WO2019096315A1 - 壁挂式空调器室内机 - Google Patents

壁挂式空调器室内机 Download PDF

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Publication number
WO2019096315A1
WO2019096315A1 PCT/CN2018/116268 CN2018116268W WO2019096315A1 WO 2019096315 A1 WO2019096315 A1 WO 2019096315A1 CN 2018116268 W CN2018116268 W CN 2018116268W WO 2019096315 A1 WO2019096315 A1 WO 2019096315A1
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WO
WIPO (PCT)
Prior art keywords
air
wall
indoor unit
air supply
conditioner indoor
Prior art date
Application number
PCT/CN2018/116268
Other languages
English (en)
French (fr)
Inventor
李英舒
关婷婷
闫宝升
王永涛
Original Assignee
青岛海尔空调器有限总公司
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Application filed by 青岛海尔空调器有限总公司 filed Critical 青岛海尔空调器有限总公司
Publication of WO2019096315A1 publication Critical patent/WO2019096315A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • 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
    • 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
    • F24F13/082—Grilles, registers or guards
    • 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
    • F24F13/20—Casings or covers
    • 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

Definitions

  • the present invention relates to an air conditioner, and more particularly to a wall-mounted air conditioner indoor unit.
  • the air conditioner is one of the necessary household appliances. As the user's requirements for comfort and health are getting higher and higher, the air supply method of the traditional air conditioner is to send the cold air into the room, and slowly convect the air with the surrounding air. Slower, can not give people a feeling of rapid cooling, and the air blower of the indoor unit blows directly to the person, which will adversely affect the health of the user, and is prone to air conditioning disease.
  • an indoor unit that ejects the air outlet with a gentle air supply which uses a small air outlet to drive the surrounding air to be blown, so that the air after the heat exchange is mixed with the surrounding air, but the air outlet is sprayed.
  • the requirements for the structure are high, so that the jet outlets are mostly used in cabinet-type indoor units with more space.
  • the casing In order to meet the structural requirements of the jet vent, it is often necessary to set the casing to a circular shape or other irregular shape in order to meet the structural requirements of the jet vent, on the one hand, the user's usage habits and the existing type of the hanging indoor unit. Cognitive gaps are not easily accepted by users; on the other hand, it also causes troubles for the installation of hanging indoor units. Therefore, the hanging indoor unit that uses the air outlet can not meet the user's requirements.
  • One object of the present invention is to provide a wall-mounted air conditioner indoor unit with a gentle heat transfer speed.
  • a further object of the present invention is to make the indoor unit of the wall-mounted air conditioner compact and conform to the user's usage habits.
  • the air conditioner is provided in The air supply opening includes an annular inner wall and an annular outer wall, wherein the annular inner wall defines a ventilation hole, the annular outer wall and the annular inner wall together define a supply air chamber, and an edge of the annular outer wall that meets the annular inner wall forms an air outlet, and the air outlet is used for
  • the airflow of the air supply chamber is sprayed forward, and the air at the rear of the air supply port is sucked through the air vent;
  • the heat exchanger is disposed inside the casing; and the air supply assembly includes: a centrifugal fan and a wind guiding component
  • the centrifugal fan is configured such that ambient air enters from the air inlet to exchange heat with the heat exchanger, and the airflow after heat exchange is discharged to the air supply chamber through the air guiding component.
  • the rear side edge of the annular inner wall is recessed toward the interior of the air supply chamber, and the annular outer wall has an outward flange at a position opposite the rear side edge of the annular inner wall such that the annular outer wall and the rear side edge of the annular inner wall The gap between them forms a jet.
  • the annular inner wall extends forwardly from the rear side edge thereof to form a Coanda surface that continuously expands outward; and the portion of the annular outer wall that is located at the rear side of the air injection component has a spiral shape so that the air flow of the air supply chamber is annular After the outer wall is ejected from the air vent, the surface of the Coanda formed along the inner wall of the ring is forwarded and the ambient air behind the air vent is extracted.
  • the housing comprises: a cover and a front panel disposed in front of the cover;
  • the wall-mounted air conditioner indoor unit further includes a partition, the partition is longitudinally disposed above the air jet component of the housing, and the partition and the front panel
  • the heat exchanger accommodating chamber is defined therebetween and is used to arrange the heat exchanger accommodating chamber of the heat exchanger.
  • a through hole is disposed in the center of the partition for the air collecting port of the centrifugal fan to pass through, so that the centrifugal fan sucks the air that exchanges heat with the heat exchanger in the heat receiving chamber; the impeller and the volute of the centrifugal fan are disposed.
  • the exhaust port of the volute is facing the side wall of the casing; the air inlet of the air guiding member is in contact with the exhaust port of the volute.
  • the air guiding component comprises: a drainage section having an air inlet of the air guiding component, and at least a portion of the drainage section is spirally shaped to guide the airflow direction of the centrifugal fan to be downward;
  • the drainage section tapers from the air inlet of the air guiding component in the direction of the airflow;
  • the air supply section is located below the heat exchanger accommodating cavity, and the distance in the front-rear direction is greater than the drain section, and the exhaust port of the air supply section is disposed on the front side of the plenum chamber on the side of the air-jet component.
  • the air-jet component comprises two spaced horizontal sections and two arcuate sections connecting the two sections of the horizontal section, wherein the arc of the arcuate sections on one side of the wind-guiding component of the two sections of the arc-shaped section
  • An air inlet of the air jet component is opened on the outer wall, and is connected to the air outlet of the air supply section.
  • the cover and the lower portion of the front panel form a front and rear air supply opening
  • the rear side of the cover forms a position of the air supply opening, so that the air circulation area is behind the air supply opening.
  • an oblong air supply opening is arranged under the housing for arranging the annular air-jet component, so that the airflow exchanged by the heat exchanger is ejected from the air outlet of the air-jet component, and is sucked.
  • the ambient air around the air supply port is mixed with the heat exchange airflow with a sharp temperature difference in the surrounding environment to ensure that the airflow sent out is soft and the feeling of blowing to the human body is more comfortable.
  • the air supply volume is increased, and the flow of indoor air is accelerated.
  • the indoor temperature is uniformly lowered as a whole, and the air outlet of the indoor unit of the wall-mounted air conditioner of the present invention is strip-shaped and disposed under the casing, and the overall structure is similar to the existing conventional hanging indoor unit, and is easily accepted by the user. Moreover, it is easy to replace the existing conventional hanging indoor unit, and the installation position is flexible.
  • the indoor unit of the wall-mounted air conditioner of the present invention has a compact internal structure and makes full use of the space inside the casing, so that the indoor unit of the wall-mounted air conditioner can be made thinner.
  • the indoor unit of the wall-mounted air conditioner of the present invention improves the position and structure of components such as a heat exchanger, a centrifugal fan, a wind guiding member, etc., on the one hand, reduces the occupied space, and on the other hand, can also reduce The air supply wind resistance.
  • FIG. 1 is a schematic external view of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention
  • FIG. 2 is a schematic exploded view of a wall-mounted air conditioner indoor unit according to an embodiment of the present invention
  • FIG. 3 is a schematic view of a jetting member in an indoor unit of a wall-mounted air conditioner according to an embodiment of the present invention
  • Figure 4 is a schematic cross-sectional flow diagram of the air flow taken along line A-A of Figure 3;
  • FIG. 5 is a schematic illustration of internal components of a wall-mounted air conditioner indoor unit in accordance with one embodiment of the present invention
  • Figure 6 is a schematic illustration of a blower assembly in a wall-mounted air conditioner indoor unit in accordance with one embodiment of the present invention.
  • the embodiment provides a wall-mounted air conditioner indoor unit 100.
  • the “upper”, “lower”, “front”, “rear”, “top” and “bottom” directions mentioned in the specification are in accordance with the wall-mounted air conditioner.
  • the spatial positional relationship in the normal operation state of the indoor unit 100 is limited.
  • the side facing the user of the wall-mounted air conditioner indoor unit 100 is the front side, and the side abutting against the mounting position is the rear side.
  • FIG. 1 is a schematic external view of a wall-mounted air conditioner indoor unit 100 according to an embodiment of the present invention
  • FIG. 2 is a schematic exploded view of a wall-mounted air conditioner indoor unit 100 according to an embodiment of the present invention.
  • the wall-mounted air conditioner indoor unit 100 may generally include a housing 110, a jet member 120, a heat exchanger 140, and a blower assembly.
  • the housing 110 may include a cover 112 and a front panel 114 disposed in front of the cover 112.
  • the casing 112 is formed by a top wall, a side wall, and a back, defining a space for accommodating internal components, and the front panel 114 is disposed in front of the casing 112, thereby closing the internal space of the casing 112.
  • An air inlet 116 and an air supply opening 117 are defined in the housing 110.
  • the air blowing port 117 is disposed in an oblong shape at a lower portion of the casing 110, and communicates with the surrounding environment in the upstream of the air blowing direction, and the air blowing member 120 is disposed in the air blowing port 117.
  • the air inlet 116 may be selected to be opened at any one or more of the following positions: the front panel 114, the top wall of the casing 112, and the side walls of the casing 112. Since the position of the air inlet 116 affects the direction of the airflow, it can be configured according to the position and shape of the heat exchanger 140 and the position and number of the air supply components.
  • the air supply opening 117 can be disposed through the lower portion of the housing 110 (the housing 112 and the front panel 114 are respectively provided with elongated circular through holes, thereby forming the front and rear through air outlets 117).
  • the position of the rear side of the casing 112 forming the air blowing port 117 is recessed forward so that there is an air circulation area 118 behind the air blowing port 117, so that the inside of the air blowing port 117 communicates with the air circulation area 118 for the ejection of the air ejection member 120.
  • the heat exchange gas can be sucked from the air circulation area 118 to mix the ambient air, and the temperature difference between the mixed air flow and the surrounding environment is small, softer, and the air supply amount is larger, thereby accelerating the flow of the indoor air.
  • the air injection component 120 may also be disposed at a position in front of the lower portion of the housing 110, and the housing 110 has a hollowed out area communicating with the surrounding environment at the rear of the air injection component 120, that is, upstream of the air supply direction.
  • the heat exchange gas jetted from the air jet part 120 can be sucked by the ambient air through the hollowed out area for mixing.
  • the heat exchanger 140 is disposed inside the housing 110.
  • the heat exchanger 140 exchanges heat with the air flowing therethrough to change the temperature of the air flowing therethrough.
  • the heat exchanger 140 is part of a refrigeration system, and the refrigeration system can be realized by a compression refrigeration cycle that utilizes a refrigerant in a compression phase change cycle of a compressor, a condenser, an evaporator, and a throttling device to achieve heat transfer.
  • the refrigeration system can also be provided with a four-way valve to change the flow direction of the refrigerant, so that the indoor unit heat exchanger 140 alternately functions as an evaporator or a condenser to realize a cooling or heating function. Since the compression refrigeration cycle in the air conditioner is well known to those skilled in the art, the working principle and configuration thereof will not be described herein.
  • the heat exchanger 140 may be in the form of a plate that is disposed against the front panel 114 of the housing 110.
  • the air supply assembly includes a centrifugal fan 131 and a wind guiding member 136.
  • the centrifugal fan 131 serves as a power source for the airflow in the indoor unit 100, and may be configured such that the ambient air enters from the air inlet 116 and exchanges heat with the heat exchanger 140, passes through the centrifugal fan 131, and is discharged downstream of the airflow, and finally passes through the air-jet component 120.
  • the outside of the indoor unit 100 is sent out.
  • the air guiding member 136 is connected between the exhaust port of the centrifugal fan 131 and the air supply chamber of the air injection member 120, and is used to guide the airflow discharged from the centrifugal fan 131 into the air supply chamber.
  • the air-jet member 120 is disposed in the air blowing port 117 and has an elliptical shape (or a racetrack shape) as a whole.
  • the center of the air-jet member 120 defines a ventilation hole 123 that penetrates forward and backward.
  • the size and specifications of the air-jet member 120 and its internal components can be set according to the air blowing capability of the air-sending unit centrifugal fan 131 and the specification position of the air guiding member 136.
  • 3 is a schematic view of a gas jet part 120 in a wall-mounted air conditioner indoor unit 100 according to an embodiment of the present invention
  • FIG. 4 is a schematic cross-sectional air flow flow diagram taken along line A-A of FIG.
  • the air-jet member 120 includes an annular inner wall 121 and an annular outer wall 122.
  • the annular inner wall 121 and the annular outer wall 122 together form the above-described oblong shape, and the inner side of the annular inner wall 121 is the exhaust hole 123.
  • the edge of the annular outer wall 122 that is in contact with the annular inner wall 121 forms a gas jet port 124 for ejecting the airflow of the air supply chamber 125 forward, and the air at the rear of the air supply port 117 is drawn through the air vent hole 123.
  • the rear side edge 126 of the annular inner wall 121 is recessed toward the interior of the air supply chamber 125, and the position of the annular outer wall 122 opposite the rear side edge 126 of the annular inner wall 121 has an outward flange 127 such that the annular outer wall 122 and the annular inner wall 121
  • the gap between the rear side edges 126 forms a gas vent 124.
  • the rear side edge 126 of the annular inner wall 121 recessed into the interior of the air supply chamber 125 may also have a function of guiding the airflow direction so that the airflow in the air supply chamber 125 is smoothly sent out from the air outlet 124.
  • the annular inner wall 121 extends forwardly from its rear side edge 126 to form a Coanda surface that continuously expands outward; and the portion of the annular outer wall 122 that is located on the rear side of the air injection component 120 is helically shaped such that the air flow along the air supply chamber 125 After the annular outer wall 122 is ejected from the air vent 124, the surface of the Coanda formed along the annular inner wall 121 is forwardly sent to drive the ambient air behind the air vent 117.
  • the extended inner angle of the annular inner wall 121 extending outwardly and continuously expanding may be 5 to 15 degrees.
  • the extended tilt angle can be set between 6 and 10 degrees, which is more advantageous for mixing with ambient air in the air vent 123.
  • the annular inner wall 121 and the annular outer wall 122 together define an annular supply air chamber 125 inside the air injection component 120, the annular inner wall 121 and the annular outer wall 122 having two spaced horizontal sections 128 and two sections connecting the two horizontal sections 128, respectively.
  • An arcuate section 129 wherein the annular outer wall 122 of the arcuate section 129 of the two arcuate sections 129 on one side of the wind guiding member 136 is provided with an air inlet of the air jet component 120 for receiving the air supply component After the heat exchange of air.
  • a support member 146 may be provided on the outer side of the curved section 129 on the other side for better fixing of the air injection member 120.
  • annular inner wall 121 and annular outer wall 122 are formed from a plurality of joined components, and in some preferred embodiments, annular inner wall 121 and annular outer wall 122 may be formed from a unitary molded piece.
  • the blast opening 124 can be a continuous annular groove. In some alternative embodiments, the blast opening 124 can also be formed on a portion of the annular inner wall 121 and the annular outer wall 122, or in a plurality of spaced sections.
  • the air vent 124 may be disposed only on the horizontal section 128 of the air blasting member 120 to make the air flow more uniform and to effectively illuminate the ambient air within the venting opening 123.
  • the width of the gas jet port 124 may be set to 1 to 3 mm. After extensive testing, the width of the gas jet port 124 may preferably be set to about 2 mm, and the jet port 124 of the size width ensures the heat exchange gas flow.
  • the jetting speed can minimize the windage loss of the heat exchange gas flow and reduce the noise.
  • the solid arrow is the direction of the airflow of the ambient air
  • the dotted arrow is the direction of the flow of the heat exchanger stream ejected by the jet 124.
  • the air-jet component 120 can also be driven by the motor and the transmission mechanism to achieve an overall up and down swing, adjust the air supply angle, and realize the swing air supply, thereby making the air outlet range wider.
  • FIG. 5 is a schematic illustration of internal components of a wall-mounted air conditioner indoor unit 100 in accordance with one embodiment of the present invention.
  • the interior of the wall-mounted air conditioner indoor unit 100 further includes a partition 143 that is longitudinally disposed above the air-jet component 120 inside the housing 110, and a heat exchanger accommodating cavity 144 is defined between the partition 143 and the front panel 114.
  • the partition 143 may have a recess adapted to the outer shape of the heat exchanger 140 so that the heat exchanger 140 can be secured within the heat exchanger receiving cavity 144.
  • the plate-shaped heat exchanger 140 is disposed in the heat exchanger accommodating cavity 144.
  • the heat exchanger 140 may be in multiple segments, one portion is disposed against the front panel 114, and the other portion is disposed adjacent to the casing.
  • the position of the heat exchanger 140 can be set according to the position of the air inlet 116.
  • the center of the partition 143 is provided with a through hole 145 for the air collecting port 132 of the centrifugal fan 131 to pass through, so that the centrifugal fan 131 sucks into the air exchanged with the heat exchanger 140 in the heat exchanger accommodating chamber 144.
  • the impeller 133 and the volute 134 of the centrifugal fan 131 are disposed in the space defined by the partition 143 and the casing 112, and the exhaust port of the volute 134 faces the side wall of the casing 110; the air inlet and the volute of the air guiding member 136
  • the exhaust ports of the casing 134 are connected.
  • FIG. 6 is a schematic illustration of a blower assembly in a wall-mounted air conditioner indoor unit 100 in accordance with one embodiment of the present invention.
  • the air supply assembly includes a centrifugal fan 131 and a wind guiding member 136. Since the air jet velocity of the air jet member 120 is secured, the air blowing assembly of the present embodiment employs the centrifugal fan 131 as a power source for the airflow.
