CN217694137U - Phase change radiator and air conditioner - Google Patents

Abstract

The application relates to the technical field of air conditioning, and discloses a phase-change radiator which comprises a cover plate, wherein a radiating area is arranged on one side of the cover plate, and the radiating area is used for being connected with a heating piece; the first side surface of the evaporation plate is connected to the other side of the cover plate, and a first groove is formed in the first side surface of the evaporation plate corresponding to the heat dissipation area so as to form an evaporation cavity for filling the phase change working medium with the cover plate; the heat dissipation plate is arranged between the cover plate and the evaporation plate, is of a hollow structure corresponding to the evaporation cavity, and is internally provided with a working medium flow path communicated with the evaporation cavity; the first end of the heat-conducting column corresponding to the heat dissipation area is connected to the cover plate, and the second end of the heat-conducting column extends into the evaporation cavity; and the fin group is arranged on the second side surface of the evaporation plate. Adopt the disclosed phase change radiator of this application can overcome the influence of gravity and realize that the evaporation end is last, and the purpose of condensation end under, and then can make the mounted position of generating heat piece and phase change radiator more have the flexibility. The application also discloses an air conditioner.

Description

Phase change radiator and air conditioner

Technical Field

The present disclosure relates to the field of air conditioning technologies, and in particular, to a phase change heat sink and an air conditioner.

Background

With the development of air conditioning technology, inverter air conditioners are widely used in life. The inverter air conditioner is characterized in that an inverter is added in a fixed-frequency air conditioner, and a control box of the inverter is used for adjusting the rotating speed of a compressor in the air conditioner, so that the compressor is always in the optimal rotating speed state, and the energy consumption of the air conditioner is saved. The frequency converter mainly comprises chips, a large amount of heat can be generated along with the long-time use of the chips, the temperature of the chips is increased, if the heat cannot be dissipated in time, the performance of the chips can be reduced, even the chips are burnt out, and the frequency converter is unstable in work. Therefore, the frequency converter needs to be subjected to heat dissipation treatment. At present, a traditional radiator mainly comprises a temperature-equalizing plate and fins, and based on the principle that hot air rises, a chip can only be arranged at the bottom of the radiator, so that an evaporation end is arranged below, a condensation end is arranged above, the circulation of a refrigerant in the radiator is realized to achieve the radiating effect, the chip and the radiator are limited by the installation position, and the ventilation and radiating effects are poor.

The related art discloses an air conditioner and a tubular phase change heat dissipation control box thereof, which comprise a control box and a tubular heat exchanger; the tubular heat exchanger comprises a heat pipe, a heat pipe mounting plate and fins; two ends of the heat pipe are sealed, and a phase change working medium is arranged inside the heat pipe; after the heat pipe is bent at least once, a heat dissipation section and a heat absorption section which are not positioned on the same horizontal plane are formed, and the heat dissipation section is higher than the heat absorption section; the heat absorption section of the heat pipe is fixed on the heat pipe mounting plate, and the heat dissipation section is provided with a plurality of fins; the heat absorption section of the heat pipe or the upper end surface of the heat pipe mounting plate is directly or indirectly attached to a heating element in the control box, and the heat dissipation section of the heat pipe is positioned outside the control box. Through the reasonable structure of design heat pipe, heat pipe mounting panel and fin, can carry out very good heat dissipation to the control box, simultaneously, make tubular heat exchanger and control box's mounted position more have the flexibility.

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 pipe type products are adopted in the related art, the heat pipe is not flexible when the structural design is carried out on the heat pipe, and the heat pipe needs to be bent, so that the heat exchange performance is reduced.

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 phase change radiator and an air conditioner, which effectively improve the heat exchange performance while overcoming the influence of gravity.

In some embodiments, the phase change heat sink comprises: one side of the cover plate is provided with a heat dissipation area which is used for being connected with a heating piece; the first side surface of the evaporation plate is connected to the other side of the cover plate, and a first groove is formed in the first side surface of the evaporation plate corresponding to the heat dissipation area so as to form an evaporation cavity for filling the phase change working medium with the cover plate; the heat dissipation plate is arranged between the cover plate and the evaporation plate, is of a hollow structure corresponding to the evaporation cavity, and is internally provided with a working medium flow path communicated with the evaporation cavity; the first end of the heat-conducting column corresponding to the heat dissipation area is connected to the cover plate, and the second end of the heat-conducting column extends into the evaporation cavity; and the fin group is arranged on the second side surface of the evaporation plate.

In some embodiments, the evaporation plate comprises: the first partition board is arranged in a hollow structure corresponding to the heat dissipation area; the first side surface of the bottom plate is connected with the first partition plate, and the bottom plate and the first partition plate form the first groove; wherein the heat dissipation plate is disposed between the first partition plate and the cover plate.

In some embodiments, the phase-change working medium is filled in the first groove, and the injection height of the phase-change working medium is less than or equal to the height from the bottom of the first groove to the first partition plate; and the second end of the heat conduction column is immersed in the phase change working medium.

In some embodiments, the side of the cover plate facing the heat dissipation plate is configured with a second groove corresponding to the heat dissipation area; wherein the second groove and the first groove together form the evaporation cavity.

In some embodiments, the cover plate comprises: the cover plate body is provided with the heat dissipation area; the second partition plate is arranged between the cover plate body and the heat dissipation plate, the heat dissipation area is set to be a hollow structure, and the second partition plate and the cover plate body jointly form the second groove.

In some embodiments, the thickness of the second separator is equal to the thickness of the first separator.

In some embodiments, the fin set includes: the first side surface of the substrate is arranged on the second side surface of the bottom plate; and the fins are connected to the second side surface of the base plate and are arranged in parallel, and a gap is formed between every two adjacent fins.

In some embodiments, the working medium flow path is provided in plurality, and the plurality of working medium flow paths are uniformly laid on the inner portion of the heat dissipation plate.

In some embodiments, the number of the heat-conducting columns is multiple, and each of the multiple heat-conducting columns is provided with a screw hole for connecting the heating element.

In some embodiments, the air conditioner includes: the phase change heat sink is described above.

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

the phase change radiator that the embodiment of the disclosure provided, when the side that sets up the piece that generates heat up, the piece that generates heat sets up in the radiating area, the heat transfer that will generate heat the piece and give off through the heat conduction post is to the phase change working medium of evaporation intracavity, liquid phase change working medium is heated the evaporation and is gaseous phase change working medium, gaseous phase change working medium flows to in the working medium flow path of heating panel, and then the temperature of heating panel risees, the heating panel passes through the fin group heat dissipation, make the temperature reduction of heating panel, and then gaseous phase change working medium condensation is liquid phase change working medium, under the poor effect of gravity, flow in the evaporation chamber, so reciprocating cycle, thereby realize for the radiating effect of the piece that generates heat.

The phase change radiator provided by the embodiment of the disclosure can overcome the gravity influence to realize the purpose that the evaporation end is on the upper side and the condensation end is on the lower side, and further can enable the installation positions of the heating element and the phase change radiator to have more flexibility. Meanwhile, the phase change radiator provided by the embodiment of the disclosure can flexibly design the trend and the area of the working medium flow path in the radiating plate according to actual requirements so as to radiate more heat, thereby effectively improving the radiating performance.

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 diagram of a phase change heat sink according to an embodiment of the present disclosure;

FIG. 2 is an exploded view of a phase change heat sink according to an embodiment of the present disclosure;

FIG. 3 is an exploded schematic view of another phase change heat sink provided by an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a cover plate of a phase change heat sink according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of a cover plate of another phase change heat sink provided by an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a heat dissipation plate of a phase change heat sink according to an embodiment of the disclosure;

FIG. 7 is a schematic diagram of an evaporating plate of a phase change heat sink according to an embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of a fin set of a phase change heat sink according to an embodiment of the disclosure.

Reference numerals are as follows:

100: a cover plate; 110: a heat dissipation area;

200: an evaporation plate; 210: a first separator; 220: a base plate; 230: a first groove;

300: a heat dissipation plate; 310: a working medium flow path;

400: a heat-conducting column; 410: a screw hole;

500: a fin group; 510: a substrate; 520: and (7) a fin.

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, terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on 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 in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. 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.

With reference to fig. 1 to 8, an embodiment of the present disclosure provides a phase change heat sink, including a cover plate 100, an evaporation plate 200, a heat dissipation plate 300, a heat conduction column 400, and a fin set 500, where one side of the cover plate 100 is provided with a heat dissipation area 110, and the heat dissipation area 110 is used for connecting a heating element; the first side of the evaporation plate 200 is connected to the other side of the cover plate 100, and a first groove 230 is formed on the first side of the evaporation plate 200 corresponding to the heat dissipation area 110 to form an evaporation cavity for filling the phase-change working medium with the cover plate 100; the heat dissipation plate 300 is arranged between the cover plate 100 and the evaporation plate 200, and is arranged to be a hollow structure corresponding to the evaporation cavity, and a working medium flow path 310 communicated with the evaporation cavity is formed inside the heat dissipation plate 300; the first end of the heat-conducting post 400 corresponding to the heat dissipation area 110 is connected to the cover plate 100, and the second end extends into the evaporation cavity; the fin group 500 is disposed at the second side of the evaporating plate 200.

Because the liquid phase-change working medium is heated and evaporated into the gaseous phase-change working medium and then rises, the existing phase-change radiator generally adopts the arrangement mode that the heat source is arranged at the lower part and the condensation end is arranged at the upper part, the condensation end positioned above the heat source condenses the gaseous phase-change working medium into the liquid phase-change working medium, and the gaseous phase-change working medium flows back to the evaporation end under the action of gravity, so that the cycle is repeated. And then make the piece that generates heat set up all receive the restriction in the position of phase change heat exchanger and the mounted position of phase change heat sink to lead to the ventilation and the relatively poor effect of heat transfer.

The phase change radiator that the embodiment of the present disclosure provided, when the side that is used for setting up the piece that generates heat up, the piece that generates heat sets up at radiating area 110, the phase change working medium in the heat transfer to the evaporation intracavity that will generate heat through heat conduction post 400, liquid phase change working medium is heated the evaporation and is gaseous phase change working medium, gaseous phase change working medium flows to in the working medium flow path 310 of heating panel 300, and then the temperature of heating panel 300 risees, heating panel 300 passes through fin group 500 heat dissipation, make the temperature reduction of heating panel 300, and then gaseous phase change working medium condensation is liquid phase change working medium. The heat dissipation plate 300 is disposed between the cover plate 100 and the evaporation plate 200, and meanwhile, the first side surface of the evaporation plate 200 is configured with the first groove 230 corresponding to the heat dissipation area 110, so that a step-shaped structure is formed under the first groove 230 and the thickness of the heat dissipation plate 300, that is, the gravity difference, and then the liquid phase-change working medium flowing out of the working medium flow path 310 inside the heat dissipation plate 300 flows into the evaporation chamber under the action of the gravity difference, and the above-mentioned processes are repeated, thereby achieving the heat dissipation effect of the heating element.

The phase change radiator provided by the embodiment of the disclosure can overcome the gravity influence to realize the purpose that the evaporation end is on the upper side and the condensation end is on the lower side, and further can enable the installation positions of the heating element and the phase change radiator to have more flexibility. Meanwhile, the phase change heat sink provided by the embodiment of the disclosure can flexibly design the direction and the area of the working medium flow path 310 in the heat dissipation plate 300 according to actual requirements, so as to dissipate more heat, thereby effectively improving the heat dissipation performance.

In this disclosed embodiment, the phase change radiator can overcome the influence of gravity, and not make product itself break away from the effect of gravity, but at the angle of function, overcome the influence that liquid phase change working medium is heated and is evaporated and can rise after for gaseous phase change working medium and bring, and the piece that generates heat can set up at the top of phase change radiator, realizes that the heat source is last, and the purpose of condensation end under.

Optionally, the evaporation plate 200 includes a first partition plate 210 and a bottom plate 220, and the first partition plate 210 is configured as a hollow structure corresponding to the heat dissipation area 110; the first side of the bottom plate 220 is connected to the first partition 210, and the bottom plate 220 and the first partition 210 form a first groove 230; the heat dissipation plate 300 is disposed between the first separator 210 and the cap plate 100.

The evaporation plate 200 is provided with a first partition plate 210 and a bottom plate 220, the first partition plate 210 is provided with a hollow structure corresponding to the heat dissipation area 110, a first groove 230 is formed between the first partition plate 210 and the bottom plate 220, and the thickness of the first partition plate 210 is the depth of the first groove 230. With this arrangement, the processing of the evaporating plate 200 is facilitated.

Optionally, the first groove 230 is filled with a phase-change working medium, and the injection height of the phase-change working medium is less than or equal to the height from the bottom of the first groove 230 to the first partition 210; wherein, the second end of the heat conducting column 400 is immersed in the phase change working medium.

The heat dissipation plate 300 is disposed between the first partition plate 210 and the cover plate 100, a working medium flow path 310 inside the heat dissipation plate 300 communicates with an evaporation cavity formed by the cover plate 100 and the evaporation plate 200, and the working medium flow path 310 is used for inflow of a gaseous phase change working medium and outflow of a liquid phase change working medium.

