WO2022188383A1

WO2022188383A1 - Air induction device and air conditioner outdoor unit having same

Info

Publication number: WO2022188383A1
Application number: PCT/CN2021/118271
Authority: WO
Inventors: 杜超; 汤昊; 贺志君; 赵丹; 刘朋
Original assignee: 青岛海尔空调器有限总公司; 青岛海尔空调电子有限公司; 海尔智家股份有限公司
Priority date: 2021-03-11
Filing date: 2021-09-14
Publication date: 2022-09-15
Also published as: CN113091158A

Abstract

Disclosed are an air induction device and an air conditioner outdoor unit having same. The air induction device is configured to be adaptable to the air conditioner outdoor unit, and comprises: an air induction channel body, wherein the air induction channel body comprises a first end configured to be connectable to an air outlet of the air conditioner outdoor unit and a second end configured to be connectable to a predetermined exhaust device, such that air blown out from the air conditioner outdoor unit can be guided to the predetermined exhaust device, and the cross section of the air induction channel body perpendicular to an air flow direction is adjustable. It can be seen therefrom that with the air induction channel body with the adjustable cross section, the air induction device can be adapted to air conditioner outdoor units of different specifications, and therefore, the universality of the air induction device is improved.

Description

Induction air device and air conditioner outdoor unit having the same

technical field

The present invention relates to the technical field of air conditioners, in particular to a draft device and an air conditioner outdoor unit having the same.

Background technique

The outdoor unit of the air conditioner draws in ambient air from the air inlet on the back of the unit and exhausts it from the front air outlet. The following takes the operation of the outdoor unit of the ordinary household split air conditioner in the cooling mode as an example for description. In the process of air conditioning and refrigeration, the outdoor unit fan works, sucking air from the air inlet on the back of the outdoor unit. The air then flows over the surface of the outdoor unit heat exchanger and is blown out from the front air outlet by the fan after the heat exchange is completed. Therefore, the outdoor unit of the air conditioner has both "intake" and "exhaust". This working principle of the air conditioner also determines that there should be enough space around the outdoor unit during the usual use of the air conditioner, and the ventilation should be smooth, and there should be no close-up obstructions, and there should be no leaves, paper, plastic bags. The type is attached to the back surface of the outdoor unit to ensure the circulating air volume and heat dissipation effect of the outdoor unit, and to ensure that the cooling effect of the air conditioner is good. With the development of urban architectural design, urban high-rise buildings are increasingly pursuing the compatibility of external aesthetics and internal functions. In addition to meeting the requirements of relevant national and industry norms and regulations, they use advanced air-conditioning technology and equipment at home and abroad, and in order to To create a healthy and comfortable indoor air quality and environment, more and more restrictions have been made on the installation location of air conditioners. In most cases, the outdoor unit of the air conditioner is designed for concealed installation in the form of shutters or grilles. This installation method has a certain hindering effect on the air outlet of the outdoor unit of the air conditioner, especially when the grille bars are set obliquely, it has a reflecting effect on the outlet air, and the hot air will be reflected around the air conditioner. The grille and surrounding auxiliary structures seriously affect the cooling air duct of the outdoor unit of the air conditioner, so that a large amount of hot air is concentrated near the air conditioner to wrap the entire outdoor unit. This high temperature environment not only affects the heat transfer efficiency of the heat sink of the outdoor unit, but also affects the indoor cooling effect, thereby affecting the performance of the air conditioner.

In order to reduce this impact, the cooling and heating experience of users using air conditioners can be satisfied. Chinese invention patent application: CN 110836419 A discloses an air guide device and an air conditioner outdoor unit. The air guide device includes an air-inducing air duct structure with a retractable elastic structure, and the inlet end of the air-inducing air duct structure is configured to be connected with the air outlet of the outdoor unit of the air conditioner; the outlet end of the air-inducing air duct structure is configured to be able to connect with the air conditioner. The window sill grille at the mounting table is connected. Among them, the draft duct structure can change its length and bending direction through the retractable structure, so that the outlet end can be installed on the front or top or side part of the window sill grille to change the airflow direction. Therefore, the air flow from the air outlet can be discharged from the gap of the window sill grille along the induced air duct through the structure of the induced air duct, so as to effectively reduce the temperature of the working environment around the outdoor unit, and at the same time, there will be no return air entering. The phenomenon that the heat exchanger affects the heat exchange efficiency and improves the indoor cooling efficiency. However, the cross-sectional area of the passage of this draft device cannot be adjusted, and its versatility needs to be improved.

