CN109974137B - Air conditioner outdoor unit and air conditioner - Google Patents
Air conditioner outdoor unit and air conditioner Download PDFInfo
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- CN109974137B CN109974137B CN201910319882.0A CN201910319882A CN109974137B CN 109974137 B CN109974137 B CN 109974137B CN 201910319882 A CN201910319882 A CN 201910319882A CN 109974137 B CN109974137 B CN 109974137B
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 126
- 238000006243 chemical reaction Methods 0.000 claims description 41
- 239000000758 substrate Substances 0.000 claims description 37
- 230000005855 radiation Effects 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 18
- 239000012530 fluid Substances 0.000 description 14
- 239000007788 liquid Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
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- 238000007906 compression Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
- F24F1/24—Cooling of electric components
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0266—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The application belongs to the technical field of heat dissipation, and particularly relates to an air conditioner outdoor unit and an air conditioner. The application provides an air conditioner outdoor unit which comprises a radiator, wherein the radiator comprises a first radiating module, a second radiating module, a first pipeline and a second pipeline, the first radiating module is provided with a first working medium flow path, the second radiating module is provided with a second working medium flow path, the first working medium flow path and the second working medium flow path are communicated through the first pipeline and the second pipeline, the first working medium flow path, the second working medium flow path, the first pipeline and the second pipeline form a working medium loop, a phase-change working medium is filled in the working medium loop, and one or more of the first radiating module and the second radiating module are arranged in a fan cabin of the air conditioner outdoor unit. The radiator of the air conditioner outdoor unit provided by the embodiment of the application comprises the first radiating module and the second radiating module, and the two radiating modules can radiate heat at the same time, so that the radiating effect of the radiator is improved.
Description
Technical Field
The invention relates to the technical field of heat dissipation, in particular to an air conditioner outdoor unit and an air conditioner.
Background
The frequency conversion module is an important component in the frequency conversion air conditioner, and the heat dissipation problem of the frequency conversion module is closely related to the reliability of the air conditioner. The higher the compressor frequency is, the more the frequency conversion module heats, and secondly, the more compact on the chip design, the density of components and parts is constantly increased, and the volume of components and parts also tends to microminiaturize, leads to the heat dissipation of frequency conversion module to be more difficult.
At present, an extruded section radiator is generally adopted for heat dissipation of the frequency conversion module of the outdoor unit of the air conditioner, and heat dissipation optimization is carried out by changing the area and the shape of the fins. However, the existing radiator still cannot timely radiate heat generated by the frequency conversion module, particularly under high ambient temperature, the temperature of the frequency conversion module is rapidly increased, and the heat radiation capacity of the radiator is limited, so that the reliability of the air conditioner is seriously affected.
Disclosure of Invention
The embodiment of the disclosure provides an air conditioner outdoor unit and an air conditioner, which are used for solving the problem that a frequency conversion module is difficult to radiate heat. 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 an embodiment of the present disclosure, there is provided an air conditioner outdoor unit.
In some optional embodiments, the outdoor unit of an air conditioner includes a radiator, the radiator including: the device comprises a first heat dissipation module, a second heat dissipation module, a first pipeline and a second pipeline; the first heat dissipation module is provided with a first working medium flow path, the second heat dissipation module is provided with a second working medium flow path, the first working medium flow path and the second working medium flow path are communicated through the first pipeline and the second pipeline, the first working medium flow path, the second working medium flow path, the first pipeline and the second pipeline form a working medium loop, the working medium loop is filled with a phase-change working medium, and one or more of the first heat dissipation module and the second heat dissipation module are arranged in a fan cabin of the air conditioner outdoor unit. The radiator of the air conditioner outdoor unit provided by the embodiment of the disclosure can timely radiate heat generated by the frequency conversion module, so that smooth operation of the air conditioner frequency conversion module is ensured, and further, the operation reliability of the air conditioner is improved.
According to a second aspect of embodiments of the present disclosure, there is provided an air conditioner.
