CN204835717U - Film coil component and flexible formula wireless charging device and system that are suitable for thereof - Google Patents
Film coil component and flexible formula wireless charging device and system that are suitable for thereof Download PDFInfo
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- CN204835717U CN204835717U CN201520275685.0U CN201520275685U CN204835717U CN 204835717 U CN204835717 U CN 204835717U CN 201520275685 U CN201520275685 U CN 201520275685U CN 204835717 U CN204835717 U CN 204835717U
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Abstract
The utility model relates to a film coil component and flexible formula wireless charging device and system that are suitable for thereof, wherein film coil component includes: flexible base plate has first face and second face, and wherein first facial features is to the second face, the oscillation starting antenna sets up in the first face of flexible base plate, the resonant antenna sets up in the second face of flexible base plate, and wherein the condenser in one or more is connected at the both ends of resonant antenna, and the resonant antenna be with oscillation starting antenna resonant coupling to a specific resonant frequency's electromagnetic wave is launched or received, first protective layer covers the oscillation starting antenna, and the second protective layer, cover the resonant antenna.
Description
Technical field
The utility model has about a kind of charging device and coil part thereof, espespecially a kind of flexible radio charging device and film coil element thereof.The utility model also comprises a kind of wireless charging system utilizing this flexible radio charging device.
Background technology
Various portable electronic devices such as mobile phone, panel computer have been widely used in daily life, for providing portable electronic devices to operate required electric energy, must charge with charger to its internal cell.Be applicable to various environment for use due to wireless charging device and can not be subject to the restriction of power line, can be convenient to user and carry out charging application, therefore wireless charging device is developed to replace the use of wired charger gradually.
Wireless charging is also known as induction charging or contactless charging, and energy provides from electric supply installation by means of wireless mode and gives current-collecting device by it.At present, wireless charging technology is summarized and is divided into three large camps, wireless charging alliance WPC (WirelessPowerConsortium) (QI), electric utility alliance PMA (PowerMattersAlliance), radio source alliance A4WP (AllianceForWirelessPower), wherein with WPC, A4WP alliance for main flow, the wireless charging mode adopted then has the technology of magnetic induction (low frequency) and magnetic resonance (high frequency) respectively.Magnetic induction way only can be used for short-distance transmission and current-collecting device needs contraposition to be attached at electric supply installation, and its energy conversion efficiency is higher, is but difficult to realize multiple current-collecting device and charges simultaneously.Magnetic resonance is then allow transmitting terminal and receiving terminal reach specific resonant frequency, both sides can be allowed to form magnetic resonance phenomenon, reach the object of Energy Transfer in this way.Compared to magnetic induction way, magnetic resonance mode can realize longer-distance charging.
At present, no matter be the wireless charging device adopting magnetic induction or mr techniques, its coil part usually adopts copper foil windings and to be arranged at by copper foil windings on hard substrate and to be installed in housing, therefore existing wireless charging device cannot according to user demand and charging environment Free Transform, and usually only can charge in the one-sided of wireless charging device to current-collecting device, charging so will be made to apply and to be restricted and to reduce its convenience.
In addition, existing wireless charging device due to the technology adopted different, coupling frequency and the transmitting terminal circuit design of its coil part are also different, cause product specification incompatible and cannot common elements separately.Due to incompatible factor, wireless charging device cannot use identical coil part and circuit element, makes various portable electronic devices need to use the various customized wireless charging device of collocation, as this reduced advantage and the versatility of wireless charging device.Moreover the existing wireless charging device of part need use the right mode of multi-coil that the wireless charging receiving terminal of current-collecting device just can be made to reach the demand that need not locate.But the design that multi-coil is right to even multilayer multi-coil, not only processing procedure is complicated, cost is higher and the thickness of coil part can increase, and in addition, multilayer multi-coil also can derive the problem of metal interference to design, causes charge efficiency to reduce.
Utility model content
The purpose of this utility model is to provide a kind of flexible radio charging device and film coil element thereof, its structure is flexible and frivolous, and can according to user demand and charging environment Free Transform, the charging of two-sided long distance can be realized, wireless charging application elasticity and convenience can be increased, and the demand making the wireless charging receiving terminal of current-collecting device need not locate charging can be reached.
Another object of the present utility model is to provide a kind of flexible radio charging device and film coil element thereof, it can promote the versatility of wireless charging device, reduce costs, the metal interference problem that multilayer multi-coil can be avoided right and reduction process complexity, and can charge efficiency be promoted.
Another object of the present utility model is to provide a kind of wireless charging system, and it comprises flexible radio charging device and current-collecting device, and it uses aforesaid film coil element and relies on magnetic resonance coupled modes to realize wireless charging, and can reach aforementioned effect.
For reaching above-mentioned purpose, a preferred embodiment of the present utility model, for providing a kind of film coil element, comprising: flexible base, board, and have first surface and second, wherein first surface is relative to second; Starting of oscillation antenna, is arranged at the first surface of flexible base, board; Resonant antenna, be arranged at second of flexible base, board, wherein the two ends of resonant antenna are connected to one or more capacitor, and resonant antenna is coupled with starting of oscillation antenna resonance, to launch or to receive the electromagnetic wave of a particular resonant frequency; First protective layer, covers starting of oscillation antenna; And second protective layer, cover resonant antenna.
According to the utility model one embodiment, this starting of oscillation antenna receives an AC signal, and this resonant antenna is coupled with this starting of oscillation antenna resonance the electromagnetic wave launching this particular resonant frequency.
