CN220648589U - Air duct shell, air duct assembly and air conditioner indoor unit - Google Patents

Abstract

The application belongs to the technical field of air conditioners, and particularly relates to an air duct shell, an air duct assembly and an air conditioner indoor unit. The air duct shell comprises a base, wherein the base is provided with a first reinforcing rib and at least one second reinforcing rib, and the first reinforcing rib divides the base into a first installation area and a second installation area; a heat exchanger installation part and an electric heater installation part are arranged in the first installation area, the heat exchanger installation part is used for installing a heat exchanger of the air conditioner indoor unit, and the electric heater installation part is used for installing an electric heater; a fan installation part and a baffle ring are arranged in the second installation area, the fan installation part is positioned at the center of the baffle ring, and the fan installation part is used for installing a fan of the air conditioner indoor unit; two ends of the second reinforcing rib are respectively connected with the baffle ring and the first reinforcing rib. Thereby increase the intensity of base, promote the stability of wind channel subassembly.

Description

Air duct shell, air duct assembly and air conditioner indoor unit

Technical Field

The application belongs to the technical field of air conditioners, and particularly relates to an air duct shell, an air duct assembly and an air conditioner indoor unit.

Background

Air conditioners are commonly used to regulate the temperature, humidity, and flow rate of indoor ambient air. The air conditioner includes an indoor unit and an outdoor unit.

In the prior art, the indoor unit of the air conditioner comprises an air duct shell, a heat exchanger, a fan and an electric heater, wherein the heat exchanger, the fan and the electric heater are all arranged on the air duct shell, and the air duct shell is used for supporting the heat exchanger, the fan and the electric heater.

However, the strength of the duct housing is low and the reliability is poor.

Disclosure of Invention

The application provides an air duct shell, an air duct assembly and an air conditioner indoor unit to solve the problem that the strength of the air duct shell is lower and the reliability is poor.

In a first aspect, the present application provides an air duct housing for an air conditioner indoor unit, the air duct housing including a base having a first stiffener and at least one second stiffener, the first stiffener dividing the base into a first mounting area and a second mounting area;

a heat exchanger installation part and an electric heater installation part are arranged in the first installation area, the heat exchanger installation part is used for installing a heat exchanger of the air conditioner indoor unit, and the electric heater installation part is used for installing the electric heater;

a fan installation part and a baffle ring are arranged in the second installation area, the fan installation part is positioned in the center of the baffle ring, and the fan installation part is used for installing a fan of the air conditioner indoor unit;

and two ends of the second reinforcing rib are respectively connected with the baffle ring and the first reinforcing rib.

In some technical solutions of the above air duct housing, the first reinforcing rib includes a first reinforcing section, a second reinforcing section, and a third reinforcing section that are sequentially connected.

In some technical solutions of the air duct housing, each second reinforcing rib divides between the first reinforcing rib and a part of the baffle ring into a plurality of partitions, and at least one first drain hole is respectively arranged in each partition.

In some technical solutions of the above air duct housing, at least one second drain hole is provided between the baffle ring and the fan mounting portion.

In some technical solutions of the above air duct housing, the peripheral sides of the first drain holes are inclined planes facing the first drain holes, and the peripheral sides of the second drain holes are inclined planes facing the second drain holes.

In some technical solutions of the above air duct housing, the base has a diversion trench, a plurality of grooves and at least two third drain holes;

the grooves are positioned on two sides of the diversion trench, and the grooves are used for guiding condensed water to the diversion trench.

The flow guide grooves are opposite to the bottom of the heat exchanger and are used for guiding the condensed water to the third drain holes.

In some technical solutions of the above air duct case, the height of at least one of the first reinforcing rib and the second reinforcing rib is 8mm to 12mm.

In some technical solutions of the above air duct case, a thickness of at least one of the first reinforcing rib and the second reinforcing rib is 1.5mm to 2mm.

In a second aspect, the present application provides an air duct assembly, including a heat exchanger, a fan, an electric heater, and an air duct housing according to any one of the above-mentioned technical solutions;

the heat exchanger, the fan and the electric heater are all installed on the air duct shell.

In a third aspect, the present application provides an air conditioning indoor unit, including an air conditioning indoor unit housing and the above-mentioned air duct assembly located in the air conditioning indoor unit housing.

