CN110762618A - Machine and air conditioner in air conditioning of reversible air supply - Google Patents
Machine and air conditioner in air conditioning of reversible air supply Download PDFInfo
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- CN110762618A CN110762618A CN201911085895.2A CN201911085895A CN110762618A CN 110762618 A CN110762618 A CN 110762618A CN 201911085895 A CN201911085895 A CN 201911085895A CN 110762618 A CN110762618 A CN 110762618A
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- 230000002441 reversible effect Effects 0.000 title claims description 28
- 238000004378 air conditioning Methods 0.000 title claims description 17
- 238000005057 refrigeration Methods 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 238000007664 blowing Methods 0.000 claims description 24
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 18
- 238000001816 cooling Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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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
- F24F1/0011—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
- F24F1/0029—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
- 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
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/005—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted on the floor; standing on the floor
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0087—Indoor units, e.g. fan coil units with humidification means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied 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
- 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
- F24F13/081—Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
Abstract
The invention provides an air conditioner indoor unit capable of supplying air reversibly and an air conditioner, wherein the air conditioner indoor unit comprises: the air conditioner comprises a shell, a first air port, a second air port and a counter-rotating fan, wherein an internal air channel is formed inside the shell, one end of the internal air channel is communicated with the first air port, the other end of the internal air channel is communicated with the second air port, and the counter-rotating fan is arranged in the internal air channel; and a rotational flow air outlet assembly is further arranged at the first air opening and can rotate to convert axial air flow into rotary air flow to be blown out. The invention can achieve the purpose of improving the uniformity of air flow in summer and winter, and can realize shower type upper air outlet by refrigeration in summer and carpet type lower air outlet by heating in winter, and simultaneously realize the functions, thereby greatly improving the comfort level of indoor human bodies.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to an air conditioner indoor unit capable of supplying air reversibly and an air conditioner.
Background
The traditional air conditioner structure generally adopts a structure of air inlet and air outlet from the bottom, or air inlet and air outlet from the top and the bottom, or air outlet from the top and the bottom after air inlet, and the air supply from the top to the bottom is usually realized through an air deflector structure when the working conditions of refrigeration and heating are changed. Among the prior art, the wind gap of cabinet air conditioner all sets up in the side, and the air current flows can take place to turn to in the wind channel, and the flow loss that causes the air current is great, and the wind gap size is fixed, causes the air-out air current to distribute unevenly easily, and the not far scheduling problem of air supply distance easily causes cold wind direct-blowing people in air conditioner operation process, and the hot-blast scheduling problem that falls to the ground that is difficult causes the user to experience the travelling comfort poor. Some of the disclosed patents have some structures capable of blowing air up and down at the same time, but are limited by the structure of the fan and the air duct, and the air pressure at the outlet is low, so that long-distance air blowing cannot be realized.
Because the air conditioner in the prior art has the technical problems that the air conditioner can not realize refrigeration and upper air outlet in summer and heating and lower air outlet in winter, and can also improve the distribution uniformity of air flow of the air outlet, and the like, the invention researches and designs the air conditioner indoor unit and the air conditioner with reversible air supply.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the air conditioner in the prior art cannot realize refrigeration upper air outlet in summer and heating lower air outlet in winter, and simultaneously improve the distribution uniformity of the air flow of the air outlet, thereby providing an air conditioner indoor unit and an air conditioner capable of supplying air reversibly.
The invention provides an air-conditioning indoor unit capable of supplying air reversibly, which comprises:
the air conditioner comprises a shell, a first air port, a second air port and a counter-rotating fan, wherein an internal air channel is formed inside the shell, one end of the internal air channel is communicated with the first air port, the other end of the internal air channel is communicated with the second air port, and the counter-rotating fan is arranged in the internal air channel; and a rotational flow air outlet assembly is further arranged at the first air opening and can rotate to convert axial air flow into rotary air flow to be blown out.
Preferably, the first and second electrodes are formed of a metal,
the cyclone air-out component comprises a plurality of cyclone blades and a body, wherein the plurality of cyclone blades are arranged on the outer peripheral surface of the body at intervals along the circumferential direction of the body.