Accordingly, a new technical solution is needed in the art to solve the above problems.

SUMMARY OF THE INVENTION

In order to solve the above problem that the cross-sectional area of the passage of the air-inducing device cannot be adjusted in the prior art and its versatility needs to be improved, the present invention provides an air-inducing device, the air-inducing device is configured to be matched with the outdoor unit of the air conditioner and Including: an air induction channel body, the air induction channel body includes a first end configured to be connected to the air outlet of the outdoor unit of the air conditioner and a second end configured to be connected to a predetermined air exhaust device, so that the The air blown from the outdoor unit of the air conditioner can be guided to the predetermined air exhaust device, wherein the cross section of the air introduction channel body perpendicular to the wind flow direction is adjustable.

Those skilled in the art can understand that, in the technical solution of the present invention, an air induction device is arranged between the air outlet of the outdoor unit of the air conditioner and the preset air exhaust device. The air induction device is connected to the air outlet of the outdoor unit of the air conditioner through the first end of the air induction channel body and the second end of the air induction channel body is connected to the predetermined air exhaust device, so that the air flow from the air outlet can follow the induction air. The device is discharged from the predetermined exhaust device, which can ensure that the heat exchange air is distributed to the outside environment along the air induction device through the predetermined exhaust device, effectively reducing the temperature of the working environment around the outdoor unit of the air conditioner, and there will be no return air entering the heat exchanger. The phenomenon that affects the heat exchange efficiency can improve the indoor cooling efficiency. At the same time, the air induction channel body of the air induction device is set to be adjustable in cross section perpendicular to the wind flow direction, so that the air induction channel body with adjustable cross section can be adapted to different specifications of air conditioner outdoor units, thus improving the air induction. device versatility.

In a preferred technical solution of the above air induction device, the air induction channel body includes an adjustment portion positioned at the first end, and the adjustment portion is configured to change the cross section of the air induction channel body. Since the first end of the air duct body is connected to the air outlet of the outdoor unit, the cross-sectional size of the air inlet end of the air duct body can be adjusted by arranging the adjustment part at the first end to match the air outlet on the outdoor unit of different specifications. Thus, the versatility of the induced draft device is enhanced.

In a preferred technical solution of the above-mentioned air induction device, the adjustment part comprises: a base; a plurality of blades arranged along the circumference of the base and rotatably connected with the base; a driving part configured to be rotatable The plurality of blades are synchronously driven to move along a preset trajectory, and each blade is rotated about a respective axis of rotation to adjust the area of the central hole enclosed by the plurality of blades. The adjusting part includes a plurality of blades circumferentially arranged on the base and a driving part that can synchronously drive the blades to move along a preset track, and the plurality of blades can be driven to rotate around their respective rotation axes by the driving part. During the rotation of the blades, the area of the central hole enclosed by the plurality of blades changes with the rotation of the blades, so that the adjustment part can adjust the cross section of the air induction channel, thereby enhancing the versatility of the air induction device.

In a preferred technical solution of the above-mentioned air-inducing device, the air-inducing channel body is configured to be surrounded by channel walls having two opposite and overlapping edges, and the channel walls are configured to be able to be changed by changing the edges of the edges. The overlapping portion changes the cross-section of the draft channel structure. Since the air induction channel body is configured to be enclosed by the channel walls, the channel wall can be expanded into a plane or a curved surface, the length of the plane or curved surface can determine the length of the air induction channel, and the width of the plane or curved surface can determine the length of the air induction channel. perimeter. And because the channel wall has opposite and can form overlapping edges, the perimeter of the air channel is equal to the width of the plane or curved surface minus the length of the overlapping edge, which means that the perimeter of the air channel can be adjusted by adjusting the overlapping edge. The length of the air induction channel can be changed, and the cross-sectional area enclosed by the perimeter of the air induction channel can be changed to match the outdoor units of different specifications, thereby enhancing the versatility of the air induction device.

In a preferred technical solution of the above-mentioned air induction device, the air induction channel body further includes an elastic part, the elastic part is positioned between the first end and the second end, and the length of the elastic part is equal to the length of the elastic part. The bending direction is variable. By arranging an elastic portion between the first end and the second end of the air-inducing channel, the length of the elastic portion can be changed, so as to be suitable for application environments with different distances between the air outlet and the air exhaust device. The bending direction of the elastic portion can be changed, so as to be suitable for the application environment where the air exhaust device is arranged in different directions of the air outlet. Therefore, by arranging an elastic portion whose length and bending direction can be changed between the first end and the second end of the air-inducing channel, the versatility of the air-inducing device can be further enhanced.