  • the centrifugal fan 131 accelerates the gas by the high-speed rotating impeller 133 according to the principle that the kinetic energy is converted into potential energy, and then decelerates and changes the flow direction to convert the kinetic energy into potential energy. It generally includes a gas collection port 132, an impeller 133, and a volute 134.
  • the air collecting port 132 of the centrifugal fan 131 is an air inlet of the fan 131, and functions to ensure that the airflow can uniformly fill the inlet interface of the impeller 133 to reduce the flow loss. In the present embodiment, the air collecting port 132 of the centrifugal fan 131 is directed to the impeller 133.
  • the direction is tapered to form a bell mouth, and air that exchanges heat with the heat exchanger 140 in the heat exchanger accommodating chamber 144 can be sucked into the impeller 133 as much as possible.
  • the impeller 133 of the centrifugal fan 131 is rotated by the high-speed motor 135, the gas between the impellers 133 is rotated by the impeller 133 to obtain centrifugal force, and the gas is thrown out of the impeller 133 into the volute 134, and the gas pressure in the volute 134 is increased. Guided discharge. After the gas between the blades is discharged, a negative pressure is formed; the air in the heat exchanger accommodating chamber 144 outside the gas collection port 132 is continuously sucked, thereby forming a continuous gas flow.
  • the impeller 133 and the volute 134 of the centrifugal fan 131 are disposed in the space defined by the partition 143 and the casing 112, and the exhaust port of the volute 134 faces the side wall of the casing 110; the air inlet and the volute of the air guiding member 136 The exhaust ports of the casing 134 are connected.
  • the volute 134 is spirally shaped to absorb the air drawn from the impeller 133 and convert the dynamic pressure of the airflow into a static pressure through a wide cross-sectional area.
  • the air guiding member 136 is connected between the exhaust port of the centrifugal fan 131 and the air supply chamber 125 of the air injection member 120, and is used to guide the airflow discharged from the centrifugal fan 131 into the air supply chamber 125.
  • the wind deflecting member 136 can include a drain section 137 and a supply section 138.
  • the drainage section 137 has an air inlet of the air guiding member 136, and at least a portion of the drainage section 137 is spirally shaped, guiding the direction of the airflow discharged from the centrifugal fan 131 downward, and the drainage section 137 is along the air inlet of the air guiding member 136.
  • the direction of the airflow tapers to accelerate the airflow into the plenum 139 of the air supply section 138.
  • the air supply section 138 is in contact with the drainage section 137, and defines a gas collection chamber 139 therein for receiving the airflow discharged from the centrifugal fan 131.
  • the air supply section 138 is provided with an exhaust port facing the air injection component 120 to allow the air collection chamber 139.
  • the air flow is supplied to the air supply chamber 125.
  • the air supply section 138 forms a volute shape along the air outlet direction of the drainage section 137, reduces the wind resistance of the airflow in the air collection chamber 139, and forms a vortex in the air collection chamber 139, which can smoothly pass from the air collection chamber 139.
  • Supply air chamber 125 is supplied to the air supply chamber 125.
  • the above-mentioned drainage section 137 may be disposed on one side of the centrifugal fan 131. Due to the space limitation of the partition 143, the front-back distance of the drainage section 137 is small, and the supply section 138 is located below the heat exchanger accommodating chamber 144 (ie, the partition 143 and the lower portion of the heat exchanger 140), so that the distance in the front-rear direction is larger than the drain portion 137, and the exhaust port of the air supply portion 138 is disposed on the front portion of the collecting chamber 139 against the side of the air-jet member 120.
  • the air inlet of the air injection member 120 is disposed on the annular outer wall 122 of the arcuate section 129 on the side of the air guiding member 136 in the two arcuate sections 129.
  • a blower port 117 is disposed under the casing 110 for arranging the annular air-jet member 120 so that the airflow exchanged by the heat exchanger 140 is ejected from the air-jet port 124 of the air-jet component 120.
  • the ambient air around the air supply port 117 is mixed with the heat exchange airflow with a sharp temperature difference in the surrounding environment, thereby ensuring that the airflow sent out is soft, and the feeling of blowing to the human body is more comfortable, and on the other hand, the air supply amount of the indoor unit 100 is increased.
  • the indoor air flow is accelerated, and the indoor temperature can be uniformly lowered as a whole.
  • the air outlet of the wall-mounted air conditioner indoor unit 100 of the present invention has a strip shape and is disposed under the casing 110, and the overall structure is linked with the existing conventional structure.
  • the indoor unit is similar, easy to be accepted by the user, and is easy to replace the existing conventional hanging indoor unit.
  • the installation position is flexible, the internal components are compact, and the space inside the housing 110 is fully utilized, so that the wall-mounted air conditioner indoor unit can be made Thinner.
  • the flow direction of the heat exchange airflow of the wall-mounted air conditioner indoor unit 100 of the present embodiment is such that after the centrifugal fan 131 is started, the air around the indoor unit 100 is sucked into the heat exchanger accommodating chamber 144 from the air inlet 116, and is performed with the heat exchanger 140.
  • the heat exchange then enters the centrifugal fan 131, accelerates through the impeller 133, enters the air guiding member 136 via the volute 134, and is guided by the drainage section 137 of the air guiding member 136 to enter the plenum 139 of the air supply section 138.
  • the airflow enters the annular air supply chamber 125 in the plenum chamber 139 by vortexing and finally through the exhaust port of the air supply section 138 from the air inlet of the air injection component 120 opened on the annular outer wall 122 of the air guiding member 136.
  • the airflow entering the air supply chamber 125 is guided by the rear side edge 126 of the annular inner wall 121, and is ejected forward from the air outlet 124 at a high speed, and the air of the air circulation area 118 at the rear of the air supply port 117 is sucked through the air injection member 120.
