CN108507015B - Indoor hanging machine of air conditioner - Google Patents
Indoor hanging machine of air conditioner Download PDFInfo
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- CN108507015B CN108507015B CN201810151578.5A CN201810151578A CN108507015B CN 108507015 B CN108507015 B CN 108507015B CN 201810151578 A CN201810151578 A CN 201810151578A CN 108507015 B CN108507015 B CN 108507015B
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- 238000007599 discharging Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0029—Axial 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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/082—Grilles, registers or guards
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The invention provides an indoor hanging machine of an air conditioner, which comprises a hanging machine body and an air supply mixed flow assembly, wherein a heat exchanger is arranged in the hanging machine body and is configured to send heat exchange air passing through the heat exchanger out of a main air supply port at the lower part of the hanging machine body; the air supply mixed flow assembly is fixedly connected to the lower part of the hanging machine body through a connecting piece and comprises a cylindrical mixed flow cavity, and an axial flow fan and a centrifugal fan which are distributed in the two sides of the cylindrical mixed flow cavity; the axis of the cylindrical mixed flow cavity is parallel to the axis of the hanging machine body, the upper part of the cylindrical mixed flow cavity is provided with a mixed flow air outlet, and both ends of the cylindrical mixed flow cavity are provided with mixed flow air inlets; the length of the mixed flow air outlet is at least longer than that of the main air outlet. According to the indoor hanging machine provided by the invention, the axial flow fan and the centrifugal fan are respectively used for guiding indoor air sucked from the mixed flow air inlet into the cylindrical mixed flow cavity and then conveying the indoor air to the mixed flow air outlet, discharging the indoor air through the mixed flow air outlet, mixing the indoor air with heat exchange air output by the main air outlet, and conveying the indoor air into a room, so that the comfortable and healthy air supply experience of a user is improved.
Description
Technical Field
The invention relates to an air conditioner, in particular to an indoor hanging machine of an air conditioner.
Background
With the popularization of air conditioners, the requirements of users on the comfort and health of air supply are increasing. The traditional air conditioner has the advantages that the air supply is strong, cold air directly blows to people, air conditioning diseases are the biggest problem of using the air conditioner by users, through the continuous innovation of air conditioning technology, jet technology and drainage technology are presented, and a cool and uncooled healthy air supply concept is brought, but the technologies have certain limitations, namely, mixed flow is uneven, and the comfort experience of users is affected; further, the user has different requirements for air supply of the air conditioner, such as: during refrigeration, young people like strong refrigeration, but old people and children need comfortable refrigeration, and the existing common jet flow and drainage technology cannot be met at the same time.
Traditional drainage or efflux scheme, drainage efflux wind direction is single, although can bring comfortable experience for the user in the temperature, and wind direction list always blows the people and also makes user experience nature poor.
Disclosure of Invention
It is an object of the present invention to provide an indoor unit of an air conditioner that overcomes or at least partially solves the above-mentioned problems.
It is a further object of the present invention to provide a centrifugal axial flow combined variable velocity unequal directed jet air supply.
It is a further object of the invention to improve the user experience.
