CN215372700U

CN215372700U - Machine and air conditioner in new trend device, air conditioning

Info

Publication number: CN215372700U
Application number: CN202121584075.0U
Authority: CN
Inventors: 张宏闯; 暨文伟
Original assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-12-31
Anticipated expiration: 2031-07-12

Abstract

The utility model provides a fresh air device, an air conditioner indoor unit and an air conditioner. The fresh air device comprises an electric control box, a volute and a wind wheel, the volute is connected with the electric control box and encloses to form an air channel, and the air channel is provided with an air inlet and an air outlet; the wind wheel is rotatably arranged in the air duct and used for guiding airflow to enter from the air inlet, and the airflow passes through the wind wheel in the air duct and then is discharged from the air outlet. Compared with the existing fresh air device, the fresh air device can reduce the volume of the fresh air device.

Description

Machine and air conditioner in new trend device, air conditioning

Technical Field

The utility model relates to the technical field of household appliances, in particular to a fresh air device, an air conditioner indoor unit and an air conditioner.

Background

At present, among the correlation technique, the new trend module and the automatically controlled module of air conditioner are separately setting usually, so set up for the spare part of new trend module and automatically controlled module is more, and the two separately sets up shared space great, leads to the fuselage size of air conditioner great, and the material quantity is many and causes manufacturing cost height.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a fresh air device, aiming at reducing the volume of the fresh air device.

In order to achieve the above object, the present invention provides a fresh air device, including:

an electronic control box;

the volute is connected with the electric control box and encloses to form an air duct, and the air duct is provided with an air inlet and an air outlet; and

the wind wheel is rotatably arranged in the air duct and used for guiding airflow to enter from the air inlet, and the airflow passes through the wind wheel in the air duct and then is discharged from the air outlet.

In one embodiment, the air duct includes an air inlet duct and an air outlet duct, and the volute and the electronic control box are enclosed to form the air inlet duct and/or the air outlet duct.

In an embodiment, the volute includes a volute bottom box and a volute cover plate, the electronic control box includes a side plate, the volute bottom box is disposed between the side plate and the volute cover plate, the volute bottom box is detachably connected with the side plate, and the volute cover plate detachably covers the volute bottom box or the side plate.

In an embodiment, the volute bottom box comprises a volute box and a surrounding plate, the volute box is provided with an air inlet and an air outlet, the volute box and the side plate are surrounded to form the air outlet duct, and the air outlet duct is communicated with the air inlet and the air outlet.

In an embodiment, a first protruding rib is arranged on one side of the side plate facing the worm box, the side of the worm box facing the side plate is open, and a first slot for the first protruding rib to be inserted is arranged on the inner side wall of the open of the worm box.

In an embodiment, the side plate, the enclosure plate, the scroll box and the scroll cover plate enclose to form the air inlet duct, the enclosure plate is provided with the air inlet and the air outlet, the air inlet duct communicates with the air inlet and the air inlet hole, and the air outlet hole communicates with the air outlet.

In an embodiment, one side of the side plate facing the enclosing plate is provided with a second protruding rib, and the inner side wall of the enclosing plate is provided with a second slot for the second protruding rib to be inserted correspondingly.

In an embodiment, the volute cover plate is provided with an elastic buckle, the outer side wall of the enclosing plate is provided with a buckling table, and the buckling table is clamped in the elastic buckle.

In an embodiment, a flange is arranged at the edge of one side of the enclosing plate, which faces the volute cover plate, one side of the volute cover plate, which faces the enclosing plate, is open, and a limiting groove for the flange to be correspondingly inserted is arranged on the inner side wall of the volute cover plate.

In an embodiment, a screw connection column is disposed on one side of the side plate facing the spiral case bottom box, a first screw connection hole and a second screw connection hole corresponding to the screw connection column are respectively disposed through the spiral case cover plate and the spiral case bottom box, and the spiral case cover plate, the spiral case bottom box and the side plate are sequentially connected together by penetrating through the first screw connection hole, the second screw connection hole and the screw connection column by using a connecting piece.

