CN109696010A - Refrigeration air-supply assembly and side by side combination refrigerator - Google Patents
Refrigeration air-supply assembly and side by side combination refrigerator Download PDFInfo
- Publication number
- CN109696010A CN109696010A CN201810136706.9A CN201810136706A CN109696010A CN 109696010 A CN109696010 A CN 109696010A CN 201810136706 A CN201810136706 A CN 201810136706A CN 109696010 A CN109696010 A CN 109696010A
- Authority
- CN
- China
- Prior art keywords
- refrigeration
- air
- freezing
- thermal insulator
- central sill
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
- F25D17/065—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators with compartments at different temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
- F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
- F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
- F25D2317/0665—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply from the top
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
Present invention discloses a kind of refrigeration air-supply assemblies, it is applied to side by side combination refrigerator, the side by side combination refrigerator includes the freezing chamber and refrigerating chamber, freezing blower, fan supporter, evaporator, foaming box body, freezing and refrigeration central sill of left and right side by side, the refrigeration air-supply assembly further comprises: refrigeration air supply damper, and the refrigeration air supply damper is set in the freezing chamber close to the position of the freezing blower；Supply air duct is refrigerated, both ends are respectively communicated with the freezing chamber and the refrigerating chamber, the first segment including first extending horizontally and to freezing and refrigeration central sill upper section, and the second segment extended along freezing and refrigeration central sill to lower section；Air door thermal insulator is coated on the outside of the refrigeration air supply damper；Central sill air duct thermal insulator is coated on the refrigeration supply air duct first segment.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, are related to a kind of refrigerator, especially a kind of refrigeration with pre-assembly
The side by side combination refrigerator of air-supply assembly.
Background technique
The single system side by side combination refrigerator refrigerating chamber air supply damper of the prior art is typically all to be mounted on cooling compartment, in order to
Guarantee air door sealing and refrigerating chamber air-supply effect, refrigerating chamber top be provided with refrigeration supply air duct, is provided with air door in air duct,
Control is entered the air output of refrigerating chamber by evaporator, to realize the control of temperature of refrigerating chamber.
Fig. 1 show a kind of cross-sectional view in side by side combination refrigerator air duct of the prior art.As shown, this side by side combination refrigerator
Freezing chamber a and refrigerating chamber b or so be arranged side by side, further comprising: refrigerated liner 1, blower cover board 2, freezing blower 3, wind
Machine support 4, evaporator 5, central sill foam 6, refrigeration air door 7, refrigeration air duct foam 8, refrigeration air duct cover board 9, foaming box body 10.Its
In, the refrigeration air door 7 is set in refrigerating chamber b.
Fig. 2 show the cross-sectional view of the side by side combination refrigerator of Fig. 1 prior art.As shown, being steamed during refrigerator work
It sends out device 5 to freeze, freezing blower 3 works, and freezing blower 3 send the air after refrigeration by blower cover board 2 and central sill foam 6 respectively
Enter freezing chamber a and refrigerating chamber b.The air-supply entrance of refrigerating chamber b is provided with refrigeration supply air duct, refrigerates supply air duct by refrigeration wind
Door 7, refrigeration air duct foam 8 and refrigeration air duct cover board 9 form.When refrigerating chamber needs to freeze, refrigeration air door 7 is opened, cold air
Enter refrigerating chamber by refrigeration air duct foam 8 and refrigeration air duct cover board 9, freezes to refrigerating chamber；When refrigerating chamber does not need to make
When cold, refrigeration air door 7 is closed, and cold air cannot be introduced into cooling compartment.
(it is lower than 10 since the air themperature for entering refrigerating chamber from evaporator is relatively low in this refrigerator air duct of the prior art
Degree Celsius), in order to avoid there is dew condensation phenomenon in refrigerating chamber air duct, refrigeration supply air duct can it is internal can using polystyrene foam into
Row is heat-insulated, causes the size for refrigerating supply air duct bigger, refrigerator cold-storage chamber interior dischargeable capacity is made to reduce 10L or more, cannot
Meet requirement of the user for refrigerator cold-storage chamber vol.
Fig. 3 show air circulation schematic diagram in the process of refrigerastion of Fig. 1 prior art.As shown, in refrigeration mistake
Cheng Zhong, by the cold air of evaporator by freezing blower, a part of wind is directly blown into a inside freezing chamber, and another part wind is logical
Refrigeration air door is crossed, central sill foam is then passed through, is sent into inside refrigerating chamber b using refrigeration air duct.Into freezing chamber a and refrigerating chamber
After the air of b freezes to food, base of evaporator is reached by refrigeration return air and freezing return air, is circuited sequentially.
In the prior art, it does not need to freeze in refrigerating chamber b, in the case of refrigeration air door is closed, once there is refrigeration air duct
Foam docks under bad or gasket deformation, and cold air can be leaked out into refrigerating chamber b by the air duct B, lead to refrigerating chamber
Temperature is too low, causes food in refrigerating chamber b freezing.
In conclusion how to expand refrigerating chamber available capacity as far as possible, and cooling gas leakage is effectively avoided to become refrigerator knot
Structure design field technical staff's urgent problem to be solved.
Summary of the invention
To solve the above problems, the present invention provides a kind of refrigeration air-supply assembly and side by side combination refrigerator, refrigeration can be expanded
Room available capacity, and effectively avoid cooling leakage.
To achieve the above object, an embodiment of the present invention provides a kind of refrigeration air-supply assembly, is applied to clamshell doors ice
Case, the side by side combination refrigerator include the freezing chamber and refrigerating chamber, freezing blower, fan supporter, evaporator, foam box of left and right side by side
Body, freezing and refrigeration central sill, the refrigeration air-supply assembly further comprises: refrigeration air supply damper, the refrigeration air supply damper setting
In in the freezing chamber close to it is described freezing blower position；Supply air duct is refrigerated, both ends are respectively communicated with the freezing chamber
And the refrigerating chamber, the first segment including first extending horizontally and to freezing and refrigeration central sill upper section, and it is cold along freezing
The second segment that hiding central sill extends to lower section；Air door thermal insulator is coated on the outside of the refrigeration air supply damper；Central sill air duct is heat-insulated
Part is coated on the refrigeration supply air duct first segment.
As the further improvement of an embodiment of the present invention, the side by side combination refrigerator further includes bracket claw, passes through institute
It states air door thermal insulator and the bracket claw refrigeration air supply damper is fixed on the fan supporter.
As the further improvement of an embodiment of the present invention, the fan supporter, freezing blower, refrigeration air supply damper,
Air door thermal insulator, central sill air duct thermal insulator are pre-assembled to the refrigeration air-supply assembly.
As the further improvement of an embodiment of the present invention, the air door thermal insulator and central sill air duct thermal insulator are poly-
Styrenic foams.
As the further improvement of an embodiment of the present invention, the thickness of the air door thermal insulator and central sill air duct thermal insulator
Degree is in the range of 15mm to 25mm.
As the further improvement of an embodiment of the present invention, the thickness of the air door thermal insulator and central sill air duct thermal insulator
Degree is 20mm.
As the further improvement of an embodiment of the present invention, the air door thermal insulator and central sill air duct thermal insulator are it
The plastics of his type.
As the further improvement of an embodiment of the present invention, the plastics thermal insulator or advanced composite material (ACM) thermal insulator
On be provided with heater strip or vacuum insulation panel.
As the further improvement of an embodiment of the present invention, the second segment of the refrigeration supply air duct and the freezing are cold
The length ratio of central sill is hidden between 0.2 to 0.9.
An embodiment of the present invention also provides a kind of side by side combination refrigerator comprising controls freezing chamber side by side and refrigeration
Room, freezing blower, fan supporter, evaporator, foaming box body, and refrigeration air-supply assembly as described above.
Compared with prior art, the present invention can expand refrigerating chamber available capacity, and effectively avoid cooling leakage.
Detailed description of the invention
Fig. 1 show a kind of cross-sectional view in side by side combination refrigerator air duct of the prior art；
Fig. 2 show the cross-sectional view of the side by side combination refrigerator of Fig. 1 prior art；
Fig. 3 show air circulation schematic diagram in the process of refrigerastion of Fig. 1 prior art；
Fig. 4 show the cross-sectional view in the side by side combination refrigerator air duct of an embodiment of the present invention；
Fig. 5 show the cross-sectional view of the side by side combination refrigerator of Fig. 4 embodiment；
Fig. 6 show air circulation schematic diagram in the process of refrigerastion of Fig. 4 embodiment.
Specific embodiment
Below with reference to specific embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously
The present invention is not limited, structure that those skilled in the art are made according to these embodiments, method or functionally
Transformation is included within the scope of protection of the present invention.
It is to be appreciated that unless otherwise clearly defined and limited, in the description of the present invention, term " center " " is indulged
To ", " transverse direction ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" etc.
The orientation or positional relationship of instruction is to be merely for convenience of retouching determined by visual angle for the door body side for facing refrigerator based on user
It states the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation.In addition, term " first ", " second " etc. are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance.
Please refer to the cross-sectional view in the side by side combination refrigerator air duct that Fig. 3 is an embodiment of the present invention.As shown, this split
The left and right freezing chamber a ' and refrigerating chamber b ' of door refrigerator is arranged side by side, further comprising: refrigerated liner 1 ', fan supporter 2 ', cold
Freeze blower 3 ', evaporator 4 ', refrigeration air supply damper 5 ', air door thermal insulator 6 ', refrigeration liner 7 ', central sill air-supply thermal insulator 8 ', cold
Hide air duct 9 ', foaming box body 10 '.
In order to avoid refrigeration air duct occupies refrigerating chamber dischargeable capacity, present invention eliminates refrigerating chamber is arranged in the prior art
In refrigeration air door, instead, the setting refrigeration air supply damper in freezing chamber, which is integrated in evaporation
Device top can effectively improve the plot ratio of refrigerating chamber in this way, while refrigeration air supply damper sealing for convenience, send in refrigeration
It is also wrapped on air door thermal insulator on the outside of wind air door, refrigeration air supply damper is fixed on by air door thermal insulator and bracket claw by blower
On bracket.In refrigerator assembling, firstly, fan supporter 2 ', freezing blower 3 ', refrigeration air supply damper 5 ', air door thermal insulator 6 '
It is integrally assembled in advance, forms refrigeration air-supply assembly；Then, directly refrigeration air-supply assembly is installed in freezing chamber.
Further, since refrigeration air supply damper is arranged in freezing chamber, air supply damper is refrigerated in order to prevent and is frozen,
Cover board generally is added in refrigeration air supply damper, and heater strip is installed on the cover board.
Further, indoor refrigeration air-supply passage inner icing is freezed in order to prevent, and air door thermal insulator needs to extend packet
At least partly described refrigeration supply air duct is covered, and has certain insulating thickness.In one embodiment, air door thermal insulator is poly-
Styrenic foams, and thickness is in the range of 15mm to 25mm.Most preferably, polystyrene foam is with a thickness of 20mm or so.
Further, if using the other materials except polystyrene foam, for example, other kinds of plastics.Such as adopt
With other materials, correspondingly, the thickness of thermal insulator can change.
Further, refrigeration air door freezes in order to prevent, and heater strip or vacuum are generally provided in plastics thermal insulator
Thermal insulation board.
Further, refrigeration air duct can only extend horizontally and to central sill upper section, and be drawn by less air outlet
To refrigerating chamber.More preferably, refrigeration air duct include the first segment for first extending horizontally and to central sill upper section, then along central sill to
The second segment of lower extension, and it is drawn out to refrigerating chamber by more air outlets, take this refrigerating efficiency for improving cold compartment of refrigerator.
Fig. 6 is air circulation schematic diagram in the process of refrigerastion of an embodiment of the present invention, and the present invention will refrigerate air supply damper
Setting is internal in freezing chamber a ', additionally it is possible to effectively solve refrigeration air duct existing in the prior art Air Leakage.As shown, working as
When refrigerating chamber b ' needs to freeze, freezing blower work, refrigeration air door is opened, and cold air passes through refrigeration air supply damper 5 ' → wind at this time
Door thermal insulator 6 ' → central sill air duct thermal insulator 8 ' → refrigeration air duct 9 ' enters refrigerating chamber；It is cold when refrigerating chamber b ' does not need refrigeration
It hides air door to close, freezing chamber a ' and refrigeration air supply damper 5 ' can be completely cut through, refrigerating chamber b ' is avoided to leak out.
Further, as shown in fig. 6, being coated with thermal insulator on the outside of refrigeration air duct different location, such as it is coated on refrigeration
Air door thermal insulator on the outside of air supply damper first extends horizontally and to the air duct first segment outer cladding central sill air duct of central sill upper section
Thermal insulator takes this to alleviate refrigerating chamber close to the dew condensation phenomenon of freezing chamber side inner wall.In other embodiments of the invention, also
It can further alleviate cold further along the second segment outer cladding additional insulation part that freezing and refrigeration central sill extends to lower section
Room is hidden close to the dew condensation phenomenon of freezing chamber side inner wall.
Compared with prior art, an embodiment of the present invention side by side combination refrigerator has bigger refrigerating chamber low capacity again, and
It is effectively prevented from cooling gas leakage.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiments of understanding.
Illustrating only for feasible embodiment of the invention is described in detail in those listed above, they are simultaneously
It is non-to limit the scope of the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention or change should all
It is included within protection scope of the present invention.
Claims (10)
- The assembly 1. a kind of refrigeration is blown, is applied to side by side combination refrigerator, the side by side combination refrigerator include left and right freezing chamber side by side and Refrigerating chamber, freezing blower, fan supporter, evaporator, foaming box body, freezing and refrigeration central sill, which is characterized in that the refrigeration air-supply Assembly further comprises:Air supply damper is refrigerated, the refrigeration air supply damper is set in the freezing chamber close to the position of the freezing blower；Supply air duct is refrigerated, both ends are respectively communicated with the freezing chamber and the refrigerating chamber, including first horizontally extending To the first segment of freezing and refrigeration central sill upper section, and the second segment extended along freezing and refrigeration central sill to lower section；Air door thermal insulator is coated on the outside of the refrigeration air supply damper；Central sill air duct thermal insulator is coated on the refrigeration supply air duct first segment.
- The assembly 2. refrigeration according to claim 1 is blown, which is characterized in that the side by side combination refrigerator further includes bracket clamp The refrigeration air supply damper is fixed on the fan supporter by pawl by the air door thermal insulator and the bracket claw.
- The assembly 3. refrigeration according to claim 1 is blown, which is characterized in that the fan supporter, freezing blower, refrigeration are sent Wind air door, air door thermal insulator, central sill air duct thermal insulator are pre-assembled to the refrigeration air-supply assembly.
- The assembly 4. refrigeration according to claim 1 is blown, which is characterized in that the air door thermal insulator and central sill air duct every Warmware is polystyrene foam.
- The assembly 5. refrigeration according to claim 4 is blown, which is characterized in that the air door thermal insulator and central sill air duct every The thickness of warmware is in the range of 15mm to 25mm.
- The assembly 6. refrigeration according to claim 7 is blown, which is characterized in that the air door thermal insulator and central sill air duct every Warmware with a thickness of 20mm.
- The assembly 7. refrigeration according to claim 1 is blown, which is characterized in that the air door thermal insulator and central sill air duct every Warmware is other kinds of plastics.
- The assembly 8. refrigeration according to claim 7 is blown, which is characterized in that the plastics thermal insulator or NEW TYPE OF COMPOSITE material Heater strip or vacuum insulation panel are provided in material thermal insulator.
- The assembly 9. refrigeration according to claim 1 is blown, which is characterized in that the second segment of the refrigeration supply air duct and institute The length ratio of freezing and refrigeration central sill is stated between 0.2 to 0.9.
- 10. a kind of side by side combination refrigerator comprising including left and right freezing chamber side by side and refrigerating chamber, freezing blower, fan supporter, Evaporator, foaming box body, and refrigeration air-supply assembly as in one of claimed in any of claims 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810136706.9A CN109696010B (en) | 2018-02-09 | 2018-02-09 | Cold-stored air supply assembly and side by side combination refrigerator |
| PCT/CN2018/123082 WO2019153913A1 (en) | 2018-02-09 | 2018-12-24 | Refrigerating air supply assembly and side-by-side refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810136706.9A CN109696010B (en) | 2018-02-09 | 2018-02-09 | Cold-stored air supply assembly and side by side combination refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109696010A true CN109696010A (en) | 2019-04-30 |
| CN109696010B CN109696010B (en) | 2020-12-01 |
Family
ID=66229729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810136706.9A Active CN109696010B (en) | 2018-02-09 | 2018-02-09 | Cold-stored air supply assembly and side by side combination refrigerator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109696010B (en) |
| WO (1) | WO2019153913A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578594A (en) * | 2020-05-20 | 2020-08-25 | 长虹美菱股份有限公司 | Cold-stored wind channel and refrigerator |
| CN113915852A (en) * | 2021-01-04 | 2022-01-11 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN113915851A (en) * | 2021-01-04 | 2022-01-11 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN113915853A (en) * | 2021-01-04 | 2022-01-11 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN114001513A (en) * | 2021-11-03 | 2022-02-01 | 重庆海尔制冷电器有限公司 | Refrigeration device |
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| CN206146090U (en) * | 2016-09-22 | 2017-05-03 | 张伟 | Two -sided rotation refrigerator |
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| CN1470829A (en) * | 2002-07-26 | 2004-01-28 | Lg������ʽ���� | Integrated cooling device and refrigerator having same |
| US20050092016A1 (en) * | 2003-10-29 | 2005-05-05 | Jamco Corporation | Air chiller unit |
| CN101413747A (en) * | 2007-10-19 | 2009-04-22 | 苏州三星电子有限公司 | Improved refrigerator with temperature-variable room |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578594A (en) * | 2020-05-20 | 2020-08-25 | 长虹美菱股份有限公司 | Cold-stored wind channel and refrigerator |
| CN113915852A (en) * | 2021-01-04 | 2022-01-11 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN113915851A (en) * | 2021-01-04 | 2022-01-11 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN113915853A (en) * | 2021-01-04 | 2022-01-11 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN113915853B (en) * | 2021-01-04 | 2023-06-30 | 海信冰箱有限公司 | Refrigerator with a refrigerator body |
| CN113915852B (en) * | 2021-01-04 | 2023-07-21 | 海信冰箱有限公司 | Refrigerator with a refrigerator body |
| CN113915851B (en) * | 2021-01-04 | 2023-07-21 | 海信冰箱有限公司 | Refrigerator with a refrigerator body |
| CN114001513A (en) * | 2021-11-03 | 2022-02-01 | 重庆海尔制冷电器有限公司 | Refrigeration device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019153913A1 (en) | 2019-08-15 |
| CN109696010B (en) | 2020-12-01 |
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Address after: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Applicant before: Qingdao Haier Joint Stock Co.,Ltd. |
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