CN107863793B - High-efficient heat dissipation formula desktop overspeed wireless charger - Google Patents

High-efficient heat dissipation formula desktop overspeed wireless charger Download PDF

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Publication number
CN107863793B
CN107863793B CN201710960467.4A CN201710960467A CN107863793B CN 107863793 B CN107863793 B CN 107863793B CN 201710960467 A CN201710960467 A CN 201710960467A CN 107863793 B CN107863793 B CN 107863793B
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circuit
air
electromagnetic induction
signal
power supply
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CN107863793A (en
Inventor
冯道彬
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Guanyu Dongguan Intelligent Technology Co ltd
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Guanyu Dongguan Intelligent Technology Co ltd
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Priority to CN201710960467.4A priority Critical patent/CN107863793B/en
Priority to US15/853,660 priority patent/US20190115781A1/en
Priority to EP17210555.3A priority patent/EP3471237B1/en
Priority to JP2018056169A priority patent/JP2019075973A/en
Publication of CN107863793A publication Critical patent/CN107863793A/en
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    • H02J7/025
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a high-efficiency heat dissipation type desktop overspeed wireless charger, which comprises: the intelligent mobile phone charging device comprises a front shell (1) and a rear shell (6), wherein the front shell comprises a plane and a step seat arranged below the plane and is used for placing the intelligent mobile phone for charging; an electromagnetic induction charging device is arranged between the front shell (1) and the rear shell (6), and comprises: the smart phone comprises a magnetic induction coil (2), wherein the magnetic induction coil (2) is used for wirelessly charging the smart phone; in addition, the rear end of the electromagnetic induction device is provided with a radiator fan device, the radiator fan device comprising: a cooling fan (3) for extracting air to flow out from the air channel, and a sealing device (4) for sealing the air channel and the cooling fan together; the front shell (1) is provided with a circle of radiating holes, and when the radiating fan works, air can enter from the radiating holes to increase air flow; furthermore, an opening (5) is provided in the rear housing (6), which opening faces the air duct for dissipating heat.

