CN117515708A - Fresh air device and air conditioner - Google Patents

Fresh air device and air conditioner Download PDF

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Publication number
CN117515708A
CN117515708A CN202210911236.5A CN202210911236A CN117515708A CN 117515708 A CN117515708 A CN 117515708A CN 202210911236 A CN202210911236 A CN 202210911236A CN 117515708 A CN117515708 A CN 117515708A
Authority
CN
China
Prior art keywords
fresh air
air
filter
cavity
chamber
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
CN202210911236.5A
Other languages
Chinese (zh)
Inventor
朱勇强
商竹贤
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 CN202210911236.5A priority Critical patent/CN117515708A/en
Publication of CN117515708A publication Critical patent/CN117515708A/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

Landscapes

  • 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 the purification mouth, consequently, can realize purification performance and new trend function. In addition, as the fresh air filter element separates the first area from the second area, the air inlet is positioned in the first area, and the fresh air inlet and the purifying opening are positioned in the second area, when the fresh air function is used, outdoor air can pass through the fresh air filter element, so that the cleanliness of air entering the room is ensured; when the purification function is used, indoor air can pass through the purification filter piece and the fresh air filter piece in sequence and return to the room. Therefore, when the fresh air function is used, fresh air can pass through one filter element, and when the purification function is used, indoor polluted air can pass through two filter elements successively, so that the indoor air purification is more targeted, and the indoor air quality can be better guaranteed.

