SUMMERY OF THE UTILITY MODEL
The embodiment of the disclosure provides a heat dissipation component and an air conditioner, which aim to solve the problem of difficult heat dissipation of a frequency conversion module. 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 and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
According to a first aspect of embodiments of the present disclosure, a heat dissipation member is provided.
In some alternative embodiments, the heat dissipation member comprises: the heat dissipation base body, including forming in the inside passageway of heat dissipation base body, first piece that converges is provided with first channel and the first external port of mutual intercommunication, and the second piece that converges is provided with the second channel and the external port of second of mutual intercommunication, wherein, first channel with the first end opening intercommunication of passageway, the second channel with the second end opening intercommunication of passageway.
In some alternative embodiments, the channels include a first layer of channels and a second layer of channels, and the first layer of channels and the second layer of channels are arranged in parallel and side by side.
In some alternative embodiments, in the heat dissipation member, a surface of the heat dissipation base is provided with a connection hole for fixing the heat dissipation member, or the surface of the heat dissipation base is provided with one or more fins.
In some alternative embodiments, the heat dissipating member further comprises a fixing member for fixing the heat dissipating member.
In some alternative embodiments, in the heat dissipation member, a surface of the heat dissipation base is provided with an accommodation space that accommodates the fixing member.
According to a second aspect of the embodiments of the present disclosure, there is provided a heat sink including the heat dissipating member.
According to a third aspect of the embodiments of the present disclosure, there is provided an outdoor unit of an air conditioner including the radiator.
According to a fourth aspect of the embodiments of the present disclosure, an air conditioner including the outdoor unit of the air conditioner is provided.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
the heat dissipation component provided by the embodiment of the disclosure comprises a channel penetrating through the heat dissipation base body, wherein the channel can be used for filling heat exchange working media, the thermal contact resistance between the heat dissipation component and an object to be dissipated is reduced, the heat conduction effect is improved, meanwhile, two confluence pieces are adopted to converge openings at two ends of the channel, the heat exchange working media in the channel can be converged, and the heat exchange working media flow out through an external port, so that the heat dissipation capacity is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Detailed Description
The following description and the drawings sufficiently illustrate specific embodiments herein to enable those skilled in the art to practice them. Portions and features of some embodiments may be included in or substituted for those of others. The scope of the embodiments herein includes the full ambit of the claims, as well as all available equivalents of the claims. The terms "first," "second," and the like, herein are used solely to distinguish one element from another without requiring or implying any actual such relationship or order between such elements. In practice, a first element can also be referred to as a second element, and vice versa. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a structure, apparatus, or device that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such structure, apparatus, or device. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a structure, device or apparatus that comprises the element. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like herein, as used herein, are defined as orientations or positional relationships based on the orientation or positional relationship shown in the drawings, and are used for convenience in describing and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application. In the description herein, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, mechanical or electrical connections, communications between two elements, direct connections, and indirect connections via intermediary media, where the specific meaning of the terms is understood by those skilled in the art as appropriate.
Herein, the term "plurality" means two or more, unless otherwise specified.
The disclosed embodiments provide a heat dissipation member.
The embodiment of the disclosure provides a heat dissipation component, including the heat dissipation base member, including forming in the inside passageway of heat dissipation base member, first piece that converges is provided with first channel and the first external port of mutual intercommunication, and the second piece that converges is provided with the second channel and the second external port of mutual intercommunication, wherein, first channel communicates with the first end opening of passageway, and the second channel communicates with the second end opening of passageway.
Optionally, when the number of the channels is plural, the "first end opening" and the "second end opening" herein are a set of plural openings of the plural channels, as shown in fig. 1, the first end opening of the plural channels extends to the first surface 111 of the heat dissipation substrate, and the second end opening of the plural channels extends to the second surface of the heat dissipation substrate, optionally, the second surface is opposite to the first surface 111, and the second surface is not labeled in fig. 1 due to a view angle of the figure. Optionally, the channels are linear, and the channels extend in the same direction. The heat exchange working medium is filled in the channel, so that on one hand, the thermal contact resistance between the heat dissipation base body and the object to be dissipated can be reduced, on the other hand, the uniformity of heat conduction can be improved, and further the heat dissipation capability of the heat dissipation component is improved.
As shown in fig. 2, the heat dissipation member further includes a first bus bar 12 and a second bus bar 13. The structure of the first confluence piece 12 can be as shown in fig. 3, the first confluence piece 12 is provided with a first channel 121, the first channel 121 is communicated with a first end opening, the first confluence piece 12 converges the first end opening of the channel, when the number of the channel is one, the number of the first end opening is one, the first confluence piece 12 converges the opening, when the number of the channel is multiple, the number of the first end opening is multiple, the first confluence piece 12 converges the openings, similarly, the second confluence piece 13 has the same structure and function as the first confluence piece 12. As shown in fig. 1 and 2, the first bus bar 12 is fixedly connected to the first surface 111 of the heat dissipating base 11, and the second bus bar 13 is fixedly connected to the second surface of the heat dissipating base 11, where the connection may be soldering. As shown in fig. 3, the first junction piece is provided with a first external port 122, and the first external port 122 is communicated with the first channel 121 and can be used to connect other heat dissipation members, so as to further dissipate heat of the heat dissipation working medium. Similarly, the second manifold is provided with a second external port that communicates with the second channel.
The heat dissipation method of the heat dissipation member provided by the embodiment of the present disclosure may be: the heat exchange working medium is injected from the first external port 122 of the first confluence piece 12, enters the first channel 121, enters the through hole through the first end opening of the through hole, flows through the through hole, then flows into the second channel through the second end opening of the through hole, and flows out through the second external port of the second confluence piece after confluence of the second channel, so that a primary flow path of the heat exchange working medium is completed.
Alternatively, the channel is formed inside the heat dissipation base 11, and the channel and the heat dissipation base 11 are integrally formed.
Alternatively, as shown in fig. 1, in order to reduce contact thermal resistance, the channels include a first layer of channels and a second layer of channels, and the first layer of channels and the second layer of channels are arranged in parallel and side by side, wherein the first layer of channels may be shown as a portion enclosed by a dotted line in fig. 1. Optionally, in order to ensure the heat dissipation effect of the heat dissipation substrate and the structural stability of the heat dissipation substrate, the channels in the first layer of channels and the channels in the second layer of channels are arranged in a staggered manner.
Alternatively, the surface of the heat dissipation base is provided with a coupling hole for fixing the heat dissipation member, and alternatively, the coupling hole may be an internally threaded hole, such as a circular hole of the third surface 113 shown in fig. 1. Optionally, the area of the heat dissipation substrate provided with the connection hole is not overlapped with the area provided with the channel. Optionally, the connection hole is disposed on the third surface 113 of the heat dissipation base.
Optionally, the surface of the heat dissipation substrate is provided with one or more fins. The radiating substrate and the fins can be prepared by a preparation method of direct extrusion molding, and the material can be aluminum alloy. The number of fins is not particularly limited by the disclosed embodiments. Optionally, the spacing of the plurality of fins may be unequal, and the height of the fins may be 30-50mm and the thickness 1.5 mm. Optionally, the fins are disposed on the fourth surface 114 of the heat-dissipating substrate. Optionally, the third surface 113 is opposite to the fourth surface 114.
Optionally, in order to improve the sealing performance of the fixing of the heat dissipation member and the electronic control box, the heat dissipation member provided in the embodiment of the present disclosure further includes a first fixing member and a second fixing member for fixing the heat dissipation member, and as shown in fig. 1 and fig. 2, a fifth surface 115 and a sixth surface 116 of the heat dissipation base are respectively provided with a first accommodating space and a second accommodating space for accommodating the first fixing member 14 and the second fixing member 15. Optionally, the first fixing member 14 and the second fixing member 15 may be made of metal, for example, sheet metal structural members, the fixing member may be in a long plate shape, optionally, the fixing member is provided with a through hole for fixed connection, such as an internal threaded hole, optionally, the first accommodating space and the second accommodating space may be in a table shape as shown in fig. 1, as shown in fig. 2 and 3, the end portions of the first bus bar member 12 and the second bus bar member are also provided with a table structure 123, so that, by increasing the length of the fixing member, the fixing member can fix the heat dissipation base together with the bus bar member with the electronic control box, and ensure the sealing performance of the fixing portion of the heat dissipation machine body and the electronic control box.
