CN110162158A - Charge radiating circuit, method, wearable device and computer readable storage medium - Google Patents
Charge radiating circuit, method, wearable device and computer readable storage medium Download PDFInfo
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- CN110162158A CN110162158A CN201910455519.1A CN201910455519A CN110162158A CN 110162158 A CN110162158 A CN 110162158A CN 201910455519 A CN201910455519 A CN 201910455519A CN 110162158 A CN110162158 A CN 110162158A
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- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/163—Wearable computers, e.g. on a belt
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/203—Cooling means for portable computers, e.g. for laptops
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F2200/20—Indexing scheme relating to G06F1/20
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Abstract
This application discloses a kind of charging radiating circuit, method, wearable device and computer readable storage mediums, the charging radiating circuit includes: cradle lateral circuit, metal-oxide-semiconductor and control module, control module includes control terminal, control terminal is connected with metal-oxide-semiconductor and charging interface, and control terminal is used to control the on state of metal-oxide-semiconductor.The charging heat dissipating method includes: to determine whether CPU receives the input instruction of wearable device during wearable device is charged；If CPU receives input instruction, the current potential of metal-oxide-semiconductor grid is adjusted by CPU；If the current potential is low potential, controls the PMI and charged by the VBUS of the charging interface, wherein the PMOS tube conducting, the NMOS tube are closed, and the fan system enters operating status.The present invention is solved when wearable device charges, the poor technical problem of heat dissipation effect.
Description
Technical field
This application involves electronic technology field more particularly to a kind of charging radiating circuit, method, wearable device and calculating
Machine readable storage medium storing program for executing.
Background technique
In recent years, the development of wearable device receives the favor of more and more users, and demand is also increasing, and
And large-size screen monitors trend is presented.The mode to charge at present for the charging modes of wearable device usually using charging base, i.e.,
The hard contact of wearable device is placed on charging base and is charged, but is performed such charging and easily causes charging
There is apparent fever phenomenon, especially user while using wearable device in pedestal and wearable device, to can wear
It wears equipment to charge, fever phenomenon can be more obvious.For this technical problem, current intelligent heat dissipation system has by can
Wearable device side fitting heat dissipation graphite flake increases condenser pipe either to radiate, but is constrained to the body of wearable device
Product, is not all available these cooling measures many times, so that wearable device when being charged, is still easy to out
The phenomenon that now generating heat.Therefore, how to improve heat dissipation effect when wearable device is charged become at present it is urgently to be resolved
Technical problem.
Summary of the invention
The main purpose of the present invention is to provide a kind of charging radiating circuit, method, wearable device and computers can
Read storage medium, it is intended to solve in the prior art when wearable device is charged, the poor technical problem of heat dissipation effect.
To achieve the above object, the embodiment of the present invention provides a kind of charging radiating circuit, and the charging radiating circuit includes:
Cradle lateral circuit, the cradle lateral circuit are equipped with fan system and charging interface, and the fan system is just
Pole is connected with the anode of the charging interface, and cathode is connected with the common end of the charging interface；
Metal-oxide-semiconductor, the metal-oxide-semiconductor are arranged between the anode and control terminal of the charging interface；
Control module, the control module include the control terminal, the control terminal and the metal-oxide-semiconductor and the charging
Mouth is connected, and the control terminal is used to control the on state of the metal-oxide-semiconductor.
Optionally, the metal-oxide-semiconductor includes PMOS tube and NMOS tube, and the drain electrode of the PMOS tube and the charging interface are just
Pole is connected, the source electrode of the PMOS tube is connected with supply voltage VDD；
The source electrode of the NMOS tube is connected with the anode of the charging interface, the grid of the NMOS tube and the PMOS
The grid of pipe is connected, and the drain electrode of the NMOS tube is connected with the control terminal.
Optionally, the control terminal includes CPU, power supply chip PMI,
The CPU is connected with the PMI, and is connected with the grid of the metal-oxide-semiconductor, and the CPU is for receiving and can wear
The input instruction of equipment is worn, and to current potential corresponding with the output input instruction of the grid of the metal-oxide-semiconductor, described in control
The on state of metal-oxide-semiconductor；
The PMI is connected with the drain electrode of NMOS, the power supply wiring VBUS of charging interface, cathode with common end respectively.
In addition, to achieve the above object, the present invention also provides a kind of charging heat dissipating methods, radiate applied to above-mentioned charging
Circuit, the charging heat dissipating method the following steps are included:
During wearable device is charged, determine whether the CPU receives the defeated of the wearable device
Enter instruction；
If the CPU receives the input instruction, the current potential of the metal-oxide-semiconductor grid is adjusted by the CPU；
If the current potential is low potential, controls the PMI and is charged by the VBUS of the charging interface, wherein
The PMOS tube conducting, the NMOS tube are closed, and the fan system enters operating status.
Optionally, the step of current potential that the CPU and the metal-oxide-semiconductor grid are determined according to the input instruction it
Afterwards, comprising:
If the current potential is high potential, controls the PMI and is charged by the anode of the charging interface, wherein
The NMOS transistor conduction, the PMOS tube are closed, and the fan system enters halted state.
Optionally, the input instruction includes open command and out code, if the CPU receives the input
The step of instructing, then the current potential of the metal-oxide-semiconductor grid being adjusted by the CPU, comprising:
If the CPU receives open command, the current potential of the metal-oxide-semiconductor grid is adjusted to by low electricity by the CPU
Position；
If the CPU receives out code, the current potential of the metal-oxide-semiconductor grid is adjusted to by high electricity by the CPU
Position.
