacitor plate to amass in described first preset threshold range and polar plate spacing in described second preset threshold range;
Described first electric capacity, described second electric capacity are used for forming with the first inductance coil in described wireless charging receiving coil receiving resonant network, if described reception resonant network and described transmitting resonant network meet magnetic resonance condition, described reception resonant network receives electric energy from described transmitting resonant network, described rectification circuit is used for that described electric energy is transformed to direct current by alternating current and exports, for charging is carried out in load to be charged.
7. wireless charging receiving circuit according to claim 6, is characterized in that, described wireless charging receiving circuit also comprises:
Building-out capacitor, for adjusting the resonance frequency of described reception resonant network;
Described building-out capacitor is connected between the first input end of described rectification circuit and described 3rd capacitor plate, or, described building-out capacitor is connected between the second input of described rectification circuit and described 4th capacitor plate, again or, described building-out capacitor is connected in parallel between the first input end of described rectification circuit and the second input of described rectification circuit.
8. a wireless charging emission source, is characterized in that, described wireless charging emission source comprises:
High frequency electric source, transmitting electric capacity and the second inductance coil, the first end of described second inductance coil is electrically connected with the first end of described transmitting electric capacity, second end of described second inductance coil is electrically connected with the first output of described high frequency electric source, and the second end of described transmitting electric capacity is electrically connected with the second output of described high frequency electric source;
Described transmitting electric capacity and described second inductance coil for forming the transmitting resonant network with default resonance frequency so that carry out magnetic resonance coupled transfer electric energy with one or more reception resonant network be made up of wireless charging receiving coil and wireless charging receiving circuit.
9. a wireless charging adapter, is characterized in that, described wireless charging adapter comprises:
One or more wireless charging receiving coil as described in claim 4 or 5.
10. wireless charging adapter according to claim 9, is characterized in that, described wireless charging adapter also comprises: wireless charging emission source as claimed in claim 8.
11. 1 kinds of electronic equipments, is characterized in that, described electronic equipment comprises:
Wireless charging receiving circuit as claimed in claims 6 or 7 and load;
Rectification circuit output end in described wireless charging receiving circuit is electrically connected with described load.
12. 1 kinds of wireless charging systems, is characterized in that, described wireless charging system comprises:
Wireless charging adapter as claimed in claim 9, wireless charging emission source as claimed in claim 8, and one or more electronic equipment as claimed in claim 11; Or,
Wireless charging adapter as claimed in claim 10 and one or more electronic equipment as claimed in claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310516792.3A CN104578222B (en) | 2013-10-28 | 2013-10-28 | A kind of wireless charging device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310516792.3A CN104578222B (en) | 2013-10-28 | 2013-10-28 | A kind of wireless charging device and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104578222A true CN104578222A (en) | 2015-04-29 |
| CN104578222B CN104578222B (en) | 2017-08-18 |
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| CN107658994A (en) * | 2017-11-13 | 2018-02-02 | 中车青岛四方机车车辆股份有限公司 | A kind of radio energy transmission system |
| CN107733093A (en) * | 2017-11-15 | 2018-02-23 | 哈尔滨理工大学 | A kind of Capacitance Coupled resonance type wireless energy transmission system and method |
| CN107959357A (en) * | 2017-11-29 | 2018-04-24 | 歌尔科技有限公司 | A kind of wireless charging receiving circuit, frequency adjusting method and smart machine |
| CN107969160A (en) * | 2015-08-12 | 2018-04-27 | 艾格电子工程责任有限公司 | It is used for transmission the method and apparatus of electric power and data |
| CN108297731A (en) * | 2018-03-20 | 2018-07-20 | 广东工业大学华立学院 | A kind of wireless charging system for electric automobile |
| CN108695958A (en) * | 2018-06-05 | 2018-10-23 | 深圳市华星光电技术有限公司 | Wireless charging component and wireless charging system |
| CN109004756A (en) * | 2018-07-17 | 2018-12-14 | Oppo广东移动通信有限公司 | Wireless charging system |
| WO2019184548A1 (en) * | 2018-03-28 | 2019-10-03 | 华为技术有限公司 | Coil module, wireless charging emission device, receiving device, system and terminal |
| CN111204238A (en) * | 2020-04-16 | 2020-05-29 | 上海纵青新能源科技有限公司 | Wireless charging alignment method and device for automobile, storage medium and terminal |
| CN112564295A (en) * | 2019-09-25 | 2021-03-26 | 华为技术有限公司 | Wireless charging system |
| CN113396520A (en) * | 2019-05-29 | 2021-09-14 | 华为技术有限公司 | Wireless power receiving circuit |
| CN113839468A (en) * | 2021-09-17 | 2021-12-24 | 许继电源有限公司 | Wireless charging coupling coil for segmented resonance of electric automobile |
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| CN107969160B (en) * | 2015-08-12 | 2020-12-11 | 艾格电子工程责任有限公司 | Method and apparatus for transmitting power and data |
| CN107969160A (en) * | 2015-08-12 | 2018-04-27 | 艾格电子工程责任有限公司 | It is used for transmission the method and apparatus of electric power and data |
| CN107658994A (en) * | 2017-11-13 | 2018-02-02 | 中车青岛四方机车车辆股份有限公司 | A kind of radio energy transmission system |
| CN107733093A (en) * | 2017-11-15 | 2018-02-23 | 哈尔滨理工大学 | A kind of Capacitance Coupled resonance type wireless energy transmission system and method |
| CN107959357A (en) * | 2017-11-29 | 2018-04-24 | 歌尔科技有限公司 | A kind of wireless charging receiving circuit, frequency adjusting method and smart machine |
| CN108297731A (en) * | 2018-03-20 | 2018-07-20 | 广东工业大学华立学院 | A kind of wireless charging system for electric automobile |
| CN108297731B (en) * | 2018-03-20 | 2023-10-13 | 广东工业大学华立学院 | Wireless charging system of electric automobile |
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| WO2019184548A1 (en) * | 2018-03-28 | 2019-10-03 | 华为技术有限公司 | Coil module, wireless charging emission device, receiving device, system and terminal |
| US11837877B2 (en) | 2018-03-28 | 2023-12-05 | Huawei Technologies Co., Ltd. | Coil module, wireless charging transmitting apparatus, receiving apparatus, system, and terminal |
| CN108695958A (en) * | 2018-06-05 | 2018-10-23 | 深圳市华星光电技术有限公司 | Wireless charging component and wireless charging system |
| CN109004756A (en) * | 2018-07-17 | 2018-12-14 | Oppo广东移动通信有限公司 | Wireless charging system |
| CN109004756B (en) * | 2018-07-17 | 2021-05-07 | Oppo广东移动通信有限公司 | Wireless charging system |
| CN113396520A (en) * | 2019-05-29 | 2021-09-14 | 华为技术有限公司 | Wireless power receiving circuit |
| CN112564295A (en) * | 2019-09-25 | 2021-03-26 | 华为技术有限公司 | Wireless charging system |
| CN111204238A (en) * | 2020-04-16 | 2020-05-29 | 上海纵青新能源科技有限公司 | Wireless charging alignment method and device for automobile, storage medium and terminal |
| CN111204238B (en) * | 2020-04-16 | 2020-07-28 | 上海纵青新能源科技有限公司 | Wireless charging alignment method and device for automobile, storage medium and terminal |
| CN113839468A (en) * | 2021-09-17 | 2021-12-24 | 许继电源有限公司 | Wireless charging coupling coil for segmented resonance of electric automobile |
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