CN208539660U - A kind of wireless charging device - Google Patents

A kind of wireless charging device Download PDF

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Publication number
CN208539660U
CN208539660U CN201821321632.8U CN201821321632U CN208539660U CN 208539660 U CN208539660 U CN 208539660U CN 201821321632 U CN201821321632 U CN 201821321632U CN 208539660 U CN208539660 U CN 208539660U
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China
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module
wireless charging
fan
main control
control module
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CN201821321632.8U
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Chinese (zh)
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张振江
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XIAMEN GUANGKAI ELECTRONICS CO Ltd
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XIAMEN GUANGKAI ELECTRONICS CO Ltd
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Abstract

The utility model discloses a kind of wireless charging devices, including power input interface, Voltage stabilizing module, fast charge protocol module, wireless charging main control module, full-bridge inverting module, transmitting coil, temperature detecting module, fan main control module, the output end of fan-driving module and fan power supply input interface is connect with the input terminal of Voltage stabilizing module and full-bridge inverting module respectively, power input interface is connect by fast charge protocol module with wireless charging main control module, the output end of wireless charging main control module is connect with the control signal of full-bridge inverting module, the output end of full-bridge inverting module connects transmitting coil, Voltage stabilizing module is respectively wireless charging main control module, temperature detecting module, fan main control module and fan-driving module power supply, fan main control module respectively with wireless charging main control module, temperature detecting module is connected with fan-driving module, Temperature detecting module is used to detect the temperature inside wireless charging device, and fan-driving module cools down for driving fan work.

