CN110762618B - Air conditioner indoor unit capable of reversibly supplying air and air conditioner - Google Patents
Air conditioner indoor unit capable of reversibly supplying air and air conditioner Download PDFInfo
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- CN110762618B CN110762618B CN201911085895.2A CN201911085895A CN110762618B CN 110762618 B CN110762618 B CN 110762618B CN 201911085895 A CN201911085895 A CN 201911085895A CN 110762618 B CN110762618 B CN 110762618B
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- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 230000002441 reversible effect Effects 0.000 claims abstract description 26
- 238000007664 blowing Methods 0.000 claims description 20
- 238000005057 refrigeration Methods 0.000 claims description 19
- 230000000979 retarding effect Effects 0.000 claims description 11
- 238000004378 air conditioning Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 description 20
- 230000000694 effects Effects 0.000 description 19
- 238000001816 cooling Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 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
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The invention provides a reversible air supply air conditioner indoor unit 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 disrotatory fan, wherein an internal air channel is formed in 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 disrotatory fan is arranged in the internal air channel; and the first air port is also provided with a rotational flow air outlet component which can rotate to convert axial air flow into rotational air flow to be blown out. The invention can fulfill the aim of improving the uniformity of air flow in summer or winter, realizes shower type upper air outlet in summer and carpet type lower air outlet in winter heating, and simultaneously realizes the functions, so that the comfort level of indoor human bodies is greatly improved.
Description
Technical Field
The invention belongs to the technical field of air conditioners, and particularly relates to an air conditioner indoor unit capable of reversibly supplying air and an air conditioner.
Background
The traditional air conditioner structure is generally a lower air inlet and upper air outlet structure, or an upper air inlet and lower air outlet structure, or a rear air inlet and upper and lower air outlet structure, and upward air supply or downward air supply is often realized through an air deflector structure during the transformation of refrigeration and heating working conditions. Among the prior art, the wind gap of cabinet air conditioner all sets up in the side, and the air current flows in the wind channel and can take place the steering, causes the flow loss of air current great, and the wind gap size is fixed, causes the air-out air current to distribute unevenly easily, and the air supply distance scheduling problem is not far away, easily causes cold wind direct blow people in the air conditioner operation in-process, and hot-blast difficult ground scheduling problem causes user experience travelling comfort poor. Some of the disclosed patents have structures capable of simultaneously supplying air up and down, but the structures are limited by a fan and a wind channel, the wind pressure at an outlet is low, and long-distance air supply cannot be realized.
Because the air conditioner in the prior art has the technical problems that the air outlet during cooling in summer and the air outlet during heating in winter can not be realized, the distribution uniformity of the air outlet air flow can be improved, and the like, the invention designs the air conditioner indoor unit and the air conditioner with reversible air supply.
Disclosure of Invention
Therefore, the invention aims to overcome the defect that the air conditioner in the prior art cannot realize air outlet in summer refrigeration and air outlet in winter heating and can improve the uniformity of distribution of air outlet airflow, thereby providing an air conditioner indoor unit and an air conditioner with reversible air supply.
The invention provides a reversible air supply air conditioner indoor unit, which comprises:
the air conditioner comprises a shell, a first air port, a second air port and a disrotatory fan, wherein an internal air channel is formed in 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 disrotatory fan is arranged in the internal air channel; and the first air port is also provided with a rotational flow air outlet component which can rotate to convert axial air flow into rotational air flow to be blown out.
Preferably, the method comprises the steps of,
The rotational flow air outlet assembly comprises rotational flow fan blades and a body, wherein the rotational flow fan blades are arranged on the outer peripheral surface of the body, and the rotational flow fan blades are a plurality of rotational flow fan blades which are arranged at intervals along the circumferential direction of the body.
Preferably, the method comprises the steps of,
The rotational flow fan blade and the body have the same central axis, a flow retarding piece with an arc surface is arranged at one end face of the axis on the body, and/or the blades of the rotational flow fan blade are installed around the central axis at a certain torsion angle, the torsion installation angle of the blades is 30-45 degrees, and the torsion installation angle of the blades is an included angle between the chord length of the blades and the central axis; and/or the number of the blades of the cyclone fan blade is even.
Preferably, the method comprises the steps of,
The indoor unit of the air conditioner further comprises an air outlet shell, the body is fixedly arranged on the air outlet shell, and the air outlet shell is connected with the air conditioner shell.