The application provides an air duct shell, air duct assembly and air conditioner indoor unit sets up first strengthening rib and at least one second strengthening rib on the base of air duct shell, can increase the intensity of base to increase the reliability of air duct shell, promote the stability of air duct assembly. Through set up first wash port, second wash port and third wash port respectively on the base, can make comdenstion water drain base through the wash port that corresponds, the drainage effect of base is better, and the drainage effect of wind channel subassembly is better.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.

Fig. 1 is a schematic structural diagram of an air duct housing according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of the base of FIG. 1;

FIG. 3 is a schematic view of the airway housing of FIG. 1 from another perspective;

FIG. 4 is a schematic structural view of an air duct assembly according to an embodiment of the present disclosure;

FIG. 5 is a schematic view of the heat exchanger of FIG. 4;

FIG. 6 is a schematic view of the electric heater of FIG. 4;

FIG. 7 is a schematic view of the fan of FIG. 4;

fig. 8 is an enlarged view at a in fig. 3;

fig. 9 is an enlarged view at B in fig. 4.

Specific embodiments thereof have been shown by way of example in the drawings and will herein be described in more detail. These drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments.

Reference numerals illustrate:

100-an air duct shell;

110-a base;

111-a first stiffener;

1111—a first reinforcement section;

1112-a second reinforcement section;

1113-a third reinforcement section;

112-a second reinforcing rib;

113-an electric heater mounting portion;

114-a fan mounting portion;

115-a baffle ring;

116-a first drain hole;

117-a second drain hole;

118-heat exchanger mounting;

119-a third drain hole;

120-diversion trenches;

121-grooves;

130-volute;

140-top plate;

200-a heat exchanger;

300-electric heater;

400-fans.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions in the present application will be clearly and completely described below with reference to the drawings in the present application, and it is apparent that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The terms "first," "second," "third," "fourth" and the like in the description and in the claims of this application and in the above-described figures, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented, for example, in sequences other than those illustrated or described herein.

In the embodiments of the present application, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the embodiments of the present application will be understood by those of ordinary skill in the art in view of the specific circumstances.

In addition, the terms "disposed," "connected," "secured" and "affixed" are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the embodiments of the present disclosure may be understood by those of ordinary skill in the art according to specific circumstances.

In the embodiments of the present application, words such as "exemplary" or "such as" are used to mean examples, illustrations, or descriptions. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.

The term "plurality" means two or more, unless otherwise indicated.

In the prior art, the indoor unit of the air conditioner comprises an air duct shell, a heat exchanger, a fan and an electric heater, wherein the air duct shell comprises a bottom plate and a top plate, two ends of the heat exchanger, the fan and the electric heater are respectively connected to the bottom plate and the top plate, and the bottom plate of the air duct shell is used for supporting the heat exchanger, the fan and the electric heater. However, the bottom plate of the current air duct shell is simple in structure and low in strength, so that the heat exchanger, the fan and the electric heater are easy to shake when the air conditioner indoor unit is operated, the reliability of the air duct shell is poor, and the stability of the air conditioner indoor unit is poor.

Based on this, this application embodiment provides an air duct housing, wind channel subassembly and air conditioning indoor unit, sets up first strengthening rib and at least one second strengthening rib on the base of air duct housing to increase the intensity of the base of air duct housing, thereby promote the stability of air conditioning indoor unit.

Embodiments of the present utility model are described below with reference to the accompanying drawings.

Referring to fig. 1, 2, 3 and 8, the present embodiment provides an air duct housing 100 for an indoor unit of an air conditioner, the air duct housing 100 including a base 110, the base 110 having a first reinforcing rib 111 and at least one second reinforcing rib 112, the first reinforcing rib 111 dividing the base 110 into a first installation area and a second installation area.

A heat exchanger installation part 118 and an electric heater installation part 113 are arranged in the first installation area, the heat exchanger installation part 118 is used for installing the heat exchanger 200 of the air conditioner indoor unit, and the electric heater installation part 113 is used for installing the electric heater 300.

A fan mounting part 114 and a baffle ring 115 are provided in the second mounting area, the fan mounting part 114 is positioned at the center of the baffle ring 115, and the fan mounting part 114 is used for mounting a fan 400 of the indoor unit.

Both ends of the second reinforcing rib 112 are connected to the stopper ring 115 and the first reinforcing rib 111, respectively.

Wherein, when the fan 400 is mounted on the fan mounting portion 114, the bottom of the fan 400 is located in the baffle ring 115.