In one embodiment, the coaming is integrally formed with the worm box; or,

the coaming and the volute cover plate are integrally formed; or,

the coaming and the side plate are integrally formed.

In an embodiment, the electronic control box comprises a box body and an electronic control board, wherein a guide strip is arranged in the box body, and a containing groove for containing the electronic control board is formed by the guide strip and the box body in a surrounding manner.

The utility model also provides an air-conditioning indoor unit which comprises the fresh air device. The fresh air device comprises an electric control box, a volute and a wind wheel, the volute is connected with the electric control box and encloses to form an air channel, and the air channel is provided with an air inlet and an air outlet; the wind wheel is rotatably arranged in the air duct and used for guiding airflow to enter from the air inlet, and the airflow passes through the wind wheel in the air duct and then is discharged from the air outlet.

The utility model further provides an air conditioner which comprises an air conditioner outdoor unit and the air conditioner indoor unit, wherein the air conditioner outdoor unit is connected with the air conditioner indoor unit through a refrigerant pipe.

According to the fresh air device, the volute is connected with the electric control box, the volute and the electric control box are enclosed to form the air channel, the air channel is provided with the air inlet and the air outlet, the wind wheel is rotatably arranged in the air channel, the wind wheel is used for guiding airflow to enter from the air inlet, and the airflow is discharged outwards from the air outlet after passing through the wind wheel in the air channel; in addition, the volute and the electric control box reduce the using amount of parts and can reduce the production cost.

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 the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a fresh air device according to an embodiment of the present invention;

FIG. 2 is a schematic exploded view of the structure of FIG. 1;

FIG. 3 is a schematic diagram of the structure of FIG. 1 from another perspective;

FIG. 4 is a cross-sectional view taken along line 1-1 of FIG. 3;

FIG. 5 is a schematic structural view of the cartridge body in FIG. 2

FIG. 6 is a schematic diagram of the structure of FIG. 5 from another perspective;

FIG. 7 is a schematic view of the volute bottom box of FIG. 2;

FIG. 8 is a schematic diagram of the structure of FIG. 7 from another perspective;

FIG. 9 is a schematic view of the volute cover plate of FIG. 2;

FIG. 10 is a schematic diagram of the structure of FIG. 9 from another perspective;

fig. 11 is a schematic structural diagram of another embodiment of the fresh air device of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

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

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The present invention provides a fresh air device, and the fresh air device according to an embodiment of the present invention will be specifically described with reference to fig. 1 to 11.

Referring to fig. 1 to 4, in an embodiment of the fresh air device of the present invention, the fresh air device includes an electric control box 100, a volute 200 and a wind wheel 300, the volute 200 is connected to the electric control box 100 and encloses to form an air duct 210, and the air duct 210 has an air inlet 210a and an air outlet 210 b; the wind wheel 300 is rotatably disposed in the air duct 210, the wind wheel 300 is used for guiding the airflow to enter from the air inlet 210a, and the airflow passes through the wind wheel 300 in the air duct 210 and then is discharged from the air outlet 210 b.

Specifically, in order to refresh indoor air and improve indoor air quality, a fresh air device may be installed inside the indoor unit of the air conditioner, and outdoor fresh air may be introduced into the room through the fresh air device. The fresh air device can be also internally provided with a filter screen which is used for filtering and purifying air introduced from the outside. The fresh air device further comprises a motor 400, the motor 400 is arranged in the air duct 210, and the motor 400 is used for driving the wind wheel 300 to rotate so as to guide the airflow to flow in the air duct 210.