  • the air vent 123 is mixed into the front of the indoor unit 100 and sent into the room, and the amount of airflow is greatly increased.
  • the airflow after the heat exchange is mixed with the ambient air to become a cool and cold airflow, which accelerates the flow of the indoor air.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)

Abstract

一种壁挂式空调器室内机（100），其包括：壳体（110），其上开设有进风口（116）以及送风口（117）；喷气部件（120），设置于送风口（116）内，其包括环形内壁（121）和环形外壁（122），其中环形内壁（121）限定出抽风孔（123），环形外壁（122）与环形内壁（121）共同限定出供风腔（125），并且环形外壁（122）与环形内壁（121）相接的边缘形成喷气口（124）；换热器（140），设置于壳体（110）内部；以及送风组件，其包括：离心风机（131）以及导风部件（136），离心风机（131）配置成使得环境空气从进风口（116）进入以与换热器（140）进行换热，并通过导风部件（136）将换热后的气流排向供风腔（125）。

Description

壁挂式空调器室内机 技术领域
本发明涉及空调器，特别是涉及壁挂式空调器室内机。
背景技术
空调器是必备的家用电器之一，随着用户对舒适性以及健康的要求也越来越高，传统空调的送风方式是将冷风送入室内后，与周围空气缓慢对流，换热速度较慢，不能给人迅速凉爽的感觉，而将室内机的送风口对人直吹，会对用户健康带来不利影响，容易出现空调病。
针对这一问题，现有技术中出现了柔和送风的喷射出风口的室内机，其利用较小的出风口带动周围空气吹出，使得换热后的空气与周围空气混合送出，然而喷射出风口对结构的要求较高，使得喷射出风口大多应用于空间较为充裕的柜式室内机中。而应用喷射出风口的挂式室内机为了满足喷射出风口的结构要求往往需要将机壳设置为圆形或者其他不规则的形状，一方面与用户的使用习惯以及对挂式室内机的已有认知存在差距，不容易被用户接受；另一方面也为挂式室内机的安装带来麻烦，因此应用喷射出风口的挂式室内机不能满足用户的使用要求。
发明内容
本发明的一个目的是要提供一种送风柔和换热速度快的壁挂式空调器室内机。
本发明一个进一步的目的是要使得壁挂式空调器室内机的结构紧凑，符合用户的使用习惯。
特别地，本发明提供了一种壁挂式空调器室内机，其包括：壳体，开设有进风口以及送风口，送风口为呈长圆形，设置于壳体的下部；喷气部件，设置于送风口内，其包括环形内壁和环形外壁，其中环形内壁限定出抽风孔，环形外壁与环形内壁共同限定出供风腔，并且环形外壁与环形内壁相接的边缘形成喷气口，喷气口用于将供风腔的气流向前喷出，并使得送风口后部的空气抽吸穿过抽风孔；换热器，设置于壳体内部；以及送风组件，其包括：离心风机以及导风部件，离心风机配置成使得环境空气从进风口进入以与换 热器进行换热，并通过导风部件将换热后的气流排向供风腔。
可选地，环形内壁的后侧边缘向供风腔内部凹入，并且环形外壁与环形内壁的后侧边缘相对的位置具有向外的翻边，从而使得环形外壁与环形内壁的后侧边缘之间的缝隙形成喷气口。
可选地，环形内壁从其后侧边缘向前延伸形成连续向外扩展的柯恩达表面；并且环形外壁位于喷气部件后侧的部分的截面成螺旋状，从而使得供风腔的气流沿环形外壁从喷气口喷出后，沿环形内壁形成的柯恩达表面向前送出，并带动抽出送风口后方的环境空气。
可选地，壳体包括：罩壳以及设置于罩壳前方的前面板；壁挂式空调器室内机还包括隔板，隔板纵向设置于壳体内部喷气部件的上方，隔板与前面板之间限定出换热器容纳腔，并且用于布置换热器的换热器容纳腔。
可选地，隔板的中央设置有通孔，供离心风机的集气口穿过，从而使得离心风机吸入换热器容纳腔内与换热器换热的空气；离心风机的叶轮与蜗壳设置于隔板与罩壳限定的空间内，并且蜗壳的排气口朝向壳体的侧壁；导风部件的进气口与蜗壳的排气口相接。
可选地，导风部件包括：引流段，其具有导风部件的进气口，并且引流段的至少部分段体成螺旋状，将离心风机排出的气流方向引导为向下；
可选地，引流段从导风部件的进气口沿气流方向渐缩；并且
可选地，供风段位于换热器容纳腔的下方，并且其前后方向的距离大于引流段，供风段的排气口设置于集气腔贴靠于喷气部件一侧的前部。
可选地，喷气部件包括两段间隔的水平区段以及连接两段水平区段的两段弧形区段，其中两段弧形区段中位于导风部件一侧的弧形区段的环形外壁上开设有喷气部件的进气口，与供风段的排气口相接。
可选地，罩壳与前面板的下部形成前后贯穿的送风口，并且罩壳的后侧形成送风口的位置向前凹入，使得在送风口后方具有空气流通区域。
本发明的壁挂式空调器室内机，壳体下方设置有长圆形的送风口，用于布置环形的喷气部件，使经过换热器换热的气流从喷气部件的喷气口喷出，抽吸送风口周围环境空气，与周围环境温差剧烈的换热气流进行混合，从而保证送出的气流柔和，吹至人体的感受更加舒适，一方面增大了送风量，加快了室内空气的流动，可以使室内温度整体均匀下降，而且本发明的壁挂式空调器室内机的出风口为条状，设置于壳体的下方，整体结构与现有的传统 挂式室内机较为相似，容易被用户接受，而且容易替换现有的传统挂式室内机，安装位置灵活。
进一步地，本发明的壁挂式空调器室内机，内部部件结构紧凑，充分利用壳体内的空间，可以使壁挂式空调器室内机变得更薄。
