WO2020238896A1 - Structure de renfort de sortie d'air de volute et climatiseur - Google Patents

Structure de renfort de sortie d'air de volute et climatiseur Download PDF

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Publication number
WO2020238896A1
WO2020238896A1 PCT/CN2020/092337 CN2020092337W WO2020238896A1 WO 2020238896 A1 WO2020238896 A1 WO 2020238896A1 CN 2020092337 W CN2020092337 W CN 2020092337W WO 2020238896 A1 WO2020238896 A1 WO 2020238896A1
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WO
WIPO (PCT)
Prior art keywords
volute
air outlet
air
connecting plate
air conditioner
Prior art date
Application number
PCT/CN2020/092337
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English (en)
Chinese (zh)
Inventor
范慧
李颂勤
李文豪
Original Assignee
宁波奥克斯电气股份有限公司
奥克斯空调股份有限公司
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 宁波奥克斯电气股份有限公司, 奥克斯空调股份有限公司 filed Critical 宁波奥克斯电气股份有限公司
Publication of WO2020238896A1 publication Critical patent/WO2020238896A1/fr

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Classifications

    • 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
    • F04D29/4233—Fan casings with volutes extending mainly in axial or radially inward direction
    • 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
    • F04D29/02—Selection of particular materials
    • 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
    • F04D29/02—Selection of particular materials
    • F04D29/023—Selection of particular materials 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • 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
    • 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
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • 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

Definitions

  • the embodiment of the present disclosure relates to a volute air outlet reinforcement structure and an air conditioner.
  • a cross flow fan is usually installed in the indoor unit, and a volute is provided outside the cross flow fan.
  • An air duct is formed between the volute and the cross flow fan. Air inlet and outlet.
  • the front panel of the vertical cabinet air conditioner is directly hung on the air outlet of the volute. Due to the large area and thick thickness of the front panel, the weight is relatively large.
  • the air outlet is generally made of plastic injection molding, which has limited strength and cannot Long-term stable bearing the weight of the front panel.
  • the volute is generally made of plastic with low hardness and strength. Therefore, the volute is easily deformed during the long-term use of the air conditioner. Among them, especially the air outlet of the volute, due to the large hollow area and lack of strong support, it is extremely easy to deform and affect the normal air outlet.
  • a volute air outlet reinforced structure and an air conditioner are provided to improve the strength of the volute air outlet, especially to increase the connection strength between the volute air outlet and the front panel, and to ensure stable air discharge from the volute air outlet.
  • the embodiments of the present disclosure design a volute air outlet reinforcement structure and an air conditioner to improve the strength of the volute air outlet, especially to increase the connection strength between the volute air outlet and the front panel, and to ensure that the volute air outlet is stable. wind.
  • a volute air outlet reinforcement structure which includes a volute and a reinforcing bar.
  • a cross flow fan is arranged in the volute, and a wind is formed between the volute and the cross flow fan.
  • the volute is provided with an air inlet and an air outlet, one side of the air outlet is provided with a connecting plate, and the reinforcing bar is connected with the connecting plate.
  • the reinforcing strip By arranging a reinforcing strip on one side of the air outlet, the strength of the air outlet is increased, deformation is prevented, and the stable air outlet of the air outlet is ensured; in addition, the reinforcing strip is installed on one side of the air outlet through a connecting plate. Side, making the installation of the reinforcing strip convenient.
  • the air outlet is provided with a volute tongue
  • the air outlet has a first side and a second side oppositely arranged, the first side is on the same side as the volute tongue, and the connecting plate is arranged at the The first side is on the outer surface away from the tongue.
  • the connecting plate By arranging the connecting plate on the outer surface of the first side away from the volute tongue, on the one hand, the first side of the air outlet can be supported by the reinforcing bar installed on the connecting plate, Improve the strength of the first side, and since the first side is the most damaging position on the air outlet, it is the most vulnerable to damage. Therefore, the first side can be strengthened to improve the most effectively The overall strength of the air outlet.
  • the connecting plate is arranged on the outer surface of the first side edge, so that the arrangement of the connecting plate and the reinforcing strip will not affect the air outlet area of the air outlet.
  • the air outlet is connected to the front panel of the air conditioner through the reinforcing bar.
  • the front panel of the air conditioner is installed on the air outlet through the reinforcing bar, and the reinforcing bar bears part of the gravity of the front panel of the air conditioner, so that the connection between the front panel of the air conditioner and the air outlet is more stable and the connection strength is higher.
  • the reinforcing bar is snap-connected to the connecting plate.
  • connection mode of the reinforcing strip and the connecting plate is set as a snap connection, so that the reinforcing strip is convenient to disassemble and assemble.
  • the reinforcing bar is a groove-shaped structure with a hollow inside, and one side of the reinforcing bar is open close to the connecting plate.
  • the reinforcing strip is filled with soft material.
  • the strength of the reinforcing bar can be increased; at the same time, the unstable connection between the reinforcing bar and the volute can be avoided, which may cause abnormal noise during the operation of the air conditioner.
  • the inside of the reinforcing strip is filled with foam, and the opening of the reinforcing strip is laid with sponge.
  • the reinforcing strip is provided with a connecting hole, and the connecting hole is a through hole provided on the top surface; correspondingly, the inner side of the air conditioner front panel is provided with a hook-like structure connected to the connecting hole .
  • the connecting hole Through the arrangement of the connecting hole, the snap connection between the front panel of the air conditioner and the reinforcing bar is realized, so that the connection between the front panel of the air conditioner and the reinforcing bar is convenient, fast, and easy to operate.
  • the connecting hole includes a locking hole near the top of the air conditioner and a fixing hole near the bottom of the air conditioner.
  • the opening area of the locking hole is larger than the opening area of the fixing hole. Smooth transition connection.
  • the assembly of the front panel of the air conditioner and the reinforcing bar is more convenient and the connection is more stable.
  • An air conditioner having the above-mentioned volute air outlet reinforcement structure.
  • the volute air outlet reinforcement structure and the air conditioner described in the embodiments of the present disclosure have simple structure, quick installation and assembly, can provide effective support for the volute air outlet, and ensure the stable air outlet of the volute air outlet and the stability of the front panel Connection, to ensure the advantages of stable wind from the volute outlet.
  • FIG. 1 is a schematic diagram of the installation structure of the volute and the reinforcing bar in the embodiment of the disclosure
  • Figure 2 is an exploded view of the volute and the reinforcing bar in an embodiment of the disclosure
  • FIG. 3 is a schematic diagram of the structure of the volute in the embodiment of the disclosure.
  • FIG. 4 is a schematic structural diagram of the reinforcing bar in the embodiment of the disclosure from a first perspective
  • FIG. 5 is a schematic diagram of a second perspective structure of a reinforcing bar in an embodiment of the disclosure
  • FIG. 6 is a schematic diagram of a third perspective structure of the reinforcing bar in an embodiment of the disclosure.
  • the embodiment of the present disclosure discloses a volute air outlet reinforcement structure, which includes a volute 1 and a reinforcing bar 2.
  • the volute 1 is provided with a cross flow fan, and the volute 1 and An air duct is formed between the cross-flow fans, and the volute 1 is provided with an air inlet 15 and an air outlet 11, and air can enter the cross-flow fan through the air inlet 15 and then be discharged from the air outlet 11.
  • a connecting plate 14 is provided on one side of the air outlet 11, and the reinforcing strip 2 is connected to the connecting plate 14.
  • the reinforcing bar 2 By arranging the reinforcing bar 2 on one side of the air outlet 11, the strength at the air outlet 11 is increased, deformation is prevented, and the stable air outlet of the air outlet 11 is ensured; in addition, the reinforcing bar 2 is installed on the connecting plate 14 One side of the air outlet 11 makes the installation of the reinforcing strip 2 convenient and accurate.
  • the air outlet 11 is provided with a volute tongue 16 and a sweep blade mounting groove 17, and the air outlet 11 has a first side 12 and a second side 13 opposite to each other.
  • the first side 12 The second side 13 is on the same side as the volute tongue 16, and the second side 13 is on the same side as the scavenge blade installation groove 17.
  • the scavenge blade installation groove 17 is equipped with a scavenge blade, and the connecting plate 14 is arranged on the On the outer surface of the first side 12 away from the volute tongue 16, the first side 12 and the second side 13 are parallel to the axis of the cross flow fan.
  • the connecting plate 14 By arranging the connecting plate 14 on the outer surface of the first side edge 12 away from the volute tongue 16, on the one hand, the first side of the air outlet 11 can be protected by the reinforcing strip 2 installed on the connecting plate 14.
  • One side 12 is supported to increase the strength of the first side 12, and because the first side 12 is the position on the air outlet 11 that is most damaged by the airflow, it is the most vulnerable to damage.
  • the side edge 12 is reinforced, which can most effectively increase the overall strength of the air outlet 11.
  • the connecting plate 14 is arranged on the outer surface of the first side 12 so that the arrangement of the connecting plate 14 and the reinforcing strip 2 will not affect the air outlet area of the air outlet 11.