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 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, and a fresh air filtering piece, a purifying filtering piece and a fan blade which are arranged in the shell, wherein a first cavity and a second cavity are formed in the shell, the first cavity is provided with a purifying port and a fresh air port, the purifying port is used for being communicated with the indoor space, the fresh air port is used for being communicated with the outdoor space, the first cavity and the second cavity are communicated through an air guiding port, and the fan blade is used for guiding air of the first cavity to the second cavity through the air guiding port; the first cavity comprises a first area and a second area, the first area and the second area are separated by a fresh air filter, the air inlet is positioned on the side wall of the first area, the fresh air inlet and the purifying opening are positioned on the side wall of the second area, the purifying filter is arranged in the second area and is used for filtering air flowing from the purifying opening to the air inlet, the air flowing from the fresh air inlet to the air inlet does not pass through the purifying filter, and the fresh air inlet and the purifying opening can be selectively opened or closed; the second cavity is provided with an indoor air outlet which is used for being communicated with the indoor space.
In this application embodiment, under the circumstances that new trend mouth is closed, the purification mouth is opened, indoor air can be under the drive of fan blade, through purification mouth, purification filter, the second region in first chamber, new trend filter, the first region in first chamber, induced air mouth, second chamber, indoor air exit in proper order to get back to indoor, play the function of purifying indoor air. And under the condition that the fresh air port is opened and the purifying port is closed, outdoor air can sequentially pass through the fresh air port, the second area of the first cavity, the fresh air filtering piece, the first area of the first cavity, the air guiding port, the second cavity and the indoor air outlet, so that the fresh air function is realized. The purification port and the fresh air port can be opened simultaneously, so that the fresh air function and the purification function are realized simultaneously. Therefore, in the fresh air device provided by the embodiment of the application, the first cavity is provided with the purification port and the fresh air port, so that the purification function and the fresh air function can be realized. In addition, as the fresh air filter element separates the first area from the second area, the air inlet is positioned in the first area, and the fresh air inlet and the purifying opening are positioned in the second area, when the fresh air function is used, outdoor air can pass through the fresh air filter element, so that the cleanliness of air entering the room is ensured; when the purification function is used, indoor air can pass through the purification filter piece and the fresh air filter piece in sequence and return to the room. Therefore, when the fresh air function is used, fresh air can pass through one filter element, and when the purification function is used, indoor polluted air can pass through two filter elements successively, so that the indoor air purification is more targeted, and because the indoor air is more than the outdoor air, the indoor air possibly has more complex components (such as organic volatile components), and more strict filtration and purification are needed. Therefore, the fresh air device provided by the embodiment of the application can realize the fresh air function and the purification function, and can better ensure the quality of indoor air.
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 on the partition, the purifying opening is arranged on one side of the first cavity away from the second cavity in the first direction, the fresh air opening is arranged on one side of the first cavity in the second direction, and the first direction is perpendicular to the second direction. When used in an air conditioner, especially a wall-mounted air conditioner, the first direction may be a horizontal direction, in which case the air in the room is directed laterally into the fresh air device when the purification function is on. And the purifying port is arranged on one side of the first cavity, which is far away from the second cavity in the first direction, so that the purifying port is far away from the heat exchange air inlet on the air conditioner main body as far as possible, and the air inlet of the air conditioner main body is prevented from influencing the air inlet of the purifying port to reduce the purifying capacity.
In an alternative embodiment, the projection of the purge port onto the partition covers at least partially the air introduction port. By the arrangement, the path of indoor sewage wind flowing to the air guiding opening after entering the purifying opening can be shortened, the air guiding resistance is reduced, and the purifying air quantity is improved.
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 is positioned at one side of the fan blade in the radial direction. When the fresh air device is installed in an air conditioner, the fresh air device is often arranged transversely to the main body of the air conditioner. 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 plate, the air inlet is formed in the partition plate, the first cavity is respectively provided with a first supporting plate and a second supporting plate on two opposite inner walls in the first direction, the second supporting plate is arranged in the partition plate, two ends of the fresh air filtering piece are respectively connected with the first supporting plate and the second supporting plate, and the first supporting plate, the fresh air filtering piece and the second supporting plate jointly separate the first cavity into a first area and a second area.