In some alternative embodiments, the air conditioner includes an air conditioner outdoor unit as described above.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:
The radiator of the air conditioner outdoor unit provided by the embodiment of the disclosure comprises the first radiating module and the second radiating module, and the two radiating modules can radiate heat generated by an object to be radiated at the same time, so that the radiating effect of the radiator is improved. The radiator provided by the embodiment of the disclosure is used for radiating the frequency conversion module of the air conditioner, so that the heat generated by the frequency conversion module can be effectively radiated in time, the smooth operation of the frequency conversion module is ensured, and the operation reliability of the air conditioner is further improved. One or more of the first heat radiation module and the second heat radiation module of the radiator of the air conditioner outdoor unit are arranged in the fan cabin of the air conditioner outdoor unit, so that the heat radiation effect of the radiator 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 invention as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic view illustrating a structure of an outdoor unit of an air conditioner according to an exemplary embodiment;
fig. 2 is an enlarged schematic view illustrating a partial structure of an outdoor unit of an air conditioner according to an exemplary embodiment;
FIG. 3 is a schematic diagram of a heat sink according to an exemplary embodiment;
Fig. 4 is a schematic structural view of a first heat dissipating module according to an exemplary embodiment;
Fig. 5 is a schematic diagram illustrating a structure of a second heat dissipating module according to an exemplary embodiment;
Fig. 6 is a schematic diagram of a second heat dissipating module according to an exemplary embodiment;
fig. 7 is a schematic structural view of a sealing member and a fixing member of a first heat dissipating module according to an exemplary embodiment;
Fig. 8 is an exploded structural view showing a sealing member and a fixing member of a first heat dissipating module according to an exemplary embodiment; and
Fig. 9 is a schematic diagram illustrating a seal structure of a first heat dissipating module according to an exemplary embodiment.
The heat-dissipating device comprises a first heat-dissipating module 1, a second heat-dissipating module 2, a first pipeline 3, a first pipeline 4, a second pipeline 5, a fan 6, a frequency conversion module 7, a fan bracket 11, a first substrate 12, a first heat-dissipating component 13, a first layer of working medium flow path 14, a threaded hole 14, a first fixing piece 15, a second fixing piece 16, a first sealing piece 17, a second sealing piece 18, a channel 171, a through hole 172, a 173 trapezoid structure 21, a first layer of substrate 22, a second layer of substrate 23, a second heat-dissipating component 24, a clamping piece 25 and a second working medium flow path.
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 scope of the claims, as well as all available equivalents of the claims.
The embodiment of the disclosure provides an air conditioner outdoor unit.
The embodiment of the disclosure provides an air conditioner outdoor unit, which comprises a radiator, wherein the radiator comprises: the device comprises a first heat dissipation module, a second heat dissipation module, a first pipeline and a second pipeline; the first heat dissipation module is provided with a first working medium flow path, the second heat dissipation module is provided with a second working medium flow path, the first working medium flow path and the second working medium flow path are communicated through a first pipeline and a second pipeline, the first working medium flow path, the second working medium flow path, the first pipeline and the second pipeline form a working medium loop, the working medium loop is filled with a phase-change working medium, and one or more of the first heat dissipation module and the second heat dissipation module are arranged in a fan cabin of an air conditioner outdoor unit.
As shown in fig. 1, the radiator of the air conditioner outdoor unit provided in the embodiment of the disclosure includes a first heat dissipation module 1, a second heat dissipation module 2, a first pipeline 3 and a second pipeline 4, where one or more of the first heat dissipation module 1 and the second heat dissipation module 2 are disposed in a fan cabin of the air conditioner outdoor unit. Optionally, the first heat dissipation module 1 is disposed in the nacelle, or the second heat dissipation module 2 is disposed in the nacelle, or both the first heat dissipation module 1 and the second heat dissipation module 2 are disposed in the nacelle.
Optionally, the casing of the air-conditioning outdoor unit may divide the air-conditioning outdoor unit into a wind cabin and a compression cabin by using a sound insulation board, where the wind cabin is a cabin body provided with a fan, and the compression cabin is a cabin body provided with a compressor. One or two heat dissipation modules of the heat sink provided by the embodiments of the present disclosure are disposed in a wind cabin, and the wind cabin has a larger space, which is beneficial to improving the heat dissipation effect of the heat sink by increasing the heat dissipation area of the first heat dissipation module 1 or the second heat dissipation module 2.