In a preferred technical solution of the above-mentioned air-inducing device, the air-inducing device further comprises a first connector, and the first connector is configured to detachably connect the first end to the casing of the outdoor unit of the air conditioner connect. The first end of the air-inducing device can be connected to the casing of the outdoor unit of the air conditioner through the first connecting piece, so as to enhance the stability of the connection between the air-inducing device and the casing of the outdoor unit of the air conditioner. Ease of maintenance of the wind device.

In a preferred technical solution of the above-mentioned air-inducing device, the air-inducing device further comprises a second connecting piece, and the second connecting piece is configured to detachably connect the second end to the predetermined air exhausting device. The second end of the air induction device can be connected to the air exhaust device through the second connector to enhance the stability of the connection between the air induction device and the air exhaust device, and at the same time, it can be connected in a detachable manner to improve the maintenance of the air induction device. Convenience.

In a preferred technical solution of the above-mentioned air induction device, the first connector and/or the second connector is a screw connector or a cable tie. Setting the first connector and/or the second connector as a threaded connector or a tie can not only realize the detachable fixed connection between the air induction device and the housing or the air exhaust device, but also the threaded connector or the tie can also be used. It has the characteristics of simple structure, reliable connection and convenient assembly and disassembly.

In a preferred technical solution of the above-mentioned air induction device, the first connecting member and/or the second connecting member are made of magnetic material. Setting the first connecting piece and/or the second connecting piece to be made of magnetic material can not only realize the detachable fixed connection between the air induction device and the housing or the air exhaust device, but also make the air induction device have a simple structure, Reliable connection and convenient assembly and disassembly.

The present invention also provides an air conditioner outdoor unit, the air conditioner outdoor unit includes: a main body with an air outlet; the air inducing device according to any one of the above, wherein the air inducing device is configured as a first One end is connected to the air outlet, and the second end is connected to a predetermined air exhaust device, so that the air blown from the air conditioner outdoor unit can be guided to the predetermined air exhaust device. By arranging a draft device between the outdoor unit of the air conditioner and the predetermined exhaust device, the air blown from the outdoor unit of the air conditioner can be guided to the predetermined exhaust device, so as to improve the external ambient temperature at the air inlet of the outdoor unit of the air conditioner, and thus can Improve the heat exchange efficiency of the air conditioner.

Description of drawings

Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:

1 is a schematic front plan view of the structure of an embodiment of an air conditioner outdoor unit with a draft device of the present invention;

Fig. 2 is the left side plan view of the structure of the structure of the air conditioner outdoor unit embodiment with the draft device of the present invention;

Fig. 3 is the schematic plan view of the embodiment of the draft channel in the draft device of the present invention;

4 is a schematic top plan view of the structure of the first embodiment of the air conditioner outdoor unit with the draft device of the present invention;

5 is a schematic top plan view of the structure of the second embodiment of the air conditioner outdoor unit with the draft device of the present invention;

6 is a schematic top plan view of the structure of the third embodiment of the air conditioner outdoor unit with the draft device of the present invention;

7 is a schematic perspective view of an embodiment of an adjustment portion in an embodiment of the draft device of the present invention;

8 is a schematic front plan view of an embodiment of an adjustment portion in an embodiment of the draft device of the present invention;

9 is a schematic top plan view of an embodiment of an adjustment portion in an embodiment of the draft device of the present invention;

10 is a bottom plan schematic view of an embodiment of an adjustment portion in an embodiment of the draft device of the present invention;

11 is a perspective view of an embodiment of a blade in an adjustment part in an embodiment of the draft device of the present invention;

12 is a schematic front plan view of an embodiment of a blade in an adjustment portion in an embodiment of the draft device of the present invention;

13 is a schematic plan view of the structure of the embodiment of the first opening state of the plurality of blades in the adjustment portion in an embodiment of the draft device of the present invention;

14 is a schematic plan view of the structure of the embodiment of the second opening state of the plurality of blades in the adjustment portion in an embodiment of the draft device of the present invention;

15 is a schematic plan view of the structure of the embodiment of the third opening state of the plurality of blades in the adjustment portion in an embodiment of the draft device of the present invention;

Fig. 16 is the expanded plan view of the embodiment of the channel wall in another embodiment of the draft device of the present invention;

Figure 17 is a closed plan schematic view of an embodiment of a channel wall in another embodiment of the draft device of the present invention.

