WO2020098406A1 - 空调室内机和空调器 - Google Patents
空调室内机和空调器 Download PDFInfo
- Publication number
- WO2020098406A1 WO2020098406A1 PCT/CN2019/109145 CN2019109145W WO2020098406A1 WO 2020098406 A1 WO2020098406 A1 WO 2020098406A1 CN 2019109145 W CN2019109145 W CN 2019109145W WO 2020098406 A1 WO2020098406 A1 WO 2020098406A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- flow
- cross
- air
- stabilizing groove
- middle cover
- Prior art date
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Classifications
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
Definitions
- the present application relates to the technical field of air conditioning, in particular to an air conditioner indoor unit and an air conditioner using the air conditioner indoor unit.
- cross-flow fans are commonly used in air-conditioning equipment such as wall-mounted air conditioners and heaters.
- the inner wall surface of the rear volute of the volute is generally smooth, and the outer diameter of the middle cover of the cross-flow wind wheel is generally larger than the outer diameter of the fan blade. The middle cover of the cross-flow wind wheel will interfere with the air flow of the cross-flow fan laterally and affect the stability of the wind.
- the main purpose of the present application is to provide an indoor unit of an air conditioner, which aims to improve the outlet stability of a cross-flow fan.
- the air conditioner indoor unit proposed in this application includes a casing, a cross-flow fan provided in the casing, and a heat exchanger provided in the casing, the casing is provided with an air inlet and an air outlet , The cross-flow fan and the heat exchanger are located between the air inlet and the air outlet;
- the cross-flow fan includes a volute and a cross-flow wind wheel provided in the volute, the volute includes an upper air duct wall and a lower air duct wall, and an air duct is formed between the upper air duct wall and the lower air duct wall , The end of the lower wall of the air duct near the air inlet is provided with a rear volute tongue;
- the cross flow wind wheel includes two end covers and at least one middle cover provided between the two end covers, and the end cover is provided with blades between the middle cover and the adjacent middle cover;
- the inner wall surface of the rear scroll tongue is provided with a flow stabilizing groove, and the notch of the flow stabilizing groove is disposed toward the middle cover.
- a reinforcement rib is provided at a position of the outer wall surface of the lower wall of the air duct corresponding to the flow stabilizing groove.
- the flow stabilizing groove extends along the inner wall of the rear volute facing the air outlet.
- the angle between the line connecting the center of the cross-flow wheel and the center of the cross-wind wheel at the minimum distance between the rear volute tongue and the cross-flow wind wheel is ⁇
- the The extension length corresponding to the center angle of the center of the cross-flow wind wheel is ⁇ , then ⁇ + 45 °.
- the width of the flow stabilizing groove is defined as Wc, and the thickness of the middle cover is ⁇ , then ( ⁇ + 5) mm ⁇ Wc ⁇ 20 mm.
- the maximum depth of the steady flow groove is defined as Dc, and the distance from the outer edge of the blade to the outer edge of the middle cover is ⁇ , then 0.5mm ⁇ Dc ⁇ ( ⁇ + 3 ) Mm.
- the maximum depth of the flow stabilizing groove is located between both ends of the flow stabilizing groove, and the depth of the flow stabilizing groove gradually decreases from the maximum depth to both ends.
- the minimum distance between the rear volute and the cross flow wind wheel is defined as ⁇ , and the outer diameter of the middle cover is D2, then 0.035D2 ⁇ 0.065D2.
- the flow stabilizing grooves and the middle cover there are a plurality of the flow stabilizing grooves and a plurality of the middle cover, and the flow stabilizing grooves and the middle cover are arranged one by one in the radial direction.
- the present application also proposes an air conditioner including an air conditioner indoor unit.
- the air conditioner indoor unit includes a casing, a cross-flow fan provided in the casing, and a heat exchanger provided in the casing.
- the casing is provided with an air inlet and an air outlet, and the cross-flow fan and the heat exchanger are located between the air inlet and the air outlet;
- the cross-flow fan includes a volute and a cross-flow wind wheel provided in the volute, the volute includes an upper air duct wall and a lower air duct wall, and an air duct is formed between the upper air duct wall and the lower air duct wall , The end of the lower wall of the air duct near the air inlet is provided with a rear volute tongue;
- the cross flow wind wheel includes two end covers and at least one middle cover provided between the two end covers, and the end cover is provided with blades between the middle cover and the adjacent middle cover;
- the inner wall surface of the rear scroll tongue is provided with a flow stabilizing groove, and the notch of the flow stabilizing groove is disposed toward the middle cover.
- a stabilizing groove is provided on the inner wall surface of the rear volute tongue of the volute, and the notch of the stabilizing groove is arranged toward the middle cover of the cross-flow wind wheel, so that when the cross-flow fan runs,
- the flow groove can weaken the interference of the middle cover of the cross-flow wind wheel on the lateral airflow, reduce the axial flow disturbance of the flow area of the wind wheel, improve the stability of the wind flow of the cross-flow fan, reduce the risk of surge, improve the sound quality, and enhance the user experience.
- the cross-flow fan can still operate normally, and has good wind stability and sound quality, and the user's actual experience is higher.
- the opening of the flow stabilizing groove provides additional structural clearance, which can be used to meet the clearance requirements of the structural design between the middle cover of the cross flow wind wheel and the volute.
- the cross-flow wind wheel can be designed to be closer to the inner wall surface of the rear volute tongue, which can make the blades of the cross-flow wind wheel closer to the inner wall surface of the rear volute tongue.
- the inner wall surface of the rear volute tongue and the cross-flow wind can be reduced.
- the distance between the blades of the wheel reduces the airflow leakage at the rear volute, reduces the size and strength of the circulating and internal return areas of the cross-flow fan, and improves the performance of the air duct (increasing the air volume of the cross-flow fan at the same speed, Reduce the power of the cross-flow fan under the same air volume), and at the same time make the noise of the cross-flow fan under the same air volume reduced.
- FIG. 1 is a schematic structural diagram of an embodiment of a cross-flow fan according to this application.
- FIG. 2 is a schematic structural view of the tubular fan in FIG. 1 after removing the tubular fan;
- FIG. 3 is a schematic structural view of the cross flow wind wheel in FIG. 1 from another perspective;
- FIG. 4 is a schematic longitudinal cross-sectional view of the cross flow wind wheel in FIG. 3;
- FIG. 5 is a schematic longitudinal cross-sectional view of the cross-flow fan in FIG. 1.
- first”, “second”, etc. in this application are for descriptive purposes only, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated.
- the features defined with “first” and “second” may include at least one of the features either explicitly or implicitly.
- the meaning of “plurality” is at least two, such as two, three, etc., unless otherwise specifically limited.
- fixed may be a fixed connection, a detachable connection, or integrated; It is a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediary. It can be the connection between two elements or the interaction between two elements, unless otherwise clearly defined.
- the present application proposes an air conditioner indoor unit, which aims to improve the air outlet stability of the cross-flow fan 100.
- the air-conditioning indoor unit includes a casing, a cross-flow fan 100 provided in the casing, and a heat exchanger provided in the casing.
- the casing is provided with an air inlet 10a and an air outlet 10b.
- the cross-flow fan 100 and the heat exchanger are located in the inlet Between the air outlet 10a and the air outlet 10b.
- the cross-flow fan 100 includes a volute and a cross-flow wind wheel 50 provided in the volute, the volute It includes an upper duct wall 30 and a lower duct wall 10, an air duct is formed between the upper duct wall 30 and the lower duct wall 10, and an end of the lower duct wall 10 near the air inlet 10a is provided with a rear snail Tongue 11
- the cross-flow wind wheel 50 includes two end covers 51 and at least one middle cover 53 provided between the two end covers 51. Blades 55 are provided between the end cover 51 and the middle cover 53 and the adjacent middle cover 53. ;
- a flow stabilizing groove 111 is opened on the inner wall surface of the rear volute tongue 11, and the notch of the flow stabilizing groove 111 is disposed toward the middle cover 53.
- the cross-flow fan 100 further includes a bearing housing 70 and a motor 90, and at the same time, a steel shaft 57 is provided on one end cover 51 of the cross-flow wind wheel 50, and a bush and a screw are provided on the other end cover 51. Further, one end of the cross-flow wind wheel 50 is fixed to the bearing housing 70 through the steel shaft 57 and the bearing seat 70 is fixed to the volute; the other end of the cross-flow wind wheel 50 is fixed to the motor 90 through the bus and screws , And the motor 90 is fixed on the volute.
