CN204084601U - Wall-hanging air conditioner indoor unit - Google Patents
Wall-hanging air conditioner indoor unit Download PDFInfo
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- CN204084601U CN204084601U CN201420431256.3U CN201420431256U CN204084601U CN 204084601 U CN204084601 U CN 204084601U CN 201420431256 U CN201420431256 U CN 201420431256U CN 204084601 U CN204084601 U CN 204084601U
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- front panel
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- wall
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Abstract
The utility model discloses a kind of wall-hanging air conditioner indoor unit, the panel rack comprising electric-controlled plate, front panel and connect with front panel, in addition, also comprise the air-purifying module and front panel open detection device that are electrically connected with electric-controlled plate respectively, air-purifying module is arranged on inside the air-inlet grille of wall-hanging air conditioner indoor unit, front panel open detection device comprises Hall switch and magnet, and Hall switch is arranged on the inner side of front panel, and magnet is arranged on panel rack; When front wall opposite face board mount is in the closed position, Hall switch and magnet are in being oppositely arranged, and Hall switch is positioned at the magnetic field range of magnet, with the magnetic field of induced magnet.Thus, Hall switch mounting structure of the present utility model, meeting under the prerequisite that air-conditioner normally runs, when opening front panel artificially, can trigger front panel open detection device, thus cut off the power supply of air-purifying module, ensure that the personal safety of operating personnel.
Description
Technical field
The utility model relates to air-conditioning technical field, particularly relates to a kind of wall-hanging air conditioner indoor unit.
Background technology
The front panel opposite face frame of common wall-hanging air conditioner indoor unit is generally fixed, only just front panel can be opened when dismounting screen pack.When opening air-conditioning, in order to carry out deeper purification filtering to room air, more and more high-end type is equipped with the air-purifying module (such as PM2.5 module) for fine particle in filtering air, and PM2.5 module installation is at air-inlet grille place.When opening front panel, PM2.5 module can manifest, because PM2.5 module is with high-tension electricity, therefore before not disconnecting the power supply of PM2.5, namely open the associated components of front panel to indoor set operate (such as cleaned filter screen), serious threat can be caused, as easy as rolling off a log generation electric shock accidents to the personal safety of user.In view of this, usually front panel breakdown action checkout gear is installed between front panel and face frame, such as, this checkout gear adopts non-contact detection principle, it comprises Hall switch and magnet, Hall switch is arranged on the frame of face, magnet is arranged on front panel, and Hall switch is corresponding with the position of magnet, when front wall is opened, Hall switch and magnet produce relative motion, and checkout gear receives signal that front panel is opened and cuts off the power supply of PM2.5 module immediately, to guarantee safety.
But for a kind of wall-hanging air conditioner indoor unit improving intake, when it is in running order, front panel, towards the front upper place lifting certain distance of wall-hanging air conditioner indoor unit, to make between front panel and face frame in opened condition, thus increases incoming air area.At wall-hanging air conditioner indoor unit run duration, front panel opposite face dynamic distance of frameing shift exceedes the working range of Hall switch, thus cannot adopt the conventional mounting structure of above-mentioned detection device.
Foregoing only understands the technical solution of the utility model for auxiliary, does not represent and admits that foregoing is prior art.
Utility model content
Main purpose of the present utility model is that solving Hall switch mounting structure of the prior art cannot be applicable to the technical problem that front panel is in the wall-hanging air conditioner indoor unit of open mode.
For achieving the above object, the utility model provides a kind of wall-hanging air conditioner indoor unit, comprise electric-controlled plate, front panel and the panel rack connected with described front panel, in addition, described wall-hanging air conditioner indoor unit also comprises the air-purifying module and front panel open detection device that are electrically connected with described electric-controlled plate respectively, described air-purifying module is arranged on inside the air-inlet grille of described wall-hanging air conditioner indoor unit, described front panel open detection device comprises Hall switch and magnet, described Hall switch is arranged on the inner side of described front panel, described magnet is arranged on described panel rack, when the relatively described panel rack of described front panel is in the closed position, described Hall switch and described magnet are in being oppositely arranged, and described Hall switch is positioned at the magnetic field range of described magnet, to respond to the magnetic field of described magnet.
