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WO2018133208A1 - Unité intérieure de climatiseur mural et climatiseur mural - Google Patents

Unité intérieure de climatiseur mural et climatiseur mural Download PDF

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Publication number
WO2018133208A1
WO2018133208A1 PCT/CN2017/079027 CN2017079027W WO2018133208A1 WO 2018133208 A1 WO2018133208 A1 WO 2018133208A1 CN 2017079027 W CN2017079027 W CN 2017079027W WO 2018133208 A1 WO2018133208 A1 WO 2018133208A1
Authority
WO
WIPO (PCT)
Prior art keywords
wall
air conditioner
air outlet
outlet frame
indoor unit
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/CN2017/079027
Other languages
English (en)
Chinese (zh)
Inventor
汪先送
覃强
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.)
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea Refrigeration Equipment Co Ltd
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 CN201720070971.2U external-priority patent/CN206420058U/zh
Priority claimed from CN201710050116.XA external-priority patent/CN106705242B/zh
Application filed by Midea Group Co Ltd, Guangdong Midea Refrigeration Equipment Co Ltd filed Critical Midea Group Co Ltd
Publication of WO2018133208A1 publication Critical patent/WO2018133208A1/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
    • 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 invention relates to the technical field of air conditioners, in particular to a wall-mounted air conditioner indoor unit and a wall-mounted air conditioner.
  • the indoor unit of the wall-mounted air conditioner generally has a chassis, a heat exchanger, a cross-flow wind wheel and other air duct components. Since the indoor air conditioner of the wall-mounted air conditioner has a long-term working process, the cross-flow wind wheel is easy to deposit dust, so regular cleaning is required.
  • the heat exchanger In the existing indoor unit of the wall-mounted air conditioner, the heat exchanger is first disassembled, and the cross-flow wind wheel is leaked to disassemble the cross-flow wind wheel. In this process, the disassembly and installation of the heat exchanger is troublesome, which causes inconvenience in the disassembly of the cross flow wind wheel.
  • the main object of the present invention is to provide a wall-mounted air conditioner indoor unit, which aims to reduce the difficulty of disassembling the cross-flow wind wheel when the interior of the wall-mounted air conditioner needs to be cleaned.
  • the indoor unit of the wall-mounted air conditioner proposed by the present invention comprises:
  • a chassis having upper and lower ends in a width direction thereof, the chassis is provided with two baffles extending upward and downward and opposite, and the inner surfaces of the two baffles are respectively provided with a first sliding portion;
  • a heat exchanger mounted on the chassis, the chassis, the two baffles and the heat exchanger are collectively enclosed to form an air passage cavity with an opening downward;
  • An air outlet frame is disposed for the cross flow wind wheel, and the second sliding portion is disposed at opposite ends of the air outlet frame at a length direction of the chassis, and the air outlet frame and the two baffles pass the first sliding
  • the portion is detachably mounted to the air passage inner cavity in cooperation with the second sliding portion groove rail.
  • the first sliding portion is a sliding groove disposed on the inner surfaces of the two baffles
  • the second sliding portion is a sliding block disposed at two ends of the air outlet frame.
  • the slider is disposed in an elongated shape in an extending direction of the sliding slot, and the slider is fixedly mounted to the air outlet frame.
  • the slider has a card slot at an end surface of one end of the air outlet frame, or a card slot is formed in a circumferential direction of the slider, and a sidewall of the sliding slot is formed with an inner flange, the inner side The flange extends into the card slot to be fastened to the slider.
  • At least one wall surface of the slider facing the inner wall of the sliding slot is provided with balls.
  • the chute is arranged in a straight line.
  • the angle between the chute and the vertical direction is greater than or equal to 10° and less than or equal to 30°.
  • the chute has a notch through which the lower end of the baffle is penetrated, and the notch is flared.
  • the sliding slot includes a side wall extending toward a lower end of the baffle, and a guiding wall located at the notch and connected to the side wall, the guiding wall and the side wall being at an angle greater than It is equal to 3° and less than or equal to 10°.
