CN111998435A - Air conditioner - Google Patents
Air conditioner Download PDFInfo
- Publication number
- CN111998435A CN111998435A CN202011002446.XA CN202011002446A CN111998435A CN 111998435 A CN111998435 A CN 111998435A CN 202011002446 A CN202011002446 A CN 202011002446A CN 111998435 A CN111998435 A CN 111998435A
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- CN
- China
- Prior art keywords
- fresh air
- air conditioner
- air
- fresh
- heating device
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/009—Indoor units, e.g. fan coil units characterised by heating arrangements
- F24F1/0093—Indoor units, e.g. fan coil units characterised by heating arrangements with additional radiant heat-discharging elements, e.g. electric heaters
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- 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
- F24F13/22—Means for preventing condensation or evacuating condensate
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- 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
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The invention discloses an air conditioner, comprising: the air conditioner comprises a machine shell, a fan and a fan, wherein the machine shell is provided with an indoor air inlet, a fresh air inlet, an air outlet and a fresh air outlet; the fresh air switch piece is arranged at the fresh air inlet to open or close the fresh air inlet; and the heating device is arranged on the fresh air switch piece to heat fresh air entering the fresh air inlet. According to the air conditioner provided by the embodiment of the invention, the heating device is arranged on the fresh air switch piece, so that the condition that the fresh air switch piece is blocked and fails due to freezing of condensed water can be avoided. Thereby when not needing the new trend function, the new trend switch spare can normally be closed, and the separation cold air avoids the new trend export to produce the comdenstion water in entering into the casing.
Description
Technical Field
The invention relates to the field of refrigeration, in particular to an air conditioner.
Background
Some air conditioning indoor sets of correlation technique are equipped with new trend parts, and when the air conditioning indoor set was moved in winter, the back was opened to new trend parts, and outdoor fresh cold air will be followed the new trend tuber pipe and entered into in the air conditioning indoor set in order to introduce indoorly through the new trend blast gate, has the dead phenomenon of new trend blast gate card among the correlation technique, and the new trend blast gate became invalid when leading to the shut down state, can't close to during cold air constantly flows backward gets into the air conditioner, the play of panel new trend air outlet forms a large amount of comdenstion water, leads to the air conditioner to drip to complai.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
Therefore, the invention provides the air conditioner, the fresh air switch piece can be normally closed, cold air is prevented from entering the shell, and condensed water is prevented from being generated at the fresh air outlet.
An air conditioner according to an embodiment of the present invention includes: the air conditioner comprises a machine shell, a fan and a fan, wherein the machine shell is provided with an indoor air inlet, a fresh air inlet, an air outlet and a fresh air outlet; the fresh air switch piece is arranged at the fresh air inlet to open or close the fresh air inlet; and the heating device is arranged on the fresh air switch piece to heat fresh air entering the fresh air inlet.
According to the air conditioner provided by the embodiment of the invention, the heating device is arranged on the fresh air switch piece, so that the condition that the fresh air switch piece is blocked and fails due to freezing of condensed water can be avoided. Thereby when not needing the new trend function, the new trend switch spare can normally be closed, and the separation cold air avoids the new trend export to produce the comdenstion water in entering into the casing.
In some embodiments of the present invention, the heating device includes a heating element and a mounting bracket, the heating element is disposed on the mounting bracket, and the mounting bracket is fixed on the fresh air switch element.
In some embodiments of the present invention, a first mounting hole is formed on the fresh air switch, a second mounting hole is formed on the mounting bracket, and a fixing connector is respectively matched with the first mounting hole and the second mounting hole to fix the mounting bracket on the fresh air switch.
In some embodiments of the present invention, the air conditioner includes a fresh air component, the fresh air component is disposed in the casing, the fresh air component is provided with a fresh air channel communicated with the fresh air inlet, and the fresh air switch is disposed in the fresh air channel.
In some embodiments of the present invention, the fresh air switch member is rotatably disposed within the fresh air channel.
In some embodiments of the present invention, the heating devices are disposed on opposite sidewalls of the fresh air switch member.
In some embodiments of the present invention, the heating element of the heating device is an electric ceramic heating tube or an infrared heating tube.
In some embodiments of the invention, the fresh air outlet is arranged above the air outlet.
In some embodiments of the invention, the front panel of the enclosure is provided with a plurality of vents to define the fresh air outlet.
In some embodiments of the present invention, the air conditioner has a control device, and the control device is respectively connected with the fresh air switch member and the heating device to control the fresh air switch member and the heating device to operate independently.
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 diagram of an air conditioner according to some embodiments of the present invention;
fig. 2 is a schematic view of an internal structure of the air conditioner shown in fig. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic view of a fresh air switch and heating device according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an air conditioner according to further embodiments of the present invention;
fig. 6 is an enlarged view of a portion B in fig. 5.
Reference numerals:
an air conditioner 100,
A machine shell 1, an indoor air inlet 10, a fresh air inlet 11, an air outlet 12, a fresh air outlet 13,
A fresh air switch 2, a first mounting hole 20,
A heating device 3, a heating member 30, a mounting bracket 31, a second mounting hole 310,
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 or similar 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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An air conditioner 100 according to an embodiment of the present invention will be described with reference to fig. 1-6, wherein the air conditioner 100 may be of the split wall type or the split floor type.
As shown in fig. 1 to 6, an air conditioner 100 according to an embodiment of the present invention includes: casing 1, new trend switch member 2 and heating device 3, wherein casing 1 is equipped with indoor wind import 10, new trend import 11, air outlet 12 and new trend export 13. In some examples of the present invention, as shown in fig. 1, the air conditioner 100 is a split wall type, the indoor air inlet 10 is located at the top of the cabinet 1, the fresh air inlet 11 is located at the rear surface of the cabinet 1, the fresh air outlet 13 is located on the front panel of the cabinet 1, and the air outlet 12 is located at the front lower portion of the cabinet 1. Specifically, the fresh air outlet 13 is arranged above the air outlet 12, so that fresh air can be blown to the upper part of a room, and the fresh air can be distributed in the indoor environment from top to bottom, so that the fresh air effect is improved. In the specific example shown in fig. 1, the front panel of the cabinet 1 is provided with a plurality of vent holes to define the fresh air outlet 13, so that a non-wind effect can be achieved and comfort can be improved.
The fresh air switch member 2 is arranged at the fresh air inlet 11 to open or close the fresh air inlet 11. Specifically, the fresh air switch 2 may be configured to open or close the fresh air inlet 11 in a rotatable, movable, or retractable manner.
The heating device 3 is arranged on the fresh air switch piece 2 to heat the fresh air entering the fresh air inlet 11. Specifically, the heating device 3 can be a resistance wire heater, and can heat outdoor air (namely fresh air) when electrified, so that the structure is simple and reliable. It is understood that the structure of the heating device 3 is not limited thereto, as long as the heating device 3 can heat the fresh air, for example, the heating element of the heating device 3 may be a ceramic electric heating tube or an infrared heating tube. The infrared heating pipe generates electromagnetic waves by utilizing the infrared spectrum radiation principle, so that the ambient air is heated and warmed, and compared with a resistance wire heating pipe, the safety is better, and the heating is uniform and quick. The ceramic electric heating tube is internally provided with an alloy wire penetrating and winding and a ceramic block, and the shell is wrapped by metal.
Specifically, the air conditioner 100 may further include an indoor heat exchanger and other elements, the indoor heat exchanger is disposed in the casing 1, and the indoor air enters the casing 1 through the indoor air inlet 10 and is sent to the indoor environment through the air outlet 12 after being subjected to heat exchange by the indoor heat exchanger. When outdoor air is required to be introduced, the fresh air inlet 11 is opened by the fresh air switch part 2, and the outdoor air enters the machine shell 1 through the fresh air inlet 11 and is sent into the indoor environment through the fresh air outlet 13.
When the indoor environment does not need to be ventilated, the fresh air inlet 11 is closed by the fresh air switch part 2 to protect the air conditioner 100, so that sundries or small animals are prevented from entering the casing 1 through the fresh air inlet 11, and the outdoor air can be prevented from being poured into the casing 1.
The air conditioner 100 is lower when outdoor environment temperature, for example when the operation in winter, opens new trend import 11 when new trend switch spare 2 makes outdoor air get into new trend import 11, can make heating device 3 operation in order to heat the outdoor air that gets into new trend import 11, makes the cold air become the hot-air, thereby avoids the cold-hot air to intersect and produce the condensation water in new trend import 11 department, and then avoids the condensation water to freeze and leads to the condition that the card death became invalid to new trend switch spare 2 appear. Thereby when not needing the new trend function, new trend switch member 2 can normally be closed, and the separation cold air enters into casing 1 in, solves the complaint that new trend export 13 produced the comdenstion water.
According to the air conditioner 100 provided by the embodiment of the invention, the heating device 3 is arranged on the fresh air switch piece 2, so that the condition that the fresh air switch piece 2 is blocked and fails due to freezing of condensed water can be avoided. Thereby when not needing the new trend function, new trend switch member 2 can normally close, and the separation cold air avoids new trend export 13 to produce the comdenstion water in entering into casing 1.
In some embodiments of the present invention, the air conditioner 100 includes a first fan and a second fan, the first fan and the second fan are respectively disposed in the casing 1, the first fan and the second fan operate independently, the first fan can suck indoor air into the casing 1 from the indoor air inlet 10 and exchange heat with the indoor heat exchanger, and the air after heat exchange is blown out from the air outlet 12. The second fan is operable to draw outdoor air into the cabinet 1 from the fresh air inlet 11 and to deliver the air to the indoor environment from the fresh air outlet 13.
It should be understood that the number of the fans is not limited to this, as long as it is ensured that the indoor air can be sucked into the casing 1 from the indoor air inlet 10 and the outdoor air can be sucked into the casing 1 from the fresh air inlet 11, for example, in other embodiments of the present invention, the air conditioner 100 includes an indoor fan which is disposed in the casing 1, and the indoor fan can suck the indoor air into the casing 1 from the indoor air inlet 10 when the indoor fan is operated, and can suck the outdoor air into the casing 1 through the fresh air inlet 11 when the fresh air inlet 11 is opened.
According to some embodiments of the present invention, the air conditioner 100 includes a fresh air component 4, the fresh air component 4 is disposed in the casing 1, and the fresh air component 4 may include at least one of a fan and a filter assembly. In a specific example of the present invention, the fresh air component 4 includes a fan, so that whether the fresh air mode is turned on or not can be independently controlled.
In some embodiments of the present invention, as shown in fig. 2-6, the fresh air component 4 is provided with a fresh air channel 40 communicated with the fresh air inlet 11 and the fresh air outlet 13, and the fresh air switch component 2 is arranged in the fresh air channel 40. Therefore, the fresh air switch piece 2 is convenient to install, and the fresh air inlet 11 can be accurately opened or closed. In some examples of the invention, the fresh air switch member 2 is rotatably disposed within the fresh air channel 40. Therefore, the opening mode of the fresh air switch piece 2 is simple and reliable. Specifically, the fresh air switch member 2 can be turned between a horizontal position and a vertical position, and the opening degree of the fresh air inlet 11 is the largest when the fresh air switch member 2 is turned to the horizontal position. When new trend switch member 2 rotated to vertical position, new trend switch member 2 and fresh air channel 40's internal perisporium cooperation was in order shutoff fresh air channel 40 and then close new trend import 11. Preferably, the fresh air switch member 2 may be formed as a circular plate, so that the structure of the fresh air switch member 2 is simple.
Specifically, the fresh air channel 40 can be independently arranged with a heat exchange channel in the casing 1, and the indoor heat exchanger is arranged in the heat exchange channel, namely, fresh air enters the fresh air channel 40 from the fresh air inlet 11 and then is directly discharged from the fresh air outlet 13. Therefore, the fresh air function and the heat exchange function can be independently opened, and the control of the air conditioner 100 is facilitated. It can be understood that the fresh air channel 40 may also be communicated with the heat exchange channel in the casing 1 (always communicated or whether communicated is selected according to needs), and a part of the fresh air is discharged from the fresh air outlet 13, and another part of the fresh air may be discharged from the air outlet 12 through the heat exchange channel.
As shown in fig. 3 and 4, according to some embodiments of the present invention, the heating device 3 includes a heating member 30 and a mounting bracket 31, the heating member 30 is disposed on the mounting bracket 31, and the mounting bracket 31 is fixed on the fresh air switch member 2. Thereby facilitating assembly of the heating device 3 and avoiding damage to the heating member 30 during assembly. Further, each heating device 3 may include a plurality of mounting brackets 31, the heating member 30 is disposed on the plurality of mounting brackets 31, and the plurality of mounting brackets 31 are respectively fixed on the fresh air switch member 2, so that the mounting stability may be improved. In the example shown in fig. 4, the heating device 3 includes two mounting brackets 31, and the two mounting brackets 31 are fixed at two ends of the heating member 30 and fixed near the edge of the fresh air switch member 2, so that on the basis of ensuring the installation stability, the blocking of the fresh air circulation by the heating device 3 can be reduced, and the fresh air intake is ensured.
As shown in fig. 4, in some examples of the present invention, the heating member 30 is meandered, so that the heating amount of the heating device 3 can be increased.
Further, as shown in fig. 4, a first mounting hole 20 is formed on the fresh air switch 2, a second mounting hole 310 is formed on the mounting bracket 31, and a fixing connector is respectively matched with the first mounting hole 20 and the second mounting hole 310 to fix the mounting bracket 31 on the fresh air switch 2, wherein the fixing connector may be a screw, a bolt, or other elements. Thereby facilitating assembly of the mounting bracket 31. It is of course understood that the mounting bracket 31 can also be fixed to the fresh air switch element 2 in other ways, for example by a snap connection, welding, etc.
In some embodiments of the invention, as shown in fig. 3-6, the heating means 3 are provided on opposite side walls of the fresh air switch member 2. Thereby can effectually heat the new trend, avoid appearing the condensation water. Further, the heating devices 3 on the opposite side walls of the fresh air switch member 2 can be controlled independently or in a linkage manner.