Preferably, described wall-hanging air conditioner indoor unit also comprises the display lamp box on the medial surface being arranged on described front panel, and described Hall switch is removably mounted on described display lamp box.
Preferably, the side plate that described display lamp box comprises base plate and extended to form from the periphery of described base plate toward the medial surface of described front panel, described side plate is provided with interface arrangment spaced apart and screw connecting structure, the medial surface of described front panel is provided with fit structure corresponding with the interface arrangment of described display lamp box and the position of screw connecting structure respectively, described display lamp box is connected by snap-fit engagement and screw with described front panel.
Preferably, described Hall switch is connected by the first interface arrangment with described display lamp box, and described magnet is connected by the second interface arrangment with described panel rack.
Preferably, described first interface arrangment comprises with the shape adaptation of described Hall switch and the first draw-in groove of accommodating described Hall switch, described Hall switch and described first draw-in groove clamping adaptation.
Preferably, a side of described first draw-in groove is opened wide and is arranged and be formed with the first elasticity snap arm, and the end of described first elasticity snap arm is provided with the first grab with described Hall switch clamping adaptation.
Preferably, described second interface arrangment comprises with the shape adaptation of described magnet and the second draw-in groove of accommodating described magnet, described magnet and described second draw-in groove clamping adaptation.
Preferably, described magnet comprises magnet body and connector, described connector comprises in the first relative side and the second side, described magnet body is arranged on described first side, described second side convex is provided with at least one projection, described connector also comprises in relative first end and the second end, described first end stretches out and is formed with the first Access Division, described second end stretches out and is formed with the second Access Division, and described first Access Division and described second Access Division are all inserted in described second draw-in groove; One side of described second draw-in groove is opened wide and is formed with the second elasticity snap arm, and the end of described second elasticity snap arm is provided with the second grab, described second grab and described protruding clamping adaptation.
Preferably, described second side convex is provided with two described projections, and described projection is hemispherical.
Preferably, described connector is extended with press section towards the end face of described second draw-in groove entrance side toward a lateral buckling of described magnet body, and described press section shelters from described magnet body.
A kind of wall-hanging air conditioner indoor unit provided by the utility model, by magnet being arranged on the panel rack of promotion front panel motion, and will be arranged on front panel with the matching used Hall switch of magnet, no matter front panel is in the closed position under the driving of panel rack thus, enable possition, or in motion process, the relative position of front panel and panel rack all can not change, namely the relative position of magnet and Hall switch can not change, thus ensure that Hall switch mounting structure of the present utility model can not impact the normal operation of air-conditioner, improve the detection accuracy of front panel open detection device, and when opening front panel artificially, front panel opposite face board mount is moved, and namely the relative position of magnet and Hall switch changes, thus triggers front panel open detection device, and then cut off the power supply of air-purifying module, ensure that the personal safety of operating personnel.
Accompanying drawing explanation
Fig. 1 is the part-structure exploded perspective view of the utility model wall-hanging air conditioner indoor unit one embodiment;
Fig. 2 is the structural representation of the display lamp box shown in Fig. 1;
Fig. 3 is the part-structure schematic diagram of the display lamp box shown in Fig. 1;
Fig. 4 is the structural representation of the panel rack shown in Fig. 1;
Fig. 5 is the enlarged diagram of the part A in Fig. 4;
Fig. 6 is the structural representation of the magnet shown in Fig. 1.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of wall-hanging air conditioner indoor unit, see Fig. 1, in one embodiment, the panel rack 300 that this main wall-hanging air conditioner indoor unit comprises electric-controlled plate (not shown), front panel 100 and connects with this front panel 100, be understandable that, the wall-hanging air conditioner indoor unit of the present embodiment also comprises the parts of other indispensabilities, such as form face frame and the chassis of the housing parts of wall-hanging air conditioner indoor unit, these parts are known by those skilled in the art, and therefore not to repeat here.In order to increase intake, the front panel 100 of the present embodiment is bascule, face frame is provided with the driving mechanism for driving front panel 100 to move, easily know, driving mechanism has and multiplely realizes structure in the prior art, driving mechanism is connected with panel rack 300, such as, in one embodiment, driving mechanism is moved by pitch wheel rack drives panel rack 300, and then drive front panel 100 to move, graphic panel support 300 is provided with spur rack, front panel 100 and panel rack 300 are linked together by demountable structure, such as interface arrangment, therefore user is facilitated to open front panel 100.When air-conditioner start runs, front panel 100 travels forward under the driving of driving mechanism, makes between front panel 100 and face frame in opening.
