CN113899020A - Machine in new trend fan and air conditioning - Google Patents
Machine in new trend fan and air conditioning Download PDFInfo
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- CN113899020A CN113899020A CN202111221882.0A CN202111221882A CN113899020A CN 113899020 A CN113899020 A CN 113899020A CN 202111221882 A CN202111221882 A CN 202111221882A CN 113899020 A CN113899020 A CN 113899020A
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- fresh air
- air
- fresh
- indoor unit
- air outlet
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- 238000004378 air conditioning Methods 0.000 title claims description 27
- 238000007599 discharging Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 70
- 238000000746 purification Methods 0.000 claims description 23
- 238000003756 stirring Methods 0.000 claims description 9
- 239000003595 mist Substances 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000000889 atomisation Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 12
- 238000001816 cooling Methods 0.000 abstract description 5
- 238000005057 refrigeration Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010926 purge Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009692 water atomization Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
- F24F1/0038—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room in combination with simultaneous exhaustion of inside air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
- F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0087—Indoor units, e.g. fan coil units with humidification means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- 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
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The invention provides a fresh air fan and an indoor unit of an air conditioner, wherein the fresh air fan is arranged inside a shell of the indoor unit of the air conditioner and comprises a shell, the shell is limited with a containing space and is provided with a fresh air inlet for sucking fresh air flow and a plurality of fresh air outlets for discharging the fresh air flow, and at least one fresh air outlet is provided with a humidifying device so that the air flow flowing out of the fresh air outlet takes away moisture from the humidifying device. The invention strengthens the fresh air force of the indoor unit of the air conditioner. The fresh air fan is provided with a plurality of fresh air outlets, and the fresh air outlets simultaneously discharge air, so that the discharge of the fresh air fan is smoother, the wind power is stronger, the fresh air quantity of the indoor unit of the air conditioner is larger, and the update speed of indoor air is accelerated. The humidifying device can at least supply moisture to the room while heating, and prevent the moisture in the room from seriously losing along with the rise of temperature and the room air from becoming drier. Of course, moisture may be supplied to the room simultaneously with cooling.
Description
Technical Field
The invention relates to the technical field of air conditioning, in particular to a fresh air fan and an air conditioner indoor unit.
Background
Some existing air conditioners have a fresh air function. Namely, the outdoor fresh air is introduced into the indoor unit of the air conditioner by utilizing the pipeline, and then the fresh air flow is blown to the indoor space under the action of the fan, so that the indoor air is kept fresh and comfortable, and the comfortable experience of a user is improved. The new trend function of current air conditioner is mostly single export, and the air-out direction is single. Specifically, the conventional air conditioner adopts a single-outlet fresh air fan at one end of the air conditioner, and the air inlet adopts a hose leading to the outside to introduce fresh air. The indoor outlet of the fresh air fan is directly blown into the room to be mixed with the indoor air. Because the frivolous demand of air conditioner for the volume restriction of indoor set can't increase the new trend amount of wind through the mode of increase new trend fan size, leads to the air conditioner new trend amount of wind not enough, can't provide better user experience. That is to say, the traditional air conditioner has a unique fresh air outlet, cannot reach larger air volume under the condition of limited volume, has insufficient fresh air volume and slow fresh air updating speed. In order to increase the air quantity, the rotating speed of the fan needs to be increased, so that the rotating speed of the fan is high, the power consumption is high, and the noise is high; and the fresh air inlet has a unique outlet and large air outlet resistance, so that large air volume air supply can not be realized. In addition, the fresh air module of the existing air conditioner usually only has a fresh air function, namely, outdoor air is mechanically guided into a room, so that the purpose of increasing the oxygen content of the indoor air is achieved, however, when the air conditioner enters a heating mode, the moisture of the indoor air is seriously lost along with the temperature rise, and the indoor air is increasingly dry.
Disclosure of Invention
The object of the present invention is to provide a new air blower and an indoor unit of an air conditioner that overcome or at least partially solve the above-mentioned problems, so as to accelerate the update speed of new air.
It is a further object of the present invention to prevent the indoor air from becoming drier.
In one aspect, the invention provides a fresh air fan which is arranged inside a casing of an indoor unit of an air conditioner, wherein the fresh air fan comprises a casing, the casing defines an accommodating space and is provided with a fresh air inlet for sucking fresh air flow and a plurality of fresh air outlets for discharging the fresh air flow, and at least one of the fresh air outlets is provided with a humidifying device so that the air flow flowing out of the fresh air outlet takes away moisture from the humidifying device.
Optionally, the humidifying device comprises a water storage device, and the air flow flowing out of the corresponding fresh air outlet takes away moisture when passing through the water storage device.
Optionally, the water storage device is an accommodating cavity, and the airflow flowing out of the corresponding fresh air outlet passes through the water surface of the water in the accommodating cavity and takes away the water; or the water storage device is an accommodating cavity, a water stirring wheel is arranged in the accommodating cavity, and the water stirring wheel is used for stirring water so that the air flow flowing out of the corresponding fresh air outlet takes away the water from the humidifying device; or,
the water storage device is a water storage carrier, water is adsorbed on the water storage carrier, the water storage carrier is a water absorption curtain, and the water absorption curtain is made of breathable flannelette and gauze which are easy to absorb water.
