CN117287753B - Air supply assembly and air conditioner - Google Patents

Air supply assembly and air conditioner Download PDF

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Publication number
CN117287753B
CN117287753B CN202311576489.2A CN202311576489A CN117287753B CN 117287753 B CN117287753 B CN 117287753B CN 202311576489 A CN202311576489 A CN 202311576489A CN 117287753 B CN117287753 B CN 117287753B
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CN
China
Prior art keywords
air
fan blade
fresh air
fresh
component
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Application number
CN202311576489.2A
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Chinese (zh)
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CN117287753A (en
Inventor
徐子旺
陈阳城
孟宪运
赵云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202311576489.2A priority Critical patent/CN117287753B/en
Publication of CN117287753A publication Critical patent/CN117287753A/en
Application granted granted Critical
Publication of CN117287753B publication Critical patent/CN117287753B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0035Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0011Indoor units, e.g. fan coil units characterised by air outlets
    • F24F1/0014Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0018Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0025Cross-flow or tangential fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0071Indoor units, e.g. fan coil units with means for purifying supplied air
    • F24F1/0073Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22Means for preventing condensation or evacuating condensate
    • F24F13/222Means for preventing condensation or evacuating condensate for evacuating condensate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention provides an air supply assembly and an air conditioner, wherein the air supply assembly comprises a main air module and a fresh air module; the main air module comprises a first driving unit, a fan blade and an air channel component, wherein the fan blade is arranged between the air inlet and the air outlet, and the middle part of the fan blade forms an airflow space; the fresh air module comprises a fresh air pipe and a ventilation part, the ventilation part comprises a fresh air inlet and a fresh air outlet, and the fresh air pipe is in butt joint with the fresh air inlet; the air duct component is provided with a first air flow port; the fan blade is a through-flow centrifugal fan blade, and a second air flow port is arranged at the second axial end of the fan blade; the fresh air outlet is communicated to the air flow space through the first air flow port and the second air flow port in sequence. The air conditioner comprises the air supply assembly. Fresh air enters the airflow space from the second axial end of the through-flow centrifugal fan blade, is mixed with cold air or warm air and subjected to heat exchange, and is finally sent out from the same air blowing port of the air conditioner shell, so that cool air or warm air with fresh air and uniform and comfortable in temperature is sent out, and the comfort of ventilation fresh air is improved.

Description

Air supply assembly and air conditioner
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air supply assembly with a ventilation function and an air conditioner.
Background
People have higher and higher health requirements on indoor environments, so that many air conditioning products with ventilation system functions are arranged, and the main function of the air conditioning products is to introduce outdoor fresh air into the indoor environment.
The fresh air conditioner comprises a main air module and a fresh air module, wherein the main air module comprises an air channel component and a main fan, the main fan comprises a motor and a through-flow fan blade, the air channel component comprises an air inlet and an air outlet, the motor drives the fan blade to rotate from a first axial end of the through-flow fan blade, the fan blade is arranged between the air inlet and the air outlet, and the air outlet of the air channel component is opposite to an air supply outlet on the front side of the air conditioner body. The fresh air module comprises a fresh air pipe and a ventilation part, the ventilation part is arranged in the air conditioner, one end of the fresh air pipe extends out of the air chamber through a wall body, and the other end of the fresh air pipe extends into the air conditioner and is in butt joint with a fresh air inlet of the ventilation part. The ventilation part comprises a ventilation fan, and a fresh air outlet of the ventilation part faces to a fresh air outlet on the front side of the air conditioner body. Therefore, the main air module can realize refrigeration or heating air supply through the heat exchanger, and the fresh air module can suck outdoor fresh air and send the outdoor fresh air into a room to realize ventilation. In order to reduce the investment of a driving motor, the cross-flow reducing fan blade and the ventilation fan blade of the existing fresh air conditioner are coaxially connected and driven by the same motor.
However, when the existing fresh air conditioner ventilates, the fresh air outlet and the air supply port are mutually independent, the fresh air cannot exchange heat with the air supply air flow, and the blown fresh air can generate temperature difference with the indoor air supply air flow, so that uncomfortable body feeling is easily caused.
Disclosure of Invention
A first object of the present invention is to provide an air blowing assembly capable of mixing and blowing air and fresh air to enhance the comfort of blowing air.
A second object of the present invention is to provide a fresh air conditioner capable of mixing and blowing air and fresh air to enhance the comfort of blowing.
