CN210014480U - Air conditioner outdoor unit and air conditioner - Google Patents

Abstract

The application discloses air condensing units and air conditioner, off-premises station include host computer, refrigerant radiator and converter. The refrigerant radiator is arranged on the host machine and is connected with the host machine through a refrigerant channel, and the refrigerant radiator is provided with at least one external reserved surface. The frequency converter is provided with at least one heat dissipation substrate and a power device installed on the heat dissipation substrate, the outer surface of the heat dissipation substrate is abutted to the reserved surface, and the frequency converter is detachably connected with the refrigerant radiator. The utility model provides an air condensing units and air conditioner is through addding a refrigerant radiator of being connected with the host computer to be provided with external reservation face on the refrigerant radiator, converter detachable installs on reservation face, when the converter damages when needing to be changed, only need with old converter follow reservation face from dismantle, again with new converter install on reservation face can, need not to break off the main refrigerant passageway on refrigerant channel on the refrigerant radiator and the host computer, it is convenient to maintain.

Description

Air conditioner outdoor unit and air conditioner

Technical Field

The application relates to the technical field of air conditioners, in particular to an air conditioner outdoor unit and an air conditioner.

Background

An important component of the variable frequency air conditioner is a frequency converter arranged on a host, a base plate of the frequency converter is provided with a refrigerant channel, and the refrigerant channel on the frequency converter is communicated with a main refrigerant channel on the host. When the frequency converter is damaged and replaced, a refrigerant channel and a main refrigerant channel on the frequency converter need to be disconnected, and a part of refrigerant needs to be placed, so that the maintenance is inconvenient.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides an air conditioner outdoor unit, which comprises a host, a refrigerant radiator and a frequency converter. The refrigerant radiator is installed on the host machine and connected with the host machine through a refrigerant channel, and at least one external reserved surface is arranged on the refrigerant radiator. The frequency converter is provided with at least one heat dissipation substrate and a power device mounted on the heat dissipation substrate, the outer surface of the heat dissipation substrate is abutted to the reserved surface, and the frequency converter is detachably connected with the refrigerant radiator.

In some embodiments, the heat dissipation substrate is a metal plate.

In some embodiments, a heat conducting material is disposed between the heat dissipating substrate and the prepared surface.

In some embodiments, the outdoor unit of an air conditioner further includes a reactor including a mounting plate; the mounting plate is abutted against the reserved surface; or the mounting plate is abutted against one surface of the heat dissipation substrate.

In some embodiments, the outdoor unit of an air conditioner further includes a reactor including a mounting plate; when the reactor is arranged on the reserved surface, a heat conduction material is arranged between the mounting plate and the reserved surface; or when the reactor is arranged on the heat dissipation substrate, a heat conduction material is arranged between the mounting plate and the heat dissipation substrate.

In some embodiments, the reserved surface comprises a first sub reserved surface and a second sub reserved surface connected with the first sub reserved surface, and the first sub reserved surface and the second sub reserved surface form an included angle; the radiating substrate comprises a first radiating sub-substrate and a second radiating sub-substrate connected with the first radiating sub-substrate, and the first radiating sub-substrate and the second radiating sub-substrate form an included angle; the first sub heat dissipation substrate is abutted with the first sub reserved surface, and the second sub heat dissipation substrate is abutted with the second sub reserved surface.

In some embodiments, the power device is disposed on both the first heat-spreading sub-substrate and the second heat-spreading sub-substrate.

In some embodiments, the outdoor unit of the air conditioner further includes a reactor, at least one of the first sub heat dissipation substrate, the second sub heat dissipation substrate, and the reserved surface is provided with the reactor, and the reactor is arranged in the frequency converter; or/and the reactor is arranged outside the frequency converter.

In some embodiments, the number of the frequency converters is multiple, the number of the reserved surface is one, and multiple frequency converters are installed on the reserved surface; or the number of the frequency converters is multiple, the number of the reserved surfaces is multiple, the frequency converters correspond to the reserved surfaces one by one, and each frequency converter is installed on the corresponding reserved surface; or the number of the frequency converters is multiple, the number of the reserved surfaces is multiple, and at least one reserved surface is provided with a plurality of frequency converters.

The application also provides an air conditioner, which comprises the air conditioner outdoor unit of any of the above embodiments.