  • the air outlet frame comprises a frame for the cross-flow wind wheel, a volute tongue, a water connection tank connecting the volute tongue, and a wind deflector mounting bracket connecting the volute tongue, the volute tongue and the joint
  • the water tank and the wind deflector mounting bracket are integrally formed.
  • the inner surface of the two baffles is provided with a spring buckle, and the two ends of the air outlet frame are provided with a positioning slot, and the air outlet frame is fixed by the spring buckle and the positioning slot.
  • the air passage lumen is provided.
  • the wall-mounted air conditioner indoor unit has a wind turbine motor connected to the cross-flow wind turbine, and the wind turbine motor is mounted on the air outlet frame.
  • the present invention also provides a wall-mounted air conditioner comprising a wall-mounted air conditioner indoor unit, the wall-mounted air conditioner indoor unit comprising a chassis, a heat exchanger and an air outlet frame, the chassis having upper and lower sides in a width direction thereof
  • the bottom plate is provided with two baffles extending in the upper and lower direction and opposite to each other, and the inner surfaces of the two baffles are respectively provided with a first sliding portion;
  • the heat exchanger is mounted on the chassis, the chassis,
  • the two baffles and the heat exchanger are enclosed to form an air passage inner cavity with an opening downward;
  • the air outlet frame is installed by a cross flow wind wheel, and the relative direction of the air outlet frame in the longitudinal direction of the chassis
  • a second sliding portion is disposed at both ends, and the air outlet frame and the two baffles are detachably mounted to the air passage inner cavity by the first sliding portion and the second sliding portion groove rail.
  • the first sliding portion is a sliding groove disposed on the inner surfaces of the two baffles
  • the second sliding portion is a sliding block disposed at two ends of the air outlet frame.
  • the slider is disposed in an elongated shape in an extending direction of the sliding slot, and the slider is fixedly mounted to the air outlet frame.
  • the slider has a card slot at an end surface of one end of the air outlet frame, or a card slot is formed in a circumferential direction of the slider, and a sidewall of the sliding slot is formed with an inner flange, the inner side The flange extends into the card slot to be fastened to the slider.
  • At least one wall surface of the slider facing the inner wall of the sliding slot is provided with balls.
  • the chute is arranged in a straight line.
  • the angle between the chute and the vertical direction is greater than or equal to 10° and less than or equal to 30°.
  • the chute has a notch through which the lower end of the baffle is penetrated, and the notch is flared.
  • the sliding slot includes a side wall extending toward a lower end of the baffle, and a guiding wall located at the notch and connected to the side wall, the guiding wall and the side wall being at an angle greater than It is equal to 3° and less than or equal to 10°.
  • the air outlet frame comprises a frame for the cross-flow wind wheel, a volute tongue, a water connection tank connecting the volute tongue, and a wind deflector mounting bracket connecting the volute tongue, the frame body and the worm
  • the tongue, the water receiving sink and the wind deflector mounting bracket are integrally formed.
  • the inner surface of the two baffles is provided with a spring buckle, and the two ends of the air outlet frame are provided with a positioning slot, and the air outlet frame is fixed by the spring buckle and the positioning slot.
  • the air passage lumen is provided.
  • the wall-mounted air conditioner indoor unit has a wind turbine motor connected to the cross-flow wind turbine, and the wind turbine motor is mounted on the air outlet frame.
  • the technical solution of the present invention provides a first sliding portion on the two baffles forming the inner cavity of the air duct, and a second sliding portion that is engaged with the first sliding portion groove rail at both ends of the air outlet frame, so that the user When the cross-flow wind wheel is disassembled, it is not necessary to disassemble the heat exchanger, and only the air outlet frame needs to be slid out from the inner cavity of the air duct, thereby greatly reducing the difficulty of disassembling the cross-flow wind wheel.
  • FIG. 1 is a schematic view showing the internal structure of an indoor unit of a wall-mounted air conditioner according to the present invention
  • Figure 2 is a plan view of the indoor unit of the wall-mounted air conditioner of Figure 1;