A second aspect of the embodiments of the present disclosure provides a heat sink including the heat dissipation member. Optionally, in the heat sink provided in the embodiment of the present disclosure, the heat dissipation member may be referred to as a first heat dissipation module, and a flow path formed by the through hole in the heat dissipation substrate, the first channel and the first external connection port of the first bus bar, and the second channel and the second external connection port of the second bus bar may be referred to as a first working medium flow path.
As shown in fig. 4, a heat sink provided by the embodiment of the present disclosure includes: the heat dissipation device comprises a first heat dissipation module 1, a second heat dissipation module 2, a first pipeline 3 and a second pipeline 4, wherein the first heat dissipation module 1 is provided with a first working medium flow path, the second heat dissipation module 2 is provided with a second working medium flow path 25, the first working medium flow path and the second working medium flow path 25 are communicated through the first pipeline 3 and the second pipeline 4, the first working medium flow path, the second working medium flow path 25, the first pipeline 3 and the second pipeline 4 form a working medium loop, and heat exchange working media are filled in the working medium loop.
The radiator provided by the embodiment of the disclosure simultaneously comprises two radiating modules, namely a first radiating module 1 and a second radiating module 2, and the two radiating modules are filled with heat exchange working media. Optionally, the first heat dissipation module is in contact with an object to be dissipated, and the working medium in the working medium flow path can transfer heat of the first heat dissipation module 1 to the second heat dissipation module 2, so that the first heat dissipation module 1 and the second heat dissipation module 2 can simultaneously perform a heat dissipation function, and the heat dissipation capability of the heat dissipater is improved. The heat dissipation capability of the heat sink provided by the embodiment of the disclosure is represented as follows: when the ambient temperature is 52 ℃, and the existing radiator is used for radiating, the existing radiator can be a non-integrated radiator, the shell temperature of the high-power component is more than ninety degrees centigrade, even more than 100 ℃, the radiator provided by the embodiment of the disclosure is used for cooling the frequency conversion module 6, and when the ambient temperature is 52 ℃, the shell temperature of the high-power component is 72-82 ℃. Therefore, compared with the existing radiator, the radiator provided by the embodiment of the disclosure can reduce the temperature of a high-power component by 20-25 ℃.
The embodiment of the present disclosure is not particularly limited to the object to be radiated, and may be, for example, a frequency conversion module 6 in an outdoor unit of an air conditioner, as shown in fig. 5 and 6.
The method for radiating the frequency conversion module 6 by using the radiator provided by the embodiment of the disclosure can be as follows: the first heat dissipation module 1 receives heat from the frequency conversion module 6, part of heat is dissipated through the air cooling effect of the fan 5, heat which is not dissipated is absorbed by working media in the first working medium flow path, the working media are quickly vaporized and taken away after being heated, the heat enters the second working medium flow path 25 of the second heat dissipation module 2 through the first pipeline 3, the second heat dissipation module 2 can simultaneously carry out air cooling heat dissipation and natural convection, gas working media in the second working medium flow path 25 dissipate heat through the second heat dissipation module 2, the heat is changed into liquid after the temperature is reduced, and the liquid working media flow back to the first working medium flow path of the first heat dissipation module 1 through the second pipeline 4 to carry out next cycle of changing heat absorption into gas state. It can be seen that, when the radiator provided by the embodiment of the present disclosure is used for radiating heat of the frequency conversion module 6, the frequency conversion module 6 can be simultaneously radiated by the first heat radiation module 1 and the second heat radiation module 2, so that the heat radiation capability of the radiator is improved, heat generated by the frequency conversion module 6 can be effectively dissipated, smooth operation of the frequency conversion module 6 is ensured, and further, the operation reliability of the air conditioner is ensured. Optionally, in order to ensure the stability of the circulation of the heat exchange working medium in the first heat dissipation module and the second heat dissipation module, the height of the first heat dissipation module is lower than that of the second heat dissipation module.