The utility model provides an air condensing units and air conditioner is through addding a refrigerant radiator of being connected with the host computer to be provided with external reservation face on the refrigerant radiator, converter detachable installs on reservation face, when the converter damages when needing to be changed, only need with old converter follow reservation face from dismantle, again with new converter install on reservation face can, need not to break off the main refrigerant passageway on refrigerant channel on the refrigerant radiator and the host computer, it is convenient to maintain. Moreover, the outer surface of the heat dissipation substrate of the frequency converter is abutted to the reserved surface, so that the heat dissipation of the frequency converter is facilitated, and the normal work of the frequency converter is ensured.

Additional aspects and advantages of embodiments of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of embodiments of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an assembly structure view of an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 2 is a plan view of the outdoor unit of the air conditioner shown in fig. 1;

fig. 3 is an exploded view of the outdoor unit of the air conditioner shown in fig. 1;

fig. 4 is a plan view of an outdoor unit of an air conditioner according to another embodiment of the present application;

fig. 5 is an assembly structure view of an outdoor unit of an air conditioner according to still another embodiment of the present invention;

fig. 6 is a plan view of another example of the outdoor unit of the air conditioner according to the embodiment of the present application;

fig. 7 is an assembly structure view of an outdoor unit of an air conditioner according to still another embodiment of the present invention;

fig. 8 is an exploded view of the outdoor unit of the air conditioner shown in fig. 7;

fig. 9 is an assembly structure view of an outdoor unit of an air conditioner according to still another embodiment of the present invention;

fig. 10 is a plan view of the outdoor unit of the air conditioner shown in fig. 9;

fig. 11 is an assembly structure view of an outdoor unit of an air conditioner according to still another embodiment of the present invention;

fig. 12 is an assembly structure view of an outdoor unit of an air conditioner according to still another embodiment of the present invention;

fig. 13 is an assembly structure view of an outdoor unit of an air conditioner according to still another embodiment of the present invention;

fig. 14 is an exploded view of the outdoor unit of the air conditioner shown in fig. 13;

fig. 15 is an assembly structure view of an outdoor unit of an air conditioner according to still another embodiment of the present invention;

fig. 16 is an exploded view of the outdoor unit of the air conditioner shown in fig. 15;

fig. 17 is an assembly structure view of an outdoor unit of an air conditioner according to still another embodiment of the present invention;

fig. 18 is a plan view of the outdoor unit of the air conditioner shown in fig. 17;

fig. 19 is an assembly structure diagram of the air conditioner of the present embodiment.

Description of the main element symbols: the air conditioner comprises an air conditioner 1000, an air conditioner outdoor unit 100, a host machine 10, a refrigerant radiator 20, a body 22, a reserved surface 24, a first sub reserved surface 242, a second sub reserved surface 244, a refrigerant channel 30, a frequency converter 40, a heat dissipation substrate 42, an inner surface 422, an outer surface 424, a first sub heat dissipation substrate 422, a second sub heat dissipation substrate 424, a power device 44, a shell 46, a reactor 50, a mounting plate 52, a first sub mounting plate 522, a second sub mounting plate 524, a main body 54, a heat conduction material 60 and an indoor unit 700.

Detailed Description

Embodiments of the present application will be further described below with reference to the accompanying drawings. The same or similar reference numbers in the drawings identify the same or similar elements or elements having the same or similar functionality throughout.

In addition, the embodiments of the present application described below in conjunction with the accompanying drawings are exemplary and are only for the purpose of explaining the embodiments of the present application, and are not to be construed as limiting the present application.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1 to 3, an outdoor unit 100 of an air conditioner according to the present invention includes a main unit 10, a refrigerant radiator 20, and an inverter 40. The refrigerant radiator 20 is installed on the main unit 10, the refrigerant radiator 20 is connected with the main unit 10 through a refrigerant channel 30, and the refrigerant radiator 20 is provided with at least one outward reserved surface 24. The inverter 40 is provided with at least one heat dissipation substrate 42 and a power device 44 mounted on the heat dissipation substrate 42, an outer surface 424 of the heat dissipation substrate 42 is abutted against the reserved surface 24, and the inverter 40 is detachably connected with the refrigerant radiator 20.