Description

High-efficient heat dissipation formula desktop overspeed wireless charger
Technical Field
The invention belongs to a high-efficiency heat-dissipation type desktop overspeed wireless charger.
Background
The wireless chargers of the mobile phones on the market at present are divided into desktop flat-type wireless chargers and bracket-type wireless chargers, and the wireless chargers do not contain a heat dissipation structure, and in the use process, electromagnetic induction cannot be performed and high efficiency cannot be performed due to the limitation of the use environment, such as inaccurate alignment; the receiving end of the mobile phone has serious heating, and the receiving end must reduce power to control heating, so that the mobile phone is charged too slowly due to low power charging.
Therefore, a new technical solution is needed to solve the above problems.
Disclosure of Invention
The invention aims to solve the technical problem of providing a high-efficiency heat-dissipation type desktop overspeed wireless charger which is used for solving the problems existing in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a high efficiency heat dissipation desktop overspeed wireless charger, comprising: the front shell comprises a plane and a step seat arranged below the plane, and the front shell is used for placing the smart phone for charging; an electromagnetic induction charging device is arranged between the front shell and the rear shell, and comprises: the magnetic induction coil is used for wirelessly charging the smart phone; in addition, the rear end of the electromagnetic induction charging device is provided with a radiator fan device, which includes: the cooling fan is used for extracting air to flow out from the air channel, and the sealing device is used for sealing the air channel with the cooling fan; the front shell is provided with a circle of radiating holes, and when the radiating fan works, air can enter from the radiating holes to increase air flow; in addition, an opening is arranged on the rear shell, and the opening faces the air duct so as to radiate heat.
In addition, a main circuit board and/or a secondary circuit board are arranged inside the front shell and the rear shell, so that a circuit system of the wireless charger is formed;
Wherein the circuitry comprises: the power supply management circuit, the noise reduction filter circuit, the charger power supply circuit, the resonance circuit, the electromagnetic induction coil, the detection circuit and the control circuit; the power management circuit is connected with the noise reduction filter circuit and the charger power circuit in sequence, performs noise reduction and filtering on the charger power circuit and finally transmits the noise reduction and filtering to the resonant circuit; the charger power supply circuit is connected with the resonance circuit, and the resonance circuit is connected to the electromagnetic induction coil, wherein the resonance circuit supplies power for the electromagnetic induction coil;
The resonance circuit comprises an MOS tube and a resonance capacitor, wherein a power supply is connected to the MOS tube, wherein the MCU processor sends out a high-frequency signal to control the switch of the MOS tube through the high-frequency driving circuit, so that the high-frequency signal is generated to enter the resonance capacitor, and the oscillation frequency is provided for a magnetic induction coil at the rear end of the capacitor by utilizing the characteristic of rapid charge and discharge of the capacitor, so that an oscillation source required by electromagnetic induction is achieved to transmit power;
The detection circuit comprises a signal amplification IC, wherein the signal amplification IC is used for connecting a signal of the output end of the resonant capacitor into the signal amplification IC, amplifying a received signal and connecting the received signal into the MCU processor, and analyzing the signal of the output end to determine the working state of a product.
Wherein the control circuit includes: and the MCU processor is used as a main control device, controls the output high-frequency signal of the circuit, checks whether the power supply is abnormal, checks the output feedback signal and controls the LED display.
Wherein, the noise reduction filter circuit includes: 3A and a plurality of 106 and 104 capacitors, which are used for filtering and shaping the input power supply and are connected into the S pole of the MOS tube.
Wherein, the power management circuit specifically includes:
The power management circuit comprises two paths of 9V protocol output of QC2.0, one path of 9V voltage reduction and stabilization circuit for reducing 5V, and one path of voltage division detection circuit, and consists of:
The 9V protocol of QC2.0 activates the adapter compatible with the protocol above QC2.0 by controlling the output detection signal of D-D+ through the MCU, so that the adapter outputs 9V voltage;
The step-down circuit stabilizes an input power supply to 5V through a K7412 step-down IC to provide power for the MCU/fan/LED, wherein the step-down detection circuit divides the input voltage into MCU detectable voltages in proportion by using a step-down resistor to judge whether the input voltage is normal.
According to the invention, the air holes are formed in the electromagnetic induction area of the mobile phone by utilizing the principle of heat radiation of the fan, and the heat radiation effect is enhanced by utilizing the air convection of the contact surface of the mobile phone by utilizing the air draft principle, so that the optimal charging effect of the mobile phone end is achieved. (in the actual 6W charging test, the temperature of the mobile phone can be reduced by 3-8 ℃).
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The present invention will be described in detail below with reference to the attached drawings, so that the above advantages of the present invention will be more apparent. Wherein,
FIG. 1 is a schematic diagram of a desktop overspeed wireless charger with efficient heat dissipation according to the present invention;
Fig. 2 is a circuit block diagram of the high efficiency heat dissipation desktop overspeed wireless charger of the present invention.
Detailed Description
The following will describe embodiments of the present invention in detail with reference to the drawings and examples, thereby solving the technical problems by applying technical means to the present invention, and realizing the technical effects can be fully understood and implemented accordingly. It should be noted that, as long as no conflict is formed, each embodiment of the present invention and each feature of each embodiment may be combined with each other, and the formed technical solutions are all within the protection scope of the present invention.