In addition, described wall-hanging air conditioner indoor unit also comprises the air-purifying module (not shown) and front panel open detection device 400 that are electrically connected with electric-controlled plate respectively, wherein air-purifying module is arranged on inside the air-inlet grille of wall-hanging air conditioner indoor unit, the air-purifying module of the present embodiment adopts high-pressure electrostatic absorption principle to carry out adsorption treatment to the fine particle in air, because air-purifying module is with high voltage source, therefore, when front wall 100 is opened, need the power supply cutting off air-purifying module in time to guarantee safety; Whether front panel open detection device 400 is opened for detecting front panel 100, when front wall 100 is opened, front panel open detection device 400 is triggered and the signal be opened to electric-controlled plate transmission front panel 100, and namely electric-controlled plate cuts off the power supply of air-purifying module upon receipt of the signals.Particularly, front panel open detection device 400 comprises Hall switch 410 and magnet 420, and Hall switch 410 is arranged on the inner side of front panel 100, and magnet 420 is arranged on panel rack 300; When front wall 100 opposite face board mount 300 is in the closed position, Hall switch 410 and magnet 420 are in being oppositely arranged, and Hall switch 410 is positioned at the magnetic field range of magnet 420, to respond to the magnetic field of this magnet 420, under this state, front panel open detection device 400 is triggered, the power supply of electric-controlled plate conducting air cleaning module, to guarantee the work of air-purifying module normal power-up, thus purify air; And front wall 100 opposite face board mount 300 is when moving, namely Hall switch 410 changes with the relative position of magnet 420, such as when Hall switch 410 opposed magnet 420 moves 0.1 ~ 0.5mm, namely Hall switch 410 produces response, thus to the signal that electric-controlled plate transmission front panel 100 is opened, and then cut off the power supply of air-purifying module in time, guarantee the personal safety of operating personnel.
In sum, promote on the panel rack 300 that moves of front panel 100 by magnet 420 is arranged on, and will be arranged on front panel 100 with the matching used Hall switch 410 of magnet 420, no matter front panel 100 is in the closed position under the driving of panel rack 300 thus, enable possition, or in motion process, front panel 100 all can not change with the relative position of panel rack 300, namely magnet 420 can not change with the relative position of Hall switch 410, thus ensure that Hall switch mounting structure of the present utility model can not impact the normal operation of air-conditioner, improve the detection accuracy of front panel open detection device 400, and when opening front panel 100 artificially, front panel 100 opposite face board mount 300 is moved, namely magnet 420 changes with the relative position of Hall switch 410, thus trigger front panel open detection device 400, and then cut off the power supply of air-purifying module, ensure that the personal safety of operating personnel.
In the present embodiment, this wall-hanging air conditioner indoor unit also comprises the display lamp box 200 on the medial surface being arranged on front panel 100, and Hall switch 410 is removably mounted on this display lamp box 200, and as shown in Figure 1, display lamp box 200 is near one end of front panel 100.Wherein Hall switch 410 to be arranged on the side of display lamp box 200 (be shown position G1 corresponding to Fig. 1), magnet 420 is arranged on the side of panel rack 300 (be shown position G2 corresponding to Fig. 1), and Hall switch 410 and magnet 420 are in being oppositely arranged.Thus, the signal lead of Hall switch 410 together can be arranged with the wire of display lamp box 200, simplifies the wire structures of front panel 100.Under normal circumstances, front panel 100, panel rack 300 and display lamp box 200 are all made of plastics, in order to simplify structural design, make the installation of Hall switch 410 and magnet 420 easier, in the preferred embodiment, Hall switch 410 is connected by the first interface arrangment with display lamp box 200, and correspondingly, magnet 420 is connected by the second interface arrangment with panel rack 300.
Particularly, the side plate 220 that display lamp box 200 comprises base plate 210 and extended to form by the medial surface of the periphery panel 100 forward of this base plate 210, side plate 220 is provided with interface arrangment (corresponding diagram 2 is interface arrangment 221 and interface arrangment 222) spaced apart and screw connecting structure 223, preferably, base plate 210 is rectangle, side plate 220 is by forming on four sides, and wherein Hall switch 410, interface arrangment 221, interface arrangment 222 and screw connecting structure 223 are respectively arranged in the wherein one side of side plate 220.The medial surface of front panel 100 is provided with fit structure (corresponding diagram 1 is respectively fit structure 110, fit structure 120 and fit structure 130) corresponding with the interface arrangment of display lamp box 200 and the position of screw connecting structure 223 respectively, display lamp box 200 and front panel 100 are connected and fixed by snap-fit engagement and screw.See Fig. 1 and Fig. 2, in one embodiment, fit structure 110 is for being arranged on the elastic fastening hook on the medial surface of front panel 100, fit structure 120 is for being arranged on the draw-in groove on front panel 100 medial surface, fit structure 130 is for being arranged on the stud on the medial surface of front panel 100, and this stud is provided with internal thread; Correspondingly, interface arrangment 221, interface arrangment 222 and screw connecting structure 223 to stretch out the plate-like piece formed by the lateral wall of side plate 220, wherein interface arrangment 221 is provided with the hole clipping 2211 be fastened and connected with fit structure 110, and screw connecting structure 223 is provided with the through hole 2231 corresponding with the position of fit structure 130.During concrete assembling, first interface arrangment 222 is inserted in fit structure 120, again by the hole clipping 2211 aligned fit structure 110 of interface arrangment 221, pressing display lamp box 200, interface arrangment 221 is engaging in place, finally uses the through hole 2231 through screw connecting structure 223 and screw in the installation that can complete display lamp box 200 in fit structure 130 and fix.Thus, not only structure is simple, dismounting is convenient for the mounting structure of display lamp box 200, and display lamp box 200 can be made to be positioned at securely on front panel 100, ensure that the stability of the relative position of Hall switch 410 and magnet 420.
See Fig. 3, particularly, the first interface arrangment comprises with the shape adaptation of Hall switch 410 and first draw-in groove (not marking in figure) of accommodating Hall switch 410, Hall switch 410 and the first draw-in groove clamping adaptation.First draw-in groove is jointly enclosed by some platy structures being shaped in the sidewall of display lamp box 200 and is formed, than the first draw-in groove as shown in Figure 3, the sidewall of display lamp box 200 outwards protrudes out the base plate 230a and base plate 230b that are formed with partition, base plate 230a protrudes out towards the end face of front panel 100 and is formed with side plate 240a, base plate 230b protrudes out towards the end face of front panel 100 and is formed with side plate 240b, and the end face of side plate 240a and side plate 240b is formed with a top board (not shown), this top board and base plate 230a, base plate 230b is in being oppositely arranged, base plate 230a thus, base plate 230b, side plate 240a, side plate 240b and top board jointly enclose and form described first draw-in groove, this first draw-in groove has for Hall switch 410 plug-in mounting opening within it, the fixing of Hall switch 410 is realized by the snap-fit engagement formed between Hall switch 410 and the first draw-in groove, and form the opening passed for signal lead between base plate 230a and base plate 230b, adapt to the installation requirement of Hall switch 410.
Deviate from from the first draw-in groove to prevent Hall switch 410, make Hall switch 410 obtain position-limiting action more reliably simultaneously, in a preferred embodiment of the first draw-in groove, one side of the first draw-in groove is opened wide and is arranged and be formed with the first elasticity snap arm 250, also the first elasticity snap arm 250 is replaced to by above-mentioned top board, and the first grab 251 with Hall switch 410 clamping adaptation is provided with in the end of the first elasticity snap arm 250, the first grab 251 is herein for being arranged on the projection of the end of the first elasticity snap arm 250, conveniently Hall switch 410 is installed, the cross sectional shape of this projection is triangular in shape.
