CN217082744U - Outdoor machine of air conditioner - Google Patents
Outdoor machine of air conditioner Download PDFInfo
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- CN217082744U CN217082744U CN202220962614.8U CN202220962614U CN217082744U CN 217082744 U CN217082744 U CN 217082744U CN 202220962614 U CN202220962614 U CN 202220962614U CN 217082744 U CN217082744 U CN 217082744U
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- guide holes
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Abstract
The utility model provides an air condensing units, include: the air conditioner comprises a shell, a heat exchanger, a fan and an air duct; the heat exchanger is arranged on the inner wall of the shell in a surrounding manner; the fan is arranged at the top of the heat exchanger and used for blowing out air after heat exchange of the heat exchanger; the air duct is connected with the fan and at least partially positioned on the inner side of the heat exchanger, a plurality of air guide holes arranged at intervals are formed in the air duct, and the air speed of air flowing through the heat exchanger is changed by changing the aperture of the air guide holes and/or the arrangement density of the air guide holes. The wind speed flowing through the heat exchanger is uniform, the overall heat exchange efficiency of the heat exchanger is improved, the overall defrosting time is shortened, and the refrigerating and heating performances, particularly the low-temperature heating performances, of the unit are improved.
Description
Technical Field
The utility model relates to an air conditioning technology field especially relates to an air condensing units.
Background
In an air duct system of a multi-split air outlet outdoor unit in the prior art, a fan is arranged at the top end, the suction force of the fan at the position closest to the fan is large in the vertical direction of a heat exchanger, the wind speed passing through the heat exchanger is the largest, the fan suction force is smaller and smaller as the fan goes downwards, the wind speed passing through the heat exchanger is smaller and smaller, the wind speed is seriously unevenly distributed, the wind speed of a lower heat exchanger is very low, the utilization rate of the lower heat exchanger is finally low, and the overall heat exchange effect of the heat exchanger is poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve one of the technical problem in the correlation technique at least to a certain extent.
For this reason, this application aims at providing an air condensing units, be provided with the at least partial guide duct that is located between the heat exchanger through the bottom at the fan, a plurality of guiding holes have been seted up on the guide duct, the aperture in guiding hole increases along the direction of keeping away from the fan, make and be closer to the heat exchanger more, the air inlet resistance is less, or the quantity that sets up the guiding hole increases along the direction of keeping away from the fan, make and be closer to the heat exchanger more, the guiding hole is denser more, the air inlet resistance reduces gradually, finally make the wind speed distribution through the heat exchanger vertical direction more even, improve the holistic heat exchange efficiency of heat exchanger.
The application provides an air condensing units includes: the air conditioner comprises a shell, a heat exchanger, a fan and an air duct; the heat exchanger is arranged on the inner wall of the shell in a surrounding manner; the fan is arranged at the top of the heat exchanger and used for blowing out air after heat exchange of the heat exchanger; the air duct is connected with the fan and at least partially positioned on the inner side of the heat exchanger, a plurality of air guide holes arranged at intervals are formed in the air duct, and the air speed of air flowing through the heat exchanger is changed by changing the aperture of the air guide holes and/or the arrangement density of the air guide holes.
This application is through the bottom at the fan, be located and be provided with the guide duct between the heat exchanger, a plurality of wind-guiding holes have been seted up on the guide duct, the aperture of wind-guiding hole or the density of arranging of wind-guiding hole can the optional change, the wind speed of air process heat exchanger is changed through the density of arranging of the aperture of changing the wind-guiding hole or wind-guiding hole, make the wind speed of flowing through the heat exchanger distribute evenly, improve the holistic heat exchange efficiency of heat exchanger, the time of whole defrosting has been shortened simultaneously, promote the refrigeration of unit and heat the performance, especially low temperature heating performance.
In some embodiments of the application, the casing includes a cross beam, the fan includes a wind scooper, a first folded edge is arranged on the cross beam, a second folded edge is arranged on the wind scooper, the second folded edge is buckled on the first folded edge, and the wind scooper is connected to the casing through a connecting piece or a welding mode.
In some embodiments of the application, the fan further includes a motor support, the motor support is connected to the air guide cover, a mounting hole is formed in the air guide cylinder, and the motor support penetrates through the mounting hole to fixedly mount the air guide cylinder on the fan.
In some embodiments of the present application, the aperture of the air guide holes increases in order in a direction away from the fan.
In some embodiments of the present application, the distance between the air guide holes decreases in order in a direction away from the fan.
In some embodiments of the present application, the number of air guide holes increases in order in a direction away from the fan.
