CN204177010U - Refrigerator - Google Patents
Refrigerator Download PDFInfo
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- CN204177010U CN204177010U CN201420596169.3U CN201420596169U CN204177010U CN 204177010 U CN204177010 U CN 204177010U CN 201420596169 U CN201420596169 U CN 201420596169U CN 204177010 U CN204177010 U CN 204177010U
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Abstract
The utility model discloses a kind of refrigerator, comprise: casing, refrigerating chamber door body, compressor, condenser, restricting element, refrigerating evaporator and the first transfer valve, casing has refrigerating chamber, refrigerating chamber, is provided with refrigeration evaporator in refrigerating chamber, is provided with refrigerating evaporator in refrigerating chamber; Compressor is provided with exhaust outlet and gas returning port, and the first end of refrigeration evaporator is connected with gas returning port; The first end of refrigerating evaporator is connected with the outlet of restricting element; First transfer valve comprises the first entrance, the first outlet and the second outlet, first entrance and first export and second export in one of them conducting, first entrance is connected with the second end of refrigerating evaporator, and the first outlet is connected with the second end of refrigeration evaporator, and the second outlet is connected with gas returning port.According to refrigerator of the present utility model, the temperature of each room can regulate and control separately, and refrigerating efficiency is high, and energy consumption is low.
Description
Technical field
The utility model relates to field of household appliances, particularly a kind of refrigerator.
Background technology
Each room of tradition computer refrigerator can temperature control separately, and have the functions such as fast cold, quick-frozen, but refrigerating efficiency is low, energy consumption is high.The mechanical refrigeration for refrigerator efficiency of tradition is high, energy consumption is low, but each compartment temperature can not regulate and control separately, and without other functions.
Utility model content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the purpose of this utility model is to propose a kind of refrigerator, and the temperature of this refrigerator each room can regulate and control separately, and refrigerating efficiency is high, and energy consumption is low.
According to refrigerator of the present utility model, comprising: casing, described casing has refrigerating chamber, refrigerating chamber and compressor bin, is provided with refrigeration evaporator in described refrigerating chamber, is provided with refrigerating evaporator in described refrigerating chamber; Refrigerating chamber door body, described refrigerating chamber door body is located on described casing and is used to open or close described refrigerating chamber; Compressor, described compressor is located in described compressor bin, and described compressor is provided with exhaust outlet and gas returning port, and the first end of described refrigeration evaporator is connected with described gas returning port; Condenser, the entrance of described condenser is connected with described exhaust outlet; Restricting element, the entrance of described restricting element is connected with the outlet of described condenser; Refrigerating evaporator, the first end of described refrigerating evaporator is connected with the outlet of described restricting element; First transfer valve, described first transfer valve comprises the first entrance, the first outlet and the second outlet, described first entrance and described first export and second export in one of them conducting, described first entrance is connected with the second end of described refrigerating evaporator, described first outlet is connected with the second end of described refrigeration evaporator, and described second outlet is connected with described gas returning port.
According to refrigerator of the present utility model, the temperature of each room can regulate and control separately, and refrigerating efficiency is high, and energy consumption is low.
In addition, following additional technical characteristic can also be had according to refrigerator of the present utility model:
According to an embodiment of the present utility model, also temperature-changing chamber is limited in described casing, alternating temperature evaporimeter is provided with in described temperature-changing chamber, described alternating temperature evaporator series is between the first end and described gas returning port of described refrigeration evaporator, described first transfer valve also comprises the 3rd outlet, described first entrance and described first exports, described second export and the described 3rd export in one of them conducting, described 3rd outlet be connected between described alternating temperature evaporimeter and described refrigeration evaporator.
According to an embodiment of the present utility model, described refrigerator also comprises the second transfer valve, described second transfer valve comprises the second entrance, the 4th outlet and the 5th outlet, described second entrance is connected with the first end of described refrigeration evaporator, described 4th outlet is connected with the entrance of described alternating temperature evaporimeter, described 5th outlet is connected with described gas returning port, and the described 3rd exports and be connected between described alternating temperature evaporimeter and the described 4th exports.
According to an embodiment of the present utility model, described refrigerator also comprises return-air heat exchanger, described return-air heat exchanger comprises first-class circulation passage and second circulation passage, the two ends of described first-class circulation passage are connected with the first end of described refrigerating evaporator with the outlet of described restricting element respectively, and the two ends of described second circulation passage are connected with the first end of described gas returning port with described refrigeration evaporator respectively.
