CN105429317B - Wireless power transmission systems, emitter, reception device and terminal - Google Patents
Wireless power transmission systems, emitter, reception device and terminal Download PDFInfo
- Publication number
- CN105429317B CN105429317B CN201510731061.XA CN201510731061A CN105429317B CN 105429317 B CN105429317 B CN 105429317B CN 201510731061 A CN201510731061 A CN 201510731061A CN 105429317 B CN105429317 B CN 105429317B
- Authority
- CN
- China
- Prior art keywords
- magnetic field
- high frequency
- frequency magnetic
- module
- wireless power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The present invention relates to wireless power transmission technical field, a kind of wireless power transmission systems, emitter, reception device and terminal are disclosed.In the present invention, wireless power transmission systems include emitter and reception device；Emitter is concurrently incident upon reception device for converting electrical current into the first high frequency magnetic field；The intensity of first high frequency magnetic field is greater than preset threshold；Reception device is for receiving the first high frequency magnetic field and the first high frequency magnetic field being converted to the electric field for meeting preset condition；Wherein emitter includes electromagnetic conversion module and trunk module；Electromagnetic conversion module is for converting electrical current into the second high frequency magnetic field；The frequency of second high frequency magnetic field is equal to the frequency of the first high frequency magnetic field, and the intensity of the second high frequency magnetic field is lower than the intensity of the first high frequency magnetic field；Trunk module is used to carry out continuing to the intensity of the second high frequency magnetic field enhancing and when the second high frequency magnetic field is enhanced to the first high frequency magnetic field, and the first high frequency magnetic field is emitted to reception device.In this way, the transmission range of wireless power transmission can be effectively improved.
Description
Technical field
The present invention relates to wireless power transmission technical field, in particular to a kind of wireless power transmission systems, emitter, reception device
And terminal.
Background technique
Currently, wireless charging technology is mostly based on electromagnetic induction principle, such as: Samsung wireless charging device, Nokia are wireless
Charging unit etc., can only realize very near radio charging, and practical value is limited.In recent years the magnet coupled resonant type wireless proposed
Technology of transmission of electricity is only able to achieve the wireless power transmission of short distance, moreover, such device is the terminal charges such as mobile phone, tablet computer
When, receiving end output voltage is difficult to control, it is difficult to be applied to different types of terminal, and there is also limitation, applications for transmission range
Scene receives considerable restraint.
Summary of the invention
It, can be with present invention solves the problem in that provide a kind of wireless power transmission systems, emitter, reception device and terminal
Effectively improve the transmission range of wireless power transmission.
In order to solve the above technical problems, embodiments of the present invention provide a kind of wireless power transmission systems, include: transmitting dress
It sets and reception device；
The emitter is concurrently incident upon the reception device for converting electrical current into the first high frequency magnetic field；Wherein,
The intensity of first high frequency magnetic field is greater than preset threshold；
The reception device for receiving first high frequency magnetic field, and first high frequency magnetic field is converted to and is met
The electric field of preset condition is power supply for electrical equipment；
Wherein, the emitter includes electromagnetic conversion module and trunk module；
The electromagnetic conversion module, for the electric current to be converted to the second high frequency magnetic field；Second high frequency magnetic field
Frequency is equal to the frequency of first high frequency magnetic field, and the intensity of second high frequency magnetic field is strong lower than first high frequency magnetic field
Degree；
The trunk module carries out continuing enhancing for the intensity to second high frequency magnetic field, and high described second
When frequently magnetic field-enhanced to described first high frequency magnetic field, first high frequency magnetic field is emitted to the reception device.
Embodiment of the present invention in terms of existing technologies, since emitter contains trunk module, can to by
The intensity for the second high frequency magnetic field that electric current directly converts carries out continuing enhancing, until the intensity of the second high frequency magnetic field is greater than in advance
If threshold transition is the first high frequency magnetic field；Again since the intensity of the first high frequency magnetic field is sufficiently strong, it is greater than preset threshold, in this way, i.e.
The first high frequency magnetic field intensity in transmission process is set to be decayed, the first high frequency magnetic field can be still transmitted to except farther distance
Reception device, meet the electric field of preset condition so that reception device is converted to received first high frequency magnetic field, set for electricity consumption
Available electricity.So embodiments of the present invention, can effectively improve the transmission range of wireless power transmission.