Description

A kind of wireless charging device
Technical field
The utility model belongs to wireless charging technical field, more particularly to a kind of wireless charging device.
Background technique
The wireless charging device of QI standard on the market at present, when it is when giving smart phone wireless charging, the speed of charging Degree is influenced very big, suitable operating temperature and hot work by the operating temperature of mainboard and the operating temperature height of wireless transmitting terminals Wireless transmission and receiving equipment at a temperature of work with money is from out of power to fully charged or even to have the charging time of 1 to 2 hours poor, Therefore, in order to shorten the charging time, to improve user experience, it is necessary that its inside is warm at work for wireless charging device Degree cannot be too high, but temperature of its inside of existing wireless charging device is influenced by ambient temperature again, but external environment Temperature is again uncontrollable, so existing wireless charging device not can guarantee mainboard and wireless transmitting terminals work in suitable temperature Under, therefore, it is necessary to be improved to wireless charging device, to guarantee that mainboard and the wireless transmitting terminals of wireless charging device can be with works Make under suitable environment temperature, to improve charging rate.
Summary of the invention
It is above-mentioned to solve the problems, such as that the purpose of this utility model is to provide a kind of wireless charging devices.
To achieve the above object, the technical solution adopted in the utility model are as follows: a kind of wireless charging device, including power supply are defeated Incoming interface, Voltage stabilizing module, fast charge protocol module, wireless charging main control module, full-bridge inverting module, transmitting coil, temperature detection Module, fan main control module, fan-driving module and fan, the output end of the power input interface respectively with Voltage stabilizing module and The input terminal of full-bridge inverting module connects, and the power input interface is connected by fast charge protocol module and wireless charging main control module It connects, the output end of the wireless charging main control module is connect with the control signal of full-bridge inverting module, the full-bridge inverting mould The output end of block connects transmitting coil, and the Voltage stabilizing module is respectively wireless charging main control module, temperature detecting module, fan master control Module and fan-driving module power supply, the fan main control module respectively with wireless charging main control module, temperature detecting module and Fan-driving module connection, the temperature detecting module are used to detect the temperature inside wireless charging device, the fan driving Module works for driving fan, cools down to wireless charging device inside.
Further, the temperature detecting module includes thermistor R96, resistance R95 and capacitor C92, the temperature-sensitive electricity Resistance R96 and resistance R95 series connection is followed by between the output end and ground of Voltage stabilizing module, and capacitor C92 is in parallel with thermistor R96, heat The input terminal of node wind-receiving fan main control module between quick resistance R96 and resistance R95.
Further, the Voltage stabilizing module is 5V Voltage stabilizing module.
Further, the Voltage stabilizing module is realized using the DC-DC converter of model STI3470.
Further, fan main control module is realized using the single-chip microcontroller of model HT66F004-20.
Further, the fan-driving module includes NMOS tube Q3, resistance R29 and capacitor C36, the NMOS tube Q3's Drain electrode is sequentially connected in series fan and resistance R29 connects the output end of Voltage stabilizing module, the source electrode ground connection of the NMOS tube Q3, the NMOS tube The output end of the grid wind-receiving fan main control module of Q3, the capacitor C36 are in parallel with fan.
Further, the power input interface is TYPE-C power input interface.
Further, the power input interface further includes BDL filter circuit, is filtered place to the power supply of input Reason.
Further, the wireless charging main control module is realized using the wireless charging chip of model CV90326.
Further, the quantity of the fan is 1 or 2.
The advantageous effects of the utility model:
The utility model detects when wireless charging device works in it by increasing fan, and by temperature detecting module The temperature in portion, when temperature is higher than preset value, fan main control module controls the work of fan-driving module driving fan, increases air Flowing, to reduce the environment temperature inside wireless charging device, reduces the operating temperature of mainboard and wireless transmitting terminals, improves Charging rate shortens the charging time, improves customer experience sense, and circuit structure is simple, it is easy to accomplish, it is at low cost.
Detailed description of the invention
Fig. 1 is the structural block diagram of the utility model specific embodiment;
Fig. 2 is the circuit diagram of the utility model specific embodiment.
Specific embodiment
Now in conjunction with the drawings and specific embodiments, the present invention will be further described.
As illustrated in fig. 1 and 2, a kind of wireless charging device, including power input interface 1, Voltage stabilizing module 3, fast charge agreement mould Block 2, wireless charging main control module 4, full-bridge inverting module 5, transmitting coil 6, temperature detecting module 10, fan main control module 9, wind Drive module 8 and fan 7 are fanned, the input of the power input interface 1 terminates adapter, the output of the power input interface 1 End is connect with the input terminal of Voltage stabilizing module 3 and full-bridge inverting module 5 respectively, and in this specific embodiment, power input interface 1 is TYPE-C power input interface further includes BDL filter circuit, for being filtered to the power supply of input, physical circuit knot Structure is detailed in Fig. 2, this is no longer described in detail.
The power input interface 1 is connect by fast charge protocol module 2 with wireless charging main control module 4, and adapter is established With the connection of 4 fast charge agreement of wireless charging main control module, wireless charging main control module 4 obtains adaptation by fast charge protocol module 2 Device fast charge protocol information, realization are shaken hands with adapter, and the particular circuit configurations of fast charge protocol module 2 are detailed in Fig. 2, this is no longer thin It says.
In this specific embodiment, wireless charging main control module 4 is using the wireless charging chip U1 of model CV90326 come real Existing, physical circuit connection relationship is detailed in Fig. 2, this is no longer described in detail.
The output end of the wireless charging main control module 4 is connect with the control signal of full-bridge inverting module 5, the full-bridge The output end of inverter module 5 connects transmitting coil 6, and in this specific embodiment, full-bridge inverting module 5 includes model DMT3009's Metal-oxide-semiconductor Q1 and Q2, physical circuit connection relationship are detailed in Fig. 2, this is no longer described in detail.
The Voltage stabilizing module 3 is respectively wireless charging main control module 4, temperature detecting module 10, fan main control module 9 and wind It fans drive module 8 to power, in this specific embodiment, the Voltage stabilizing module 3 is Voltage stabilizing module described in 5V, using model The DC-DC converter U2 of STI3470 realizes that physical circuit connection relationship is detailed in Fig. 2, this is no longer described in detail.
The fan main control module 9 respectively with wireless charging main control module 4, temperature detecting module 10 and fan-driving module 8 connections, the temperature detecting module 10 are used to detect the temperature inside wireless charging device, and the fan-driving module 8 is used for Driving fan 7 works, and increases the air flowing inside wireless charging device, cools down to wireless charging device inside.
In this specific embodiment, the temperature detecting module 10 includes thermistor R96, resistance R95 and capacitor C92, institute It states thermistor R96 and resistance R95 series connection to be followed by between the output end and ground of Voltage stabilizing module 3, capacitor C92 and thermistor R96 is in parallel, the input terminal of the node wind-receiving fan main control module 9 between thermistor R96 and resistance R95, thermistor R96 setting On the mainboard inside wireless charging device, more specific circuit connecting relation is detailed in Fig. 2, this is no longer described in detail.
In this specific embodiment, fan main control module 9 is realized using the single-chip microcontroller U3 of model HT66F004-20, at This is low, it is easy to accomplish, physical circuit connection relationship is detailed in Fig. 2, this is no longer described in detail.
In this specific embodiment, the fan-driving module 8 includes NMOS tube Q3, resistance R29 and capacitor C36, described The drain electrode of NMOS tube Q3 is sequentially connected in series fan 7 (fan 7 is plugged on interface J4) and resistance R29 connects the output of Voltage stabilizing module 3 End, the source electrode ground connection of the NMOS tube Q3, the output end of the grid wind-receiving fan main control module 9 of the NMOS tube Q3, the capacitor C36 is in parallel with fan 7, and fan 7 is arranged inside wireless charging device, and more specific circuit connecting relation is detailed in Fig. 2, this is no longer thin It says.
In this specific embodiment, the quantity of fan 7 is 1, and certainly, in other embodiments, the quantity of fan 7 can root According to needing to be set as 2 or 2 or more.
The course of work:
When charging, power input interface 1 plugs adapter, and wireless charging main control module 4 is detected by fast charge protocol module 2 Adapter whether fast charge agreement, then according to testing result correspondingly control full-bridge inverting module 5 work, direct current is converted to High frequency ac signal, and electric energy is launched by transmitting coil 6 and is charged to charging equipment.Temperature detecting module 10 is real-time It detects the wireless charging device internal temperature and will test result and be transferred to fan main control module 9, the judgement inspection of fan main control module 9 Whether the temperature measured is higher than preset value, if being higher than preset value, and fan main control module 9 detects wireless charging main control module 4 are working, then control the work of 8 driving fan 7 of fan-driving module, increase air flowing, to reduce in wireless charging device The environment temperature in portion reduces the operating temperature of mainboard and wireless transmitting terminals, improves charging rate, shortens the charging time, improves Customer experience sense.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details On the utility model can be made a variety of changes, be the protection scope of the utility model.