Preferably, the method comprises the steps of,
The upper inner wall of the air conditioner shell is provided with a supporting part, and the supporting part is connected with the air outlet shell to support the air outlet shell.
Preferably, the method comprises the steps of,
The air outlet shell is in a cylindrical structural form; or the air outlet shell is in a hemispheroidal structure, a hollow cavity is formed in the hemispheroidal body so as to accommodate the rotational flow fan blade and the body therein, and the lower surface of the air outlet shell is a cambered surface so as to be connected with the air conditioner shell.
Preferably, the method comprises the steps of,
The first air port is positioned at the top end of the internal air channel, and the second air port is positioned at the lower part of the internal air channel; when in refrigeration, the first air port is an air outlet, and the second air port is an air inlet; the first air port is an air inlet during heating, and the second air port is an air outlet.
Preferably, the method comprises the steps of,
The position of the first air port is provided with a flow guide top cover, the flow guide top cover can be lifted to open the first air port and can be lowered to close the first air port, and an annular channel allowing airflow to circulate is formed between the flow guide top cover and the first air port when the flow guide top cover is lifted.
Preferably, the method comprises the steps of,
The flow guide top cover is of a cone structure, the lower surface of the flow guide top cover is of a cone surface, and a bus of the cone surface in the longitudinal section is of an arc structure.
Preferably, the method comprises the steps of,
The disrotatory fan comprises a first axial flow fan blade and a second axial flow fan blade, wherein the first axial flow fan blade and the second axial flow fan blade are adjacently arranged along the axial direction, and the rotation directions of the first axial flow fan blade and the second axial flow fan blade are opposite; when in 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 air flow is blown from the second air port to the first air port; 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 blows from the first air port to the second 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 with reversible air supply.
The air conditioner indoor unit and the air conditioner with the reversible air supply function have the following beneficial effects:
1. According to the invention, through the structural form of the counter-rotating fan and the arrangement of the first air opening and the second air opening in the internal air channel of the air conditioner indoor unit, the upper air outlet from the air opening positioned at the upper part can be realized through the counter-rotating fan during cooling in summer, the lower air outlet from the air opening positioned at the lower part can be realized through the counter-rotating fan during heating in winter, and the air flow flowing axially can be accelerated by the swirl blades through the swirl air blade, and meanwhile, the axial flowing air flow generates tangential components, so that the air flow distribution area is wider, the 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 convection and heat exchange of cold and hot air can be enhanced, and the effects of uniform temperature distribution and rapid temperature rise/temperature reduction are realized; meanwhile, through the movable design of the upper cover plate, the size of the air opening can be adjusted according to working conditions, the arc-shaped design of the upper cover plate forms an annular air outlet, the effect of wide-angle air outlet is realized by matching with the rotational flow fan blade, and the reversible air supply effect of air inlet and outlet under the same air duct under the refrigeration working condition and air inlet and outlet under the heating working condition can be realized by carrying the counter-rotating axial flow fan assembly.
2. The invention provides a rotational flow air outlet assembly, which consists of rotational flow fan blades and an annular air outlet cover plate capable of moving up and down, wherein the size of an air outlet can be controlled according to requirements, the rotational flow fan blades can turn axial air flow generated by an axial flow fan into circumferential air flow, so that the energy loss of the air flow 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 a motor to rotate, so that the supercharging acceleration of the air flow of the air outlet is realized, and the air supply distance is increased. The wind resistance of the wind outlet component can be reduced by adopting the flow retarding piece with an arc structure on the windward side of the central shaft of the rotational flow fan blade. The pneumatic noise of blade excitation is reduced by setting the number of the blades of the cyclone fan blade to be 8 or 10 or 12 even number of the blades. The inlet angle of the blades of the fan blade is 30-45 degrees, so that the resistance of the blades to air flow can be reduced.
3. According to the invention, the disrotatory axial flow fan blade is adopted to effectively increase wind pressure, improve wind quantity and realize long-distance air supply; the conical flow guide top cover is positioned at the top of the air conditioner and consists of a cylindrical structure and a conical structure, the cylindrical structure and the shell form a seal, and the conical structure is used for guiding air flow to flow in or flow out from the upper air opening.
