WO2019161695A1 - Ensemble conduit d'air et climatiseur - Google Patents

Ensemble conduit d'air et climatiseur Download PDF

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Publication number
WO2019161695A1
WO2019161695A1 PCT/CN2018/119830 CN2018119830W WO2019161695A1 WO 2019161695 A1 WO2019161695 A1 WO 2019161695A1 CN 2018119830 W CN2018119830 W CN 2018119830W WO 2019161695 A1 WO2019161695 A1 WO 2019161695A1
Authority
WO
WIPO (PCT)
Prior art keywords
blade
motor
shaft
air duct
duct assembly
Prior art date
Application number
PCT/CN2018/119830
Other languages
English (en)
Chinese (zh)
Inventor
汪春节
韩鹏
王富安
杨盼
Original Assignee
珠海格力电器股份有限公司
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 珠海格力电器股份有限公司 filed Critical 珠海格力电器股份有限公司
Publication of WO2019161695A1 publication Critical patent/WO2019161695A1/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
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
    • F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/053—Shafts
    • F04D29/054—Arrangements for joining or assembling shafts
    • 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
    • F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
    • F04D29/056—Bearings
    • F04D29/058—Bearings magnetic; electromagnetic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
    • F16D1/108—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling
    • F16D1/112—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling the interengaging parts comprising torque-transmitting surfaces, e.g. bayonet joints
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N15/00—Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for
    • 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

