CN212252916U - Radiator and air condensing units - Google Patents

Abstract

The application relates to the technical field of heat dissipation, discloses a radiator, including the inflation samming board heat abstractor, the inflation samming board heat abstractor includes: a low-order plate section in which a first pipeline is provided; a high-level plate portion in which a second pipeline is provided; and the communicating plate is connected with the low-order plate part and the high-order plate part, wherein the first pipeline, the gas pipeline, the second pipeline, the liquid pipeline and the first pipeline are sequentially communicated to form a closed heat transfer loop, the loop is vacuumized and filled with a heat transfer medium, and the heat transfer medium can realize unidirectional circulation phase change heat transfer in the closed heat transfer loop. The radiator provided by the embodiment of the disclosure not only can utilize the heat dissipation of the low-order plate part, but also can utilize the heat dissipation of the high-order plate part, thereby solving the bottleneck that the heat dissipation power density of the electronic component to be dissipated is high and the heat dissipation power is high, and improving the heat dissipation capability of the electronic component to be dissipated. The application also discloses an air conditioner outdoor unit.

Description

Radiator and air condensing units

Technical Field

The present application relates to the field of heat dissipation technologies, and for example, to a heat sink and an outdoor unit of an air conditioner.

Background

The frequency conversion chip is an important component in the frequency conversion air conditioner, and the higher the frequency of the compressor is, the more the frequency conversion module generates heat. Secondly, the chip design is more compact, the density of the components is continuously increased, and the volume of the components tends to be miniaturized. Therefore, the reliability of the air conditioner is seriously affected by the heat dissipation problem of the frequency conversion module.

At present, an extruded section radiator is generally adopted for radiating the frequency conversion module of the air conditioner external unit.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art: the heat dissipation capacity of the existing extruded section radiator on a frequency conversion chip is insufficient under the high-temperature refrigeration working condition, so that the air conditioner is greatly reduced in frequency or crashed, the environment refrigeration effect in a high-temperature day is poor, and the capacity is insufficient.

SUMMERY OF THE UTILITY MODEL

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a radiator and an air conditioner outdoor unit, so as to solve the problem of low heat dissipation efficiency of an extruded profile radiator.

In some embodiments, the heat sink comprises an inflated plate isothermal heat sink comprising: a low-order plate section in which a first pipeline is provided; a high-level plate portion in which a second pipeline is provided; and the communicating plate is connected with the low-order plate part and the high-order plate part, and is internally provided with a gas pipeline and a liquid pipeline which are communicated with the first pipeline and the second pipeline, wherein the first pipeline, the gas pipeline, the second pipeline, the liquid pipeline and the first pipeline are sequentially communicated to form a closed heat transfer loop, the heat transfer loop needs to be vacuumized and filled with a heat transfer medium, and the heat transfer medium can realize unidirectional circulation phase change heat transfer in the closed heat transfer loop.

In some embodiments, the outdoor unit of the air conditioner includes the radiator as described above.

The radiator and the air conditioner outdoor unit provided by the embodiment of the disclosure can realize the following technical effects:

the radiator that this disclosed embodiment provided includes the samming heat abstractor of inflation board, and wherein, the samming heat abstractor of inflation board is including the low order board portion, intercommunication board and the high order board portion that connect gradually, and inside is provided with first pipeline, gas pipeline, second pipeline, liquid pipeline and the first pipeline that communicates in proper order, constitutes closed heat transfer circuit, and closed heat transfer circuit is used for evacuation, fills heat transfer medium. The low-order plate part of the blowing plate temperature-equalizing heat dissipation device can be used as an evaporation end to receive heat of an element to be dissipated, a heat transfer medium of a low-order plate part pipeline of the evaporation end is heated and changed into a gaseous state, the gaseous state flows to the high-order plate part of the blowing plate temperature-equalizing heat dissipation device through a gas pipeline, and the high-order plate part can be used as a condensation end to condense and cool the gaseous heat transfer medium in a second pipeline and change the gaseous heat transfer medium into a liquid state. The heat transfer medium circulates in the pipeline in a single direction due to the pressure difference caused by the difference of the inner diameters of the gas pipeline and the liquid pipeline, and flows back to the pipeline of the low-order plate part through the liquid pipeline to perform the next round of heat dissipation circulation.