It can be understood that the electrical control box 100 can have multiple functions, for example, the electrical control box 100 can control a fresh air device, and the electrical control box 100 can also control an indoor unit of an air conditioner. The electric control box 100 comprises an electric control board 120, and the electric control board 120 can be electrically connected with the motor 400 in the volute 200 to control the motor 400 of the wind wheel 300; the electric control board 120 can also be electrically connected with a display box of the indoor unit of the air conditioner to control the display box.

Further, the volute 200 and the electronic control box 100 are enclosed to form an air duct 210, the whole air duct 210 may be enclosed by the volute 200 and the electronic control box 100, certainly, the volute 200 itself may form a part of the air duct 210, and the other part of the air duct 210 is enclosed by the volute 200 and the electronic control box 100, and may be specifically set according to needs, and is not limited herein. The number of the air ducts 210 may be one or more.

According to the fresh air device, the volute 200 is connected with the electric control box 100, the volute 200 and the electric control box 100 are enclosed to form the air duct 210, the air duct 210 is provided with the air inlet 210a and the air outlet 210b, the wind wheel 300 is rotatably arranged in the air duct 210, the wind wheel 300 is used for guiding airflow to enter from the air inlet 210a, and the airflow is discharged outwards from the air outlet 210b after passing through the wind wheel 300 in the air duct 210, so that the volute 200 and the electric control box 100 can share part of parts, and therefore the use amount of the parts is reduced, compared with the split arrangement of the existing electric control box 100 and the volute 200, the shared part of the parts of the volute 200 and the electric control box 100 can reduce the space occupied by the volute 200 and the electric control box 100, and therefore the volume of the fresh air device is reduced; in addition, the volute 200 and the electronic control box 100 reduce the use amount of parts and can reduce the production cost.

In an embodiment, the air duct 210 includes an air inlet duct 211 and an air outlet duct 212, and the volute 200 and the electronic control box 100 enclose to form the air inlet duct 211 and/or the air outlet duct 212. It can be understood that the air inlet duct 211 and the air outlet duct 212 are communicated in the fresh air device, and the air inlet duct 211 and the air outlet duct 212 are formed in various manners, such as but not limited to: when the air inlet duct 211 is formed by enclosing the volute 200 and the electronic control box 100, the air outlet duct 212 may be formed by the volute 200 itself, and the air outlet duct 212 may also be formed by enclosing the volute 200 and the electronic control box 100; when the air outlet duct 212 is formed by enclosing the volute 200 and the electronic control box 100, the air inlet duct 211 can be formed by the volute 200 itself, and the air inlet duct 211 can also be formed by enclosing the volute 200 and the electronic control box 100; of course, the air inlet duct 211 and the air outlet duct 212 may be formed by enclosing the scroll casing 200 and the electronic control box 100. Therefore, the air inlet duct 211 and the air outlet duct 212 of the present invention have various forming manners, and may be specifically configured according to needs, which is not limited herein.

Referring to fig. 1, fig. 2 and fig. 11, in an embodiment of the fresh air device of the present invention, the volute 200 includes a volute bottom box 220 and a volute cover plate 230, the electronic control box 100 includes a side plate 111, the volute bottom box 220 is disposed between the side plate 111 and the volute cover plate 230, the volute bottom box 220 is detachably connected to the side plate 111, and the volute cover plate 230 is detachably covered on the volute bottom box 220 or the side plate 111.

Specifically, the electrical control box 100 includes a housing, and the side plate 111 is a part of the housing, and the side plate 111 and the scroll casing 200 may enclose to form an air inlet duct 211 and/or an air outlet duct 212. There are various ways for detachably connecting the volute bottom box 220 to the side plate 111 of the electronic control box 100, such as but not limited to: the clamping connection or the screw connection is detachably connected with the side plate 111 through the volute bottom box 220, so that the connection mode of the volute 200 and the side plate 111 is simple, and the disassembly and the installation by an operator are convenient.

