CN105720700A - Inductive power transfer system in an electrical outlet - Google Patents
Inductive power transfer system in an electrical outlet Download PDFInfo
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- CN105720700A CN105720700A CN201510975782.5A CN201510975782A CN105720700A CN 105720700 A CN105720700 A CN 105720700A CN 201510975782 A CN201510975782 A CN 201510975782A CN 105720700 A CN105720700 A CN 105720700A
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- H02J5/005—
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/516—Means for holding or embracing insulating body, e.g. casing, hoods
- H01R13/518—Means for holding or embracing insulating body, e.g. casing, hoods for holding or embracing several coupling parts, e.g. frames
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
- H01R43/205—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve with a panel or printed circuit board
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/338—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement
- H02M3/3381—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement using a single commutation path
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The disclosure relates to an inductive power transfer system in an electrical outlet, and more specifically discloses a primary side of the inductive power transfer system, a secondary side of the inductive power transfer system, a base unit installed in a cavity in the surface and a cover unit used for connecting to the base unit. The primary side comprises a power input end used for input of main line power or power supply power, a rectifier used for receiving electrical signals from the power input end and carrying out rectification on the electrical signals and a transmission coil used for receiving rectified signals from the rectifier and transmitting the rectified signals. According to the embodiment of the disclosure, higher flexibility can be provided for users.
Description
Introduced list of references
With reference to following disclosure in this application:
PCT/AU12014/000545, its title is " ConnectionSystemandMethodForElectricalOutlets (connection system and method for supply socket) "
PCT/AU12014/000544, its title is " BattenHolder, Connector, SystemandMethod (batten holder, adapter, system and method) "
PCT/AU12011/001675, its title is " TouchSwitch (soft-touch control) "
PCT/AU2013/001274, its title is " GeneralPowerOutletandRemoteSwitchModule (universal power supply socket and remote switch module) "
The Australian Provisional Patent application of CO-PENDING, its title is " ElectricalSystem, ApparatusandMethod (electrical system, device and method) "
The Australian Provisional Patent application of CO-PENDING, its title is " ConnectionSystemandMethodforElectricalOutlets (connection system that supply socket uses and method) "
The Australian Provisional Patent application of CO-PENDING, its title is " SwitchAssembly, SystemandMethod (switch module, system and method) "
The Australian Provisional Patent application of CO-PENDING, its title is " PushButtonSwitchAssembly (push-Button switch assembly) "
The Australian Provisional Patent application of CO-PENDING, its title is " SwitchAssemblywithRotatableOperationalPart (switch module with rotatable functional unit) "
The full content of every section of document in these documents is all incorporated herein by reference.
Prioity claim
This application claims following application claims priority:
Australian Provisional Patent application No.2014905212, its title is " InductivePowerTransferInanElectricalOutlet (inductive power transfer systems in supply socket) "
Australian Provisional Patent application No.2014905211, its title is " ConnectionSystemandMethodforElectricalOutlets (connection system that supply socket uses and method) "
Australian Provisional Patent application No.2014905209, its title is " SwitchAssembly, SystemandMethod (switch module, system and method) "
Australian Provisional Patent application No.2014905213, its title is " PushButtonSwitchAssembly (push-Button switch assembly) "
Australian Provisional Patent application No.2014905203, its title is " SwitchAssemblywithRotatableOperationalPart (switch module with rotatable functional unit) "
Chinese patent application No.201410795485.8, its title is " HybridSwitchMechanism (hybrid switch mechanism) "
Chinese patent application No.201410795482.4, its title is " SwitchAssemblyWithRotatableOperationalPart (switch module with rotatable functional unit) "
Chinese patent application No.201410795430.7, its title is " Push-ButtonSwitchAssemblyandOperationalPart (push-Button switch assembly and functional unit) "
The full content of every section of document in these documents is all incorporated herein by reference.
Technical field
The application relates to supply socket and switch panel.
Background technology
Many buildings have one or more electrical socket, wall box and/or switchboard, it allows the user in building to access power supply so that such as the electrical equipment of vacuum cleaner, computer or TV etc is operated, or controls one or more electrical equipments of such as lamp etc.
Along with building automation becomes more general, the more function that controls is made available by.
Summary of the invention
According to an aspect, it is provided that the primary side of inductive power transfer systems, described primary side includes:
Power input, it is used for incoming trunk power or power；
Commutator, it is for receiving the signal of telecommunication from described power input, and for the described signal of telecommunication is carried out rectification；And
Transmission coil, it is for receiving the rectified signal from described commutator, and is used for transmitting described rectified signal.