List of reference numerals:

1. Outdoor unit of air conditioner; 11. Air inlet; 12. Housing; 13. Air outlet; 2. Exhaust device; 21. Exhaust connection; 3. Air induction device; 31. First connector; 31a, No. a cable tie; 31b, a first threaded part; 31c, a first magnetic part; 33a, a second cable tie; 33b, a second threaded part; 33c, a second magnetic part; 32, the air induction channel body; 32a, the first 32b, the second end; 321, the first connection part; 3211, the first connection hole; 322, the second connection part; 3221, the second connection hole; 323, the elastic part; 324, the channel wall; 324a, the channel wall 324b, second edge of channel wall; 3241, overlapping part; 325, adjusting part; 251, base; 511, connecting hole; 252, blade; 521, rotating hole; 522, moving rod; 523, blade body 523a, round end; 523b, tip; 523c, inner edge; 523d, outer edge; 253, cover plate; 531, moving groove; 531a, inner end; 531b, outer end; 254, connecting shaft; 255, central hole.

Detailed ways

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principle of the present invention, and are not intended to limit the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "top", " The terms indicated in the direction or positional relationship such as "bottom" are based on the direction or positional relationship shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, in a specific orientation construction and operation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In addition, it should also be noted that, in the description of the present invention, unless otherwise expressly specified and limited, terms such as “installation”, “connection”, “arrangement” and “connection” should be interpreted in a broad sense, for example, It can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can also be the internal communication between the two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In order to solve the above problem that the cross-sectional area of the passage of the air-inducing device cannot be adjusted in the prior art, and its versatility needs to be improved, the present invention provides an air-inducing device 3, which is configured to be matched with the air conditioner outdoor unit 1 It also includes: an air induction channel body 32, the air induction channel body 32 includes a first end 32a configured to be connected to the air outlet 13 of the air conditioner outdoor unit 1 and a second end configured to be connected to the predetermined air exhaust device 2. 32b, so that the wind blown from the air conditioner outdoor unit 1 can be guided to the predetermined air exhaust device 2, wherein the cross section of the air induction channel body 32 perpendicular to the wind flow direction is adjustable. By arranging the air induction device 3 between the air outlet 13 of the air conditioner outdoor unit 1 and the preset air exhaust device 2, the air flow from the air outlet 13 can be discharged from the predetermined air exhaust device 2 along the air induction device 3, In order to reduce the temperature of the working environment around the outdoor unit 1 of the air conditioner. By setting the air-inducing channel body 32 of the air-inducing device 3 to be adjustable in cross-section perpendicular to the wind flow direction, it can adapt to different specifications of the air conditioner outdoor unit 1 , thus improving the versatility of the air-inducing device 3 .

1 is a schematic front plan view of the structure of an embodiment of an air conditioner outdoor unit with a draft device of the present invention; FIG. 2 is a left side plan view of the structure of an embodiment of an air conditioner outdoor unit with a draft device of the present invention. As shown in FIGS. 1 and 2 , in one or more embodiments, the air conditioner outdoor unit 1 includes a housing 12 , and an air inlet is provided on the rear side (the left side based on the orientation shown in FIG. 2 ) of the housing 12 11, and an air outlet 13 is provided on the front side of the housing 12 (the right side based on the orientation shown in FIG. 2). The casing 12 at the air outlet 13 is provided with casing connecting holes (not shown in the figure). The housing connection holes are arranged along the circumferential direction of the air outlet 13 . As shown in FIG. 2 , in one or more embodiments, a preset air exhaust device 2 is provided on the front side of the outdoor unit 1 of the air conditioner. Alternatively, the preset air exhaust device 2 may be located at other suitable positions such as above, below, or on the side of the air conditioner outdoor unit 1, and the preset air exhaust device 2 is provided with an exhaust air connection portion 21 (see FIGS. 4-6 ). ). The preset air exhaust device 2 includes, but is not limited to, window sill grills, other types of air grills, or other structures suitable for air exhaust.

As shown in FIG. 2 , a draft device 3 is provided between the outdoor unit 1 of the air conditioner and the preset exhaust device 2 . In one or more embodiments, the air induction device 3 includes an air induction channel body 32 , a first connector 31 and a second connector 33 . The air induction channel body 32 has a first end 32a and a second end 32b opposite to each other, the first end 32a and the housing 12 are detachably and fixedly connected through the first connecting piece 31 , and the second connecting piece 33 The end 32b and the preset air exhaust device 2 are detachably and fixedly connected.

