CN208754007U - A kind of wireless charging device - Google Patents
A kind of wireless charging device Download PDFInfo
- Publication number
- CN208754007U CN208754007U CN201820919091.2U CN201820919091U CN208754007U CN 208754007 U CN208754007 U CN 208754007U CN 201820919091 U CN201820919091 U CN 201820919091U CN 208754007 U CN208754007 U CN 208754007U
- Authority
- CN
- China
- Prior art keywords
- mould group
- shell
- wireless charging
- conducting wire
- power
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of wireless charging devices, including power end mould group, conducting wire and transmitting terminal mould group, the power end mould group to be connected to the transmitting terminal mould group by the conducting wire；The transmitting terminal mould group includes capacitor and transmitting coil, and the conducting wire is by the capacitance connection in the transmitting coil.Power compensation is realized by adding capacitor in transmitting coil side, reduce the influence of skin effect when conducting wire passes through high-frequency alternating current, therefore the requirement to conducting wire is lower, it can meet demand using general conducting wire, without especially high, the more expensive multiply enameled wire of price or the flat narrowband of insulated metal using processing complexity.
Description
Technical field
The utility model relates to wireless charging technology more particularly to a kind of wireless charging devices.
Background technique
The technology of wireless charger is realized, is generally converted to high-frequency ac using direct current, and high-frequency ac electric drive is allowed to emit
Coil transmits alternating electromagnetism and the alternating current sensed then can be converted to direct current again and powered to receiving device to receiving coil.
But in practical application, since the usual thickness of wireless charger product is thicker, size is larger, use scope
Constraint is received, and can be made troubles to user, as user is easy to accidentally to push in daily life, be pressed onto, beat
Turn over wireless charger.
Application No. is 201410004299.8 to provide a kind of wireless charging transmitting device, by the way that one section of very long height is added
Frequency AC power line, connection wireless charging transmit circuit module and transmitting coil module, by wireless charging transmit circuit module with
Transmitting coil module spatially separates at a distance, and wireless charging transmit circuit module can be remotely from user's everyday exposure
Place；But implement its scheme and need to process complexity height, the more expensive high-frequency ac power transmission line of price such as high-frequency ac is transmitted electricity
Line, insulated metal are flat narrow.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of wireless charging device, to leading
The requirement of line is lower, using general conducting wire can meet demand, without especially using processing complexity it is high, price is more expensive
Multiply enameled wire or the flat narrowband of insulated metal.
The purpose of this utility model adopts the following technical scheme that realization:
A kind of wireless charging device, including power end mould group, conducting wire and transmitting terminal mould group, the power end mould group pass through institute
It states conducting wire and is connected to the transmitting terminal mould group；
The transmitting terminal mould group includes capacitor and transmitting coil, and the conducting wire is by the capacitance connection in the emission lines
Circle.
Further, the power end mould group includes AC conversion unit, and the AC conversion unit to described for leading
Line exports high-frequency alternating current.
Further, the power end mould group further includes built-in power, and the built-in power is connected to the exchange conversion
Unit, the AC conversion unit are used to the electric energy obtained from the built-in power being converted to high-frequency alternating current.
Further, the power end mould group further includes for being connected with external power source power interface, and the power supply connects
Mouth is connected to the AC conversion unit, and the AC conversion unit is for obtaining the external power supply connected from the power interface
Electric energy is taken, and the electric energy that will acquire is converted to high-frequency alternating current.
Further, the wireless charging device further includes first shell and second shell, and the power end mould group is located at
In the first shell, the transmitting terminal mould group is located in the second shell.
Further, the number of the second shell is multiple, and the number of the transmitting terminal mould group is equal to the second shell
The number of body, each transmitting terminal Mo Zu are located at respectively in corresponding second shell, and each transmitting terminal Mo Zu passes through the conducting wire respectively
It is connected to the power end mould group.
Further, the second shell is terminal support shell, terminal shell shell or wireless charging board shell.
Further, the size of the capacitor meets the following conditions: at the operating frequencies, the capacitor and the emission lines
Circle generates resonance.
Further, the power end mould group includes signal terminal, and the conducting wire includes signal wire, and the one of the signal wire
End is connected to the signal terminal, and the other end is connected to the transmitting terminal mould group.
Further, the power end mould group is USB interface.
Compared with prior art, the beneficial effect of the utility model embodiment is: by adding electricity in transmitting coil side
Hold and realize power compensation, reduces the influence of skin effect when conducting wire passes through high-frequency alternating current, therefore the requirement to conducting wire is lower,
Using general conducting wire can meet demand, without especially using processing complexity it is high, the more expensive multiply enameled wire of price or
The flat narrowband of insulated metal.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the wireless charging device that the utility model embodiment one provides；
Fig. 2 is the structural schematic diagram of Fig. 1 power end mould group；
Fig. 3 is the structural schematic diagram for the wireless charging device that the utility model embodiment two provides.