According to the utility model one embodiment, a first end of this resonant antenna is from this second perforation through this flexible base, board of this flexible base, board and from this first surface outlet of this flexible base, board.
According to the utility model one embodiment, it more comprises a shielding element, is arranged between this starting of oscillation antenna and this first protective layer, or be arranged at this first protective layer one outside, wherein this shielding element comprise a metal grill film, a magnetic conductive film or its combination.
According to the utility model one embodiment, this magnetic conductive film is made up of ferrite, zinc-nickel ferrite, zinc-manganese ferrite or sendust and a binding material, and wherein this metal grill film by copper, gold, silver, aluminium, tungsten, chromium, titanium, indium, tin or its at least the two above metal composite formed form.
According to the utility model one embodiment, the material of this flexible base, board is selected from polyethylene terephthalate, thin glass, PEN, polyethers, poly-sour methyl esters, polyimides or polycarbonate, this starting of oscillation antenna and this resonant antenna are made up of an electric conducting material respectively and are selected from silver, copper, gold, aluminium or Graphene, and this first protective layer and this second protective layer are made up of a protective coating respectively and are selected from epoxy resin, acryl silica gel, polyurethane adhesive, ethylene-acetic ethylene ester copolymer system glue, polyamide-based glue, rubber series glue, polyolefin glue, moisture-curable polyurethane adhesive or silica gel.
According to the utility model one embodiment, this flexible base, board is a tack coat, and the material of this tack coat is selected from photocuring binding material, thermosetting binder material, the settable cementitious material being mixed with a magnetic material, ethylene-acetic ethylene ester copolymer system glue, polyamide-based glue, rubber series glue, polyolefin glue or moisture-curable polyurethane adhesive.
According to the utility model one embodiment, this first surface of this flexible base, board and this second comprise a tack coat respectively, and this starting of oscillation antenna and this resonant antenna rely on respectively this tack coat to be arranged at this first surface of this flexible base, board and this second respectively, wherein the material of this tack coat is selected from photocuring binding material, thermosetting binder material, the settable cementitious material being mixed with a magnetic material, ethylene-acetic ethylene ester copolymer system glue, polyamide-based glue, rubber series glue, polyolefin glue or moisture-curable polyurethane adhesive.
For reaching above-mentioned purpose, another preferred embodiment of the present utility model is for providing a kind of flexible radio charging device, in order to carry out wireless charging to a current-collecting device, this flexible radio charging device comprises at least one cluster film coil part and at least one group of transmitter module.Film coil element comprises: flexible base, board, and have first surface and second, wherein first surface is relative to second; Starting of oscillation antenna, is arranged at the first surface of flexible base, board; Resonant antenna, be arranged at second of flexible base, board, wherein the two ends of resonant antenna are connected to one or more capacitor; First protective layer, covers starting of oscillation antenna; And second protective layer, cover resonant antenna.Transmitter module is electrically connected between film coil element and a power supply, to receive electric energy that this power supply provides and to provide an AC signal to film coil element.Wherein, the starting of oscillation antenna of film coil element receives AC signal, and starting of oscillation antenna and resonant antenna resonance coupling are to launch the electromagnetic wave of a particular resonant frequency, to carry out wireless charging to current-collecting device.
According to the utility model one embodiment; this film coil element more comprises a shielding element; be arranged between this starting of oscillation antenna and this first protective layer, or be arranged at this first protective layer one outside, wherein this shielding element comprise a metal grill film, a magnetic conductive film or its combination.
According to the utility model one embodiment, the material of this flexible base, board is selected from polyethylene terephthalate, thin glass, PEN, polyethers, poly-sour methyl esters, polyimides or polycarbonate, this starting of oscillation antenna and this resonant antenna are made up of an electric conducting material respectively and are selected from silver, copper, gold, aluminium or Graphene, and this first protective layer and this second protective layer are made up of a protective coating respectively and are selected from epoxy resin, acryl silica gel, polyurethane adhesive, ethylene-acetic ethylene ester copolymer system glue, polyamide-based glue, rubber series glue, polyolefin glue, moisture-curable polyurethane adhesive or silica gel.
According to the utility model one embodiment, this flexible base, board is a tack coat, and the material of this tack coat is selected from photocuring binding material, thermosetting binder material, the settable cementitious material being mixed with a magnetic material, ethylene-acetic ethylene ester copolymer system glue, polyamide-based glue, rubber series glue, polyolefin glue or moisture-curable polyurethane adhesive.
According to the utility model one embodiment, this first surface of this flexible base, board and this second comprise a tack coat respectively, and this starting of oscillation antenna and this resonant antenna rely on respectively this tack coat to be arranged at this first surface of this flexible base, board and this second respectively, wherein the material of this tack coat is selected from photocuring binding material, thermosetting binder material, the settable cementitious material being mixed with a magnetic material, ethylene-acetic ethylene ester copolymer system glue, polyamide-based glue, rubber series glue, polyolefin glue or moisture-curable polyurethane adhesive.
According to the utility model one embodiment, this film coil element deformation and curling is a hollow cylindrical configuration or a U-shaped body structure.
According to the utility model one embodiment, its more comprise one first time film coil element and one second time film coil element, be connected to the two edges of this film coil element, wherein this film coil element is curling is a hollow cylindrical configuration, this first time film coil element and this second time film coil element be arranged at bottom a top and of this hollow cylindrical configuration, and this film coil element, this first time film coil element and this second time film coil element form a column structure.
According to the utility model one embodiment, it more comprises a support and a base, and this support is connected to this column structure, and this base is connected to this support.