The air supply assembly provided by the first object of the invention comprises a main air module and a fresh air module; the main air module comprises a first driving unit, a fan blade and an air duct component, the air duct component comprises an air inlet and an air outlet, the first driving unit drives the fan blade to rotate from a first axial end of the fan blade, the fan blade is arranged between the air inlet and the air outlet, and an air flow space is formed in the fan blade; the fresh air module comprises a fresh air pipe and a ventilation part, the ventilation part comprises a fresh air inlet and a fresh air outlet, and the fresh air pipe is in butt joint with the fresh air inlet; the air duct component is provided with a first air flow port; the fan blade is a through-flow centrifugal fan blade, and a second air flow port is arranged at the second axial end of the fan blade; the fresh air outlet is communicated to the air flow space through the first air flow port and the second air flow port in sequence, the air duct member is provided with a surrounding structure, and the surrounding structure surrounds the periphery of the first air flow port; the surrounding structure comprises a first peripheral wall, the ventilation component is provided with a first pipe wall surrounding the fresh air outlet, and the first peripheral wall is in butt joint with the first pipe wall; and/or the surrounding structure comprises a second peripheral wall, a third peripheral wall surrounding the second airflow port is arranged at the second axial end, and the second peripheral wall and the third peripheral wall are mutually sleeved.
The centrifugal fan blade is characterized in that the centrifugal fan blade comprises a first axial end and a second axial end, wherein the first axial end is connected with the centrifugal fan blade, the second axial end is connected with the centrifugal fan blade, and the second axial end is connected with the centrifugal fan blade. The invention also makes the fresh air outlet of the ventilation part of the fresh air module face the second axial end of the through-flow fan blade, when the motor drives the through-flow fan blade to rotate, the air flow entering the through-flow fan blade can be transversely induced to perform heat exchange with the heat exchanger to form cold air or warm air, and meanwhile, the air flow can be induced in the axial direction, after sequentially passing through the fresh air pipe, the ventilation part and the air duct component, the outdoor fresh air enters the air flow space from the second axial end of the through-flow fan blade, is mixed with the cold air or warm air and is subjected to heat exchange, and finally is sent out from the same air blowing port of the air conditioner shell, so that the cold air or the warm air with the fresh air, which is uniform and comfortable in temperature, is ensured, and the discomfort caused by the temperature difference caused by the fact that the fresh air and the blowing air are independently separated and sent out to the air in the background technology is avoided, and the comfort of the ventilation fresh air is improved. In addition, the bottom of the air duct component is positioned between the fan blade and the ventilation component, so that not only is the communication of air flow ensured, but also the air tightness between the components is ensured. Therefore, the invention forms a surrounding structure at the periphery of the first air flow port of the air duct component, the first peripheral wall on the surrounding structure can be in sealing butt joint with the first pipe wall at the fresh air outlet of the air exchange component, and/or the second peripheral wall on the surrounding structure can be in sleeve joint with the third peripheral wall at the second axial end of the fan blade, and the sleeve joint mode with a gap can avoid fresh air leakage as far as possible on the premise of ensuring the rotation freedom degree of the fan blade due to the rotation of the fan blade.
Still further, the enclosure structure includes a first perimeter wall and a second perimeter wall; the inner diameter of the second peripheral wall is smaller than that of the first peripheral wall, and the surrounding structure comprises a guide surface which is connected between the inner wall surface of the first peripheral wall and the inner wall surface of the second peripheral wall.
From the above, for assembly requirements, there is an inner diameter difference between the first peripheral wall and the second peripheral wall, and the inner avoidance of the two will cause obstruction to fresh air flow if the two are transited in a stepwise manner. Therefore, the invention sets the guide surface between the inner wall surface of the first peripheral wall and the inner wall surface of the second peripheral wall, the guide surface can be an inclined surface or an arc surface, the air flow is better guided, the obstruction is reduced, the flow speed and the flow quantity are improved, and the ventilation effect is ensured.
The air supply assembly further comprises a second water receiving disc, wherein the second water receiving disc comprises a mounting through hole and a second pipe wall surrounding the mounting through hole; the second water pan is arranged between the ventilation component and the air duct component, and the first peripheral wall is in butt joint with the first pipe wall through the second pipe wall.
