CN107664455A - Loop hot-pipe and the electronic installation with loop hot-pipe - Google Patents
Loop hot-pipe and the electronic installation with loop hot-pipe Download PDFInfo
- Publication number
- CN107664455A CN107664455A CN201610614591.0A CN201610614591A CN107664455A CN 107664455 A CN107664455 A CN 107664455A CN 201610614591 A CN201610614591 A CN 201610614591A CN 107664455 A CN107664455 A CN 107664455A
- Authority
- CN
- China
- Prior art keywords
- evaporator
- pipe
- inner tube
- affected zone
- open end
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/043—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure forming loops, e.g. capillary pumped loops
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/046—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure
-
- 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
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20336—Heat pipes, e.g. wicks or capillary pumps
Abstract
The present invention provides a kind of loop hot-pipe and the electronic installation with loop hot-pipe.The loop hot-pipe is to the electronic element radiating to electronic installation.The loop hot-pipe includes evaporator and body, and the evaporator and the body are collectively forming a loop, so that a heat transfer medium flows are in wherein.The evaporator includes a contact heat affected zone, and the contact heat affected zone contacts with the electronic component, so that the used heat of the electronic component reaches the evaporator.The body includes an outer tube and an inner tube, and the both ends of the outer tube are individually coupled to the evaporator, and the inner tube extends from the outer tube and in the evaporator.A view field has vertically been defined in the contact heat affected zone towards projecting in the evaporator, and a distal opening of the inner tube is located at the view field.Thereby, directly contact highest temperature area when entering evaporator the invention enables heat transfer medium and perform heat exchange, to reach efficient radiating effect.
Description
Technical field
The present invention is on a kind of heat abstractor, especially with regard to a kind of loop hot-pipe and has loop hot-pipe
Electronic installation.
Background technology
The fast-developing and its caused convenience of computer and various electronic product, allowed modern to form makes for a long time
Custom, but computer and various electronic product, during by long-time operation, its caused heat can not be accordingly timely
The shortcomings that shedding, it is also adjoint.
For the existing loop hot-pipe of in general, as shown in figure 1, existing loop hot-pipe 9 have an evaporator 90 with
And a body 91, the both ends of body 91 can be connected to the inflow entrance 90a and a flow export 90b of evaporator 90, so that
Evaporator 90 and body 91 are collectively forming the loop of a connection, and heat transfer medium, which is located in the loop of the connection, is used as fluid
Matter.In structure, the connection of body 91 and evaporator 90 is the inflow entrance 90a that body 91 is only connected to evaporator 90, and not again
Stretch into evaporator 90.
One pyrotoxin 92 is adhered on evaporator 90, and the heat of pyrotoxin 92 is reached into evaporator 90 is radiated.But one
As for, pyrotoxin 92 is only attached to the sub-fraction contact area 90c of the outer surface of evaporator 90, and the fraction contact zone
Domain 90c also necessarily temperature highest regions on evaporator 90.But in existing loop hot-pipe 9, heat transfer medium is flowing
During into inflow entrance 90a, the fraction contact area 90c of the highest temperature can't be directly contacted, but first touches and is located at
Evaporator pane edge and the relatively low region of temperature.It is accordingly obvious that ground, the radiating efficiency of existing loop hot-pipe is not attained most preferably yet,
Effect is limited.Therefore, existing loop hot-pipe stills need to improve.
The content of the invention
The technical problem to be solved in the present invention is, for deficiencies of the prior art, there is provided one kind can carry
The loop hot-pipe of high cooling efficiency and the electronic installation with loop hot-pipe.
The technical solution adopted for the present invention to solve the technical problems is to provide a kind of loop hot-pipe, is configured at an electronics
In device, to the electronic element radiating to the electronic installation, the loop hot-pipe includes evaporator and body, the evaporation
Device includes a gas flow outlet, a liquid inflow port and a contact heat affected zone, and the contact heat affected zone is located at the one of the evaporator
Outer surface, and the contact heat affected zone of the evaporator is fitted so that the used heat of the electronic component to be passed to be contacted with the electronic component
To the evaporator；The body is collectively forming a loop with the evaporator, and the body includes an outer tube and an inner tube, and this is outer
Pipe has the first open end and the second open end, and first open end is connected to the gas flow outlet, and this second is opened
Mouth end is connected to the liquid inflow port, and the inner tube extends from second open end, and connects with the second open end fluid
It is logical, and the inner tube is located in the evaporator；Wherein, a projection has vertically been defined in the contact heat affected zone towards projecting in the evaporator
Region, and a distal opening of the inner tube is located at the view field.