The radiator provided by the embodiment of the disclosure adopts the low-order plate part to receive the heat of the element to be radiated, and transmits the heat to the high-order plate part in an isothermal manner, so that the effective radiating area is increased, the radiating of the low-order plate part is utilized, the radiating of the high-order plate part is also utilized, the bottleneck that the radiating power density of the electronic component to be radiated is high and the radiating power is high is solved, and the radiating capacity of the electronic component to be radiated is improved.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

fig. 1 is a schematic structural diagram of a temperature equalizing and heat dissipating device for a blown sheet according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of another blowing plate temperature equalization heat dissipation device provided in the embodiment of the present disclosure;

FIG. 3 is a schematic diagram of a closed heat transfer circuit provided by an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a heat sink provided in an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a component to be cooled according to an embodiment of the present disclosure;

fig. 6 is a schematic partial structural view of an outdoor unit of an air conditioner according to an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of a blower bracket provided in an embodiment of the present disclosure.

Reference numerals:

1: a blowing plate temperature-equalizing heat dissipation device; 11: a low-order plate section; 12: a high-level plate portion; 121: a hollow-out section; 122: a heat transfer medium pouring port; 123: a gas pipe section; 124: a liquid pipe section; 13: a communication plate; 131: a first connection end; 132: a second connection end; 133: a gas line; 134: a liquid line; 2: an extruded heat dissipating element; 31: a chip to be radiated; 32: a circuit board; 33: a heat conducting plate; 4: an electronic control box; 5: a fan bracket; 51: a first support table; 52: clamping a platform; 53: a clamping part.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the disclosed embodiments and their examples and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In addition, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. Specific meanings of the above terms in the embodiments of the present disclosure can be understood by those of ordinary skill in the art according to specific situations.

The term "plurality" means two or more unless otherwise specified.

In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.

The embodiment of the present disclosure provides a heat sink, including the samming heat abstractor of inflation board, the samming heat abstractor of inflation board includes: a low-order plate section in which a first pipeline is provided; a high-level plate portion in which a second pipeline is provided; the communicating plate is connected with the low-order plate portion and the high-order plate portion, and a gas pipeline and a liquid pipeline which are communicated with the first pipeline and the second pipeline are arranged in the communicating plate, wherein the first pipeline, the gas pipeline, the second pipeline, the liquid pipeline and the first pipeline are sequentially communicated to form a closed heat transfer loop.

The radiator provided by the embodiment of the disclosure comprises an expansion plate temperature equalizing heat dissipation device 1, as shown in fig. 1, the expansion plate temperature equalizing heat dissipation device is step-shaped, and comprises a low-order plate portion 11, a high-order plate portion 12, and a communication plate 13 for communicating the low-order plate portion and the high-order plate portion, wherein a first pipeline of the low-order plate portion, a second pipeline of the high-order plate portion, and a gas pipeline and a liquid pipeline of the communication plate form a closed heat transfer loop, and a heat transfer medium is filled in the closed heat transfer loop for vacuum pumping.

The low-order plate portion 11 of the blow-up plate isothermal heat dissipation device 1 can be used as an evaporation end, and the high-order plate portion 12 can be used as a condensation end. When the blowing plate temperature equalizing heat dissipation device 1 provided by the embodiment of the disclosure is used for heat dissipation, the low-order plate portion 11 is in direct contact with a heat dissipation member, the heat dissipation member can be in contact heat transfer, the heat dissipation member transfers heat to the low-order plate portion 11, a heat transfer medium in a first pipeline of the low-order plate portion 11 is heated, the temperature is raised, vaporization is carried out, a gas pipeline of the communication plate 13 enters a second pipeline of the high-order plate portion 12, a gaseous heat transfer medium with higher temperature is condensed and cooled in the high-order plate portion and becomes liquid, and the liquid pipeline of the communication plate flows back to the first pipeline of the low-order plate portion to carry out next heat dissipation.

