CN209944535U - Air conditioner indoor unit and air conditioner - Google Patents
Air conditioner indoor unit and air conditioner Download PDFInfo
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- CN209944535U CN209944535U CN201920426458.1U CN201920426458U CN209944535U CN 209944535 U CN209944535 U CN 209944535U CN 201920426458 U CN201920426458 U CN 201920426458U CN 209944535 U CN209944535 U CN 209944535U
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Abstract
The utility model discloses an indoor set of air conditioning and air conditioner, the indoor set of air conditioning includes: a housing having a central axial plane, the housing being bilaterally symmetric with respect to the central axial plane; the indoor heat exchanger is arranged in the shell; the rotating axis of the cross-flow wind wheel extends in the up-and-down direction, and the distance between the rotating axis of the cross-flow wind wheel and the middle shaft surface is not greater than 1/5 of the outer diameter of the cross-flow wind wheel. According to the air-conditioning indoor unit provided by the embodiment of the utility model, the rotation axis of the cross-flow wind wheel is arranged on one side of the middle axial surface, and the distance is not more than 1/5 of the outer diameter of the cross-flow wind wheel, so that the center of the cross-flow wind wheel is closer to the center of the whole air-conditioning indoor unit, and the compactness of the whole structure is improved; therefore, the air duct inclination angle of the cross flow wind wheel can be reduced, namely, the air flow flowing out of the air duct is closer to the center, so that the air sweeping of the indoor unit of the air conditioner is facilitated, the uniformity of indoor temperature distribution is improved, and the user experience is good.
Description
Technical Field
The utility model relates to an air conditioning technology field particularly, relates to an indoor set of air conditioner and air conditioner.
Background
In the prior art, most floor type air conditioners adopt a single cross flow wind wheel or a single centrifugal wind wheel, negative pressure is generated through high-speed rotation, so that driving air flows and is sent out from an air outlet of the air conditioner through a heat exchanger, a fan air duct, an air guide mechanism and the like.
In addition, because the deviation between the central position of the wind wheel and the central position of the whole machine is more, the central position of the cross-flow wind wheel is usually located at the left 30mm of the central position of the whole machine, and in order to ensure that the air outlet is located at the central position of the whole machine, the inclination angle of the air duct is increased, and then the air blown out from the air outlet is inclined, the uniformity of the temperature of a room is influenced, the use experience of a user is further influenced, and an improved space exists.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an indoor set of air conditioning, the air-out is even in the indoor set of air conditioning, and user experience is good.
The utility model discloses still provide an air conditioner.
According to the utility model discloses machine in air conditioning of first aspect embodiment, include: a housing having a central axial plane, the housing being bilaterally symmetric with respect to the central axial plane; the indoor heat exchanger is arranged in the shell; the rotating axis of the cross-flow wind wheel extends in the up-and-down direction, and the distance between the rotating axis of the cross-flow wind wheel and the middle shaft surface is not greater than 1/5 of the outer diameter of the cross-flow wind wheel.
According to the air-conditioning indoor unit provided by the embodiment of the utility model, the rotation axis of the cross-flow wind wheel is arranged on one side of the middle axial surface, and the distance is not more than 1/5 of the outer diameter of the cross-flow wind wheel, so that the center of the cross-flow wind wheel is closer to the center of the whole air-conditioning indoor unit, and the compactness of the whole structure is improved; therefore, the air duct inclination angle of the cross flow wind wheel can be reduced, namely, the air flow flowing out of the air duct is closer to the center, so that the air sweeping of the indoor unit of the air conditioner is facilitated, the uniformity of indoor temperature distribution is improved, and the user experience is good.
According to the utility model discloses machine in air conditioning, the casing have with the first air outlet that the cross-flow wind wheel corresponds, the axis of rotation of cross-flow wind wheel with the well axial plane is in a parallel with the distance on the horizontal line on first air outlet place plane is not more than 1/5 of cross-flow wind wheel external diameter.
Specifically, the distance between the rotation axis of the cross-flow wind wheel and the central axis plane on a horizontal line parallel to the plane of the first air outlet is smaller than or equal to 15 mm.
According to the utility model discloses machine in air conditioning still includes: the shell is also provided with a second air outlet corresponding to the oblique flow wind wheel.
Furthermore, the rotation axis of the diagonal flow wind wheel extends in the vertical direction, the diagonal flow wind wheel is located above the cross flow wind wheel, and the second air outlet is located above the first air outlet.