The utility model provides an air condensing units 100 is through addding a refrigerant radiator 20 of being connected with host computer 10, and be provided with external reservation face 24 on refrigerant radiator 20, converter 40 detachable installs on reservation face 24, when converter 40 damages and need change, only need dismantle old converter 40 from reservation face 24, again with new converter 40 install on reservation face 24 can, need not to break off the main refrigerant passageway on refrigerant passageway 30 and the host computer 10 on the refrigerant radiator 20, it is convenient to maintain. Moreover, the outer surface 424 of the heat dissipation substrate 42 of the frequency converter 40 is abutted against the reserved surface 24, so that heat dissipation of the frequency converter 40 is facilitated, and the frequency converter 40 can normally work.

More specifically, referring to fig. 1 to 3, in one embodiment, an outdoor unit 100 of an air conditioner includes a main unit 10, a refrigerant radiator 20, and an inverter 40.

The main unit 10 includes a main refrigerant pipe (not shown) connected to the compressor (not shown), the main refrigerant pipe being used to transmit a refrigerant, and the compressor being used to compress and transport the refrigerant.

The refrigerant radiator 20 includes a main body 22 and a refrigerant pipe (not shown) disposed in the main body 22. Body 22 includes at least one outward facing reserved surface 24. The refrigerant heat sink 20 may be directly connected to the main unit 10, for example, one surface of the refrigerant heat sink 20 directly abuts against a surface of the main unit 10, that is, the refrigerant heat sink 20 is directly and fixedly mounted on the main unit 10 (not shown); alternatively, as shown in fig. 1, the refrigerant radiator 20 may be indirectly connected to the main unit 10, for example, the refrigerant radiator 20 is connected to the main unit 10 through a refrigerant channel 30, and specifically, the refrigerant pipe in the main body 24 is connected to the main refrigerant pipe in the main unit 10 through the refrigerant channel 30. The number of the outward reserved surfaces 24 may be one or more (two or more), and in this embodiment, the number of the reserved surfaces 24 is one.

The inverter 40 is used for controlling and adjusting the frequency of the compressor, and the inverter 40 is detachably connected with the refrigerant radiator 20. Specifically, the inverter 40 includes a heat dissipation substrate 42 and a power device 44 mounted on the heat dissipation substrate 42.

The heat dissipation substrate 42 may be a solid metal plate with high thermal conductivity, such as copper, aluminum, iron, etc. Adjusting the thickness of the metal plate can adjust the heat capacity on the heat dissipation path of the power device 44, and increasing the thickness of the metal plate can increase the heat capacity on the heat dissipation path. The heat-dissipating substrate 42 includes an inner surface 422 and an outer surface 424 opposite the inner surface 422. The heat dissipating substrate 42 is mounted on the refrigerant heat sink 20 so that the entire inverter 40 is detachably connected to the refrigerant heat sink 20, specifically, the heat dissipating substrate 42 may be detachably mounted on the refrigerant heat sink 20 by a screw connection, a snap fit, or the like, and at this time, the outer surface 424 abuts against the reserved surface 24. In some examples the thickness of the metal plate is 2 mm to 5 mm. In other embodiments, the heat dissipation substrate 42 may be a non-metallic material with high thermal conductivity, such as graphene, graphite, high thermal conductivity carbon fiber, and the like.

The power device 44 is mounted on the inner surface 422 of the heat-dissipating substrate 42, and the power device 44 includes various components constituting a circuit, such as a capacitor, an inductor, and a resistor. The heat generated by the power device 44 during operation can be directly dissipated through the heat dissipating substrate 42, or a portion of the heat can be dissipated through the heat dissipating substrate 42, and another portion of the heat is conducted to the refrigerant heat sink 20 through the heat dissipating substrate 42, and then is cooled and dissipated by the refrigerant in the refrigerant heat sink 20. The number of the frequency converter 40 may be one or plural (two or more). In the present embodiment, the number of the frequency converters 40 is one.

The utility model provides an air condensing units 100 is through addding a refrigerant radiator 20 of being connected with host computer 10, and be provided with external reservation face 24 on refrigerant radiator 20, converter 40 detachable installs on reservation face 24, when converter 40 damages and need change, only need dismantle old converter 40 from reservation face 24, again with new converter 40 install on reservation face 24 can, need not to break off the main refrigerant passageway on refrigerant passageway 30 and the host computer 10 on the refrigerant radiator 20, it is convenient to maintain. Moreover, the outer surface 424 of the heat dissipation substrate 42 of the frequency converter 40 is abutted against the reserved surface 24, so that heat dissipation of the frequency converter 40 is facilitated, and the frequency converter 40 can normally work.