Further, in an embodiment, the volute cover plate 230 is detachably covered on the volute bottom box 220, the detachable connection mode may be a snap connection or a screw connection, the volute cover plate 230 and the volute bottom box 220 may enclose to form an accommodating cavity, and the accommodating cavity is used for accommodating the wind wheel 300 or the motor 400; in another embodiment, the volute cover plate 230 is detachably covered on the side plate 111 of the electronic control box 100, the detachable connection mode may be a snap connection or a screw connection, and the volute cover plate 230 and the side plate 111 may enclose to form an accommodating cavity for accommodating the wind turbine 300 or the motor 400. The volute bottom box 220 or the side plate 111 is detachably covered by the volute cover plate 230, so that the mode that the volute cover plate 230 is connected with the volute bottom box 220 or the side plate 111 is simple, an operator can assemble and disassemble the wind wheel 300 or the motor 400 conveniently, and the assembly and disassembly efficiency is improved.

Referring to fig. 2, 4, 7 and 8, in an embodiment, the volute bottom case 220 includes a volute case 221 and a surrounding plate 222, the volute case 221 is provided with an air inlet 2211 and an air outlet 2212, the volute case 221 and the side plate 111 surround to form the air outlet duct 212, and the air outlet duct 212 is communicated with the air inlet 2211 and the air outlet 2212.

Specifically, the volute 221 and the side plate 111 enclose to form the air outlet duct 212, that is, the side plate 111 encloses to form the air outlet duct 212 together with the inner wall of the volute 221 towards the side wall of the volute 221, the air outlet duct 212 at least includes a part of the side plate 111, and the arrangement is such that the side plate 111 is a shared part of the electronic control box 100 and the volute 200, the wind wheel 300 can be installed in the air outlet duct 212, and of course, the motor 400 can also be installed in the air outlet duct 212, and the motor 400 can drive the wind wheel 300 in the air outlet duct 212 to rotate. When the volute box 221 and the side plate 111 enclose to form the air outlet duct 212, the volute bottom box 220 and the volute cover plate 230 enclose to form the air inlet duct 211, or the volute bottom box 220 and the side plate 111 enclose to form the air inlet duct 211, that is, the air inlet duct 211 can be formed by the volute 200 itself, and can also be formed by enclosing the side plate 111, and the air inlet duct can be specifically set as required without limitation. The air inlet duct 211 is communicated with the air inlet hole 2211 of the worm box 221, the air outlet hole 2212 is communicated with the air outlet 210b, and the shapes of the air inlet hole 2211 and the air outlet hole 2212 are not particularly limited, and can be circular, square or irregular. Therefore, the volute box 221 and the side plate 111 are enclosed to form the air outlet duct 212, the side plate 111 enclosing the air outlet duct 212 is a shared part of the electric control box 100 and the volute 200, the part can reduce the using amount of parts, the size of the fresh air device is further reduced, meanwhile, the using amount of materials can be reduced, and the production cost of the fresh air device is further reduced.

Referring to fig. 2, 6 and 7, in an embodiment, a first rib 1111 is disposed on a side of the side plate 111 facing the worm case 221, the side of the worm case 221 facing the side plate 111 is open, and a first slot 2213 for inserting the first rib 1111 is disposed on an inner side wall of the open side of the worm case 221. It can be understood that, by arranging the first rib 1111 to cooperate with the first slot 2213, the position of the worm case 221 and the side plate 111 in the direction perpendicular to the first rib 1111 is limited, so as to prevent the worm case 221 from moving in the direction, and at the same time, to facilitate the positioning and assembling of the worm case 221 and the side plate 111. In this embodiment, the first rib 1111 is disposed on the side plate 111 in a semicircular shape, the first slot 2213 of the worm case 221 corresponds to the semicircular shape of the first rib 1111, when the first rib 1111 is inserted into the first slot 2213, the first rib 1111 abuts against the slot wall of the first slot 2213, so that the worm case 221 is tightly attached to the side plate 111, thereby preventing the air leakage between the worm case 221 and the side plate 111, and thus, the arrangement improves the reliability of the air flow flowing in the air outlet duct 212.