According to the utility model one embodiment, this transmitter module comprises:
One power-switching circuit, is electrically connected on this power supply and the electric energy provided by this power supply conversion;
One oscillator, is connected to this power-switching circuit and adjustably exports this AC signal of a characteristic frequency;
One power amplifier, is connected to this oscillator and this power-switching circuit, and framework is in this AC signal of amplification; And
One filter circuit, is connected to this power amplifier, and framework is in this AC signal filtering.
For reaching above-mentioned purpose, another preferred embodiment of the present utility model, for providing a kind of wireless charging system, comprises flexible radio charging device and current-collecting device.Flexible radio charging device comprises at least one group and launches film coil element and at least one group of transmitter module.Transmitting film coil element comprises: flexible base, board, and have first surface and second, wherein first surface is relative to second; Starting of oscillation antenna, is arranged at the first surface of flexible base, board; Resonant antenna, be arranged at second of flexible base, board, wherein the two ends of resonant antenna are connected to one or more capacitor; First protective layer, covers starting of oscillation antenna; And second protective layer, cover resonant antenna.Transmitter module is electrically connected on to be launched between film coil element and a power supply, to receive electric energy that this power supply provides and to provide an AC signal to launching film coil element.Wherein, the starting of oscillation antenna launching film coil element receives AC signal, and starting of oscillation antenna and resonant antenna resonance coupling are to launch the electromagnetic wave of a particular resonant frequency.Current-collecting device comprises: one receives film coil element, is coupled with the electromagnetic wave magnetic resonance of the particular resonant frequency of launching film coil element, to receive the energy that flexible wireless charging device transmits; And receiver module, be connected to reception film coil element, to be changed by the energy receiving film coil element reception.
According to the utility model one embodiment, the structure of this reception film coil element of this current-collecting device is identical with the structure of this transmitting film coil element of this flexible radio charging device.
According to the utility model one embodiment, this receiver module comprises:
One filter circuit, is connected to this reception film coil element and carries out filtering to the AC signal that this reception film coil element exports;
One rectification circuit, is connected to this filter circuit, with framework in this AC signal is converted to a DC power supply;
One voltage stabilizing circuit, is connected to this rectification circuit, with framework in this DC power supply is stable at a load voltage value; And
One direct current voltage regulator circuit, is connected to this voltage stabilizing circuit and a load, to carry out Voltage Cortrol to this DC power supply and to export this load to.
The utility model is at least at present relative to the beneficial effect of prior art, the utility model provides a kind of flexible radio charging device and film coil element thereof, its structure is flexible and frivolous, and can according to user demand and charging environment Free Transform, the charging of two-sided long distance can be realized, wireless charging application elasticity and convenience can be increased, and the demand making the wireless charging receiving terminal of current-collecting device need not locate charging can be reached.The flexible radio charging device that the utility model provides and film coil element thereof, it can be used for wider frequency and frequency range scope, can promote the versatility of wireless charging device whereby.In addition, the flexible radio charging device that the utility model provides and film coil element thereof can reduce costs, the metal interference problem that multilayer multi-coil can be avoided right and reduction process complexity, and can promote charge efficiency.
Accompanying drawing explanation
Fig. 1 is the configuration diagram of wireless charging system of the present utility model.
Fig. 2 A is the STRUCTURE DECOMPOSITION figure of the film coil element of the flexible radio charging device shown in Fig. 1.
Fig. 2 B is the STRUCTURE DECOMPOSITION figure of another change case of the film coil element of the flexible radio charging device shown in Fig. 1.
Fig. 2 C is the STRUCTURE DECOMPOSITION figure of another change case of the film coil element of the flexible radio charging device shown in Fig. 1.
Fig. 3 is the circuit block diagram of the transmitter module of the flexible radio charging device shown in Fig. 1.
Fig. 4 is the structural representation of a demonstration example of shielding element shown in Fig. 2 B.
Fig. 5 A is the STRUCTURE DECOMPOSITION figure of the reception film coil element of the current-collecting device shown in Fig. 1.
Fig. 5 B is the STRUCTURE DECOMPOSITION figure of another change case of the reception film coil element of the current-collecting device shown in Fig. 1.
Fig. 5 C is the STRUCTURE DECOMPOSITION figure of another change case of the reception film coil element of the current-collecting device shown in Fig. 1.
Fig. 6 is the circuit block diagram of the receiver module of the current-collecting device shown in Fig. 1.
Fig. 7 is the structural representation of the first application examples showing flexible radio charging device of the present utility model.
Fig. 8 is the structural representation of the second application examples showing flexible radio charging device of the present utility model.
Fig. 9 is the structural representation of the 3rd application examples of display flexible radio charging device of the present utility model.
Figure 10 is the structural representation of a demonstration example of the current-collecting device of display Fig. 1.
Symbol description
1: wireless charging system
2: flexible radio charging device
3: current-collecting device
3a: wireless charging receiver
3b: load
5: power supply
6: wall
20: accommodation space
21: film coil element
21a: film coil element for the first time
21b: second time film coil element
22: transmitter module
211,311: flexible base, board
211a: first surface
211b: the second
211c: perforation
212,312: starting of oscillation antenna
213,313: resonant antenna
213a: first end
213b: the second end
214,314: the first protective layers
215,315: the second protective layers
216,316: capacitor
217,317: shielding element
218: grid cell
218a, 218b: the micro-line of metal
221: power-switching circuit
222: oscillator
223: power amplifier
224: filter circuit
24: support
25: base
31: receive film coil element
32: receiver module
33: connector
321: filter circuit
322: rectification circuit
323: voltage stabilizing circuit
324: DC voltage regulation circuit
D: spacing
Embodiment
Some exemplary embodiments embodying the utility model feature & benefits describe in detail in the explanation of back segment.Be understood that the utility model can have various changes in different aspects, it neither departs from scope of the present utility model, and explanation wherein and graphic in itself when the use explained, but not for limiting the utility model.
Fig. 1 is the configuration diagram of wireless charging system of the present utility model, Fig. 2 A is the STRUCTURE DECOMPOSITION figure of the film coil element of the flexible radio charging device shown in Fig. 1, and Fig. 3 is the circuit block diagram of the transmitter module of the flexible radio charging device shown in Fig. 1.As Fig. 1, shown in 2A and Fig. 3, wireless charging system 1 of the present utility model comprises flexible radio charging device 2 and at least one current-collecting device 3, wherein flexible radio charging device 2 is connected to a power supply 5 (such as but not limited to electric main), and the electromagnetic wave (such as but not limited to the electromagnetic wave of frequency range between 60Hz to 300GHz) of characteristic frequency or wideband can be launched, to utilize magnetic resonance coupled modes to one or more current-collecting device 3 (such as but not limited to mobile phone, panel computer, electric equipment products) realize wireless charging, the function that two-sided long distance is charged can be provided whereby.Flexible radio charging device 2 of the present utility model comprises at least one cluster film coil part 21 (or claiming to launch film coil element) and at least one group of transmitter module 22, wherein film coil element 21 is electrically connected at transmitter module 22, take framework as the transmitting terminal of flexible radio charging device 2, transmitter module 22 is electrically connected between power supply 5 and film coil element 21, to receive electric energy that power supply 5 provides and to produce an AC signal to film coil element 21.
As shown in Fig. 1 and 2A; film coil element 21 comprises flexible base, board 211, starting of oscillation antenna 212, resonant antenna 213, first protective layer 214 and the second protective layer 215; wherein; starting of oscillation antenna 212 and resonant antenna 213 are two opposite faces being arranged at flexible base, board 211, that is starting of oscillation antenna 212 is arranged at first surface 211a and second 211b of flexible base, board 211 respectively with resonant antenna 213.The two ends (i.e. first end 213a and the second end 213b) of resonant antenna 213 are connected one or more capacitor 216.In an embodiment, the first end 213a of resonant antenna 213 passes the perforation 211c of flexible base, board 211 from second 211b of flexible base, board 213 and goes between from the first surface 211a of flexible base, board 213 and go out.First protective layer 214 and the second protective layer 215 cover starting of oscillation antenna 212 and resonant antenna 213 respectively, that is the first protective layer 214 and the second protective layer 215 are the outsides laying respectively at starting of oscillation antenna 212 and resonant antenna 213.When flexible radio charging device 2 passes to an AC signal when the starting of oscillation antenna 212 of film coil element 21 via its transmitter module 22, the electromagnetic wave that starting of oscillation antenna 212 sends and resonant antenna 213 resonance coupling reach peak response, produce magnetic resonance by means of the electromagnetic wave of the particular resonant frequency emitted with the reception film coil element 31 of the wireless charging receiver 3a of current-collecting device 3 to be coupled, to receive the energy that flexible wireless charging device 2 transmits, and export load 3b to through receiver module 32 conversion electric power, to realize carrying out wireless charging to current-collecting device 3.
In some embodiments, first surface 211a and second 211b of flexible base, board 211 comprises a tack coat (not shown) respectively, and starting of oscillation antenna 212 and resonant antenna 213 are respectively electric conducting material and rely on its tack coat to be arranged at first surface 211a and second 211b of flexible base, board 211.Tack coat can be one have photocuring (lightcuring), hot curing (thermalcuring) or other there is the binding material of curing characteristics, wherein other binding materials with curing characteristics can be but are not limited to ethylene-acetic ethylene ester copolymer system glue, polyamide-based glue, rubber series glue, polyolefin glue or moisture-curable polyurethane adhesive etc.In some embodiments, tack coat, except comprising above-mentioned settable cementitious material, more can be mixed with magnetic material, and wherein magnetic material can be the ferromagnetic powder such as but not limited to being blended in settable cementitious material.In other embodiments, flexible base, board 211 can be aforesaid tack coat and replaced.
In some embodiments; as shown in Figure 2 B; film coil element 21 more comprises a shielding element 217; be arranged between starting of oscillation antenna 212 and the first protective layer 214; disperse to the direction (that is outside of the first protective layer 214) away from resonant antenna 213, to promote electromagnetic wave gain at least part of electromagnetic wave of stop with framework.Convertiblely, as shown in Figure 2 C, the shielding element 217 of film coil element 21 also can be arranged at the outside of the first protective layer 214, with framework in stopping that at least part of electromagnetic wave is to the directional divergence away from resonant antenna 213, to promote electromagnetic wave gain.In some embodiments, as shown in Figure 4, shielding element 217 is metal grill (Metalmesh) films, is applicable to and stops that the electromagnetic wave outside of upper frequency is dispersed, such as, stop that the electromagnetic wave outside of more than tool first characteristic frequency (such as more than 6MHz) is dispersed.This metal grill film is made up of metal or metallic composite, and wherein this metal or metallic composite are selected from copper, gold, silver, aluminium, tungsten, chromium, titanium, indium, tin or its at least the two above metal composite formed, but not as limit.Metal grill film has lattice, this lattice comprises multiple grid cell 218, wherein two of each grid cell 218 is adjacent but metal that is that do not connect micro-line 218a, 218b have a spacing d, this spacing d be less than film coil element 21 send electromagnetic wavelength.In other embodiments, shielding element 217 is magnetic conductive films, this magnetic conductive film can be made up of ferrite (ferrite), zinc-nickel ferrite (NiZn), zinc-manganese ferrite (MgZn) or sendust and aforesaid binding material, be applicable to and stop that the electromagnetic wave outside of lower frequency is dispersed and promotes electromagnetic wave gain, such as, stop that the electromagnetic wave outside of between the first characteristic frequency and the second characteristic frequency (such as between 60Hz to 20MHz) is dispersed.In other embodiments, shielding element 217 is a kind of laminated films in conjunction with metal grill film and magnetic conductive film, can stop that the electromagnetic wave outside of all frequency ranges is dispersed and promotes electromagnetic wave gain.In some embodiments, starting of oscillation antenna 212 and resonant antenna 213 can be but be not limited to single loop or multiple loop antenna, and the shape of its loop comprises and is not limited to circle, ellipse or rectangle.
In some embodiments, the material of flexible base, board 211 is optional from polyethylene terephthalate (Polyethyleneterephthalate, PET), thin glass, PEN (Polyethylennaphthalat, PEN), polyethers (Polyethersulfone, PES), poly-sour methyl esters (Polymethylmethacrylat, PMMA), polyimides (Polyimide, or polycarbonate (Polycarbonate PI), PC), and not as limit.Starting of oscillation antenna 212 and the electric conducting material of resonant antenna 213 can be selected from silver (Ag), copper (Cu), gold (Au), aluminium (Al) or Graphene, and not as limit.In some embodiments; first protective layer 214 and the second protective layer 215 can be made up of protective coating; it can be selected from epoxy resin, acryl silica gel, polyurethane adhesive, ethylene-acetic ethylene ester copolymer system glue, polyamide-based glue, rubber series glue, polyolefin glue, moisture-curable polyurethane adhesive or silica gel etc., and not as limit.
Referring again to Fig. 1,2A and 3, in some embodiments, flexible radio charging device 2 comprises one or more groups transmitter module 22, and wherein each group transmitter module 22 comprises power-switching circuit 221, oscillator 222, power amplifier 223 and filter circuit 224.Power-switching circuit 221 is electrically connected on power supply 5 and is connected to oscillator 222 and power amplifier 223, and power-switching circuit 221 is changed by the electric energy that power supply 5 provides and power to give oscillator 222 and power amplifier 223.In some embodiments, power-switching circuit 222 comprises DC-to-DC converter, AC-AC converter and/or DC-AC converter.Oscillator 222 is the AC signal adjustably exporting a characteristic frequency, power amplifier 223 is that framework is in the AC signal of amplifying this characteristic frequency, and filter circuit 224 is frameworks in the harmonic wave of this AC signal of filtering and the frequency-portions do not needed, whereby to export the starting of oscillation antenna 212 of film coil element 21 to.
In the present embodiment, current-collecting device 3 comprises an a wireless charging receiver 3a and load 3b, and wherein this wireless charging receiver 3a and load 3b can be separable two devices in structure and maybe can be integrated into single device.For example, the wireless charging receiver 3a of current-collecting device 3 can be a wireless charging and receives pad, and load 3b can be and do not have a mobile phone of wireless charging function, rely on and wireless charging is received pad be electrically connected with this mobile phone, can make not have the mobile phone of wireless charging function to realize wireless charging.In another embodiment, wireless charging receiver 3a also can integrate the enclosure interior being installed on load 3b (such as mobile phone).
Fig. 5 A is the STRUCTURE DECOMPOSITION figure of the film coil element of the current-collecting device shown in Fig. 1.As shown in Fig. 1 and 5A, in some embodiments, the wireless charging receiver 3a of current-collecting device 3 comprises reception film coil element 31 and receiver module 32.Receive film coil element 31 and comprise flexible base, board 311, starting of oscillation antenna 312, resonant antenna 313, first protective layer 314 and the second protective layer 315, wherein the two ends of resonant antenna 313 connect one or more capacitor 316.Receive the structure of the flexible base, board 311 of film coil element 31, starting of oscillation antenna 312, resonant antenna 313, first protective layer 314 and the second protective layer 315, material and function identical with function with the structure of the flexible base, board 211 of the film coil element 21 shown in Fig. 2 A, starting of oscillation antenna 212, resonant antenna 213, first protective layer 214 and the second protective layer 215, material respectively, repeat no more in this.In some embodiments, as shown in Fig. 5 B and 5C, receive film coil element 31 and more comprise a shielding element 317, wherein the structure of the shielding element 217 of the structure of shielding element 317, the film coil element 21 shown in material with function and 2B and 2C figure, material are identical with function, repeat no more in this.
In this embodiment, receiving film coil element 31 is that framework is coupled in producing magnetic resonance with film coil element 21, the electromagnetic wave of the particular resonant frequency of launching with the film coil element 21 receiving flexible radio charging device 2 whereby.In other words, when the particular resonant frequency F of film coil element 21 is identical with the resonance frequency receiving film coil element 31, and wireless charging receiver 3a is when being positioned at a chargeable distance D of flexible radio charging device 2, energy can be sent to the reception film coil element 31 of wireless charging receiver 3a by the film coil element 21 of flexible radio charging device 2.For example, when this particular resonant frequency F is 900MHz, chargeable distance D can reach about 15 meters (m).When this particular resonant frequency F is 6MHz, chargeable distance D can reach about 3 meters to 5 meters.When this particular resonant frequency F is 100kHz, chargeable distance D can reach about 1 centimeter (cm).It should be noted, aforementioned resonant frequency F and chargeable distance D thereof is only for illustrating, and the utility model technology is not limited to aforementioned value and scope.
Fig. 6 is the circuit block diagram of the receiver module of the current-collecting device shown in Fig. 1.In some embodiments, as shown in Fig. 1 and 6, wireless charging receiver 3a comprises one or more groups receiver module 32, and wherein each group receiver module 32 comprises filter circuit 321, rectification circuit 322, voltage stabilizing circuit 323 and DC voltage regulation circuit 324.Filter circuit 321 is the harmonic filtrations being electrically connected on the starting of oscillation antenna 312 receiving film coil element 31 and the AC signal exported by the starting of oscillation antenna 312 receiving film coil element 31.Rectification circuit 322 is electrically connected on filter circuit 321 and voltage stabilizing circuit 323, with framework in AC signal is converted to a DC power supply.Voltage stabilizing circuit 323 is electrically connected at rectification circuit 322 and DC voltage regulation circuit 324, with framework in this DC power supply is stable at a load voltage value.DC voltage regulation circuit 324 is electrically connected on voltage stabilizing circuit 323 and load 3b,, to the voltage needed for load 3b such as, charges to the battery of mobile phone to power to load 3b this DC power supply to be carried out voltage-regulation (such as boosting).
Fig. 7 is the structural representation of the first application examples showing flexible radio charging device of the present utility model.As shown in Figure 7, in some embodiments, flexible radio charging device 2 of the present utility model deformability is curling is a hollow cylindrical configuration, and this hollow cylindrical configuration has an accommodation space 20.In other words, the film coil element 21 of flexible radio charging device 2 of the present utility model can be a hollow cylindrical configuration according to user demand deformation and curling, and can two-sided charging be carried out due to film coil element 21, therefore no matter current-collecting device 3 is positioned in accommodation space 20 or wireless charging all can be carried out in the position that is positioned over contiguous wireless charging device 2.
Fig. 8 is the structural representation of the second application examples showing flexible radio charging device of the present utility model.As shown in Figure 8, in other embodiments, flexible radio charging device of the present utility model deformability is curling is a U-shaped body structure, and this U-shaped body structure can be attached at a wall 6.In other words, the film coil element 21 of flexible radio charging device 2 of the present utility model can be a U-shaped body structure according to user demand deformation and curling, and can two-sided charging be carried out due to film coil element 21, therefore no matter current-collecting device 3 is positioned in U-shaped body structure or wireless charging all can be carried out in the position that is positioned over contiguous wireless charging device 2.
Fig. 9 is the structural representation of the 3rd application examples of display flexible radio charging device of the present utility model.As shown in Figure 9, in some embodiments, flexible radio charging device 2 more comprises first time film coil element 21a and second time film coil element 21b, be connected to the two edges of film coil element 21, wherein the configuration and principle of first time film coil element 21a and second time film coil element 21b and film coil element 21 same or similar, repeat no more in this.Film coil element 21 be deformability curling be a hollow cylindrical configuration, and first time film coil element 21a and second time film coil element 21b is point top and bottom being connected in this hollow cylindrical configuration, to cover the opening of top and bottom respectively, a column structure can be formed by framework whereby.Flexible radio charging device 2 more comprises support 24 and base 25, and its medium-height trestle 24 is connected between column structure and base 25, with support cylinder structure.Base 25 is connected to support 24, can be positioned over a plane with framework in making flexible radio charging device 2.In the present embodiment, flexible radio charging device 2 makes electromagnetic wave be the radial radiation of 3D, and the many current-collecting devices 3 such as but not limited to more than 1 meter scope can be provided whereby to carry out wireless charging simultaneously.
Figure 10 is the structural representation of a demonstration example of the current-collecting device of display Fig. 1.As shown in Fig. 1 and 10, current-collecting device 3 comprises wireless charging receiver 3a and load 3b, and wherein the wireless charging receiver 3a of current-collecting device 3 can be wireless charging and receives pad, and load 3b can be and do not have a mobile phone of wireless charging function.When the connector 33 of wireless charging receiver 3a (namely wireless charging receives pad) is electrically connected with the corresponding connector of load 3b (i.e. mobile phone), by means of reception film coil element 31 and the receiver module 32 of wireless charging receiver 3a, the energy that the film coil element 21 that can receive flexible radio charging device 2 transmits, makes not have the mobile phone of wireless charging function to realize wireless charging.
In sum, the utility model provides a kind of flexible radio charging device and film coil element thereof, its structure is flexible and frivolous, and can according to user demand and charging environment Free Transform, the charging of two-sided long distance can be realized, wireless charging application elasticity and convenience can be increased, and the demand making the wireless charging receiving terminal of current-collecting device need not locate charging can be reached.The flexible radio charging device that the utility model provides and film coil element thereof, it can be used for wider frequency and frequency range scope, can promote the versatility of wireless charging device whereby.In addition, the flexible radio charging device that the utility model provides and film coil element thereof can reduce costs, the metal interference problem that multilayer multi-coil can be avoided right and reduction process complexity, and can promote charge efficiency.
The utility model must be thought by the personage Ren Shi craftsman haveing the knack of this technology and modify as all, so neither de-if attached claim institute is for Protector.
Claims (20)
1. a film coil element, is characterized in that, comprising:
One flexible base, board, have a first surface and one second, wherein this first surface is relative to this second;
One starting of oscillation antenna, is arranged at this first surface of this flexible base, board;
One resonant antenna, be arranged at this second of this flexible base, board, wherein the two ends of this resonant antenna are connected to one or more capacitor, and this resonant antenna is coupled with this starting of oscillation antenna resonance, to launch or to receive the electromagnetic wave of a particular resonant frequency;
One first protective layer, covers this starting of oscillation antenna; And
One second protective layer, covers this resonant antenna.