Optionally, the rotational axis of the cross-flow wind wheel coincides with the rotational axis of the diagonal flow wind wheel; or the rotation axis of the cross-flow wind wheel is not coincident with the rotation axis of the oblique-flow wind wheel.
Optionally, the cross-flow wind wheel and the diagonal-flow wind wheel are driven by the same motor.
Specifically, the motor is a double-shaft motor, the motor is connected between the cross-flow wind wheel and the oblique-flow wind wheel, and the rotation axis of the cross-flow wind wheel is superposed with that of the oblique-flow wind wheel; or the motor is a single-shaft motor, the cross-flow wind wheel and the oblique-flow wind wheel are connected in series, and the motor is arranged on one side of the cross-flow wind wheel and one side of the oblique-flow wind wheel.
Optionally, the cross-flow wind wheel and the diagonal-flow wind wheel are respectively driven by two motors, and both the two motors are single-shaft motors.
Specifically, the diagonal flow wind wheel includes: the hub is of a hollow structure; a plurality of diagonal flow blades connected to the hub and extending radially outward of the hub, the plurality of diagonal flow blades being arranged at equal intervals in a circumferential direction of the hub.
According to the utility model discloses air conditioner of second aspect embodiment, include according to the utility model discloses the machine in the air conditioning of first aspect embodiment, through adopting above-mentioned machine in the air conditioning, the air-out is softer and even more, and indoor temperature distributes evenly, prevents that the user from producing vexed hot sense, has improved user's use and has experienced.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 2 is an exploded view of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 3 is a transverse sectional view of an indoor unit of an air conditioner according to an embodiment of the present invention;
fig. 4 is an exploded view of an indoor unit of an air conditioner according to another embodiment of the present invention.
Reference numerals:
an indoor unit 100 of an air conditioner is provided,
a shell 10, a central axial plane C10, a first air outlet 11, a second air outlet 12, an air inlet 13, an air duct 14,
the cross flow wind wheel 20, the rotation axis C20 of the cross flow wind wheel,
a diagonal flow wind wheel 30, a hub 31, diagonal flow blades 32,
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An air conditioning indoor unit 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 4.
As shown in fig. 1 to 4, an air conditioning indoor unit 100 according to an embodiment of the present invention includes: the indoor heat exchanger 40, the casing 10 and the cross flow wind wheel 20.
The casing 10 is provided with a middle axial plane C10, the casing 10 is symmetrical left and right relative to the middle axial plane C10, the indoor heat exchanger 40 is arranged in the casing 10, the rotation axis C20 of the cross flow wind wheel 20 extends in the up-and-down direction, and the distance between the rotation axis C20 of the cross flow wind wheel 20 and the middle axial plane C10 of the casing 10 is smaller than or equal to 1/5 of the outer diameter D of the cross flow wind wheel 20.
According to the air-conditioning indoor unit 100 provided by the embodiment of the present invention, the rotation axis C20 of the cross-flow wind wheel 20 is arranged on one side of the central axis C10 of the casing 10, and the distance is not greater than 1/5 of the outer diameter of the cross-flow wind wheel 20, so that the center of the cross-flow wind wheel 20 is closer to the center of the whole air-conditioning indoor unit, and the compactness of the whole structure is improved; therefore, the inclination angle of the air duct 14 of the cross flow wind wheel 20 can be reduced, the generated air flow is more vertical, namely, the air flow flowing out from the air duct 14 is closer to the center, so that the air-sweeping of the indoor unit 100 of the air conditioner is facilitated, the uniformity of indoor temperature distribution is improved, and the user experience is good.
According to an embodiment of the present invention, the casing 10 has the first air outlet 11, the first air outlet 11 corresponds to the cross flow wind wheel 20 in the front-rear direction, the first air outlet 11 extends in the left-right direction, the distance between the rotation axis C20 of the cross flow wind wheel 20 and the central axial plane C10 of the casing 10 is less than or equal to 1/5 of the outer diameter D of the cross flow wind wheel 20, that is, on the horizontal line parallel to the plane where the first air outlet 11 is located, the distance between the rotation axis C20 of the cross flow wind wheel 20 and the central axial plane C10 of the casing 10 is not greater than 1/5 of the outer diameter D of the cross flow wind wheel 20.