Therefore, the phase-change working medium is filled in the first groove 230, and the injection height of the phase-change working medium is less than or equal to the height from the bottom of the first groove 230 to the first partition plate 210, that is, the injection height of the phase-change working medium is not greater than the thickness of the first partition plate 210. Therefore, on one hand, the liquid phase-change working medium in the first groove 230 can be effectively prevented from flowing into the working medium flow path 310, so that the flowing space of the gaseous phase-change working medium in the working medium flow path 310 is reduced, and the heat dissipation efficiency of the phase-change heat radiator is greatly reduced; on the other hand, if the phase-change working medium in the evaporation chamber flows into the working medium flow path 310, when the phase-change working medium flows too much or even is full of the working medium flow path 310, the liquid phase-change working medium and the gaseous phase-change working medium cannot form a cycle, thereby greatly reducing the heat dissipation efficiency of the phase-change heat sink.

Optionally, the side of the cover plate 100 facing the heat dissipation plate 300 is configured with a second groove corresponding to the heat dissipation area 110; wherein the second groove and the first groove 230 together form an evaporation cavity.

The side of the cover plate 100 facing the heat dissipation plate 300 is configured with a second groove corresponding to the position of the heat dissipation area 110, so that the second groove and the first groove 230 together form an evaporation cavity. By adopting the arrangement mode, when the side face for arranging the heating part faces downwards, namely the heating part needs to be arranged at the bottom of the phase change radiator, the second groove provides an accommodating space for the phase change working medium in the evaporation cavity, so that the situation that the liquid phase change working medium in the evaporation cavity flows into the working medium flow path 310 is avoided, the flowing space of the gaseous phase change working medium in the working medium flow path 310 is reduced, and the heat radiation efficiency of the phase change radiator is greatly reduced.

Optionally, the cover plate 100 includes a cover plate 100 body and a second partition plate, the cover plate 100 body is provided with a heat dissipation area 110; the second partition is disposed between the cover plate 100 and the heat dissipation plate 300, and is configured to be a hollow structure corresponding to the heat dissipation area 110, and the second partition and the cover plate 100 together form a second groove.

The cover plate 100 is configured as a cover plate 100 body and a second partition plate, and the second partition plate is configured as a hollow structure corresponding to the heat dissipation area 110, so that the second partition plate and the cover plate 100 body jointly form a second groove. With this arrangement, the processing of the cover plate 100 is facilitated.

Optionally, the thickness of the second spacer is equal to the thickness of the first spacer 210.

Thus, the first groove 230 and the second groove have the same depth, and thus, under the condition of injecting the phase-change working medium with the same volume, the side for setting the heating element faces upward or downward, the heat dissipation effect is better, the thickness of the second partition plate is effectively prevented from being smaller than that of the first partition plate 210, when the side for setting the heating element faces downward, the phase-change working medium in the second groove flows into the working medium flow path 310, and the heat dissipation efficiency of the phase-change heat sink is further reduced.

Optionally, the fin set 500 includes a base plate 510 and a plurality of fins 520, a first side of the base plate 510 is disposed on a second side of the base plate 220; a plurality of fins 520 are attached to the second side of the base plate 510, the plurality of fins 520 are arranged in parallel, and a gap is provided between every two adjacent fins 520.

The plurality of fins 520 are arranged on the second side surface of the base plate 220 through the base plate 510, the arrangement mode is convenient for processing and mounting the fins 520, and a gap is arranged between every two adjacent fins 520, so that air can circulate, and heat on the fins 520 can be taken away through flowing air.

In the embodiment of the present disclosure, the base plate 510 and the plurality of fins 520 may be integrally formed, or the plurality of fins 520 may be connected to the base plate 510 by welding, and here, the connection form between the base plate 510 and the plurality of fins 520 is not particularly limited.

Optionally, the second side of the base plate 510 is configured with a plurality of rows of slots into which the plurality of fins 520 are inserted, respectively.

By forming the slots on the second side of the base plate 510, the fins 520 may be inserted into the slots during installation. The fins 520 can be fixed by pressing the fins 520 in the transverse direction of the slots. By adopting the arrangement form, the processing is convenient, the installation of the phase change radiator is convenient, the cost is saved, and the disassembly and the assembly of the phase change radiator are convenient.

