CN108684197A - A kind of electronic equipment and its cooling control method - Google Patents
A kind of electronic equipment and its cooling control method Download PDFInfo
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- CN108684197A CN108684197A CN201810836618.XA CN201810836618A CN108684197A CN 108684197 A CN108684197 A CN 108684197A CN 201810836618 A CN201810836618 A CN 201810836618A CN 108684197 A CN108684197 A CN 108684197A
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- detecting unit
- heat conduction
- radiator fan
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- 238000001816 cooling Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000017525 heat dissipation Effects 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims description 17
- 230000006698 induction Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 7
- 210000000031 electric organ Anatomy 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- 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
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
- H05K7/20972—Forced ventilation, e.g. on heat dissipaters coupled to components
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
Abstract
The invention discloses a kind of electronic equipment and its cooling control methods, are related to electronic equipment dissipating heat technical field, are invented for solving the technical issues of electronic equipment in the related technology can not meet fully heat dissipation and reduce the requirement of power consumption simultaneously.The electronic equipment, including shell, heat-dissipating space in shell equipped with electronic device and for the heat dissipation of supplied for electronic device, the electronic equipment further includes cooling system and power input, cooling system includes the first radiator fan, second radiator fan, thermoelectric generator, current detecting unit and temperature detecting unit, first radiator fan, second radiator fan can blow to heat-dissipating space, first radiator fan is electrically connected with the sending end of thermoelectric generator, second radiator fan is electrically connected with power input, current detecting unit is used to detect the current value size of sending end output current, temperature detecting unit is used to detect the temperature value of electronic device.The present invention can be used for the heat dissipation of the electronic equipments such as OLED display.
Description
Technical field
The present invention relates to electronic equipment dissipating heat technical field more particularly to a kind of electronic equipment and its cooling control methods.
Background technology
In display technology field, OLED (Organic Light-Emitting Diode；Organic Light Emitting Diode) display
Device belongs to electrically execiting light-emitting device, with its self-luminous, high-luminous-efficiency, low-work voltage, it is frivolous, can flexibility and processing procedure work
The advantages that skill is simple is widely used in fields such as displays.
Currently, in the course of work of OLED display, display panel will produce a large amount of heat, especially have big
The display device (such as large scale OLED TVs) of size OLED display panel, if display panel generate heat can not and
When shed, then the heat accumulated inside OLED display can make the operating ambient temperature inside OLED display
It is excessively high, lead to OLED display internal components aging, and then the working life of OLED display can be influenced.Therefore, how
It is effectively radiated and the service life for improving OLED display is had a very important significance.
In the related art, OLED display be by the enclosure interior of display device be arranged multiple radiator fans come
It radiates to display panel, radiates to display panel however, multiple radiator fans are worked at the same time, need to consume so more
Electric energy, increase the power consumption of OLED display；If reducing radiator fan to reduce the power consumption of OLED display
Number, so again can cause display panel heat dissipation it is insufficient, to influence the working life of OLED display.Thus may be used
See, OLED display in the related technology can not meet fully heat dissipation and reduce the requirement of power consumption simultaneously.
Invention content
The embodiment of the present invention provides a kind of electronic equipment and its cooling control method, for solving electricity in the related technology
The technical issues of sub- equipment can not meet fully heat dissipation and reduce the requirement of power consumption simultaneously.
In order to achieve the above objectives, in a first aspect, an embodiment of the present invention provides a kind of electronic equipment, including shell, it is described
Further include that cooling system and power supply are defeated equipped with electronic device and for the heat-dissipating space for the dissipation from electronic devices in shell
Enter end, the cooling system includes the first radiator fan, the second radiator fan, thermoelectric generator, current detecting unit and temperature
Detection unit is spent, first radiator fan, second radiator fan can blow to the heat-dissipating space, and described first dissipates
Hot-air fan is electrically connected with the sending end of the thermoelectric generator, and second radiator fan is electrically connected with the power input,
The current detecting unit is used to detect the current value size of the sending end output current, and the temperature detecting unit is for examining
Survey the temperature value size of the electronic device.
Further, the cooling system further includes processing module, and the processing module is electrically connected with the power input
It connects, second radiator fan is electrically connected with the processing module；The current detecting unit is additionally operable to the processing module
The intensity value of the first electric signal is fed back, first electric signal is the current value size for characterizing the sending end output current
Electric signal；The temperature detecting unit is additionally operable to feed back the intensity value of the second electric signal to the processing module, and described second
Electric signal is the electric signal for characterizing the electronic device temperature value size；The processing module is used to work as the current detecting
The intensity value for first electric signal that unit is fed back is more than the first preset strength value, and temperature detecting unit institute is anti-
When the intensity value of second electric signal of feedback is more than the second preset strength value, third electric signal is exported, to open described second
Radiator fan.
Further, the processing module includes first comparator, the second comparator, the first a reference source, the second benchmark
Source is asked and arithmetic unit and digital analog converter；The first comparator, second comparator, it is described ask with arithmetic unit and
The digital analog converter is electrically connected with the power input；The first comparator includes first input end, the second input
End and the first output end, the output end of the temperature detecting unit are electrically connected with the first input end, first benchmark
Source is electrically connected with second input terminal, and first a reference source is used to the second input terminal intensity values be described the
Second electric signal of two preset strength values；Second comparator includes third input terminal, the 4th input terminal and second
Output end, the output end of the current detecting unit are electrically connected with the third input terminal, second a reference source and described the
Four input terminals are electrically connected, and second a reference source is used to the 4th input terminal intensity values be first preset strength
First electric signal of value；Described ask includes the 5th input terminal, the 6th input terminal and third output end with arithmetic unit, described
First output end connects with the 5th input terminal electric current, and the second output terminal is electrically connected with the 6th input terminal, and described
Three output ends are electrically connected with the input terminal of the digital analog converter, the output end of the digital analog converter and second radiation air
Fan electrical connection.
Further, the processing module further includes boost pressure controller, the input terminal of the boost pressure controller with it is described
The output end of digital analog converter is electrically connected, and the output end of the boost pressure controller is electrically connected with second radiator fan.
Further, the cooling system further includes the first heat conduction contact and the second heat conduction contact, and first heat conduction is touched
Point is located at outside the shell and is connect with the cold end heat conduction of the thermoelectric generator, and second heat conduction contact is located at the heat dissipation
In space and the electronic device is in contact, and second heat conduction contact is connect with the hot junction heat conduction of the thermoelectric generator.
Further, first radiator fan, the thermoelectric generator, the first heat conduction contact and the second heat conduction are touched
The number of point is multiple, and multiple first radiator fans can blow to the heat-dissipating space, each thermo-electric generation
The sending end of device is at least electrically connected with first radiator fan；Each first heat conduction contact is respectively positioned on outside the shell,
And it is connected with the cold end heat conduction of the corresponding thermoelectric generator；Each second heat conduction contact is respectively positioned on the heat-dissipating space
It is interior, and be in contact with the electronic device, each second heat conduction contact with the heat of the corresponding thermoelectric generator
Hold heat conduction connection；The number of the current detecting unit is multiple, and each current detecting unit is used to detect the electric current
The current value size of the sending end output current corresponding to detection unit.
Further, the thermoelectric generator is located in the shell and except the heat-dissipating space.
Further, the temperature detecting unit includes temperature sensor and third heat conduction contact, the temperature sensor
Including temperature induction part, third heat conduction contact is located in the heat-dissipating space and is in contact with the electronic device, described
Third heat conduction contact is connect with the temperature induction part heat conduction.
Further, the number of third heat conduction contact is multiple, and multiple third heat conduction contacts are respectively positioned on institute
It states in heat-dissipating space and the different positions from the electronic device is in contact respectively.
Further, the current detecting unit includes current sensor, the input terminal of the current sensor with it is described
Sending end is electrically connected, and the output end of the current sensor is electrically connected with the processing module.
Second aspect, the radiating control side for the electronic equipment that an embodiment of the present invention provides a kind of as described in first aspect
Method includes the following steps：
Open first radiator fan；
During first radiator fan works, when the current value that the current detecting unit is detected is more than in advance
If current value, and when the temperature value that is detected of the temperature detecting unit is higher than preset temperature value, open second heat dissipation
Fan.
Electronic equipment and its cooling control method provided in an embodiment of the present invention, due to the first radiator fan and thermo-electric generation
The sending end of device is electrically connected, and such thermoelectric generator can generate electricity according to the difference of the temperature of ambient enviroment, to be first
Radiator fan is powered, and in electronic device works, opens the first radiator fan, and to blow into heat-dissipating space, it is empty to accelerate heat dissipation
Between in air flowing, to ensure the abundant heat dissipation of electronic device.The electric energy consumed by the first radiator fan by
Thermoelectric generator provides, and such first radiator fan is just not necessarily to consume the electric energy that external power supply is provided, and greatly reduces electricity
The power consumption of sub- equipment；Since the second radiator fan is electrically connected with power input, current detecting unit is defeated for detecting sending end
Go out the current value size of electric current, temperature detecting unit is used to detect the temperature value size of electronic device, in this way, in the first radiation air
During fanning work, when the current value that current detecting unit is detected is more than pre-set current value, and temperature detecting unit institute
When the temperature value of detection is higher than preset temperature value, that is, the electric energy that thermoelectric generator is provided is not enough to the first radiation air of driving
When fan fully radiates to electronic device, the second radiator fan at this moment can be opened, to ensure the abundant heat dissipation of electronic device.Due to
Second radiator fan is not electric energy that is always on, only being provided in thermoelectric generator during electronic device works
It is not enough to just open when the first radiator fan of driving fully radiates to electronic device, not only can ensure filling for electronic device
Dispersion heat, while being greatly reduced the consumption to external power supply electric energy.
Description of the drawings
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 technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the schematic diagram that electronic equipment (OLED display) radiator fan of the embodiment of the present invention is arranged；
Fig. 2 is the vertical view of the electronic equipment in Fig. 1；
Fig. 3 is the arrangement schematic diagram of the electronic equipment dissipating heat system of the embodiment of the present invention；
Fig. 4 is the flow chart of the cooling control method of the electronic equipment of the embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term "center", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on ... shown in the drawings
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It is right
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Term " first ", " second " are used for description purposes only, be not understood to indicate or imply relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more this feature.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or
It is more than two.
In a first aspect, as depicted in figs. 1 and 2, an embodiment of the present invention provides a kind of electronic equipment, including shell 1, shells
Equipped with electronic device 2 and for the heat-dissipating space 3 that supplied for electronic device 2 radiates, as shown in figures 1 and 3, the electronic equipment in 1
Further include cooling system 4 and power input 5, cooling system 4 includes the first radiator fan 41, the second radiator fan 42, the temperature difference
Electric organ 43 (such as thermoelectric cell), current detecting unit 44 and temperature detecting unit 45, the first radiator fan 41, second dissipate
Hot-air fan 42 can blow to heat-dissipating space 3, and the first radiator fan 41 is electrically connected with the sending end of thermoelectric generator 43, and second dissipates
Hot-air fan 42 is electrically connected with power input 5, and current detecting unit 44 is used to detect the sending end output electricity of thermoelectric generator 43
The current value size of stream, temperature detecting unit 45 are used to detect the temperature value size of electronic device 2.
Wherein, the electronic equipment in the embodiment of the present invention is not only that (such as OLED TVs, OLED are flat for OLED display
Plate computer etc.), can also be liquid crystal display device (such as LCD TV, liquid crystal display etc.) etc has 1 structure of shell
Electronic equipment；Electronic device 2 is that the device of heat, such as the display panel in OLED display are generated in the electronic equipment；
Backlight etc. in liquid crystal display device；Power input 5 refers to the interface with external power supply on electronic equipment；Second radiation air
Fan 42 can be directly electrically connected with power input 5, can also be electrically connected indirectly with power input 5, such as shown in Fig. 3, the
Two radiator fans 42 are electrically connected by processing module 46 with power input 5.
Electronic equipment provided in an embodiment of the present invention, due to the sending end electricity of the first radiator fan 41 and thermoelectric generator 43
Connection, such thermoelectric generator 43 can generate electricity according to the difference of the temperature of ambient enviroment, to be the first radiator fan 41
Power supply opens the first radiator fan 41 in electronic device works, to blow into heat-dissipating space 3, accelerates in heat-dissipating space 3
Air flowing, to ensure the abundant heat dissipation of electronic device 2.The electric energy consumed by the first radiator fan 41 is by temperature
Poor electric organ 43 provides, and such first radiator fan 41 just without consuming the electric energy that external power supply is provided, greatly reduces
The power consumption of electronic equipment；Since the second radiator fan 42 is electrically connected with power input 5, current detecting unit 44 is for detecting temperature
The size of the current value I of the sending end output current of poor electric organ 43, temperature detecting unit 45 are used to detect the temperature of electronic device 2
The size of angle value T, in this way, as shown in figure 4, during the first radiator fan 41 works, when current detecting unit 44 is examined
The current value I of survey is more than pre-set current value I0(such as pre-set current value I0Can be the saturation current of thermoelectric generator 43), and
And the temperature value T that temperature detecting unit 45 is detected is higher than preset temperature value T0When, that is, thermoelectric generator 43 provided
When electric energy is not enough to that the first radiator fan 41 is driven fully to radiate electronic device 2, the second radiator fan 42 at this moment can be opened,
To ensure the abundant heat dissipation of electronic device 2.Since the second radiator fan 42 is not one to head straight for during electronic device works
It opens, the electric energy only provided in thermoelectric generator 43 is not enough to the first radiator fan 41 of driving and is fully dissipated to electronic device 2
It is just opened when hot, not only can ensure the abundant heat dissipation of electronic device 2, while being greatly reduced to external power supply electric energy
Consumption.
In the above-described embodiments, the opening ways of the second radiator fan 42 are not unique, for example the second radiator fan 42 can
To be more than pre-set current value I in the current value I detected when current detecting unit 440, and temperature detecting unit 45 is detected
Temperature value T be higher than preset temperature T0It is controlled and is automatically turned on by processing module 46 when value, specific implementation is as follows：
As shown in figure 3, cooling system 4 further includes processing module 46, processing module 46 is electrically connected with power input 5, the
Two radiator fans 42 are electrically connected with processing module 46；Current detecting unit 44 is additionally operable to feed back the first electric signal to processing module 46
Intensity value, the first electric signal is the telecommunications of the current value I sizes of sending end output current for characterizing thermoelectric generator 43
Number；Temperature detecting unit 45 is additionally operable to feed back the intensity value of the second electric signal to processing module 46, and the second electric signal is for table
Levy the electric signal of 2 temperature value T sizes of electronic device；Processing module 46 is used for the first telecommunications when current detecting unit 44 is fed back
Number intensity value be more than the first preset strength value, and the intensity value of the second electric signal that temperature detecting unit 45 is fed back is more than
When the second preset strength value, third electric signal is exported, to open the second radiator fan 42.
Wherein, the first preset strength value and pre-set current value I0It is corresponding, that is,：When the sending end of thermoelectric generator 43
The current value I of the electric current exported is pre-set current value I0When, current detecting unit 44 fed back to processing module 46 first
The intensity value of electric signal is the first preset strength value；Second preset strength value and preset temperature value T0It is corresponding, that is,：Work as electricity
The temperature value T of sub- device 2 is preset temperature value T0When, the second electric signal that temperature detecting unit 45 is fed back to processing module 46
Intensity value be the second preset strength value；First electric signal, the second electric signal can be current signal, or voltage is believed
Number, it is not specifically limited herein；Processing module 46 can be MCU (micro-control units；Full name in English：Microcontroller
Unit)。
It is more than in advance in the current value I detected when current detecting unit 44 in addition, the second radiator fan 42 can also be people
If current value I0, and the temperature value T that temperature detecting unit 45 is detected is higher than preset temperature value T0When it is manually opened.Compared to
Two radiator fans 42 are manually opened by people, and the second radiator fan 42 is controlled by processing module 46 and automatically turned on, and substantially increases electricity
The automatization level of sub- equipment can be more than pre-set current value T in the current value I detected when current detecting unit 440, and
The temperature value T that temperature detecting unit 45 is detected is higher than preset temperature value T0When ensure that the second radiator fan 42 is accurately opened.
In electronic equipment provided in an embodiment of the present invention, the concrete composition of processing module 46 is not also unique, for example handles
Module 46 can be consisting of structure：As shown in figure 3, processing module 46 include first comparator 461, the second comparator 462,
First a reference source 463, the second a reference source 464 are asked and arithmetic unit 465 and digital analog converter 466；First comparator 461, second
Comparator 462 is asked and is electrically connected with power input 5 with arithmetic unit 465 and digital analog converter 466；
First comparator 461 includes first input end 4611, the second input terminal 4612 and the first output end 4613, temperature
The output end of detection unit 45 is electrically connected with first input end 4611, and the first a reference source 463 is electrically connected with the second input terminal 4612,
First a reference source 463 is used for the second electric signal that 4612 intensity values of the second input terminal are the second preset strength value；First
The intensity value for the second electric signal that comparator 461 is fed back for comparison temperature detection unit 45 is compared with the second preset strength value
Compared with if the intensity value for the second electric signal that temperature detecting unit 45 is fed back is more than the second preset strength value, the first ratio
The first output end 4613 output result compared with device 461 is " 1 ", that is, the digital signal of output high level；If temperature detection
The intensity value for the second electric signal that unit 45 is fed back is less than the second preset strength value, then the first of first comparator 461 is defeated
It is " 0 " that outlet 4613, which exports result, that is, exports low level digital signal；
Second comparator 462 includes third input terminal 4621, the 4th input terminal 4622 and second output terminal 4623, electric current
The output end of detection unit 44 is electrically connected with third input terminal 4621, and the second a reference source 464 is electrically connected with the 4th input terminal 4622,
Second a reference source 464 is used for the first electric signal that 4622 intensity values of the 4th input terminal are the first preset strength value；Second
Comparator 462 is used to compare the intensity value for the first electric signal that current detecting unit 44 is fed back compared with the first preset strength value
Compared with if the intensity value for the first electric signal that current detecting unit 44 is fed back is more than the first preset strength value, the second ratio
The first output end 4613 output result compared with device 462 is " 1 ", that is, the digital signal of output high level；If current detecting
The intensity value for the first electric signal that unit 44 is fed back is less than the first preset strength value, then the second of the second comparator 462 is defeated
It is " 0 " that outlet 4623, which exports result, that is, exports low level digital signal；
Ask with arithmetic unit 465 include the 5th input terminal 4651, the 6th input terminal 4652 and third output end 4653, first
Output end 4613 connects with 4651 electric current of the 5th input terminal, and second output terminal 4623 is electrically connected with the 6th input terminal 4652, and third is defeated
Outlet 4653 is electrically connected with the input terminal of digital analog converter 466,42 electricity of the output end of digital analog converter 466 and the second radiator fan
Connection；The progress of output result and operation to first comparator 461, the second comparator 462 with arithmetic unit 465 are asked, if first
Comparator 461, the second comparator 462 output result be " 1 ", then, ask and the third output end 4653 of arithmetic unit 465
Export result also be " 1 ", digital analog converter 466 to ask with the digital signal of the output of arithmetic unit 465 carry out digital-to-analogue conversion after, it is defeated
Go out third electric signal, to open the second radiator fan 42.
In addition, processing module 46 can also include programmable controller (PLC), the output end of temperature detecting unit 45,
The output end of current detecting unit 44 is connected with the input terminal of programmable controller respectively, the output of programmable controller
End is electrically connected with the second radiator fan 42.It can also be realized in the first telecommunications fed back when current detecting unit 44 by programming
Number intensity value be more than the first preset strength value, and the intensity value of the second electric signal that temperature detecting unit 45 is fed back is more than
When the second preset strength value, the output end of programmable controller exports third electric signal, to open the second radiator fan 42.
Include first comparator 461, the second comparator 462, the first a reference source 463, the second a reference source in processing module 46
464, ask in the embodiment of arithmetic unit 465 and digital analog converter 466, the voltage of the output end of digital analog converter 466 output
Signal is usually weaker, in order to make the voltage signal (namely third electric signal) that the output end of digital analog converter 466 exports can
The second larger radiator fan 42 of driving power, as shown in figure 3, processing module 46 further includes 467 (Boost of boost pressure controller
Regulator), the input terminal of boost pressure controller 467 is electrically connected with the output end of digital analog converter 466, boost pressure controller 467
Output end is electrically connected with the second radiator fan 42.By the way that boost pressure controller 467 is arranged, digital analog converter 466 can be exported
Voltage signal increase, with the second radiator fan 42 that driving power is larger, so as to be further ensured that electronic device 2 more
Fully radiate.
As shown in figure 3, cooling system 4 further includes the first heat conduction contact 47a and the second heat conduction contact 47b, the first heat conduction is touched
Point 47a is connect with the cold end heat conduction of thermoelectric generator 43, and the hot junction heat conduction of the second heat conduction contact 47b and thermoelectric generator 43 connect
It connects；
Wherein, the installation position of the first heat conduction contact 47a and the second heat conduction contact 47b is not also unique, such as the first heat conduction
Contact 47a and the second heat conduction contact 47b can be arranged below：As shown in figure 3, the first heat conduction contact 47a is located at outside shell 1,
Second heat conduction contact 47b is located in heat-dissipating space 3 and electronic device 2 is in contact.In addition, the first heat conduction contact 47a and second is led
Thermal contact 47b can also be arranged below：First heat conduction is touched, the second heat conduction contact 47b is respectively positioned in shell 1, and the first heat conduction is touched
Point 47a is located at except heat-dissipating space 3, and the second heat conduction contact 47b is located in heat-dissipating space 3 and electronic device 2 is in contact.Compared to
One heat conduction contact 47a, the second heat conduction contact 47b are respectively positioned on the embodiment in shell 1, and the first heat conduction contact 47a is located at shell 1
Outside, the second heat conduction contact 47b is located in heat-dissipating space 3 and in the embodiment that electronic device 2 is in contact, since shell 1 is outer and electricity
The temperature difference bigger of sub- device 2, therefore, thermoelectric generator 43 can generate higher electromotive force, with the first of driving power bigger
Radiator fan 41, so as to be further ensured that electronic device 2 more fully radiates.
Wherein, the first heat conduction contact 47a, the second heat conduction contact 47b can be all made of resin magnet, since resin magnet is viscous
Property it is preferable, can make in this way the first heat conduction contact 47a, the second heat conduction contact 47b it is fixed more securely；Meanwhile resin
Magnet has preferable thermal conductivity, is conducive to transfer heat to thermoelectric generator 43.
Heat dissipation in order to ensure electronic device 2 is more abundant, as shown in figure 3, the first radiator fan 41, thermoelectric generator
43, the number of the first heat conduction contact 47a and the second heat conduction contact 47b are multiple, and multiple first radiator fans 41 can be to
Heat-dissipating space 3 is blown, and the sending end of each thermoelectric generator 43 is at least electrically connected with first radiator fan 41 (as shown in the figure
It is electrically connected with first radiator fan 41 for the sending end of thermoelectric generator 43)；Each first heat conduction contact 47a is respectively positioned on shell
Outside body 1, and connected with the cold end heat conduction of corresponding thermoelectric generator 43；Each second heat conduction contact 47b is respectively positioned on heat dissipation
In space 3, and be in contact with electronic device 2, each second heat conduction contact 47b with corresponding thermoelectric generator 43
Hot junction heat conduction connection；The number of current detecting unit 44 is multiple, and each current detecting unit 44 is used to detect electric current inspection
Survey the current value size of the sending end output current of the thermoelectric generator 43 corresponding to unit 44.The first radiator fans multiple in this way
When 41 unlatching, multiple thermoelectric generators 43 can be to power for multiple first radiator fans 41, and multiple first radiator fans 41 are equal
Air-supply in phase heat-dissipating space 3, it is ensured that the heat dissipation of electronic device 2 is more abundant.
After multiple first radiator fans 41 are opened, if there are one the current value I that current detecting unit 44 is detected to be more than
Pre-set current value I0, and the temperature value T that temperature detecting unit 45 is detected is higher than preset temperature value T0, at this moment can open
Second radiator fan 42 while reducing the power consumption of electronic equipment, ensures that the heat dissipation of electronic device 2 is abundant to further；
Such as shown in Fig. 3, first comparator 461, the second comparator 462, the first a reference source 463, the second a reference source 464,
It is multiple (as shown in the figure is 2) to ask with arithmetic unit 465, as long as wherein detected in this way there are one current detecting unit 44
Current value I is more than pre-set current value I0, and the temperature value T that temperature detecting unit 45 is detected is higher than preset temperature value T0, in this way
It can so that asking with the output of the third output end 4653 of arithmetic unit 465 for one of them is " 1 ", digital analog converter 466 is to asking and transporting
After the digital signal progress digital-to-analogue conversion for calculating the output of device 465, third electric signal is exported, to open the second radiator fan 42.
In electronic equipment provided in an embodiment of the present invention, the installation position of thermoelectric generator 43 is not unique, for example, such as
Shown in Fig. 3, thermoelectric generator 43 can be located in shell 1 and except heat-dissipating space 3, wherein thermoelectric generator 43 is set
Be placed in except heat-dissipating space 3 is caused by the heat distributed in order to avoid electronic device 2 normally generates electricity to thermoelectric generator 43
Influence.In addition, thermoelectric generator 43 can be located at outside shell 1, such as on the fixed outer wall with shell 1.Compared to thermo-electric generation
Device 43 is located at outside shell 1, and thermoelectric generator 43 is located in shell 1 and except heat-dissipating space 3, can make electronic equipment
Structure is compacter, and thermoelectric generator 43 is avoided to occupy the space outside shell 1.
In electronic equipment provided in an embodiment of the present invention, the structure composition of temperature detecting unit 45 is not also unique, for example,
As shown in figure 3, temperature detecting unit 45 may include temperature sensor 451 and third heat conduction contact 452, temperature sensor 451
Including temperature induction part 4511, third heat conduction contact 452 is located in heat-dissipating space 3 and is in contact with electronic device 2, third heat conduction
Contact 452 is connect with 4511 heat conduction of temperature induction part.In addition, temperature detecting unit 45 can also include temperature sensor 451, temperature
Degree sensor 451 is located in heat-dissipating space 3 and the temperature induction part 4511 of temperature sensor 451 is in contact with electronic device 2.
Can also include temperature sensor 451 compared to temperature detecting unit 45, temperature sensor 451 is located in heat-dissipating space 3 and temperature
The embodiment that the temperature induction part 4511 of degree sensor 451 is in contact with electronic device 2, temperature detecting unit 45 may include temperature
The embodiment for spending sensor 451 and third heat conduction contact 452, due to being that third heat conduction contact 452 passes the temperature of electronic device 2
To the temperature induction part 4511 of temperature sensor 451, temperature sensor 451 is avoided in this way and is arranged in heat-dissipating space 3, electricity
Influence caused by other elements of the heat that sub- device 2 distributes to temperature sensor 451, so as to improve temperature sensor
451 service life.
