CN113483402B - Fresh air device, air conditioner internal unit and air conditioner - Google Patents

Fresh air device, air conditioner internal unit and air conditioner Download PDF

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Publication number
CN113483402B
CN113483402B CN202110838980.2A CN202110838980A CN113483402B CN 113483402 B CN113483402 B CN 113483402B CN 202110838980 A CN202110838980 A CN 202110838980A CN 113483402 B CN113483402 B CN 113483402B
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China
Prior art keywords
pipe wall
fresh air
air inlet
wall
air
Prior art date
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Application number
CN202110838980.2A
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Chinese (zh)
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CN113483402A (en
Inventor
袁小辉
汪鹏飞
侯竑宇
孙朋飞
张德明
郝本华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd, Qingdao Haier Air Conditioning Electric Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN202110838980.2A priority Critical patent/CN113483402B/en
Publication of CN113483402A publication Critical patent/CN113483402A/en
Priority to PCT/CN2022/075771 priority patent/WO2023000650A1/en
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Publication of CN113483402B publication Critical patent/CN113483402B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air-Flow Control Members (AREA)

Abstract

The invention discloses a fresh air device, an air conditioner internal unit and an air conditioner, which aim to solve the problem that the air quality of indoor air is reduced because the indoor environment is in a closed state for a long time. Wherein, new trend device includes: an air inlet pipeline and a fresh air swing blade; the air inlet pipeline is provided with an indoor air inlet and a fresh air inlet; the pipe wall of the air inlet pipe is provided with a mounting hole and a guide groove; the mounting hole is arranged close to the fresh air inlet; the fresh air swing blade is rotatably arranged in the mounting hole through a rotating shaft and is used for adjusting the fresh air inlet volume; the guide groove is used for accommodating part of the rotating shaft when the fresh air swing blade is installed and guiding the fresh air swing blade to the installation hole.

Description

Fresh air device, air conditioner internal unit and air conditioner
Technical Field
The invention relates to the technical field of air treatment, in particular to a fresh air device, an air conditioner indoor unit and an air conditioner.
Background
The air conditioner is a household appliance which is widely applied, generally has heating and refrigerating functions, adjusts the temperature of indoor air when the ambient temperature is too low or too high, provides a proper indoor environment for users, and effectively improves the life quality of the users.
In the related art, an air conditioner generally includes an air conditioner internal unit and an air conditioner external unit connected to each other, where the air conditioner external unit generally includes an outdoor heat exchanger, and the air conditioner internal unit generally includes an indoor heat exchanger, a throttling device, and a compressor. When the air conditioner performs refrigeration work, the compressor compresses a gaseous refrigerant into a high-temperature high-pressure gaseous state, and sends the gaseous refrigerant to the outdoor heat exchanger for cooling, the high-temperature high-pressure gaseous refrigerant is cooled and then becomes a medium-temperature high-pressure liquid refrigerant, the medium-temperature high-pressure liquid refrigerant is throttled and reduced by the throttling device and becomes a low-temperature low-pressure gas-liquid mixture, and the low-temperature low-pressure gas-liquid mixture absorbs heat in air by the indoor heat exchanger and is vaporized into a gaseous state, so that the refrigeration effect is achieved; the gaseous refrigerant returns to the compressor to continue to be compressed, and the circulation is continued to carry out refrigeration.
However, when the air conditioner is in a cooling operation state, the indoor environment where the air conditioner is located is usually in a sealed state to ensure a cooling effect. However, the air quality of the indoor air is reduced after the air is sealed for a long time.
Disclosure of Invention
The invention provides a fresh air device, an air conditioner internal unit and an air conditioner, which aim to solve the problem that the air quality of indoor air is reduced because the indoor environment is in a closed state for a long time.