In a specific example, the distance between the rotation axis C20 of the cross-flow wind wheel 20 and the central axis C10 of the casing 10 in the left-right direction is less than 15mm, and of course, may also be equal to 15mm, thereby, the cross-flow wind wheel 20 is close to the center of the casing 10, the air duct 14 of the cross-flow wind wheel 20 is also closer to the center, the first air outlet 11 is located at a middle position, thereby reducing the inclination angle of the air duct 14, the air flow flows out along the air duct 14, and the air flow is also concentrated at a position close to the center, which is beneficial to the air-sweeping of the indoor unit 100 of the air conditioner, improves the uniformity of the indoor temperature distribution, and.
According to the utility model discloses an embodiment, machine 100 still includes in the air conditioning: the casing 10 is further provided with a second air outlet 12, the second air outlet 12 corresponds to the oblique flow wind wheel 30, and the oblique flow wind wheel 30 and the second air outlet 12 are arranged, so that the indoor air conditioning unit 100 can flow out of the two air outlets, gas convection can be formed indoors, indoor temperature distribution can be improved, and indoor temperature is more uniform; and under the condition with the amount of wind, the air current is seen off from two air outlets, and the gas velocity of flow that every air outlet flows reduces, and the air-out is softer, and the user uses more comfortablely.
As shown in fig. 1 and 2, in some specific examples, the rotation axis of the diagonal flow wind wheel 30 extends in the up-down direction, the diagonal flow wind wheel 30 is located above the cross flow wind wheel 20, and the second air outlet 12 is located above the first air outlet 11, so that the airflow generated by the cross flow wind wheel 20 flows out from below, the airflow generated by the diagonal flow wind wheel 30 flows out from above, and the airflow above and the airflow below are alternately convected, thereby better improving the indoor temperature, improving the uniformity of temperature distribution, preventing the user from generating a stuffy feeling, and improving the user experience.
In some examples, the rotation axis C20 of the cross-flow wind wheel 20 coincides with the rotation axis of the diagonal flow wind wheel 30, so that the cross-flow wind wheel 20 and the diagonal flow wind wheel 30 can be driven by the same motor, which not only reduces the motor and saves the cost, but also is beneficial to increasing the size of the diagonal flow wind wheel 30, thereby increasing the air volume and improving the space utilization rate; in addition, the rotation central axes of the oblique flow wind wheel 30 and the cross flow wind wheel 20 are the same in the rotation process, so that the oblique flow wind wheel 30 and the cross flow wind wheel 20 cannot shake in the rotation process, and the rotation stability of the oblique flow wind wheel 30 and the cross flow wind wheel 20 is improved.
As shown in fig. 2, in some alternative examples, the motor is a two-shaft motor 50, and the motor is connected between the cross-flow wind wheel 20 and the diagonal-flow wind wheel 30, at this time, the rotation axis C20 of the cross-flow wind wheel 20 coincides with the rotation axis of the diagonal-flow wind wheel 30, and the cross-flow wind wheel 20 and the diagonal-flow wind wheel 30 rotate synchronously under the driving of the two-shaft motor 50.
In still other alternative examples, the motor is a single-shaft motor, and the motor is connected to the upper end or the lower end of the cross-flow wind wheel 20 and the diagonal-flow wind wheel 30, that is, the cross-flow wind wheel 20 and the diagonal-flow wind wheel 30 are connected in series and matched, and then the cross-flow wind wheel 20 or the diagonal-flow wind wheel 30 is connected to the single-shaft motor through one side of the cross-flow wind wheel 20 or the diagonal-flow wind wheel 30, so that the cross-flow wind wheel 20 or.
As shown in fig. 4, in other examples, the rotation axis C20 of cross-flow wind wheel 20 is not coincident with the rotation axis of diagonal flow wind wheel 30, cross-flow wind wheel 20 and diagonal flow wind wheel 30 are driven by two motors, respectively, and both motors are single-shaft motors 60, wherein the distance between the rotation axis C20 of cross-flow wind wheel 20 and the rotation axis of diagonal flow wind wheel 30 is no more than 1/5 of the outer diameter D of cross-flow wind wheel 20, preferably, the distance is no more than 15mm, so that the two wind wheels can have different rotation speeds, facilitating the convection of the upper and lower air flows; and the size of the diagonal flow wind wheel 30 can be increased to further improve the condition of airflow disturbance.
In still other examples, rotational axis C20 of cross-flow rotor 20 coincides with the rotational axis of diagonal-flow rotor 30, but cross-flow rotor 20 and diagonal-flow rotor 30 are driven by two single-shaft motors 60, respectively, thereby allowing cross-flow rotor 20 and diagonal-flow rotor 30 to have different rotational speeds for control thereof.