The radiator provided by the embodiment of the disclosure adopts the low-order plate part to receive the heat of the element to be radiated, and transmits the heat to the high-order plate part in an isothermal manner, so that the effective radiating area is increased, the radiating of the low-order plate part is utilized, the radiating of the high-order plate part is also utilized, the bottleneck that the radiating power density of the electronic component to be radiated is high and the radiating power is high is solved, and the radiating capacity of the electronic component to be radiated is improved. The blowing plate temperature equalizing and radiating device provided by the embodiment of the disclosure is step-shaped, and the circulating fluidity of a heat transfer medium in a closed heat transfer loop is improved.

Alternatively, the low-step plate portion 11, the high-step plate portion 12, and the communication plate 13 are integrally molded. The blowing plate temperature equalizing heat dissipation device provided by the embodiment of the disclosure is used for vacuumizing and filling heat transfer medium in a closed heat transfer loop, the integrally formed blowing plate temperature equalizing heat dissipation device has few welding points, the risk of heat transfer medium leakage is reduced, the cost of a radiator is reduced, and the reliability of the radiator is improved in the packaging, transportation and working processes of the radiator or an air conditioner.

Optionally, the closed heat transfer loop is evacuated and filled with a heat transfer medium.

Alternatively, the heat transfer medium may be a phase-changeable heat transfer medium, such as a heat transfer medium that can change phase between a gaseous state and a liquid state. The liquid working medium in the first pipeline is heated, becomes gaseous after the temperature rises, enters the second pipeline through the gas pipeline, and the gaseous working medium dissipates heat in the second pipeline, becomes liquid after the temperature drops, and flows back to the first pipeline through the liquid pipeline to perform the next heat dissipation cycle. The heat transfer medium can perform phase change between a gas state and a liquid state, and the gas working medium is favorable for increasing the pressure in the closed heat transfer loop and improving the circulating flow performance of the heat transfer medium in the heat transfer loop. Optionally, the heat transfer medium is a refrigerant.

Optionally, the communication plate includes a first connection end connected to the low-order plate portion, and a second connection end connected to the high-order plate portion, the first connection end and the second connection end being arc-shaped.

As shown in fig. 2, the first connection end 131 and the second connection end 132 are arc-shaped with a certain radian, which is beneficial to make the gaseous working medium in the first pipeline flow into the second pipeline through the gas pipeline in the communication plate, and to make the liquid working medium in the second pipeline flow back into the first pipeline through the liquid pipeline in the communication plate, so as to improve the circulation flow rate of the heat transfer medium in the closed heat transfer loop, and improve the heat dissipation effect of the uniform-temperature heat dissipation device for the inflation plate. Optionally, the communication plate is S-shaped, and optionally, the communication plate is S-shaped with a small curvature.

Optionally, the inner diameter of the gas line is larger than the inner diameter of the liquid line, or the number of branches of the gas line is larger than the number of branches of the liquid line, to constitute an internal line pressure difference. The heat transfer medium in the first pipeline is heated and then vaporized, so that the pressure difference in the closed heat transfer loop is increased, the gaseous heat transfer medium in the first pipeline preferentially selects the gas pipeline with the larger inner diameter to flow into the second pipeline, and the liquid heat transfer medium in the second pipeline is pushed to flow back to the first pipeline through the liquid pipeline, so that the unidirectional circulation of the heat transfer medium in the closed heat transfer loop is improved, and the unidirectional circulation of the heat transfer medium in the pipeline is effectively realized.

Optionally, the second pipeline of the high-order plate portion comprises a gas pipeline section directly communicated with the gas pipeline and a liquid pipeline section directly communicated with the liquid pipeline, wherein the inner diameter of the gas pipeline section is larger than that of the liquid pipeline section or the number of branches of the gas pipeline is larger than that of the branches of the liquid pipeline.

Optionally, in an actual application process, the closed heat transfer loop of the thermal equalization heat dissipation device for the inflation plate provided in the embodiment of the present disclosure is disposed on the back side, and in order to better show the heat transfer loop, fig. 3 is an inverted thermal equalization heat dissipation device for the inflation plate. As shown in fig. 3, the inner diameter of the gas pipe section 123 directly connected to the gas pipeline of the second pipe section is larger than the inner diameter of the liquid pipe section 124 directly connected to the liquid pipeline, so as to improve the one-way circulation fluidity of the heat transfer medium in the heat transfer loop and the heat dissipation efficiency of the blow-up plate temperature-equalizing heat dissipation device.

