CN107438347A - A kind of heat abstractor - Google Patents
A kind of heat abstractor Download PDFInfo
- Publication number
- CN107438347A CN107438347A CN201610353495.5A CN201610353495A CN107438347A CN 107438347 A CN107438347 A CN 107438347A CN 201610353495 A CN201610353495 A CN 201610353495A CN 107438347 A CN107438347 A CN 107438347A
- Authority
- CN
- China
- Prior art keywords
- heat
- aluminium base
- power model
- fin
- heat pipe
- 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.)
- Granted
Links
- 239000004411 aluminium Substances 0.000 claims abstract description 29
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 29
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000009826 distribution Methods 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 3
- 239000013028 medium composition Substances 0.000 claims 1
- 239000000758 substrate Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/209—Heat transfer by conduction from internal heat source to heat radiating 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
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20936—Liquid coolant with phase change
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The present invention provides a kind of heat abstractor, including the fin plate for being provided with the aluminium base of power model, being processed as one with aluminium base, and arranged distribution has fin on fin plate, a series of heat pipe unit of being arranged on fin plate end face.Characterized in that, the heat pipe unit by straight blind hole, welding plug and be located at it is described closing cylindrical space in working media form.Power model provided by the invention, because heat abstractor uses heat pipe, when device temperature is close to or up the upper limit, heat pipe is started working, and radiating efficiency significantly improves, it is ensured that the normal use of device, relatively existing power model radiating efficiency are high.
Description
Technical field
The invention belongs to heat abstractor, is related to the heat dissipating method that power model metal heat-conducting adds heat pipe for thermal conductivity, more particularly to a kind of
Heat abstractor.
Background technology
During UPS (uninterrupted power source) power model work, amount of heat is produced, in order to ensure the normal work of power device,
Timely and effectively heat energy must be dissipated.If can not rapidly radiate in time, the temperature for causing device is raised, gently then caused
Efficiency reduces, reduction of service life, failure or bombing heavy then that cause device.Therefore, heat dissipation problem annoyings UPS's always
Producer and user.High efficiency and heat radiation technology is always one of focus of electronic applications research and development.
At present, the radiating mode that UPS power model uses is the heat convection of metal heat-conducting and blower fan.Usually, power mould
Block is fixed on the metal with thermal conductive resin (such as aluminium) substrate, and heat conductive silica gel heat conduction is used between power model and metal,
Fin is arranged on substrate, and is integrally machined and forms with substrate.Fin, will using blower fan in the passage of a closing
Extraneous air introduces or is blown into the passage, takes away the heat on fin.So as to by power model work caused by heat, and
When effectively pass.
However, for powerful power model, the heat flow density of single power device is big, due to the restriction of manufacturing cost, base
The Thermal Conductivity by Using raising that plate uses is limited, and above-mentioned radiating mode can not solve heat dissipation problem during power model normal work.
Further, since cooling fan transient fault, also results in power model exception or damage.Secondly, using caused by cooling fan
Noise has a strong impact on building environment, and is frequently resulted in because the fan delivery used is larger inside UPS and have a large amount of dust accretions.
Therefore, solves this heat dissipation problem in particular cases, it may have highly important realistic meaning.
The content of the invention
In view of the above the shortcomings that prior art, it is an object of the invention to provide a kind of heat abstractor, to improve existing skill
The radiating effect of art.
In order to achieve the above objects and other related objects, the present invention provides a kind of heat abstractor, including is provided with the aluminium of power model
Substrate, the fin plate being processed as one with aluminium base, arranged distribution has fin on fin plate, is arranged on fin plate end face a series of
Heat pipe unit.Characterized in that, the heat pipe unit is by straight blind hole, welding plug and is located in the closing cylindrical space
Working media is formed.
In one embodiment of the invention, angle is 30 °~120 ° between aluminium base and fin plate.
In one embodiment of the invention, the internal diameter of the straight blind hole is more than 5 millimeters, and depth is more than 100 millimeters.
In one embodiment of the invention, the power model is closely mounted on aluminium base, and installed in the lower section of aluminium base.
In one embodiment of the invention, the blind via bottom is between aluminium base top and bottom.
As described above, heat abstractor of the present invention, has the advantages that：
Power model provided by the invention, because heat abstractor uses heat pipe, when device temperature is close to or up the upper limit, heat pipe
Start working, radiating efficiency significantly improves, it is ensured that the normal use of device, relatively existing power model radiating efficiency are high.Make
With heat sinking pattern, in the case of gravity-flow ventilation, UPS module temperature can be controlled below 60 DEG C, equipment normal work.
Radiating mode before relative, the UPS temperature in ten minutes that works steeply rises under condition of natural ventilation, is risen to from room temperature
85 DEG C or so, UPS temperature protections equipment can not normal work.
Brief description of the drawings
Fig. 1 is the technology entities construction for heat radiating device schematic diagram of prior art.
