CN211601673U - Phase change radiator - Google Patents
Phase change radiator Download PDFInfo
- Publication number
- CN211601673U CN211601673U CN202020026218.5U CN202020026218U CN211601673U CN 211601673 U CN211601673 U CN 211601673U CN 202020026218 U CN202020026218 U CN 202020026218U CN 211601673 U CN211601673 U CN 211601673U
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- area
- heat
- heat absorption
- phase change
- heat dissipation
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- 230000008859 change Effects 0.000 title claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 claims abstract description 41
- 230000017525 heat dissipation Effects 0.000 claims abstract description 39
- 239000012530 fluid Substances 0.000 claims abstract description 17
- 239000011159 matrix material Substances 0.000 claims description 4
- 238000005098 hot rolling Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000012071 phase Substances 0.000 description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000012808 vapor phase Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical compound FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition 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
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The utility model discloses a phase change radiator, which comprises a plate-type structure body; one end of the body along the length direction is a heat absorption area, and the other end of the body is a heat dissipation area; a convex part extending from the heat absorption area to the heat dissipation area is formed on one side surface of the body, a fluid channel communicating the heat absorption area and the heat dissipation area is arranged in the convex part, and a phase change working medium is filled in the fluid channel; one side of the heat absorption area of the body extends outwards along the width direction to form an extension part, and the extension part enables the width of the heat absorption area to be larger than that of the heat dissipation area. The utility model discloses phase change radiator adopts plate structure reduce the cost, optimized technology, has improved the reliability, is equipped with the convex part, laminates more with heating element, and the heat absorption effect is better.
Description
Technical Field
The utility model relates to an air conditioner accessory field especially relates to a phase change radiator.
Background
With the rapid development of miniaturization, integration and high efficiency of power electronic equipment and devices, the performance and heat dissipation capacity of the devices are continuously increased, and the traditional heat dissipation technology cannot meet the increasing power heat dissipation requirements due to the fact that local heat flow density is too high and local temperature is too high due to uneven heat flow distribution, heat dissipation is not timely and heat dissipation efficiency is low.
The phase change radiator is an integrated plate structure with a hollow cavity, and phase change working media are filled in the cavity and are in a negative pressure state. When heat flow is conducted to an evaporation zone of the phase-change radiator from a heat source, the phase-change working medium in the cavity starts to generate a liquid phase vaporization phenomenon at a specific temperature under a vacuum condition, at the moment, the phase-change working medium can absorb heat energy and quickly vaporize, vapor of a vapor phase can fill the whole cavity under the condition, and the vapor phase moves to a condensation section to be cooled and liquefied and then flows back to the evaporation section under the action of gravity or capillary force to form gas-liquid circulation.
For the frequency conversion air conditioner, a controller of the frequency conversion air conditioner is widely applied to power modules such as an IGBT (insulated gate bipolar transistor) and the like, and the heat productivity is large. The existing variable frequency controller is usually installed inside the outdoor unit and below the top plate of the casing, and an aluminum profile with fins is used as a radiator. One side of the aluminum profile is a plane and is pasted with heating elements such as power devices or heat conducting plates; the other side is provided with fins to improve the heat dissipation capability. The aluminum profile is arranged in an outdoor unit air duct cavity in front of the heat exchanger as much as possible to realize ventilation. However, due to the limitation of the installation positions of the controller and the radiator, the ventilation and heat dissipation conditions are poor, heat accumulation is caused due to insufficient heat dissipation capacity along with the increase of the heat productivity of the chip and the power module, the temperature rise of the device exceeds the design requirement, and the service life and the reliability of the controller are seriously influenced. Therefore, the improvement of the heat dissipation structure of the heat radiator and the enhancement of the heat dissipation performance are important problems for prolonging the service life and improving the reliability of the variable frequency air conditioner.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a phase change radiator, the heat absorption effect is better, and the cost is controllable, strengthens heat dispersion, and the radiating effect is better, improves inverter air conditioner life-span and reliability.
Realize the utility model discloses the technical scheme of purpose is:
a phase change radiator comprises a plate-type structure body; one end of the body along the length direction is a heat absorption area, and the other end of the body is a heat dissipation area; a convex part extending from the heat absorption area to the heat dissipation area is formed on one side surface of the body, a fluid channel communicating the heat absorption area and the heat dissipation area is arranged in the convex part, and a phase change working medium is filled in the fluid channel; one side of the heat absorption area of the body extends outwards along the width direction to form an extension part, and the extension part enables the width of the heat absorption area to be larger than that of the heat dissipation area.
Furthermore, the body is formed by hot rolling two plates, and the edge of the heat dissipation section of the body is provided with a blow-up hole communicated with the fluid channel.
Furthermore, a plurality of circular pits are arranged in the area of the convex part of the heat dissipation area of the body.
Further, the plurality of circular pits are uniformly distributed in a matrix form.
Furthermore, the convex part between the heat absorption area and the heat dissipation area of the body is in a plurality of parallel strips.
Furthermore, the convex part of the heat absorption area of the body forms a plurality of heat absorption platforms.
By adopting the technical scheme, the utility model discloses following beneficial effect has:
(1) the utility model discloses phase change radiator is plate structure, and inside is equipped with fluid passage, is equipped with phase transition working medium in the fluid passage, and the integral type structure reduce the cost, optimized the technology, improved the reliability.
