CN208539629U - A kind of wireless charging device - Google Patents
A kind of wireless charging device Download PDFInfo
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- CN208539629U CN208539629U CN201821321637.0U CN201821321637U CN208539629U CN 208539629 U CN208539629 U CN 208539629U CN 201821321637 U CN201821321637 U CN 201821321637U CN 208539629 U CN208539629 U CN 208539629U
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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, brightness detection module, fan main control module, fan-driving module and fan, power input interface is connect with 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, wireless charging master control mould is connect with full-bridge inverting module, full-bridge inverting module connects transmitting coil, Voltage stabilizing module is respectively wireless charging main control module, temperature detecting module, brightness detection 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, brightness detection module is connected with fan-driving module, temperature Degree detection module works for detecting ambient light intensity, fan-driving module for driving fan for detecting temperature, brightness detection module.
Description
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, so that charging rate is improved, although carrying out cooling by increase fan can solve above-mentioned ask
Topic, but certain noise problem also is brought simultaneously, it is stranded to night rest person's bring.
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, brightness detection module, fan main control module, fan-driving module and fan, the output end point of the power input interface
It is not connect with the input terminal of Voltage stabilizing module and full-bridge inverting module, the power input interface is by fast charge protocol module and wirelessly
The main control module that charges connects, and the output end of the wireless charging main control module is connect with the control signal of full-bridge inverting module,
The output end of the full-bridge inverting module connects transmitting coil, and the Voltage stabilizing module is respectively wireless charging main control module, temperature inspection
Module, brightness detection module, fan main control module and fan-driving module power supply are surveyed, the fan main control module is respectively and wirelessly
Charging main control module, temperature detecting module, brightness detection module are connected with fan-driving module, and the temperature detecting module is used for
The temperature inside wireless charging device is detected, the brightness detection module is used to detect the environmental light intensity outside wireless charging device
Degree, the fan-driving module work for driving fan, cool 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 first input end of node wind-receiving fan main control module between quick resistance R96 and resistance R95.
Further, the brightness detection module includes photo resistance R97, resistance R98 and capacitor C93, the photosensitive electricity
Resistance R97 and resistance R98 series connection is followed by between the output end and ground of Voltage stabilizing module, and capacitor C93 is in parallel with resistance R98, photosensitive electricity
Hinder the second input terminal of the node wind-receiving fan main control module between R97 and resistance R98.
Further, the model GL5506 of the photo resistance R97.
Further, the Voltage stabilizing module is 5V Voltage stabilizing module, using the DC-DC converter of model STI3470 come real
It is existing.
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, and the fan main control module uses type
It number is realized for the single-chip microcontroller of HT66F004-20.
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 and by brightness detection module detect wireless charging device outside ambient light intensity, when temperature be higher than preset value,
And ambient light intensity be greater than preset value (i.e. daytime) when, fan main control module just control fan-driving module driving fan work,
Increase air flowing, to reduce the environment temperature inside wireless charging device, reduces the work of mainboard and wireless transmitting terminals
Temperature improves charging rate, shortens the charging time, although when temperature is higher than preset value, ambient light intensity is less than preset value (i.e.
Daytime) when, fan main control module controls fan-driving module and stops driving fan work, avoids the noise of fan work to night
Rest person's bring is stranded, and 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, brightness detection module 11,
The input of fan main control module 9, fan-driving module 8 and fan 7, the power input interface 1 terminates adapter, the power supply
The output end of input interface 1 is connect with the input terminal of Voltage stabilizing module 3 and full-bridge inverting module 5 respectively, in this specific embodiment, electricity
Source input interface 1 is TYPE-C power input interface, further includes BDL filter circuit, for being filtered place to the power supply of input
Reason, particular circuit configurations are 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, brightness detection module 11, wind
It fans main control module 9 and fan-driving module 8 is powered, in this specific embodiment, the Voltage stabilizing module 3 is Voltage stabilizing module described in 5V,
It is realized using the DC-DC converter U2 of model STI3470, 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, brightness detection module
11 and fan-driving module 8 connect, the temperature detecting module 10 is used to detect temperature inside wireless charging device, described bright
Degree detection module 11 is used to detect the ambient light intensity outside wireless charging device, and the fan-driving module 8 is for driving wind
7 work of fan 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 first input end of the node wind-receiving fan main control module 9 between thermistor R96 and resistance R95, thermistor R96
It is arranged 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, the brightness detection module 11 includes photo resistance R97, resistance R98 and capacitor C93, institute
It states photo resistance R97 and resistance R98 series connection to be followed by between the output end and ground of Voltage stabilizing module 3, capacitor C93 and resistance R98 are simultaneously
Connection, the second input terminal of the node wind-receiving fan main control module 9 between photo resistance R97 and resistance R98.In this specific embodiment,
The model of the photo resistance R97 is preferably GL5506, but not limited to this, more specific circuit connecting relation is detailed in Fig. 2, this is no longer
It describes 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, brightness detection module 11 is real-time
It detects the ambient light intensity outside the wireless charging device and will test result and be transferred to fan main control module 9, fan master control mould
Block 9 judges that the temperature detected is higher than preset value, and luminous intensity is higher than preset value (i.e. daytime), while fan main control module 9 is examined
It measures wireless charging main control module 4 working, then controls the work of 8 driving fan 7 of fan-driving module, increase air flowing, from
And the environment temperature inside wireless charging device is reduced, the operating temperature of mainboard and wireless transmitting terminals is reduced, charging speed is improved
Degree shortens the charging time, if fan main control module 9 judges that the temperature detected is higher than preset value, but luminous intensity is lower than default
Be worth (i.e. night), control fan-driving module 8 not driving fan 7 work, avoid fan 7 work noise to night rest person with
Come it is tired hold together, improve 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, brightness detection module, fan master control
Module, fan-driving module and fan, the output end of the power input interface respectively with Voltage stabilizing module and full-bridge inverting module
Input terminal connection, the power input interface connect by fast charge protocol module with wireless charging main control module, it is described wirelessly
The output end of charging main control module is connect with the control signal of full-bridge inverting module, the output termination of the full-bridge inverting module
Transmitting coil, the Voltage stabilizing module are respectively wireless charging main control module, temperature detecting module, brightness detection 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,
Brightness detection module is connected with fan-driving module, and the temperature detecting module is used to detect the temperature inside wireless charging device
Degree, the brightness detection module are used to detect the ambient light intensity outside wireless charging device, and the fan-driving module is used for
Driving fan work, cools down to wireless charging device inside.
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, and of the node wind-receiving fan main control module between thermistor R96 and resistance R95
One input terminal.
3. wireless charging device according to claim 1, it is characterised in that: the brightness detection module includes photo resistance
R97, resistance R98 and capacitor C93, the photo resistance R97 and resistance R98 series connection are followed by output end and ground in Voltage stabilizing module
Between, capacitor C93 is in parallel with resistance R98, and second of the node wind-receiving fan main control module between photo resistance R97 and resistance R98 is defeated
Enter end.
4. wireless charging device according to claim 3, it is characterised in that: the model of the photo resistance R97
GL5506。
5. wireless charging device according to claim 1, it is characterised in that: the Voltage stabilizing module is 5V Voltage stabilizing module, is adopted
It is realized with the DC-DC converter of model STI3470.
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, the fan main control module are realized using the single-chip microcontroller of model HT66F004-20.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821321637.0U CN208539629U (en) | 2018-08-16 | 2018-08-16 | A kind of wireless charging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821321637.0U CN208539629U (en) | 2018-08-16 | 2018-08-16 | A kind of wireless charging device |
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| Publication Number | Publication Date |
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| CN208539629U true CN208539629U (en) | 2019-02-22 |
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ID=65378462
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821321637.0U Active CN208539629U (en) | 2018-08-16 | 2018-08-16 | A kind of wireless charging device |
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| Country | Link |
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| CN (1) | CN208539629U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888867A (en) * | 2019-02-27 | 2019-06-14 | 维沃移动通信有限公司 | A kind of charging method and mobile terminal |
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2018
- 2018-08-16 CN CN201821321637.0U patent/CN208539629U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888867A (en) * | 2019-02-27 | 2019-06-14 | 维沃移动通信有限公司 | A kind of charging method and mobile terminal |
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