It is preferred that the contact heat affected zone of the evaporator has a normal direction, the contact heat affected zone is along the normal direction
Project and define the view field.
It is preferred that the inner tube has a front opening and the distal opening, the front opening is connected to second opening
End, the distal opening are a free end, wherein, the caliber of the inner tube is tapered towards the distal opening direction by the front opening.
It is preferred that the loop hot-pipe also includes condenser, the condenser is connected in the outer tube.
It is preferred that the contact heat affected zone also includes a capillary structure face, the capillary structure face is vertically towards throwing in the evaporator
Penetrate and defined a capillary structure view field, and the distal opening of the inner tube is located at the capillary structure view field.
The present invention also provides a kind of electronic installation with loop hot-pipe, including electronic component, evaporator and body；
The evaporator includes a gas flow outlet and a liquid inflow port, and the electronic component is contacted with an outer surface of the evaporator,
Fit so that the used heat of the electronic component is reached into the evaporator；The body is collectively forming a loop with the evaporator, the body
Including an outer tube and an inner tube, the outer tube has the first open end and the second open end, and first open end connects
The gas flow outlet is connected to, second open end is connected to the liquid inflow port, and the inner tube extends from second open end,
And be in fluid communication with second open end, and the inner tube is located in the evaporator；Wherein, the electronic component and the evaporator phase
Mutually contact and define a contact heat affected zone, the contact heat affected zone is towards being projected out a view field, and the inner tube in the evaporator
A distal opening fall within the view field.
It is preferred that the contact heat affected zone of the evaporator has a normal direction, the contact heat affected zone is along the normal direction
Project and define to form the view field.
It is preferred that the inner tube has a front opening and the distal opening, the front opening is connected to second opening
End, the distal opening are a free end, wherein, the caliber of the inner tube is tapered towards the distal opening direction by the front opening.
It is preferred that the electronic installation also includes condenser, the condenser is connected in the outer tube.
It is preferred that the contact heat affected zone also includes a capillary structure face, the capillary structure face is vertically towards throwing in the evaporator
Penetrate and defined a capillary structure view field, and the distal opening of the inner tube is located at the capillary structure view field.
The body of loop hot-pipe of the present invention is extended into evaporator, and under contact heat affected zone (i.e.
Temperature highest point), flowing is directly contacted the highest temperature when heat transfer medium in loop hot-pipe is entering evaporator
Region and perform heat exchange and take away heat energy rapidly, so as to improve radiating efficiency, reach good heat radiating benefit.
Brief description of the drawings
Fig. 1 is a diagrammatic cross-section of existing loop hot-pipe.
Fig. 2 is the schematic top plan view of the first embodiment for the electronic installation that the present invention has loop hot-pipe.
Fig. 3 is the diagrammatic cross-section of the first embodiment for the electronic installation that the present invention has loop hot-pipe.
Fig. 4 is the diagrammatic cross-section of the second embodiment for the electronic installation that the present invention has loop hot-pipe.
Fig. 5 is the diagrammatic cross-section of the 3rd embodiment for the electronic installation that the present invention has loop hot-pipe.
Embodiment
Fig. 2 is the schematic top plan view of the first embodiment for the electronic installation that the present invention has loop hot-pipe, and Fig. 3 is this hair
The diagrammatic cross-section of the first embodiment of the bright electronic installation with loop hot-pipe, and please refer to Fig. 2 and Fig. 3.This
Invention loop hot-pipe 1 is arranged within an electronic installation 5, and loop hot-pipe 1 includes an evaporator 10 and a body 11.Steam
Sending out device 10 includes a gas flow outlet 10a, a liquid inflow port 10b and a contact heat affected zone 10c.Body 11 includes an outer tube
111 and an inner tube 112, outer tube 111 there is one first open end 111a and one second open end 111b.Wherein,
One open end 111a is connected to gas flow outlet 10a, the second open end 111b and is connected to liquid inflow port 10b, thereby, steams
Hair device 10 is in fluid communication with body 11, and is collectively forming a loop.There is a heat transfer medium 8 to flow in loop, to make
To assist the medium of heat energy transfer, heat transfer medium 8 can be water or refrigerant, be not limited in this.