2. film coil element as claimed in claim 1, it is characterized in that, this starting of oscillation antenna receives an AC signal, and this resonant antenna is coupled with this starting of oscillation antenna resonance the electromagnetic wave launching this particular resonant frequency.
3. film coil element as claimed in claim 1, is characterized in that, a first end of this resonant antenna is from this second perforation through this flexible base, board of this flexible base, board and from this first surface outlet of this flexible base, board.
4. film coil element as claimed in claim 1; it is characterized in that, it more comprises a shielding element, is arranged between this starting of oscillation antenna and this first protective layer; or be arranged at this first protective layer one outside, wherein this shielding element comprise a metal grill film, a magnetic conductive film or its combination.
5. film coil element as claimed in claim 4, is characterized in that, this magnetic conductive film is made up of ferrite or sendust and a binding material, and wherein this metal grill film is made up of copper, gold, silver, aluminium, tungsten, chromium, titanium, indium or tin.
6. film coil element as claimed in claim 1, it is characterized in that, the material of this flexible base, board is selected from polyethylene terephthalate, thin glass, PEN, polyethers, poly-sour methyl esters, polyimides or polycarbonate, this starting of oscillation antenna and this resonant antenna are made up of an electric conducting material respectively and are selected from silver, copper, gold, aluminium or Graphene, and this first protective layer and this second protective layer are made up of a protective coating respectively and are selected from epoxy resin, polyurethane adhesive, ethylene-acetic ethylene ester copolymer system glue, polyamide-based glue, rubber series glue, polyolefin glue or silica gel.
7. film coil element as claimed in claim 1, it is characterized in that, this flexible base, board is a tack coat, and the material of this tack coat is selected from photocuring binding material, thermosetting binder material, ethylene-acetic ethylene ester copolymer system glue, polyamide-based glue, rubber series glue, polyolefin glue or moisture-curable polyurethane adhesive.
8. film coil element as claimed in claim 1, it is characterized in that, this first surface of this flexible base, board and this second comprise a tack coat respectively, and this starting of oscillation antenna and this resonant antenna rely on respectively this tack coat to be arranged at this first surface of this flexible base, board and this second respectively, wherein the material of this tack coat is selected from photocuring binding material, thermosetting binder material, ethylene-acetic ethylene ester copolymer system glue, polyamide-based glue, rubber series glue, polyolefin glue or moisture-curable polyurethane adhesive.
9. a flexible radio charging device, is characterized in that, in order to carry out wireless charging to a current-collecting device, this flexible radio charging device comprises:
At least one cluster film coil part, this film coil element comprises:
One flexible base, board, have a first surface and one second, wherein this first surface is relative to this second;
One starting of oscillation antenna, is arranged at this first surface of this flexible base, board;
One resonant antenna, be arranged at this second of this flexible base, board, wherein the two ends of this resonant antenna are connected to one or more capacitor;
One first protective layer, covers this starting of oscillation antenna; And
One second protective layer, covers this resonant antenna; And
At least one group of transmitter module, this transmitter module is electrically connected between this film coil element and a power supply, to receive electric energy that this power supply provides and to provide an AC signal to this film coil element;
Wherein, this starting of oscillation antenna of this film coil element receives this AC signal, and this starting of oscillation antenna and this resonant antenna resonance coupling are to launch the electromagnetic wave of a particular resonant frequency, to carry out wireless charging to this current-collecting device.
10. flexible radio charging device as claimed in claim 9; it is characterized in that; this film coil element more comprises a shielding element; be arranged between this starting of oscillation antenna and this first protective layer; or be arranged at this first protective layer one outside, wherein this shielding element comprise a metal grill film, a magnetic conductive film or its combination.
11. flexible radio charging devices as claimed in claim 9, it is characterized in that, the material of this flexible base, board is selected from polyethylene terephthalate, thin glass, PEN, polyethers, poly-sour methyl esters, polyimides or polycarbonate, this starting of oscillation antenna and this resonant antenna are made up of an electric conducting material respectively and are selected from silver, copper, gold, aluminium or Graphene, and this first protective layer and this second protective layer are made up of a protective coating respectively and are selected from epoxy resin, acryl silica gel, polyurethane adhesive, ethylene-acetic ethylene ester copolymer system glue, polyamide-based glue, rubber series glue, polyolefin glue, moisture-curable polyurethane adhesive or silica gel.
12. flexible radio charging devices as claimed in claim 9, it is characterized in that, this flexible base, board is a tack coat, and the material of this tack coat is selected from photocuring binding material, thermosetting binder material, ethylene-acetic ethylene ester copolymer system glue, polyamide-based glue, rubber series glue, polyolefin glue or moisture-curable polyurethane adhesive.
13. flexible radio charging devices as claimed in claim 9, it is characterized in that, this first surface of this flexible base, board and this second comprise a tack coat respectively, and this starting of oscillation antenna and this resonant antenna rely on respectively this tack coat to be arranged at this first surface of this flexible base, board and this second respectively, wherein the material of this tack coat is selected from photocuring binding material, thermosetting binder material, ethylene-acetic ethylene ester copolymer system glue, polyamide-based glue, rubber series glue, polyolefin glue or moisture-curable polyurethane adhesive.
14. flexible radio charging devices as claimed in claim 9, is characterized in that, this film coil element deformation and curling is a hollow cylindrical configuration or a U-shaped body structure.