In one embodiment, described power input is AC/DC flyback power converter.
In one embodiment, described primary side also includes the primary side data input pin for receiving data.
In one form, described primary side also includes the controller for producing control signal, and described control signal is used for controlling described transmission coil transmission input data.
In one form, described control signal, by the frequency modulation(PFM) of the driving frequency to described transmission coil, controls described transmission coil.
According to second aspect, it is provided that the primary side of inductive power transfer systems, described primary side includes:
Receiving coil, it is for receiving the electromagnetic signal of the transmission coil of the primary side from described inductive power transfer systems；
Voltage rectifier, it is for carrying out rectification to the output signal from described receiving coil；And
Voltage regulator, it is for being adjusted the rectified signal received from described voltage rectifier, and is adjusted voltage for output.
In one embodiment, described primary side also includes demodulator of PM signal PM, and described demodulator of PM signal PM is for being demodulated the received data from the electromagnetic signal that described receiving coil exports.
In one form, described primary side also includes data input pin, and described data input pin is for receiving the data being input to described primary side.
In one form, described primary side also includes manipulator, and described manipulator is for being modulated the amplitude of the signal transmitted by described receiving coil.
According to the 3rd aspect, it is provided that being assemblied in the base unit in the hole in surface, described base unit includes:
Input terminal, it is used for receiving main line power or power；And
The primary side of the inductive power transfer systems according to first aspect.
In one form, described base unit also includes the dock connector for being connected to cap unit.
In one form, described base unit also includes for outfan of being powered by the pedestal that power or main line power provide to equipment.
According to the 4th aspect, it is provided that for being connected to the cap unit of base unit, described cap unit includes:
Lid adapter, it is for being connected to the dock connector of described base unit；And
The primary side of the inductive power transfer systems according to the third aspect.
Accompanying drawing explanation
In conjunction with accompanying drawing, the embodiment of various aspects described herein will be described, in the accompanying drawings:
Figure 1A illustrates the front perspective view of the base unit according to an aspect；
Figure 1B illustrates the rear view of base unit；
Fig. 2 A illustrates the side view of the base unit with power input；
Fig. 2 B illustrates the front perspective view of the base unit of the embodiment with transmission coil；
Fig. 2 C illustrates the front perspective view of the base unit with another kind of example transmissions coil；
Fig. 3 illustrates the system block diagram of the first side of the inductive power transfer systems according to an embodiment；
Fig. 4 illustrates the system block diagram of the first side of the inductive power transfer systems according to another embodiment；
Fig. 5 illustrates that the pedestal that comprises according to another embodiment is powered the base unit of outfan；
Fig. 6 illustrates the rear perspective view of the cap unit according to an embodiment；
Fig. 7 A illustrates the rear perspective view of the cap unit according to another embodiment；
Fig. 7 B illustrates the rear perspective view of the cap unit according to another embodiment；
Fig. 8 illustrates the system block diagram of the second side of the inductive power transfer systems according to an embodiment；
Fig. 9 illustrates the system block diagram of the second side of the inductive power transfer systems according to another embodiment with communication functionality；
Figure 10 illustrate for allow power and/or data between two unit inductive transfer and be connected to the side view of the cap unit 200 of base unit 100；
Figure 11 illustrates the first side of the inductive power transfer systems according to an aspect and the system block diagram of the second side；
Figure 12 illustrates for the different interval size between transmission coil and receiving coil, graph of a relation between loss and output；
Figure 13 illustrates the system effectiveness figure of the function as gap size；
Figure 14 illustrate for variable interval size, be adjusted output voltage and output electric current between graph of a relation；
Figure 15 A illustrates the circuit block diagram of the Circuits System that the primary side of inductive power transfer systems uses；
Figure 15 B illustrates the circuit block diagram of another Circuits System that the primary side of inductive power transfer systems uses；
Figure 15 C illustrates the circuit block diagram of another Circuits System of the primary side for inductive power transfer systems；
Figure 16 illustrates the circuit block diagram of the Circuits System that the primary side of inductive power transfer systems uses；
Figure 17 A illustrates the realization of the Circuits System of Figure 15 A to Figure 15 C on PCB and Figure 16；
Figure 17 B illustrates the structure of viewed from below Figure 17 A；
Figure 18 A illustrates the first side of the assembling using three pieces of PCB as shown in Figure 17 A and Figure 17 B；And
Figure 18 B illustrates the second side of the assembling using two pieces of PCB as shown in Figure 17 A and Figure 17 B.