One aspect of the present invention provides a fresh air device, including: an air inlet pipeline and a fresh air swing blade; the air inlet pipeline is provided with an indoor air inlet and a fresh air inlet; the pipe wall of the air inlet pipe is provided with a mounting hole and a guide groove; the mounting hole is arranged close to the fresh air inlet; the fresh air swing blade is rotatably arranged in the mounting hole through a rotating shaft and is used for adjusting the fresh air inlet volume; the guide groove is used for accommodating part of the rotating shaft when the fresh air swing blade is installed and guiding the fresh air swing blade to the installation hole.
In one possible implementation, the air inlet duct includes: the pipe comprises a first pipe wall, a second pipe wall, a third pipe wall and a fourth pipe wall, wherein the first pipe wall and the second pipe wall are arranged oppositely, and the third pipe wall and the fourth pipe wall are arranged oppositely and connect the first pipe wall and the second pipe wall; the fresh air inlet is formed in the first pipe wall; at least one of the third pipe wall and the fourth pipe wall is provided with the mounting hole.
In one possible implementation, the air inlet duct has a first end facing the air driver and a second end opposite the first end; the air inlet pipeline is also provided with a fifth pipe wall extending along the axial direction, the fifth pipe wall is positioned between the third pipe wall and the fourth pipe wall, and the fifth pipe wall is connected with the first pipe wall and the second pipe wall; the edge of the fifth pipe wall facing the first end is connected with the third pipe wall through a first connecting wall; the edge of the fifth pipe wall facing the second end is connected with the fourth pipe wall through the second connecting wall; the mounting holes are formed in the fourth pipe wall and the fifth pipe wall.
In one possible implementation manner, portions of the first connecting wall and the fifth pipe wall close to the first pipe wall are recessed towards the second end to form the guide groove, and a preset distance is formed between the guide groove and the mounting hole.
In one possible implementation manner, the preset distance is smaller than or equal to the aperture of the mounting hole.
In one possible implementation manner, the preset distance is smaller than or equal to a minimum distance between the hole wall of the mounting hole and the second connecting wall.
In one possible implementation manner, one end of the rotating shaft extends out of the fourth pipe wall; one end of the rotating shaft, which extends out of the fourth pipe wall, is connected to the swinging vane driving piece.
In one possible implementation manner, the indoor air inlet includes a plurality of long holes distributed at intervals.
The invention further provides an air conditioner indoor unit, which comprises the fresh air device and a machine shell, wherein the fresh air device is arranged on the machine shell.
Still another aspect of the present invention provides an air conditioner including: the air conditioner external unit is connected with the air conditioner internal unit.
According to the fresh air device, the air conditioner indoor unit and the air conditioner, the pipe wall of the air inlet pipeline is provided with the mounting hole and the guide groove; the mounting hole is arranged close to the fresh air inlet; the fresh air swing blade is rotatably arranged in the mounting hole through a rotating shaft and is used for adjusting the fresh air inlet volume; the guide groove is used for accommodating part of the rotating shaft when the fresh air swing blade is installed and guiding the fresh air swing blade to the installation hole. Therefore, the installation of the fresh air swing blade is facilitated, and the assembly efficiency of the fresh air device is improved.
Drawings
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, and it is to be understood that the detailed description set forth herein is merely illustrative and explanatory of the present invention and is not restrictive of the invention as claimed below.
Fig. 1 is a first schematic structural view of an air inlet duct according to an exemplary embodiment of the present invention;
fig. 2 is a schematic structural view of a second air inlet duct according to an exemplary embodiment of the present invention;
fig. 3 is a schematic structural diagram three of a fresh air device according to an exemplary embodiment of the present invention;
fig. 4 is a schematic view showing a third state that the rotating shaft is located in the guide groove in the assembling process of the fresh air device according to the exemplary embodiment of the present invention;
FIG. 5 isbase:Sub>A schematic cross-sectional view taken at A-A of FIG. 4;
FIG. 6 is a schematic view of a state in which one end of a rotating shaft is assembled with one of the mounting holes according to an exemplary embodiment of the present invention;
fig. 7 is a schematic view illustrating a state in which the other end of the rotation shaft is assembled with another mounting hole according to an exemplary embodiment of the present invention;
fig. 8 is a schematic view illustrating a state in which both ends of the rotation shaft are respectively assembled with the corresponding mounting holes according to an exemplary embodiment of the present invention.