更进一步地，本发明的壁挂式空调器室内机，对换热器、离心风机、导风部件等部件的位置和构造均进行了改进，一方面减小了占用空间，另一方面也可以减少了送风风阻。
根据下文结合附图对本发明具体实施例的详细描述，本领域技术人员将会更加明了本发明的上述以及其他目的、优点和特征。
附图说明
后文将参照附图以示例性而非限制性的方式详细描述本发明的一些具体实施例。附图中相同的附图标记标示了相同或类似的部件或部分。本领域技术人员应该理解，这些附图未必是按比例绘制的。附图中：
图1是根据本发明一个实施例的壁挂式空调器室内机的示意性外观图；
图2是根据本发明一个实施例的壁挂式空调器室内机的示意性爆炸图；
图3是根据本发明一个实施例的壁挂式空调器室内机中喷气部件的示意图；
图4是沿图3中的剖切线A-A截取的示意性剖视的气流流向图；
图5是根据本发明一个实施例的壁挂式空调器室内机中内部部件的示意图；以及
图6是根据本发明一个实施例的壁挂式空调器室内机中送风组件的示意图。
具体实施方式
本实施例提供了一种壁挂式空调器室内机100，为了便于描述，说明书中提及的“上”“下”“前”“后”“顶”“底”等方位均按照壁挂式空调器室内机100正常工作状态下的空间位置关系进行限定，例如壁挂式空调器室内机100面向用户的一侧为前，贴靠于安装位置的一侧为后。
图1是根据本发明一个实施例的壁挂式空调器室内机100的示意性外观图，以及图2是根据本发明一个实施例的壁挂式空调器室内机100的示意性爆炸图。壁挂式空调器室内机100一般性地可包括：壳体110、喷气部件120、 换热器140、送风组件。其中壳体110可以包括：罩壳112以及设置于罩壳112前方的前面板114。罩壳112由顶壁、侧壁、后背形成，限定出容纳内部部件的空间，前面板114布置于罩壳112的前方，从而封闭罩壳112的内部空间。壳体110上开设有进风口116以及送风口117。其中送风口117为呈长圆形设置于壳体110的下部，并在送风方向的上游与周围环境连通，喷气部件120设置于送风口117内。进风口116可以选择开设在以下位置的任一处或多处：前面板114、罩壳112的顶壁、罩壳112的侧壁处。由于进风口116的位置会影响到进风气流的方向，可以根据换热器140的位置、形状以及送风组件的位置、数量进行配置。
在一些优选实施例中，送风口117可以前后贯穿设置于壳体110的下部(罩壳112以及前面板114的相应位置均开有长圆形的通孔，从而形成该前后贯穿的送风口117。罩壳112的后侧形成送风口117的位置向前凹入，使得在送风口117后方具有空气流通区域118，从而使得送风口117内部与空气流通区域118连通，供喷气部件120喷出的换热气体可以从该空气流通区域118抽吸环境空气，进行混合，混合后的气流与周围环境的温差小，更加柔和，而且送风量更大，加快了室内空气的流动。
可替代地，喷气部件120也可以设置于壳体110的下部靠前的位置，壳体110在喷气部件120的后部，也即在送风方向的上游开有与周围环境连通的镂空区，供喷气部件120喷出的换热气体可以通过镂空区抽吸环境空气，进行混合。
换热器140，设置于壳体110内部。换热器140与流经其的空气进行热交换，以改变流经其的空气的温度。换热器140作为制冷系统的一部分，制冷系统可以利用压缩制冷循环来实现，压缩制冷循环利用制冷剂在压缩机、冷凝器、蒸发器、节流装置的压缩相变循环实现热量的传递。制冷系统还可以设置四通阀，改变制冷剂的流向，使室内机换热器140交替作为蒸发器或冷凝器，实现制冷或者制热功能。由于空调器中压缩制冷循环是本领域技术人员所习知，其工作原理和构造在此不做赘述。换热器140可以为板式，贴靠于壳体110的前面板114设置。
送风组件包括：离心风机131以及导风部件136。离心风机131作为室内机100内气流流动的动力源，可以配置成使得环境空气从进风口116进入并与换热器140进行换热，经过离心风机131后向气流下游排出，最终通过 喷气部件120送出室内机100外部。导风部件136连接于离心风机131的排气口以及喷气部件120的供风腔之间，并用于将离心风机131排出的气流引导进入供风腔。
喷气部件120，设置于送风口117内，整体呈长圆形(或称跑道形)，喷气部件120的中央限定出抽风孔123，该抽风孔123前后贯通。喷气部件120及其内部部件的尺寸、规格，可以根据送风组件离心风机131的送风能力以及导风部件136的规格位置进行设置。图3是根据本发明一个实施例的壁挂式空调器室内机100中喷气部件120的示意图，图4是沿图3中的剖切线A-A截取的示意性剖视的气流流向图。
喷气部件120包括环形内壁121和环形外壁122，环形内壁121和环形外壁122共同形成上述长圆形，并且环形内壁121的内侧为抽风孔123。环形外壁122与环形内壁121相接的边缘形成喷气口124，喷气口124用于将供风腔125的气流向前喷出，并使得送风口117后部的空气抽吸穿过抽风孔123。
环形内壁121的后侧边缘126向供风腔125内部凹入，并且环形外壁122与环形内壁121的后侧边缘126相对的位置具有向外的翻边127，从而使得环形外壁122与环形内壁121的后侧边缘126之间的缝隙形成喷气口124。环形内壁121向供风腔125内部凹入的后侧边缘126还可以具有气流方向引导的作用，使供风腔125内的气流顺利地从喷气口124送出。
环形内壁121从其后侧边缘126向前延伸形成连续向外扩展的柯恩达表面；并且环形外壁122位于喷气部件120后侧的部分的截面成螺旋状，从而使得供风腔125的气流沿环形外壁122从喷气口124喷出后，沿环形内壁121形成的柯恩达表面向前送出，并带动抽出送风口117后方的环境空气。环形内壁121向前延伸连续向外扩展的扩展倾斜角度可以为5至15度，倾斜角度越大，喷气口124喷出的气流的向外扩展速度越快，经过大量的测试，环形内壁121的扩展倾斜角度可以设置为6至10度之间，这样更有利于与抽风孔123中的环境空气进行混合。