Preferably, the first and second electrodes are formed of a metal,
the rotational flow fan blade and the body are provided with the same central axis, and a slow flow piece with an arc-shaped surface is arranged on one end face of the body, which is positioned on the axis, and/or the blade of the rotational flow fan blade is arranged around the central axis at a certain twist angle, the twist installation angle of the blade is 30-45 degrees, and the twist installation angle of the blade is the included angle between the chord length of the blade and the central axis; and/or the number of the blades of the rotational flow fan blade is even.
Preferably, the first and second electrodes are formed of a metal,
the air conditioner indoor unit further comprises an air outlet casing, the body is fixedly arranged on the air outlet casing, and the air outlet casing is connected with the air conditioner casing.
Preferably, the first and second electrodes are formed of a metal,
the air conditioner is characterized in that a supporting part is arranged on the inner wall of the upper part of the air conditioner shell, and the supporting part is connected with the air outlet shell to support the air outlet shell.
Preferably, the first and second electrodes are formed of a metal,
the air outlet shell is in a cylindrical structural form; or the air outlet casing is in a hemispherical structural form, the inner part of the hemisphere is a hollow cavity for accommodating the rotational flow fan blade and the body, and the lower surface of the air outlet casing is an arc surface for being connected with the air conditioner casing.
Preferably, the first and second electrodes are formed of a metal,
the first air opening is positioned at the top end of the internal air duct, and the second air opening is positioned at the lower part of the internal air duct; during refrigeration, the first air port is an air outlet, and the second air port is an air inlet; when heating, the first air port is an air inlet, and the second air port is an air outlet.
Preferably, the first and second electrodes are formed of a metal,
the air guide top cover is arranged at the position of the first air opening, can be lifted to open the first air opening and can also be lowered to close the first air opening, and an annular channel allowing air flow to circulate is formed between the air guide top cover and the first air opening when the air guide top cover is lifted.
Preferably, the first and second electrodes are formed of a metal,
the flow guide top cover is of a cone structure, the lower surface of the flow guide top cover is a conical surface, and a bus of the conical surface in the longitudinal section is of an arc line structure.
Preferably, the first and second electrodes are formed of a metal,
the contra-rotating fan comprises a first axial flow fan blade and a second axial flow fan blade, the first axial flow fan blade and the second axial flow fan blade are adjacently arranged along the axial direction, and the rotating directions of the first axial flow fan blade and the second axial flow fan blade are opposite; during refrigeration, the first axial flow fan blade rotates towards a first direction, and the second axial flow fan blade rotates towards a second direction, so that airflow is blown to the first air opening from the second air opening; when heating, the first axial flow fan blade rotates towards a second direction, and the second axial flow fan blade rotates towards a first direction, so that air flow is blown to the second air port from the first air port, wherein the first direction is opposite to the second direction.
The invention also provides an air conditioner which comprises the air conditioner indoor unit capable of realizing reversible air supply.
The air conditioner indoor unit and the air conditioner with reversible air supply provided by the invention have the following beneficial effects:
1. according to the invention, through the structural form of the counter-rotating fan arranged in the internal air duct of the indoor unit of the air conditioner and the arrangement of the first air port and the second air port, the air can be discharged upwards from the air port positioned at the upper part through the counter-rotating fan during refrigeration in summer, and can be discharged downwards from the air port positioned at the lower part through the counter-rotating fan during refrigeration in winter, and through the rotational flow air-out assembly arranged at the first air port, the axial flowing air flow can be subjected to vortex acceleration through the rotational flow fan blades, and meanwhile, the axial flowing air flow generates a tangential component, so that the air flow distribution area is wider, the air-out air flow is more uniform, the energy loss of the air flow at the air outlet is reduced, the air supply distance is larger, the air flow space flow range is large, the cold and hot air convection and heat exchange can be; simultaneously through the movable design of upper cover plate, can be according to operating mode adjustment wind gap size, the arc design of upper cover plate forms annular air outlet, realizes the effect of wide angle air-out with the cooperation of whirl fan blade, carries on counter-rotating axial fan subassembly, can realize under the same wind channel refrigeration operating mode air current down advance go up go out, heat the reversible air supply effect that the operating mode air current went up into down go out.
