CN110325012A - Mobile terminal and its radiating subassembly - Google Patents
Mobile terminal and its radiating subassembly Download PDFInfo
- Publication number
- CN110325012A CN110325012A CN201810265052.XA CN201810265052A CN110325012A CN 110325012 A CN110325012 A CN 110325012A CN 201810265052 A CN201810265052 A CN 201810265052A CN 110325012 A CN110325012 A CN 110325012A
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- China
- Prior art keywords
- radiating
- heat
- heating device
- fan
- screening cover
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Classifications
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- 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
-
- 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
- G06F1/206—Cooling means comprising thermal management
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
Abstract
The invention discloses a kind of mobile terminal and its radiating subassemblies, for the defect that existing heat sink conception space hold is big, manufacturing cost is high；The radiating subassembly includes heating device；Screening cover is connect with heating device；Radiating piece is connect with screening cover, and the heat that heating device generates is conducted by screening cover to radiating piece；Fan, for radiating to radiating piece；The forced convertion generated by fan, heat dissipation can be realized rapidly, and the screening cover progress directly using existing for being electromagnetically shielded is thermally conductive, the heat that heating device generates is conducted to radiating piece, therefore the heat-conducting pieces such as heat conducting pipe need not be additionally set again, reduce the space hold of radiating subassembly, also eliminate the manufacturing cost of the heat-conducting pieces such as heat conducting pipe, it ensure that radiating efficiency simultaneously, therefore be conducive to promote user experience.
Description
Technical field
The present invention relates to heat dissipation of terminal technical fields, more specifically to a kind of mobile terminal and its radiating subassembly.
Background technique
With user's multiple demands, electronic product performance is required to become higher and higher, and radiating efficiency is to influence
One key factor of terminal capabilities, its performance of the low electronic product of radiating efficiency is extremely difficult to certain height, to user
Using and the popularization in market be all unfavorable.As it can be seen that the radiating efficiency for promoting electronic product is extremely important.Currently, electric
The heat dissipation of sub- equipment uses the modes such as heat conducting pipe and radiates, and the heat heat conducting pipe of euthermic chip is transmitted to radiating fin
On, to realize heat dissipation.
And with Intelligent Terminal and lightening development trend, the design of heat conducting pipe will lead to terminal to a certain extent
Lightening design concept has been violated in the increase of thickness, while heat conducting pipe is generally copper material, and manufacturing cost is also higher, nothing
By being user to be used or device manufacturer, all there is unfavorable factor, namely heat dissipation in lightening, manufacturing cost
There are tradeoffs, can not guarantee the lightening of terminal, and do not increase manufacturing cost additionally in the case where realizing good heat radiating.
Summary of the invention
The technical problem to be solved in the present invention is that: that there are space holds is big for existing heat dissipation of terminal scheme, and manufacturing cost is high.
For the technical problem, a kind of mobile terminal and its radiating subassembly are provided.
In order to solve the above technical problems, the present invention provides a kind of radiating subassembly, the radiating subassembly includes:
Heating device；Screening cover is connect with the heating device；Radiating piece is connect with the screen cover, the heater
The heat that part generates is conducted by the screening cover to the radiating piece；Fan, for radiating to the radiating piece.
Optionally, the screening cover is covered on above the heating device, and the interior shape of the screening cover and each institute
Heating device is stated to cooperate directly to contact.
Optionally, the radiating subassembly further include: heat-conducting piece, the screening cover pass through the heat-conducting piece and the heater
Part is connected, and the heat that the heating device generates is conducted through the heat-conducting piece to the screening cover.
Optionally, the heat-conducting piece includes following at least one boundary material: heat-conducting glue, phase-change material, heat-conducting elastomer
Material.
Optionally, the radiating piece be radiating fin, the radiating fin be welded on the screening cover or it is described dissipate
Hot fin is structure as a whole with the screening cover.
Optionally, the radiating subassembly further includes at least one air inlet, at least one air outlet；Where the air inlet
Aperture and the air outlet where aperture be not same aperture, cold air through the air inlet by fan, will be described scattered
Outside heat transfer to the air outlet on warmware.
Optionally, the radiating subassembly further includes control module, and the control module is electrically connected with the fan, is used for
Control the starting and closing of the fan.
Optionally, the control module includes temperature detection submodule, using detection sub-module and control submodule, institute
It states temperature detection submodule and is currently opened for detecting the temperature of the radiating piece, the application detection sub-module for detecting terminal
Dynamic application program；
The control submodule is used to detect that the temperature of the radiating piece is higher than in the temperature detection submodule and preset
First temperature value, and/or detect that the application program that terminal is currently up includes that the first kind is pre- using detection sub-module described
If using and do not include that the second class is default in application, control starts the fan；
The control submodule is also used to detect that the temperature of the radiating piece drops in the temperature detection submodule
Preset second temperature value, and/or detect that the application program that terminal is currently up does not include institute using detection sub-module described
It is default in application, controlling the closing fan to state the first kind, the preset second temperature value is less than or equal to default first temperature
Angle value.
Optionally, the control submodule is also used to detect that terminal was currently up answers using detection sub-module described
Including that the second class is default with program forcibly closes the fan in application, controlling, and the default application of the first kind includes game class
Type application, video playing application, the default application of second class include voice communication, recording.
Further, the present invention also provides a kind of mobile terminals, including radiating subassembly described in any of the above embodiments.
Beneficial effect
The present invention provides a kind of mobile terminal and its radiating subassembly, manufacture big for existing heat sink conception space hold at
This high defect；The radiating subassembly includes heating device；Screening cover is connect with heating device；Radiating piece is connect with screening cover,
The heat that heating device generates is conducted by screening cover to radiating piece；Fan, for radiating to radiating piece；Pass through fan
The forced convertion of generation can realize rapidly heat dissipation, and the screening cover directly using existing for being electromagnetically shielded carries out
It is thermally conductive, the heat that heating device generates is conducted to radiating piece, therefore the heat-conducting pieces such as heat conducting pipe need not be additionally set again, is reduced
The space hold of radiating subassembly, also eliminates the manufacturing cost of the heat-conducting pieces such as heat conducting pipe, while ensure that radiating efficiency, therefore
Be conducive to promote user experience.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
The hardware structural diagram of Fig. 1 each embodiment one optional mobile terminal to realize the present invention；
Fig. 2 is the overlooking structure diagram for the radiating subassembly that first embodiment of the invention provides；
Fig. 3 is the schematic cross-sectional view one for the radiating subassembly that first embodiment of the invention provides；
Fig. 4 is the schematic cross-sectional view two for the radiating subassembly that first embodiment of the invention provides；
Fig. 5 is the schematic cross-sectional view three for the radiating subassembly that first embodiment of the invention provides；
Fig. 6 is the schematic cross-sectional view for the radiating subassembly that second embodiment of the invention provides；
Fig. 7 is the air duct schematic diagram that second embodiment of the invention provides；
Fig. 8 is the structural schematic diagram for the control module that second embodiment of the invention provides；
Fig. 9 is the structural schematic diagram for the mobile terminal that third embodiment of the invention provides.
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.
Terminal can be implemented in a variety of manners.For example, terminal described in the present invention may include such as mobile phone, plate
Computer, laptop, palm PC, personal digital assistant (Personal Digital Assistant, PDA), portable
Media player (Portable Media Player, PMP), navigation device, wearable device, Intelligent bracelet, pedometer etc. move
The fixed terminals such as dynamic terminal, and number TV, desktop computer.
It will be illustrated by taking mobile terminal as an example in subsequent descriptions, it will be appreciated by those skilled in the art that in addition to special
Except element for moving purpose, the construction of embodiment according to the present invention can also apply to the terminal of fixed type.
Referring to Fig. 1, a kind of hardware structural diagram of its mobile terminal of each embodiment to realize the present invention, the shifting
Dynamic terminal 100 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, the components such as memory 109, processor 110 and power supply 111.It will be understood by those skilled in the art that shown in Fig. 1
Mobile terminal structure does not constitute the restriction to mobile terminal, and mobile terminal may include components more more or fewer than diagram,
Perhaps certain components or different component layouts are combined.