In particular, the present invention provides an indoor unit of an air conditioner, comprising:
The on-hook body is internally provided with a heat exchanger and is configured to send heat exchange air passing through the heat exchanger out of a main air supply port at the lower part of the on-hook body; and
The air supply mixed flow assembly is fixedly connected to the lower part of the hanging machine body through a connecting piece and comprises a cylindrical mixed flow cavity, and an axial flow fan and a centrifugal fan which are distributed in the two sides of the cylindrical mixed flow cavity; wherein,
The axis of the cylindrical mixed flow cavity is parallel to the axis of the hanging machine body, the upper part of the cylindrical mixed flow cavity is provided with a mixed flow air outlet, and both ends of the cylindrical mixed flow cavity are provided with mixed flow air inlets; the length of the mixed flow air outlet is at least longer than that of the main air outlet;
The rotating axis of the axial flow fan is coincident with the axis of the cylindrical mixed flow cavity, and a guide ring is arranged on one side of the axial flow fan, which is close to the middle part of the cylindrical mixed flow cavity, and is used for guiding indoor air sucked from the mixed flow air inlet through the axial flow fan into the cylindrical mixed flow cavity and then conveying the indoor air to the mixed flow air outlet;
the rotation axis of the centrifugal fan is coincident with the axis of the cylindrical mixed flow cavity; the air outlet of the centrifugal fan faces the inner side of the upper part of the cylindrical mixed flow cavity, and the air outlet of the centrifugal fan is inclined downwards to the inside of the cylindrical mixed flow cavity and is provided with a guide plate for guiding indoor air sucked from the mixed flow air inlet through the centrifugal fan into the cylindrical mixed flow cavity and then conveying the indoor air to the mixed flow air outlet.
Preferably, the heat exchanger is provided with at least one main cross-flow fan which is transversely arranged towards the main air supply opening, the outside of the main cross-flow fan is provided with a main volute, and the lower part of the main cross-flow fan is correspondingly provided with at least one main air supply opening; each main cross-flow fan is used for respectively leading indoor air into the hanging machine body from the main air inlet, exchanging heat through the heat exchanger and then delivering the indoor air to the main air outlet for guiding.
Preferably, each main cross flow fan operates independently.
Preferably, the total air outlet amount of the axial flow fan and the centrifugal fan is smaller than the air outlet amount of the main cross flow fan, so that the air outlet amount of the mixed flow air outlet is smaller than the air outlet amount of the main air outlet.
Preferably, the mixed flow air outlet of the cylindrical mixed flow cavity is provided with an air outlet grille, and the mixed flow air inlet of the axial flow fan side of the cylindrical mixed flow cavity is provided with an air inlet grille for ensuring safety.
Preferably, the connecting piece connects the rear side of the mixed flow air outlet of the cylindrical mixed flow cavity and the middle part of the lower end of the hanging machine body.
Preferably, the connector comprises: the connecting shaft, and the connecting end and the fixed end which are connected through the connecting shaft; wherein,
The connecting end is an arc-shaped surface to match the radian of the cylindrical mixed flow cavity; the fixed end comprises a fixed surface fixed with the bottom of the casing of the hanging machine body and a connecting surface extending downwards along one side of the fixed surface towards the front of the indoor unit, and the connecting surface is connected with the connecting shaft.
Preferably, the axial flow fan comprises a motor, a rotating shaft of the motor penetrates through a motor bracket to be connected with the axial flow fan, and the motor is fixed on one side in the cylindrical mixed flow cavity through the motor bracket;
The guide ring is arranged in the cylindrical mixed flow cavity and is communicated with the axial flow fan and the cylindrical mixed flow cavity.
Preferably, the centrifugal fan comprises a motor, a rotating shaft of the motor is connected with the centrifugal fan, a volute is arranged outside the centrifugal fan, and an air outlet of the centrifugal fan is formed in the volute;
The centrifugal fan is fixed in the cylindrical mixed flow cavity through the supporting plate.
Preferably, the axial flow fan and the centrifugal fan in the air supply mixed flow assembly operate relatively independently.
Because the air supply mixed flow component is additionally arranged at the lower part of the hanging machine body, the cylindrical mixed flow cavity, and the axial flow fans and the centrifugal fans which are distributed in the two sides of the cylindrical mixed flow cavity are arranged on the indoor hanging machine of the air conditioner; the axis of tube-shape mixed flow chamber is parallel with the axis of hanging the machine body, and wherein upper portion is equipped with mixed flow air outlet, and its both ends are equipped with mixed flow air intake, after leading into tube-shape mixed flow chamber with indoor air from mixed flow air intake through axial fan and centrifugal fan, discharge through mixed flow air outlet, indoor air mixes with the heat transfer air of main air supply mouth output and sends into indoor, promotes user's comfortable healthy air supply and experiences.