In figure: 110, power end mould group；111, AC conversion unit；112, built-in power；113, signal terminal；120, it leads
Line；121, signal wire；130, transmitting terminal mould group；131, capacitor；132, transmitting coil；10, first shell；20, second shell.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
Embodiment one
Such as the structural schematic diagram that Fig. 1 is a kind of wireless charging device.
Wireless charging device, including power end mould group 110, conducting wire 120 and transmitting terminal mould group 130, power end mould group 110 are logical
It crosses conducting wire 120 and is connected to transmitting terminal mould group 130；Transmitting terminal mould group 130 includes capacitor 131 and transmitting coil 132, and conducting wire 120 is logical
It crosses capacitor 131 and is connected to transmitting coil 132.
Power end mould group 110 is used for through conducting wire 120 by high-frequency alternating current, such as the alternating current transmission of 22kHz, 13.56kHz
To transmitting terminal mould group 130, the transmitting coil 132 in transmitting terminal mould group 130 can generate electromagnetic field when passing through high-frequency alternating current, issue
Wireless energy.When transmitting coil 132 is coupled with the receiving coil of another equipment, which can be such that receiving coil incudes
Voltage out, to provide electric energy for another equipment.
As preferred embodiment, capacitor 131 is connected to the both ends of transmitting coil 132, i.e., simultaneously with transmitting coil 132
Connection, realizes the effect of power compensation.
As preferred embodiment, the size of capacitor 131 meets the following conditions: at the operating frequencies, capacitor 131 and hair
Ray circle 132 generates resonance.Working frequency can be using 22kHz, 13.56kHz etc.；Capacitor 131 is in parallel with transmitting coil 132
When, the size of capacitor 131 meets:
Wherein, f0Indicate working frequency, L indicates the inductance size of transmitting coil 132, and C indicates the size of capacitor 131.
Wireless charging device provided by the embodiment of the utility model, it is real by adding capacitor 131 in 132 side of transmitting coil
Existing power compensation, reduces the influence of skin effect when conducting wire 120 passes through high-frequency alternating current, therefore the utility model embodiment mentions
Requirement of the wireless charging device of confession to conducting wire 120 is lower, using general conducting wire 120 can meet demand, without special
High, the more expensive multiply enameled wire of price or the flat narrowband of insulated metal using processing complexity.
As preferred embodiment, the length of conducting wire 120 is greater than 5 centimetres, therefore power end mould group 110 and transmitting terminal
Appropriately distance can be kept between mould group 130, be respectively placed in different places.Due to 130 monomer volume of transmitting terminal mould group
Smaller, especially therefore thinner thickness very easily can place or be implanted to desktop, mobile phone shell, in handset bracket, and power supply
End mould group 110 can be placed on suitable position remotely or be connected to power supply remotely.
As preferred embodiment, as shown in Fig. 2, power end mould group 110 includes AC conversion unit 111, exchange turns
It changes unit 111 and exports high-frequency alternating current for guiding line 120.AC conversion unit 111 can be achieved by the prior art, such as logical
The wireless charging chip etc. of Qi standard is crossed, therefore not to repeat here.
As shown in Fig. 2, in the present embodiment, power end mould group 110 further includes built-in power 112, built-in power 112 is connected
In AC conversion unit 111, AC conversion unit 111 is used to the electric energy obtained from built-in power 112 being converted to high-frequency ac
Electricity.Built-in power 112 can be lithium battery, and settable corresponding interface, to charge from outside.
In another embodiment, power end mould group 110 further includes that (figure is not for being connected with external power source power interface
Show), power interface is connected to AC conversion unit 111, and AC conversion unit 111 is used for the external electrical that will be connected from power interface
Source obtains electric energy, and the electric energy that will acquire is converted to high-frequency alternating current.External power supply can be alternating current, mobile power source, solar-electricity
Pond etc..
As preferred embodiment, wireless charging device further includes first shell 10 and second shell 20, power end mould
Group 110 is located in first shell 10, and transmitting terminal mould group 130 is located in second shell 20.
As preferred embodiment, second shell 20 is terminal support shell, terminal shell shell or wireless charging board
Shell；Terminal can be mobile phone, plate, game machine, MP4, learning machine etc..That is the form of 130 side of transmitting terminal mould group can be
Terminal support, terminal shell or wireless charging board.
As the further improvement of the utility model embodiment, as shown in Fig. 2, the number of second shell 20 is multiple, hair
The number for penetrating end mould group 130 is equal to the number of second shell 20, and each transmitting terminal mould group 130 is located at corresponding second shell 20
It is interior, and each transmitting terminal mould group 130 is connected to power end mould group 110 by conducting wire 120 respectively.
Therefore, each transmitting terminal mould group 130 can be placed on different positions, such as place in the different location of same desktop more
A transmitting terminal mould group 130, or a transmitting terminal mould group 130 is placed respectively in desktop, sofa, the head of a bed, so as to respectively or same
When to different terminal provide wireless charging service.It is each to send out when power end mould group 110 has high-frequency alternating current output interface all the way
The output interface can be uniformly connected to by conducting wire 120 by penetrating end mould group 130；Power end mould group 110 is exchanged with Multi-channel high-frequency
When electricity output interface, each transmitting terminal mould group 130 can be united by conducting wire 120 and be connected respectively to output interface all the way
Embodiment two
Wireless charging device as shown in Figure 3, including power end mould group 110, conducting wire 120 and transmitting terminal mould group 130, electricity
Source mould group 110 is connected to transmitting terminal mould group 130 by conducting wire 120；Transmitting terminal mould group 130 includes capacitor 131 and transmitting coil
132, conducting wire 120 is connected to transmitting coil 132 by capacitor 131.
In the present embodiment, power end mould group 110 is USB interface, can connect and provides dress in external high-frequency alternating current
Set, provide device from the high-frequency alternating current and obtain high-frequency alternating current, and by conducting wire 120 by high-frequency alternating current, as 22kHz,
For the alternating current transmission of 13.56kHz to transmitting terminal mould group 130, the transmitting coil 132 in transmitting terminal mould group 130 passes through high-frequency ac
Electromagnetic field can be generated when electric, issue wireless energy.
As preferred embodiment, power end mould group 110 includes signal terminal 113, and conducting wire 120 includes signal wire 121,
One end of signal wire 121 is connected to signal terminal 113, and the other end is connected to transmitting terminal mould group 130；It can cooperate corresponding wireless
Charging chip realizes load detecting, Charge Management and the function of communicating by receiving coil with another equipment.
As preferred embodiment, when power end mould group 110 is USB interface, signal terminal 113 is USB interface
One pin.
In another embodiment, power end mould group 110 includes AC conversion unit 111, the AC conversion unit 111 packet
Signal terminal 113 is included, signal wire 121 is connected on the signal terminal 113.
Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to
In the utility model range claimed.
Claims (10)
1. a kind of wireless charging device, it is characterised in that: including power end mould group, conducting wire and transmitting terminal mould group, the power end
Mould group is connected to the transmitting terminal mould group by the conducting wire；
The transmitting terminal mould group includes capacitor and transmitting coil, and the conducting wire is by the capacitance connection in the transmitting coil；
The capacitance connection is in the both ends of the transmitting coil.
2. wireless charging device as described in claim 1, it is characterised in that: the power end mould group includes that exchange conversion is single
Member, the AC conversion unit are used to export high-frequency alternating current to the conducting wire.
3. wireless charging device as claimed in claim 2, it is characterised in that: the power end mould group further includes built-in power,
The built-in power is connected to the AC conversion unit, and the AC conversion unit is used to obtain from the built-in power
Electric energy is converted to high-frequency alternating current.
4. wireless charging device as claimed in claim 2, it is characterised in that: the power end mould group further include for outside
The power interface of power supply connection, the power interface are connected to the AC conversion unit, and the AC conversion unit is used for will
The external power supply connected from the power interface obtains electric energy, and the electric energy that will acquire is converted to high-frequency alternating current.
5. wireless charging device as described in claim 1, it is characterised in that: it further include first shell and second shell, it is described
Power end mould group is located in the first shell, and the transmitting terminal mould group is located in the second shell.
6. wireless charging device as claimed in claim 5, it is characterised in that: the number of the second shell be it is multiple, it is described
The number of transmitting terminal mould group is equal to the number of the second shell, and each transmitting terminal Mo Zu is located at respectively in corresponding second shell,
And each transmitting terminal Mo Zu is connected to the power end mould group by the conducting wire respectively.
7. such as wireless charging device described in claim 5 or 6, it is characterised in that: the second shell be terminal support shell,
Terminal shell shell or wireless charging board shell.
8. the size of the capacitor meets the following conditions: in work such as wireless charging device of any of claims 1-6
Under working frequency, the capacitor and the transmitting coil generate resonance.
9. such as wireless charging device of any of claims 1-6, it is characterised in that: the power end mould group includes letter
Number terminal, the conducting wire includes signal wire, and one end of the signal wire is connected to the signal terminal, and the other end is connected to described
Transmitting terminal mould group.
10. wireless charging device as claimed in claim 9, it is characterised in that: the power end mould group is USB interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820919091.2U CN208754007U (en) | 2018-06-13 | 2018-06-13 | A kind of wireless charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820919091.2U CN208754007U (en) | 2018-06-13 | 2018-06-13 | A kind of wireless charging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208754007U true CN208754007U (en) | 2019-04-16 |
Family
ID=66052749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820919091.2U Expired - Fee Related CN208754007U (en) | 2018-06-13 | 2018-06-13 | A kind of wireless charging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208754007U (en) |
-
2018
- 2018-06-13 CN CN201820919091.2U patent/CN208754007U/en not_active Expired - Fee Related
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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: 20190416 Termination date: 20200613 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |