CN204014385U - A kind of heat abstractor - Google Patents

A kind of heat abstractor Download PDF

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Publication number
CN204014385U
CN204014385U CN201420395012.4U CN201420395012U CN204014385U CN 204014385 U CN204014385 U CN 204014385U CN 201420395012 U CN201420395012 U CN 201420395012U CN 204014385 U CN204014385 U CN 204014385U
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CN
China
Prior art keywords
housing
air port
fan
baseplane
fixed mount
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201420395012.4U
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Chinese (zh)
Inventor
吴典锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
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Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN201420395012.4U priority Critical patent/CN204014385U/en
Priority to PCT/CN2014/087220 priority patent/WO2015117336A1/en
Application granted granted Critical
Publication of CN204014385U publication Critical patent/CN204014385U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • H05K7/2019Fan safe systems, e.g. mechanical devices for non stop cooling

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The utility model embodiment provides a kind of heat abstractor, and described device comprises: the first fixed mount (13), the first air port (14), the second air port (15) of housing (11), fan (12), fixing described fan (12); Wherein, described fan (12) is fixed on the baseplane of described housing (11) by described the first fixed mount (13), described the second air port (15) is positioned at a side of fixing described the first fixed mount (13) on the baseplane of described housing (11), and described the first air port (14) is positioned at the opposite side on the baseplane of described housing (11).