Alternatively, as shown in fig. 1 and 2, a fan 5 and a fan bracket 7 are provided in the fan compartment, and the second heat dissipation module 2 is provided in a space between the fan 5 and the fan bracket 7. The air flow between the upper part of the fan 5 and the fan bracket 7 is smoother, and the heat dissipation capacity of the second heat dissipation module 2 is improved.
Optionally, the second heat dissipation module 2 is fixedly connected with the fan bracket 7. Optionally, a fixed connecting piece can be arranged on the surface of the second heat dissipation module 2, and the fixed connecting piece and the fan bracket 7 are welded, so that the connection stability of the second heat dissipation module 2 is improved.
Optionally, the outdoor unit of the air conditioner further comprises a frequency conversion module 6, and the first heat dissipation module 1 is in heat conduction contact with the frequency conversion module 6. The first heat dissipation module 1 is in contact with the lower surface of the high-power component of the frequency conversion module 6, and obtains heat of the high-power component to dissipate heat. Optionally, in order to avoid modification of the electric control box mold, the fixing manner of the first heat dissipation module 1 and the electric control box of the heat radiator may be installed from the lower part of the electric control box, for example, the lower end of the electric control box is provided with a hollowed-out part, the first fixing piece 15 and the second fixing piece 16 are placed in the corresponding installation position in the hollowed-out part of the electric control box, and then the first fixing piece 15, the second fixing piece 16, the electric control box and the substrate of the first heat dissipation module 1 are fixed in a spiral connection manner, so that the assembly is stable and convenient.
Optionally, part or all of the frequency conversion module 6 is provided in the nacelle. As shown in fig. 1, the soundproof plate divides the electric control box into two parts, the first part of the electric control box is disposed in the wind turbine nacelle, and the second part is disposed in the compression turbine nacelle. The frequency conversion module 6 is arranged at the first part of the electric control box and is in heat conduction contact with the first heat dissipation module 1. Optionally, the first heat dissipation module 1 is disposed in the fan nacelle, which is beneficial for the fan to dissipate heat of the first heat dissipation module.
As shown in fig. 3, a radiator of an air conditioner outdoor unit according to an 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 the working medium loop is filled with a phase-change working medium.
The radiator provided by the embodiment of the disclosure comprises two radiating modules, namely a first radiating module 1 and a second radiating module 2, and working medium flow paths are arranged in the two radiating modules. The working medium in the working medium flow path can transfer the 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 play a heat dissipation function at the same time, and the heat dissipation capacity of the radiator is improved. The heat dissipation capacity of the heat sink provided by the embodiment of the present disclosure is expressed as: when the environment temperature is 52 ℃, the existing radiator can be a non-integrated radiator when the existing radiator is used for radiating, the shell temperature of the high-power component is ninety degrees celsius and even exceeds 100 ℃, the radiator provided by the embodiment of the disclosure is used for cooling the frequency conversion module 6, and when the environment temperature is 52 ℃, the shell temperature of the high-power component is 72-82 ℃. Therefore, the radiator provided by the embodiment of the disclosure is 20-25 ℃ lower than the existing radiator for high-power components.
The frequency conversion module 6 of the air conditioner outdoor unit is provided with a plurality of high-power components, along with the miniaturization of the air conditioner outdoor unit and the requirement of diversification of functions of the air conditioner, the chip design of the air conditioner outdoor unit control module is more compact, the density of the components is continuously increased, and the volume of the components tends to be miniaturized. Therefore, the heating power consumption of the high-power components is larger and larger, and the heat flux density is increased sharply. In order to ensure the safety and reliability of the external machine electric control of the air conditioner, the heat dissipation performance of the frequency conversion module 6 is important. The existing method for improving the radiator of the frequency conversion module 6 of the outdoor unit of the air conditioner generally optimizes the body of the radiator, for example, increases the radiating area of the radiator by increasing the height of the fins, the number of the fins and the like, but because the space of the outdoor unit of the air conditioner is limited, the optimizing space of the body of the radiator is small, and the radiating capacity is limited. The embodiment of the disclosure provides a radiator with high heat dissipation capacity and two heat dissipation modules, which can timely dissipate heat generated by a frequency conversion module 6, and improves the reliability and stability of the operation of the frequency conversion module 6.