  • Figure 3 is a cross-sectional view of the indoor unit of the wall-mounted air conditioner of Figure 2 taken along line M-M;
  • FIG 4 is a schematic structural view of the chassis of Figure 1;
  • Figure 5 is a schematic view showing the assembly structure of the air outlet frame and the cross flow wind wheel of Figure 1;
  • Figure 6 is a schematic view showing the structure of the chassis of Figure 2 from another perspective
  • Figure 7 is a schematic enlarged view of the structure at C in Figure 6.
  • the directional indication is only used to explain in a certain posture (as shown in the drawing)
  • the relative positional relationship between the components, the motion situation, and the like if the specific posture changes, the directional indication also changes accordingly.
  • first”, “second”, etc. in the embodiments of the present invention, the description of the "first”, “second”, etc. is used for the purpose of description only, and is not to be construed as an Its relative importance or implicit indication of the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the technical solutions between the various embodiments may be combined with each other, but must be based on the realization of those skilled in the art, and when the combination of the technical solutions is contradictory or impossible to implement, it should be considered that the combination of the technical solutions does not exist. It is also within the scope of protection required by the present invention.
  • the invention provides a wall-mounted air conditioner indoor unit, and a wall-mounted air conditioner including the wall-mounted air conditioner indoor unit.
  • a wall-mounted air conditioner indoor unit 10 generally has a chassis 11, a face cover (not shown), a grill 14, a heat exchanger 12, a cross flow wind wheel 15 (Fig. 5), and a wind turbine motor (not shown). ).
  • the heat exchanger 12 is mounted on the chassis 11 and encloses the chassis 11 to form an open air passage cavity, and the cross flow wind wheel 15 is installed in the air passage inner cavity.
  • the wall-mounted air conditioner indoor unit 10 includes a chassis 11, a heat exchanger 12, and an air outlet frame 13, the chassis 11 having a width direction thereof.
  • the upper and lower ends of the chassis 11 are provided with two baffles 11b extending in the upward and downward directions and opposite sides, and the inner surfaces of the two baffles 11b are respectively provided with a first sliding portion.
  • the heat exchanger 12 is mounted on the chassis 11, and the chassis 11, the two baffles 11b and the heat exchanger 12 are collectively enclosed to form an air passage cavity with an opening downward.
  • the air outlet frame 13 is mounted on the cross flow wind wheel 15 , and the second sliding portion is disposed at opposite ends of the air outlet frame 13 in the longitudinal direction of the chassis 11 .
  • the air outlet frame 13 and the two baffles 11b are detachably mounted in the air duct inner cavity by the first sliding portion and the second sliding portion groove rail.
  • the wall-mounted air conditioner indoor unit 10 is generally disposed in a rectangular parallelepiped shape, and has a left and right ends in the longitudinal direction, upper and lower ends in the width direction, and a direction perpendicular to the wall when the wall is mounted. Front and rear sides.
  • the chassis 11 has a bottom plate 11a for mounting against the wall, the two baffles 11b being left and right baffles spaced apart in the left and right directions, and both baffles 11b extending forward from the bottom plate 11a.
  • the left baffle has an inner plate surface facing the right baffle, and the right baffle also has an inner plate surface facing a plate surface of the left baffle, and both inner plates are provided with a first plate surface Slide.
  • the first sliding portion may be a guide groove or a boss; that is, the inner plate surfaces may be provided with guide grooves, or may be provided with a boss, or one of the inner plate faces may be provided with a guide groove.
  • the other inner panel is provided with a boss.
  • the guide groove it should be understood that the guide groove extends to the lower end of the baffle 11b.
  • the air outlet frame 13 may be a frame body 13a for only the cross-flow wind wheel. On the basis of the frame body 13a, the air outlet frame 13 may also be the frame body 13a and the volute tongue and the air deflector. At least one of the bracket 13d or the sink 13c is combined.
  • Both ends of the air outlet frame 13, that is, the left and right ends are provided with a second sliding portion that engages with the first sliding portion groove rail.
  • the second sliding portion may be a guide groove or a boss; that is, the left and right ends of the air outlet frame 13 may be provided with guide grooves, or may be provided with a boss, or one of the guide grooves may be provided at one end thereof. The other end is provided with a boss.
  • the air outlet frame 13 When the air outlet frame 13 is slidably mounted in position by the first sliding portion and the second sliding portion, the air outlet frame 13 can be fixed in the air passage inner cavity by a fixing member (for example, a screw).
  • a fixing member for example, a screw.
  • the fixing member needs to be removed first, and then the air outlet frame 13 is pulled out from the air channel inner cavity along the first sliding portion.
  • the two second sliding portions can be aligned with the two first sliding portions, and then the air outlet frame 13 can be pushed toward the air passage inner cavity from the opening.
  • a motor mounting position 132 may be disposed on the air outlet frame 13 for installation of the wind turbine motor. In this way, when the cross-flow wind wheel 15 is disassembled, the wind turbine motor can be disassembled, or when the wind turbine motor needs maintenance, the air outlet frame 13 can be directly removed, and then the wind turbine motor can be disassembled.
  • the technical solution of the present invention provides a first sliding portion on the two baffles 11b forming the inner cavity of the air duct, and a second sliding portion that is engaged with the first sliding portion groove rail at both ends of the air outlet frame 13,
  • the heat exchanger 12 does not need to be disassembled, and only the air outlet frame 13 needs to be slid out from the air passage inner cavity, thereby greatly reducing the difficulty of disassembling the cross flow wind wheel 15.
  • the first sliding portion may be a guide groove or a convex rail
  • the second sliding portion may be either a convex rail or a guide groove.
  • the strength of the air outlet frame 13 may be reduced.
  • the cross flow wind wheel 15 is rotating, if the strength of the air outlet frame 13 is low, the rotation of the cross flow wind wheel 15 is The stability of the air outlet frame 13 may be poor. In severe cases, the air outlet frame 13 may be directly broken.
  • the first sliding portion is a sliding slot 110 disposed on the inner surface of the two baffles 11b
  • the second sliding portion is a slider disposed at two ends of the air outlet frame 13 13b.
  • the slider 13b may have various shapes, for example, the slider 13b is arranged in a circle, the slider 13b is arranged in a square shape, the slider 13b is arranged in an ellipse, and other irregular shapes may be provided.
  • the front side of the air outlet frame 13 is the heat exchanger 12, and the rear side is the bottom plate 11a of the base.
  • the heat exchanger 12 or the bottom plate 11a may be touched. On the one hand, it may interfere with the sliding of the air outlet frame 13, and in addition, the heat exchanger 12 may be deformed or damaged due to the collision of the air outlet frame 13 with the heat exchanger 12.
  • the slider 13b is disposed in a non-circular shape, and the slider 13b is fixedly mounted to the air outlet frame 13.
  • the air outlet frame 13 does not rotate with respect to the slider 13b.
  • the slider 13b since the slider 13b is disposed in a non-circular shape, the slider 13b does not rotate relative to the sliding slot 110 in the sliding slot 110, and the air outlet frame 13 does not yaw forward and backward with respect to the first guiding rail, thereby It is avoided that the air outlet frame 13 comes into contact with the heat exchanger 12 or the bottom plate 11a of the chassis 11 when sliding.
  • the non-circularly disposed slider 13b is preferably disposed in an elongated shape in the extending direction of the chute 110.
  • the slider 13 b and the end surface of one end of the air outlet frame 13 have a card slot, or the slider A card slot is formed in the circumferential direction of the 13b, and the side wall forming the sliding slot 110 is provided with an inner flange 111, and the inner flange 111 extends into the card slot to be fastened to the slider 13b.
  • the resistance is large, and the starting is not smooth.
  • the number of times of sliding or the longer time may cause the chute 110 or the bad block to be deformed, which is also disadvantageous for sliding.
  • at least one wall surface of the slider 13b facing the inner wall of the sliding slot 110 is provided with balls.
  • the chute 110 has a groove bottom and a side wall adjacent to the groove bottom. The end surface of the slider 13b facing the groove bottom is provided with a ball, or the wall of the slider 13b facing the side wall of the chute 110 is provided with a ball.