The air duct housing 100 further includes a top plate 140 and a scroll case 130, the top plate 140 is opposite to the base 110, the top plate 140 is connected to the base 110 through the scroll case 130, and one end of the first reinforcing rib 111 is connected to the scroll case 130.

At least one second reinforcing rib 112 is disposed between the baffle ring 115 and the first reinforcing rib 111, and the second reinforcing rib 112 is used for increasing the strength of the base 110.

Illustratively, the number of the second reinforcing ribs 112 is one, one end of the second reinforcing rib 112 is connected to the stopper ring 115, and the other end of the second reinforcing rib 112 is connected to the first reinforcing rib 111.

In the air duct assembly provided in this embodiment, the first reinforcing ribs 111 and the at least one second reinforcing rib 112 are disposed on the base 110, so as to increase the strength of the base 110, thereby making the reliability of the air duct housing higher.

Referring to fig. 2, in some embodiments, the first reinforcing bead 111 includes a first reinforcing section 1111, a second reinforcing section 1112, and a third reinforcing section 1113 connected in sequence.

Wherein, the first reinforcing section 1111 and the third reinforcing section 1113 are located between the baffle ring 115 and the heat exchanger mounting portion 118 and close to the heat exchanger mounting portion 118, and the first reinforcing section 1111 and the third reinforcing section 1113 are located at two opposite sides of the heat exchanger mounting portion 118, respectively. The second reinforcing section 1112 is located between the electric heater mounting portion 113 and the retainer 115.

It is to be understood that the first reinforcing section 1111, the second reinforcing section 1112 and the third reinforcing section 1113 may be straight line sections, curved line sections or broken line sections, and may be adaptively set according to practical requirements, which is not limited herein.

Illustratively, the first reinforcement section 1111, the second reinforcement section 1112, and the third reinforcement section 1113 are all straight sections.

Referring to fig. 1 and 2, in a specific implementation, each second reinforcing rib 112 divides the space between the first reinforcing rib 111 and the partial baffle ring 115 into a plurality of partitions, and at least one first drain hole 116 is provided in each partition.

Wherein, the vapor in the air is liquefied when it is cooled to form condensed water, and the condensed water between the baffle ring 115 and the first reinforcing rib 111 is discharged out of the base 110 through the first drain holes 116 of each partition.

The number of the second reinforcing ribs 112 can be adaptively set according to practical requirements, and the embodiment is not limited herein. If the number of the second reinforcing ribs 112 is N, the number of the partitions between the first reinforcing ribs 111 and the partial stop ring 115 is n+1. The number of the first drain holes 116 of each partition can be adaptively set according to actual requirements, which is not limited in this embodiment. It will be appreciated that the greater the number of first drain holes 116 in a partition, the better the drainage of that partition.

Illustratively, the number of the second reinforcing ribs 112 is one, the second reinforcing ribs 112 divide the space between the first reinforcing ribs 111 and the partial baffle ring 115 into a first partition and a second partition, the space between the first reinforcing sections 1111, the second reinforcing sections 1112, the second reinforcing ribs 112 and the partial baffle ring 115 is the first partition, and the space between the third reinforcing sections 1113, the second reinforcing ribs 112 and the partial baffle ring 115 is the second partition.

The first and second partitions are provided with a first drainage hole 116, respectively, the first drainage hole 116 of the first partition being adjacent to the first reinforcing section 1111 and the first drainage hole of the second partition being adjacent to the second reinforcing rib 112.

In this embodiment, the first water drain holes 116 are respectively disposed in each partition between the first reinforcing rib 111 and the partial baffle ring 115, so that condensed water in each partition can drain out of the base 110 through the first water drain holes 116 of each partition, thereby making the area between the first reinforcing rib 111 and the partial baffle ring 115 have a better water drain effect.

Referring to fig. 2, in a specific implementation, at least one second drain hole 117 is provided between the baffle ring 115 and the fan mounting portion 114.

Wherein condensed water between the baffle ring 115 and the fan mounting portion 114 is discharged out of the base 110 through each of the second drain holes 117. The second drain hole 117 is adjacent to the baffle ring 115 to reduce contact of condensed water with the fan mounting portion 114.

In the present embodiment, at least one second drain hole 117 is provided between the baffle ring 115 and the fan mounting portion 114, so that condensed water between the baffle ring 115 and the fan mounting portion 114 can drain out of the base 110 through each second drain hole 117, thereby making the area between the baffle ring 115 and the fan mounting portion 114 drain better.

