CN102647030B - Wireless electric energy transmitting device and wireless electric energy power supply system - Google Patents
Wireless electric energy transmitting device and wireless electric energy power supply system Download PDFInfo
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- CN102647030B CN102647030B CN201210095175.6A CN201210095175A CN102647030B CN 102647030 B CN102647030 B CN 102647030B CN 201210095175 A CN201210095175 A CN 201210095175A CN 102647030 B CN102647030 B CN 102647030B
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Abstract
The invention discloses a wireless electric energy power supply system comprising a wireless electric energy transmitting and receiving device. According to the system, electric power is transformed into an electromagnetic field to carry out electric energy transmission, so that electric energy is used for power supply in a wireless mode. A wireless electric energy transmitting terminal comprises a heat dissipation module and a switch control module used for remotely controlling the system to be turned on and off, and a wireless electric energy receiving terminal is provided with a shielding module which can be used for effectively shielding the electromagnetic field. The system disclosed by the invention has a better heat dissipation effect, the service life of the system is prolonged, and through the shielding of the electromagnetic field, internal components of an electric appliance can be protected against electromagnetic interference so as to ensure the normal working of the electric appliance, and the stability of the whole system is improved.
Description
Technical field
The present invention relates to radio energy technology, relate in particular to a kind of radio energy emitter of excellent in heat dissipation effect;
The invention still further relates to and a kind ofly prevent that components and parts in electrical equipment are subject to the radio energy electric power system of electromagnetic interference influence.
Background technology
At present, in people's daily life, the supply power mode of the power supply main flow of household electrical appliance (such as electric rice cooker, mixer etc.) is still powered by wired mode, and adopt the mode of wired power supply, must there iing circuit around (circuit of arranging on as the wall in room), this just can increase not convenient in use, and wired mode need use socket, increases the restriction of electrical equipment use location.
The inconvenience bringing for fear of wired electric power transfer, people are constantly devoted to the research of wireless power transmission technology, domesticly also emerge a collection of achievement about wireless power transmission technology.Such as, No. 101425702nd, Chinese patent bulletin, has disclosed a kind of works that comprises non-Contact electric power transmission device; No. 101377312nd, Chinese patent bulletin, has disclosed a kind of power transmission system of microwave oven, and above-mentioned both all disclose the technology that electric energy is transmitted with wireless mode.But, in prior art, because wireless electric energy transmission device is for the transmission of high-power power, will inevitably produce a large amount of heat energy at emitter end, long-term use easily causes electric energy to pass the potential safety hazard in the use of device.In addition, because the electric power receiving terminal of wireless power supply system is in the middle of the parcel in electromagnetic field, this just causes load appliance internal component to be subject to the impact of electromagnetic interference, and long-term use can affect the normal work of internal components unavoidably, finally directly affects the useful life of electrical equipment.
Summary of the invention
The object of the present invention is to provide a kind of excellent in heat dissipation effect, can be by electric energy the radio energy emitter with wireless way for transmitting.
The present invention also aims to provide a kind of radio energy electric power system of applying above-mentioned radio energy emitter, it is by electromagnetic field is effectively shielded, with the normal work of each components and parts in proof load electrical equipment.
One of for achieving the above object, technical scheme of the present invention is as follows: a kind of radio energy emitter, comprising: primary source system, is converted to electric power the ac signal of certain frequency; Described primary source system comprises:
One electric energy conversion module, is connected with external communication electric network, and alternating current is converted into alternating current or the direct current of certain voltage;
One inverter circuit, is connected with described electric energy conversion module, and the direct current of input is converted to can be for the ac signal of the certain frequency of resonance;
One power-supplying circuit, is connected with described electric energy conversion module and supplies with for whole system provides power supply;
One sequential control circuit, for whole system provides sequencing control; And
One master controller, at least for controlling the running of described inverter circuit;
Concrete control flow is:
The completion system initialization that powers on of S101, system;
S102, detection standby signal, if detect, standby signal is high, system enters holding state (S103), does not carry out the transmitting of electromagnetic field; Otherwise, enter step S104;
S104, with fixed frequency drive inverter circuit, carry out the transmitting of electromagnetic field; Then implement respectively following steps:
S105, detection load signal, detect the load signal duration afterwards, if result is not enough setting-up time, redirect S105, if result is for exceeding setting-up time, closes inverter circuit;
S106, detection over-current signal, if over-current signal is high, drive signal to set high and close inverter circuit, otherwise system continues normal work;
S107, the whether super scope of detection system frequency, if frequency range goes beyond the scope, drive signal to set high and close inverter circuit, otherwise system continues normal work; Resonant circuit, is connected with described primary source system, receive described ac signal and be converted into certain frequency can for transmitting electromagnetic field, this resonant circuit comprises one or more for launching the transmitting coil of electromagnetic field; Radiating module, the heat energy producing for distributing radio energy emitter.