  • a volute tongue is provided on the air duct in the volute 1, and the air flow direction is changed by the volute tongue, so that the air can be smoothly discharged from the air duct.
  • the volute tongue 16 is located on the inner surface of the first side 12 relative to the air duct.
  • the opposite side of the volute tongue has a simple structure and can be integrally formed on the opposite side of the volute tongue.
  • a reinforced structure is formed, but the structure on the side where the volute tongue is located is complicated, and the injection molding itself is difficult. It is difficult to form the reinforced structure by integral molding. Therefore, it needs to be on the side where the volute tongue is located, that is, on the first side 12 Reinforcing strips are provided so that the strength at the tuyere 11 can be increased, enough to achieve a stable connection with the front panel.
  • the air outlet 11 is connected to the front panel of the air conditioner through the reinforcing bar 2.
  • the front panel of the air conditioner is installed on the air outlet 11 through the reinforcing bar 2, and the reinforcing bar 2 bears part of the gravity of the front panel of the air conditioner, making the connection between the front panel of the air conditioner and the air outlet 11 more stable and strong. higher.
  • connecting plate 14 and the volute 1 are integrally formed, and the connecting plate 14 is snap-connected to the reinforcing bar 2.
  • the cross-sectional area of the reinforcing strip 2 is trapezoidal, and the reinforcing strip 2 includes a top surface 21, a first side wall 22, a second side wall 23 and two end surfaces 24.
  • the first side wall 22 and The second side walls 23 are oppositely disposed on both sides of the top surface 21 along the axial direction of the cross flow fan, and the end surfaces 24 are disposed at both ends of the top surface 21 perpendicular to the axis of the cross flow fan.
  • the reinforcing strip 2 By arranging the reinforcing strip 2 to have a trapezoidal cross-section, greater supporting force can be provided for the first side edge 12.
  • an insert piece 25 is provided on the side of the first side wall 22 away from the top surface 21, and the insert piece 25 is a protrusion arranged on the edge of the first side wall 22.
  • a card slot 142 is provided on the connecting plate 14.
  • the card slot 142 is a notch provided on the edge of the connecting plate 14.
  • the plug piece 25 is a protrusion located in the plane of the first side wall 22.
  • the inserting piece 25 By setting the inserting piece 25 as a protrusion located in the plane of the first side wall 22, and clamping the inserting piece 25 into the slot 142, the inserting piece 25 is not Protruding from the volute 1 prevents the plug-in piece 25 from being scraped off by external forces or scratches other parts, and at the same time, it is beneficial to improve the aesthetics of the volute 1.
  • a hook 29 is provided on a side of the second side wall 23 away from the top surface 21.
  • the connecting plate 14 is provided with a clamping hole 143, and the clamping hole 143 is a through hole. After the assembling and connection of the reinforcing strip 2 and the connecting plate 14 are completed, the hook 29 can extend into and be locked in the locking hole 143.
  • the hook 29 and the locking hole 143 Through the arrangement of the hook 29 and the locking hole 143, the snap connection between the second side wall 23 and the connecting plate 14 is realized. At the same time, the hook 29 can be hidden between the reinforcing bar 2 and the volute 1 to prevent the hook 29 from being exposed, which affects the appearance.
  • the first side wall 22 and the second side wall 23 are asymmetrical, and workers are prevented from When installing, install the reinforcing bar 2 backwards.
  • the side of the reinforcing strip 2 opposite to the top surface 21 is open, so that the reinforcing strip 2 has a hollow groove-like structure.
  • the groove-shaped structure of the reinforcing strip 2 is filled with soft materials, such as foam, sponge, rubber, and the like.
  • the strength of the reinforcing bar 2 can be increased; at the same time, the unstable connection between the reinforcing bar 2 and the volute 1 can be avoided, and abnormal noise may be generated during the operation of the air conditioner.
  • the groove-shaped structure of the reinforcing strip 2 is filled with two soft materials with different hardness.
  • the inside of the groove-like structure is filled with foam, and a layer of sponge is laid on the opening of the groove-like structure.
  • the hardness of the foam is greater than that of the sponge, filling the inside of the groove-like structure with foam can improve the strength of the reinforcing strip 2.
  • the side wall is effectively supported, and the elasticity of the sponge is greater than that of the foam, which can effectively avoid the unstable connection between the reinforcing bar 2 and the volute 1 and abnormal noise during the operation of the air conditioner.
  • the reinforcing strip 2 is also connected to the connecting plate 14 by screws.
  • a screw hole 26 is provided on the top surface of the reinforcing strip 2.
  • a screw post 141 is provided on the connecting plate 14, and the screw post 141 and the screw hole 26 are connected by screws.
  • Connecting the reinforcing strip 2 to the connecting plate 14 by screws can ensure the strength and stability of the connection between the reinforcing strip 2 and the connecting plate 14, so that the reinforcing strip 2 can be tightly connected to the connecting plate 14, and avoid looseness. At the same time, it is ensured that the reinforcing strip 2 can provide effective support to the first side 12.
  • top surface 21 of the reinforcing strip 2 is provided with a groove 28 recessed toward the side close to the connecting plate 14, and the screw hole 26 is located in the groove 28.
  • the strength of the top surface 21 can be improved, and the screw hole 26 is further arranged in the groove 28, so that the screw can be hidden in the reinforcing bar 2 and the appearance is improved. At the same time, the assembly connection between the top surface 21 and the front panel of the air conditioner is not affected.
  • a reinforcing groove 144 is provided on the connecting plate 14, and the reinforcing groove 144 is a recess provided on the connecting plate 14.
  • the arrangement of the reinforcing groove 144 can improve the strength of the connecting plate 14.
  • the top surface 21 of the reinforcing strip 2 is provided with a connecting hole 27, and the connecting hole 27 is a through hole provided on the top surface 21.
  • a hook-like structure is provided on the inner side of the front panel of the air conditioner When the front panel of the air conditioner is assembled and connected with the reinforcing strip 2, only the hook structure inside the front panel of the air conditioner needs to be extended into the connecting hole 27, and then the hook structure inside the front panel of the air conditioner It is sufficient to hook on the edge of the connecting hole 27.
  • the connecting hole 27 Through the arrangement of the connecting hole 27, the snap connection between the front panel of the air conditioner and the reinforcing bar 2 is realized, so that the connection between the front panel of the air conditioner and the reinforcing bar 2 is convenient, fast, and easy to operate.
  • the connecting hole 27 includes a locking hole 271 located at an end near the top of the air conditioner and a fixing hole 272 located at an end near the bottom of the air conditioner.
  • the opening area of the locking hole 271 is larger than that of the fixing hole 272. In terms of area, the clamping hole 271 and the fixing hole 272 are smoothly transitioned and connected.
  • the hook structure on the inner side of the front panel of the air conditioner is first extended from the locking hole 271 into the connecting hole 27, and then the hook structure on the inner side of the front panel of the air conditioner Slide into the fixing hole 272 under the action of gravity, and limit and fix the hook-shaped structure inside the air conditioner front panel through the fixing hole 272, making the assembly of the air conditioner front panel and the reinforcing strip 2 more convenient and connecting more stable.
  • the second side 13 and the volute 1 are integrally formed.
  • the second side 13 is also provided with the connecting hole 27, and the front panel of the air conditioner is connected to the second side 13 through the connecting hole 27.
  • An embodiment of the present disclosure also provides an air conditioner, the air conditioner having the above-mentioned volute 1 having an air inlet 15 and an air outlet 11, and the air outlet 11 adopts the above-mentioned volute air outlet reinforcement structure Strengthen its strength.
  • the volute air outlet reinforcement structure and the air conditioner described in the embodiments of the present disclosure have simple structure, quick installation and assembly, can provide effective support for the volute air outlet 11, and ensure stable air discharge and the front panel of the volute air outlet 11