Optionally, the slot includes an insertion portion perpendicular to the substrate 510 and a clamping portion parallel to the substrate 510, the insertion portion and the clamping portion together forming an L-shaped slot; wherein the connecting end of the fin 520 has a bend adapted to the L-shaped slot.

By arranging the insertion slot as two parts of an insertion portion perpendicular to the substrate 510 and a clamping portion parallel to the substrate 510, the clamping portion is perpendicularly connected to one end of the insertion portion. Meanwhile, the connecting end of the fin 520 is set to be a bend adapted to the L-shaped slot, where the connecting end of the fin 520 refers to the end of the fin 520 for connecting with the base plate 510. When the fin 520 is mounted, the bent portion of the fin 520 is inserted into the L-shaped slot, and the fin 520 can be fixed without using other materials or external force.

Since the L-shaped socket includes an insertion portion perpendicular to the base plate 510 and a catching portion parallel to the base plate 510, a lateral contact area is increased, and a coupling tightness of the fin 520 and the base plate 510 is improved. By adopting the arrangement form, the stability of the fins 520 when the fins 520 are fixed on the base plate 510 can be effectively improved, the connection tightness of the fins 520 when the fins 520 are connected on the base plate 510 can be improved, and the problems that the heat dissipation efficiency is low due to unstable connection, or the heat dissipation function of the phase-change heat sink is influenced due to the increase of the heat resistance caused by low combination tightness of the base plate 510 and the fins 520 can be effectively solved.

By adopting the phase change heat radiator provided by the embodiment of the disclosure, the base plate 510 and the fins 520 are fixedly connected through the L-shaped structure, so that the heat radiation effect of the phase change heat radiator can be effectively improved. In addition, welding is not needed between the base plate 510 and the fins 520, so that the production efficiency can be improved, and the welding cost is saved.

Optionally, each of the plurality of fins 520 is configured with a relief structure thereon.

By adopting the arrangement form, on one hand, the heat dissipation contact area can be effectively increased; when the air flows through the fins 520, the disturbance of the air passing through the fins 520 can be enhanced through the concave-convex structures on the fins 520, so that the heat conduction on the fins 520 can be fully performed, the heat dissipation efficiency between the air and the fins 520 is enhanced, and the heat dissipation efficiency of the phase change heat sink is improved.

Optionally, the plurality of fins 520 are all perpendicular to the base 510.

The fins 520 are perpendicular to the base plate 510, and by adopting the arrangement form, on one hand, the overall occupied space of the phase change heat radiator can be reduced, and the installation of the phase change heat radiator is further facilitated; on the other hand, the air can flow in the gaps between the fins 520, so that the heat on the fins 520 can be taken away through the air flow, and the heat dissipation effect of the phase change heat sink is improved.

Optionally, the thickness of the fins 520 tapers from the connected end to the free end.

The heating element arranged at the top of the phase-change radiator conducts heat to the evaporation cavity through the heat conduction column 400, the phase-change working medium in the evaporation cavity is heated and gasified into gaseous phase-change working medium, the gaseous phase-change working medium flows into the working medium flow path 310 of the heat dissipation plate 300, and the temperature of the heat dissipation plate 300 is increased. Further, the heat of the heat dissipation plate 300 is conducted to the evaporation plate 200 and then to the plurality of fins 520, and the plurality of fins 520 take away the heat by the flowing air.

Fin 520 is used for connecting the thickness of the link in base plate 510 and is thicker, can be more quick reach heat from base plate 510, and fin 520's thickness is from link to free end taper, can be favorable to the air flow to take away the heat more to fin 520 is thinner, and the heat that exists on fin 520 is less, and the exothermic heat that can be quick more, and then can improve phase change heat sink's radiating efficiency effectively. The free end here refers to the end opposite the connected end.

Optionally, a plurality of fins 520 are disposed parallel to the air flow direction.

By adopting the arrangement form, the air can flow conveniently, and the heat dissipation efficiency of the phase change heat radiator can be further improved.

Alternatively, the number of the working fluid paths 310 is plural, and the plural working fluid paths 310 are uniformly laid on the inside of the heat dissipation plate 300.

By constructing the plurality of working medium flow paths 310, the efficiency of heat conduction can be effectively improved, and further, the heat dissipation efficiency of the phase change heat sink can be improved.

Alternatively, heat sink 300 is configured with a plurality of layers of working fluid flow paths 310 in the height direction.

The heat dissipation plate 300 is structured with the multilayer working medium flow path 310 in the height direction, and the phase change heat exchange is performed through the multilayer working medium flow path 310.