Fig. 2 is the cut-away section structural representation of the heat abstractor described in one embodiment of the invention.
Fig. 3 is the end view of structure shown in Fig. 2.
Component label instructions
1 power model
2 substrates
3 fins
4 fin plates
5 blind holes
6 plugs
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be as disclosed by this specification
Content understand easily the present invention other advantages and effect.The present invention can also add by way of a different and different embodiment
To implement or apply, the various details in this specification can also be based on different viewpoints and application, in the essence without departing from the present invention
God is lower to carry out various modifications or alterations.It should be noted that in the case where not conflicting, the feature in following examples and embodiment
It can be mutually combined.
It should be noted that the diagram provided in following examples only illustrates the basic conception of the present invention in a schematic way, scheme then
Component count, shape and size drafting when the component relevant with the present invention is only shown in formula rather than being implemented according to reality, in fact
Kenel, quantity and the ratio of each component can be a kind of random change when border is implemented, and its assembly layout kenel may also be answered more
It is miscellaneous.
It is right below in conjunction with the accompanying drawing in the embodiment of the present invention to make the object, technical solutions and advantages of the present invention clearer
Technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of the invention
Embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making wound
The every other embodiment obtained under the premise of the property made work, belongs to the scope of protection of the invention.
The present invention provides a kind of heat abstractor, including the fin plate processed together of aluminium base and aluminium base and is arranged in fin
Radiating fin on plate, power model are closely mounted on aluminium base, and arranged distribution a series of straight blind holes in fin plate, blind
Hole bottom position reaches aluminium base, and blind hole open top end plug welded seal, blind hole is interior to add working media, forms heat pipe.
Heat abstractor provided by the invention, when power model device works, heat reaches aluminium base, and passes through aluminium base, edge
Fin plate, by the fin being directly connected to, the air transferred heat in environment.When temperature reaches or during close to the upper limit, heat
Working media in pipe can just gasify in the temperature upper limit of setting, and the heat for absorption of gasifying is the latent heat of vaporization of the working media,
Gas after gasification rises in heat pipe flows through fin plate, heat exchange occurs with extraneous by fin, when temperature is down to below boiling point
When, working media is condensed into liquid, then is back to heat pipe bottom, so constantly circulates and takes away heat, until device temperature
Degree is stable in claimed range.
Only heater element is radiated by fin shown in Fig. 1 compared with the prior art, effect is more preferable.
The embodiment of the present invention provides a kind of heat abstractor, and it is a kind of adaptive heat abstractor of power model of fin composite heat pipe,
As shown in Figures 2 and 3, power model 1 is closely mounted on aluminium base 2, and aluminium base 2 is processed as one with fin plate 4,
Included angle A is 30 °~120 ° between aluminium base 2 and fin plate 4, and arranged distribution has fin 3 on fin plate 4.In fin plate
4 upper end, a series of straight blind holes 5 are placed with, internal diameter is 6 millimeters~10 millimeters, and depth is straight blind more than 150 millimeters
± 2mm of the bottom position of hole 5 on aluminium base 2, the straight openend of blind hole 5 welded seal of plug 6, form a sealing
Cylindrical space, the inside encapsulation working media can be water or acetone or liquefied ammonia or ethanol or R134a refrigerants.
In the present embodiment, working media uses R22, and liquid filled ratio is 30%~60%.By above-mentioned cylindrical space and internal work
Medium just forms a heat pipe, i.e., a series of heat pipe unit is distributed with fin plate.
Heat pipe is a kind of by being filled with working media in the shell of closing and carrying out heat exchange using the decalescence of medium and heat release
High efficient heat exchanging element, in the case of the minimum temperature difference, can by the heat transfer of one end (side) to the other end (side), heat
Resistance is well below metal material.Used in the present embodiment is gravity assisted heat pipe, and therefore, power model 1 is arranged in aluminium base
2 lower section.
In embodiments of the present invention, add heat conductive silica gel between power model 1 and aluminium base or indium is thin, and passed heat by it
Aluminium base 2 is passed, then fin plate 4 is passed to by aluminium base 2, material is thus formed the distribution that temperature is gradually successively decreased, fin plate 4
The fin of upper distribution is equally the distribution that temperature is gradually successively decreased.Because the heat transfer efficiency for the heat pipe unit being arranged in fin plate is high,
So that lapse of temperature amplitude is smaller, i.e., the temperature difference of whole radiating fin 5 tends to " consistent ", if it is existing with it is cross-ventilated
Under radiating condition, radiating fin area is sufficiently large, it is possible to timely dissipates heat caused by power model 1, by its temperature
Degree control is in required scope.
