CN211119672U - 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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- CN211119672U CN211119672U CN201921931548.2U CN201921931548U CN211119672U CN 211119672 U CN211119672 U CN 211119672U CN 201921931548 U CN201921931548 U CN 201921931548U CN 211119672 U CN211119672 U CN 211119672U
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Abstract
The utility model provides a machine and air conditioner in air conditioning of reversible air supply, the machine includes in the air conditioning: 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, and the counter-rotating fan is arranged in the internal air channel; 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. Through the utility model discloses no matter be summer or winter can both accomplish the purpose to indoor improvement air-out area, and refrigerate in summer and realize air-out on the shower formula, heat winter and realize air-out under the carpet formula, realize above-mentioned function simultaneously for indoor human comfort level obtains very big improvement.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner, concretely relates to machine and air conditioner in air conditioning of reversible air supply.
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. 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 among the prior art exists and can't also increase the air-out area, improve the heat transfer effect when realizing air-out, heating air-out down in the refrigeration in summer, winter, consequently not high class of technical problem of indoor comfort level, consequently the utility model discloses the research designs out an air conditioning indoor set and air conditioner of reversible air supply.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the air conditioner among the prior art and can't also increase the air-out area, improve the heat transfer effect when realizing air-out on the refrigeration in summer, heating air-out down winter, results in the defect that indoor comfort level is not high to a machine and air conditioner in the air conditioning of reversible air supply is provided.
The utility model provides an indoor unit of air conditioning of reversible air supply, it includes:
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; 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,
a first heat exchanger and a second heat exchanger are further arranged in the internal air duct, wherein the first heat exchanger is arranged between the counter-rotating fan and the first air port, and the second heat exchanger is arranged between the counter-rotating fan and the second air port;
the first heat exchanger is of a flat plate structure, the axis of a flat plate of the first heat exchanger is obliquely arranged with the axis of the counter-rotating fan, and an oblique included angle different from 0 exists; the second heat exchanger is of a flat plate structure, and the flat plate axis of the second heat exchanger is obliquely arranged with the axis of the counter-rotating fan and has an oblique included angle which is not 0.
Preferably, the first and second electrodes are formed of a metal,
the plate axis of the first heat exchanger is not parallel to the plate axis of the second heat exchanger, and the plate surface of the first heat exchanger is not parallel to the plate surface of the second heat exchanger.
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 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.
Preferably, the first and second electrodes are formed of a metal,
the fan blade assembly is characterized by further comprising a first motor and a second motor, wherein the first motor is electrically connected with the first axial flow fan blade to drive the first axial flow fan blade to rotate, and the second motor is electrically connected with the second axial flow fan blade to drive the second axial flow fan blade to rotate.
Preferably, the first and second electrodes are formed of a metal,
the blade numbers of the first axial flow fan blade and the second axial flow fan blade are prime numbers mutually.
Preferably, the first and second electrodes are formed of a metal,
a guide ring is also arranged in the internal air duct; the electric appliance box I and the electric appliance box II are arranged inside the bottom of the shell, and the bottom of the shell is also provided with a base in a connected mode.
The utility model also provides an air conditioner, it includes preceding arbitrary the air conditioning indoor set of reversible air supply.
The utility model provides a pair of machine and air conditioner have following beneficial effect in air conditioning of reversible air supply:
1. the utility model can realize the air-out from the air port at the upper part by the counter-rotating fan when refrigerating in summer and realize the air-out from the air port at the lower part by the counter-rotating fan when refrigerating in winter 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, and through the arrangement of the flow guide top cover, the first air port can be opened through lifting, and an annular air outlet or an air inlet is formed, so that the area of air flow circulation at the first air port can be effectively increased, thereby effectively improving the heat exchange effect and improving the indoor refrigerating or heating comfort level, and the purpose of improving the indoor heat exchange effect can be achieved in summer and winter, the cooling in summer realizes shower type upper air outlet, the heating in winter realizes carpet type lower air outlet, and the functions are realized, so that the comfort level of indoor human bodies is greatly improved;
2. lie in first wind gap in the inside wind channel and set up first heat exchanger between the cyclone, lie in the second wind gap and set up the second heat exchanger between the cyclone, can make the upstream and downstream side homoenergetic to the cyclone play the heat transfer effect to the air, improve the heat transfer effect, and through first heat exchanger and second heat exchanger all with the mode of arranging to the cyclone slope can further increase heat transfer area for parallel arrangement's mode, the heat transfer is more abundant, refrigeration, the effect of heating is better, the form that distributes from top to bottom not only can increase heat transfer area, the amount of wind is more close when also can making air-out and air-out down, the heat transfer is even.
3. The utility model adopts the counter-rotating axial flow fan blade to effectively increase wind pressure, improve wind quantity and realize remote air 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 whole internal three-dimensional structure of the reversible air supply air-conditioning indoor unit of the present invention;
fig. 2 is a schematic view of the front internal structure of the reversible air supply indoor unit of the air conditioner of the present invention;
fig. 3 is a schematic side view of the inside structure of the reversible air supply indoor unit of the air conditioner of the present invention;
fig. 4 is a schematic structural view of a first axial flow fan blade in the counter-rotating fan of the present invention;
fig. 5 is a schematic structural view of a second axial flow fan blade in the counter-rotating fan of the present invention;
fig. 6 is a schematic structural view of the flow guide top cover of the present invention.
The reference numbers in the figures denote:
1. an air conditioner; 2. a housing; 3. an internal air duct; 4. a counter-rotating fan; 4a, a first axial flow fan blade; 4b, second axial flow fan blades; 4c, a first motor; 4d, a second motor; 5a, a first heat exchanger; 5b, a second heat exchanger; 6. a flow guide ring; 10a, an electrical box I; 10b, an electrical box II; 21. a first tuyere; 22. a second tuyere; 23. a flow guide top cover; 24. a base.
Detailed Description
As shown in fig. 1-6, the utility model provides a machine in reversible air conditioning, it includes:
the air conditioner comprises a 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 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 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.
The utility model can realize the upward air outlet from the air port positioned at the upper part by the counter-rotating fan when refrigerating in summer and realize the downward air outlet from the air port positioned at the lower part by the counter-rotating fan when refrigerating in winter by setting the structural form of the counter-rotating fan and the arrangement of the first air port and the second air port in the internal air duct of the indoor unit of the air conditioner; and 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 in 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 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. 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.
Preferably, the first and second electrodes are formed of a metal,
a first heat exchanger 5a and a second heat exchanger 5b are further arranged in the inner air duct 3, wherein the first heat exchanger 5a is arranged between the counter-rotating fan 4 and the first air port 21, and the second heat exchanger 5b is arranged between the counter-rotating fan 4 and the second air port 22;
the first heat exchanger 5a is of a flat plate structure, the axis of the flat plate of the first heat exchanger is obliquely arranged with the axis of the counter-rotating fan 4, and an oblique included angle different from 0 exists; the second heat exchanger 5b is of a flat plate structure, and the flat plate axis of the second heat exchanger is obliquely arranged with the axis of the counter-rotating fan 4, and an oblique included angle different from 0 exists.
And through arranging the first heat exchanger between the first air port and the counter-rotating fan and the second heat exchanger between the second air port and the counter-rotating fan in the internal air duct, the heat exchange effect on air can be realized on the upper and lower sides of the counter-rotating fan, the heat exchange effect is improved, and the heat exchange area can be further increased by the way that the first heat exchanger and the second heat exchanger are obliquely arranged with the counter-rotating fan relative to the way of parallel arrangement, the heat exchange is more sufficient, the refrigeration and heating effects are better, the form of vertical distribution not only can increase the heat exchange area, but also can make the air quantity when air is discharged from the upper air outlet and the lower air outlet closer, the heat exchange is uniform, the purpose of improving the heat exchange effect indoors can be realized in both summer and winter, the shower type upper air outlet is realized by refrigeration in summer, the carpet type lower air outlet is realized by heating in winter, and the functions, the comfort level of the indoor human body is greatly improved.