First illustrate that the main radiating principle of the present invention can be inhaled when the heat transfer medium 8 of liquid flows to evaporator 10 in this
The used heat from electronic component 50 is received, phase change can be produced after enough heat energy is absorbed after heat transfer medium 8 and is changed from liquid
Into gaseous state, evaporator 10 can be flowed out in gaseous heat transfer medium 8, thereby to assist heat energy transfer.Wherein, loop-type of the present invention
The loop of heat pipe 1 has defined a vapor stream outgoing direction F1 and a liquid inflow direction F2, vapor stream outgoing direction F1 to pass
Thermal medium 8 leaves the direction flowing of evaporator 10.Contacted and the heat energy that sheds compared with low temperature part with other in gaseous heat transfer medium 8
Afterwards, i.e., can produce phase change and be converted into liquid from gaseous state, thereafter, the heat transfer medium 8 being in a liquid state along liquid inflow direction F2 and
Evaporator 10 is flowed into, so as to form a circulation loop.
Electronic component 50 can be directly contact installation settings on evaporator 10, or electronic component 50 is by a heat conduction
The indirect installation settings of part (not shown) all belongs to feasible setting on evaporator 10.Regardless of whether be direct contact installation settings or
It is indirect installation settings, the contact heat affected zone 10c of evaporator 10 is to include directly contacting with electronic component 50 or mediate contact
Region.In general, directly contact refers to, the contact heat affected zone 10c of evaporator 10 is located at an outer surface of the evaporator, and electricity
Subcomponent 50 is directly arranged at contact heat affected zone 10c, the heat from electronic component 50 directly can be imported through contacting heat affected zone 10c
To evaporator 10, therefore contact heat affected zone 10c and belong to the temperature highest region of evaporator 10.Refer to as mediate contact, electronics member
Part 50 is again through object made of a high heat conductive material as heat catalysis, and object made of the high heat conductive material
Contact is arranged at contact heat affected zone 10c, makes the heat from electronic component 50 can be indirectly through thing made of the high heat conductive material
Part reaches contact heat affected zone 10c and is directed into evaporator 10.
Furthermore the inner tube 112 of body 11 extends from the second open end 111b, and in evaporator 10.Specifically,
It is a free end that inner tube 112, which has a distal opening 112a and a front opening 112b, distal opening 112a, front opening
112b extends from the second open end 111b, and therefore, inner tube 112 is in fluid communication with outer tube 111.In the present embodiment, electronics member
Part 50 is arranged on the contact heat affected zone 10c of evaporator 10, and electronic component 50 is stacked at the contact of evaporator 10 and is heated completely
On area 10c.If to contact heat affected zone 10c towards the direction perpendicular projection in evaporator 10, a view field P is defined, and this
The distal opening 112a of the inner tube 112 of invention is located at view field P.Thereby set, flow and be situated between in the heat transfer in loop hot-pipe 1
For matter 8 when flowing into evaporator 10, position of the heat transfer medium 8 out of inner tube 112 inflow evaporator 10 is the temperature of evaporator 10
In place of highest, heat energy is taken away rapidly so that heat transfer medium 8 performs heat exchange in place of temperature highest in evaporator 10.Such one
Come, the used heat of electronic component 50 is efficiently held rapidly after evaporator 10 is reached, then by loop hot-pipe 1 to evaporator 10
Row cooling, and outwards transmit loss by hot.
In this specifically, view field P can be considered a contact heat affected zone 10c overlay area.If further
View field P is defined, then view field P is normal directions of the contact heat affected zone 10c along its plane of evaporator 10 towards steaming
Projected in hair device 10 to define view field P.In first embodiment of the invention, the distal opening of inner tube 112 of the invention
112a is located at view field P, that is, positioned at the underface of electronic component 50.
In addition, formed with multiple capillary structure (not shown) on an inner side tube wall of body 11, so that heat transfer medium 8
By those capillary structures flow efficiency can be improved in response to the principle of capillarity.Furthermore body 11 is more connected with a condensation
Device 15, condenser 15 are connected in outer tube 111, to perform the effect of cooling.
