CN208316375U - The wireless charger that exchange input suitable for day electronic product is efficiently charged - Google Patents
The wireless charger that exchange input suitable for day electronic product is efficiently charged Download PDFInfo
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- CN208316375U CN208316375U CN201820610902.0U CN201820610902U CN208316375U CN 208316375 U CN208316375 U CN 208316375U CN 201820610902 U CN201820610902 U CN 201820610902U CN 208316375 U CN208316375 U CN 208316375U
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Abstract
A kind of wireless charger that the exchange input suitable for day electronic product is efficiently charged, including wireless charging transmitting terminal and wireless charging receiving terminal, the first resonant capacitance C1 is parallel on the transmitting end-coil, the value for adjusting the first resonant capacitance C1 makes the resonance frequency point of the transmitting end-coil close to the maximum frequency point of the transmitting end-coil；It is parallel with the second resonant capacitance C2 on the reception end-coil, adjusts the value of the second resonant capacitance C2, keeps the maximum frequency point of the resonance frequency point for receiving end-coil and the transmitting end-coil of substantially equal.The utility model has small, the advantage that charging current is big and the charging time is short of charging fever.It can be widely applied to electric toothbrush, on cosmetology device.
Description
Technical field
The utility model relates to a kind of wireless chargers that the exchange input suitable for day electronic product is efficiently charged.
Background technique
Wireless charger mainly uses electromagnetic induction principle, carries out energy coupling by coil to realize energy transmission
Device.Input terminal or uses direct current by the rectified circuit transformations of electric main at direct current when the transmitting terminal work of wireless charger
For power supply directly as power supply, the direct current exported after power management module is converted into high-frequency ac by higher-order of oscillation inversion
Electricity supply primary coil；The receiving end of wireless charger couples energy by secondary coil, and the electric current of secondary coil output is through connecing
Direct current is changing by conversion circuit as battery charging.
Existing wireless charger mostly uses greatly exchange RCC self-oscillation mode to carry out wireless charging output, exists and fills
Electricity fever is big, the defect that charging current is low and the charging time is long.
Utility model content
In order to overcome the above problem, the utility model provides that charging fever is small, and it is suitable that charging current is big and the charging time is short
The wireless charger that exchange input for day electronic product is efficiently charged.
The technical solution of the utility model is: providing a kind of exchange input suitable for day electronic product and efficiently charges
Wireless charger, including wireless charging transmitting terminal and wireless charging receiving terminal, the wireless charging transmitting terminal include AC/DC decompression
Scheduled alternating voltage step-down rectifier is scheduled DC voltage by rectification module, and clapp oscillator, the clapp oscillator will
Direct current becomes high-frequency alternating current, emits end-coil, the transmitting end-coil by high-frequency alternating current with changing magnetic field radiate to
Wireless charging receiving terminal；Wireless charging receiving terminal includes receiving end-coil, the magnetic field of induced emission end-coil, and generate high frequency friendship
Galvanic electricity, AC/DC rectification module become the direct current of the second predetermined voltage for the high-frequency alternating current that end-coil generates is received, to can fill
Battery charging；It is parallel with the first resonant capacitance C1 on the transmitting end-coil, adjusts the value of the first resonant capacitance C1, makes institute
The resonance frequency point of transmitting end-coil is stated close to the maximum frequency point of the transmitting end-coil；Is parallel on the reception end-coil
Two resonant capacitance C2 adjust the value of the second resonant capacitance C2, make the resonance frequency point and the transmitting end line for receiving end-coil
The maximum frequency point of circle is of substantially equal.
As the improvement to the utility model, the wireless charging transmitting terminal includes pedestal, the AC/DC step-down rectifier mould
Block, clapp oscillator and transmitting end-coil are located in pedestal, and the transmitting end-coil includes transmitting terminal coil rack, transmitting coil
It haves mercy on the outer wall of the transmitting terminal coil rack, is equipped with one in the transmitting terminal coil rack and protrudes from the transmitting terminal
The magnetic core of coil rack；The reception end-coil includes receiving end coil rack, and receiving coil is had mercy in the reception end-coil bone
On the outer wall of frame, the receiving end coil rack covers on the magnetic core.
As the improvement to the utility model, the alternating voltage of the predetermined voltage is 90 volts to 240 volts.
As the improvement to the utility model, the scheduled DC voltage is 10 volts to 14 volts.
Alternating current is first converted to direct current due to using by the utility model, reuses the resonant mode close to highest frequency point
Wireless output and wireless receiving have small, the advantage that charging current is big and the charging time is short of charging fever.It can be widely applied to electricity
On dynamic toothbrush, cosmetology device.
Detailed description of the invention
Fig. 1 is the utility model circuit theory frame structure schematic diagram.
Fig. 2 is the structural schematic diagram of the utility model plane.
Fig. 3 is schematic diagram of application structure of the embodiment illustrated in fig. 2 in electric toothbrush.
Specific embodiment
In the description of the present invention, it should be understood that "center" in term, "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
State the utility model and simplify description, rather than the device or component of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second "
It is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connection ", " connected " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to dismantling connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, be also possible to indirectly connected through an intermediary,
It can be the connection of two component internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Referring to Figure 1, what Fig. 1 was disclosed is a kind of wireless charging that the exchange input suitable for day electronic product is efficiently charged
Electric appliance, including wireless charging transmitting terminal 1 and wireless charging receiving terminal 2, the wireless charging transmitting terminal 1 include that AC/DC decompression is whole
Scheduled alternating voltage step-down rectifier is scheduled DC voltage, clapp oscillator 12, the clapp oscillator by flow module 11
Direct current is become high-frequency alternating current by 12, emits end-coil 13, the magnetic that the transmitting end-coil 13 changes high-frequency alternating current
Field radiation is to wireless charging receiving terminal 2；Wireless charging receiving terminal 2 includes receiving end-coil 21, the magnetic of induced emission end-coil 13
, and high-frequency alternating current is generated, AC/DC rectification module 22, which will receive the high-frequency alternating current that end-coil 21 generates and become second, to be made a reservation for
The direct current of voltage, to rechargeable battery charging 23；It is parallel with the first resonant capacitance C1 on the transmitting end-coil 13, adjusts
The value of first resonant capacitance C1 makes the resonance frequency point of the transmitting end-coil 13 close to the maximum frequency of the transmitting end-coil 13
Point；It is parallel with the second resonant capacitance C2 on the reception end-coil 21, adjusts the value of the second resonant capacitance C2, makes the reception
The resonance frequency point of end-coil 21 and the maximum frequency point of the transmitting end-coil 13 are of substantially equal, if maximum frequency point is 133KHz, then
The value of the second resonant capacitance C2 of the value of adjustable first resonant capacitance C1 and adjustment make the transmitting end-coil 13 frequency point and
In the range of the resonance frequency point to 131-132.8KHz for receiving end-coil 21.
Referring to Fig. 2 and Fig. 3, the wireless charging transmitting terminal 1 includes pedestal 14, the AC/DC step-down rectifier module 11,
Clapp oscillator 12 and transmitting end-coil 13 are located in pedestal 14, and the transmitting end-coil 13 includes transmitting terminal coil rack 131,
Transmitting coil 132 is had mercy on the outer wall of the transmitting terminal coil rack 131, and one is equipped in the transmitting terminal coil rack 131
Root protrudes from the magnetic core 133 of the transmitting terminal coil rack 131；The reception end-coil 21 includes receiving end coil rack 211,
Receiving coil 212 is had mercy on the outer wall of the receiving end coil rack 211, and 211 sets of the receiving end coil rack is in the magnetic
On core 133.
As the improvement to the utility model, the alternating voltage of the predetermined voltage is 90 volts to 240 volts.
As the improvement to the utility model, the scheduled DC voltage is 10 volts to 14 volts.
Following table is the effect comparison table of time when filling of the utility model and common electric toothbrush.
| Kind | Charging voltage (exchange) | Charging capacity (MHA) | Charging time (hour) |
| The adult rechargeable sound wave automatic tooth-brush fur intelligent toothbrush household waterproof lovers' money of lark electric toothbrush | 220 volts | 800 | 16 |
| Philip electric toothbrush HX9924/HX9954 adult's money acoustic wave vibrations intelligence diamond tooth-brush series | 220 volts | 800 | 24 |
| Using the electric toothbrush of the utility model | 220 volts | 800 | 4 |
As can be seen from the above table, using the electric toothbrush of the utility model wireless charger and lark electric toothbrush, winged benefit
Pu electric toothbrush is compared, and using same voltage, is charged to same capacitance, the utility model only needs 4 hours, and lark is electric
Dynamic toothbrush needs 16 hours, and Philip electric toothbrush needs 24 hours, illustrates that the utility model charging rate is fast.In addition, this reality
It is not generated heat substantially with novel in charging, and when lark electric toothbrush and Philip electric toothbrush charging, there is fever phenomenon production
It is raw.
Alternating current is first converted to direct current due to using by the utility model, reuses the resonant mode close to highest frequency point
Wireless output and wireless receiving have small, the advantage that charging current is big and the charging time is short of charging fever.It can be widely applied to electricity
On dynamic toothbrush, cosmetology device.
It should be noted that being explained in detail for the respective embodiments described above, purpose be only that the utility model into
Row explain, in order to be able to preferably explanation the utility model, still, these description cannot with any explanation at be to this
The limitation of utility model, in particular, each feature described in various embodiments can also mutual any combination, thus
Other embodiments are formed, in addition to there is clearly opposite description, these features should be understood to can be applied to any one reality
It applies in mode, and is not limited merely to described embodiment.
Claims (4)
1. a kind of wireless charger that the exchange input suitable for day electronic product is efficiently charged, including wireless charging transmitting terminal
(1) and wireless charging receiving terminal (2), the wireless charging transmitting terminal (1) includes AC/DC step-down rectifier module (11), will be made a reservation for
Alternating voltage step-down rectifier be scheduled DC voltage, clapp oscillator (12), the clapp oscillator (12) is by direct current
Become high-frequency alternating current, emit end-coil (13), the transmitting end-coil (13) radiates high-frequency alternating current with changing magnetic field
Give wireless charging receiving terminal (2)；Wireless charging receiving terminal (2) includes receiving end-coil (21), induced emission end-coil (13)
Magnetic field, and generate high-frequency alternating current, AC/DC rectification module (22), which will receive the high-frequency alternating current that end-coil (21) generate, becomes the
The direct current of two predetermined voltages charges (23) to rechargeable battery；It is characterized by: in parallel on the transmitting end-coil (13)
Have the first resonant capacitance (C1), adjust the value of the first resonant capacitance (C1), connects the resonance frequency point of transmitting end-coil (13)
The maximum frequency point of nearly transmitting end-coil (13)；It is parallel with the second resonant capacitance (C2) on the reception end-coil (21),
The value for adjusting the second resonant capacitance (C2) makes the resonance frequency point for receiving end-coil (21) and transmitting end-coil (13)
Maximum frequency point is of substantially equal.
2. the wireless charger that the exchange input according to claim 1 suitable for day electronic product is efficiently charged,
Be characterized in that: the wireless charging transmitting terminal (1) includes pedestal (14), and the AC/DC step-down rectifier module (11), oscillation occur
Device (12) and transmitting end-coil (13) are located in pedestal (14), and the transmitting end-coil (13) includes transmitting terminal coil rack
(131), transmitting coil (132) is had mercy on the outer wall of the transmitting terminal coil rack (131), in the transmitting terminal coil rack
(131) magnetic core (133) for protruding from the transmitting terminal coil rack (131) is equipped in；Reception end-coil (21) packet
It includes receiving end coil rack (211), receiving coil (212) is had mercy on the outer wall of the receiving end coil rack (211), described to connect
Receiving end coil rack (211) covers on the magnetic core (133).
3. the wireless charger that the exchange input according to claim 1 or 2 suitable for day electronic product is efficiently charged,
It is characterized by: the alternating voltage of the predetermined voltage is 90 volts to 240 volts.
4. the wireless charger that the exchange input according to claim 1 or 2 suitable for day electronic product is efficiently charged,
It is characterized by: the scheduled DC voltage is 10 volts to 14 volts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820610902.0U CN208316375U (en) | 2018-04-26 | 2018-04-26 | The wireless charger that exchange input suitable for day electronic product is efficiently charged |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820610902.0U CN208316375U (en) | 2018-04-26 | 2018-04-26 | The wireless charger that exchange input suitable for day electronic product is efficiently charged |
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| Publication Number | Publication Date |
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| CN208316375U true CN208316375U (en) | 2019-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820610902.0U Active CN208316375U (en) | 2018-04-26 | 2018-04-26 | The wireless charger that exchange input suitable for day electronic product is efficiently charged |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116054427A (en) * | 2022-08-04 | 2023-05-02 | 荣耀终端有限公司 | Wireless charging receiving equipment and wireless charging system |
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2018
- 2018-04-26 CN CN201820610902.0U patent/CN208316375U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116054427A (en) * | 2022-08-04 | 2023-05-02 | 荣耀终端有限公司 | Wireless charging receiving equipment and wireless charging system |
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