环形内壁121和环形外壁122共同限定出喷气部件120内部的环形的供风腔125，环形内壁121和环形外壁122分别具有两段间隔的水平区段128以及连接两段水平区段128的两段弧形区段129，其中两段弧形区段129中位于导风部件136一侧的弧形区段129的环形外壁122上开设有喷气部件 120的进气口，用于接收送风组件提供的经过换热后的空气。另一侧的弧形区段129的外侧可以设置支撑件146，从而用于更好的固定该喷气部件120。
环形内壁121和环形外壁122的上述区段由多个连接的部件形成，在一些优选实施例中，环形内壁121和环形外壁122可以由整体的模制件形成。
喷气口124可以为连续的环形槽，在一些可选实施例中，喷气口124也可以在环形内壁121和环形外壁122的一部分区段上形成，或者为间隔的多段。例如喷气口124可以仅仅设置在喷气部件120的水平区段128上，使得喷气更加均匀，并且可以有效地带动抽风孔123内的环境空气。为了提高喷气口124的射流速度，喷气口124的宽度可以设置为1至3mm，经过大量的测试，喷气口124的宽度可以优选设置为2mm左右，该尺寸宽度的喷气口124既保证换热气流的喷射速度，又可以尽量减少换热气流的风阻损失，减小噪音。在图4中实线箭头为环境空气的气流方向，虚线箭头为喷气口124喷出的换热气流的气流方向。
在一些优选实施例中，喷气部件120还可以由电机与传动机构驱动，实现整体的上下摆动，调节送风角度，实现摆动送风，从而使得出风范围更宽广。
图5是根据本发明一个实施例的壁挂式空调器室内机100中内部部件的示意图。壁挂式空调器室内机100的内部还包括隔板143，隔板143纵向设置于壳体110内部喷气部件120的上方，隔板143与前面板114之间限定出换热器容纳腔144。隔板143可以具有与换热器140外形相适配的凹陷，从而可以将换热器140固定在换热器容纳腔144内。板状的换热器140设置于换热器容纳腔144内，在一些可选实施例中，换热器140可以为多段，一部分贴靠于前面板114设置，另一部分贴靠设置于罩壳112的顶壁。换热器140的位置可以根据进风口116的位置进行设置。
隔板143的中央设置有通孔145，供离心风机131的集气口132穿过，从而使得离心风机131吸入换热器容纳腔144内与换热器140换热的空气。离心风机131的叶轮133与蜗壳134设置于隔板143与罩壳112限定的空间内，并且蜗壳134的排气口朝向壳体110的侧壁；导风部件136的进气口与蜗壳134的排气口相接。
图6是根据本发明一个实施例的壁挂式空调器室内机100中送风组件的示意图。送风组件包括：离心风机131以及导风部件136。由于保证喷气部 件120的空气射流速度，本实施例的送风组件采用了离心风机131作为气流的动力源。
离心风机131根据动能转换为势能的原理，利用高速旋转的叶轮133将气体加速，然后减速、改变流向，使动能转换成势能。其一般包括集气口132、叶轮133、蜗壳134。离心风机131的集气口132为风机131的进气口，其作用为保证气流能均匀地充满叶轮133的进口界面，降低流动损失，在本实施例中，离心风机131的集气口132向叶轮133的方向渐缩，形成喇叭口，可以尽量将换热器容纳腔144内与换热器140换热的空气吸入叶轮133。离心风机131的叶轮133由高速电机135带动随轴旋转时，叶轮133间的气体随叶轮133旋转而获得离心力，气体被甩出叶轮133，进入蜗壳134，蜗壳134内的气体压强增高被导向排出。叶片间的气体被排出后，形成负压；集气口132外的换热器容纳腔144内的空气不断地被吸入，从而形成连续气流。
离心风机131的叶轮133与蜗壳134设置于隔板143与罩壳112限定的空间内，并且蜗壳134的排气口朝向壳体110的侧壁；导风部件136的进气口与蜗壳134的排气口相接。蜗壳134成螺旋形，其吸集从叶轮133中甩出的空气，并通过渐阔的截面积，将气流的动压力转化为静压。
导风部件136连接于离心风机131的排气口以及喷气部件120的供风腔125之间，并用于将离心风机131排出的气流引导进入供风腔125。导风部件136可以包括引流段137和供风段138。
引流段137具有导风部件136的进气口，并且引流段137的至少部分段体成螺旋状，将离心风机131排出的气流方向引导为向下，引流段137从导风部件136的进气口沿气流方向渐缩，从而加快气流进入供风段138的集气腔139的风速。
供风段138与引流段137相接，其内部限定出集气腔139，以接纳离心风机131排出的气流，供风段138开有朝向喷气部件120的排气口，以使集气腔139的气流供向供风腔125。供风段138沿引流段137的出风方向形成蜗壳状，减少气流在集气腔139内的风阻，使其在集气腔139内形成涡旋，能够顺利地从集气腔139通向供风腔125。
上述引流段137可以设置在离心风机131的一侧，由于隔板143的空间限制，引流段137的前后距离较小，而供风段138位于换热器容纳腔144的下方(也即隔板143和换热器140的下方)，因此其前后方向的距离大于引 流段137，供风段138的排气口设置于集气腔139贴靠于喷气部件120一侧的前部。喷气部件120的进气口设置在两段弧形区段129中位于导风部件136一侧的弧形区段129的环形外壁122上。