FIG. 3 is a schematic plan view of an embodiment of an air induction channel in the air induction device of the present invention. As shown in FIG. 3 , in one or more embodiments, the air induction channel body 32 is a substantially cylindrical pipe structure. Alternatively, the air induction channel body 32 may be provided in other suitable shapes, such as polygons. A first connecting portion 321 is provided on the first end 32 a of the air induction channel body 32 . The first connecting portion 321 extends outward along the radial direction of the air induction channel body 32 on the outer circumference of the first end 32a to form an annular ring structure (which may be referred to as a "connecting flange") on the outer circumference of the first end 32a. ”). Alternatively, the first connecting portion 321 may also use lugs instead of the annular ring structure (ie, the outer circumference of the first end 32a is provided with a structure extending radially outward of the air-inducing channel body 32 at intervals). A first connection hole 3211 is provided on the first connection portion 321 . The first connection holes 3211 are arranged along the circumferential direction of the first connection portion 321, and are configured to be matched with the case connection holes (not shown in the drawings).

As shown in FIG. 3 , in one or more embodiments, a second connecting portion 322 is further provided on the second end 32 b of the air induction channel body 32 . The second connecting portion 322 extends inwardly along the radial direction of the air channel body 32 on the outer circumference of the second end 32b to form an annular ring structure in the circumferential direction of the second end 32b. Alternatively, the second connecting portion 322 may also use lugs to replace the annular ring structure (that is, a structure extending inward along the radial direction of the air-inducing channel body 32 is provided at intervals on the outer circumference of the second end 32b), or the second The connecting portion 322 may also extend outward along the radial direction of the air induction channel body 32 . A second connection hole 3221 is provided on the second connection part 322 , and the second connection hole 3221 is arranged along the circumferential direction of the second connection part 322 and is configured to be matched with the exhaust air connection part 21 .

As shown in FIG. 3 , in one or more embodiments, an elastic portion 323 is provided between the first end 32 a and the second end 32 b of the air induction channel body 32 . The elastic part 323 is arranged in a retractable bellows structure. Setting the elastic portion 323 into a retractable bellows structure can, on the one hand, compensate and absorb the axial, lateral and angular thermal deformation of the draft passage, and reduce the impact of vibration on the draft passage; on the other hand, the draft device can be applied to the length of Or when the direction needs to be adjusted, the versatility of the air induction device 3 can be improved.

4 is a schematic top plan view of the structure of the first embodiment of the air conditioner outdoor unit with the draft device of the present invention. As shown in FIG. 4 , in one or more embodiments, the first connector 31 is configured as a first cable tie 31a. The first cable tie 31a connects the housing 12 and the first connecting portion 321 through the housing connecting hole (not shown in the figure) and the first connecting hole 3211 . The second connector 33 is provided as a second cable tie 33a. The second cable tie 33a connects the second connection portion 322 to the preset air exhaust device 2 through the second connection hole 3221 and the air exhaust connection portion 21 .

Fig. 5 is a schematic top plan view of the structure of the second embodiment of the outdoor unit of the air conditioner having the draft device of the present invention. As shown in FIG. 5 , in one or more embodiments, the first connecting member 31 is configured as a first screw member 31b. The first screw member 31b connects the housing 12 with the first connecting portion 321 through the housing connecting hole (not shown in the figure) and the first connecting hole 3211 . The second connection member 33 is provided as a second screw member 33b. The second screw member 33b connects the second connection portion 322 to the preset air exhaust device 2 through the second connection hole 3221 and the exhaust air connection portion 21 .

6 is a schematic top plan view of the structure of the third embodiment of the outdoor unit of the air conditioner provided with the draft device of the present invention. As shown in FIG. 6 , in one or more embodiments, the first connecting member 31 is configured as a first magnetic member 31c. The first magnetic member 31c is a magnetic material coated around the connection hole (not shown in the figure) of the casing and around the corresponding first connection hole 3211 . Therefore, a detachable connection can be formed between the housing 12 and the first connecting portion 321 by the magnetic force of the first magnetic member 31c. The second connecting member 33 is provided as a second magnetic member 33c. The second magnetic member 33c is a magnetic material coated around the exhaust air connection portion 21 and the corresponding second connection hole 3221. Therefore, the exhaust air connecting portion 21 and the second connecting portion 322 can be detachably connected by the magnetic force of the second magnetic member 33c.

Alternatively, when the first connecting member 31 is set as a cable tie, the second connecting member 33 is set as a threaded member or a magnetic member; when the first connecting member 31 is set as a threaded member, the second connecting member 33 is set as a cable tie or Magnetic piece; when the first connecting piece 31 is set as a magnetic piece, the second connecting piece 33 is set as a screw piece or a cable tie. Alternatively, the first connecting member 31 and the second connecting member 33 are provided in other suitable connection forms.

FIG. 7 is a schematic perspective view of an embodiment of the adjustment part in an embodiment of the draft device of the present invention; FIG. 8 is a schematic front plan view of an embodiment of the adjustment part in an embodiment of the draft device of the present invention; FIG. 9 is a schematic top plan view of an embodiment of the adjustment portion in an embodiment of the draft device of the present invention; FIG. 10 is a schematic bottom plan view of an embodiment of the adjustment portion in an embodiment of the draft device of the present invention. As shown in FIGS. 7-10 , in one or more embodiments, an adjustment portion 325 is provided at the first end 32 a of the air induction channel body 32 , the adjustment portion 325 is a substantially disc-shaped structure, and the adjustment portion 325 The outer diameter is approximately equal to the inner diameter of the air induction channel body 32 , so that the adjustment portion 325 can be placed inside the air induction channel body 32 .

As shown in FIGS. 7-10 , in one or more embodiments, the adjustment portion 325 includes a base 251 , a plurality of blades 252 , a connecting shaft 254 and a cover plate 253 . The base 251 is substantially annular, and is configured to form a fixed connection with the inside of the air induction channel body 32 at the first end 32a through an interference fit. A plurality of connecting holes 511 are uniformly provided on the base 251 along the circumferential direction, and a connecting shaft 254 is installed in each connecting hole 511 .

As shown in FIGS. 7-10 , in one or more embodiments, a cover plate 253 which is parallel and concentrically arranged with the base 251 is provided at a predetermined distance from the base 251 . Like the base 251 , the cover 253 also has a substantially annular shape, and the size of the cover 253 is arranged so as to be substantially the same as the size of the base 251 . A plurality of moving grooves 531 are uniformly provided on the cover plate 253 along the circumferential direction. Each moving slot 531 extends for a predetermined length on the base 251 in a radial direction and along a predetermined curved path. The moving slot 531 has an inner end 531a and an outer end 531b opposite to each other, and a slot with a predetermined arc is formed between the inner end 531a and the outer end 531b.

11 is a perspective view of an embodiment of the blade in the adjustment part in an embodiment of the draft device of the present invention; FIG. 12 is an embodiment of the blade in the adjustment part in an embodiment of the draft device of the present invention Schematic diagram of the front view. As shown in FIGS. 11 and 12 , in one or more embodiments, the blade 252 includes a blade body 523 that is generally crescent-shaped (or petal-shaped). The blade body 523 has opposing rounded ends 523a and tips 523b, and opposing inner and

outer edges

523c and 523d. A rotation hole 521 is provided on the blade body 523 at the rounded end 523a, and the rotation hole 521 is positioned close to the outer edge 523d. A moving rod 522 is provided on the blade body 523 at a position extending from the rotation hole 521 along the arc direction of the outer edge 523d by a predetermined distance. The moving rod 522 extends from the blade body 523 in a direction perpendicular to the blade body 523 .

As shown in FIGS. 7-10 , in one or more embodiments, a plurality of blades 252 are provided between the base 251 and the cover plate 253 . The plurality of blades 252 are evenly and gradually superimposed along the circumference of the base 251 . The rotating hole 521 on each blade receives a corresponding one of the connecting shafts 254 . Alternatively, the connecting shaft 254 may be integrally formed with the blade 252 . Each blade 252 is rotatable about the corresponding connecting shaft 254 within the connecting hole 511 on the base 251 . Alternatively, the connecting shaft 254 may be integrally formed with the base 251 . Each blade 252 is rotatable relative to the corresponding connecting shaft 254 .

As shown in FIGS. 7-9 , the blade 252 is connected to the moving slot 531 through the moving rod 522 , and the moving rod 522 can drive the blade 252 to move along the moving slot 531 (having a preset length and a preset arc, ie, a preset trajectory). Since the round end 252a of the blade 252 forms a rotatable fixed connection with the base through the connecting shaft 254 , the movement of the moving rod 522 in the moving slot 531 is converted to the rotation of the blade 252 around the connecting shaft 254 . The rotation angle and amplitude of the blade 252 depend on the preset length and arc of the moving slot 531 .