- a flow stabilizing groove 111 is provided on the inner wall surface of the rear volute tongue 11 of the volute, and the notch of the flow stabilizing groove 111 is disposed toward the middle cover 53 of the cross flow wind wheel 50, so that when the cross flow When the fan 100 is running, the flow stabilizing groove 111 can weaken the interference of the middle cover 53 of the cross-flow wind wheel 50 on the lateral airflow, reduce the axial airflow disturbance in the cross-flow area of the wind wheel, improve the outflow stability of the cross-flow fan 100, and reduce the surge Risk, improve sound quality and enhance user experience.
- the cross-flow fan 100 can still operate normally, and has good wind stability and sound quality, and the user's actual experience is high.
- the opening of the flow stabilizing groove 111 provides additional structural clearance, which can be used to meet the clearance requirements of the structural design between the middle cover 53 of the cross flow wind wheel 50 and the volute.
- the cross flow wind wheel 50 can be designed to be closer to the inner wall surface of the rear volute tongue 11, so that the blade 55 of the cross flow wind wheel 50 can be closer to the inner wall surface of the rear volute tongue 11, so that the rear volute tongue 11 can be reduced
- the distance between the inner wall surface and the blade 55 of the cross-flow wind wheel 50 reduces the airflow leakage at the rear volute 11, reduces the size and strength of the circulating and internal return areas of the cross-flow fan 100, and improves the performance of the air duct ( Raise the air volume of the cross-flow fan 100 at the same speed, and reduce the power of the cross-flow fan 100 at the same air volume), and at the same time, reduce the noise of the cross-flow fan 100 at the same air volume.
- the flow stabilizing groove 111 extends along the inner wall of the rear volute tongue 11 toward the air outlet 10b. That is, the flow stabilizing groove 111 extends along the inner wall surface of the air duct lower wall 10 in the direction from the air inlet 10a to the air outlet 10b. That is, the longitudinal direction of the flow stabilizing groove 111 coincides with the flow direction of the air flow close to the inner wall surface of the lower wall 10 of the air duct.
- the flow stabilizing groove 111 can play a role of guiding the air flow direction near the middle cover 53 of the cross flow wind wheel 50, so that the air flow near the middle cover 53 of the cross flow wind wheel 50 can smoothly flow to the air outlet 10b, and reduce the disturbance of the air flow near the middle cover 53.
- the flow stabilizing groove 111 can play a role of guiding the air flow direction near the middle cover 53 of the cross flow wind wheel 50, so that the air flow near the middle cover 53 of the cross flow wind wheel 50 can smoothly flow to the air outlet 10b, and reduce the disturbance of the air flow near the middle cover 53.
- the rear volute tongue 11 and the cross-flow wind wheel 50 are defined between a longitudinal cross-section of the cross-flow fan 100, the rear volute tongue 11 and the cross-flow wind wheel 50 are defined
- the angle between the line connecting the center of the cross-flow wind wheel 50 at the minimum distance and the horizontal direction is ⁇ , and the extension length of the flow stabilizing groove 111 is defined to correspond to the center angle of the center of the cross-flow wind wheel 50 as ⁇ , Then ⁇ + 45 °.
- a convex portion 113 is formed on the inner wall surface of the rear scroll tongue 11, and the convex portion 113 extends along the axial direction of the cross flow fan 100.
- the distance from the apex of the convex portion 113 to the cross-flow fan 50 is the smallest distance from any point on the inner wall surface of the air duct lower wall 10 to the cross-flow fan 50.
- the flow stabilizing groove 111 is opened on the surface of the convex portion 113 facing away from the air inlet 10a, and the flow stabilizing groove 111 is formed from the apex position of the convex portion 113 and along the surface of the convex portion 113 facing away from the air inlet 10a It extends toward the air outlet 10b. That is, the flow stabilizing groove 111 is located on the surface of the convex portion 113 facing away from the air inlet 10a.
- the angle between the apex of the convex portion 113 and the center of the cross flow wind wheel 50 and the horizontal direction is ⁇ ;
- the angle between the connection line of the center of the wheel 50 and the end point of the steady flow groove 111 adjacent to the air outlet 10b and the center of the cross flow wind wheel 50 is ⁇ , then ⁇ + 45 °.
- the position of the flow stabilizing groove 111 can be limited to a section of the inner wall surface of the lower wall 10 of the air duct that is closer to the cross-flow rotor 50.