Power model provided by the invention, because heat abstractor uses heat pipe, when device temperature is close to or up the upper limit, heat pipe
Start working, radiating efficiency significantly improves, it is ensured that the normal use of device, relatively existing power model radiating efficiency are high.Make
With heat sinking pattern, in the case of gravity-flow ventilation, UPS module temperature can be controlled below 60 DEG C, equipment normal work.
Radiating mode before relative, the UPS temperature in ten minutes that works steeply rises under condition of natural ventilation, is risen to from room temperature
85 DEG C or so, UPS temperature protections equipment can not normal work.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although reference
The present invention is described in detail previous embodiment, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these are repaiied
Change or replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any to be familiar with this skill
The personage of art all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Therefore, such as
Those of ordinary skill in the art without departing from disclosed spirit with completed under technological thought all etc.
Modifications and changes are imitated, should be covered by the claim of the present invention.
Claims (5)
1. a kind of heat abstractor, including the fin plate for being provided with the aluminium base of power model, being processed as one with aluminium base, fin plate
Upper arranged distribution has fin, a series of heat pipe unit of being arranged on fin plate end face.Characterized in that, the heat pipe unit by
Straight blind hole, welding plug and the working media composition being located in the closing cylindrical space.
2. heat abstractor according to claim 1, it is characterised in that：Angle is 30 °~120 ° between aluminium base and fin plate.
3. heat abstractor according to claim 1, it is characterised in that：The internal diameter of the straight blind hole is more than 5 millimeters, and depth is big
In 100 millimeters.
4. heat abstractor according to claim 1, it is characterised in that：The power model is closely mounted on aluminium base, and
Installed in the lower section of aluminium base.
5. heat abstractor according to claim 1, it is characterised in that：The blind via bottom is between aluminium base top and bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610353495.5A CN107438347B (en) | 2016-05-25 | 2016-05-25 | Heat dissipation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610353495.5A CN107438347B (en) | 2016-05-25 | 2016-05-25 | Heat dissipation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107438347A true CN107438347A (en) | 2017-12-05 |
| CN107438347B CN107438347B (en) | 2024-02-23 |
Family
ID=60452951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610353495.5A Active CN107438347B (en) | 2016-05-25 | 2016-05-25 | Heat dissipation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107438347B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501369A (en) * | 2019-07-20 | 2019-11-26 | 珠海市运泰利自动化设备有限公司 | A kind of Heat Conduction Material fixed structure and its fixing means |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000332175A (en) * | 1999-05-18 | 2000-11-30 | Furukawa Electric Co Ltd:The | Heat sink with fin |
| CN101141871A (en) * | 2007-10-26 | 2008-03-12 | 北京工业大学 | Integration designed heat radiator with flat heat pipe spreader |
| CN101160034A (en) * | 2007-08-31 | 2008-04-09 | 王亚雄 | Hot pipe cooling radiator of high-power drive electronic device |
| CN202713879U (en) * | 2012-07-25 | 2013-01-30 | 上海中科深江电动车辆有限公司 | Cooling structure for high-power module of electric vehicle controller |
| CN203523220U (en) * | 2013-09-04 | 2014-04-02 | 中山佳一电子技术有限公司 | Hollow heat pipe radiator |
| CN104577825A (en) * | 2014-12-30 | 2015-04-29 | 上海天灵开关厂有限公司 | Heat dissipation device for switch device |
| CN204438055U (en) * | 2015-01-05 | 2015-07-01 | 华北电力大学（保定） | A kind of LED heat abstractor based on double-deck heat pipe structure |
-
2016
- 2016-05-25 CN CN201610353495.5A patent/CN107438347B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000332175A (en) * | 1999-05-18 | 2000-11-30 | Furukawa Electric Co Ltd:The | Heat sink with fin |
| CN101160034A (en) * | 2007-08-31 | 2008-04-09 | 王亚雄 | Hot pipe cooling radiator of high-power drive electronic device |
| CN101141871A (en) * | 2007-10-26 | 2008-03-12 | 北京工业大学 | Integration designed heat radiator with flat heat pipe spreader |
| CN202713879U (en) * | 2012-07-25 | 2013-01-30 | 上海中科深江电动车辆有限公司 | Cooling structure for high-power module of electric vehicle controller |
| CN203523220U (en) * | 2013-09-04 | 2014-04-02 | 中山佳一电子技术有限公司 | Hollow heat pipe radiator |
| CN104577825A (en) * | 2014-12-30 | 2015-04-29 | 上海天灵开关厂有限公司 | Heat dissipation device for switch device |
| CN204438055U (en) * | 2015-01-05 | 2015-07-01 | 华北电力大学（保定） | A kind of LED heat abstractor based on double-deck heat pipe structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501369A (en) * | 2019-07-20 | 2019-11-26 | 珠海市运泰利自动化设备有限公司 | A kind of Heat Conduction Material fixed structure and its fixing means |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107438347B (en) | 2024-02-23 |
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