Further, the trunk module is also used to carry out curve transmission to the energy that first high frequency magnetic field carries；
Wherein, each described repeating coil circuit includes an inductance coil；The axis direction of all inductance coils is parallel to each other,
And the symmetrical centre of all inductance coils is distributed in preset energy transmission path.It is intrinsic due to repeating coil circuit
Frequency is equal to the frequency of the second high frequency magnetic field, so repeating coil circuit can generate resonance with received magnetic field, enhancing is connect
The intensity in the magnetic field of receipts；Due to all repeating coil circuits the direction of the launch each parallel to electromagnetic conversion module the direction of the launch,
In this way, all repeating coil circuits can in the same direction carry out received magnetic field continuing enhancing；The number of repeating coil
More, the intensity of the first high frequency magnetic field of relayed module output is stronger, the first high frequency magnetic field can be transmitted to it is farther away from
From.
Further, the trunk module is also used to carry out curve transmission to the energy that first high frequency magnetic field carries；
Wherein, each described repeating coil circuit includes a coil；The axis direction of all coils is parallel to each other, and all institutes
The symmetrical centre for stating coil is distributed in preset energy transmission path.The energy that the first high frequency magnetic field is carried using trunk module
Amount carries out curve transmission, and the efficiency of energy transmission can be improved.
Further, the trunk module also includes control submodule；The control submodule and all junction lines
Circle circuit is separately connected, for adjusting the reception device by controlling the spacing between the adjacent repeating coil circuit
Output voltage values；Wherein, the output voltage values of the reception device are the voltage value of the electric field.It can using control submodule
To adjust the output voltage values of reception device, with the power supply for electrical equipment for different operating voltage, embodiment party of the present invention is improved
The practicability of formula.
Further, the inductance coil is flat inductance coil.Transmitting can reduce using flat inductance coil
The thickness of device increases the portability of emitter.
Embodiments of the present invention additionally provide a kind of wireless power transmission emitter, which includes:
Electromagnetic conversion module and trunk module；
The electromagnetic conversion module, for converting electrical current into the second high frequency magnetic field；The frequency of second high frequency magnetic field
Equal to the frequency of the first high frequency magnetic field, the intensity of second high frequency magnetic field is lower than the intensity of first high frequency magnetic field, and institute
The intensity for stating the first high frequency magnetic field is greater than preset threshold；
The trunk module carries out continuing enhancing for the intensity to second high frequency magnetic field, and high described second
When frequently magnetic field-enhanced to described first high frequency magnetic field, first high frequency magnetic field is emitted to reception device.
Embodiment of the present invention in terms of existing technologies, since wireless power transmission emitter contains trunk module,
The intensity of the second high frequency magnetic field directly converted by electric current can be carried out continuing enhancing, until the second high frequency magnetic field is strong
Degree is greater than preset threshold and is converted to the first high frequency magnetic field；Again since the intensity of the first high frequency magnetic field is sufficiently strong, it is greater than preset threshold,
In this way, the first high frequency magnetic field can still be transmitted to farther even if the first high frequency magnetic field intensity in transmission process is decayed
Reception device except distance.So embodiments of the present invention, can effectively improve the transmission range of wireless power transmission.
Embodiments of the present invention additionally provide a kind of wireless power transmission reception device, and the wireless power transmission reception device is for connecing
The first high frequency magnetic field emitted from wireless power transmission emitter is received, and first high frequency magnetic field is converted to and meets default item
The electric field of part is power supply for electrical equipment；
Wherein, which includes: magnetoelectricity conversion module and rectifying and pressure-regulating module；
The magnetoelectricity conversion module is connect with the rectifying and pressure-regulating module；
The magnetoelectricity conversion module is converted to for receiving first high frequency magnetic field, and by first high frequency magnetic field
Alternating current；
The rectifying and pressure-regulating module for being rectified the alternating current, pressure regulation, and meets preset condition described in exporting
Electric field.
Embodiments of the present invention additionally provide a kind of terminal, include wireless power transmission reception device；
The wireless power transmission reception device is used to receive the first high frequency magnetic field from the transmitting of wireless power transmission emitter, and will
First high frequency magnetic field is converted to the electric field for meeting preset condition, powers for the terminal；
Wherein, which includes: magnetoelectricity conversion module and rectifying and pressure-regulating module；
The magnetoelectricity conversion module is connect with the rectifying and pressure-regulating module；
The magnetoelectricity conversion module is converted to for receiving first high frequency magnetic field, and by first high frequency magnetic field
Alternating current；
The rectifying and pressure-regulating module for being rectified the alternating current, pressure regulation, and meets preset condition described in exporting
Electric field.