Optionally, the humidifying device includes a water tank and an ultrasonic atomization module disposed in the water tank, and the water tank has a water mist outlet for conveying water mist to the air flow flowing out of the corresponding fresh air outlet.
Optionally, the housing further defines a return air inlet for drawing in a non-fresh airflow;
the fresh air blower is configured to allow the fresh air inlet and the air return inlet to be opened simultaneously or alternatively.
Optionally, the housing comprises a volute and a purifying shell, which are abutted and communicated with each other in the inner space;
an impeller of the fresh air fan is arranged in the volute, and the volute is provided with a plurality of fresh air outlets; and is
The purification shell is provided with the fresh air inlet and the air return inlet, and a purification module is arranged in the purification shell, so that fresh air sucked from the fresh air inlet flows to the impeller after being purified by the purification module;
the fresh air outlets are located at different circumferential positions of the volute, and the fresh air inlet is formed in the circumferential surface of the purification shell.
Optionally, the fresh air inlet and the return air inlet are adjacent; and the new trend fan still includes:
the rotating baffle is rotatably arranged between the fresh air inlet and the air return opening so as to rotate to a position for closing the fresh air inlet and open the air return opening; or the fresh air inlet is rotated to a position for closing the air return inlet so as to open the fresh air inlet; and
a motor configured to controllably drive the rotary blind to rotate.
On the other hand, the invention also provides an air-conditioning indoor unit, which comprises a shell and the fresh air fan as described in any one of the above items;
the new trend fan sets up in the casing, the new trend import communicates outdoor space in order to introduce new trend air current through the pipeline, a plurality of new trend exports are used for arranging new trend air current to casing inner space and/or indoor space.
Optionally, the indoor unit of the air conditioner is a wall-mounted indoor unit of the air conditioner, and the casing extends in a horizontal transverse direction;
the air conditioner indoor unit further comprises an air guide rod which is fixedly arranged below the casing and is in a hollow rod shape extending along the length direction of the casing, an air guide cavity is formed in the air guide rod, and the air guide rod is provided with a strip-shaped fresh air outlet extending along the length direction of the air guide rod;
one fresh air outlet of the fresh air fan is connected with one end of the air guide rod, so that part of fresh air flow enters the air guide cavity and then is blown to the indoor space through the fresh air outlet.
Optionally, the indoor unit of the air conditioner is a wall-mounted indoor unit of the air conditioner, and the casing extends in a horizontal transverse direction;
the bottom of the shell is provided with a first fresh air outlet, the upper part of the front surface is provided with a second fresh air outlet, the upper surface is provided with a third fresh air outlet, and the number of the fresh air outlets of the fresh air fan is three, and the three fresh air outlets are respectively connected with the first fresh air outlet, the second fresh air outlet and the third fresh air outlet;
the fresh air fan is arranged at one end of the length direction in the shell.
In the fresh air fan and the indoor unit of the air conditioner, the fresh air fan is provided with the plurality of fresh air outlets, and the plurality of fresh air outlets simultaneously discharge air, so that the discharge of the fresh air fan is smoother, the wind power is stronger, the fresh air volume of the indoor unit of the air conditioner is larger, and the update speed of indoor air is accelerated. And the fresh air outlet is increased, and the air outlet resistance is also reduced. And under the same amount of wind, the rotating speed of the fresh air fan is reduced by increasing the fresh air outlet, so that the power consumption and the noise of the fresh air fan are lower.
Furthermore, the fresh air fan and the indoor unit of the air conditioner at least can supply moisture to the room while heating due to the humidifying device, so that the moisture of the indoor air is prevented from seriously losing along with the rise of the temperature, and the indoor air is prevented from being dried more and more. Of course, moisture may be supplied to the room simultaneously with cooling.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic structural diagram of a fresh air blower according to one embodiment of the present invention;
FIG. 2 is a schematic exploded view of a partial structure of the fresh air blower of FIG. 1;
FIG. 3 is a schematic block diagram of a humidifier in the fresh air blower of FIG. 1;
FIG. 4 is a schematic view of the purification enclosure of FIG. 1 in a state in which the rotating flap opens the fresh air inlet;
FIG. 5 is a schematic view of the purification housing of FIG. 1 in a state where the rotary shutter opens the return air opening;
fig. 6 is a schematic structural view of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 7 is a schematic view of the indoor unit of the air conditioner shown in fig. 6 with a cabinet portion area cut away.
FIG. 8 is an assembled view of the fresh air fan and air guide rod of FIG. 6;
FIG. 9 is an exploded schematic view of FIG. 8;
fig. 10 is a partial structural view of an air conditioning indoor unit according to an embodiment of the present invention;
fig. 11 is a schematic cross-sectional view of the air conditioning indoor unit shown in fig. 10.