2. The invention provides a rotational flow air outlet assembly which comprises rotational flow fan blades and an annular air outlet cover plate capable of moving up and down, the size of an air outlet can be controlled according to requirements, the axial airflow generated by an axial flow fan can be turned into circumferential airflow by the rotational flow fan blades, the energy loss of the airflow at the air outlet is reduced, the air outlet is uniform, and the comfort is improved. The rotational flow fan blade can be driven by the motor to rotate, so that the pressurization acceleration of the air outlet flow is realized, and the air supply distance is increased. The slow flow piece with the arc-shaped structure is arranged on the windward side of the central shaft of the rotational flow fan blade, so that the wind resistance of the air outlet assembly can be reduced. The aerodynamic noise excited by the blades is reduced by setting the number of the blades of the rotational flow fan blade to be an even number of 8 blades, 10 blades or 12 blades. The inlet angle of the blades of the fan blade is 30-45 degrees, so that the resistance of the blades to airflow can be reduced.
3. The counter-rotating axial flow fan blades are adopted to effectively increase wind pressure, improve wind volume and realize remote wind supply; the conical flow guide top cover is positioned at the top of the air conditioner and consists of a cylinder and a cone, the cylinder structure and the shell form a seal, and the cone structure is used for guiding airflow to flow in or out from the upper air inlet.
Drawings
Fig. 1 is a schematic view of the entire internal three-dimensional structure of a reversible air supply indoor unit of an air conditioner according to embodiment 1 of the present invention;
fig. 2 is an explosion structure diagram of a cyclone air outlet assembly inside a reversible air supply indoor unit of an air conditioner in embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a swirl fan blade and a body part in a swirl air-out assembly inside a reversible air supply indoor unit of an air conditioner in embodiment 1 of the present invention;
fig. 4 is a schematic view of airflow flowing in a cooling mode of an indoor unit of a reversible-blowing air conditioner according to embodiment 1 of the present invention;
fig. 5 is a schematic view of airflow flowing in a heating mode of an indoor unit of a reversible-blowing air conditioner according to embodiment 1 of the present invention;
fig. 6 is a schematic view of the entire internal three-dimensional structure of a reversible air supply indoor unit of an air conditioner according to embodiment 2 of the present invention;
fig. 7 is an exploded schematic view of a cyclone air outlet assembly inside a reversible air supply indoor unit of an air conditioner according to embodiment 2 of the present invention;
fig. 8 is a structural schematic diagram of the reversible air supply air-conditioning indoor unit according to embodiment 2 of the present invention, in which the assembly of the rotational flow air outlet assembly is completed;
fig. 9 is a schematic view of airflow flowing in a cooling mode of an indoor unit of a reversible-blowing air conditioner according to embodiment 2 of the present invention;
fig. 10 is a schematic view of airflow flowing in the heating mode of the indoor unit of the reversible-blowing air conditioner according to embodiment 2 of the present invention;
fig. 11 is a schematic view of the airflow streamline at the outlet of the rotational flow air outlet assembly of the reversible air supply indoor unit of the air conditioner.
The reference numbers in the figures denote:
1. an air conditioner; 2. an air conditioning housing; 3. an internal air duct; 4. a counter-rotating fan; 4a, a first axial flow fan blade; 4b, second axial flow fan blades; 5. a rotational flow air outlet assembly; 51. a rotational flow fan blade; 52. a body; 53. an air outlet shell; 6. a support portion; 7. a motor; 8. a flow slowing member; 21. a first tuyere; 22. a second tuyere; 22a and a first second air port; 22b and a second air port II; 23. and a flow guide top cover.
Detailed Description
As shown in fig. 1 to 11, the present invention provides an indoor unit of an air conditioner capable of reversible blowing, comprising:
the air conditioner comprises an air conditioner shell 2, a first air port 21, a second air port 22 and a counter-rotating fan 4, wherein an internal air channel 3 is formed inside the air conditioner shell 2, one end of the internal air channel 3 is communicated with the first air port 21, the other end of the internal air channel 3 is communicated with the second air port 22, and the counter-rotating fan 4 is arranged in the internal air channel 3; the first air opening 21 is located at the top end of the inner air duct 3, a rotational flow air outlet assembly 5 is further arranged at the first air opening 21, and the rotational flow air outlet assembly 5 can rotate to convert axial air flow into rotational air flow to be blown out.