Detailed description of the invention
In in one described herein, it is provided that base unit 100, it is shown that base unit is used for being assembled to surface, and is used for being electrically connected to main line power or power, or is used for being connected to cap unit 200.Figure 1A illustrates the front perspective view of the common embodiment of base unit 100, and Figure 1B illustrates the back perspective view of the base unit 100 in Figure 1A.In an aspect, base unit 100 includes the assembly area 110 for base unit 100 is assembled to surface.In certain embodiments, described surface is wall.In some other embodiments, described surface is floor.In some other embodiments, described surface is the wall of chest or other housing.
In certain embodiments, described assembly area 110 self is exactly a surface, and this surface will will be assemblied in surface thereon with base unit 100 and contact.In such an embodiment, the surface of this assembly area is frame, and this frame extends around at least some of of circumference of base unit 100, in order to be connected to described surface.In other embodiments, described assembly area 110 is pin, contact pin (tab) or other adapter.
As shown in Figure 1A, base unit 100 also comprises the dock connector 120 for described base unit is connected to cap unit 200, and this will be more particularly described hereinafter.Generally shows described dock connector 120 in figure ia, but it can adopt the arbitrary form allowing that described cap unit 200 (referring to Fig. 6) is connected to described base unit 100.Described form includes for holding protruding depression from described cap unit 200, arranges for projection, the button bit being accommodated in the corresponding depression in described cap unit 200, for attracting and keep the magnet in region of described cap unit.In other embodiments, described dock connector is binding agent (adhesive) or ring-hook (loop-hook) adapter, such as by VelcroIndustriesB.V produce with trade markThe product sold.In this embodiment, dock connector 120 can be ring component or the hook part of adapter.
Base unit 100 also comprises base unit power input 130, for base unit 100 is electrically connected to power supply or main supply.In some countries, main supply or power supply are provided as and are approximately 240V (such as, between about 220V and 260V) and are approximately exchange (AC) signal of telecommunication of 50Hz.In other country, main supply or power supply are provided as the AC signal between about 100V and 130V.Some system uses the frequency being approximately 50Hz, and other system uses the frequency being approximately 60Hz.Some power supply system is monophase system, and other power supply system is probably three-phase system.It is to be understood that any power that can be considered power or main line power can be used.
In certain embodiments, base unit power input 130 is electric terminal module (block), and the electric conductor or the electric lead that carry power can be connected to described electric terminal module.In certain embodiments, each energized conductor, earth conductor and neutral conductor are connected to the corresponding terminal in described electric terminal module, and those skilled in the art will be appreciated from this point.In other embodiments, energized conductor and earth conductor are only connected.
In certain embodiments, base unit 100 also comprises pedestal power take-off 150, for providing output when cap unit 200 is connected to base unit 100 for cap unit 200.
According to an aspect described herein, inductive power transfer systems 400 providing pedestal power take-off 150, it will be described more specifically by hereinafter.
Fig. 2 A illustrates the side view of base unit 100, and this base unit 100 is for being assembled to surface and for being connected to the power source of such as main line or power etc.In this one side, base unit 100 includes: the base unit power input 130 provided by input sub-block, and this base unit power input 130 is used for receiving main line or power 50；First side 410 of inductive power transfer systems 400, it is connected to base unit power input 130, receives power for from power 50, and is used for the coil emittance from the first side.In arranging at this, power converter 140 also 410 is served as in the first side, because it receives main line or corona discharge power output in different forms at its input end, this will be described in greater detail below.
In the present embodiment, pedestal power take-off 150, by providing round the coil 414 of the peripheral setting of base unit 100 in one embodiment, as shown in Figure 2 B, it illustrates the front isometric view of base unit 100.In other embodiments, smaller area provides coil 414, as shown in FIG. 2 C.In one embodiment, coil 414 is provided as the printed coil on printed circuit board (PCB) (PCB).This embodiment guarantees high reproducibility and reduces cost.In other embodiments, wire coil 414 is provided round the physics winding of FERRITE CORE.
Fig. 3 illustrates the system block diagram of an embodiment of the first side 410.In the present embodiment, the first side 410 includes the power input 411 for receiving power (such as via input sub-block or from main line or power supply, or from other source).In one embodiment, power input 411 is that 5W isolates AC/DC direction flyback converter.Input 411 is connected to commutator 412, is half bridge rectifier for commutator in one embodiment, and in particularly embodiment, for the half bridge rectifier being made up of mos field effect transistor (MOSFET).