In terms of existing technologies, wireless power transmission reception device can receive from wireless power transmission embodiment of the present invention
First high frequency magnetic field of emitter is simultaneously converted into the electric field for meeting preset condition, powers for terminal.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the wireless power transmission systems of first embodiment according to the present invention；
Fig. 2 is the partial circuit schematic diagram of the wireless power transmission systems in first embodiment according to the present invention；
Fig. 3 be according to the present invention in first embodiment wireless power transmission systems be mobile phone wireless transmission of electricity circuit block diagram；
Fig. 4 is the inductance coil distribution schematic diagram in second embodiment according to the present invention；
Fig. 5 is the structural schematic diagram of wireless power transmission systems in third embodiment according to the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention,
In order to make the reader understand this application better, many technical details are proposed.But even if without these technical details and base
In the various changes and modifications of following embodiment, each claim of the application technical side claimed also may be implemented
Case.
The first embodiment of the present invention is related to a kind of wireless power transmission systems, specific structure as shown in Figure 1, comprising: transmitting
Device 101 and reception device 102.
Emitter 101 is concurrently incident upon reception device 102 for converting electrical current into the first high frequency magnetic field；Wherein,
The intensity of one high frequency magnetic field is greater than preset threshold；Reception device 102, for receiving the first high frequency magnetic field, and by the first high frequency magnetic
Field is converted to the electric field for meeting preset condition, is power supply for electrical equipment.The electric field that can be carried electric current due to emitter 101
It can be converted into the magnetic field energy that magnetic field strength is greater than preset threshold, in this way, carrying the first high frequency magnetic field of magnetic field energy can transmit
To farther distance, i.e. it is high can to receive emitter 101 emits first except farther distance for reception device 102
Frequency magnetic field, and convert received first high frequency magnetic field in the electric field for meeting preset condition, it is power supply for electrical equipment.This embodiment party
Wireless power transmission systems in formula effectively improve the transmission range of wireless power transmission.
Wherein, emitter 101 includes alternating current input module 103, electromagnetic conversion module 104 and trunk module 105；Alternating current
Input module 103 is electrically connected with electromagnetic conversion module 104, and electromagnetic conversion module 104 is connect with 105 electromagnetism of trunk module (to be passed through
Electromagnetic field couples connection).
Alternating current input module 103 directly utilizes city's electric resources for inputting alternating current, easy to use.Alternating current input module 103
The electric current of input is the alternating current of 50Hz or 60Hz, is low frequency ac.
Electromagnetic conversion module 104 for the mains current of input to be converted to the second high frequency magnetic field, and is launched；Its
In, the frequency of the second high frequency magnetic field is equal to the frequency of the first high frequency magnetic field, but the intensity of the second high frequency magnetic field is lower than the first high frequency
The intensity in magnetic field.
Specifically, in the present embodiment, electromagnetic conversion module 104 includes: rectification module, high-frequency inversion module and hair
Penetrate wire loop；Rectification module, high-frequency inversion module, transmitting coil circuit, trunk module 105 are sequentially connected in series；Rectification module is used
In low frequency ac is converted to direct current；High-frequency inversion module, the direct current for exporting rectification module are converted to high frequency
Alternating current；Wherein, the frequency of high-frequency alternating current is greater than the frequency of low frequency ac, and the frequency range of high-frequency alternating current is 1,000,000
Hertz~10 megahertzs, it is preferable that in the present embodiment, the frequency range of high-frequency alternating current can be 1 megahertz~3 megahertzs
Hereby, in this way, can not only guarantee the alternating current of acquisition high frequency, but also can be with save the cost.Transmitting coil circuit is used for high-frequency ac
Electricity is converted to the second high frequency magnetic field, and launches.
Trunk module 105, for carrying out lasting increasing to from the intensity of received second high frequency magnetic field of electromagnetic conversion module 104
By force, and when the second high frequency magnetic field is enhanced to the first high frequency magnetic field, the first high frequency magnetic field is emitted to reception device 102.
Specifically, in the present embodiment, trunk module 105 includes repeating coil circuit and control of preset number
Module, control submodule are separately connected with all repeating coil circuits；The intrinsic frequency in repeating coil circuit is equal to the second high frequency
The frequency in magnetic field, the direction of the launch of the direction of the launch in all repeating coil circuits each parallel to electromagnetic conversion module 104；Wherein,
The direction of the launch of electromagnetic conversion module 104 is pre-set according to the orientation of reception device 102.Control submodule is for passing through
The spacing between adjacent repeating coil circuit is controlled, the output voltage values of reception device 102 are adjusted；Wherein, reception device 102
Output voltage values be electric field voltage value.
In the present embodiment, trunk module 105 may include 2 repeating coil circuits: the first repeating coil circuit 203
With the second repeating coil circuit, the first repeating coil circuit 203 and the second repeating coil circuit are sequentially distributed in electromagnetic conversion mould
Between block 104 and reception device 102, and the intrinsic frequency in the first repeating coil circuit 203 is equal to the frequency of the second high frequency magnetic field,
The intrinsic frequency in the second repeating coil circuit is equal to the frequency of the second high frequency magnetic field；The launch party in the first repeating coil circuit 203
To the direction of the launch each parallel to electromagnetic conversion module 104, the direction of the launch in the second repeating coil circuit turns each parallel to electromagnetism
Change the mold the direction of the launch of block 104；Control submodule is separately connected with the first repeating coil circuit 203, the second repeating coil circuit.