Illustratively, the number of second drain holes 117 is one.

Referring to fig. 2, in a specific implementation, the peripheral sides of the first drain holes 116 are inclined surfaces facing the first drain holes 116, and the peripheral sides of the second drain holes 117 are inclined surfaces facing the second drain holes 117.

Wherein, the circumference sides of the first drain hole 116 and the second drain hole 117 are inclined planes, which can facilitate the condensed water to flow to the first drain hole 116 or the second drain hole 117.

In particular, condensed water between the baffle ring 115 and the first reinforcing rib 111 is guided to the first drain hole 116 via the inclined surface. The condensed water between the fan mounting portion 114 and the baffle ring 115 is guided to the second drain hole 117 via the inclined surface.

Referring to fig. 2, in some embodiments, the base 110 has a flow guide groove 120, a plurality of grooves 121, and at least two third drain holes 119.

The grooves 121 are located at both sides of the diversion trench 120, and the grooves 121 are used for guiding condensed water to the diversion trench 120.

The diversion trench 120 is opposite to the bottom of the heat exchanger 200, and the diversion trench 120 is used for guiding condensed water to each third drain hole 119.

Wherein the groove 121 communicates the peripheral side of the electric heater mounting part 113 with the diversion trench 120, so that condensed water of the peripheral side of the electric heater mounting part 113 flows to the diversion trench 120 through the groove 121. The number of the grooves 121 can be adaptively set according to practical requirements, and the present embodiment is not limited herein.

Illustratively, the number of grooves 121 is three.

In particular, condensed water in the vicinity of the heat exchanger mounting portion 118 flows to each third drain hole 119 through the flow guide groove 120, and is discharged out of the base 110 through each third drain hole 119. The condensed water on the circumferential side of the electric heater mounting part 113 flows to the diversion trench 120 through the groove 121, is guided to the third drain holes 119 through the diversion trench 120, and is then discharged out of the base 110 through the respective third drain holes 119. Thereby the drainage effect of the first installation area is better.

The number of the third water drain holes 119 can be adaptively set according to practical requirements, and the present embodiment is not limited herein.

Illustratively, the number of third drain holes 119 is three.

In some embodiments, at least one of the first reinforcing ribs 111 and the second reinforcing ribs 112 has a height of 8mm to 12mm.

Wherein the heights of the first reinforcing ribs 111 and the second reinforcing ribs 112 are less than or equal to the height of the base 110. The specific heights of the first reinforcing ribs 111 and the second reinforcing ribs 112 can be adaptively set according to actual requirements, and the embodiment is not limited herein.

The first reinforcing ribs 111 and the second reinforcing ribs 112 are each 10mm in height, for example.

In some embodiments, at least one of the first reinforcing ribs 111 and the second reinforcing ribs 112 has a thickness of 1.5mm to 2mm.

The thicknesses of the first reinforcing ribs 111 and the second reinforcing ribs 112 may be adaptively set according to actual requirements, which is not limited herein.

Illustratively, the first stiffener 111 and the second stiffener 112 are each 1.8mm thick.

Referring to fig. 4 to 7, the present embodiment provides an air duct assembly including a heat exchanger 200, a fan 400, an electric heater 300, and an air duct housing 100, based on the above-described embodiments.

The heat exchanger 200, the fan 400, and the electric heater 300 are all mounted on the duct housing 100.

The structure of the air duct housing is described in detail in the above embodiments, which is not described in detail herein.

Referring to fig. 5, 6 and 7, the heat exchanger 200 is used to exchange heat with indoor air entering the heat exchanger 200 to form hot air or cold air. The fan 400 is a cross-flow fan, and the fan 400 is used to drive indoor air into the heat exchanger 200, or to drive hot or cold air out of the duct assembly. The electric heater 300 is used for auxiliary heating of the indoor air entering the heat exchanger 200 when the air conditioner indoor unit is in the heating mode, thereby rapidly increasing the temperature of the indoor air.

Referring to fig. 2, the fan mounting part 114 is located at a middle region of the base 110, the heat exchanger mounting part 118 is located at an outer side of the fan mounting part 114, and the electric heater mounting part 113 is located between the fan mounting part 114 and the heat exchanger mounting part 118. Wherein the heights of the heat exchanger 200, the electric heater 300 and the fan 400 are equivalent.