As shown in fig. 2, according to an embodiment of the present invention, the diagonal flow wind wheel 30 includes: the hub 31 and the plurality of diagonal flow blades 32, the hub 31 is a hollow structure, the diagonal flow blades 32 are connected with the hub 31, the diagonal flow blades 32 extend outwards along the radial direction of the hub 31, the inclination direction of each diagonal flow blade 32 is inclined with the radial direction of the hub 31, so that the airflow flows outwards along the diagonal flow blades 32, the plurality of diagonal flow blades 32 are arranged at equal intervals along the circumferential direction of the hub 31, the airflow flows upwards in an inclined manner by arranging the diagonal flow blades 32, so that the airflow can flow out from the second air outlet 12, the air outlet area is increased, the uniformity of the outlet air is improved, and the diagonal flow wind wheel 30 with the structure is simple in structure, easy to manufacture and high in working efficiency.
In some specific examples, the cross flow wind wheel 20 is formed in a tubular shape extending in a vertical direction, the hub 31 is connected to an end of the cross flow wind wheel 20 and rotates in synchronization with the cross flow wind wheel 20, and the diagonal flow blades 32 rotate with the hub 31.
As shown in fig. 3, according to the utility model discloses an embodiment, casing 10 has air intake 13, the wind channel 14 has in the casing 10, through-flow wind wheel 20 locates in wind channel 14, air intake 13 is located the rear of wind channel 14, first air outlet 11 is located the place ahead of wind channel 14, first air outlet 11 includes a plurality of micropores, in order to form the air-out effect of no wind sense, second air outlet 12 is located the top of first air outlet 11, top here can be directly over, also can be for oblique top, be in under the condition of no wind sense at first air outlet 11, through setting up second air outlet 12, can guarantee that there is sufficient air current to flow, thereby can avoid under no wind sense operating mode, because cold volume reduces and leads to the indoor temperature to rise, or the heat reduces and leads to the indoor temperature to reduce, influence user's use.
According to the utility model discloses air conditioner, include according to the utility model discloses indoor set 100 of air conditioner, through adopting above-mentioned indoor set 100 of air conditioner, the air-out is softer and even, and indoor temperature distributes evenly, prevents that the user from producing stifle hotness, has improved user's use and has experienced.
A specific embodiment of an air conditioner according to the present invention will be described with reference to fig. 1 to 3.
The air conditioner comprises an air conditioner indoor unit 100, wherein the air conditioner indoor unit 100 comprises a shell 10, a rotatable cross-flow wind wheel 20, a rotatable oblique-flow wind wheel 30 and an indoor heat exchanger 40.
The casing 10 extends along the up-down direction, the indoor heat exchanger 40 is arranged in the casing 10, an air duct 14 is limited in the casing 10, an air inlet 13 is formed in the rear side of the air duct 14, a first air outlet 11 and a second air outlet 12 are formed in the front side of the air duct 14, the first air outlet 11 corresponds to the cross flow wind wheel 20, the second air outlet 12 corresponds to the diagonal flow wind wheel 30, the second air outlet 12 is located above the first air outlet 11, the first air outlet 11 extends along the left-right direction, and the first air outlet 11 comprises a plurality of micropores so as to form an airless air outlet effect during air outlet.
The cross-flow wind wheel 20 is formed into a tubular shape extending in the vertical direction, the rotation axis C20 of the cross-flow wind wheel 20 extends in the up-down direction, the rotation axis of the diagonal flow wind wheel 30 also extends in the up-down direction, the rotation axis C20 of the cross-flow wind wheel 20 is overlapped with the rotation axis of the diagonal flow wind wheel 30, the cross-flow wind wheel 20 and the diagonal flow wind wheel 30 are in driving connection through the double-shaft motor 50, the upper end of the double-shaft motor 50 is connected with the diagonal flow wind wheel 30, and the lower end of the double-shaft motor 50 is connected.
The mixed-flow wind wheel 30 includes a hub 31 and a plurality of mixed-flow blades 32, the hub 31 is a hollow structure, the mixed-flow blades 32 are connected to the hub 31, the mixed-flow blades 32 extend outward in the radial direction of the hub 31, and the plurality of mixed-flow blades 32 are arranged at equal intervals in the circumferential direction of the hub 31.
