CN113847259A - Cross-flow fan and air conditioner with same - Google Patents

Cross-flow fan and air conditioner with same Download PDF

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Publication number
CN113847259A
CN113847259A CN202111223127.6A CN202111223127A CN113847259A CN 113847259 A CN113847259 A CN 113847259A CN 202111223127 A CN202111223127 A CN 202111223127A CN 113847259 A CN113847259 A CN 113847259A
Authority
CN
China
Prior art keywords
air
evaporator
mounting seat
cross
air conditioner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111223127.6A
Other languages
Chinese (zh)
Inventor
徐子旺
朱志海
孟宪运
陈阳城
李培阳
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
Original Assignee
Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202111223127.6A priority Critical patent/CN113847259A/en
Publication of CN113847259A publication Critical patent/CN113847259A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/30—Vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • F04D29/4246—Fan casings comprising more than one outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/626—Mounting or removal of fans
    • 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
    • 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
    • F24F1/0025—Cross-flow or tangential fans
    • 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
    • F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
    • 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
    • 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
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • 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
    • 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
    • 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
    • F24F13/30—Arrangement or mounting of heat-exchangers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a cross-flow fan and an air conditioner with the same. The crossflow blower includes: the impeller is of a cylindrical structure; the impeller comprises a plurality of blades, a first mounting seat and a second mounting seat, wherein the first mounting seat and the second mounting seat are oppositely arranged on two sides of the plurality of blades; the plurality of blades are distributed circumferentially around the central axis of the impeller; the first mounting seat is connected with one ends of the plurality of blades to form a first end of the cylindrical structure, the second mounting seat is connected with the other ends of the plurality of blades to form a second end of the cylindrical structure, and the second mounting seat is provided with a fan blade air inlet; the air guide structure, the air guide structure sets up inside the tubular structure, just the air guide structure have with the air inlet wind direction water conservancy diversion extremely with the tubular structure radial direction becomes acute angle and/or the wind-guiding wall at zero degree angle.

Description

Cross-flow fan and air conditioner with same
Technical Field
The invention relates to the technical field of air conditioners, in particular to a cross-flow fan and an air conditioner with the same.
Background
At present, in the existing wall-mounted air conditioner, an indoor unit of the air conditioner generally sucks air from an air inlet at the upper part, then the air is pressurized through an evaporator heat exchange and air duct system, and finally the air is blown out from an air outlet at the lower part, so that the normal refrigeration, heating and air supply functions of the air conditioner are realized. The existing wall-mounted air conditioner generally adopts a through-flow air duct system, and mainly comprises through-flow fan blades, a fan blade motor, a bottom shell, a volute tongue, a bearing rubber ring and other parts; the cross-flow fan blade is of a straight cylinder structure, two ends of the cross-flow fan blade are designed to be closed end faces, and the outer ring of the fan blade is a grid type fan blade which is circumferentially distributed along the axis of the fan blade; a curved surface structure for enveloping the cross-flow fan blade and an air outlet for guiding air outlet flow are designed below the bottom shell; the volute tongue is of a long strip-shaped angle structure, one surface of the volute tongue is designed to be a curved surface enveloped with the cross-flow fan blade, the volute tongue can pressurize airflow in the air duct system through the curved surface structure, and the volute tongue is fixedly installed on the bottom shell through a plurality of groups of buckles and guides the outlet airflow together with an air outlet of the bottom shell. Although the existing wall-mounted air conditioner has a simple air duct structure and high fan efficiency, the existing wall-mounted air conditioner is limited by the air inlet and outlet mode of the cross-flow fan blade and the air inlet and outlet structure of the air duct system, the air conditioner can only feed air from the upper part and feed air from the air outlet of the lower part, the air inlet area and the air inlet amount of the air conditioner cannot be effectively improved, and the air feeding mode of the air conditioner and the comfort experience of users are improved.
Disclosure of Invention
In view of the above, the invention discloses a cross-flow fan and an air conditioner with the same, which are used for at least solving the problem that the air outlet effect of the existing air conditioner is influenced by limited air inlet.