Referring to fig. 4, in some embodiments, a heat conductive material 60, such as a heat conductive silicone grease, a heat conductive silicone gasket, a heat conductive phase change material, etc., may be disposed between the heat dissipation substrate 42 and the reserved surface 24. The heat dissipation substrate 42 and the reserved surface 24 are connected through the heat conduction material 60, so that heat on the heat dissipation substrate 42 can be more quickly conducted to the reserved surface 24, and is cooled and dissipated by the refrigerant in the refrigerant radiator 20.

In some examples, there are 1 reserved surface 24 of the refrigerant radiator 20, a plurality of (two or more than two) inverters 40, and a plurality of inverters 40 are mounted on the reserved surface 24 (see fig. 5). In other examples, there are a plurality of reserved surfaces 24 of the refrigerant radiator 20, a plurality of inverters 40 are provided, the inverters 40 correspond to the reserved surfaces 24 one by one, and the inverters 40 are correspondingly installed on the reserved surfaces 24 (see fig. 6). In still other examples, there are a plurality (two or more) of reserved surfaces 24, a plurality (two or more) of frequency converters 40, and a plurality (two or more) of frequency converters 40 (not shown) are mounted on each reserved surface 24.

Referring to fig. 1 to 3, in some embodiments, the outdoor unit 100 of the air conditioner may further include a reactor 50, and the reactor 50 is electrically connected to the frequency converter 40, and is used for stabilizing voltage, filtering harmonic waves in a power grid, and protecting the frequency converter 40. The reactor 50 may be mounted on the reserved surface 24. The reactor 50 includes a mounting plate 52 and a main body 54, and the main body 54 is mounted on the mounting plate 52. The reactor 50 is mounted on the prepared surface 24 through the opposite outer plane of the mounting plate 52. In other embodiments, the opposite outer plane of the mounting plate 52 may also be mounted to the inner surface 422 of the heat sink substrate 42 (as shown in fig. 5, 7, 8); in yet another embodiment, the opposite outer surface of the mounting plate 52 can also be mounted on the outer surface 424 of the heat dissipating substrate 42 (see fig. 9 and 10). There are one or more (two or more) reactors 50, and in the present embodiment, the number of reactors 50 is one.

Referring to fig. 4, in some embodiments, when the mounting plate 52 of the reactor 50 is mounted on the reserved surface 24, a heat conducting material 60, such as heat conducting silicone grease, a heat conducting silicone gasket, a heat conducting phase change material, or the like, may be disposed between the mounting plate 52 and the reserved surface 24. The mounting plate 52 and the reserved surface 24 are connected through the heat conducting material 60, so that heat on the mounting plate 52 can be more quickly conducted to the reserved surface 24, and is cooled and dissipated by the refrigerant in the refrigerant radiator 20.

In some examples, there are a plurality of (two or more) frequency converters 40, there are 1 reactor 50, and the reactor 50 may be mounted on the reserved surface 20, or may be mounted on the inner surface 422 or the outer surface 424 of the heat dissipation substrate 20 of one of the frequency converters 40, and the plurality of frequency converters 40 share one reactor 50. In other examples, there are a plurality of (two or more) frequency converters 40, a plurality of (two or more) reactors 50, the frequency converters 40 and the reactors 50 correspond to each other one by one, and each frequency converter 40 is connected to one reactor 50, in this case, the reactor 50 may be mounted on the reserved surface 24, or may be mounted on the inner surface 422 or the outer surface 424 of the heat dissipation substrate 42 corresponding to the frequency converter 40.

Referring to fig. 11, in some embodiments, the reserved surface 24 of the refrigerant radiator 20 includes a first sub reserved surface 242 and a second sub reserved surface 244 connected to the first sub reserved surface 242, and the first sub reserved surface 242 and the second sub reserved surface 244 form an included angle. The included angle formed by the first sub reserved surface 242 and the second sub reserved surface 244 may be concave inward or convex outward. In this way, the area of the reserved surface 24 can be increased, and the heat radiation area of the refrigerant radiator 20 can be increased. The first sub reserved surface 242 and the second sub reserved surface 244 may be formed by providing a thickened boss on the outer surface 424 of the refrigerant radiator 20, the thickened boss is recessed to form the first sub reserved surface 242 and the second sub reserved surface 244 (see fig. 11), or the refrigerant radiator 20 is directly bent to form the first sub reserved surface 242 and the second sub reserved surface 244 (see fig. 12).

With continued reference to fig. 11, in some examples, the first sub reserved surface 242 and the second sub reserved surface 244 are both provided with the frequency converter 40 and the reactor 50. Taking first sub-reserved surface 244 as an example, heat dissipation substrate 42 of inverter 40 abuts on first sub-reserved surface 242, and reactor 50 is also mounted on first sub-reserved surface 242. Alternatively, the heat dissipation substrate 42 of the inverter 40 abuts on the first sub-prepared surface 242, and the reactor 50 is mounted on the inner surface 422 or the outer surface 424 of the heat dissipation substrate 42 (not shown). The frequency converter 40 may have one or more (two or more) frequency converters, and the reactor 50 may have one or more (two or more) frequency converters.

Referring to fig. 13 and 14, in some embodiments, the heat dissipating substrate 42 includes a first sub heat dissipating substrate 426 and a second sub heat dissipating substrate 428 connected to the first sub heat dissipating substrate 426, and the first sub heat dissipating substrate 426 and the second sub heat dissipating substrate 428 form an included angle; the included angle formed by the first sub heat dissipation substrate 426 and the second sub heat dissipation substrate 428 matches the included angle formed by the first sub reserved surface 242 and the second sub reserved surface 244. The included angle can be set according to requirements and can be 60 degrees, 90 degrees, 120 degrees and the like. The inner surfaces 422 of the first and second sub heat dissipation substrates 426 and 428 are each provided with the power device 44.

The first sub heat dissipation substrate 426 abuts against the first sub-reserved surface 242, and the second sub heat dissipation substrate 428 abuts against the second sub-reserved surface 244. The reactor 50 may be mounted on the inner surface 422 of one or both of the first sub heat dissipation substrate 426 and the second sub heat dissipation substrate 428; in other embodiments, the reactor 50 may also be mounted on the outer surface 424 of one or both of the first sub heat dissipation substrate 426 and the second sub heat dissipation substrate 428 (see fig. 15 to 18); in other embodiments, reactor 50 may also be mounted on one or both of first sub reserved surface 242 and second sub reserved surface 244 (not shown). The number of the frequency converter 40 and the reactor 50 may be one or more, and may be set according to needs, for example, the frequency converter 40 may have 1, 2, 3, 4, 5 or more, and the reactor 50 may have 1, 2, 3, 4, 5 or more. In the present embodiment, there are one inverter 40 and two reactors 50.

In some examples, two or more frequency converters 40 are mounted along the first sub-reserved surface 242 and

the intersecting lines where the second sub reserved surfaces 244 intersect are arranged at intervals, for example, there may be 2, 3, 4, 5 or more frequency converters 40. There are 1 reactor 50, and the reactor 50 is mounted on the first sub-reserved surface 242 or the second sub-reserved surface 244, or on the first sub-heat dissipation substrate 426 or the second sub-heat dissipation substrate 428 of one of the inverters 40. In other embodiments, the number of reactors 50 corresponds to the number of frequency converters 40, and the reactors 50 are mounted on the first sub reserved surface 242 or the second sub reserved surface 244, or the reactors 50 are mounted on the first sub heat dissipation substrate 426 or the second sub heat dissipation substrate 428 corresponding to the frequency converters 40.

With continued reference to fig. 15 and 16, in some embodiments, the mounting plate 52 of the reactor 50 includes a first sub-mounting plate 522 and a second sub-mounting plate 524 connected to the first sub-mounting plate 522, and the first sub-mounting plate 522 and the second sub-mounting plate 524 form an included angle. The first sub-mount plate 522 abuts the first sub-reserved surface 242, and the second sub-mount plate 524 abuts the second sub-reserved surface 244. There may be one or more (two or more) reactors 50, and in this embodiment, there are 1 reactor 50 and 1 frequency converter 40.

In some examples, the first sub-mounting board 522 abuts the outer surface 424 of the first sub-heatsink substrate 426, and the second sub-mounting board 524 abuts the outer surface 424 of the second sub-heatsink substrate 428 (not shown). In other examples, the first sub-mounting plate 522 abuts the inner surface 422 of the first sub-heatsink substrate 426, and the second sub-mounting plate 524 abuts the inner surface 422 of the second sub-heatsink substrate 428 (not shown). With reference to fig. 15 and fig. 16, there are 1 reactor 50 and 1 frequency converter 40, but in other examples, there may be two or more frequency converters 40 and two or more reactors 50, in which case, the frequency converters 40 and the reactors 50 are arranged at intervals along an intersection line where the first sub-reserved surface 242 and the second sub-reserved surface 244 intersect, the first sub-mounting plate 522 of each reactor 50 abuts against the first sub-reserved surface 222, and the second sub-mounting plate 524 of each reactor 50 abuts against the second sub-reserved surface 244. The number of frequency converters 40 corresponds to the number of reactors 50, one reactor 50 being used for each frequency converter 40.