As a further improvement on the present invention, the radiating mode of described radiating module comprises the combination in any of heat loss through conduction mode, heat loss through convection mode, heat loss through radiation mode, semiconductor refrigerating mode, chemical refrigeration mode or aforesaid way.
As a further improvement on the present invention, described primary source system comprises a unlatching for Long-distance Control radio energy emitter or the switch control module of closing.
As a further improvement on the present invention, this switch control module using radio frequency recognizing technique, it comprises: a remote controller radiating circuit, for launching a high-frequency signal; One remote controller receiving circuit, for receiving described high-frequency signal and being converted into switching signal.
As a further improvement on the present invention, described primary source system also comprises the testing circuit module of a running parameter for detection of system.
As a further improvement on the present invention, the running parameter that described testing circuit module detects comprises resonance frequency, electric current, the voltage of resonant circuit, the temperature of electric current, voltage or the transmitting coil of inverter circuit switching tube.
As a further improvement on the present invention, described primary source system also comprises that one is connected in the drive circuit for driving described inverter circuit to operate between described inverter circuit and control circuit.
As a further improvement on the present invention, the fan that described radiating module comprises a fan control module and is connected with described fan control module, described fan control module is by primary source system power supply and control the running of described fan.
As a further improvement on the present invention, described fan control module is connected with the master controller in primary source system, and master controller can adapt to regulate according to variations in temperature the rotating speed of fan.
As a further improvement on the present invention, described inverter circuit comprises full bridge inverter or half-bridge inversion circuit or both combinations above.
Correspondingly, a kind of radio energy electric power system of applying above-mentioned radio energy emitter, this system also comprises a radio energy receiving system, this radio energy receiving system comprises: an induction receiver module, the electromagnetic field of launching for induction wireless electric energy emitter, to produce alternate electrical signal; One second electric energy conversion module, is connected between induction receiver module and load appliance, can be for the electric power of load appliance for described alternate electrical signal is converted to; One shroud module, is arranged between the interior each components and parts of induction receiver module and load appliance, for shield electromagnetic, to avoid the interference to each components and parts in load appliance.
As a further improvement on the present invention, described shroud module comprises the shielding paint or the ferrite that are coated on load appliance.
As a further improvement on the present invention, described shroud module comprises the metal material that is arranged between the interior each components and parts of induction receiver module and load appliance or the combination in any of conductive rubber or conductive fabric or permeability magnetic material or above-mentioned material.
As a further improvement on the present invention, described induction receiver module comprises that one or more receiving coils for induction field and change electromagnetic field signal the frequency match circuit of the alternate electrical signal of certain frequency into.
As a further improvement on the present invention, described the second electric energy conversion module comprises that one for being converted to alternate electrical signal the rectification circuit of the direct current power that is applicable to load appliance use.
As a further improvement on the present invention, described the second electric energy conversion module comprises that one for being converted to alternate electrical signal the frequency changer circuit of the alternating electromotive force that is applicable to load appliance use.
As a further improvement on the present invention, described the second electric energy conversion module also comprises that one for matching electric power the circuit for power conversion of the power that is applicable to load appliance use.
As a further improvement on the present invention, described circuit for power conversion is the step-up/down voltage stabilizing circuit for lifting voltage.
As a further improvement on the present invention, described radio energy receiving system also comprises that one for distributing the second radiating module of heat energy that this device produces.