Drawings
Fig. 1 is a schematic view showing the overall internal perspective structure of a reversible air-blowing air-conditioning indoor unit according to embodiment 1 of the present invention;
fig. 2 is an exploded view of a cyclone air outlet assembly in an indoor unit of a reversible air conditioner according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of the swirl blades and the body portion in the swirl air outlet assembly in the reversible air supply indoor unit of the air conditioner according to embodiment 1 of the present invention;
fig. 4 is a schematic airflow diagram in a cooling mode of a reversible air-blowing indoor unit of an air conditioner according to embodiment 1 of the present invention;
fig. 5 is a schematic airflow diagram in a heating mode of a reversible air-blowing indoor unit of an air conditioner according to embodiment 1 of the present invention;
fig. 6 is a schematic view showing the overall internal perspective structure of a reversible-air-blowing indoor unit of an air conditioner according to embodiment 2 of the present invention;
Fig. 7 is an exploded view of a cyclone air outlet module in an indoor unit of a reversible air conditioner according to embodiment 2 of the present invention;
Fig. 8 is a schematic structural diagram of the assembled swirl air outlet assembly inside the reversible air-blowing indoor unit of the air-conditioning according to embodiment 2 of the present invention;
Fig. 9 is a schematic airflow diagram in a cooling mode of a reversible-air-blowing indoor unit of an air conditioner according to embodiment 2 of the present invention;
Fig. 10 is a schematic airflow diagram in a heating mode of a reversible air-blowing indoor unit of an air conditioner according to embodiment 2 of the present invention;
Fig. 11 is a schematic diagram of airflow streamlines at the outlet of a cyclone air outlet assembly of a reversible air-conditioning indoor unit according to the present invention.
The reference numerals in the drawings are as follows:
1. An air conditioner; 2. an air-conditioning case; 3. an internal air duct; 4. a disrotatory fan; 4a, a first axial flow fan blade; 4b, second axial flow fan blades; 5. a swirl air outlet component; 51. swirl fan blades; 52. a body; 53. an air outlet shell; 6. a support part; 7. a motor; 8. a flow retarding piece; 21. a first tuyere; 22. a second tuyere; 22a, a second tuyere I; 22b, a second tuyere; 23. and a diversion top cover.
Detailed Description
As shown in fig. 1 to 11, the present invention provides an air conditioning indoor unit for reversible air blowing, comprising:
The air conditioner comprises an air conditioner shell 2, a first air port 21, a second air port 22 and a disrotatory fan 4, wherein an internal air channel 3 is formed in 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 disrotatory fan 4 is arranged in the internal air channel 3; the first air port 21 is located at the top end of the internal air duct 3, and a cyclone air outlet assembly 5 is further disposed at the first air port 21, and the cyclone air outlet assembly 5 can rotate to convert axial airflow into rotary airflow to be blown out.
According to the invention, through the structural form of the counter-rotating fan and the arrangement of the first air opening and the second air opening in the internal air channel of the indoor unit of the air conditioner, the upper air outlet from the air opening positioned at the upper part can be realized through the counter-rotating fan during cooling in summer, the lower air outlet from the air opening positioned at the lower part can be realized through the counter-rotating fan during heating in winter, and the air flow flowing axially can be accelerated by the swirl blades through the swirl air blade, meanwhile, the airflow flowing axially generates tangential components, so that the airflow distribution area is wider, the air outlet airflow is more uniform, the energy loss of the airflow at the air outlet is reduced, the air supply distance is larger, the airflow space flowing range is large, the convection and heat exchange of cold and hot air can be enhanced, and the effects of uniform temperature distribution and rapid temperature rise/temperature reduction are realized.
Preferably, the method comprises the steps of,
The rotational flow air outlet assembly 5 comprises rotational flow fan blades 51 and a body 52, wherein the rotational flow fan blades 51 are arranged on the outer circumferential surface of the body 52, and the rotational flow fan blades 51 are a plurality of rotational flow fan blades 51 which are arranged at intervals along the circumferential direction of the body 52. The cyclone air outlet assembly is in a preferable structural form, rotation can be effectively realized through the cyclone fan blades and the body, and the airflow flowing through the axial flow direction is rotated to be blown out along the circumferential direction (including the circumferential direction and the axial direction to form oblique upward or oblique downward blowing), so that the blowing range is effectively enlarged, and the uniformity of the airflow is improved.
Preferably, the method comprises the steps of,
The rotational flow fan blade 51 and the body 52 have the same central axis, and a flow retarding piece 8 with an arc surface is arranged at one end face of the axis on the body 52, and/or the rotational flow fan blade 51 is installed around the central axis at a certain torsion angle, the torsion installation angle of the blade is 30-45 degrees, and the torsion 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 cyclone blade 51 is an even number. The wind resistance of the wind outlet component can be reduced and the uniformity of the air flow can be improved by adopting the flow retarding piece with an arc-shaped structure on the windward side of the central shaft of the cyclone fan blade. The 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 or 10 or 12 even blades, preferably 8 blades are installed around the central shaft at a certain twist angle, the blade angle theta is 30-45 degrees, and the blade angle is an included angle of the axis of the residual central shaft of the blade; the wind facing side of the central shaft is provided with a flow retarding piece with an arc structure, the flow retarding piece is connected with the central shaft, the cone angle of the flow retarding piece is 45 degrees, the flow equalizing effect on the air flow can be improved, the flow retarding piece can reduce the impact of the air flow on the central shaft of the fan blade, and meanwhile, the flow retarding piece can play a role in guiding the air flow into the fan blade; the blade angle theta is 30-45 degrees, so that the resistance of the blade to the air flow can be reduced, the flow equalizing effect on the air flow is further improved, and the diffusion effect of the air flow is improved; the pneumatic noise of blade excitation is reduced by arranging the number of the blades of the cyclone fan blade to be 8, 10 or 12 even number of the blades
Preferably, the method comprises the steps of,
The indoor unit of the air conditioner further comprises an air outlet shell 53, the body 52 is fixedly arranged on the air outlet shell 53, and the air outlet shell 53 is connected with the air conditioner shell 2. The cyclone blade and the body can form a supporting function through the air outlet shell.
Preferably, the method comprises the steps of,
The upper inner wall of the air conditioning case 2 is provided with a supporting part 6, and the supporting part 6 is connected with the air outlet case 53 to support the air outlet case 53. The supporting part is preferably a step structure arranged on the inner wall of the air conditioner shell 2, and the air outlet shell is abutted against the step structure. The supporting part can form effective supporting, positioning and fixing functions on the air outlet shell.
Preferably, the method comprises the steps of,
Example 1, see figures 1-5,
The air outlet shell 53 is in a cylindrical structure, and a hollow cavity is formed in the cylindrical body to accommodate the cyclone blades and the body therein;
Example 2, see figures 6-10,
Or the air outlet shell 53 is in a hemispheroidal structure, the lower surface of the air outlet shell 53 is an arc surface, and the lower surface of the air outlet shell is an arc surface so as to be connected with the air conditioner shell.
Preferably, the method comprises the steps of,
The first tuyere 21 is provided with a deflector cap 23 at a position where the deflector cap 23 can be lifted to open the first tuyere 21 and can be lowered to close the first tuyere 21, and an annular channel allowing air flow to circulate is formed between the deflector cap 23 and the first tuyere 21 when lifted. Meanwhile, through the movable design of the upper cover plate (namely the flow guide top cover), the size of the air opening can be adjusted according to working conditions, the arc-shaped design of the upper cover plate forms an annular air outlet, the effect of wide-angle air outlet is realized by matching with the rotational flow fan blade, and the reversible air supply effect of the upper inlet and the lower outlet of the air flow under the refrigeration working condition and the upper inlet and the lower outlet of the air flow under the heating working condition of the same air channel can be realized by carrying the counter-rotating axial flow fan assembly.
Through the setting of water conservancy diversion top cap, can open first wind gap through rising, and form annular air outlet or air intake, can increase the area of the air current circulation in first wind gap department effectively, thereby promote the heat transfer effect effectively, promote indoor refrigeration or heat comfort level, make whether in summer or winter can accomplish the purpose to indoor improvement heat transfer effect, and the refrigeration in summer realizes the shower and goes up the air-out, heats and realize the carpet formula down the air-out winter, realize above-mentioned function simultaneously, make indoor human comfort level obtain very big improvement.