Fig. 13 is a schematic plan view of the structure of the embodiment of the first opening state of the plurality of blades in the adjustment part in an embodiment of the draft device of the present invention; Fig. 14 is an embodiment of the draft device of the present invention Figure 15 is a schematic plan view of the structure of the embodiment of the second opening state of the plurality of blades in the adjustment part in the present invention; Figure 15 is the third opening of the plurality of blades in the adjustment part in an embodiment of the draft device of the present invention. A schematic plan view of the structure of an embodiment of a degree state. As shown in FIGS. 13-15 , in one or more embodiments, the driving part (not shown in the figures) is configured to synchronously drive the plurality of blades 252 to move along the respective moving slots 531 through the moving rod 522 , and The plurality of blades 252 are made rotatable about their respective mating connecting shafts 254 . During the synchronous rotation of the plurality of blades 252, the size of the central hole 255 formed by the inner edges 252c of the plurality of blades 252 changes as the plurality of blades 252 rotate.

As shown in FIG. 13 , when the moving rods 522 on the plurality of blades 252 are synchronously driven by the driving part to move to the outer ends 531b of the corresponding moving grooves 531, the central hole 255 surrounded by the inner edges 252c of the plurality of blades 252 is the largest, That is, the plurality of blades 252 are in the fully open state 252c. As shown in FIG. 14 , when the moving rods 522 on the plurality of blades 252 are synchronously driven by the driving part to move to approximately the middle position of the corresponding moving grooves 531 , the central hole 255 formed by the inner edges 252 c of the plurality of blades 252 is the largest opening About half of the blade 252 is in the half-open state 252b. As shown in FIG. 15 , when the moving rods 522 on the plurality of blades 252 are synchronously driven by the driving part to move to the inner ends 531 a of the corresponding moving grooves 531 , the central hole 255 formed by the inner edges 252 c of the plurality of blades 252 is closed, that is, The plurality of vanes 252 are in a fully closed state 252a. It can be seen that the cross-sectional size of the air induction channel body 32 can be adjusted by adjusting the opening of the blades 252 .

Fig. 16 is a schematic expanded plan view of the embodiment of the channel wall in another embodiment of the draft device of the present invention; Fig. 17 is a closed plane of the embodiment of the channel wall in another embodiment of the draft device of the present invention Schematic. As shown in FIGS. 16 and 17 , in an alternative embodiment, the air induction channel body 32 may not include the adjustment portion 325 , and the air induction channel body 32 may be configured to be surrounded by a channel wall 324 . As shown in FIGS. 16 and 17, in one or more embodiments, the bendable or flexible channel wall 324 has opposite channel wall first edge 324a and channel wall second edge 324b, Edge 324a and channel wall second edge 324b overlap and fit to enclose a closed channel shape.

Based on the orientation shown in FIG. 17 , the inner side of the first edge 324a of the channel wall is abutted on the outer side of the second edge 324b of the channel wall. Alternatively, the outer side of the first edge 324a of the channel wall abuts the inner side of the second edge 324b of the channel wall. The overlapping portion of the first edge 324a of the channel wall and the second edge 324b of the channel wall is referred to as the overlapping portion 3241 . By adjusting the number of overlapping portions 3241 , the size of the inner diameter of the channel enclosed by the channel wall 324 can be changed. In other words, the more overlapping parts of the first edge 324a of the channel wall and the second edge 324b of the channel wall, the smaller the inner diameter of the channel enclosed by the channel wall 324, and the larger the inner diameter of the channel. Therefore, by adjusting the overlapping portion 324, the cross section of the air induction channel body 32 can be changed, so as to enhance the versatility of the air induction channel.

Based on the above-mentioned embodiment in which the channel wall 324 with a variable cross-sectional area is used to enclose the air-inducing channel body 32 , the structures of the corresponding first connecting

parts

321 and 322 at the first end 32 a and the second end 32 b are as follows: corresponding changes. As shown in FIG. 3 , the first connecting portion 321 and the second connecting portion 322 located at the first end 32 a and the second end 32 b are ring structures extending to the outside and inside of the air induction channel body 32 , respectively. Based on the orientation shown in FIG. 3 , when the inner side of the first edge 324a of the channel wall is attached to the outer side of the second edge 324b of the channel wall, the first edge and the second edge at the first connecting portion 321 will also overlap in the horizontal direction Also, the first edge and the second edge at the second connecting portion 322 will also overlap in the horizontal direction, since the elastic portion 323 is provided between the first end 32a and the second end 32b to allow the first connecting portion 321 and the second connecting portion 322 have suitable deformation in the horizontal direction.