The method for radiating the frequency conversion module 6 by adopting the radiator provided by the embodiment of the disclosure may be: 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, the heat which is not dissipated is absorbed by working media in the first working media flow path, the working media are quickly vaporized after being heated and take away the heat, the working media enter the second working media flow path 25 of the second heat dissipation module 2 through the first pipeline 3, the second heat dissipation module 2 can conduct air cooling heat dissipation and natural convection at the same time, gas working media in the second working media flow path 25 dissipate the heat through the second heat dissipation module 2, after the temperature is reduced, the working media become liquid, and the liquid working media flow back into the first working media flow path of the first heat dissipation module 1 through the second pipeline 4 to conduct circulation that the next heat absorption and the heat change into gas state. Therefore, when the radiator provided by the embodiment of the disclosure is used for radiating the frequency conversion module 6, the frequency conversion module 6 can be radiated simultaneously through the first radiating module 1 and the second radiating module 2, so that the radiating capacity of the radiator is improved, the heat generated by the frequency conversion module 6 can be effectively dissipated, and the running reliability of the air conditioner is improved.
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 phase change working medium.
Optionally, the radiator provided by the embodiment of the disclosure may be prepared through preparation processes such as welding, vacuumizing, and pouring working medium. The kind of working medium is not particularly limited in this embodiment, and may be, for example, a fluid capable of undergoing phase change, such as a refrigerant. The present embodiment does not specifically limit the filling amount of the working medium in the working medium circuit.
Optionally, the working medium is sealed in the working medium loop. The sealing manner of the working medium in the first heat dissipation module 1 may be a sealing member as shown in fig. 7, 8 and 9, including: the first sealing element 17 and the second sealing element 18, specifically, the first sealing element 17 and the second sealing element 18 are both provided with a channel 171 for communicating a plurality of flow channels in the first working medium flow path, the gaseous working medium in the plurality of flow channels in the first working medium flow path can be converged through the through holes 172 and enter the first pipeline 3, and similarly, the liquid working medium in the second pipeline 4 can be split through the through holes in the second sealing element and enter the first working medium flow path. The first seal 17 and the second seal 18 may be connected to the base body of the first heat dissipating module 1 by soldering.
Optionally, the material of the first pipe 3 is metal, and similarly, the material of the second pipe 4 is metal.
As shown in fig. 4, a first heat dissipation module 1 of a heat dissipation device according to an embodiment of the present disclosure includes a first base 11 and a plurality of first heat dissipation members 12 disposed on the first base 11, and a first working fluid flow path is disposed in the first base 11.
The first heat dissipation module 1 provided by the embodiments of the present disclosure may also be referred to as an evaporation end. The first substrate 11 of the first heat dissipation module 1 and the plurality of first heat dissipation members 12 disposed on the first substrate 11 may be prepared by a preparation method of direct extrusion. The number and the structural size of the first heat dissipation members 12 are not particularly limited in the embodiment of the present disclosure, and may be set according to the size of the space where the first heat dissipation module 1 is located, for example. Alternatively, the pitches of the plurality of first heat dissipation members 12 disposed on the first substrate 11 may be unequal. Alternatively, the first heat dissipating member 12 may be a fin, and the fin may have a height of 30-50mm, i.e., a distance from the free end of the fin to the surface of the first substrate 11 is 30-50mm, and a thickness of 1.5mm.