Commutator 412 is connected to resonant network 413.The outfan of resonant network 413 is connected to transmitting coil 414, for emittance as output.
In one embodiment, the magnetic flux concentrator 415 of such as FERRITE CORE etc is additionally provided.
Input power to AC/DC flyback level can at about 110V extremely about between 240VAC, and be about 50Hz to 60Hz.The output of this grade is at about 6W and about about 12VDC between 10W.Another effect of this power stage is supplied to the electric isolution (referring to figure 4 below and associated description) between main line or electric power network input and the data input stage of power stage.
Fig. 4 illustrates another embodiment of the first side 410 providing its communication ability.In the present embodiment, input 416 is for receiving from external source (such as by such asOrEtc another equipment of wirelessly communicating with input 416 of any suitable agreement) data, or for using the modulation of the electric current carried by main line power conductors, and directly receive data (such as digital data input) from main supply 50.
The output of data modulator 416 is applied in the input of controller 417, and controller 417 produces modulation signal the output of transmitter coil 414 to be modulated according to data, as will be described in more detail.This allows the energy radiated by transmitting coil 414 by modulation to launch data.Previously described other elements all in Fig. 4 in figure 3.
In some embodiment as shown in Figure 5, base unit 200 includes for directly providing base unit power take-off 190 to the such as electrical equipment such as heater, fan, radio, TV.In the present embodiment, pedestal 100 can have two power take-offs, for providing the pedestal power take-off 150 of output to cap unit 20 and for providing the base unit power take-off 190 of power to the external equipment except cap unit 200.In the present embodiment, base unit power take-off 190 is directly connected to base unit power input 130 to provide a user with main line or power.In one embodiment, base unit power take-off 190 is the socket of the plug of the electrical equipment for receiving such as vacuum cleaner etc.In certain embodiments, cap unit 100 will have the aperture allowing directly to access base unit power take-off 190, or make the input of their own for receiving plug from external equipment, such as a series of one, two or three or more aperture, it receives corresponding plug and the socket with base unit power take-off 190 aligns.
In another aspect, it is provided that cap unit 200 as shown in Figure 6.In broad embodiment, cap unit 200 includes the lid adapter 220 for cap unit 200 is connected to base unit 100.In certain embodiments, lid adapter 220 engages with dock connector 120, so that cap unit 200 is connected to base unit 100.
Illustrate generally lid adapter 220 in figure 6, but it can take permission that cap unit 200 is connected to any form of base unit 100.This type of form includes for holding protruding depression from base unit 100, arrange for the projection being housed inside in the respective recesses in base unit 100, button bit or for attracting and keep the magnet in region of base unit 100.
Cap unit 200 also includes for receiving the lid power input 210 from the output of base unit 100 power.Cap unit 200 can also include the functional circuit 280 that can receive power from lid power input 210.
According to another aspect described herein, lid power input 210 is the second side 420 of inductive power transfer systems 400.Fig. 7 A illustrates the cap unit 200 with the lid power input 210 provided by the receiving coil 424 of the second side 420.Function electronic installation 280 is connected to the second side 420 and powers with any parts to functional circuit to receive power.
It is understood that functional circuit 280 could be for being operated in the one or more electric components to receive power from lid power input 210 any one.In a simple embodiment, functional circuit 280 is lamp, or the lamp of such as electric filament lamp, fluorescent lamp or light emitting diode (LED) etc, and it is lighted when receiving power from lid power input 210.These equipment also can have support circuit.In other embodiments, functional circuit 280 includes many parts, and the electromechanical equipment of integrated circuit, microcontroller, memory devices and analogy and digital circuit, display unit or screen and such as speaker or actuator etc can be included, in order to perform any desired function.
Fig. 8 illustrates the embodiment of the second side 420 of inductive power transfer systems 400.In the present embodiment, the second side 420 includes the receiving coil 424 for receiving the energy radiated by the transmitting coil 414 of the first side 410.The energy received is provided to commutator and the input of filter block 422, this commutator and filter block 422 carry out rectification and filtering to received signal, and rectification and filtered signal are supplied to the input of pressure regulator 421, to provide modulated voltage as the outfan of the second side 420.Then this outfan can be connected to functional circuit 280, to provide power to allow it to be operated to functional circuit 280.In one embodiment, this output is the 5VDC with 500mA electric current, it is provided that the power of 2.5W.
In another embodiment, the second side 240 includes communication function as shown in Figure 9.With the present embodiment of the embodiment cooperation of the first side 410 as shown in Figure 4, receiving coil 424 receives the energy of radiation from the transmitting coil 414 of the first side 410, then as previously mentioned based on this modulated data signal.The signal that receives at receiving coil 424 place is applied in the input of commutator and wave filter 422 to provide Power Processing as previously mentioned, but also provides at the input end of demodulator of PM signal PM 425, with from receiving signal extraction data signal.Output at demodulator of PM signal PM 425 provides demodulated signal to apply to functional circuit 280.As such, it is possible to the operation of the Data Control functional circuit 280 sent from base unit 100.
In one embodiment, the method transmitting data from primary side (i.e. base unit 100) to primary side (i.e. cap unit 200) is the modulation of the driving frequency via the primary coil carried out according to input data.This modulation can use analogue technique to complete in one embodiment, but also can complete via microcontroller in other embodiments.
In one embodiment, the method transmitting data from primary side (i.e. cap unit 200) to primary side (i.e. base unit 100) is via the Modulation and Amplitude Modulation undertaken by applying modulation signal on LC resonance circuit according to the data being input to cap unit 200.These type of data with any suitable means input, including one or more user inputs of the button activated by user on such as cap unit etc, or can pass through wirelessly to launch the remote-control device of data to cap unit 200.
Figure 10 illustrates and is connected to the base unit 100 cap unit 200 with offer system 300 via dock connector 120 and cap unit adapter 220.In this view, base unit 100 is mounted to surface 40, and this surface is wall in the present embodiment.In arranging at this, the receiving coil 424 of the second side being associated with cap unit 200 is placed as the transmitting coil 414 being sufficiently close to the first side 410, to provide inductive power transfer systems 400 as shown in Figure 11.
The scope of the distance between receiving coil 424 and transmitting coil 414 basically 0mm until about 10mm or more than, including 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm and 9mm and interval between.The operation of inductive transmission systems will change according to the distance between transmitting coil 414 and receiving coil 424.
Figure 12 illustrates the graph of a relation between the loss for different interval size and output.According to this figure, it can be seen that along with interval has exceeded about 1.5mm, loss starts to increase more rapidly.
Figure 13 illustrates the system effectiveness figure of the function as gap size.According to this figure, it may be noted that after gap size exceedes about 1.5mm, efficiency also begins to decline.Certainly, system still can be used when this bigger gap size.
Figure 14 illustrate for variable interval size, be adjusted output voltage and output electric current between graph of a relation.
Now, will with reference to Figure 15 A, 15B and 15C, and it is described with reference to Figure 16 the details of a specific embodiment, Figure 15 A, 15B and 15C illustrate the exemplary circuit layout of the different piece of the first side as above or primary side, and figure 16 illustrates the exemplary circuit layout of the different piece of the second side.One of skill in the art will appreciate that the function of each circuit, thus whole circuit will not be described in detail, but but provide the detail of some part hereinafter.
In one embodiment, in primary side 410 (as shown in fig. 15), by printed circuit offer transmission coil 414 (TX_ANTENNAA1) being approximately 20mmx20mm by size being printed on PCB.Shown circuit comprises six layers of copper, and each layer all has the thickness of about 35 μm.One layer of signal of telecommunication being used to the 12V that carrying is provided by power stage (powerstage), and other five layers comprise four circles, 20 circles are used for transmission coil 414 altogether.In this embodiment, transmission coil 414 inductance provided is approximately 9 μ H (100kHz).Iron core (for example, it is possible to from the FerroxcubeInternationalHoldingB.V. PLT22/16/2.53C90 obtained) is attached to the rear portion of the coil of the inductance with about 13 μ H.
In one embodiment, the UCC25600 controller by being provided by Texas Instruments provides the control signal that coil 414 is controlled.The high voltage gate driver of the LM5101 by such as being provided by Texas Instruments provides the control to MOSFET half-bridge 412.
Identical above with regard to the embodiment described by primary coil or transmission coil 414, in one embodiment, receiving side 420 (as shown in figure 16) place, PCB prints receiving coil 424 (RX_ANTENNAA2).In one embodiment, in order to optimize the coupling between the two coil 414,424, their geometry (size and dimension) is substantially the same.But, in one embodiment, the ratio of the number of turn of secondary coil or receiving coil 424 and the number of turn of primary coil or transmission coil 414 is 1.2.In one embodiment, the number of turn of secondary coil 424 is 24, and the number of turn of primary coil is 20.
In one embodiment, transmission frequency is approximately 180kHz.
In this embodiment, in order to make the loss in commutator minimize, employing such as can from the NMUL1210 that SemiconductorComponentsIndustriesLLC (semiconductor device industry Co., Ltd) the obtains commutator made.The structure of four diodes generally used in rectification is replaced by two MOSFET coupled with two Schottky diodes, and they are all integrated in the encapsulation of 4x4mm.The output of commutator is filtered, and passes it to the step-down controller of 2MHz operation.This filtered signal is converted to be fixed on be approximately 5Vdc be adjusted voltage.Higher buck converter operation frequency allows the 2 μ H low-value inductor using height less than 1mm.Each element in these design elements allows inductive power transfer systems to be accommodated in less volume, and this is just required for the application.
As previously described, the output of receiving coil 424 is also used to extract the data transmitted by primary side.In one embodiment, the first order of communications portion comprises operational amplifier (U9) (such as, LM393DMR2G), input signal is differentiated by it, and is converted into the rectangular signal of the 0-5V of the frequency with the driving frequency equal to primary coil 414.Subsequently, this signal input value is had the monostable circuit (monostable) (U10:A) of the time cycle (timeperiod) of 2.7 μ s.Owing to the time cycle of monostable circuit is fixed, so when changing from the signal frequency of transmitter, also changing accordingly from the dutycycle (theratioofthecycle) of the signal of monostable circuit output.
One-level (U11:B) below provides the low pass filter of about 10KHz, and it extracts the mean frequency value of the signal from monostable circuit output.Therefore, the output signal of U11 is directly proportional to the driving frequency of transmission coil 414.The final function provided by comparator (U9:B) is used as difference engine.The frequency instantaneous value of the signal exported by low pass filter and its meansigma methods are compared by it.
In a word, fast frequency changes the output state of comparator, and this output state is filtered by RC network R41/C35.Described system allows the frequency shift in the signal that primary side is transmitted simply to demodulate.
In order to correctly play a role, the frequency of the signal transmitted should be substantially higher than the cut-off frequency of the 1Hz of RC network (R41/C35), and is substantially lower than the cut-off frequency (10kHz) of the low pass filter of the output being positioned at transducer.
In order to avoid the vibration of comparator (U9:B), an input at comparator with the addition of small resistor (R46).The data exchange showing between transmitter and receptor visually is allowed at the LED (D9) of the outfan of comparator.
Finally, by making receiving coil 424 load according to the data signal that will transmit, provide and transmit from receptor 420 to the data of transmitter 410.This is performed by the resistor of controlled by MOSFET 22 ohm, and MOSFET self is controlled by the signal that will transmit.
In this embodiment, the data exchange between transmitter and receptor non-synchronously performs (that is, half-duplex).In one embodiment, this allows by lifting up for LED in every side of transmitter side and receiver-side, it is provided that the visualization carrying out data exchange is indicated.In this example, it is possible to the speed rates information of up to about 500 bits per seconds.
It is to be appreciated that provide the concrete of inductive power transfer systems to apply the obstacle providing huge under the entity of electrical panel system as described herein limits.Each also being able to of some design elements in multiple electrical design element described above contributes, thus allowing for this system.
Actual configuration also is able to contribute, thus allowing to provide this system among less volume.In one embodiment, various function described above module provides on five different PCB.
Base unit/transmitter/primary side
1. the ac input of about 90V to about 240V is converted to 12V by power stage, and its power output having is about 10W
2. electromagnetic transmission coil/antenna
3. controller and modulating/demodulating part
Cap unit/receptor/primary side
4. electromagnetism receiving coil/antenna
5. rectification stage, filtering stage, governing stage and modulating/demodulating level
In one embodiment, after assembling completely, transmitter/primary side is included within the volume being approximately 23x20x42mm.In multiple embodiments by about 6W rather than about 10W of the output of power stage, this volume even can be further decreased.
In one embodiment, two PCB provide reception side or primary side 410.For receiving coil 424, another PCB is for power adjustments and data modulation/demodulation to one PCB.Function performed by these parts is that the reception to the EM signal received and distribution, rectification, DC/DC regulate to 5V, filtering and FM to solve and be in harmonious proportion AM modulation.