As a further improvement on the present invention, the radiating mode of described the second radiating module comprises the combination in any of heat loss through conduction mode, heat loss through convection mode, heat loss through radiation mode, semiconductor refrigerating mode, chemical refrigeration mode or aforesaid way.
Compared with prior art, the invention has the beneficial effects as follows: the present invention is by converting electrical energy into the electromagnetic field of certain limit at transmitting terminal, by coil-induced electromagnetic field and be converted to certain electric power, be load appliance power supply at receiving terminal, thereby realize the wireless transmission of electric energy.At electric energy transmitting terminal, one radiating module is installed, to distribute the heat being produced in radio energy emission process, thereby has been extended the useful life of system; In addition, at electric energy receiving system end, a shroud module that can shield electromagnetic field is installed, to prevent the impact of electromagnetic field on electric parts, thereby the stability of whole system is promoted.
Brief description of the drawings
Fig. 1 is the operation principle schematic diagram of radio energy electric power system in an embodiment of the present invention;
Fig. 2 is the operation principle schematic diagram of radio energy emitter in an embodiment of the present invention;
Fig. 3 is the circuit theory schematic diagram of full-bridge inverting topology in an embodiment of the present invention;
Fig. 4 is the circuit theory schematic diagram of semi-bridge inversion topology in an embodiment of the present invention;
Fig. 5 is the schematic diagram of LC resonance module (series system) in the present invention;
Fig. 6 is the schematic diagram of LC resonance module (parallel way) in the present invention;
Fig. 7 is the control method flow chart in radio energy emission system of the present invention;
Fig. 8 is the operation principle schematic diagram of radio energy receiving system in an embodiment of the present invention;
Fig. 9 is the fundamental diagram of circuit for power conversion in an embodiment of the present invention;
Figure 10 is the fundamental diagram of circuit for power conversion in another execution mode of the present invention;
Figure 11 is the operation principle schematic diagram of radio energy receiving system in another execution mode of the present invention.
Embodiment
Describe the present invention below with reference to each execution mode shown in the drawings.But these execution modes do not limit the present invention, the conversion in structure, method or function that those of ordinary skill in the art makes according to these execution modes is all included in protection scope of the present invention.
First, shown in please refer to the drawing 1, in the embodiment of the invention for carrying out the operation principle schematic diagram of radio energy electric power system of wireless power transmission.Wherein, this radio energy electric power system can be used for family, office space, hotel etc. occasion, and particularly, it can be such as electric rice cooker, mixer, juice extractor, soy bean milk making machine etc. kitchen appliance and powers.Carry out the transmission of wireless mode in order to realize electric energy, to meet the power supply to load appliance, this radio energy electric power system, comprise: a radio energy emitter 10 and radio energy receiving system 20, specific works principle is: the input of radio energy emitter connects an AC power network (the standard civil power supplied of national grid (civilian, commercial etc.)), thus the alternating electromotive force (AC 220V) that input one is stable ensured.Radio energy emitter 10 comprises a primary source system 11 and a resonant circuit 12, the direct input AC electric power of primary source system 11, then export the ac signal of certain frequency through inversion conversion, this ac signal is being transferred to the resonant circuit 12 being attached thereto, this resonant circuit comprises that one or more is for launching the line of departure 120 of electromagnetic field.By this radio energy emitter, just can in the periphery certain limit of transmitting coil, form electromagnetic field (being electromagnetic wave signal).
In the specific embodiment of the invention, radio energy receiving system 20 comprises an inductive receiving circuit 21 and an electric energy conversion module 22.Inductive receiving circuit comprises one or more receiving coil 210 within the scope of electromagnetic field, its inductive electromagnetic field signal is also translated into the alternate electrical signal of certain frequency by this inductive receiving circuit, alternate electrical signal is transferred to the electric energy conversion module 22 being connected with inductive receiving circuit 21 again and carries out power match, rectification, filtering etc., thereby output can be for the electric power of load appliance.