Referring to fig. 2 to 4, in an embodiment, the side plate 111, the enclosure 222, the scroll box 221 and the scroll cover plate 230 enclose to form the air inlet duct 211, the enclosure 222 is provided with the air inlet 210a and the air outlet 210b, the air inlet duct 211 communicates the air inlet 210a and the air inlet 2211, and the air outlet 2212 communicates with the air outlet 210 b.

It can be understood that the side plate 111, the enclosure 222, the scroll box 221 and the scroll cover plate 230 enclose to form the intake air duct 211, that is, the scroll box 221 is disposed in the enclosure 222, the scroll cover plate 230 and the scroll box 221 are disposed at intervals, the side plate 111 facing the enclosure 222, the inner wall of the enclosure 222, the outer wall of the scroll box 221 and the side wall of the scroll cover plate 230 facing the side plate 111 together enclose to form the intake air duct 211, and the intake air duct 211 is formed to include at least a part of the side plate 111, which is disposed such that the side plate 111 is a shared part of the electronic control box 100 and the scroll 200. In this embodiment, the wind wheel 300 is disposed in the wind outlet channel 212, the motor 400 is disposed in the wind inlet channel 211, and the motor 400 drives the wind wheel 300 in the wind outlet channel 212 to rotate, so that the airflow can enter from the wind inlet 210a, flow to the wind inlet 2211 after passing through the wind inlet channel 211, and then flow to the wind outlet 210b from the wind outlet 2212 after passing through the wind wheel 300 to be discharged outside. Therefore, the side plate 111, the enclosing plate 222, the scroll box 221 and the scroll cover plate 230 are enclosed to form the air inlet duct 211, the side plate 111 enclosing the air outlet duct 212 is a shared part of the electric control box 100 and the scroll casing 200, the parts can reduce the using amount of parts, the size of the fresh air device is reduced, meanwhile, the material using amount can be reduced, and the production cost of the fresh air device is reduced.

Further, the surrounding plate 222 may be provided with a connecting column, a cavity is provided in the connecting column, the cavity is communicated with the air inlet 210a, and the connecting column is used for connecting with a connecting pipe, so as to guide outdoor fresh air in through the connecting pipe. Through setting up the spliced pole to supply the connecting pipe cover to establish the installation.

Referring to fig. 2, 6 and 7, in an embodiment, a second rib 1112 is disposed on a side of the side plate 111 facing the enclosure 222, and a second slot 2221 for inserting the second rib 1112 is disposed on an inner side wall of the enclosure 222. It can be understood that, the side of the enclosing plate 222 facing the side plate 111 and the side facing the volute cover plate 230 are both open, and the second slot 2221 is provided on the side facing the side plate 111, and the second rib 1112 is provided on the side plate 111 in cooperation with the second slot 2221, so that the enclosing plate 222 and the side plate 111 are limited in the direction perpendicular to the second rib 1112, so as to prevent the enclosing plate 222 from moving in the direction, and at the same time, facilitate positioning and assembling of the side plate 111 and the enclosing plate 222. In this embodiment, the second rib 1112 is disposed along the edge of the side plate 111, and when the second rib 1112 is inserted into the second slot 2221, the second rib 1112 is abutted to the slot wall of the second slot 2221, so that the side plate 111 and the side plate 111 are tightly attached to each other, thereby preventing air leakage between the surrounding plate 222 and the side plate 111, and thus, the arrangement improves the reliability of the airflow flowing in the air inlet duct 211.

Referring to fig. 2, 7 to 10, in an embodiment, the volute cover plate 230 is provided with an elastic buckle 231, the outer side wall of the surrounding plate 222 is provided with a buckle table 2222, and the buckle table 2222 is clamped in the elastic buckle 231.

Specifically, there may be a plurality of fastening platforms 2222, a plurality of fastening platforms 2222 may be arranged at intervals along the circumferential direction of the enclosing plate 222, and correspondingly, there may also be a plurality of elastic fasteners 231, when the volute cover plate 230 and the enclosing plate 222 are installed, the volute cover plate 230 and the enclosing plate 222 are stably connected by fastening the plurality of elastic fasteners 231 to the corresponding fastening platforms 2222, and the volute cover plate 230 is conveniently detached and installed by an operator by means of the elastic fasteners 231 and the fastening platforms 2222.

Further, the elastic buckle 231 is provided with a buckle slot, the buckle slot is formed by enclosing multiple sections of elastic arms, and the buckle slot is used for buckling the buckle table 2222, so that the elastic arms of the elastic buckle 231 can be buckled with the buckle table 2222. In this embodiment, the number of the fastening platforms 2222 is three, three fastening platforms 2222 are disposed on different sides of the surrounding plate 222, correspondingly, three elastic fasteners 231 are also disposed on the volute cover plate 230, and the three elastic fasteners 231 are respectively disposed on the three fastening platforms 2222, so that the volute cover plate 230 is covered on the surrounding plate 222, and thus the operation of covering the volute cover plate 230 on the surrounding plate 222 is simple, which is beneficial to improving the efficiency of detaching and installing the volute cover plate 230.

Referring to fig. 7, 8 and 10, in an embodiment, a flange 2223 is disposed at an edge of the surrounding plate 222 facing to one side of the volute casing cover plate 230, one side of the volute casing cover plate 230 facing to the surrounding plate 222 is open, and a limiting groove 232 for the flange 2223 to be inserted correspondingly is disposed on an inner side wall of the volute casing cover plate 230.

Specifically, when the volute cover plate 230 is covered on the surrounding plate 222, the flange 2223 is arranged to be matched with the limiting groove 232, so that the volute cover plate 230 and the surrounding plate 222 are limited in the direction perpendicular to the flange 2223, the volute cover plate 230 is prevented from moving in the direction, and the positioning, assembling and covering of the volute cover plate 230 and the surrounding plate 222 are facilitated. In this embodiment, turn-ups 2223 is around the circumference border setting of bounding wall 222, and when locating spiral case apron 230 lid on the bounding wall 222, turn-ups 2223 and spacing recess 232's cell wall butt for spiral case apron 230 is inseparable with the laminating of bounding wall 222, in order to avoid having the condition of gas leakage between spiral case apron 230 and the bounding wall 222, so sets up, has improved fresh air device's reliability.

Referring to fig. 2, 6, 8 and 10, in an embodiment, a bolt connection post 1113 is disposed on a side of the side plate 111 facing the volute bottom box 220, a first bolt connection hole 233 and a second bolt connection hole 2224 corresponding to the bolt connection post 1113 are respectively disposed through the volute cover plate 230 and the volute bottom box 220, and the volute cover plate 230, the volute bottom box 220 and the side plate 111 are sequentially connected together by a connection member passing through the first bolt connection hole 233, the second bolt connection hole 2224 and the bolt connection post 1113.

It is understood that the number of the screw studs 1113 may be one or more, and the number of the corresponding first screw holes 233 and second screw holes 2224 on the volute cover plate 230 and the volute bottom case 220 may also be one or more, and may be specifically set according to the needs, and is not limited herein. Be equipped with the screw in the spiro union post 1113, the connecting piece is the screw, and the screw passes first spiro union hole 233, second spiro union hole 2224 in proper order and with the screw threaded connection of spiro union post 1113 for the screw can be in the same place volute cover plate 230, the box 220 at the bottom of the volute and curb plate 111 link together, so set up, make volute cover plate 230, the box 220 at the bottom of the volute and curb plate 111 connect firmly, adopt the mode of screwed connection still to be convenient for the operator to dismantle simultaneously.

