CN107863793A - A kind of high-efficient heat-dissipating Table top type hypervelocity wireless charger - Google Patents
A kind of high-efficient heat-dissipating Table top type hypervelocity wireless charger Download PDFInfo
- Publication number
- CN107863793A CN107863793A CN201710960467.4A CN201710960467A CN107863793A CN 107863793 A CN107863793 A CN 107863793A CN 201710960467 A CN201710960467 A CN 201710960467A CN 107863793 A CN107863793 A CN 107863793A
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- China
- Prior art keywords
- circuit
- wireless charger
- table top
- radiator fan
- top type
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- 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.)
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- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 29
- 230000006698 induction Effects 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 230000009467 reduction Effects 0.000 claims description 15
- 239000004065 semiconductor Substances 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 11
- 230000005611 electricity Effects 0.000 claims description 10
- 230000010355 oscillation Effects 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H02J7/025—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
Abstract
The invention discloses a kind of high-efficient heat-dissipating Table top type hypervelocity wireless charger, including：Fore shell（1）And rear shell（6）, wherein, fore shell includes a plane and the mount being arranged under the plane, is charged for placing smart mobile phone；The fore shell（1）And rear shell（6）Between be provided with electromagnetic induction charged device, it includes：Magnetic induction loop（2）, the magnetic induction loop（2）Wireless charging is carried out to smart mobile phone；In addition, the rear end of the electromagnetic induction device is provided with radiator fan device, the radiator fan device includes：Radiator fan（3）, air is extracted to air channel air-out, sealing device（4）, by air channel it is closely sealed with radiator fan together with, air channel；The fore shell（1）A circle heat emission hole is provided with, when radiator fan works, air can enter from heat emission hole, increase air flow；In addition, shell in the rear（6）On be provided with perforate（5）, the perforate distributes heat towards air channel.
Description
Technical field
The invention belongs to a kind of high-efficient heat-dissipating Table top type hypervelocity wireless charger.
Background technology
Current mobile phone wireless charger on the market is divided into desktop and keeps flat type and bracket type wireless charger, and it is without scattered
Heat structure, in use, due to the limitation of use environment, such as contraposition, forbidden to lead to not electromagnetic induction can not high efficiency work
Make；The heating of mobile phone receiving terminal is serious, and receiving terminal must reduce power to control heating, causes because low-power charge mobile phone charges
Cross slow.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of high-efficient heat-dissipating Table top type hypervelocity wireless charger, are used for
Solve the problems, such as that prior art is present.
It is as follows that the present invention solves the technical scheme that above-mentioned technical problem is taken：
A kind of high-efficient heat-dissipating Table top type hypervelocity wireless charger, including：Fore shell（1）And rear shell（6）, wherein, fore shell includes one
Plane and the mount being arranged under the plane, are charged for placing smart mobile phone；The fore shell（1）And rear shell（6）It
Between be provided with electromagnetic induction charged device, it includes：Magnetic induction loop（2）, the magnetic induction loop（2）Wireless charging is carried out to smart mobile phone
Electricity；In addition, the rear end of the electromagnetic induction device is provided with radiator fan device, the radiator fan device includes：Radiator fan
（3）, air is extracted to air channel air-out, sealing device（4）, by air channel it is closely sealed with radiator fan together with, air channel；It is described
Fore shell（1）It is provided with a circle heat emission hole（101）, when radiator fan works, air can enter from heat emission hole, increase air stream
It is dynamic；In addition, shell in the rear（6）On be provided with perforate（5）, the perforate distributes heat towards air channel.
In addition, in the fore shell（1）And rear shell（6）Inside is additionally provided with main circuit board（7）And/or secondary circuit board（8）, by
This forms the circuit system of the wireless charger.
Wherein, the circuit system includes：Electric power management circuit, noise reduction filtering circuit, light source of charger circuit, resonance electricity
Road, electromagnetic induction coil, detection circuit and control circuit；Wherein, the electric power management circuit connects noise reduction filtering circuit according to this
And light source of charger circuit, and noise reduction and filtering are carried out to light source of charger circuit, finally it is transported in resonance circuit；It is described
Light source of charger circuit connects resonance circuit, and resonance circuit is connected to electromagnetic induction coil, wherein, resonance circuit is electromagnetic induction
Coil is powered.
Wherein, the resonance circuit includes:Metal-oxide-semiconductor and resonant capacitance, wherein, plant-grid connection metal-oxide-semiconductor, wherein, MCU processing
Device sends the switch that high-frequency signal controls metal-oxide-semiconductor by high frequency drive circuit, thus produces high-frequency signal and enters resonant capacitance, its
Using the characteristic of the fast charging and discharging of electric capacity, the magnetic induction loop to electric capacity rear end provides frequency of oscillation, so as to reach electromagnetic induction
Required oscillation source carries out power emission.
Wherein, the detection circuit includes:Signal amplifies IC, and it amplifies the signal access signal of resonant capacitance output end
In IC, reception signal is amplified and accessed in MCU processors, the signal of output end is analyzed to determine the work shape of product
State.
Wherein, the control circuit includes：MCU processors, it believes as master devices, the output high frequency of control circuit
Number, check whether power supply is abnormal, check output feedback signal, control LED is shown.
Wherein, the noise reduction filtering circuit includes：3A magnetic bead and multiple 106 and 104 electric capacity, the filter for input power
Ripple shaping, and access the S poles of metal-oxide-semiconductor.
Wherein, the electric power management circuit specifically includes：
Electric power management circuit, the 9V agreements comprising two-way QC2.0 export, and 5V decompression voltage regulator drops in 9V all the way, all the way partial pressure
Detect circuit and form：
QC2.0 9V agreements control D- D+ output detection signal by MCU, to activate the adaptation of compatible more than QC2.0 agreements
Device, adapter is allowed to export 9V voltages；
Reduction voltage circuit is depressured IC by K7412, stabilizes to 5V to provide power supply for MCU/ fans/LED input power, wherein,
Voltage-dividing detection circuit is to utilize divider resistance, and input voltage is divided into the detectable voltages of MCU in proportion is to judge input voltage
It is no normal.
The present invention utilizes the principle of fan cooling, and stomata is provided with mobile phone electromagnetic induction region, is increased using the principle of exhausting
Add the cross-ventilation of mobile phone contact surface to strengthen radiating effect, so as to reach the optimal charge effect of mobile phone terminal.（Reality is 6W's
Can be that mobile phone reduces by 3 DEG C ~ 8 DEG C in charging measurement）
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes aobvious from specification
And be clear to, or understood by implementing the present invention.The purpose of the present invention and other advantages can by write specification, power
Specifically noted structure is realized and obtained in sharp claim and accompanying drawing.
Brief description of the drawings
The present invention is described in detail below in conjunction with the accompanying drawings, to cause the above-mentioned advantage of the present invention definitely.Its
In,
Fig. 1 is the structural representation of high-efficient heat-dissipating Table top type hypervelocity wireless charger of the present invention；
Fig. 2 is the circuit block diagram of high-efficient heat-dissipating Table top type hypervelocity wireless charger of the present invention.
Embodiment
Embodiments of the present invention are described in detail below with reference to drawings and Examples, and how the present invention is applied whereby
Technological means solves technical problem, and the implementation process for reaching technique effect can fully understand and implement according to this.Need to illustrate
As long as not forming conflict, each embodiment in the present invention and each feature in each embodiment can be combined with each other,
The technical scheme formed is within protection scope of the present invention.
As shown in figure 1, the present invention utilizes the principle of fan cooling, stomata is provided with mobile phone electromagnetic induction region, using taking out
The cross-ventilation of the principle increase mobile phone contact surface of wind strengthens radiating effect, so as to reaching the optimal charge effect of mobile phone terminal.
（Reality can be that mobile phone reduces by 3 DEG C ~ 8 DEG C in 6W charging measurement）
Wherein, stomata is provided with mobile phone electromagnetic induction region, when having monitored that load is linked into wireless charger, we can hold
The extractor fan of charger internal is opened, using cross-ventilated principle, is radiated for mobile phone electromagnetic induction region.
Wherein, and when mobile phone stops charging due to high temperature（If environment temperature is too high, in protection battery of mobile phone etc.
Purpose, mobile phone meeting charge closing, can not be fully charged）, wireless charger fan may proceed to work, continues to and monitor that mobile phone is full of
Untill electricity.
Wherein, charger, electric energy transmission is carried out using the mode of electromagnetic induction.
Electronic section is related to：
1. power management.
Power management, it is the management to input power basic parameter, and filters power circuit of the noise abatement to wireless charger
Power supply.
2. resonance circuit.
Resonance circuit, it is the on-off principle by metal-oxide-semiconductor, is charged to resonant capacitance, and reach the humorous of electromagnetic induction needs
Vibration frequency, the principle discharged using electric capacity high-performance, to take over the power supply of the electromagnetic induction coil at end.
3. control circuit.
The switch of metal-oxide-semiconductor is controlled, to reach the operating switch of whole circuit, and output is controlled by controlling resonant frequency
Power.
4. detect circuit.
To collect the signal feedback of the working condition of charger and receiving terminal, and it is circuit using electromagnetic induction signal
Each several part accomplishes protective effect, judges to be turned on and off to export such as the situation of excessively stream/overvoltage/excess temperature/operation irregularity.
Wherein, this product innovative part：
1. the radiator structure for proposing and putting into effect first.
2. the actual use situation for docking mobile phone terminal first goes to control the opening state body of radiator fan, if mobile phone is due to overheat
When stopping charging, meeting intelligent opening fan, radiated for mobile phone, reach the effect of protection battery of mobile phone.
Specifically, a kind of high-efficient heat-dissipating Table top type hypervelocity wireless charger, including：Fore shell（1）And rear shell（6）, its
In, fore shell includes a plane and the mount being arranged under the plane, is charged for placing smart mobile phone；The fore shell
（1）And rear shell（6）Between be provided with electromagnetic induction charged device, it includes：Magnetic induction loop（2）, the magnetic induction loop（2）To intelligence
Mobile phone carries out wireless charging；In addition, the rear end of the electromagnetic induction device is provided with radiator fan device, the radiator fan device
Including：Radiator fan（3）, air is extracted to air channel air-out, sealing device（4）, by air channel and radiator fan it is closely sealed
Together, air channel；The fore shell（1）It is provided with a circle heat emission hole（101）, when radiator fan works, air can enter from heat emission hole
Enter, increase air flow；In addition, shell in the rear（6）On be provided with perforate（5）, the perforate distributes heat towards air channel
Go out.
In addition, in the fore shell（1）And rear shell（6）Inside is additionally provided with main circuit board（7）And/or secondary circuit board（8）, by
This forms the circuit system of the wireless charger.
Wherein, the circuit system includes：Electric power management circuit, noise reduction filtering circuit, light source of charger circuit, resonance electricity
Road, electromagnetic induction coil, detection circuit and control circuit；Wherein, the electric power management circuit connects noise reduction filtering circuit according to this
And light source of charger circuit, and noise reduction and filtering are carried out to light source of charger circuit, finally it is transported in resonance circuit；It is described
Light source of charger circuit connects resonance circuit, and resonance circuit is connected to electromagnetic induction coil, wherein, resonance circuit is electromagnetic induction
Coil is powered.
Wherein, the resonance circuit includes:Metal-oxide-semiconductor and resonant capacitance, wherein, plant-grid connection metal-oxide-semiconductor, wherein, MCU processing
Device sends the switch that high-frequency signal controls metal-oxide-semiconductor by high frequency drive circuit, thus produces high-frequency signal and enters resonant capacitance, its
Using the characteristic of the fast charging and discharging of electric capacity, the magnetic induction loop to electric capacity rear end provides frequency of oscillation, so as to reach electromagnetic induction
Required oscillation source carries out power emission.
Wherein, the detection circuit includes:Signal amplifies IC, and it amplifies the signal access signal of resonant capacitance output end
In IC, reception signal is amplified and accessed in MCU processors, the signal of output end is analyzed to determine the work shape of product
State.
Wherein, the control circuit includes：MCU processors, it believes as master devices, the output high frequency of control circuit
Number, check whether power supply is abnormal, check output feedback signal, control LED is shown.
Wherein, the noise reduction filtering circuit includes：3A magnetic bead and multiple 106 and 104 electric capacity, the filter for input power
Ripple shaping, and access the S poles of metal-oxide-semiconductor.
Wherein, the electric power management circuit specifically includes：
Electric power management circuit, the 9V agreements comprising two-way QC2.0 export, and 5V decompression voltage regulator drops in 9V all the way, all the way partial pressure
Detect circuit and form：
QC2.0 9V agreements control D- D+ output detection signal by MCU, to activate the adaptation of compatible more than QC2.0 agreements
Device, adapter is allowed to export 9V voltages；
Reduction voltage circuit is depressured IC by K7412, stabilizes to 5V to provide power supply for MCU/ fans/LED input power, wherein,
Voltage-dividing detection circuit is to utilize divider resistance, and input voltage is divided into the detectable voltages of MCU in proportion is to judge input voltage
It is no normal.
The operation principle of the device is as follows：Fore shell has a circle heat emission hole, and when fan work, air can enter from heat emission hole
Enter, increase air flow.Magnetic induction loop, at work because air circulation can take away heat.Radiator fan extract air to
Air channel air-out.Wherein, air channel and the closely sealed guarantee hot blast of radiator fan will not overflow, in addition, air outlet is opened along air channel
Hole, reduce windage and reduce noise.
Work relationship：Power supply accesses secondary circuit board by Micro USB, and secondary circuit board is connected by winding displacement and main circuit board
Connect, main circuit board detects power supply, enters holding state after circulating self-test one time；Secondary circuit board passes through with LED light
The situation of main circuit board shows the state of product, and blue lamp is bright during such as self-test, green light when having load, is loaded with coming full of signal
Then turn off the light.Main circuit board detects output signal by magnetic induction loop, so that it is determined that the working condition of product.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (8)
- The wireless charger 1. a kind of high-efficient heat-dissipating Table top type exceeds the speed limit, it is characterised in that including：Fore shell（1）And rear shell（6）, its In, fore shell includes a plane and the mount being arranged under the plane, is charged for placing smart mobile phone；The fore shell （1）And rear shell（6）Between be provided with electromagnetic induction charged device, it includes：Magnetic induction loop（2）, the magnetic induction loop（2）To intelligence Mobile phone carries out wireless charging；In addition, the rear end of the electromagnetic induction device is provided with radiator fan device, the radiator fan device Including：Radiator fan（3）, air is extracted to air channel air-out, sealing device（4）, by air channel and radiator fan it is closely sealed Together, air channel；The fore shell（1）It is provided with a circle heat emission hole（101）, when radiator fan works, air can enter from heat emission hole Enter, increase air flow；In addition, shell in the rear（6）On be provided with perforate（5）, the perforate distributes heat towards air channel Go out.
- The wireless charger 2. high-efficient heat-dissipating Table top type according to claim 1 exceeds the speed limit, it is characterised in that in the fore shell （1）And rear shell（6）Inside is additionally provided with main circuit board（7）And/or secondary circuit board（8）, thus form the electricity of the wireless charger Road system.
- The wireless charger 3. high-efficient heat-dissipating Table top type according to claim 2 exceeds the speed limit, it is characterised in that the circuit system System includes：Electric power management circuit, noise reduction filtering circuit, light source of charger circuit, resonance circuit, electromagnetic induction coil, detection electricity Road and control circuit；Wherein, the electric power management circuit connects noise reduction filtering circuit and light source of charger circuit according to this, and right Light source of charger circuit carries out noise reduction and filtering, is finally transported in resonance circuit；The light source of charger circuit connects resonance Circuit, resonance circuit are connected to electromagnetic induction coil, wherein, resonance circuit is powered for electromagnetic induction coil.
- The wireless charger 4. high-efficient heat-dissipating Table top type according to claim 3 exceeds the speed limit, it is characterised in that the resonance electricity Road includes:Metal-oxide-semiconductor and resonant capacitance, wherein, plant-grid connection metal-oxide-semiconductor, wherein, MCU processors send high-frequency signal and pass through high frequency Drive circuit controls the switch of metal-oxide-semiconductor, thus produces high-frequency signal and enters resonant capacitance, it utilizes the fast charging and discharging of electric capacity Characteristic, the magnetic induction loop to electric capacity rear end provides frequency of oscillation, so as to reach the oscillation source needed for electromagnetic induction to carry out power Transmitting.
- The wireless charger 5. high-efficient heat-dissipating Table top type according to claim 3 exceeds the speed limit, it is characterised in that the detection electricity Road includes:Signal amplifies IC, in its signal access signal amplification IC by resonant capacitance output end, reception signal is amplified and connect Enter in MCU processors, the signal of output end is analyzed to determine the working condition of product.
- The wireless charger 6. high-efficient heat-dissipating Table top type according to claim 3 exceeds the speed limit, it is characterised in that the control electricity Road includes：MCU processors, it the output high-frequency signal of control circuit, checks whether power supply is abnormal, checks as master devices Feedback signal is exported, control LED is shown.
- The wireless charger 7. high-efficient heat-dissipating Table top type according to claim 3 exceeds the speed limit, it is characterised in that the noise reduction filter Wave circuit includes：3A magnetic bead and multiple 106 and 104 electric capacity, for the filter shape of input power, and access the S of metal-oxide-semiconductor Pole.
- The wireless charger 8. high-efficient heat-dissipating Table top type according to claim 1 or 2 exceeds the speed limit, it is characterised in that the electricity Power management circuits specifically include：Electric power management circuit, the 9V agreements comprising two-way QC2.0 export, and 5V decompression voltage regulator drops in 9V all the way, all the way partial pressure Detect circuit and form：QC2.0 9V agreements control D- D+ output detection signal by MCU, to activate the adaptation of compatible more than QC2.0 agreements Device, adapter is allowed to export 9V voltages；Reduction voltage circuit is depressured IC by K7412, stabilizes to 5V to provide power supply for MCU/ fans/LED input power, wherein, Voltage-dividing detection circuit is to utilize divider resistance, and input voltage is divided into the detectable voltages of MCU in proportion is to judge input voltage It is no normal.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710960467.4A CN107863793A (en) | 2017-10-16 | 2017-10-16 | A kind of high-efficient heat-dissipating Table top type hypervelocity wireless charger |
| US15/853,660 US20190115781A1 (en) | 2017-10-16 | 2017-12-22 | Wireless charger |
| EP17210555.3A EP3471237B1 (en) | 2017-10-16 | 2017-12-22 | Wireless charger |
| JP2018056169A JP2019075973A (en) | 2017-10-16 | 2018-03-23 | High efficiency heat dissipation desktop type high speed wireless charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710960467.4A CN107863793A (en) | 2017-10-16 | 2017-10-16 | A kind of high-efficient heat-dissipating Table top type hypervelocity wireless charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107863793A true CN107863793A (en) | 2018-03-30 |
Family
ID=61698886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710960467.4A Pending CN107863793A (en) | 2017-10-16 | 2017-10-16 | A kind of high-efficient heat-dissipating Table top type hypervelocity wireless charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107863793A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110162158A (en) * | 2019-05-28 | 2019-08-23 | 努比亚技术有限公司 | Charge radiating circuit, method, wearable device and computer readable storage medium |
| EP3627653A1 (en) * | 2018-09-19 | 2020-03-25 | Apple Inc. | Inductive charging dock |
| CN111796532A (en) * | 2020-07-09 | 2020-10-20 | 中惠创智无线供电技术有限公司 | Control cabinet based on heat dissipation simulation and air-cooled heat dissipation analysis method |
| CN114263626A (en) * | 2021-12-23 | 2022-04-01 | 广东美芝制冷设备有限公司 | Intelligent fan and electrical equipment |
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| EP3627653A1 (en) * | 2018-09-19 | 2020-03-25 | Apple Inc. | Inductive charging dock |
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