WO2020092081A1 - Climatiseur de selle - Google Patents

Climatiseur de selle Download PDF

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Publication number
WO2020092081A1
WO2020092081A1 PCT/US2019/057601 US2019057601W WO2020092081A1 WO 2020092081 A1 WO2020092081 A1 WO 2020092081A1 US 2019057601 W US2019057601 W US 2019057601W WO 2020092081 A1 WO2020092081 A1 WO 2020092081A1
Authority
WO
WIPO (PCT)
Prior art keywords
casing
fan
frame
wall
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2019/057601
Other languages
English (en)
Inventor
Daochun WU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ftl Inc
Original Assignee
Ftl Inc
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
Priority claimed from CN201821768708.1U external-priority patent/CN208998190U/zh
Priority claimed from CN201920959848.5U external-priority patent/CN210153962U/zh
Application filed by Ftl Inc filed Critical Ftl Inc
Priority to US17/269,138 priority Critical patent/US20220120450A1/en
Publication of WO2020092081A1 publication Critical patent/WO2020092081A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • 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
    • F24F13/24—Means for preventing or suppressing noise
    • 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
    • F24F13/32—Supports for air-conditioning, air-humidification or ventilation units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00—Details or features not otherwise provided for
    • F24F2221/20—Details or features not otherwise provided for mounted in or close to a window