In one embodiment, the shroud 222 is integrally formed with the worm casing 221; alternatively, the shroud 222 is integrally formed with the volute cover plate 230; alternatively, the surrounding plate 222 is integrally formed with the side plate 111. It will be appreciated that the shroud 222 may be integrally formed with the scroll casing 221, i.e. the scroll casing 221 is one part and the scroll cover plate 230 is one part; alternatively, shroud 222 is integrally formed with volute cover plate 230, i.e., shroud 222 and volute cover plate 230 are one part, and volute casing 221 is one part; alternatively, the shroud 222 is integrally formed with the side plate 111, i.e., the shroud 222 and the side plate 111 are one piece, and the worm case 221 is one piece. Therefore, the connection modes of the enclosing plate 222, the volute casing 221, the side plate 111 and the volute cover plate 230 are various, and the design modes can be various due to various different connection modes, and the design modes can be specifically set according to requirements.

Referring to fig. 11, in another embodiment of the fresh air device of the present invention, the shroud 222 is integrally formed with the volute cover plate 230, the shroud 222 and the volute cover plate 230 are one component, and the volute casing 221 is one component. It can be understood that, when the scroll box 221 is a single component, the side plate 111 may be disposed in a flat plate shape or disposed in an inward concave shape, and the scroll box 221 may surround the side plate 111 to form the air inlet duct 211 and/or the air outlet duct 212, for example, the side plate 111 is disposed in a flat plate shape, and the scroll box 221 surrounds the flat plate-shaped side plate 111 to form the air outlet duct 212, and at this time, the air inlet duct 211 may be formed by the shroud 222 and the scroll cover plate 230; for another example, the side plate 111 is recessed, the volute casing 221 and the recessed side plate 111 enclose to form the air inlet duct 211, the enclosure plate 222 and the volute cover plate 230 form the air outlet duct 212, the air inlet duct 211 is communicated with the air outlet duct 212, and the wind wheel 300 is disposed in the air outlet duct 212. Therefore, the connection mode of the coaming 222, the worm box 221, the side plate 111 and the volute cover plate 230 is various, the corresponding air inlet duct 211 and the corresponding air outlet duct 212 can also be provided with various forming modes, the arrangement can be specifically carried out as required, only the electric control box 100 and the volute 200 need to be provided with a shared part, the shared part is a shared part, the shared part can reduce the using amount of parts, and further the volume of the fresh air device is reduced.

Referring to fig. 2 and 5, in an embodiment, the electrical control box 100 includes a box body 110 and an electrical control board 120, a guide bar 112 is disposed in the box body 110, and the guide bar 112 and the box body 110 enclose to form a receiving slot for receiving the electrical control board 120. It can be understood that the guide strip 112 is used for guiding the electric control board 120, and enabling the electric control board 120 to be clamped in a containing groove formed by the electric control board and the box body 110, and the electric control board 120 clamped in the containing groove is stably installed. The electric control box 100 further comprises a box cover 130, one side of the box body 110 is open, the box cover 130 covers the box body 110, and when the electric control board 120 is mounted and dismounted, the electric control board 120 can be assembled and dismounted by taking down the box cover 130. In this embodiment, the box body 110 includes the curb plate 111, and the gib block 112 encloses with the curb plate 111 and closes and form the storage tank, and the curb plate 111 not only encloses and closes and has formed the storage tank promptly to curb plate 111 still encloses and closes and has formed air inlet duct 211 and air outlet duct 212, and curb plate 111 is the sharing part of automatically controlled box 100 and spiral case 200, and the sharing part has reduced the quantity of part, and then has reduced the volume of new trend device, still is favorable to reducing the manufacturing cost of new trend device simultaneously.

The utility model further provides an air-conditioning indoor unit, which comprises a fresh air device, the specific structure of the fresh air module refers to the above embodiments, and the air-conditioning indoor unit adopts all the technical schemes of all the embodiments, so that the air-conditioning indoor unit at least has all the beneficial effects brought by the technical schemes of the embodiments, and the details are not repeated herein. The indoor unit of the air conditioner further comprises a display box, the electric control box 100 of the fresh air device comprises an electric control board 120, and the electric control board 120 is electrically connected with the display box to control the display box.