Shown in ginseng Fig. 2, it is the operation principle schematic diagram of radio energy emitter in the embodiment of the invention.Wherein, this radio energy emitter 10 comprises primary circuit part 11 and resonance circuit part 12, particularly, primary circuit part 11 comprises following functional module: electromagnetic compatibility and electric energy conversion module 111, power-supplying circuit and power supply sequencing control circuit 112, master controller 113, inverter circuit 114, testing circuit 115, drive circuit 116, radiating module 117 and ON-OFF control circuit 118 form.Wherein, resonant circuit 12 is to be connected to form by various circuit topological structures by inductance, electric capacity.It should be noted that, resonant circuit comprises transmitting coil, and this transmitting coil is inductive part in circuit.
Electromagnetic compatibility and electric energy conversion module 111 are made up of electromagnetic compatibility circuit and electric energy conversion module, and electric energy conversion module can be half-wave rectifying circuit, full-wave rectifying circuit or bridge rectifier.This electromagnetic compatibility and electric energy conversion module 111 are connected with AC power network, its input incoming transport electric power, and alternating current is converted into certain alternating current (AC0) or direct current (DC0), this electric energy conversion module can be directly its power supply for inverter circuit 114 provides DC0, it is also connected with power-supplying circuit 112, and AC0 and DC0 are exported to respectively to power-supplying circuit.
The sequencing control that provides of whole system is provided sequential control circuit 112, and it is powered by power-supplying circuit equally.
Master controller 113 is controlled the normal operation of whole system, it can be central processing unit (Central Processing Unit, or microprocessing unit (Micro Control Unit CPU), or the integrated circuit of field programmable gate array (Field-Programmable Gate Array, FPGA) or concrete specific function etc. MCU).
Inverter circuit 114 is connected with described electromagnetic compatibility and electric energy conversion module 111, and the direct current DC0 of input is converted to can be for the ac signal of the certain frequency of resonance, and certain frequency described herein refers to and can meet the frequency that the vibration of resonant circuit requires.Please refer to shown in Fig. 3 and Fig. 4, is two kinds of topological structures (full-bridge inverting topology, semi-bridge inversion topology) of inversion resonant circuit.In full-bridge inverting topological circuit, comprise four metal-oxide half field effect transistors (Metal-Oxide-Semiconductor Field-Effect Transistor, MOSFET) Q1, Q2, Q3, Q4, wherein, two inputs of LC resonance module are connected between Q1 and Q2 and between Q3 and Q4; And in semi-bridge inversion topological circuit, comprise two MOSFET pipe Q5, Q6 and two capacitor C 1, C2, now, two inputs of LC resonance module are connected between Q5 and Q6 and between C1 and C2.
Continue with reference to shown in Fig. 2, testing circuit 115 is for detection of a few thing parameter in system.It can directly be connected for detection of the resonance frequency of resonant circuit and electric current, voltage etc. with resonant circuit, in other embodiments, this circuit also can be used for detecting electric current, the voltage of inverter circuit switching tube, the temperature of transmitting coil etc. information, its object is, match with the master controller in system, the running parameter of detection is fed back to master controller, and master controller moves control according to work at present parameter to system.
This primary source system 11 also comprises that one is connected in the drive circuit that driving signal is provided for being provided as inverter circuit between described inverter circuit 114 and master controller 113, wherein, this drive circuit receives after the alternation control signal S1 of master controller transmission, by S1 being enlarged into alternation control signal S2, to strengthen the driving force to inverter circuit.
It is worth mentioning that, radiating module 117 in present embodiment arranges in order to solve the easy long-living amount of heat of transmitting coil, its object is just to ensure that coil and coil peripheral circuits are operated in safe temperature, thereby is extended the useful life of the system of guarantee.Particularly, the radiating mode of described radiating module 117 can comprise heat loss through conduction mode (for example, near finned thermal source), heat loss through convection mode (Air Flow), heat loss through radiation mode (suitably strengthen thermal source around space length appropriate design heat dissipation channel), semiconductor refrigerating mode, chemical refrigeration mode (water-cooled or liquid nitrogen refrigerating or other chemical refrigerations) etc.
Preferably, in the embodiment of the invention, the fan 1172 that radiating module 117 comprises a fan control module 1170 and is connected with described fan control module, fan is arranged at heat generation device (transmitting coil) periphery in system, and fan control module 1170 is powered (DC3) by power-supplying circuit 112 in primary source system and controlled the running of described fan.Preferably, fan control module can be connected with the master controller in primary source system, and master controller can, according to detected variations in temperature, adapt to regulate the rotating speed of fan; In other embodiments, fan control module also can directly be connected with power-supplying circuit, realizes the control to fan running.
It is worth mentioning that, in present embodiment, in order to realize the Long-distance Control to radio energy emission system, this primary source system also comprises an ON-OFF control circuit 118, in order to the unlatching of the mode control radio energy transmitting by remote controller or close.Preferably, this remote controller is radio-frequency (RF) identification (RFID) remote controller, and because it has non-directive, user can carry out remote control arbitrarily angled, and highly sensitive, fast response time, and has certain advantage.Particularly, this ON-OFF control circuit comprises a remote controller radiating circuit 1180 and a remote controller receiving circuit 1182, remote controller receiving circuit 1182 is powered by the DC1 of power-supplying circuit 112, remote controller radiating circuit 1180 is launched after a high-frequency signal, remote controller receiving circuit 1182 receives its high-frequency signal and is converted to after a switching signal, be sent in master controller, thereby realize the unlatching of whole system or close.
Next, continue, shown in ginseng Fig. 2, to introduce whole system control flow, be specially:
In the time of system access AC power network, power-supplying circuit output DC1 voltage is to the power supply of remote controller receiving circuit, and now remote controller receiving circuit is normally worked, and waits for and receives the high-frequency signal that remote controller radiating circuit emits, and now, system is in holding state;
When trigger above remote controller switch key time, remote controller radiating circuit is launched a high-frequency signal, remote controller dash receiver is translated into switch controlling signal after receiving this high-frequency signal, and by its signal feedback to sequential control circuit, sequential control circuit is realized DC power supply by the mode of software or hardware controls and is opened sequencing control, and concrete electric power starting sequential is as follows:
1), first exporting DC2 powers to main controller;
2), secondly output DC3, DC4, DC5, DC6 give respectively testing circuit and drive circuitry;
3), again export the input of DC0 as inverter circuit, the input power of power supply circuits switches to DC0 by original AC0 simultaneously.Complete the start of whole system by above process.
When trigger again above remote controller switch key time, remote controller radiating circuit is launched a high-frequency signal, remote controller dash receiver is translated into switch controlling signal after receiving this high-frequency signal, and by its signal feedback to sequential control circuit, sequential control circuit is realized the closing timing control of DC power supply by the mode of software or hardware controls, concrete power-off sequential is as follows:
1) first turn off the output of DC0, in order to turn-off the input power of inverter circuit;
2) the secondly output of shutoff DC3, DC4, DC5, DC6;
3) input power of power supply circuits switches to AC0 by original DC0 simultaneously, and power-supplying circuit is only exported DC1 voltage and powered to remote controller receiving circuit.Complete the shutdown of whole system by above process.
Below, shown in ginseng Fig. 5,6A, 6B, LC resonant circuit of the present invention can be series system and parallel way, wherein parallel way is divided into two kinds of connected modes, therefore circuit theory is technology well known to those of ordinary skill in the art, therefore applicant does not repeat them here.
Next, shown in please refer to the drawing 7, be, the control flow chart of electric energy emission system in the embodiment of the invention.This software in system, realize to wireless power transmitter Converting Unit control in real time, frequency follows and the function such as system protection.
Concrete control flow is:
S101, system power on, the initialization of main control chip completion system;
S102, detection standby signal, if detect, standby signal is high, system enters holding state (S103), does not carry out the transmitting of electromagnetic field; Otherwise, enter step S104.
S104, with fixed frequency drive inverter circuit, carry out the transmitting of electromagnetic field;
Afterwards, detect respectively load detection signal (S105), whether have the abnormal signals such as overcurrent (S106) and system frequency whether to go beyond the scope (S107), have following action:
If frequency range goes beyond the scope, drive signal to set high and close inverter (S109), otherwise system continue normal work;
If over-current signal is high, drive signal to set high and close inverter (S109), otherwise system continue normal work;
After detecting load signal, also need to detect the load signal duration (S108), if result is not enough setting-up time, redirect S105, if result is for exceeding setting-up time, redirect S109.
Shown in ginseng Fig. 8, it is the operation principle schematic diagram of radio energy receiving system in the embodiment of the invention, and the electromagnetic field that this device is launched for above-mentioned radio energy emitter is converted into electric power, exports to electrical equipment and uses.Particularly, in the present embodiment, this device comprises: induction receiver module 21, electric energy conversion module 22, shroud module 23.Induction receiver module 21 comprises the frequency match circuit 212 that the one or more receiving coils 210 in elect magnetic field are connected with receiving coil with, and the electromagnetic field of launching for induction wireless electric energy emitter, to produce alternate electrical signal; Electric energy conversion module 22 is connected between induction receiver module 21 and load appliance 24, can be for the electric power of load appliance 24 for described alternate electrical signal is converted to.
It is worth mentioning that, shroud module 23 is arranged between induction receiver module and the interior each components and parts of load appliance, can be Ferrite Material and makes, for shield electromagnetic, to avoid the interference to each components and parts in load appliance.Preferably, in an embodiment of the present invention, shroud module can be the shielding paint or ferrite or other permeability magnetic materials that are coated on (on the bottom of a pan such as electric rice cooker) on load appliance, wherein, the one paint of shielding paint for spraying, after dry formation paint film, can play the effect of shield electromagnetic, thereby play the function of shielding electromagnetic interference; In other embodiments, shroud module also can be the metal material (silk, sheet, net etc.) that is arranged between the interior each components and parts of induction receiver module and load appliance or conductive rubber (different conductive filler) or conductive fabric or permeability magnetic material (as ferrite), spring finger (different surfaces coat) etc.
In an embodiment of the present invention, electric energy conversion module comprises that a rectification circuit 220 and that is applicable to the direct current power that load appliance uses for alternate electrical signal is converted to is applicable to for electric power is matched the circuit for power conversion 222 of power that load appliance uses, wherein, the power transfer mode of circuit for power conversion can comprise linear mode and on-off mode.
Shown in ginseng Fig. 9 and Figure 10, in the present invention's one preferred implementation, the reduction voltage circuit (Buck) (shown in Figure 10) that circuit for power conversion can be specially the booster circuit (Boost) (shown in Fig. 9) for voltage is promoted or voltage is reduced, main purpose is to offer electrical equipment with stable voltage.This is technology well known to those of ordinary skill in the art, therefore do not repeat them here.
Figure 11 is the operation principle schematic diagram of another execution mode of radio energy receiving system of the present invention.Wherein, electric energy conversion module 22 comprises that one uses the frequency changer circuit 226 of stable alternating voltage and frequency for converting electrical signals to applicable load appliance.Certainly, it should be noted that, two example embodiment of electric energy conversion module have only been introduced in this explanation, and above-mentioned rectification circuit, function conversion circuit, frequency changer circuit all do not interact, and, in same execution mode, they can coexist mutually.
It is worth mentioning that, shown in ginseng Fig. 8 and Figure 11, radio energy receiving system of the present invention possesses coil too, it equally also can produce a large amount of heat energy, so, in order to ensure its good heat radiating usefulness, this radio energy receiving system also comprises that one for distributing the radiating module 25 of heat energy that this device produces.Particularly, the radiating mode of described radiating module 25 can comprise heat loss through conduction mode (for example, near finned thermal source), heat loss through convection mode (Air Flow), heat loss through radiation mode (suitably strengthen thermal source around space length appropriate design heat dissipation channel), semiconductor refrigerating mode, chemical refrigeration mode (water-cooled or liquid nitrogen refrigerating or other chemical refrigerations) etc.
In sum, the present invention is by convert electrical energy into the electromagnetic field of certain limit at transmitting terminal,, is load appliance power supply, thereby realizes the wireless transmission of electric energy by coil-induced electromagnetic field and be converted to certain electric power at receiving terminal.At electric energy transmitting terminal, one radiating module is installed, to distribute the heat being produced in radio energy emission process, thereby has been extended the useful life of system; In addition, at electric energy receiving system end, a shroud module that can shield electromagnetic field is installed, to prevent the impact of electromagnetic field on electric parts, thereby the stability of whole system is promoted.