During electronic device works, the distribution of 2 temperature of electronic device is typically non-uniform, some spot temperatures
Higher, some spot temperatures are relatively low, if temperature detecting unit 45 only includes a third heat conduction contact 452, one
Three heat conduction contacts 452 can only just be in contact with a position of electronic device 2, the temperature of be transferred to temperature sensor 451
The temperature of induction part 4511 and the whole temperature of electronic device 2 have some difference.In order to enable third heat conduction contact 452
The whole temperature of electronic device 2 is accurately transmitted, as shown in figure 3, the number of third heat conduction contact 452 is multiple, multiple thirds
Heat conduction contact 452 is respectively positioned in heat-dissipating space 3 and the different positions from electronic device 2 are in contact respectively, thirds multiple in this way
The temperature of the different parts of electronic device 2 can be transferred to the temperature induction part of temperature sensor 451 by heat conduction contact 452
4511, it by integrated treatment, for example averages, so that it may to obtain that the height of the whole temperature of electronic device 2 can be accurately reflected
It is low.
In electronic equipment provided in an embodiment of the present invention, current detecting unit 44 may include current sensor, electric current
The input terminal of sensor is electrically connected with sending end, and the output end of current sensor is electrically connected with processing module 46.Electric current passes in this way
Sensor can detect the current value size for the electric current that the sending end of thermoelectric generator 43 is exported, and feed back to processing module
46。
Second aspect, the radiating control side for the electronic equipment that an embodiment of the present invention provides a kind of as described in first aspect
Method includes the following steps：As shown in figure 4,
Open the first radiator fan 41；
During the first radiator fan 41 works, preset when the current value I that current detecting unit 44 is detected is more than
Current value I0, and the temperature value T that temperature detecting unit 45 is detected is higher than preset temperature value T0When, open the second radiator fan
42；
Wherein, the main body for executing above-mentioned steps can be processing module 46, can also be people, be not specifically limited herein.
The technical issues of cooling control method of electronic equipment provided in an embodiment of the present invention is solved and generation have
Beneficial effect is identical as the electronic equipment provided in first aspect, and details are not described herein.
After the unlatching of the second radiator fan 42, when the current value I that current detecting unit 44 is detected is less than or equal to default electricity
Flow valuve I0, and/or, the temperature value T that temperature detecting unit 45 is detected is equal to or less than preset temperature value T0When, it closes second and dissipates
Hot-air fan 42.
The product embodiments with above-mentioned electronic equipment appeared in the cooling control method embodiment of the electronic equipment
In same or similar feature, specifically can refer to the description in the product embodiments of above-mentioned electronic equipment, details are not described herein.
More than, specific implementation mode only of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (11)
1. a kind of electronic equipment, including shell, the shell is interior to be equipped with electronic device and for supplying the dissipation from electronic devices
Heat-dissipating space, which is characterized in that further include cooling system and power input, the cooling system includes the first radiation air
Fan, the second radiator fan, thermoelectric generator, current detecting unit and temperature detecting unit, it is first radiator fan, described
Second radiator fan can blow to the heat-dissipating space, the sending end electricity of first radiator fan and the thermoelectric generator
Connection, second radiator fan are electrically connected with the power input, and the current detecting unit is for detecting the transmission of electricity
The current value size of output current, the temperature detecting unit is held to be used to detect the temperature value size of the electronic device.
2. electronic equipment according to claim 1, which is characterized in that the cooling system further includes processing module, described
Processing module is electrically connected with the power input, and second radiator fan is electrically connected with the processing module；
The current detecting unit is additionally operable to feed back the intensity value of the first electric signal, first electric signal to the processing module
For the electric signal of the current value size for characterizing the sending end output current；The temperature detecting unit is additionally operable to described
Processing module feeds back the intensity value of the second electric signal, and second electric signal is for characterizing the electronic device temperature value size
Electric signal；
The processing module is used to be more than first when the intensity value for first electric signal that the current detecting unit is fed back
Preset strength value, and the intensity value of second electric signal that the temperature detecting unit is fed back is more than the second preset strength
When value, third electric signal is exported, to open second radiator fan.
3. electronic equipment according to claim 2, which is characterized in that the processing module includes first comparator, second
Comparator, the second a reference source, is asked and arithmetic unit and digital analog converter the first a reference source；The first comparator, described second
Comparator, described ask are electrically connected with the power input with arithmetic unit and the digital analog converter；
The first comparator includes first input end, the second input terminal and the first output end, the temperature detecting unit
Output end is electrically connected with the first input end, and first a reference source is electrically connected with second input terminal, first base
Quasi- source is used for second electric signal that the second input terminal intensity values are the second preset strength value；
Second comparator includes third input terminal, the 4th input terminal and second output terminal, the current detecting unit
Output end is electrically connected with the third input terminal, and second a reference source is electrically connected with the 4th input terminal, second base
Quasi- source is used for first electric signal that the 4th input terminal intensity values are the first preset strength value；
Described ask includes the 5th input terminal, the 6th input terminal and third output end, first output end and institute with arithmetic unit
The 5th input terminal electric current is stated to connect, the second output terminal is electrically connected with the 6th input terminal, the third output end with it is described
The input terminal of digital analog converter is electrically connected, and the output end of the digital analog converter is electrically connected with second radiator fan.
4. electronic equipment according to claim 3, which is characterized in that the processing module further includes boost pressure controller, institute
The input terminal for stating boost pressure controller is electrically connected with the output end of the digital analog converter, the output end of the boost pressure controller and institute
State the electrical connection of the second radiator fan.
5. electronic equipment according to any one of claims 1 to 4, which is characterized in that the cooling system further includes
One heat conduction contact and the second heat conduction contact, it is outer and cold with the thermoelectric generator that first heat conduction contact is located at the shell
Heat conduction connection is held, second heat conduction contact is located in the heat-dissipating space and the electronic device is in contact, and described second leads
Thermal contact is connect with the hot junction heat conduction of the thermoelectric generator.
6. electronic equipment according to claim 5, which is characterized in that first radiator fan, the thermoelectric generator,
The number of first heat conduction contact and the second heat conduction contact is multiple, and multiple first radiator fans can be to the heat dissipation
Space is blown, and the sending end of each thermoelectric generator is at least electrically connected with first radiator fan；Each first
Heat conduction contact is respectively positioned on outside the shell, and is connected with the cold end heat conduction of the corresponding thermoelectric generator；Each second
Heat conduction contact is respectively positioned in the heat-dissipating space, and is in contact with the electronic device, and each second heat conduction contact is equal
It is connected with the hot junction heat conduction of the corresponding thermoelectric generator；The number of the current detecting unit is multiple, each electricity
Stream detection unit is used to detect the current value size of the sending end output current corresponding to the current detecting unit.
7. electronic equipment according to claim 5, which is characterized in that the thermoelectric generator be located in the shell and
Except the heat-dissipating space.
8. electronic equipment according to any one of claims 1 to 4, which is characterized in that the temperature detecting unit includes
Temperature sensor and third heat conduction contact, the temperature sensor include temperature induction part, and third heat conduction contact is located at institute
It states in heat-dissipating space and is in contact with the electronic device, third heat conduction contact is connect with the temperature induction part heat conduction.
9. electronic equipment according to claim 8, which is characterized in that the number of third heat conduction contact be it is multiple, it is more
A third heat conduction contact is respectively positioned in the heat-dissipating space and the different positions from the electronic device are in contact respectively.
10. electronic equipment according to any one of claims 1 to 4, which is characterized in that the current detecting unit includes
Current sensor, the input terminal of the current sensor are electrically connected with the sending end, the output end of the current sensor with
The processing module electrical connection.
11. a kind of cooling control method of such as electronic equipment according to any one of claims 1 to 10, which is characterized in that packet
Include following steps：
Open first radiator fan；
During first radiator fan works, when the current value that the current detecting unit is detected is more than default electricity
Flow valuve, and when the temperature value that is detected of the temperature detecting unit is higher than preset temperature value, open second radiator fan.
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| CN201810836618.XA CN108684197B (en) | 2018-07-26 | 2018-07-26 | Electronic equipment and heat dissipation control method thereof |
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| CN201810836618.XA CN108684197B (en) | 2018-07-26 | 2018-07-26 | Electronic equipment and heat dissipation control method thereof |
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| CN108684197B CN108684197B (en) | 2023-12-26 |
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| CN111833579A (en) * | 2019-04-15 | 2020-10-27 | 俊华电子企业股份有限公司 | Programmable remote wireless signal remote control device |
| CN112996341A (en) * | 2019-12-13 | 2021-06-18 | 北京小米移动软件有限公司 | Heat dissipation assembly and electronic equipment |
| CN114554804A (en) * | 2022-03-09 | 2022-05-27 | 联想(北京)有限公司 | Heat dissipation system and electronic equipment |
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| CN108684197B (en) | 2023-12-26 |
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