As shown in FIGS. 4-6 , when the channel wall 324 with variable cross-sectional area is used to enclose the air-inducing channel body 32 , the first connecting portion 321 and the second connecting portion 322 are respectively connected to the housing 12 and the exhaust air. The connection mode of the part 21 can be adjusted accordingly as required. When the air induction channel body 32 enclosed by the channel wall 324 is adjusted to match the air outlet 13 , the first connection portion 321 is provided with a first connection hole 3211 that matches the connection hole of the casing, and then passes through the first connection hole 3211 . The cable tie 31a or the first screw 31b connects the first connection portion 321 to the housing 12 . Similarly, a second connection hole 3221 matching the exhaust air connection part 21 is provided on the second connection part 322, and then the second connection part 322 is connected with the air exhaust connection part 21 through the second cable tie 33a or the second screw 33b. connect.

When using the connecting piece of the first magnetic piece 31c and the second magnetic piece 33c, the first connecting part 321, the second connecting part 322, the casing connecting hole (not shown) and the exhaust connecting part 21 Magnetic material is coated on the top to realize the connection between the housing 12 and the first connection part 321 through the magnetic force of the first magnetic piece 31c and the connection between the exhaust connection part 21 and the second connection part through the magnetic force of the second magnetic piece 33c. 322 connections. Alternatively, the first connecting piece 31 and the second connecting piece 33 may adopt different connecting pieces or set the first connecting piece 31 and the second connecting piece 33 to other suitable connecting forms.

So far, the technical solutions of the present invention have been described with reference to the preferred embodiments shown in the accompanying drawings, however, those skilled in the art can easily understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without deviating from the principle of the present invention, those skilled in the art can combine the technical features of different embodiments, and can also make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will all fall into place. into the protection scope of the present invention.

Claims

An air-inducing device, characterized in that the air-inducing device is configured to be matched with an air conditioner outdoor unit and includes:

an air induction channel body, the air induction channel body includes a first end configured to be connectable to an air outlet of the air conditioner outdoor unit and a second end configured to be connected to a predetermined air exhaust device, so that the The air blown from the outdoor unit of the air conditioner may be guided to the predetermined air exhaust device,

Wherein, the cross section of the air induction channel body perpendicular to the wind flow direction is adjustable.
The air induction device according to claim 1, wherein the air induction channel body includes an adjustment portion positioned at the first end, and the adjustment portion is configured to change the air induction channel body. Cross section.
The air induction device according to claim 2, wherein the adjustment part comprises:

pedestal;

a plurality of vanes disposed circumferentially of the base and in rotatable connection with the base;

The driving part is configured to synchronously drive the plurality of blades to move along a preset trajectory, and rotate each blade about a respective rotation axis to adjust the area of the central hole enclosed by the plurality of blades.
The air induction device of claim 1, wherein the air induction channel body is configured to be surrounded by channel walls having two opposing and overlapping edges, the channel walls being configured to be changeable by changing The overlapping portion of the edges changes the cross-section of the draft channel structure.
The air-inducing device according to any one of claims 1-3, wherein the air-inducing channel body further comprises an elastic part, and the elastic part is positioned between the first end and the second end , and the length and bending direction of the elastic portion are variable.
The air-inducing device according to any one of claims 1-3, wherein the air-inducing device further comprises a first connector, and the first connector is configured to connect the first end to the The housing of the air conditioner outdoor unit is detachably connected.
The air-inducing device according to claim 6, wherein the air-inducing device further comprises a second connecting member, and the second connecting member is configured to connect the second end to the predetermined air exhausting device. Removably connected.
The air induction device according to claim 7, wherein the first connecting member and/or the second connecting member is a threaded connecting member or a cable tie.
The air induction device according to claim 7, wherein the first connecting piece and/or the second connecting piece are made of magnetic material.
An air conditioner outdoor unit, characterized in that the air conditioner outdoor unit includes:

a body, an air outlet is provided on the body;

The air-inducing device according to any one of claims 1-9, wherein the air-inducing device is configured such that a first end is connected to the air outlet, and a second end is connected to a predetermined air exhaust device, so that the air is discharged from the air outlet. The air blown from the outdoor unit of the air conditioner may be guided to the predetermined air exhaust device.