First repeating coil circuit 203 is used to promote the intensity from received second high frequency magnetic field in transmitting coil circuit, and along launch party
To the second repeating coil circuit is sent to, the second repeating coil circuit is connect for continuing to lift up from the first repeating coil circuit 203
The intensity in the magnetic field of receipts, and when intensity in magnetic field reaches preset intensity, (is enhanced to the first high frequency in the second high frequency magnetic field
When magnetic field), reception device 102 is sent to along the direction of the launch.
Between between control submodule adjustable first repeating coil circuit 203 and the second repeating coil circuit
Away from, and then the output voltage values of reception device 102 are adjusted, to be suitable for the electrical equipment of different operating voltage, strong applicability.
Certainly, in practical applications, suitable number of repeating coil circuit can be selected according to the actual situation, do not limit to
Listed situation in present embodiment.
Further, in the present embodiment, electromagnetic conversion module 104 can integrate with trunk module 105 in same
In mould group, in this way, space can be saved, it is easy to carry.
Reception device 102 includes magnetoelectricity conversion module 106, rectifying and pressure-regulating module 107 and output module 108；Magnetoelectricity conversion
Module 106 is connect with rectifying and pressure-regulating module 107, and rectifying and pressure-regulating module 107 is also connect with output module 108.Trunk module 106,
Alternating current is converted to for receiving the first high frequency magnetic field from emitter 101, and by the first high frequency magnetic field；Rectifying and pressure-regulating mould
Block 107 for that will be rectified from the received alternating current of magnetoelectricity conversion module 106, pressure regulation, and exports the electricity for meeting preset condition
To output module 108；Electric field of the output module 108 for self-rectifying in future voltage regulating module 107 is exported to electrical equipment.
In practical application, in the wireless power transmission systems comprising 2 repeating coil circuits, high-frequency inversion module 201, hair
Penetrate wire loop 202, the first repeating coil circuit 203, the second repeating coil circuit 204, magnetoelectricity conversion module 106, rectification tune
The circuit of die block 107 and output module 108 is as shown in Figure 2.
Wherein, high-frequency inversion module 201 includes 2 output ports, battery pack E, inductance L1, capacitor C1, power supply V, three poles
Pipe M, diode D1, D2 and capacitor C2；The one end battery pack E ground connection, one end of another termination inductance L1, the other end of inductance L1
Connect capacitor C1, one output port of another termination of capacitor C1；One end of capacitor C2 is connected to the connection of capacitor C1 Yu inductance L1
Node, other end ground connection, meanwhile, the other end of capacitor C2 is another output mouth；The drain electrode of triode M is connected to inductance L1
It is grounded with the source electrode of the connecting node between capacitor C1, triode M, the grid of triode M is connect with one end of power supply V, power supply V
Other end ground connection；The cathode of diode D1 is connected to the grid of triode M, and the anode of diode D1 connects with the cathode of diode D2
It connects, the plus earth of diode D2.
Transmitting coil circuit 202 includes 2 input ports, inductance coil L2 and resistance R1；This 2 input ports respectively with
2 output ports of high-frequency inversion module 201 dock, and inductance coil L2 and resistance R1 are sequentially connected in series between 2 input ports.
First repeating coil circuit 203 include resistance R2, inductance coil L3 and capacitor C3, resistance R2, inductance coil L3 and
Capacitor C3 is sequentially connected in series, and constitutes the first repeating coil circuit 203, the connecting node ground connection between inductance coil L3 and capacitor C3；
The circuit in the second repeating coil circuit 204 is identical as the first repeating coil circuit 203, and the second repeating coil circuit 204 includes electricity
R3, inductance coil L4 and capacitor C4 are hindered, resistance R2 is identical as resistance R3, and inductance coil L3 is identical as inductance coil L4, capacitor C3
It is identical as capacitor C4.Capacitor C3, capacitor C4 in present embodiment can use ceramic disc capacitor.
Magnetoelectricity conversion module 106 includes inductance coil L5, resistance R4 and capacitor C5, inductance coil L5, resistance R4 and capacitor
C5 is sequentially connected in series between 2 output ports, this 2 output ports are docked with the input port of rectifying and pressure-regulating module 107 respectively.