According to the invention, through the structural form of the counter-rotating fan arranged in the internal air duct of the indoor unit of the air conditioner and the arrangement of the first air port and the second air port, the counter-rotating fan can realize upward air outlet from the air port positioned at the upper part during refrigeration in summer and realize downward air outlet from the air port positioned at the lower part during refrigeration in winter, and the rotational flow air outlet assembly arranged at the first air port can perform vortex acceleration on axial flow through the rotational flow fan blades, and simultaneously, the axial flow generates tangential components, so that the air flow distribution area is wider, the air outlet flow is more uniform, the energy loss of the air flow at the air outlet is reduced, the air supply distance is larger, the air flow space flow range is large, the convection and heat exchange of cold and hot air can be enhanced, and the effects of uniform temperature distribution, rapid temperature rise and temperature reduction are realized.
Preferably, the first and second electrodes are formed of a metal,
the cyclone air-out assembly 5 comprises a cyclone fan blade 51 and a body 52, wherein the cyclone fan blade 51 is arranged on the outer peripheral surface of the body 52, and the plurality of cyclone fan blades 51 are arranged at intervals along the circumferential direction of the body 52. The rotational flow air-out component is in the preferred structure form, the rotational flow can be effectively realized by the rotational flow fan blades and the body, the rotational flow fan blades rotate the airflow flowing through the axial flow wind direction to blow out along the circumferential direction (including the circumferential direction and the axial direction to form the oblique upward blowing or the oblique downward blowing), the air blowing range is effectively enlarged, and the uniformity of the airflow is improved.
Preferably, the first and second electrodes are formed of a metal,
the rotational flow fan blade 51 and the body 52 have the same central axis, and a slow flow member 8 with an arc-shaped surface is arranged on one end face of the body 52 positioned on the axis, and/or the blade of the rotational flow fan blade 51 is arranged around the central axis at a certain twisted angle, the twisted installation angle of the blade is 30-45 degrees, and the twisted installation angle of the blade is the included angle between the chord length of the blade and the central axis; and/or the number of the blades of the rotational flow fan blade 51 is even. The air outlet component is in a further preferable structure form, and the air resistance of the air outlet component can be reduced and the uniformity of air flow can be improved by adopting the arc-shaped flow slowing piece on the windward side of the central shaft of the rotational flow fan blade. The plurality of blades are uniformly distributed along the circumferential direction of the central shaft, the number of the blades of the rotational flow fan blade is 8, 10 or 12 even number of blades, preferably, the number of the blades is 8, the blades are arranged around the central shaft at a certain twist angle, the angle theta of the blades is 30-45 degrees, and the angle of the blades is the included angle of the axes of the rest central shafts of the blades; the windward side of the central shaft is provided with a slow flow piece with an arc structure, the slow flow piece is connected with the central shaft, the cone angle of the slow flow piece is 45 degrees, the flow equalizing effect on air flow can be improved, the impact of the air flow on the central shaft of the fan blade can be reduced by the slow flow piece, and the effect of guiding the air flow into the fan blade can be achieved; the angle theta of the blades is 30-45 degrees, so that the resistance of the blades to the airflow can be reduced, the flow equalizing effect of the airflow is further improved, and the diffusion effect of the airflow is improved; the aerodynamic noise excited by the blades is reduced by setting the number of the blades of the rotational flow fan blade to be an even number of 8 or 10 or 12
Preferably, the first and second electrodes are formed of a metal,
the air-conditioning indoor unit further comprises an air outlet casing 53, the body 52 is fixedly arranged on the air outlet casing 53, and the air outlet casing 53 is connected with the air-conditioning casing 2. Can form the supporting role to whirl fan blade and body through the air-out casing.
Preferably, the first and second electrodes are formed of a metal,
the upper inner wall of the air conditioner shell 2 is provided with a supporting part 6, and the supporting part 6 is connected with the air outlet shell 53 to support the air outlet shell 53. The supporting portion is preferably a step structure arranged on the inner wall of the air conditioner casing 2, and the air outlet casing abuts against the step structure. Effective supporting, positioning and fixing effects on the air outlet shell can be formed through the supporting portion.