(2) The utility model discloses the convex part in radiating area is equipped with a plurality of circular pits that are matrix evenly distributed, and increase heat radiating area improves the radiating effect.
(3) The utility model discloses the convex part forms a plurality of heat absorption platforms in the heat absorption district, can laminate more with heating element, and the heat absorption effect is better.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural diagram of the present invention.
The reference numbers in the drawings are: the body 1, the inflation hole 11, the convex part 2, the pit 21 and the heat absorption platform 22.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
The phase change radiator of the embodiment is of an integrated plate type structure, the fluid channel is arranged inside the phase change radiator, the phase change working medium is arranged in the fluid channel, and the integrated structure reduces the cost, optimizes the process and improves the reliability.
Referring to fig. 1, the phase change heat sink of the present embodiment includes a body 1, a protrusion 2, and a phase change working medium.
Body 1 is L type structure, adopts plate-type structure, including the first plate body and the second plate body of laminating each other, the material of first plate body and second plate body can be aluminium or aluminum alloy material, and the heat conductivity is good, light in weight. Coating a rolling inhibitor on the upper surface of the first plate body according to the designed shape of the fluid channel, attaching the two plate bodies, and then carrying out hot rolling to form an integrated plate type structure body 1, wherein the left end edge of the body 1 is provided with a blowing hole 11.
Because the area coated with the rolling inhibitor in advance is not rolled, high-pressure gas is adopted to enter from the blowing hole 11, the area printed with the rolling inhibitor is blown to form a convex part 2 with a fluid channel inside, phase change working medium is charged to form a heat absorption area and a heat dissipation area, and then the plate type structure is welded and sealed. The phase change working media include, but are not limited to, water, ethanol, R134a, R245fa and R33zd, and the heat dissipation area and the heat absorption area are pipeline surfaces with fluid channels on the surfaces. The heat dissipation area is located on the left side of the body, the heat absorption area is located on the right side of the body, and the fluid channel is communicated with the heat absorption area and the heat dissipation area. One side of the heat absorption area of the body 1 extends outwards along the width direction to form an extension part, and the extension part enables the width of the heat absorption area to be larger than that of the heat dissipation area. The variable frequency air conditioner adopts the inflation process, is controllable in cost, better in heat dissipation effect, and capable of enhancing the heat dissipation performance and prolonging the service life and reliability of the variable frequency air conditioner.
The convex part 2 is arranged on the upper end surface of the body 1 and extends to the heat dissipation area from the heat absorption area, and the convex part 2 of the heat dissipation area is provided with a plurality of circular pits 21 which are uniformly distributed in a matrix manner, so that the heat dissipation area is increased, and the heat dissipation effect is improved. The convex part in the heat absorption district forms a plurality of heat absorption platforms 22, and the pipeline face of heat absorption platform 22 is distinguished by the heat absorption and is extended to the radiating area direction to link to each other with the radiating area has fluid channel's pipeline face, and convex part 2 between heat absorption district and the radiating area is a plurality of parallel distribution's bar, and heat absorption platform 22 surface is the plane, can laminate more with heating element, and the heat absorption effect is better.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. A phase change heat sink, its characterized in that: a body (1) comprising a panel construction; one end of the body (1) along the length direction is a heat absorption area, and the other end of the body is a heat dissipation area; a convex part (2) extending from the heat absorption area to the heat dissipation area is formed on one side surface of the body (1), a fluid channel communicating the heat absorption area and the heat dissipation area is arranged in the convex part (2), and a phase change working medium is filled in the fluid channel; one side of the heat absorption area of the body (1) extends outwards along the width direction to form an extension part, and the extension part enables the width of the heat absorption area to be larger than that of the heat dissipation area.
2. A phase change heat sink as claimed in claim 1, wherein: the body (1) is formed by hot rolling two plates, and the edge of the heat dissipation section of the body (1) is provided with a blow-up hole (11) communicated with the fluid channel.
3. A phase change heat sink as claimed in claim 1, wherein: a plurality of circular concave pits (21) are arranged in the area of the convex part (2) of the heat dissipation area of the body (1).
4. A phase change heat sink as claimed in claim 3, wherein: the circular pits (21) are uniformly distributed in a matrix form.
5. A phase change heat sink as claimed in claim 1, wherein: convex parts (2) between the heat absorption area and the heat dissipation area of the body (1) are in a plurality of parallel strips.
6. A phase change heat sink as claimed in claim 1, wherein: the convex part (2) of the heat absorption area of the body (1) forms a plurality of heat absorption platforms (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020026218.5U CN211601673U (en) | 2020-01-07 | 2020-01-07 | Phase change radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020026218.5U CN211601673U (en) | 2020-01-07 | 2020-01-07 | Phase change radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211601673U true CN211601673U (en) | 2020-09-29 |
Family
ID=72600736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020026218.5U Active CN211601673U (en) | 2020-01-07 | 2020-01-07 | Phase change radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211601673U (en) |
-
2020
- 2020-01-07 CN CN202020026218.5U patent/CN211601673U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 213176 No.20, Jiandong Road, Lijia Town, Wujin District, Changzhou City, Jiangsu Province Patentee after: Changzhou Hengchuang Thermal Management System Co.,Ltd. Country or region after: China Address before: 213176 No.20, Jiandong Road, Lijia Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU HENGCHUANG HEAT MANAGEMENT Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |