CN213208038U

CN213208038U - Outdoor unit of air conditioner

Info

Publication number: CN213208038U
Application number: CN202021984957.1U
Authority: CN
Inventors: 徐亚男; 李小蕊; 丛辉; 禹志强
Original assignee: Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Current assignee: Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-05-14
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses an outdoor unit of air conditioner, be equipped with first installation space and the second installation space of arranging from top to bottom in the casing, be equipped with the fan on the wall that encloses into first installation space, gas in the second installation space flows to first installation space under the effect of fan, the electrical apparatus box is located in the second installation space, be equipped with first air intake and first air outlet on the wall of electrical apparatus box, be formed with the wind-guiding passageway in the wind-guiding subassembly, the one end and the first air outlet intercommunication of wind-guiding passageway, the other end and the first installation space intercommunication of wind-guiding passageway, gas in the electrical apparatus box flows into first installation space through the wind-guiding passageway. The air guide assembly is communicated with the open space of the upper layer and an electrical box arranged in the lower layer space, so that the heat dissipation effect of the electrical box is improved, the temperature rise is reduced, the service life of the electrical box is prolonged, and the operation reliability of the unit is improved.

Description

Outdoor unit of air conditioner

Technical Field

The utility model relates to an air conditioner technical field especially relates to an outer machine of air-conditioner with electrical apparatus box heat radiation structure.

Background

In the air source heat pump unit with the unit structure of an upper layer and a lower layer, the upper layer is provided with a fan motor and a heat exchanger, and the lower layer is provided with system components such as a compressor, a gas-liquid separator and the like and an electrical system. In order to reduce air quantity loss and increase unit aesthetic property, the upper layer is designed into an open environment, and the lower layer is a closed environment. The closed structure of the lower layer causes the temperature rise of the electric appliance box to be too high, and the service life of the electric appliance box and the operation reliability of the unit are reduced. Aiming at the problem of overhigh temperature rise of the electric appliance box, the following solutions are provided:

(1) a water receiving tray is omitted, the upper heat exchanger is changed from a U shape to a V shape, and wind around the electric appliance box can be directly sucked away by the upper fan, so that the purpose of cooling the electric appliance box is achieved. The disadvantages are as follows: the appearance is not pleasing to the eye than the U type, and on the spare part of cancellation water collector back comdenstion water and rainwater directly flow to the lower floor easily, has spare part inefficacy risk.

(2) The environmental temperature of the unit operation is reduced, for example, the ring temperature is reduced from 48 ℃ at most to 43 ℃, and the operation range of the whole unit is reduced. And once the actual use temperature of a user exceeds 43 ℃ (for example, the roof is exposed to intense sunlight in summer, and the local temperature easily exceeds 43 ℃), the service life of the electric control component is influenced and the fault rate of the whole machine is increased due to the fact that the unit has no reliable cooling measures.

(3) The electric appliance box is cooled by adopting a cooling fan, a radiator, a refrigerant cooling module and the like, and the temperature requirement can be met. But the problems of long service life of the cooling fan and complex mode control exist, and the instability of the unit operation is increased due to the risks of long service life of the fan, filth blockage, salt mist corrosion and the like; how to solve the substrate condensation problem in the refrigerant heat dissipation module mode control, increase the control complexity thereof, also can increase the fault rate of unit.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

Disclosure of Invention

To the problem pointed out in the background art, the utility model provides an outer machine of air-conditioner will locate the electrical apparatus box in the lower floor's space and the open space intercommunication on upper strata through air guide component, improves the radiating effect of electrical apparatus box, reduces the temperature rise, improves the life of electrical apparatus box and the operational reliability of unit.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

in some embodiments of the present application, there is provided an outdoor unit of an air conditioner, including:

a housing having a first installation space and a second installation space arranged up and down therein;

the fan is arranged on the wall which encloses the first installation space, and the gas in the second installation space flows to the first installation space under the action of the fan;

the electrical box is arranged in the second mounting space, and a first air inlet and a first air outlet are formed in the wall of the electrical box;

the air guide assembly is internally provided with an air guide channel, one end of the air guide channel is communicated with the first air outlet, the other end of the air guide channel is communicated with the first installation space, and gas in the electrical appliance box flows into the first installation space through the air guide channel.

In some embodiments of the present application, a water pan is disposed in the housing, and the water pan divides an internal space of the housing into the first installation space and the second installation space which are arranged up and down;

the air guide assembly comprises a first air guide piece and a second air guide piece, a first air guide channel is formed in the first air guide piece, a second air guide channel is formed in the second air guide piece, and the first air guide channel is communicated with the second air guide channel;

the first air guide piece is arranged on the water receiving tray, a second air outlet is formed in the first air guide piece, and the second air outlet is communicated with the first installation space;

the second air guide piece is arranged in the second installation space, a second air inlet is formed in the second air guide piece, and the second air inlet is communicated with the first air outlet.

In some embodiments of the present application, the first air guide includes an upper cover and a lower cover, the upper cover and the lower cover are buckled to form the first air guide channel and the second air outlet, and the second air outlet is formed in a side surface of the first air guide.

In some embodiments of the present application, the upper cover is provided with a first bent baffle, and the first bent baffle is located outside the second air outlet and has a certain ventilation gap with the second air outlet.

In some embodiments of the present application, be equipped with the second baffle of buckling on the lower cover, the second baffle of buckling is located the downside of second air outlet, the second buckle the baffle with form ventilation gap between the lateral wall of lower cover.

In some embodiments of the present application, the second air guide includes a vertical portion and a horizontal portion, the second air inlet is provided in a side surface of the vertical portion, the vertical portion is fixedly connected to a side wall of the electrical box, and a bottom surface of the horizontal portion is abutted to a top surface of the electrical box.

In some embodiments of the present application, the bottom of the horizontal portion is provided with a folded edge extending upward.

In some embodiments of the present application, a drain hole is formed at the bottom of the vertical portion.

In some embodiments of the present application, the first air inlet and the first air outlet are obliquely and oppositely disposed on two opposite side walls of the electrical box, the first air outlet is disposed close to the upper portion, and the first air inlet is disposed close to the lower portion.

In some embodiments of the present application, the first air inlet and the first air outlet are respectively provided with a shutter baffle.

Compared with the prior art, the utility model discloses an advantage is with positive effect:

in the outdoor unit of air conditioner disclosed in the application, will locate the electrical apparatus box in the second installation space of lower floor and the first installation space intercommunication on upper strata through wind-guiding component, under the effect of fan, gas in the second installation space flows into inside the electrical apparatus box through first air intake, again through first air outlet flow in the wind-guiding passageway, again along wind-guiding passageway flow direction second air outlet, again through the second air outlet flow in first installation space, at last through the fan outflow. The gas flows through the inside of the electric appliance box and takes away the heat, thereby greatly improving the heat dissipation efficiency and the heat dissipation effect of the electric appliance box, reducing the temperature rise, and improving the service life of the electric appliance box and the operation reliability of the unit.

The air conditioner outdoor unit provided with the air guide assembly can operate at higher ambient temperature, and the operation range of the unit is expanded.

The air guide assembly is a sheet metal part, and is simple in structure, convenient to process and low in cost.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic view illustrating a structure of an outdoor unit for an air conditioner according to an embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of gas flow within an embodiment;

fig. 4 is a schematic structural view of a first wind guide according to an embodiment;

fig. 5 is an exploded view of a first wind guide according to an embodiment;

fig. 6 is a schematic structural view of a second wind guide according to the embodiment;

fig. 7 is an exploded view of a second wind guide according to the embodiment;

fig. 8 is a schematic structural diagram of an appliance box according to an embodiment.

Reference numerals:

10-a housing, 11-a first installation space, 12-a second installation space;

20-an electrical box, 21-a first air inlet, 22-a first air outlet and 23-a shutter baffle;

30-an air guide assembly, 31-a first air guide component, 311-an upper cover, 312-a lower cover, 313-a first bent baffle, 314-a second bent baffle, 315-a ventilation gap, 316-a ventilation hole, 317-a second air outlet, 32-a second air guide component, 321-a vertical part, 322-a horizontal part, 323-a second air inlet, 324-a folding edge and 325-a water drainage hole;

40-a heat exchanger;

50-a water pan;

60-a fan.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

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 one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Basic operation principle of air conditioner

The air conditioner performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation.

The outdoor unit of the air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor unit or the outdoor unit.

The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in a cooling mode.

Outdoor unit of air conditioner

Referring to fig. 1 and 2, the outdoor unit of an air conditioner in this embodiment has a structure of an upper and lower layer arrangement, and includes a housing 10, a first installation space 11 and a second installation space 12 are disposed in the housing 10, and the first installation space 11 is located above the second installation space 12.

In this embodiment, a water pan 50 is disposed in the casing 10, and the water pan 50 divides the internal space of the casing 10 into a first installation space 11 and a second installation space 12 which are vertically arranged.

A heat exchanger 40, preferably a U-shaped heat exchanger, is disposed in the first installation space 11, and the heat exchanger 40 is disposed on the water pan 50.

The wall enclosing the first installation space 11 is provided with a fan 60, the fan 60 preferably being provided on the top wall of the first installation space 11. The air in the second installation space 12 flows to the first installation space 11 by the fan 60.

An electrical box 20 is disposed in the second installation space 12, and a first air inlet 21 and a first air outlet 22 are disposed on a wall of the electrical box 20. The air in the second installation space 12 flows into the electrical box 20 through the first air inlet 21 and flows out through the first air outlet 22.

The outdoor unit of an air conditioner in this embodiment further includes a wind guide assembly 30, a wind guide channel (not shown) is formed inside the wind guide assembly 30, one end of the wind guide channel is communicated with the first air outlet 22, and the other end of the wind guide channel is communicated with the first installation space 11. The air in the electrical box 20 flows into the air guiding channel through the first air outlet 22, and then flows into the first installation space 11 along the air guiding channel.

Referring to fig. 3, the outdoor unit of the air conditioner in this embodiment communicates the electrical box 20 disposed in the lower second installation space 12 with the upper first installation space 11 through the air guiding assembly 30, and under the action of the fan 60, air in the second installation space 12 flows into the electrical box 20 through the first air inlet 21, flows into the air guiding channel through the first air outlet 22, flows into the first installation space 11 along the air guiding channel, and finally flows out through the fan 60.

The gas flows through the inside of the electrical box 20 and takes away the heat, thereby greatly improving the heat dissipation efficiency and the heat dissipation effect of the electrical box 20, reducing the temperature rise, and improving the service life of the electrical box 20 and the operation reliability of the unit.

The outdoor unit of the air conditioner provided with the air guide assembly 30 can operate at a higher ambient temperature, and the operation range of the unit is expanded.

The air guide assembly 30 is a sheet metal part, and has the advantages of simple structure, convenience in processing and low cost.

Air guide assembly

In some embodiments of the present application, referring to fig. 2, the wind guiding assembly 30 includes a first wind guiding member 31 and a second wind guiding member 32, a first wind guiding channel (not labeled) is formed in the first wind guiding member 31, a second wind guiding channel (not labeled) is formed in the second wind guiding member 32, and the first wind guiding channel is communicated with the second wind guiding channel.

The first air guide 31 is fixedly arranged on the water pan 50, a second air outlet 317 is arranged on the first air guide 31, and the second air outlet 317 is communicated with the first installation space 11.

The second air guiding element 32 is disposed in the second installation space 12, a second air inlet 323 is disposed on the second air guiding element 32, and the second air inlet 323 is communicated with the first air outlet 22.

An opening (not labeled) is correspondingly formed on the water pan 50 so as to communicate the first air guiding channel with the second air guiding channel.

The high-temperature gas inside the electrical box 20 flows through the first air outlet 22, the second air inlet 323, the second air guiding channel, the first air guiding channel, the second air outlet 317 to the first installation space 11 in sequence, so that the heat dissipation of the electrical box 20 is realized.

First wind guide

Referring to fig. 4 and 5, the first wind guide 31 includes an upper cover 311 and a lower cover 312. The upper cover 311 includes side plates and peripheral plates provided on three sides of the side plates. Correspondingly, the lower cover 312 also includes a side plate and a peripheral plate disposed on three sides of the side plate, wherein a plurality of ventilation holes 316 are disposed on the peripheral plate at the top of the lower cover 312, and the ventilation holes 316 play a role in ventilation and also prevent foreign matters such as flying insects from entering the second installation space 12 through the air guide channel.

In the orientation shown in fig. 5, the bottom side and the right side of the upper cover 311 are open, the right side and the bottom side of the lower cover 312 are also open, and the upper cover 311 and the lower cover 312 are correspondingly buckled to form a first air guiding channel. A certain distance is provided between the top peripheral plate of the upper cover 311 and the top peripheral plate of the lower cover 312, a second air outlet 317 is formed between the top peripheral plate of the upper cover 311 and the side plate of the lower cover 312, and the second air outlet 317 is formed on the side surface of the first air guide 31.

The air flows into the first air guiding channel through the bottom opening of the first air guiding member 31, and then flows out from the second air outlet 317 on the side.

In some embodiments of the present application, with continued reference to fig. 4 and 5, the upper cover 311 is provided with a first bending baffle 313, the first bending baffle 313 is specifically disposed on the top peripheral plate of the upper cover 31, and the first bending baffle 313 is disposed obliquely downward. The first bent baffle 313 is located outside the second outlet 317 and has a certain ventilation gap with the second outlet 317.

The first bent flap 313 functions as a rain shield to prevent water droplets from entering the air guide passage.

In some embodiments of the present application, a second bent baffle 314 is disposed on the lower cover 312, the second bent baffle 314 is specifically disposed on a side plate of the lower cover 312, and the second bent baffle 314 is located at a lower side of the second air outlet 317.

The second bending baffle 314 plays a role of wind shielding, so as to prevent the airflow in the first installation space 11 from reversely flowing through the second air outlet 317 and entering the air guide channel to affect the ventilation and heat dissipation effects of the electrical box 20.

A ventilation gap 315 is formed between the second bent stopper 317 and the side plate of the lower cover 312, and the ventilation gap 315 facilitates the flow of gas in the first installation space 11.

Second wind guide

In some embodiments of the present application, referring to fig. 6 and 7, the second wind guiding member 32 is a P-type structure, and includes a vertical portion 321 and a horizontal portion 322. Correspondingly, the second air guide channel is also of a P-type channel structure.

The second air inlet 323 is arranged on the side surface of the vertical portion 311, and the vertical portion 311 is fixedly connected with the side wall of the electrical box 20, so that the second air inlet 323 is conveniently and oppositely communicated with the first air outlet 22, and the second air guide member 32 is fixedly mounted on the other hand.

The bottom surface of the horizontal portion 322 abuts against the top surface of the electrical box 20, so that the second wind guide 32 is more stably mounted.

In some embodiments of the present invention, the bottom of the horizontal portion 322 is provided with a folding edge 323 extending upward, and the folding edge 323 plays a role of buffering and storing water drops entering through the second air outlet 317.

In some embodiments of the present application, referring to fig. 7, a drainage hole 325 is disposed at the bottom of the vertical portion 311, so as to drain a small amount of water accumulated in the second wind guide 32 in time, and avoid affecting the ventilation airflow of the electrical box 20.

The size of the drain hole 325 should be as small as possible to allow the air in the electrical box 20 to enter the first installation space 11 through the air guiding channel to dissipate the heat when the size meets the drainage requirement.

Electrical equipment box

In some embodiments of the present application, referring to fig. 8, the electrical box 20 is a common rectangular parallelepiped structure, the first air inlet 21 and the first air outlet 22 are diagonally and oppositely disposed on two opposite sidewalls of the electrical box 20, the first air outlet 22 is disposed close to the top, and the first air inlet 21 is disposed close to the bottom. Fig. 8 omits the front plate and internal component structure of the electrical box 20.

Specifically, for example, the two opposite side walls of the electrical box 20 are a left side wall and a right side wall, for example, the first air inlet 21 is disposed at a lower position of the left side wall of the electrical box 20, and the first air outlet 22 is disposed at an upper position of the right side wall of the electrical box 20; or, the first air inlet 21 is disposed at a lower position of the right side wall of the electrical box 20, and the first air outlet 22 is disposed at an upper position of the left side wall of the electrical box 20.

The first air inlet 21 and the first air outlet 22 are arranged diagonally, referring to fig. 3, so that the airflow can traverse the whole internal components of the electrical box 20, and the heat dissipation is more uniform and sufficient.

Because the air is heated and expanded, the density is reduced, the volume is increased, the quality is unchanged, and the buoyancy of the surrounding air is increased, so that the hot air is mainly concentrated on the upper part inside the electric appliance box 20, the first air outlet 22 is arranged close to the upper part, and the first air inlet 21 is arranged close to the lower part, so that the air flow is more facilitated, and the heat dissipation effect is improved.

In some embodiments of the present application, the first air inlet 21 and the first air outlet 22 are both provided with a shutter 23, which plays a role in waterproofing.

In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

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

it is characterized by also comprising:

2. The outdoor unit of claim 1, wherein,

a water receiving tray is arranged in the shell and divides the inner space of the shell into a first installation space and a second installation space which are arranged up and down;

3. The outdoor unit of claim 2, wherein,

the first air guide piece comprises an upper cover and a lower cover, the upper cover and the lower cover are buckled to form the first air guide channel and the second air outlet, and the second air outlet is formed in the side face of the first air guide piece.

4. The outdoor unit of claim 3, wherein,

the upper cover is provided with a first bending baffle which is positioned at the outer side of the second air outlet and has a certain ventilation gap with the second air outlet.

5. The outdoor unit of claim 3, wherein,

and a second bending baffle is arranged on the lower cover and is positioned at the lower side of the second air outlet, and a ventilation gap is formed between the second bending baffle and the side wall of the lower cover.

6. The outdoor unit of claim 2, wherein,

the second air guide piece comprises a vertical part and a horizontal part, the second air inlet is formed in the side face of the vertical part, the vertical part is fixedly connected with the side wall of the electric appliance box, and the bottom face of the horizontal part is abutted to the top face of the electric appliance box.

7. The outdoor unit of claim 6, wherein,

and the bottom of the horizontal part is provided with a folded edge extending upwards.

8. The outdoor unit of claim 6, wherein,

the bottom of the vertical part is provided with a drain hole.

9. The outdoor unit of any one of claims 1 to 8,

the first air inlet and the first air outlet are obliquely and oppositely arranged on two opposite side walls of the electric appliance box, the first air outlet is arranged close to the upper part, and the first air inlet is arranged close to the lower part.

10. The outdoor unit of claim 9, wherein,

the first air inlet and the first air outlet are respectively provided with a shutter baffle.