CN117515714A - Fresh air device and air conditioner - Google Patents

Fresh air device and air conditioner Download PDF

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Publication number
CN117515714A
CN117515714A CN202210911258.1A CN202210911258A CN117515714A CN 117515714 A CN117515714 A CN 117515714A CN 202210911258 A CN202210911258 A CN 202210911258A CN 117515714 A CN117515714 A CN 117515714A
Authority
CN
China
Prior art keywords
air
cavity
support plate
air outlet
fresh air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210911258.1A
Other languages
Chinese (zh)
Inventor
商竹贤
朱勇强
俞旭
田振
尚彬
陈伟
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.)
Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
Original Assignee
Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aux Air Conditioning Co Ltd, Ningbo Aux Electric Co Ltd filed Critical Aux Air Conditioning Co Ltd
Priority to CN202210911258.1A priority Critical patent/CN117515714A/en
Publication of CN117515714A publication Critical patent/CN117515714A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/003—Ventilation in combination with air cleaning
    • 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
    • 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
    • F24F1/0041—Indoor units, e.g. fan coil units characterised by exhaustion of inside air from 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
    • 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
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
    • 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
    • F24F13/12—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members
    • 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
    • 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
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/065—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
    • 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
    • F24F2013/1433—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 with electric motors

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The application provides a new trend device and air conditioner relates to air conditioner technical field. In the new trend device that this application embodiment provided, because first chamber has set up dirty wind gap and purification performance, the second chamber has set up indoor air exit and outdoor air exit, consequently, can realize blowdown function and purification performance. In addition, as the fresh air filter element separates a first area from a second area, the sewage port and the air inducing port are positioned in the first area, and the purifying port is positioned in the second area, when the purifying function is used, indoor air can pass through the first filter element, so that the indoor air is purified; when the sewage discharging function is used, indoor sewage wind does not pass through the first filtering piece, pollutants in indoor air can be discharged to the outside as much as possible, and excessive burden is not caused on the filtering piece. Therefore, the fresh air device provided by the embodiment of the application can realize the purification function and the pollution discharge function, and can better ensure the quality of indoor air.