See Fig. 4 and Fig. 5, particularly, the second interface arrangment comprises with the shape adaptation of magnet 420 and second draw-in groove (not marking in figure) of this magnet 420 accommodating, magnet 420 and the second draw-in groove clamping adaptation.Similar with the structure of above-mentioned first draw-in groove, second draw-in groove of the present embodiment is also jointly enclosed by the platy structure on some sides being shaped in panel rack 300 and is formed.Than the second draw-in groove as shown in Figure 5, the side of panel rack 300 outwards protrudes out the riser 310 and the riser 320 that are formed with in enclosing shape, wherein the sidewall of riser 310 and riser 320 all offers opening, and the opening of the opening of riser 310 and riser 320 is in being oppositely arranged, the cavity that riser 310 encloses formation forms a branch of the second draw-in groove, the cavity that riser 320 encloses formation forms another part of the second draw-in groove, the second draw-in groove is defined under the common combination of riser 310 and riser 320, the fixing of magnet 420 can be realized by being inserted in the second draw-in groove by magnet 420.Should be appreciated that and be not limited to above-mentioned exemplary construction according to the version of the second draw-in groove of the utility model embodiment.
In the process of installing magnet 420, in order to prevent causing damage to magnet 420, simultaneously firm magnet 420 better, see Fig. 6, the magnet 420 of the present embodiment comprises magnet body 411 and connector 412, and wherein magnet body 411 can be Hard Magnetic, also can be soft magnetism, conveniently install, magnet body 411 is preferably square magnet; Connector 412 comprises in the first relative side S1 and the second side S2, magnet body 411 is arranged on the first side S1, for the object simplifying structural design, magnet body 411 is fastened on the first side S1 by bonding way, and such as linkage interface is between the two provided with double faced adhesive tape or glue.In addition, second side S2 convex is provided with at least one projection 413, connector 412 also comprises in relative first end and the second end, wherein first end stretches out and is formed with the first Access Division 414a, second end stretches out and is formed with the second Access Division 414b, and the first Access Division 414a and the second Access Division 414b is all inserted in the second draw-in groove; Corresponding with the version of the connector 412 being provided with protruding 413, one side of the second draw-in groove is opened wide and is formed with the second elasticity snap arm 330, the end of the second elasticity snap arm 330 is provided with the second grab, in structure shown in Fig. 5, second grab is the projection of the end being arranged on the second elasticity snap arm 330, when magnet 410 is inserted in the second draw-in groove, second grab and protruding 413 clampings, thus prevent magnet 410 from outwards deviating from, fixed effect is better, ensure that stability and the accuracy of front panel open detection device 400.
Further, in order to reduce the resistance between the second grab and protruding 413, thus more easily magnet 410 is inserted in the second draw-in groove, simultaneously fixed magnet 410 more securely, second side S2 convex is provided with two projections 413, and this projection 413 is in hemispherical.In addition, connector 412 is extended with press section 415 towards the end face of the second draw-in groove entrance side toward a lateral buckling of magnet body 411, this press section 415 shelters from magnet body 411, therefore can not be pressed into magnet body 411 in the process of installing magnet 410, thus avoid damage is caused to the syndeton between magnet body 411 and the first side S1.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a wall-hanging air conditioner indoor unit, the panel rack comprising electric-controlled plate, front panel and connect with described front panel, it is characterized in that, described wall-hanging air conditioner indoor unit also comprises the air-purifying module and front panel open detection device that are electrically connected with described electric-controlled plate respectively, described air-purifying module is arranged on inside the air-inlet grille of described wall-hanging air conditioner indoor unit, described front panel open detection device comprises Hall switch and magnet, described Hall switch is arranged on the inner side of described front panel, and described magnet is arranged on described panel rack; When the relatively described panel rack of described front panel is in the closed position, described Hall switch and described magnet are in being oppositely arranged, and described Hall switch is positioned at the magnetic field range of described magnet, to respond to the magnetic field of described magnet.
2. wall-hanging air conditioner indoor unit as claimed in claim 1, it is characterized in that, described wall-hanging air conditioner indoor unit also comprises the display lamp box on the medial surface being arranged on described front panel, and described Hall switch is removably mounted on described display lamp box.