In order to achieve the above object, the invention adopts the following technical scheme:
the invention discloses a cross-flow fan, which is characterized by comprising the following components:
the impeller is of a cylindrical structure;
the impeller comprises a plurality of blades, a first mounting seat and a second mounting seat, wherein the first mounting seat and the second mounting seat are oppositely arranged at two ends of the plurality of blades;
the plurality of blades are distributed circumferentially around the central axis of the impeller;
the first mounting seat is connected with one end of the plurality of blades to form a first end of the cylindrical structure, the second mounting seat is connected with the other end of the plurality of blades to form a second end of the cylindrical structure, a fan blade air inlet is formed in the second mounting seat, and the fan blade air inlet enables air to axially flow into the cylindrical structure;
the air guide structure is arranged inside the tubular structure, the air guide structure is provided with an air guide wall wound around the axis of the tubular structure, and the air guide wall guides the inlet air along the radial direction of the tubular structure or the direction of a 0-90 included angle formed by the radial direction of the tubular structure.
The air guide structure, the air guide structure sets up inside the tubular structure, just the air guide structure have with the air inlet wind direction water conservancy diversion extremely with the tubular structure radial direction becomes acute angle and/or the wind-guiding wall at zero degree angle.
Further optionally, a first end of the air guiding structure is fixed on the first mounting seat, and a second end of the air guiding structure extends toward the second mounting seat;
the diameter of the outer peripheral wall of the air guide structure is gradually reduced along the direction from the first end of the air guide structure to the second end of the air guide structure to form the air guide wall.
Further optionally, the air guide structure is of a conical cylindrical structure, and a conical seat of the conical cylindrical structure is connected with the first mounting seat, and a conical tip of the conical cylindrical structure faces the second mounting seat.
Further optionally, an air guide rib is arranged on the conical surface of the conical cylindrical structure, the air guide rib extends spirally along the conical tip to the conical seat, and the spiral extending direction of the air guide rib is opposite to the rotating direction of the cross flow fan.
Further optionally, a second end of the air guiding structure is provided with a driving shaft mounting hole; and a first shaft hole coaxial with the driving shaft mounting hole is formed in the first mounting seat.
Further optionally, an extending shaft structure is arranged on the second mounting seat,
and the protruding shaft structure is coaxially arranged with the driving shaft mounting hole and is used for being mounted to an external corresponding bearing rubber ring through hole shaft so as to provide limiting support for the cross-flow fan.
A second aspect of the present invention discloses an air conditioner, comprising: at least one crossflow blower as described in any of the above.
Further optionally, the air conditioner includes:
the air conditioner comprises a shell, a first air inlet is formed in the left side of the shell, a second air inlet is formed in the right side of the shell, and an air outlet is formed in the front and/or the top and/or the lower portion of the shell;
the left and right cross-flow fans are coaxially arranged in the shell, a fan blade air inlet of one cross-flow fan is correspondingly communicated with the first air inlet, and a fan blade air inlet of the other cross-flow fan is correspondingly communicated with the second air inlet.
Further optionally, the air conditioner further includes: a driving assembly disposed between the two crossflow blowers,
the drive assembly includes: a fan blade motor; one end of the first transmission shaft is arranged at the left side of the fan blade motor, and the other end of the first transmission shaft is assembled with a driving shaft mounting hole of the cross-flow fan; and one end of the second transmission shaft is arranged on the right side of the fan blade motor, and the other end of the second transmission shaft is assembled with a driving shaft mounting hole of the other cross-flow fan.
Further optionally, the air conditioner further includes:
the first guide ring is arranged at the first air inlet, the first guide ring is provided with a first air passing channel with a gradually reduced diameter, and one end with a smaller diameter of the first air passing channel faces to a fan blade air inlet of the corresponding cross-flow fan; and/or the presence of a gas in the gas,
and the second guide ring is arranged at the second air inlet, a second air passing channel with a gradually reduced diameter is arranged on the second guide ring, and the smaller end of the second air passing channel faces the fan blade air inlet of the corresponding cross-flow fan.
Further optionally, the air conditioner further includes: an evaporator, a water-cooling device and a water-cooling device,
the evaporator is provided with a multi-section bending structure in the circumferential direction of the impeller, and one side of the evaporator close to the impeller is provided with at least one air guide curved surface structure;
the air guide curved surface structure is used for being matched with a bottom shell of the shell to block and pressurize partial air flow guided out by the cross flow fan, so that the air flow is sent out from an air outlet on the bottom shell.
Further optionally, the evaporator comprises a first evaporator, a second evaporator, a third evaporator and a fourth evaporator connected in sequence,
the first evaporator and the second evaporator are positioned above the crossflow blower, the third evaporator is positioned in front of the crossflow blower, the fourth evaporator is positioned between the bottom case and the crossflow blower,
the air guide curved surface structures are two and are respectively arranged on the second evaporator and the fourth evaporator.
Further optionally, the wind guide curved surface structure forms a wedge-shaped cross section in the radial section direction of the impeller,
the wide end of the wedge-shaped cross section of the air guide curved surface structure arranged on the second evaporator is close to one side of the third evaporator, and the narrow end of the wedge-shaped cross section of the air guide curved surface structure is close to one side of the first evaporator; and the wide end of the wedge-shaped cross section of the wind guide curved surface structure is positioned on one side far away from the third evaporator, and the narrow end of the wedge-shaped cross section of the wind guide curved surface structure is positioned on one side close to the third evaporator.
Further optionally, the wide end of the wedge-shaped cross section is an arc surface protruding outwards.
Has the advantages that: the invention designs a brand new cross flow fan by improving the structure of the air conditioner, not only can realize the air inlet functions of the left side and the right side of the air conditioner, effectively utilize and improve the air inlet area and the air inlet volume of the side surface of the air conditioner, but also can realize the multi-air-outlet air supply function of the air conditioner by designing a novel evaporator and a multi-direction air outlet structure of the air conditioner, improve the air supply mode of the air conditioner and improve the comfortable experience of users.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely exemplary embodiments of the present disclosure, and other drawings may be derived by those skilled in the art without inventive effort.
Fig. 1 is an exploded view showing an overall structure of an air conditioner according to an embodiment;
FIG. 2 is an exploded view of a front panel-less structure of an air conditioner according to an embodiment;
FIG. 3 is a schematic diagram illustrating the flow of inlet air to the air conditioner according to one embodiment;
FIG. 4 shows a cross-sectional view A-A of FIG. 3;
FIG. 5 shows a cross-sectional view B-B of FIG. 3;
FIG. 6 shows an enlarged view of the portions C and D of FIG. 5;
FIG. 7 shows an enlarged view of section E of FIG. 4;
FIG. 8 illustrates a cross-flow fan schematic of an embodiment;
fig. 9 shows a schematic view of a configuration of a flow guide ring according to an embodiment.
In the figure: 1. a panel body; 2. an evaporator; 21. a first evaporator; 22. a second evaporator; 23. a third evaporator; 24. a fourth evaporator; 241. a wide end of a wedge-shaped cross-section; 242. a narrow end of wedge-shaped cross section; 3. a second bearing rubber ring; 4. a second flow guiding ring; 5. a second crossflow blower; 6. a bottom case; 7. a lower air deflection assembly; 8. a fan blade motor; 9. a first through flow fan; 10. a motor pressing plate; 11. a first flow guiding ring; 111. a first air passage; 112. a concave hole structure; 113. a via structure; 12. a first bearing rubber ring; 13. an upper air deflector assembly; 14. a tubular structure second end; 15. a tubular structure first end.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
The air inlet of the existing air conditioner is arranged at the top of the air conditioner, and the air inlet is easily affected by the area and the arrangement position of an air inlet, so that the whole air supply effect of the air conditioner is not added. The invention can be suitable for air conditioners with air inlet at the left side and the right side by improving the cross flow fan, can realize the control of up-down air outlet, improves the air supply mode of the air conditioner and improves the comfort experience of users.
