CN110966677A - 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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- CN110966677A CN110966677A CN201911085930.0A CN201911085930A CN110966677A CN 110966677 A CN110966677 A CN 110966677A CN 201911085930 A CN201911085930 A CN 201911085930A CN 110966677 A CN110966677 A CN 110966677A
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
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, 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. The invention can achieve the purpose of improving the indoor air outlet area 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. 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.
The air conditioner in the prior art can not realize refrigeration and upper air outlet in summer and heating and lower air outlet in winter, and can also increase the air outlet area and improve the heat exchange effect, so that the indoor comfort degree is not high, and the like.
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 meanwhile, the air outlet area can be increased, the heat exchange effect is improved, and the indoor comfort degree is not high, so that the air conditioner indoor unit and the air conditioner with reversible air supply are provided.
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; 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 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. the invention 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. the first heat exchanger is arranged between the first air port and the counter-rotating fan in the internal air duct, the second heat exchanger is arranged between the second air port and the counter-rotating fan, the heat exchange effect on air can be realized on the upstream side and the downstream side of the counter-rotating fan, the heat exchange effect is improved, the heat exchange area can be further increased relative to the parallel arrangement mode through the inclined arrangement mode of the first heat exchanger and the second heat exchanger and the counter-rotating fan, the heat exchange is more sufficient, the refrigerating and heating effects are better, the heat exchange area can be increased through the up-down distribution mode, the air volume can be closer when the air is blown out from the upper side and the air is blown out from the lower side, and the heat exchange is.
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 whole internal three-dimensional structure of the reversible air supply indoor unit of the air conditioner of the present invention;
FIG. 2 is a schematic view of the front internal structure of the reversible blowing indoor unit of the air conditioner of the present invention;
FIG. 3 is a schematic side view of the inside structure of the reversible blowing indoor unit of the air conditioner of the present invention;
FIG. 4 is a schematic structural diagram of a first axial flow fan blade in the counter-rotating fan of the present invention;
FIG. 5 is a schematic structural diagram 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 deflector cap 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 to 6, the present invention provides an indoor unit of an air conditioner capable of reversible blowing, comprising:
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.
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 the upward air outlet from the air port positioned at the upper part during the refrigeration in summer and realize the downward air outlet from the air port positioned at the lower part during the refrigeration in winter; 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 opening is arranged at the top end of the internal air duct and can be used for exhausting air during refrigeration through the first air opening, 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 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. The preferred number of the first axial flow fan blade and the second axial flow fan blade which are mutually prime in the invention can further play a role in improving the air volume and the 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 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.
According to the attached figure 1, the invention mainly comprises an air conditioner outer shell 2, the radial section of which is quadrilateral, and four corners of which comprise 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 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 (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 1, 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 8, 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 |
|---|---|---|---|
| CN201911085930.0A CN110966677A (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 |
|---|---|---|---|
| CN201911085930.0A CN110966677A (en) | 2019-11-08 | 2019-11-08 | Machine and air conditioner in air conditioning of reversible air supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110966677A true CN110966677A (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911085930.0A Pending CN110966677A (en) | 2019-11-08 | 2019-11-08 | Machine and air conditioner in air conditioning of reversible air supply |
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| CN (1) | CN110966677A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2022193623A1 (en) * | 2021-03-15 | 2022-09-22 | 青岛海尔空调器有限总公司 | Method for controlling humidifying downward air-output air conditioner, and humidifying downward air-out air conditioner |
-
2019
- 2019-11-08 CN CN201911085930.0A patent/CN110966677A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2022193623A1 (en) * | 2021-03-15 | 2022-09-22 | 青岛海尔空调器有限总公司 | Method for controlling humidifying downward air-output air conditioner, and humidifying downward air-out air conditioner |
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