As shown in fig. 1, the invention utilizes the principle of heat dissipation of a fan, and an air hole is formed in an electromagnetic induction area of the mobile phone, and increases the air convection of a contact surface of the mobile phone by utilizing the principle of air suction to enhance the heat dissipation effect, thereby achieving the optimal charging effect of the mobile phone end. (in the actual 6W charging test, the temperature of the mobile phone can be reduced by 3-8 ℃).
When a load is monitored to be connected to the wireless charger, an exhaust fan in the charger is started, and the principle of air convection is utilized to dissipate heat of the electromagnetic induction area of the mobile phone.
When the mobile phone stops charging due to high temperature (if the ambient temperature is too high, the mobile phone is in the aim of protecting the battery of the mobile phone, and the like), the mobile phone can be charged in a closed state and cannot be fully charged, and the wireless charger fan can continue to work until the mobile phone is fully charged.
The charger performs electric energy transmission in an electromagnetic induction mode.
The electronic part involves:
1. and (5) power management.
The power management is to manage the basic parameters of the input power supply, and filter and reduce noise to supply power to the power supply circuit of the wireless charger.
2. A resonant circuit.
The resonant circuit charges the resonant capacitor by the switching principle of the MOS tube, achieves the resonant frequency required by electromagnetic induction, and supplies power for the electromagnetic induction coil at the pick-up end by utilizing the principle of high-performance discharge of the capacitor.
3. And a control circuit.
The switch of the MOS tube is controlled to achieve the working switch of the whole circuit, and the output power is controlled by controlling the resonant frequency.
4. And a detection circuit.
The electromagnetic induction signals are used for collecting the working condition of the charger and the signal feedback of the receiving end, and protecting each part of the circuit, such as overcurrent/overvoltage/overtemperature/abnormal working condition, are used for judging whether to start or stop output.
Wherein, this product innovation part:
1. First, a heat dissipation structure is proposed and realized.
2. Firstly, the actual use condition of the mobile phone terminal is docked to control the opening-shaped body of the cooling fan, for example, when the mobile phone stops charging due to overheat, the fan can be intelligently started to cool the mobile phone, and the effect of protecting the mobile phone battery is achieved.
Specifically, a high-efficiency heat dissipation type desktop overspeed wireless charger comprises: the intelligent mobile phone charging device comprises a front shell (1) and a rear shell (6), wherein the front shell comprises a plane and a step seat arranged below the plane and is used for placing the intelligent mobile phone for charging; an electromagnetic induction charging device is arranged between the front shell (1) and the rear shell (6), and comprises: the smart phone comprises a magnetic induction coil (2), wherein the magnetic induction coil (2) is used for wirelessly charging the smart phone; in addition, the rear end of the electromagnetic induction charging device is provided with a radiator fan device, which includes: a cooling fan (3) for extracting air to flow out from the air channel, and a sealing device (4) for sealing the air channel and the cooling fan together; the front shell (1) is provided with a circle of radiating holes (101), and when the radiating fan works, air can enter from the radiating holes to increase air flow; furthermore, an opening (5) is provided in the rear housing (6), which opening faces the air duct for dissipating heat.
Furthermore, a main circuit board (7) and/or a secondary circuit board (8) are arranged inside the front shell (1) and the rear shell (6), thereby forming a circuit system of the wireless charger.
Wherein the circuitry comprises: the power supply management circuit, the noise reduction filter circuit, the charger power supply circuit, the resonance circuit, the electromagnetic induction coil, the detection circuit and the control circuit; the power management circuit is connected with the noise reduction filter circuit and the charger power circuit in sequence, performs noise reduction and filtering on the charger power circuit and finally transmits the noise reduction and filtering to the resonant circuit; the charger power supply circuit is connected with the resonance circuit, and the resonance circuit is connected to the electromagnetic induction coil, wherein the resonance circuit supplies power for the electromagnetic induction coil.
The resonance circuit comprises an MOS tube and a resonance capacitor, wherein a power supply is connected to the MOS tube, the MCU processor sends out a high-frequency signal to control the switch of the MOS tube through the high-frequency driving circuit, so that the high-frequency signal is generated to enter the resonance capacitor, and the oscillation frequency is provided for a magnetic induction coil at the rear end of the capacitor by utilizing the characteristic of rapid charge and discharge of the capacitor, so that an oscillation source required by electromagnetic induction is achieved to transmit power.
The detection circuit comprises a signal amplification IC, wherein the signal amplification IC is used for connecting a signal of the output end of the resonant capacitor into the signal amplification IC, amplifying a received signal and connecting the received signal into the MCU processor, and analyzing the signal of the output end to determine the working state of a product.
Wherein the control circuit includes: and the MCU processor is used as a main control device, controls the output high-frequency signal of the circuit, checks whether the power supply is abnormal, checks the output feedback signal and controls the LED display.
Wherein, the noise reduction filter circuit includes: 3A and a plurality of 106 and 104 capacitors, which are used for filtering and shaping the input power supply and are connected into the S pole of the MOS tube.
Wherein, the power management circuit specifically includes:
The power management circuit comprises two paths of 9V protocol output of QC2.0, one path of 9V voltage reduction and stabilization circuit for reducing 5V, and one path of voltage division detection circuit, and consists of:
The 9V protocol of QC2.0 activates the adapter compatible with the protocol above QC2.0 by controlling the output detection signal of D-D+ through the MCU, so that the adapter outputs 9V voltage;