Claims (10)

1. a kind of wireless charging device, including power input interface, Voltage stabilizing module, fast charge protocol module, wireless charging master control mould Block, full-bridge inverting module and transmitting coil, it is characterised in that: further include temperature detecting module, fan main control module, fan driving Module and fan, the output end of the power input interface are connect with the input terminal of Voltage stabilizing module and full-bridge inverting module respectively, The power input interface is connect by fast charge protocol module with wireless charging main control module, the wireless charging main control module Output end is connect with the control signal of full-bridge inverting module, and the output end of the full-bridge inverting module connects transmitting coil, described Voltage stabilizing module is respectively wireless charging main control module, temperature detecting module, fan main control module and fan-driving module power supply, institute It states fan main control module to connect with wireless charging main control module, temperature detecting module and fan-driving module respectively, the temperature Detection module is used to detect the temperature inside wireless charging device, and the fan-driving module works for driving fan, to nothing Cool down inside line charge electric equipment.
2. wireless charging device according to claim 1, it is characterised in that: the temperature detecting module includes thermistor R96, resistance R95 and capacitor C92, the thermistor R96 and resistance R95 series connection are followed by output end and ground in Voltage stabilizing module Between, capacitor C92 is in parallel with thermistor R96, the node wind-receiving fan main control module between thermistor R96 and resistance R95 it is defeated Enter end.
3. wireless charging device according to claim 1, it is characterised in that: the Voltage stabilizing module is 5V Voltage stabilizing module.
4. wireless charging device according to claim 3, it is characterised in that: the Voltage stabilizing module uses model The DC-DC converter of STI3470 is realized.
5. wireless charging device according to claim 1, it is characterised in that: fan main control module uses model The single-chip microcontroller of HT66F004-20 is realized.
6. wireless charging device according to claim 1, it is characterised in that: the fan-driving module includes NMOS tube The drain electrode of Q3, resistance R29 and capacitor C36, the NMOS tube Q3 are sequentially connected in series fan and resistance R29 connects the output of Voltage stabilizing module End, the source electrode ground connection of the NMOS tube Q3, the output end of the grid wind-receiving fan main control module of the NMOS tube Q3, the capacitor C36 is in parallel with fan.
7. wireless charging device according to claim 1, it is characterised in that: the power input interface is TYPE-C power supply Input interface.
8. wireless charging device according to claim 7, it is characterised in that: the power input interface further includes BDL filter Wave circuit is filtered the power supply of input.
9. wireless charging device according to claim 1, it is characterised in that: the wireless charging main control module uses model It is realized for the wireless charging chip of CV90326.
10. wireless charging device according to claim 1, it is characterised in that: the quantity of the fan is 1 or 2.
CN201821321632.8U 2018-08-16 2018-08-16 A kind of wireless charging device Active CN208539660U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821321632.8U CN208539660U (en) 2018-08-16 2018-08-16 A kind of wireless charging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821321632.8U CN208539660U (en) 2018-08-16 2018-08-16 A kind of wireless charging device

Publications (1)

Publication Number Publication Date
CN208539660U true CN208539660U (en) 2019-02-22

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821321632.8U Active CN208539660U (en) 2018-08-16 2018-08-16 A kind of wireless charging device

Country Status (1)

Country Link
CN (1) CN208539660U (en)

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