Description of reference numerals: 1-an air inlet pipeline; 11-a fresh air inlet; 12-indoor air inlet; 13-a guide groove; 14-mounting holes; 1 a-a first tube wall; 1 b-a second tube wall; 1 c-a third tube wall; 1 d-fourth tube wall; 1 e-a fifth tube wall; 1 f-a second connecting wall; 1 g-a first connecting wall; 21-fresh air swing leaf; 22-a rotating shaft; 23-swinging vane driving piece.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, and it is to be understood that the detailed description set forth herein is merely illustrative and explanatory of the present invention and is not restrictive of the invention as claimed below.
In the related art, an air conditioner generally includes an air conditioner internal unit and an air conditioner external unit connected to each other, where the air conditioner external unit generally includes an outdoor heat exchanger, and the air conditioner internal unit generally includes an indoor heat exchanger, a throttling device, and a compressor. When the air conditioner performs refrigeration work, the compressor compresses a gaseous refrigerant into a high-temperature high-pressure gaseous state, and sends the gaseous refrigerant to the outdoor heat exchanger for cooling, the high-temperature high-pressure gaseous refrigerant is cooled and then becomes a medium-temperature high-pressure liquid refrigerant, the medium-temperature high-pressure liquid refrigerant is throttled and reduced by the throttling device and becomes a low-temperature low-pressure gas-liquid mixture, and the low-temperature low-pressure gas-liquid mixture absorbs heat in air by the indoor heat exchanger and is vaporized into a gaseous state, so that the refrigeration effect is achieved; the gaseous refrigerant returns to the compressor to continue to be compressed, and the circulation is continued to carry out refrigeration. However, when the air conditioner is in a cooling operation state, the indoor environment where the air conditioner is located is usually in a sealed state to ensure a cooling effect. However, the air quality of the indoor air is reduced after the air is sealed for a long time.
In order to overcome the problems, the embodiment of the invention provides a fresh air device, an air conditioner internal unit and an air conditioner, wherein an air inlet pipeline with a fresh air inlet is arranged, an installation hole is arranged on the air inlet pipeline, and a fresh air swing blade is rotatably arranged in the installation hole, so that the fresh air inlet amount can be adjusted through the rotation angle of the fresh air swing blade, and the indoor air quality is improved by introducing fresh air; through setting up the guide way at the intake stack, the guide way is used for guiding the new trend pendulum leaf to mounting hole department when the installation new trend pendulum leaf, like this, does benefit to the installation that realizes the new trend pendulum leaf, does benefit to the assembly efficiency who improves the new trend device.
The structure, function and implementation process of the air conditioner internal unit provided in this embodiment will be described below by way of example with reference to the accompanying drawings.
The air conditioner internal unit that this embodiment provided includes: casing and install in the new trend device of casing. Wherein, this embodiment does not restrict the concrete mounted position of new trend device on the casing, and the mounted position of new trend device on the casing can set up according to actual need.
Taking an air conditioner indoor unit as a cabinet, the casing includes an upper casing and a lower casing, the upper casing is used for accommodating components such as an indoor heat exchanger, and the lower casing is used for accommodating components such as a compressor. The fresh air device can be installed on the lower shell.
Referring to fig. 1 to 5, the fresh air device includes: an air inlet pipeline 1 and a fresh air swing blade 21; the air inlet pipeline 1 is provided with an indoor air inlet 12 and a fresh air inlet 11; the pipe wall of the air inlet pipe 1 is provided with a mounting hole 14 and a guide groove 13; the mounting hole 14 is arranged close to the fresh air inlet 11; the fresh air swing blade 21 is rotatably arranged in the mounting hole 14 through a rotating shaft 22 and is used for adjusting the fresh air inlet amount; the guide groove 13 is used for receiving part of the rotating shaft 22 when the fresh air swing blade 21 is installed and guiding the fresh air swing blade 21 to the installation hole 14.