Referring to fig. 19, the present application further provides an air conditioner 1000 including the outdoor unit 100 and the indoor unit 700 of any of the above embodiments.

The air condensing units 100 of air conditioner 1000 of this application is through addding a refrigerant radiator 20 of being connected with host computer 10, and be provided with external reservation face 24 on refrigerant radiator 20, converter 40 detachable installs on reservation face 24, when converter 40 damages and need change, only need dismantle old converter 40 from reservation face 24, again with new converter 40 install on reservation face 24 can, need not to break off refrigerant passageway 30 on refrigerant radiator 20 and the main refrigerant passageway on the host computer 10, it is convenient to maintain. Moreover, the outer surface 424 of the heat dissipation substrate 42 of the frequency converter 40 is abutted against the reserved surface 24, so that heat dissipation of the frequency converter 40 is facilitated, and the frequency converter 40 can normally work.

In the description herein, reference to the description of the terms "certain embodiments," "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present application, "a plurality" means at least two, e.g., two, three, unless specifically limited otherwise.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art within the scope of the present application, which is defined by the claims and their equivalents.

Claims (10)

1. An outdoor unit of an air conditioner, comprising:

a host;

the refrigerant radiator is arranged on the host machine and is connected with the host machine through a refrigerant channel, and the refrigerant radiator is provided with at least one outward reserved surface; and

the frequency converter is provided with at least one heat dissipation substrate and a power device mounted on the heat dissipation substrate, the outer surface of the heat dissipation substrate is abutted to the reserved surface, and the frequency converter is detachably connected with the refrigerant radiator.

2. The outdoor unit of claim 1, wherein the heat-radiating base plate is a metal plate.

3. The outdoor unit of claim 1, wherein a heat conductive material is disposed between the heat dissipation substrate and the prepared surface.

4. The outdoor unit of claim 1, further comprising a reactor, the reactor comprising a mounting plate;

the mounting plate is abutted against the reserved surface; or

The mounting plate is abutted against one surface of the heat dissipation substrate.

5. The outdoor unit of claim 1, further comprising a reactor, the reactor comprising a mounting plate;

when the reactor is arranged on the reserved surface, a heat conduction material is arranged between the mounting plate and the reserved surface; or

When the reactor is arranged on the heat dissipation substrate, a heat conduction material is arranged between the mounting plate and the heat dissipation substrate.

6. The outdoor unit of any one of claims 1 to 3, wherein the reserved surface comprises a first sub reserved surface and a second sub reserved surface connected with the first sub reserved surface, and the first sub reserved surface and the second sub reserved surface form an included angle;

the radiating substrate comprises a first radiating sub-substrate and a second radiating sub-substrate connected with the first radiating sub-substrate, and the first radiating sub-substrate and the second radiating sub-substrate form an included angle;

the first sub heat dissipation substrate is abutted with the first sub reserved surface, and the second sub heat dissipation substrate is abutted with the second sub reserved surface.

7. The outdoor unit of claim 6, wherein the power devices are disposed on the first sub heat dissipation substrate and the second sub heat dissipation substrate.

8. The outdoor unit of claim 7, further comprising a reactor, wherein the reactor is provided on at least one of the first sub heat-dissipating substrate, the second sub heat-dissipating substrate, and the reserved surface,

the reactor is arranged in the frequency converter; or/and

the reactor is arranged outside the frequency converter.

9. The outdoor unit of claim 1, wherein,

the number of the frequency converters is multiple, the number of the reserved surface is one, and the frequency converters are arranged on the reserved surface; or

The number of the frequency converters is multiple, the number of the reserved surfaces is multiple, the frequency converters correspond to the reserved surfaces one by one, and each frequency converter is installed on the corresponding reserved surface; or

The number of the frequency converters is multiple, the number of the reserved surfaces is multiple, and at least one reserved surface is provided with a plurality of frequency converters.

10. An air conditioner characterized by comprising the outdoor unit of an air conditioner according to any one of claims 1 to 9.

Images