It is specifically introduced below with reference to all parts of the Fig. 1 to mobile terminal:
Radio frequency unit 101 can be used for receiving and sending messages or communication process in, signal sends and receivees, specifically, by base station
Downlink information receive after, to processor 110 handle；In addition, the data of uplink are sent to base station.In general, radio frequency unit 101
Including but not limited to antenna, at least one amplifier, transceiver, coupler, low-noise amplifier, duplexer etc..In addition, penetrating
Frequency unit 101 can also be communicated with network and other equipment by wireless communication.Any communication can be used in above-mentioned wireless communication
Standard or agreement, including but not limited to GSM (Global System of Mobile communication, global system for mobile telecommunications
System), GPRS (General Packet Radio Service, general packet radio service), CDMA2000 (Code
Division Multiple Access 2000, CDMA 2000), WCDMA (Wideband Code Division
Multiple Access, wideband code division multiple access), TD-SCDMA (Time Division-Synchronous Code
Division Multiple Access, TD SDMA), FDD-LTE (Frequency Division
Duplexing-Long Term Evolution, frequency division duplex long term evolution) and TDD-LTE (Time Division
Duplexing-Long Term Evolution, time division duplex long term evolution) etc..
WiFi belongs to short range wireless transmission technology, and mobile terminal can help user to receive and dispatch electricity by WiFi module 102
Sub- mail, browsing webpage and access streaming video etc., it provides wireless broadband internet access for user.Although Fig. 1 shows
Go out WiFi module 102, but it is understood that, and it is not belonging to must be configured into for mobile terminal, it completely can be according to need
It to omit within the scope of not changing the essence of the invention.
Audio output unit 103 can be in call signal reception pattern, call mode, record mould in mobile terminal 100
When under the isotypes such as formula, speech recognition mode, broadcast reception mode, by radio frequency unit 101 or WiFi module 102 it is received or
The audio data stored in memory 109 is converted into audio signal and exports to be sound.Moreover, audio output unit 103
Audio output relevant to the specific function that mobile terminal 100 executes can also be provided (for example, call signal receives sound, disappears
Breath receives 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.
Mobile terminal 100 further includes at least one sensor 105, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 1061, and proximity sensor can close when mobile terminal 100 is moved in one's ear
Display panel 1061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify the application of mobile phone posture
(such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, percussion) etc.；
The fingerprint sensor that can also configure as mobile phone, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer,
The other sensors such as hygrometer, thermometer, infrared sensor, details are not described herein.
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.
User input unit 107 can be used for receiving the number or character information of input, and generate the use with mobile terminal
Family setting and the related key signals input of function control.Specifically, user input unit 107 may include touch panel 1071 with
And other input equipments 1072.Touch panel 1071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 1071 or in touch panel 1071
Neighbouring operation), and corresponding attachment device is driven according to preset formula.Touch panel 1071 may include touch detection
Two parts of device and touch controller.Wherein, the touch orientation of touch detecting apparatus detection user, and detect touch operation band
The signal come, transmits a signal to touch controller；Touch controller receives touch information from touch detecting apparatus, and by it
It is converted into contact coordinate, then gives processor 110, and order that processor 110 is sent can be received and executed.In addition, can
To realize touch panel 1071 using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves.In addition to touch panel
1071, user input unit 107 can also include other input equipments 1072.Specifically, other input equipments 1072 can wrap
It includes but is not limited in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, operating stick etc.
It is one or more, specifically herein without limitation.
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 mobile terminal as two independent components, but in certain embodiments, it can
The function that outputs and inputs of mobile terminal is realized so that touch panel 1071 and display panel 1061 is integrated, is not done herein specifically
It limits.
Interface unit 108 be used as at least one external device (ED) connect with mobile terminal 100 can by interface.For example,
External device (ED) may include wired or wireless headphone port, external power supply (or battery charger) port, wired or nothing
Line data 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 mobile terminal 100 or can be with
For transmitting data between mobile terminal 100 and external device (ED).
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 mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part by running or execute the software program and/or module that are stored in memory 109, and calls and is stored in storage
Data in device 109 execute the various functions and processing data of mobile terminal, to carry out integral monitoring to mobile terminal.Place
Managing device 110 may include one or more processing units；Preferably, processor 110 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 110.
Mobile terminal 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, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
Although Fig. 1 is not shown, mobile terminal 100 can also be including bluetooth module etc., and details are not described herein.
Based on above-mentioned mobile terminal hardware configuration, each embodiment of the method for the present invention is proposed.