Be to be understood that, although this specification is described according to execution mode, but be not that each execution mode only comprises an independently technical scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should make specification as a whole, technical scheme in each embodiment also can, through appropriately combined, form other execution modes that it will be appreciated by those skilled in the art that.
Listed a series of detailed description is above only illustrating for feasibility execution mode of the present invention; they are not in order to limit the scope of the invention, all do not depart from the equivalent execution mode that skill spirit of the present invention does or change and all should be included in protection scope of the present invention within.
Claims (20)
1. a radio energy emitter, is characterized in that, this radio energy emitter comprises:
Primary source system, is converted to electric power the ac signal of certain frequency; Described primary source system comprises:
One electric energy conversion module, is connected with external communication electric network, and alternating current is converted into alternating current or the direct current of certain voltage;
One inverter circuit, is connected with described electric energy conversion module, and the direct current of input is converted to can be for the ac signal of the certain frequency of resonance;
One power-supplying circuit, is connected with described electric energy conversion module and supplies with for whole system provides power supply;
One sequential control circuit, for whole system provides sequencing control; And
One master controller, at least for controlling the running of described inverter circuit;
Concrete control flow is:
The completion system initialization that powers on of S101, system;
S102, detection standby signal, if detect, standby signal is high, system enters holding state S103, does not carry out the transmitting of electromagnetic field; Otherwise, enter step S104;
S104, with fixed frequency drive inverter circuit, carry out the transmitting of electromagnetic field; Then implement respectively following steps:
S105, detection load signal, detect the load signal duration afterwards, if result is not enough setting-up time, redirect S105, if result is for exceeding setting-up time, closes inverter circuit;
S106, detection over-current signal, if over-current signal is high, drive signal to set high and close inverter circuit, otherwise system continues normal work;
S107, the whether super scope of detection system frequency, if frequency range goes beyond the scope, drive signal to set high and close inverter circuit, otherwise system continues normal work;
Resonant circuit, is connected with described primary source system, receive described ac signal and be converted into certain frequency can for transmitting electromagnetic field, this resonant circuit comprises one or more for launching the transmitting coil of electromagnetic field;
Radiating module, the heat energy producing for distributing radio energy emitter.
2. emitter according to claim 1, it is characterized in that, the radiating mode of described radiating module comprises the combination in any of heat loss through conduction mode, heat loss through convection mode, heat loss through radiation mode, semiconductor refrigerating mode, chemical refrigeration mode or aforesaid way.
3. emitter according to claim 1, is characterized in that, described primary source system comprises a unlatching for Long-distance Control radio energy emitter or the switch control module of closing.
4. emitter according to claim 3, is characterized in that, this switch control module using radio frequency recognizing technique, and it comprises:
One remote controller radiating circuit, for launching a high-frequency signal;
One remote controller receiving circuit, for receiving described high-frequency signal and being converted into switching signal.
5. emitter according to claim 1, is characterized in that, described primary source system also comprises the testing circuit module of a running parameter for detection of system.
6. emitter according to claim 5, is characterized in that, the running parameter that described testing circuit module detects comprises resonance frequency, electric current, the voltage of resonant circuit, the temperature of electric current, voltage or the transmitting coil of inverter circuit switching tube.
7. emitter according to claim 1, is characterized in that, described primary source system also comprises that one is connected in the drive circuit for driving described inverter circuit to operate between described inverter circuit and control circuit.
8. emitter according to claim 1, it is characterized in that, the fan that described radiating module comprises a fan control module and is connected with described fan control module, described fan control module is by primary source system power supply and control the running of described fan.
9. emitter according to claim 8, is characterized in that, described fan control module is connected with the master controller in primary source system, and master controller can adapt to regulate according to variations in temperature the rotating speed of fan.
10. emitter according to claim 1, is characterized in that, described inverter circuit comprises full bridge inverter or half-bridge inversion circuit or both combinations above.