Further, according to the indoor hanging machine disclosed by the invention, the cylindrical mixed flow cavity sucks indoor air into the cylindrical mixed flow cavity through the centrifugal fans and the axial flow fans at two sides in different trend at different speeds, and the indoor air is irregularly sent out through the mixed flow air outlets arranged on the cylindrical mixed flow cavity, so that different negative pressure areas with different pressure orientations are formed between the main air inlet and the mixed flow air outlets of the cylindrical mixed flow cavity, different jet air flows with different air supply directions at different speeds are formed, and the different jet air flows and the different directional air flows of the mixed flow air outlets of the cylindrical mixed flow cavity jointly form indoor air jet flows, so that the jet flow required by the mixed flow air is greatly improved; meanwhile, jet mixed-flow air flows of different speeds and different directions of natural wind are formed, so that the air flows are really cool and not cool, and people are not blown directly.
Furthermore, the indoor hanging machine of the invention has the advantages that the air supply mixed flow component is arranged at the lower part of the shell outside the hanging machine body and is connected with the hanging machine body through the connecting piece, so that a user can independently install the air supply mixed flow component on the basis of not replacing the hanging machine body, the operability is strong, and the user can flexibly select whether to install the air supply mixed flow component according to the requirement of the user.
The above, as well as additional objectives, advantages, and features of the present invention will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present invention when read in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:
fig. 1 is a schematic front view of an indoor unit of an air conditioner according to an embodiment of the present invention;
Fig. 2 is a schematic view illustrating an internal structure of the indoor unit of fig. 1;
FIG. 3 is an exploded schematic view of an air mix assembly of the indoor unit of FIG. 1;
fig. 4 is an enlarged schematic view of a connection member of the indoor unit of fig. 1.
Detailed Description
The air conditioner generally enters indoor air from an air inlet of the indoor unit, and after heat exchange of the heat exchanger, the air after heat exchange is blown out from an air supply outlet of the indoor unit again, so that the indoor air is continuously subjected to heat exchange in a circulating way, and the indoor air is kept at a comfortable temperature.
Fig. 1 is a schematic front view of an indoor unit 10 of an air conditioner according to one embodiment of the present invention; fig. 2 is a schematic view illustrating an internal structure of the indoor unit 10 shown in fig. 1; the indoor unit 10 includes a main body 100 and a mixed air flow assembly 200.
It can be understood by those skilled in the art that the function of the on-hook body 100 provided by the present invention is the same as that of an independent indoor on-hook in the prior art, that is, a heat exchanger is arranged in the on-hook body 100, indoor air enters from the main air inlet 110 of the on-hook body 100, and after heat exchange by the heat exchanger, the indoor air is blown out from the main air inlet 120 of the on-hook body 100 and sent into a room, and the indoor air is circulated for heat exchange.
Further, at least one main through-flow fan 130 is disposed at a position facing the main air inlet 120 of the heat exchanger, in this embodiment, the main through-flow fans 130 include two main volutes disposed outside the main through-flow fans 130, the main air inlet 120 is correspondingly disposed at a lower portion of the main through-flow fans, and each main through-flow fan 130 is configured to introduce indoor air from the main air inlet 110 into the heat exchanger of the inside diameter of the on-hook body 100, exchange heat, and send the indoor air to the main air inlet 120 for export.
Specifically, as further shown in fig. 1 and 2, the lower portion of the on-hook body 100 is connected to an air supply mixing assembly 200, and is fixedly connected to the lower portion of the on-hook body 100 through a connecting piece 300. The air-supplying mixed flow assembly 200 includes a cylindrical mixed flow chamber 210, and an axial flow fan 220 and a centrifugal fan 230 distributed inside both sides of the cylindrical mixed flow chamber 210. Further, the axis of the cylindrical mixed flow cavity 210 is parallel to the axis of the on-hook body 100, and the upper part thereof is provided with a mixed flow air outlet 212, and both ends thereof are provided with mixed flow air inlets 211. The length of the mixed air outlet 212 is at least greater than the length of the main air outlet 120.