Definitions

  • the present application describes a window air conditioner unit, specifically a saddle-shaped unit.
  • Common household air conditioners include central air conditioners, wall units, and window units.
  • the condenser, compressor, expansion valve, evaporator, and all fans and motors are integrated into one appliance, with the advantages of low cost and convenient installation.
  • Some wall or window units use a single motor to drive both the condenser and evaporator fans. Others use a single motor to drive both fans.
  • Wall and window units are noisy. At present, most window machines have a cuboid structure. Because such a machine is large, if the wall is not thick enough, it is generally necessary to install brackets on the external wall to support the window machines, making installation difficult. A cuboid structure occupies a large window space. This reduces window visibility and presents challenges when it comes to preventing airflow from inside to outside.
  • The“saddle” shaped window air conditioner makes the appliance less invasive in the window.
  • This configuration splits the machinery into indoor and outdoor casings.
  • the outdoor casing houses the condenser and compressor and the indoor casing houses the evaporator.
  • the casings are connected by a low-profile crossbar, which can be as little as a few inches high. This crossbar sits on the windowsill. In a lift-up / slide-down window, the pane can then be almost completely closed. This preserves the view and also makes it much easier to keep the window air tight.
  • All saddle-shaped window units known to date require two motors: one for the indoor casing to drive the evaporator fan and one for the outdoor casing to drive the condenser fan.
  • the present invention provides two alternative embodiments to reduce noise.
  • a single motor in the outdoor casing drives an axle that engages both the indoor and outdoor fans. This is accomplished by extending the axle through the connecting frame, over the windowsill.
  • the indoor and outdoor fans each have their own motors.
  • the indoor fan is a crossflow (hair-curler-shaped) fan, which is known for its quiet operation.
  • the present invention also addresses issues of frame integrity, stability, and installation.
  • the preferred embodiment is a coaxial saddle air conditioner, including connecting frame components, indoor components and outdoor components.
  • the connecting frame components comprise a horizontal frame body and two vertical frames connected to the two ends of the horizontal frame body, respectively.
  • the two vertical frame bodies and the horizontal frame body together form an installation groove.
  • the installation groove is used to clamp the two sides of the wall.
  • the indoor components are fixed on the vertical frame inside the wall.
  • These components include an internal machine case and an evaporator, an expansion valve, a volute and a centrifugal (hamster- wheel shaped) fan fixed in the case.
  • the case of the internal machine is provided with an air inlet and an air outlet.
  • the evaporator is disposed at the inner side of the air inlet, and the volute is disposed at the inner side of the evaporator.
  • the air inlet of the volute is connected to the air inlet of the case through the evaporator, and the air outlet of the volute is connected to the air outlet of the case.
  • the outdoor components are fixed on the vertical frame outside the wall. These components include an external machine case and a condenser, a compressor, a volute, and an axial (propeller-shaped) fan fixed in the case.
  • the outdoor casing is provided with an air vent.
  • the condenser is disposed at the inner side of the air vent.
  • the axial fan wheel is disposed at the inner side of the condenser.
  • a single motor is disposed at the inner side of the axial (outdoor) fan.
  • the motor engages two drive shafts on opposite sides of the motor.
  • the centrifugal fan, the double shaft motor, and the axial fan are coaxial.
  • a first output shaft of the dual-axis motor is coaxially connected with the centrifugal fan through the connecting frame components.
  • a second output shaft of the dual-axis motor is coaxially connected with the axial fan. Elimination of the indoor motor greatly reduces indoor noise.
  • the evaporator, the compressor, the condenser and the expansion valve are connected in series through a pipeline to form a closed loop.
  • the pipeline between the evaporator and the compressor and that between the condenser and the expansion valve pass through the connecting frame components.
  • Both embodiments also include fasteners, which include fastening support and fastening screw.
  • the fastening support is fixed at the lower part of a vertical frame.
  • the fastening screw is connected to fastening support threads.
  • the inner part of the fastening screw is provided with a retaining block.
  • the fasteners When installing, the inner part of the fastening screw is tightened to one side of the wall through the retaining block, and the other vertical frame is tightened to the other side of the wall.
  • the fasteners By providing the fasteners, the gap between the vertical frames and the wall can be adjusted by tightening the fastening screw, making the installation more robust and adaptable to different wall thicknesses.
  • the horizontal frame body may be one wide duct or two or more narrow support beams. In the latter case, a connecting cover plate is arranged over the support beams.
  • a plurality of through holes are uniformly disposed on the side walls of the horizontal frame body and the vertical frame body. The through holes have a silencing effect and can reduce running noise.
  • Figure 1 is a front view of a first embodiment.
  • Figure 2 is a right view of the first embodiment, with the front of Figure 1 positioned on the left of Figure 2.
  • Figure 3 is a left view of the first embodiment, with the front of Figure 1 appearing on the right of Figure 3.
  • Figure 4 is a top view of the first embodiment, with the front of Figure 1 appearing at the bottom of Figure 4.