The air inlet pipeline 1 can be connected with an air channel in the air conditioner and is used for providing outdoor fresh air entering the air inlet pipeline 1 to the air channel in the air conditioner. The fresh air device can further comprise an air driving element, wherein the air driving element is used for forming negative pressure at the air inlet pipeline 1 so as to suck outdoor fresh air into the air inlet pipeline 1 and drive the outdoor fresh air into an air channel in the air conditioner. The air drive may in particular be located at the end of the air inlet duct 1 facing towards the enclosure.
The fresh air inlet 11 of the air inlet pipeline 1 is provided with a corrugated pipe which is used for penetrating through the wall and is communicated with outdoor air. The shape of the fresh air inlet 11 can be matched with that of the corrugated pipe. For example, when the circumference of the corrugated pipe is circular, the fresh air inlet 11 is also circular. The fresh air inlet 11 is in sealing fit with the corrugated pipe.
The air inlet pipeline 1 is further provided with an indoor air inlet 12, and the indoor air inlet 12 is used for allowing indoor air to enter the air inlet pipeline 1. Indoor wind enters the air inlet pipe 1 from an indoor wind inlet, outdoor fresh air enters the air inlet pipe 1 from an outdoor fresh air inlet, the indoor wind and the outdoor fresh air can be mixed to a certain degree in the air inlet pipe 1, then the indoor wind and the outdoor fresh air enter the fresh air pipe from the air inlet pipe 1 together to be further mixed and purified by the water washing device, so that the indoor wind with relatively high temperature and the outdoor fresh air with relatively low temperature can be utilized, the condensation phenomenon caused by the low temperature of the fresh air is favorably avoided, the working reliability of the fresh air device is favorably ensured, and the normal use of an air conditioner is ensured.
The air inlet pipeline 1 is provided with a mounting hole 14 for mounting a fresh air swing blade 21, and the mounting hole 14 is arranged close to the fresh air inlet 11, so that the opening area of the fresh air inlet 11 can be adjusted through the swing blade, and the aim of adjusting the fresh air inlet volume is fulfilled. The fresh air swing blade 21 is rotatably arranged in the mounting hole 14 through a rotating shaft 22; in order to ensure that the fresh air swing blade 21 can rotate smoothly, a bearing may be disposed between the rotating shaft 22 and the mounting hole 14.
In order to avoid the corrugated pipe interfering with other parts of the air conditioner internal unit, the fresh air inlet 11 and the corrugated pipe are oppositely arranged at one end of the air inlet pipeline 1 far away from the shell. The end of the air inlet pipeline 1 facing the shell is a first end, and the end of the air inlet pipeline 1 far away from the shell is a second end. The fresh air inlet 11 and the corrugated pipe are arranged at the second end of the air inlet pipeline 1 relatively.
In order to ensure the strength of the air inlet duct 1, the second end of the air inlet duct 1 is a closed end, so that when the fresh air flap 21 is installed, the fresh air flap 21 needs to enter the fresh air duct from the opening of the first end and gradually reach the installation hole 14.
The air inlet pipe 1 is also provided with a guide groove 13, the guide groove 13 is communicated with the cavity of the air inlet pipe 1, the guide groove 13 is arranged close to the mounting hole 14, and the guide groove 13 is used for accommodating part of the rotating shaft 22 and guiding the fresh air swing blade 21 to the mounting hole 14 when the fresh air swing blade 21 is mounted so as to reduce the mounting difficulty of the fresh air swing blade 21 with the rotating shaft 22. The opening end of the guide groove 13 is arranged towards the first end, the bottom of the guide groove 13 is arranged towards the second end, and the guide groove 13 is arranged along the axial extension of the air inlet pipeline 1 so as to guide the rotating shaft 22 of the fresh air swing blade 21 to an area close to the mounting hole 14 and facilitate the rotating shaft 22 of the fresh air shutter to enter the corresponding mounting hole 14.