Further, each main cross flow fan 130 may operate independently. In the present embodiment, when the two main through-flow fans 130 are all operated, the air outlets of the main air inlets 120 all cover the air outlets of the mixed air outlets 212; when one of the two main cross flow fans 130 is independently operated, the air outlet part of the main air inlet 120 covers the air outlet of the mixed flow air outlet 212, so that partial jet mixed flow can be realized, and the air flow and circulation can be accelerated by one side of the main cross flow fan 130 which is not operated and one side of the main cross flow fan 130 which is operated.
The axis of the cylindrical mixed flow cavity 210 is parallel to the axis of the on-hook body 100, and mainly the mixed air outlet 212 is parallel to the main air outlet 120 of the on-hook body 100, so that the indoor air sent out from the mixed air outlet 212 is uniformly mixed with the heat exchange air of the main air outlet 120 of the on-hook body 100.
Specifically, the rotation axis of the axial flow fan 220 coincides with the axis of the cylindrical mixed flow cavity 210, and a guide ring 221 is disposed on one side of the axial flow fan 220 near the middle of the cylindrical mixed flow cavity 210, so as to guide the indoor air sucked by the axial flow fan 220 into the cylindrical mixed flow cavity 210 and then convey the indoor air to the mixed flow air outlet 212.
The rotation axis of the centrifugal fan 230 coincides with the axis of the cylindrical mixed flow cavity 210; the air outlet of the centrifugal fan 230 faces the inner side of the upper portion of the cylindrical mixed flow chamber 210, and the air outlet of the centrifugal fan 230 is inclined to the inside of the cylindrical mixed flow chamber 210 and extends downwards to form a guide plate 121 for guiding indoor air sucked by the centrifugal fan 230 into the cylindrical mixed flow chamber 210 and then conveying the indoor air to the mixed flow air outlet 212.
In some preferred embodiments, the hanging machine body 100 further includes an air deflector, where the air deflector is installed at the main air inlet 120, and the horizontal plane of the air deflector is perpendicular to the plane of the main air inlet 120. That is, the flow direction of the wind fed from the main air inlet 120 into the room is parallel to the horizontal plane of the air guide plate, so that at least a part of the wind fed from the main air inlet 120 can be mixed with the wind discharged from the converging air outlet of the mixed flow cross flow assembly, and the wind after heat exchange is mixed with the indoor wind without heat exchange and then fed into the room again.
The indoor hanging machine 10 of the invention, the lower part of the hanging machine body 100 is connected with the tubular mixed flow cavity 210, the tubular mixed flow cavity 210 sucks the indoor air into the tubular mixed flow cavity 210 through the centrifugal fans 230 and the axial fans 220 in the two sides at different speeds, and the mixed flow air outlet 212 arranged on the tubular mixed flow cavity 210 irregularly sends out, thus forming negative pressure areas with different pressure orientations between the main air inlet 120 and the mixed flow air outlet 212 of the tubular mixed flow cavity 210, thus forming jet air flows with different air supply directions at different speeds, and the jet air flows and the different speed and different direction airflows of the mixed flow air outlet 212 of the tubular mixed flow cavity 210 jointly form indoor air jet flows, thus greatly improving the jet flow required by the mixed flow air; meanwhile, jet mixed-flow air flows of different speeds and different directions of natural wind are formed, so that the air flows are really cool and not cool, and people are not blown directly.