本实施例的壁挂式空调器室内机100，壳体110下方设置有送风口117，用于布置环形的喷气部件120，使经过换热器140换热的气流从喷气部件120的喷气口124喷出，抽吸送风口117周围环境空气，与周围环境温差剧烈的换热气流进行混合，从而保证送出的气流柔和，吹至人体的感受更加舒适，一方面增大了室内机100的送风量，加快了室内空气的流动，可以使室内温度整体均匀下降，而且本发明的壁挂式空调器室内机100的出风口为条状，设置于壳体110的下方，整体结构与现有的传统挂式室内机较为相似，容易被用户接受，而且容易替换现有的传统挂式室内机，安装位置灵活，内部部件结构紧凑，充分利用壳体110内的空间，可以使壁挂式空调器室内机变得更薄。
本实施例的壁挂式空调器室内机100的换热气流的流向为：离心风机131启动后，室内机100周围的空气从进风口116吸入换热器容纳腔144内，与换热器140进行热交换，然后进入离心风机131，经过叶轮133的加速，经蜗壳134进入导风部件136，经过导风部件136的引流段137的导向，进入供风段138的集气腔139。气流在集气腔139以涡流式行进最终经过供风段138的排气口从导风部件136环形外壁122上开设的喷气部件120进气口进入环形的供风腔125。进入供风腔125的气流在环形内壁121的后侧边缘126的导向下，高速从喷气口124向前喷出，带动送风口117后部的空气流通区域118的空气抽吸穿过喷气部件120的抽风孔123，在室内机100前方混合后送入室内，出风风量大幅增加，同时换热后的气流与环境空气混合，变成凉而不冷的柔和气流，加快了室内空气的流动。
至此，本领域技术人员应认识到，虽然本文已详尽示出和描述了本发明的多个示例性实施例，但是，在不脱离本发明精神和范围的情况下，仍可根据本发明公开的内容直接确定或推导出符合本发明原理的许多其他变型或修改。因此，本发明的范围应被理解和认定为覆盖了所有这些其他变型或修改。

Claims (10)

  1. 一种壁挂式空调器室内机，包括：
    壳体，其开设有进风口以及送风口，所述送风口为呈长圆形，设置于所述壳体的下部；
    喷气部件，设置于所述送风口内，其包括环形内壁和环形外壁，其中所述环形内壁限定出抽风孔，所述环形外壁与所述环形内壁共同限定出供风腔，并且所述环形外壁与所述环形内壁相接的边缘形成喷气口，所述喷气口用于将所述供风腔的气流向前喷出，并使得所述送风口后方的空气抽吸穿过所述抽风孔；
    换热器，设置于所述壳体内部；以及
    送风组件，其包括：离心风机以及导风部件，所述离心风机配置成使得环境空气从所述进风口进入以与所述换热器进行换热，并通过所述导风部件将换热后的气流排向所述供风腔。
  2. 根据权利要求1所述的壁挂式空调器室内机，其中
    所述环形内壁的后侧边缘向所述供风腔内部凹入，并且所述环形外壁与所述环形内壁的后侧边缘相对的位置具有向外的翻边，从而使得所述环形外壁与所述环形内壁的后侧边缘之间的缝隙形成所述喷气口。
  3. 根据权利要求2所述的壁挂式空调器室内机，其中
    所述环形内壁从其后侧边缘向前延伸形成连续向外扩展的柯恩达表面；并且
    所述环形外壁位于所述喷气部件后侧的部分的截面成螺旋状，从而使得所述供风腔的气流沿所述环形外壁从所述喷气口喷出后，沿所述环形内壁形成的柯恩达表面向前送出，并带动抽出所述送风口后方的环境空气。
  4. 根据权利要求1所述的壁挂式空调器室内机，其中
    所述壳体包括：罩壳以及设置于所述罩壳前方的前面板；
    所述壁挂式空调器室内机还包括隔板，所述隔板纵向设置于所述壳体内部所述喷气部件的上方，所述隔板与所述前面板之间限定出用于布置所述换热器的换热器容纳腔。
  5. 根据权利要求4所述的壁挂式空调器室内机，其中
    所述隔板的中央设置有通孔，供所述离心风机的集气口穿过，从而使得所述离心风机吸入所述换热器容纳腔内与所述换热器换热的空气；
    所述离心风机的叶轮与蜗壳设置于所述隔板与所述罩壳限定的空间内，并且所述蜗壳的排气口朝向壳体的侧壁；
    所述导风部件的进气口与所述蜗壳的排气口相接。
  6. 根据权利要求5所述的壁挂式空调器室内机，其中所述导风部件包括：
    引流段，其具有所述导风部件的进气口，并且所述引流段的至少部分段体成螺旋状，将所述离心风机排出的气流方向引导为向下；
    供风段，与所述引流段相接，其内部限定出集气腔，以接纳所述离心风机排出的气流，所述供风段开有朝向所述喷气部件的排气口，以使所述集气腔的气流供向所述供风腔。
  7. 根据权利要求6所述的壁挂式空调器室内机，其中
    所述引流段从所述导风部件的进气口沿所述气流方向渐缩；并且
    所述供风段沿所述引流段的出风方向形成蜗壳状，减少气流在所述集气腔内的风阻。
  8. 根据权利要求7所述的壁挂式空调器室内机，其中
    所述供风段位于所述换热器容纳腔的下方，并且其前后方向的距离大于所述引流段，所述供风段的排气口设置于所述集气腔贴靠于所述喷气部件一侧的前部。
  9. 根据权利要求8所述的壁挂式空调器室内机，其中
    所述喷气部件包括两段间隔的水平区段以及连接所述两段水平区段的两段弧形区段，其中所述两段弧形区段中位于所述导风部件一侧的弧形区段的环形外壁上开设有所述喷气部件的进气口，与所述供风段的排气口相接。
  10. 根据权利要求4所述的壁挂式空调器室内机，其中
    所述罩壳与所述前面板的下部形成前后贯穿的所述送风口，并且所述罩壳的后侧形成所述送风口的位置向前凹入，使得在所述送风口后方具有空气流通区域。
PCT/CN2018/116268 2017-11-20 2018-11-19 壁挂式空调器室内机 WO2019096315A1 (zh)

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