During assembly, the fresh air swing blade 21 with the rotating shaft 22 is placed in the air inlet pipeline 1, and the fresh air swing blade 21 is controlled to move towards the second end; when the fresh air swinging blade 21 reaches the opening end of the guide groove 13, part of the rotating shaft 22 is accommodated in the guide groove 13; the fresh air swing blade 21 is controlled to continue to move towards the second end along the extending direction of the guide slot 13 until the fresh air swing blade moves to the bottom of the guide slot 13 close to the second end, as shown in fig. 5. One end of the rotating shaft 22, which is far away from the guide groove 13, is inserted into the corresponding mounting hole 14, as shown in fig. 6; one end of the rotating shaft 22 facing the guide groove 13 is inserted into the corresponding other mounting hole 14, as shown in fig. 7. Therefore, the assembly of the fresh air swing vane 21 with the rotating shaft 22 is realized, and after the fresh air swing vane 21 is assembled in place, as shown in fig. 8.
According to the air conditioner indoor unit provided by the embodiment of the invention, the pipe wall of the air inlet pipeline 1 is provided with the mounting hole 14 and the guide groove 13; the mounting hole 14 is arranged close to the fresh air inlet 11; the fresh air swing blade 21 is rotatably arranged in the mounting hole 14 through a rotating shaft 22 and is used for adjusting the fresh air inlet amount; the guide groove 13 is used for receiving part of the rotating shaft 22 when the fresh air swing blade 21 is installed and guiding the fresh air swing blade 21 to the installation hole 14. Therefore, the installation of the fresh air swing blade 21 is facilitated, and the assembly efficiency of the fresh air device is improved.
In one possible implementation, as shown in fig. 2, the air inlet duct 1 comprises: the first pipe wall 1a and the second pipe wall 1b are oppositely arranged, the third pipe wall 1c and the fourth pipe wall 1d are oppositely arranged, and the first pipe wall 1a and the second pipe wall 1b are connected by the third pipe wall 1c and the fourth pipe wall 1d; the fresh air inlet 11 is arranged on the first pipe wall 1a; at least one of the third pipe wall 1c and the fourth pipe wall 1d is provided with a mounting hole 14.
In some examples, the air intake duct 1 has a first end facing the air driver and a second end opposite the first end; the air inlet pipeline 1 is also provided with a fifth pipeline wall 1e extending along the axial direction, the fifth pipeline wall 1e is positioned between the third pipeline wall 1c and the fourth pipeline wall 1d, and the fifth pipeline wall 1e is connected with the first pipeline wall 1a and the second pipeline wall 1 b; the edge of the fifth pipe wall 1e facing the first end is connected with the third pipe wall 1c through a first connecting wall 1 g; the edge of the fifth pipe wall 1e facing the second end is connected with the fourth pipe wall 1d through a second connecting wall 1 f; the fourth pipe wall 1d and the fifth pipe wall 1e are provided with mounting holes 14. Thus, the length of the third pipe wall 1c along the axial direction can be relatively long, which is beneficial to enabling the indoor air inlet 12 to have a relatively large area and improving the indoor air inlet volume.
The first pipe wall 1a and the second pipe wall 1b are substantially flat plate-like structures. The second pipe wall 1b is provided with an indoor air inlet 12. Along the circumference of the air inlet pipeline 1, the size of the first pipe wall 1a is smaller than the second size, which is beneficial for the indoor air inlet 12 to have a larger air inlet area. The third pipe wall 1c and the fourth pipe wall 1d may have an arc-shaped plate structure.