The present invention further provides an air conditioner, which includes an outdoor unit of an air conditioner and an indoor unit of an air conditioner, and the specific structure of the indoor unit of an air conditioner refers to the above embodiments. The air conditioner outdoor unit is communicated with the air conditioner indoor unit through a refrigerant pipe.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A fresh air device, comprising:

an electronic control box;

2. The fresh air device as claimed in claim 1, wherein the air duct includes an air inlet duct and an air outlet duct, and the volute and the electronic control box enclose the air inlet duct and/or the air outlet duct.

3. The fresh air device as claimed in claim 2, wherein the volute comprises a volute bottom box and a volute cover plate, the electronic control box comprises a side plate, the volute bottom box is arranged between the side plate and the volute cover plate, the volute bottom box is detachably connected with the side plate, and the volute cover plate is detachably covered on the volute bottom box or the side plate.

4. The fresh air device as claimed in claim 3, wherein the volute bottom box comprises a volute box and a surrounding plate, the volute box is provided with an air inlet and an air outlet, the volute box and the side plate are surrounded to form the air outlet duct, and the air outlet duct is communicated with the air inlet and the air outlet.

5. The fresh air device as claimed in claim 4, wherein the side plate has a first rib on a side facing the worm box, the side of the worm box facing the side plate is open, and the worm box has a first slot on an inner side wall of the open side for the first rib to be inserted correspondingly.

6. The fresh air device as claimed in claim 4, wherein the side plate, the enclosure plate, the volute case and the volute cover plate enclose to form the air inlet duct, the enclosure plate is provided with the air inlet and the air outlet, the air inlet duct communicates with the air inlet and the air inlet hole, and the air outlet hole communicates with the air outlet hole.

7. The fresh air device as claimed in claim 6, wherein the side plate has a second rib on a side facing the enclosure, and the inside wall of the enclosure has a second slot for the second rib to be inserted correspondingly.

8. The fresh air device as claimed in claim 6, wherein the volute cover plate is provided with an elastic buckle, the outer side wall of the enclosing plate is provided with a buckling platform, and the buckling platform is clamped in the elastic buckle.

9. The fresh air device as claimed in claim 6, wherein the edge of the side of the surrounding plate facing the volute casing cover plate is provided with a flange, the side of the volute casing cover plate facing the surrounding plate is open, and the inner side wall of the volute casing cover plate is provided with a limiting groove for the flange to be correspondingly inserted.

10. The fresh air device as claimed in claim 3, wherein a screw post is disposed on a side of the side plate facing the spiral casing bottom box, a first screw hole and a second screw hole corresponding to the screw post are respectively disposed through the spiral casing cover plate and the spiral casing bottom box, and the spiral casing cover plate, the spiral casing bottom box and the side plate are sequentially connected together by a connecting member passing through the first screw hole, the second screw hole and the screw post.

11. The fresh air device as claimed in claim 4, wherein the shroud is integrally formed with the volute; or,

the coaming and the volute cover plate are integrally formed; or,

the coaming and the side plate are integrally formed.

12. The fresh air device as claimed in claim 1, wherein the electrical control box comprises a box body and an electrical control board, a guide strip is arranged in the box body, and a containing groove for containing the electrical control board is formed by the guide strip and the box body in a surrounding manner.

13. An indoor unit of an air conditioner, characterized in that the indoor unit of an air conditioner comprises a fresh air device as claimed in any one of claims 1 to 12.

14. An air conditioner, characterized in that, the air conditioner includes air conditioning outdoor unit and the air conditioning indoor unit of claim 13, the air conditioning outdoor unit and the air conditioning indoor unit are connected through refrigerant pipe.