CN111720890A - Machine in new trend device and air conditioning - Google Patents
Machine in new trend device and air conditioning Download PDFInfo
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- CN111720890A CN111720890A CN202010622087.1A CN202010622087A CN111720890A CN 111720890 A CN111720890 A CN 111720890A CN 202010622087 A CN202010622087 A CN 202010622087A CN 111720890 A CN111720890 A CN 111720890A
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- air
- volute
- air inlet
- fresh 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
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
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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
- F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more 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
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
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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
- F24F13/02—Ducting arrangements
- F24F13/04—Air-mixing units
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a fresh air device and an air-conditioning indoor unit, and relates to the technical field of air-conditioning equipment, wherein the fresh air device comprises a first volute, a first air inlet duct, a second volute and a second air inlet duct, the first air inlet duct introduces outdoor fresh air into a first air inlet cavity of the first volute through a first wind wheel, and the second air inlet duct introduces indoor air into a second air inlet cavity of the second volute through a second wind wheel. According to the invention, outdoor fresh air and indoor constant-temperature air are respectively blown out at the first air outlet and the second air outlet simultaneously, so that the temperature difference between the mixed fresh air flow and the indoor air is small, and the comfort of fresh air is improved; meanwhile, the mixed fresh air energy improves the air quantity in unit time, the air supply distance of fresh air is improved, and the large air quantity provides larger air flow disturbance for the indoor environment, so that the temperature distribution of indoor air is more uniform.
Description
Technical Field
The invention relates to the technical field of air conditioning equipment, in particular to a fresh air device and an air conditioner indoor unit.
Background
With the gradual rise of health consciousness of consumers, the indoor unit of the air conditioner with the fresh air function has become a development direction of high-end products. However, in the related art, outdoor air is directly introduced into a room by the fresh air device, the body feeling is poor due to the temperature difference between the indoor air and the outdoor air, and the air entering the room is overcooled or overheated, especially in winter, the outdoor air temperature is low, so that the comfort of the fresh air is poor, and the user experience is affected.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the fresh air device provided by the invention has the advantages that the two air channels for introducing indoor air and outdoor air respectively are arranged, and the air outlets of the two air channels are mixed and blown out, so that the temperature of the mixed fresh air is improved, and the comfort of the fresh air is improved.
The invention also provides an air conditioner indoor unit with the fresh air device.
According to the new trend device of the embodiment of the first aspect of the invention, comprising: the wind power generation device comprises a first volute, a first air inlet channel, a second volute, a second air inlet channel, a first wind wheel and a second wind wheel, wherein a first air inlet cavity is formed inside the first volute, and the first volute is provided with a first air outlet communicated with the first air inlet cavity; the air outlet end of the first air inlet channel is communicated with the first volute, and the air inlet end of the first air inlet channel is used as a fresh air inlet to be communicated with the outside of the room; a second air inlet cavity is formed in the second volute, and the second volute is provided with a second air outlet communicated with the second air inlet cavity; the air outlet end of the second air inlet channel is communicated with the second volute, and the air inlet end of the second air inlet channel is used as an indoor air inlet and is communicated with the indoor space; the second air outlet and the first air outlet are arranged side by side; the first wind wheel is arranged in the first air inlet cavity, and the second wind wheel is arranged in the second air inlet cavity.
The fresh air device provided by the embodiment of the invention at least has the following beneficial effects:
by arranging the first volute, the first air inlet duct, the second volute and the second air inlet duct, outdoor fresh air is introduced into the first air inlet cavity of the first volute through the first wind wheel by the first air inlet duct, indoor air is introduced into the second air inlet cavity of the second volute through the second wind wheel by the second air inlet duct, outdoor fresh air and indoor constant-temperature air are blown out at the first air outlet and the second air outlet respectively, the temperature difference between the mixed fresh air flow and the indoor air is small, and the comfort of the fresh air flow is improved; meanwhile, the mixed fresh air flow can increase the air quantity in unit time, the air supply distance of the fresh air flow is increased, and the large air quantity provides larger air flow disturbance for the indoor environment, so that the temperature distribution of the indoor air is more uniform.