First embodiment
The heat dissipation of existing terminal heating device needs to be arranged special heat-conducting piece, such as heat conducting pipe, heat-conducting metal item etc.,
By heating device generate heat be transferred on radiating fin, and then by radiation or the modes such as free convection or fan into
Row heat dissipation, to reduce the temperature of heating device, promotes the performance of terminal.And the pursuit lightening for terminal with people, make
Terminal inner space is limited, will necessarily occupy certain terminal inner space by the way that special heat-conducting piece is arranged, and will also increase eventually
The total quality at end, it is clear that run counter to lightening design concept, be unfavorable for preferably meeting user demand；In addition, also increasing
The manufacturing cost of terminal.In order to solve this problem, the embodiment of the present invention provides a kind of radiating subassembly, refers to Fig. 2, and Fig. 2 is
Radiating subassembly overlooking structure diagram, the radiating subassembly 20 include:
Heating device 21, the heating device include but is not limited to CPU (Central Processing Unit) chip, GPU
(Graphics Processing Unit, graphics processor), PM (power supply), charging IC (charging chip), camera unit etc.
High power consumption chip, naturally it is also possible to be other euthermic chips, no longer illustrate one by one herein.
Screening cover 22 is connect with heating device 21, which can conduct the heat that heating device generates to screening cover
On 22.It should be noted that in existing terminal, in order to avoid between internal each device there are electromagnetic interference or by outside
Generally all screening cover can be arranged for corresponding device in the influence of electromagnetic interference, to shield the interference, guarantee that terminal works normally.
The screening cover that this programme dexterously must be provided with using this, effectively to be shifted to the heat that heating device generates, Jin Ershi
It now radiates, avoids the need for additional heat-conducting piece is arranged and be shifted come the heat generated to heating device, therefore you can be one
Determine to reduce occupancy of the radiating subassembly to this province of terminal with regard to limited space in degree, be conducive to do terminal it is more frivolous, with
The aesthetic of user is conformed better to, meets user for lightening aesthetic feeling demand.It will be evident that due to saving the devices such as heat conducting pipe
Part, therefore also effectively reduce terminal manufacturing cost.
It should be noted that screening cover is referred to as shielding case etc., usually it is made of metal material, such as metal
Aluminium, copper etc. have good thermal conductivity, therefore can guarantee effective thermally conductive, heat transfer efficiency height.In order to realize corresponding shielding
Effect needs to be completely covered corresponding device, and corresponding device is covered, i.e., surface area is relatively large, can be with heater
Part 21 comes into contact in a large area, it might even be possible to be contacted with the whole surface of heating device 21, compared with a heat conducting pipe is arranged, be led
Thermal effect is more preferable.
In the present embodiment, radiating subassembly 20 further includes radiating piece 23, which connect with screening cover 22, specifically can be with
It is radiating piece 23 to be welded on screening cover 22, or radiating piece 23 and screen cover 22 are directly made of one structure, will shields
Cover the heat on lid 22 conduct on radiating piece 23 namely heat that heating device 21 generates by the conduction of screening cover 22 to radiating
On part 23, heat is distributed by radiating piece 23.Radiating piece 23 can be radiating fin, using radiating fin and air it
Between come into contact in a large area and quickly dissipate the heat to the air.
For improving heat radiation efficiency, fan 24 can be set in the corresponding position of radiating piece 23, pass through fan blade rotating movable property
Raw forced convection, the heat on radiating piece 23 is dispersed into air more quickly.In some instances, fan 24 can be micro-
Type fan, size can achieve 9mm*9mm*3mm, even more small, for the heat dissipation to such as mobile terminals such as mobile phone, pad.
In order to better understand, Fig. 3 is referred to, Fig. 3 is the schematic cross-sectional view of radiating subassembly corresponding with Fig. 2.
In the present embodiment, screening cover 22 is covered on 21 top of heating device in other examples may above heating device
And not set screening cover, the heat that heating device generates can be conducted at this time to the screening cover closed on by one heat-conducting piece of setting
On, to radiate.