In this example, as shown in fig. 2, 3 and 4, portions of the first connecting wall 1g and the fifth pipe wall 1e close to the first pipe wall 1a are recessed toward the second end to form a guide groove 13, and the guide groove 13 and the mounting hole 14 have a predetermined distance therebetween. The guide groove 13 extends from one side of the fifth tube wall 1e toward the first end to the opposite side, and the guide groove 13 extends from one side toward the fourth tube wall 1d to the opposite side. The side of the guide groove 13 facing the fourth pipe wall 1d is provided with an avoidance opening, which allows the rotating shaft 22 to move along the axial direction of the air inlet duct 1.
In other examples, the fourth duct wall 1d and the fifth duct wall 1e may be provided with guide slots 13, the guide slots 13 extend from the first end to the second end, and the guide slots 13 extend from the fourth duct wall 1d and the fifth duct wall 1e toward one side of the cavity of the air inlet duct 1 to the opposite side.
In other examples, the third duct wall 1c and the fourth duct wall 1d may be provided with mounting holes 14, and the third duct wall 1c and the fourth duct wall 1d may be provided with guide slots 13, wherein the guide slots 13 extend from the first end to the second end, and the guide slots 13 extend from the third duct wall 1c and the fourth duct wall 1d toward one side of the cavity of the air inlet duct 1 to the opposite side.
In this example, as shown in fig. 2, 5 to 8, the guide groove 13 and the mounting hole 14 have a predetermined distance therebetween. In this way, the installation of the rotating shaft 22 of the fresh air swing blade 21 into the installation hole 14 is facilitated, and the rotating shaft 22 of the fresh air swing blade 21 is reliably located in the installation hole 14. Wherein, the preset distance may be a minimum distance between the bottom wall of the guide groove 13 and the hole wall of the mounting hole 14. The specific value of the preset distance may be set according to actual needs, and this embodiment is not described herein again.
Optionally, the predetermined spacing is less than or equal to the diameter of the mounting hole 14. The predetermined interval may be greater than the radius of the mounting hole 14 to facilitate securing the strength of the corresponding area. For example, when the aperture of the mounting hole 14 is 8.5 mm, correspondingly, the preset distance between the guide groove 13 and the mounting hole 14 may be any one or more values between any two of 8 mm, 7 mm, 6.5 mm, 6 mm, 5.5 mm, and 5 mm.
Optionally, the minimum distance between the wall of the mounting hole 14 and the second connecting wall 1f is smaller than or equal to the diameter of the mounting hole 14, so as to reduce the occupied space of the air inlet duct 1. For example, when the aperture of the mounting hole 14 is 8.5 mm, correspondingly, the minimum distance between the hole wall of the mounting hole 14 and the second connecting wall 1f may be any one of 8 mm, 8.25 mm, and 8 mm or a value between any two of them.
Alternatively, the preset pitch is smaller than or equal to the minimum distance between the hole wall of the mounting hole 14 and the second connecting wall 1 f. The predetermined interval may be greater than the radius of the mounting hole 14 to facilitate securing the strength of the corresponding area. For example, when the aperture of the mounting hole 14 is 8.5 mm, correspondingly, the preset distance between the guide groove 13 and the mounting hole 14 may be any one or more values between any two of 8 mm, 7 mm, 6.5 mm, 6 mm, 5.5 mm, and 5 mm.
Alternatively, one end of the rotating shaft 22 extends out of the fourth pipe wall 1d; one end of the rotating shaft 22 extending out of the fourth tube wall 1d is connected to the swing blade driving member 23. The swing blade driving member 23 may be in communication with a control unit of the air conditioner indoor unit. The control unit can control the position of the fresh air swing blade 21 by controlling the steering and steering angle of the swing blade driving member 23, and further control the air intake volume of the fresh air inlet 11.
For example, when the fresh air swing blade 21 rotates to be parallel to the first connecting wall 1g or the second connecting wall 1f, the opening area of the fresh air inlet 11 is the largest, and the fresh air inlet volume is the largest; when the fresh air swing blade 21 rotates to be parallel to the first pipe wall 1a, the opening area of the fresh air inlet 11 is the smallest, and the fresh air inlet volume is the smallest.
Optionally, the indoor air inlet 12 includes a plurality of long holes distributed at intervals. The first pipe wall 1a, the third pipe wall 1c and the fourth pipe wall 1d are provided with a plurality of long holes distributed at intervals, and the length direction of the long holes is parallel to the axial direction of the air inlet pipeline 1. The portion of the first tube wall 1a adjacent to the third tube wall 1c may also be provided with a long hole. Optionally, the first connecting wall 1g and the second connecting wall 1f may also be provided with a plurality of long holes distributed at intervals, and the length direction of the long holes may be perpendicular to the axial direction of the air inlet duct 1.
Optionally, in order to improve the air quality of the fresh air entering the room, the fresh air device may further include a washing device. The air driving piece can also drive outdoor fresh air and indoor air entering a fresh air pipeline to the water washing device for purification treatment. The water washing device is connected with a pipeline in the air conditioner.
When the air conditioner is in a mixed air mode, under the action of driving force provided by the air driving piece, outdoor fresh air enters the air inlet pipeline 1 from the fresh air inlet 11, indoor air enters the air inlet pipeline 1 from the indoor air inlet 12, the outdoor fresh air and the indoor air are mixed to a certain degree when flowing in the air inlet pipeline 1, the outdoor fresh air and the indoor air are further input into the water washing device, the outdoor fresh air and the indoor air are purified in the process of circulation in the water washing device, and the outdoor fresh air fan and the indoor air are further mixed in the process of circulation in the water washing device. The air driving part conveys the purified mixed air to the room.
The water washing apparatus may include: a water tank and a water washing unit. The water tank may be in a regular shape such as a cylinder shape, a rectangular parallelepiped shape, or other irregular shapes, which is not limited in this embodiment. The water tank can have the diapire and enclose the lateral wall of locating the diapire periphery, and the lateral wall upwards extends the setting, and the upper end of lateral wall can be connected with the roof. The bottom wall, the side wall and the top wall of the water tank jointly enclose a containing space for containing liquid.
The water tank is provided with an air inlet through which fresh air can enter, the air inlet can be formed in the side wall of the water tank, and optionally the air inlet is formed in the position, close to the upper side, of the side wall of the water tank so as to be beneficial to preventing water washing liquid in the water tank from flowing out.
The bottom end of the water tank can be provided with a base. The water tank can be dismantled with the base and be connected to do benefit to and take out the water tank conveniently. The air driving member may be provided to the base. The air driving piece is connected with the water washing unit in the water tank through the transmission shaft so as to drive the water washing unit to rotate. The water washing unit has part to contact with the liquid in the water tank to drive the liquid in the water tank to move under the driving force provided by the air driving part.
Optionally, the washing unit can include the piece that gets rid of water, and the effect of the piece that gets rid of water rotates under air drive spare's drive in order to adsorb water to the upper end from the lower extreme of getting rid of the piece to throw away with the water curtain form around getting rid of the piece from getting rid of, the water that finally throws away flows into the lower extreme of water tank again under the action of gravity, realizes the cyclic utilization of water. Specifically, be formed with gappedly between the lower extreme of the piece of getting rid of water and the bottom surface of water tank, the lower extreme of getting rid of water is equipped with the water inlet, and the lateral wall of getting rid of water is equipped with a plurality of apopores, gets rid of water and rotates under air drive spare's drive in order to inhale the piece inside and make water throw away from the apopore with formation water curtain with water getting rid of.