  • Figure 5 is a bottom view of the first embodiment, with the front of Figure 1 appearing at the top of Figure 5.
  • Figure 6 shows an assembly figure of a second embodiment.
  • Figure 7 is an explosion diagram of the second embodiment.
  • Figure 8 is a longitudinal cross-sectional view of the second embodiment.
  • Figure 9 is a schematic diagram of the inner casing, the connecting frame and the outer casing of the second embodiment.
  • this embodiment of the utility model provides a coaxial saddle air conditioner, including the connecting frame components 1, the air-conditioning internal machine components 2, and the air-conditioning external machine components 3.
  • the connecting frame components 1 include a horizontal frame body 11 and two vertical frame bodies 12 respectively connected to the two ends of the horizontal frame body 11.
  • the two vertical frame bodies 12 under the horizontal frame body 11 together form an installation groove 13.
  • the installation groove 13 is used to clamp the two sides of the wall body.
  • the connecting frame components 1 of the present embodiment are relatively arranged in two groups at left and right positions.
  • a connecting cover plate 14 is arranged on the two groups of connecting frame components 1, making the structure firm and material saved and appearance beautiful.
  • Both the horizontal frame body 11 and the vertical frame body 12 are square tubular, and a plurality of through holes 15 are uniformly disposed on the side walls of the horizontal frame body 11 and the vertical frame body 12.
  • the through holes 15 have a silencing effect, reducing running noise.
  • the air-conditioning internal machine components 2 are fixed on the outer side of the vertical frame 12 inside the wall. These components 2 include an internal machine case 21 and the evaporator 22, the expansion valve, the volute 23 and the centrifugal fan 24 fixed in the case 21.
  • the inner case 21 is provided with an air inlet 25 and an air outlet 26.
  • the air inlet 25 of the inner case 21 is provided with a filter net 27 and a temperature sensing probe 28.
  • the filter 27 can reduce the inhalation of dust and debris to ensure the safe operation of the device, and the temperature sensing probe 28 is used to detect the room temperature.
  • the evaporator 22 is disposed inside the air inlet 25.
  • the volute 23 is composed of volute upper foam components and volute lower foam components.
  • the volute 23 is disposed at the inner side of the evaporator 22.
  • the suction port of the volute 23 is connected to the air inlet 25 of the inner case 21 through the evaporator 22, and the exhaust port of the volute 23 is connected to the air outlet 26 of the inner case 21.
  • the centrifugal fan 24 is disposed in the volute 23.
  • the air-conditioning external machine components 3 are fixed on the outer side of the vertical frame 12 outside the wall.
  • the components 3 include the external machine case 31 and the compressor 32, the condenser 33, the axial flow fan 34, the dual-axis motor 35, the condensate water receiving tray 37 and the condensed water drain pump 38 fixed in the case 31.
  • the case of external machine 31 is provided with an air vent 36.
  • the condenser 33 is disposed at the inner side of the air vent 36.
  • the condensate water receiving tray 37 is disposed below the condenser 33, and the condensed water drain pump 38 is used to discharge the condensed water in the condensate water receiving tray 37 out of the outer case 31, thus facilitating the collection and discharge of the condensed water.
  • the axial flow fan 34 is disposed inside the condenser 33.
  • the dual-axis motor 35 is disposed inside the axial flow fan 34.
  • the centrifugal fan 24, the dual-axis motor 35, and the axial flow fan 34 are all coaxial.
  • the indoor drive shaft 351 of the dual-axis motor 35 is coaxially connected with the centrifugal fan 24 through the connecting frame components 1.
  • the outdoor drive shaft 352 of the dual-axis motor 35 is coaxially connected with the axial flow fan 34.
  • the evaporator 22, the compressor 32, the condenser 33, and the expansion valve are connected in series through a pipeline to form a closed loop.
  • the pipeline between the evaporator 22 and the compressor 32 and that between the condenser 33 and the expansion valve pass through the connecting frame components 1.
  • the low-pressure gaseous refrigerant is sucked into the compressor 32 and compressed into high-temperature and high-pressure gas; second, the gaseous refrigerant flows to the condenser 33, and gradually condenses into high-pressure liquid during heat dissipation to the outside; third, after passing through the expansion valve, it becomes the low-temperature and low-pressure gas-liquid mixture; then it enters the indoor evaporator 22, and continuously vaporizes by absorbing heat from the indoor air, thereby achieving indoor cooling; last, it becomes the low-pressure gas and re-enters the compressor 32. In this way, the air conditioner can continue to operate continuously.
  • the horizontal frame 11 of the connecting frame components 1 of this application passes through the window and straddles the wall.
  • the air-conditioning internal machine components 2 are installed on the inner wall through the vertical frame body 12 inside wall.
  • the air-conditioning external machine components 3 are installed on the outer wall through the vertical frame 12 inside the wall.
  • the air-conditioning internal machine components 2 and the external machine components 3 are connected into an integrated structure through the connecting frame components 1. It takes up little window space. And the air-conditioning internal machine components 2 and the external machine components 3 are separated by a wall, making noise small.
  • the axial fan 34 and the centrifugal fan 24 of the application are driven by an outdoor drive shaft 352 and an indoor drive shaft 351, respectively, at both ends of a dual-axis motor 35.