In some embodiments of the present application, the air guide holes are circular air guide holes, square air guide holes, or oval air guide holes.
In some embodiments of the present application, the air guide duct is of a cylindrical or conical configuration.
In some embodiments of the present application, there is a gap between the fan and the heat exchanger.
In some embodiments of the present application, the outdoor unit of an air conditioner further includes: the base is connected to the bottom of the machine shell; the compressor is arranged on the base, is positioned on the inner side of the heat exchanger and is positioned at the bottom end of the air guide cylinder.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a duct system of an air conditioner outdoor unit according to an embodiment of the present disclosure;
fig. 2 is a schematic structural view of a fan of an air conditioner outdoor unit according to an embodiment of the present disclosure;
fig. 3 is a schematic connection diagram of an air duct and a fan of an air conditioner outdoor unit according to an embodiment of the present invention;
fig. 4 is a schematic structural view of an air duct of an air conditioner outdoor unit according to an embodiment of the present invention;
in the above figures: a housing 1; a first cross member 11; a second cross member 12; a base 13; a left side panel 14; a right side plate 15; a heat exchanger 2; a fan 3; a wind scooper 31; first cover 31 a; second cover 31 b; a motor bracket 32; a flange 32 a; a motor 33; an air duct 4; a wind guide hole 41; a compressor 5.
Detailed Description
The present invention will be described in detail by way of examples. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the present application, an 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, and supplies refrigerant to the air that has been conditioned and heat-exchanged.
The compressor compresses a refrigerant in a low-temperature and low-pressure state, and discharges a compressed high-temperature and high-pressure refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.
The expansion valve expands the liquid-phase refrigerant in the medium-temperature and high-pressure state condensed in the condenser into a low-temperature and low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.
The air conditioner includes an air conditioner indoor unit and an air conditioner outdoor unit, the air conditioner outdoor unit includes a compressor and an outdoor heat exchanger, the air conditioner indoor unit 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 for a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler for a cooling mode.
Fig. 1 is a schematic structural view of a duct system of an air conditioner outdoor unit according to an embodiment of the present disclosure.
Referring to fig. 1, the utility model provides an air condensing units, include: the air conditioner comprises a shell 1, a heat exchanger 2, a fan 3, an air duct 4 and a compressor 5; the heat exchanger 2 is arranged around the inner wall of the shell 1; the fan 3 is arranged at the top of the heat exchanger 2 and used for blowing out air after heat exchange of the heat exchanger 2; the air duct 4 is connected to the fan 3 and at least partially located on the inner side of the heat exchanger 2, a plurality of air guide holes 41 arranged at intervals are formed in the air duct 4, and the air speed of air flowing through the heat exchanger 2 is changed by changing the aperture of the air guide holes 41 and/or the arrangement density of the air guide holes 41.
The periphery of the casing 1 is provided with an air return inlet, the top of the casing is provided with an air outlet, and the fan 3 is positioned below the air outlet. The top air outlet and the peripheral air return of the air conditioner outdoor unit are realized by arranging air return ports at the periphery and arranging air outlets at the top of the casing 1, so that the utilization rate of a vertical space air return surface is increased; the area of the return air inlet is increased, the return air quantity is increased, and the heat exchange efficiency is improved.
The front side of the casing 1 is the side of the outdoor unit facing the user, the casing 1 comprises a front panel positioned on the front side of the outdoor unit, and the front panel is disassembled and assembled, so that the casing 1 is convenient to repair and maintain parts.
The casing 1 further includes a left side plate 14, a right side plate 15, and a base 13 connected to the casing 1, the left side plate 14 and the right side plate 15 being connected to left and right sides of the base 13.
The casing 1 further comprises a beam connected to the left side plate 14 and the right side plate 15, the beam comprises a first beam 11 and a second beam 12, the first beam 11 and the second beam 12 are respectively located on the front side and the rear side of the upper portion of the casing 1, the first beam 11 and the second beam 12 are fixed on the left side plate 14 and the right side plate 15 through screws or a welding mode, and first folding edges are arranged on the first beam 11 and the second beam 12 and used for supporting the fan 3.
An air duct system is arranged in the air conditioner outdoor unit and comprises a heat exchanger 2, a fan 3, an air duct 4, a compressor 5 and the like.