Description

Fresh air device and air conditioner
Technical Field
The invention relates to the technical field of air conditioners, in particular to a fresh air device and an air conditioner.
Background
At present, an indoor air conditioner often adopts internal circulation, namely, indoor air enters the air conditioner to exchange heat with a heat exchanger and then returns to the indoor again, and the indoor air is not replaced with outdoor air through the air conditioner. This circulation causes deterioration of indoor air quality after a long period of use of the air conditioner, especially in the case of closing doors and windows when the air conditioner is used. Therefore, some air conditioners are added with a fresh air device to introduce outdoor air, but the current fresh air device has single function and still cannot better meet the requirement of users for purifying indoor air.
Disclosure of Invention
The invention solves the problem of how to enrich the functions of the fresh air device so as to better meet the requirement of users for purifying indoor air.
In order to solve the problems, in a first aspect, the invention provides a fresh air device, which comprises a shell, a first filtering piece and a fan blade, wherein the first filtering piece and the fan blade are arranged in the shell, a first cavity and a second cavity are formed in the shell, the first cavity is provided with a purifying port and an air outlet, the purifying port is used for being communicated with a room, the air outlet is used for being communicated with the room, the first cavity and the second cavity are communicated through an air inlet, and the fan blade is used for leading air of the first cavity to the second cavity through the air inlet; the first filter piece is arranged in the first cavity and is opposite to the purifying port and is used for filtering air entering the first cavity from the purifying port, and the sewage port and the purifying port can be selectively opened or closed; the second cavity is provided with an indoor air outlet and an outdoor air outlet, the indoor air outlet is used for being communicated with the indoor air, the outdoor air outlet is used for being communicated with the outdoor air, and the indoor air outlet and the outdoor air outlet can be selectively opened or closed.
In this application embodiment, at the clean air outlet, indoor air exit is closed, and under the condition that dirty wind gap, outdoor air exit are opened, indoor air can be under the drive of fan blade, through dirty wind gap, first chamber, induced air mouth, second chamber, outdoor air exit in proper order to reach the outdoor, play the function of initiative blowdown. And under the condition that the purifying opening and the indoor air outlet are opened, and the sewage opening and the outdoor air outlet are closed, outdoor air can sequentially pass through the purifying opening, the first filtering piece, the first cavity, the air guiding opening, the second cavity and the indoor air outlet, so that the indoor air can reach the indoor air guiding opening, and the purifying function is realized. Therefore, the fresh air device provided by the embodiment of the application can realize a pollution discharge function and a purification function. And when using purification performance, indoor dirty wind can pass through first filter, and when using blowdown function, indoor dirty wind can not pass through first filter, can discharge the pollutant that exists in the indoor air outdoor as far as, and also can not cause too much burden to the filter. Therefore, the fresh air device provided by the embodiment of the application can realize the purification function and the pollution discharge function, so that the quality of indoor air can be better ensured.
In an alternative embodiment, the first cavity and the second cavity are arranged in the first direction and separated by a partition, the air intake is arranged in the partition, and the sewage intake and the purifying intake are arranged on one side of the first cavity away from the second cavity in the first direction. When used in an air conditioner, particularly a wall-mounted air conditioner, the first direction may be a horizontal direction, in which case the indoor air is directed laterally into the fresh air device when the blowdown or purification function is activated. And the sewage port and the purifying port are arranged on one side of the first cavity, which is far away from the second cavity, in the first direction, so that the sewage port and the purifying port are positioned on the left side or the right side of the air conditioner, and the sewage port and the purifying port are far away from the heat exchange air inlet at the top of the air conditioner as far as possible, thereby avoiding the air inlet of the air conditioner main body from influencing the sewage port and the purifying port to lead to the pollution discharge capacity and the purifying capacity to be reduced.
In an alternative embodiment, the fan blade is a centrifugal fan blade arranged in the second cavity, the axial air inlet side of the fan blade faces the air inlet, and the indoor air outlet and the outdoor air outlet are both positioned at one side of the fan blade in the radial direction. Under the condition that the first cavity, the second cavity and the air conditioner main body are sequentially arranged, the indoor air outlet and the air inlet are mutually perpendicular. The centrifugal fan blade has the characteristics of axial air inlet and radial air outlet, and can be well adapted to the condition that the indoor air outlet and the air inlet are mutually perpendicular.