According to some embodiments of the invention, the width of the first outlet is D1, the width of the second outlet is D2, the sum of the widths of the first outlet and the second outlet is D, D1 and D2 satisfy: d1 is more than or equal to 0.6D, and D2 is less than or equal to 0.4D.
According to some embodiments of the invention, the first air outlet narrows towards a side of the second volute.
According to some embodiments of the invention, the second air outlet narrows towards a side of the first volute.
According to some embodiments of the invention, the fresh air device further comprises a motor, and the motor is respectively in driving connection with the first wind wheel and the second wind wheel.
According to some embodiments of the invention, the first volute and the second volute are arranged side by side, a motor mounting position is arranged at a connection position of the first volute and the second volute, the motor is arranged at the motor mounting position, and the first wind wheel and the second wind wheel are respectively located on two sides of the motor along an axial direction.
According to some embodiments of the invention, the first air outlet is located at a front end of the first volute, and the second air outlet is located at a front end of the second volute.
According to some embodiments of the present invention, the fresh air device further includes a purification assembly located in the first air inlet duct to purify the outdoor air entering the first air inlet chamber.
An air conditioner indoor unit according to a second aspect of the embodiment of the present invention includes the fresh air device described in the above embodiments.
The air conditioner indoor unit provided by the embodiment of the invention at least has the following beneficial effects:
the first volute, the first air inlet duct, the second volute and the second air inlet duct are arranged through the fresh air device, outdoor fresh air is introduced into a first air inlet cavity of the first volute through the first wind wheel by the first air inlet duct, indoor air is introduced into a second air inlet cavity of the second volute through the second wind wheel by the second air inlet duct, outdoor fresh air and indoor constant-temperature air are blown out at the first air outlet and the second air outlet respectively, the temperature difference between the mixed fresh air flow and the indoor air is small, and the comfort of the fresh air flow is improved; meanwhile, the mixed fresh air flow can increase the air quantity in unit time, the air supply distance of the fresh air flow is increased, and the large air quantity provides larger air flow disturbance for the indoor environment, so that the temperature distribution of the indoor air is more uniform, and the user experience of the indoor unit of the air conditioner is improved.
According to some embodiments of the invention, the indoor unit of the air conditioner further comprises a heat exchanger assembly, the fresh air device is located at one side of the heat exchanger assembly, and the second volute and the second air inlet duct are arranged towards one side of the heat exchanger assembly.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a fresh air device according to an embodiment of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a cross-sectional view of section A-A of FIG. 2;
fig. 4 is a schematic structural view of an indoor unit of an air conditioner according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of section B-B of FIG. 4;
fig. 6 is a schematic structural view of an indoor unit of an air conditioner according to an embodiment of the present invention, in which a front cover is removed;
FIG. 7 is a diagram showing the distribution of the motor rotation speed and the air volume at the air outlet under three conditions of the fresh air device, the fresh air device in the original scheme and only the second air outlet according to an embodiment of the present invention;
fig. 8 is a bar graph of the effective air supply distance of the fresh air device according to the embodiment of the present invention and the fresh air device according to the original scheme when the motor speed is 2000 rpm.
Reference numerals:
a fresh air device 100; a first volute 110; a first air intake chamber 111; a first air outlet 112; a first air intake passage 120; a first wind wheel 130; a second volute 140; a second air inlet chamber 141; a second air outlet 142; a second air intake passage 150; a second wind wheel 160; a motor 170; a purge component 180;
a heat exchanger assembly 200;
a front cover 300; a grid 310.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to, for example, the upper, lower, etc., is indicated based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, if there are first and second descriptions in the description of the present invention, the description is only for the purpose of distinguishing technical features, and is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, 2 and 3, a fresh air device 100 according to an embodiment of the present invention is applied to an air processing device such as an air conditioner, and the fresh air device 100 can introduce outdoor fresh air into a room to ensure freshness of indoor ambient air and reduce indoor carbon dioxide concentration. The fresh air device 100 of the embodiment includes a first volute 110, a first air intake channel 120 and a first wind wheel 130, a first air intake cavity 111 is formed inside the first volute 110, and the first volute 110 is provided with a first air outlet 112 communicated with the first air intake cavity 111; the air outlet end of the first air inlet channel 120 is communicated with the first volute 110, the air inlet end of the first air inlet channel 120 is used as a fresh air inlet to communicate with the outside, and the fresh air inlet is generally communicated with the outside through a fresh air pipe (not shown in the figure). The first wind wheel 130 is located in the first wind inlet cavity 111, and the first wind wheel 130 introduces outdoor fresh air into the first wind inlet cavity 111 and blows the fresh air out through the first wind outlet 112. It should be noted that the first air intake passage 120 may be configured as a housing hermetically connected to the first scroll casing 110, or may be configured as a portion of the first scroll casing 110, and is not limited in detail herein.
The fresh air device 100 of this embodiment further includes a second volute 140, a second air intake channel 150, and a second wind wheel 160, a second air intake chamber 141 is formed inside the second volute 140, and the second volute 140 is provided with a second air outlet 142 communicated with the second air intake chamber 141; the air outlet end of the second air inlet channel 150 is communicated with the second volute 140, and the air inlet end of the second air inlet channel 150 is used as an indoor air inlet and communicated with the indoor. The second wind wheel 160 is located in the second air inlet chamber 141, and the second wind wheel 160 introduces constant temperature air in the room into the second air inlet chamber 141 and blows the air out through the second air outlet 142. It should be noted that the second air intake passage 150 may be configured as a housing hermetically connected to the second scroll casing 140, or may be configured as a portion of the second scroll casing 140, and is not limited in detail herein.
Further, first air outlet 112 and second air outlet 142 set up side by side, first air inlet chamber 111 and second air inlet chamber 141 are independent each other, outdoor fresh air and indoor constant temperature air blow out simultaneously at first air outlet 112 and second air outlet 142 respectively and mix, indoor air current and outdoor air current form heat convection, thereby improve the indoor temperature of outdoor air current inflow, the difference in temperature of fresh air current after having reduced the mixture and indoor air, make when blowing to the human body the temperature of fresh air current close with the temperature of indoor air, the travelling comfort of fresh air current has been promoted. Simultaneously, the mixed fresh air flow can improve the air quantity in unit time, and the effective air supply distance of the fresh air flow is improved, so that the fresh air flow can be sensed at a longer distance, and the large air quantity provides larger air flow disturbance for the indoor environment, and the temperature distribution of the indoor air is more uniform. Further, compared with the method of increasing the refrigerant pipe or the electric auxiliary heat device to adjust the temperature of the fresh air blown out by the fresh air device 100, the fresh air device 100 of the embodiment has low production cost and good safety.
It should be further explained that the first wind wheel 130 and the second wind wheel 160 can adopt centrifugal wind wheels, and the centrifugal wind wheels have the characteristics of large wind volume, large wind pressure, short ventilation time and the like, and are beneficial to improving the ventilation efficiency of fresh air; in addition, the first wind wheel 130 and the second wind wheel 160 may be driven by one motor, or may be driven by one coaxial motor, and is not limited in particular.
Referring to fig. 1, in some embodiments of the present invention, the first air outlet 112 is located at a front end portion of the first scroll casing 110, the second air outlet 142 is located at a front end portion of the second scroll casing 140, and the indoor air flow in the first air inlet chamber 111 is blown out from the front end portion of the first scroll casing 110, and the outdoor air flow in the second air inlet chamber 141 is blown out from the front end portion of the second scroll casing 140, so that the indoor air flow blown out from the first air outlet 112 and the outdoor air flow blown out from the second air outlet 142 can be mixed quickly and sufficiently, an effective air supply distance of the fresh air flow is further increased, and comfort of the mixed fresh air flow is improved.
Referring to fig. 1 and 2, in some embodiments of the present invention, further, the first air outlet 112 and the second air outlet 142 are located on the same plane, so that the blowing directions and positions of the indoor air flow and the outdoor air flow are the same, so that the air flows are mixed more sufficiently, and the comfort of the mixed fresh air flow is further improved.
Referring to fig. 3, in some embodiments of the present invention, the width of the first outlet 112 is D1, the width of the second outlet 142 is D2, and the sum of the widths of the first outlet 112 and the second outlet 142 is D, D, D1 and D2 satisfy: d1 is more than or equal to 0.6D, and D2 is less than or equal to 0.4D. On the basis of realizing the mixed fresh air flow, the proportion of the outdoor air flow and the indoor air flow in the mixed fresh air flow can be realized by adjusting the proportion of D1 and D2 in D. In order to ensure the effective outdoor airflow amount and the fresh air effect, the embodiment is designed according to the conditions that D1 is more than or equal to 0.6D and D2 is less than or equal to 0.4D, so that the fresh air flow can be blown farther while the comfort of the fresh air flow is ensured, and the fresh air flow is uniformly distributed in the indoor environment. In addition, by adjusting the thickness of the first wind wheel 130 and the second wind wheel 160, the fresh air device 100 can adjust the ratio of the indoor airflow to the outdoor airflow in the mixed fresh air flow, so that the fresh air device 100 can be designed according to the use requirements of different environments.
In some embodiments of the present invention, the first air outlet 112 narrows toward one side of the second scroll 140, and under the condition that the total volume of the outdoor air flow blown out from the first air inlet chamber 111 is constant, the effective air outlet area of the first air outlet 112 narrows, so as to increase the speed of the outdoor air flow blown out from the first air outlet 112, thereby increasing the effective air supply distance, and facilitating mixing with the indoor air flow blown out from the second air outlet 142, and reducing the temperature of the mixed fresh air flow.
In some embodiments of the present invention, the second air outlet 142 narrows toward one side of the first scroll 110, and under the condition that the total air volume of the indoor air flow blown out from the second air inlet chamber 141 is constant, the effective air outlet area of the second air outlet 142 narrows, so as to increase the speed of the indoor air flow blown out from the second air outlet 142, thereby increasing the effective air supply distance, and facilitating mixing with the outdoor air flow blown out from the first air outlet 112, and reducing the temperature of the mixed fresh air flow. Further, when the first air outlet 112 and the second air outlet 142 are both narrowed toward the joint of the first volute 110 and the second volute 140, the speed of the indoor airflow and the outdoor airflow can be increased simultaneously, the effective air supply distance of the fresh air device 100 is increased, and meanwhile, the cooling efficiency of the mixed fresh air flow is further increased, so that the fresh air flow can be sensed at a longer distance, and the comfort of the fresh air flow is improved.
Referring to fig. 7 and 8, in some embodiments of the present invention, as shown in fig. 7, the air volumes of the fresh air device 100, the original scheme (only the first air outlet 112), and the air volume of the air outlet of only the second air outlet 142 under different rotation speeds in the present embodiment are respectively measured. As shown in FIG. 8 below, when the motor speed is measured to be 2000rpm, the effective air supply distance (the distance from the air outlet to the point where the air speed can be measured to be 0.3 m/s) in the original scheme and the scheme of the embodiment is measured. As shown in the above chart, the first wind wheel 130 and the second wind wheel 160 have the same rotation speed at the same time, and the second air outlet 142 is additionally arranged (the maximum rotation speed can be increased by about 10 m)3H), the total air output of the mixed fresh air flow of the fresh air device 100 of the embodiment is obviously increased; in addition, on the basis of solving the problem of large temperature difference between indoor airflow and outdoor airflowThe new trend device 100 of this embodiment scheme effectively promotes effective air supply distance, and effective air supply distance promotes to 3.5m from 2.9m when motor speed is 2000rpm, solves the pain point such as new trend air current travelling comfort is poor and imperceptible.
Referring to fig. 3, in some embodiments of the present invention, the fresh air device 100 further includes a motor 170, the motor 170 is respectively connected to the first wind wheel 130 and the second wind wheel 160 in a driving manner, the motor 170 is a coaxial motor, and can synchronously drive the first wind wheel 130 and the second wind wheel 160, so that the rotation speeds of the first wind wheel 130 and the second wind wheel 160 are the same, and thus the indoor airflow in the first air inlet cavity 111 and the outdoor airflow in the second air inlet cavity 141 are driven to be rapidly blown out and mixed at the air outlet, and thus the temperature of the mixed fresh air flow rapidly reaches the room temperature, the comfort level of the fresh air flow is improved, and the fresh air device is more compact in structure and space, and lower in production cost. In addition, the motor 170 of the embodiment adopts an outer rotor motor, that is, the motor 170 can be installed inside the first wind wheel 130 and the second wind wheel 160, so that the size along the axial direction of the motor 170 is more compact, and the occupied space is smaller.
Referring to FIG. 3, in some embodiments of the present invention, the first volute 110 is located side-by-side with the second volute 140; and the connection between the first volute 110 and the second volute 140 is provided with a motor mounting position (not shown in the figure), the motor 170 is provided at the motor mounting position, and the first wind wheel 130 and the second wind wheel 160 are respectively located at two sides of the motor 170 along the axial direction, so that the structure of the fresh air device 100 is more compact, and the size of the air conditioner indoor unit is reduced.
Referring to fig. 1 and 3, in some embodiments of the present invention, the fresh air device 100 further includes a purification assembly 180, and the purification assembly 180 is used for purifying air. It should be noted that the purifying assembly 180 may be a high efficiency air filter (HEPA), an activated carbon filter, or the like, and is not limited in detail herein. The purifying assembly 180 is disposed in the first air inlet duct 120, generally at the joint of the first air inlet duct 120 and the first air inlet cavity 111, and is used for filtering, dedusting or sterilizing the air entering the first air inlet cavity 111, so as to improve the cleanliness of the fresh air flow.
Referring to fig. 4, 5 and 6, an air conditioning indoor unit according to an embodiment of the present invention includes the fresh air device 100 according to the above embodiment. The fresh air device 100 is installed inside the indoor unit of the air conditioner, and is generally arranged in parallel with the heat exchanger assembly 200. It should be noted that the installation positions of the first volute 110 and the second volute 140 may be arranged in the left-right direction shown in fig. 6, or may be arranged in the opposite direction, and are not particularly limited herein. In the air-conditioning indoor unit of the embodiment, the first volute 110, the first air inlet duct 120, the second volute 140 and the second air inlet duct 150 are arranged through the fresh air device 100, outdoor fresh air is introduced into the first air inlet cavity 111 of the first volute 110 through the first wind wheel 130 by the first air inlet duct 120, indoor air is introduced into the second air inlet cavity 141 of the second volute 140 through the second wind wheel 160 by the second air inlet duct 150, outdoor fresh air and indoor constant-temperature air are simultaneously blown out at the first air outlet 112 and the second air outlet 142 respectively, the temperature difference between the mixed fresh air flow and the indoor air is small, and the comfort of the fresh air flow is improved; meanwhile, the mixed fresh air flow can increase the air quantity in unit time, the air supply distance of the fresh air flow is increased, and the large air quantity provides larger air flow disturbance for the indoor environment, so that the temperature distribution of the indoor air is more uniform, and the user experience of the indoor unit of the air conditioner is improved.
Referring to fig. 5 and 6, the indoor unit of the air conditioner further includes a front cover 300, and a gap is formed between the front cover 300 and the outlet of the fresh air device 100, so that the outdoor air flow from the first outlet 112 and the indoor air flow from the second outlet 142 can be mixed. Further, the front cover 300 is provided with the grating 310 on the corresponding position of the air outlet of the fresh air device 100, the grating 310 adopts the structure of a plurality of through holes arranged in an array, so that the mixed fresh air flow is further mixed after passing through the grating 310, the temperature of the fresh air flow is close to that of the indoor air when the human body is blown, the comfort of the fresh air flow is improved, and the user experience is improved.
Referring to fig. 6, in some embodiments of the present invention, the indoor unit of an air conditioner further includes a heat exchanger assembly 200, the fresh air device 100 is located at one side of the heat exchanger assembly 200, the second volute 140 and the second air inlet duct 150 are disposed toward one side of the heat exchanger assembly 200, and the first volute 110 and the first air inlet duct 120 are located at one side of an end portion of the indoor unit of an air conditioner, so that the indoor unit of an air conditioner has a more compact overall structure and is convenient for arrangement of a fresh air duct.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. Fresh air device, its characterized in that includes: a first volute, a first air inlet channel, a second volute, a second air inlet channel, a first wind wheel and a second wind wheel,
a first air inlet cavity is formed in the first volute, and the first volute is provided with a first air outlet communicated with the first air inlet cavity; the air outlet end of the first air inlet channel is communicated with the first volute, and the air inlet end of the first air inlet channel is used as a fresh air inlet to be communicated with the outside of the room;
a second air inlet cavity is formed in the second volute, and the second volute is provided with a second air outlet communicated with the second air inlet cavity; the air outlet end of the second air inlet channel is communicated with the second volute, and the air inlet end of the second air inlet channel is used as an indoor air inlet and is communicated with the indoor space; the second air outlet and the first air outlet are arranged side by side;
the first wind wheel is arranged in the first air inlet cavity, and the second wind wheel is arranged in the second air inlet cavity.
2. The fresh air device according to claim 1, wherein: the width of the first air outlet is D1, the width of the second air outlet is D2, the sum of the widths of the first air outlet and the second air outlet is D, and D, D1 and D2 satisfy the following conditions: d1 is more than or equal to 0.6D, and D2 is less than or equal to 0.4D.
3. The fresh air device according to claim 1, wherein: the first air outlet narrows towards a side of the second volute.
4. The fresh air device according to claim 1 or 3, wherein: the second air outlet narrows towards a side of the first volute.
5. The fresh air device according to claim 1, wherein: the fresh air device further comprises a motor, and the motor is respectively in driving connection with the first wind wheel and the second wind wheel.
6. The fresh air device according to claim 5, wherein: the first volute and the second volute are arranged side by side, a motor installation position is arranged at the joint of the first volute and the second volute, the motor is arranged at the motor installation position, and the first wind wheel and the second wind wheel are respectively located on two sides of the motor in the axial direction.
7. The fresh air device according to claim 1, wherein: the first air outlet is located at the front end of the first volute, and the second air outlet is located at the front end of the second volute.
8. The fresh air device according to claim 1, wherein: the fresh air device further comprises a purification assembly, and the purification assembly is located in the first air inlet duct to purify outdoor air entering the first air inlet cavity.
9. Machine in air conditioning, its characterized in that: comprising the fresh air device of any one of claims 1 to 8.
10. An indoor unit of an air conditioner according to claim 9, wherein: the indoor unit of the air conditioner further comprises a heat exchanger assembly, the fresh air device is located on one side of the heat exchanger assembly, and the second volute and the second air inlet duct face one side of the heat exchanger assembly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010622087.1A CN111720890A (en) | 2020-06-30 | 2020-06-30 | Machine in new trend device and air conditioning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010622087.1A CN111720890A (en) | 2020-06-30 | 2020-06-30 | Machine in new trend device and air conditioning |
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| CN111720890A true CN111720890A (en) | 2020-09-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113091137A (en) * | 2021-04-22 | 2021-07-09 | 江苏友奥电器有限公司 | Air conditioner with fresh air exchange function |
| CN113865041A (en) * | 2021-08-31 | 2021-12-31 | 青岛海尔空调器有限总公司 | Air supply control method of wall-mounted air conditioner and wall-mounted air conditioner |
| CN113983550A (en) * | 2021-09-30 | 2022-01-28 | 珠海格力电器股份有限公司 | Fresh air device and air conditioner of machine in air conditioning |
| CN114110792A (en) * | 2021-11-11 | 2022-03-01 | Tcl空调器(中山)有限公司 | Fresh air shell, fresh air module and air conditioner |
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2020
- 2020-06-30 CN CN202010622087.1A patent/CN111720890A/en active Pending
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| CN113091137A (en) * | 2021-04-22 | 2021-07-09 | 江苏友奥电器有限公司 | Air conditioner with fresh air exchange function |
| CN113865041A (en) * | 2021-08-31 | 2021-12-31 | 青岛海尔空调器有限总公司 | Air supply control method of wall-mounted air conditioner and wall-mounted air conditioner |
| CN113983550A (en) * | 2021-09-30 | 2022-01-28 | 珠海格力电器股份有限公司 | Fresh air device and air conditioner of machine in air conditioning |
| CN113983550B (en) * | 2021-09-30 | 2022-11-18 | 珠海格力电器股份有限公司 | Fresh air device and air conditioner of machine in air conditioning |
| CN114110792A (en) * | 2021-11-11 | 2022-03-01 | Tcl空调器(中山)有限公司 | Fresh air shell, fresh air module and air conditioner |
| CN114110792B (en) * | 2021-11-11 | 2023-02-17 | Tcl空调器(中山)有限公司 | Fresh air shell, fresh air module and air conditioner |
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