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

Abstract

La présente invention concerne une structure de renfort de sortie d'air de volute et un climatiseur. La structure de renfort de sortie d'air de volute comprend une volute (1) et une bande de renfort (2), un ventilateur à flux transversal est disposé dans la volute (1), un conduit d'air est formé entre la volute (1) et le ventilateur à flux transversal, la volute (1) est pourvue d'une entrée d'air (15) et d'une sortie d'air (11), une plaque de liaison (14) est disposée sur un côté de la sortie d'air (11), et la bande de renfort (2) est reliée à la plaque de liaison (14). Le climatiseur avec la structure de renfort de sortie d'air de volute est de structure simple et est rapide et facile à monter, et la structure de renfort peut fournir un support efficace pour la sortie d'air (11) de la volute, de telle sorte qu'une décharge d'air stable de la sortie d'air (11) de la volute et une connexion stable entre la sortie d'air et un panneau avant sont assurées, et une décharge d'air stable de la sortie d'air de la volute est garantie.
PCT/CN2020/092337 2019-05-31 2020-05-26 Structure de renfort de sortie d'air de volute et climatiseur WO2020238896A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910468299.6 2019-05-31
CN201910468299.6A CN112012961A (zh) 2019-05-31 2019-05-31 一种蜗壳出风口加强结构及空调器

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WO2020238896A1 true WO2020238896A1 (fr) 2020-12-03

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CN (1) CN112012961A (fr)
WO (1) WO2020238896A1 (fr)

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CN207880959U (zh) * 2017-12-28 2018-09-18 奥克斯空调股份有限公司 一种空调柜机出风组件及其空调器
CN208170686U (zh) * 2018-03-19 2018-11-30 奥克斯空调股份有限公司 面板结构及落地式空调器
CN210531233U (zh) * 2019-05-31 2020-05-15 宁波奥克斯电气股份有限公司 一种蜗壳出风口加强结构及空调器
CN111271868A (zh) * 2019-05-31 2020-06-12 宁波奥克斯电气股份有限公司 一种空调前面板与蜗壳出风口的装配结构及空调器

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