3. wall-hanging air conditioner indoor unit as claimed in claim 2, it is characterized in that, the side plate that described display lamp box comprises base plate and extended to form from the periphery of described base plate toward the medial surface of described front panel, described side plate is provided with interface arrangment spaced apart and screw connecting structure, the medial surface of described front panel is respectively arranged with the fit structure corresponding with the interface arrangment of described display lamp box and the position of screw connecting structure, described display lamp box is connected by snap-fit engagement and screw with described front panel.
4. wall-hanging air conditioner indoor unit as claimed in claim 2, it is characterized in that, described Hall switch is connected by the first interface arrangment with described display lamp box, and described magnet is connected by the second interface arrangment with described panel rack.
5. wall-hanging air conditioner indoor unit as claimed in claim 4, it is characterized in that, described first interface arrangment comprises with the shape adaptation of described Hall switch and the first draw-in groove of accommodating described Hall switch, described Hall switch and described first draw-in groove clamping adaptation.
6. wall-hanging air conditioner indoor unit as claimed in claim 5, is characterized in that, a side of described first draw-in groove is opened wide and arranged and be formed with the first elasticity snap arm, and the end of described first elasticity snap arm is provided with the first grab with described Hall switch clamping adaptation.
7. wall-hanging air conditioner indoor unit as claimed in claim 4, it is characterized in that, described second interface arrangment comprises with the shape adaptation of described magnet and the second draw-in groove of accommodating described magnet, described magnet and described second draw-in groove clamping adaptation.
8. wall-hanging air conditioner indoor unit as claimed in claim 7, it is characterized in that, described magnet comprises magnet body and connector, described connector comprises in the first relative side and the second side, described magnet body is arranged on described first side, described second side convex is provided with at least one projection, described connector also comprises in relative first end and the second end, described first end stretches out and is formed with the first Access Division, described second end stretches out and is formed with the second Access Division, described first Access Division and described second Access Division are all inserted in described second draw-in groove, one side of described second draw-in groove is opened wide and is formed with the second elasticity snap arm, and the end of described second elasticity snap arm is provided with the second grab, described second grab and described protruding clamping adaptation.
9. wall-hanging air conditioner indoor unit as claimed in claim 8, it is characterized in that, described second side convex is provided with two described projections, and described projection is hemispherical.
10. wall-hanging air conditioner indoor unit as claimed in claim 8, is characterized in that, described connector is extended with press section towards the end face of described second draw-in groove entrance side toward a lateral buckling of described magnet body, and described press section shelters from described magnet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420431256.3U CN204084601U (en) | 2014-07-31 | 2014-07-31 | Wall-hanging air conditioner indoor unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420431256.3U CN204084601U (en) | 2014-07-31 | 2014-07-31 | Wall-hanging air conditioner indoor unit |
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| Publication Number | Publication Date |
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| CN204084601U true CN204084601U (en) | 2015-01-07 |
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| CN201420431256.3U Active CN204084601U (en) | 2014-07-31 | 2014-07-31 | Wall-hanging air conditioner indoor unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668285A (en) * | 2019-01-31 | 2019-04-23 | 广东美的制冷设备有限公司 | Air processor |
| CN112268315A (en) * | 2020-10-26 | 2021-01-26 | 珠海格力电器股份有限公司 | Wall-mounted air conditioner indoor unit |
| CN114135931A (en) * | 2020-09-04 | 2022-03-04 | 广州联动万物科技有限公司 | Air conditioner and cover opening protection system and cover opening protection method thereof |
-
2014
- 2014-07-31 CN CN201420431256.3U patent/CN204084601U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109668285A (en) * | 2019-01-31 | 2019-04-23 | 广东美的制冷设备有限公司 | Air processor |
| CN114135931A (en) * | 2020-09-04 | 2022-03-04 | 广州联动万物科技有限公司 | Air conditioner and cover opening protection system and cover opening protection method thereof |
| CN112268315A (en) * | 2020-10-26 | 2021-01-26 | 珠海格力电器股份有限公司 | Wall-mounted air conditioner indoor unit |
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