In the present embodiment, screening cover 22 is directly contacted with heating device 21, can be with continued reference to Fig. 3, it should be appreciated that
Directly contact that is to say that there is no other any components therebetween, are connect by screening cover 22 itself with heating device 21 in itself
Touching.And in other examples of the invention, such as when there are multiple heating devices 21 needing to radiate under same screening cover 22, ask
Referring to fig. 4, the interior shape of screening cover 22 cooperates with each heating device 21 directly to contact.Namely script screening cover 22
Interior shape is a flat surface, and since there are multiple heating devices 21 to need to radiate, the height of different heating devices 21 may be deposited
Centainly distinguishing, this programme by change screening cover 22 interior shape, make each heating device 21 can with screening cover 22 into
Row directly contacts.
It, can be in other examples of the invention in order to promote the heat transfer efficiency between heating device 21 and screening cover 22
Including heat-conducting piece 25, Fig. 5 is referred to, the heat-conducting piece 25 is for thermally conductive between heating device 21 and screening cover 22, namely shielding
Lid 22 is indirectly connected with by the heat-conducting piece 25 with heating device 21, and the heat that heating device 21 is generated is through heat-conducting piece 25
On conduction to screening cover 22.
Heat-conducting piece 25 can specifically be made of following boundary material, such as heat-conducting glue, phase-change material, heat-conducting elastomer material
Deng, heat-conducting glue such as heat conductive silica gel, thermally conductive gel etc., phase-change material namely the material that own shape can be changed according to the variation of temperature
Material, such as after heating, a large amount of heat is absorbed, the liquid with mobility is become from solid-state, thus increase and heating device
21, the contact area between screening cover 22, and then promote heat from the conduction of heating device 21 to heat-conducting piece 25, then from heat-conducting piece
In 25 conduction to screening cover 22.
Second embodiment
The embodiment of the present invention provides a kind of radiating subassembly, is different from the first embodiment on the basis of first embodiment
It is that in the present embodiment, the radiating subassembly further includes Duct design, with the radiating efficiency of heat radiation component, refers to Fig. 6,
Fig. 6 is the schematic cross-sectional view for the radiating subassembly that second embodiment of the invention provides, which includes: heating device
61；Screening cover 62 is connect with heating device 61；Radiating piece 63 is connect with 62 screen covers, and the heat that heating device 61 generates passes through
In the conduction to radiating piece 63 of screening cover 62；Fan 64, for radiating to radiating piece 63；At least one air inlet 65 and extremely
A few air outlet 66.It generates heat in heating device 61, screening cover 62, radiating piece 63, fan 64 and first embodiment in this programme
Device 21, screening cover 22, radiating piece 23, fan 24 are same or like, therefore this is no longer described in detail in the present embodiment, specifically asks
Referring to the description of first embodiment, the design in air duct will be described in detail in the present embodiment.
With continued reference to Fig. 6, the non-same aperture of aperture at 66 place of aperture and air outlet where air inlet 65, cold air warp
Air inlet 65, then by fan 64, by outside the heat transfer on radiating piece 63 to air outlet 66, namely based on the air inlet 65
It with the design of air outlet 66, realizes convection current, the heat on radiating piece 63 is quickly taken out of outside air outlet 66, to realize to fever
The Quick diffusing of the heat of device 61.
In the present embodiment, in order to be further reduced the occupancy to terminal inner space, fan 64 and radiating piece 63 are
The inside that the inside namely screening cover 62 and PCB (Printed Circuit Board) plate 67 that screening cover 62 is arranged in are formed is empty
Between in, air can not be efficiently entering in the inner space, therefore can not form effective convection current, for this purpose, the present embodiment is right
Aperture 68, the also shielding at the air outlet for corresponding to radiating piece 63 should be equipped in the screening cover 62 of the air inlet of fan 64
Lid 62 is equipped with aperture 69, and cold air arrives the air inlet of fan 64 through air inlet 65, then arrives the air outlet of fan 64, then arrives heat dissipation
The air outlet of part 63 is finally flowed out from air outlet 66, and the air duct schematic diagram of the radiating subassembly refers to Fig. 7, by terminal inner
Hot-air take exterior of terminal out of, the air themperature of terminal inner can be reduced, the forced convection of fan 64 also improves scattered
The thermal efficiency.In other examples, fan 64 and radiating piece 63 also can be set in 62 upper surface of screening cover.