In the radiator provided by the embodiment of the disclosure, the first working medium flow path, the second working medium flow path 25, the first pipeline 3 and the second pipeline 4 form a working medium loop, and the working medium loop is filled with a heat exchange working medium. Optionally, the radiator provided by the embodiment of the disclosure can be prepared through the preparation processes of welding, vacuumizing, working medium pouring and the like. The present embodiment is not limited to the type of the working medium, and may be, for example, a fluid capable of performing a phase change, such as a refrigerant. The embodiment does not specifically limit the filling amount of the working medium in the working medium circuit.
Optionally, the first pipeline 3 is made of metal, and similarly, the second pipeline 4 is made of metal.
The first heat dissipation module 1 provided by the embodiment of the present disclosure may also be referred to as an evaporation end, and the second heat dissipation module 2 may also be referred to as a condensation end. Optionally, the second heat dissipation module 2 may be a temperature equalization plate, for example, an inflation type temperature equalization plate, and is formed by laminating two layers of aluminum plates, and the inside of the second heat dissipation module is provided with second working medium flow paths which are mutually communicated. The second heat dissipation module 2 provided with the second working medium pipeline has the functions of the working medium pipeline and the heat dissipation fins, can perform natural convection and air cooling heat dissipation simultaneously, and has the advantages of high heat transfer capacity, high heat conductivity, light weight and the like. The second heat dissipation module 2 may be mounted on the fan bracket 7 of the outdoor unit of the air conditioner.
Optionally, one or more heat dissipation reinforcements are disposed on the second heat dissipation module 2, and the shape of the heat dissipation reinforcements is not particularly limited in this embodiment, for example, the heat dissipation reinforcements may be winglets or the like having shapes such as rectangles and triangles. The plurality of heat dissipation reinforcing parts arranged on the temperature equalizing plate can destroy the development of the surface boundary layer of the temperature equalizing plate, enhance the gas disturbance degree and further improve the heat dissipation capacity of the second heat dissipation module 2. Optionally, the heat dissipation reinforcement may be disposed on an outer surface of the temperature equalization plate, or may be disposed on an inner surface of the temperature equalization plate.
The present disclosure also provides an outdoor unit of an air conditioner comprising the radiator.
Alternatively, as shown in fig. 5 and 6, the installation positions of the heat sink in the outdoor unit of the air conditioner may be: the first heat dissipation module 1 of the heat sink is in contact with the frequency conversion module 6, and specifically, the first heat dissipation module 1 may be in contact with the electronic control box of the frequency conversion module 6. The heat dissipation base body 11 of the first heat dissipation module 1 is in contact with the lower surface of the high-power component, and the heat of the high-power component can be obtained through a direct contact mode, so that heat dissipation is carried out. Specifically, in order to avoid the change of the die of the electric control box, the fixing mode of the heat dissipation base body of the first heat dissipation module 1 of the radiator and the electric control box can be installed from the lower part of the electric control box, the first fixing piece 14 and the second fixing piece 15 are placed on the upper part of the electric control box and correspond to the installation position, then the metal plate structural part, the electric control box and the heat dissipation base body of the first heat dissipation module 1 are fixed in a screw connection mode, and the assembly is stable and convenient.
Optionally, the second heat dissipation module 2 may be mounted on a fan bracket 7 of the outdoor unit of the air conditioner, and compared with the existing fan bracket mounted on the side of the fan 5, the mounting position provided in this embodiment has a larger space in the outdoor unit of the air conditioner, so as to increase the heat dissipation area of the heat sink, and the airflow at the upper part of the fan 5 flows more smoothly, thereby further improving the heat dissipation capability of the second heat dissipation module 2.
The present disclosure also provides an air conditioner comprising the air conditioner outdoor unit.
The present application is not limited to the structures that have been described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.