CN206727695U - A kind of non-contact type wireless charging equipment for mobile phone - Google Patents
A kind of non-contact type wireless charging equipment for mobile phone Download PDFInfo
- Publication number
- CN206727695U CN206727695U CN201720600590.0U CN201720600590U CN206727695U CN 206727695 U CN206727695 U CN 206727695U CN 201720600590 U CN201720600590 U CN 201720600590U CN 206727695 U CN206727695 U CN 206727695U
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- China
- Prior art keywords
- wireless
- wireless charging
- charging
- mobile phone
- coil
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
It the utility model is related to a kind of non-contact type wireless charging equipment for mobile phone, including wireless phone charging shell and the wireless transmitting terminals connected by wireless power transmission technology；Wireless phone charging shell include housing, housing with an opening it is interior with wireless charging receiver is provided with accommodating chamber, accommodating chamber and be connected with the output end of the wireless charging receiver can push-and-pull charging connector, can push-and-pull charging connector include metab and the plug that is connected with the metab, metab is engaged to form a complete leg with the opening of the housing；Wireless transmitting terminals include shell and the wireless charging emitter in the shell, and wireless charging emitter includes the magnetic coupling resonance module of the power conversion module being connected and transmitting coil and intensifier coil composition.The utility model solves that mobile phone wireless charge efficiency is low and chargeable range is small, and at present mobile phone wireless charging universality difference the problem of.
Description
Technical field
It the utility model is related to a kind of wireless charging device, and in particular to a kind of non-contact type wireless charging equipment for mobile phone.
Background technology
The most common charging modes of mobile phone are wired chargings at present, and more fashionable is the wireless charging of contact.And this
Two kinds of technologies compared to our wireless charging for, the space used is limited to by line；Contact wireless charging, though one
Determine to provide convenience in degree, but require to configure coil and charging equipment in interior of mobile phone, therefore can't popularize at home
Promote；The scheme that current phone wireless charging is taken is by two coils (being respectively transmitting coil and receiving coil) electromagnetism mostly
The mode of sensing carries out radio energy-transmitting, and receiving coil is positioned over interior of mobile phone, but the size of mobile phone limits receiving coil
Radius and the number of turn, cause the coefficient of coup between two coils smaller, only could improve mobile phone face and contact wireless charger
Energy transfer efficiency.And in view of do not configure receiving coil in general mobile phone in the market, to realize wireless charging function, also
Secondary operation need to be carried out to mobile phone, which results in the universality of current mobile phone wireless charging is poor.
Wireless charging mobile phone housing apparatus solves these problems just, as long as providing transmitting terminal, it is possible to larger at one
Spatial dimension in carry out wireless charging, and can realize that one-to-many (i.e. a transmitting terminal carries out biography to multiple receiving terminals to fill
Electricity) charging.Just at present, the problem of wireless charging mobile phone housing apparatus needs to worry is exactly that its efficiency is unstable, one-to-many to fill
Electricity can decline single mobile phone charge efficiency, far can also decline efficiency very much from transmitting terminal, improve the improvement of stabilised efficiency charging
Method needs further to be studied.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of non-contact type wireless charging equipment for mobile phone, to solve
Mobile phone wireless charge efficiency is low and chargeable range is small, and the problem of current mobile phone wireless charging universality difference.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：
A kind of non-contact type wireless charging equipment for mobile phone, including wireless phone charging shell and pass through wireless power transmission skill
The wireless transmitting terminals of art connection；
It is interior with accommodating chamber, the receiving that the wireless phone charging shell includes the housing with an opening, the housing
Intracavitary be provided with wireless charging receiver and be connected with the output end of the wireless charging receiver can push-and-pull charging
Joint, it is described can push-and-pull charging connector include metab and the plug that is connected with the metab, the metab
It is engaged to form a complete leg with the opening of the housing；
The wireless transmitting terminals include shell and the wireless charging emitter in the shell, the wireless charging
Electric emitter includes the magnetic coupling resonance module of the power conversion module being connected and transmitting coil and intensifier coil composition.
The beneficial effects of the utility model are：(it is more than by improving medium and long distance in the intensifier coil of wireless transmitting terminals
10cm) the efficiency of radio energy-transmitting, while wireless charging receiver and mobile phone shell are combined into one by the utility model, are reduced into
This, solves the problems, such as current mobile phone wireless charging universality difference.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement.
Further, the plug is USB plug or Lighting plugs.
Further, the wireless charging receiver includes the wireless charging receiving coil component being connected and charging mould
Block.
Further, the wireless charging receiving coil component includes series resonant capacitance and receiving coil.
Further, the transmitting coil receives line with the magnetic coupling resonance module of intensifier coil composition and the wireless charging
Coil assembly forms three-winding radio energy-transmitting structure, and the transmitting coil is coaxial with intensifier coil and is generally aligned in the same plane.
It is using the above-mentioned further beneficial effect of scheme：The medium and long distance that the module realizes electric energy efficiently wirelessly passes
It is defeated, it is convenient to the placement and transport of transmitting terminal.
Brief description of the drawings
Fig. 1 is the utility model wireless phone charging shell front view；
Fig. 2 is the utility model wireless phone charging shell stereogram；
Fig. 3 is the utility model wireless transmitting terminals front view；
Fig. 4 is the utility model wireless transmitting terminals stereogram.
In figure, the list of parts representated by each label is as follows：
1st, charging module, 2, wireless charging receiving coil component, 3, can push-and-pull charging connector, 4, housing, 5, power conversion
Module, 6, the magnetic coupling resonance module of transmitting coil and intensifier coil composition, 7, shell, 8, accommodating chamber.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
The scheme that current phone wireless charging is taken is by two coils (being respectively transmitting coil and receiving coil) mostly
The mode of electromagnetic induction carries out radio energy-transmitting, and receiving coil is positioned over interior of mobile phone, but the size of mobile phone limits reception line
The radius and the number of turn of circle, cause the coefficient of coup between two coils smaller, only by mobile phone face and contact wireless charger ability
Improve energy transfer efficiency.And in view of receiving coil is not configured in general mobile phone in the market, to realize wireless charging electric work
Can, also need to carry out secondary operation to mobile phone, which results in the universality of current mobile phone wireless charging is poor.
To be filled as shown in figure 1, the utility model proposes a kind of non-contact type wireless charging equipment for mobile phone, including wireless phone
Electric shell and the wireless transmitting terminals connected by wireless power transmission technology；Wireless phone charging shell includes the shell with an opening
There is in body 4, housing 4 accommodating chamber 8, be provided with wireless charging receiver and and wireless charging receiver in accommodating chamber 8
Output end connection can push-and-pull charging connector 3, can push-and-pull charging connector include metab and with the metab connect
The plug connect, metab are engaged to form a complete leg with the opening of housing.
Wireless charging receiver includes：The wireless charging receiving coil component 2 and charging module 1 being connected.Wherein, nothing
Micro USB electricity receiving coil component 2 includes series resonant capacitance and receiving coil, coil radius and the number of turn according to mobile phone shell model not
Change together, effect is to receive the energy passed over from transmitting terminal, and gives electric current to charging module 1, and charging module 1 includes
The rectification circuit and charging circuit being connected, the AC rectification in coil is direct current by rectification circuit, and is delivered this to
Charging circuit, unstable DC conversion is the standard direct current of mobile phone by charging circuit, and direct current is conveyed into charging
Joint, mobile phone charge port is pushed it into during charging, mobile phone charge port can be extracted when not charging.
Wireless transmitting terminals include shell 7, the wireless charging emitter in shell 7.Wireless charging emitter bag
Include：The power conversion module 5 and transmitting coil that are connected and the magnetic coupling resonance module 6 of intensifier coil composition, and the module 6 with
Wireless charging receiving coil component 2 collectively constitutes three-winding radio energy-transmitting structure, is improvement part of the present utility model.Tradition meaning
Three-winding structure in justice, it is that three coaxial coils are parallel to each other and respectively in three different planes, is hair respectively
Ray circle, repeating coil and receiving coil.In the utility model, centrally located repeating coil is put with transmitting coil
It is placed on same plane, and overlaps its center of circle, repeating coil radius is about transmitting coil radius twice, and we are by such a structure
Repeating coil be named as " intensifier coil ".Three-winding carries out radio energy-transmitting by the principle of magnetic coupling resonance.The three-winding knot
Structure improves the coefficient of coup between coil so that user range transmission end farther out in the case of still keep higher charging effect
Rate.
Wherein, the function of power conversion module 5 is that industrial-frequency alternating current is converted to the alternating current for meeting amplitude frequency requirement,
Transmitting coil and the function of the magnetic coupling resonance module 6 of intensifier coil composition are that energy is delivered into nothing by magnetic-coupled mode
The receiving coil component of line mobile phone charging shell, and rectification adds the function of mobile phone charging module to be by friendship resulting on receiving coil
The direct current that stream electricity is converted to constant power output charges for mobile phone.
Power conversion module 5 and charging module 1, all it is for electricity well known to those skilled in the art in the utility model
Road, for current processing to be controlled into the normalized current to be charged available for mobile phone, while to mobile phone charging process.Due to this
The circuit of sample is well known to those skilled in the art, so being repeated no more herein for the concrete structure of this circuit.
Plug is USB plug or Lighting plugs, to correspond to USB charge ports or the Lighting that most of mobile phones possess
Charge port.Certainly, for different electronic equipments, out splice going splice can be the corresponding with the charge port of electronic equipment of other forms
Joint.
In use, by mobile phone be positioned over wireless phone charging shell accommodating chamber 8 in, can push-and-pull charging connector 3 with
The charging inlet connection of mobile phone, wireless charging receiver receive the magnetic field that transmitting terminal is sent, wireless charging receiving coil component 2
Into in magnetic field range caused by power transmission coil, under the influence of a magnetic field, the magnetic field received is changed into electric energy, coil produces
Electric current.Electric current inputs charging module 1, is rectified processing of circuit into after the normalized current to be charged available for mobile phone, by can push-and-pull
The plug of charging connector 3 is transferred to mobile phone so as to be charged for mobile phone.
Specific implementation process of the present utility model is：Industrial-frequency alternating current is converted into the exchange of required voltage by transformer
Electricity；By rectification circuit, alternating current is changed into direct current using the one-way conduction of commutation diode；Now, rectification comes out
Direct current by mu balanced circuit, obtain the direct current of voltage constant；Then, the switching characteristic of inverter circuit mos pipes is recycled,
By the alternating current that DC inverter is required frequency, transmitting coil is delivered this to；After transmitting coil obtains alternating current, change
Electric field will produce the magnetic field of change, be acted on by magnetic coupling, and the magnetic field of this change produces change on intensifier coil again
Electric field, electric current is produced on intensifier coil；Caused electric current acts on again by magnetic coupling on intensifier coil, by same
Mode produces the electric current of change on receiving coil；Alternating current on receiving coil is converted to direct current by rectification circuit again；
This direct current is converted to the direct current for meeting charging requirement using lithium battery charging circuit, to charging mobile phone battery.
Embodiment 1
The utility model wireless transmitting terminals include shell 7 and the wireless charging emitter in the shell 7, institute
Wireless charging emitter is stated to be total to including the magnetic coupling that the power conversion module 5 being connected and transmitting coil form with intensifier coil
Module of shaking 6.Power conversion module 5 is ac-dc-ac transform module, and civil power is by ac-dc-ac transform module through transformer transformation
By rectification circuit by convert alternating current it is direct current after 40V alternating currents, through mu balanced circuit by DC voltage stability in 40V, most
By the ac square wave that inverter circuit inversion is 40V, 85kHz.Its ac frequency and voltage are variable, but from efficiency and energy
From the point of view of saving, take 40V, 85kHz more suitable.The module directly can reach same effect with DC source and inverter circuit
Fruit.The module is same as the prior art.
Secondly, three-winding magnetic coupling resonance is technological core, and the high-effect long distance for realizing electric energy is wirelessly transferred.By three
Coil is formed：Transmitting coil, intensifier coil and receiving coil.Wherein transmitting coil is coaxial with intensifier coil and positioned at same flat
Face.Each coil parameter is：Transmitting coil mean radius is 8cm, the number of turn 20；Intensifier coil mean radius is 16cm, and the number of turn is
24；Receiving coil mean radius is 3cm, the number of turn 12.Each coil need to be respectively configured resonant capacitance, three-winding resonant frequency with it is defeated
It is identical (the utility model is arranged to 85kHz) to enter ac frequency, ensure that system effectiveness obtains at efficiency curve maximum.
Three-winding magnetic coupling resonance modular structure is optional.The characteristics of intensifier coil is：Intensifier coil is with transmitting coil positioned at same
In plane, the placement and transport of transmitting terminal are convenient to.It is that we tie but intensifier coil is a kind of special construction of repeating coil
Close and resulting optimal case is considered to practical and efficiency.Repeating coil may be located in transmitting coil and receiving coil
Between optional position, repeating coil can also turn to the structure of " 8 " font with transmitting coil.But no matter which kind of repeating coil is
Structure, whole implementation process is all as intensifier coil.
It is interior with accommodating chamber 8, appearance that wireless phone charging shell of the present utility model includes the housing 4 with an opening, housing 4
Receive be provided with wireless charging receiver in chamber 8 and be connected with the output end of wireless charging receiver can push-and-pull charging
First 3, can push-and-pull charging connector include metab and the plug that is connected with the metab, metab and housing are opened
Mouth is engaged to form a complete leg.
Wireless charging receiver includes：The wireless charging receiving coil component 2 and charging module 1 being connected；Wherein, fill
Electric module utilizes simplest full bridge rectifier and mobile phone charging module general on the market, realizes that the electric energy transmitted is
The function of mobile phone charging.Wherein, the model SS34 of the commutation diode in full bridge rectifier；Mobile phone charging module uses lithium
Battery charger.As long as meet on the premise of battery charging is not injured, the constantly work(to charging mobile phone battery can be stablized
Energy.
The beneficial effects of the utility model are：The utility model improves radio energy-transmitting efficiency first.In former two coil arrays
Intensifier coil is added in system, because coil has a higher quality factor in itself, the coefficient of coup between coil is also improved, and
The coefficient of coup is closely related between the quality factor and coil of system effectiveness and coil, and therefore, the three-winding passes energy structure significantly
Improve the efficiency of radio energy-transmitting.
Secondly, wireless charging receiving terminal and mobile phone shell are combined into one by the utility model, save mobile phone secondary operation
Process, the secondary operation of mobile phone shell is transformed into, so just makes processing simpler quick, damage caused by due to maloperation
Mistake also can be much smaller, and factory need not produce mobile phone, reduce cost, solves current mobile phone wireless charging universality difference
Problem.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (5)
1. a kind of non-contact type wireless charging equipment for mobile phone, it is characterised in that including wireless phone charging shell and by wireless
The wireless transmitting terminals of electric energy transmission technology connection；
It is interior with accommodating chamber, the accommodating chamber that the wireless phone charging shell includes the housing with an opening, the housing
Be provided with wireless charging receiver and be connected with the output end of the wireless charging receiver can push-and-pull charging connector,
It is described can push-and-pull charging connector include metab and the plug that is connected with the metab, the metab with it is described
The opening of housing is engaged to form a complete leg；
The wireless transmitting terminals include shell and the wireless charging emitter in the shell, the wireless charging hair
Injection device includes the magnetic coupling resonance module of the power conversion module being connected and transmitting coil and intensifier coil composition.
2. non-contact type wireless charging equipment for mobile phone according to claim 1, it is characterised in that the plug is inserted for USB
Head or Lighting plugs.
3. non-contact type wireless charging equipment for mobile phone according to claim 1, it is characterised in that the wireless charging receives
Device includes the wireless charging receiving coil component and charging module being connected.
4. non-contact type wireless charging equipment for mobile phone according to claim 3, it is characterised in that the wireless charging receives
Coil block includes series resonant capacitance and receiving coil.
5. non-contact type wireless charging equipment for mobile phone according to claim 4, it is characterised in that the transmitting coil is with increasing
The magnetic coupling resonance module and wireless charging receiving coil component composition three-winding radio energy-transmitting structure of strong coil composition, institute
It is coaxial with intensifier coil and be generally aligned in the same plane to state transmitting coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600590.0U CN206727695U (en) | 2017-05-26 | 2017-05-26 | A kind of non-contact type wireless charging equipment for mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600590.0U CN206727695U (en) | 2017-05-26 | 2017-05-26 | A kind of non-contact type wireless charging equipment for mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206727695U true CN206727695U (en) | 2017-12-08 |
Family
ID=60511324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720600590.0U Expired - Fee Related CN206727695U (en) | 2017-05-26 | 2017-05-26 | A kind of non-contact type wireless charging equipment for mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206727695U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980794A (en) * | 2017-12-14 | 2019-07-05 | 北京小米移动软件有限公司 | Wireless charging device |
| CN112583133A (en) * | 2020-11-30 | 2021-03-30 | 杭州电子科技大学 | Underwater pluggable coupler and coupling method |
| CN116438713A (en) * | 2020-11-20 | 2023-07-14 | 歌尔股份有限公司 | Charging housing for wireless device and electronic apparatus |
-
2017
- 2017-05-26 CN CN201720600590.0U patent/CN206727695U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980794A (en) * | 2017-12-14 | 2019-07-05 | 北京小米移动软件有限公司 | Wireless charging device |
| CN109980794B (en) * | 2017-12-14 | 2021-09-21 | 北京小米移动软件有限公司 | Wireless charging device |
| CN116438713A (en) * | 2020-11-20 | 2023-07-14 | 歌尔股份有限公司 | Charging housing for wireless device and electronic apparatus |
| CN112583133A (en) * | 2020-11-30 | 2021-03-30 | 杭州电子科技大学 | Underwater pluggable coupler and coupling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171208 Termination date: 20190526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |