CN107135598A - Heat abstractor and electronic equipment - Google Patents
Heat abstractor and electronic equipment Download PDFInfo
- Publication number
- CN107135598A CN107135598A CN201710468419.3A CN201710468419A CN107135598A CN 107135598 A CN107135598 A CN 107135598A CN 201710468419 A CN201710468419 A CN 201710468419A CN 107135598 A CN107135598 A CN 107135598A
- Authority
- CN
- China
- Prior art keywords
- heat transfer
- transfer piece
- heat
- printed circuit
- electronic component
- 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.)
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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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/0209—External configuration of printed circuit board adapted for heat dissipation, e.g. lay-out of conductors, coatings
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/0204—Cooling of mounted components using means for thermal conduction connection in the thickness direction of the substrate
- H05K1/0206—Cooling of mounted components using means for thermal conduction connection in the thickness direction of the substrate by printed thermal vias
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
- H05K1/0218—Reduction of cross-talk, noise or electromagnetic interference by printed shielding conductors, ground planes or power plane
- H05K1/0224—Patterned shielding planes, ground planes or power planes
- H05K1/0225—Single or multiple openings in a shielding, ground or power plane
-
- 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
- H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
- H05K7/20454—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff with a conformable or flexible structure compensating for irregularities, e.g. cushion bags, thermal paste
-
- 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
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/002—Casings with localised screening
- H05K9/0022—Casings with localised screening of components mounted on printed circuit boards [PCB]
- H05K9/0024—Shield cases mounted on a PCB, e.g. cans or caps or conformal shields
- H05K9/0026—Shield cases mounted on a PCB, e.g. cans or caps or conformal shields integrally formed from metal sheet
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/06—Thermal details
- H05K2201/066—Heatsink mounted on the surface of the PCB
-
- 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/07—Electric details
- H05K2201/0707—Shielding
- H05K2201/0715—Shielding provided by an outer layer of PCB
Abstract
This application provides a kind of heat abstractor and electronic equipment, heat abstractor is used to set on a printed circuit to radiate to the electronic component set on printed circuit board (PCB), and it includes：Supporting mechanism, its connecting portion for including plate-like main body and being arranged on body rim, main body and connecting portion formation house the inner space of electronic component, supporting mechanism can be connected by connecting portion with printed circuit board (PCB), main body have back to first surface and second surface, first surface is when supporting mechanism is connected on printed circuit board (PCB) in face of electronic component；Set on the first surface and first heat transfer piece corresponding with electronic component, the first heat transfer piece is in contact when supporting mechanism is connected on printed circuit board (PCB) with electronic component, the thickness of the first heat transfer piece is 2 to 15 mils.The heat abstractor of the application is applied to require the radiating of lightening electronic equipment.
Description
Technical field
The application is related to technical field of heat dissipation, more particularly to a kind of heat abstractor.
The application is related to technical field of electronic products, more particularly to a kind of electronic equipment.
Background technology
The description of this part only provides the background information related to disclosure, without constituting prior art.
Lightening, the high speed of service turns into the trend of Current electronic production development.Therefore, in the design of electronic equipment
During, developer always tends to use high-power high-performance electronic component in small size space, and which results in electronics
It is more and more important that the heat management problems of product become.
For example, the intelligent movable electronic product of fast development in recent years such as smart mobile phone, tablet personal computer etc., these electronics
Product generally has larger display screen, and some electronic components of configuration, is exemplified as central processing unit, power management list
Member, power amplifier etc., generally have the characteristics of dominant frequency is higher, heat production is larger.Generally using radome and heat conduction circle in industry
The heat that electronic component is produced is dissipated in external environment by the mode that facestock material is combined.
Specifically, the heat-conducting interface material used can be thermally-conductive sheet class material, such as heat-conducting pad class material or phase
Change sheet material Heat Conduction Material etc..Specific set-up mode is the mould release membrance for removing thermally-conductive sheet class material side, by thermally-conductive sheet class
Under material is peeled off from opposite side mould release membrance, thermally-conductive sheet class material is then fitted in radome surface；Or remove heat conduction
The mould release membrance of sheet material class material side, is then fitted in radome surface by thermally-conductive sheet class material, then remove again surface from
Type film.
Present inventor is being had found after long-term field practice, and heat-conducting interface material is required using such scheme
Thickness is thicker (being typically not less than 0.4 millimeter), otherwise when removing surface mould release membrance, it is easy to which appearance makes to lead because intensity is weaker
There is the phenomenon of stretcher strain or fracture in thermal interfacial material.However, from being described above, the lightening development of electronic equipment
Trend, it is desirable to which radome and the thickness for the heat-conducting interface material being arranged on radome are smaller.So as to which such scheme is being required
Application in lightening electronic equipment is restricted.
It should be noted that the introduction of technical background is intended merely to above the convenient technical scheme to the application carry out it is clear,
Complete explanation, and facilitate the understanding of those skilled in the art and illustrate.Can not be merely because these schemes be the application's
Background section is set forth and thinks that above-mentioned technical proposal is known to those skilled in the art.
The content of the invention
In view of the defect of above-mentioned prior art, this application provides a kind of heat abstractor and electronic equipment, the radiating
Device is applied to require the radiating of lightening electronic equipment.
To achieve these goals, this application provides following technical scheme.
A kind of heat abstractor, the heat abstractor is used to set on a printed circuit with to setting on the printed circuit board (PCB)
The electronic component put is radiated；The heat abstractor includes：
Supporting mechanism, the supporting mechanism includes plate-like main body and is arranged on the connecting portion of the body rim,
The main body and connecting portion formation house the inner space of the electronic component, and the supporting mechanism can pass through the company
Socket part is connected with the printed circuit board (PCB), the main body have back to first surface and second surface, wherein, described the
One surface faces the electronic component when the supporting mechanism is connected on the printed circuit board (PCB)；
Set on the first surface and first heat transfer piece corresponding with the electronic component, first heat transfer
Part is in contact when the supporting mechanism is connected on the printed circuit board (PCB) with the electronic component, first heat transfer piece
Thickness be 2 to 15 mils.
Preferably, the supporting mechanism is made of an electrically conducting material.
Preferably, first heat transfer piece is molded by any one mode in injection, spraying, silk-screen printing and molding
On the first surface.
Preferably, first heat transfer piece includes the first flexible substrate and be arranged in first flexible substrate the
One heat-conducting part.
Preferably, multiple perforates are provided with the main body；Multiple first through hole, institute are provided with first heat transfer piece
First through hole is stated to connect with least partly described perforate.
Preferably, in addition to：The second heat transfer piece on the second surface is arranged on, second heat transfer piece is in the branch
It is in contact when support mechanism is connected on the printed circuit board (PCB) with positioned at the superolateral wall of the printed circuit board (PCB), described second passes
The thickness of warmware is 2 to 15 mils.
Preferably, second heat transfer piece includes the second flexible substrate and be arranged in second flexible substrate the
Two heat-conducting parts.
Preferably, second heat transfer piece is molded by any one mode in injection, spraying, silk-screen printing and molding
On the second surface.
Preferably, multiple second through holes are provided with second heat transfer piece, second through hole is described with least part
Perforate connects.
A kind of electronic equipment, including：
Printed circuit board (PCB)；
Electronic component on the printed circuit board is set；
Heat abstractor described in any one embodiment as described above, the heat abstractor is arranged on the printed circuit board (PCB)
Go up and be located on the electronic component, first heat transfer piece is in contact with the electronic component.
Technical scheme more than, the application in supporting mechanism on the first surface of electronic component by setting
Thickness is the first heat transfer piece of 2 to 15 mils, and branch is pasted onto compared to by traditional heat-conducting interface material for being configured with mould release membrance
For on support mechanism, integral thickness is substantially reduced, so that the heat abstractor of the application can preferably be applied to require light
The radiating of the electronic equipment of thinning.
Other application field will become obvious according to description provided herein.The description of present invention and specifically show
Example is only intended to the purpose illustrated, it is not intended that limitation the scope of the present invention.
Brief description of the drawings
Accompanying drawing described here is only used for task of explanation, and is not intended in any way limit model disclosed in the present application
Enclose.In addition, shape and proportional sizes of each part in figure etc. are only schematical, the understanding to the application is used to help, and
It is not the specific shape and proportional sizes for limiting each part of the application.Those skilled in the art, can under teachings of the present application
To select various possible shapes and proportional sizes to implement the application as the case may be.In the accompanying drawings：
Fig. 1 is the dimensional structure diagram of the heat abstractor of the application embodiment；
Fig. 2 is the overlooking the structure diagram of heat abstractor in Fig. 1；
Fig. 3 is the present invention looks up structural representation of heat abstractor in Fig. 1；
Fig. 4 is the cross section structure diagram in the A-A directions of heat abstractor in Fig. 1.