To further illustrate the technical solution of the present invention, the following embodiments are provided by taking an indoor unit of an air conditioner as an example, as shown in fig. 1 to 9.
As shown in fig. 1 to 4 and 8, in the present embodiment, there is provided an air conditioner including:
the air conditioner comprises a shell, a first air inlet is formed in the left side of the shell, a second air inlet is formed in the right side of the shell, and an air outlet is formed in the front and/or the top and/or the lower portion of the shell;
the left and right cross-flow fans are coaxially arranged in the shell, a fan blade air inlet of one cross-flow fan is correspondingly communicated with a first air inlet, and a fan blade air inlet of the other cross-flow fan is correspondingly communicated with a second air inlet;
and a drive assembly disposed between the two crossflow blowers, the drive assembly comprising: a fan blade motor 8; one end of the first transmission shaft is arranged at the left side of the fan blade motor 8, and the other end of the first transmission shaft is assembled with a driving shaft mounting hole of a cross-flow fan; one end of the second transmission shaft is arranged on the right side of the fan blade motor 8, and the other end of the second transmission shaft is assembled with a driving shaft mounting hole of the other cross-flow fan.
In some optional modes, the air conditioner further comprises a guide ring arranged at the wind inlet. Preferably, the air conditioner includes: the first guide ring 11 is arranged at the first air inlet, the first guide ring 11 is provided with a first air passing channel 111 with a gradually reduced diameter, and the smaller end of the first air passing channel 111 faces the fan blade air inlet of the corresponding cross-flow fan; and/or the second guide ring 4 is arranged at the second air inlet, the second guide ring 4 is provided with a second air passing channel with a gradually reduced diameter, and the smaller end of the second air passing channel faces the fan blade air inlet of the corresponding cross-flow fan. Specifically, as shown in fig. 9, it is a part diagram of a wall-mounted air conditioner guide ring. Preferably: the guide ring is designed into a horn-shaped structure, the horn-shaped necking faces the fan blade, a group of through holes are further designed in the middle and used for being assembled with the bearing rubber ring through hole-shaft matching, and a plurality of groups of concave hole structures 112 are designed on the outer ring of the guide ring and used for being assembled with the elbow of the evaporator 2; the guide ring plays a role in sealing the air channel through being assembled with the bottom shell 6, and the horn-shaped structure can play a role in guiding the air inlet flow entering from the outer side of the air conditioner.
Specifically, the method comprises the following steps: as shown in fig. 1 and 2, which are general exploded views of a wall-mounted air conditioner, the air conditioner in this embodiment mainly includes: the air conditioner comprises a panel body 1, an evaporator 2, a second bearing rubber ring 3, a second guide ring 4, a second cross-flow fan 5, a bottom shell 6, a lower air deflector assembly 7, a fan blade motor 8, a first cross-flow fan 9, a motor pressing plate 10, a first guide ring 11, a first bearing rubber ring 12 and an upper air deflector assembly 13, wherein the bottom shell and the panel body 1 enclose the main part of the air conditioner shell. The structure of the second bearing rubber ring 3 is completely consistent with that of the first bearing rubber ring 12, the structure of the second guide ring 4 is in a mirror symmetry structure with that of the first guide ring, and the structure of the second cross flow fan 5 is completely consistent with that of the first cross flow fan 9. The motor pressing plate covers the fan blade motor and is fixed on the bottom shell through screws, air inlet grids are arranged on the left side and the right side of the panel body 1, air outlets for guiding air flow are arranged on the upper side and the lower side of the panel body 1, and the panel body 1 is fixed on the bottom shell through buckles and screws; one end of the upper air deflector assembly 13 and one end of the lower air deflector assembly 7 are matched with each other through hole shafts, and the other end of the upper air deflector assembly and the other end of the lower air deflector assembly are matched and assembled on the panel body 1 through shaft holes. When the air conditioner is in operation, a fan blade motor of the air conditioner drives the fan blades to rotate, negative pressure is formed inside a cylindrical structure defined by the fan blades, air outside the air conditioner forms air inlet airflow, the air inlet airflow enters the interior of the shell of the air conditioner through air inlet grids and guide rings on the left side and the right side of the panel body 1 of the air conditioner, the air inlet airflow is subjected to heat exchange and pressurization through the guide of the fan blades and the evaporator 2, and finally air outlet airflow is formed and blown out from the air outlet of the panel body 1 of the air conditioner, so that air inlet on the left side and air outlet on the right side of the air conditioner can be realized in multiple directions.
In some alternatives, as shown in FIG. 8, a crossflow blower includes: the impeller is of a cylindrical structure. The impeller comprises a plurality of blades, a first mounting seat and a second mounting seat, wherein the first mounting seat and the second mounting seat are oppositely arranged at two ends of the plurality of blades. The blades are distributed around the central axis of the cross-flow fan to form a cylinder shape; the fan blade mounting structure comprises a first mounting seat and a second mounting seat which are oppositely arranged, wherein the first mounting seat is connected with one ends of a plurality of blades to form a first end 15 of a cylindrical structure, the second mounting seat is connected with the other ends of the plurality of blades to form a second end 14 of the cylindrical structure, and a fan blade air inlet is formed in the second mounting seat; the air guide structure is arranged inside the tubular structure, and the air guide structure is provided with an air guide wall which guides the air of the inlet air to form an acute angle and/or a zero angle with the radial direction of the tubular structure. The cross-flow fan is based on a special flow guide structure, and can suck air supply from an air inlet arranged in the axial direction and send the air supply out in the radial direction or the direction close to the radial direction.
Specifically, a first end of the air guide structure is fixed on the first mounting seat, and a second end of the air guide structure extends towards the second mounting seat; wherein along the direction of the first end of wind-guiding structure to the second end of wind-guiding structure, the periphery wall diameter of wind-guiding structure reduces gradually so as to form the wind-guiding wall. Preferably, the air guide structure adopts a conical cylindrical structure, and a conical seat of the conical cylindrical structure is connected with the first mounting seat, and a conical tip of the conical cylindrical structure faces the second mounting seat. The second end of the air guide structure is provided with a driving shaft mounting hole; the first mounting seat is provided with a first shaft hole coaxial with the driving shaft mounting hole. And an extending shaft structure is arranged on the second mounting seat. The protruding shaft structure is coaxially arranged with the driving shaft mounting hole and used for being mounted to an external corresponding bearing rubber ring through hole shaft to provide limiting support for the cross-flow fan. The air guide wall formed by the conical cylindrical structure guides the inlet air along the radial direction of the cylindrical structure or guides the inlet air along the direction of a 0-90-degree included angle formed by the radial direction of the cylindrical structure.
The tubular structure formed by surrounding a plurality of blades of the cross-flow fan can be designed into a straight tubular structure or a trumpet-shaped structure which is gradually reduced from the second end 14 of the tubular structure to the first end 15 of the tubular structure.
As shown in fig. 8, when the cross flow fan in the air conditioner adopts a straight-tube structure, one end surface of the fan blade is designed to be an open surface and has an extended shaft structure so as to be assembled with the bearing rubber ring through hole-shaft fit, the other end surface of the fan blade is designed to be a streamlined air guide wall, a drive shaft mounting hole which is assembled with a drive shaft (a first drive shaft and a second drive shaft) is designed at the conical tip of the air guide wall, and the outer side of the cross flow fan is designed to be a plurality of grid-type blades which are circumferentially distributed along the axis of the cross flow fan; the left side and the right side of the fan blade motor extend out of the transmission shaft and can be matched with a driving shaft mounting hole on a fan blade air guide wall for assembly; a curved surface structure for enveloping the novel fan blades and an air outlet for guiding air flow are designed below the bottom shell, and the bottom shell is basically in a bilateral symmetry mode; the guide ring is designed into a horn-shaped structure, the horn-shaped necking faces towards the novel fan blade, a group of through hole structures 113 are further designed in the middle and are used for being assembled with the bearing rubber ring through hole shaft matching, a plurality of groups of concave hole structures 112 are designed on the outer ring of the guide ring and are used for being assembled with the elbow of the evaporator 2, and the guide ring mainly plays a role in sealing an air duct and guiding the flow; the inner side of the evaporator 2 is designed with a convex curved surface structure which is mainly used for pressurizing air flow in an air duct system and guiding air outlet flow together with the bottom shell, so that multi-directional air outlet of the air conditioner is realized.
As shown in fig. 2-7, the fan blade motor is placed in the motor groove of the bottom case; one end of an air guide wall of the cross-flow fan is matched and assembled with the fan blade motor by adopting a hole shaft; as shown in a partial enlarged view E, the guide ring is assembled with the bearing rubber ring through the middle through hole structure 113 in a hole-shaft matching mode, and the other end face of the novel fan blade is assembled with the bearing rubber ring through the hole-shaft matching mode in an extending shaft structure; when the air conditioner operates, the fan blade motor drives the novel fan blade to rotate, negative pressure is formed inside the novel fan blade, air outside the air conditioner forms air inlet airflow, and the air inlet airflow enters the air duct system through the flow guide rings on the left side and the right side of the air conditioner. As shown in fig. 5-7, a partial enlarged view C, D is an enlarged view of a convex curved surface structure inside the evaporator 2, and the intake airflow is finally blown out from the air outlet of the air conditioner by the heat exchange between the flow guide of the novel fan blade and the evaporator 2 and the pressurization of the convex curved surface structure inside the novel fan blade. The invention can not only realize the air inlet function of the left side and the right side of the air conditioner, effectively utilize and promote the air inlet area and the air inlet quantity of the side surface of the air conditioner, but also realize the air supply function of a plurality of air outlets of the air conditioner by designing the evaporator 2 and a multidirectional air outlet structure of the air conditioner, improve the air supply mode of the air conditioner and improve the comfortable experience of users.
In some alternative ways, as shown in fig. 5 and 6, the evaporator 2 is formed with a multi-section bending structure around the circumferential direction of the impeller, and one side of the evaporator 2 close to the impeller is provided with at least one wind guide curved surface structure; the air guide curved surface structure is used for being matched with a bottom shell of the shell to block and pressurize partial air flow guided out by the cross flow fan, so that the air flow is sent out from an air outlet on the bottom shell.
Preferably, the evaporator 2 includes a first evaporator 21, a second evaporator 22, a third evaporator 23 and a fourth evaporator 24 connected in sequence, the first evaporator 21 and the second evaporator 22 are located above the cross flow fan, the third evaporator 23 is located in front of the cross flow fan, and the fourth evaporator 24 is located between the bottom case and the cross flow fan, wherein the number of the air guide curved surface structures is two, and the air guide curved surface structures are respectively arranged on the second evaporator and the fourth evaporator.
Preferably, the air guiding curved surface structure forms a wedge-shaped cross section in the radial section direction of the impeller, wherein the air guiding curved surface structure arranged on the second evaporator 22 has a wide end of the wedge-shaped cross section close to the third evaporator 23 side and a narrow end of the wedge-shaped cross section close to the first evaporator 21 side; the wind guide curved surface structure arranged on the fourth evaporator has a wide end 241 of the wedge-shaped cross section located on the side far away from the third evaporator 23, and a narrow end 242 of the wedge-shaped cross section located on the side close to the third evaporator 23. It is further preferred that the wide end 241 of the wedge-shaped cross-section is an outwardly convex arc-shaped surface.
As shown in fig. 8, in this embodiment, when a plurality of blades are enclosed into a straight cylindrical structure, two ends are fixed by two mounting seats, one end face of each blade is designed to be an open face, and has an extending shaft structure so as to be assembled with a bearing rubber ring through hole-shaft fit, as shown in a sectional view a-a of fig. 8, the other end face of each blade is designed to be a streamlined wind guide wall, wherein a partial enlarged view B is an enlarged view of the top end structure of the wind guide wall, the top end of the wind guide wall is designed with a hole-shaped structure for assembling with a motor shaft of the blade, and the outer side of the novel blade is designed to be a grid-type blade circumferentially distributed along the axis of the blade; the fan blade motor drives the novel fan blade to rotate, negative pressure is formed inside the novel fan blade, air outside the air conditioner forms air inlet airflow, and the air guide wall at one end of the novel fan blade can play a role in guiding the airflow entering the air duct system, so that the airflow organization can completely run through the whole air duct.
Further optionally, in order to enhance the turbulent air suction to the air flow, an air guide rib is arranged on the conical surface of the conical cylindrical structure, the air guide rib extends spirally along the conical tip to the conical seat, and the spiral extending direction of the air guide rib is opposite to the rotating direction of the cross-flow fan.
It should be noted that, when the air conditioner operates, the fan motor drives the novel fan to rotate, and negative pressure is formed inside the novel fan, so that air outside the air conditioner forms an inlet airflow, and enters the air duct system through the flow guide rings on the left and right sides of the air conditioner, and the inlet airflow finally forms an outlet airflow to be blown out from the air outlet of the air conditioner under the heat exchange pressurization of the flow guide of the novel fan and the evaporator 2. Because the air conditioner in the embodiment is provided with the special cross-flow fan, a brand-new air duct system is designed for the air conditioner based on the cross-flow fan, the air inlet functions of the left side and the right side of the air conditioner can be realized, the air inlet area and the air inlet air quantity of the side face of the air conditioner can be effectively utilized and improved, the multi-direction air outlet structure of the evaporator and the air conditioner can be designed, the multi-air outlet air supply function of the air conditioner can be realized, the air supply mode of the air conditioner is improved, and the comfort experience of a user is improved.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims (14)

1. A crossflow blower characterized in that it comprises:
the impeller is of a cylindrical structure;
the impeller comprises a plurality of blades, a first mounting seat and a second mounting seat, wherein the first mounting seat and the second mounting seat are oppositely arranged at two ends of the plurality of blades;
the plurality of blades are distributed circumferentially around the central axis of the impeller;
the first mounting seat is connected with one end of the plurality of blades to form a first end of the cylindrical structure, the second mounting seat is connected with the other end of the plurality of blades to form a second end of the cylindrical structure, a fan blade air inlet is formed in the second mounting seat, and the fan blade air inlet enables air to axially flow into the cylindrical structure;
the air guide structure is arranged inside the tubular structure, the air guide structure is provided with an air guide wall wound around the axis of the tubular structure, and the air guide wall guides the inlet air along the radial direction of the tubular structure or the direction of a 0-90 included angle formed by the radial direction of the tubular structure.
2. The crossflow blower of claim 1, wherein a first end of the air guide structure is fixed to the first mounting seat, and a second end of the air guide structure extends toward the second mounting seat;
the diameter of the outer peripheral wall of the air guide structure is gradually reduced along the direction from the first end of the air guide structure to the second end of the air guide structure to form the air guide wall.
3. The crossflow blower of claim 2, wherein the air guide structure is a conical cylindrical structure, a conical seat of the conical cylindrical structure is connected with the first mounting seat, and a conical tip of the conical cylindrical structure faces the second mounting seat.
4. The crossflow blower of claim 3,
and the conical surface of the conical cylindrical structure is provided with air guide ribs, the air guide ribs extend spirally along the conical tip to the conical seat, and the spiral extending direction of the air guide ribs is opposite to the rotating direction of the cross-flow fan.
5. The crossflow blower of claim 1 wherein the second end of the air guide structure is provided with a drive shaft mounting hole; and a first shaft hole coaxial with the driving shaft mounting hole is formed in the first mounting seat.
6. The crossflow blower of claim 5 wherein the second mounting base is provided with a projecting shaft structure,
and the protruding shaft structure is coaxially arranged with the driving shaft mounting hole and is used for being mounted to an external corresponding bearing rubber ring through hole shaft so as to provide limiting support for the cross-flow fan.