The step-down circuit stabilizes an input power supply to 5V through a K7412 step-down IC to provide power for the MCU/fan/LED, wherein the step-down detection circuit divides the input voltage into MCU detectable voltages in proportion by using a step-down resistor to judge whether the input voltage is normal.
The working principle of the device is as follows: the front shell is provided with a circle of radiating holes, and when the fan works, air can enter from the radiating holes, so that the air flow is increased. The magnetic induction coil can take away heat due to air circulation during operation. The cooling fan draws air and outputs the air to the direction of the air channel. Wherein, the air duct and radiator fan fit and guarantee that hot-blast can not spill over, in addition, the air outlet is along the trompil of air duct direction, reduces windage and noise reduction.
Working relation: the power supply is connected to the secondary circuit board through the Micro-USB, the secondary circuit board is connected with the main circuit board through a flat cable, and the main circuit board detects the power supply and enters a standby state after being subjected to cycle self-inspection once; the secondary circuit board is provided with an LED indicator lamp which displays the state of the product through the state of the primary circuit board, if the blue lamp is on during self-inspection, the green lamp is on during loading, and if the loading is full, the lamp is turned off. The main circuit board detects the output signal through the magnetic induction coil, so that the working state of the product is determined.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. A high-efficient heat dissipation type desktop overspeed wireless charger is characterized in that: comprising the following steps: the intelligent mobile phone charging device comprises a front shell (1) and a rear shell (6), wherein the front shell comprises a plane and a step seat arranged below the plane and is used for placing the intelligent mobile phone for charging; an electromagnetic induction charging device is arranged between the front shell (1) and the rear shell (6), and comprises: the smart phone comprises a magnetic induction coil (2), wherein the magnetic induction coil (2) is used for wirelessly charging the smart phone; in addition, the rear end of the electromagnetic induction charging device is provided with a radiator fan device, which includes: a cooling fan (3) for extracting air to flow out from the air channel, and a sealing device (4) for sealing the air channel and the cooling fan together; the front shell (1) is provided with a circle of radiating holes (101), and when the radiating fan works, air can enter from the radiating holes to increase air flow; furthermore, an opening (5) is provided in the rear housing (6), which opening faces the air duct for dissipating heat;
A main circuit board (7) and/or a secondary circuit board (8) are arranged inside the front shell (1) and the rear shell (6), so that a circuit system of the wireless charger is formed;
The circuitry includes: the power supply management circuit, the noise reduction filter circuit, the charger power supply circuit, the resonance circuit, the electromagnetic induction coil, the detection circuit and the control circuit; the power management circuit is connected with the noise reduction filter circuit and the charger power circuit in sequence, performs noise reduction and filtering on the charger power circuit and finally transmits the noise reduction and filtering to the resonant circuit; the charger power supply circuit is connected with the resonance circuit, and the resonance circuit is connected to the electromagnetic induction coil, wherein the resonance circuit supplies power for the electromagnetic induction coil;
The resonance circuit comprises an MOS tube and a resonance capacitor, wherein a power supply is connected to the MOS tube, wherein the MCU processor sends out a high-frequency signal to control the switch of the MOS tube through the high-frequency driving circuit, so that the high-frequency signal is generated to enter the resonance capacitor, and the oscillation frequency is provided for a magnetic induction coil at the rear end of the capacitor by utilizing the characteristic of rapid charge and discharge of the capacitor, so that an oscillation source required by electromagnetic induction is achieved to perform power emission;
the detection circuit comprises a signal amplification IC, wherein the signal amplification IC is used for connecting the signal of the output end of the resonant capacitor into the signal amplification IC, amplifying the received signal and connecting the received signal into the MCU processor, and analyzing the signal of the output end to determine the working state of the product.
2. The high efficiency heat dissipation tabletop overspeed wireless charger of claim 1 wherein the control circuit comprises: and the MCU processor is used as a main control device, controls the output high-frequency signal of the circuit, checks whether the power supply is abnormal, checks the output feedback signal and controls the LED display.
3. The high efficiency heat dissipation tabletop overspeed wireless charger of claim 2 wherein the noise reduction filter circuit comprises: 3A and a plurality of 106 and 104 capacitors, which are used for filtering and shaping the input power supply and are connected into the S pole of the MOS tube.
4. The high efficiency heat dissipation desktop overspeed wireless charger of claim 3 wherein said power management circuit specifically comprises:
The power management circuit comprises two paths of 9V protocol output of QC2.0, one path of 9V voltage reduction and stabilization circuit for reducing 5V, and one path of voltage division detection circuit, and consists of:
The 9V protocol of QC2.0 activates the adapter compatible with the protocol above QC2.0 by controlling the output detection signal of D-D+ through the MCU, so that the adapter outputs 9V voltage;
The step-down circuit stabilizes an input power supply to 5V through a K7412 step-down IC to provide power for the MCU/fan/LED, wherein the step-down detection circuit divides the input voltage into MCU detectable voltages in proportion by using a step-down resistor to judge whether the input voltage is normal.
CN201710960467.4A 2017-10-16 2017-10-16 High-efficient heat dissipation formula desktop overspeed wireless charger Active CN107863793B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201710960467.4A CN107863793B (en) 2017-10-16 2017-10-16 High-efficient heat dissipation formula desktop overspeed 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