Optionally, the liquid line is provided with a plurality of liquid diversion lines.

As shown in fig. 3, the liquid line 134 is provided with 3 liquid branch lines. After the liquid working medium in the second pipeline flows through the liquid pipe section 124, the liquid working medium is shunted in the plurality of liquid shunt pipelines, and the directional heat dissipation effect of the chip to be dissipated is improved. The outdoor unit of the air conditioner is provided with a plurality of chips to be radiated, for example, there may be 4 chips to be radiated, as shown in fig. 5. The liquid shunting pipelines shunt the heat transfer medium with lower temperature and guide the low-temperature heat transfer medium to flow directionally, so that the low-temperature heat transfer medium can simultaneously dissipate the heat of the chips to be dissipated, and the heat dissipation efficiency and the directional heat dissipation effect of the chips to be dissipated are improved.

Optionally, the gas line is provided with a plurality of gas diversion lines.

As shown in fig. 3, the gas pipeline 133 is provided with 3 gas branch pipelines, the gaseous heat transfer medium in the first pipeline flows into the gas pipe section 123 through the plurality of gas branch pipelines, and primary confluence is performed in the gas pipe section 123, so that the pressure difference of the heat transfer medium in the closed heat transfer loop is increased, and the unidirectional circulation fluidity of the heat transfer medium in the heat transfer loop is increased.

Optionally, the heat sink provided by the embodiment of the present disclosure further includes an extruded heat dissipation element, wherein the extruded heat dissipation element is connected to a lower portion of the low-step plate portion to form an integral combination.

Fig. 4 is an exploded view of a thermal expansion plate 1 and an extruded heat dissipating element 2, wherein the extruded heat dissipating element 2 is connected to a lower portion of a lower plate portion 11 of the thermal expansion plate. The low-order plate portion contacts with the element to be radiated and receives heat of the element to be radiated, part of the heat is radiated through the extrusion type radiating element 2 arranged at the lower portion of the low-order plate portion, and the other part of the heat is taken away by the heat transfer medium and radiated through the high-order plate portion of the blow-up plate temperature equalizing radiating device. Therefore, the extrusion-type heat dissipation element 2 provided by the embodiment of the disclosure can dissipate heat received by the low-order plate portion together with the high-order plate portion 12 of the blow-up plate temperature-equalizing heat dissipation device, thereby improving the heat dissipation efficiency of the heat sink. Alternatively, the extruded heat dissipation member 2 may be a finned heat sink as shown in fig. 4. Alternatively, the low-order plate portion and the extrusion-type heat dissipating element are connected by a thermally conductive adhesive or welding. Optionally, the material of the extruded heat dissipation element is aluminum.

The embodiment of the disclosure also provides an air conditioner outdoor unit comprising the radiator.

Optionally, the outdoor unit of an air conditioner provided by the embodiment of the present disclosure further includes a chip to be cooled, where the chip to be cooled includes a first surface and a second surface that are opposite to each other; the circuit board is connected with the first surface of the chip to be radiated; and the heat conduction plate is connected with the second surface of the chip to be radiated, wherein the heat conduction plate is arranged on the upper part of the low-order plate part of the blowing plate.