Optionally, after whether the determination CPU receives the step of input instruction of the wearable device, packet
It includes:
If the CPU does not receive the input instruction of the wearable device, the PMI passes through the charging interface
Anode charges, and the fan system is in halted state.
Optionally, if the CPU does not receive the input instruction of the wearable device, the PMI passes through institute
The step of anode for stating charging interface charges, and the fan system is in halted state, comprising:
If the CPU does not receive the input instruction of the wearable device, the high potential control exported according to the CPU
It makes the PMI to charge by the anode of the charging interface, wherein the NMOS transistor conduction, the PMOS tube are closed, institute
It states fan system and enters halted state.
In addition, to achieve the above object, the present invention also provides a kind of wearable devices；
The wearable device includes: memory, processor and is stored on the memory and can be in the processor
The computer program of upper operation, in which:
The step of charging heat dissipating method as described above is realized when the computer program is executed by the processor.
In addition, to achieve the above object, the present invention also provides computer storage mediums；
Computer program, the realization when computer program is executed by processor are stored in the computer storage medium
Such as the step of above-mentioned charging heat dissipating method.
A kind of charging radiating circuit, method, wearable device and the computer-readable storage medium that the embodiment of the present invention proposes
Matter, by determining whether the CPU receives the input of the wearable device during wearable device is charged
Instruction；If the CPU receives the input instruction, the current potential of the metal-oxide-semiconductor grid is adjusted by the CPU；If described
Current potential is low potential, then controls the PMI and charged by the VBUS of the charging interface, wherein the PMOS tube conducting,
The NMOS tube is closed, and the fan system enters operating status.It is determined by the way that whether determining CPU receives input instruction
Current potential between CPU and the grid of metal-oxide-semiconductor, and when current potential is low potential, control PMI is filled by the VBUS of charging interface
Electricity, open fan system, thus reduce wearable device charged when charge power while, carry out fan blowing drop
Temperature improves the heat dissipation effect of wearable device, when avoiding wearable device and being charged, due to that can not radiate, and causes
The higher and higher phenomenon of the temperature of wearable device occurs, and improves safety when wearable device charging, and solves existing
Have in technology when wearable device is charged, the poor technical problem of heat dissipation effect.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without any creative labor, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of hardware structural diagram of embodiment of wearable device provided in an embodiment of the present invention；
Fig. 2 provides wearable device a kind of hardware schematic at the first visual angle of embodiment for the embodiment of the present application；
Fig. 3 provides wearable device a kind of hardware schematic at the second visual angle of embodiment for the embodiment of the present application；
Fig. 4 provides a kind of hardware schematic at embodiment third of wearable device visual angle for the embodiment of the present application；
Fig. 5 is a kind of hardware schematic at the 4th visual angle of embodiment of wearable device provided by the embodiments of the present application；
Fig. 6 provides the electrical block diagram of charging radiating circuit for the embodiment of the present application；
Fig. 7 provides the flow diagram of charging heat dissipating method first embodiment for the embodiment of the present application；
Fig. 8 provides the scene that wearable device is charged by cradle in charging heat dissipating method for the embodiment of the present application
Schematic diagram.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
In subsequent description, it is only using the suffix for indicating such as " module ", " component " or " unit " of element
Be conducive to explanation of the invention, itself there is no a specific meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
The wearable device provided in the embodiment of the present invention includes that Intelligent bracelet, smartwatch and smart phone etc. move
Dynamic terminal.With the continuous development of Screen Technology, the appearance of the screens form such as flexible screen, Folding screen, smart phone etc. is mobile eventually
End can also be used as wearable device.The wearable device provided in the embodiment of the present invention may include: RF (Radio
Frequency, radio frequency) unit, WiFi module, audio output unit, A/V (audio/video) input unit, sensor, display
The components such as unit, user input unit, interface unit, memory, processor and power supply.
It will be illustrated by taking wearable device as an example in subsequent descriptions, referring to Fig. 1, its each implementation to realize the present invention
A kind of hardware structural diagram of wearable device of example, which may include: RF (Radio
Frequency, radio frequency) unit 101, WiFi module 102, audio output unit 103, A/V (audio/video) input unit 104,
Sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, Yi Ji electricity
The components such as source 111.It will be understood by those skilled in the art that wearable device structure shown in Fig. 1 is not constituted to wearable
The restriction of equipment, wearable device may include perhaps combining certain components or difference than illustrating more or fewer components
Component layout.
It is specifically introduced below with reference to all parts of the Fig. 1 to wearable device:
Radio frequency unit 101 can be used for receiving and sending messages or communication process in, signal sends and receivees, specifically, radio frequency list
Uplink information can be sent to base station by member 101, and after the downlink information that in addition can also be sent base station receives, being sent to can be worn
The processor 110 for wearing equipment is handled, and base station can be to the downlink information that radio frequency unit 101 is sent and be sent out according to radio frequency unit 101
What the uplink information sent generated, it is also possible to actively push away to radio frequency unit 101 after the information update for detecting wearable device
It send, for example, base station can penetrating to wearable device after detecting that geographical location locating for wearable device changes
Frequency unit 101 sends the message informing of geographical location variation, and radio frequency unit 101, can should after receiving the message informing
The processor 110 that message informing is sent to wearable device is handled, and it is logical that the processor 110 of wearable device can control the message
Know on the display panel 1061 for being shown in wearable device；In general, radio frequency unit 101 include but is not limited to antenna, at least one
Amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, radio frequency unit 101 can also pass through channel radio
Letter communicated with network and other equipment, specifically may include: by wireless communication with the server communication in network system, example
Such as, wearable device can download file resource from server by wireless communication, for example can download and answer from server
With program, after wearable device completes the downloading of a certain application program, if the corresponding file of the application program in server
Resource updates, then the server can be by wireless communication to the message informing of wearable device push resource updates, to remind
User is updated the application program.Any communication standard or agreement can be used in above-mentioned wireless communication, including but not limited to
GSM (Global System of Mobile communication, global system for mobile communications), GPRS (General
Packet Radio Service, general packet radio service), CDMA2000 (Code Division Multiple Access
2000, CDMA 2000), (Wideband Code Division Multiple Access, wideband code division are more by WCDMA
Location), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, time division synchronous
CDMA), (Frequency Division Duplexing-Long Term Evolution, frequency division duplex are long by FDD-LTE
Phase evolution) and TDD-LTE (Time Division Duplexing-Long Term Evolution, time division duplex are drilled for a long time
Into) etc..
In one embodiment, wearable device 100 can access existing communication network by insertion SIM card.
In another embodiment, wearable device 100 can be come real by the way that esim card (Embedded-SIM) is arranged
Existing communication network is now accessed, by the way of esim card, the inner space of wearable device can be saved, reduce thickness.
It is understood that although Fig. 1 shows radio frequency unit 101, but it is understood that, radio frequency unit 101 its
And it is not belonging to must be configured into for wearable device, it can according to need within the scope of not changing the essence of the invention and save completely
Slightly., wearable device 100 can realize the communication connection with other equipment or communication network separately through wifi module 102,
The embodiment of the present invention is not limited thereto.
WiFi belongs to short range wireless transmission technology, and wearable device can help user to receive and dispatch by WiFi module 102
Email, browsing webpage and access streaming video etc., it provides wireless broadband internet access for user.Although Fig. 1
WiFi module 102 is shown, but it is understood that, and it is not belonging to must be configured into for wearable device, it completely can root
It is omitted within the scope of not changing the essence of the invention according to needs.
Audio output unit 103 can be in call signal reception pattern, call mode, record in wearable device 100
When under the isotypes such as mode, speech recognition mode, broadcast reception mode, by radio frequency unit 101 or WiFi module 102 it is received or
The audio data that person stores in memory 109 is converted into audio signal and exports to be sound.Moreover, audio output unit
103 can also provide audio output relevant to the specific function that wearable device 100 executes (for example, call signal reception sound
Sound, message sink sound etc.).Audio output unit 103 may include loudspeaker, buzzer etc..
A/V input unit 104 is for receiving audio or video signal.A/V input unit 104 may include graphics processor
(Graphics Processing Unit, GPU) 1041 and microphone 1042, graphics processor 1041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 106.Through graphics processor 1041, treated that picture frame can be deposited
Storage is sent in memory 109 (or other storage mediums) or via radio frequency unit 101 or WiFi module 102.Mike
Wind 1042 can connect in telephone calling model, logging mode, speech recognition mode etc. operational mode via microphone 1042
Quiet down sound (audio data), and can be audio data by such acoustic processing.Audio that treated (voice) data can
To be converted to the format output that can be sent to mobile communication base station via radio frequency unit 101 in the case where telephone calling model.
Microphone 1042 can be implemented various types of noises elimination (or inhibition) algorithms and send and receive sound to eliminate (or inhibition)
The noise generated during frequency signal or interference.
In one embodiment, wearable device 100 includes one or more cameras, by opening camera,
It can be realized the capture to image, realize the functions such as take pictures, record a video, the position of camera, which can according to need, to be configured.
Wearable device 100 further includes at least one sensor 105, for example, optical sensor, motion sensor and other
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to ring
The light and shade of border light adjusts the brightness of display panel 1061, proximity sensor can when wearable device 100 is moved in one's ear,
Close display panel 1061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions
The size of (generally three axis) acceleration, can detect that size and the direction of gravity, can be used to identify mobile phone posture when static
It (for example pedometer, is struck using (such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function
Hit) etc..
In one embodiment, wearable device 100 further includes proximity sensor, can by using proximity sensor
Wearable device can be realized non-contact manipulation, provide more modes of operation.
In one embodiment, wearable device 100 further includes heart rate sensor, when wearing, by close to using
Person can be realized the detecting of heart rate.
In one embodiment, wearable device 100 can also include that fingerprint sensor can by reading fingerprint
Realize the functions such as safety verification.
Display unit 106 is for showing information input by user or being supplied to the information of user.Display unit 106 can wrap
Display panel 1061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 1061.
In one embodiment, display panel 1061 uses flexible display screen, and wearable using flexible display screen sets
For when wearing, screen is able to carry out bending, to more be bonded.Optionally, the flexible display screen can use OLED screen
Body and graphene screen body, in other embodiments, the flexible display screen is also possible to other display materials, the present embodiment
It is not limited thereto.
In one embodiment, the display panel 1061 of wearable device can take rectangle, ring when convenient for wearing
Around.In other embodiments, other modes can also be taken.
User input unit 107 can be used for receiving the number or character information of input, and generate and wearable device
User setting and the related key signals input of function control.Specifically, user input unit 107 may include touch panel 1071
And other input equipments 1072.Touch panel 1071, also referred to as touch screen collect the touch behaviour of user on it or nearby
Make (for example user uses any suitable objects or attachment such as finger, stylus on touch panel 1071 or in touch panel
Operation near 1071), and corresponding attachment device is driven according to preset formula.Touch panel 1071 may include touching
Two parts of detection device and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch behaviour
Make bring signal, transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and
It is converted into contact coordinate, then gives processor 110, and order that processor 110 is sent can be received and executed.This
Outside, touch panel 1071 can be realized using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.In addition to touching
Panel 1071 is controlled, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072
It can include but is not limited to physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operation
One of bar etc. is a variety of, specifically herein without limitation.
In one embodiment, one or more buttons have can be set in the side of wearable device 100.Button can be with
The various ways such as short-press, long-pressing, rotation are realized, to realize a variety of operating effects.The quantity of button can be different to be multiple
It can be applied in combination between button, realize a variety of operating functions.
Further, touch panel 1071 can cover display panel 1061, when touch panel 1071 detect on it or
After neighbouring touch operation, processor 110 is sent to determine the type of touch event, is followed by subsequent processing device 110 according to touch thing
The type of part provides corresponding visual output on display panel 1061.Although in Fig. 1, touch panel 1071 and display panel
1061 be the function that outputs and inputs of realizing wearable device as two independent components, but in certain embodiments,
Touch panel 1071 and display panel 1061 can be integrated and be realized the function that outputs and inputs of wearable device, specifically herein
Without limitation.For example, processor 110 can be controlled when receiving the message informing of a certain application program by radio frequency unit 101
The message informing show in a certain predeterminable area of display panel 1061 by system, the predeterminable area and touch panel 1071 certain
One region is corresponding, can be to corresponding to area on display panel 1061 by carrying out touch control operation to a certain region of touch panel 1071
The message informing shown in domain is controlled.
Interface unit 108 be used as at least one external device (ED) connect with wearable device 100 can by interface.Example
Such as, external device (ED) may include wired or wireless headphone port, external power supply (or battery charger) port, You Xianhuo
Wireless data communications port, memory card port, the port for connecting the device with identification module, audio input/output (I/O) end
Mouth, video i/o port, ear port etc..Interface unit 108 can be used for receiving the input from external device (ED) (for example, number
It is believed that breath, electric power etc.) and the input received is transferred to one or more elements in wearable device 100 or can
For transmitting data between wearable device 100 and external device (ED).
In one embodiment, wearable device 100 interface unit 108 using contact structure, by contact with
Corresponding other equipment connection, realizes the functions such as charging, connection.Use contact can be with waterproof.
Memory 109 can be used for storing software program and various data.Memory 109 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 109 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 110 is the control centre of wearable device, utilizes various interfaces and the entire wearable device of connection
Various pieces, by running or execute the software program and/or module that are stored in memory 109, and call and be stored in
Data in memory 109 execute the various functions and processing data of wearable device, to carry out to wearable device whole
Monitoring.Processor 110 may include one or more processing units；Preferably, processor 110 can integrate application processor and modulation
Demodulation processor, wherein the main processing operation system of application processor, user interface and application program etc., modulation /demodulation processing
Device mainly handles wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Wearable device 100 can also include the power supply 111 (such as battery) powered to all parts, it is preferred that power supply
111 can be logically contiguous by power-supply management system and processor 110, thus charged by power-supply management system realization management,
The functions such as electric discharge and power managed.
Although Fig. 1 is not shown, wearable device 100 can also be including bluetooth module etc., and details are not described herein.It is wearable to set
Standby 100, by bluetooth, can connect with other terminal devices, realize communication and the interaction of information.
Fig. 2-Fig. 4 is please referred to, is the structure under a kind of a kind of embodiment of wearable device provided in an embodiment of the present invention
Schematic diagram.Wearable device in the embodiment of the present invention, including flexible screen.In wearable device expansion, flexible screen is in
Strip；When wearable device is in wearing state, flexible screen bending is annular in shape.Fig. 2 and Fig. 3 show wearable device
Structural schematic diagram when screen is unfolded, Fig. 4 show structural schematic diagram when wearable device screen-bending.
Based on above-mentioned each embodiment, it can be seen that if the equipment is wrist-watch, bracelet or wearable device
When, the screen of the equipment can not overlay device watchband region, can also be with the watchband region of overlay device.Here, this hair
Bright to propose a kind of optional embodiment, in the present embodiment, the equipment for wrist-watch, bracelet or wearable can be set
Standby, the equipment includes screen and interconnecting piece.The screen can be flexible screen, and the interconnecting piece can be watchband.It can
Choosing, the screen of the equipment or the viewing area of screen can be partly or completely covered on the watchband of equipment.Such as Fig. 5
Shown, Fig. 5 is a kind of a kind of hardware schematic of embodiment of wearable device provided by the embodiments of the present application, the equipment
Screen extends to two sides, and part is covered on the watchband of equipment.In other embodiments, the screen of the equipment can also be with
It is all covered on the watchband of the equipment, the embodiment of the present application is not limited thereto.
The present invention provides a kind of charging radiating circuit, which is mainly used on wearable device,
It specifically, is present invention charging radiating circuit referring to Fig. 6, Fig. 6 in present invention charging one embodiment of radiating circuit
The electrical block diagram of one embodiment.
In the present embodiment, charging radiating circuit includes: cradle lateral circuit 10, metal-oxide-semiconductor 20 and control module 30.
Cradle lateral circuit 10 is equipped with fan system 11 and charging interface 12, wherein the anode of fan system 11 and charging
The anode of interface 12 is connected, and the cathode of fan system 11 is connected with the public terminal GND of charging interface 12.
Metal-oxide-semiconductor 20 is arranged between the anode and control terminal of charging interface 12.By be connected different model metal-oxide-semiconductor 20 come
Realize the control to 11 operating status of fan system, thus when realizing wearable device charging, the function of intelligent heat dissipation.
Control module 30 can be control terminal, and control terminal is connected with metal-oxide-semiconductor 20, is also connected with charging interface 12.
And control terminal can be used for controlling the on state of metal-oxide-semiconductor 20, that is, be inputted not according to control terminal to the grid of metal-oxide-semiconductor 20
Same current potential, to realize the on state of different metal-oxide-semiconductors 20.For example, when control terminal is to the current potential that the grid of metal-oxide-semiconductor 20 inputs
When low potential, then the p-type metal-oxide-semiconductor that can control in metal-oxide-semiconductor 20 enters on state；When the grid of control terminal to metal-oxide-semiconductor 20 is defeated
When the current potential entered is high potential, then the N-type metal-oxide-semiconductor that can control metal-oxide-semiconductor 20 carries out on state.
In the present embodiment, in charging radiating circuit operational process, control module 30 can pass through control metal-oxide-semiconductor 20
On state carrys out the control for realizing the operating status to fan system 11 indirectly, so as to allow wearable device being filled
When electric, intelligent selection opens fan system 11, achievees the purpose that heat dissipation by fan system 11, avoids and be limited in the prior art
The generation in wearable device volume can not carry out intelligent heat dissipation the phenomenon that.
Further, in one embodiment, metal-oxide-semiconductor 20 includes PMOS tube P0 and NMOS tube N0.
The drain electrode of PMOS tube P0 is connected with the anode of charging interface, and source electrode is connected with supply voltage VDD and grid
It is connected with control end end.The source electrode of NMOS tube N0 is connected with the anode of charging interface 12 in cradle lateral circuit, grid and
The grid of PMOS tube P0 is connected, and drain electrode is connected with control terminal.Wherein, supply voltage VDD is provided by control terminal.
It should be noted that the grid of PMOS tube P0 and the grid of NMOS tube N0 are connected with the side GPIO-1 of control terminal
It connects, and when controlling the current potential of GPIO-1 output of end side is high potential, NMOS tube N0 can enter on state, PMOS tube P0 meeting
In nonconducting state, fan system 11 can be in halted state at this time.But the current potential of the GPIO-1 output when control end end side
When for low potential, NMOS tube N0 can enter nonconducting state, and PMOS tube P0 can be in the conductive state, and fan system 11 can be located at this time
In operating status.So as to be controlled according to the on state of the metal-oxide-semiconductor of different model to the operating status of fan system
System, improves intelligent heat dissipation effect when wearable device is charged.
Further, in one embodiment, control terminal includes CPU31, power supply chip PMI32 and wearable device screen
33。
Wearable device screen 33 is connected with CPU31, for receiving the input instruction of user's input, and input is instructed
It is transferred to CPU31, and CPU31 is connected with the grid of PMI32 and metal-oxide-semiconductor 20, wherein PMI32 does not have and metal-oxide-semiconductor 20
Grid foundation be directly connected to, PMI32 only respectively with the drain electrode of NMOS tube, the power supply wiring VBUS of charging interface, cathode, with
And common end is connected.When CPU31 has the input instruction for receiving the transmitting of wearable device screen 33, judge that the input instructs
It is to open the instruction of fan system, or close the instruction of fan system, if input instruction is the instruction of unlatching fan system,
Low potential is then exported by the side CPU31 GPIO-1, that is, when the grid of metal-oxide-semiconductor 20 detects that current potential is low potential, is then controlled
NMOS tube N0 in metal-oxide-semiconductor 20 processed is in nonconducting state, and PMOS tube P0 is in the conductive state, at this time the anode of charging interface 12
The channel for leading to the side PMI32 is turned off, and the anode of fan system can connect VDD power supply, to start fan system, allows fan system
In operating status, to achieve the purpose that charging cooling, the charging of wearable device at this time will use non-standard charging, as long as that is,
The VBUS for recognizing 12 side of charging interface charges in place, and software will carry out non-standard fill and limit electricity measure.
But when by judging that discovery input instruction is to close the instruction of fan system, then pass through the side CPU31 GPIO-1
High potential is exported, that is, when the grid of metal-oxide-semiconductor 20 detects that current potential is high potential, then controls the NMOS tube in metal-oxide-semiconductor 20
N0 is in the conductive state, and PMOS tube P0 is in nonconducting state, and the anode of charging interface 12 leads to the channel quilt of the side PMI32 at this time
It opens, the channel that the anode of fan system leads to VDD power supply is disconnected, wearable at this time to set to stop the operation of fan system
It is standby to be in normal charging condition, to allow wearable device to be rapidly filled with electricity.
The charging radiating circuit that the present embodiment proposes, by controlling when charging interface 12 charges to wearable device
Molding block 30 controls the conducting of the metal-oxide-semiconductor 20 of different model, to reach the intelligence realized to the operating status of fan system 11
Control has ensured that wearable device charges to improve the intelligent effect to radiate when wearable device charging
Safety.
The present invention also provides a kind of charging heat dissipating methods, are that present invention charging heat dissipating method first is implemented referring to Fig. 7, Fig. 7
The flow diagram of example.
In the present embodiment, which is applied to the charging radiating circuit of above-described embodiment.
The charging heat dissipating method the following steps are included:
It is described wearable to determine whether the CPU receives during wearable device is charged by step S10
The input of equipment instructs；
Before wearable device is charged by charging base, first intelligent fan is designed in cradle side, and
When wearable device is charged using charging base, whether user can open intelligent wind by unrestricted choice in wearable device
Fan.When wearable device is placed in cradle by user, and user does not operate wearable device screen interface and is filled with opening
When the intelligent fan system of electric seat side, that is, when CPU does not receive the input instruction of wearable device, in wearable device
CPU side GPIO-1 can default output high potential, that is, the grid of metal-oxide-semiconductor can detect current potential for high potential, in metal-oxide-semiconductor
NMOS tube NO can be turned on, and on state, and the PMOS tube in metal-oxide-semiconductor can be closed, and into nonconducting state, be filled at this time
The fan system of electric seat side will not be activated, and wearable device is in normal charging condition.But when CPU receive it is wearable
When the input instruction of equipment, it is also necessary to the type of this input instruction is determined, so that CPU exports corresponding current potential.
Step S20 adjusts the metal-oxide-semiconductor grid by the CPU if the CPU receives the input instruction
Current potential；
When CPU receive wearable device input instruction when, and input instruction for open fan instruction, then CPU with
Current potential between the grid of metal-oxide-semiconductor will be become low potential from high potential, and the NMOS tube NO in metal-oxide-semiconductor can be closed, and entrance is non-
On state, and the PMOS tube in metal-oxide-semiconductor can be turned on, on state, at this point, fan system will be activated, intelligence
Fan start-up operation is radiated, and the charging modes of wearable device will become non-standard charging, that is, by VBUS into
Row charging.But when input instruction is the instruction for closing fan, then the current potential between CPU and the grid of metal-oxide-semiconductor will be high electricity
, the PMOS tube in metal-oxide-semiconductor can be closed, and into nonconducting state, and the NMOS tube in metal-oxide-semiconductor can be turned on, into conducting
State, that is, fan can be out of service, and the charging modes of wearable device become charging normal mode.Therefore, wearable
It when equipment is charged using charging base, needs to obtain the current potential between CPU and the grid of metal-oxide-semiconductor at any time, and judges this electricity
Whether position is low potential or high potential, and different operations is executed according to different judging results.
Step S30 controls the PMI and is filled by the VBUS of the charging interface if the current potential is low potential
Electricity, wherein the PMOS tube conducting, the NMOS tube are closed, and the fan system enters operating status；
When by judge discovery current potential for low potential, then the NMOS tube in metal-oxide-semiconductor can be closed, that is, wearable be set
The anode of PMI and charging interface in standby can be turned off, and the PMOS tube in metal-oxide-semiconductor can be switched on, and the anode of fan system is allowed to connect
Logical VDD power supply, and VDD power supply is provided by the side PMI, fan system can be switched at this time, and intelligent fan is allowed to enter operation shape
State carries out radiating treatment.And since the anode of PMI and charging interface in wearable device have disconnected, PMI and VBUS be just at this time
It can be in connected state, wearable device is allowed to carry out non-standard charging.
It should be noted that when the current potential between CPU and metal-oxide-semiconductor grid is the PMOS tube in high potential, that is, metal-oxide-semiconductor
It can be closed, NMOS tube can be turned on, and fan system can enter run-stopping status, and the charging modes meeting of wearable device
It is restored to the mode of charging normal.Wherein, wearable device is charged using the mode of charging normal respectively using the same time,
It charges with non-standard charging modes, the electricity to be charged using the mode of charging normal will significantly larger than be filled using non-standard
The electricity that electric mode charges.
In order to assist understanding wearable device in charging, the principle of work and power to radiate is exemplified below.
For example, as shown in figure 8, when wearable device being placed on cradle being charged, that is, when user can
When wearable device (such as intelligent wrist machine) is placed on cradle, when user opens intelligent fan system in non-operation display interface, CPU side
GPIO-1 default output high potential, NMOS tube N0 is opened at this time, and PMOS tube P0 is closed, and entire wrist machine system is in charged state；
Temperature is higher when user uses when charging, and user only needs to open intelligent fan button at this time, the GPIO-1 of CPU side after unlatching
Low potential is exported, NMOS tube N0 is closed at this time, and PMOS tube P0 is opened, and the access that the anode of cradle side leads to the side PMI is turned off,
Fan anode connects VDD power supply (VDD power supply is provided by the side PMI), and opens intelligent fan system, and intelligent fan is allowed to carry out work
Make, to achieve the purpose that cooling, charging will use non-standard charging at this time.But when user closes intelligent fan system, CPU
The GPIO-1 of side exports high potential, closes PMOS tube, opens NMOS tube, and fan is closed at this time, and charges and restore to default charging
State.