As can be seen from the above, in addition to providing a water tray directly below the heat exchanger, a second, larger water tray is typically provided directly below the fan module, with the second water tray being located below the air duct member and above the ventilation component. Therefore, the second water receiving disc is provided with the mounting through hole and the second tube wall, the second tube wall not only serves as a connecting part to realize sealing butt joint between the first tube wall and the first peripheral wall of the ventilation part, but also ensures that fresh air is conveyed smoothly.
In addition, the air duct component comprises a shaft sleeve seat and a first supporting structure, the first supporting structure is connected between the surrounding structure and the shaft sleeve seat, and the shaft sleeve seat is supported at the rotating shaft center of the fan blade by the first supporting structure; and/or the second axial end comprises a second supporting structure and a rotating shaft, the second axial end comprises an outer frame surrounding the second airflow port, the second supporting structure is connected between the outer frame and the rotating shaft, and the rotating shaft is supported at the rotating shaft center of the fan blade by the second supporting structure.
Therefore, the sectional areas of the first air flow port and the second air flow port are as large as possible, and therefore, the first support structure and/or the second support structure similar to the radial shape are arranged, and the shaft sleeve seat and the rotating shaft can be stably and reliably fixed at the shaft center on the premise of increasing the sectional areas of the first air flow port and/or the second air flow port as much as possible.
In a still further aspect, the air duct member includes an air duct member and a first water pan connected to each other; the wind channel spare sets up first arc structure, and first water collector sets up the second arc structure, and first arc structure and second arc structure splice and form the surrounding structure.
From the above, the air duct component of the invention comprises the mounting bracket of the heat exchanger and the first water receiving tray positioned right below the heat exchanger. The mode that the surrounding structure is formed by splicing the first arc-shaped structure and the second arc-shaped structure is favorable for simplifying the structure of the air duct component.
In another further aspect, the ventilation component includes a valve assembly disposed within the ventilation component and positioned between the fresh air inlet and the fresh air outlet.
In a further aspect, the valve assembly includes a second drive unit and a baffle sequentially connected; an air flow channel is formed in the ventilation component and is positioned between the fresh air inlet and the fresh air outlet; the second driving unit can drive the baffle plate to swing between a first position for shielding the airflow channel and a second position for opening the airflow channel.
As can be seen from the above, the ventilation mode is enabled and disabled by controlling the valve assembly. In a more preferable scheme, the motor drives the baffle to swing so as to open and close the airflow channel, and the design is simple and the control is facilitated.
The second object of the present invention is to provide an air conditioner including the above-mentioned air supply assembly.
According to the scheme, the conventional through-flow fan blade is opened at the end and the angle of the fan blade is adjusted to realize centrifugation, when the through-flow fan blade rotates, air can be blown from the second axial end and blown transversely, meanwhile, the conventional transverse air blowing is still kept by the through-flow centrifugal fan blade, the fresh air outlet of the air exchanging component of the fresh air module is opposite to the second axial end of the through-flow fan blade, when the through-flow fan blade is driven by a motor to rotate, the air flow entering the through-flow fan blade and the heat exchanger can be subjected to heat exchange to form cold air or warm air, and meanwhile, after the outdoor fresh air sequentially passes through the fresh air pipe, the air exchanging component and the air channel component, the outdoor fresh air enters the air flow space from the second axial end of the through-flow fan blade, is mixed with the cold air or the warm air and is thermally interacted, and finally blown from the same air blowing port of the air conditioner shell, so that uniform and comfortable fresh air or warm air with temperature is guaranteed, and the temperature difference caused by the fact that fresh air and air is led to the air flow is separated independently from the air blowing in the background technology is avoided, and the comfort of ventilation is improved.
The ventilation component comprises a filter piece, wherein the filter piece is arranged in the ventilation component and is positioned between the fresh air inlet and the fresh air outlet.
From the above, the filter element can effectively filter fresh air dust and ensure the clean of fresh air.
In a further scheme, the air conditioner comprises a shell component, wherein the shell component is provided with a detachable door plate; the ventilation component comprises a volute component, the volute component comprises a mounting position and a mounting port of the mounting position, and the filter element is arranged in the mounting position; the door plate is opposite to the mounting opening.
From the above, the setting user can conveniently open the door plate to clean the filter element by changing.
Drawings
Fig. 1 is a structural view of an embodiment of an air conditioner of the present invention.
Fig. 2 is a structural exploded view of an embodiment of the air conditioner of the present invention.