Description

A kind of heat abstractor
Technical field
The utility model relates to heat dissipation of terminal field, relates in particular to a kind of heat abstractor.
Background technology
Present inventor is realizing in the process of the embodiment of the present application technical scheme, at least finds to exist in correlation technique following technical problem:
Along with adopting Long Term Evolution (LTE, Long Term Evolution), the significantly lifting of the speed of the mobile broadband terminal of Wifi, these mobile broadband terminals, especially more than the power of box series products and Mobile routing product reaches 10w, even exceed 20w, mainboard temperature has become the Important Problems of this series products with surface temperature.
And the method addressing this problem is at present to strengthen complete machine size and increase the passive cooling measures such as fin.But, along with the increasing of power consumption, increase complete machine size and cannot effectively avoid the overheated problem of mainboard, and along with the demand that occurs that complete machine size is more and more less, existing passive cooling measure cannot meet the overheated problem of mobile broadband product.
But for the problems referred to above, there is not effective solution in correlation technique.
Utility model content
In view of this, the utility model embodiment provides a kind of heat abstractor, can take into account the heat sink conception of product size outward appearance and cost.
For achieving the above object, the technical solution of the utility model is achieved in that
The utility model embodiment provides a kind of heat abstractor, and described device comprises: the first fixed mount 13, the first air port 14, second air port 15 of housing 11, fan 12, fixing described fan 12; Wherein, described fan 12 is fixed on the baseplane of described housing 11 by described the first fixed mount 13, described the second air port 15 is positioned at a side of fixing described the first fixed mount 13 on the baseplane of described housing 11, and described the first air port 14 is positioned at the opposite side on the baseplane of described housing 11.
In such scheme, the outside of the baseplane of described housing 11 is provided with the slider 16 for described the second air port 15 and described the first air port 14 being isolated in to the both sides, baseplane of described housing 11.
In such scheme, the plane except baseplane of described housing 11 is sealing surface.
In such scheme, described housing 11 inside are provided with the second fixed mount 17, and described the second fixed mount 17 is fixed on vertical mainboard 18 between described the first air port 14 and described the second air port 15.
In such scheme, the top of the baseplane with respect to described housing 11 of described the second fixed mount 17 is provided with ventilation hole 19.
In such scheme, the upper surface of described housing 11 baseplanes is provided with thermal insulation board 20, and the lower surface of described thermal insulation board 20 tops and horizontal mainboard 18 is fixed, and on the second fixed mount 17 for fixing described mainboard 18, is provided with ventilation hole 19.
In such scheme, described fan 12 is aerofoil fan or centrifugal fan.
The utility model embodiment provides a kind of heat abstractor, housing 11, the first fixed mount 13 of fan 12, fan attachment 12, the first air port 14, the second air port 15; Wherein, fan 12 is fixed on the baseplane of housing 11 by described the first fixed mount 13, and the second air port 15 is positioned at a side of fixing described the first fixed mount 13 on the baseplane of housing 11, and the first air port 14 is positioned at the opposite side on the baseplane of housing 11; Thus, mobile broadband terminal product appearance effect can significantly be promoted, and reach secondary waterproof effect, save air channel sealing auxiliary material and support, saved the Air Filter that perforate need to increase in appearance or metal Air Filter, reduced noise, and the problem such as light leak, promote user's experience.
Brief description of the drawings
The structural representation of a kind of heat abstractor that Fig. 1 provides for the utility model;
The structural representation of the another kind of heat abstractor that Fig. 2 provides for the utility model;
The structural representation of another heat abstractor that Fig. 3 provides for the utility model.
Description of reference numerals: 10, heat abstractor; 11, housing; 12, fan; 13, the first fixed mounts; 14, the first air ports; 15, the second air ports; 16, slider; 17, the second fixed mounts; 18, mainboard; 19, ventilation hole; 20, thermal insulation board, 21, fin; 22, sealing gasket.
Embodiment
In the utility model embodiment, fan is fixed on the baseplane of described housing by described the first fixed mount, described the second air port is positioned at a side of fixing described the first fixed mount on the baseplane of described housing, and described the first air port is positioned at the opposite side on the baseplane of described housing.
Below in conjunction with accompanying drawing, implementation method of the present utility model is described:
As shown in Figure 1, the novel device providing 10 of this use comprises: housing 11, the first fixed mount 13, the first air port 14, second air port 15 of fan 12, fixing described fan; Wherein, fan 12 is fixed on the baseplane of described housing 11 by the first fixed mount 13, and the second air port 15 is positioned at a side of fixing the first fixed mount 13 on the baseplane of housing 11, and the first air port 14 is positioned at the opposite side on the baseplane of housing 11.The outside of the baseplane of housing 11 is provided with the slider 16 for the second air port 15 and the first air port 14 being isolated in to the both sides, baseplane of housing 11.The plane except baseplane of housing 11 is sealing surface.Housing 11 inside are provided with the second fixed mount 17, the second fixed mounts 17 vertical mainboard 18 are fixed between the first air port 14 and the second air port 15.The top of the baseplane with respect to housing 11 of the second fixed mount 17 is provided with ventilation hole 19.Wherein, sealing surface is the plane that there is no air port or perforate.
All parts in the structure of the heat abstractor here, the utility model shown in Fig. 1 being provided describes.
Housing 11, by fore shell, back cover composition, also can comprise mesochite or other decorations;
Mainboard 18, mainly comprises mainboard and surface-mounted device thereof and radome composition, and for a terminal, euthermic chip and device concentrate in the radome of positive and negative substantially.Mainboard 18 is assemblied in the centre of housing 11, housing 11 is divided into up and down or two of left and right air chamber; Wherein, two air chambers that are divided into are as the air channel of cold air and thermal current warp.
Fan 12, can be aerofoil fan or centrifugal fan, adopt in the terminal of horizontal type structure at housing 11, adopt aerofoil fan to reduce volume, adopt in the terminal of vertical structure at housing 11, if the width W of terminal is required strictly, can select the centrifugal fan of vertical placement to reduce the width W of terminal, if width W is not limited, can adopt aerofoil fan to reduce costs.
The first air port 14, is positioned at the baseplane of housing 11, lifts after terminal, from the gap air intake of the surrounding of terminal by slider 16 and foot pad (not shown).
Fin 21, in the time that the local temperature of mainboard 18 is too high, need to adopt fin to strengthen area of dissipation, is fixed on radome by heat-conducting glue.In the situation that Overall Power Consumption is little, this fin can change to tabular or cancel to reduce costs.
Sealing gasket 22, can be foam or gum, is positioned on the first fixed mount 13 of fan attachment 12.Outlet air surface and housing by sealing gasket 22 to fan 12 seal, and guarantee that the hot blast of the air outlet of fan 12 all flows out the second air port 15 of terminal, avoids hot air reflux.
The second air port 15, is positioned at the baseplane of housing 11, and hot blast first blows to desktop after flowing out by the second air port 15, and flow out in the surrounding gap from complete machine foot pad is raised.
In the heat abstractor providing at the utility model, as the second air port of air outlet be positioned at the baseplane of housing 11 as the first air port of air inlet, can fully ensure that this terminal is positioned on desktop time, other panels except baseplane are sealing surface, there is no louvre, when guarantee is handsome in appearance, can pass through IPX2 level waterproof, in addition, the second air port can ensure towards desktop that fan noise is first transmitted to after desktop is reflected by desktop again and just be heard by user, thereby reduce part noise.
Slider 16, is positioned in the middle of the first air port and the second air port, prevents that the hot blast in the second air port from being absorbed by the first air port.
The airflow direction that the structure of heat abstractor of the present utility model forms, cold airflow becomes thermal current after circling round in housing one week and blows out from the baseplane of housing, can fully promote the uniformity of mainboard surface heat, promote surface of shell heat-sinking capability, reduce the operating time of fan, fan is interruption work in the time that complete machine is worked, and when mainboard temperature rise quits work to the first threshold value aft-fan, starts operation when mainboard temperature is reduced to the second threshold value aft-fan.In device of the present utility model, after fan quits work, mainboard heat is even, can effectively extend fan work interval; Wherein, the first thresholding is high temperature threshold value, and the second thresholding is low temperature threshold value.
In heat abstractor of the present utility model, by mainboard or the second fixed mount, housing is isolated into left and right or upper-lower casing, form nature air channel, be beneficial to the assembling of fin and the reduction of complete machine cost, avoid increasing air channel barrier, reduce the auxiliary material of inlet and outlet.
In Fig. 1, the housing 11 of device 10 is vertical box Terminal Type housing, including but not limited to fore shell, mesochite, back cover.Fan 12 is fixed on the inside of housing 11 by being fixed on the first fixed mount 13 on the baseplane of housing 11, provide air force for installing 10.The second air port 15 is positioned at a side of fixing the first fixed mount 13 on the baseplane of housing 11 as air outlet, the first air port 14 is positioned at the opposite side on the baseplane of housing 11 as air inlet.Mainboard 18 is assemblied in the middle of housing 11 by the second fixed mount 17, and housing 11 is divided into two cavitys in left and right, forms air flow channel; Mainboard 18 is provided with fin 21, and the heat of the chip on mainboard 18 is taken on a more large-area radiator, strengthens area of dissipation, increases radiating efficiency, and fin 21 can remove or change into plane to reduce costs in the time that power consumption is little; On the first fixed mount 13, be provided with sealing gasket 22, for sealing fan 12 and the second air port 15, avoid the backflow of hot blast.On the outer surface of the baseplane of housing 11, be provided with slider 16, and slider 16 is between the second air port 15 and the first air port 14, prevents that the hot air flow in the second air port 15 is to the first air port 14.
By the air channel for fan cooling of said structure constituent apparatus 10, wherein, distinguished and admirable direction is as shown in the arrow in figure, and solid line is hot blast.Dotted line is cold wind.The distinguished and admirable concrete flow direction is: cold wind is from the first air port 14 accesss to plant 10, through the fin 21 of mainboard 18 left-hand face, now, become hot blast through the distinguished and admirable of fin 21 from cold wind, hot blast, through the second reserved ventilation hole 19 in fixed mount 17 tops, flows to the cavity on device right side, surface through mainboard 18 right sides flows to fan 12, fan 12 blows out hot blast from the second air port 15, form the left side and enter cold wind, and the right goes out the circulation of hot blast.
Here, fan 12 can carry out self-starting or quit work according to the temperature of mainboard 18.After the temperature of mainboard 18 is elevated to the first threshold value, quit work, after mainboard temperature is reduced to the second threshold value, restart work.
In Fig. 1, the baseplane of housing 11 is located in the second air port 15 and the first air port 14 simultaneously, the gap of simultaneously raising by foot pad (not shown) and the middle slider 16 of housing 11 with the outflow of hot blast that enters of cold wind is carried out, the bottom that the second air port 15 and the first air port 14 are located at housing 11 is conducive to appearance effect lifting, can prevent that domestic water is from installing 10 unrestrained the first air port 14 or the second air port 15 of entering, top, thereby avoid the damage of device 10 place terminals, the second air port 15 can reduce noise from the air-out of housing baseplane; The both side surface of mainboard 18 all has distinguished and admirable flowing through can ensure that the heat radiation of mainboard 18 is even, does not have heat radiation blind area, simultaneously improving heat radiation efficiency under the prerequisite of saving the second air port 15 and establish Air Filter.In addition, in the perforate of the baseplane of housing 11, to establish the first air port 14 and the second air port 15, do not worry the open defects such as light leak, promote user and experience.
In the utility model embodiment, fan 12 can be aerofoil fan or centrifugal fan.What the fan 12 in Fig. 1 adopted is aerofoil fan, hot blast is blown into and blows out in the same direction along fan shaft, the width of fan 12 limits to some extent to the width of the terminal of installing 10 places like this, but this fan cost is low, can be used in the insensitive terminal of complete machine width.
As shown in Figure 2, the aerofoil fan that fan 12 is adopted replaces with centrifugal fan, because the terminal at the device place shown in Fig. 2 is to width sensitivity, therefore, on the basis of Fig. 1, fan 12 has adopted centrifugal fan, and fan 12 is from left and right sides air intake, and vertical 90 degree are from bottom air-out, fan 12 is vertical putting in housing 11, effectively reduce the width that fan 12 takies, thereby reduce this device complete machine width, require less to the length and width of fan.
The terminal at the device place that Fig. 3 provides taking the utility model describes heat abstractor of the present utility model as horizontal box Terminal Type as example, and here, the housing 11 of horizontal box Terminal Type adopts horizontal design.
For the device shown in Fig. 3, mainboard 18 is laterally placed in the middle of housing 11, the upper surface of housing 11 baseplanes is provided with thermal insulation board 20, and the lower surface of thermal insulation board 20 tops and horizontal mainboard 18 is fixed, and on the second fixed mount 17 for fixing mainboard 18, is provided with ventilation hole 19.As shown in Figure 3, be respectively equipped with ventilation hole 19 at the two ends of the second fixed mount 17, wherein, two ventilation holes 19 are respectively used to the circulation of cold wind and hot blast.Aerofoil fan 12 is positioned at the right side of mainboard 18 belows, and the first air port 14 is in the left side of the baseplane of housing 11, and the top that fin 21 is positioned at mainboard 18 generates heat on serious chip.In the time that fan 12 is worked, distinguished and admirable direction is as shown in the arrow in figure, and solid line is hot blast, and dotted line is cold wind.Cold wind flows into from the first air port 14, bottom through mainboard 18 is flowed to above mainboard by the ventilation hole 19 between left side and the housing 11 of mainboard 18, flow to fan 12 through fin 21 and right side ventilation hole 19 from left to right again, the outlet air surface of fan 12 and housing 11 are isolated by sealing gasket 22, and hot blast flows out from the second air port 15.In the housing 11 of horizontal design, adopt aerofoil fan can save height space, also little to the size restrictions of fan, there are more more options to remove to reduce costs and reduce noise.
It should be noted that, the difference of Fig. 3 and Fig. 1 is to need thermal insulation board 20 below the mainboard 18 of housing 11 inside, prevents that air from directly flowing to fan 12 from mainboard 18 bottoms.
The above; it is only embodiment of the present utility model; but protection range of the present utility model is not limited to this; any be familiar with those skilled in the art the utility model disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of described claim.

Claims (7)

1. a heat abstractor, it is characterized in that, described device comprises: the first fixed mount (13), the first air port (14), the second air port (15) of housing (11), fan (12), fixing described fan (12);
Wherein, described fan (12) is fixed on the baseplane of described housing (11) by described the first fixed mount (13), described the second air port (15) is positioned at a side of fixing described the first fixed mount (13) on the baseplane of described housing (11), and described the first air port (14) is positioned at the opposite side on the baseplane of described housing (11).
2. device according to claim 1, it is characterized in that, the outside of the baseplane of described housing (11) is provided with the slider (16) for described the second air port (15) and described the first air port (14) being isolated in to the both sides, baseplane of described housing (11).
3. device according to claim 1, is characterized in that, the plane except baseplane of described housing (11) is sealing surface.
4. device according to claim 1, it is characterized in that, described housing (11) inside is provided with the second fixed mount (17), and described the second fixed mount (17) is fixed on vertical mainboard (18) between described the first air port (14) and described the second air port (15).
5. device according to claim 4, is characterized in that, the top of the baseplane with respect to described housing (11) of described the second fixed mount (17) is provided with ventilation hole (19).
6. device according to claim 1, it is characterized in that, the upper surface of described housing (11) baseplane is provided with thermal insulation board (20), the lower surface of described thermal insulation board (20) top and horizontal mainboard (18) is fixed, and on the second fixed mount (17) for fixing described mainboard (18), is provided with ventilation hole (19).
7. device according to claim 1, is characterized in that, described fan (12) is aerofoil fan or centrifugal fan.
CN201420395012.4U 2014-07-17 2014-07-17 A kind of heat abstractor Expired - Lifetime CN204014385U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201420395012.4U CN204014385U (en) 2014-07-17 2014-07-17 A kind of heat abstractor
PCT/CN2014/087220 WO2015117336A1 (en) 2014-07-17 2014-09-23 Heat radiation device

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Application Number Priority Date Filing Date Title
CN201420395012.4U CN204014385U (en) 2014-07-17 2014-07-17 A kind of heat abstractor

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Publication Number Publication Date
CN204014385U true CN204014385U (en) 2014-12-10

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WO (1) WO2015117336A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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CN109383319A (en) * 2018-11-12 2019-02-26 南通科技职业学院 A kind of new-energy automobile charge control system

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106774751B (en) * 2017-01-03 2023-05-05 北京飞讯数码科技有限公司 External surface heat abstractor
CN106793719A (en) * 2017-03-29 2017-05-31 贵州大学 A kind of regulator cubicle for intercepting external heat and quick heat radiating
CN114625228A (en) * 2022-03-14 2022-06-14 Oppo广东移动通信有限公司 Host device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101424966B (en) * 2007-11-02 2011-09-07 英业达股份有限公司 Casing for electronic device
TWI377008B (en) * 2009-04-14 2012-11-11 Compal Electronics Inc Electronic device
TWI505073B (en) * 2012-03-22 2015-10-21 Compal Electronics Inc Electronic device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109383319A (en) * 2018-11-12 2019-02-26 南通科技职业学院 A kind of new-energy automobile charge control system
CN109383319B (en) * 2018-11-12 2021-11-26 南通科技职业学院 New energy automobile charging control system

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Granted publication date: 20141210