In the present embodiment, by determining whether the CPU receives institute during wearable device is charged
State the input instruction of wearable device；If the CPU receives the input instruction, the metal-oxide-semiconductor is adjusted by the CPU
Grid current potential；If the current potential is low potential, controls the PMI and is charged by the VBUS of the charging interface,
Wherein, the PMOS tube conducting, the NMOS tube are closed, and the fan system enters operating status.By determining whether CPU connects
Input instruction is received to determine the current potential between CPU and the grid of metal-oxide-semiconductor, and when current potential is low potential, control PMI is by filling
The VBUS of electrical interface charges, and opens fan system, thus the charge power when reducing wearable device and being charged
Meanwhile fan blowing cooling is carried out, and the heat dissipation effect of wearable device is improved, when avoiding wearable device and being charged,
Due to that can not radiate, and the phenomenon for causing the temperature of wearable device higher and higher occurs, when improving wearable device charging
Safety, and solve in the prior art when wearable device is charged, the poor technical problem of heat dissipation effect.
Further, on the basis of first embodiment of the invention, propose present invention charging heat dissipating method second is real
Example is applied, the present embodiment is the step S20 of first embodiment of the invention, determines the CPU and MOS according to input instruction
After the step of current potential of tube grid, comprising:
Step a controls the PMI and is charged by the anode of the charging interface if the current potential is high potential,
Wherein, the NMOS transistor conduction, the PMOS tube are closed, and the fan system enters halted state.
When by judging to find current potential as high potential, the grid of metal-oxide-semiconductor can detect that current potential is high potential at this time, also
That NMOS tube in metal-oxide-semiconductor can be in the conductive state, and the PMOS tube in metal-oxide-semiconductor can be in nonconducting state, at this time PMI can and
The anode of charging interface is connected, thus charged normal, but the anode of fan system is not connected with VDD power supply,
It is only connected with the anode in charging interface, just has two circuit branch at this time.One is the electric current of charging interface to fan
System returns from PMI the cathode of charging interface to PMI；Another is that the electric current of charging interface directly arrives PMI, and from PMI
Return the cathode of charging interface.It will be apparent that can be short-circuited with that circuit branch of fan system, fan at this time
System can enter halted state.
In the present embodiment, by the way that when current potential is high potential, control PMOS tube enters nonconducting state, NMOS tube enters
On state, thus make fan system out of service, thus when having ensured that wearable device is charged, the intelligence of heat sinking function
Effect can be changed.
Further, if the CPU receives the input instruction, the metal-oxide-semiconductor grid are adjusted by the CPU
The step of current potential of pole, comprising:
Step b is adjusted the current potential of the metal-oxide-semiconductor grid by the CPU if the CPU receives open command
For low potential；
It should be noted that in the present embodiment, input instruction includes open command and out code.Wherein, unlatching refers to
Order is exactly to open the instruction of fan, and out code is exactly to close the instruction of fan.
When receiving the open command of wearable device in CPU, then CPU side GPIO-1 exports low potential, that is,
The current potential of metal-oxide-semiconductor grid can be adjusted to low potential from high potential by CPU, and the PMOS tube in metal-oxide-semiconductor can be become by closed state at this time
For on state, and NMOS tube then can become closed state from state.
Step c is adjusted the current potential of the metal-oxide-semiconductor grid by the CPU if the CPU receives out code
For high potential.
When receiving the out code of wearable device in CPU, then CPU can be according to this out code come by CPU
Current potential between side GPIO-1 output high potential, that is, CPU and metal-oxide-semiconductor grid can be adjusted to high potential, at this time in metal-oxide-semiconductor
NMOS tube can be become on state from closed state, and PMOS tube then can become closed state from state.
In the present embodiment, it by receiving the different operation of different input instruction executions according to CPU, that is, exports not
Same current potential, to control the on state of metal-oxide-semiconductor, to reach the operation for indirectly controlling fan, improve user uses body
Test sense.
Further, on the basis of first embodiment of the invention, the third for proposing present invention charging heat dissipating method is real
Example is applied, the present embodiment is the step S10 of first embodiment of the invention, determines whether the CPU receives the wearable device
Input instruction the step of after, comprising:
Step d, if the CPU does not receive the input instruction of the wearable device, the PMI passes through the charging
The anode of interface charges, and the fan system is in halted state.
When by judging that discovery CPU is not received by the input instruction of wearable device, it can be defaulted as at this time wearable
Equipment is being charged normal, that is, the PMI in wearable device can be charged by the anode of charging interface, at this time
Fan system is in short-circuit condition, will not run, that is, fan system is in halted state.
In the present embodiment, by allowing PMI to carry out by the anode of charging interface when CPU does not receive input instruction
Charging makes wearable device at full charge in time to ensure the efficiency of charging.
Specifically, if the CPU does not receive the input instruction of the wearable device, the PMI is filled by described
The step of anode of electrical interface charges, and the fan system is in halted state, comprising:
Step f, if the CPU does not receive the input instruction of the wearable device, the height exported according to the CPU
PMI described in control of Electric potentials is charged by the anode of the charging interface, wherein the NMOS transistor conduction, the PMOS tube
It closes, the fan system enters halted state.