Referring to fig. 4 and 9, when the heat exchanger 200, the electric heater 300, and the fan 400 are mounted on the duct housing 100, bottoms of the heat exchanger 200, the electric heater 300, and the fan 400 are mounted on the heat exchanger mounting portion 118, the electric heater mounting portion 113, and the fan mounting portion 114 of the base 110, respectively, and tops of the heat exchanger 200, the electric heater 300, and the fan 400 are mounted on the top plate 140 of the duct housing 100.

In particular, condensed water generated on the heat exchanger 200, the electric heater 300, and the fan 400 drops to the base 110 and is discharged out of the base 110 through the first, second, or third drain holes 116, 117, or 119 of the corresponding region.

The air duct assembly provided in this embodiment is provided with the first reinforcing ribs 111 and the second reinforcing ribs 112 on the base 110 to increase the strength of the base 110, and the heat exchanger 200, the electric heater 300 and the fan 400 are stable when mounted on the base 110. By arranging the first drain hole 116, the second drain hole 117 and the third drain hole 119 on the base 110, condensed water can be drained out of the base 110 through the corresponding first drain hole 116, second drain hole 117 or third drain hole 119, the drain effect of the base 110 is good, and the drain effect of the air duct assembly is good.

On the basis of the above embodiments, the present embodiment provides an air conditioner indoor unit, including an air conditioner indoor unit housing and an air duct assembly located in the air conditioner indoor unit housing.

The structure of the air duct assembly is described in detail in the above embodiments, which is not described in detail herein.

In a specific implementation, the air duct assembly has an air outlet channel, the air conditioner indoor unit housing has an air inlet and an air outlet, the air inlet is communicated with the heat exchanger 200 of the air duct assembly, so that indoor air can exchange heat with the heat exchanger 200 after passing through the air inlet, and the air outlet is communicated with the air outlet channel of the air duct assembly, so that cold air or hot air formed by the air duct assembly can be sent into a room through the air outlet channel and the air outlet in sequence.

While the present application has been described in connection with the preferred embodiments illustrated in the accompanying drawings, it will be readily understood by those skilled in the art that the scope of the application is not limited to such specific embodiments, and the above examples are intended to illustrate the technical aspects of the application, but not to limit it; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. An air duct shell is used for an air conditioner indoor unit and is characterized by comprising a base, wherein the base is provided with a first reinforcing rib and at least one second reinforcing rib, and the first reinforcing rib divides the base into a first installation area and a second installation area;

a heat exchanger installation part and an electric heater installation part are arranged in the first installation area, the heat exchanger installation part is used for installing a heat exchanger of the air conditioner indoor unit, and the electric heater installation part is used for installing the electric heater;

a fan installation part and a baffle ring are arranged in the second installation area, the fan installation part is positioned in the center of the baffle ring, and the fan installation part is used for installing a fan of the air conditioner indoor unit;

and two ends of the second reinforcing rib are respectively connected with the baffle ring and the first reinforcing rib.

2. The duct housing of claim 1, wherein the first stiffener includes a first stiffener section, a second stiffener section, and a third stiffener section that are connected in sequence.

3. The duct housing of claim 2, wherein each of the second ribs divides between the first rib and a portion of the baffle ring into a plurality of sections, and at least one first drain hole is provided in each section.

4. The air duct housing of claim 3, wherein at least one second drain hole is provided between the baffle ring and the fan mounting portion.

5. The duct housing of claim 4, wherein the peripheral sides of the first drain holes are all inclined surfaces facing the first drain holes, and the peripheral sides of the second drain holes are all inclined surfaces facing the second drain holes.

6. The air duct housing of claim 1, wherein the base has a channel, a plurality of grooves, and at least two third drain holes;

the grooves are positioned on two sides of the diversion trench, and the grooves are used for guiding condensed water to the diversion trench;

the flow guide grooves are opposite to the bottom of the heat exchanger and are used for guiding the condensed water to the third drain holes.

7. The duct housing of any one of claims 1-6, wherein at least one of the first and second ribs has a height of 8 mm-12 mm.

8. The duct housing of claim 7, wherein at least one of the first stiffener and the second stiffener has a thickness of 1.5mm to 2mm.

9. A duct assembly comprising a heat exchanger, a fan, an electric heater and a duct housing according to any one of claims 1 to 8;

the heat exchanger, the fan and the electric heater are all installed on the air duct shell.

10. An air conditioning indoor unit comprising an air conditioning indoor unit housing and the duct assembly of claim 9 positioned within the air conditioning indoor unit housing.