Preferably, the method comprises the steps of,
The flow guide top cover 23 is of a cone structure, the lower surface of the flow guide top cover 23 is of a cone surface, and a bus of the cone surface in the longitudinal section is of an arc structure; and/or the diversion top cover 23 is also connected with a motor 7. The conical flow guide top cover is positioned at the top of the air conditioner and consists of a cylindrical structure and a conical structure, the cylindrical structure and the shell form a seal, and the conical structure is used for guiding air flow to flow in or flow out from the upper air opening. The air outlet area can be increased, the air flow can be effectively guided towards the periphery, the large-range flow of indoor air flow is promoted, the air outlet range is increased, and the refrigerating and heating effects are improved.
The guide top cover 23 is a circular arc end surface and rotates along the circumferential direction to form an annular air outlet, the 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, so that pushing out and retracting movement of the upper top cover can be realized, when the air conditioner is started, the linear push rod motor pushes out the upper top cover to enable the annular air outlet to be in an open state, when the air conditioner is closed, the linear push rod motor pulls back the upper top cover to reset, the air outlet is ensured to be in a closed state, other sundries such as dust are prevented from entering an air duct, meanwhile, the position of the upper top cover can be adjusted in real time according to working condition requirements, and therefore, the size of the annular air outlet is changed, the air quantity of the air conditioner is controlled in a proper range, and the use comfort of a user is improved; and 52 is a rotational flow fan blade.
Preferably, the method comprises the steps of,
The second air port 22 is positioned at the lower part of the internal air duct 3; during refrigeration, the first air port 21 is an air outlet, and the second air port 22 is an air inlet; the first air port 21 is an air inlet and the second air port 22 is an air outlet during heating. The first air port is arranged at the top end of the internal air channel, and can be used for air outlet 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; through the air-out when heating of the second wind gap that is located the lower part, can form the carpet formula air supply of heating, improve indoor heating air supply area, improve the comfort level of heating.
Preferably, the method comprises the steps of,
The disrotatory 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 rotation 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 in a first direction, and the second axial flow fan blade 4b rotates in a second direction, so that air flows from the second air port 22 to the first air port 21; during heating, the first axial flow fan blade 4a rotates in a second direction, and the second axial flow fan blade 4b rotates in a first direction, so that air flows from the first air port 21 to the second air port 22, wherein the first direction is opposite to the second direction.
The invention is a preferable structural form of the disrotatory fan, and can realize the effect of air outlet in the same direction by opposite arrangement of two fans with different rotation directions and opposite rotation directions, thereby improving the air outlet capacity, and enabling the air outlet to be upward during refrigeration and downward during heating.
① After the refrigerating mode is started, under the action of the fan, indoor air enters from the lower part, passes through the heat exchanger and then is discharged from the air outlet at the upper part, so that refrigerating waterfall type air supply is realized. ② Only the fan system is started, the air conditioner compressor is closed, indoor air enters from the lower part and is sent out from the upper part after passing through the moisture absorption device, so that the cooling and humidification of the indoor air can be realized, the effect of a cooling fan is achieved, and the energy-saving effect is achieved. ③ When the air conditioner is in an opening heating mode, the fan is reversed, indoor air enters from the upper part under the action of the fan, after heat exchange of the heat exchanger, humidification is completed through the water absorption device (wet film), and then air is discharged from the air outlet at the lower side, so that carpet type air supply during air conditioning heating is realized, meanwhile, the relative humidity of the air can be ensured, and the comfort of the environment is improved.
Preferably, the method comprises the steps of,
The upper part of the air conditioner shell 2 is of a cylindrical structure, the lower part of the air conditioner shell is of a polyhedral structure, the upper part of the air conditioner shell is connected with the lower part of the air conditioner shell, the cross section of the polyhedral structure is polygonal, and the second air openings 22 are formed in at least two side surfaces of the polyhedral structure.
The air conditioner shell is in a preferable structural form, and the air outlet effect along the peripheral direction can be formed at the top end of the air conditioner shell through the structure of the upper cylinder structure matched with the diversion top cover and the rotational flow air outlet assembly at the first air port, so that the air flow uniformity and the air outlet range are improved; the second air port is arranged on at least two side surfaces of the polygonal structure, so that the air inlet or air outlet of the second air port can be improved, and the heat exchange effect is improved.
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 simultaneously realizing upper air inlet, lower air outlet and upper air outlet, which is different from the traditional air conditioner with only single upper air outlet, single lower air outlet or simultaneous upper air outlet and lower air outlet, 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.