Definitions

  • the present invention relates to the field of air conditioning technology, and in particular to a duct assembly and an air conditioner.
  • air conditioners require flexible assembly of products to meet the requirements of quick assembly in production and easy disassembly and maintenance in later operation.
  • the core component of the air conditioner - the blades and the motor, the flexibility of the connection between the two directly affects the speed of assembly and disassembly.
  • the traditional air conditioner blade and motor connection design mainly adopts the following form: the motor shaft extends into the blade shaft, and then the blade shaft and the motor shaft are fastened by fastening screws, so that the motor drives the blade to rotate.
  • This design is very inconvenient for the separation and disassembly and installation of the blades and the motor, and also causes the difficulty of disassembling the air duct components and the whole machine in the later stage, and separating and repairing the motor and the whole machine.
  • the reason is that once the blade is disconnected from the motor, the blade must be centered with the motor shaft in the docking, and the blade and the motor in the inner core position of the air conditioner need to be manually aligned to remove all the peripheral zeros. Parts such as evaporators are very cumbersome to operate.
  • Modular air conditioner design is an increasingly mature technology development direction.
  • a modular air conditioner that is easy to disassemble and easy to clean is invented.
  • the core technology of the modular air conditioner is to realize the separation of the vane shaft and the motor shaft, so that the vane can be removed and cleaned together with the air duct components.
  • the main problem of this type of connection to achieve convenient installation in the later stage is the alignment problem of the connecting shaft. Only the structure itself can achieve self-centering, so that the later disassembly and installation can be easily operated.
  • the main object of the present invention is to provide a duct assembly and an air conditioner, so as to solve the problem that the connecting shaft of the air duct assembly of the prior art is separated from the motor, and the connecting shaft is difficult to be centered, and the blade rotates to drive the blade shaft to be easily rubbed.
  • the problem is ringing.
  • a duct assembly includes: a bottom case and a motor; a blade assembly on which the blade assembly is mounted, the blade assembly including a blade shaft and a cross flow fan sleeved on the blade shaft, the blade shaft extending along a length direction of the bottom case, and an end of the blade shaft close to the motor is suspended by a magnetic suspension mechanism Supported on the bottom case, an end of the blade shaft remote from the motor is supported on the bottom case via a bearing housing.
  • the magnetic suspension mechanism includes: a first magnetic member fixedly disposed at a first end of the bottom case; and a second magnetic member fixedly disposed in the wind An end of the blade assembly proximate the motor, the first magnetic member and the second magnetic member repel each other to suspend the blade shaft.
  • the first magnetic member is a first magnetic ring.
  • the second magnetic member is a second magnetic ring fixed on the cross flow fan, and the second magnetic ring is embedded inside the first magnetic ring.
  • first magnetic member is integrally formed with the bottom case or fixed on the bottom case by a first fastener
  • second magnetic piece is integrally formed with the cross flow fan or through the second A fastener is secured to the cross flow vane.
  • a width of the first magnetic member along a length direction of the bottom case is L2
  • a width of the second magnetic member along a length direction of the bottom case is L1
  • the cross-flow blade leaves The stroke in the longitudinal direction of the bottom case is L3, where L1/2+L3 ⁇ L2/2.
  • the air duct assembly further includes a connection assembly, the connection assembly includes: a blade sleeve, the blade sleeve is fixedly disposed on the blade shaft; a motor sleeve, the motor sleeve is fixed
  • the motor bushing is detachably coupled to the fan bushing on an output shaft of the motor.
  • one of the blade bushing and the motor bushing is provided with teeth, and the other is provided with a tooth groove adapted to the tooth.
  • the air duct assembly further includes a motor base, and the motor is mounted on the motor base.
  • an air conditioner including a duct assembly, which is the air duct assembly described above.
  • the blade assembly of the present invention is designed to be close to the end of the motor and has a magnetic suspension mechanism.
  • the function of the magnetic suspension mechanism causes the blade assembly to be in a suspended state near the end of the motor. This not only supports the blade assembly, but also ensures that the blade shaft and the motor output shaft are always in the centering state, and overcomes the frictional noise caused by the cooperation of the support member and the blade shaft.
  • Figure 1 is a schematic front view showing a partial structure of a duct assembly of the present invention
  • Figure 2 is a schematic front elevational view of the bottom casing portion of the air duct assembly of the present invention
  • Figure 3 is a schematic perspective view showing a first perspective view of a bottom casing portion of the air duct assembly of the present invention
  • Figure 4 is a schematic perspective view showing a second perspective view of a bottom casing portion of the air duct assembly of the present invention
  • Figure 5 is a schematic perspective view of the bottom case of the air duct assembly of the present invention.
  • Figure 6 is a schematic perspective view of the blade assembly of the present invention.
  • Figure 7 is a schematic exploded view of the connection assembly of the present invention.
  • Fig. 8 is a view schematically showing a motion relationship when the first magnetic member and the second magnetic member of the present invention are assembled.
  • spatially relative terms such as “above”, “above”, “on top”, “above”, etc., may be used herein to describe as in the drawings.
  • the exemplary term “above” can include both “over” and "under”.
  • the device can also be positioned in other different ways (rotated 90 degrees or at other orientations) and the corresponding description of the space used herein is interpreted accordingly.
  • the air conditioner After long-term operation, the air conditioner will accumulate a large amount of dust in the air duct, and because of the humid environment inside the air duct system, it provides a powerful environment for the breeding of harmful bacteria, which seriously endangers the health of consumers. Therefore, the present invention proposes that the air duct system can be detached from the whole machine and can be cleaned, and the vane assembly and the bottom shell can be removed and cleaned from the whole machine.
  • the side of the blade assembly on the air duct component near the motor end is supported by the bearing rubber seat assembly, and the bearing rubber seat assembly is assembled to the bottom casing by means of a snap.
  • the support structure of the wind blade has disadvantages: the bearing rubber seat assembly on the wind blade shaft and the bottom shell is a micro clearance fit, and when the wind blade is in operation, the wind blade and the bearing rubber seat assembly may have friction, resulting in abnormal noise, so that The comfort of the whole machine is greatly reduced.