Fig. 3 is a block diagram of a heat exchanger assembly in an embodiment of the air conditioner of the present invention.
Fig. 4 is an exploded view of a heat exchanger assembly in an embodiment of the air conditioner of the present invention.
Fig. 5 is a block diagram of a first water pan in an embodiment of the air conditioner of the present invention.
Fig. 6 is a top view of a first drip tray in an embodiment of the air conditioner of the present invention.
Fig. 7 is an exploded view of a fan assembly in an embodiment of the air conditioner of the present invention.
Fig. 8 is a block diagram of a through-flow centrifugal fan blade in an embodiment of the present invention.
Fig. 9 is a block diagram of a duct member in an embodiment of an air conditioner according to the present invention.
Fig. 10 is a bottom view of a duct member in an embodiment of an air conditioner according to the present invention.
Fig. 11 is an enlarged view at a in fig. 9.
Fig. 12 is a structural view of a ventilation unit in an embodiment of the air conditioner of the present invention.
Fig. 13 is an exploded view of the ventilation unit in the embodiment of the air conditioner of the present invention.
Fig. 14 is an internal structural view showing an air flow passage of a ventilation unit in a closed state in an embodiment of the air conditioner according to the present invention.
Fig. 15 is an internal structural view showing an opened state of an air flow passage of a ventilation unit in an embodiment of an air conditioner according to the present invention.
Fig. 16 is a block diagram of a second drip tray in an embodiment of the present invention.
Fig. 17 is a cross-sectional view of an embodiment of an air conditioner of the present invention.
Fig. 18 is a partial cross-sectional view of an embodiment of an air conditioner of the present invention.
Detailed Description
Referring to fig. 1 and 2, the air conditioner of the present invention is a cabinet type indoor unit, and the air conditioner includes a housing assembly 1, a heat exchanger assembly 2, a fan assembly 3, a fresh air module 4, and a second water pan 5.
Referring to fig. 1 and 2, the housing assembly 1 includes an air outlet frame assembly 11, an air inlet panel 12, two side fascia assemblies 13, a door panel 14, a top cover 15, and a chassis 16.
Referring to fig. 3 and 4, the heat exchanger assembly 2 includes a heat exchanger 21, a mounting bracket 22, and a first water pan 23.
Referring to fig. 7 to 11, the fan assembly 3 includes a fan blade 31, a first motor 32, an air duct member 33, a motor cover 34, and a shaft sleeve 35, the air duct member 33, the mounting bracket 22, and the first water pan 23 constitute an air duct member of the present invention, and the fan assembly 3, the mounting bracket 22, and the first water pan 23 constitute a main air module of the present invention.
Referring to fig. 12 to 14, the fresh air module 4 includes a volute assembly 41, a fixing frame 413, a joint assembly 418, a valve assembly 42, a filter screen 43, and a fresh air pipe 49, and the valve assembly 42 includes a second motor 421, a crankshaft 422, and a baffle 423. The filter screen 43 is a filter element of the present invention.
Referring to fig. 2, the air inlet panel 12 is located at the back of the air conditioner, and an air inlet grille is designed on the air inlet panel, an air inlet 1209 is formed at the air inlet grille, a detachable rear cover 122 is arranged on the air inlet panel 12, the rear cover 122 is fixed at the lower part of the air inlet panel 12 by adopting a clamping groove and screws, and the rear cover 122 is convenient to detach for connecting, installing and electrically overhauling a ventilation pipeline of the air conditioner.
Referring to fig. 2 and 3, the heat exchanger 21 is fixed to the inner side of the mounting bracket 22 by screws and supported by the mounting bracket 22, and an air inlet 2209 facing the heat exchanger 21 is formed in the mounting bracket 22. The mounting bracket 22 is fixed on the inner side of the air inlet panel 12 by adopting a clamping groove and a screw, and the air inlet 2209 is opposite to the air inlet 1209, so that the air flow entering from the air inlet panel 12 can pass through the mounting bracket 22 and exchange heat with the heat exchanger 21. The first water pan 23 is disposed right under the heat exchanger 21 and is fixed to the bottom of the mounting bracket 22 by screws.