- the effect of the flow stabilizing groove 111 on the drainage of the airflow near the middle cover 53 Better and more efficient, that is, the stable flow groove 111 at this time can more effectively weaken the interference of the middle cover 53 of the cross-flow wind wheel 50 on the lateral airflow, thereby further reducing the axial airflow disturbance in the flow area of the wind wheel and improving the flow
- the flow stability of the flow fan 100 reduces the risk of surge, improves sound quality, and enhances the user experience.
- the back of the above area is generally not designed with other auxiliary structures; therefore, the arrangement of the flow stabilizing groove 111 can effectively enhance the strength of the area, reduce the deformation of the air duct in the area, and ensure the stable performance of the air duct , Stable sound quality, improve the reliability of cross-flow fan 100.
- the width of the flow stabilizing groove 111 is defined as Wc, and the thickness of the middle cover 53 is ⁇ , then ( ⁇ + 5) mm ⁇ Wc ⁇ 20mm.
- the width Wc of the flow stabilizing groove 111 is not less than ( ⁇ + 5) mm, and the width of the flow stabilizing groove 111 is adapted to the thickness of the middle cover 53; in this way, it can not only meet the deviation requirements and manufacturability of manufacturing
- the demand is conducive to improving the convenience and reliability of the production and assembly of the cross-flow fan 100, and can also meet the gap requirements of the structural design, avoid squeezing and friction between related components, and prevent the rotation of the wind wheel from being adversely affected, thereby Improve the structural stability and reliability of the cross-flow fan 100, improve the operational reliability of the cross-flow fan 100, and ensure the high energy efficiency and air duct performance of the cross-flow fan 100;
- the width Wc of the flow stabilizing groove 111 does not exceed 20 mm; in this way, the problem of airflow leakage caused by the width of the flow stabilizing groove 111 being too large can be avoided, and the size and size of the circulation return area and inner return area of the cross flow fan 100 can be reduced.
- Strength improve the performance of the air duct (improve the air volume of the cross-flow fan 100 at the same speed, and reduce the power of the cross-flow fan 100 at the same air volume), and at the same time, reduce the noise of the cross-flow fan 100 at the same air volume.
- width Wc of the flow stabilizing groove 111 is less than ( ⁇ + 5) mm, it cannot meet the deviation requirements of manufacturing, cannot meet the manufacturability requirements, and cannot meet the gap requirements of structural design; if the width of the flow stabilizing groove 111 If Wc exceeds 20mm, it will cause a large leakage of airflow at the rear volute 11, and the performance of the air duct will drop suddenly.
- the maximum depth of the flow stabilizing groove 111 is defined as Dc, and the outer edge of the blade 55 to the outer edge of the middle cover 53 The distance is ⁇ , then 0.5mm ⁇ Dc ⁇ ( ⁇ + 3) mm.
- the maximum depth Dc of the flow stabilizing groove 111 is not less than 0.5mm; in this way, it can not only meet the deviation requirements and manufacturability requirements of production, but also help to improve the convenience and reliability of the production and assembly of the cross-flow fan 100. In addition, it can also meet the gap requirements of structural design, avoid squeezing and friction between related components, and prevent the rotation of the wind wheel from being adversely affected, thereby improving the structural stability and reliability of the cross-flow fan 100 and improving the performance of the cross-flow fan 100. Reliability of operation guarantees high energy efficiency and air duct performance of the cross-flow fan 100;
- the maximum depth Dc of the flow stabilizing groove 111 does not exceed ( ⁇ + 3) mm, and the maximum depth Dc of the flow stabilizing groove 111 is adapted to the distance ⁇ from the outer edge of the blade 55 to the outer edge of the middle cover 53; , Can avoid the airflow leakage problem caused by the maximum depth of the stable flow groove 111, reduce the size and strength of the circulating and internal return areas of the cross-flow fan 100, and improve the performance of the air duct (improving the cross-flow fan 100 at the same speed) The air volume of the cross-flow fan 100 is reduced under the same air volume), and at the same time, the noise of the cross-flow fan 100 under the same air volume is reduced.
- the maximum depth Dc of the flow stabilizing groove 111 is less than 0.5 mm, it cannot meet the deviation requirements of manufacturing, cannot meet the manufacturability requirements, and cannot meet the gap requirements of structural design; if the maximum depth Dc of the flow stabilizing groove 111 exceeds ( ⁇ + 3) mm, it will cause a large airflow leakage at the rear volute 11 and the performance of the air duct will drop suddenly.