Embodiment
It should be noted that when a parts are referred to as " being arranged at " another parts, it can be directly another
On individual parts or there can also be a parts placed in the middle.When a parts are considered as " connection " another parts,
It can be directly to another parts or may be simultaneously present parts placed in the middle.
Unless otherwise defined, all of technologies and scientific terms used here by the article and the technical field of the application is belonged to
The implication that technical staff is generally understood that is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.
Also referring to Fig. 1 to Fig. 4, a kind of heat abstractor 100 that the application is provided can be used for being arranged on printed circuit
To be radiated to the electronic component set on printed circuit board (PCB) on plate.Heat abstractor 100 can include：Supporting mechanism 1, branch
Support mechanism 1 can include plate-like main body 11 and be arranged on the connecting portion 12 at the edge of main body 11, main body 11 and connecting portion 12
The inner space for housing electronic component is formed, supporting mechanism 1 can be connected by connecting portion 12 with printed circuit board (PCB), main body 11
With back to first surface 111 and second surface 112, first surface 111 is connected on printed circuit board (PCB) in supporting mechanism 1
When can face electronic component；The first heat transfer piece 2 on first surface 111 and corresponding with electronic component is arranged on, the
One heat transfer piece 2 is in contact when supporting mechanism 1 is connected on printed circuit board (PCB) with electronic component, the thickness of the first heat transfer piece 2
For 2 to 15 mils (mil).
The heat abstractor 100 of the application embodiment, by the first surface that electronic component is faced in supporting mechanism 1
The first heat transfer piece 2 that thickness is 2 to 15 mils is set on 111, compared to by traditional thermally-conductive interface material for being configured with mould release membrance
For material is pasted onto on radome, integral thickness is substantially reduced, so that the heat abstractor 100 of the application can be fitted preferably
Radiating for requiring lightening electronic equipment.
Supporting mechanism 1 is used for the first heat transfer piece 2 of support, and in one embodiment, supporting mechanism 1 is specifically as follows screen
Cover is covered, so that supporting mechanism 1 can be to setting electronic component formation plate cascade screen (BLS, Board on a printed circuit
Level Shielding), therefore, supporting mechanism 1 is made up of conductive material such as metal material.
The main body 11 and connecting portion 12 that supporting mechanism 1 includes preferably are formed in one.Specifically, be exemplified as, can be to one
Plate-shape metal base material implements bending technique, the edge of metal base is bent 90 degree and forms connecting portion 12, metal base is not curved
The part of folding forms main body 11.Connecting portion 12 circumferentially surrounds main body 11, and electric components are contained in into it so as to be formed
In inner space.
Multiple perforates 113 can be set in main body 11, so as to mitigate the weight of supporting mechanism 1 to a certain extent,
And then mitigate the weight of electronic equipment, meet the lightening and light-weighted needs of electronic equipment.In practice, the quantity of perforate 113
Can be set according to the plate face area of main body 11, for example, 50 to 200, make the rate of cloth perforate 113 of main body 11 for 30% to
50% is advisable.
First heat transfer piece 2 is in contact when supporting mechanism 1 is connected on printed circuit board (PCB) with electronic component, so as to
The gap between supporting mechanism 1 and electronic component is filled, the air in gap is discharged, heat transfer resistance is reduced, makes electronics
The heat that component is produced can be dissipated in external environment to greatest extent.
The quantity of first heat transfer piece 2 is at least one, and the quantity for the first heat transfer piece 2 that Fig. 1 to Fig. 3 is schematically shown is two
It is individual, but the application is not limited thereto.In practice, the electronics that the quantity of the first heat transfer piece 2 can be set according to the actual mask of supporting mechanism 1
The quantity of component and set, generally one electronic component is correspondingly arranged first heat transfer piece 2, and the application does not make to this
Limit.
The mould release membrance in the surface configuration of heat-conducting interface material is needed to cancel traditional approach, the first heat transfer piece 2 can lead to
Any one mode crossed in injection, spraying, silk-screen printing and molding is molded on the first surface 111 of main body 11.Due to
One heat transfer piece 2 finally needs to set on the main body 11, therefore, the first heat transfer piece 2 that nationality is formed in any one above-mentioned mode with
Main body 11 is formed substrates, and the position that such first heat transfer piece 2 is molded is the position finally set, so as to without release
Film provides protection, enters without setting mould release membrance on the surface of the first heat transfer piece 2.