Referring again to Fig. 4, Fig. 4 is the section signal of the second embodiment for the electronic installation that the present invention has loop hot-pipe
Figure.The loop hot-pipe 2 of second embodiment is substantially similar to the loop hot-pipe 1 of first embodiment, it include evaporator 20 with
And a body 21, and body 21 has and extended into the inner tube 212 of evaporator 20.And the loop hot-pipe 2 of second embodiment
It is different from the part of loop hot-pipe 1 of first embodiment, the caliber of inner tube 212 is by front opening 212b towards distal opening 212a
Direction is tapered, increases the speed of heat transfer medium flows with thereby planform, and then improve radiating efficiency.It is real in the present invention second
Apply in example, the distal opening 212a of inner tube 212 of the invention is located at view field P, that is, positioned at electronic component 50 just under
Side.
Referring again to Fig. 5, Fig. 5 is the section signal of the 3rd embodiment for the electronic installation that the present invention has loop hot-pipe
Figure.The loop hot-pipe 3 of 3rd embodiment is substantially similar to the loop hot-pipe 1 of first embodiment, it include evaporator 30 with
And a body 31, and body 31 has and extended into the inner tube 312 of evaporator 30.And the loop hot-pipe 3 of 3rd embodiment
It is different from the part of loop hot-pipe 1 of first embodiment, evaporator 30 includes a contact heat affected zone 30c, contacts heat affected zone 30c
A capillary structure face 30d is further included, capillary structure face 30d is formed at an inner surface of evaporator 30.In 3rd embodiment, this
The distal opening 312a of the inner tube 312 of invention is located at capillary structure view field W, that is, be not located at electronic component 50 just under
Side.In the present embodiment, capillary structure view field W is still located at contact heat affected zone 30c and projected in the view field P of formation.
In summary, the body of loop hot-pipe of the present invention is extended into evaporator, and heated located immediately at contact
Under area, heat transfer medium is directly contacted highest temperature area when entering evaporator, and good heat radiating effect can be reached
Benefit.
Above-described embodiment is merely illustrative the principle and its effect of the present invention, and the technical side of the explaination present invention
Case, not for the protection category of the limitation present invention.Any those of ordinary skill in the art can be without prejudice to the present invention's
In the case of technical principle and spirit, unlabored change or the arrangement of isotropism belong to the scope that the present invention is advocated.
Therefore, the scope of the present invention should be as listed by its right.
Claims (10)
1. a kind of loop hot-pipe, being configured in an electronic installation, to the electronic element radiating to the electronic installation, it is special
Sign is that the loop hot-pipe includes：
Evaporator, including a gas flow outlet, a liquid inflow port and a contact heat affected zone, the contact heat affected zone is located at the steaming
Send out an outer surface of device, and the contact heat affected zone of the evaporator is with the electronic component contacting, fit with by the electronic component
Used heat reach the evaporator；And
Body, a loop is collectively forming with the evaporator, the body includes an outer tube and an inner tube, and the outer tube has the
One open end and the second open end, first open end are connected to the gas flow outlet, and second open end connects
The liquid inflow port is connected to, the inner tube extends from second open end, and is in fluid communication with second open end, and this is interior
Pipe is in the evaporator；
Wherein, a view field has vertically been defined in the contact heat affected zone towards projecting in the evaporator, and an end of the inner tube
Opening is located at the view field.
2. loop hot-pipe as claimed in claim 1, it is characterised in that the contact heat affected zone of the evaporator has a normal
Direction, the contact heat affected zone project along the normal direction and define the view field.
3. loop hot-pipe as claimed in claim 1, it is characterised in that there is the inner tube front opening and the end to open
Mouthful, the front opening is connected to second open end, and the distal opening is a free end, wherein, the caliber of the inner tube is by this
Front opening is tapered towards the distal opening direction.
4. loop hot-pipe as claimed in claim 1, it is characterised in that the loop hot-pipe also includes condenser, the condensation
Device is connected in the outer tube.