  • the dual-axis motor eliminates an indoor motor, making the structure more streamlined and the volume smaller and the cost lower.
  • the air-conditioning internal machine components 2 do not include a motor, so the running noise is smaller.
  • the embodiment also includes fasteners 4, which include the fastening support 41 and the fastening screw 42.
  • the fastening support 41 is fixed at the lower part of a vertical frame 12.
  • the fastening screw 42 is connected to the threads of the fastening support 41.
  • the inner part of the fastening screw 42 is provided with the retaining block 43. When installing, the inner part of the fastening screw 42 is tightened to one side of the wall through the retaining block 43, and the other vertical frame 12 is tightened to the other side of the wall.
  • the fasteners 4 the gap between the vertical frames and the wall can be adjusted by tightening the fastening screw 42, making the installation more robust and adaptable to different wall thicknesses.
  • the embodiment of the utility model provides a low-noise cross-wall window machine, including an internal machine 51 placed inside the wall, an external machine 52 placed outside the wall, and the connecting frame 53 spanning the wall and connected the upper parts of the internal machine and the external machine.
  • the internal machine 51 includes an inner casing 511, which is fixedly connected to the connecting frame 53, and an evaporator component 512 and an air supply component 513 in the inner casing 511.
  • the outer casing 521 includes an outer casing 521, which is fixedly connected to the connecting frame 53, and a compressor 522, a condenser 523, and a cooling fan 524 in the outer casing 521.
  • the work principles of the air conditioner are as followings.
  • the low-pressure gaseous refrigerant is sucked into the compressor 522 and compressed into a high-temperature and high-pressure gas.
  • the gaseous refrigerant flows to the condenser 523 and gradually condenses into a high-pressure liquid in the process of cooling.
  • the air conditioner can work continuously.
  • the air supply component 513 circulates the air cooled by the evaporator into the room.
  • the air supply component 51 includes a volute 5131 fixed in the casing and a cross-flow fan 5132 in the volute 5131.
  • the lower part of the volute 5131 corresponds to the air inlet of the casing 5111, and is equipped with an air inlet of the volute 5133.
  • the upper part of the volute 5131 corresponds to the air outlet of the casing 5112, and is equipped with an air outlet of the volute 5134.
  • the evaporator component 512 is placed in the volute air inlet 5133.
  • the connecting frame 53 of the application is installed on the window, and the internal machine 51 and the external machine 52 are on both sides of the wall.
  • the internal machine 51 is placed indoors, and the external machine 52 is placed outdoors.
  • the noise generated by the external machine 52 can be isolated by the wall.
  • the cross-flow fan 5132 in the internal machine 51 is used as the air supply structure, which can not only isolate the noise of the external machine 52, but also greatly reduce the noise of the internal machine 51, thereby greatly reducing the noise in the room.
  • the casing air inlets 5111 specifically distribute in the side and bottom air inlet mesh holes of the inner casing 511.
  • the evaporator component 512 is obliquely placed at the volute air inlet 5133.
  • the indoor air is taken in from the side and bottom air inlet mesh of the inner casing 511, respectively, and then passes through the inclined evaporator component 512, making the air flow smoothly. It increases the area in which air enters, and reduces the noise of air flow, thereby achieving further noise reduction.
  • the outer side of the volute 5131 is covered with a thermal insulation foam layer 514.
  • the thermal insulation foam layer 514 on one hand, has a heat preservation effect to reduce the heat transfer between the air in the volute 5131 and the outside, and on the other hand, it also has the function of sound absorption and noise reduction.
  • the condenser 523 is placed on a side of the outer casing 521 away from the connecting frame 53, and the cooling fan 524 is placed on a side of the outer casing 521 adjacent to the connecting frame 53.
  • the cooling fan 524 is used for air cooling and heat dissipation of the condenser.
  • the wall and the outer casing 521 are separated by the spacer 5212, so as to reduce the noise and vibration transmitted from the outer casing 521 to the wall, and ensure that air can flow into the air inlet 5211 from the gap between the wall and the outer casing 521.
  • the cooling fan 524 includes a frame body 5241, a motor 5242 and a fan blade 5243.
  • the frame body 5241 is fixed in the outer casing 521.
  • the frame body 5241 includes a motor base 52411 and a blade protection ring 52412 connected to the motor base 52411.
  • the motor 5242 is mounted on the motor base 52411.
  • the fan blade 5243 is coaxially mounted on the output shaft of the motor 5242 and placed in the blade protection ring 52412.
  • the blade protection ring 52412 protects the blade 5243.
  • the motor base 52411 and the blade protection ring 52412 form an integral frame structure 5241, making it easy to install.
  • the inner casing 511 includes an inner side plate 5113 and an inner casing body 5114.
  • the outer casing 521 includes an outer side plate 5213 and an outer casing 5214.
  • the inner side plate 5113 and the outer side plate 5213 are respectively fixed at two ends of the connecting frame 53.
  • the inner hood 5114 covers the inner machine side plate 5113, and the outer hood 5214 covers the outer machine side plate 5213.
  • the inner side plate 5113 and the outer side plate 5213 and the connecting frame 53 form an integral installation structure, which is excellent in loading.
  • the outer hood 5214 is integrally formed with a cover body 5215 to cover the connection frame 53.
  • the outer casing 5214 can cover the connecting frame 53 at the same time. The assembly is convenient and the appearance is beautiful.