According to an embodiment of the present utility model, described refrigerator also comprises dew eliminating tube, and described dew eliminating tube is located on the inwall of described refrigerating chamber door body, and described dew eliminating tube is connected between the outlet of described condenser and the entrance of described restricting element.
According to an embodiment of the present utility model, described refrigerator also comprises device for drying and filtering, and described device for drying and filtering is connected between the outlet of described condenser and the entrance of described restricting element.
According to an embodiment of the present utility model, described restricting element is capillary.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the schematic diagram of the refrigeration system of refrigerator according to the utility model embodiment;
Fig. 2 is the schematic diagram of the refrigeration system of refrigerator according to another embodiment of the utility model;
Fig. 3 is the schematic diagram of the refrigeration system of refrigerator according to another embodiment of the utility model.
Reference numeral: refrigerating evaporator 1, refrigeration evaporator 2, alternating temperature evaporimeter 3, compressor 4, condenser 5, restricting element 6, return-air heat exchanger 7, dew eliminating tube 8, device for drying and filtering 9, first transfer valve 80, second transfer valve 90, the first end 11 of refrigerating evaporator 1, second end 12 of refrigerating evaporator 1, the first end 21 of refrigeration evaporator 2, second end 22 of refrigeration evaporator 2, gas returning port 41, exhaust outlet 42, first-class circulation passage 71, second circulation passage 72, first entrance 81, first outlet 82, second outlet 83, 3rd outlet 84, second entrance 91, 4th outlet 92, 5th outlet 93.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
1 to Fig. 3 is described in detail according to the refrigerator of the utility model embodiment with reference to the accompanying drawings.
According to the refrigerator of the utility model embodiment, can comprise: casing, refrigerating chamber door body, compressor 4, condenser 5, restricting element 6, refrigerating evaporator 1 and the first transfer valve 80.
Wherein, casing has refrigerating chamber, refrigerating chamber and compressor bin, is provided with refrigeration evaporator 2 in refrigerating chamber, is provided with refrigerating evaporator 1 in refrigerating chamber.The refrigerating capacity of refrigerating evaporator 1 is greater than the refrigerating capacity of refrigeration evaporator 2, those of ordinary skill in the art can be realized by known means, and such as, size by increasing refrigerating evaporator 1 makes its size being greater than refrigeration evaporator 2 and improves the heat exchange environment etc. of refrigerating chamber.
Refrigerating chamber door body is located on casing and is used to open or close refrigerating chamber.Compressor 4 is located in compressor bin, and compressor bin is generally placed in the rear side of freezing compartment.Compressor 4 is provided with exhaust outlet 42 and gas returning port 41, and the first end 21 of refrigeration evaporator 2 is connected with gas returning port 41.
The cold-producing medium of vaporization enters in compressor 4 via the first end 21 of refrigeration evaporator 2 and the gas returning port 41 of compressor 4, and the refrigerant compression of vaporization is become the gas of HTHP by compressor 4, then discharges from the exhaust outlet 42 of compressor 4.
As shown in Figure 1 to Figure 3, the entrance of condenser 5 is connected with exhaust outlet 42, and the gaseous refrigerant of HTHP flows through condenser 5, in the process to outdoor heat radiation, is condensed into the liquid of high pressure gradually.
As shown in Figure 1 to Figure 3, the entrance of restricting element 6 is connected with the outlet of condenser 5, and the liquid refrigerant of high pressure flows through the rear pressure reduction of restricting element 6 and becomes gas-liquid mixture.
As shown in Figure 1 to Figure 3, the first end 11 of refrigerating evaporator 1 is connected with the outlet of restricting element 6.The cold-producing medium reduced via pressure after restricting element 6 enters into refrigerating evaporator 1, and the heat of absorption refrigerating indoor is constantly vaporized.
With reference to shown in Fig. 1, the first transfer valve 80 comprises the first entrance 81, first and exports 82 and second outlet 83, first entrance 81 and first export 82 and second and export one of them conducting in 83.First entrance 81 is connected with the second end 12 of refrigerating evaporator 1, and the first outlet 82 is connected with the second end 22 of refrigeration evaporator 2, and the second outlet 83 is connected with gas returning port 41.
