CN215983062U

CN215983062U - Air purification device and air conditioner indoor unit

Info

Publication number: CN215983062U
Application number: CN202121475384.4U
Authority: CN
Inventors: 邓雁波; 林炬烽; 张永欣; 吴兴利; 陈日泉
Original assignee: Panasonic Appliances Air Conditioning Guangzhou Co Ltd
Current assignee: Panasonic Appliances Air Conditioning Guangzhou Co Ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-03-08
Anticipated expiration: 2031-06-30

Abstract

The present invention relates to an air cleaning device and an air conditioning indoor unit. The air purification device comprises a box body, a filtering device, a centrifugal fan assembly and a blowout grid assembly; the filtering device is limited and fixed in the box body; the box body is provided with an indoor air inlet, an outdoor air inlet and a box plate air outlet; the blowing-out grille component is fixed outside the box body and is communicated with the box plate air outlet; air enters the box body from the indoor air inlet and/or the outdoor air inlet under the action of the centrifugal fan assembly, is filtered by the filtering device and then is exhausted from the box plate air outlet and the blowing grid assembly. The air purification device with the independent structure is applied to the indoor unit of the air conditioner, can effectively solve the technical problem of single function of the indoor unit of the air conditioner, is simple in structure, has low requirement on the matching degree of other functional components of the indoor unit of the air conditioner, and effectively reduces the difficulty of production, manufacturing and subsequent maintenance.

Description

Air purification device and air conditioner indoor unit

Technical Field

The utility model relates to the technical field of air-conditioning indoor units, in particular to an air purification device and an air-conditioning indoor unit.

Background

Along with the current air pollution which is getting worse, the requirement of people on the indoor air quality is higher and higher, the requirement on the air purification function is increased gradually, and the existing common household air conditioner indoor unit only has the single function of air temperature regulation. In order to combine the functions of an indoor unit of an air conditioner and an air purifier, a wall-mounted indoor unit of an air conditioner using an air purifier has been disclosed. For the vertical air-conditioning indoor unit, the air purification device is generally integrated in the air-conditioning indoor unit, and the air purification device is complex to match with other functional components of the air-conditioning indoor unit, so that the processing and assembling difficulty is high, the consumed time is long, the production efficiency is low, the economic benefit is influenced, meanwhile, the disassembly and assembly operation is inconvenient, and the subsequent service maintenance difficulty is high.

SUMMERY OF THE UTILITY MODEL

Accordingly, an object of the present invention is to provide an air cleaning device applied to an indoor unit of an air conditioner, which has advantages of simple structure and easy and convenient assembly and disassembly operation.

The air purification device provided by the embodiment of the utility model is applied to an indoor unit of an air conditioner and comprises a box body, a filtering device, a centrifugal fan assembly and a blowout grille assembly; the box body comprises a first box plate and a second box plate; the second box plate and the first box plate are spliced, fixed and enclosed to form a cavity; the filtering device is limited and fixed in the box body and divides the cavity into a first cavity and a second cavity; the box body is provided with an indoor air inlet, an outdoor air inlet and a box plate air outlet, the indoor air inlet and the outdoor air inlet are communicated with the first cavity, and the box plate air outlet is communicated with the second cavity; the blow-out grille component is fixed on the outer side of the second box plate and communicated with the box plate air outlet; the centrifugal fan assembly is arranged in the second cavity; air enters the first cavity from the indoor air inlet and/or the outdoor air inlet under the action of the centrifugal fan assembly, enters the second cavity after being filtered by the filtering device, and is discharged from the box board air outlet and the blowout grid assembly.

The air purification device provided by the embodiment of the utility model is provided with the indoor air inlet, the outdoor air inlet and the box plate air outlet through an integrated design by arranging the box body, forming an air flow channel in the box body by combining the driving action of the centrifugal fan assembly, and further forming the air purification device with an independent structure by arranging the filtering device.

Further, the centrifugal fan assembly comprises an air guide ring, a centrifugal fan and a fan motor; the air guide ring is fixedly arranged on the inner side of the second box plate, is of a hollow structure, and is provided with an air guide inlet and an air guide outlet, and the air guide outlet faces the air outlet of the box plate; the fan motor is fixedly arranged in the air guide ring, and the centrifugal fan is fixedly connected with the fan motor and driven by the fan motor to rotate around a shaft. The air guide ring is used for accommodating the centrifugal fan and limiting the air flowing direction through the arrangement of the air guide outlet.

Furthermore, the air guide ring is in a volute shape and is formed by enclosing a first air guide ring and a second air guide ring; the first air guide ring is provided with a first air guide through hole in an axial penetrating manner, and the second air guide ring is provided with a second air guide through hole in an axial penetrating manner; the fan motor comprises a motor cover and a motor body, the motor cover penetrates through the second air guide through hole and is fixed on the inner side of the second box plate, the motor body is positioned in the motor cover, and a driving shaft of the motor body movably penetrates through the motor cover and is fixedly connected with the centrifugal fan; the air guide inlet is the first air guide through hole and the second air guide through hole. The structure layout is reasonable due to the arrangement, and the space is fully utilized.

Furthermore, the indoor air inlet and the outdoor air inlet are arranged adjacently and are both positioned on one side of the back face of the indoor unit of the air conditioner, which faces the box body.

Further, the air inlet baffle plate assembly is further included; the air inlet baffle plate assembly is arranged between the indoor air inlet and the outdoor air inlet and comprises a driver and a baffle plate, the driver is fixedly connected with the baffle plate and drives the baffle plate to turn over and cover the indoor air inlet or the outdoor air inlet. Through the setting of driver, combine air conditioner's control system, through control the upset of baffle can control the air from outdoor or indoor entering, realizes the switching of air indoor circulation and outdoor circulation mode, improves functional diversity, satisfies the different demands of customer.

Furthermore, the box plate air outlet is positioned on one side of the box body facing the side face of the indoor unit of the air conditioner.

Furthermore, the blowout grid assembly comprises a blowout grid body, a grid body and a blade assembly, the blowout grid body is fixed on the outer side of the second box plate and is provided with an air outlet through hole in a penetrating manner, and the air outlet through hole is communicated with the box plate air outlet; the grille body is fixed in the air outlet through hole and used for preventing external insects or small animals and the like from entering the air purifying device; the blade assembly is fixed on the outer side of the blowout grid body and movably covers the air outlet through hole to adjust the air outlet direction.

Furthermore, the blade assembly comprises a plurality of fulcrum shafts, a plurality of blades, a connecting rod and a blade motor, one end of each blade is correspondingly and fixedly connected with the fulcrum shafts, and the other end of each blade is rotatably connected with the inner sides of the air outlet through holes; the plurality of fulcrum shafts are mutually parallel and rotatably fixed on the inner sides of the blowing grids, the connecting rods are respectively and fixedly connected with the blades, and the blade motor is fixedly connected with one of the fulcrum shafts and drives the fulcrum shaft to rotate around the central shaft.

Further, the gap between the grating strips of the grating body is less than 8 mm.

In addition, the embodiment of the utility model also provides an air-conditioning indoor unit, which comprises an indoor unit body and the air purification device; the indoor unit body comprises a shell, an accommodating cavity is arranged in the shell, and the air purification device is arranged in the accommodating cavity; the casing is provided with a casing air outlet and a fresh air inlet, the blowing-out grid assembly of the air purification device is fixedly arranged in the casing air outlet in a penetrating mode, and the fresh air inlet is communicated with the outdoor air inlet of the air purification device.

The air conditioner indoor unit provided by the embodiment of the utility model has the advantages that the air purification device with integrated design is arranged, the functions of temperature regulation, air purification and the like can be integrated, the functional diversity is improved, the integrated design structure of the air purification device is simple, the matching requirement of the air purification device with other structures is low, the production assembly and subsequent maintenance operation are simple and convenient, the production and maintenance difficulty is favorably reduced, and the economic benefit is improved.

For a better understanding and practice, the utility model is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is an exploded view of an air purification apparatus according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a second box board according to embodiment 1 of the present invention;

FIG. 3 is an exploded view of the centrifugal fan assembly according to example 1 of the present invention;

fig. 4 is an exploded view of the structure of the blowout grill assembly according to embodiment 1 of the present invention;

fig. 5 is a schematic view of the back side of the structure of the indoor unit of an air conditioner according to embodiment 2 of the present invention;

fig. 6 is a schematic view of an installation position of the air purification device in the indoor unit of the air conditioner according to embodiment 2 of the present invention;

fig. 7 is an exploded view of an indoor unit of an air conditioner according to embodiment 2 of the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Example 1

Referring to fig. 1-2, fig. 1 is an exploded schematic view of an air purification device according to embodiment 1 of the present invention, fig. 2 is a schematic view of a second box board according to embodiment 1 of the present invention, embodiment 1 of the present invention provides an air purification device, which is applied to an indoor unit of an air conditioner, and includes a box 10, a filtering device 20, a centrifugal fan assembly 30, and a blowout grill assembly 50; the box body 10 comprises a first box plate 11 and a second box plate 12; the second box plate 12 and the first box plate 11 are spliced, fixed and enclosed to form a cavity; the filtering device 20 is fixed in the box body 10 in a limiting manner and divides the cavity into a first cavity and a second cavity; the box body 10 is provided with an indoor air inlet 13, an outdoor air inlet 14 and a box plate air outlet 15, the indoor air inlet 13 and the outdoor air inlet 14 are both communicated with the first cavity, and the box plate air outlet 15 is communicated with the second cavity; the blowing-out grille component 50 is fixed on the outer side of the second box plate 12 and is communicated with the box plate air outlet 15; a centrifugal fan assembly 30 is disposed within the second chamber; air enters the first cavity from the indoor air inlet 13 and the outdoor air inlet 14 under the action of the centrifugal fan assembly 30, enters the second cavity after being filtered by the filtering device 20, and is discharged from the box plate air outlet 15 and the blowing grid assembly 50.

The air purification device in embodiment 1 of the present invention is an air purification device with an independent structure, which is applied to an existing air conditioning indoor unit, and can effectively solve the technical problem of single function of the air conditioning indoor unit, and is an independent structure, which has a simple structure, has low requirement on the degree of matching with other functional components of the air conditioning indoor unit, and effectively reduces the difficulty of production, manufacturing and subsequent maintenance, by the integrated design, the arrangement of the box body, the arrangement of the indoor air inlet, the outdoor air inlet and the box plate air outlet, and the driving action of the centrifugal fan assembly.

As an alternative, in this embodiment, the filtering device 20 is a filtering net, which matches the size of the box 10 and is fixed in the box 10; specifically, in this embodiment, the box body 10 is a hollow rectangular structure, and the first box plate 11 and the second box plate 12 are detachably spliced along the front-back direction of the indoor unit of the air conditioner and enclose to form the cavity with a rectangular cross section; further preferably, the first box plate 11 and the second box plate 12 are fixed by fixing screws, and the fixing stability is good and the disassembling and assembling operation is simple. The filter screen is in a shape matched with the cross section of the cavity; at least two limiting convex ribs 16 are convexly arranged on the corresponding positions of the inner side surfaces of at least two opposite side walls of the box body 10 along the horizontal direction, the filter screen is clamped and limited between the two limiting convex ribs 16, and the cavity is divided into a first cavity and a second cavity which are arranged along the height direction of the air purification device, and in other embodiments, the first cavity and the second cavity can also be arranged along the length direction or the width direction of the air purification device; the filter screen is good in stability in fixed arrangement, and in the dismounting operation, after the fixing screws between the first box plate 11 and the second box plate 12 are dismounted, the filter screen can be inserted between the two limiting convex ribs 16 or taken out, so that the operation is convenient; further preferably, as shown in fig. 1, the first box board 11 faces the front side of the indoor unit of the air conditioner, a filter screen is arranged in the inserting hole 17 in a penetrating mode, the filter screen is arranged in the inserting hole 17 in the horizontal direction, the length of the filter screen is matched with the width of the filter screen, and the height of the filter screen is correspondingly located between the heights of the two limiting convex ribs 16, so that the filter screen can be directly inserted into the inserting hole 17 from the filter screen, the disassembly and the installation of the filter screen can be completed without disassembling the fixation between the first box board 11 and the second box board 12, and the subsequent maintenance operation is further facilitated.