7. An air conditioner, characterized in that the air conditioner comprises: at least one crossflow blower as claimed in any of claims 1 to 6.
8. The air conditioner according to claim 6, wherein the air conditioner comprises:
the air conditioner comprises a shell, a first air inlet is formed in the left side of the shell, a second air inlet is formed in the right side of the shell, and an air outlet is formed in the front and/or the top and/or the lower portion of the shell;
the left and right cross-flow fans are coaxially arranged in the shell, a fan blade air inlet of one cross-flow fan is correspondingly communicated with the first air inlet, and a fan blade air inlet of the other cross-flow fan is correspondingly communicated with the second air inlet.
9. The air conditioner according to claim 8, further comprising: a driving assembly disposed between the two crossflow blowers,
the drive assembly includes: a fan blade motor; one end of the first transmission shaft is arranged at the left side of the fan blade motor, and the other end of the first transmission shaft is assembled with a driving shaft mounting hole of the cross-flow fan; and one end of the second transmission shaft is arranged on the right side of the fan blade motor, and the other end of the second transmission shaft is assembled with a driving shaft mounting hole of the other cross-flow fan.
10. The air conditioner according to claim 8, further comprising:
the first guide ring is arranged at the first air inlet, the first guide ring is provided with a first air passing channel with a gradually reduced diameter, and one end with a smaller diameter of the first air passing channel faces to a fan blade air inlet of the corresponding cross-flow fan; and/or the presence of a gas in the gas,
and the second guide ring is arranged at the second air inlet, a second air passing channel with a gradually reduced diameter is arranged on the second guide ring, and the smaller end of the second air passing channel faces the fan blade air inlet of the corresponding cross-flow fan.
11. The air conditioner according to claim 8, further comprising: an evaporator, a water-cooling device and a water-cooling device,
the evaporator is provided with a multi-section bending structure in the circumferential direction of the impeller, and one side of the evaporator close to the impeller is provided with at least one air guide curved surface structure;
the air guide curved surface structure is used for being matched with a bottom shell of the shell to block and pressurize partial air flow guided out by the cross flow fan, so that the air flow is sent out from an air outlet on the bottom shell.
12. The air conditioner according to claim 11, wherein the evaporator includes a first evaporator, a second evaporator, a third evaporator and a fourth evaporator connected in sequence,
the first evaporator and the second evaporator are positioned above the crossflow blower, the third evaporator is positioned in front of the crossflow blower, the fourth evaporator is positioned between the bottom case and the crossflow blower,
the air guide curved surface structures are two and are respectively arranged on the second evaporator and the fourth evaporator.
13. The air conditioner according to claim 12, wherein the air guide curved surface structure forms a wedge-shaped cross section in a radial sectional direction of the impeller,
the wide end of the wedge-shaped cross section of the air guide curved surface structure arranged on the second evaporator is close to one side of the third evaporator, and the narrow end of the wedge-shaped cross section of the air guide curved surface structure is close to one side of the first evaporator; and the wide end of the wedge-shaped cross section of the wind guide curved surface structure is positioned on one side far away from the third evaporator, and the narrow end of the wedge-shaped cross section of the wind guide curved surface structure is positioned on one side close to the third evaporator.
14. The air conditioner according to claim 13, wherein the wide end of the wedge-shaped section is an arc-shaped surface protruding outward.
CN202111223127.6A 2021-10-20 2021-10-20 Cross-flow fan and air conditioner with same Pending CN113847259A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111223127.6A CN113847259A (en) 2021-10-20 2021-10-20 Cross-flow fan and air conditioner with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111223127.6A CN113847259A (en) 2021-10-20 2021-10-20 Cross-flow fan and air conditioner with same

Publications (1)

Publication Number Publication Date
CN113847259A true CN113847259A (en) 2021-12-28

Family

ID=78982425

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111223127.6A Pending CN113847259A (en) 2021-10-20 2021-10-20 Cross-flow fan and air conditioner with same

Country Status (1)

Country Link
CN (1) CN113847259A (en)

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