The heat exchanger 2 encloses the inner wall of the casing 1, the heat exchanger 2 is in a cylindrical shape, a plurality of heat exchange pipes which are sequentially communicated are bent along the same axis to form an arc shape, the cross section of the heat exchanger 2 is in a major arc shape, and the outside air passes through the heat exchanger 2 from the outer peripheral side of the heat exchanger 2 and then enters the heat exchanger 2 so that the heat exchanger 2 and the air are subjected to heat transfer to achieve the purpose of heat exchange. The heat exchanger 2 may include refrigerant tubes through which refrigerant flows, and heat exchange fins connected to the refrigerant tubes so as to increase a heat exchange area.
The base 13 is disposed at a lower end of the heat exchanger 2 to block a lower end of the heat exchanger 2 for supporting the heat exchanger 2.
The compressor 5 is fixedly arranged on the base 13 and positioned at the lower end of the inner side of the heat exchanger 2, and the compressor 5 is fixedly arranged on the base 13 through a fastener, so that the compressor 5 is prevented from being displaced due to vibration in the transportation process or the operation process.
Fig. 2 is a schematic structural view of a fan of an air conditioner outdoor unit according to an embodiment of the present disclosure.
Referring to fig. 2, the blower 3 includes a wind scooper 31, a motor 33, a motor bracket 32, and a fan.
The first cover 31a is connected to the first beam 11 and the second beam 12, and when the wind scooper 31 is assembled, the second flange is fastened to the first flange and is fixed by welding or fastening screws.
The first cover body 31a is provided with a connecting hole, two ends of the motor support 32 are provided with flanges 32a, the motor support 32 penetrates through the connecting hole, and the flanges 32a are connected to the outer side of the first cover body 31a through a welding mode or screws.
The motor 33 is installed on the motor bracket 32, the fan is connected to the motor 33, and the motor 33 drives the fan to rotate.
Fig. 3 is a schematic view illustrating a connection between an air duct of an air conditioner outdoor unit and a fan according to an embodiment of the present invention, and fig. 4 is a schematic view illustrating a structure of the air duct of the air conditioner outdoor unit according to the embodiment of the present invention.
Referring to fig. 3 to 4, the air guide duct 4 is cylindrically connected to the bottom of the fan 3. The upper portion of the air duct 4 is provided with a mounting hole matched with the motor support 32, the motor support 32 penetrates through the mounting hole, and the air duct 4 is clamped on the motor support 32 so as to be fixedly connected to the fan 3.
The air duct 4 is provided with a plurality of air guide holes 41, the aperture of the air guide holes 41 and/or the arrangement density of the air guide holes 41 can be adjusted according to needs, and the air inlet resistance is changed by changing the aperture of the air guide holes 41 and/or the arrangement density of the air guide holes 41, so that the air speed of air passing through the heat exchanger 2 is changed.
In one embodiment, the diameters of the air guide holes 41 are sequentially increased in a direction away from the fan 3, or the distances between the air guide holes 41 are sequentially decreased in a direction away from the fan 3, and in another embodiment, the number of the air guide holes 41 is sequentially increased in a direction away from the fan 3.
In the present embodiment, the shape of the air guiding hole 41 may be various shapes such as a circle, a square, an ellipse, etc., but not limited thereto, and the shape of the air guiding hole 41 may be other shapes such as a hexagon.
In this embodiment, the air duct 4 may have a cylindrical structure, or may have a cone with a diffusion structure, but not limited thereto, and the air duct 4 may also have other structures such as a rectangular parallelepiped.
The function of the air guide duct 4 will be described in detail below:
because the uppermost part of the heat exchanger 2 is closer to the fan, the larger the suction force of the fan is, the different wind speeds flowing through the upper part and the lower part of the heat exchanger 2 are caused, in the embodiment, the bottom of the fan 3 is connected with the air guide cylinder 4, at least part of the air guide cylinder 4 is positioned at the inner side of the heat exchanger 2, the air guide cylinder 4 is provided with a plurality of air guide holes 41, and the wind speed of the air flowing into the heat exchanger 2 is adjusted by changing the aperture of the air guide holes 41 and/or the arrangement density of the air guide holes 41 at the position above the heat exchanger 2 at the lowermost edge of the air guide cylinder 4.
Specifically, in one embodiment, the aperture of the air guiding hole 41 is sequentially increased in a direction away from the fan 3, so that the wind speed resistance flowing through the upper part of the air guiding duct 4 is increased, the wind speed resistance flowing through the lower part of the air guiding duct 4 is decreased, that is, the wind speed is increased closer to the heat exchanger 2, and finally the wind speed flowing into the heat exchanger 2 becomes uniform.