- the maximum depth of the flow stabilizing groove 111 is located between both ends of the flow stabilizing groove 111, and the flow stabilizing groove 111 The depth gradually decreases from the maximum depth to both ends. In this way, the air flow in the flow stabilizing groove 111 can flow more smoothly, which can reduce the occurrence of turbulence and the adverse effects of the turbulence on the lateral wind output, and improve the stability of the wind output.
- the shape of the bottom surface of the flow stabilizing groove 111 may be an arc shape, a trapezoid shape, or the like.
- the minimum distance between the rear scroll tongue 11 and the cross-flow wind wheel 50 is defined as ⁇ , and the outer surface of the middle cover 53 If the diameter is D2, then 0.035D2 ⁇ 0.065D2.
- the minimum distance ⁇ between the rear volute 11 and the cross-flow wind wheel 50 does not exceed 0.065D2, so that the distance between the inner wall surface of the rear volute 11 and the blade 55 of the cross-flow wind wheel 50 can be further reduced
- the airflow leakage at the rear volute 11 reduces the size and strength of the circulation return area and internal return area of the cross-flow fan 100, improves the performance of the air duct (improves the air volume at the same speed of the cross-flow fan 100, and reduces the Power at air volume), and at the same time, the noise of the cross-flow fan 100 at the same air volume can be reduced.
- the minimum distance ⁇ between the rear volute 11 and the cross-flow wind wheel 50 is not less than 0.035D2. In this way, the energy efficiency of the cross-flow fan 100 and the performance of the air duct are suddenly reduced due to the close distance, and the air duct is protected. Performance, energy efficiency of fans.
- the resistance of the cross-flow fan 100 during operation will suddenly increase, and the energy efficiency and air duct performance will suddenly decrease; if the rear scroll tongue 11 If the minimum distance ⁇ from the cross-flow wind wheel 50 exceeds 0.065D2, a large air leakage at the rear volute 11 will be caused, causing a sudden drop in the performance of the air duct.
- the cross-flow fan 100 of the present application there are a plurality of the flow stabilizing grooves 111 and a number of the middle cover 53.
- the flow stabilizing grooves 111 and the middle The covers 53 are arranged one to one in the radial direction.
- the widths of the several flow stabilizing grooves 111 may be uniform or non-uniform; the maximum depth of the plurality of flow stabilizing grooves 111 may or may not be uniform.
- each flow stabilizing groove 111 can play a role in guiding the airflow near the corresponding middle cover 53, thereby further reducing the disturbance of the airflow near the middle cover 53, avoiding the disturbance of the turbulence on the lateral airflow, and finally further improving the penetration The airflow stability of the flow fan 100.
- the outer wall surface of the lower wall 10 of the air duct is provided with reinforcing ribs.
- a plurality of reinforcing ribs may be provided, and the plurality of reinforcing ribs may be arranged in parallel with each other, or may be arranged in a horizontal and vertical staggered manner, or may be in other reasonable and effective installation forms.
- the reinforcing rib is provided at a position corresponding to the flow stabilizing groove 111 on the outer wall surface of the lower wall 10 of the air duct.
- the groove (stabilization groove 111) formed on the inner wall surface of the air duct lower wall 10, supplemented by the reinforcement ribs at the back, can further strengthen the strength of the air duct lower wall 10 and reduce the deformation amount of the air duct lower wall 10, especially It can reduce the deformation of the lower wall 10 of the air duct after long-term service, thereby effectively improving the structural stability of the cross-flow fan 100, improving the stability of the air duct performance and sound quality of the cross-flow fan 100, and improving the cross-flow fan 100. reliability.
- the present application also proposes an air conditioner including an air conditioner outdoor unit and an air conditioner indoor unit.
- the specific structure of the air conditioner indoor unit refers to the above embodiments. Since the air conditioner adopts all the technical solutions of all the above embodiments, at least All technical effects brought by all the technical solutions of all the above embodiments will not be repeated here.
- the outdoor unit of the air conditioner and the indoor unit of the air conditioner are connected by a refrigerant circulation pipe and a wire.