When by judging that discovery CPU does not receive the input instruction of wearable device, then CPU side GPIO-1 defaults at this time
Exporting the current potential between high potential, that is, CPU and metal-oxide-semiconductor grid is high potential, and the NMOS tube in metal-oxide-semiconductor can be in and lead at this time
Logical state, and the PMOS tube in metal-oxide-semiconductor can be in nonconducting state, PMI can be connected with the anode of charging interface at this time, thus
It is charged normal, and fan system can be short-circuited, and be at halted state.
In the present embodiment, by defaulting the current potential between CPU and metal-oxide-semiconductor grid when CPU does not receive input instruction
For high potential, to allow wearable device to charge by the anode of charging interface, to ensure filling for wearable device
Electrical efficiency.
The present invention also provides a kind of wearable device, the wearable device includes: memory, processor, communication bus
And it is stored in the computer program on the memory:
The communication bus is for realizing the connection communication between processor and memory；
The processor is for executing the computer program, to realize the step of above-mentioned each embodiment of charging heat dissipating method
Suddenly.
The present invention also provides a kind of computer readable storage medium, the computer-readable recording medium storage has one
Perhaps more than one program the one or more programs can also be executed by one or more than one processor with
The step of embodiment each for realizing above-mentioned charging heat dissipating method.
Computer readable storage medium specific embodiment of the present invention and the basic phase of above-mentioned each embodiment of charging heat dissipating method
Together, details are not described herein.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of charging radiating circuit, which is characterized in that the charging radiating circuit includes:
Cradle lateral circuit, the cradle lateral circuit be equipped with fan system and charging interface, the fan system anode and
The anode of the charging interface is connected, and cathode is connected with the common end of the charging interface；
Metal-oxide-semiconductor, the metal-oxide-semiconductor are arranged between the anode and control terminal of the charging interface；
Control module, the control module include the control terminal, the control terminal and the metal-oxide-semiconductor and the charging interface phase
Connection, the control terminal are used to control the on state of the metal-oxide-semiconductor.
2. charging radiating circuit as described in claim 1, which is characterized in that the metal-oxide-semiconductor includes PMOS tube and NMOS tube,
The drain electrode of the PMOS tube is connected with the anode of the charging interface, the source electrode of the PMOS tube and supply voltage VDD
It is connected；
The source electrode of the NMOS tube is connected with the anode of the charging interface, the grid of the NMOS tube and the PMOS tube
Grid is connected, and the drain electrode of the NMOS tube is connected with the control terminal.
3. such as claim 1-2 any one of charging radiating circuit, which is characterized in that the control terminal includes CPU, electricity
Source chip PMI,
The CPU is connected with the PMI, and is connected with the grid of the metal-oxide-semiconductor, and the CPU is for receiving wearable set
Standby input instruction, and to current potential corresponding with the output input instruction of the grid of the metal-oxide-semiconductor, to control the metal-oxide-semiconductor
On state；
The PMI is connected with the drain electrode of NMOS, the power supply wiring VBUS of charging interface, cathode with common end respectively.
4. a kind of charging heat dissipating method, which is characterized in that be applied to charging radiating circuit as claimed in claim 3, the charging
Heat dissipating method the following steps are included:
During wearable device is charged, determine whether the CPU receives the input of the wearable device and refer to
It enables；
If the CPU receives the input instruction, the current potential of the metal-oxide-semiconductor grid is adjusted by the CPU；
If the current potential is low potential, controls the PMI and charged by the VBUS of the charging interface, wherein is described
PMOS tube conducting, the NMOS tube are closed, and the fan system enters operating status.
5. charging heat dissipating method as claimed in claim 4, which is characterized in that described according to input instruction determination
After the step of current potential of CPU and the metal-oxide-semiconductor grid, comprising:
If the current potential is high potential, controls the PMI and charged by the anode of the charging interface, wherein is described
NMOS transistor conduction, the PMOS tube are closed, and the fan system enters halted state.
6. charging heat dissipating method as claimed in claim 4, which is characterized in that the input instruction includes open command and closing
Instruction,
If the CPU receives the input instruction, the step of the current potential of the metal-oxide-semiconductor grid is adjusted by the CPU
Suddenly, comprising:
If the CPU receives open command, the current potential of the metal-oxide-semiconductor grid is adjusted to by low potential by the CPU；
If the CPU receives out code, the current potential of the metal-oxide-semiconductor grid is adjusted to by high potential by the CPU.
7. charging heat dissipating method as claimed in claim 4, which is characterized in that whether the determination CPU receives described
After the step of input instruction of wearable device, comprising:
If the CPU does not receive the input instruction of the wearable device, the PMI passes through the anode of the charging interface
It charges, the fan system is in halted state.
8. charging heat dissipating method as claimed in claim 7, which is characterized in that if the CPU is not received and described can be worn
The input instruction of equipment is worn, then the PMI is charged by the anode of the charging interface, and the fan system, which is in, to be stopped
The step of state, comprising:
If the CPU does not receive the input instruction of the wearable device, institute is controlled according to the high potential of CPU output
It states PMI to charge by the anode of the charging interface, wherein the NMOS transistor conduction, the PMOS tube are closed, the wind
Fan system enters halted state.
9. a kind of wearable device, which is characterized in that the wearable device includes:
Memory, processor and it is stored in the computer program that can be run on the memory and on the processor；
The charging heat dissipation as described in any one of claim 4 to 8 is realized when the computer program is executed by the processor
The step of method.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes such as charging heat dissipating method described in any item of the claim 1 to 8 when the computer program is executed by processor
The step of.
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