3 Is a straight cylinder type air outlet shell (embodiment 1) or a hemispherical air outlet shell (embodiment 2), 2 is an air conditioner shell, the upper section of the shell is a cylinder type lower section of the shell is of a square structure, the upper section of the cylinder type shell is matched with a disrotatory axial flow fan, the size of the whole machine can be reduced to a certain extent, the lower end of the cylinder type shell adopts a square shell, the area of a heat exchanger can be increased, and meanwhile, the arrangement of a lower air inlet is facilitated; 22a is left air outlet, 22b is right air outlet, 4a is first axial fan blade, 4b is second axial fan blade, upper and lower axial fan blade forms disrotatory axial fan blade, can realize positive and negative rotation, and 7 is the motor of sharp push rod, and the motion of control top cap is 8 is curved slow flow spare, installs in the windward side of whirl fan blade, plays drainage and reduces the effect of resistance.
Fig. 2 and 7 are exploded views of a swirl air outlet assembly, when the air conditioner is used for air outlet from the upper part of air inlet at the lower part, air flow with higher upward axial velocity is generated for the swirl air flow, the air flow can drive the swirl fan blade to rotate after flowing through the swirl air outlet assembly, the high-speed axial air flow can be induced to generate tangential velocity air quantity under the guiding action of the swirl fan blade, uniform spiral air flow is generated under the condition of minimum air flow energy loss, the problem that the air flow directly blows people is avoided because the velocity vector of the spiral air flow in one direction is not too large, meanwhile, the swirl fan blade can rotate under the driving of a motor, the air flow at the air outlet can be pressurized and accelerated, and the air supply distance of the outlet air flow is increased.
In fig. 4 and 9, the airflow structure flow is schematically shown in the refrigeration condition. When the air conditioner is used for refrigerating, as shown by arrows in fig. 4 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 the lower air port and is subjected to heat exchange with the heat exchanger, and then flows through the upper cyclone air outlet assembly to be blown out, after the pressurization of the cyclone fan blades is accelerated, cold air blown out by the cabinet air conditioner can be conveyed to a longer distance, after the airflow is guided by the cyclone fan blades, the airflow velocity in all directions is more uniform, the direct blowing of the cold air is avoided, meanwhile, the cyclone air outlet assembly changes the size of the air outlet, the air supply range of the air port is wider, the convection and heat exchange of the airflow are enhanced, the rapid refrigerating is realized, and the comfort is improved.
In fig. 5 and 10, a schematic flow diagram of the air flow structure in the heating condition is shown. When the air conditioner heats, as shown by the arrow in fig. 10, the fan driving component controls the rotating axial flow fan to rotate, so that the air flow is fed in and discharged out from the top, at the moment, the rotational flow air outlet component can change the original rotation direction, the suction force of the air opening is increased, more air at the air upper air opening enters the cabinet air conditioner and is subjected to heat exchange with the heat exchanger, and then the air is blown out from the air opening at the lower part of the cabinet air conditioner, so that the effects of increasing the air quantity and improving the heat exchange efficiency are achieved.
The number of the blades of the guide fan blade in the invention can be more than 8 or less than 8, and the blade angle can be less than 30 degrees or more than 45 degrees. The cyclone outlet components can be arranged at the upper air port or the lower air port, and the lower branch port can be provided with one group of cyclone outlet components or a plurality of groups of cyclone outlet components. The shell structure form can be a cylinder, a cuboid, a cube, a combination form of the cylinder and the cuboid or the cylinder and the cube, and the like.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention. The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (9)
1. An air conditioner indoor unit capable of reversibly supplying air is characterized in that: comprising 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 in 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); the first air port (21) is further provided with a cyclone air outlet component (5), the cyclone air outlet component (5) can rotate under the drive of air flow, when the second air port (22) is used for air inlet of the first air port (21), the cyclone air outlet component (5) can convert axial air flow into rotary air flow to be blown out, and when the first air port (21) is used for air inlet of the second air port (22), the cyclone air outlet component (5) can enlarge the suction force of the first air port (21);
the rotational flow air outlet assembly (5) comprises rotational flow fan blades (51) and a body (52), wherein the rotational flow fan blades (51) are arranged on the outer circumferential surface of the body (52), and the rotational flow fan blades (51) are a plurality of rotational flow fan blades (51) which are arranged at intervals along the circumferential direction of the body (52);
The swirl fan blade (51) and the body (52) have the same central axis, a flow retarding piece (8) with an arc surface is arranged at one end face of the axis on the body (52), and/or a blade of the swirl fan blade (51) is installed 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 an included angle between the chord length of the blade and the central axis; and/or the number of the blades of the cyclone fan blades (51) is even;
The indoor unit of the air conditioner further comprises an air outlet shell (53), the body (52) is fixedly arranged on the air outlet shell (53), and the air outlet shell (53) is connected with the air conditioner shell (2).