That is, when the first entrance 81 and first exports 82 conducting, because the first outlet 82 is connected with the second end 22 of refrigeration evaporator 2, the cold-producing medium flowing through refrigerating evaporator 1 enters in refrigeration evaporator 2 through the second end 22 of the first entrance 81, first outlet 82 and refrigeration evaporator 2, vaporize further after absorbing the heat in refrigerating chamber, to refrigerating chamber and refrigerating chamber refrigeration, then enter in compressor 4 via the first end 21 of refrigeration evaporator 2 and gas returning port 41.
When the first entrance 81 and second exports 83 conducting, the cold-producing medium flowing through refrigerating evaporator 1 through the first entrance 81, second export 83 and gas returning port 41 enter in compressor 4.In other words, cold-producing medium, without refrigeration evaporator 2, can not absorb the heat in refrigerating chamber, not to refrigeration chamber.
Thus, both can realize the function that the temperature of refrigerating chamber is regulated and controled separately, the refrigerating efficiency of refrigerator can be improved again, reduce the power consumption of refrigerator.
Alternatively, as shown in Figure 1, can also limit temperature-changing chamber in casing, be provided with alternating temperature evaporimeter 3 in temperature-changing chamber, alternating temperature evaporimeter 3 is connected between the first end 21 of refrigeration evaporator 2 and gas returning port 41.First transfer valve 80 can also comprise the 3rd outlet 84, first entrance 81 and first and export 82, second and export 83 and the 3rd and export one of them conducting in 84, and the 3rd exports 84 is connected between alternating temperature evaporimeter 3 and refrigeration evaporator 2.
When the first entrance 81 and first exports 82 conducting, the cold-producing medium flowing through refrigerating evaporator 1 exports 82 through the first entrance 81, first, enter into compressor 4 after the first end 21 of the second end 22 of refrigeration evaporator 2, refrigeration evaporator 2, refrigeration evaporator 2, alternating temperature evaporimeter 3, gas returning port 41.That is, flow of refrigerant is through refrigerating evaporator 1, refrigeration evaporator 2 and alternating temperature evaporimeter 3, and the heat in absorption refrigerating room, refrigerating chamber and temperature-changing chamber, freezes to refrigerating chamber, refrigerating chamber and temperature-changing chamber.
When the first entrance 81 and second exports 83 conducting, the cold-producing medium flowing through refrigerating evaporator 1 via the first entrance 81, second export 83 and gas returning port 41 enter in compressor 4.In other words, cold-producing medium directly enters into compressor 4 after by refrigerating evaporator 1, can not to refrigerating chamber and temperature-changing chamber refrigeration.
When the first entrance 81 and the 3rd exports 84 conducting, because the 3rd outlet 84 is placed between refrigeration evaporator 2 and alternating temperature evaporimeter 3, so the cold-producing medium flowing through refrigerating evaporator 1 enters in compressor 4 via after the first entrance 81, the 3rd outlet 84, alternating temperature evaporimeter 3 and gas returning port 41.That is, cold-producing medium is only by refrigerating chamber and temperature-changing chamber, and to refrigerating chamber and temperature-changing chamber refrigeration, cold-producing medium can not pass through refrigerating chamber, can not to refrigeration chamber.
Thus, the function that the temperature of alternating temperature evaporimeter 3 and refrigeration evaporator 2 is regulated and controled separately can be realized, improve the refrigerating efficiency of refrigerator, reduce refrigerator power consumption.
Preferably, as shown in Figure 3, the second transfer valve 90 can also be comprised according to the refrigerator of the utility model embodiment, second transfer valve 90 comprises the second entrance 91, the 4th outlet 92 and the 5th outlet 93, second entrance 91 is connected with the first end 21 of refrigeration evaporator 2,4th outlet 92 is connected with the entrance of alternating temperature evaporimeter 3, and the 5th outlet 93 is connected with gas returning port 41, and the 3rd outlet 84 is connected to alternating temperature evaporimeter 3 and the 4th and exports between 92.Thus, the second transfer valve 90 of increase can regulate the temperature in temperature-changing chamber better.