Referring to fig. 3, fig. 3 is an exploded schematic view of a centrifugal fan assembly according to embodiment 1 of the present invention, and as shown in the figure, a centrifugal fan assembly 30 includes an air guiding ring 31, a centrifugal fan 32 and a fan motor 33; the air guiding ring 31 is fixedly arranged at the inner side of the second box plate 12, is of a hollow structure, and is provided with an air guiding inlet 311 and an air guiding outlet 312, and the air guiding outlet 312 faces the box plate air outlet 15; the fan motor 33 is fixedly arranged in the air guide ring 31, and the centrifugal fan 32 is fixedly connected with the fan motor 33 and driven by the fan motor 33 to rotate around the shaft. The air guiding ring 31 is used for accommodating the centrifugal fan 32, and the air flowing direction is limited by the arrangement of the air guiding outlet 312.

Specifically, the wind-guiding ring 31 is in a volute shape and is formed by enclosing a first wind-guiding ring 313 and a second wind-guiding ring 314; the first air guide ring 313 is axially provided with a first air guide through hole in a penetrating manner, and the second air guide ring 314 is axially provided with a second air guide through hole in a penetrating manner; the blower motor 33 includes a motor cover 331 and a motor body 332, the motor cover 331 penetrates the second air guiding through hole and is fixed inside the second box plate 12, the motor body 332 is located inside the motor cover 331, and a driving shaft thereof movably penetrates the motor cover 331 and is fixedly connected with the centrifugal fan 32; the air guide inlet 311 is the first air guide through hole and the second air guide through hole. The structure layout is reasonable due to the arrangement, and the space is fully utilized.

Specifically, as an optional implementation manner, in this embodiment, the indoor air inlet 13 and the outdoor air inlet 14 are penetratingly formed in the second box plate 12, and the indoor air inlet 13 and the outdoor air inlet 14 are disposed adjacent to each other and both located on one side of the second box plate 12 facing to the back of the indoor unit of the air conditioner. The box plate air outlet 15 is located on one side of the box body 10 facing the side of the indoor unit of the air conditioner, specifically, grooves are formed in the corresponding positions of the edge of the first box plate 12 and the edge of the second box plate 13, the two grooves enclose to form the box plate air outlet 15, and in other embodiments, the box plate air outlet 15 may also be formed by independently forming the second box plate 13.

Further, in the present embodiment, an air intake baffle assembly 40 is further included; the air intake baffle assembly 40 is disposed between the indoor air intake 13 and the outdoor air intake 14, and includes a driver (not shown) and a baffle 42, where the driver is fixedly connected to the baffle 42, and drives the baffle 42 to cover the indoor air intake 13 or the outdoor air intake 14 in an overturning manner. Through the setting of driver, combine air conditioner's control system, can control baffle 42 selectivity upset lid fit indoor air intake 13 or outdoor air intake 14, do not fit indoor air intake 12 or outdoor air intake 14 when baffle 42, air purification device can be from indoor and outdoor inspiratory air, realizes the indoor outer simultaneous cycle of air, fits indoor air intake 12 or outdoor air intake 14 when its lid, and the air is from outdoor or indoor entering this moment, realizes two kinds of modes of air indoor circulation or outdoor circulation, and when the difference in temperature of outdoor air, the interior outer air temperature of box or humidity difference are great, can carry out temperature regulation or humidity control through the switching of inside and outside circulation, improves functional diversity simultaneously, satisfies the different demands of customer.