2. The reversible air-blowing indoor unit of air conditioner according to claim 1, wherein:
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).
3. The reversible air-blowing indoor unit of air conditioner according to claim 1, wherein:
The air outlet shell (53) is in a structural form of a cylinder, and a hollow cavity is formed in the cylinder to accommodate the rotational flow fan blade and the body; or the air outlet shell (53) is in a hemispherical structure, the lower surface of the air outlet shell (53) is an arc surface, and the lower surface of the air outlet shell is an arc surface so as to be connected with the air conditioner shell.
4. A reversible air-blowing indoor unit of an air conditioner according to any one of claims 1-3, wherein:
The first air port (21) is positioned at the top end of the internal air channel (3), and the second air port (22) is positioned at the lower part of the internal air channel (3); during refrigeration, the first air opening (21) is an air outlet, and the second air opening (22) is an air inlet; the first air opening (21) is an air inlet during heating, and the second air opening (22) is an air outlet.
5. The reversible air-blowing indoor unit of claim 4, wherein:
the position of the first air opening (21) is provided with a flow guide top cover (23), the flow guide top cover (23) can be lifted to open the first air opening (21) and can be lowered to close the first air opening (21), and an annular channel allowing airflow to circulate is formed between the flow guide top cover (23) and the first air opening (21) when the flow guide top cover (23) is lifted.
6. The reversible air-blowing indoor unit of air conditioner according to claim 5, wherein:
The flow guide top cover (23) is of a cone structure, the lower surface of the flow guide top cover (23) is of a cone surface, and a bus of the cone surface in the longitudinal section is of an arc structure; and/or the diversion top cover (23) is also connected with a motor (7).
7. The reversible air-blowing indoor unit of claim 4, wherein:
The disrotatory fan (4) comprises a first axial flow fan blade (4 a) and a second axial flow fan blade (4 b), the first axial flow fan blade (4 a) and the second axial flow fan blade (4 b) are arranged adjacently along the axial direction, and the rotation directions of the first axial flow fan blade (4 a) and the second axial flow fan blade (4 b) are opposite; during refrigeration, the first axial flow fan blade (4 a) rotates in a first direction, and the second axial flow fan blade (4 b) rotates in a second direction, so that air flow blows from the second air port (22) to the first air port (21); during heating, the first axial flow fan blade (4 a) rotates towards a second direction, and the second axial flow fan blade (4 b) rotates towards a first direction, so that air flow blows from the first air port (21) to the second air port (22), wherein the first direction is opposite to the second direction.
8. The reversible air-blowing indoor unit of claim 4, wherein:
The upper part of the air conditioner shell (2) is of a cylindrical structure, the lower part of the air conditioner shell is of a polyhedral structure, the upper part of the air conditioner shell is connected with the lower part of the air conditioner shell, the cross section of the polyhedral structure is polygonal, and the second air openings (22) are formed in at least two side faces of the polyhedral structure.
9. An air conditioner, characterized in that: an air conditioning indoor unit comprising the reversible air supply of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911085895.2A CN110762618B (en) | 2019-11-08 | Air conditioner indoor unit capable of reversibly supplying air and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911085895.2A CN110762618B (en) | 2019-11-08 | Air conditioner indoor unit capable of reversibly supplying air and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110762618A CN110762618A (en) | 2020-02-07 |
| CN110762618B true CN110762618B (en) | 2024-07-02 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211119673U (en) * | 2019-11-08 | 2020-07-28 | 珠海格力电器股份有限公司 | Machine and air conditioner in air conditioning of reversible air supply |
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211119673U (en) * | 2019-11-08 | 2020-07-28 | 珠海格力电器股份有限公司 | Machine and air conditioner in air conditioning of reversible air supply |
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