Illustrated so that the first heat transfer piece 2 is molded over by silk-screen printing on first surface 111 as an example, such as Fig. 1 to Fig. 3 institutes
Show, the first heat transfer piece 2 that the first surface 111 schematically illustrated in main body 11 is formed is substantially square, then, implement silk
Perforate eye on the perforated panel of net typography is correspondingly square, and perforated panel is fitted on the first surface 111 of main body 11,
The raw material (being in a liquid state or gel state) that the first heat transfer piece 2 is made are transferred to stock i.e. the first table of main body 11 by perforate eye
On face 111, and finally it solidify to form the first heat transfer piece 2.
Due to mould release membrance need not be set on the first heat transfer piece 2 using above-mentioned technical proposal formation, therefore also just it is not present
Be likely to occur when removing mould release membrance because intensity is weaker make the first heat transfer piece 2 be stretched deformation or be broken the problem of, therefore, this
The thickness of first heat transfer piece 2 of application is arranged on compared to prior art for the heat-conducting interface material on supporting mechanism 1, thickness
It can be thinned significantly, so as to substantially reduce the thickness of heat abstractor 100, and then it is lightening preferably to adapt to electronic equipment
Development trend.
In addition, the surface of the first heat transfer piece 2 formed using above-mentioned technical proposal is relatively smooth, without pin perforate 113 etc.
Defect.Simultaneously because without remove mould release membrance from the first heat transfer piece 2, the first heat transfer piece 2 is not by external force traction action, so
First heat transfer piece 2 is not in after deformation, fracture, laminating the problems such as come off, so that the first heat transfer piece 2 can keep more excellent
Shape, and can more consolidate and be fitted on the first surface 111 of main body 11.
It was verified that using above-mentioned technical proposal in the first heat transfer piece 2 of formation of first surface 111 of main body 11, can be with
Greatly improve the shaping efficiency of the first heat transfer piece 2.Specifically, in the prior art, heat conduction circle is completed on radome
The setting of facestock material takes around 2 minutes or so, and uses technical scheme, complete on the first surface 111 of main body 11
Shaping into first heat transfer piece 2 is about only needed to 10 seconds or so, and speed of production and efficiency are obtained for great lifting.
Further, in the prior art, the heat-conducting interface material on radome is arranged on, due to needing to make thermally-conductive interface
There is predetermined bonding strength, the general stripping performance for requiring to improve heat-conducting interface material as far as possible between material and radome.
So, the compressive deformation degradation of heat-conducting interface material, 100Psi compressive deformation is less than 30%.
And the first heat transfer piece 2 of the application is due to without considering the stripping problem that may trigger by drawing, so that first
Heat transfer piece 2 can have preferably compressive deformation performance.In practice, the compressive deformation performance of the first heat transfer piece 2 in the application
The deformation rank of typical thermal-conductive gasket material can be reached, 100Psi compressive deformation can reach 80%.So, the first heat transfer
Part 2 can be full of the gap between supporting mechanism 1 and electronic component, by the air emptying in gap, so as to obtain relatively low
Interface resistance, greatly improves heat dissipation efficiency.
As shown in figure 4, the first heat transfer piece 2 can include the first flexible substrate 21 and be arranged in the first flexible substrate 21
The first heat-conducting part 22.Wherein, the first flexible substrate 21 can provide compressive deformation performance for the first heat transfer piece 2, and it specifically may be used
Think any one in organic siliconresin, thermoplastic elastomer, thermoplastic, any one above-mentioned material there can be liquid
Or the form of gel state, make to be formed in the first surface 111 of main body 11 by modes such as injection, spraying, silk-screen printing or moldings
First heat transfer piece 2 is possibly realized.
In addition, when the first flexible substrate 21 is thermoplastic elastomer or thermoplastic, crosslinking is not present in the first heat transfer piece 2
The process of solidification；When the first flexible substrate 21 is organic siliconresin, there is the process of crosslinking curing in the first heat transfer piece 2, specifically
Curing process can include but is not limited to heat cure, moisture-curable and UV solidification.
First heat-conducting part 22 can provide heat transfer property for the first heat transfer piece 2.Specifically, can be with the first flexible substrate 21
At least one of zinc oxide, aluminum oxide, boron nitride, metal-powder, silica is distributed with to form first heat-conducting part 22.