11. 1 kinds of application rights require the radio energy electric power system of the radio energy emitter described in 1 ~ 10 any one, it is characterized in that, this system also comprises a radio energy receiving system, and this device comprises:
One induction receiver module, the electromagnetic field of launching for induction wireless electric energy emitter, to produce alternate electrical signal;
One second electric energy conversion module, is connected between induction receiver module and load appliance, can be for the electric power of load appliance for described alternate electrical signal is converted to;
One shroud module, is arranged between the interior each components and parts of induction receiver module and load appliance, for shield electromagnetic.
12. radio energy electric power systems according to claim 11, is characterized in that, described shroud module comprises the shielding paint or the ferrite that are coated on load appliance.
13. radio energy electric power systems according to claim 11, it is characterized in that, described shroud module comprises the metal material that is arranged between the interior each components and parts of induction receiver module and load appliance or the combination in any of conductive rubber or conductive fabric or permeability magnetic material or above-mentioned material.
14. radio energy electric power systems according to claim 11, it is characterized in that, described induction receiver module comprises that one or more receiving coils for induction field and change electromagnetic field signal the frequency match circuit of the alternate electrical signal of certain frequency into.
15. radio energy electric power systems according to claim 11, is characterized in that, described the second electric energy conversion module comprises that one for being converted to alternate electrical signal the rectification circuit of the direct current power that is applicable to load appliance use.
16. radio energy electric power systems according to claim 11, is characterized in that, described the second electric energy conversion module comprises that one for being converted to alternate electrical signal the frequency changer circuit of the alternating electromotive force that is applicable to load appliance use.
17. according to the radio energy electric power system described in any one in claim 14 ~ 16, it is characterized in that, described the second electric energy conversion module also comprises that one for matching electric power the circuit for power conversion of the power that is applicable to load appliance use.
18. radio energy electric power systems according to claim 17, is characterized in that, described circuit for power conversion is the step-up/down voltage stabilizing circuit for lifting voltage.
19. radio energy electric power systems according to claim 11, is characterized in that, described radio energy receiving system also comprises that one for distributing the second radiating module of heat energy that this device produces.
20. radio energy electric power systems according to claim 19, it is characterized in that, the radiating mode of described the second radiating module comprises the combination in any of heat loss through conduction mode, heat loss through convection mode, heat loss through radiation mode, semiconductor refrigerating mode, chemical refrigeration mode or aforesaid way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210095175.6A CN102647030B (en) | 2012-03-31 | 2012-03-31 | Wireless electric energy transmitting device and wireless electric energy power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210095175.6A CN102647030B (en) | 2012-03-31 | 2012-03-31 | Wireless electric energy transmitting device and wireless electric energy power supply system |
Publications (2)
| Publication Number | Publication Date |
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| CN102647030A CN102647030A (en) | 2012-08-22 |
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| CN102916500A (en) * | 2012-10-24 | 2013-02-06 | 天津工业大学 | Wireless electric energy transmission device for multiple sensors |
| KR102063644B1 (en) * | 2012-12-14 | 2020-02-11 | 엘지이노텍 주식회사 | Wireless power transmitter |
| KR101977088B1 (en) * | 2013-01-08 | 2019-05-10 | 엘지전자 주식회사 | Wireless power transmitter |
| CN103051040A (en) * | 2013-01-28 | 2013-04-17 | 罗利文 | Capacitive energy storage type rechargeable battery and charging device thereof |
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| CN103956836A (en) * | 2014-04-11 | 2014-07-30 | 陕西科技大学 | Efficient remote wireless electricity transmission device |
| CN106505747B (en) * | 2015-09-04 | 2020-12-04 | 株式会社Wits | Wireless power transmitting apparatus and control method thereof |
| KR102561206B1 (en) * | 2015-09-04 | 2023-07-28 | 주식회사 위츠 | A wireless power transmitting device and a control method for the same |
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| CN109546715A (en) * | 2018-12-29 | 2019-03-29 | 河南壹元科技有限公司 | One kind passing energy charger for mobile phone based on magnet coupled resonant type wireless |
| CN109724718A (en) * | 2019-02-26 | 2019-05-07 | 浙江理工大学 | A kind of controllable thermo-electric device and its control method |
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