Referring to fig. 4, fig. 4 is an explosion schematic view of a structure of a blowout grille assembly according to embodiment 1 of the present invention, and as shown in the figure, the blowout grille assembly 50 includes a blowout grille body 51, a grille body 52 and a blade assembly 53, the blowout grille body 51 is fixed to the outer side of the second box board 12, and is provided with an air outlet through hole 511 in a penetrating manner, and the air outlet through hole 511 is communicated with the box air outlet 15; the grille body 52 is fixed in the air outlet 511, and further preferably, a gap between grille strips of the grille body 52 is smaller than 8mm, which is used to prevent external insects or small animals from entering the inside of the air purification device, and the blade assembly 53 is fixed outside the air outlet body 51 and movably covers the air outlet 511 to adjust the air outlet direction.

Specifically, the blade assembly 53 includes a plurality of fulcrum shafts 531, a plurality of blades 532, a connecting rod 533 and a blade motor 534, one end of each blade 532 is correspondingly and fixedly connected with the fulcrum shafts 531, and the other end is rotatably connected with the inner side of the air outlet through hole 511; the fulcrum shafts 531 are rotatably fixed to the inner sides of the blowout grilles in parallel, the connecting rods 533 are fixedly connected to the blades 532, and the blade motor 534 is fixedly connected to one of the fulcrum shafts 531 and drives the blade motor to rotate around the central shaft.

Example 2

Referring to fig. 5 to 7, fig. 5 is a schematic view of a back side of an air conditioning indoor unit structure according to embodiment 2 of the present invention, fig. 6 is a schematic view of an installation position of an air purification device in the air conditioning indoor unit according to embodiment 2 of the present invention, and fig. 7 is an exploded schematic view of the air conditioning indoor unit structure according to embodiment 2 of the present invention, and as shown in the figures, embodiment 2 of the present invention provides an air conditioning indoor unit, which includes an indoor unit body 70 and the air purification device according to embodiment 1; the indoor unit body 70 comprises a casing 60, a containing cavity 63 is arranged in the casing, and the air purification devices are all arranged in the containing cavity 63; the casing 60 is provided with a casing air outlet 61 and a fresh air inlet 62, the blowing-out grille component 50 of the air purification device is fixedly arranged on the casing air outlet 61 in a penetrating way, and the fresh air inlet 62 is communicated with the outdoor air inlet 14 of the air purification device.

The air conditioner indoor unit in embodiment 2 of the utility model is provided with the air purification device in integrated design, so that the functions of temperature regulation, air purification and the like can be integrated, the functional diversity is improved, the integrated design structure of the air purification device is simple, the matching requirement of the air purification device and other structures is low, the production assembly and subsequent maintenance operation are simple and convenient, the production and maintenance difficulty is reduced, and the economic benefit is improved.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides an air purification device, its is applied to in the air conditioning indoor set which characterized in that: comprises a box body, a filtering device, a centrifugal fan component and a blowing-out grille component; the box body comprises a first box plate and a second box plate; the second box plate and the first box plate are spliced, fixed and enclosed to form a cavity; the filtering device is limited and fixed in the box body and divides the cavity into a first cavity and a second cavity; the box body is provided with an indoor air inlet, an outdoor air inlet and a box plate air outlet, the indoor air inlet and the outdoor air inlet are communicated with the first cavity, and the box plate air outlet is communicated with the second cavity; the blow-out grille component is fixed on the outer side of the second box plate and communicated with the box plate air outlet; the centrifugal fan assembly is arranged in the second cavity; air enters the first cavity from the indoor air inlet and/or the outdoor air inlet under the action of the centrifugal fan assembly, enters the second cavity after being filtered by the filtering device, and is discharged from the box board air outlet and the blowout grid assembly.