In particular, in the indoor hanging machine 10 of the air conditioner provided by the invention, since the air supply mixed flow assembly 200 is additionally arranged at the lower part of the hanging machine body 100, the cylindrical mixed flow cavity 210 of the air supply mixed flow assembly 200 is internally provided with the centrifugal fan 230 and the axial flow fan 220 respectively at two sides of the cylindrical mixed flow cavity 210, the upper part of the cylindrical mixed flow cavity 210 is provided with the mixed flow air outlet 212, the two ends of the cylindrical mixed flow cavity 210 are provided with the mixed flow air inlet 211, the centrifugal fan 230 and the axial flow fan 220 respectively suck indoor air into the cylindrical mixed flow cavity 210 from the mixed flow air inlet 211, then the indoor air is discharged from the mixed flow air outlet 212 and is mixed with heat exchange air discharged from the main air inlet 120 of the hanging machine body 100 to form cool and uncooled air flow.
In some preferred embodiments, the total amount of air output from the axial flow fan 220 and the centrifugal fan 230 is less than the air output from the main cross flow fan 130, so that the air output from the mixed air outlet 212 is less than the air output from the main air outlet 120. If the total amount of the air output from the axial flow fan 220 or the centrifugal fan 230 is greater than or equal to the air output from the main air outlet 120 of the on-hook body 100, the amount of the heat exchange air output from the main air outlet 120 of the on-hook body 100 is less than or equal to the amount of the mixed air output from the mixed air outlet 212 to the indoor space, so that the indoor temperature reaches the preset temperature at a very low speed, and the user experience is very poor.
Further, on the above-mentioned tube-shaped mixed flow cavity 210, the mixed flow air outlet 212 is provided with an air outlet grille, and the mixed flow air inlet 211 of the tube-shaped mixed flow cavity 210 on the side of the axial flow fan 220 is provided with an air inlet grille, which is used for ensuring safety, preventing dust from entering the interior of the air supply mixed flow assembly 200, and facilitating cleaning of the air supply mixed flow assembly 200.
Fig. 3 is a schematic exploded view of the air-supplying mixed flow assembly 200 of the indoor unit 10 shown in fig. 1, the air-supplying mixed flow assembly 200 includes a cylindrical mixed flow chamber 210, an air outlet grille 214 is disposed at an upper portion of the air-supplying mixed flow chamber, and an axial flow fan 220 and a centrifugal fan 230 are disposed at two sides of the cylindrical mixed flow chamber 210. The axial flow fan 220 comprises a motor 222, a rotating shaft of the motor 222 passes through a motor bracket 223 and is connected with an axial flow fan 224, and the motor 222 is fixed at one side in the cylindrical mixed flow cavity 210 through the motor bracket 223; the guide ring 221 is disposed in the cylindrical mixed flow chamber 210 and communicates with the axial flow fan 220 and the cylindrical mixed flow chamber 210. The centrifugal fan 230 comprises a motor 232, a rotating shaft of the motor 232 is connected with a centrifugal fan 233, a volute 234 is arranged outside the centrifugal fan, and an air outlet of the centrifugal fan 230 is formed in the volute 234; the centrifugal fan 230 is fixed in the cylindrical mixed flow chamber 210 by a support plate 235.
In addition, the mixed-flow through-flow assembly provided by the invention can operate independently of the on-hook body 100, and a user can select whether to open the mixed-flow through-flow assembly according to actual conditions so as to realize different air supply modes.
In other preferred embodiments, the air-supplying mixed flow assembly 200 is fixedly connected to the lower portion of the on-hook body 100 through a connecting member 300, and fig. 4 is an enlarged schematic view of the connecting member 300 of the indoor on-hook 10 shown in fig. 1, the connecting member 300 is specifically connected to the axial middle portion of the air-inlet grille 213 and the middle portion of the lower end of the on-hook body 100, and the connecting member 300 is connected to the middle portion of the air-inlet grille 213, so that the air-supplying mixed flow assembly 200 is matched with the on-hook body 100 in a point-to-point connection manner.
