CN208861803U - Wireless charging coil, wireless charging component and electronic equipment - Google Patents

Wireless charging coil, wireless charging component and electronic equipment Download PDF

Info

Publication number
CN208861803U
CN208861803U CN201820904997.7U CN201820904997U CN208861803U CN 208861803 U CN208861803 U CN 208861803U CN 201820904997 U CN201820904997 U CN 201820904997U CN 208861803 U CN208861803 U CN 208861803U
Authority
CN
China
Prior art keywords
wireless charging
tie point
charging coil
cabling
coil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201820904997.7U
Other languages
Chinese (zh)
Inventor
万世铭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to CN201820904997.7U priority Critical patent/CN208861803U/en
Priority to PCT/CN2019/085500 priority patent/WO2019237848A1/en
Priority to EP19820525.4A priority patent/EP3786988A4/en
Application granted granted Critical
Publication of CN208861803U publication Critical patent/CN208861803U/en
Priority to US17/098,836 priority patent/US20210066963A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The embodiment of the present application provides a kind of Wireless charging coil, wireless charging component and electronic equipment, Wireless charging coil includes the first connecting pin and second connection end, wherein, the centre of the Wireless charging coil is arranged in first connecting pin, the edge of the Wireless charging coil is arranged in the second connection end, and first connecting pin is used for the tie point being directly connected on circuit board.The thickness of Wireless charging coil is can reduce.

Description

Wireless charging coil, wireless charging component and electronic equipment
Technical field
This application involves technical field of electronic equipment, in particular to a kind of Wireless charging coil, wireless charging component and electricity Sub- equipment.
Background technique
With popularizing for wireless charging, more and more electronic equipments all support the functions such as wireless charging.Such as intelligent hand Machine and wireless charging pedestal.Smart phone and wireless charging pedestal carry out non-contact wireless charging by Wireless charging coil.
However, existing Wireless charging coil includes the first tap and the second tap, for connecting wireless charging circuit, In, in Wireless charging coil external margin, the second tap is drawn out to and first the first tap setting inside Wireless charging coil Tap is arranged side by side, and the first tap and the second tap facilitate the electrical connection of Wireless charging coil and mainboard together.But because the Two taps are pulled out inside Wireless charging coil, and the second tap is from Wireless charging coil internal stretch to Wireless charging coil side The section of edge just has the thickness of two layers of cabling, increases the thickness of Wireless charging coil.
Utility model content
The embodiment of the present application provides a kind of Wireless charging coil, wireless charging component and electronic equipment, can reduce wireless The thickness of charge coil.
The embodiment of the present application provides a kind of Wireless charging coil comprising the first connecting pin and second connection end, wherein institute The centre that the Wireless charging coil is arranged in the first connecting pin is stated, the second connection end is arranged in the Wireless charging coil Edge, first connecting pin is used for the tie point that is directly connected on circuit board.
The embodiment of the present application provides a kind of wireless charging component comprising:
Wireless charging coil, the Wireless charging coil include the first connecting pin and second connection end, wherein described first The centre of the Wireless charging coil is arranged in connecting pin, and the side of the Wireless charging coil is arranged in the second connection end Edge;
Circuit board, the circuit board include the first tie point and the second tie point that the circuit board surface is arranged in, institute It states the first tie point to be directly electrically connected with first connecting pin, second tie point electrically connects with the second connection end It connects, first tie point and second tie point are for being electrically connected wireless charging circuit.
The embodiment of the present application also provides a kind of electronic equipment comprising shell and wireless charging component, the wireless charging Component is arranged in the shell, and the wireless charging component includes Wireless charging coil and circuit board;
The Wireless charging coil includes the first connecting pin and second connection end, wherein the first connecting pin setting exists The edge of the Wireless charging coil is arranged in the centre of the Wireless charging coil, the second connection end;
The circuit board includes the first tie point and the second tie point that the circuit board surface is arranged in, and described first connects Contact is directly electrically connected with first connecting pin, and second tie point and the second connection end are electrically connected, described First tie point and second tie point are for being electrically connected wireless charging circuit.
Wireless charging coil provided by the embodiments of the present application comprising the first connecting pin and second connection end, wherein described The centre of the Wireless charging coil is arranged in first connecting pin, and the Wireless charging coil is arranged in the second connection end Edge, first connecting pin are used for the tie point being directly connected on circuit board.First connecting pin of Wireless charging coil is in nothing It is just directly electrically connected with the tie point of circuit board in line charge electric coil, does not need to be pulled out to out of Wireless charging coil again wireless Outside charge coil, the outlet of the first connecting pin does not have two layers of Wireless charging coil cabling without pass through Wireless charging coil Thickness, reduce the thickness of Wireless charging coil.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment Attached drawing is briefly described.It should be evident that the drawings in the following description are only some examples of the present application, for For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.
Fig. 1 is the structural schematic diagram of Wireless charging coil provided by the embodiments of the present application.
Fig. 2 is the first structural schematic diagram of wireless charging component provided by the embodiments of the present application.
Fig. 3 is second of structural schematic diagram of wireless charging component provided by the embodiments of the present application.
Fig. 4 is the third structural schematic diagram of wireless charging component provided by the embodiments of the present application.
Fig. 5 is the sectional view in the direction A-A ' in Fig. 4.
Fig. 6 is the 4th kind of structural schematic diagram of wireless charging component provided by the embodiments of the present application.
Fig. 7 is the 5th kind of structural schematic diagram of wireless charging component provided by the embodiments of the present application.
Fig. 8 is the overall schematic of wireless charging provided by the embodiments of the present application.
Fig. 9 is the schematic diagram of wireless charging device provided by the embodiments of the present application.
Figure 10 is the schematic diagram of wireless charging system provided by the embodiments of the present application.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete Site preparation description.Obviously, described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on Embodiment in the application, those skilled in the art's every other implementation obtained without creative efforts Example, shall fall in the protection scope of this application.
In the description of the present application, it is to be understood that term " first ", " second " are used for description purposes only, and cannot It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the One ", the feature of " second " can explicitly or implicitly include one or more feature.It is " more in the description of the present application It is a " it is meant that two or more, unless otherwise specifically defined.
In this application unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower" It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it Between other characterisation contact.Following disclosure provides many different embodiments or example is used to realize the application Different structure.In order to simplify disclosure herein, hereinafter the component of specific examples and setting are described.Certainly, it Be only example, and purpose does not lie in limitation the application.In addition, the application can in different examples repeat reference numerals And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments And/or the relationship between setting.In addition, this application provides various specific techniques and material example, but this field Those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
The embodiment of the present application provides a kind of Wireless charging coil, wireless charging component and electronic equipment.Below will respectively into Row is described in detail.
Wireless charging technology, which does not need cable, can be completed the transmission of power, therefore, wireless charging technology increasingly by The favor of people.Adapter is generally connected by wireless charging technology with wireless charging device (such as wireless charging pedestal), and passes through The output power of adapter wirelessly (such as electromagnetic wave) is transmitted to charging equipment by the wireless charging device, is treated and is filled Electric equipment carries out wireless charging.
It is different according to wireless charging principle, wireless charging mode be broadly divided into magnetic coupling (or electromagnetic induction), magnetic resonance with And three kinds of modes of radio wave.
Currently, the wireless charging standard of mainstream includes QI standard, power supply material object alliance (power matters Alliance, PMA) standard, wireless power source alliance (alliance for wireless power, A4WP).QI standard and PMA Standard is all made of magnetic coupling mode and carries out wireless charging.A4WP standard carries out wireless charging using magnetic resonance mode.
With reference to the accompanying drawing, Wireless charging coil, wireless charging component and electricity provided by the embodiments of the present application is described in detail Sub- equipment.
Referring to Fig. 1, Fig. 1 is the schematic diagram of Wireless charging coil provided by the embodiments of the present application.The Wireless charging coil 52 include the first connecting pin 522 and second connection end 523, wherein first connecting pin 522 is arranged in the wireless charging electric wire The edge of the Wireless charging coil 52 is arranged in the centre of circle 52, the second connection end 523, and first connecting pin 52 is used In the tie point being directly connected on circuit board.
Wherein, Wireless charging coil 52 may include that can be formed by one section of plain conductor coiling.Specifically, the metal is led Line includes the first connecting pin 522 and second connection end 523, and the first connecting pin 522 remains stationary, and plain conductor is around first company 522 winding multi-turns of end are connect, and the radius of multi-turn plain conductor is gradually increased, so that multi-turn plain conductor does not have in a thickness direction There is overlapping, two adjacent rings plain conductor can be disposed adjacent, outermost of the second connection end 523 in multi-turn plain conductor.Multi-turn Plain conductor includes at least two circles.Two adjacent rings plain conductor non-conterminous can also be arranged.Plain conductor is externally provided with insulating layer, gold Belonging to conducting wire can be enameled wire etc..Plain conductor can use the preferable metal or alloy of conducting wire performance, such as copper, copper alloy, Gold etc..The length of this section of plain conductor is arranged according to the demand of Wireless charging coil, and plain conductor diameter is generally 1mm-2mm. Wherein the first connecting pin 522 and second connection end 523 directly can be directly electrically connected with external conductor, such as be welded by scolding tin It connects, be caught in conductive hole, the hole wall of conductive hole is metal.
First connecting pin 522 just with is directly directly electrically connected with the tie point of circuit board in Wireless charging coil 52, It does not need to be pulled out to out of Wireless charging coil 52 outside Wireless charging coil 52 again, the outlet of the first connecting pin 522 does not need to wear Wireless charging coil 52 is crossed, no longer as in the prior art, the first connecting pin 522 is from 52 internal stretch of Wireless charging coil to wireless Outside charge coil 52, the thickness of two layers of coil cabling is not had, reduces the thickness of Wireless charging coil 52.For example, intelligence Mobile phone becomes thin now, and the Wireless charging coil in existing scheme has two layers of cabling, and thickness is thicker, is unfavorable for smart phone It is lightening, and Wireless charging coil 52 meets intelligent hand with a thickness of single layer cabling in the wireless charging electric wire coil assembly of the present embodiment The requirement of machine thickness.Wherein, the tie point of circuit board can be by printing cabling connection wireless charging circuit on circuit boards.
In some embodiments, Wireless charging coil 52 include at least two circle metal wires, at least two circle metal wires in it is adjacent Two circle metal wires between be equipped with gap, equipped with non-conducting material in the gap.
The coiling of metal wire elder generation first can be formed into multi-turn metal wire, and the radius of multi-turn metal wire becomes larger, wherein phase There is gap between two adjacent circle metal wires, then fill the materials such as non-conducting material such as plastics, plastic cement in adjacent gap again, Eventually form Wireless charging coil.Wherein the both ends of Wireless charging coil reserve conductive port respectively.In Wireless charging coil Between be the first connecting pin, at the edge of Wireless charging coil.
In some embodiments, the upper surface of Wireless charging coil 52 can be a plane, in some other embodiment In, the lower surface of Wireless charging coil 52 may be a plane.The section of metal wire in Wireless charging coil 52 can be with For circle, naturally it is also possible to be other shapes, such as oval, rectangular.
In some embodiments, Wireless charging coil 52 includes at least two circle metal wires, is appointed in at least two circles metal wire The upper surface of one circle metal wire of meaning is in same plane.It is also understood that any two circles metal wire in Wireless charging coil is all Substantially parallel, all metal wires are arranged in same layer.
In some embodiments, the Wireless charging coil 52 include at least two circle conducting wires, the conducting wire include metal wire, And the protective layer of the package metal wire, the protective layer use non-conducting material, it is any one in at least two circles conducting wire The upper surface of conducting wire is enclosed in same plane.
Conducting wire in Wireless charging coil 52 is the conducting wire for being first arranged to independently insulate, that is, is metal wire inside conducting wire, outside One layer of nonconducting protective layer has been wrapped up in portion, and the two of arbitrary neighborhood enclose mutually non-conductive between conducting wires.Wherein, at least two circle conducting wires The upper surface of any one circle conducting wire is in same plane.It is also understood that any two circles conducting wire in Wireless charging coil 52 is all Substantially parallel, all metal wires are arranged in same layer.Metal wire in conducting wire can be it is cylindrical, wrap up the protection of metal wire Layer is also hollow cylinder.Metal wire in certain conducting wire may be other shapes, such as oval, rectangular.Likewise, The protective layer for wrapping up metal wire may be other shapes, such as oval, rectangular.
In some embodiments, Wireless charging coil 52 includes at least two circle conducting wires, adjacent in at least two circles conducting wire Two circle conductor spacing settings.Conducting wire is to be spaced apart from each other setting, rather than only fit together and set in Wireless charging coil 52 It sets.Later period can carry out adjustment appropriate, to adapt to demand under varying environment.
In some embodiments, the smallest circle conducting wire of radius surrounds a housing region in the Wireless charging coil 52 524, first connecting pin 522 is arranged in the housing region 524.52 center of Wireless charging coil is not solid, that is, Some internal vacant space, the vacant space are the housing region 524, and the first connecting pin is arranged in the receiving In region 524, the smallest circle conducting wire of 52 radius of Wireless charging coil extends a section lead and connects first connecting pin 522. Wherein, the first connecting pin 522 can be set at the center of Wireless charging coil 52, i.e. the center of the housing region 524.
In some embodiments, Wireless charging coil is solid, i.e., the center of Wireless charging coil is the first connecting pin, It is the conducting wire of Wireless charging coil around first connecting pin.It is compact-sized, space utilization rate highest.
Referring to Fig. 2, Fig. 2 is the first structural schematic diagram of wireless charging component provided by the embodiments of the present application.The nothing Line charge electrical component, including Wireless charging coil 52 and circuit board 53.
Wireless charging coil 52 includes the first connecting pin 522 and second connection end 523, wherein first connecting pin 522 The centre of the Wireless charging coil 52 is set, and the side of the Wireless charging coil 52 is arranged in the second connection end 523 Edge.Specifically, Wireless charging coil 52 includes one section of plain conductor, which includes that the first connecting pin 522 and second connects End 523 is connect, the plain conductor can form coil pattern 521 around 522 winding of the first connecting pin at least two circle, described First connecting pin 522 is arranged among the coil pattern 521, and the second connection end 523 is arranged in the coil pattern 521 Edge.
Coil pattern 521 can be formed by one section of plain conductor coiling.Specifically, the plain conductor includes the first connecting pin 522 and second connection end 523, the first connecting pin 522 remain stationary, plain conductor surround the 522 winding multi-turn of the first connecting pin, And the radius of multi-turn plain conductor is gradually increased, so that multi-turn plain conductor is not overlapped in a thickness direction, two adjacent rings Plain conductor can be disposed adjacent, outermost of the second connection end 523 in multi-turn plain conductor.Multi-turn plain conductor includes at least Two circles.Two adjacent rings plain conductor non-conterminous can also be arranged.Plain conductor is externally provided with insulating layer, and plain conductor can be enamel-cover Line etc..Plain conductor can be using conducting wire performance preferable metal or alloy, such as copper, copper alloy, gold etc..This section of plain conductor Length be arranged according to the demand of Wireless charging coil, plain conductor diameter is generally 1mm-2mm.
Circuit board 53 includes the first tie point 531 and the second tie point 532 that 53 surface of circuit board is arranged in, the first connection Point 531 and the first connecting pin 522 are directly electrically connected, and the second tie point 532 is electrically connected with second connection end 523, and first connects Contact 531 and the second tie point 532 are electrically connected wireless charging circuit.
First connecting pin 522 of Wireless charging coil 52 is just directly electric with the cabling of circuit board 53 in coil pattern 521 Property connection, do not need to be pulled out to out of coil pattern 521 again outside coil pattern 521, the outlet of the first connecting pin 522 does not need to wear Coil pattern 521 is crossed, no longer as in the prior art, the first connecting pin 522 is from 521 internal stretch of coil pattern to coil pattern Outside 521, the thickness of two layers of coil cabling is not had, reduces the thickness of Wireless charging coil 52.For example, smart phone is present Becoming thin, the Wireless charging coil in existing scheme has two layers of cabling, and thickness is thicker, it is unfavorable for the lightening of smart phone, And Wireless charging coil 52 meets smart phone thickness with a thickness of single layer cabling in the wireless charging electric wire coil assembly of the present embodiment It is required that.
In some embodiments, the most interior circle plain conductor of Wireless charging coil 52 surrounds a hollow region, and first Connecting pin 522 is arranged in the hollow region.The corresponding hollow region setting of first tie point 531, in this way, the first connecting pin 522 and first tie point 531 can be directly electrically connected in the hollow region.Specifically, the first connecting pin 522 is in circuit board 53 projection has intersection with the first tie point 531 or is overlapped, and the first tie point 531 and the first connecting pin 522 can pass through scolding tin Directly welding connects together, and completes the direct electric connection of the first tie point 531 and the first connecting pin 522.It is also possible that first connects End 522 is connect in the projection of circuit board 53 and the first tie point 531 without 522 liang of intersection, the first tie point 531 and the first connecting pin There is a distance between person, this section of distance is smaller, such as less than 1cm, then still can directly weld and connect together by scolding tin, complete At the direct electric connection of the first tie point 531 and the first connecting pin 522.
In some embodiments, the most interior circle plain conductor of Wireless charging coil 52 is adjacent with first connecting pin 522 It connects, there is no hollow region, projection and first tie point of first connecting pin 522 in circuit board 53 among Wireless charging coil 52 531 have intersection or coincidence, and the first tie point 531 can directly be welded by scolding tin with the first connecting pin 522 and be connected together, and complete The direct electric connection of first tie point 531 and the first connecting pin 522.
First tie point 531 and the second tie point 532 are electrically connected wireless charging circuit can be by being printed on circuit board Cabling connection on 53 can also be connected by the way that the cabling of interbed in the circuit board is arranged.
In some embodiments, which can apply on charging equipment, the wireless charging on circuit board The wireless receiving charging circuit that circuit can charge the battery for reception wireless signal.Referring to Fig. 3, Fig. 3 is the application reality Second of structural schematic diagram of the wireless charging component of example offer is provided.The Wireless charging coil can be applied in charging equipment 61 On, for charging equipment 61 (such as mobile phone), charging equipment 61 includes receiving coil 611 (Wireless charging coil) and wirelessly connects Receive circuit 610, wireless charging power receives chip 612, battery charging management chip 613 and battery 614.Wherein, receiving coil 611 for receiving the energy (such as electromagnetic energy) of the transmitting of wireless charging device 62 and being converted into ac signal.Wireless charging power It receives chip 612 and receiving coil 611 is electrically connected, the ac signal of receiving coil 611 is subjected to analog-to-digital conversion (AC-DC) Obtain DC signal, wireless charging power receive chip 612 before analogue-to-digital or after the behaviour such as can also be rectified, be filtered Make.Battery charging management chip 613 and wireless charging power receive chip 612 and are electrically connected, and wireless charging power is received core The DC signal of piece 612 is converted into the electric signal powered to battery 614, such as carries out voltage transformation.In this embodiment, with The wireless charging circuit that receiving coil 611 (Wireless charging coil) is electrically connected is wireless receiving circuit 610.
In some embodiments, wireless receiving circuit 610 further includes the first control chip 615, and the first control chip 615 divides Chip 612, the electric connection of battery charging management chip 613 are received with wireless charging power, the first control chip 615 can be controlled Wireless charging power processed receives chip 612, the work of battery charging management chip 613 or stops.
In some embodiments, which can apply on wireless charging device, wireless on circuit board Charging circuit can be the wireless transmission charging circuit of transmitting wireless signal.
In some embodiments, Wireless charging coil can also be applied on wireless charging device 62, for wireless charging Device 62 (such as wireless charging pedestal), wireless charging device 62 include transmitting coil 623 (Wireless charging coil) and wireless transmission Circuit 620.Radio transmitter 620 includes: voltage transformation module 621, wireless charging power emission chip 622.Wherein, voltage Conversion module 621 converts voltage, such as increases the voltage of circuit.Wireless charging power emission chip 622 and voltage turn It changes the mold block 621 to be electrically connected, the voltage after raising is subjected to digital-to-analogue conversion (DC-AC) and obtains ac signal.Transmitting coil 623 It is electrically connected with wireless charging power emission chip 622, ac signal is converted into electromagnetic energy and is launched.In the implementation It is radio transmitter 620 with the wireless charging circuit that transmitting coil 623 (Wireless charging coil) is electrically connected in example.
It can also include wireline interface in radio transmitter 620, wireline interface passes through adapter and power supply (alternating current) Power supply (such as alternating current 220V) is converted into the suitable electric signal (such as direct current 5V) of wireless charging device by connection, adapter.It is wired Interface and voltage transformation module 621 are electrically connected.
In some embodiments, radio transmitter 620 further includes the second control chip 624, and the second control chip 624 divides It is not electrically connected with voltage transformation module 624, wireless charging power emission chip 622, the second control chip 624 can control electricity It presses conversion module 621, the work of wireless charging power emission chip 622 or stops.
In some embodiments, wireless charging power emission chip 622 could alternatively be inverter circuit and resonance circuit.It is inverse Power transformation road may include multiple switch pipe, pass through the size of turn-on time (duty ratio) adjustable output power of control switch pipe. Resonance circuit, for transferring out electric energy, for example, resonance circuit may include capacitor and transmitting coil.By adjusting resonance electricity The resonance frequency on road, the size of adjustable radio transmitter output power.
First tie point 531 and the first connecting pin 522 are electrically connected, and the second tie point 532 and second connection end 523 are electrical Connection, the first tie point 531 and the second tie point 532 connect wireless charging circuit 54, and wireless charging circuit 54 controls wireless charging Electric coil 52 sends energy or receives energy.
Specifically, in some embodiments, the first tie point 531 is pad, the first tie point 531 and the first connecting pin 522 are welded to connect.
In some embodiments, the second tie point 532 is pad, and the second tie point 532 connects with the welding of second connection end 523 It connects.
In some embodiments, the first tie point 531 is pad, and the first tie point 531 and the welding of the first connecting pin 522 connect It connects;Second tie point 532 is pad, and the second tie point 532 is welded to connect with second connection end 523.
In some embodiments, metal ferrule is arranged in the first tie point 531 and/or the second tie point 532, by wireless charging First connecting pin 522 of coil 52 and second connection end 523 connect with the first tie point 531 and the welding of the second tie point 532 respectively It connects.
Fig. 4 and Fig. 5 are please referred to, Fig. 4 is the third structural schematic diagram of wireless charging component provided by the embodiments of the present application, Fig. 5 is the sectional view in the direction A-A ' in Fig. 4.The circuit board 53 further includes the insulating layer 55 that surface is arranged in, among insulating layer 55 Equipped with the first notch 551, the first tie point 531 is equipped in the first notch 551;Circuit board 53 further includes that intermediate wiring is arranged in Layer, one end of the first cabling 533 in wiring layer and the first tie point 531 in the first notch 551 are electrically connected, the first cabling Wireless charging circuit is electrically connected in 533 other end and the second tie point 532.
Wherein, the first notch 551 can be identical as the shape of the first tie point 531, such as round, oval, rectangular, rectangular Shape etc..First notch 551 can also be different from the shape of the first tie point 531, and the area of the first notch 551 can be less than first The area of tie point 531.
Wiring layer is arranged among circuit board 53, and the thickness of wiring layer is very small.For example, being coated with one layer of metal on substrate Layer such as copper metal, then etching forms the wiring layer needed, the thickness 15um-70um of wiring layer.Moreover, wiring layer is inherently deposited It not will increase thickness, be designed into the cabling of the first connecting pin of correspondence Wireless charging coil 522 of wiring layer when need to only design First tie point, 531 position.And the plain conductor thickness of Wireless charging coil generally requires 1mm-2mm, if Wireless charging coil The first connecting pin outside is guided to by plain conductor again from inside, then the part with a thickness of 2mm-4mm, thickness increase compared with It is more, it is unfavorable for the lightening of electronic equipment such as mobile phone.
53 surface of circuit board is equipped with insulating layer 55, and Wireless charging coil 52 is arranged on the insulating layer 55, wherein the insulation The first notch 551, the hollow region among the corresponding Wireless charging coil 52 of first notch 551, circuit diagram are equipped among layer 55 The space that the most interior circle plain conductor of case 521 surrounds is the hollow region, is equipped with the first tie point 531 in the first notch 551, The first connecting pin 522 among coil pattern 521 is arranged in Wireless charging coil 52 can electrically connect with the first tie point 531 It connects, wiring layer is arranged below in 53 insulating layer 55 of circuit board, has the first cabling 533 in wiring layer, and the first tie point 531 is first It is walked by the first tie point 531 with first first connecting pin 522 of a tie point in cabling 533, Wireless charging coil 52 One end of line 533 connects, and the other end of the first cabling 533 electrically connects in the other positions of circuit board 53 with wireless charging link 54 It connects.Second tie point 532 can directly be electrically connected wireless charging circuit 54, that is, wireless charging circuit 54 is also disposed at circuit On plate 53, wireless charging circuit 54 directly with the second tie point 532 be electrically connected or wireless charging circuit 54 in wireless charging The pad for the element (such as capacitor, chip) that electric coil 52 connects is the second tie point 532.First tie point 531 passes through circuit board 53 cabling and wireless charging circuit 54 is electrically connected.
Wherein, circuit board 53 can be multi-layer board, other layers, such as power supply can be set between wiring layer and insulating layer 55 Layer, ground plane etc..Through-hole is set between wiring layer and the first notch 551, conducting wire, the first cabling in wiring layer are equipped in through-hole 533 one end is electrically connected by the first connecting pin 522 of conducting wire and Wireless charging coil 52 in the through-hole.
Wherein, wiring layer may include multiple sub- wiring layers, the first cabling 533 being electrically connected with Wireless charging coil 52 It is disposed therein the first sub- wiring layer, other sub- wiring layers can be set between the first sub- wiring layer and insulating layer 55.First cloth Through-hole is set between line layer and the first notch 551, conducting wire, one end of the first cabling 533 in the first wiring layer are equipped in through-hole It is electrically connected by the first connecting pin 522 of conducting wire and Wireless charging coil 52 in the through-hole.
In some embodiments, it is equipped with the second notch 552 among insulating layer 55, the second connection is equipped in the second notch 552 Point 532;Wiring layer further includes the second cabling 534, the second tie point 532 in one end of the second cabling 534 and the second notch 552 It is electrically connected, wireless charging circuit 54 is electrically connected in the other end and 534 other end of the second cabling of the first cabling 533.
Wherein, the second notch 552 is similar with the first notch 551, second connects for the second tie point 532 to be arranged, and by this Second cabling 534 of contact 532 and wiring layer is electrically connected.Second cabling 534 can be set with the first cabling 533 same Layer, the second tie point 532 in one end of the second cabling 534 and the second notch 552 are electrically connected, the first cabling 533 it is another Wireless charging circuit 54 is electrically connected with 534 other end of the second cabling in end.First tie point 531 and the second tie point 532 It is all electrically connected by the cabling of circuit board 53 and wireless charging circuit 54, that is, the first connecting pin 522 of Wireless charging coil 52 Pass through the first cabling 533 and the second cabling 534 and 54 electricity of wireless charging circuit in circuit board 53 respectively with second connection end 523 Property connection.
Referring to Fig. 6, Fig. 6 is the 4th kind of structural schematic diagram of wireless charging component provided by the embodiments of the present application.First Cabling 533 includes first segment cabling 5331 and second segment cabling 5332, and first segment cabling 5331 is online in the projection of circuit board 53 In circular pattern 521, second segment cabling 5332 is projected in outside coil pattern 521 circuit board 53, second segment cabling 5332 and Two cablings 534 are disposed adjacent.
First cabling 533 is divided into first segment cabling 5331 and second segment cabling 5332, and first segment cabling 5331 is in circuit board 53 are projected in coil pattern 521, that is, and first segment cabling 5331 extends to out of coil pattern 521 outside coil pattern 521, Second segment cabling 5332 is projected in outside coil pattern 521 circuit board 53, and second segment cabling 5332 is adjacent with the second cabling 534 Setting.Facilitate setting of the 52 both ends cabling of Wireless charging coil on circuit board 53.Wherein, second segment cabling 5332 and second is walked Line 534 can be arranged in parallel.In addition, what is transmitted in the first cabling 533 and the second cabling 534 is AC signal, interference is larger, the One cabling 533 and the second cabling 534 are adjacent and be arranged in parallel, and reduce the contact area of AC signal and other modules, can subtract The small influence to other modules, and facilitate wiring.
It is the 5th kind of structural schematic diagram of wireless charging component provided by the embodiments of the present application incorporated by reference to Fig. 7, Fig. 7.First Circuit board 53 is divided at least two regions by cabling 533, further includes functional module 57 on circuit board 53, and functional module 57 includes more A element, multiple element are arranged in the same area.
First cabling 533 extends to the first tie point 531 from wireless charging circuit 54, and circuit board 53 is divided at least two A region is additionally provided with other function module 57 on circuit board 53, and by taking smart phone as an example, other function module 57 can be sound Frequency module or display module etc..Each functional module 57 includes multiple element, if the multiple element of a functional module 57 is set It sets in the two sides of the first cabling 533, because the AC signal of the first cabling 533 transmission, is arranged in the member of 533 two sides of the first cabling Part carries out serious interference when signal interaction, influences the performance of the functional module 57, therefore, the multiple element of a functional module 57 It is arranged in the same area, that is, the side of the first cabling 533 is set, naturally it is also possible to the side of the second cabling 534 be arranged in. Reduce the influence of the first cabling 533 and/or the second cabling 534 to other function module.Wherein, the first cabling 533 and second is walked Line 534 can be arranged parallelly and adjacently.
If the first cabling 533 and the second cabling 534 separate cabling, the multiple element setting of functional module 57 is walked first The side of line 533 and the second cabling 534, that is, the multiple element of functional module 57 is not arranged in the first cabling 533 or the second cabling 534 two sides.
In some embodiments, the center of coil pattern 521 is arranged in the first connecting pin 522.Facilitate the first connecting pin 522 It is separated with coil pattern 521, the first connecting pin 522 and the first tie point 531 is facilitated to be welded to connect.Leading in coil pattern 521 Line is disposed adjacent, and a circle circle radius is gradually reduced setting from outside to inside, and 521 center of coil pattern is equipped with a hollow region, and first Connecting pin 522 extends to the centre of hollow region from the end of coil pattern 521, and the conducting wire of no longer adjacent windings pattern 521 Setting.
First connecting pin 522 can be set in the center of coil pattern 521, reserve wireless charging in advance on circuit board 53 The position of electric coil 52, and the first tie point 531 and second of corresponding first connecting pin 522 and second connection end 523 is set Tie point 532, the first tie point 531 and the second tie point 532 can be pad, and the first tie point 531 as pad is corresponding The center of coil pattern 521 is arranged, and the space of the first connecting pin 522 and the first tie point 531 welded connecting is larger, facilitates behaviour Make, and all apart from each other with the coil pattern on periphery 521, it is not easy to residue solder.
In some embodiments, electronic equipment includes shell and wireless charging component, and wireless charging component is arranged in shell Interior, which includes Wireless charging coil and circuit board.
The Wireless charging coil includes one section of plain conductor, and the plain conductor includes the first connecting pin and the second connection End, the plain conductor form coil pattern, the first connecting pin setting around the circle of first connecting pin winding at least two Among the coil pattern, the second connection end is arranged at the coil pattern edge.The circuit board includes that setting exists The first tie point and the second tie point of the circuit board surface, first tie point electrically connect with first connecting pin Connect, second tie point and the second connection end are electrically connected, first connecting pin the circuit board projection with First tie point is overlapped, and first tie point and second tie point are for being electrically connected wireless charging circuit.Electricity Sub- equipment can be charging equipment, such as wireless charging pedestal, or charging equipment, such as smart phone.
It should be noted that the wireless charging component may be the wireless charging group of any embodiment in above-described embodiment Part.
In some embodiments, electronic equipment further includes battery, and wireless charging component is electrically connected with the battery, wireless charging Component is for charging the battery.
Electronic equipment is charging equipment, and the Wireless charging coil in wireless charging component is for receiving energy and being converted into Electric energy, then the battery charging inside electron equipment.The electronic equipment can be the various electrifications such as smart phone, tablet computer The equipment in pond and wireless charging component.Smart phone becomes thin now, and the Wireless charging coil in existing scheme has two layers Line, thickness is thicker, is unfavorable for the lightening of smart phone, and Wireless charging coil in the wireless charging electric wire coil assembly of the present embodiment With a thickness of single layer cabling, meet the requirement of smart phone thickness.
In some embodiments, electronic equipment further includes control module, and control module is used to control Wireless charging coil will Electric energy is converted into electromagnetic energy and launches.
Wireless charging coil in wireless charging component is launched for converting electric energy to electromagnetic energy.The electronic equipment For wireless charging device, such as wireless charging pedestal equipment.
Wherein, wireless charging pedestal may include reserve battery, and wireless charging pedestal passes through adapter and the wired company of power supply Connect or wireless charging pedestal directly with power supply wired connection.Wireless charging pedestal can charge to reserve battery, when power supply is out of power When, if urban district has a power failure, wireless charging can be carried out to other charging equipments with reserve battery.
In some embodiments, electronic equipment may be an accessory, the wireless charging in the wireless charging component of the accessory Electric coil is used to receive energy and be converted into electric energy, then the accessory and other equipment such as smart phone wired connection, as this is matched Part has the first connectivity port, the second connection end mouth physical connection of first connectivity port and smart phone, the then accessory The received energy of the Wireless charging coil being had is converted into electric energy, then which is passed through to the first connectivity port of accessory Second connection end mouth through smart phone charges to the battery of smart phone.The accessory can be made the rear shell or preceding of smart phone Shell or bracket or protective shell use.Certainly, which can also be used as other forms use.
As shown in figure 8, charging equipment 22 cooperates wireless charging device 31 to carry out wireless charging, the wireless charging device 31 Power supply, such as alternating current are connected by adapter 41, alternating current such as 220V is converted to the applicable electricity of wireless charging device 31 by adapter 41 Pressure, wireless charging device 31 include voltage conversion circuit 311, radio transmitter 312 and the first control module 313.It is to be charged Equipment 22 includes wireless receiving circuit 221, Buck conversion circuit component 222, battery 223 and the second control module 224.
Wireless charging device 31 may include voltage conversion circuit 311, radio transmitter 312 and the first control module 313.Wherein, voltage conversion circuit 311 is electrically connected adapter 41 and radio transmitter 312, and radio transmitter 312 will Energy is sent, for charging to charging equipment 22.First control module 313 respectively with voltage conversion circuit 311 and nothing Line transmit circuit electrical connection 312.Wherein, the power supply that voltage conversion circuit 311 is used to input wireless charging device 31 carries out electricity Pressure conversion, for example, the alternating current (such as 220V) of input is converted into suitable voltage (such as 15V, 12V, 9V).Radio transmitter 312, for converting electric energy to electromagnetic energy, then launch electromagnetic energy.First control module 313 turns for controlling voltage The opening and closing for changing circuit 311 and radio transmitter 312 can be also used for detecting whether to receive charging equipment 322 Then return information controls the opening and closing of voltage conversion circuit 311 and radio transmitter 312 according to return information.Its In, return information may include the battery information of charging equipment 322, and if whether battery is full of, return information also may include The charge type information of charging equipment 322.
Charging equipment 22 includes wireless receiving circuit 221, Buck conversion circuit 222 and the battery being sequentially connected electrically 223, charging equipment 22 further includes the second control for being electrically connected wireless receiving circuit 221 and Buck conversion circuit 222 Module 224.Wherein, wireless receiving circuit 221 is used to receive the electromagnetism that the radio transmitter 312 of wireless charging device 31 emits Can, and the electromagnetic energy is converted into electric energy.Buck conversion circuit 222 be used for convert electromagnetic energy into electric energy decompression (such as from 15V is depressured to 9V, 9V and is depressured to 5V etc.).Specifically, the high voltage low current that wireless receiving circuit 221 exports is converted into low Voltage high-current.Second control module 224 can be used for controlling opening for wireless receiving circuit 221 and Buck conversion circuit 222 It opens and closes.It can be also used for detecting whether to receive the information of the transmission of wireless charging device 31, then information based on the received Control the opening and closing of wireless receiving circuit 221, Buck conversion circuit 222.
In one embodiment, during the wireless charging to charging equipment, wireless charging device is set with to be charged It is standby to carry out two-way communication.Wireless charging device can determine charge parameter (for example, charging voltage/charging with charging equipment as a result, Electric current) and charge mode (for example, using charge mode of different charge powers).
In one embodiment, wireless charging device and charging equipment carry out two-way communication, obtain charging equipment The voltage and or current of battery;And according to the voltage and or current of battery, the transmission power of radio transmitter 312 is adjusted.
Optionally, in some embodiments, the communication information between wireless charging device and charging equipment includes following At least one of information: the temperature information of battery;Indicate wireless receiving circuit output voltage and/or export electric current peak value or The information of mean value;Into overvoltage protection or the instruction information of overcurrent protection;Power transmission efficiency information, is used to indicate wireless transmission Power transmission efficiency between circuit and wireless receiving circuit.
Optionally, in some embodiments, the communication information includes power transmission efficiency information, and wireless charging device can basis Power transmission efficiency information determines the adjustment amplitude of the transmission power of radio transmitter.
Optionally, in some embodiments, wireless charging device supports the first wireless charging mode and the second wireless charging Mode, wherein wireless charging device is faster than wireless charging Denso to the charging rate of charging equipment under the first wireless charging mode Set the charging rate under the second wireless charging mode to charging equipment.
Optionally, in some embodiments, wireless charging device is communicated with charging equipment, to negotiate to use first Wireless charging mode or the second wireless charging mode carry out wireless charging.
Optionally, in some embodiments, wireless charging device is communicated with charging equipment, to negotiate to use first Wireless charging mode or the second wireless charging mode carry out wireless charging can include: handshake communication is carried out with charging equipment, In the successful situation of handshake communication, control wireless charging device is that charging equipment is filled using the first wireless charging mode Electricity, in the case where shaking hands communication failure, control wireless charging device using the second wireless charging mode be charging equipment into Row charging.
In wireless charging, radio transmitter 312 and wireless receiving circuit 221 require to use Wireless charging coil, Wireless charging coil can be used for converting electric energy to electromagnetic energy, or convert electromagnetic energy into electric energy.
Used in the embodiment of the present application to electronic equipment may include but be not limited to be configured to connect via Wireline It connects (such as via Public Switched Telephone Network (public switched telephone network, PSTN), Digital Subscriber Line Road (digital subscriber line, DSL), digital cable, Direct cable connection and/or another data connection/net Network) and/or via (for example, for cellular network, WLAN (wireless local area network, WLAN), Such as DTV of hand-held digital video broadcast (digital video broadcasting handheld, DVB-H) network Network, satellite network, AM/FM amplitude modulation/frequency modulation (amplitude modulation-frequency modulation, AM-FM) broadcast Transmitter and/or another communication terminal) wireless interface receives/sends the device of signal of communication.It is configured to by wireless The terminal of interface communication can be referred to as " wireless communication terminal ", " wireless terminal " and/or " mobile terminal ".Mobile terminal Example includes, but are not limited to satellite or cellular phone;It can be with combination cellular radio telephone and data processing, fax and data PCS Personal Communications System (personal communication system, PCS) terminal of communication capacity;It may include radio Phone, pager, the Internet/intranet access, Web browser, memo pad, calendar and/or global positioning system (global Positioning system, GPS) receiver personal digital assistant (personal digital assistant, PDA); And conventional laptop and/or palmtop receiver or other electronic devices including radiotelephone transceiver.
The wireless charging device of the embodiment of the present application includes adapter, which includes control unit, and the application is implemented Example is to the control unit of adapter and the Content of Communication of electronic equipment (such as smart phone) and control unit to adapter the The control mode of output under two charge modes is not especially limited, for example, control unit can be with electronic equipment (such as intelligent hand Machine) it communicates, the current voltage or current electric quantity of the battery in interactive electronic equipment (such as smart phone), and it is battery-based current The output voltage or output electric current of voltage or current electric quantity adjustment adapter.Below with reference to specific embodiment to control unit with Content of Communication and control unit between electronic equipment (such as smart phone) is to the defeated of the adapter under the second charge mode Control mode out is described in detail.
Optionally, in some embodiments, wireless charging device supports the first charge mode and the second charge mode, and nothing Line charge electric installation is faster than wireless charging device in the first charging mould to the charging rate of charging equipment under the second charge mode Two-way communication is carried out to the charging rate of charging equipment, wireless charging device and charging equipment under formula, to control wireless charging The output power of electric installation, comprising: two-way communication is carried out with charging equipment, to control the wireless charging under the second charge mode The output power of electric installation.
The embodiment of the present application to the concrete type of wireless charging device without limitation, for example, wireless charging device can be Wireless charging pedestal, be also possible to it is other kinds of can convert the electrical signal to electromagnetic wave, to realize the dress of wireless charging It sets.
The embodiment of the present application is not specifically limited the number and type of the external interface of wireless charging device.In some realities It applies in example, wireless charging device may include an external interface, which both can be used for receiving external equipment offer Charge power, and can be used for transmitting external equipment offer data.In further embodiments, wireless charging device can be with Including multiple external interfaces, for example, wireless charging device includes two external interfaces, one of external interface is used for and electronics Equipment is connected, another external interface with adapter for being connected.The external interface of wireless charging device for example may include string At least one of interfaces such as mouth, universal serial bus (universal serial bus, USB).The USB interface for example can be with It is USB2.0 interface, 3.0 interface of USB or TYPE-C interface.
The embodiment of the present application is not specifically limited wireless charging mode.For example, wireless charging can be based on magnetic coupling, magnetic At least one of resonance and radio wave carry out wireless charging.
In some implementations, wireless charging mode can carry out wireless charging based on traditional wireless charging standard.For example, Wireless charging mode can carry out wireless charging: QI standard, A4WP standard and PMA standard based on one of following standard.
Charging equipment further includes wireless communication module, and wireless communication module is used to set in wireless charging device to be charged It is standby carry out wireless charging during, by Radio Link by wireless charging device or the second electronics being connect with wireless charging device The data stored in equipment are transmitted to electronic equipment, or are transmitted to the data stored in charging equipment by Radio Link Wireless charging device or the second electronic equipment being connect with wireless charging device.Wireless charging device can be used with internal memory In the data of storage electronic equipment.Wireless charging device also can connect the second electronic equipment, and the second electronic equipment can be with For computer, mobile hard disk etc. have store function equipment, wireless charging device can with the second electronic equipment wired connection, Also can be wireless (such as bluetooth connection, WIFI connection, near radio connect), and wireless communication module is by the number of electronic equipment According to through wireless charging device storage to the second electronic equipment.
It can be communicated by short-distance wireless communication system between charging equipment and wireless charging device.Specifically , short-distance wireless communication system includes sending ending equipment and receiving device.Sending ending equipment can show with receiving device Real contactless high speed data transfer, optionally, in the integrated circuit (Integrated Circuit, IC) of sending ending equipment Extremely high frequency (Extremely high frequency, EHF) antenna is encapsulated in chip, thus, sending ending equipment can be based on height Carrier frequency (for example, 60GHz) realizes that the data of high speed are wirelessly transferred (for example, the transmission speed for reaching as high as 6GB/s).It is optional Ground can also encapsulate EHF antenna in the IC chip of receiving device, it is thus possible to realize sending ending equipment and receiving device Between two-way communication.Optionally, the wireless biography of data is realized between sending ending equipment and receiving device by electromagnetic signal It is defeated.Wherein, sending ending equipment is arranged on charging equipment, and receiving device is arranged on wireless charging device.It is also possible that hair Sending end equipment is arranged on wireless charging device, and receiving device is arranged on charging equipment.It is also possible that sending ending equipment and Receiving device can integrate together, and sending function or receive capabilities are opened under different signal intelligences.
It should be understood that the wireless near field communication based on high carrier frequency has, low-power consumption, small in size, transmission rate is fast, non- The advantages that contact transmission, it can also realize the function of pluging and playing module, the signal integrity that can be greatly improved is supported cleverer System living is realized, stand-by power consumption is reduced, and increases the safety of amplitude of bandwidth and data transmission, compatible to high-speed video The features such as support.
It should be understood that high carrier frequency can be that by the carrier frequency of the data wireless transmission of high speed.High carrier frequency Rate can be some specific carrier frequency, be also possible to a carrier wave frequency range, such as 30GHz-300GHz, the embodiment of the present application It is not specifically limited in this embodiment.
Optionally, which is 60GHz.
Optionally, sending ending equipment includes the IC chip that enclosed inside has EHF antenna.
For example, sending ending equipment includes independent transmission chip, for example, the independent transmission chip has for enclosed inside The transmission power of the IC chip of EHF antenna, the independent transmission chip can be the high frequency of 60GHz, it is thus possible to realize transmission The quick transmission (e.g., the transmission speed of 6GB/s) of data between end equipment and receiving device.
In some embodiments, module and wireless charging device carry out two-way communication to charging equipment by wireless communication. Wireless charging device may include adapter, and wireless communication module is used to carry out two-way communication with wireless charging device, to negotiate Charge mode between adapter and charging equipment, that is, adapter and charging equipment are the first charge mode or second Charge mode.
The embodiment of the present application is not specifically limited wireless charging device and the data type of the second electronic equipment.Example Such as, wireless charging device can transmit at least one of following data: the number of the data of usb protocol format, DP protocol format According to the data of, MHL protocol format.
Further, in some embodiments, wireless charging device can be used for and the second electronic equipment various protocols The data of format.For example, wireless charging device can support the transmission of the data of usb protocol format and MHL protocol format simultaneously.
The embodiment of the present application without limitation, can be realized the function of wireless charging device to the specific structure of wireless charging device Any circuit structure of energy is used equally for the embodiment of the present application.By taking Fig. 9 as an example, wireless charging device 10 may include: that control is single First 121 (such as can be MCU), wireless charging unit 122 and wireless data transmission unit 13, wherein control unit 121 and nothing Line charge electric unit 122 can realize the corresponding function of wireless charging control unit 12 jointly.In addition, wireless data transmission unit 13 Wireless data transmission function can also be realized under the control of control unit 121.Further, control unit 121 can also lead to Cross the interaction that external interface 11 was communicated and/or controlled information with external equipment.In other words, inside wireless charging device 10 The relevant function of control can be integrated in control unit 121, be uniformly controlled by control unit 121, but the application is real It is without being limited thereto to apply example, multiple control units can also be arranged in wireless charging device 10, is respectively used to realize different control Function.
Specifically, control unit 121 can be communicated with electronic equipment 30, to identify the type of electronic equipment 30, and The determining and matched power grade of charging equipment 30.By taking the input power of external interface 11 is DC electric power as an example, wirelessly Charhing unit 122 may include the devices such as conversion circuit and coil, and conversion circuit can be used for the direct current for inputting external interface 11 Electricity is converted into alternating current, and coil can be used for converting alternating current to electromagnetic radiation to receiving end.Charging equipment and wireless charging Electric installation is communicated, and the information such as the type of charging equipment, power grade are sent to wireless charging device, wireless to control The output power of charging unit.
It is host equipment with the second electronic equipment 20, control unit 121 is MCU, and wireless charging device 10 is wireless charging For pedestal, when host equipment is connected by the external interface of wireless charging pedestal with wireless charging pedestal, MCU identifies host Type (such as data of 2.0 format of USB, USB3.0 for the data interaction that the power and host equipment that equipment is capable of providing are supported Data, image data, audio, video data of format etc.).Then, wireless charging device 10 can be capable of providing according to host equipment Power provide multiple function according to the rule that traditional wireless charging standard (such as QI or A4WP) defines for charging equipment Rate grade, such as low power level (such as 5W) and middle power grade (such as 10W and/or 15W).Certainly, if host equipment can mention For bigger power, the embodiment of the present application can also be extended traditional wireless charging standard (such as QI or A4WP), from And higher power grade is provided to charging equipment.Charging equipment can send the power grade of itself and control command To wireless charging pedestal and/or host equipment, so that wireless charging pedestal and/or host equipment determine power grade.
It should be noted that being to be based on conventional wireless rechargeable standard progress wireless charging with wireless charging device 10 to be above What example was illustrated, but the embodiment of the present application is without being limited thereto, and wireless charging device 10 is also based on customized privately owned Standard or agreement carry out wireless charging, such as according to customized privately owned standard or the type of protocol identification electronic equipment, match to The power grade etc. of charging equipment.
In some implementations, wireless charging device 10 can be connected by external interface 11 with adapter, and according to The output power of adapter carries out wireless charging to charging equipment 30.In other implementations, wireless charging device 10 It can be used to serve as adapter, i.e., the function of adapter is integrated in inside wireless charging device 10.Above-mentioned adapter can be Common adapter in the related technology is also possible to the controllable adapter of output power provided by the embodiments of the present application.
It, can with output power provided by the embodiments of the present application to common adapter in the related technology in wireless charging The adapter of control is described in detail.It is indicated above, in order to use adapter to wireless charging field, the first can Can be achieved in that adapter be connected with wireless charging device, thus based on the output power of adapter to electronic equipment into Row wireless charging.In this implementation, the main function of wireless charging device is to be converted into the output power of adapter Then the wireless power signal is transmitted to electronic equipment by wireless power signal.Second possible be achieved in that it is direct will The function of adapter (is integrated in inside wireless charging device) by wireless charging device as adapter, utilizes wireless charging Denso The output power set charges to electronic equipment.In this implementation, wireless charging device not only needs to be responsible for passing through Alternating current is converted in the operation such as transformation, rectification, to be also responsible for wirelessly emitting the voltage and current after conversion To electronic equipment, to carry out wireless charging to electronic equipment.Below with reference to specific embodiment, to both the above implementation It describes in detail respectively.
By taking the first implementation as an example, as shown in Figure 10, external interface 11 can be connected with adapter 40.When outside connects Mouthfuls 11 with adapter 40 when connecting, and wireless charging device 10 may be used primarily for wireless charging, and wireless data transmission unit 13 can be with It is in idle condition, or the relevant some parameter informations of transmission wireless charging.
The embodiment of the present application is not specifically limited the type of adapter 40.For example, adapter 40 can be it is related existing The common adapter that technology provides.For another example, adapter 40 can be it is provided by the embodiments of the present application being capable of output to itself The adapter that power is controlled, this kind of adapter usually requires to carry out two-way communication with extraneous, to negotiate or control the adaptation The output power of device.
By taking adapter 40 is common adapter as an example, when wireless charging device 10 recognizes external interface 11, to be connected to this general When logical adapter, wireless charging control unit 12 can be based on the rule that wireless charging standard (such as QI, A4WP etc.) is defined Charging equipment provides one or more power grades, as low power level (such as 5W) and middle power grade (such as 10W and/or 15W).It, can be based on the wireless charging agreement of wireless charging standard offer when wireless charging device 10 detects electronic equipment It is communicated, to identify the type of electronic equipment, and matches the power grade of electronic equipment.Then, wireless charging pedestal can be with Wireless charging is carried out to electronic equipment based on the power grade matched.
By taking adapter 40 is the adjustable adapter of output power provided by the embodiments of the present application as an example, wireless charging device 10 In wireless charging control unit 12 can carry out two-way communication with adapter, with the output work of control (or negotiate) adapter Rate, and wireless charging is carried out to electronic equipment 30 according to the output power of the adapter.From the foregoing, it can be understood that being provided with the relevant technologies Common adapter compare, the controllable adapter of output power provided by the embodiments of the present application is capable of providing bigger output work Rate, so that the quick charge for wireless charging field provides the foundation.
When wireless charging device 10 detects that external interface 11 is connected with adapter, wireless charging device 10 can with it is suitable Orchestration carries out two-way communication.If the adapter can support two-way communication, show that the adapter is above-described output work The controllable adapter of rate.At this point, the wireless charging control unit 12 in wireless charging device 10 can be based on wireless charging standard The rule that (such as QI, A4WP etc.) is defined provides the power grade of one or more standards, such as low power level for charging equipment (such as 5W) and middle power grade (such as 10W and/or 15W).Alternatively, wireless charging control unit 12 can extend traditional wireless charging Electric standard (such as QI, A4WP etc.), can support higher power grade.So, when wireless charging device 10 detects When the adapter controllable with output power to external interface 11 is connected, higher power grade can be provided for charging equipment.
Optionally, in some embodiments, wireless charging device 10 can be according to two-way provided by the embodiments of the present application Believe agreement (two-way communication process and instruction set between the adapter and charging equipment of description as detailed above) with it is to be charged Equipment carries out two-way communication, with power grade in offer, or even provides higher power grade.
By taking wireless charging device 10 is wireless charging pedestal as an example, when charging equipment is connected with wireless charging pedestal, Wireless charging pedestal can carry out two-way communication according to bidirectional communication protocol provided by the embodiments of the present application and charging equipment, with It identifies the type of charging equipment, and power match is carried out to charging equipment.Then, wireless charging pedestal can be based on matching Power out carries out wireless charging to charging equipment.It should be noted that the matching process of power may include size of current Matching and voltage swing matching, by taking mesh power is equal to 10W as an example, voltage and current can be respectively 5V and 2A, or Voltage and current can be respectively 10V and 1A.
It should be noted that the embodiment of the present application is to being Content of Communication between wireless charging control unit 12 and adapter It is not specifically limited, as long as can be realized control or negotiate the purpose of the output power of adapter.Below with reference to specific The Content of Communication between adapter and wireless charging control unit 12 is illustrated in embodiment.
Optionally, in some embodiments, adapter 40 is the adaptation for supporting the first charge mode and the second charge mode Device, and adapter 40 is faster than adapter 40 in the first charge mode to the charging rate of electronic equipment 30 under the second charge mode Under to the charging rate of electronic equipment 30, it is above-mentioned to carry out two-way communication with adapter 40, to control the output power of adapter 40 Can include: two-way communication is carried out with adapter 40, to control the output power of the adapter 40 under the second charge mode.
It should be noted that the output power of the adapter 40 under the second charge mode can be led by wireless charging device 10 It is dynamic to determine;Alternatively, can be determined with reference to the state or ability of terminal to be charged by wireless charging device 10;Or Person can determine by charging equipment 30, and in this case, wireless charging device 10 is mainly responsible for adapter 40 and to be charged The transmitting of information or instruction between equipment 30.
Optionally, in some embodiments, wireless charging control unit 12 directly can carry out two-way with adapter 40 Letter, to negotiate or control the output power of the adapter under the second charge mode.For example, wireless charging control unit 12 can this The bidirectional communication protocol that application embodiment provides (sees above the two-way communication process between the adapter of description and electronic equipment And instruction set) and the progress two-way communication of adapter 40.
Optionally, in some embodiments, above-mentioned to carry out two-way communication with adapter 40, to control in the second charge mode Under adapter 40 output power can include: with adapter 40 carry out two-way communication, to negotiate the charge mode of adapter 40.
For example, adapter 40 can send the first instruction to wireless charging control unit 12, inquiry wireless charging control is single Whether member 12 opens the second charge mode;Wireless charging control unit 12 sends the replying instruction of the first instruction to adapter, the The replying instruction of one instruction is used to indicate whether wireless charging control unit 12 is agreed to open the second charge mode.In the first instruction Replying instruction instruction wireless charging control unit 12 agree in the case where opening the second charge mode that adapter, which is opened, second to be filled Power mode.
The embodiment of the present application determines whether that the mode for opening the second charge mode is not done and had to wireless charging control unit 12 Body limits.For example, wireless charging control unit 12 can directly be agreed to open the second charge mode;For another example, wireless charging controls First instruction can be sent to electronic equipment 30 by unit 12, be decided whether to open the second charge mode by charging equipment 30; For another example, wireless charging control unit 12 can (whether such as charging equipment supports second to fill according to the state of charging equipment 30 Power mode and/or the current electric quantity of charging equipment etc.) determine whether to open the second charge mode.
Optionally, in some embodiments, above-mentioned to carry out two-way communication with adapter 40, to control in the second charge mode Under adapter 40 output power can include: with adapter 40 carry out two-way communication, with control under the second charge mode The output voltage of adapter.
For example, adapter 40 can send the second instruction to wireless charging control unit 12, inquiry wireless charging control is single Whether first 12 current output voltages are suitable;Wireless charging control unit 12 can send the reply of the second instruction to adapter 40 Instruction, the output voltage that the replying instruction of the second instruction is current for adapter 40 is suitable, higher or relatively low, so as to adapter 40 The output voltage of itself is adjusted according to the replying instruction of the second instruction.
The embodiment of the present application determines the output electricity of the adapter under the second charge mode to wireless charging control unit 12 The mode of pressure is not specifically limited.Optionally, in some embodiments, wireless charging control unit 12 can be determined actively The output voltage of adapter under two charge modes.For example, wireless charging control unit 12 identifies that the adapter is output work After the controllable adapter of rate, the output voltage of the adapter 40 is directly adjusted to preset higher gear.Optionally, another In some embodiments, wireless charging control unit 12 can be communicated with charging equipment 30, and be based on charging equipment 30 Feedback information control the output voltage of adapter under the second charge mode.
Optionally, in some embodiments, above-mentioned to carry out two-way communication with adapter, to control under the second charge mode Adapter output power can include: two-way communication is carried out with adapter, to control adapter under the second charge mode Output electric current.
For example, adapter 40 can send third instruction to wireless charging control unit 12, inquiry wireless charging control is single The maximum charging current that the current value or wireless charging device of the output electric current of first 12 adapters are supported;Wireless charging control is single Member 12 can send the replying instruction that third instructs to adapter 40, and the replying instruction of third instruction is used to indicate the defeated of adapter The maximum charging current that the current value of electric current or wireless charging device are supported out, instructs so as to adapter 40 according to third Replying instruction adjusts the output electric current of itself.
The embodiment of the present application determines the output electricity of the adapter under the second charge mode to wireless charging control unit 12 The mode of stream is not specifically limited.Optionally, in some embodiments, wireless charging control unit 12 can be with active control The output electric current of adapter under two charge modes.For example, wireless charging control unit 12 identifies that the adapter is output work After the controllable adapter of rate, the output electric current of the adapter is directly adjusted to preset higher gear.Optionally, another In a little embodiments, wireless charging control unit 12 can be communicated with charging equipment 30, and based on charging equipment 30 The output electric current of adapter of the feedback information control under the second charge mode.
It should be noted that the embodiment of the present application is to wireless charging control unit 12 according to the output power pair of adapter 40 The process that charging equipment 30 carries out wireless charging is not specifically limited.In some embodiments, it can continue to use traditional wireless Wireless charging agreement provided by rechargeable standard (such as QI or A4WP) carries out wireless charging to electronic equipment 30.In other implementations In, it (can be seen above between the adapter of description and electronic equipment using bidirectional communication protocol provided by the embodiments of the present application Two-way communication process and instruction set) to charging equipment 30 carry out wireless charging.
Specifically, the above-mentioned output power according to adapter 40 carries out wireless charging to charging equipment 30 can include: with Charging equipment 30 carries out two-way communication, to inquire whether charging equipment 30 is agreed to open the second charge mode;To be charged Equipment 0 is agreed in the case where opening the second charge mode, right according to the output power of the adapter 40 under the second charge mode Charging equipment 30 carries out wireless charging.
The communication process of traditional wireless charging process only includes the identification and power grade confirmation process of electronic equipment, this Apply for that embodiment is based on customized bidirectional communication protocol, (i.e. whether electronic equipment is branch to the type of identification electronic equipment first Hold the adapter of the second charge mode), so that bidirectional communication protocol provided by the embodiments of the present application is applied to wireless charging neck Domain provides the foundation for the quick charge of wireless charging field.
Optionally, in some embodiments, wireless charging control unit 12 can also be used in wireless charging control unit 12 During carrying out wireless charging to charging equipment 30 according to the output power of adapter 40, carried out with charging equipment 30 double To communication, to adjust the output power of wireless charging control unit 12.
Traditional wireless charging process can not then adjust wireless charging control after the power match for completing electronic equipment Output power, the embodiment of the present application modifies the communication protocol between wireless charging control unit 12 and charging equipment 30, In wireless charging control, the two-way communication between wireless charging control unit 12 and charging equipment 30 is kept, so as to root The output power for adjusting wireless charging control unit 12 in real time according to actual needs, improves the flexibility of wireless charging process.
By taking second of implementation (i.e. implementation of the wireless charging device 10 directly as adapter) as an example, wireless charging Electric control unit 12 can also be used to receive alternating current;The input power of alternating current is converted into the output work of wireless charging device 10 Rate;Wireless charging is carried out to charging equipment 30 according to the output power of wireless charging device 10.
The function of adapter is integrated in wireless charging device, it is possible to reduce need to connect during wireless charging sets Standby or device quantity simplifies and realizes.
It should be understood that the function of common adapter can be integrated in wireless charging device 10, it can also be in wireless charging Denso Set the function that the adjustable adapter of output power provided by the embodiments of the present application is integrated in 10.To collect in wireless charging device 10 For function at the adjustable adapter of output power provided by the embodiments of the present application, wireless charging device 10 can be set with to be charged It is standby to carry out two-way communication, to control the output power of wireless charging device 10.Wireless charging device 10 and charging equipment it Between bi-directional communication mechanism can be using with the adjustable adapter of output power during wired charging and between electronic equipment The similar communication mechanism of bi-directional communication mechanism (referring specifically to above), the difference is that wireless charging device 10 with it is to be charged Charge power between equipment wirelessly transmits.Below with reference to specific embodiment to wireless charging device 10 with to Communication mechanism and charge control mode between charging equipment are described in detail.
Optionally, in some embodiments, wireless charging device 10 can support the first charge mode and the second charge mode, And wireless charging device 10 is faster than wireless charging device 10 to the charging rate of charging equipment 30 under the second charge mode and exists To the charging rate of charging equipment 30 under first charge mode, two-way communication is carried out with charging equipment 30, it is wireless to control The output power of charging unit 10 can include: two-way communication is carried out with charging equipment 30, to control under the second charge mode Wireless charging device 10 output power.
Optionally, in some embodiments, two-way communication is carried out with charging equipment 30, to control in the second charge mode Under wireless charging device 10 output power can include: with charging equipment 30 carry out two-way communication, to negotiate wireless charging The charge mode of device 10.
Optionally, in some embodiments, two-way communication is carried out with charging equipment 30, to control in the second charge mode Under wireless charging device 10 output power can include: with charging equipment 30 carry out two-way communication, with control filled second The output voltage of wireless charging device 10 under power mode.
Optionally, in some embodiments, two-way communication is carried out with charging equipment 30, to control in the second charge mode Under wireless charging device 10 output power can include: with charging equipment 30 carry out two-way communication, with control filled second The output electric current of wireless charging device 10 under power mode.
It is described in detail above in association with function of the different embodiments to wireless charging device 10, but each reality of the application It applies mutually indepedent between example.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment Point, reference can be made to the related descriptions of other embodiments.
Wireless charging coil provided by the embodiments of the present application, wireless charging component and electronic equipment have been carried out in detail above It introduces, specific examples are used herein to illustrate the principle and implementation manner of the present application, the explanation of above embodiments It is merely used to help understand the application.Meanwhile for those skilled in the art, according to the thought of the application, it is being embodied There will be changes in mode and application range, in conclusion the contents of this specification should not be construed as limiting the present application.

Claims (15)

1. a kind of Wireless charging coil, which is characterized in that including the first connecting pin and second connection end, wherein described first connects The centre that the Wireless charging coil is arranged in end is connect, the edge of the Wireless charging coil is arranged in the second connection end, First connecting pin is used for the tie point being directly connected on circuit board.
2. Wireless charging coil according to claim 1, which is characterized in that the Wireless charging coil includes at least two circles Metal wire, is equipped with gap in at least two circles metal wire between adjacent two circles metal wires, equipped with non-conductive in the gap Material.
3. Wireless charging coil according to claim 2, which is characterized in that any one circle in at least two circles metal wire The upper surface of metal wire is in same plane.
4. Wireless charging coil according to claim 1, which is characterized in that the Wireless charging coil includes at least two circles Conducting wire, the conducting wire include the protective layer of metal wire and the package metal wire, and the protective layer uses non-conducting material, The upper surface of any one circle conducting wire is in same plane in at least two circles conducting wire.
5. Wireless charging coil according to claim 4, which is characterized in that two adjacent circles in at least two circles conducting wire Conductor spacing setting.
6. Wireless charging coil according to claim 4, which is characterized in that radius is the smallest in the Wireless charging coil One circle conducting wire surrounds a housing region, and first connecting pin is arranged in the housing region.
7. a kind of wireless charging component characterized by comprising
Wireless charging coil, the Wireless charging coil include the first connecting pin and second connection end, wherein first connection The centre of the Wireless charging coil is arranged in end, and the edge of the Wireless charging coil is arranged in the second connection end;
Circuit board, the circuit board include the first tie point and the second tie point that the circuit board surface is arranged in, and described One tie point is directly electrically connected with first connecting pin, and second tie point and the second connection end are electrically connected, First tie point and second tie point are for being electrically connected wireless charging circuit.
8. wireless charging component according to claim 7, which is characterized in that the circuit board further includes that surface is arranged in Insulating layer, the insulating layer centre are equipped with the first notch, are equipped with first tie point in first notch;
The circuit board further includes that intermediate wiring layer is arranged in, one end of the first cabling in the wiring layer and the notch The first interior tie point is electrically connected, and the nothing is electrically connected in the other end of first cabling and second tie point Line charging circuit.
9. wireless charging component according to claim 8, which is characterized in that the second notch is equipped among the insulating layer, Second tie point is equipped in second notch;
The wiring layer further includes the second cabling, the second tie point electricity in one end of second cabling and second notch Property connection, wireless charging circuit is electrically connected in the other end of first cabling and the second cabling other end.
10. wireless charging component according to claim 9, which is characterized in that first cabling includes first segment cabling With second segment cabling, the first segment cabling is projected in the Wireless charging coil the circuit board, the second segment Cabling is projected in outside the Wireless charging coil the circuit board, and the second segment cabling is adjacent with second cabling to be set It sets.
11. according to the described in any item wireless charging components of claim 8-10, which is characterized in that first cabling will be described Circuit board is divided at least two regions, further includes functional module on the circuit board, and the functional module includes multiple element, institute Multiple element is stated to be arranged in the same area.
12. wireless charging component according to claim 7, which is characterized in that first tie point is pad, described the One tie point and first connecting pin are welded to connect;
And/or
Second tie point is pad, and second tie point and the second connection end are welded to connect.
13. a kind of electronic equipment, which is characterized in that including shell and wireless charging component, the wireless charging component setting exists In the shell, the wireless charging component includes Wireless charging coil and circuit board;
The Wireless charging coil includes the first connecting pin and second connection end, wherein first connecting pin is arranged described The edge of the Wireless charging coil is arranged in the centre of Wireless charging coil, the second connection end;
The circuit board includes the first tie point and the second tie point that the circuit board surface is arranged in, first tie point It being directly electrically connected with first connecting pin, second tie point and the second connection end are electrically connected, and described first Tie point and second tie point are for being electrically connected wireless charging circuit.
14. electronic equipment according to claim 13, which is characterized in that the electronic equipment further includes battery, the nothing Line charge electrical component and the battery are electrically connected, and the wireless charging component is used to charge to the battery.
15. electronic equipment according to claim 13, which is characterized in that the electronic equipment further includes control module, institute It states control module and converts electric energy to electromagnetic energy for controlling the Wireless charging coil and launch.
CN201820904997.7U 2018-06-11 2018-06-11 Wireless charging coil, wireless charging component and electronic equipment Active CN208861803U (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201820904997.7U CN208861803U (en) 2018-06-11 2018-06-11 Wireless charging coil, wireless charging component and electronic equipment
PCT/CN2019/085500 WO2019237848A1 (en) 2018-06-11 2019-05-05 Wireless charging coil, wireless charging assembly and electronic device
EP19820525.4A EP3786988A4 (en) 2018-06-11 2019-05-05 Wireless charging coil, wireless charging assembly and electronic device
US17/098,836 US20210066963A1 (en) 2018-06-11 2020-11-16 Wireless Charging Coil, Wireless Charging Assembly, and Electronic Device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820904997.7U CN208861803U (en) 2018-06-11 2018-06-11 Wireless charging coil, wireless charging component and electronic equipment

Publications (1)

Publication Number Publication Date
CN208861803U true CN208861803U (en) 2019-05-14

Family

ID=66411706

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820904997.7U Active CN208861803U (en) 2018-06-11 2018-06-11 Wireless charging coil, wireless charging component and electronic equipment

Country Status (1)

Country Link
CN (1) CN208861803U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110267236A (en) * 2019-06-24 2019-09-20 奇点新源国际技术开发(北京)有限公司 A kind of wireless network Poewr control method and system based on Internet of Things
CN113394894A (en) * 2021-06-30 2021-09-14 上海电机学院 Winding structure of disk-type coreless permanent magnet motor and manufacturing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110267236A (en) * 2019-06-24 2019-09-20 奇点新源国际技术开发(北京)有限公司 A kind of wireless network Poewr control method and system based on Internet of Things
CN113394894A (en) * 2021-06-30 2021-09-14 上海电机学院 Winding structure of disk-type coreless permanent magnet motor and manufacturing method thereof

Similar Documents

Publication Publication Date Title
US11356145B2 (en) Wireless charging apparatus and method
CN104364968B (en) Dual-mode antenna printed circuit board (PCB), dual-mode antenna and the user terminal using the dual-mode antenna
CN101978746B (en) packaging and details of a wireless power device
US8378524B2 (en) Non-contact power transmission device
CN204696809U (en) Current-collecting device, power transmission device and power transmission system
CN103931078A (en) Wireless power repeater
CN104184217A (en) Induction coil for wireless electric energy transmission, manufacture method, and wireless charging system
KR20140021095A (en) Wireless power transmission apparatus of improving user's convenience for mobile device usage
US20210066963A1 (en) Wireless Charging Coil, Wireless Charging Assembly, and Electronic Device
WO2021082907A1 (en) Wireless charging system, charging cable, electronic device, and wireless charging method therefor
CN208861803U (en) Wireless charging coil, wireless charging component and electronic equipment
US11894694B2 (en) Wireless charging device and to-be-charged device
CN108092417A (en) A kind of wireless charging device and its control method
CN108923121A (en) NFC and wireless charging two-in-one antenna device and module and application method
KR102024015B1 (en) Wireless Power Transmission Apparatus of Improving User's Convenience for Mobile Device Usage
CN104935088B (en) The method to be charged using Non-contact Media Reader
US11011938B2 (en) Magnetic field adjusting three-dimensional flexible resonator for wireless power transmission system
KR20140066068A (en) The high efficiency wireless charger
CN110648831A (en) Wireless charging coil, wireless charging assembly and electronic equipment
CN110635581A (en) Foldable receiving and transmitting antenna of magnetic resonance coupling wireless power transmission system
KR20170125442A (en) Mobile communication device having RF wireless power transfer system including directional antenna
KR20140144656A (en) Wireless power transmitter,wireless power receiver, and wireless charging system
CN209488274U (en) Power supply device
KR20180057939A (en) Multi-mode antenna and wireless power receiver using the same
EP3048692B1 (en) Telescopic transmission cable device and mobile terminal

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant