CN108800515B - Water receiving device and air conditioner indoor unit with same - Google Patents
Water receiving device and air conditioner indoor unit with same Download PDFInfo
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- CN108800515B CN108800515B CN201810587520.5A CN201810587520A CN108800515B CN 108800515 B CN108800515 B CN 108800515B CN 201810587520 A CN201810587520 A CN 201810587520A CN 108800515 B CN108800515 B CN 108800515B
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- receiving device
- water receiving
- water
- waterproof layer
- protrusion
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract 22
- 238000004378 air conditioning Methods 0.000 claims 2
- 229920002725 thermoplastic elastomer Polymers 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 238000007664 blowing Methods 0.000 abstract 1
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Classifications
-
- 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
- F24F13/222—Means for preventing condensation or evacuating condensate for 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
- F24F2013/228—Treatment of condensate, e.g. sterilising
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- 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
本发明公开了一种接水装置及具有其的空调室内机，属于空调技术领域。本发明实施例提供了一种接水装置，所述接水装置，包括防水层，所述防水层与蒸发器翅片的尖角相对，与所述尖角对应的所述防水层处设有一长条状三角形凸起，所述凸起和所述尖角的一条边形成面对面的接触方式，支撑所述尖角。本发明实施例通过在所述蒸发器翅片的尖角相对的所述防水层处设置一长条状三角形凸起，使得所述凸起和所述尖角的一条边形成面对面的接触方式，支撑所述尖角，防止所述防水层被所述尖角刺破的风险，避免了由于所述防水层被刺破后发生空调室内机的吹水现象。
The invention discloses a water receiving device and an air conditioner indoor unit having the same, belonging to the technical field of air conditioners. An embodiment of the present invention provides a water receiving device, the water receiving device includes a waterproof layer, the waterproof layer is opposite to the sharp corners of the evaporator fins, and the waterproof layer corresponding to the sharp corners is provided with a waterproof layer. The elongated triangular protrusions form a face-to-face contact manner with one edge of the sharp corner to support the sharp corner. In the embodiment of the present invention, a long strip-shaped triangular protrusion is arranged at the waterproof layer opposite the sharp corner of the evaporator fin, so that the protrusion and one edge of the sharp corner form a face-to-face contact manner, The sharp corners are supported to prevent the risk of the waterproof layer being punctured by the sharp corners, and the phenomenon of water blowing from the air conditioner indoor unit after the waterproof layer is punctured is avoided.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a water receiving device and an air conditioner indoor unit with the same.
Background
An indoor unit of an air conditioner (including a fresh air fan) on the market at present comprises a shell, an air supply system, an evaporator, a water receiving device and other components.
In the operation and refrigeration process of the air conditioner (for a fresh air machine, including the heating process and the refrigeration process), condensed water can be generated in an air conditioner room, particularly an evaporator, and due to the fact that the temperature difference is too large, the generated condensed water is more, therefore, a water receiving device needs to be designed below an evaporator assembly, the condensed water generated by the air conditioner indoor machine is discharged out of the room, and the water leakage of the air conditioner indoor machine is avoided, and the adverse effect is generated on the air conditioner indoor machine.
In the existing air-conditioning indoor unit, an evaporator is composed of a plurality of rows of fins which are equal in size and are uniformly distributed, the fins are provided with sharp corners, a water receiving device is usually made of Polystyrene foam (EPS) by adopting an injection molding process, a thin waterproof layer is attached to a water collecting surface of the water receiving device, and the evaporator and the water receiving device are in contact in a point-surface contact mode, as shown in fig. 1 and 2, the contact mode easily causes the waterproof layer of the water receiving device to be punctured, so that the water receiving device leaks water, and the air-conditioning indoor unit breaks down.
Disclosure of Invention
The embodiment of the invention provides a water receiving device and an air conditioner indoor unit with the same, and aims to solve the problem that a waterproof layer of the water receiving device is easily punctured by fins of an evaporator in the prior art. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
According to a first aspect of the embodiments of the present invention, a water receiving device is provided, where the water receiving device includes a waterproof layer, the waterproof layer is opposite to a sharp corner of an evaporator fin, a long-strip-shaped triangular protrusion is disposed at a position of the waterproof layer corresponding to the sharp corner, and the protrusion and one side of the sharp corner form a face-to-face contact manner to support the sharp corner.
In some alternative embodiments, the cross-section of the protrusions is an equilateral triangle.
In some alternative embodiments, the sides of the equilateral triangle are 13-15mm in length.
In some optional embodiments, the water receiving device further comprises a gasket, and the gasket is arranged on a contact surface of the protrusion and the sharp corner.
In some alternative embodiments, the liner is made of a thermoplastic elastomer.
In some optional embodiments, the water receiving device further comprises a water collecting surface, and the surface of the water collecting surface is provided with the waterproof layer.
In some alternative embodiments, the water collection surface is a square dish comprising a first side wall, a second side wall, a first end wall, a second end wall, and a drainage surface at the bottom of the water collection surface;
wherein the first sidewall and the second sidewall are both parallel to the protrusion;
the first end wall and the second end wall are parallel to each other and perpendicular to the first side wall and the second side wall.
In some alternative embodiments, the drainage surface is inclined downwardly from the second end wall to the first end wall at an angle of 6-10 °.
In some optional embodiments, the junction between the first side wall of the water receiving device and the drainage surface is an involute transition section.
According to a second aspect of an embodiment of the present invention, there is provided an air conditioning indoor unit having the above water receiving device. The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the embodiment of the invention provides a water receiving device which comprises a waterproof layer, wherein the waterproof layer is opposite to the sharp corner of an evaporator fin, a long strip-shaped triangular bulge is arranged at the position of the waterproof layer corresponding to the sharp corner, and the bulge and one side of the sharp corner form a face-to-face contact mode to support the sharp corner.
According to the embodiment of the invention, the strip-shaped triangular bulge is arranged at the waterproof layer opposite to the sharp corner of the evaporator fin, so that the bulge and one side of the sharp corner form a face-to-face contact mode to support the sharp corner, the risk that the waterproof layer is punctured by the sharp corner is prevented, and the phenomenon of water blowing of the indoor unit of the air conditioner after the waterproof layer is punctured is avoided.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic view of a prior art evaporator and water collector connection;
FIG. 2 is an enlarged view of a portion of a prior art evaporator and water collector connection;
FIG. 3 is a schematic view of an evaporator and water trap connection shown in accordance with an exemplary embodiment;
FIG. 4 is an enlarged partial view of the evaporator and water trap connection shown in accordance with an exemplary embodiment;
FIG. 5 is a schematic view of a water receptacle according to an exemplary embodiment;
FIG. 6 is a schematic illustration of a drainage surface and natural drainage flow direction shown in accordance with an exemplary embodiment;
FIG. 7 is a cross-sectional view of an evaporator and water trap connection shown in accordance with an exemplary embodiment;
FIG. 8 is an enlarged fragmentary view of a cross-sectional view of an evaporator and water collector connection according to an exemplary embodiment;
description of the drawings 1, evaporator fins; 11. sharp corners; 2. an air supply system; 3. a water receiving device; 31. a waterproof layer; 311. a protrusion; 321. a first side wall; 322. a second side wall; 323. a first end wall; 324. a second end wall; 325. draining the water; 33. a water collection tank; 34. a first water discharge nozzle; 35. a second drain nozzle; 36. a liner.
Detailed Description
The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or structure from another entity or structure without requiring or implying any actual such relationship or order between such entities or structures. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
According to a first aspect of the embodiment of the present invention, there is provided a water receiving device, fig. 3 is a schematic view illustrating connection between an evaporator and the water receiving device according to an exemplary embodiment, as shown in fig. 3, the water receiving device 3 includes a waterproof layer 31, the waterproof layer 31 is opposite to a sharp corner 11 of an evaporator fin 1, an elongated triangular protrusion 311 is disposed at the waterproof layer 31 corresponding to the sharp corner 11, and the protrusion 311 and one edge of the sharp corner 11 form a face-to-face contact manner to support the sharp corner 11 and prevent the sharp corner 11 from puncturing the waterproof layer 31.
In the embodiment of the invention, the long strip-shaped triangular protrusion 311 is arranged at the waterproof layer 31 opposite to the sharp corner 11 of the evaporator fin 1, so that the protrusion 311 and one side of the sharp corner 11 form a face-to-face contact mode to support the sharp corner 11, the risk that the waterproof layer 31 is punctured by the sharp corner 11 is prevented, and the phenomenon that water is blown to the indoor unit of the air conditioner due to unbalanced air pressure after the waterproof layer 31 is punctured is avoided.
In some alternative embodiments, fig. 4 is a partial enlarged view of the evaporator and water receiving device connection according to an exemplary embodiment, and as shown in fig. 4, the cross section of the protrusion 311 is an equilateral triangle.
In some alternative embodiments, the side length of an equilateral triangle is denoted by L.
Through inciting somebody to action the arch 311 designs for equilateral triangle, has fully utilized triangle-shaped's stability characteristic, and the scheme is simple and practical, realizes easily contained angle 11 with face contact between the arch 311 has improved sealed effect.
In some alternative embodiments, as shown in fig. 4, the water receiving device 3 further includes a gasket 36, and the gasket 36 is disposed on a contact surface of the protrusion 311 and the sharp corner 11.
In alternative embodiments, the liner 36 is made of a thermoplastic elastomer.
In some alternative embodiments, the thermoplastic elastomer includes thermoplastic natural rubber, polyethylene-based thermoplastic elastomers, polyurethane-based plastic elastomers, and the like.
In some alternative embodiments, the thickness of the gasket 36 is 10mm, if the thickness of the gasket 36 is too thin, the gasket cannot play a role of sealing and damping, and if the thickness of the gasket 36 is too thick, the assembling relationship between the evaporator and the water receiving device 3 is affected, and in addition, the material cost is increased, and the product competitiveness is reduced.
In some alternative embodiments, the gasket 36 can be made to exert a sealing and shock-absorbing effect by disposing the gasket 36 on the contact surface of the protrusion 311 and the cusp 11 and limiting the thickness thereof to 10 mm. In some alternative embodiments, fig. 5 is a schematic structural view of a water receiving device according to an exemplary embodiment, and as shown in fig. 5, the water receiving device 3 further includes a water collecting surface, and a surface of the water collecting surface is provided with the waterproof layer 31.
In some alternative embodiments, the water collection surface is a square dish comprising a first sidewall 321, a second sidewall 322, a first end wall 323, a second end wall 324, and a drainage surface 325 at the bottom of the water collection surface;
wherein the first sidewall 321 and the second sidewall 322 are both parallel to the protrusion 311;
the first end wall 323 and the second end wall 324 are parallel to each other and perpendicular to the first side wall 321 and the second side wall 322.
The water collecting surface collects condensed water, and the condensed water flows onto the water discharge surface 325 and then is discharged out of the water receiving device 3.
In some optional embodiments, the connection between the first sidewall 321 of the water receiving device 3 and the drainage surface 325 is an involute transition section, which can effectively prevent the turbulence phenomenon of the wind direction generated between the first sidewall 321 and the drainage surface 325, and between the drainage surface 325 and the evaporator fin 1 when the cross section is square, and effectively solve the problems of reduced air volume and high noise of the air conditioning indoor unit caused by the turbulence phenomenon.
In some optional embodiments, the involute-shaped transition section is implemented by an involute of an acute pressure angle, which is obtained by data with a certain range of base circle diameter, that is, an acute angle included between a direction line of a normal pressure at any point on the involute and a speed direction of the point is a pressure angle of the point, a normal line at any point on the involute is tangent to the base circle, smooth discharge of wind speed can be effectively improved by adopting the involute-shaped transition section, and the problems of turbulence phenomenon and high noise existing when the first side wall 321 and the water discharge surface 325 are connected in a right angle are successfully solved.
When wind enters, since the wind speeds are substantially the same in the area above the evaporator fins and the area below the evaporator, the problems of turbulence and noise that are present when the first sidewall 321 and the drain surface 325 are connected at a right angle are solved.
In some alternative embodiments, fig. 6 is a schematic view of a drainage surface and a natural drainage flow direction according to an exemplary embodiment, and as shown in fig. 6, the water receiving device 3 further includes: and a first water discharge nozzle 34, wherein the first water discharge nozzle 34 is disposed on the first end wall 323 of the water discharge surface 325, and naturally discharges condensed water.
In some alternative embodiments, the drainage surface 325 is inclined downward from the second end wall 324 toward the first end wall 323 by an angle of 6-10 °, the drainage surface 35 is inclined to further facilitate natural drainage, and the arrow in fig. 6 represents a schematic flow direction of natural drainage in a direction from the second end wall 324 toward the first end wall 323.
In some optional embodiments, the water receiving device 3 further includes: a second water discharge nozzle 35, wherein the second water discharge nozzle 35 is disposed on the second end wall 324 of the water discharge surface 325, and the second water discharge nozzle 35 is used as an outlet for water discharged by a water pump, so that condensed water is prevented from being accumulated in the water receiving device 3 for a long time.
In some alternative embodiments, fig. 7 is a cross-sectional view of an evaporator and water receiving device connection structure according to an exemplary embodiment, as shown in fig. 7, a water collecting groove 33 is provided between the protrusion 311 and the second side wall 322 of the drainage surface 325, and the water collecting groove 33 is located at a middle position between the protrusion 311 and the second side wall 322 of the drainage surface 325.
Set up water catch bowl 33 between arch 311 and second lateral wall 322, can be better with the comdenstion water condense in water catch bowl 33, the practical water pump drainage of being convenient for avoids the comdenstion water to gather for a long time in water collector 3, to arch 311 causes the erosion, influences arch 311's life.
In some alternative embodiments, after the air supply system 2 supplies air, the first sidewall 321 and the drainage surface 325 are connected by an involute transition section, so as to avoid the turbulence and noise problems when a right-angle connection is used.
Fig. 8 is a partially enlarged sectional view of the evaporator-water receiving device connecting structure according to an exemplary embodiment, and as shown in fig. 8, the second side wall 322 of the water collecting surface has a height h.
In some optional embodiments, the base circle diameter may also be determined according to a height h of the second side wall 322 of the water receiving device, where the base circle diameter is required to be in a range of 0.5 × h or more and 1.5 × h or less, where h is greater than or equal to 15mm and 25mm or less.
In some alternative embodiments, if h is 20mm, the base circle diameter ranges from 10mm or more to 30mm or less.
In some alternative embodiments, if h is 20mm, the base circle diameter may be 25 mm.
In some optional embodiments, as shown in fig. 8, the bottom of the sharp corner 11 of the evaporator fin 1 is away from the waterproof layer 31 by a size e, where a value of e is greater than or equal to 3mm and less than or equal to 5mm, so as to prevent the sharp corner 11 of the evaporator fin 1 from puncturing the waterproof layer 31 of the water receiving device 3.
In some optional embodiments, the length L of the equilateral triangle is e +10mm, that is, L is greater than or equal to 13mm and less than or equal to 15mm, and the length of the contact surface between the evaporator fin 1 and the protrusion 311 can be effectively ensured without increasing the blocking surface of the evaporator, so as to ensure that the air volume and the air resistance are not affected.
If the value of L is too large, the heat exchange area is reduced, and the cooling and heating capacity of the indoor unit of the air conditioner is affected, but if the value of L3 is too small, the evaporator fin cannot be supported, and the problem of water leakage caused by the fact that the waterproof layer 31 is scratched by the sharp corner 11 cannot be effectively solved.
In some alternative embodiments, as shown in fig. 8, if the bottom surface of the protrusion 311 is a distance b from the bottom surface of the water collector 3, and the bottom surface of the water collecting tank is a distance c from the bottom surface of the water collector, then b is 2-5mm larger than c, within this range, the water collector will have relatively good drainage performance, and the performance of the air conditioning indoor unit can be not affected.
The larger the height difference is, the faster the water collecting tank 33 drains water, so that the phenomenon of blowing water by the condenser is avoided.
In the embodiment of the invention, the first water discharging nozzle 34 and the second water discharging nozzle 35 are arranged at two ends of the water receiving device, the water discharging surface 325 is arranged in an inclined direction, the heights of different cross sections are different, when an air conditioning indoor unit refrigerates, condensed water generated by an evaporator can flow from high to low after being gathered in the water receiving device, and the condensed water flows out of the water discharging device through the first water discharging nozzle 34 by adopting a natural water discharging method.
Of course, the function of the water pump can be adopted according to the needs of customers, so that the condensed water is discharged from the second water discharging nozzle 35.
In order to make the condensed water more concentrated, the water collecting groove 33 is provided, so that the condensed water can be more conveniently discharged out of the water receiving device 3.
The embodiment of the invention enables the compressor to be more conveniently replaced, and avoids the verticality deviation between the compressor bolt and the water receiving device 3.
According to a second aspect of an embodiment of the present invention, there is provided an air conditioning indoor unit having the above-mentioned water receiving device 3.
The present invention is not limited to the structures that have been described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (10)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810587520.5A CN108800515B (en) | 2018-06-06 | 2018-06-06 | Water receiving device and air conditioner indoor unit with same |
| PCT/CN2018/111354 WO2019233016A1 (en) | 2018-06-06 | 2018-10-23 | Water collection apparatus and indoor unit of air conditioner having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810587520.5A CN108800515B (en) | 2018-06-06 | 2018-06-06 | Water receiving device and air conditioner indoor unit with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108800515A CN108800515A (en) | 2018-11-13 |
| CN108800515B true CN108800515B (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810587520.5A Active CN108800515B (en) | 2018-06-06 | 2018-06-06 | Water receiving device and air conditioner indoor unit with same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108800515B (en) |
| WO (1) | WO2019233016A1 (en) |
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| JPH09303816A (en) * | 1996-05-10 | 1997-11-28 | Daikin Ind Ltd | Indoor unit for air conditioner |
| CN2375908Y (en) * | 1999-05-17 | 2000-04-26 | 刘宗源 | Condensed water plate without storing water |
| CN1548847A (en) * | 2003-05-20 | 2004-11-24 | 乐金电子(天津)电器有限公司 | Water recepting tank structure for air conditioner |
| JP2008202860A (en) * | 2007-02-20 | 2008-09-04 | Hitachi Appliances Inc | Indoor unit of air conditioner, air conditioner, and drain water treatment method for indoor unit of air conditioner |
| CN201273673Y (en) * | 2008-09-18 | 2009-07-15 | 广东美的电器股份有限公司 | Installation construction for air-conditioner evaporator |
| CN201779824U (en) * | 2010-07-30 | 2011-03-30 | 青岛海信日立空调系统有限公司 | Water pan and wind pipe type air conditioner indoor unit adopting same |
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| CN202166131U (en) * | 2011-07-29 | 2012-03-14 | 珠海格力电器股份有限公司 | air conditioner |
| JP5606419B2 (en) * | 2011-09-30 | 2014-10-15 | 三菱電機株式会社 | Air conditioner |
| CN203869287U (en) * | 2014-04-30 | 2014-10-08 | 广东美的制冷设备有限公司 | Evaporator component and indoor unit of air conditioner |
| CN204718076U (en) * | 2015-02-14 | 2015-10-21 | 宁波奥克斯空调有限公司 | A kind of air conditioning evaporator water-containing plate structure |
| CN205279403U (en) * | 2015-11-30 | 2016-06-01 | 广东美的制冷设备有限公司 | Machine in heat exchanger subassembly and air conditioning |
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| CN206094505U (en) * | 2016-09-28 | 2017-04-12 | Tcl空调器(中山)有限公司 | Water collector and air conditioner |
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| CN207422363U (en) * | 2017-07-31 | 2018-05-29 | 宁波奥克斯电气股份有限公司 | A kind of air-cooled ducted air conditioner |
| CN207179970U (en) * | 2017-09-15 | 2018-04-03 | 珠海格力电器股份有限公司 | Air conditioner water collector and air conditioning unit |
| CN207335121U (en) * | 2017-09-19 | 2018-05-08 | Tcl空调器(中山)有限公司 | A water tray structure and its embedded air conditioner |
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2018
- 2018-06-06 CN CN201810587520.5A patent/CN108800515B/en active Active
- 2018-10-23 WO PCT/CN2018/111354 patent/WO2019233016A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019233016A1 (en) | 2019-12-12 |
| CN108800515A (en) | 2018-11-13 |
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Effective date of registration: 20210511 Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER AIR-CONDITIONING ELECTRONIC Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER AIR-CONDITIONING ELECTRONIC Co.,Ltd. |
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