In some embodiments of the present invention, the air conditioner 100 has a control device connected to the fresh air switch member 2 and the heating device 3, respectively, to control the independent operation of the fresh air switch member 2 and the heating device 3. The term "fresh air switch 2 and heating device 3 operate independently" means that the operating state of the fresh air switch 2 and the operating state of the heating device 3 are controlled independently, and when the fresh air inlet 11 is opened by the fresh air switch 2, the control device controls whether the heating device 3 is turned on or not according to the requirement (for example, according to the detected outdoor environment temperature or whether the user determines that heating needs to be turned on or not). Therefore, the intelligent control can be realized, and the energy can be saved.
It can be understood that the control mode of the fresh air switch 2 and the heating device 3 is not limited thereto, for example, the fresh air switch 2 and the heating device 3 can be controlled in a linkage manner, for example, when the control device controls the fresh air switch 2 to open the fresh air inlet 11, the heating device 3 is controlled in a linkage manner, and when the control device controls the fresh air switch 2 to close the fresh air inlet 11, the heating device 3 is controlled in a linkage manner, so that the control mode is simple and reliable.
Specifically, heating device 3 can be connected with controlling means through the electric wire, and after air conditioner 100 started, the user can use the remote controller to open new trend switch 2, and after new trend switch 2 opened new trend import 11, can open heating device 3's heating function.
Other configurations, such as a base plate, etc., and operations of the air conditioner 100 according to an embodiment of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "length", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, 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 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 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 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 (10)
1. An air conditioner (100), comprising:
the air conditioner comprises a machine shell (1), wherein the machine shell (1) is provided with an indoor air inlet (10), a fresh air inlet (11), an air outlet (12) and a fresh air outlet (13);
the fresh air switch piece (2) is arranged at the fresh air inlet (11) to open or close the fresh air inlet (11);
and the heating device (3) is arranged on the fresh air switch piece (2) to heat the fresh air entering the fresh air inlet (11).
2. The air conditioner (100) according to claim 1, wherein the heating device (3) comprises a heating element (30) and a mounting bracket (31), the heating element (30) is arranged on the mounting bracket (31), and the mounting bracket (31) is fixed on the fresh air switch element (2).
3. The air conditioner (100) according to claim 2, wherein the fresh air switch member (2) is provided with a first mounting hole (20), the mounting bracket (31) is provided with a second mounting hole (310), and a fixing connector is respectively matched with the first mounting hole (20) and the second mounting hole (310) to fix the mounting bracket (31) on the fresh air switch member (2).
4. The air conditioner (100) according to claim 1, wherein the air conditioner (100) comprises a fresh air component (4), the fresh air component (4) is arranged in the casing (1), the fresh air component (4) is provided with a fresh air channel (40) communicated with the fresh air inlet (11), and the fresh air switch component (2) is arranged in the fresh air channel (40).
5. The air conditioner (100) according to claim 4, wherein the fresh air switch member (2) is rotatably provided in the fresh air passage (40).
6. The air conditioner (100) according to claim 5, characterized in that the heating device (3) is provided on the opposite side walls of the fresh air switch member (2).
7. The air conditioner (100) according to claim 1, wherein the heating element of the heating device (3) is a ceramic electric heating tube or an infrared heating tube.
8. The air conditioner (100) according to claim 1, wherein the fresh air outlet (13) is provided above the air outlet (12).
9. The air conditioner (100) of claim 8, wherein the front panel of the cabinet (1) is provided with a plurality of vent holes to define the fresh air outlet (13).
10. The air conditioner (100) according to any one of claims 1 to 9, wherein the air conditioner (100) has a control device connected to the fresh air switch member (2) and the heating device (3) respectively to control the fresh air switch member (2) and the heating device (3) to operate independently.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011002446.XA CN111998435A (en) | 2020-09-22 | 2020-09-22 | Air conditioner |
| PCT/CN2020/129242 WO2022062131A1 (en) | 2020-09-22 | 2020-11-17 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011002446.XA CN111998435A (en) | 2020-09-22 | 2020-09-22 | Air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111998435A true CN111998435A (en) | 2020-11-27 |
Family
ID=73474343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011002446.XA Pending CN111998435A (en) | 2020-09-22 | 2020-09-22 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111998435A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880031A (en) * | 2021-02-08 | 2021-06-01 | 青岛海尔空调器有限总公司 | Air conditioner indoor unit and air conditioner |
-
2020
- 2020-09-22 CN CN202011002446.XA patent/CN111998435A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880031A (en) * | 2021-02-08 | 2021-06-01 | 青岛海尔空调器有限总公司 | Air conditioner indoor unit and air conditioner |
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