Wherein, the distance L between the rotation axis C20 of the cross flow wind wheel 20 and the middle axis C10 of the casing 10 in the left-right direction is 10mm, and L is smaller than 1/5 of the outer diameter D of the cross flow wind wheel 20.
According to the air conditioner provided by the embodiment of the utility model, the center of the cross flow wind wheel 20 is closer to the center of the whole air conditioner, so that the compactness of the whole structure is improved; the inclination angle of the air duct 14 is reduced, so that the air flow flowing out of the air duct 14 is closer to the center, the air sweeping of the indoor unit 100 of the air conditioner is facilitated, and the uniformity of indoor temperature distribution is improved; the two air outlets are arranged, so that gas convection is formed indoors, the distribution of indoor temperature is further improved, and the indoor temperature is more uniform; under the condition of the same air volume, airflow is sent out from the two air outlets, the flow rate of the air flowing out from each air outlet is reduced, the air outlet is softer, and the use of a user is more comfortable; in addition, two air outlets ensure that enough airflow flows out, and the condition that the indoor temperature rises due to the reduction of the cold quantity under the working condition without wind sensation is avoided, so that the use experience of a user is improved.
Other configurations and operations of the air conditioner according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features through another feature not directly in contact. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (11)
1. An indoor unit of an air conditioner, comprising:
a housing having a central axial plane, the housing being bilaterally symmetric with respect to the central axial plane;
the indoor heat exchanger is arranged in the shell;
the rotating axis of the cross-flow wind wheel extends in the up-and-down direction, and the distance between the rotating axis of the cross-flow wind wheel and the middle shaft surface is not greater than 1/5 of the outer diameter of the cross-flow wind wheel.
2. The indoor unit of claim 1, wherein the casing has a first air outlet corresponding to the cross-flow wind wheel, and the central axis plane is perpendicular to a plane of the first air outlet.
3. An indoor unit of an air conditioner according to claim 1, wherein a distance between the rotation axis of the cross-flow wind wheel and the central axis surface is 15mm or less.
4. An indoor unit of an air conditioner according to claim 2, further comprising: the shell is also provided with a second air outlet corresponding to the oblique flow wind wheel.
5. An indoor unit of an air conditioner according to claim 4, wherein a rotation axis of the diagonal flow wind wheel extends in an up-down direction, the diagonal flow wind wheel is located above the cross flow wind wheel, and the second air outlet is located above the first air outlet.
6. An indoor unit of an air conditioner according to claim 4, wherein a rotation axis of the cross-flow wind wheel coincides with a rotation axis of the diagonal-flow wind wheel; or the rotation axis of the cross-flow wind wheel is not coincident with the rotation axis of the oblique-flow wind wheel.
7. An indoor unit of an air conditioner according to any one of claims 4 to 6, wherein the cross-flow wind wheel and the diagonal-flow wind wheel are driven by the same motor.
8. An indoor unit of an air conditioner according to claim 7, wherein the motor is a double-shaft motor, and the motor is connected between the cross flow wind wheel and the diagonal flow wind wheel, and the rotation axis of the cross flow wind wheel coincides with the rotation axis of the diagonal flow wind wheel;
or the motor is a single-shaft motor, the cross-flow wind wheel and the oblique-flow wind wheel are connected in series, and the motor is arranged on one side of the cross-flow wind wheel and one side of the oblique-flow wind wheel.
9. An indoor unit of an air conditioner according to any one of claims 4 to 6, wherein the cross-flow wind wheel and the diagonal-flow wind wheel are respectively driven by two motors, and both motors are single-shaft motors.
10. An indoor unit of an air conditioner according to claim 4, wherein the diagonal flow wind wheel includes:
the hub is of a hollow structure;
a plurality of diagonal flow blades connected to the hub and extending radially outward of the hub, the plurality of diagonal flow blades being arranged at equal intervals in a circumferential direction of the hub.
11. An air conditioner characterized by comprising an indoor unit of an air conditioner according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920426458.1U CN209944535U (en) | 2019-03-29 | 2019-03-29 | Air conditioner indoor unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920426458.1U CN209944535U (en) | 2019-03-29 | 2019-03-29 | Air conditioner indoor unit and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209944535U true CN209944535U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920426458.1U Active CN209944535U (en) | 2019-03-29 | 2019-03-29 | Air conditioner indoor unit and air conditioner |
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|---|---|
| CN (1) | CN209944535U (en) |
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2019
- 2019-03-29 CN CN201920426458.1U patent/CN209944535U/en active Active
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