When the first entrance 81 and first exports 82 conducting, after flowing through the first end 21 of second end 22 of cold-producing medium through the first entrance 81, first outlet 82, refrigeration evaporator 2 of refrigerating evaporator 1, refrigeration evaporator 2, refrigeration evaporator 2, because the second entrance 91 of the second transfer valve 90 is connected with the first end 21 of refrigeration evaporator 2,4th outlet 92 is connected with the entrance of alternating temperature evaporimeter 3,5th outlet 93 is connected with gas returning port 41, therefore can pass through adjustment second transfer valve 90, select cold-producing medium whether to flow through alternating temperature evaporimeter 3.When the second entrance 91 and the 4th export 92 be communicated with time, flow of refrigerant is through alternating temperature evaporimeter 3, and cold-producing medium by refrigerating chamber, refrigerating chamber and temperature-changing chamber, freezes to refrigerating chamber, refrigerating chamber and temperature-changing chamber.When the second entrance 91 and the 5th export 93 be communicated with time, cold-producing medium can not flow through alternating temperature evaporimeter 3, and cold-producing medium, by refrigerating chamber and refrigerating chamber, to refrigerating chamber and refrigeration chamber, does not freeze to temperature-changing chamber.Thus, realize regulating and controlling separately the temperature in temperature-changing chamber.
When the first entrance 81 and second exports 83 conducting, because the cold-producing medium flowing through refrigerating evaporator 1 directly enters in compressor 4 via the first entrance 81, second outlet 83 and gas returning port 41, whether regulate the second transfer valve 90 can not impact the flow direction of cold-producing medium.In other words, cold-producing medium directly enters into compressor 4 after by refrigerating evaporator 1, can not to refrigerating chamber and temperature-changing chamber refrigeration.
When the first entrance 81 and the 3rd exports 84 conducting, export between 92 because the 3rd outlet 84 is connected to alternating temperature evaporimeter 3 and the 4th, whether so regulate the second transfer valve 90 can not cause change to the flow direction of cold-producing medium, the cold-producing medium flowing through refrigerating evaporator 1 enters in compressor 4 via after the first entrance 81, the 3rd outlet 84, alternating temperature evaporimeter 3 and gas returning port 41.That is, cold-producing medium is by refrigerating chamber and temperature-changing chamber, and to refrigerating chamber and temperature-changing chamber refrigeration, cold-producing medium can not pass through refrigerating chamber, can not to refrigeration chamber.Thus, achieve to regulate and control separately the temperature in refrigerating chamber.
According to the refrigerator of the utility model embodiment, can switch different refrigeration routes, reasonable distribution refrigeration resource, effectively raises refrigerating efficiency, can also save energy consumption simultaneously.
In embodiments more of the present utility model, as shown in Figure 1 to Figure 3, refrigerator can also comprise return-air heat exchanger 7, return-air heat exchanger 7 comprises first-class circulation passage 71 and second circulation passage 72, the two ends of first-class circulation passage 71 are connected with the first end 11 of refrigerating evaporator 1 with the outlet of restricting element 6 respectively, and the two ends of second circulation passage 72 are connected with the first end 21 of refrigeration evaporator 2 with gas returning port 41 respectively.Need to be described, in description of the present utility model, " connection " can be directly be connected, and also indirectly can be connected by intermediary.In the example of fig. 1, when refrigerator is not provided with temperature-changing chamber, one end of second circulation passage 72 is connected directly to the first end of refrigeration evaporator 2, in the example of Fig. 2 and Fig. 3, when refrigerator is provided with temperature-changing chamber, one end of second circulation passage 72 is connected directly to alternating temperature evaporimeter 3.
Thus, the cold-producing medium flowing to refrigerating evaporator 1 from restricting element 6 can carry out heat exchange with the cold-producing medium flowing to compressor 4 from refrigeration evaporator 2 or alternating temperature evaporimeter 3 in return-air heat exchanger 7, the temperature of the cold-producing medium of refrigerating evaporator 1 is flowed to after return-air heat exchanger 7 from restricting element 6, temperature reduces further, and then improve the refrigerating efficiency of refrigerator, save the energy consumption of refrigerator.
In examples more of the present utility model, as shown in Figure 1 to Figure 3, refrigerator can also comprise dew eliminating tube 8, and dew eliminating tube 8 is located on the inwall of refrigerating chamber door body, and dew eliminating tube 8 is connected between the outlet of condenser 5 and the entrance of restricting element 6.Thus, to utilize in condenser 5 cold-producing medium of higher temperature out to flow through dew eliminating tube 8, prevent the edge of refrigerating chamber door body because of in refrigerating chamber and refrigerating chamber outer between excessive temperature differentials and the dew condensation phenomenon that produces.