Optionally, the heat conducting silicone grease or the attached heat conducting fin can be coated between the first heat dissipation module 1 and the frequency conversion module 6, so that contact thermal resistance between the first heat dissipation module 1 and the frequency conversion module 6 is reduced, heat from the frequency conversion module 6 is effectively received, and heat dissipation is performed. In order to improve the contact stability of the first heat dissipation module 1 and the frequency conversion module 6, one or more threaded holes 14 may be formed in the first base 11 of the first heat dissipation module 1, and the first heat dissipation module 1 and the frequency conversion module 6 are fixed in a threaded connection manner. Alternatively, the region of the first base 11 where the screw hole 14 is provided does not overlap with the region where the first heat dissipation member 12 is provided. In order to further improve the connection stability of the first heat dissipation module 1 and the frequency conversion module 6, the first heat dissipation module 1 is further provided with a fixing member, as shown in fig. 7 and 8, two ends of the first base 11 are provided with a first fixing member 15 and a second fixing member 16, and ends of the first sealing member 17 and the second sealing member 18 may be provided with a trapezoid structure 173, so that the cross-sectional structures of the first sealing member 17 and the second sealing member 18 are consistent with the cross-sectional structure of the first heat dissipation module 1, and by increasing the lengths of the first fixing member 15 and the second fixing member 16, the first base 11 and the first sealing member 17 and the second sealing member 18 may be fixed together with the electronic control box, and the sealing property of the contact part of the first heat dissipation module 1 and the electronic control box is ensured. In order to make the first fixing member 15 and the second fixing member 16 have better hair fixing effect, the materials of the first fixing member 15 and the second fixing member 16 may be metal, and optionally, the first fixing member 15 and the second fixing member 16 may be sheet metal structural members. The first fixing member 15 and the second fixing member 16 are provided with through holes for connecting the first base 11 and the electronic control box.
Optionally, the first working fluid flow path in the first heat dissipation module 1 is disposed in the first base 11. As shown in fig. 4, a first working fluid passage composed of a plurality of flow passages is provided in the first base 11. Optionally, in order to improve the heat dissipation capacity of the first heat dissipation module 1, the first substrate 11 is integrally formed with the first working fluid flow path. Alternatively, the region of the first base body 11 where the screw holes 14 are provided does not overlap with the region where the first working fluid flow path is provided. Optionally, in order to improve the temperature uniformity and heat carrying capacity of the first substrate 11 of the first heat dissipation module 1, the centralized heat source has better control capability, meanwhile, the local overheating phenomenon is eliminated, the working stability and reliability of the frequency conversion module 6 are improved, and the first working medium flow path at least comprises a first layer of working medium flow path 13 and a second layer of working medium flow path. As shown in fig. 4, the first working fluid flow path includes a first-layer working fluid flow path 13 partially framed by a dotted line and a second-layer working fluid flow path positioned below the first-layer working fluid flow path 13 not framed by a dotted line. Wherein, the first layer working medium flow path 13 is positioned on a first plane, the second layer working medium flow path is positioned on a second plane, and the first plane is parallel to the second plane.
Optionally, the second heat dissipation module 2 includes a second substrate, and the second working medium flow path 25 is disposed in the second substrate, so as to improve the heat dissipation capability of the second heat dissipation module 2, and the second substrate and the second working medium flow path 25 are integrally formed.
Alternatively, as shown in fig. 5 and 6, the second heat dissipation module 2 includes a second base body and a plurality of second heat exchange members 23 disposed on the second base body, and the second working fluid flow path 25 is disposed in the second base body.
The second heat dissipating module 2 provided by the embodiments of the present disclosure may also be referred to as a condensing end. Alternatively, the second substrate of the second heat dissipation module 2 may be a temperature equalizing plate, for example, an inflatable temperature equalizing plate, formed by laminating two layers of aluminum plates, and a second working medium flow path 25 that is mutually communicated is disposed inside. The second heat radiation module 2 provided with the second working medium flow path has the functions of the working medium flow path and the heat radiation fins, can perform natural convection and air cooling heat radiation at the same time, and has the advantages of high heat transfer capacity, high heat conductivity, light weight and the like. Optionally, in order to further improve the heat dissipation capacity of the second heat dissipation module 2, the second substrate of the second heat dissipation module 2 at least includes a first layer substrate 21 and a second layer substrate 22 that are communicated, a third layer of working medium flow path is disposed in the first layer substrate 21, a fourth layer of working medium flow path is disposed in the second layer substrate 22, and the third layer of working medium flow path is communicated with the fourth layer of working medium flow path. And the double-layer or multi-layer working medium flow path design in the second matrix improves the heat dissipation capacity of the second heat dissipation module 2. Alternatively, the two or more layers of the second substrate may be prepared by using only one temperature homogenizing plate, and folding the two or more layers into symmetrical layers from the middle position. Optionally, one or more fixing bolts are arranged between the first layer substrate 21 and the second layer substrate 22, so that the overall stability of the second base body is improved, and the stability of the distance between the first layer substrate 21 and the second layer substrate 22 is ensured. Optionally, a connection component is disposed on the second substrate of the second heat dissipation module 2, and is used for fixing the second heat dissipation module 2, where the connection component may be a clamping piece 24, and an installation position of the second heat dissipation module 2 may be on a fan bracket 7 of an outdoor unit of the air conditioner.