Optionally, the number of the heat conducting pillars 400 is plural, and a screw hole 410 is formed in each of the plural heat conducting pillars 400 for connecting to the heat generating member.

Like this, when the piece that generates heat gives off heat, can be with more heat conduction to evaporation chamber through a plurality of heat conduction posts 400, and then can improve heat conduction's efficiency effectively, improve the radiating efficiency.

Screw holes 410 are formed in the plurality of heat-conducting columns 400, so that the heating element and the cover plate 100 can be detachably connected through screw connection, and the heating element can be conveniently disassembled and assembled.

In the embodiment of the present disclosure, different shapes and sizes of the heat conducting pillar 400 may be set to increase the contact area between the heat conducting pillar 400 and the phase change working medium, thereby improving the efficiency of heat conduction. For example, the heat conductive pillar 400 may have a pillar shape or a zigzag shape, and the shape and size of the heat conductive pillar 400 are not particularly limited.

Optionally, a thermal conductive paste is filled between the cover plate 100 and the heat generating member.

Because the heat conduction cream has good heat conductivity and stability in use, fill the heat conduction cream with apron 100 and the piece that generates heat between, can improve the conduction efficiency of heat conduction to can improve the radiating efficiency to the piece that generates heat.

Optionally, the area of the cover plate 100 corresponding to the heat dissipation area 110 is a plane.

By arranging the area of the cover plate 100 corresponding to the heat dissipation area 110 as a plane, the heat generating member can be attached to the cover plate 100 conveniently, thereby being more beneficial to heat conduction.

The embodiment of the disclosure provides an air conditioner, which comprises the phase change radiator.

The air conditioner adopting the phase change radiator has better radiating efficiency when in use, and further can provide the use experience of users.

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. A phase change heat sink, comprising:

one side of the cover plate is provided with a heat dissipation area which is used for being connected with a heating piece;

the first side surface of the evaporation plate is connected to the other side of the cover plate, and a first groove is formed in the first side surface of the evaporation plate corresponding to the heat dissipation area so as to form an evaporation cavity for filling the phase change working medium with the cover plate;

the heat dissipation plate is arranged between the cover plate and the evaporation plate, is of a hollow structure corresponding to the evaporation cavity, and is internally provided with a working medium flow path communicated with the evaporation cavity;

the first end of the heat-conducting column corresponding to the heat-radiating area is connected to the cover plate, and the second end of the heat-conducting column extends into the evaporation cavity;

and the fin group is arranged on the second side surface of the evaporation plate.

2. The phase change heat sink of claim 1, wherein the evaporation plate comprises:

the first partition board is arranged in a hollow structure corresponding to the heat dissipation area;

the first side surface of the bottom plate is connected with the first partition plate, and the bottom plate and the first partition plate form the first groove;

wherein the heat dissipation plate is disposed between the first partition plate and the cover plate.

3. The phase change heat sink of claim 2,

the phase change working medium is filled in the first groove, and the injection height of the phase change working medium is less than or equal to the height from the bottom of the first groove to the first partition plate;

and the second end of the heat conduction column is immersed in the phase-change working medium.

4. The phase change heat sink of claim 2,

the side surface of the cover plate facing the heat dissipation plate is provided with a second groove corresponding to the heat dissipation area;

wherein the second groove and the first groove together form the evaporation cavity.

5. The phase change heat sink of claim 4, wherein the cover plate comprises:

the cover plate body is provided with the heat dissipation area;

the second partition plate is arranged between the cover plate body and the heat dissipation plate, corresponds to the heat dissipation area and is of a hollow structure, and the second partition plate and the cover plate body jointly form the second groove.

6. The phase change heat sink of claim 5,

the thickness of the second separator is equal to the thickness of the first separator.

7. The phase change heat sink of claim 2, wherein the fin set comprises:

the first side surface of the substrate is arranged on the second side surface of the bottom plate;

and the fins are connected to the second side surface of the base plate and arranged in parallel, and a gap is formed between every two adjacent fins.

8. The phase change heat sink according to any one of claims 1 to 7,

the number of the working medium flow paths is multiple, and the multiple working medium flow paths are evenly paved inside the heat dissipation plate.

9. The phase change heat sink according to any one of claims 1 to 7,

the quantity of heat conduction post is a plurality of, and is a plurality of the screw has all been seted up to the heat conduction post, is used for connecting the piece that generates heat.

10. An air conditioner, comprising:

a phase change heat sink as claimed in any one of claims 1 to 9.

Images