Specifically, the connector 300 includes a connecting shaft 310, a connecting end 320 and a fixed end 330 connected to the connecting shaft 310; wherein, the connecting end 320 is an arc surface to match the radian of the cylindrical mixed flow cavity 210, and is used for connecting and fixing the air supply mixed flow assembly 200 by a screw or other modes, and is connected with the rear side of the mixed flow air outlet 212 of the cylindrical mixed flow cavity 210; the fixed end 330 includes a fixed surface 331 fixed to the bottom of the casing of the hanging machine body 100 and a connecting surface 332 extending downward along the fixed surface 331 toward one side in front of the indoor unit, the connecting surface 332 is connected to the connecting shaft 310, and the fixed surface 331 is fixed to the bottom of the casing of the hanging machine body 100 by screws. Through the connection of this connecting piece 300, can be firm mix the flow subassembly 200 of will supplying air fixed with the bottom of hanging machine body 100 for supply air mix flow subassembly 200 and hang machine body 100 cooperation work, realize different air supply modes, satisfy different users' demand to the air supply, improve user experience effect.
In the indoor hanging machine 10 of the present invention, since the air-supply mixed flow assembly 200 is disposed at the lower part of the housing outside the hanging machine body 100 and is connected to the hanging machine body 100 through the connector 300, the air-supply mixed flow assembly 200 can be individually installed by a user without replacing the hanging machine body 100, and the operability is high, and whether to install the air-supply mixed flow assembly 200 can be flexibly selected according to the user's needs. For example, for a room where young people live, strong air supply is preferred during cooling, the air supply mixed flow component 200 may be omitted, a conventional indoor unit air conditioner may be used, the air supply mixed flow component 200 may be omitted, and the indoor unit 10 provided with the air supply mixed flow component 200 may be turned on or not according to actual situations. For the rooms where the old and the children live, the air supply mixed flow assembly 200 is installed for comfortable refrigeration.
By now it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described herein in detail, many other variations or modifications of the invention consistent with the principles of the invention may be directly ascertained or inferred from the present disclosure without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and deemed to cover all such other variations or modifications.
Claims (10)
1. An indoor hanging machine of an air conditioner, comprising:
the on-hook body is internally provided with a heat exchanger and is configured to send heat exchange air passing through the heat exchanger out of a main air inlet at the lower part of the on-hook body; and
The air supply mixed flow assembly is fixedly connected to the lower part of the on-hook body through a connecting piece and comprises a cylindrical mixed flow cavity, and an axial flow fan and a centrifugal fan which are distributed in the two sides of the cylindrical mixed flow cavity; wherein,
The axis of the cylindrical mixed flow cavity is parallel to the axis of the on-hook body, the upper part of the cylindrical mixed flow cavity is provided with a mixed flow air outlet, and both ends of the cylindrical mixed flow cavity are provided with mixed flow air inlets; the length of the mixed flow air outlet is at least longer than that of the main air outlet;
the rotating axis of the axial flow fan coincides with the axis of the cylindrical mixed flow cavity, and a guide ring is arranged on one side of the axial flow fan, which is close to the middle part of the cylindrical mixed flow cavity, and is used for guiding indoor air sucked from the mixed flow air inlet through the axial flow fan into the cylindrical mixed flow cavity and then conveying the indoor air to the mixed flow air outlet;
The rotation axis of the centrifugal fan is coincident with the axis of the cylindrical mixed flow cavity; the air outlet of the centrifugal fan faces the inner side of the upper part of the cylindrical mixed flow cavity, and the air outlet of the centrifugal fan extends downwards to the inner side of the cylindrical mixed flow cavity in an inclined mode and is used for guiding indoor air sucked from the mixed flow air inlet through the centrifugal fan to the cylindrical mixed flow cavity and then conveying the indoor air to the mixed flow air outlet.
2. The indoor hanger of claim 1, wherein,
At least one main cross flow fan which is transversely arranged is arranged at the position, facing the main air supply opening, of the heat exchanger, a main volute is arranged outside the main cross flow fan, and at least one main air supply opening is correspondingly arranged at the lower part of the main volute; each main cross flow fan is used for respectively leading indoor air into the hanging machine body from a main air inlet, exchanging heat by the heat exchanger and then delivering the indoor air to the main air outlet for guiding.