In the present embodiment, air inlet 65 and air outlet 66 be can be set in terminal enclosure, optionally, are oppositely arranged outside
The two sides of shell, such as be separately positioned on the left and right sides or upper and lower two sides or front and rear sides of shell.It is of course also possible to be arranged
It, specifically can flexible setting according to the actual situation at the different location of the same side.
In other examples of the invention, radiating subassembly 60 can also include detection module (not shown), detection module with
Fan 64 is electrically connected, for controlling the starting and closing of fan 64.Optionally, Fig. 8 is referred to, which includes temperature
Detection sub-module 81, using detection sub-module 82 and control submodule 83, wherein temperature detection submodule 81 is scattered for detecting
The temperature of warmware is used to detect the application program that terminal is currently up using detection sub-module 82；Control submodule 83 is used for
Temperature detection submodule 81 detects that the temperature of radiating piece is higher than preset first temperature value, and/or is applying detection sub-module 82
Detect that the application program that terminal is currently up includes the default application of the first kind and do not include that the second class is default in application, control is opened
Dynamic fan；Control submodule 83 is also used to detect that the temperature of radiating piece drops to default second temperature in temperature detection submodule 81
Angle value, and/or detecting that the application program that terminal is currently up does not include the default application of the first kind using detection sub-module 82
When, fan is closed in control, and wherein preset second temperature value is less than or equal to the preset first temperature value.
For example, temperature detection submodule 81 is more than or equal to 50 degrees Celsius of (default first temperature in the temperature for detecting radiating piece
Angle value) when, control submodule 83 is that controlling fan is actuated for radiating automatically；Alternatively, being detected in application detection sub-module 82
Include in the application for being currently up to terminal and (can be front stage operation, be also possible to the operation day after tomorrow) game type applications,
Video playing application (first kind default application), but terminal do not run second class such as voice communication, recording preset in application,
Control submodule 83 controls fan and is actuated for radiating automatically；Or only when temperature detection submodule 81 detects radiating piece
Temperature is more than or equal to 50 degrees Celsius, and includes game in the application for applying detection sub-module 82 to detect that terminal is currently up simultaneously
Type application, video playing application, but terminal does not run second class such as voice communication, recording and presets in application, control
Module 83 controls fan again and is actuated for radiating automatically.
After the temperature for reducing radiating piece by the heat dissipation of fan, when temperature detection submodule 81 detects radiating piece
When temperature drops to 40 degrees Celsius (preset second temperature value), the fan is closed in the control of control submodule 83；Or when using inspection
Surveying the application program that submodule 82 detects that terminal is currently up does not include that the first kind is default in application, fan is closed in control；Or
Person only works as temperature detection submodule 81 and detects that the temperature of radiating piece drops to 40 degrees Celsius (preset second temperature values), and answers
Detect that the application program that terminal is currently up does not include that the first kind is default in application, control submodule 83 with detection sub-module 82
It controls again and closes the fan, to save the energy consumption of fan.
It (such as voice communication, records it should be noted that there is the default application of the second class in the application of terminal starting
Deng) when, then not will start fan radiates, and the operation to this kind of application is avoided to impact.Such as it converses in user
When, detect the presence of that the second class is default in application, no matter whether the temperature of current radiating piece reaches preset first temperature value, control
Submodule 83, which directly controls, forcibly closes the fan, and the noise for avoiding fan from rotating is impacted to the call of user, is promoted and is used
Family usage experience.
It should be understood that preset first temperature value, preset second temperature value can flexible setting according to the actual situation, this
Embodiment to this with no restriction.It should be noted that the default application of the first kind, the default application of the second class are not limited to above-mentioned answer
With specifically flexibly can increasing or reduce according to the actual situation.
3rd embodiment
Shown in Figure 9 the present embodiment provides a kind of mobile terminal, which includes above-mentioned first embodiment
And/or radiating subassembly 91 described in second embodiment is promoted mobile whole with radiating to the heating device in mobile terminal 90
The performance at end.
In the present embodiment, air inlet included by radiating subassembly 91 and air outlet be can use on 90 shell of mobile terminal
The position of opening such as earpiece holes, horn mouth, charge port, the hole USB of setting substitution, it is of course possible to by the way that individual aperture conduct is arranged
Air inlet and air outlet, 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 radiating subassembly, which is characterized in that the radiating subassembly includes:
Heating device；Screening cover is connect with the heating device；Radiating piece is connect with the screen cover, and the heating device produces
Raw heat is conducted by the screening cover to the radiating piece；Fan, for radiating to the radiating piece.
2. the radiating subassembly of mobile terminal as described in claim 1, which is characterized in that the screening cover is covered on the fever
Above device, and the interior shape of the screening cover cooperates with each heating device directly to contact.
3. radiating subassembly as described in claim 1, which is characterized in that the radiating subassembly further include: heat-conducting piece, the shielding
Lid is connected by the heat-conducting piece with the heating device, and the heat that the heating device generates is passed through the heat-conducting piece
It is directed on the screening cover.
4. radiating subassembly as claimed in claim 3, which is characterized in that the heat-conducting piece includes following at least one interface material
Material: heat-conducting glue, phase-change material, heat-conducting elastomer material.
5. radiating subassembly as described in claim 1, which is characterized in that the radiating piece is radiating fin, the radiating fin
It is welded on the screening cover or the radiating fin is structure as a whole with the screening cover.
6. radiating subassembly as described in any one in claim 1-5, which is characterized in that the radiating subassembly further includes at least one
Air inlet, at least one air outlet；The aperture where aperture and the air outlet where the air inlet is not same aperture,
Cold air passes through fan through the air inlet, will be outside the heat transfer on the radiating piece to the air outlet.
7. radiating subassembly as claimed in claim 6, which is characterized in that the radiating subassembly further includes control module, the control
Molding block is electrically connected with the fan, for controlling the starting and closing of the fan.
8. radiating subassembly as claimed in claim 7, which is characterized in that the control module includes temperature detection submodule, answers
With detection sub-module and control submodule, the temperature detection submodule is used to detect the temperature of the radiating piece, described to answer
It is used to detect the application program that terminal is currently up with detection sub-module；
The control submodule is used to detect that the temperature of the radiating piece is higher than default first in the temperature detection submodule
Temperature value, and/or include that the first kind is default in the application program for detecting that using detection sub-module, terminal is currently up and answer
With and do not include that the second class is default in application, control starts the fan；
The control submodule be also used to the temperature detection submodule detect the radiating piece temperature drop to it is default
Second temperature value, and/or detect that the application program that terminal is currently up does not include described using detection sub-module described
One kind is default in application, the fan is closed in control, and the preset second temperature value is less than or equal to the preset first temperature value.
9. radiating subassembly as claimed in claim 8, which is characterized in that the control submodule is also used to detect in the application
Submodule detects that the application program that terminal is currently up includes that the second class is default and forcibly closes the fan in application, controlling,
The default application of the first kind includes game type applications, video playing application, and the default application of second class is logical including voice
Words, recording.
10. a kind of mobile terminal, which is characterized in that the mobile terminal includes such as the described in any item heat dissipations of claim 1-9
Component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810265052.XA CN110325012A (en) | 2018-03-28 | 2018-03-28 | Mobile terminal and its radiating subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810265052.XA CN110325012A (en) | 2018-03-28 | 2018-03-28 | Mobile terminal and its radiating subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110325012A true CN110325012A (en) | 2019-10-11 |
Family
ID=68109960
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810265052.XA Pending CN110325012A (en) | 2018-03-28 | 2018-03-28 | Mobile terminal and its radiating subassembly |
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| Country | Link |
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| CN (1) | CN110325012A (en) |
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| EP3835921A1 (en) * | 2019-12-13 | 2021-06-16 | Beijing Xiaomi Mobile Software Co., Ltd. | Heat dissipation assembly and electronic device |
| CN113498296A (en) * | 2020-03-20 | 2021-10-12 | 上海禾赛科技有限公司 | Circuit structure with heat conducting device and heat dissipation method and manufacturing method thereof |
| WO2021258567A1 (en) * | 2020-06-24 | 2021-12-30 | 瑞声声学科技(深圳)有限公司 | Mobile terminal |
| CN116719398A (en) * | 2023-08-07 | 2023-09-08 | 荣耀终端有限公司 | Temperature control method, electronic equipment and storage medium |
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Application publication date: 20191011 |