Rectifying and pressure-regulating module 107 include 2 input ports, 2 output ports, diode D3, D4, D5, D6, capacitor C6,
C7, C8 and resistance R5；The anode of diode D3 connects the cathode of D4, and the connecting node between diode D3, D4 is that one of them is defeated
Inbound port；The anode of diode D5 connects the cathode of D6, and the connecting node between diode D5, D6 is another one input terminal
Mouthful, the plus earth of diode D6, the cathode of mono- terminating diode D5 of capacitor C6, the anode of another terminating diode D6, resistance
The one end R5 is connected to the connecting node between capacitor C6, diode D5 cathode, and the other end is connect with one end of capacitor C7, C8, electricity
The other end for holding C7, C8 is grounded, and the both ends of capacitor C8 are respectively output port.
Output module 108 includes 2 input ports and, resistance R6 and 2 output ports, 2 input ports respectively with it is whole
The output port docking for flowing voltage regulating module 107, between resistance R6 connection and 2 input ports, 2 outputs of output module 108
Port is the both ends of resistance R6, and for exporting electric energy, output voltage is the voltage at the both ends resistance R6.
Wireless power transmission systems in present embodiment are for circuit when carrying out wireless power transmission for mobile phone as shown in figure 3, hair
Injection device 101 includes alternating current input module 103, electromagnetic conversion module 104 and trunk module 105, wherein electromagnetic conversion module
104 include rectification module 301, high-frequency inversion module 201, transmitting coil circuit 202；Reception device 102 includes magnetoelectricity modulus of conversion
Block 106, rectifying and pressure-regulating module 107 and output module 108, output module 108 are connect with cell phone mainboard 301, carry out nothing for mobile phone
Line transmission of electricity.
If thinking to realize wireless power transmission whenever and wherever possible, emitter 101 can be placed in multiple places, such as can be
Routine office work place, dining room, airport etc. (wall, floor) embedding emitter 101 is, it can be achieved that many places wireless power transmission.
Compared with prior art, it since emitter 101 contains trunk module 105, can directly be converted to by electric current
And the intensity of the second high frequency magnetic field come carries out continuing enhancing, until the intensity of the second high frequency magnetic field is enhanced to greater than preset threshold
First high frequency magnetic field；Again since the intensity of the first high frequency magnetic field is sufficiently strong, it is greater than preset threshold, in this way, even if the first high frequency magnetic
Field intensity in transmission process is decayed, and the first high frequency magnetic field can still be transmitted to the reception device except farther distance
102, meet the electric field of preset condition so that reception device 102 is converted to received first high frequency magnetic field, is supplied for electrical equipment
Electricity.So the wireless power transmission systems in present embodiment, can effectively improve the transmission range of wireless power transmission.
Second embodiment of the present invention is related to a kind of wireless power transmission systems.Second embodiment is in first embodiment
On the basis of be further improved, mainly the improvement is that: in second embodiment of the invention, trunk module 105 is also used
Curve transmission is carried out in the energy carried to the first high frequency magnetic field, the efficiency of energy transmission can be improved.
Specifically, in the present embodiment, each repeating coil circuit includes a flat inductance coil；Transmitting
The inductance coil L2 of wire loop 202, the inductance coil L5 of trunk module 106 may be flat inductance coil, in this way, can
To save space.
The axis direction of all inductance coils in wireless power transmission systems is parallel to each other, and the symmetrical centre of all inductance coils
It is distributed in preset energy transmission path.Still by taking wireless power transmission systems include 2 repeating coil circuits as an example, as shown in figure 4,
The inductance coil L2 in transmitting coil circuit 202 and the inductance coil L5 of trunk module 106 are located at preset energy transmission road
The whole story end of diameter 401, the symmetrical centre of the inductance coil L3 in the first repeating coil circuit 203, the second repeating coil circuit 204
The symmetrical centre of inductance coil L4 is sequentially distributed in preset energy transmission path 401, in this way, what trunk module 105 exported
Magnetic field energy can be transmitted along preset energy transmission path 401.The energy march that first high frequency magnetic field is carried
Line transmission, can be improved the efficiency of energy transmission.
Third embodiment of the present invention is related to a kind of wireless power transmission systems.Third embodiment and first embodiment are big
Cause identical, be in place of the main distinction: in first embodiment of the invention, the received electric current of emitter 101 is alternating current,
Electromagnetic conversion module 104 includes the rectification module for converting alternating current to direct current；And in second embodiment of the invention
In, the received electric current of emitter 101 is direct current, direct current directly can be converted to height using high-frequency inversion module 201
Frequency alternating current recycles transmitting coil circuit 202 that the high-frequency alternating current is converted to the second high frequency magnetic field, and launches,
In this way, the space of emitter 101 can be saved, and it is easy to carry, furthermore, it is possible to directly adopt steam-electric power plant offer
Direct current enriches embodiments of the present invention.