Detailed Description
A fresh air blower and an air conditioning indoor unit according to an embodiment of the present invention will be described with reference to fig. 1 to 11. Where the orientations or positional relationships indicated by the terms "front," "back," "upper," "lower," "top," "bottom," "inner," "outer," "lateral," and the like are based on the orientations or positional relationships shown in the drawings, the description is for convenience only and to simplify the description, and no indication or suggestion is made that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first," "second," etc. may explicitly or implicitly include at least one such feature, i.e., one or more such features. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. When a feature "comprises or comprises" a or some of its intended features, this indicates that other features are not excluded and that other features may be further included, unless expressly stated otherwise.
The embodiment of the invention provides a fresh air fan which is used for being installed inside an indoor unit of an air conditioner. The indoor unit of the air conditioner is used for conditioning indoor air, such as cooling, heating, dehumidifying, introducing fresh air, and the like. The fresh air fan is used for introducing outdoor fresh air flow into the air-conditioning indoor unit, the fresh air flow is blown to the indoor space through the air-conditioning indoor unit, the air of the indoor space is updated, the air of the indoor space is kept fresh, and the human health is facilitated.
The indoor unit of the air conditioner may be an indoor part of a split-type room air conditioner that performs cooling/heating using a vapor compression refrigeration cycle system. An evaporator and a heat exchange fan are arranged in the indoor unit of the air conditioner. The evaporator, the heat exchange fan throttling device and a compressor, a condenser and other refrigeration elements arranged in an air conditioner outdoor shell are connected through pipelines to form a vapor compression refrigeration cycle system. Under the action of the heat exchange fan, indoor air enters the interior of the shell of the indoor unit of the air conditioner, forms heat exchange air after being subjected to forced convection heat exchange with the evaporator, then blows the heat exchange air to the heat exchange air outlet of the shell, and finally blows the heat exchange air to the indoor space, so that the air conditioning process of the indoor space is completed. The indoor unit of the air conditioner can be in the forms of wall-mounted type, floor type, ceiling type, window type and the like, and the invention is not limited to the indoor unit.
FIG. 1 is a schematic structural view of a fresh air blower 20 according to one embodiment of the present invention; fig. 2 is a schematic exploded view of a partial structure of the fresh air blower 20 of fig. 1.
As shown in fig. 1 and 2, a fresh air blower 20 of an embodiment of the present invention may generally include a housing 100. The casing 100 defines an accommodation space for accommodating various components inside the fresh air blower 20, such as an impeller 300 and the like. The housing 100 is further provided with a fresh air inlet 110 for sucking fresh air flow and a plurality of fresh air outlets for discharging fresh air flow. For example, as shown in fig. 1-2, two fresh air outlets, such as fresh air outlet 120 and fresh air outlet 130, may be provided. The fresh air inlet 110 can be communicated with the outdoor space through a preset pipeline (fresh air pipe 40). In some embodiments, three fresh air outlets, four fresh air outlets, etc. may be provided. The fresh air outlet can directly discharge fresh air flow into the interior of the shell 10 of the indoor air-conditioning unit (mixed with heat exchange air flow or not), so that the fresh air flow is discharged into an indoor space through the shell 10 of the indoor air-conditioning unit. Or the fresh air outlet can be directly extended to the indoor space so as to directly discharge fresh air to the indoor space.
In the embodiment of the invention, in the fresh air fan 20 and the indoor unit of the air conditioner, the fresh air fan 20 is provided with a plurality of fresh air outlets, and the fresh air outlets simultaneously discharge air, so that the discharge air of the fresh air fan 20 is smoother, the wind power is stronger, the fresh air volume of the indoor unit of the air conditioner is larger, and the indoor air updating speed is accelerated. Moreover, the number of the fresh air outlets is increased, and the air outlet resistance of the fresh air flow is also reduced. Under the same air quantity, the rotating speed of the fresh air fan 20 is reduced by increasing the fresh air outlet, so that the power consumption and the noise are lower.
In particular, as shown in fig. 1, at least one fresh air outlet is provided with a humidifying device 210 so that the air flow exiting the fresh air outlet carries away moisture from the humidifying device 210. For example, a humidifying device 210 is disposed at the fresh air outlet 130. The heating device may be disposed in the corresponding fresh air outlet, as shown in fig. 1. In some alternative embodiments, the heating device may be disposed outside the corresponding fresh air outlet, for example outside the housing 100.
In some embodiments of the present invention, the humidifying device 210 includes a water storage device, and the air flow flowing out of the corresponding fresh air outlet 130 takes away moisture when passing through the water storage device. For example, the water storage device is a containing cavity, and the airflow flowing out of the corresponding fresh air outlet passes through the water surface of the water in the containing cavity and takes away the water. For example, the water storage device is a containing cavity, a water stirring wheel is arranged in the containing cavity, and the water stirring wheel stirs water, so that the air flow flowing out of the corresponding fresh air outlet takes away the moisture from the humidifying device 210. For example, the water storage device is a water storage carrier, water is adsorbed on the water storage carrier, and the water storage carrier is a water absorption curtain. The water-absorbing curtain is made of breathable flannelette and gauze which are easy to absorb water.
FIG. 3 is a schematic block diagram of the humidifier 210 in the fresh air blower 20 of FIG. 1; in other embodiments of the present invention, as shown in fig. 3, the humidifying device 210 comprises a water tank 211, a control panel, and an ultrasonic atomization module 214 disposed in the water tank 211, wherein the water tank 211 has a water injection port 212 and a water mist outlet 215 for delivering water mist into the air flow flowing out of the corresponding fresh air outlet. When the air conditioning indoor unit starts a heating mode and selects a humidification function, the humidification device 210 is automatically turned on, and operates synchronously with the fresh air fan 20, so that the fresh air drives the water mist to flow into the indoor space in a mixed mode, and the indoor air humidity is increased. The ultrasonic atomization module 214 may include a transducer device. Humidification device 210 adopts ultrasonic oscillation humidification principle, utilizes transducer's self piezoelectric effect, and control panel passes through the excitation of oscillating circuit to transducer for vibrate the piece and produce ultrasonic frequency mechanical vibration, then conduct the aquatic through the vibration of vibrating the piece, make liquid water atomization, realize the humidification function.
In some embodiments of the present invention, the housing 100 includes a volute 101 and a cleaning shell 102, which are abutted and communicate with each other in the inner space, as shown in fig. 1. An impeller 300 of the fresh air fan 20 is arranged in the volute 101, and a plurality of fresh air outlets are formed in the volute 101. The purifying shell 102 is provided with a fresh air inlet 110, and a purifying module 200 is arranged in the fresh air inlet 110, so that fresh air sucked from the fresh air inlet 110 can flow to the impeller 300 after passing through the purifying module 200 and being purified by the same. The purification module 200 may be a filtration module to filter out harmful impurities in the fresh air stream. The purification module 200 may also have other processing functions to further process the fresh air stream to make it more fresh and healthy.
As shown in fig. 1 and 2, the volute 101 and the purifying casing 102 can be flat and connected in parallel with each other in the thickness direction, and the two can be fastened by screws. The plurality of fresh air outlets are located at different circumferential positions of volute 101 so as to exhaust air in different directions. The fresh air inlet 110 is arranged on the circumferential surface of the purifying shell 102, so that the structural layout of the fresh air fan 20 is more reasonable and compact, and the whole fresh air fan 20 occupies smaller space.
The impeller 300 may be a centrifugal impeller, and one end of the thickness direction (x-axis direction) of the scroll casing 101 facing the purification casing 102 is provided with a suction port 1012. The side of the purification case 102 facing the scroll 101 is opened so as to cover the scroll 101, and the edges are sealed and connected, and the inner space is communicated. The decontamination module 200 is enclosed by the decontamination housing 102. Under the rotation of the impeller 300, the fresh air flow enters the cleaning housing 102 from the fresh air inlet 110 of the cleaning housing 102, flows through the cleaning module 200 to be cleaned, and then enters the volute 101 from the suction port 1012. Under the action of the impeller 300, the purified air flow is radially thrown out along the impeller 300 and then discharged out of the volute 101 through a plurality of fresh air outlets. Of course, the impeller 300 may be an axial-flow impeller or other type of impeller, and detailed description thereof is omitted here.
A receptacle 140 is open on the front side of the purge shell 102 to allow the purge module 200 to be inserted into the purge shell 102 through the receptacle 140. Therefore, the user can conveniently clean and replace the purification module 200 by detaching the front panel of the casing 10 of the indoor unit of the air conditioner, and the operation is very convenient.
In some embodiments of the present invention, as shown in fig. 1 and 2, the peripheral surface of the purification shell 102 is provided with a socket 140 to allow the purification module 200 to be inserted into the purification shell 102 through the socket 140 to facilitate installation, cleaning and replacement of the purification module 200.
FIG. 4 is a schematic view of the purification case 102 of FIG. 1 in a state where the fresh air inlet 110 is opened by rotating the shutter 190; fig. 5 is a schematic view of the purification case 102 of fig. 1 in a state where the rotary damper 190 opens the return air opening 150.
In some embodiments of the present invention, as shown in fig. 1, 4 and 5, the housing 100 further defines a return air opening 150 for drawing in a non-fresh air stream, which may be particularly routed to the purge shell 102. In one embodiment, as shown in fig. 1, 4 and 5, the air return opening 150 is located at the bottom of the casing 100 and is open downward to draw the heat exchange air flow inside the casing 10. In another solution, not shown, the air return opening may be directed to the heat exchanging air inlet 11 of the casing 10 to suck the room air without heat exchange.
The fresh air blower 20 is configured to allow the fresh air inlet 110 and the return air inlet 150 to be opened simultaneously or alternatively. Specifically, for example, in the embodiment shown in fig. 4 and 5, the fresh air inlet 110 and the return air inlet 150 can be alternatively opened, that is, one is opened, and the other is closed. Thus, when the air conditioning indoor unit operates in the fresh air mode, the fresh air inlet 110 is opened, the return air inlet 150 is closed, and all air entering the fresh air fan 20 is fresh air. When there is no fresh air demand indoors, the fresh air inlet 110 is closed, and the return air inlet 150 is opened, so that the fresh air fan 20 undertakes the blowing work of the heat exchange air flow, and the indoor cooling/heating speed is accelerated.
In another scheme, not shown, the fresh air inlet 110 and the return air inlet 150 can also be opened simultaneously, so that the fresh air flow and the heat exchange air flow are mixed in the fresh air blower 20 and then blown out. The mixing process of the fresh air and other air flows is completed in advance, and the updating speed of the indoor air is accelerated.
In a word, the setting of return air inlet 150 has greatly enriched the function of new trend fan 20, and the design is very ingenious.
As shown in fig. 4 and 5, in some embodiments of the invention, the fresh air inlet 110 and the return air inlet 150 are adjacent. The fresh air blower 20 further includes a rotary damper 190 and a motor 180. The rotating baffle 190 is rotatably installed between the fresh air inlet 110 and the air return opening 150 to rotate to a position for closing the fresh air inlet 110 to open the air return opening 150, as shown in fig. 4; or to a position closing the return air opening 150 to open the fresh air inlet 110, as shown in fig. 5. The motor 180 is configured to controllably drive the rotation of the rotating shutter 190. Of course, when the rotary damper 190 is rotated to the intermediate state of fig. 3 and 4, both the fresh air inlet 110 and the return air inlet 150 are opened. This embodiment can control the fresh air inlet 110 and the return air inlet 150 only by providing one rotary baffle 190 and one motor 180, and the structure is very simple and practical.
The embodiment of the invention also provides an air conditioner indoor unit. The air conditioning indoor unit may generally include a cabinet 10 and a fresh air blower 20. The fresh air fan 20 may be the fresh air fan 20 of any of the above embodiments. The fresh air fan 20 is disposed inside the cabinet 10. The fresh air inlet 110 is connected to the outdoor space, and the fresh air outlets are used for discharging the fresh air flow to the inner space and/or the indoor space of the casing 10. That is, the fresh air outlet can discharge the fresh air flow to the inside of the casing 10, and then discharge the fresh air flow to the indoor space through the opening of the casing 10. Or the fresh air outlet can directly discharge the air suction outlet to the indoor space. Or both.
The structural form of the indoor unit of the air conditioner is not limited in the embodiment of the invention, and the indoor unit of the air conditioner can be matched with the fresh air fan 20 in the embodiment of the invention no matter the indoor unit of the air conditioner is a wall-mounted indoor unit of the air conditioner, a floor type indoor unit of the air conditioner, a ceiling type indoor unit of the air conditioner or other various types.
Fig. 6 is a schematic structural view of an indoor unit of an air conditioner according to an embodiment of the present invention; fig. 7 is a schematic view of the indoor unit of the air conditioner shown in fig. 6, with a partial area of the casing 10 cut away.
In the embodiment shown in fig. 6 and 7, the air-conditioning indoor unit is a wall-mounted air-conditioning indoor unit, and the casing 10 is elongated in a horizontal direction (x-axis direction) in the longitudinal direction. The top of the casing 10, as on the upper surface, is provided with a heat exchange air inlet 11 for sucking indoor air, and the bottom is provided with a heat exchange air outlet 12 for discharging heat exchange air flow. The heat exchanging air inlet 11 and the heat exchanging air outlet 12 can be both strip-shaped with the length direction parallel to the length direction of the casing 10. Under the action of a heat exchange fan (not shown), indoor air enters the casing 10 through the heat exchange air inlet 11, then exchanges heat with an evaporator (not shown) to form heat exchange air flow (cold air in the case of refrigeration and hot air in the case of heating), and finally the heat exchange air flows through the heat exchange air outlet 12 and is discharged to the indoor space, so that the refrigeration or heating of the indoor space is completed. The heat exchanging outlet 12 may be provided with an air guiding plate 50 to guide the air outlet direction.
As shown in fig. 6 and 7, for the wall-mounted air conditioning indoor unit, the bottom of the casing 10 is provided with a first fresh air outlet, the upper surface is provided with a third fresh air outlet 13, and the number of the fresh air outlets of the fresh air blower 20 is two, and the two fresh air outlets are respectively connected to the first fresh air outlet and the third fresh air outlet 13. As shown in fig. 10 and 11, the bottom of the casing may be provided with a first fresh air outlet 18, the upper portion of the front surface is provided with a second fresh air outlet 19, and the number of the fresh air outlets of the fresh air blower 20 is two, and the two fresh air outlets are respectively connected to the first fresh air outlet 18 and the second fresh air outlet 19. Specifically, the fresh air outlet 120 is communicated with the second fresh air outlet 19, and the fresh air outlet 130 is communicated with the first fresh air outlet 18. In some optional embodiments of the present invention, the bottom of the casing is provided with a first fresh air outlet, the upper portion of the front surface is provided with a second fresh air outlet 19, the upper surface is provided with a third fresh air outlet 13, and the number of the fresh air outlets of the fresh air blower 20 is three, and the three fresh air outlets are respectively connected to the first fresh air outlet, the second fresh air outlet 19 and the third fresh air outlet 13.
FIG. 8 is an assembled view of the fresh air fan 20 and the air guide rod 30 of FIG. 6; fig. 9 is an exploded schematic view of fig. 8. For better wind guiding, as shown in fig. 6 to 9, in some embodiments of the present invention, a wind guide rod 30 may be further included in the wall-mounted air conditioning indoor unit. The air guide rod 30 is fixedly disposed below the casing 10, is in the shape of a hollow rod extending along the length direction of the casing 10, and has an air guide cavity formed therein. The air guide rod 30 is provided with a long strip-shaped fresh air outlet 31 extending along the length direction of the air guide rod. A fresh air outlet 130 of the fresh air blower 20 is open downward and connected to one end of the air guide rod 30, so that part of the fresh air flow enters the air guide cavity and then is blown to the indoor space through the fresh air outlet 31. Or, the first fresh air outlet is connected to one end of the air guide rod 30. As shown in fig. 9, two ends of the wind guide rod 30 may be bent upward to be connected to the casing 10. The bent part (left end in the figure) at one end of the air guide rod 30 is an opening 32 of the air guide cavity, the opening 32 is connected with the fresh air outlet 130, and the bent part at the end is in threaded connection or clamping connection with the casing 10 through a connecting rod 35 on the outer wall of the bent part to realize fixation. The bent part at the other end is also provided with a connecting rod 35, but the inside of the bent part is provided with a blocking wall to block the air guide cavity and prevent heat exchange air flow from entering the air guide cavity. Further, the width of the fresh air outlet 31 can be smaller than that of the air guide cavity, so that fresh air flow is blown out of the fresh air outlet 31 at an accelerated speed, and the blowing distance is farther.
The embodiment of the invention enables the flow velocity of the fresh air flow to be faster, has an own air outlet channel, and avoids the trouble of opening the heat exchange air outlet 12 of the air conditioner when the indoor unit of the air conditioner only operates in a fresh air mode and does not need refrigeration/heating.
Can make heat transfer air outlet 12 be located fresh air outlet 31 top to with its parallel arrangement, with the guide effect through aviation baffle 50, make the heat transfer air current can with the fresh air current in the place ahead of casing 10 mix that intersects, strengthened the mixed effect between them. As shown in fig. 6 to 9, the fresh air fan 20 may be disposed at one end (i.e., the left end or the right end) of the length direction inside the casing 10, and the volute 101 and the purifying casing 102 are both flat and have a thickness direction extending along the length direction of the casing 10, so as to occupy a smaller space.
The fresh air inlet 110 is connected with a fresh air duct 40, and the fresh air duct 40 passes through the cabinet 10 to extend to an outdoor space to introduce a fresh air flow. The third fresh air outlet 13 is located on the left side or the right side of the heat exchange air inlet 11, so that the normal layout of the heat exchange air inlet 11 is not affected.
Fig. 10 is a partial structural view of an air conditioning indoor unit according to an embodiment of the present invention; fig. 11 is a schematic cross-sectional view of the air conditioning indoor unit shown in fig. 10. In some embodiments of the present invention, the first fresh air outlet 18 and the heat exchange outlet 12 are arranged in sequence along a horizontal transverse direction. That is, the first fresh air outlet 18 is disposed outside one end of the heat exchanging air outlet 12. The arrangement makes the air supply of the first fresh air outlet 18 and the air supply of the heat exchange air outlet 12 more similar, even more consistent, and the fresh air can be supplied for a longer distance and more easily reach the position of the human body. Optionally, the new air outlet of the first new air outlet 18 can be more diverged by the arrangement of the structure, is easily attracted by the heat exchange air outlet of the air conditioner, is better mixed with the heat exchange air outlet of the air conditioner, and supplies air along with the heat exchange air outlet of the air conditioner, so that the air supply distance is farther, and the circulation speed is faster.
In some embodiments, the heat exchanging air outlet 12 may be opened at the bottom of the front side of the casing and extend along the horizontal direction. When the air deflector 50 is in the closed state, the heat exchange air outlet 12 and the first fresh air outlet 18 are covered. The air deflector 50 can guide the fresh air outlet of the first fresh air outlet 18, so that the fresh air can easily flow along with the heat exchange outlet air or be mixed with the heat exchange fresh air. The shielding effect of the air deflector 50 can also make the air conditioner indoor unit more beautiful.
For example, the housing includes a shell, a frame, an air inlet grille, two end caps and a front panel. The housing is installed in the skeleton, and evaporimeter and fan are installed between housing and skeleton, and the air inlet grid sets up in the upper end of housing and skeleton, and the front panel is installed in the front side of housing, and two end covers are installed in the both ends of housing, skeleton, air inlet grid and front panel. Further, the housing has two false air duct portions 16 arranged at intervals in the horizontal transverse direction; the heat exchange air outlet 12 is disposed on the housing, and the heat exchange air outlet 12 is located between the two false air duct portions 16. That is, the heat exchanging air outlet 12 is opened on the housing, and the structure of the two lateral sides of the heat exchanging air outlet 12 can be referred to as a false air duct portion 16. The first fresh air outlet 18 is arranged on a false air duct, so that the structure of the air-conditioning indoor unit is compact, the design is convenient, the structure of the existing air-conditioning indoor unit can be fully utilized, the cost is reduced, and the like.
In this embodiment, the second fresh air outlet 19 is disposed at an upper corner of the second fresh air outlet 19 adjacent to the lateral end surface of the housing, so that the height of the second fresh air outlet is higher, and the air supply distance is longer after the fresh air flows out. The front surface of the casing generally refers to the front surface of the front panel, and correspondingly, the inner side of the second fresh air outlet 19 is provided with an installation communication hole 17. The third fresh air outlet 13 may be disposed between the heat exchange air inlet and the transverse end surface of the casing. The third fresh air outlet 13 is located at one lateral side of the heat exchange air inlet, such as the left side in the figure, so as to reduce the influence of the third fresh air outlet on the normal layout of the heat exchange air inlet, the heat exchange air outlet 12, the evaporator and the heat exchange fan.
In some embodiments of the present invention, the first fresh air outlet 18 is formed by arranging and combining a plurality of micro-holes, so that the fresh air can be dispersed. In other embodiments, the first fresh air outlet 18 is provided with horizontal ribs and/or vertical ribs to divide the first fresh air outlet into a plurality of outlet areas, so as to realize remote air supply. In some alternative embodiments, the first fresh air outlet is a larger aperture without any structure disposed therein. Similarly, the second fresh air outlet 19 is formed by arranging and combining a plurality of micropores, or a horizontal rib and/or a vertical rib are/is arranged in the second fresh air outlet 19, so as to divide the second fresh air outlet into a plurality of air outlet areas. Each structure of the first fresh air outlet 18 and each structure of the second fresh air outlet 19 can be used in cooperation with each other, and the structural functions can be different. Preferably, each structure of the first fresh air outlet 18 and each structure of the second fresh air outlet 19 have the same function, and are formed by arranging and combining micropores, or separating ribs are arranged inside. The arrangement and combination of the plurality of micropores can also make the casing more beautiful, and avoid the influence on the appearance of the casing caused by the arrangement of a larger opening.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A fresh air fan is used for being installed inside a shell of an indoor unit of an air conditioner and is characterized in that,
the fresh air fan comprises an outer shell, wherein the outer shell is limited with a containing space and is provided with a fresh air inlet used for sucking fresh air flow and a plurality of fresh air outlets used for discharging the fresh air flow, and at least one of the fresh air outlets is provided with a humidifying device so that the air flow flowing out of the fresh air outlet takes away the moisture from the humidifying device.
2. The fresh air blower of claim 1 wherein,
the humidifying device comprises a water storage device, and the air flow which flows out of the corresponding fresh air outlet takes away the moisture when passing through the water storage device.
3. The fresh air blower of claim 2 wherein,
the water storage device is an accommodating cavity, and the air flow flowing out of the corresponding fresh air outlet passes through the water surface of water in the accommodating cavity and takes away water; or the water storage device is an accommodating cavity, a water stirring wheel is arranged in the accommodating cavity, and the water stirring wheel is used for stirring water so that the air flow flowing out of the corresponding fresh air outlet takes away the water from the humidifying device; or,
the water storage device is a water storage carrier, water is adsorbed on the water storage carrier, and the water storage carrier is a water absorption curtain.
4. The fresh air blower of claim 1 wherein,
the humidifying device comprises a water tank and an ultrasonic atomization module arranged in the water tank, and the water tank is provided with a water mist outlet used for conveying water mist to the air flow flowing out of the corresponding fresh air outlet.
5. The fresh air blower of claim 1 wherein,
the housing further defines a return air inlet for drawing in a non-fresh air stream;
the fresh air blower is configured to allow the fresh air inlet and the air return inlet to be opened simultaneously or alternatively.
6. The fresh air blower of claim 5 wherein,
the fresh air inlet is adjacent to the air return inlet; and the new trend fan still includes:
the rotating baffle is rotatably arranged between the fresh air inlet and the air return opening so as to rotate to a position for closing the fresh air inlet and open the air return opening; or the fresh air inlet is rotated to a position for closing the air return inlet so as to open the fresh air inlet; and
a motor configured to controllably drive the rotary blind to rotate.
7. The fresh air blower of claim 5 wherein,
the shell comprises a volute and a purifying shell which are connected in an attached mode, and the inner space of the volute is communicated;
an impeller of the fresh air fan is arranged in the volute, and the volute is provided with a plurality of fresh air outlets; and is
The purification shell is provided with the fresh air inlet and the air return inlet, and a purification module is arranged in the purification shell, so that fresh air sucked from the fresh air inlet flows to the impeller after being purified by the purification module;
the fresh air outlets are located at different circumferential positions of the volute, and the fresh air inlet is formed in the circumferential surface of the purification shell.
8. An indoor unit of an air conditioner, characterized by comprising a casing and the fresh air blower as claimed in any one of claims 1 to 7;
the new trend fan sets up in the casing, the new trend import communicates outdoor space in order to introduce new trend air current through the pipeline, a plurality of new trend exports are used for arranging new trend air current to casing inner space and/or indoor space.
9. An indoor unit of an air conditioner according to claim 8,
the air-conditioning indoor unit is a wall-mounted air-conditioning indoor unit, and the shell extends along the horizontal transverse direction;
the air conditioner indoor unit further comprises an air guide rod which is fixedly arranged below the casing and is in a hollow rod shape extending along the length direction of the casing, an air guide cavity is formed in the air guide rod, and the air guide rod is provided with a strip-shaped fresh air outlet extending along the length direction of the air guide rod;
one fresh air outlet of the fresh air fan is connected with one end of the air guide rod, so that part of fresh air flow enters the air guide cavity and then is blown to the indoor space through the fresh air outlet.
10. An indoor unit of an air conditioner according to claim 8,
the air-conditioning indoor unit is a wall-mounted air-conditioning indoor unit, and the shell extends along the horizontal transverse direction;
the bottom of the machine shell is provided with a first fresh air outlet, and/or the upper part of the front surface of the machine shell is provided with a second fresh air outlet, and/or the upper surface of the machine shell is provided with a third fresh air outlet, and the number of the fresh air outlets of the fresh air fan is three, and the three fresh air outlets are respectively connected with the first fresh air outlet, the second fresh air outlet and the third fresh air outlet;
the fresh air fan is arranged at one end of the length direction in the shell.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111221882.0A CN113899020A (en) | 2021-10-20 | 2021-10-20 | Machine in new trend fan and air conditioning |
| PCT/CN2022/098942 WO2023065693A1 (en) | 2021-10-20 | 2022-06-15 | Fresh air fan and air-conditioner indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111221882.0A CN113899020A (en) | 2021-10-20 | 2021-10-20 | Machine in new trend fan and air conditioning |
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| Publication Number | Publication Date |
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| CN113899020A true CN113899020A (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111221882.0A Pending CN113899020A (en) | 2021-10-20 | 2021-10-20 | Machine in new trend fan and air conditioning |
Country Status (2)
| Country | Link |
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| CN (1) | CN113899020A (en) |
| WO (1) | WO2023065693A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719341A (en) * | 2022-03-23 | 2022-07-08 | 青岛海尔空调器有限总公司 | Fresh air conditioner and control method thereof |
| WO2023065693A1 (en) * | 2021-10-20 | 2023-04-27 | 青岛海尔空调器有限总公司 | Fresh air fan and air-conditioner indoor unit |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4337402B2 (en) * | 2003-05-27 | 2009-09-30 | 三菱電機株式会社 | Air conditioner, operation method of air conditioner |
| CN208536143U (en) * | 2018-07-11 | 2019-02-22 | 青岛海尔空调器有限总公司 | A kind of fresh air conditioner indoor unit |
| CN211822733U (en) * | 2020-03-17 | 2020-10-30 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and air conditioner |
| CN212057509U (en) * | 2020-04-02 | 2020-12-01 | 广东美的制冷设备有限公司 | Machine and air conditioner in new trend module, air conditioning |
| CN212431089U (en) * | 2020-08-19 | 2021-01-29 | 青岛海尔空调器有限总公司 | Jet device for wall-mounted air conditioner indoor unit and wall-mounted air conditioner indoor unit |
| CN113310113A (en) * | 2021-05-21 | 2021-08-27 | 青岛海尔空调器有限总公司 | Indoor unit of air conditioner |
| CN216744618U (en) * | 2021-10-20 | 2022-06-14 | 青岛海尔空调器有限总公司 | Machine in new trend fan and air conditioning |
| CN113944956A (en) * | 2021-10-20 | 2022-01-18 | 青岛海尔空调器有限总公司 | Indoor unit of air conditioner |
| CN113899020A (en) * | 2021-10-20 | 2022-01-07 | 青岛海尔空调器有限总公司 | Machine in new trend fan and air conditioning |
| CN216744601U (en) * | 2021-10-20 | 2022-06-14 | 青岛海尔空调器有限总公司 | Indoor unit of air conditioner |
-
2021
- 2021-10-20 CN CN202111221882.0A patent/CN113899020A/en active Pending
-
2022
- 2022-06-15 WO PCT/CN2022/098942 patent/WO2023065693A1/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023065693A1 (en) * | 2021-10-20 | 2023-04-27 | 青岛海尔空调器有限总公司 | Fresh air fan and air-conditioner indoor unit |
| CN114719341A (en) * | 2022-03-23 | 2022-07-08 | 青岛海尔空调器有限总公司 | Fresh air conditioner and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023065693A1 (en) | 2023-04-27 |
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