5. loop hot-pipe as claimed in claim 1, it is characterised in that the contact heat affected zone also includes a capillary structure face,
A capillary structure view field has vertically been defined in the capillary structure face towards projecting in the evaporator, and the end of the inner tube is opened
Mouth is located at the capillary structure view field.
A kind of 6. electronic installation with loop hot-pipe, it is characterised in that including：
Electronic component；
Evaporator, including a gas flow outlet and a liquid inflow port, the electronic component are contacted with an appearance of the evaporator
Face, fit so that the used heat of the electronic component is reached into the evaporator；And
Body, a loop is collectively forming with the evaporator, the body includes an outer tube and an inner tube, and the outer tube has the
One open end and the second open end, first open end are connected to the gas flow outlet, and second open end connects
The liquid inflow port is connected to, the inner tube extends from second open end, and is in fluid communication with second open end, and this is interior
Pipe is in the evaporator；
Wherein, the electronic component and the evaporator contact with each other and define a contact heat affected zone, and the contact heat affected zone is towards the steaming
A view field is projected out in hair device, and a distal opening of the inner tube is fallen within the view field.
7. as claimed in claim 6 have loop hot-pipe electronic installation, it is characterised in that the contact of the evaporator by
Hot-zone has a normal direction, and the contact heat affected zone projects along the normal direction and defines and to form the view field.
8. there is the electronic installation of loop hot-pipe as claimed in claim 6, it is characterised in that there is the inner tube front end to open
Mouth and the distal opening, the front opening are connected to second open end, and the distal opening is a free end, wherein, should
The caliber of inner tube is tapered towards the distal opening direction by the front opening.
9. there is the electronic installation of loop hot-pipe as claimed in claim 6, it is characterised in that the electronic installation also includes cold
Condenser, the condenser are connected in the outer tube.
10. there is the electronic installation of loop hot-pipe as claimed in claim 6, it is characterised in that also wrap the contact heat affected zone
A capillary structure face is included, a capillary structure view field has vertically been defined in the capillary structure face towards projecting in the evaporator, and
The distal opening of the inner tube is located at the capillary structure view field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610614591.0A CN107664455A (en) | 2016-07-29 | 2016-07-29 | Loop hot-pipe and the electronic installation with loop hot-pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610614591.0A CN107664455A (en) | 2016-07-29 | 2016-07-29 | Loop hot-pipe and the electronic installation with loop hot-pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107664455A true CN107664455A (en) | 2018-02-06 |
Family
ID=61115541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610614591.0A Pending CN107664455A (en) | 2016-07-29 | 2016-07-29 | Loop hot-pipe and the electronic installation with loop hot-pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107664455A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4230173A (en) * | 1978-09-05 | 1980-10-28 | Thermacore, Inc. | Closely coupled two phase heat exchanger |
| CN2681069Y (en) * | 2004-01-09 | 2005-02-23 | 银海企业有限公司 | Heat exchange circulating device |
| CN102425968A (en) * | 2012-01-04 | 2012-04-25 | 中国电子科技集团公司第三十八研究所 | Compact type loop heat pipe device |
| CN102760709A (en) * | 2011-04-29 | 2012-10-31 | 北京奇宏科技研发中心有限公司 | Loop heat pipe structure |
| CN206131832U (en) * | 2016-07-29 | 2017-04-26 | 双鸿科技股份有限公司 | Return circuit formula heat pipe and have electron device of return circuit formula heat pipe |
-
2016
- 2016-07-29 CN CN201610614591.0A patent/CN107664455A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4230173A (en) * | 1978-09-05 | 1980-10-28 | Thermacore, Inc. | Closely coupled two phase heat exchanger |
| CN2681069Y (en) * | 2004-01-09 | 2005-02-23 | 银海企业有限公司 | Heat exchange circulating device |
| CN102760709A (en) * | 2011-04-29 | 2012-10-31 | 北京奇宏科技研发中心有限公司 | Loop heat pipe structure |
| CN102425968A (en) * | 2012-01-04 | 2012-04-25 | 中国电子科技集团公司第三十八研究所 | Compact type loop heat pipe device |
| CN206131832U (en) * | 2016-07-29 | 2017-04-26 | 双鸿科技股份有限公司 | Return circuit formula heat pipe and have electron device of return circuit formula heat pipe |
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Application publication date: 20180206 |
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