Specifically, in the present embodiment, the emitter 101 of wireless power transmission systems includes DC supply input module
501, electromagnetic conversion module 104 and trunk module 105, specifically as shown in figure 5, the received electric current of DC supply input module 501 is
Direct current；Electromagnetic conversion module 104 includes: high-frequency inversion module 201, transmitting coil circuit 202.High-frequency inversion module 201, hair
Penetrate wire loop 202, trunk module 105 is sequentially connected in series；High-frequency inversion module 201, for direct current to be converted to high-frequency ac
Electricity；Wherein, the frequency range of high-frequency alternating current is 1 megahertz~10 megahertzs；Transmitting coil circuit 202, for handing over high frequency
Galvanic electricity is converted to the second high frequency magnetic field, and launches.Using in the wireless power transmission systems of input dc power, electromagnetic conversion module
104 structure is relatively simple, saves space, easy to carry.
Four embodiment of the invention is related to a kind of wireless power transmission emitter, which includes: electricity
Magnetic conversion module 104 and trunk module 105.
Electromagnetic conversion module 104, for converting electrical current into the second high frequency magnetic field；The frequency of second high frequency magnetic field is equal to the
The frequency of one high frequency magnetic field, the intensity of the second high frequency magnetic field is lower than the intensity of the first high frequency magnetic field, and the first high frequency magnetic field is strong
Degree is greater than preset threshold；
Trunk module 105 carries out continuing enhancing for the intensity to the second high frequency magnetic field, and enhances in the second high frequency magnetic field
When to the first high frequency magnetic field, the first high frequency magnetic field is emitted to reception device.
It is not difficult to find that present embodiment is embodiment corresponding with first embodiment, present embodiment can be with first
Embodiment is worked in coordination implementation.The relevant technical details mentioned in first embodiment are still effective in the present embodiment,
In order to reduce repetition, which is not described herein again.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in first
In embodiment.
Fifth embodiment of the invention is related to a kind of wireless power transmission emitter, and the wireless power transmission reception device is for receiving
The first high frequency magnetic field from the transmitting of wireless power transmission emitter, and the first high frequency magnetic field is converted to the electricity for meeting preset condition
, it is power supply for electrical equipment.
Wherein, which includes: magnetoelectricity conversion module 106 and rectifying and pressure-regulating module 107.
Magnetoelectricity conversion module 106 is connect with rectifying and pressure-regulating module 107.
First high frequency magnetic field for receiving the first high frequency magnetic field, and is converted to alternating current by magnetoelectricity conversion module 106.
Rectifying and pressure-regulating module 107 for being rectified alternating current, pressure regulation, and exports the electric field for meeting preset condition.
It is not difficult to find that present embodiment is embodiment corresponding with first embodiment, present embodiment can be with first
Embodiment is worked in coordination implementation.The relevant technical details mentioned in first embodiment are still effective in the present embodiment,
In order to reduce repetition, which is not described herein again.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in first
In embodiment.
Sixth embodiment of the invention is related to a kind of terminal, includes wireless power transmission reception device.In present embodiment, terminal
It can be the electronic equipments such as mobile phone, tablet computer.
The wireless power transmission reception device is used to receive the first high frequency magnetic field from the transmitting of wireless power transmission emitter, and will
First high frequency magnetic field is converted to the electric field for meeting preset condition, powers for the terminal.
Wherein, which includes: magnetoelectricity conversion module 106 and rectifying and pressure-regulating module 107.
Magnetoelectricity conversion module 106 is connect with rectifying and pressure-regulating module 107.
First high frequency magnetic field for receiving the first high frequency magnetic field, and is converted to alternating current by magnetoelectricity conversion module 106.
Rectifying and pressure-regulating module 107 for being rectified alternating current, pressure regulation, and exports the electric field for meeting preset condition.