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Application Number Priority Date Filing Date Title
CN201710960467.4A CN107863793B (en) 2017-10-16 2017-10-16 High-efficient heat dissipation formula desktop overspeed wireless charger

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CN107863793B true CN107863793B (en) 2024-05-28

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200091755A1 (en) * 2018-09-19 2020-03-19 Apple Inc. Inductive charging dock
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
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

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1198705A (en) * 1997-09-16 1999-04-09 Matsushita Electric Ind Co Ltd Terminal apparatus and power feeding apparatus
CN103019344A (en) * 2012-12-20 2013-04-03 浙江大学 Wireless charging radiator of notebook computer
CN203366973U (en) * 2011-01-26 2013-12-25 松下电器产业株式会社 Contactless charging module and receiving-side and transmission-side contactless charger using same
CN105790369A (en) * 2016-04-20 2016-07-20 陈凯亮 Desktop embedding type wireless charger
CN105827020A (en) * 2016-05-04 2016-08-03 邢益涛 Wireless charging output device
WO2017091201A1 (en) * 2015-11-24 2017-06-01 Intel Corporation Docking station
CN207234476U (en) * 2017-10-16 2018-04-13 深圳闪电猫电子科技有限公司 A kind of high-efficient heat-dissipating Table top type hypervelocity wireless charger

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1198705A (en) * 1997-09-16 1999-04-09 Matsushita Electric Ind Co Ltd Terminal apparatus and power feeding apparatus
CN203366973U (en) * 2011-01-26 2013-12-25 松下电器产业株式会社 Contactless charging module and receiving-side and transmission-side contactless charger using same
CN103019344A (en) * 2012-12-20 2013-04-03 浙江大学 Wireless charging radiator of notebook computer
WO2017091201A1 (en) * 2015-11-24 2017-06-01 Intel Corporation Docking station
CN105790369A (en) * 2016-04-20 2016-07-20 陈凯亮 Desktop embedding type wireless charger
CN105827020A (en) * 2016-05-04 2016-08-03 邢益涛 Wireless charging output device
CN207234476U (en) * 2017-10-16 2018-04-13 深圳闪电猫电子科技有限公司 A kind of high-efficient heat-dissipating Table top type hypervelocity wireless charger

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