A heat exchanger structure is arranged below the flow guide top cover 23, the heat exchanger structure comprises a first heat exchanger 5a and a second heat exchanger 5b, the first heat exchanger 5a and the second heat exchanger 5b are respectively arranged on the upper side and the lower side of the fan assembly, and can fully exchange heat during refrigeration and heating, the first heat exchanger 5a and the second heat exchanger 5b are both of square structures and are obliquely arranged on two sides of an opposite panel so as to increase the heat exchange area, the attached drawing 1 is one of arrangement modes, the first heat exchanger 5a is arranged in the front and at the back, and the second heat exchanger 5 b; put to one side and to increase heat transfer area, it is better to refrigerate, heat the effect, and more level is placed if guarantee that heat transfer area is the same, puts to one side and to place and can make cabinet-type air conditioner circumference size littleer, more pleasing to the eye.
Preferably, the first and second electrodes are formed of a metal,
the plate axis of the first heat exchanger 5a and the plate axis of the second heat exchanger 5b are not parallel, and the plate surface of the first heat exchanger 5a and the plate surface of the second heat exchanger 5b are not parallel. Through set up to the structural style that nonparallel set up and the different face sets up each other with first heat exchanger and second heat exchanger, can produce not equidirectional effect of blockking to the air current that flows to produce very big deceleration action to the fluid, play the heat transfer effect to the air current from a plurality of not equidirectionals, thereby improve heat transfer effect more effectively.
Preferably, the first and second electrodes are formed of a metal,
the first air port 21 is positioned at the top end of the inner air duct 3, and the second air port 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 channel and can be used for exhausting air during refrigeration through the first air port, 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. This is the utility model discloses a to cyclone's preferred structural style, can arrange to the opposite of different fans through two soon, and rotation direction is opposite, realizes the effect towards same direction air-out, improves the air-out ability, makes air-out up when just refrigerating, and the air-out down when 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 fan blade assembly is characterized by further comprising a first motor 4c and a second motor 4d, wherein the first motor 4c is electrically connected with the first axial flow fan blade 4a to drive the first axial flow fan blade 4a to rotate, and the second motor 4d is electrically connected with the second axial flow fan blade 4b to drive the second axial flow fan blade 4b to rotate. The device comprises at least two axial flow fans, a first motor, a second motor, a first axial flow fan blade, a second motor and a fan, wherein the at least two axial flow fans are installed in a mirror image mode and are arranged in an air duct up and down, the first motor and the second motor are respectively connected with the first axial flow fan blade and the second axial flow fan blade and are used for providing power and controlling the rotating directions and the rotating speeds of the first axial flow fan blade and the second axial.
Preferably, the first and second electrodes are formed of a metal,
the first axial flow fan blade 4a and the second axial flow fan blade 4b are prime numbers. The blade numbers of the first axial flow fan blade 4a and the second axial flow fan blade 4b are prime numbers, when the air supply directions are the same, the rotation directions are opposite, and the counter-rotating axial flow fan blade with the structure can further increase the air volume and improve the air supply distance.
Preferably, the first and second electrodes are formed of a metal,
the number of the first axial flow fan blades 4a is 4, and the number of the second axial flow fan blades 4b is 5. This is the utility model discloses a each other is the preferred number of the blade number of prime number's first axial fan blade and second axial fan blade, can further play the effect that improves amount of wind and air supply distance.
Preferably, the first and second electrodes are formed of a metal,
a guide ring 6 is also arranged in the inner air duct 3; the air conditioner is characterized in that a first electric appliance box 10a and a second electric appliance box 10b are arranged inside the bottom of the shell 2, a base 24 is further arranged at the bottom of the shell 2 in a connected mode, the electric appliance boxes are used for controlling the running state of the air conditioner and controlling the first motor, the second rotating direction and the rotating speed, and the base 24 is the same as the shell 2 in shape and used for sealing and stabilizing the gravity center of the air conditioner.
The utility model also provides an air conditioner, it includes preceding arbitrary the air conditioning indoor set with humidification function.
The utility model provides a can realize simultaneously that air-out is gone up to air-out under the air inlet, lower air inlet in the indoor cabinet air conditioner of air-out, be different from the tradition only singly go up or singly go up the air-out or the air conditioner of air-out from top to bottom simultaneously under the air-out, by the requirement of blowing from bottom to top when can satisfying the refrigeration simultaneously and heat, the travelling comfort is higher.
According to the attached figure 1, the utility model mainly comprises an air conditioner outer shell 2, the radial section of which is quadrilateral, and the four corners of which are provided with a fillet structure; the four sides of the upper part of the shell 2 are all provided with first air ports 21 which are square, and in order to increase the air quantity of the air conditioner, the area of the air outlet is increased as much as possible; two side panels at the lower part of the shell 2 are respectively provided with a second air port 22, so that the air outlet area is increased as much as possible, and meanwhile, enough space is ensured to be reserved on the side surfaces when the air conditioner is installed; an air conditioner internal air duct 3 is formed between the first air opening 21 and the second air opening 22; the top of the shell 2 is sealed by a conical flow guide top cover 23, the conical top cover has a good flow guide effect, can effectively collect and guide flow and increase air quantity, and the structure of the conical top cover is shown in figure 5.
The fan assembly comprises a first axial flow fan blade 4a, a second axial flow fan blade 4b, a first motor 4c, a second motor 4d and a flow guide ring 6, wherein the first axial flow fan blade 4a is shown in the attached drawing 4, the blade numbers of the first axial flow fan blade 4a and the second axial flow fan blade 4b are prime numbers, when the air supply directions are the same, the rotating directions are opposite, the counter-rotating axial flow fan blade can achieve the effects of increasing the air volume and improving the air supply distance, in the preferred embodiment, the blade number of the first axial flow fan blade 4a is 4, the blade number of the second axial flow fan blade 4b is 5, the first axial flow fan blade and the second axial flow fan blade are respectively driven by the first motor 4c and the second motor 4d, and the flow guide ring 6 is positioned outside the axial flow fan blades; there are electrical apparatus box 10a, electrical apparatus box two 10b and base 24 casing 2 bottom, the electrical apparatus box is used for controlling the air conditioner running state, controls first motor, second motor direction of rotation and rotational speed, base 24 shape is the same with casing 2 shape for seal and stabilize the air conditioner focus.
When the air conditioner refrigerates, the electrical box controls the first axial flow fan blade 4a and the second axial flow fan blade 4b to supply air to the first air opening 21. Specifically, because the fan subassembly region forms the negative pressure, the air current inhales from second wind gap 22, in proper order through second heat exchanger 5b, fan subassembly, first heat exchanger 5a in inside wind channel 3, and the heat exchanger is abundant after the heat transfer, and cold air is via first wind gap 21 to the air supply all around to reduce ambient temperature, reach refrigeration effect.
When the air conditioner heats, the electrical box controls the first axial flow fan blade 4a and the second axial flow fan blade 4b to supply air to the second air port 22. Specifically, because the fan subassembly region forms the negative pressure, the air current inhales from first wind gap 21, in proper order through first heat exchanger 5a, fan subassembly, second heat exchanger 5b in inside wind channel 3, and the heat exchanger is abundant to exchange the heat after, hot-air is via second wind gap 22 to the air conditioner both sides air supply, does not directly blow the human body, increases the travelling comfort to rising ambient temperature reaches the effect of heating.
1. The shape of the shell 2 can be square, polygon, circle or the combination of the above shapes;
2. the upper and second air ports can adopt other shapes such as round, diamond and annular, and the number of the upper and second air ports can be 2, 3, 4 or more;
3. the first air port 21 and the flow guide top cover 23 can adopt a lifting structure to replace a panel opening mode for air inlet, when the air conditioner operates, the flow guide top cover 23 is lifted to form an annular air inlet (outlet) port, when the air conditioner is closed, the flow guide top cover 23 descends to form a sealing structure with the shell 2, and the hidden air port structure is beneficial to attractiveness;
4. the number of the first axial flow fan blade 4a and the second axial flow fan blade 4b can be the same, the number can be multiple, and when a plurality of axial flow fan blades are included, the rotating directions of at least two fan blades are opposite.
5. The first heat exchanger 5a and the second heat exchanger 5b can be placed on the same side of the shell 2, and the upper and lower positions can be exchanged, and at the same time, only the first heat exchanger or only the second heat exchanger is available.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of 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 (10)
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 a 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 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 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.
2. An indoor unit of an air conditioner with reversible blowing according to claim 1, 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.
3. An indoor unit of an air conditioner with reversible blowing according to claim 1, characterized in that:
a first heat exchanger (5a) and a second heat exchanger (5b) are further arranged in the inner air duct (3), wherein the first heat exchanger (5a) is arranged between the counter-rotating fan (4) and the first air port (21), and the second heat exchanger (5b) is arranged between the counter-rotating fan (4) and the second air port (22);
the first heat exchanger (5a) is of a flat plate structure, the axis of the flat plate of the first heat exchanger and the axis of the counter-rotating fan (4) are obliquely arranged, and an oblique included angle which is not 0 exists; the second heat exchanger (5b) is of a flat plate structure, and the flat plate axis of the second heat exchanger and the axis of the counter-rotating fan (4) are obliquely arranged and have an oblique included angle which is not 0.
4. An indoor unit of an air conditioner with reversible blowing according to claim 3, characterized in that:
the plate axes of the first heat exchanger (5a) and the second heat exchanger (5b) are not parallel to each other, and the plate surface of the first heat exchanger (5a) and the plate surface of the second heat exchanger (5b) are arranged in a non-parallel manner.
5. An indoor unit of an air conditioner with reversible blowing according to any one of claims 1 to 4, 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.
6. An indoor unit of an air conditioner with reversible blowing according to claim 5, 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.
7. An indoor unit of an air conditioner with reversible blowing according to claim 6, characterized in that:
the fan blade assembly is characterized by further comprising a first motor (4c) and a second motor (4d), wherein the first motor (4c) is electrically connected with the first axial flow fan blade (4a) to drive the first axial flow fan blade (4a) to rotate, and the second motor (4d) is electrically connected with the second axial flow fan blade (4b) to drive the second axial flow fan blade (4b) to rotate.
8. An indoor unit of an air conditioner with reversible blowing according to any one of claims 6 to 7, characterized in that:
the blade numbers of the first axial flow fan blade (4a) and the second axial flow fan blade (4b) are prime numbers.
9. An indoor unit of an air conditioner with reversible blowing according to any one of claims 1 to 4, characterized in that:
a guide ring (6) is also arranged in the internal air duct (3); the electric appliance box I (10a) and the electric appliance box II (10b) are arranged inside the bottom of the shell (2), and the bottom of the shell (2) is also provided with a base (24) in a connected mode.
10. An air conditioner, characterized in that: an indoor unit of an air conditioner including the reversible blowing of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921931548.2U CN211119672U (en) | 2019-11-08 | 2019-11-08 | Machine and air conditioner in air conditioning of reversible air supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921931548.2U CN211119672U (en) | 2019-11-08 | 2019-11-08 | Machine and air conditioner in air conditioning of reversible air supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211119672U true CN211119672U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921931548.2U Active CN211119672U (en) | 2019-11-08 | 2019-11-08 | Machine and air conditioner in air conditioning of reversible air supply |
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| Country | Link |
|---|---|
| CN (1) | CN211119672U (en) |
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2019
- 2019-11-08 CN CN201921931548.2U patent/CN211119672U/en active Active
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