It is not difficult to find that present embodiment is embodiment corresponding with first embodiment, present embodiment can be with first
Embodiment is worked in coordination implementation.The relevant technical details mentioned in first embodiment are still effective in the present embodiment,
In order to reduce repetition, which is not described herein again.Correspondingly, the relevant technical details mentioned in present embodiment are also applicable in first
In embodiment.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (9)
1. a kind of wireless power transmission systems are, characterized by comprising: emitter and reception device；
The emitter is concurrently incident upon the reception device for converting electrical current into the first high frequency magnetic field；Wherein, described
The intensity of first high frequency magnetic field is greater than preset threshold；
The reception device, for receiving first high frequency magnetic field, and first high frequency magnetic field is converted to meet it is default
The electric field of condition is power supply for electrical equipment；
Wherein, the emitter includes electromagnetic conversion module and trunk module；
The electromagnetic conversion module, for the electric current to be converted to the second high frequency magnetic field；The frequency of second high frequency magnetic field
Equal to the frequency of first high frequency magnetic field, the intensity of second high frequency magnetic field is lower than the intensity of first high frequency magnetic field；
The trunk module carries out continuing enhancing for the intensity to second high frequency magnetic field, and in the second high frequency magnetic
When field is enhanced to first high frequency magnetic field, first high frequency magnetic field is emitted to the reception device；
The trunk module includes the repeating coil circuit of preset number；The intrinsic frequency in the repeating coil circuit is equal to described
The frequency of second high frequency magnetic field；Hair of the direction of the launch in all repeating coil circuits each parallel to the electromagnetic conversion module
Penetrate direction；
The trunk module is also used to carry out curve transmission to the energy that first high frequency magnetic field carries；Wherein, each institute
Stating repeating coil circuit includes an inductance coil；The axis direction of all inductance coils is parallel to each other, and all electricity
The symmetrical centre of sense coil is distributed in preset energy transmission path.
2. wireless power transmission systems according to claim 1, which is characterized in that the trunk module also includes control submodule
Block；
The control submodule is separately connected with all repeating coil circuits, for by controlling the adjacent junction line
The spacing between circuit is enclosed, the output voltage values of the reception device are adjusted；Wherein, the output voltage values of the reception device are
The voltage value of the electric field.
3. wireless power transmission systems according to claim 1, which is characterized in that the inductance coil is flat inductor wire
Circle.
4. wireless power transmission systems according to claim 1, which is characterized in that the electric current is low frequency ac；The electricity
Magnetic conversion module includes: rectification module, high-frequency inversion module and transmitting coil circuit；
The rectification module, the high-frequency inversion module, the transmitting coil circuit, the trunk module are sequentially connected in series；
The rectification module, for the low frequency ac to be converted to direct current；
The high-frequency inversion module, for the direct current to be converted to high-frequency alternating current；Wherein, the frequency of the high-frequency alternating current
Rate is greater than the frequency of the low frequency ac, and the frequency range of the high-frequency alternating current is 1 megahertz~10 megahertzs；
The transmitting coil circuit, for the high-frequency alternating current to be converted to second high frequency magnetic field.
5. wireless power transmission systems according to claim 1, which is characterized in that the electric current is direct current；The electromagnetism turns
Mold changing block includes: high-frequency inversion module, transmitting coil circuit；
The high-frequency inversion module, the transmitting coil circuit, the trunk module are sequentially connected in series；
The high-frequency inversion module, for the direct current to be converted to high-frequency alternating current；Wherein, the frequency of the high-frequency alternating current
Rate range is 1 megahertz~10 megahertzs；
The transmitting coil circuit for the high-frequency alternating current to be converted to second high frequency magnetic field, and is launched.
6. wireless power transmission systems according to claim 4 or 5, which is characterized in that the frequency range of the high-frequency alternating current
It is 1 megahertz~3 megahertzs.
7. wireless power transmission systems according to claim 1, which is characterized in that the electromagnetic conversion module and the relaying mould
Block physical integration is in the same mould group.
8. wireless power transmission systems according to claim 1, which is characterized in that the reception device includes magnetoelectricity conversion module
With rectifying and pressure-regulating module；
The magnetoelectricity conversion module is connect with the rectifying and pressure-regulating module；
The magnetoelectricity conversion module is converted to exchange for receiving first high frequency magnetic field, and by first high frequency magnetic field
Electricity；
The rectifying and pressure-regulating module meets the electricity of preset condition for being rectified the alternating current, pressure regulation, and described in exporting
?.