  • the air duct assembly in this embodiment includes a bottom case 10 and a motor (not shown in the drawing). ), the blade assembly, the motor base 60, and the connection assembly 40.
  • the motor base 60 is mounted on the first end of the bottom case 10, the motor is mounted on the motor base 60; the blade assembly 30 is mounted on the bottom case 10, and the blade assembly 30 includes the blade shaft 32 and the blade shaft
  • the cross-flow vane 31 on the 32, the vane shaft 32 extends along the length of the bottom shell 10, and the end of the vane shaft 32 close to the motor is suspended and supported by the first end of the bottom shell 10 by the magnetic suspension mechanism 50, and the vane shaft 32
  • One end away from the motor is supported by the second end of the bottom case 10 through the bearing housing 70; the output shaft of the motor and the vane shaft 32 are detachably connected by the connecting assembly 40.
  • the connecting assembly 40 When the blade assembly is moved away from the motor, the connecting assembly 40 is separated, but due to the magnetic suspension mechanism 50 The effect is that the blade assembly is always in suspension near the motor side. In order to achieve the above motion effect, it is ensured that the blade shaft and the motor side are always in a floating state in the two states of separation and connection, and the wind blade shaft is in a coaxial position with the center axis of the same air duct in cooperation with the support structure away from the motor side bearing housing 70.
  • the blade assembly of the present invention is adjacent to one end of the motor and is provided with a magnetic suspension mechanism 50.
  • the function of the magnetic suspension mechanism 50 causes the blade assembly 32 near the end of the motor to be in a suspended state. This not only supports the blade assembly, but also ensures that the blade shaft 32 and the motor output shaft are always in the centering state, and overcomes the frictional noise caused by the cooperation of the support member and the blade shaft 32.
  • the magnetic suspension mechanism 50 of the present embodiment includes a first magnetic member 51 and a second magnetic member 52, wherein the first magnetic member 51 is fixedly disposed at the first end of the bottom case 10;
  • the two magnetic members 52 are fixedly disposed at one end of the blade assembly 30 near the motor, and the first magnetic member 51 and the second magnetic member 52 are mutually repelled to suspend the blade shaft 32.
  • the present invention passes through the first magnetic member 51 and the first The magnetic repulsion of the two magnetic members 52 causes the end of the blade shaft 32 close to the motor to be in a suspended state.
  • the first magnetic member 51 in the embodiment is a first magnetic ring
  • the second magnetic member 52 is a second magnetic ring fixed on the cross flow fan 31
  • the second magnetic ring is embedded inside the first magnetic ring. It is convenient for stable support of the blade assembly.
  • first magnetic member 51 and the bottom case 10 in this embodiment may be integrally formed, or may be fixed on the bottom case 10 by the first fastener, and similarly, the second magnetic member 52 and The cross flow vane 31 may be integrally formed or may be fixed to the cross flow vane 31 by a second fastener.
  • the first fastener and the second fastener in this embodiment may be a structure such as a screw, a pin or a rivet, and any other modifications under the concept of the present invention are within the scope of the present invention.
  • the direction of the arrow in FIG. 8 indicates the direction of movement of the cross-flow vane 31, the width of the first magnetic member 51 along the length of the bottom case 10 is L2, and the length of the second magnetic member 52 along the length of the bottom case 10.
  • the width in the direction is L1
  • the stroke of the cross-flow vane 31 along the longitudinal direction of the bottom case 10 is L3, wherein L1/2+L3 ⁇ L2/2, ensuring that the vane shaft 32 can always be subjected to the first magnetic member 51 and the The two magnetic members 52 are in a suspended state due to mutual repulsion.
  • the connecting assembly 40 of the present embodiment includes a blade bushing 41 and a motor bushing 42.
  • the blade bushing 41 is fixedly disposed on the blade shaft 32; the motor bushing 42 is fixed.
  • the motor bushing 42 is detachably coupled to the vane bushing 41.
  • One of the blade bushing 41 and the motor bushing 42 is provided with teeth 43 which are provided with a tooth groove 44 adapted to the tooth teeth 43 for facilitating the motor output shaft and the blade shaft 32. It is detachably connected and has a simple structure and is easy to implement.
  • the end of the bottom case 10 of the present invention near the motor end is provided with a magnetic suspension mechanism 50 for supporting the blade assembly by magnetic repulsion, and the blade assembly and the motor are connected by the connection assembly 40.
  • the state of the blade assembly on the bottom case 10 is as shown in FIG. 3.
  • a conventional blade bearing seat 70 is used, and the bearing block 70 is fixed to the bottom case 10 by snapping.
  • the bottom case 10 is supported by the magnetic suspension mechanism 50 near the motor end side.
  • the first magnetic member 51 and the bottom case 10 on the bottom case 10 can be fixed by injection-molded fixing structure or snap-fit (not shown), and the second magnetic member 52 and the cross-flow fan blade 31 on the cross-flow fan blade 31 can also pass through.
  • the fixed structure or snap-fit of the injection molding is fixed (not shown).
  • the connection assembly 40 is used for connection, and the blade shaft 32 and the motor output shaft are respectively equipped with a blade bushing 41 and a motor bushing 42 for wind.
  • the leaf bushing 41 and the motor bushing 42 are connected by the structure of the tooth 43 and the tooth groove 44.
  • the blade shaft 32 and the motor output shaft are always in a centered state, so that two The shaft body can be easily separated and connected to realize quick disassembly and installation of the air duct system.
  • an air conditioner including a duct assembly, which is the air duct assembly described above.
  • the magnetic levitation technology designed in this paper is applied to the air conditioner, so that the blade shaft and the motor shaft are always in the centering state when connecting and separating, which facilitates the connection and disassembly of the shaft.
  • the magnetic levitation technology keeps the connecting part of the blade always in suspension. The state, which greatly reduces the abnormal noise caused by the friction of the parts, and improves the comfort of the whole machine.
  • the invention is provided with an annular second magnetic member at one end of the blade assembly, and a first magnetic member is designed at a corresponding end of the bottom shell, and the blade assembly is suspended near the motor end by magnetic repulsion, so that the blade shaft and the motor shaft It is always in the centering state during connection and separation, which facilitates the connection and separation of the shaft, and can effectively overcome the problem of abnormal noise caused by friction, greatly reducing the noise of the whole machine and improving the comfort of the whole machine.