In one embodiment, providing receiving coil 424 by the printed circuit on PCB, it is substantially of the same size with transmission coil 414, i.e. size is approximately 20mm and takes advantage of 20mm.In order to compensate the weak coupling between the two coil, the number of turn of receiving coil 424 is slightly more than the number of turn of transmission coil 414, and the number of turn specifically 24 circles (simultaneously transmission coil 414 there are 20 circles) in this embodiment.From before described only in transmission coil 414 uses five layers different, for coil 424, by using whole six layer to realize.The inductance that receiving coil 424 realizes is about 13 μ H.At the rear portion of the PCB relative with coil 424, it is attached the magnetic sheet 423 identical with the thickness of coil 424, the about 20.2 μ H of inductance.The output signal of receiving coil 424 carries out rectification proceeded as above subsequently.
In one embodiment, the total surface area receiving side/primary side is about 40x20mm, and its thickness is about 4.5mm (containing PCB and all parts).In this embodiment, all parts is assembled on two faces of PCB, but, in other embodiments, it is possible to all parts is only fitted on a face, thus result in the thickness being about 2.5mm, and result in electronic device and occupy less volume.
Figure 17 A and Figure 17 B illustrates the actual realization of foregoing circuit.Figure 17 A illustrates the top view of circuit board, and uses a coin to show its ratio in the example shown.Figure 17 B illustrates the bottom view of Figure 17 A.
In one embodiment, the three blocks of plates of transmitter 410 U-shaped shape shown in Figure 18 A assembles.Volume occupied by transmitter side 424 is about 42x20x22mm, i.e. 18.5cm3.Figure 18 B illustrates the assembled reception side 420 assembled in one plane.
It is to be understood that the system 300 including base unit 100 and cap unit 200 allows by simply dock connector 120 and lid adapter 220 being engaged the simple connection realizing cap unit 200 to base unit 100.By this way, any user can both assemble easily, remove and replacing cover unit 200, without any electric knowledge or certificate.
And, system 300 allows multiple different cap units 200 are connected to base unit 100.This allows user to use the cap unit 200 of difference in functionality to carry out replacing cover unit 200, provides the user greater flexibility thus according to time dependent user's request.
Such as, in one embodiment, cap unit 200 is permission system 300 to be served as conventional electrical receptacle to allow user to the supply socket that such as equipment such as vacuum cleaner, TV is powered and switch arrangement.If user has the life stage of child subsequently into wherein user, then then user by dismantling dock connector simply and cap unit 200 easily pulled down by lid adapter, and can replace this cap unit 200 with the different cap units 200 of the difference in functionality providing such as baby monitor or night illumination etc..
In entire disclosure and following claims, unless be distinctly claimed within a context, otherwise, word " comprises " and " including " and the change such as " containing " and " including " will be understood as the combination having implicitly included described part or part, but it is not excluded that any other parts or the combination of any other parts.
Any prior art mentioned in the description is not and should not be construed as, and have recognised these prior aries constituting known general knowledge part and gives any type of enlightenment.
Those skilled in the art is not it is to be understood that the present invention is limited in its application in described concrete application.And the present invention is also not restricted to the preferred embodiment therein in conjunction with concrete element that is described herein or that describe and/or feature.It is to be understood that the invention is not restricted to disclosed one or more embodiments, and can be used for many rearranging, revise and replacing, without departing from the scope of the present invention set forth by appended claims and limited.
It is to be understood that appended claims are only provisional claims, and provide as just the example of possible claim, rather than be intended to in the future based on the application any patent application in may call for the scope of protection and limit.Various piece may be increased in the future in example rights requires, or remove some part from example rights requirement, thus limiting further or again limiting the present invention.
Claims (13)
1. a primary side for inductive power transfer systems, described primary side includes:
Power input, it is used for incoming trunk power or power；
Commutator, it is for receiving the signal of telecommunication from described power input, and for the described signal of telecommunication is carried out rectification；And
Transmission coil, it is for receiving the rectified signal from described commutator, and is used for transmitting described rectified signal.
2. primary side according to claim 1, wherein, described power input is AC/DC flyback power converter.
3. the primary side according to any one in claim 1 or 2, also includes the primary side data input pin for receiving data.
4. primary side according to claim 3, also includes the controller for producing control signal, and described control signal is used for controlling described transmission coil transmission input data.
5. primary side according to claim 4, wherein, described control signal is by controlling described transmission coil to the frequency modulation(PFM) of the driving frequency of described transmission coil.
6. a primary side for inductive power transfer systems, described primary side includes:
Receiving coil, it is for receiving the electromagnetic signal of the transmission coil of the primary side from described inductive power transfer systems；
Voltage rectifier, it is for carrying out rectification to the output signal from described receiving coil；And
Voltage regulator, it is for being adjusted the rectified signal received from described voltage rectifier, and is adjusted voltage for output.
7. primary side according to claim 6, also includes demodulator of PM signal PM, and described demodulator of PM signal PM is for being demodulated the received data from the described electromagnetic signal that described receiving coil exports.
8. primary side according to claim 7, also includes data input pin, and described data input pin is for receiving the data being input to described primary side.
9. primary side according to claim 8, also includes manipulator, and described manipulator is for being modulated the amplitude of the signal transmitted by described receiving coil.
10. being assemblied in the base unit in the hole in surface, described base unit includes:
Input terminal, it is used for receiving main line power or power；And
The primary side of the inductive power transfer systems according to any one in claim 1 to 5, described primary side is connected to described input terminal.
11. base unit according to claim 10, also include the dock connector for being connected to cap unit.
12. according to the base unit described in any one in claim 10 or 11, also include for outfan that the pedestal that power or main line power provide to equipment is powered.
13. for the cap unit being connected to base unit, described cap unit includes:
Lid adapter, it is for being connected to the dock connector of described base unit；And
The primary side of the inductive power transfer systems according to any one in claim 6 to 9.
Applications Claiming Priority (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2014905213 | 2014-12-22 | ||
| AU2014905212A AU2014905212A0 (en) | 2014-12-22 | Inductive power transfer in an electrical outlet | |
| AU2014905211A AU2014905211A0 (en) | 2014-12-22 | Connection system and method for electrical outlets | |
| AU2014905209 | 2014-12-22 | ||
| AU2014905213A AU2014905213A0 (en) | 2014-12-22 | Push-button switch assembly, and operational part | |
| AU2014905210A AU2014905210A0 (en) | 2014-12-22 | Electrical system, apparatus and method | |
| AU2014905203A AU2014905203A0 (en) | 2014-12-22 | Switch assembly with rotatable operational part | |
| AU2014905211 | 2014-12-22 | ||
| AU2014905210 | 2014-12-22 | ||
| AU2014905203 | 2014-12-22 | ||
| AU2014905212 | 2014-12-22 | ||
| AU2014905209A AU2014905209A0 (en) | 2014-12-22 | Switch assembly, system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105720700A true CN105720700A (en) | 2016-06-29 |
Family
ID=56147001
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510974787.6A Active CN105720412B (en) | 2014-12-22 | 2015-12-22 | Connection system and method for power outlets |
| CN201510974488.2A Active CN105720796B (en) | 2014-12-22 | 2015-12-22 | Electrical system, apparatus and method |
| CN202010067217.XA Active CN111384622B (en) | 2014-12-22 | 2015-12-22 | Connection system and method for power outlets |
| CN201510975782.5A Pending CN105720700A (en) | 2014-12-22 | 2015-12-22 | Inductive power transfer system in an electrical outlet |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510974787.6A Active CN105720412B (en) | 2014-12-22 | 2015-12-22 | Connection system and method for power outlets |
| CN201510974488.2A Active CN105720796B (en) | 2014-12-22 | 2015-12-22 | Electrical system, apparatus and method |
| CN202010067217.XA Active CN111384622B (en) | 2014-12-22 | 2015-12-22 | Connection system and method for power outlets |
Country Status (3)
| Country | Link |
|---|---|
| CN (4) | CN105720412B (en) |
| HK (3) | HK1220816A1 (en) |
| ZA (2) | ZA201509299B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111224472A (en) * | 2018-11-26 | 2020-06-02 | 法雷奥舒适驾驶助手公司 | Calibration method for compensating power loss of wireless power transmission apparatus |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111384622B (en) | 2022-08-05 |
| ZA201509303B (en) | 2022-12-21 |
| HK1220816A1 (en) | 2017-05-12 |
| CN105720412B (en) | 2020-02-21 |
| HK1220813A1 (en) | 2017-05-12 |
| HK1221337A1 (en) | 2017-05-26 |
| CN105720796B (en) | 2020-09-11 |
| CN105720796A (en) | 2016-06-29 |
| CN111384622A (en) | 2020-07-07 |
| CN105720412A (en) | 2016-06-29 |
| ZA201509299B (en) | 2022-12-21 |
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