In another embodiment, the distances between the wind guide holes 41 decrease in sequence in the direction away from the fan 3, so that the wind speed resistance flowing through the upper part of the wind guide cylinder 4 increases, the wind speed resistance flowing through the lower part of the wind guide cylinder 4 decreases, i.e. the wind speed is higher closer to the position of the heat exchanger 2, and finally the wind speed flowing into the heat exchanger 2 becomes uniform.
In another embodiment, the number of the wind guide holes 41 is increased in a direction away from the fan 3, so that the wind speed resistance flowing through the upper part of the wind guide cylinder 4 is increased, the wind speed resistance flowing through the lower part of the wind guide cylinder 4 is decreased, that is, the wind speed is increased closer to the heat exchanger 2, and finally the wind speed flowing into the heat exchanger 2 becomes uniform.
For the part of the heat exchanger 2 below the lowest edge of the air duct 4, when the air duct 4 is not added, the low-pressure center of the wind field is at the topmost fan, and after the air duct 4 is added, the low-pressure center of the wind field is at the lowest edge of the air duct 4, so that the wind field at the lower part of the heat exchanger 2 is greatly improved.
In conclusion, the air guide cylinder is arranged at the bottom of the fan and between the heat exchangers, the air guide cylinder is provided with the air guide holes, the aperture of the air guide holes or the arrangement density of the air guide holes can be changed according to conditions, and the air speed of air passing through the heat exchangers is changed by changing the aperture of the air guide holes or the arrangement density of the air guide holes, so that the air speed flowing through the heat exchangers is uniformly distributed, the overall heat exchange efficiency of the heat exchangers is improved, the overall defrosting time is shortened, and the refrigerating and heating performances, particularly the low-temperature heating performances of the unit are improved.
In the description of the present invention, it is to be understood that the terms "front", "back", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate directions or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
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 invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally 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 invention can be understood in specific cases to those skilled in the art.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An outdoor unit of an air conditioner, comprising:
a housing;
the heat exchanger is arranged around the inner wall of the shell;
the fan is arranged at the top of the heat exchanger and used for blowing out the air subjected to heat exchange of the heat exchanger;
the air duct is connected with the fan and at least partially positioned on the inner side of the heat exchanger, a plurality of air guide holes arranged at intervals are formed in the air duct, and the air speed of air flowing through the heat exchanger is changed by changing the aperture of the air guide holes and/or the arrangement density of the air guide holes.
2. The outdoor unit of claim 1, wherein the casing comprises a cross member, the blower comprises a wind scooper, the cross member has a first folded edge, the wind scooper has a second folded edge, the second folded edge is fastened to the first folded edge, and the wind scooper is connected to the casing by a connecting member or by welding.
3. The outdoor unit of claim 2, wherein the blower further comprises a motor bracket, the motor bracket is connected to the air guide cover, a mounting hole is formed in the air guide duct, and the motor bracket is inserted into the mounting hole to fixedly mount the air guide duct on the blower.
4. The outdoor unit of claim 1, wherein the hole diameters of the air guide holes are sequentially increased in a direction away from the blower fan.
5. The outdoor unit of claim 1, wherein distances between the air guide holes are sequentially decreased in a direction away from the blower fan.
6. The outdoor unit of claim 1, wherein the number of the air guide holes is sequentially increased in a direction away from the blower fan.
7. The outdoor unit of claim 1, wherein the air guide holes are circular air guide holes, square air guide holes, or elliptical air guide holes.
8. The outdoor unit of claim 3, wherein the air guide duct has a cylindrical structure or a conical structure.
9. The outdoor unit of claim 1, wherein a gap is formed between the blower and the heat exchanger.
10. The outdoor unit of claim 1, further comprising:
the base is connected to the bottom of the machine shell;
the compressor is arranged on the base, is positioned on the inner side of the heat exchanger and is positioned at the bottom end of the air guide cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220962614.8U CN217082744U (en) | 2022-04-24 | 2022-04-24 | Outdoor machine of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220962614.8U CN217082744U (en) | 2022-04-24 | 2022-04-24 | Outdoor machine of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217082744U true CN217082744U (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220962614.8U Active CN217082744U (en) | 2022-04-24 | 2022-04-24 | Outdoor machine of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217082744U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777217A (en) * | 2022-05-02 | 2022-07-22 | 广东科学技术职业学院 | Air inlet air conditioner external unit and air conditioning system |
-
2022
- 2022-04-24 CN CN202220962614.8U patent/CN217082744U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114777217A (en) * | 2022-05-02 | 2022-07-22 | 广东科学技术职业学院 | Air inlet air conditioner external unit and air conditioning system |
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