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

Abstract

La présente invention concerne une unité de fenêtre de climatiseur à paroi transversale (en forme de « selle ») à faible bruit. L'unité comprend un boîtier intérieur qui loge le condenseur et le compresseur et un boîtier extérieur qui loge l'évaporateur. Un cadre de liaison (qui chevauche le seuil de fenêtre) relie les boîtiers intérieur et extérieur. Dans un premier mode de réalisation, un ventilateur de condenseur axial et un ventilateur d'évaporateur centrifuge sont entraînés simultanément par un moteur à deux essieux logé dans le boîtier extérieur. L'essieu entraînant le ventilateur d'évaporateur intérieur s'étend à travers le cadre de raccordement sur le seuil de fenêtre. Dans un second mode de réalisation, le ventilateur d'évaporateur est un ventilateur à flux transversal. Les deux caractéristiques sont conçues pour rendre l'unité légère et silencieuse en intérieur. La présente invention concerne également de nouvelles caractéristiques supplémentaires telles que des motifs de ventilation et des cadres perforés, également pour rendre l'unité légère, efficace et/ou silencieuse. L'Installation est activée avec des éléments d'espacement ou des éléments de fixation, ne nécessitant pas de crochets de support.
PCT/US2019/057601 2018-10-29 2019-10-23 Climatiseur de selle Ceased WO2020092081A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US17/269,138 US20220120450A1 (en) 2018-10-29 2019-10-23 Saddle air conditioner

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN2018217687081 2018-10-29
CN201821768708.1U CN208998190U (zh) 2018-10-29 2018-10-29 加长轴跨墙式窗机
CN201920959848.5U CN210153962U (zh) 2019-06-24 2019-06-24 低噪音跨墙式窗机
CN2019209598485 2019-06-24

Publications (1)

Publication Number Publication Date
WO2020092081A1 true WO2020092081A1 (fr) 2020-05-07

Family

ID=70464151

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2019/057601 Ceased WO2020092081A1 (fr) 2018-10-29 2019-10-23 Climatiseur de selle

Country Status (2)

Country Link
US (1) US20220120450A1 (fr)
WO (1) WO2020092081A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112060862A (zh) * 2020-09-30 2020-12-11 韩亚兰 一种汽车窗式空调器以及配合该空调器的封窗板
CN115507451A (zh) * 2022-02-28 2022-12-23 青岛海尔空调器有限总公司 一种马鞍式空调器的电源线走线结构及马鞍式空调器
US11655987B2 (en) * 2019-11-29 2023-05-23 Gd Midea Air-Conditioning Equipment Co., Ltd. Window air conditioner with mounting base

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US12181171B2 (en) * 2019-12-31 2024-12-31 Gd Midea Air-Conditioning Equipment Co., Ltd. Air conditioner
CN214415871U (zh) * 2020-12-09 2021-10-19 深圳市安拓浦科技有限公司 壁挂式空气净化机
CN117190491B (zh) * 2022-05-30 2026-04-10 芜湖美智空调设备有限公司 用于窗式空调器的安装支架以及窗式空调器套装
CN115493209B (zh) * 2022-06-27 2025-06-17 青岛海尔空调器有限总公司 一种马鞍式窗机的安装方法
US12529483B2 (en) 2022-07-22 2026-01-20 Haier Us Appliance Solutions, Inc. Saddle window air conditioner with an adjustable bridge
CN115560398B (zh) * 2022-12-02 2023-03-21 泉州市佩海科技有限公司 一种便于防护空调外机的外防护罩
US12140323B1 (en) * 2023-09-04 2024-11-12 Karogen Llc Self-contained mini-split heating, ventilation and air conditioning (HVAC) system

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US2945357A (en) * 1958-09-22 1960-07-19 Carrier Corp Portable air conditioning units
US20070137237A1 (en) * 2005-08-15 2007-06-21 Elliot Rais Window-mounted split air conditioning apparatus and method of installation
CN101876467A (zh) * 2009-04-30 2010-11-03 乐金电子(天津)电器有限公司 鞍形空调器
US20110126567A1 (en) * 2009-12-02 2011-06-02 Mitsubishi Electric Corporation Fixing structure for indoor/outdoor communication line of air conditioner
US20140000061A1 (en) * 2012-06-29 2014-01-02 Douglas Waters Window-Mounted Air Conditioner and General Appliance Support Handles
US20160097547A1 (en) * 2013-06-24 2016-04-07 Electrolux Appliances Aktiebolag An air-conditioner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11655987B2 (en) * 2019-11-29 2023-05-23 Gd Midea Air-Conditioning Equipment Co., Ltd. Window air conditioner with mounting base
CN112060862A (zh) * 2020-09-30 2020-12-11 韩亚兰 一种汽车窗式空调器以及配合该空调器的封窗板
CN115507451A (zh) * 2022-02-28 2022-12-23 青岛海尔空调器有限总公司 一种马鞍式空调器的电源线走线结构及马鞍式空调器

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