  • the chassis 11 is usually formed by an injection molding process. If the chute 110 is not linear during injection molding, it may cause difficulty in demolding. In order to facilitate the manufacture of the molding, in the embodiment, the chute 110 is arranged in a straight line. Further, with respect to the chute 110 provided in a straight line shape, the slider 13b of the air outlet frame 13 slides more smoothly in the chute 110.
  • the opening of the air passage lumen is typically located at the lower end of the air duct interior and in a forward position. Therefore, when the air outlet frame 13 is pushed into the air passage cavity, the movement path of the air outlet frame 13 is obliquely upward.
  • the chute 110 should also be disposed obliquely upward.
  • the angle ⁇ cannot be excessively large, otherwise, the outlet frame 13 may interfere with the heat exchanger 12 when sliding.
  • the angle ⁇ should not be too small, otherwise the air outlet frame 13 will interfere with the bottom plate 11a of the chassis 11.
  • the angle ⁇ between the chute 110 and the vertical direction is greater than or equal to 10° and less than or equal to 30°.
  • the bottom plate 11a of the chassis 11 has a surface facing the wall and flush with the wall when the wall-mounted air conditioner indoor unit 10 is mounted on the wall, and the vertical direction means extending from the top to the bottom along the surface. The direction.
  • the sliding slot 110 has a slot for penetrating the lower end of the shutter 11b, and the slot is expanded.
  • the chute 110 extends from the top to the bottom along the baffle 11b (inclined extension), and the chute 110 extends to the lower end edge of the baffle 11b.
  • the chute 110 has two side walls extending toward the lower end of the baffle 11b, namely, a front front side wall and a rear rear side wall.
  • the slot of the slot 110 is flared.
  • the front wall of the slot of the slot 110 may be inclined forward, or the rear wall of the slot of the slot 110 may be inclined rearward.
  • the inclination angle ⁇ of the front side wall and the rear side wall is also limited.
  • the slot of the sliding slot 110 has a guiding wall connected to the sidewall, and the angle ⁇ between the guiding wall and the sidewall is greater than or equal to 3° and less than or equal to 10°. For this angle ⁇ , if the angle ⁇ is too small, the guiding effect is not significant. If the angle ⁇ is too large, the joint between the guide wall and the side wall may interfere with the slider 13b.
  • the air outlet frame 13 may be a frame body 13a for only the cross flow wind wheel 15, and the air outlet frame 13 may be the frame body 13a and the frame body 13a. At least one of the volute tongue, the wind deflector mounting bracket 13d or the water receiving tank 13c is combined. It is considered that the air deflector mounting bracket 13d and the water receiving tank 13c are generally located at the air outlet, so if the water receiving tank 13c and the air deflector mounting bracket 13d are not attached to the above-described housing 13a, before the above-described housing 13a is detached It is also necessary to remove the water tank 13c and the air deflector mounting bracket 13d. In this way, the disassembly step of the cross flow wind wheel 15 is increased. In addition, the volute tongue is often required to be disassembled and cleaned.
  • the air outlet frame 13 includes a frame body 13a for mounting the cross flow wind wheel 15, a volute tongue, a water receiving tank 13c connecting the volute tongue, and a wind guide connecting the volute tongue
  • the panel mounting bracket 13d is integrally formed with the frame body 13a, the volute tongue, the water receiving tank 13c, and the wind deflector mounting bracket 13d.
  • the inner surfaces of the two baffle plates 11b are provided with
  • the latching ring 11c is provided with a positioning slot 131 at both ends of the air outlet frame 13.
  • the air outlet frame 13 is fixedly mounted in the air duct inner cavity by the latching buckle 11c and the positioning slot 131.
  • both ends of the air outlet frame 13 press the spring clip 11c, and the spring buckle 11c is elastically deformed until the air outlet frame 13 completely enters the inner cavity, and the positioning slot 131 and the latch 11c are positioned.
  • the buckle 11c returns to the elastic deformation and enters the positioning groove 131. Therefore, under the action of the chute 110 and the buckle 11c, the air outlet frame 13 can be initially positioned in the air passage cavity. The user can then fix the air outlet frame 13 in the air passage cavity by means of a fixing member.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