2. The air purification apparatus according to claim 1, wherein: the centrifugal fan assembly comprises an air guide ring, a centrifugal fan and a fan motor; the air guide ring is fixedly arranged on the inner side of the second box plate, is of a hollow structure, and is provided with an air guide inlet and an air guide outlet, and the air guide outlet faces the air outlet of the box plate; the fan motor is fixedly arranged in the air guide ring, and the centrifugal fan is fixedly connected with the fan motor and driven by the fan motor to rotate around a shaft.

3. The air purification apparatus according to claim 2, wherein: the air guide ring is in a volute shape and is formed by enclosing a first air guide ring and a second air guide ring; the first air guide ring is provided with a first air guide through hole in an axial penetrating manner, and the second air guide ring is provided with a second air guide through hole in an axial penetrating manner; the fan motor comprises a motor cover and a motor body, the motor cover penetrates through the second air guide through hole and is fixed on the inner side of the second box plate, the motor body is positioned in the motor cover, and a driving shaft of the motor body movably penetrates through the motor cover and is fixedly connected with the centrifugal fan; the air guide inlet is the first air guide through hole and the second air guide through hole.

4. The air purification apparatus according to claim 1, wherein: the indoor air inlet and the outdoor air inlet are arranged adjacently and are both positioned on one side, facing the back of the indoor unit of the air conditioner, of the box body.

5. The air purification apparatus according to claim 4, wherein: the air inlet baffle plate component is also included; the air inlet baffle plate assembly is arranged between the indoor air inlet and the outdoor air inlet and comprises a driver and a baffle plate, the driver is fixedly connected with the baffle plate and drives the baffle plate to turn over and cover the indoor air inlet or the outdoor air inlet.

6. The air purification apparatus according to claim 4, wherein: and the box plate air outlet is positioned on one side of the box body facing the side surface of the indoor unit of the air conditioner.

7. The air purification apparatus according to claim 6, wherein: the blowing-out grid assembly comprises a blowing-out grid body, a grid body and a blade assembly, wherein the blowing-out grid body is fixed on the outer side of the second box plate and is provided with an air outlet through hole in a penetrating manner, and the air outlet through hole is communicated with the box plate air outlet; the grid body is fixed in the air outlet through hole, and the blade assembly is fixed on the outer side of the air outlet grid body and movably covers the air outlet through hole.

8. The air purification apparatus according to claim 7, wherein: the blade assembly comprises a plurality of fulcrum shafts, a plurality of blades, a connecting rod and a blade motor, one end of each blade is correspondingly and fixedly connected with the fulcrum shafts, and the other end of each blade is rotatably connected with the inner sides of the air outlet through holes; the plurality of fulcrum shafts are mutually parallel and rotatably fixed on the inner sides of the blowing grids, the connecting rods are respectively and fixedly connected with the blades, and the blade motor is fixedly connected with one of the fulcrum shafts and drives the fulcrum shaft to rotate around the central shaft.

9. The air purification apparatus according to claim 8, wherein: the clearance of the grid bars of the grid body is less than 8 mm.

10. An air conditioning indoor unit, characterized in that: comprises an indoor unit body and the air purification device of any one of claims 1 to 9; the indoor unit body comprises a shell, an accommodating cavity is arranged in the shell, and the air purification device is arranged in the accommodating cavity; the casing is provided with a casing air outlet and a fresh air inlet, the blowing-out grid assembly of the air purification device is fixedly arranged in the casing air outlet in a penetrating mode, and the fresh air inlet is communicated with the outdoor air inlet of the air purification device.