Abstract
Description
标号 | 名称 | 标号 | 名称 |
100 | 贯流风机 | 50 | 贯流风轮 |
10 | 风道下壁 | 51 | 端盖 |
10a | 进风口 | 53 | 中盖 |
10b | 出风口 | 55 | 叶片 |
11 | 后蜗舌 | 57 | 钢轴 |
111 | 稳流槽 | 70 | 轴承座 |
113 | 凸起部 | 90 | 电机 |
30 | 风道上壁 |
Claims (10)
- 一种空调室内机,其中,所述空调室内机包括壳体、设于所述壳体内的贯流风机、以及设于所述壳体内的换热器,所述壳体设有进风口和出风口,所述贯流风机和所述换热器位于所述进风口和出风口之间;所述贯流风机包括蜗壳和设于所述蜗壳内的贯流风轮,所述蜗壳包括风道上壁和风道下壁,所述风道上壁和风道下壁之间形成出风风道,所述风道下壁的靠近所述进风口的一端设有后蜗舌;所述贯流风轮包括两端盖和设于两端盖之间的至少一个中盖,所述端盖与所述中盖以及相邻中盖之间设有叶片;所述后蜗舌的内壁面开设有稳流槽,所述稳流槽的槽口朝向所述中盖设置。
- 如权利要求1所述的空调室内机,其中,所述风道下壁外壁面的对应所述稳流槽的位置处设有加强筋。
- 如权利要求1所述的空调室内机,其中,所述稳流槽沿所述后蜗舌的内壁面向所述出风口延伸设置。
- 如权利要求3所述的空调室内机,其中,所述后蜗舌与所述贯流风轮之间距离最小处与所述贯流风轮中心的连线与水平方向的夹角为θ,所述稳流槽的延伸长度对应所述贯流风轮中心所呈的圆心角为α,则α≤θ+45°。
- 如权利要求3所述的空调室内机,其中,定义所述稳流槽的宽度为Wc,所述中盖的厚度为ε,则mm≤Wc≤20mm。
- 如权利要求3所述的空调室内机,其中,定义所述稳流槽的最大深度为Dc,所述叶片的外缘到所述中盖的外缘的距离为δ,则0.5mm≤Dc≤mm。
- 如权利要求6所述的空调室内机,其中,所述稳流槽的最大深度处位于所述稳流槽的两端之间,所述稳流槽的深度由最大深度处向两端逐渐减小。
- 如权利要求1所述的空调室内机,其中,定义所述后蜗舌与所述贯流风轮之间的最小距离为τ,所述中盖的外径为D2,则0.035D2≤τ≤0.065D2。
- 如权利要求1至8中任一项所述的空调室内机,其中,所述稳流槽设有若干,所述中盖设有若干,所述稳流槽与所述中盖沿径向一一相对设置。
- 一种空调器,其中,所述空调器包括空调室内机,所述空调室内机包括壳体、设于所述壳体内的贯流风机、以及设于所述壳体内的换热器,所述壳体设有进风口和出风口,所述贯流风机和所述换热器位于所述进风口和出风口之间;所述贯流风机包括蜗壳和设于所述蜗壳内的贯流风轮,所述蜗壳包括风道上壁和风道下壁,所述风道上壁和风道下壁之间形成出风风道,所述风道下壁的靠近所述进风口的一端设有后蜗舌;所述贯流风轮包括两端盖和设于两端盖之间的至少一个中盖,所述端盖与所述中盖以及相邻中盖之间设有叶片;所述后蜗舌的内壁面开设有稳流槽,所述稳流槽的槽口朝向所述中盖设置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201811374049.8A CN109307319A (zh) | 2018-11-16 | 2018-11-16 | 空调室内机和空调器 |
CN201811374049.8 | 2018-11-16 |
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WO2020098406A1 true WO2020098406A1 (zh) | 2020-05-22 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109307319A (zh) * | 2018-11-16 | 2019-02-05 | 广东美的制冷设备有限公司 | 空调室内机和空调器 |
CN110043513A (zh) * | 2019-05-22 | 2019-07-23 | 宁波奥克斯电气股份有限公司 | 贯流风叶、轴承固定座、风机组件及空调器 |
CN110145801A (zh) * | 2019-06-24 | 2019-08-20 | 宁波奥克斯电气股份有限公司 | 一种壁挂式空调器 |
CN110553399B (zh) * | 2019-07-17 | 2021-07-20 | 珠海格力电器股份有限公司 | 一种贯流风道组件及暖风机 |
CN116033724B (zh) * | 2023-03-27 | 2023-06-27 | 四川宏华电气有限责任公司 | 一种顶置卧式空调的电气控制房 |
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