L'invention concerne une unité intérieure (10) d'un climatiseur mural et un climatiseur mural. L'unité intérieure (10) d'un climatiseur mural comprend un châssis (11), un échangeur de chaleur (12) et un cadre de sortie d'air (13). Le châssis (11) présente des extrémités supérieure et inférieure dans son sens de la largeur. Le châssis (11) est doté de deux déflecteurs (11b) opposés s'étendant le long de la direction verticale. Des premières parties coulissantes sont agencées sur des surfaces internes des deux déflecteurs (11b). L'échangeur de chaleur (12) est monté sur le châssis (11). Le châssis (11), les deux déflecteurs (11b) et l'échangeur de chaleur (12) forment une cavité interne de conduit d'air avec une ouverture vers le bas à travers une enceinte commune. Le cadre de sortie d'air (13) est utilisé pour monter une roue éolienne à flux transversal (15). Le cadre de sortie d'air (13) est doté de secondes parties coulissantes au niveau de deux extrémités opposées dans la direction de la longueur du châssis (11). Le cadre de sortie d'air (13) et les deux déflecteurs (11b) sont montés de manière amovible dans la cavité interne de conduit d'air au moyen d'un accouplement rainure/rail entre les premières parties coulissantes et les secondes parties coulissantes.
PCT/CN2017/079027 2017-01-18 2017-03-31 Unité intérieure de climatiseur mural et climatiseur mural Ceased WO2018133208A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201720070971.2 2017-01-18
CN201720070971.2U CN206420058U (zh) 2017-01-18 2017-01-18 壁挂式空调器室内机及壁挂式空调器
CN201710050116.XA CN106705242B (zh) 2017-01-18 2017-01-18 壁挂式空调器室内机及壁挂式空调器
CN201710050116.X 2017-01-18

Publications (1)

Publication Number Publication Date
WO2018133208A1 true WO2018133208A1 (fr) 2018-07-26

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ID=62907478

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/079027 Ceased WO2018133208A1 (fr) 2017-01-18 2017-03-31 Unité intérieure de climatiseur mural et climatiseur mural

Country Status (1)

Country Link
WO (1) WO2018133208A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015087063A (ja) * 2013-10-31 2015-05-07 株式会社富士通ゼネラル 空気調和機
CN104748238A (zh) * 2015-03-31 2015-07-01 广东美的制冷设备有限公司 空调器室内机和空调器室内机的机壳
CN105318438A (zh) * 2015-11-30 2016-02-10 广东美的制冷设备有限公司 空调室内机

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015087063A (ja) * 2013-10-31 2015-05-07 株式会社富士通ゼネラル 空気調和機
CN104748238A (zh) * 2015-03-31 2015-07-01 广东美的制冷设备有限公司 空调器室内机和空调器室内机的机壳
CN105318438A (zh) * 2015-11-30 2016-02-10 广东美的制冷设备有限公司 空调室内机

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