Referring to fig. 2, 3 and 9, the air duct member 33 of the fan assembly 3 is fixedly connected with the mounting bracket 22 by adopting a clamping groove and a screw, and the first motor 32 is fixed in the motor seat 331 at the top of the air duct member 33 and is covered and fixed by the motor cover 34; the shaft hole of the first axial end 311 of the fan blade 31 is connected with the output shaft of the first motor 32, the fan blade 31 is arranged in the fan blade mounting position 330 in the middle of the air duct piece 33, the first motor 32 drives the lower fan blade 31 to rotate along the shaft center 300, and the air outlet 3309 is arranged on the air duct piece 33. The first motor 32 and the air blades 31 of the fan assembly 3 form a fan, when the fan system is started, negative pressure is generated in the air channel piece 33 to suck air, so that air flow passes through the air inlet panel 12 and the heat exchanger 21 and then enters the air channel piece 33, and a first air flow port is formed at the bottom of the air channel piece 33, so that outdoor fresh air can enter the air channel piece 33 from the fresh air module 4.
Referring again to fig. 16, the second water pan 5 is assembled directly under the heat exchanger assembly 2 and the fan assembly 3, and is fixedly connected with the air inlet panel 12 by adopting shaft hole positioning and screws, the second water pan 5 is used for collecting condensed water generated by the heat exchanger assembly 2 and the fan assembly 3 and discharging the condensed water from a drain pipe, and in addition, the second water pan 5 is further provided with a second pipe wall 52 and a mounting through hole 520, so that connection and communication with the air duct assembly 33 and the volute assembly 41 are realized. The new trend module 4 assembly is in the below of second water collector 5, adopts shaft hole location and screw to fix new trend module 4 and second water collector 5, adopts the screw to fix new trend module 4 and chassis 16 simultaneously.
With continued reference to fig. 2, the chassis 16 is positioned at the bottommost end of the air conditioner, and the chassis 16 is fixedly connected with the air inlet panel 12 by shaft hole positioning and screws. The fixing connection between the air outlet frame assembly 11 and the second water receiving disc 5 is achieved through shaft hole positioning and screws, and meanwhile the fixing connection between the air outlet frame assembly 11 and the fresh air module 4 and the fixing connection between the air outlet frame assembly 11 and the chassis 16 are achieved through screws.
The left side decoration plate assembly 13 and the right side decoration plate assembly 13 are respectively assembled on the left side and the right side of the air outlet frame assembly 11, and the two side decoration plate assemblies 13 are fixedly connected with the air inlet panel 12 and the air outlet frame assembly 11 by adopting clamping grooves and screws.
An air supply outlet 1109 is arranged on the air outlet frame assembly 11, the door plate 14 is assembled with the air outlet frame assembly 11 in a clamping groove and buckle pressing mode, and the door plate 14 is used for dismounting and facilitating replacement of a fresh air filter screen. The top cover 15 is fixedly connected with the air inlet panel 12, the air outlet frame assembly 11 and the two side decoration plate assemblies 13 through screws.
Referring to fig. 5 and 6, the first drip tray 23 includes an outer side Zhou Hubi projecting from the edge of the bottom wall and surrounding the tray, wherein a portion of the outer side Zhou Hubi forms a second arc-shaped structure 231 centered on the axle center 300, and the inner periphery of the second arc-shaped structure 231 forms a semicircular first ventilation opening 2310 penetrating in the axial direction, and the first ventilation opening 2310 is a first airflow opening according to the present invention. The second arc structure 231 includes a first arc wall 2311 having a larger inner diameter and a second arc wall 2312 having a smaller inner diameter, which are connected to each other by bending in an axial direction.
Referring to fig. 9 to 11, a semicircular second vent 3320 is provided on a side wall of one side of the air duct member 33 in the axial direction at the bottom of the air duct member 33, the second vent 3320 is also a first air vent of the present invention, and the side wall is protruded at the edge of the second vent 3320 to form a semicircular wall-shaped first arc structure 333, and the first arc structure 333 includes a third guard wall 3331 having a smaller inner diameter protruding from the side wall toward the first axial direction and a fourth guard wall 3332 having a smaller inner diameter protruding toward the opposite second axial direction.
The shaft sleeve base 332 is disposed at the inner periphery of the second air vent 3320 and the shaft center 300, the shaft sleeve base 332 and the first arc-shaped structure 333 are supported by three first support ribs 334 with ninety degrees of angle difference, and two extending ends of the first support ribs 334 are respectively connected between the outer peripheral surface of the shaft sleeve base 332 and the inner peripheral surface of the first arc-shaped structure 333.
Referring to fig. 5, 6, 10, 11 and 18, after assembly, the first arc structure 333 and the second arc structure 231 are spliced to form a complete circular enclosure structure, the first ventilation opening 2310 and the second ventilation opening 3320 which are originally semicircular form a circular ventilation opening in the inner periphery of the enclosure structure, the first arc wall 2311 and the third protection wall 3331 are spliced to form a complete circular first peripheral wall, and the second arc wall 2312 and the fourth protection wall 3332 are spliced to form a complete circular second peripheral wall.
Referring again to fig. 18, whether the first arc-shaped structure 333 or the second arc-shaped structure 231, a guide surface 2319 is disposed between the inner peripheral surface of the first peripheral wall with a larger diameter and the inner peripheral surface of the second peripheral wall with a smaller diameter, and the guide surface 2319 is an outer convex arc surface.
Referring to fig. 8, the fan blade 31 is a through-flow centrifugal fan blade, and a second air flow opening 3120 for air intake is provided at the bottom, i.e. the second axial end 312, of the fan blade 31, and the second air flow opening 3120 is connected to the air flow space 310 in the fan blade 31.
The second axial end 312 is in a hub shape, the second axial end 312 includes an annular outer frame 313 connected to the blades 318, and the second air flow openings 3120 are formed at an inner circumference of the outer frame 313; the shaft center 300 is provided with a rotating shaft 315, the rotating shaft 315 is supported at the shaft center 300 by a supporting frame 314, and the supporting frame 314 comprises a center seat fixedly connected with the rotating shaft 315 and second supporting ribs which divergently extend to the inner wall surface of the outer frame 313 from the center seat. The second air ports 3120 are formed between the plurality of second support ribs, and the second air ports 3120 are approximately circular air ports. The support 314 is a second support structure of the present invention.
In addition, the axial end surface of the outer frame 313 is also provided with a convex third peripheral wall 3131 surrounding the second air flow opening 3120.
Referring to fig. 12 and 13, the volute assembly 41 includes an upper case 411 and a bottom case 41, the upper case 411 and the bottom case 412 are butted up and down, an air flow channel is formed inside the volute assembly 41, and the upper case 411 is provided with a fresh air outlet 410 and a first pipe wall 419 surrounding the periphery of the fresh air outlet 410.
The filter screen 43 is mounted on a mount 413, the mount 413 being secured between the upper housing 411 and the bottom housing 412 in the airflow path, the joint assembly 418 comprising a joint upper portion 4181 and a joint lower portion 4182 that are butted up and down, the joint assembly 418 being butted at an inlet 4101 of the airflow path of the volute assembly 41. The inlet of the joint assembly 418 is a fresh air inlet 408 of the ventilation component of the invention, one end of a fresh air pipe 49 is in butt joint with the fresh air inlet 408, and the other end of the fresh air pipe 49 is connected to the outside of a room.
In addition, the volute housing assembly 41 includes a fixing frame 413, a mounting position where the filter screen 43 is located, and a mounting port 4102 of the mounting position, and the door panel 14 faces the mounting port 4102 in combination with fig. 1 and 2. The user can detach the door panel 14 and take out the filter screen 43 from the installation port 4102 for cleaning. Further, a pulling portion 431 exposed from the mounting opening 4102 is provided at a side portion of the filter 43, and the pulling portion 431 provides an impetus for a user to take out the filter 43.
Referring again to fig. 14 and 15, a valve assembly 42 is mounted at inlet 4101. The second motor 421, the crankshaft 422, and the shutter 423 are sequentially driven to drive the shutter 423 to swing between a first position blocking the inlet 4101 and a second position opening the inlet 4101.
Referring to fig. 16, the bottom wall 51 of the second drip tray 5 is provided with a mounting through hole 520 penetrating both upper and lower sides thereof and a second tube wall 52 extending upward from the bottom wall 51 and surrounding the outer periphery of the mounting through hole 520. In this embodiment, the second pipe wall 52 includes a first pipe section 521 and a second pipe section 522 sequentially connected from bottom to top, the outer diameter of the second pipe section 522 is smaller than the outer diameter of the first pipe section 521, the inner diameter of the second pipe section 522 is smaller than the inner diameter of the first pipe section 521, and a step is formed between the first pipe section 521 and the second pipe section 522 due to the difference in diameter, regardless of the outer circumference or the inner circumference of the second pipe wall 52.