When the water tank water-throwing device works, the air driving piece drives the water-throwing piece to rotate, and negative pressure can be formed inside the water-throwing piece, so that water in the water tank is sucked into the water-throwing piece from a water inlet at the lower end of the water-throwing piece; the water sucked into the water throwing piece flows to the upper end of the water throwing piece along the side wall of the water throwing piece, and the water can be thrown out from the water outlet at a high speed when the water flow rises to the height of the water outlet due to the fact that the plurality of water outlets are formed in the side wall of the water throwing piece, so that a circle of water curtain is formed in the circumferential direction of the water throwing piece. After the water curtain is thrown out by the water throwing piece, air entering from the air inlet of the water tank can be in contact with the water curtain to adsorb dust and the like in the air, so that the water washing and purification of the air are completed.
In this embodiment, a part of the air conditioner, which is not described in the description, may adopt a conventional setting in the art, and this embodiment is not described herein again.
This embodiment still provides a new trend device, and the structure, the function and the implementation process of new trend device can with the new trend device in any preceding example.
The embodiment also provides an air conditioner, which comprises an air conditioner external unit and an air conditioner internal unit which are connected. The structure, the function and the implementation process of the air conditioner indoor unit can be the same as those of the air conditioner indoor unit in any one of the above examples.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description above, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (7)

1. A fresh air device, comprising: an air inlet pipeline and a fresh air swing blade; the air inlet pipeline is provided with an indoor air inlet and a fresh air inlet;
the pipe wall of the air inlet pipe is provided with a mounting hole and a guide groove; the mounting hole is arranged close to the fresh air inlet;
the fresh air swing blade is rotatably arranged in the mounting hole through a rotating shaft and is used for adjusting the fresh air inlet volume;
the guide groove is used for accommodating part of the rotating shaft when the fresh air swing blade is installed and guiding the fresh air swing blade to the installation hole;
the intake stack includes: the pipe comprises a first pipe wall, a second pipe wall, a third pipe wall and a fourth pipe wall, wherein the first pipe wall and the second pipe wall are arranged oppositely, and the third pipe wall and the fourth pipe wall are arranged oppositely and connect the first pipe wall and the second pipe wall;
the fresh air inlet is arranged on the first pipe wall; at least one of the third pipe wall and the fourth pipe wall is provided with the mounting hole;
the air inlet pipe is provided with a first end facing the air driving piece and a second end opposite to the first end;
the air inlet pipeline is also provided with a fifth pipe wall extending along the axial direction, the fifth pipe wall is positioned between the third pipe wall and the fourth pipe wall, and the fifth pipe wall is connected with the first pipe wall and the second pipe wall; the edge of the fifth pipe wall facing the first end is connected with the third pipe wall through a first connecting wall; the edge of the fifth pipe wall facing the second end is connected with the fourth pipe wall through a second connecting wall;
the mounting holes are formed in the fourth pipe wall and the fifth pipe wall;
the parts, close to the first pipe wall, of the first connecting wall and the fifth pipe wall are recessed towards the second end to form the guide groove, and a preset distance is reserved between the guide groove and the mounting hole.
2. The fresh air device as claimed in claim 1, wherein the predetermined distance is less than or equal to the diameter of the mounting hole.
3. The fresh air device as claimed in claim 1, wherein the predetermined distance is less than or equal to a minimum distance between the wall of the mounting hole and the second connecting wall.
4. The fresh air device as claimed in claim 1, wherein one end of the rotating shaft extends out of the fourth pipe wall; one end of the rotating shaft, which extends out of the fourth pipe wall, is connected to the swinging vane driving piece.
5. The fresh air device as claimed in any one of claims 1 to 4, wherein the indoor air inlet comprises a plurality of spaced apart slots.
6. An indoor unit of an air conditioner, comprising the fresh air device as claimed in any one of claims 1 to 5 and a casing, wherein the fresh air device is mounted on the casing.
7. An air conditioner, comprising: an outer air conditioner machine and an inner air conditioner machine according to claim 6 which are connected with each other.
CN202110838980.2A 2021-07-23 2021-07-23 Fresh air device, air conditioner internal unit and air conditioner Active CN113483402B (en)

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