Preferably, the first and second electrodes are formed of a metal,
example 1, as shown in figures 1-5,
the air outlet shell 53 is in a cylindrical structural form, and the interior of the cylinder is a hollow cavity for accommodating the rotational flow fan blade and the body therein;
example 2, as shown in figures 6-10,
or the air outlet casing 53 is in a hemispherical structural form, the lower surface of the air outlet casing 53 is an arc surface, and the lower surface of the air outlet casing is an arc surface to be connected with the air conditioner casing.
Preferably, the first and second electrodes are formed of a metal,
the position of the first air inlet 21 is provided with a flow guide top cover 23, the flow guide top cover 23 can be lifted to open the first air inlet 21 and can also be lowered to close the first air inlet 21, and an annular channel allowing air flow to circulate is formed between the flow guide top cover 23 and the first air inlet 21 when the flow guide top cover 23 is lifted. Simultaneously through the movable design of upper cover plate (be water conservancy diversion top cap), can be according to operating mode adjustment wind gap size, the arc design of upper cover plate forms annular air outlet, realizes the effect of wide angle air-out with the cooperation of whirl fan blade, carries on counter-rotating axial fan subassembly, can realize under the same wind channel under the refrigeration operating mode air current go into go out from above, heat the reversible air supply effect that the operating mode air current went into down out from above.
Through the setting of water conservancy diversion top cap, can open first wind gap through raising, and form annular air outlet or air intake, can increase the area of the air current circulation of first wind gap department effectively, thereby promote the heat transfer effect effectively, promote indoor refrigeration or heat the comfort level, make no matter can both accomplish the purpose to indoor improvement heat transfer effect in summer or winter, and the refrigeration in summer realizes air-out on the shower formula, heat in winter and realize air-out under the carpet formula, realize above-mentioned function simultaneously, make the comfort level of indoor human body obtain very big improvement.
Preferably, the first and second electrodes are formed of a metal,
the flow guide top cover 23 is of a cone structure, the lower surface of the flow guide top cover 23 is a conical surface, and a generatrix of the conical surface in the longitudinal section is of an arc line structure; and/or the diversion top cover 23 is also provided with a motor 7 in a connecting way. The conical flow guide top cover is positioned at the top of the air conditioner and consists of a cylinder and a cone, the cylinder structure and the shell form a seal, and the cone structure is used for guiding airflow to flow in or out from the upper air inlet. The air outlet area can be increased, meanwhile, the air flow is effectively guided towards the periphery, the indoor air flow is promoted to flow in a large range, the air outlet range is enlarged, and the refrigerating and heating effects are improved.
The air conditioner comprises a flow guide top cover 23, an air flow guide top cover and an air flow guide device, wherein the flow guide top cover is a circular air outlet formed by rotating an arc-shaped end surface along the circumferential direction, air flow can realize circumferential air outlet along the air outlet, meanwhile, a linear push rod motor is arranged at the lower end of the top cover, the pushing and withdrawing movement of the upper top cover can be realized, when the air conditioner is started, the linear push rod motor pushes the upper top cover out, so that the circular air outlet is in an open state, when the air conditioner is closed, the linear push rod motor pulls the upper top cover back to reset, the air outlet is ensured to be in a closed state, dust and other sundries are prevented from entering an air channel, and meanwhile, the position of the upper top cover can be adjusted in real time according; 52 are swirl blades.
Preferably, the first and second electrodes are formed of a metal,
the second air inlet 22 is positioned at the lower part of the inner air duct 3; during refrigeration, the first air port 21 is an air outlet, and the second air port 22 is an air inlet; when heating, the first air port 21 is an air inlet, and the second air port 22 is an air outlet. The first air port is arranged at the top end of the internal air duct, and air can be exhausted through the first air port during refrigeration, so that refrigeration shower type air supply is formed, the indoor refrigeration air supply area is increased, and the refrigeration comfort level is improved; the air is exhausted through the second air port positioned at the lower part during heating, so that heating carpet type air supply can be formed, the indoor heating air supply area is increased, and the heating comfort level is improved.