Referring to fig. 17 and 18, in combination with fig. 12 and 16, the first pipe wall 419 is inserted into the second pipe wall 52 from below to above and is located at the inner periphery of the first pipe section 521, and the axial position of the first pipe wall 419 is limited by the stepped position between the inner periphery of the first pipe section 521 and the inner periphery of the second pipe section 522.
Referring to fig. 17 and 18, in combination with fig. 11 and 16, the second pipe section 522 of the second pipe wall 52 is inserted into the inner periphery of the first peripheral wall constituted by the first arc wall 2311 and the third protection wall 3331, and the axial position of the first peripheral wall is limited by the step position between the outer periphery of the first pipe section 521 and the outer periphery of the second pipe section 522.
Referring to fig. 17 and 18, in combination with fig. 7, 8 and 11, the hub 35 is fixed in the hub seat 332, and the rotation shaft 315 of the second axial end 312 of the fan blade 31 is inserted into the hub 35. In addition, the third peripheral wall 3131 of the fan blade 31 is fitted around the outer periphery of the second peripheral wall composed of the second arc wall 2312 and the fourth protection wall 3332, and a space is maintained between the second peripheral wall and the third peripheral wall 3131 in the radial direction, and in addition, the fan blade 31 and the duct member 33 are also maintained at a space in the axial direction, so that the purpose of this arrangement is to ensure that the rotation of the fan blade 31 is not interfered.
Referring to fig. 17 and 18 in combination with fig. 15, when the baffle 423 is in the position of opening the airflow channel, when the fan blade 31 rotates, the airflow passes through the air inlet 1209, the air inlet 2209, the heat exchanger 21, the fan blade 31 and the air outlet 3309 in sequence, and finally is sent out from the air supply port 1109 of the housing assembly 1, so as to realize air supply.
Moreover, at the same time, the second axial end 312 of the fan blade 31 generates a negative pressure on the fresh air module 4, and under the negative pressure, the fresh air sequentially passes through the fresh air duct 49, the inside of the ventilation component, the fresh air outlet 410 of the ventilation component, the installation through hole 520 of the second water pan 5, and the circular ventilation opening formed by the first ventilation opening 2310 and the second ventilation opening 3320 on the air duct member, and then enters the air flow space 310 inside the fan blade 31 from the second air flow opening 3120 of the second axial end 312 of the fan blade 31.
After the fresh air is mixed with the cold air or the warm air in the airflow space 310 of the fan blade 31 and is interacted with the cold air or the warm air, the fresh air is sent out from the air supply port 1109 of the shell component 1 through the air outlet 3309 of the air duct piece 33, so that the cool air or the warm air with the fresh air, which is uniform and comfortable in temperature, is ensured to be sent out, discomfort to the body caused by temperature difference of the air flow when the fresh air and the air are sent out independently and separately, and the comfort of the ventilation fresh air is improved.
Finally, it should be emphasized that the foregoing description is merely illustrative of the preferred embodiments of the invention, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and principles of the invention, and any such modifications, equivalents, improvements, etc. are intended to be included within the scope of the invention.

Claims (9)

1. The air supply assembly comprises a main air module and a fresh air module;
the main air module comprises a first driving unit, a fan blade and an air duct component, wherein the air duct component comprises an air inlet and an air outlet, the first driving unit drives the fan blade to rotate from a first axial end of the fan blade, the fan blade is arranged between the air inlet and the air outlet, and an air flow space is formed in the fan blade;
the fresh air module comprises a fresh air pipe and a ventilation part, the ventilation part comprises a fresh air inlet and a fresh air outlet, and the fresh air pipe is in butt joint with the fresh air inlet;
the method is characterized in that:
the air duct component is provided with a first air flow port;
the fan blade is a through-flow centrifugal fan blade, and a second air flow port is arranged at the second axial end of the fan blade;
the fresh air outlet is communicated to the air flow space through the first air flow port and the second air flow port in sequence;
the air duct member is provided with an enclosing structure, and the enclosing structure surrounds the periphery of the first airflow port;
the surrounding structure comprises a first peripheral wall, the ventilation component is provided with a first pipe wall surrounding the fresh air outlet, and the first peripheral wall is in butt joint with the first pipe wall; and/or the surrounding structure comprises a second peripheral wall, a third peripheral wall surrounding the second airflow port is arranged at the second axial end, and the second peripheral wall and the third peripheral wall are mutually sleeved;
the air duct member comprises an air duct piece and a first water receiving disc which are connected with each other;
the air duct piece is provided with a first arc-shaped structure, the first water receiving disc is provided with a second arc-shaped structure, and the first arc-shaped structure and the second arc-shaped structure are spliced to form the surrounding structure.
2. The air supply assembly of claim 1, wherein:
the air supply assembly further comprises a second water receiving disc, wherein the second water receiving disc comprises a mounting through hole and a second pipe wall surrounding the mounting through hole;
the second water pan is arranged between the ventilation component and the air duct component, and the first peripheral wall is in butt joint with the first pipe wall through the second pipe wall.
3. The air supply assembly of claim 1 or 2, wherein:
the air duct component comprises a shaft sleeve seat and a first supporting structure, the first supporting structure is connected between the surrounding structure and the shaft sleeve seat, and the shaft sleeve seat is supported at the rotating shaft center of the fan blade by the first supporting structure;
and/or the number of the groups of groups,
the second axial end comprises a second supporting structure and a rotating shaft, the second axial end comprises an outer frame surrounding the second airflow port, the second supporting structure is connected between the outer frame and the rotating shaft, and the rotating shaft is supported by the second supporting structure at the rotating shaft center of the fan blade.
4. The air supply assembly of claim 1 or 2, wherein:
the enclosure comprises the first perimeter wall and the second perimeter wall;
the inner diameter of the second peripheral wall is smaller than that of the first peripheral wall, and the surrounding structure comprises a flow guiding surface which is connected between the inner wall surface of the first peripheral wall and the inner wall surface of the second peripheral wall.
5. The air supply assembly of claim 1 or 2, wherein:
the ventilation component comprises a valve assembly, and the valve assembly is arranged in the ventilation component and is positioned between the fresh air inlet and the fresh air outlet.
6. The air supply assembly of claim 5, wherein:
the valve assembly comprises a second driving unit and a baffle which are connected in sequence;
an air flow channel is formed in the ventilation component and is positioned between the fresh air inlet and the fresh air outlet;
the second driving unit can drive the baffle to swing between a first position for shielding the airflow channel and a second position for opening the airflow channel.
7. An air conditioner comprising the blower assembly of any one of claims 1 to 6.
8. An air conditioner according to claim 7, wherein:
the ventilation component comprises a filter piece, and the filter piece is arranged in the ventilation component and positioned between the fresh air inlet and the fresh air outlet.
9. An air conditioner according to claim 8, wherein:
the air conditioner comprises a shell component, wherein the shell component is provided with a detachable door plate;
the ventilation component comprises a volute component, the volute component comprises a mounting position and a mounting port of the mounting position, and the filter element is arranged in the mounting position;
the door plate is opposite to the mounting opening.
CN202311576489.2A 2023-11-24 2023-11-24 Air supply assembly and air conditioner Active CN117287753B (en)

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Application Number Priority Date Filing Date Title
CN202311576489.2A CN117287753B (en) 2023-11-24 2023-11-24 Air supply assembly and air conditioner

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CN117287753B true CN117287753B (en) 2024-02-27

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005249323A (en) * 2004-03-05 2005-09-15 Mitsubishi Electric Corp Air-conditioner
CN208237997U (en) * 2018-03-30 2018-12-14 珠海格力电器股份有限公司 Indoor unit of air conditioner
CN210241764U (en) * 2019-07-05 2020-04-03 广东美的制冷设备有限公司 Air conditioner indoor unit and air conditioner
CN115111653A (en) * 2022-06-09 2022-09-27 青岛海尔空调器有限总公司 Air conditioner
WO2023040665A1 (en) * 2021-09-16 2023-03-23 海信(广东)空调有限公司 Air conditioner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005249323A (en) * 2004-03-05 2005-09-15 Mitsubishi Electric Corp Air-conditioner
CN208237997U (en) * 2018-03-30 2018-12-14 珠海格力电器股份有限公司 Indoor unit of air conditioner
CN210241764U (en) * 2019-07-05 2020-04-03 广东美的制冷设备有限公司 Air conditioner indoor unit and air conditioner
WO2023040665A1 (en) * 2021-09-16 2023-03-23 海信(广东)空调有限公司 Air conditioner
CN115111653A (en) * 2022-06-09 2022-09-27 青岛海尔空调器有限总公司 Air conditioner

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