As shown in fig. 5, the outdoor unit of an air conditioner provided by the embodiment of the present disclosure further includes a component to be cooled, where the component to be cooled includes a chip 31 to be cooled, a circuit board 32, and a heat conducting plate 33. In order to ensure the tightness of the surface attachment between the thermal equalizing heat dissipation device 1 of the inflation plate and the to-be-dissipated member, and the installation stability between the circuit board 32 and the electric control box, the to-be-dissipated assembly provided by the embodiment of the present disclosure further includes a heat conduction plate 33. The assembly to be cooled sequentially comprises a circuit board 32, a chip 31 to be cooled and a heat conducting plate 33, and forms a pre-assembly with a sandwich-like structure, and the mounting method of the assembly to be cooled comprises the following steps: one or more chips 31 to be heat-dissipated are soldered on the circuit board 32, and the circuit board to which the chips to be heat-dissipated are soldered is connected to the heat-conducting plate 33. The installation of the subassembly that waits to dispel the heat that this embodiment provided can be accomplished on chip welded assembly line, and this assembly line is high for the equipment assembly line of outdoor machine of air-conditioner, and precision requires, has improved heat-conducting plate 33 and has waited the laminating degree of heat dissipation chip 31, has improved heat-conducting effect of heat-conducting plate 33. Optionally, a heat conducting fin is arranged between the chip to be cooled and the heat conducting plate or silicone grease is coated on the chip to be cooled and the heat conducting plate, so that the efficiency of heat transfer between the chip to be cooled and the heat conducting plate is improved. Optionally, 4 chips to be dissipated are soldered on the circuit board 32, as shown in fig. 5, and fig. 5 is an exploded view of the component to be dissipated. Alternatively, the heat transfer plate 33 is made of aluminum.

Alternatively, the heat conducting plate 33 includes a heat receiving surface connected to the second surface of the chip to be heat-dissipated, and a heat conducting surface opposite to the heat receiving surface, wherein the heat receiving surface is stepped, as shown in fig. 5, and includes a low-order surface and a high-order surface, and the thickness of the high-order surface is greater than that of the low-order surface, and wherein the high-order surface of the heat receiving surface is connected to the second surface of the chip to be heat-dissipated, so that the effective depth of screw fixation between the high-order surface and the circuit board 32 is increased, and the connection stability of the component to be heat-dissipated is. Meanwhile, the area of the heat transfer surface of the heat conduction plate is increased by the arrangement of the low-order surface, and the heat transfer effect of the heat conduction plate is improved.

Alternatively, the low-order plate portion of the blown-sheet uniform-temperature heat sink includes an upper surface and a lower surface, wherein the lower surface is connected to the compression-type heat radiating member 2, and the upper surface is connected to the heat transfer surface of the heat conductive plate 33, as shown in fig. 6, and fig. 6 is an exploded view of a partial structure of the outdoor unit of the air conditioner.

The heat conducting plate 33 in the component to be radiated receives the heat of the chip 31 to be radiated, the heat conducting plate 33 is connected with the low-order plate part 11 of the blow-up plate temperature equalizing heat radiator, the heat is transferred to the low-order plate part 11 and the extrusion type heat radiating element 2, and the heat radiator comprising the blow-up plate temperature equalizing heat radiator 1 and the extrusion type heat radiating element 2 is adopted to simultaneously radiate the chip 31 to be radiated in the component to be radiated, so that the radiating efficiency of the chip 31 to be radiated is improved.

Optionally, the outdoor unit of the air conditioner further comprises a fan and a fan bracket 5, wherein the high-order plate portion 12 of the uniform-temperature heat sink of the expansion plate is disposed on the upper portion of the fan bracket 5.

The hardness of the uniform-temperature heat dissipation device 1 of the blowing plate is low, and the uniform-temperature heat dissipation device is easy to deform and even damage in the processes of transportation, packaging and use, so that the leakage of a heat transfer medium in a heat transfer loop is caused. The high-order plate part 12 of the blowing plate uniform-temperature heat dissipation device provided by the embodiment of the disclosure is arranged on the upper part of the fan support 5, and the fan support 5 supports the high-order plate part 12 of the blowing plate uniform-temperature heat dissipation device, so that the safety of the blowing plate uniform-temperature heat dissipation device 1 in the processes of transportation, packaging and use is improved, and the service life of the radiator is prolonged.

Optionally, a hollow-out portion 121 penetrating through the thermal equalizing and dissipating device of the inflation plate is disposed at the high-order plate portion of the thermal equalizing and dissipating device of the inflation plate, as shown in fig. 2, the blower bracket provided in the embodiment of the present disclosure includes a first supporting platform 51, a clamping platform 52, a second supporting platform, and a clamping portion 53 where the blower bracket is clamped with the casing of the outdoor unit of the air conditioner, as shown in fig. 7, wherein the second supporting platform is located between the clamping platform 52 and the clamping portion 53, and the second supporting platform is not shown due to the angle problem in fig. 7. The hollow-out part 121 of the high-order plate part of the temperature-equalizing heat-radiating device of the blowing plate is clamped on the clamping table 52 of the fan support, and the blowing plates on two sides of the hollow-out part of the high-order plate part are respectively arranged on the first supporting table 51 and the second supporting table. The embodiment of the disclosure provides a first supporting table and a second supporting table of a fan support, which can support the inflation plates on two sides of the hollow part of the high-order plate part, so that the supporting area of the high-order plate part is increased, and the supporting stability and the service life of a radiator of the inflation plate are improved.