Preferably, the first and second electrodes are formed of a metal,
the counter-rotating fan 4 comprises a first axial flow fan blade 4a and a second axial flow fan blade 4b, the first axial flow fan blade 4a and the second axial flow fan blade 4b are adjacently arranged along the axial direction, and the rotating directions of the first axial flow fan blade 4a and the second axial flow fan blade 4b are opposite; during refrigeration, the first axial flow fan blade 4a rotates towards a first direction, and the second axial flow fan blade 4b rotates towards a second direction, so that airflow is blown to the first air opening 21 from the second air opening 22; during heating, the first axial fan blade 4a rotates in a second direction, and the second axial fan blade 4b rotates in a first direction, so that an air flow is blown from the first air opening 21 to the second air opening 22, wherein the first direction is opposite to the second direction.
The counter-rotating fan is in the preferred structure, the two fans with different rotating directions are arranged oppositely, the rotating directions are opposite, the effect of air outlet in the same direction is achieved, the air outlet capacity is improved, the air outlet is upward and is downward during refrigeration, and the air outlet is downward and is downward during heating.
① when the cooling mode is turned on, the indoor air enters from the lower part under the action of the fan, and then passes through the heat exchanger, and goes out from the upper air outlet, so as to realize cooling waterfall type air supply. ② only opens the fan system, turns off the air-conditioning compressor, the indoor air enters from the lower part, passes through the moisture absorption device, and then goes out from the upper part, so as to realize cooling and humidifying of the indoor air, and achieve the effect of energy saving. ③ when the air-conditioning is turned on in the heating mode, the fan is turned over, the indoor air enters from the upper part under the action of the fan, passes through the heat exchanger for heat exchange, then passes through the moisture absorption device (wet film) to complete humidifying, and then goes out from the lower air outlet, so as to realize blanket type air supply during air-conditioning heating, and simultaneously, the relative.
Preferably, the first and second electrodes are formed of a metal,
the upper part of the air-conditioning casing 2 is of a cylindrical structure, the lower part of the air-conditioning casing is of a polyhedral structure, the upper part is connected with the lower part, the cross section of the polyhedral structure is polygonal, and the second air ports 22 are arranged on at least two side faces of the polyhedral structure.
The air conditioner shell is in an optimal structure form, and the structure of the upper cylindrical structure is matched with the flow guide top cover and the rotational flow air outlet assembly at the first air inlet, so that the air outlet effect along the peripheral direction can be formed at the top end of the air conditioner shell, and the uniformity of air flow and the air outlet range are improved; set up the second wind gap through setting up on two at least sides of polygonal structure and can improve the intake or the air output from the second wind gap, improve the heat transfer effect.
The invention also provides an air conditioner which comprises the air conditioner indoor unit with the humidifying function.
The invention provides an indoor cabinet air conditioner capable of realizing upper air inlet, lower air outlet, lower air inlet and upper air outlet simultaneously, which is different from the traditional air conditioner only having single upper air outlet or single lower air outlet or simultaneously upper and lower air outlets, can simultaneously meet the requirements of blowing from top to bottom during refrigeration and blowing from bottom to top during heating, and has higher comfort.
The air conditioner comprises a straight-cylinder-shaped air outlet shell (embodiment 1) or a hemispherical air outlet shell (embodiment 2), and is characterized in that 2, the shell is an air conditioner shell, the upper section of the shell is cylindrical, the lower section of the shell is of a square structure, the size of the whole air conditioner shell can be reduced to a certain extent by matching the upper-section cylindrical shell with a disrotatory axial flow fan, the area of a heat exchanger can be increased by adopting the square shell at the lower end, and meanwhile, the arrangement of a lower air inlet is facilitated; 22a is a left air outlet, 22b is a right air outlet, 4a is a first axial flow fan blade, 4b is a second axial flow fan blade, the upper axial flow fan blade and the lower axial flow fan blade form a counter-rotating axial flow fan blade, and can realize forward and reverse rotation, 7 is a motor of a linear push rod and controls the movement of an upper top cover, and 8 is an arc-shaped slow flow piece which is arranged on the windward side of the rotating axial flow fan blade and plays roles of guiding flow and reducing resistance.
Fig. 2 and 7 are exploded views of a cyclone air-out assembly, when an air conditioner is blown out from the lower air-inlet upper portion, an upward airflow with a large axial speed can be generated for a cyclone axial flow fan, the airflow can drive a cyclone fan blade to rotate after flowing through the cyclone air-out assembly, under the guiding action of the cyclone fan blade, the airflow can induce a high-speed axial airflow to generate a tangential speed air volume, and an even spiral airflow is generated under the condition of minimum airflow energy loss.
In fig. 5 and 9, the flow of the air flow is schematically shown in the cooling condition. When the air conditioner refrigerates, as shown by arrows in fig. 5 and 9, the fan driving assembly controls the counter-rotating axial flow fan to rotate, so that air enters a heat exchange air duct of the cabinet air conditioner from a lower air port, and after the air is subjected to heat exchange with the heat exchanger, the air is blown out after flowing through the upper rotating flow air-out assembly, and after the air flow is accelerated by the pressurization of the rotating flow fan blades, cold air blown out by the cabinet air conditioner can be conveyed to a farther distance.
In fig. 6 and 10, the schematic flow of the air flow organization is shown in the heating condition. When the air conditioner heats, as shown by an arrow in fig. 6, the fan driving assembly controls the counter-rotating axial flow fan to rotate, so that air flow enters and exits from the top, at the moment, the rotational flow air outlet assembly can change the original rotation direction at the moment, the suction force of the air port is increased, more air at the air port at the upper part of the air enters the cabinet air conditioner, and after the air is subjected to heat exchange with the heat exchanger, the air is blown out from the air port at the lower part of the cabinet air conditioner, so that the effects of increasing the air volume and improving the heat.
The number of the blades of the guide fan blade can be more than 8 or less than 8, and the angle of the blades can be less than 30 degrees or more than 45 degrees. The position of the swirl outlet assembly can be arranged at an upper air inlet and a lower air inlet, and the lower branch opening can be provided with a group of swirl outlet assemblies or a plurality of groups of swirl outlet assemblies. The structural form of the shell can be a cylinder, a cuboid and a cube, and can also be a combination form of the cylinder and the cuboid or the cylinder and the cube, and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention. The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (12)
1. The utility model provides a machine in reversible air conditioning which characterized in that: the method comprises the following steps:
the air conditioner comprises an air conditioner shell (2), a first air port (21), a second air port (22) and a counter-rotating fan (4), wherein an internal air channel (3) is formed inside the air conditioner shell (2), one end of the internal air channel (3) is communicated with the first air port (21), the other end of the internal air channel is communicated with the second air port (22), and the counter-rotating fan (4) is arranged in the internal air channel (3); and a rotational flow air-out component (5) is further arranged at the first air opening (21), and the rotational flow air-out component (5) can rotate to convert axial air flow into rotational air flow to be blown out.
2. An indoor unit of an air conditioner with reversible blowing according to claim 1, characterized in that:
the cyclone air-out assembly (5) comprises cyclone fan blades (51) and a body (52), wherein the cyclone fan blades (51) are arranged on the outer peripheral surface of the body (52), and the cyclone fan blades (51) are arranged in a plurality of and are arranged at intervals along the circumferential direction of the body (52).
3. An indoor unit of an air conditioner with reversible blowing according to claim 2, characterized in that:
the cyclone fan blade (51) and the body (52) have the same central axis, and a slow flow piece (8) with an arc-shaped surface is arranged on one end face of the body (52) positioned on the axis, and/or the blade of the cyclone fan blade (51) is arranged around the central axis at a certain twist angle, and the twist angle of the blade is 30-45 degrees, wherein the twist angle of the blade is the included angle between the chord length of the blade and the central axis; and/or the number of the blades of the rotational flow fan blade (51) is even.
4. An indoor unit of an air conditioner with reversible blowing according to claim 2, characterized in that:
the air-conditioning indoor unit further comprises an air outlet casing (53), the body (52) is fixedly arranged on the air outlet casing (53), and the air outlet casing (53) is connected with the air-conditioning casing (2).
5. An indoor unit of an air conditioner with reversible blowing according to claim 4, characterized in that:
the air conditioner is characterized in that a supporting part (6) is arranged on the inner wall of the upper part of the air conditioner shell (2), and the supporting part (6) is connected with the air outlet shell (53) to support the air outlet shell (53).
6. An indoor unit of an air conditioner with reversible blowing according to claim 4 or 5, characterized in that:
the air outlet casing (53) is in a cylindrical structural form, and the interior of the cylinder is a hollow cavity for accommodating the rotational flow fan blade and the body; or the air outlet casing (53) is in a hemispheroid structural form, the lower surface of the air outlet casing (53) is an arc surface, and the lower surface of the air outlet casing is an arc surface and is connected with the air conditioner casing.
7. An indoor unit of an air conditioner with reversible blowing according to any one of claims 1 to 6, characterized in that:
the first air opening (21) is positioned at the top end of the inner air duct (3), and the second air opening (22) is positioned at the lower part of the inner air duct (3); during refrigeration, the first air port (21) is an air outlet, and the second air port (22) is an air inlet; when heating, the first air opening (21) is an air inlet, and the second air opening (22) is an air outlet.
8. An indoor unit of an air conditioner with reversible blowing according to claim 7, characterized in that:
the air guide top cover (23) is arranged at the position of the first air opening (21), the air guide top cover (23) can be lifted to open the first air opening (21) and can also be lowered to close the first air opening (21), and an annular channel allowing air flow to circulate is formed between the air guide top cover (23) and the first air opening (21) when the air guide top cover (23) is lifted.
9. An indoor unit of an air conditioner with reversible blowing according to claim 8, characterized in that:
the flow guide top cover (23) is of a cone structure, the lower surface of the flow guide top cover (23) is a conical surface, and a generatrix of the conical surface in the longitudinal section is of an arc line structure; and/or the flow guide top cover (23) is also provided with a motor (7) in a connecting way.
10. An indoor unit of an air conditioner with reversible blowing according to claim 7, characterized in that:
the contra-rotating fan (4) comprises a first axial flow fan blade (4a) and a second axial flow fan blade (4b), the first axial flow fan blade (4a) and the second axial flow fan blade (4b) are adjacently arranged along the axial direction, and the rotating directions of the first axial flow fan blade (4a) and the second axial flow fan blade (4b) are opposite; during refrigeration, the first axial flow fan blade (4a) rotates towards a first direction, and the second axial flow fan blade (4b) rotates towards a second direction, so that air flow is blown to the first air opening (21) from the second air opening (22); during heating, the first axial flow fan blade (4a) rotates towards a second direction, and the second axial flow fan blade (4b) rotates towards a first direction, so that air flow is blown to the second air opening (22) from the first air opening (21), wherein the first direction is opposite to the second direction.
11. An indoor unit of an air conditioner with reversible blowing according to claim 7 or 10, characterized in that:
the upper part of the air-conditioning shell (2) is of a cylindrical structure, the lower part of the air-conditioning shell is of a polyhedral structure, the upper part is connected with the lower part, the cross section of the polyhedral structure is polygonal, and the second air ports (22) are arranged on at least two side faces of the polyhedral structure.
12. An air conditioner, characterized in that: an indoor unit of an air conditioner including the reversible blowing of any one of claims 1 to 11.
Priority Applications (1)
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| CN201911085895.2A CN110762618A (en) | 2019-11-08 | 2019-11-08 | Machine and air conditioner in air conditioning of reversible air supply |
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| CN201911085895.2A CN110762618A (en) | 2019-11-08 | 2019-11-08 | Machine and air conditioner in air conditioning of reversible air supply |
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| CN112378016A (en) * | 2020-11-13 | 2021-02-19 | 安徽维嵩生产力促进有限公司 | Intelligent air supply system for workshop |
| CN112665130A (en) * | 2020-12-21 | 2021-04-16 | 珠海格力电器股份有限公司 | Control method of air conditioner and air conditioner |
| CN112797486A (en) * | 2020-12-28 | 2021-05-14 | 珠海格力电器股份有限公司 | Air conditioner indoor unit, control method and air conditioner |
| CN112827686A (en) * | 2021-01-13 | 2021-05-25 | 施红龙 | Air current decompression humidification reactor has |
| CN113639315A (en) * | 2021-07-13 | 2021-11-12 | 青岛海尔空调电子有限公司 | Air conditioner and induced air outlet device for air conditioner |
| CN113834147A (en) * | 2021-09-08 | 2021-12-24 | 深圳市英维克科技股份有限公司 | Temperature control device |
| CN114484597A (en) * | 2022-03-30 | 2022-05-13 | 江苏中博物联网科技有限公司 | Air supply device of air conditioner |
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