Optionally, the second substrate of the second heat dissipation module 2 is provided with a plurality of second heat dissipation members 23, and the shape of the second heat dissipation members 23 is not specifically limited in this embodiment, and may be, for example, rectangular, triangular winglets or the like. The plurality of second heat dissipation members 23 arranged on the temperature equalization plate can destroy the development of the boundary layer on the surface of the temperature equalization plate, enhance the disturbance degree of gas and improve the heat dissipation capacity of the second heat dissipation module 2. Alternatively, the second heat dissipation member 23 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.
Alternatively, as shown in fig. 6, the paths of the second working fluid flow paths 25 in the second heat dissipation module 2 may be formed by a plurality of mutually staggered pipes to form mutually communicated second working fluid flow paths 25. The embodiment of the present disclosure does not impose excessive restrictions on the specific path form of second working fluid flow path 25.
Optionally, in order to improve smooth flow of the working medium between the first heat dissipation module 1 and the second heat dissipation module 2, the first layer of working medium flow path 13 in the first substrate 11 of the first heat dissipation module 1 is located at a first horizontal plane, the second layer of working medium flow path is located at a second horizontal plane, the third layer of working medium flow path in the second substrate of the second heat dissipation module 2 is located at a third horizontal plane, the fourth layer of working medium flow path is located at a fourth horizontal plane, the first pipeline 3 is connected with the first layer of working medium flow path 13 and the third layer of working medium flow path, and the second pipeline 4 is connected with the second layer of working medium flow path and the fourth layer of working medium flow path. On the vertical direction, the arrangement of the first horizontal plane, the second horizontal plane, the third horizontal plane and the fourth horizontal plane from bottom to top is as follows: the second horizontal plane, the first horizontal plane, the fourth horizontal plane and the third horizontal plane, namely, the first layer of working medium flow path 13, the second layer of working medium flow path, the third layer of working medium flow path and the fourth layer of working medium flow path are arranged in sequence from bottom to top in the vertical direction: the second layer of working medium flow path, the first layer of working medium flow path 13, the fourth layer of working medium flow path and the third layer of working medium flow path. The height difference here may be formed by the first pipe 3 and the second pipe 4. Optionally, the first pipeline 3 includes a first branch, a second branch and a third branch that are sequentially communicated, the second branch makes the first branch form a height difference with the third branch, or the second pipeline 4 includes a fourth branch, a fifth branch and a sixth branch that are sequentially communicated, and the fifth branch makes the fourth branch form a height difference with the sixth branch.
The flow mode of the working medium in the working medium loop can be described as follows in combination with the phase change of the gas state and the liquid state of the working medium: the first heat dissipation module 1 receives heat from an object to be dissipated, working media in the first layer working medium flow path 13 and the second layer working medium flow path are subjected to heat change into gas, according to the principle that gas flows upwards, the gas state working media enter the third layer working medium flow path through the first pipeline 3, the temperature of the gas state working media in the third layer working medium flow path is reduced after heat dissipation, the gas state working media become liquid, flow into the fourth layer working medium flow path under the action of gravity, further flow into the second layer working medium flow path through the second pipeline 4, and the next heat absorption cycle is carried out.
The application also provides an air conditioner comprising the air conditioner outdoor unit.
The present invention is not limited to the structure that has 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 invention is limited only by the appended claims.
Claims (6)
1. An air condensing units, characterized by, including radiator and frequency conversion module, the radiator includes:
a first heat dissipation module in heat conduction contact with the frequency conversion module,
The second heat-dissipating module is provided with a heat-dissipating module,
A first pipeline, and
A second pipeline;
wherein the first heat dissipation module is provided with a first working medium flow path, the second heat dissipation module is provided with a second working medium flow path, the first working medium flow path and the second working medium flow path are communicated by adopting the first pipeline and the second pipeline,
The first working medium flow path, the second working medium flow path, the first pipeline and the second pipeline form a working medium loop, the working medium loop is filled with a phase change working medium,
One or more of the first heat radiation module and the second heat radiation module are arranged in a fan cabin of the air conditioner outdoor unit,
The first working medium flow path at least comprises a first layer working medium flow path and a second layer working medium flow path, a second substrate of the second heat dissipation module at least comprises a first layer substrate and a second layer substrate which are communicated, the first layer substrate and the second layer substrate are formed by folding a piece of temperature equalization plate from a middle position, a third layer working medium flow path is arranged in the first layer substrate, a fourth layer working medium flow path is arranged in the second layer substrate, the third layer working medium flow path is communicated with the fourth layer working medium flow path, the first layer working medium flow path in the first substrate of the first heat dissipation module is positioned at a first horizontal plane, the second layer working medium flow path is positioned at a second horizontal plane, the third layer working medium flow path in the second substrate of the second heat dissipation module is positioned at a third horizontal plane, the fourth layer working medium flow path is positioned at a fourth horizontal plane, the first pipeline is connected with the first layer working medium flow path and the third layer working medium flow path, and the second horizontal plane, and the third horizontal plane and fourth horizontal plane are sequentially arranged from bottom to top in the vertical direction: the second horizontal plane, the first horizontal plane, the fourth horizontal plane and the third horizontal plane, and the arrangement of the first layer of working medium flow path, the second layer of working medium flow path, the third layer of working medium flow path and the fourth layer of working medium flow path from bottom to top in the vertical direction is as follows: the second layer of working medium flow path, the first layer of working medium flow path, the fourth layer of working medium flow path and the third layer of working medium flow path, wherein the height difference can be formed by a first pipeline and a second pipeline.
2. The outdoor unit of claim 1, wherein the fan and the fan bracket are disposed in the fan compartment,
The second heat dissipation module is arranged in a space between the fan and the fan bracket.
3. The outdoor unit of claim 1, wherein the outdoor unit comprises,
The second heat dissipation module is fixedly connected with the fan bracket.
4. The outdoor unit of claim 1, wherein the outdoor unit comprises,
The frequency conversion module is arranged in the fan cabin.
5. The outdoor unit of claim 1, wherein the outdoor unit comprises,
The first heat dissipation module is arranged in the fan cabin.
6. An air conditioner comprising the air conditioner outdoor unit according to any one of claims 1 to 5.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910319882.0A CN109974137B (en) | 2019-04-19 | 2019-04-19 | Air conditioner outdoor unit and air conditioner |
| PCT/CN2020/071785 WO2020211489A1 (en) | 2019-04-19 | 2020-01-13 | Outdoor air-conditioning unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910319882.0A CN109974137B (en) | 2019-04-19 | 2019-04-19 | Air conditioner outdoor unit and air conditioner |
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| Publication Number | Publication Date |
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| CN109974137A CN109974137A (en) | 2019-07-05 |
| CN109974137B true CN109974137B (en) | 2024-05-17 |
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| CN201910319882.0A Active CN109974137B (en) | 2019-04-19 | 2019-04-19 | Air conditioner outdoor unit and air conditioner |
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| WO (1) | WO2020211489A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974137B (en) * | 2019-04-19 | 2024-05-17 | 青岛海尔智能技术研发有限公司 | Air conditioner outdoor unit and air conditioner |
| CN110030629A (en) * | 2019-04-19 | 2019-07-19 | 青岛海尔空调器有限总公司 | A kind of air-conditioner outdoor unit and air conditioner |
| CN110736157B (en) * | 2019-09-30 | 2022-04-19 | 青岛海尔空调器有限总公司 | Outdoor machine of air conditioner |
| CN110736153B (en) * | 2019-09-30 | 2022-06-14 | 重庆海尔空调器有限公司 | Outdoor machine of air conditioner |
| CN110736155B (en) * | 2019-09-30 | 2022-06-14 | 重庆海尔空调器有限公司 | Outdoor machine of air conditioner |
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| WO2020211489A1 (en) | 2020-10-22 |
| CN109974137A (en) | 2019-07-05 |
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