Zinc oxide, aluminum oxide, boron nitride, metal-powder, silica can be substantially in granular form, and its grain can be set according to actual conditions
Degree, the application is not construed as limiting to this.
In addition, multiple first through hole 23 connected with least part perforate 113 can be provided with the first heat transfer piece 2.
Due to multiple perforates 113 are offered in the main body 11 of supporting mechanism 1 in advance, therefore using any one above-mentioned molding mode in master
Can be with the multiple first through hole 23 of self-assembling formation on first heat transfer piece 2 of the formation of first surface 111 of body 11.By in the first heat transfer
Multiple first through hole 23 are set on part 2, can equally mitigate the weight of heat abstractor 100 to a certain extent, and then mitigate electricity
The weight of sub- equipment.
Fig. 3 and Fig. 4 are referred to, in one embodiment, heat abstractor 100 can also include being arranged on supporting mechanism 1
Second surface 112 on the second heat transfer piece 3, the second heat transfer piece 3 is when supporting mechanism 1 is connected on printed circuit board (PCB) with being located at
The superolateral wall of printed circuit board (PCB) is in contact.
The molding mode of second heat transfer piece 3, thickness specification, quantity set the description that can refer to above to the first heat transfer piece 2,
It will not be repeated here.
Likewise, the second heat transfer piece 3 can include the second flexible substrate 31 and be arranged in the second flexible substrate 31
Second heat-conducting part 32.The specific implementation of second flexible substrate 31 and the second heat-conducting part 32 can be found in above to the first flexible base
The description of the heat-conducting part 22 of body 21 and first, will not be repeated here.
Multiple the second through holes 33 connected with least part perforate 113 can be provided with second heat transfer piece 3, to mitigate
The weight of heat abstractor 100.
It is specifically as follows the inwall of the housing of electronic equipment positioned at the superolateral wall of printed circuit board (PCB).Specifically, when this Shen
When heat abstractor 100 please is connected on the printed circuit board (PCB) of electronic equipment, second surface 112 can face the shell of electronic equipment
The inwall of body, the second heat transfer piece 3 can contact the inwall of housing, so as to fill supporting mechanism 1 and casting of electronic device it
Between gap, by gap air discharge, reach reduction heat transfer resistance purpose.
Present invention also provides a kind of electronic equipment, it can include：Printed circuit board (PCB)；It is arranged on the printed circuit board (PCB)
On electronic component；Heat abstractor 100 described in any one embodiment as described above, the heat abstractor 100 is arranged on
On the printed circuit board (PCB) and it is located on the electronic component, first heat transfer piece 2 connects with the electronic component
Touch.
In the present embodiment, electronic equipment can include but is not limited to mobile phone, Flat electronic equipment, computer, GPS and lead
Navigate instrument, personal digital assistant, intelligent wearable device etc..
It should be noted that in the present embodiment, printed circuit board (PCB) can be any appropriate existing construction, the application
This is not construed as limiting.
In addition, the electronic equipment in the basic function in order to realize electronic equipment, the application can also be required including other
Module or part.For example, mobile phone can also include communication module, battery etc..It should be noted that the electronics of present embodiment
Other required modules or part that equipment includes can select any appropriate existing construction.To be clearly briefly described this Shen
The technical scheme please provided, no longer will be repeated above-mentioned part, Figure of description is also correspondingly omitted herein.
However, it should be understood that therefore the present embodiment is not restricted in scope.
It should be noted that in the description of the present application, term " first ", " second " etc. are only used for description purpose and difference
Similar object, between the two and in the absence of sequencing, can not be interpreted as indicating or implying relative importance.
Herein cited any digital value all include between lower limit to higher limit with the lower value of an incremented and
The all values of upper value, the interval that there are at least two units between any lower value and any much higher value.For example, such as
Fruit elaborate the quantity of part or the value of process variable such as thickness be from 2 to 10, preferably from 3 to 9, more preferably from 4 to
8.These are only intended to the example clearly expressed, it is believed that all of numerical value enumerated between minimum and peak can
It can combine and be all expressly set forth in a similar manner in the specification.
Unless otherwise indicated, all scopes all include all numerals between end points and end points.It is used together with scope
" about " or " approximate " be suitable for two end points of the scope.