3. The indoor unit of claim 2, wherein,
Each main cross-flow fan operates independently.
4. An indoor unit as claimed in any one of claims 1 to 3, wherein,
The total air outlet amount of the axial flow fan and the centrifugal fan is smaller than the air outlet amount of the main cross flow fan, so that the air outlet amount of the mixed flow air outlet is smaller than the air outlet amount of the main air outlet.
5. The indoor hanger of claim 1, wherein,
An air outlet grille is arranged on the mixed flow air outlet of the cylindrical mixed flow cavity, and an air inlet grille is arranged at the mixed flow air inlet of the axial flow fan side of the cylindrical mixed flow cavity and used for ensuring safety.
6. The indoor hanger of claim 1, wherein,
The connecting piece is connected with the rear side of the mixed flow air outlet of the cylindrical mixed flow cavity and the middle part of the lower end of the hanging machine body.
7. The indoor hanger of claim 6, wherein,
The connector includes: the connecting shaft, and the connecting end and the fixed end which are connected through the connecting shaft; wherein,
The connecting end is an arc-shaped surface to match the radian of the cylindrical mixed flow cavity; the fixed end comprises a fixed surface fixed with the bottom of the machine shell of the hanging machine body and a connecting surface extending downwards along one side of the fixed surface towards the front of the indoor hanging machine, and the connecting surface is connected with the connecting shaft.
8. The indoor hanger of claim 1, wherein,
The axial flow fan comprises a motor, a rotating shaft of the motor penetrates through a motor support to be connected with the axial flow fan, and the motor is fixed on one side in the cylindrical mixed flow cavity through the motor support;
The guide ring is arranged in the cylindrical mixed flow cavity and is communicated with the axial flow fan and the cylindrical mixed flow cavity.
9. The indoor hanger of claim 1, wherein,
The centrifugal fan comprises a motor, a rotating shaft of the motor is connected with the centrifugal fan, a volute is arranged outside the centrifugal fan, and an air outlet of the centrifugal fan is formed in the volute;
The centrifugal fan is fixed in the cylindrical mixed flow cavity through a supporting plate.
10. The indoor hanger of claim 1, wherein,
The axial flow fan and the centrifugal fan in the air supply mixed flow assembly run relatively independently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810151578.5A CN108507015B (en) | 2018-02-14 | 2018-02-14 | Indoor hanging machine of air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810151578.5A CN108507015B (en) | 2018-02-14 | 2018-02-14 | Indoor hanging machine of air conditioner |
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| CN108507015A CN108507015A (en) | 2018-09-07 |
| CN108507015B true CN108507015B (en) | 2024-05-28 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896591A (en) * | 2015-05-29 | 2015-09-09 | 青岛海尔空调器有限总公司 | Wall-hanging type air conditioner |
| CN107575937A (en) * | 2017-09-04 | 2018-01-12 | 青岛海尔空调器有限总公司 | Wall-hanging air conditioner indoor unit |
| CN208186532U (en) * | 2018-02-14 | 2018-12-04 | 青岛海尔空调器有限总公司 | A kind of wall-hung indoor unit of air conditioner |
-
2018
- 2018-02-14 CN CN201810151578.5A patent/CN108507015B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896591A (en) * | 2015-05-29 | 2015-09-09 | 青岛海尔空调器有限总公司 | Wall-hanging type air conditioner |
| CN107575937A (en) * | 2017-09-04 | 2018-01-12 | 青岛海尔空调器有限总公司 | Wall-hanging air conditioner indoor unit |
| CN208186532U (en) * | 2018-02-14 | 2018-12-04 | 青岛海尔空调器有限总公司 | A kind of wall-hung indoor unit of air conditioner |
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| CN108507015A (en) | 2018-09-07 |
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