In some examples of utility model, as shown in Figure 1 to Figure 3, refrigerator can also comprise device for drying and filtering 9, and device for drying and filtering 9 is connected between the outlet of condenser 5 and the entrance of restricting element 6.Device for drying and filtering 9 can moisture in absorbing refrigeration system, and prevent ice and block up, also play a role in filtering, prevent impurity, mince etc. enters capillary and cause blocking simultaneously.
In concrete example of the present utility model, restricting element 6 can be capillary.Thus, reduce the pressure of the cold-producing medium flowed out from condenser 5, and effectively can control the flow of cold-producing medium.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (7)
1. a refrigerator, is characterized in that, comprising:
Casing, described casing has refrigerating chamber, refrigerating chamber and compressor bin, is provided with refrigeration evaporator in described refrigerating chamber, is provided with refrigerating evaporator in described refrigerating chamber;
Refrigerating chamber door body, described refrigerating chamber door body is located on described casing and is used to open or close described refrigerating chamber;
Compressor, described compressor is located in described compressor bin, and described compressor is provided with exhaust outlet and gas returning port, and the first end of described refrigeration evaporator is connected with described gas returning port;
Condenser, the entrance of described condenser is connected with described exhaust outlet;
Restricting element, the entrance of described restricting element is connected with the outlet of described condenser;
Refrigerating evaporator, the first end of described refrigerating evaporator is connected with the outlet of described restricting element;
First transfer valve, described first transfer valve comprises the first entrance, the first outlet and the second outlet, described first entrance and described first export and second export in one of them conducting, described first entrance is connected with the second end of described refrigerating evaporator, described first outlet is connected with the second end of described refrigeration evaporator, and described second outlet is connected with described gas returning port.
2. refrigerator according to claim 1, it is characterized in that, also temperature-changing chamber is limited in described casing, alternating temperature evaporimeter is provided with in described temperature-changing chamber, described alternating temperature evaporator series is between the first end and described gas returning port of described refrigeration evaporator, described first transfer valve also comprises the 3rd outlet, described first entrance and described first exports, described second export and the described 3rd export in one of them conducting, described 3rd outlet be connected between described alternating temperature evaporimeter and described refrigeration evaporator.
3. refrigerator according to claim 2, it is characterized in that, also comprise the second transfer valve, described second transfer valve comprises the second entrance, the 4th outlet and the 5th outlet, described second entrance is connected with the first end of described refrigeration evaporator, described 4th outlet is connected with the entrance of described alternating temperature evaporimeter, and described 5th outlet is connected with described gas returning port, and the described 3rd exports and be connected between described alternating temperature evaporimeter and the described 4th exports.
4. refrigerator according to claim 1, it is characterized in that, also comprise return-air heat exchanger, described return-air heat exchanger comprises first-class circulation passage and second circulation passage, the two ends of described first-class circulation passage are connected with the first end of described refrigerating evaporator with the outlet of described restricting element respectively, and the two ends of described second circulation passage are connected with the first end of described gas returning port with described refrigeration evaporator respectively.
5. refrigerator according to claim 1, is characterized in that, also comprises dew eliminating tube, and described dew eliminating tube is located on the inwall of described refrigerating chamber door body, and described dew eliminating tube is connected between the outlet of described condenser and the entrance of described restricting element.
6. refrigerator according to claim 1, is characterized in that, also comprises device for drying and filtering, and described device for drying and filtering is connected between the outlet of described condenser and the entrance of described restricting element.
7. refrigerator according to claim 1, is characterized in that, described restricting element is capillary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420596169.3U CN204177010U (en) | 2014-10-15 | 2014-10-15 | Refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420596169.3U CN204177010U (en) | 2014-10-15 | 2014-10-15 | Refrigerator |
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| CN204177010U true CN204177010U (en) | 2015-02-25 |
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| CN201420596169.3U Active CN204177010U (en) | 2014-10-15 | 2014-10-15 | Refrigerator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296454A (en) * | 2014-10-15 | 2015-01-21 | 合肥华凌股份有限公司 | Refrigerator |
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2014
- 2014-10-15 CN CN201420596169.3U patent/CN204177010U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104296454A (en) * | 2014-10-15 | 2015-01-21 | 合肥华凌股份有限公司 | Refrigerator |
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