It should be understood that above description is to be limited in order to illustrate rather than.By reading above-mentioned retouch
State, many embodiments and many applications outside the example provided all will be aobvious and easy for a person skilled in the art
See.Therefore, the scope of this teaching should not be determined with reference to foregoing description, but should with reference to preceding claims and this
The four corner of the equivalent that a little claims are possessed is determined.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as applicant the theme is not thought of as it is disclosed
Apply for a part for theme.
Claims (10)
1. a kind of heat abstractor, the heat abstractor is used to set on a printed circuit with to setting on the printed circuit board (PCB)
Electronic component radiated；Characterized in that, the heat abstractor includes：
Supporting mechanism, the supporting mechanism includes plate-like main body and is arranged on the connecting portion of the body rim, described
Main body and connecting portion formation house the inner space of the electronic component, and the supporting mechanism can pass through the connecting portion
Be connected with the printed circuit board (PCB), the main body have back to first surface and second surface, wherein, first table
Face faces the electronic component when the supporting mechanism is connected on the printed circuit board (PCB)；
Set on the first surface and first heat transfer piece corresponding with the electronic component, first heat transfer piece exists
It is in contact when the supporting mechanism is connected on the printed circuit board (PCB) with the electronic component, the thickness of first heat transfer piece
Spend for 2 to 15 mils.
2. heat abstractor as claimed in claim 1, it is characterised in that the supporting mechanism is made of an electrically conducting material.
3. heat abstractor as claimed in claim 1, it is characterised in that first heat transfer piece passes through injection, spraying, screen printing
Any one mode in brush and molding is molded on the first surface.
4. heat abstractor as claimed in claim 1, it is characterised in that first heat transfer piece include the first flexible substrate and
It is arranged on the first heat-conducting part in first flexible substrate.
5. heat abstractor as claimed in claim 1, it is characterised in that multiple perforates are provided with the main body；Described first
Multiple first through hole are provided with heat transfer piece, the first through hole connects with least partly described perforate.
6. heat abstractor as claimed in claim 5, it is characterised in that also include：It is arranged on second on the second surface
Heat transfer piece, second heat transfer piece is when the supporting mechanism is connected on the printed circuit board (PCB) with being located at the printed circuit
The superolateral wall of plate is in contact, and the thickness of second heat transfer piece is 2 to 15 mils.
7. heat abstractor as claimed in claim 6, it is characterised in that second heat transfer piece include the second flexible substrate and
It is arranged on the second heat-conducting part in second flexible substrate.
8. heat abstractor as claimed in claim 6, it is characterised in that second heat transfer piece passes through injection, spraying, screen printing
Any one mode in brush and molding is molded on the second surface.
9. heat abstractor as claimed in claim 6, it is characterised in that multiple second are provided with second heat transfer piece and is led to
Hole, second through hole connects with least partly described perforate.
10. a kind of electronic equipment, it is characterised in that including：
Printed circuit board (PCB)；
Electronic component on the printed circuit board is set；
Heat abstractor as described in claim 1 to 9 any one, the heat abstractor is set on the printed circuit board simultaneously
It is located on the electronic component, first heat transfer piece is in contact with the electronic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2018/082186 WO2018184595A1 (en) | 2017-04-07 | 2018-04-08 | Heat dissipation devices |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720359504 | 2017-04-07 | ||
| CN2017203595041 | 2017-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107135598A true CN107135598A (en) | 2017-09-05 |
Family
ID=59737149
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710468419.3A Pending CN107135598A (en) | 2017-04-07 | 2017-06-20 | Heat abstractor and electronic equipment |
| CN201720716615.3U Active CN206807860U (en) | 2017-04-07 | 2017-06-20 | Heat abstractor and electronic equipment |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720716615.3U Active CN206807860U (en) | 2017-04-07 | 2017-06-20 | Heat abstractor and electronic equipment |
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| Country | Link |
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| CN (2) | CN107135598A (en) |
| WO (1) | WO2018184595A1 (en) |
Cited By (2)
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| WO2018184595A1 (en) * | 2017-04-07 | 2018-10-11 | Tianjin Laird Technologies Limited | Heat dissipation devices |
| CN110112103A (en) * | 2019-05-20 | 2019-08-09 | 金小法 | A kind of integrated circuit board effectively improving shock resistance |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110325019B (en) * | 2019-07-02 | 2020-12-04 | 华为技术有限公司 | Electronic equipment |
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Also Published As
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| CN206807860U (en) | 2017-12-26 |
| WO2018184595A1 (en) | 2018-10-11 |
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