15. flexible radio charging devices as claimed in claim 9, it is characterized in that, its more comprise one first time film coil element and one second time film coil element, be connected to the two edges of this film coil element, wherein this film coil element is curling is a hollow cylindrical configuration, this first time film coil element and this second time film coil element be arranged at bottom a top and of this hollow cylindrical configuration, and this film coil element, this first time film coil element and this second time film coil element form a column structure.
16. flexible radio charging devices as claimed in claim 15, it is characterized in that, it more comprises a support and a base, and this support is connected to this column structure, and this base is connected to this support.
17. flexible radio charging devices as claimed in claim 9, it is characterized in that, this transmitter module comprises:
One power-switching circuit, is electrically connected on this power supply and the electric energy provided by this power supply conversion;
One oscillator, is connected to this power-switching circuit and adjustably exports this AC signal of a characteristic frequency;
One power amplifier, is connected to this oscillator and this power-switching circuit, and framework is in this AC signal of amplification; And
One filter circuit, is connected to this power amplifier, and framework is in this AC signal filtering.
18. 1 kinds of wireless charging systems, is characterized in that, comprising:
One flexible wireless charging device, comprising:
Launch film coil element at least one group, this transmitting film coil element comprises:
One flexible base, board, have a first surface and one second, wherein this first surface is relative to this second;
One starting of oscillation antenna, is arranged at this first surface of this flexible base, board;
One resonant antenna, be arranged at this second of this flexible base, board, wherein the two ends of this resonant antenna are connected to one or more capacitor;
One first protective layer, covers this starting of oscillation antenna; And
One second protective layer, covers this resonant antenna; And
At least one group of transmitter module, this transmitter module is electrically connected between this transmitting film coil element and a power supply, to receive electric energy that this power supply provides and to provide an AC signal to this transmitting film coil element;
Wherein, this starting of oscillation antenna of this transmitting film coil element receives this AC signal, and this starting of oscillation antenna and this resonant antenna resonance coupling are to launch the electromagnetic wave of a particular resonant frequency; And
One current-collecting device, comprising:
One receives film coil element, is coupled, to receive the energy that this flexible wireless charging device transmits with the electromagnetic wave magnetic resonance of this particular resonant frequency of this transmitting film coil element; And
One receiver module, is connected to this reception film coil element, changes with the energy received by this reception film coil element.
19. wireless charging systems as claimed in claim 18, it is characterized in that, the structure of this reception film coil element of this current-collecting device is identical with the structure of this transmitting film coil element of this flexible radio charging device.
20. wireless charging systems as claimed in claim 18, it is characterized in that, this receiver module comprises:
One filter circuit, is connected to this reception film coil element and carries out filtering to the AC signal that this reception film coil element exports;
One rectification circuit, is connected to this filter circuit, with framework in this AC signal is converted to a DC power supply;
One voltage stabilizing circuit, is connected to this rectification circuit, with framework in this DC power supply is stable at a load voltage value; And
One direct current voltage regulator circuit, is connected to this voltage stabilizing circuit and a load, to carry out Voltage Cortrol to this DC power supply and to export this load to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275685.0U CN204835717U (en) | 2015-04-30 | 2015-04-30 | Film coil component and flexible formula wireless charging device and system that are suitable for thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520275685.0U CN204835717U (en) | 2015-04-30 | 2015-04-30 | Film coil component and flexible formula wireless charging device and system that are suitable for thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204835717U true CN204835717U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520275685.0U Expired - Fee Related CN204835717U (en) | 2015-04-30 | 2015-04-30 | Film coil component and flexible formula wireless charging device and system that are suitable for thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204835717U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208397A (en) * | 2015-04-30 | 2016-12-07 | 介面光电股份有限公司 | Film coil element and applicable flexible radio charging device thereof and system |
| CN106464032A (en) * | 2016-09-20 | 2017-02-22 | 香港应用科技研究院有限公司 | A charging device having a small loop transmission coil and used for wirelessly charging a target device |
| WO2018053848A1 (en) * | 2016-09-20 | 2018-03-29 | Hong Kong Applied Science and Technology Research Institute Company Limited | A charging device having small loop transmission coils for wireless charging a target device |
| CN107919734A (en) * | 2016-10-11 | 2018-04-17 | Tdk株式会社 | Rotary-type magnetic coupling device |
-
2015
- 2015-04-30 CN CN201520275685.0U patent/CN204835717U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208397A (en) * | 2015-04-30 | 2016-12-07 | 介面光电股份有限公司 | Film coil element and applicable flexible radio charging device thereof and system |
| CN106464032A (en) * | 2016-09-20 | 2017-02-22 | 香港应用科技研究院有限公司 | A charging device having a small loop transmission coil and used for wirelessly charging a target device |
| WO2018053848A1 (en) * | 2016-09-20 | 2018-03-29 | Hong Kong Applied Science and Technology Research Institute Company Limited | A charging device having small loop transmission coils for wireless charging a target device |
| US10097031B2 (en) | 2016-09-20 | 2018-10-09 | Hong Kong Applied Science And Technology Research Insittute Company Limited | Charging device having small loop transmission coils for wireless charging a target device |
| CN106464032B (en) * | 2016-09-20 | 2019-03-01 | 香港应用科技研究院有限公司 | A kind of pair of target device carries out the charging unit with small ring transmission coil of wireless charging |
| CN107919734A (en) * | 2016-10-11 | 2018-04-17 | Tdk株式会社 | Rotary-type magnetic coupling device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20180430 |