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

Abstract

L'invention concerne un ensemble conduit d'air et un climatiseur. L'ensemble conduit d'air comprend un boîtier inférieur (10) et un moteur électrique; et un ensemble de pales (30) monté sur le boîtier inférieur (10), l'ensemble de pales (30) comprenant un arbre à pales (32) et des pales d'écoulement transversal (31) gainées sur l'arbre à pales (32); l'arbre à pales (32) s'étendant dans le sens de la longueur du boîtier inférieur (10); et une extrémité, proche du moteur électrique, de l'arbre à pales (32) est suspendue et supportée au-dessus du boîtier inférieur (10) par le biais d'un mécanisme de suspension magnétique (50), et une extrémité, éloignée du moteur électrique, de l'arbre à pales (32) est supportée sur le boîtier inférieur (10) par le biais d'un bloc de palier (70). L'arbre à pales d'une extrémité, proche du moteur électrique, de l'ensemble de pales est dans un état suspendu sous l'action du mécanisme de suspension magnétique, qui peut non seulement agir en tant que support de l'ensemble de pales pour garantir que l'arbre à pales et un arbre de sortie du moteur électrique sont toujours dans un état aligné, mais également surmonter les bruits de frottement provoqués par la coopération d'une partie de support et de l'arbre à pales.
PCT/CN2018/119830 2018-02-26 2018-12-07 Ensemble conduit d'air et climatiseur WO2019161695A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810162384.5A CN108361209B (zh) 2018-02-26 2018-02-26 风道组件及空调器
CN201810162384.5 2018-02-26

Publications (1)

Publication Number Publication Date
WO2019161695A1 true WO2019161695A1 (fr) 2019-08-29

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PCT/CN2018/119830 WO2019161695A1 (fr) 2018-02-26 2018-12-07 Ensemble conduit d'air et climatiseur

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CN (1) CN108361209B (fr)
WO (1) WO2019161695A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114183393A (zh) * 2021-11-29 2022-03-15 珠海格力电器股份有限公司 轴承组件、送风装置及空调器
FR3140656A1 (fr) * 2022-10-10 2024-04-12 Valeo Systemes Thermiques Dispositif de ventilation comprenant des moyens de rétention

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109667788A (zh) * 2018-12-29 2019-04-23 珠海格力电器股份有限公司 一种贯流风叶及落地式空调器
CN110332612B (zh) * 2019-07-19 2023-08-25 珠海格力电器股份有限公司 室内机、空调器及室内机拆卸的方法

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CN1594890A (zh) * 2004-06-23 2005-03-16 西安交通大学 高速电动磁悬浮离心式鼓风机
CN201236847Y (zh) * 2008-05-19 2009-05-13 许雅玲 可拆式横流扇
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114183393A (zh) * 2021-11-29 2022-03-15 珠海格力电器股份有限公司 轴承组件、送风装置及空调器
FR3140656A1 (fr) * 2022-10-10 2024-04-12 Valeo Systemes Thermiques Dispositif de ventilation comprenant des moyens de rétention
WO2024078947A1 (fr) * 2022-10-10 2024-04-18 Valeo Systemes Thermiques Dispositif de ventilation comprenant des moyens de rétention

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CN108361209B (zh) 2023-12-08
CN108361209A (zh) 2018-08-03

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