Optionally, the inclination angle of the high-order plate portion of the blow-up plate temperature equalizing heat sink is greater than or equal to 3 °.

In the air conditioner outdoor unit, a low-order plate part of a temperature-equalizing heat dissipation device of a blowing plate is horizontally arranged, and a high-order plate part is provided with an inclination angle larger than or equal to 3 degrees. The outdoor unit of the air conditioner includes a baffle plate, and the high-stage plate portion includes a first end close to the baffle plate and a second end far from the baffle plate, where "the high-stage plate portion is provided with a tilt angle of 3 ° or more" it is understood that the height of the first end of the high-stage plate portion is higher than the height of the second end so that the high-stage plate portion forms a tilt angle of 3 ° or more, which improves the circulating fluidity of the heat transfer medium in the heat transfer circuit, and alternatively, the tilt angle may be 5 ° here. A spacer may be provided at the first end of the high-order plate portion to form the inclination angle.

The second pipe in the high-order plate portion is provided with the gas pipe section 123 and the liquid pipe section 124, and "the high-order plate portion is provided with an inclination angle of 3 ° or more" herein may also be understood as that the height of the gas pipe section 123 is higher than the height of the liquid pipe section 124, so that the high-order plate portion forms an inclination angle of 3 ° or more, which improves the one-way circulation fluidity of the heat transfer medium in the heat transfer circuit, and alternatively, the inclination angle herein may be 5 °. A gasket may be provided at the gas pipe section 123 of the high-order plate portion to form an inclination angle.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. The utility model provides a radiator, its characterized in that includes the samming heat abstractor of inflation board, the samming heat abstractor of inflation board includes:

a low-order plate section in which a first pipeline is provided;

a high-level plate portion in which a second pipeline is provided;

a communicating plate which connects the low-order plate portion and the high-order plate portion and is internally provided with a gas pipeline and a liquid pipeline which communicate the first pipeline and the second pipeline,

the first pipeline, the gas pipeline, the second pipeline, the liquid pipeline and the first pipeline are communicated in sequence to form a closed heat transfer loop.

2. The heat sink of claim 1,

the low-order plate portion, the high-order plate portion and the communication plate are integrally formed.

3. The heat sink of claim 1,

the closed heat transfer loop is internally vacuumized and filled with heat transfer media.

4. The heat sink of claim 1,

the communication board comprises a first connecting end connected with the low-order board part and a second connecting end connected with the high-order board part, and the first connecting end and the second connecting end are arc-shaped.

5. The heat sink of claim 1,

the inner diameter of the gas pipeline is larger than that of the liquid pipeline, or the number of branches of the gas pipeline is larger than that of the branches of the liquid pipeline.

6. The heat sink of claim 1, further comprising an extruded heat dissipating element,

the extrusion type heat dissipation element is connected to the lower part of the low-order plate part to form an integral combination.

7. An outdoor unit of an air conditioner, comprising the heat sink as recited in any one of claims 1 to 6.

8. The outdoor unit of claim 7, further comprising:

the chip to be radiated comprises a first surface and a second surface which are opposite;

the circuit board is connected with the first surface of the chip to be radiated;

a heat conducting plate connected with the second surface of the chip to be radiated,

wherein the heat conductive plate is provided on an upper portion of the low-order plate portion of the inflation plate.

9. The outdoor unit of claim 7, further comprising a fan and a fan supporter,

and the high-order plate part of the temperature-equalizing heat dissipation device of the blowing plate is arranged on the upper part of the fan bracket.

10. The outdoor unit of claim 7, wherein,

the inclination angle of the high-order plate part of the blowing plate temperature-equalizing heat dissipation device is larger than or equal to 3 degrees.

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