In an alternative embodiment, the first cavity and the second cavity are arranged in the first direction and are separated by the partition, the air inlet is arranged in the partition, the second filter element is further arranged in the first cavity, the first cavity comprises a first area and a second area, the first area and the second area are separated by the second filter element, the air inlet and the air outlet are located on the side wall of the first area, the purifying opening is located on the side wall of the second area, and the first filter element is arranged in the second area. The sewage port and the air inducing port are arranged on the side wall of the first area, so that indoor air can be directly discharged out of the room without passing through the filter element after entering from the sewage port; and the gas entering from the purifying port can pass through the first filtering piece and the second filtering piece to be filtered and purified more strongly, so that the indoor air quality is better ensured.
In an alternative embodiment, the first chamber is provided with a first support plate and a second support plate on two opposite inner walls in the first direction, respectively, wherein the second support plate is arranged on the partition plate, and two ends of the second filter element are connected to the first support plate and the second support plate, respectively, and the first support plate, the second filter element and the second support plate jointly divide the first chamber into a first area and a second area.
In an alternative embodiment, the first support plate and the second support plate are positioned differently in a second direction, and the second filter member is plate-shaped and inclined to the first direction and the second direction, and in the first direction, one end of the second filter member connected to the second support plate is closer to the partition plate than one end of the second filter member connected to the first support plate, wherein the second direction is perpendicular to the first direction. In the embodiment, the second filter piece is obliquely arranged, so that the area of the second filter piece can be increased, and the purifying effect is improved; a tapered flow passage is formed between the second filtering piece and the partition plate; the induced air resistance of indoor air entering from the sewage port can be reduced.
In an alternative embodiment, a third support plate is further disposed in the second region, the third support plate and the first support plate are disposed on an inner wall of the same side of the first cavity, and the first support plate and the third support plate are respectively located at opposite sides of the purification port, and two ends of the first filter element are respectively connected with the first support plate and the third support plate and cover the purification port.
In an alternative embodiment, the first support plate and the third support plate are both in sliding fit with the first filter element, and the housing is provided with a first mounting opening for the first filter element to be drawn from or inserted into the first chamber. Through with first filter and first backup pad and third backup pad sliding fit to offer first mounting port, can make the loading and unloading of first filter more convenient.
In an alternative embodiment, the first support plate and the second support plate are both in sliding fit with the second filter element, and the housing is provided with a second mounting opening for the second filter element to be drawn from or inserted into the first chamber. Through with second filter spare and first backup pad and second backup pad sliding fit to offer the second mounting port, can make the loading and unloading of second filter spare more convenient.
In an alternative embodiment, the fresh air device further comprises a switching component for selectively opening one of the indoor air outlet and the outdoor air outlet and simultaneously blocking the other. Because the indoor air outlet and the outdoor air outlet cannot be used at the same time, one of the indoor air outlet and the outdoor air outlet is selectively opened through the switching component, the use of a driving mechanism (such as a motor) can be reduced, the structure is compact, and the cost is reduced.
In an alternative embodiment, the switching component comprises a first rotary air door which is rotatably connected to the inner wall of the second cavity, and the first rotary air door can be rotated to selectively open the indoor air outlet and simultaneously block the outdoor air outlet, or open the outdoor air outlet and simultaneously block the indoor air outlet.
In an alternative embodiment, the fresh air device further comprises an air valve, wherein the air valve is arranged on the outer side of the shell and is communicated with the outdoor air outlet and the fresh air outlet, and the air valve is provided with a main valve port for communicating outdoors. Through setting up the blast gate, can make the new trend device and the outdoor two openings of intercommunication summarize into a total valve mouth, reduced the trompil quantity on the wall body like this, simplified the cooperation relation of new trend device and wall body.
In an alternative embodiment, a sliding door is provided on the housing, the sliding door being slidable to selectively open one of the waste gate and the clean gate.
In a second aspect, the present invention provides an air conditioner, including an air conditioner main body and the fresh air device according to any one of the foregoing embodiments, where the first cavity, the second cavity, and the air conditioner main body are sequentially arranged in a length direction of the air conditioner.
Drawings
FIG. 1 is a schematic view of a fresh air device according to an embodiment of the present application at a first viewing angle;
FIG. 2 is a schematic diagram of a fresh air device according to an embodiment of the present application at a second perspective;
FIG. 3 is a first cross-sectional view of a fresh air device in a fresh air mode according to one embodiment of the present application;
FIG. 4 is a schematic illustration of a fresh air device with a damper removed in one embodiment of the present application;
FIG. 5 is an exploded view of a fresh air device according to one embodiment of the present application;
FIG. 6 is a second cross-sectional view of a fresh air device in a fresh air mode according to one embodiment of the present application;
FIG. 7 is a third cross-sectional view of a fresh air handling unit in a fresh air mode according to one embodiment of the present application;
FIG. 8 is a first cross-sectional view of a fresh air device in a blowdown mode according to one embodiment of the present application;
FIG. 9 is a second cross-sectional view of a fresh air device in a blowdown mode according to one embodiment of the present application;
FIG. 10 is a third cross-sectional view of a fresh air device in a blowdown mode according to one embodiment of the present application;
FIG. 11 is a first cross-sectional view of a fresh air apparatus in a purge mode according to one embodiment of the present application;
FIG. 12 is a second cross-sectional view of the fresh air apparatus in a purge mode in one embodiment of the present application;
FIG. 13 is a schematic diagram of a air conditioner in one embodiment of the present application.
Reference numerals illustrate: 010-air conditioner; 100-a fresh air device; 110-a housing; 111-middle shell; 112-a separator; 113-an air inlet; 114-a support frame; 115-end plates; 116-a first support plate; 117-a second support plate; 118-a third support plate; 119-volute; 120-a first chamber; 121-a first region; 122-a second region; 123-fresh air port; 124-a purge port; 125-sewage outlet; 126-sliding door; 130-a second chamber; 131-an indoor air outlet; 132-an outdoor air outlet; 140-fan blades; 150-a second filter; 151-a second filter frame; 160-a first filter; 161-a first filter frame; 170-an air valve; 171-total valve port; 172-a first rotary damper; 173-a second rotary damper; 200-an air conditioner main body; 210-an air inlet; 220-air outlet.
Detailed Description
The air conditioner often closes the door and window in the use, reduces indoor air conditioner or the warm air and dissipates to the outdoor, and current domestic air conditioner often is the inner loop, and air conditioner self can not exchange indoor air with outdoor air. If gas exchange is not performed for a long period of time inside and outside the room, the air quality in the room is lowered, such as an increase in carbon dioxide concentration and an increase in harmful organic volatile concentration. In the related art, an air conditioner with a fresh air function can introduce outdoor fresh air through a fresh air device to improve indoor air quality. However, the existing fresh air device has single function, and only introduces fresh air, so that the effect of improving the air quality is difficult to further improve.
In order to improve the defects in the prior art, the embodiment of the application provides a fresh air device which can realize a pollution discharge function of discharging indoor air to the outside through one fan blade and realize purifying indoor air through indoor circulation, thereby improving indoor air quality.
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
FIG. 1 is a schematic diagram of a fresh air device 100 according to an embodiment of the present application at a first viewing angle; FIG. 2 is a schematic diagram of a fresh air device 100 according to an embodiment of the present disclosure at a second viewing angle; fig. 3 is a first cross-sectional view of the fresh air device 100 in a fresh air mode according to one embodiment of the present application. As shown in fig. 1 to 3, the fresh air device 100 provided in the embodiment of the present application includes a housing 110, and a fan blade 140 and a second filter 150 disposed in the housing 110. The housing 110 is internally provided with a first cavity 120 and a second cavity 130, in this embodiment, the first cavity 120 and the second cavity 130 are arranged in a first direction and separated by a partition 112, the partition 112 is provided with an air guiding port 113, and the fan blade 140 is used for guiding air of the first cavity 120 to the second cavity 130 through the air guiding port 113.
The first chamber 120 has a sewage port 125, a purge port 124, and a fresh air port 123, the purge port 124 and the sewage port 125 being used to communicate indoors, the fresh air port 123 being used to communicate outdoors. The first cavity 120 is communicated with the second cavity 130 through the air guiding opening 113, the first cavity 120 comprises a first area 121 and a second area 122, the first area 121 and the second area 122 are separated by a second filter 150, the air guiding opening 113 and the sewage air opening 125 are located on the side wall of the first area 121, the purifying opening 124 and the fresh air opening 123 are located on the side wall of the second area 122, and the fresh air opening 123, the purifying opening 124 and the sewage air opening 125 can be selectively opened or closed. The first filter 160 is disposed within the second region 122.
The second chamber 130 has an indoor air outlet 131 and an outdoor air outlet 132 (see fig. 4), the indoor air outlet 131 being for indoor communication, the outdoor air outlet 132 being for outdoor communication, the indoor air outlet 131 and the outdoor air outlet 132 being selectively opened or closed.
It can be seen that, in the embodiment of the present application, the fresh air device 100 can realize the function of active sewage disposal by setting the sewage outlet 125 on the housing 110, and can realize the purifying function of indoor air by the internal circulation by setting the purifying outlet 124. In addition, the second filter 150 separates the first area 121 and the second area 122, the air inlet 113 and the fresh air inlet 123 are located in different areas, and the air outlet 125 and the air inlet 113 are located in the same area, so that when the air outlet 125 is opened (the fresh air inlet 123 and the air outlet 124 are closed) to perform sewage discharge, the indoor air entering the air outlet 125 can be directly sucked into the second cavity 130 by the fan blade 140 without passing through the second filter 150, and finally discharged to the outside from the outdoor air outlet 132; when the purifying port 124 is opened (the fresh air port 123 and the purifying port 124 are closed) to purify the indoor air, the indoor air can pass through the first filter 160 and the second filter 150 in sequence, then enter the second cavity 130, and finally be discharged into the room from the indoor air outlet 131. When fresh air is introduced by opening the fresh air port 123 (closing the sewage port 125), the fresh air enters the first chamber 120, passes through the second filter 150 from the second region 122, enters the first region 121, is sucked into the second chamber 130 by the fan blade 140, and finally is discharged into the room from the indoor air outlet 131.
In alternative embodiments, the second filter 150 may not be provided if no filtering of fresh air is required.
Further, in the present embodiment, the purifying port 124 and the sewage port 125 are disposed on a side of the first chamber 120 away from the second chamber 130 in the first direction, the fresh air port 123 is disposed on a side of the first chamber 120 in the second direction, the first direction is perpendicular to the second direction, and the partition 112 is parallel to the second direction.
Further, the fan blade 140 in this embodiment is a centrifugal fan blade disposed in the second cavity 130, the axial air inlet side of the fan blade 140 faces the air inlet 113, and the indoor air outlet 131 and the outdoor air outlet 132 are both located at one side of the fan blade 140 in the radial direction. The centrifugal fan blade has the characteristics of axial air inlet and radial air outlet, and can be well adapted to the condition that the indoor air outlet 131 and the air inlet 113 face mutually perpendicular.
In this embodiment, the fresh air device 100 further includes an air valve 170, where the air valve 170 is installed on the outer side of the casing 110 and is communicated with the outdoor air outlet 132 and the fresh air outlet 123, and a main valve opening 171 for communicating with the outdoor is formed on the air valve 170. Through setting up the blast gate 170, can make the new trend device 100 and the two openings of outdoor intercommunication gather into a total valve mouth 171, reduced the trompil quantity on the wall body like this, simplified the cooperation relation of new trend device 100 and wall body, it is convenient to provide for the installation of new trend device 100. Fig. 4 is a schematic diagram of the fresh air device 100 with the damper 170 removed in one embodiment of the present application. As shown in fig. 4, the outdoor air outlet 132 and the fresh air outlet 123 are located on the same side of the housing 110 as a whole, and after the air valve 170 is installed, the air valve 170 covers the outdoor air outlet 132 and the fresh air outlet 123. The opening and closing of the outdoor air outlet 132 and the fresh air outlet 123 are independently controlled, and the main valve 171 can be kept in a normally open state.
In the present embodiment, the first chamber 120 is provided with a first support plate 116 and a second support plate 117 on two opposite inner walls in the first direction, respectively, wherein the second support plate 117 is provided at the partition 112, both ends of the second filter 150 are connected to the first support plate 116 and the second support plate 117, respectively, and the first support plate 116, the second filter 150 and the second support plate 117 jointly partition the first chamber 120 into a first region 121 and a second region 122. As shown in fig. 3, the upper region of the second filter 150 and the first support plate 116 is the first region 121, and the lower left region of the second filter 150 is the second region 122.
Further, the first support plate 116 is different from the second support plate 117 in position in the second direction, and the first support plate 116 is higher than the second support plate 117. The second filter 150 is plate-shaped and inclined to the first direction and the second direction. In the first direction, an end of the second filter 150 connected to the second support plate 117 is closer to the partition 112 than an end of the second filter 150 connected to the first support plate 116. The second filter 150 is inclined, so that the filtering area can be increased and the filtering effect can be improved. And, the second filter 150 and the partition 112 form a tapered flow passage at the downstream of the first region 121, which can reduce the wind resistance of the polluted wind.
Further, the projection of the second filter 150 onto the partition 112 in the first direction covers at least 80% of the air intake 113. Since the air entering through the fresh air port 123 can only reach the first area 121 and then reach the air guiding port 113 through the second filter 150, the projection of the second filter 150 on the partition board 112 covers at least 80% of the air guiding port 113, so that the second filter 150 is ensured to be large enough, the fresh air intake can be improved to a certain extent, and the filtering effect is improved.
In this embodiment, the inner wall of the second region 122 of the first cavity 120 is further provided with a third support plate 118, the third support plate 118 and the first support plate 116 are disposed on the same side of the first cavity 120, the first filter 160 is located between the first support plate 116 and the third support plate 118, and two ends of the first filter 160 are respectively connected to the first support plate 116 and the third support plate 118. In this embodiment, the first support plate 116 and the third support plate 118 are slidably engaged with the first filter 160, and the housing 110 is provided with a first mounting opening for allowing the first filter 160 to be drawn out of the first chamber 120 or loaded into the first chamber 120. By slidably matching the first filter 160 with the first support plate 116 and the third support plate 118 and providing the first mounting opening, the first filter 160 can be more conveniently mounted and dismounted.
Further, the first support plate 116 and the second support plate 117 are slidably engaged with the second filter 150, and the housing 110 is provided with a second mounting opening for allowing the second filter 150 to be drawn out of the first chamber 120 or be mounted into the first chamber 120. Through sliding fit of the second filter 150 with the first support plate 116 and the second support plate 117 and the second mounting opening, the second filter 150 can be more conveniently assembled and disassembled.
In this embodiment, the fresh air device 100 further includes a switching component for selectively opening one of the indoor air outlet 131 and the outdoor air outlet 132 and blocking the other. Since the indoor air outlet 131 and the outdoor air outlet 132 are not used at the same time, one of the indoor air outlet 131 and the outdoor air outlet 132 is selectively opened by the switching assembly, so that the use of the driving mechanism can be reduced, the structure is compact, and the cost is reduced.
In an alternative embodiment, the switching assembly includes a first rotary damper 172, and the first rotary damper 172 is rotatable with respect to the inner wall of the second chamber 130, and the first rotary damper 172 is rotatable to selectively open the indoor air outlet 131 while blocking the outdoor air outlet 132, or to open the outdoor air outlet 132 while blocking the indoor air outlet 131. In this embodiment, the switching assembly is provided on the damper 170, and in alternative other embodiments, the switching assembly may be provided on the housing 110. In this embodiment, the switching assembly further includes a motor for driving the first rotary damper 172 to rotate.
In this embodiment, the fresh air device 100 further includes a second rotary damper 173, and the second rotary damper 173 can selectively open or close the fresh air port 123 by rotating. A motor may be separately provided to drive the second rotary damper 173. In the present embodiment, the second rotary damper 173 is provided on the damper 170; in alternative other embodiments, the second rotary damper 173 may also be rotatably coupled to the housing 110.
In the embodiment of the present application, when the purifying function is turned on, the air in the room passes through the first filter 160 and the second filter 150 in sequence, and then is sent back into the room; in case that the fresh air function is turned on, the outdoor air passes through the second filter 150 and then enters the room. Considering that the objects treated by the fresh air function and the purifying function are different, the fresh air function mainly needs to filter outdoor air, the focus is on removing particulate matters, the purifying function mainly aims at purifying indoor air, and the focus of purification can be on organic volatile matters. The first filter 160 and the second filter 150 may thus take the form of different types or different filter capacities of filters.
In the present embodiment, a sliding door 126 is provided on the housing 110, and the sliding door 126 is slidable to selectively open one of the sewage port 125 or the purge port 124. Since the sewage discharging function and the purifying function can be selectively opened, the sewage port 125 and the purifying port 124 can be selectively opened, and therefore, the purifying port 124 and the sewage port 125 can be opened or closed by the same sliding door 126, and the sliding door 126 can seal the purifying port 124 when the sewage port 125 is opened, and can seal the sewage port 125 when the purifying port 124 is opened. And the sliding door 126 may simultaneously block the purge port 124 and the sewage port 125. A motor may be provided in this embodiment to drive the sliding door 126.
Fig. 5 is an exploded view of the fresh air device 100 in one embodiment of the present application. As shown in fig. 5, in an embodiment of the present application, the housing 110 of the fresh air device 100 may be assembled from a number of components, including a volute 119, a middle housing 111, an end plate 115, and a support 114. Wherein, the middle shell 111, the end plate 115 and the supporting frame 114 together enclose a first cavity 120, the partition 112 and the fresh air port 123 are located on the middle shell 111, and the sewage port 125 and the purifying port 124 are formed on the end plate 115. In the present embodiment, a part of the first support plate 116 and the third support plate 118 are located on the support frame 114, and the support frame 114 is abutted against the end plate 115; in alternative other embodiments, the first support plate 116 and the third support plate 118 may also be disposed directly inside the end plate 115.
In the present embodiment, since the fan blade 140 is a centrifugal fan blade, the scroll 119 is used to form the second chamber 130. The fan blade 140 is disposed in the second chamber 130, and the shape of the volute 119 matches the shape of the fan blade 140. In alternative embodiments, the fan 140 may be an axial flow fan, in which case the fan 140 may be disposed in the air intake 113, and the volute 119 forming the second chamber 130 may be replaced by another shape.
In the present embodiment, the second filter 150 is disposed in the second filter frame 151, and the first filter 160 is disposed in the first filter frame 161, so that the edge strength of the filter can be improved, and the filter can be easily slidably engaged with the support plate, and also easily removed.
The following describes the operation of the fresh air device 100 in three different modes.
FIG. 6 is a second cross-sectional view of the fresh air device 100 in a fresh air mode according to one embodiment of the present application; fig. 7 is a third cross-sectional view of the fresh air device 100 in the fresh air mode according to an embodiment of the present application. As shown in fig. 3, 6 and 7, in the fresh air mode, the sliding door 126 closes the clean air outlet 124 and the dirty air outlet 125, the second rotary damper 173 opens the fresh air outlet 123, and the first rotary damper 172 opens the indoor air outlet 131 and closes the outdoor air outlet 132. When the fan blades 140 rotate, outdoor fresh air enters from the main valve opening 171 of the air valve 170, passes through the fresh air opening 123, enters the first cavity 120, then passes through the second filter 150, enters the second cavity 130, and finally is discharged into the room from the indoor air outlet 131. The hollow arrows in the figure indicate the flow direction of the air flow. In this process, since the outdoor air outlet 132 is blocked, fresh air does not directly enter the second chamber 130 from the outdoor air outlet 132 after entering the air valve 170.
FIG. 8 is a first cross-sectional view of the fresh air device 100 in a blowdown mode in one embodiment of the present application; FIG. 9 is a second cross-sectional view of the fresh air device 100 in a blowdown mode in one embodiment of the present application; fig. 10 is a third cross-sectional view of the fresh air device 100 in a blowdown mode in one embodiment of the present application. As shown in fig. 8 to 10, in the sewage discharge mode, the slide door 126 opens the sewage port 125 and closes the purge port 124, the fresh air port 123 is blocked by the second rotary damper 173, and the indoor air outlet 131 is blocked by the second rotary damper 173. When the fan blades 140 rotate, indoor air enters the first area 121 of the first cavity 120 from the air inlet 125, then enters the second cavity 130 directly from the air inlet 113, and then enters the exhaust section of the volute 119 under the action of the fan blades 140. At this time, since the first rotary damper 172 blocks the indoor air outlet 131, air enters the air valve 170 from the outdoor air outlet 132 and is then discharged to the outside from the main valve opening 171.
FIG. 11 is a first cross-sectional view of the fresh air device 100 in a purge mode in one embodiment of the present application; fig. 12 is a second cross-sectional view of the fresh air device 100 in a purge mode in one embodiment of the present application. As shown in fig. 11 and 12, in the purge mode, the slide door 126 opens the purge port 124 and closes the waste port 125, the fresh air port 123 is blocked by the second rotary damper 173, the outdoor air outlet 132 is blocked by the first rotary damper 172, and the indoor air outlet 131 is opened. After the fan blades 140 rotate, indoor air enters the first cavity 120 from the purifying port 124, passes through the first filter 160 and the second filter 150 in sequence, then enters the second cavity 130 through the air introducing port 113, and is discharged into the room from the indoor air outlet 131. The indoor air is returned to the room after passing through the fresh air device 100 and is filtered twice in the process, so that it can be purified.
Fig. 13 is a schematic diagram of a air conditioner 010 according to an embodiment of the present application. As shown in fig. 13, the air conditioner 010 provided in the embodiment of the present application includes an air conditioner main body 200 and the fresh air device 100 provided in the above embodiment. In this embodiment, the air conditioner 010 is a wall-mounted air conditioner, and in alternative other embodiments, may be a cabinet air conditioner or a multi-split air conditioner.
In this embodiment, the air conditioner main body 200 is mainly used for adjusting temperature, and includes necessary components such as a heat exchanger and a fan. The air conditioner body 200 includes an air inlet 210 and an air outlet 220, the air inlet 210 is located at an upper side of the air conditioner body 200, and the air outlet 220 is located at a lower side of the air conditioner body 200. And the fresh air device 100 is disposed at one side of the air conditioning body 200 in the horizontal direction, and the first chamber 120, the second chamber 130, and the air conditioning body 200 are sequentially arranged. Under this structure, the air inlet 125 and the purifying port 124 are located at a side of the fresh air device 100 away from the air conditioner main body 200, so that the air inlet is not easily affected by the induced air of the air inlet 210 at the upper side of the air conditioner main body 200 when the air is taken in, and the air inlet quantity of the air inlet 125 and the air inlet 124 is ensured.
In this embodiment, when the fresh air device 100 is normally installed in the air conditioner main body 200, the indoor air outlet 131 and the fresh air outlet 123 are located at a position below the fresh air device 100, and the indoor air outlet 131 and the air outlet 220 are arranged side by side in the horizontal direction, so that the fresh air outlet 123 is located below to be convenient for connecting an external fresh air pipe.
In this embodiment, an integrated panel may be disposed on the outer sides of the fresh air device 100 and the air conditioner main body 200, so that the fresh air device 100 and the air conditioner main body 200 are protected and the aesthetic degree is improved. Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention should be assessed accordingly to that of the appended claims.

Claims (13)

1. The fresh air device is characterized by comprising a shell (110), a first filtering piece (160) and a fan blade (140), wherein the first filtering piece (160) and the fan blade (140) are arranged in the shell (110), a first cavity (120) and a second cavity (130) are formed in the shell (110), the first cavity (120) is provided with a purifying opening (124) and an air outlet (125), the purifying opening (124) is used for being communicated with a room, the air outlet (125) is used for being communicated with the room, the first cavity (120) and the second cavity (130) are communicated through an air inlet (113), and the fan blade (140) is used for guiding air of the first cavity (120) to the second cavity (130) through the air inlet (113); the first filtering piece (160) is arranged in the first cavity (120) and opposite to the purifying opening (124) and is used for filtering air entering the first cavity (120) from the purifying opening (124), and the sewage opening (125) and the purifying opening (124) can be selectively opened or closed; the second cavity (130) is provided with an indoor air outlet (131) and an outdoor air outlet (132), the indoor air outlet (131) is used for being communicated with the indoor space, the outdoor air outlet (132) is used for being communicated with the outdoor space, and the indoor air outlet (131) and the outdoor air outlet (132) can be selectively opened or closed.
2. The fresh air device according to claim 1, wherein the first cavity (120) and the second cavity (130) are arranged in a first direction and separated by a partition (112), the air intake (113) is provided in the partition (112), and the sewage port (125) and the purifying port (124) are both provided on a side of the first cavity (120) away from the second cavity (130) in the first direction.
3. The fresh air device according to claim 1, wherein the fan blade (140) is a centrifugal fan blade disposed in the second cavity (130), an axial air inlet side of the fan blade (140) faces the air guiding opening (113), and the indoor air outlet (131) and the outdoor air outlet (132) are both located at one side of the fan blade (140) in a radial direction.
4. The fresh air device according to claim 1, wherein the first cavity (120) and the second cavity (130) are arranged in a first direction and are separated by a partition plate (112), the air intake (113) is arranged in the partition plate (112), a second filter (150) is further arranged in the first cavity (120), the first cavity (120) comprises a first region (121) and a second region (122), the first region (121) and the second region (122) are separated by the second filter (150), the air intake (113) and the air exhaust (125) are positioned on a side wall of the first region (121), the purification port (124) is positioned on a side wall of the second region (122), and the first filter (160) is arranged in the second region (122).
5. The fresh air device according to claim 4, wherein the first chamber (120) is provided with a first support plate (116) and a second support plate (117) on two opposite inner walls in the first direction, respectively, wherein the second support plate (117) is disposed on the partition plate (112), two ends of the second filter member (150) are connected to the first support plate (116) and the second support plate (117), respectively, and the first support plate (116), the second filter member (150) and the second support plate (117) jointly divide the first chamber (120) into the first region (121) and the second region (122).
6. The fresh air device according to claim 5, wherein the first support plate (116) and the second support plate (117) are positioned differently in a second direction, the second filter member (150) being plate-shaped and inclined to the first direction and the second direction, and in the first direction, an end of the second filter member (150) connected to the second support plate (117) is closer to the partition plate (112) than an end of the second filter member (150) connected to the first support plate (116), wherein the second direction is perpendicular to the first direction.
7. The fresh air device according to claim 5, wherein a third support plate (118) is further disposed in the second region (122), the third support plate (118) and the first support plate (116) are disposed on an inner wall of the same side of the first cavity (120), the first support plate (116) and the third support plate (118) are respectively located on two opposite sides of the purifying opening (124), and two ends of the first filter (160) are respectively connected with the first support plate (116) and the third support plate (118) and cover the purifying opening (124).
8. The fresh air device according to claim 7, wherein the first support plate (116) and the third support plate (118) are both in sliding fit with the first filter element (160), and the housing (110) is provided with a first mounting opening for the first filter element (160) to be drawn out of the first cavity (120) or to be inserted into the first cavity (120).
9. Fresh air device according to claim 5, characterized in that the first support plate (116) and the second support plate (117) are both in sliding fit with the second filter element (150), and the housing (110) is provided with a second mounting opening for the second filter element (150) to be extracted from the first cavity (120) or to be inserted into the first cavity (120).
10. The fresh air device according to any one of claims 1 to 9, wherein the fresh air device (100) further comprises a switching assembly for selectively opening one of the indoor air outlet (131) and the outdoor air outlet (132) while blocking the other.
11. The fresh air device according to claim 10, wherein the switching assembly comprises a first rotary damper (172), the first rotary damper (172) is rotatably connected to the inner wall of the second chamber (130), and the first rotary damper (172) can selectively open the indoor air outlet (131) while blocking the outdoor air outlet (132) or open the outdoor air outlet (132) while blocking the indoor air outlet (131) by rotating.
12. The fresh air device according to any one of claims 1 to 9, wherein a sliding door (126) is provided on the housing (110), the sliding door (126) being slidable to selectively open one of the waste gate (125) and the clean gate (124).
13. An air conditioner characterized by comprising an air conditioner main body (200) and the fresh air device (100) according to any one of claims 1 to 12, wherein the first chamber (120), the second chamber (130) and the air conditioner main body (200) are sequentially arranged in a length direction of the air conditioner.
CN202210911258.1A 2022-07-29 2022-07-29 Fresh air device and air conditioner Pending CN117515714A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210911258.1A CN117515714A (en) 2022-07-29 2022-07-29 Fresh air device and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210911258.1A CN117515714A (en) 2022-07-29 2022-07-29 Fresh air device and air conditioner

Publications (1)

Publication Number Publication Date
CN117515714A true CN117515714A (en) 2024-02-06

Family

ID=89746312

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210911258.1A Pending CN117515714A (en) 2022-07-29 2022-07-29 Fresh air device and air conditioner

Country Status (1)

Country Link
CN (1) CN117515714A (en)

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