In an alternative embodiment, the fresh air filter and the purification filter are inclined to each other, and the space between the fresh air filter and the purification filter gradually contracts in a direction away from the fresh air port. Fresh air filter piece and purification filter piece slope setting can form the convergent wind channel between. After the fresh air enters the shrinkage reducing air duct, the air pressure at each position of the air inlet surface of the fresh air filter element can be balanced, the effective air inlet area of the fresh air filter element is increased, the purification effect is improved, meanwhile, the actual air inlet area of the fresh air filter element is large, the induced air resistance is reduced, and the fresh air inlet quantity is improved. Besides, the distance between the two filter screens is reduced, and meanwhile, the large-area purification filter piece and the fresh air filter piece can be adapted, so that the purification effect is improved.
In an alternative embodiment, the fresh air filter is arranged obliquely to the partition, the projection of the fresh air filter onto the partition in the first direction covering at least 80% of the air intake. Because the air that the new trend mouth got into can only reach first region through the new trend filter, and then reaches the induced air mouth, consequently through making the projection of new trend filter on the baffle cover induced air mouth at least 80%, guarantee that the new trend filter is big enough, can improve the intake of new trend to a certain extent, also improve the filter effect simultaneously.
In an alternative embodiment, the first support plate and the second support plate are both in sliding fit with the fresh air filter, and the housing is provided with a first mounting opening for the fresh air filter to be drawn out of or inserted into the first cavity. Through with new trend filter and first backup pad and second backup pad sliding fit to offer first installing port, can make the loading and unloading of new trend filter more convenient.
In an alternative embodiment, a third support plate is further arranged in the first area, the third support plate and the first support plate are arranged on the inner wall of the same side of the first cavity, the first support plate and the third support plate are respectively located on two opposite sides of the purifying opening, and two ends of the purifying and filtering piece are respectively connected with the first support plate and the third support plate.
In an alternative embodiment, the first support plate and the third support plate are both in sliding fit with the purification filter element, and a second mounting opening is formed in the housing, the second mounting opening being used for the extraction or insertion of the purification filter element from or into the first chamber. Through with purifying filter spare and first backup pad and third backup pad sliding fit to offer the second mounting port, can make purifying filter spare's loading and unloading more convenient.
In an alternative embodiment, the projection of the fresh air filter element onto the partition in the first direction completely covers the projection of the clean air filter element onto the partition in the first direction. In this embodiment, the fresh air filter is larger, and its projection onto the partition can completely cover the projection of the purge filter onto the partition. Therefore, fresh air can enter the air inducing port from the fresh air filtering piece more directly after entering the first cavity through the fresh air port, and excessive interference with the purifying filtering piece is avoided, so that wind resistance is reduced, and fresh air quantity is improved.
In an alternative embodiment, the fresh air device includes a rotary damper that can be rotated to selectively open or close the fresh air port.
In an alternative embodiment, a sliding door is provided on the housing, the sliding door being slidable to selectively open or close the purge port.
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-fresh air filter element; 151-fresh air filtering frames; 160-purifying the filter; 161-a purification filtration 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 current fresh air device has single function, lacks purification of indoor air, only introduces fresh air to replace indoor air, thereby improving indoor environment, and is difficult to further improve indoor air quality.
In order to improve the defects in the prior art, the embodiment of the application provides a fresh air device which can realize a fresh air function of introducing fresh air into a room and a purifying function of purifying indoor gas through internal circulation.
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, a fresh air device 100 provided in the embodiment of the present application includes a housing 110, a fan blade 140 disposed in the housing 110, a fresh air filter 150, and a purifying filter 160. 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 purge port 124 and a fresh air port 123, the purge port 124 is used for communicating indoors, the fresh air port 123 is used for communicating outdoors, the first chamber 120 is communicated with the second chamber 130 through an air guiding port 113, the first chamber 120 comprises a first area 121 and a second area 122, the first area 121 and the second area 122 are separated by a fresh air filter 150, the air guiding port 113 is positioned on the side wall of the first area 121, the fresh air port 123 and the purge port 124 are positioned on the side wall of the second area 122, a purge filter 160 is arranged in the second area 122 for filtering air flowing from the purge port 124 to the air guiding port 113, and air flowing from the fresh air port 123 to the air guiding port 113 does not pass through the purge filter 160. The fresh air port 123 and the purge port 124 may be selectively opened or closed.
The second chamber 130 has an indoor air outlet 131, and the indoor air outlet 131 is used for communicating with the indoor space. In the present embodiment, the indoor air outlet 131 may be selectively opened or closed.
It can be seen that, in this embodiment of the present application, when the fresh air port 123 is closed and the purifying port 124 is opened, the indoor air may sequentially pass through the purifying port 124, the purifying filter 160, the second area 122 of the first cavity 120, the fresh air filter 150, the first area 121 of the first cavity 120, the air intake 113, the second cavity 130, and the indoor air outlet 131 under the driving of the fan blade 140, so as to return to the room, and perform the function of purifying the indoor air. And under the condition that the fresh air port 123 is opened and the purifying port 124 is closed, outdoor air can sequentially pass through the fresh air port 123, the second area 122 of the first cavity 120, the fresh air filter 150, the first area 121 of the first cavity 120, the air inducing port 113, the second cavity 130 and the indoor air outlet 131, so that the fresh air can reach the indoor space, and the fresh air function is realized. In addition, the fresh air filter 150 separates the first area 121 from the second area 122, the air inlet 113 is located in the first area 121, and the fresh air inlet 123 and the purifying inlet 124 are located in the second area 122, so that when the fresh air function is used, outdoor air can pass through the fresh air filter 150, and the cleanliness of air entering the room is ensured; when the purification function is used, indoor air passes through the purification filter 160 and the fresh air filter 150 in sequence and returns to the room. Therefore, when the fresh air function is used, fresh air can pass through one filter element, and when the purification function is used, indoor polluted air can pass through two filter elements successively, so that the indoor air purification is more targeted, and because the indoor air is more than the outdoor air, the indoor air possibly has more complex components (such as organic volatile components), and more strict filtration and purification are needed. Therefore, using the new trend device 100 that this application embodiment provided, not only can realize new trend function, can also realize purification performance, when using purification performance, can guarantee the quality of indoor air better through the mode purifying indoor air of inner loop. In addition, the purge port 124 and the fresh air port 123 may be opened simultaneously, thereby realizing both the fresh air function and the purge function.
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 purge filter 160 and the fresh air filter 150 may thus take the form of filters of different types or different filtering capacities. For example, formaldehyde or odor removal materials may be added to the purge filter 160, and the fresh air filter 150 may employ a higher particle capture efficiency screen.
Further, in the present embodiment, the purge port 124 is 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. The purge port 124 at least partially covers the air intake 113 in the projection of the baffle 112. By the arrangement, the path of indoor sewage wind flowing to the air guiding port 113 after entering the purifying port 124 can be shortened, the air guiding resistance is reduced, and the purifying air quantity is improved.
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 is 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 the present embodiment, the fresh air filter 150 and the purification filter 160 are inclined to each other, and the space between the fresh air filter 150 and the purification filter 160 is gradually contracted in a direction away from the fresh air port 123. The fresh air filter 150 and the purification filter 160 are obliquely arranged, and a tapered air channel can be formed between the fresh air filter and the purification filter. After the fresh air enters the shrinkage reducing air channel, the air pressure at each position of the air inlet surface of the fresh air filter 150 is balanced, the effective air inlet area of the fresh air filter 150 is increased, the purifying effect is improved, meanwhile, the actual air inlet area of the fresh air filter 150 is large, the induced air resistance is reduced, and the fresh air inlet quantity is improved. In addition, the distance between the two filter screens is reduced, and meanwhile, the large-area purifying filter 160 and the fresh air filter 150 can be matched, so that the purifying effect is improved.
Further, 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, wherein the second support plate 117 is disposed on the partition 112, two ends of the fresh air filter 150 are respectively connected to the first support plate 116 and the second support plate 117, and the first support plate 116, the fresh air filter 150 and the second support plate 117 jointly divide the first chamber 120 into a first area 121 and a second area 122. As shown in fig. 3, the upper region of the fresh air filter 150 and the first support plate 116 is the first region 121, and the lower left region of the fresh air filter 150 is the second region 122.
Further, the positions of the first support plate 116 and the second support plate 117 in the second direction are different, the fresh air filter 150 is plate-shaped and inclined to the first direction and the second direction, and the purge filter 160 is plate-shaped and perpendicular to the first direction. The fresh air filter 150 is obliquely arranged, so that the filtering area can be increased, and the filtering effect is improved; the purifying filter 160 is perpendicular to the first direction, which means that the purifying filter 160 is inclined to the fresh air filter 150, and a tapered air channel is formed between the fresh air filter 150 and the purifying filter 160, and the tapered air channel can reduce induced air resistance.
In this embodiment, the fresh air filter 150 is disposed obliquely with respect to the partition 112, and the projection of the fresh air filter 150 on the partition 112 along the first direction covers at least 80% of the air inlet 113. Since the air entering through the fresh air inlet 123 can only reach the first area 121 through the fresh air filter 150 and then reach the air guiding opening 113, the projection of the fresh air filter 150 on the partition board 112 covers at least 80% of the air guiding opening 113, so that the fresh air filter 150 is ensured to be large enough, the air inlet amount of the fresh air can be improved to a certain extent, and meanwhile, the filtering effect is also improved.
Further, the first support plate 116 and the second support plate 117 are slidably matched with the fresh air filter 150, and a first mounting opening is formed in the housing 110, and the first mounting opening is used for allowing the fresh air filter 150 to be drawn out of the first cavity 120 or be installed into the first cavity 120. Through with new trend filter 150 and first backup pad 116 and second backup pad 117 sliding fit to offer first mounting hole, can make the loading and unloading of new trend filter 150 more convenient.
In this embodiment, a third support plate 118 is further disposed in the first region 121, the third support plate 118 and the first support plate 116 are located on the inner wall of the same side of the first chamber 120, and the first support plate 116 and the third support plate 118 are respectively located at two opposite sides of the purge port 124, and two ends of the purge filter 160 are respectively connected to the first support plate 116 and the third support plate 118 and cover the purge port 124.
Further, the first support plate 116 and the third support plate 118 are slidably engaged with the cleaning filter member 160, and the housing 110 is provided with a second mounting opening for allowing the cleaning filter member 160 to be drawn out of the first chamber 120 or to be mounted into the first chamber 120. Through sliding fit of the purifying and filtering piece 160 with the first supporting plate 116 and the third supporting plate 118 and the second mounting opening, the assembling and disassembling of the purifying and filtering piece 160 can be more convenient.
In the present embodiment, the projection of fresh air filter 150 onto baffle 112 in the first direction completely covers the projection of purge filter 160 onto baffle 112 in the first direction. In this embodiment, the fresh air filter 150 is larger and its projection onto the baffle 112 can completely cover the projection of the purge filter 160 onto the baffle 112. Specifically, in the second direction, the second support plate 117 is closer to the fresh air port 123 than the third support plate 118 and the air introduction port 113, and the projection of the third support plate 118 on the partition 112 falls at least partially into the air introduction port 113. As shown in fig. 3, in the present embodiment, by defining the relative positions of the second support plate 117, the air intake 113 and the third support plate 118, the portion of the fresh air filter 150 that extends downward beyond the cleaning filter 160 can correspond to a partial region of the air intake 113, so that fresh air can more directly enter the air intake 113 from the portion of the fresh air filter 150 after entering the first chamber 120 through the fresh air intake 123, without causing excessive interference with the cleaning filter 160, thereby reducing wind resistance and improving fresh air volume.
In the embodiment of the present application, the fresh air device 100 may realize a sewage draining function in addition to a fresh air function and a purifying function. The blowdown function is to introduce indoor air into the fresh air device 100 and then discharge the air to the outside. In this embodiment, the housing 110 is further provided with an air outlet 125 and an outdoor air outlet 132 (see fig. 4), the air outlet 125 is used for communicating indoors, and the outdoor air outlet 132 is used for communicating outdoors. The sewage port 125 is located on a sidewall of the first region 121 of the first chamber 120 and is located on the same side of the first chamber 120 as the purge port 124. The outdoor air outlet 132 is located in the second chamber 130 and is located at the same side of the second chamber 130 as the indoor air outlet 131. The tuyere 125 may be selectively opened or closed. In this embodiment, when the blowdown function is turned on, the indoor air entering through the blowdown port 125 may be directly sucked into the second cavity 130 by the fan blade 140 without passing through the fresh air filter 150, and finally discharged to the outside from the outdoor air outlet 132.
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 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. Because 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 component, so that the use of a 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 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 present embodiment, a sliding door 126 is provided on the housing 110, and the sliding door 126 can selectively open or close the purge port 124 by sliding. 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 thus the sewage port 125 can be opened or closed by the sliding door 126, the purifying port 124 is blocked when the sewage port 125 is opened by the sliding door 126, the sewage port 125 is blocked when the purifying port 124 is opened, and the purifying port 124 and the sewage port 125 are simultaneously blocked by the sliding door 126. 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 this embodiment, the fresh air filter 150 is disposed in the fresh air filter frame 151, and the purification filter 160 is disposed in the purification filter frame 161, so that the edge strength of the filter can be improved, and the filter is convenient to be in sliding fit with the support plate and convenient to assemble and disassemble.
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 inlet 123, enters the first cavity 120, then passes through the fresh air 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 opening 124, passes through the purifying filter 160 and the fresh air filter 150 in sequence, then enters the second cavity 130 through the air introducing opening 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 conditioner main body 200 in the horizontal direction, and the first chamber 120, the second chamber 130, and the air conditioner main body 200 are sequentially arranged in the length direction (i.e., horizontal and lateral directions) of the air conditioner 010. Under this structure, the sewage port 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, thereby being away from the air inlet 210, so that the air inlet is not easily affected by the induced air of the air inlet 210 on the upper side of the air conditioner main body 200 when the air is taken in, and the air inlet quantity of the sewage port 125 and the purifying port 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 (14)

1. The utility model provides a fresh air device which is characterized in that, including casing (110) and set up in fresh air filter (150), purification filter (160) and fan blade (140) in casing (110), form first chamber (120) and second chamber (130) in casing (110), first chamber (120) have purification mouth (124) and fresh air mouth (123), purification mouth (124) are used for communicating indoor, fresh air mouth (123) are used for communicating outdoor, first chamber (120) with second chamber (130) are through air intake (113) intercommunication, fan blade (140) are used for leading the air in first chamber (120) through air intake (113) to second chamber (130); 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 the fresh air filter (150), the fresh air inlet (113) is positioned on the side wall of the first area (121), the fresh air inlet (123) and the purifying opening (124) are positioned on the side wall of the second area (122), the purifying filter (160) is arranged in the second area (122) and is used for filtering air flowing from the purifying opening (124) to the fresh air inlet (113), the air flowing from the fresh air inlet (123) to the fresh air inlet (113) does not pass through the purifying filter (160), and the fresh air inlet (123) and the purifying opening (124) can be selectively opened or closed; the second cavity (130) is provided with an indoor air outlet (131), and the indoor air outlet (131) is used for being communicated with the indoor space.
2. The fresh air device according to claim 1, wherein the first chamber (120) and the second chamber (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 purge port (124) is provided at a side of the first chamber (120) away from the second chamber (130) in the first direction.
3. Fresh air device according to claim 2, characterized in that the projection of the purge opening (124) on the partition (112) at least partially covers the air intake (113).
4. 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 inlet (113), and the indoor air outlet (131) is located at one side of the fan blade (140) in a radial direction.
5. 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 inducing opening (113) is formed in the partition plate (112), a first supporting plate (116) and a second supporting plate (117) are respectively arranged on two opposite inner walls of the first cavity (120) in the first direction, wherein the second supporting plate (117) is arranged in the partition plate (112), two ends of the fresh air filtering piece (150) are respectively connected to the first supporting plate (116) and the second supporting plate (117), and the first supporting plate (116), the fresh air filtering piece (150) and the second supporting plate (117) jointly separate the first cavity (120) into the first area (121) and the second area (122).
6. Fresh air device according to claim 5, characterized in that the fresh air filter (150) and the purification filter (160) are inclined to each other, the space between the fresh air filter (150) and the purification filter (160) being gradually contracted in a direction away from the fresh air port (123).
7. Fresh air device according to claim 5, characterized in that the fresh air filter (150) is arranged obliquely with respect to the partition (112), the projection of the fresh air filter (150) onto the partition (112) in the first direction covering at least 80% of the air intake (113).
8. The fresh air device according to claim 5, wherein the first support plate (116) and the second support plate (117) are in sliding fit with the fresh air filter element (150), and a first mounting opening is formed in the housing (110) and is used for allowing the fresh air filter element (150) to be drawn out of the first cavity (120) or loaded into the first cavity (120).
9. The fresh air device according to claim 5, wherein a third support plate (118) is further disposed in the first region (121), 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 purifying filter (160) are respectively connected with the first support plate (116) and the third support plate (118).
10. Fresh air device according to claim 9, characterized in that the first support plate (116) and the third support plate (118) are both in sliding fit with the purification filter (160), and that the housing (110) is provided with a second mounting opening for the extraction of the purification filter (160) from the first chamber (120) or for the insertion into the first chamber (120).
11. The fresh air device of claim 9, wherein a projection of the fresh air filter (150) onto the baffle (112) along the first direction completely covers a projection of the purge filter (160) onto the baffle (112) along the first direction.
12. The fresh air device according to any one of claims 1 to 11, wherein the fresh air device (100) comprises a rotary damper that is rotatable to selectively open or close the fresh air port (123).
13. Fresh air device according to any one of claims 1 to 11, characterized in that a sliding door (126) is provided on the housing (110), the sliding door (126) being slidable to selectively open or close the purge port (124).
14. 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 13; the first cavity (120), the second cavity (130) and the air conditioner main body (200) are sequentially arranged in the length direction of the air conditioner.
CN202210911236.5A 2022-07-29 2022-07-29 Fresh air device and air conditioner Pending CN117515708A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210911236.5A CN117515708A (en) 2022-07-29 2022-07-29 Fresh air device and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210911236.5A CN117515708A (en) 2022-07-29 2022-07-29 Fresh air device and air conditioner

Publications (1)

Publication Number Publication Date
CN117515708A true CN117515708A (en) 2024-02-06

Family

ID=89759358

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210911236.5A Pending CN117515708A (en) 2022-07-29 2022-07-29 Fresh air device and air conditioner

Country Status (1)

Country Link
CN (1) CN117515708A (en)

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