9. a kind of wireless power transmission emitter, which is characterized in that the wireless power transmission emitter includes: electromagnetic conversion module is in
After module；
The electromagnetic conversion module, for converting electrical current into the second high frequency magnetic field；The frequency of second high frequency magnetic field is equal to
The frequency of first high frequency magnetic field, the intensity of second high frequency magnetic field are lower than the intensity of first high frequency magnetic field, and described the
The intensity of one high frequency magnetic field is greater than preset threshold；
The trunk module carries out continuing enhancing for the intensity to second high frequency magnetic field, and in the second high frequency magnetic
When field is enhanced to first high frequency magnetic field, first high frequency magnetic field is emitted to reception device；
The trunk module includes the repeating coil circuit of preset number；The intrinsic frequency in the repeating coil circuit is equal to described
The frequency of second high frequency magnetic field；Hair of the direction of the launch in all repeating coil circuits each parallel to the electromagnetic conversion module
Penetrate direction；
The trunk module is also used to carry out curve transmission to the energy that first high frequency magnetic field carries；Wherein, each institute
Stating repeating coil circuit includes an inductance coil；The axis direction of all inductance coils is parallel to each other, and all electricity
The symmetrical centre of sense coil is distributed in preset energy transmission path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510731061.XA CN105429317B (en) | 2015-10-30 | 2015-10-30 | Wireless power transmission systems, emitter, reception device and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510731061.XA CN105429317B (en) | 2015-10-30 | 2015-10-30 | Wireless power transmission systems, emitter, reception device and terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105429317A CN105429317A (en) | 2016-03-23 |
| CN105429317B true CN105429317B (en) | 2019-01-18 |
Family
ID=55507324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510731061.XA Active CN105429317B (en) | 2015-10-30 | 2015-10-30 | Wireless power transmission systems, emitter, reception device and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105429317B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577014B (en) * | 2019-02-19 | 2022-04-08 | 浙江宇视科技有限公司 | Intelligent lock |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103501060A (en) * | 2013-10-21 | 2014-01-08 | 哈尔滨工业大学 | Relay desktop multi-load wireless power-supplying system |
| CN103633746A (en) * | 2013-11-04 | 2014-03-12 | 上海华勤通讯技术有限公司 | Wireless power supply device, wireless charging device and mobile terminal |
| CN103765729A (en) * | 2011-09-02 | 2014-04-30 | 富士通株式会社 | Power relay |
| CN204243917U (en) * | 2014-12-22 | 2015-04-01 | 哈尔滨理工大学 | Based on the device of the magnetic coupling resonance wireless energy transfer of repeat circuit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204465155U (en) * | 2015-03-31 | 2015-07-08 | 李蕴豆 | A kind of wireless power supply |
-
2015
- 2015-10-30 CN CN201510731061.XA patent/CN105429317B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103765729A (en) * | 2011-09-02 | 2014-04-30 | 富士通株式会社 | Power relay |
| CN103501060A (en) * | 2013-10-21 | 2014-01-08 | 哈尔滨工业大学 | Relay desktop multi-load wireless power-supplying system |
| CN103633746A (en) * | 2013-11-04 | 2014-03-12 | 上海华勤通讯技术有限公司 | Wireless power supply device, wireless charging device and mobile terminal |
| CN204243917U (en) * | 2014-12-22 | 2015-04-01 | 哈尔滨理工大学 | Based on the device of the magnetic coupling resonance wireless energy transfer of repeat circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105429317A (en) | 2016-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103730939B (en) | The radio energy receiver of electric energy is wirelessly adjusted using switch | |
| KR20140064325A (en) | Wireless power receiver | |
| CN102170177A (en) | High-power wireless power transmission system | |
| JP2022104996A (en) | System and method for wireless power transfer | |
| KR20120011956A (en) | Wireless power transmitter, wireless power receiver, and method for wireless power transfer using them | |
| KR102106476B1 (en) | Wireless power receiver | |
| CN104967222A (en) | Multifrequency operation wireless power transfer transmitting terminal circuit | |
| CN104426205B (en) | Wireless charging device and method and use the mobile terminal of this device | |
| CN108173356A (en) | A kind of mobile terminal and wireless charging method based on wireless charging | |
| CN103714953A (en) | Wireless charging coil | |
| Moon et al. | Design of a 5-W power receiver for 6.78 MHz resonant wireless power transfer system with power supply switching circuit | |
| CN108258816A (en) | A kind of wireless charging receiving module and wireless charging system | |
| WO2018188268A1 (en) | Remote wireless charging system | |
| CN107370252A (en) | Wireless mutually fill is put and wireless charging device | |
| CN105429317B (en) | Wireless power transmission systems, emitter, reception device and terminal | |
| CN206727695U (en) | A kind of non-contact type wireless charging equipment for mobile phone | |
| CN106487105B (en) | A kind of magnet coupled resonant type wireless power transfer of modified line coil structures | |
| CN104218652A (en) | Wireless charging power supply OLED soft screen network electronic device | |
| CN209861174U (en) | Passive indoor distribution system | |
| CN105515210A (en) | Non-contact charging pile, on-board charging device, and charging system | |
| Kiratipongvoot et al. | Design a high-frequency-fed unity power-factor AC-DC power converter for wireless power transfer application | |
| KR102042020B1 (en) | Wireless power receiver | |
| CN117175719A (en) | Wireless charging device, electronic equipment and wireless charging control method | |
| CN201663493U (en) | Wireless charging emitting and receiving device, wireless charging system, electronic terminal | |
| CN102651568A (en) | Wireless charging device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |