CN112432232A - Air conditioner indoor unit and air conditioner - Google Patents
Air conditioner indoor unit and air conditioner Download PDFInfo
- Publication number
- CN112432232A CN112432232A CN202011186225.2A CN202011186225A CN112432232A CN 112432232 A CN112432232 A CN 112432232A CN 202011186225 A CN202011186225 A CN 202011186225A CN 112432232 A CN112432232 A CN 112432232A
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- air
- side wall
- air conditioner
- indoor unit
- flow guide
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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
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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
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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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
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- 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 belongs to the technical field of air conditioners, and particularly relates to an air conditioner indoor unit and an air conditioner. The invention aims to solve the technical problem that the indoor unit of the air conditioner generates the gasp. The air conditioner comprises an air conditioner outdoor unit and an air conditioner indoor unit, wherein the air conditioner indoor unit comprises a shell, a heat exchanger, a fan, a flow guide piece and an air duct mechanism are arranged in the shell, the air duct mechanism comprises a first side wall and a second side wall which are oppositely arranged, and a volute tongue is arranged at the end part, close to the fan, of the second side wall; the flow guide piece is arranged between the volute tongue and the heat exchanger, and a flow guide surface is arranged on the flow guide piece. Through the arrangement, the air entering the air inlet cavity from the end part of the heat exchanger close to the second side wall flows to the fan along the flow guide surface; compare with the side and the spiral shell tongue that the air flows through connecting plate, second lateral wall in proper order and deviates from first lateral wall, reduced the degree of buckling that the air flow path was drawn, and then improved the stability of air-inlet intracavity air current, the air velocity of flow through air duct mechanism outflow is even, avoids the air conditioning indoor set to send out the wheezing.
Description
Technical Field
The embodiment of the invention belongs to the technical field of air conditioners, and particularly relates to an air conditioner indoor unit and an air conditioner.
Background
With the gradual development of air conditioner technology, the vertical air conditioner indoor unit placed on the ground has been generally applied, the air conditioner indoor unit is connected with an air conditioner outdoor unit, and the air conditioner outdoor unit is used for providing a refrigerant for the air conditioner indoor unit, so that the air conditioner indoor unit can adjust the indoor temperature.
In the related art, a vertical air conditioner indoor unit comprises a tubular shell, a heat exchanger, a fan and an air channel mechanism are arranged in the shell, the fan is arranged between the heat exchanger and the air channel mechanism, air flows to the fan from the heat exchanger, and then the air is blown out of the air channel mechanism by the fan; the air duct mechanism comprises a first side wall and a second side wall which are oppositely arranged, and the end part of the second side wall close to the fan is bent to the direction departing from the first side wall to form a volute tongue. The end part of the heat exchanger close to the second side wall is connected with the second side wall through a connecting plate.
However, the air flowing from the end of the heat exchanger close to the second side wall to the fan flows to the fan along the connecting plate, the second side wall and the volute tongue in sequence, so that the flow path of the air is bent, which easily causes turbulent air flow in the air inlet cavity formed between the heat exchanger and the fan, and causes uneven air flow rate flowing out through the air channel mechanism, thereby causing the indoor unit of the air conditioner to gasp.
Disclosure of Invention
In view of this, embodiments of the present invention provide an air conditioner indoor unit and an air conditioner, so as to solve the technical problem of sending out a wheeze in the working process of the air conditioner indoor unit.
The embodiment of the invention provides an air conditioner indoor unit, which comprises: the fan is arranged between the air outlet and the heat exchanger, the air channel mechanism extends from the air outlet to the fan, and the air channel mechanism is used for conveying air from the fan to the air outlet; the air channel mechanism comprises a first side wall and a second side wall which are oppositely arranged, a volute tongue is arranged at the end part, close to the fan, of the second side wall, and the volute tongue is bent towards the direction departing from the first side wall; the flow guide piece is arranged between the volute tongue and the heat exchanger, and is provided with a flow guide surface which is used for guiding air from the heat exchanger to the fan.
Through the arrangement, the flow guide piece is arranged between the heat exchanger and the volute tongue, the flow guide piece is provided with a flow guide surface, and the flow guide surface guides the air from the heat exchanger to the fan, so that the air entering the air inlet cavity from the end part of the heat exchanger close to the second side wall flows to the fan along the flow guide surface; compare with the side and the spiral shell tongue that the air flows through connecting plate, second lateral wall in proper order and deviates from first lateral wall, reduced the degree of buckling that the air flow path was drawn, and then improved the stability of air-inlet intracavity air current, the air velocity of flow through air duct mechanism outflow is even, avoids the air conditioning indoor set to send out the wheezing.
In some embodiments, which may include the above embodiments, the flow guide surface is curved and the flow guide surface is concave toward the second sidewall.
So set up, the water conservancy diversion face is for the sunken curved surface of second lateral wall, can improve the guide effect to the air to further improve the stability of air inlet intracavity air current, further avoid the air conditioning indoor set to take place to gasp.
In some embodiments, which may include the above embodiments, the flow guiding surface is a cylindrical surface, a center line of the flow guiding surface is parallel to a center line of the fan, the center line of the flow guiding surface has a first distance from an end of the volute tongue facing away from the second side wall, the center line of the flow guiding surface has a second distance from an end of the heat exchanger facing the second side wall, and the first distance is equal to the second distance.
So set up, the water conservancy diversion face that is the face of cylinder can further improve the guide effect to the air to further improve the stability of air inlet intracavity air current, avoid the air conditioning indoor set to take place to gasp.
The first distance is equal to the second distance, so that one end of the volute tongue departing from the second side wall and one end of the heat exchanger facing the second side wall are both positioned on the cylindrical surface where the flow guide surface is positioned, and the air guide effect is further improved.
In some embodiments, which may include the above embodiments, the deflector surface has a radius of 145mm to 155 mm.
By the arrangement, the air conditioner indoor unit can be prevented from generating wheezing at a high rotating speed.
In some embodiments, which may include the above embodiments, a connection hole is provided through the flow guide member, a connection column is provided on one side of the second sidewall facing the flow guide member, a center line of the connection hole coincides with a center line of the connection column, and the connection hole is connected to the connection column by a bolt.
So set up, be fixed in the second lateral wall with the water conservancy diversion spare, make the connection of water conservancy diversion spare in the air conditioner indoor set stable.
In some embodiments which can include the above embodiments, the air-conditioning indoor unit further includes a connecting plate, one end of the connecting plate is connected with the end portion of the heat exchanger close to the second side wall, and the other end of the connecting plate is connected with the second side wall; one end of the flow guide piece abuts against the volute tongue, the other end of the flow guide piece is provided with a connecting portion, the connecting portion is located on one side, facing the second side wall, of the flow guide piece, and the connecting portion is attached to the connecting plate.
So set up, connecting portion and connecting plate laminating to make the connection of water conservancy diversion spare more stable.
In some embodiments, which may include the above-described embodiments, a side of the baffle facing the second sidewall is provided with a first rib extending in a direction parallel to a centerline of the fan.
So set up to improve the intensity of water conservancy diversion spare.
In some embodiments, which may include the above-described embodiments, a side of the baffle facing the second sidewall is provided with a second rib extending in a direction perpendicular to a center line of the fan.
So set up to further improve the intensity of water conservancy diversion spare.
In some embodiments, which may include the above embodiments, the flow guide is a polystyrene foam.
So set up, polystyrene foam spare's density is low and hardness is high, and the low messenger's of density its quality is light, easily installation, and hardness is high long service life.
An embodiment of the present invention further provides an air conditioner, including: air condensing units and as above air conditioning indoor set, air condensing units and air conditioning indoor set are connected.
As can be understood by those skilled in the art, the air conditioner according to the embodiment of the present invention includes an outdoor unit and an indoor unit, and the indoor unit includes: the fan is arranged between the air outlet and the heat exchanger, the air channel mechanism extends from the air outlet to the fan, and the air channel mechanism is used for conveying air from the fan to the air outlet; the air channel mechanism comprises a first side wall and a second side wall which are oppositely arranged, a volute tongue is arranged at the end part, close to the fan, of the second side wall, and the volute tongue is bent towards the direction departing from the first side wall; the flow guide piece is arranged between the volute tongue and the heat exchanger, and is provided with a flow guide surface which is used for guiding air from the heat exchanger to the fan. Through the arrangement, the air entering the air inlet cavity from the end part of the heat exchanger close to the second side wall flows to the fan along the flow guide surface; compare with the side and the spiral shell tongue that the air flows through connecting plate, second lateral wall in proper order and deviates from first lateral wall, reduced the degree of buckling that the air flow path was drawn, and then improved the stability of air-inlet intracavity air current, the air velocity of flow through air duct mechanism outflow is even, avoids the air conditioning indoor set to send out the wheezing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a first cross-sectional view of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 2 is a second cross-sectional view of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 3 is a third cross-sectional view of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an air conditioner indoor unit according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a flow guide member according to an embodiment of the present invention.
Description of reference numerals:
10. a housing;
20. a heat exchanger;
30. a fan;
40. a flow guide member;
50. an air duct mechanism;
60. a connecting plate;
101. an air outlet;
401. a flow guide surface;
402. connecting holes;
403. connecting columns;
404. a connecting portion;
405. a first reinforcing rib;
406. a second reinforcing rib;
501. a first side wall;
502. a second side wall;
503. a volute tongue.
Detailed Description
First, it should be understood by those skilled in the art that these embodiments are merely for explaining technical principles of the embodiments of the present invention, and are not intended to limit the scope of the embodiments of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications.
Next, it should be noted that, in the description of the embodiments of the present invention, the terms of direction or positional relationship indicated by the terms "inside", "outside", and the like are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or member must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present invention.
Furthermore, it should be noted that, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. Specific meanings of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The indoor unit of the air conditioner comprises a vertical indoor unit of the air conditioner and a hanging indoor unit of the air conditioner, wherein the hanging indoor unit of the air conditioner needs to be installed on a wall, and the vertical indoor unit of the air conditioner can be directly placed on the ground. The vertical air conditioner indoor unit comprises a tubular shell, a heat exchanger, a fan and an air channel mechanism are arranged in the shell, the fan is arranged between the heat exchanger and the air channel mechanism, air flows to the fan from the heat exchanger, and then the air is blown out of the air channel mechanism by the fan.
In the related art, the air duct mechanism includes a first side wall and a second side wall that are disposed opposite to each other, and an end portion of the second side wall close to the fan is bent in a direction away from the first side wall to form a volute tongue. The end part of the heat exchanger close to the second side wall is connected with the second side wall through a connecting plate.
However, the air flowing from the end of the heat exchanger close to the second side wall to the fan flows to the fan along the connecting plate, the second side wall and the volute tongue in sequence, so that the flow path of the air is bent, which easily causes turbulent air flow in the air inlet cavity formed between the heat exchanger and the fan, and causes uneven air flow rate flowing out through the air channel mechanism, thereby causing the indoor unit of the air conditioner to gasp.
The embodiment provides an air conditioner indoor unit and an air conditioner, wherein the air guide piece is arranged between the end part, close to the second side wall, of the heat exchanger and the volute tongue, so that air from the heat exchanger is guided to the fan, the air flow rate flowing out of the air channel mechanism is uniform, and the phenomenon that the air conditioner indoor unit generates wheezes when in work is avoided.
The air conditioner that this embodiment provided, including machine and the air condensing units in the air conditioning, machine includes indoor heat exchanger and fan in the air conditioning, and the air condensing units includes compressor, outdoor heat exchanger and throttling element, and indoor heat exchanger includes the heat exchange tube of a plurality of parallel and interval settings and wearing to establish on the tube sheet, and the one end and the compressor of heat exchange tube are connected, and the other end and the throttling element of heat exchange tube are connected, are connected with outdoor heat exchanger between compressor and the throttling element.
When the air conditioner starts a refrigeration mode, the compressor compresses low-temperature and low-pressure gaseous refrigerant into high-temperature and high-pressure gaseous refrigerant, the high-temperature and high-pressure gaseous refrigerant is conveyed to the outdoor heat exchanger, and becomes normal-temperature and high-pressure liquid refrigerant after heat dissipation, and the liquid refrigerant enters the indoor heat exchanger through the throttling element; because the space is increased suddenly after the liquid refrigerant with normal temperature and high pressure reaches the indoor heat exchanger from the throttling element, the pressure is reduced, the liquid refrigerant is gasified and changed into the low-temperature gaseous refrigerant, the liquid refrigerant is gasified to absorb a large amount of heat, the temperature of the indoor heat exchanger is reduced, the temperature of the gas flowing through the indoor heat exchanger is reduced, the low-temperature gas is blown out by the fan, the temperature of the indoor air is reduced, and the refrigeration of the air conditioner is realized.
When the air conditioner is started to be in the heating mode, the flowing directions of the refrigerant in the outdoor heat exchanger and the refrigerant in the indoor heat exchanger are opposite to the flowing directions of the refrigerant when the air conditioner is started to be in the cooling mode. The compressor compresses low-temperature low-pressure gaseous refrigerant into high-temperature high-pressure gaseous refrigerant, the high-temperature high-pressure gaseous refrigerant is conveyed to the indoor heat exchanger and becomes normal-temperature high-pressure liquid refrigerant after heat dissipation, and the liquid refrigerant is liquefied to release a large amount of heat, so that the temperature of the indoor heat exchanger is increased, the temperature of gas flowing through the indoor heat exchanger is increased, the fan blows out high-temperature gas, the temperature of indoor air is increased, and the heating of the air conditioner is realized. The liquid refrigerant enters the outdoor heat exchanger through the throttling element, and the liquid refrigerant at normal temperature and high pressure reaches the outdoor heat exchanger from the throttling element, then the space is suddenly increased, the pressure is reduced, the liquid refrigerant is gasified to be changed into low-temperature gaseous refrigerant, and the liquid refrigerant is gasified to absorb a large amount of heat, so that the temperature of the outdoor heat exchanger is reduced.
Fig. 1 is a first cross-sectional view of an air conditioning indoor unit according to an embodiment of the present invention. As shown in fig. 1, the present embodiment provides an indoor unit of an air conditioner, including a tubular casing 10, an air outlet 101 is disposed on the casing 10, a heat exchanger 20, a fan 30 and an air duct mechanism 50 are disposed in the casing 10, the fan 30 is disposed between the air outlet 101 and the heat exchanger 20, an air inlet chamber is formed between the heat exchanger 20 and the fan 30, the air duct mechanism 50 extends from the air outlet 101 to the fan 30, and the air duct mechanism 50 is configured to deliver air from the fan 30 to the air outlet 101.
The air channel mechanism 50 includes a first side wall 501 and a second side wall 502 which are oppositely disposed, a volute tongue 503 is disposed at an end of the second side wall 502 close to the fan 30, and the volute tongue 503 is bent in a direction away from the first side wall 501. Illustratively, the first sidewall 501 and the second sidewall 502 are parallel to a center line of the fan 30, the first sidewall 501 and the second sidewall 502 enclose an air duct, one end of the air duct is communicated with the air outlet 101, and a part of the fan 30 can be accommodated at the other end of the air duct, so that when the fan 30 rotates, air in the air inlet chamber is delivered to the air outlet 101 through the air duct.
A connecting plate is arranged between one end, facing the second side wall, of the heat exchanger and the second side wall and is connected with the heat exchanger and the second side wall, so that the heat exchanger is fixed, and meanwhile, the air inlet cavity is sealed.
The casing 10 is further provided with a flow guide member 40, the flow guide member 40 is arranged between the volute tongue 503 and the heat exchanger 20, and the flow guide member 40 is provided with a flow guide surface 401, and the flow guide surface 401 is used for guiding the air from the heat exchanger 20 to the fan 30.
In this embodiment, the flow guiding element 40 is disposed between the heat exchanger 20 and the volute tongue 503, the flow guiding element 40 has a flow guiding surface 401, and the flow guiding surface 401 guides the air from the heat exchanger 20 to the fan 30, so that the air entering the air inlet cavity from the end of the heat exchanger 20 close to the second side wall 502 flows along the flow guiding surface 401 to the fan 30; compared with the case that air flows through the connecting plate 60, the side face of the second side wall 502 departing from the first side wall 501 and the volute tongue 503 in sequence, the bending degree of the air flow path is reduced, the stability of air flow in the air inlet cavity is further improved, the air flow rate flowing out through the air channel mechanism 50 is uniform, and the indoor unit of the air conditioner is prevented from breathing.
Fig. 2 is a second cross-sectional view of an air conditioning indoor unit according to an embodiment of the present invention. As shown in fig. 2, the shape of the flow guiding surface 401 is not limited in this embodiment as long as the air from the end of the heat exchanger 20 facing the second sidewall 502 can be guided to the fan 30, and the flow guiding surface may be a plane, for example.
In some embodiments, the flow guide surface 401 is curved, and the flow guide surface 401 is concave toward the second sidewall 502.
The flow guide surface 401 is a curved surface recessed towards the second side wall 502, so that the air guide effect can be improved, the stability of airflow in the air inlet cavity is further improved, and the indoor unit of the air conditioner is further prevented from breathing.
Further, the flow guide surface 401 is a cylindrical surface, a center line of the flow guide surface 401 is parallel to a center line of the fan 30, a first distance is provided between the center line of the flow guide surface 401 and one end of the volute tongue 503 away from the second side wall 502, a second distance is provided between the center line of the flow guide surface 401 and one end of the heat exchanger 20 facing the second side wall 502, and the first distance is equal to the second distance.
Through the arrangement, the guide surface 401 which is a cylindrical surface can further improve the air guide effect, so that the stability of air flow in the air inlet cavity is further improved, and the indoor unit of the air conditioner is prevented from breathing.
It should be noted that, the first distance is equal to the second distance, and both an end of the volute tongue 503 facing away from the second side wall 502 and an end of the heat exchanger 20 facing the second side wall 502 are located on the cylindrical surface where the flow guiding surface 401 is located, so as to further improve the air guiding effect.
The flow guide surface 401 may also be an elliptical cylindrical surface or a conical surface.
In some embodiments, the deflector surface 401 has a radius of 145mm to 155 mm. For example, the radius of the flow guiding surface 401 may be 150 mm. By the arrangement, the air conditioner indoor unit can be prevented from generating wheezing at a high rotating speed.
Fig. 3 is a third cross-sectional view of an air conditioning indoor unit according to an embodiment of the present invention. Fig. 4 is a schematic structural diagram of an air conditioning indoor unit according to an embodiment of the present invention. As shown in fig. 3 and 4, a connection hole 402 is formed through the airflow guide 40, a connection post 403 is formed on one side of the second side wall 502 facing the airflow guide 40, a center line of the connection hole 402 coincides with a center line of the connection post 403, and the connection hole 402 and the connection post 403 are connected by a bolt to fix the airflow guide 40 on the second side wall 502, so that the airflow guide 40 is stably connected in the air conditioner indoor unit.
In this embodiment, the connecting hole 402 may be a counter bore, and after the connecting hole 402 is connected to the connecting column 403 by a bolt, the surface of the flow guiding surface is smooth and has no protrusion, so that the flow path of the gas is not affected.
In some embodiments, one end of the connection plate 60 is connected to the end of the heat exchanger 20 near the second sidewall 502, and the other end of the connection plate 60 is connected to the second sidewall 502, and the heat exchanger 20 and the second sidewall 502 are connected by the connection plate 60.
In this embodiment, one end of the flow guiding element 40 abuts against the volute tongue 503, the other end of the flow guiding element 40 is provided with a connecting portion 404, the connecting portion 404 is located on one side of the flow guiding element 40 facing the second side wall 502, and the connecting portion 404 is attached to the connecting plate 60.
The connection portion 404 is attached to the connection plate 60 to stabilize the connection of the flow guide 40.
Fig. 5 is a schematic structural diagram of a flow guide member according to an embodiment of the present invention. As shown in fig. 5, in some embodiments, the side of the baffle 40 facing the second sidewall 502 is provided with a first bead 405, and the first bead 405 extends in a direction parallel to the centerline of the fan 30. The first reinforcing rib 405 can improve the strength of the baffle member 40.
In some embodiments, the side of the baffle 40 facing the second sidewall 502 is provided with second ribs 406, and the second ribs 406 extend in a direction perpendicular to the centerline of the fan 30. The second reinforcing ribs 406 can further improve the strength of the baffle member 40.
In this embodiment, the connecting hole 402 extends through the second rib 406, and the bolt extends through the connecting hole 402 and is connected to the connecting post 403, so as to fix the air guiding element 40 on the second sidewall 502.
In some embodiments, the baffle 40 is a polystyrene foam. The baffle member 40 may also be a metal or plastic member.
The polystyrene foam piece has low density, high hardness, light weight, easy installation, high hardness and long service life.
In summary, the air conditioner according to the embodiment of the present invention includes an air conditioner outdoor unit and an air conditioner indoor unit, the air conditioner indoor unit includes a casing 10, a heat exchanger 20, a fan 30, a flow guide member 40 and an air duct mechanism 50, the heat exchanger 20, the fan 30 and the air duct mechanism 50 are disposed in the casing 10, an air outlet 101 is disposed on the casing 10, the fan 30 is disposed between the air outlet 101 and the heat exchanger 20, the air duct mechanism 50 extends from the air outlet 101 to the fan 30, and the air duct mechanism 50 is configured to convey air from the fan; the air channel mechanism 50 comprises a first side wall 501 and a second side wall 502 which are oppositely arranged, a volute tongue 503 is arranged at the end part of the second side wall 502 close to the fan 30, and the volute tongue 503 is bent towards the direction back to the first side wall 501; the flow guide 40 is disposed between the volute tongue 503 and the heat exchanger 20, and the flow guide 40 has a flow guide surface 401 thereon, and the flow guide surface 401 is used for guiding the air from the heat exchanger 20 to the fan 30. Through the arrangement, the air entering the air inlet cavity from the end part of the heat exchanger 20 close to the second side wall 502 flows to the fan 30 along the flow guide surface 401, and compared with the situation that the air sequentially flows through the connecting plate 60, the side surface of the second side wall 502 departing from the first side wall 501 and the volute tongue 503, the bending degree of the air flow path is reduced, the stability of the air flow in the air inlet cavity is further improved, the air flow rate flowing out through the air channel mechanism 50 is uniform, and the indoor unit of the air conditioner is prevented from breathing.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An indoor unit of an air conditioner is characterized by comprising a shell, a heat exchanger, a fan, a flow guide piece and an air duct mechanism, wherein the heat exchanger, the fan, the flow guide piece and the air duct mechanism are arranged in the shell;
the air channel mechanism comprises a first side wall and a second side wall which are oppositely arranged, a volute tongue is arranged at the end part, close to the fan, of the second side wall, and the volute tongue is bent towards the direction back to the first side wall; the flow guide piece is arranged between the volute tongue and the heat exchanger, and is provided with a flow guide surface which is used for guiding air from the heat exchanger to the fan.
2. An indoor unit of an air conditioner according to claim 1, wherein the guide surface is a curved surface, and the guide surface is recessed toward the second side wall.
3. An indoor unit of an air conditioner as claimed in claim 2, wherein the flow guide surface is a cylindrical surface, a center line of the flow guide surface is parallel to a center line of the fan, a first distance is formed between the center line of the flow guide surface and an end of the volute tongue facing away from the second side wall, a second distance is formed between the center line of the flow guide surface and an end of the heat exchanger facing the second side wall, and the first distance is equal to the second distance.
4. An indoor unit of an air conditioner according to claim 3, wherein the radius of the guide surface is 145mm to 155 mm.
5. An indoor unit of an air conditioner according to claim 1, wherein a connection hole is provided through the guide member, a connection post is provided on a side of the second side wall facing the guide member, a center line of the connection hole coincides with a center line of the connection post, and the connection hole is connected to the connection post by a bolt.
6. An indoor unit of an air conditioner according to claim 1, further comprising a connection plate, one end of the connection plate being connected to an end of the heat exchanger near the second side wall, and the other end of the connection plate being connected to the second side wall; one end of the flow guide piece abuts against the volute tongue, a connecting portion is arranged at the other end of the flow guide piece, the connecting portion is located on one side, facing the second side wall, of the flow guide piece, and the connecting portion is attached to the connecting plate.
7. An indoor unit of an air conditioner according to claim 1, wherein a first reinforcing rib is provided on a side of the air guide member facing the second side wall, the first reinforcing rib extending in a direction parallel to a center line of the fan.
8. An indoor unit of an air conditioner according to claim 1, wherein a second reinforcing rib is provided on a side of the air guide member facing the second side wall, the second reinforcing rib extending in a direction perpendicular to a center line of the fan.
9. An indoor unit of an air conditioner according to claim 1, wherein the air guide member is a styrofoam member.
10. An air conditioner comprising an outdoor unit and the indoor unit of any one of claims 1 to 9, wherein the outdoor unit is connected to the indoor unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011186225.2A CN112432232B (en) | 2020-10-30 | 2020-10-30 | Air conditioner indoor unit and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011186225.2A CN112432232B (en) | 2020-10-30 | 2020-10-30 | Air conditioner indoor unit and air conditioner |
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| CN112432232A true CN112432232A (en) | 2021-03-02 |
| CN112432232B CN112432232B (en) | 2022-01-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237139A (en) * | 2021-04-22 | 2021-08-10 | 青岛海尔空调器有限总公司 | Vertical air conditioner indoor unit and air conditioner |
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| JP2002310448A (en) * | 2001-04-05 | 2002-10-23 | Fujitsu General Ltd | Air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113237139A (en) * | 2021-04-22 | 2021-08-10 | 青岛海尔空调器有限总公司 | Vertical air conditioner indoor unit and air conditioner |
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| Publication number | Publication date |
|---|---|
| CN112432232B (en) | 2022-01-21 |
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